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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge

Browse Source 
Included changes:
- The last batch of patches aimed to clean the batman-adv namespace
- a couple of style fixes
- a fix for the ethtool support
- a fix to prevent sending unicast packets with an uninitialised header
  field

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-07-01 17:56:33 -07:00
parent a59a4d1921 162d549c69
commit e87183c2b5
37 changed files with 2010 additions and 1843 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/batman-adv/Makefile
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@@ -19,11 +19,10 @@
# #
obj-$(CONFIG_BATMAN_ADV) += batman-adv.o obj-$(CONFIG_BATMAN_ADV) += batman-adv.o
batman-adv-y += bat_debugfs.o
batman-adv-y += bat_iv_ogm.o batman-adv-y += bat_iv_ogm.o
batman-adv-y += bat_sysfs.o
batman-adv-y += bitarray.o batman-adv-y += bitarray.o
batman-adv-$(CONFIG_BATMAN_ADV_BLA) += bridge_loop_avoidance.o batman-adv-$(CONFIG_BATMAN_ADV_BLA) += bridge_loop_avoidance.o
batman-adv-y += debugfs.o
batman-adv-y += gateway_client.o batman-adv-y += gateway_client.o
batman-adv-y += gateway_common.o batman-adv-y += gateway_common.o
batman-adv-y += hard-interface.o batman-adv-y += hard-interface.o
@@ -35,6 +34,7 @@ batman-adv-y += ring_buffer.o
batman-adv-y += routing.o batman-adv-y += routing.o
batman-adv-y += send.o batman-adv-y += send.o
batman-adv-y += soft-interface.o batman-adv-y += soft-interface.o
batman-adv-y += sysfs.o
batman-adv-y += translation-table.o batman-adv-y += translation-table.o
batman-adv-y += unicast.o batman-adv-y += unicast.o
batman-adv-y += vis.o batman-adv-y += vis.o

459
net/batman-adv/bat_iv_ogm.c
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File diff suppressed because it is too large Load Diff

6
net/batman-adv/bitarray.c
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@@ -41,7 +41,7 @@ static void batadv_bitmap_shift_left(unsigned long *seq_bits, int32_t n)
int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
int32_t seq_num_diff, int set_mark) int32_t seq_num_diff, int set_mark)
{ {
struct bat_priv *bat_priv = priv; struct batadv_priv *bat_priv = priv;
/* sequence number is slightly older. We already got a sequence number /* sequence number is slightly older. We already got a sequence number
* higher than this one, so we just mark it. * higher than this one, so we just mark it.
@@ -66,7 +66,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
/* sequence number is much newer, probably missed a lot of packets */ /* sequence number is much newer, probably missed a lot of packets */
if (seq_num_diff >= BATADV_TQ_LOCAL_WINDOW_SIZE && if (seq_num_diff >= BATADV_TQ_LOCAL_WINDOW_SIZE &&
seq_num_diff < BATADV_EXPECTED_SEQNO_RANGE) { seq_num_diff < BATADV_EXPECTED_SEQNO_RANGE) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"We missed a lot of packets (%i) !\n", "We missed a lot of packets (%i) !\n",
seq_num_diff - 1); seq_num_diff - 1);
bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
@@ -83,7 +83,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits,
if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE || if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE ||
seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) { seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Other host probably restarted!\n"); "Other host probably restarted!\n");
bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);

302
net/batman-adv/bridge_loop_avoidance.c
View File

@@ -34,8 +34,8 @@
static const uint8_t batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05}; static const uint8_t batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05};
static void batadv_bla_periodic_work(struct work_struct *work); static void batadv_bla_periodic_work(struct work_struct *work);
static void batadv_bla_send_announce(struct bat_priv *bat_priv, static void batadv_bla_send_announce(struct batadv_priv *bat_priv,
struct backbone_gw *backbone_gw); struct batadv_backbone_gw *backbone_gw);
/* return the index of the claim */ /* return the index of the claim */
static inline uint32_t batadv_choose_claim(const void *data, uint32_t size) static inline uint32_t batadv_choose_claim(const void *data, uint32_t size)
@@ -83,7 +83,7 @@ static inline uint32_t batadv_choose_backbone_gw(const void *data,
static int batadv_compare_backbone_gw(const struct hlist_node *node, static int batadv_compare_backbone_gw(const struct hlist_node *node,
const void *data2) const void *data2)
{ {
const void *data1 = container_of(node, struct backbone_gw, const void *data1 = container_of(node, struct batadv_backbone_gw,
hash_entry); hash_entry);
return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0); return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
@@ -93,14 +93,14 @@ static int batadv_compare_backbone_gw(const struct hlist_node *node,
static int batadv_compare_claim(const struct hlist_node *node, static int batadv_compare_claim(const struct hlist_node *node,
const void *data2) const void *data2)
{ {
const void *data1 = container_of(node, struct claim, const void *data1 = container_of(node, struct batadv_claim,
hash_entry); hash_entry);
return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0); return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0);
} }
/* free a backbone gw */ /* free a backbone gw */
static void batadv_backbone_gw_free_ref(struct backbone_gw *backbone_gw) static void batadv_backbone_gw_free_ref(struct batadv_backbone_gw *backbone_gw)
{ {
if (atomic_dec_and_test(&backbone_gw->refcount)) if (atomic_dec_and_test(&backbone_gw->refcount))
kfree_rcu(backbone_gw, rcu); kfree_rcu(backbone_gw, rcu);
@@ -109,16 +109,16 @@ static void batadv_backbone_gw_free_ref(struct backbone_gw *backbone_gw)
/* finally deinitialize the claim */ /* finally deinitialize the claim */
static void batadv_claim_free_rcu(struct rcu_head *rcu) static void batadv_claim_free_rcu(struct rcu_head *rcu)
{ {
struct claim *claim; struct batadv_claim *claim;
claim = container_of(rcu, struct claim, rcu); claim = container_of(rcu, struct batadv_claim, rcu);
batadv_backbone_gw_free_ref(claim->backbone_gw); batadv_backbone_gw_free_ref(claim->backbone_gw);
kfree(claim); kfree(claim);
} }
/* free a claim, call claim_free_rcu if its the last reference */ /* free a claim, call claim_free_rcu if its the last reference */
static void batadv_claim_free_ref(struct claim *claim) static void batadv_claim_free_ref(struct batadv_claim *claim)
{ {
if (atomic_dec_and_test(&claim->refcount)) if (atomic_dec_and_test(&claim->refcount))
call_rcu(&claim->rcu, batadv_claim_free_rcu); call_rcu(&claim->rcu, batadv_claim_free_rcu);
@@ -130,14 +130,14 @@ static void batadv_claim_free_ref(struct claim *claim)
* looks for a claim in the hash, and returns it if found * looks for a claim in the hash, and returns it if found
* or NULL otherwise. * or NULL otherwise.
*/ */
static struct claim *batadv_claim_hash_find(struct bat_priv *bat_priv, static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv,
struct claim *data) struct batadv_claim *data)
{ {
struct hashtable_t *hash = bat_priv->claim_hash; struct batadv_hashtable *hash = bat_priv->claim_hash;
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node; struct hlist_node *node;
struct claim *claim; struct batadv_claim *claim;
struct claim *claim_tmp = NULL; struct batadv_claim *claim_tmp = NULL;
int index; int index;
if (!hash) if (!hash)
@@ -169,14 +169,15 @@ static struct claim *batadv_claim_hash_find(struct bat_priv *bat_priv,
* looks for a claim in the hash, and returns it if found * looks for a claim in the hash, and returns it if found
* or NULL otherwise. * or NULL otherwise.
*/ */
static struct backbone_gw *batadv_backbone_hash_find(struct bat_priv *bat_priv, static struct batadv_backbone_gw *
uint8_t *addr, short vid) batadv_backbone_hash_find(struct batadv_priv *bat_priv,
uint8_t *addr, short vid)
{ {
struct hashtable_t *hash = bat_priv->backbone_hash; struct batadv_hashtable *hash = bat_priv->backbone_hash;
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node; struct hlist_node *node;
struct backbone_gw search_entry, *backbone_gw; struct batadv_backbone_gw search_entry, *backbone_gw;
struct backbone_gw *backbone_gw_tmp = NULL; struct batadv_backbone_gw *backbone_gw_tmp = NULL;
int index; int index;
if (!hash) if (!hash)
@@ -206,12 +207,13 @@ static struct backbone_gw *batadv_backbone_hash_find(struct bat_priv *bat_priv,
} }
/* delete all claims for a backbone */ /* delete all claims for a backbone */
static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw) static void
batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw)
{ {
struct hashtable_t *hash; struct batadv_hashtable *hash;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
struct claim *claim; struct batadv_claim *claim;
int i; int i;
spinlock_t *list_lock; /* protects write access to the hash lists */ spinlock_t *list_lock; /* protects write access to the hash lists */
@@ -247,15 +249,15 @@ static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw)
* *
* sends a claim frame according to the provided info. * sends a claim frame according to the provided info.
*/ */
static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac, static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac,
short vid, int claimtype) short vid, int claimtype)
{ {
struct sk_buff *skb; struct sk_buff *skb;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct net_device *soft_iface; struct net_device *soft_iface;
uint8_t *hw_src; uint8_t *hw_src;
struct bla_claim_dst local_claim_dest; struct batadv_bla_claim_dst local_claim_dest;
__be32 zeroip = 0; __be32 zeroip = 0;
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
@@ -292,39 +294,39 @@ static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac,
/* now we pretend that the client would have sent this ... */ /* now we pretend that the client would have sent this ... */
switch (claimtype) { switch (claimtype) {
case CLAIM_TYPE_ADD: case BATADV_CLAIM_TYPE_ADD:
/* normal claim frame /* normal claim frame
* set Ethernet SRC to the clients mac * set Ethernet SRC to the clients mac
*/ */
memcpy(ethhdr->h_source, mac, ETH_ALEN); memcpy(ethhdr->h_source, mac, ETH_ALEN);
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): CLAIM %pM on vid %d\n", mac, vid); "bla_send_claim(): CLAIM %pM on vid %d\n", mac, vid);
break; break;
case CLAIM_TYPE_DEL: case BATADV_CLAIM_TYPE_DEL:
/* unclaim frame /* unclaim frame
* set HW SRC to the clients mac * set HW SRC to the clients mac
*/ */
memcpy(hw_src, mac, ETH_ALEN); memcpy(hw_src, mac, ETH_ALEN);
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): UNCLAIM %pM on vid %d\n", mac, "bla_send_claim(): UNCLAIM %pM on vid %d\n", mac,
vid); vid);
break; break;
case CLAIM_TYPE_ANNOUNCE: case BATADV_CLAIM_TYPE_ANNOUNCE:
/* announcement frame /* announcement frame
* set HW SRC to the special mac containg the crc * set HW SRC to the special mac containg the crc
*/ */
memcpy(hw_src, mac, ETH_ALEN); memcpy(hw_src, mac, ETH_ALEN);
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): ANNOUNCE of %pM on vid %d\n", "bla_send_claim(): ANNOUNCE of %pM on vid %d\n",
ethhdr->h_source, vid); ethhdr->h_source, vid);
break; break;
case CLAIM_TYPE_REQUEST: case BATADV_CLAIM_TYPE_REQUEST:
/* request frame /* request frame
* set HW SRC to the special mac containg the crc * set HW SRC to the special mac containg the crc
*/ */
memcpy(hw_src, mac, ETH_ALEN); memcpy(hw_src, mac, ETH_ALEN);
memcpy(ethhdr->h_dest, mac, ETH_ALEN); memcpy(ethhdr->h_dest, mac, ETH_ALEN);
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): REQUEST of %pM to %pMon vid %d\n", "bla_send_claim(): REQUEST of %pM to %pMon vid %d\n",
ethhdr->h_source, ethhdr->h_dest, vid); ethhdr->h_source, ethhdr->h_dest, vid);
break; break;
@@ -353,11 +355,12 @@ out:
* searches for the backbone gw or creates a new one if it could not * searches for the backbone gw or creates a new one if it could not
* be found. * be found.
*/ */
static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv, static struct batadv_backbone_gw *
uint8_t *orig, short vid) batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig,
short vid)
{ {
struct backbone_gw *entry; struct batadv_backbone_gw *entry;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
int hash_added; int hash_added;
entry = batadv_backbone_hash_find(bat_priv, orig, vid); entry = batadv_backbone_hash_find(bat_priv, orig, vid);
@@ -365,7 +368,7 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv,
if (entry) if (entry)
return entry; return entry;
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_get_backbone_gw(): not found (%pM, %d), creating new entry\n", "bla_get_backbone_gw(): not found (%pM, %d), creating new entry\n",
orig, vid); orig, vid);
@@ -407,11 +410,12 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv,
/* update or add the own backbone gw to make sure we announce /* update or add the own backbone gw to make sure we announce
* where we receive other backbone gws * where we receive other backbone gws
*/ */
static void batadv_bla_update_own_backbone_gw(struct bat_priv *bat_priv, static void
struct hard_iface *primary_if, batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv,
short vid) struct batadv_hard_iface *primary_if,
short vid)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
backbone_gw = batadv_bla_get_backbone_gw(bat_priv, backbone_gw = batadv_bla_get_backbone_gw(bat_priv,
primary_if->net_dev->dev_addr, primary_if->net_dev->dev_addr,
@@ -429,17 +433,18 @@ static void batadv_bla_update_own_backbone_gw(struct bat_priv *bat_priv,
* Repeat all of our own claims, and finally send an ANNOUNCE frame * Repeat all of our own claims, and finally send an ANNOUNCE frame
* to allow the requester another check if the CRC is correct now. * to allow the requester another check if the CRC is correct now.
*/ */
static void batadv_bla_answer_request(struct bat_priv *bat_priv, static void batadv_bla_answer_request(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, short vid) struct batadv_hard_iface *primary_if,
short vid)
{ {
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct hashtable_t *hash; struct batadv_hashtable *hash;
struct claim *claim; struct batadv_claim *claim;
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
int i; int i;
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_answer_request(): received a claim request, send all of our own claims again\n"); "bla_answer_request(): received a claim request, send all of our own claims again\n");
backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_gw = batadv_backbone_hash_find(bat_priv,
@@ -459,7 +464,7 @@ static void batadv_bla_answer_request(struct bat_priv *bat_priv,
continue; continue;
batadv_bla_send_claim(bat_priv, claim->addr, claim->vid, batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,
CLAIM_TYPE_ADD); BATADV_CLAIM_TYPE_ADD);
} }
rcu_read_unlock(); rcu_read_unlock();
} }
@@ -475,17 +480,17 @@ static void batadv_bla_answer_request(struct bat_priv *bat_priv,
* After the request, it will repeat all of his own claims and finally * After the request, it will repeat all of his own claims and finally
* send an announcement claim with which we can check again. * send an announcement claim with which we can check again.
*/ */
static void batadv_bla_send_request(struct backbone_gw *backbone_gw) static void batadv_bla_send_request(struct batadv_backbone_gw *backbone_gw)
{ {
/* first, remove all old entries */ /* first, remove all old entries */
batadv_bla_del_backbone_claims(backbone_gw); batadv_bla_del_backbone_claims(backbone_gw);
batadv_dbg(DBG_BLA, backbone_gw->bat_priv, "Sending REQUEST to %pM\n", batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
backbone_gw->orig); "Sending REQUEST to %pM\n", backbone_gw->orig);
/* send request */ /* send request */
batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig, batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig,
backbone_gw->vid, CLAIM_TYPE_REQUEST); backbone_gw->vid, BATADV_CLAIM_TYPE_REQUEST);
/* no local broadcasts should be sent or received, for now. */ /* no local broadcasts should be sent or received, for now. */
if (!atomic_read(&backbone_gw->request_sent)) { if (!atomic_read(&backbone_gw->request_sent)) {
@@ -500,8 +505,8 @@ static void batadv_bla_send_request(struct backbone_gw *backbone_gw)
* This function sends an announcement. It is called from multiple * This function sends an announcement. It is called from multiple
* places. * places.
*/ */
static void batadv_bla_send_announce(struct bat_priv *bat_priv, static void batadv_bla_send_announce(struct batadv_priv *bat_priv,
struct backbone_gw *backbone_gw) struct batadv_backbone_gw *backbone_gw)
{ {
uint8_t mac[ETH_ALEN]; uint8_t mac[ETH_ALEN];
__be16 crc; __be16 crc;
@@ -511,7 +516,7 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv,
memcpy(&mac[4], &crc, 2); memcpy(&mac[4], &crc, 2);
batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid, batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid,
CLAIM_TYPE_ANNOUNCE); BATADV_CLAIM_TYPE_ANNOUNCE);
} }
@@ -522,12 +527,12 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv,
* *
* Adds a claim in the claim hash. * Adds a claim in the claim hash.
*/ */
static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac, static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
const short vid, const uint8_t *mac, const short vid,
struct backbone_gw *backbone_gw) struct batadv_backbone_gw *backbone_gw)
{ {
struct claim *claim; struct batadv_claim *claim;
struct claim search_claim; struct batadv_claim search_claim;
int hash_added; int hash_added;
memcpy(search_claim.addr, mac, ETH_ALEN); memcpy(search_claim.addr, mac, ETH_ALEN);
@@ -546,7 +551,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac,
claim->backbone_gw = backbone_gw; claim->backbone_gw = backbone_gw;
atomic_set(&claim->refcount, 2); atomic_set(&claim->refcount, 2);
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_add_claim(): adding new entry %pM, vid %d to hash ...\n", "bla_add_claim(): adding new entry %pM, vid %d to hash ...\n",
mac, vid); mac, vid);
hash_added = batadv_hash_add(bat_priv->claim_hash, hash_added = batadv_hash_add(bat_priv->claim_hash,
@@ -565,7 +570,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac,
/* no need to register a new backbone */ /* no need to register a new backbone */
goto claim_free_ref; goto claim_free_ref;
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_add_claim(): changing ownership for %pM, vid %d\n", "bla_add_claim(): changing ownership for %pM, vid %d\n",
mac, vid); mac, vid);
@@ -588,10 +593,10 @@ claim_free_ref:
/* Delete a claim from the claim hash which has the /* Delete a claim from the claim hash which has the
* given mac address and vid. * given mac address and vid.
*/ */
static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac, static void batadv_bla_del_claim(struct batadv_priv *bat_priv,
const short vid) const uint8_t *mac, const short vid)
{ {
struct claim search_claim, *claim; struct batadv_claim search_claim, *claim;
memcpy(search_claim.addr, mac, ETH_ALEN); memcpy(search_claim.addr, mac, ETH_ALEN);
search_claim.vid = vid; search_claim.vid = vid;
@@ -599,8 +604,8 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac,
if (!claim) if (!claim)
return; return;
batadv_dbg(DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n", mac, batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",
vid); mac, vid);
batadv_hash_remove(bat_priv->claim_hash, batadv_compare_claim, batadv_hash_remove(bat_priv->claim_hash, batadv_compare_claim,
batadv_choose_claim, claim); batadv_choose_claim, claim);
@@ -613,11 +618,11 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac,
} }
/* check for ANNOUNCE frame, return 1 if handled */ /* check for ANNOUNCE frame, return 1 if handled */
static int batadv_handle_announce(struct bat_priv *bat_priv, static int batadv_handle_announce(struct batadv_priv *bat_priv,
uint8_t *an_addr, uint8_t *backbone_addr, uint8_t *an_addr, uint8_t *backbone_addr,
short vid) short vid)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
uint16_t crc; uint16_t crc;
if (memcmp(an_addr, batadv_announce_mac, 4) != 0) if (memcmp(an_addr, batadv_announce_mac, 4) != 0)
@@ -633,12 +638,12 @@ static int batadv_handle_announce(struct bat_priv *bat_priv,
backbone_gw->lasttime = jiffies; backbone_gw->lasttime = jiffies;
crc = ntohs(*((__be16 *)(&an_addr[4]))); crc = ntohs(*((__be16 *)(&an_addr[4])));
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n", "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n",
vid, backbone_gw->orig, crc); vid, backbone_gw->orig, crc);
if (backbone_gw->crc != crc) { if (backbone_gw->crc != crc) {
batadv_dbg(DBG_BLA, backbone_gw->bat_priv, batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
"handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n", "handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n",
backbone_gw->orig, backbone_gw->vid, backbone_gw->orig, backbone_gw->vid,
backbone_gw->crc, crc); backbone_gw->crc, crc);
@@ -659,8 +664,8 @@ static int batadv_handle_announce(struct bat_priv *bat_priv,
} }
/* check for REQUEST frame, return 1 if handled */ /* check for REQUEST frame, return 1 if handled */
static int batadv_handle_request(struct bat_priv *bat_priv, static int batadv_handle_request(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
uint8_t *backbone_addr, uint8_t *backbone_addr,
struct ethhdr *ethhdr, short vid) struct ethhdr *ethhdr, short vid)
{ {
@@ -674,7 +679,7 @@ static int batadv_handle_request(struct bat_priv *bat_priv,
if (!batadv_compare_eth(ethhdr->h_dest, primary_if->net_dev->dev_addr)) if (!batadv_compare_eth(ethhdr->h_dest, primary_if->net_dev->dev_addr))
return 1; return 1;
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_request(): REQUEST vid %d (sent by %pM)...\n", "handle_request(): REQUEST vid %d (sent by %pM)...\n",
vid, ethhdr->h_source); vid, ethhdr->h_source);
@@ -683,18 +688,18 @@ static int batadv_handle_request(struct bat_priv *bat_priv,
} }
/* check for UNCLAIM frame, return 1 if handled */ /* check for UNCLAIM frame, return 1 if handled */
static int batadv_handle_unclaim(struct bat_priv *bat_priv, static int batadv_handle_unclaim(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
uint8_t *backbone_addr, uint8_t *backbone_addr,
uint8_t *claim_addr, short vid) uint8_t *claim_addr, short vid)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
/* unclaim in any case if it is our own */ /* unclaim in any case if it is our own */
if (primary_if && batadv_compare_eth(backbone_addr, if (primary_if && batadv_compare_eth(backbone_addr,
primary_if->net_dev->dev_addr)) primary_if->net_dev->dev_addr))
batadv_bla_send_claim(bat_priv, claim_addr, vid, batadv_bla_send_claim(bat_priv, claim_addr, vid,
CLAIM_TYPE_DEL); BATADV_CLAIM_TYPE_DEL);
backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid); backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);
@@ -702,7 +707,7 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv,
return 1; return 1;
/* this must be an UNCLAIM frame */ /* this must be an UNCLAIM frame */
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"handle_unclaim(): UNCLAIM %pM on vid %d (sent by %pM)...\n", "handle_unclaim(): UNCLAIM %pM on vid %d (sent by %pM)...\n",
claim_addr, vid, backbone_gw->orig); claim_addr, vid, backbone_gw->orig);
@@ -712,12 +717,12 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv,
} }
/* check for CLAIM frame, return 1 if handled */ /* check for CLAIM frame, return 1 if handled */
static int batadv_handle_claim(struct bat_priv *bat_priv, static int batadv_handle_claim(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
uint8_t *backbone_addr, uint8_t *claim_addr, uint8_t *backbone_addr, uint8_t *claim_addr,
short vid) short vid)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
/* register the gateway if not yet available, and add the claim. */ /* register the gateway if not yet available, and add the claim. */
@@ -730,7 +735,7 @@ static int batadv_handle_claim(struct bat_priv *bat_priv,
batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw); batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr)) if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr))
batadv_bla_send_claim(bat_priv, claim_addr, vid, batadv_bla_send_claim(bat_priv, claim_addr, vid,
CLAIM_TYPE_ADD); BATADV_CLAIM_TYPE_ADD);
/* TODO: we could call something like tt_local_del() here. */ /* TODO: we could call something like tt_local_del() here. */
@@ -752,16 +757,16 @@ static int batadv_handle_claim(struct bat_priv *bat_priv,
* 1 - if is a claim packet from another group * 1 - if is a claim packet from another group
* 0 - if it is not a claim packet * 0 - if it is not a claim packet
*/ */
static int batadv_check_claim_group(struct bat_priv *bat_priv, static int batadv_check_claim_group(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
uint8_t *hw_src, uint8_t *hw_dst, uint8_t *hw_src, uint8_t *hw_dst,
struct ethhdr *ethhdr) struct ethhdr *ethhdr)
{ {
uint8_t *backbone_addr; uint8_t *backbone_addr;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct bla_claim_dst *bla_dst, *bla_dst_own; struct batadv_bla_claim_dst *bla_dst, *bla_dst_own;
bla_dst = (struct bla_claim_dst *)hw_dst; bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
bla_dst_own = &bat_priv->claim_dest; bla_dst_own = &bat_priv->claim_dest;
/* check if it is a claim packet in general */ /* check if it is a claim packet in general */
@@ -773,12 +778,12 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
* otherwise assume it is in the hw_src * otherwise assume it is in the hw_src
*/ */
switch (bla_dst->type) { switch (bla_dst->type) {
case CLAIM_TYPE_ADD: case BATADV_CLAIM_TYPE_ADD:
backbone_addr = hw_src; backbone_addr = hw_src;
break; break;
case CLAIM_TYPE_REQUEST: case BATADV_CLAIM_TYPE_REQUEST:
case CLAIM_TYPE_ANNOUNCE: case BATADV_CLAIM_TYPE_ANNOUNCE:
case CLAIM_TYPE_DEL: case BATADV_CLAIM_TYPE_DEL:
backbone_addr = ethhdr->h_source; backbone_addr = ethhdr->h_source;
break; break;
default: default:
@@ -804,7 +809,7 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
/* if our mesh friends mac is bigger, use it for ourselves. */ /* if our mesh friends mac is bigger, use it for ourselves. */
if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) { if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) {
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"taking other backbones claim group: %04x\n", "taking other backbones claim group: %04x\n",
ntohs(bla_dst->group)); ntohs(bla_dst->group));
bla_dst_own->group = bla_dst->group; bla_dst_own->group = bla_dst->group;
@@ -824,15 +829,15 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv,
* returns 1 if it was a claim frame, otherwise return 0 to * returns 1 if it was a claim frame, otherwise return 0 to
* tell the callee that it can use the frame on its own. * tell the callee that it can use the frame on its own.
*/ */
static int batadv_bla_process_claim(struct bat_priv *bat_priv, static int batadv_bla_process_claim(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
struct sk_buff *skb) struct sk_buff *skb)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr; struct vlan_ethhdr *vhdr;
struct arphdr *arphdr; struct arphdr *arphdr;
uint8_t *hw_src, *hw_dst; uint8_t *hw_src, *hw_dst;
struct bla_claim_dst *bla_dst; struct batadv_bla_claim_dst *bla_dst;
uint16_t proto; uint16_t proto;
int headlen; int headlen;
short vid = -1; short vid = -1;
@@ -876,13 +881,13 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
hw_src = (uint8_t *)arphdr + sizeof(struct arphdr); hw_src = (uint8_t *)arphdr + sizeof(struct arphdr);
hw_dst = hw_src + ETH_ALEN + 4; hw_dst = hw_src + ETH_ALEN + 4;
bla_dst = (struct bla_claim_dst *)hw_dst; bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
/* check if it is a claim frame. */ /* check if it is a claim frame. */
ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst, ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst,
ethhdr); ethhdr);
if (ret == 1) if (ret == 1)
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_process_claim(): received a claim frame from another group. From: %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n", "bla_process_claim(): received a claim frame from another group. From: %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n",
ethhdr->h_source, vid, hw_src, hw_dst); ethhdr->h_source, vid, hw_src, hw_dst);
@@ -894,30 +899,30 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
/* check for the different types of claim frames ... */ /* check for the different types of claim frames ... */
switch (bla_dst->type) { switch (bla_dst->type) {
case CLAIM_TYPE_ADD: case BATADV_CLAIM_TYPE_ADD:
if (batadv_handle_claim(bat_priv, primary_if, hw_src, if (batadv_handle_claim(bat_priv, primary_if, hw_src,
ethhdr->h_source, vid)) ethhdr->h_source, vid))
return 1; return 1;
break; break;
case CLAIM_TYPE_DEL: case BATADV_CLAIM_TYPE_DEL:
if (batadv_handle_unclaim(bat_priv, primary_if, if (batadv_handle_unclaim(bat_priv, primary_if,
ethhdr->h_source, hw_src, vid)) ethhdr->h_source, hw_src, vid))
return 1; return 1;
break; break;
case CLAIM_TYPE_ANNOUNCE: case BATADV_CLAIM_TYPE_ANNOUNCE:
if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source, if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source,
vid)) vid))
return 1; return 1;
break; break;
case CLAIM_TYPE_REQUEST: case BATADV_CLAIM_TYPE_REQUEST:
if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr, if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr,
vid)) vid))
return 1; return 1;
break; break;
} }
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_process_claim(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n", "bla_process_claim(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n",
ethhdr->h_source, vid, hw_src, hw_dst); ethhdr->h_source, vid, hw_src, hw_dst);
return 1; return 1;
@@ -926,12 +931,12 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv,
/* Check when we last heard from other nodes, and remove them in case of /* Check when we last heard from other nodes, and remove them in case of
* a time out, or clean all backbone gws if now is set. * a time out, or clean all backbone gws if now is set.
*/ */
static void batadv_bla_purge_backbone_gw(struct bat_priv *bat_priv, int now) static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
struct hashtable_t *hash; struct batadv_hashtable *hash;
spinlock_t *list_lock; /* protects write access to the hash lists */ spinlock_t *list_lock; /* protects write access to the hash lists */
int i; int i;
@@ -952,7 +957,7 @@ static void batadv_bla_purge_backbone_gw(struct bat_priv *bat_priv, int now)
BATADV_BLA_BACKBONE_TIMEOUT)) BATADV_BLA_BACKBONE_TIMEOUT))
continue; continue;
batadv_dbg(DBG_BLA, backbone_gw->bat_priv, batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
"bla_purge_backbone_gw(): backbone gw %pM timed out\n", "bla_purge_backbone_gw(): backbone gw %pM timed out\n",
backbone_gw->orig); backbone_gw->orig);
@@ -977,13 +982,14 @@ purge_now:
* Check when we heard last time from our own claims, and remove them in case of * Check when we heard last time from our own claims, and remove them in case of
* a time out, or clean all claims if now is set * a time out, or clean all claims if now is set
*/ */
static void batadv_bla_purge_claims(struct bat_priv *bat_priv, static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, int now) struct batadv_hard_iface *primary_if,
int now)
{ {
struct claim *claim; struct batadv_claim *claim;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct hashtable_t *hash; struct batadv_hashtable *hash;
int i; int i;
hash = bat_priv->claim_hash; hash = bat_priv->claim_hash;
@@ -1004,7 +1010,7 @@ static void batadv_bla_purge_claims(struct bat_priv *bat_priv,
BATADV_BLA_CLAIM_TIMEOUT)) BATADV_BLA_CLAIM_TIMEOUT))
continue; continue;
batadv_dbg(DBG_BLA, bat_priv, batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_purge_claims(): %pM, vid %d, time out\n", "bla_purge_claims(): %pM, vid %d, time out\n",
claim->addr, claim->vid); claim->addr, claim->vid);
@@ -1023,14 +1029,14 @@ purge_now:
* *
* Update the backbone gateways when the own orig address changes. * Update the backbone gateways when the own orig address changes.
*/ */
void batadv_bla_update_orig_address(struct bat_priv *bat_priv, void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
struct hard_iface *oldif) struct batadv_hard_iface *oldif)
{ {
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct hashtable_t *hash; struct batadv_hashtable *hash;
int i; int i;
/* reset bridge loop avoidance group id */ /* reset bridge loop avoidance group id */
@@ -1071,7 +1077,7 @@ void batadv_bla_update_orig_address(struct bat_priv *bat_priv,
/* (re)start the timer */ /* (re)start the timer */
static void batadv_bla_start_timer(struct bat_priv *bat_priv) static void batadv_bla_start_timer(struct batadv_priv *bat_priv)
{ {
INIT_DELAYED_WORK(&bat_priv->bla_work, batadv_bla_periodic_work); INIT_DELAYED_WORK(&bat_priv->bla_work, batadv_bla_periodic_work);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work, queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work,
@@ -1086,15 +1092,15 @@ static void batadv_bla_periodic_work(struct work_struct *work)
{ {
struct delayed_work *delayed_work = struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work); container_of(work, struct delayed_work, work);
struct bat_priv *bat_priv = struct batadv_priv *bat_priv;
container_of(delayed_work, struct bat_priv, bla_work);
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
struct hashtable_t *hash; struct batadv_hashtable *hash;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
int i; int i;
bat_priv = container_of(delayed_work, struct batadv_priv, bla_work);
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) if (!primary_if)
goto out; goto out;
@@ -1140,13 +1146,13 @@ static struct lock_class_key batadv_claim_hash_lock_class_key;
static struct lock_class_key batadv_backbone_hash_lock_class_key; static struct lock_class_key batadv_backbone_hash_lock_class_key;
/* initialize all bla structures */ /* initialize all bla structures */
int batadv_bla_init(struct bat_priv *bat_priv) int batadv_bla_init(struct batadv_priv *bat_priv)
{ {
int i; int i;
uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00}; uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00};
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
batadv_dbg(DBG_BLA, bat_priv, "bla hash registering\n"); batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");
/* setting claim destination address */ /* setting claim destination address */
memcpy(&bat_priv->claim_dest.magic, claim_dest, 3); memcpy(&bat_priv->claim_dest.magic, claim_dest, 3);
@@ -1181,7 +1187,7 @@ int batadv_bla_init(struct bat_priv *bat_priv)
batadv_hash_set_lock_class(bat_priv->backbone_hash, batadv_hash_set_lock_class(bat_priv->backbone_hash,
&batadv_backbone_hash_lock_class_key); &batadv_backbone_hash_lock_class_key);
batadv_dbg(DBG_BLA, bat_priv, "bla hashes initialized\n"); batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");
batadv_bla_start_timer(bat_priv); batadv_bla_start_timer(bat_priv);
return 0; return 0;
@@ -1200,14 +1206,14 @@ int batadv_bla_init(struct bat_priv *bat_priv)
* sent by another host, drop it. We allow equal packets from * sent by another host, drop it. We allow equal packets from
* the same host however as this might be intended. * the same host however as this might be intended.
*/ */
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct bcast_packet *bcast_packet, struct batadv_bcast_packet *bcast_packet,
int hdr_size) int hdr_size)
{ {
int i, length, curr; int i, length, curr;
uint8_t *content; uint8_t *content;
uint16_t crc; uint16_t crc;
struct bcast_duplist_entry *entry; struct batadv_bcast_duplist_entry *entry;
length = hdr_size - sizeof(*bcast_packet); length = hdr_size - sizeof(*bcast_packet);
content = (uint8_t *)bcast_packet; content = (uint8_t *)bcast_packet;
@@ -1260,12 +1266,12 @@ int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv,
* *
* returns 1 if it is found, 0 otherwise * returns 1 if it is found, 0 otherwise
*/ */
int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig)
{ {
struct hashtable_t *hash = bat_priv->backbone_hash; struct batadv_hashtable *hash = bat_priv->backbone_hash;
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node; struct hlist_node *node;
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
int i; int i;
if (!atomic_read(&bat_priv->bridge_loop_avoidance)) if (!atomic_read(&bat_priv->bridge_loop_avoidance))
@@ -1300,11 +1306,11 @@ int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig)
* returns 0. * returns 0.
*/ */
int batadv_bla_is_backbone_gw(struct sk_buff *skb, int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct orig_node *orig_node, int hdr_size) struct batadv_orig_node *orig_node, int hdr_size)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr; struct vlan_ethhdr *vhdr;
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
short vid = -1; short vid = -1;
if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance)) if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance))
@@ -1336,9 +1342,9 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb,
} }
/* free all bla structures (for softinterface free or module unload) */ /* free all bla structures (for softinterface free or module unload) */
void batadv_bla_free(struct bat_priv *bat_priv) void batadv_bla_free(struct batadv_priv *bat_priv)
{ {
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
cancel_delayed_work_sync(&bat_priv->bla_work); cancel_delayed_work_sync(&bat_priv->bla_work);
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
@@ -1369,11 +1375,11 @@ void batadv_bla_free(struct bat_priv *bat_priv)
* returns 1, otherwise it returns 0 and the caller shall further * returns 1, otherwise it returns 0 and the caller shall further
* process the skb. * process the skb.
*/ */
int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct claim search_claim, *claim = NULL; struct batadv_claim search_claim, *claim = NULL;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
int ret; int ret;
ethhdr = (struct ethhdr *)skb_mac_header(skb); ethhdr = (struct ethhdr *)skb_mac_header(skb);
@@ -1456,11 +1462,11 @@ out:
* returns 1, otherwise it returns 0 and the caller shall further * returns 1, otherwise it returns 0 and the caller shall further
* process the skb. * process the skb.
*/ */
int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct claim search_claim, *claim = NULL; struct batadv_claim search_claim, *claim = NULL;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
int ret = 0; int ret = 0;
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
@@ -1533,10 +1539,10 @@ out:
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
{ {
struct net_device *net_dev = (struct net_device *)seq->private; struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct hashtable_t *hash = bat_priv->claim_hash; struct batadv_hashtable *hash = bat_priv->claim_hash;
struct claim *claim; struct batadv_claim *claim;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
uint32_t i; uint32_t i;
@@ -1552,7 +1558,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset)
goto out; goto out;
} }
if (primary_if->if_status != IF_ACTIVE) { if (primary_if->if_status != BATADV_IF_ACTIVE) {
ret = seq_printf(seq, ret = seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n", "BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name); net_dev->name);

48
net/batman-adv/bridge_loop_avoidance.h
View File

@@ -21,38 +21,38 @@
#define _NET_BATMAN_ADV_BLA_H_ #define _NET_BATMAN_ADV_BLA_H_
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid);
int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid);
int batadv_bla_is_backbone_gw(struct sk_buff *skb, int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct orig_node *orig_node, int hdr_size); struct batadv_orig_node *orig_node, int hdr_size);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset); int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig); int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct bcast_packet *bcast_packet, struct batadv_bcast_packet *bcast_packet,
int hdr_size); int hdr_size);
void batadv_bla_update_orig_address(struct bat_priv *bat_priv, void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
struct hard_iface *oldif); struct batadv_hard_iface *oldif);
int batadv_bla_init(struct bat_priv *bat_priv); int batadv_bla_init(struct batadv_priv *bat_priv);
void batadv_bla_free(struct bat_priv *bat_priv); void batadv_bla_free(struct batadv_priv *bat_priv);
#define BATADV_BLA_CRC_INIT 0 #define BATADV_BLA_CRC_INIT 0
#else /* ifdef CONFIG_BATMAN_ADV_BLA */ #else /* ifdef CONFIG_BATMAN_ADV_BLA */
static inline int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
short vid) struct sk_buff *skb, short vid)
{ {
return 0; return 0;
} }
static inline int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, static inline int batadv_bla_tx(struct batadv_priv *bat_priv,
short vid) struct sk_buff *skb, short vid)
{ {
return 0; return 0;
} }
static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb, static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
int hdr_size) int hdr_size)
{ {
return 0; return 0;
@@ -64,33 +64,33 @@ static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq,
return 0; return 0;
} }
static inline int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
uint8_t *orig) uint8_t *orig)
{ {
return 0; return 0;
} }
static inline int static inline int
batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct bcast_packet *bcast_packet, struct batadv_bcast_packet *bcast_packet,
int hdr_size) int hdr_size)
{ {
return 0; return 0;
} }
static inline void static inline void
batadv_bla_update_orig_address(struct bat_priv *bat_priv, batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
struct hard_iface *primary_if, struct batadv_hard_iface *primary_if,
struct hard_iface *oldif) struct batadv_hard_iface *oldif)
{ {
} }
static inline int batadv_bla_init(struct bat_priv *bat_priv) static inline int batadv_bla_init(struct batadv_priv *bat_priv)
{ {
return 1; return 1;
} }
static inline void batadv_bla_free(struct bat_priv *bat_priv) static inline void batadv_bla_free(struct batadv_priv *bat_priv)
{ {
} }

76
net/batman-adv/bat_debugfs.c → net/batman-adv/debugfs.c
View File

@@ -21,7 +21,7 @@
#include <linux/debugfs.h> #include <linux/debugfs.h>
#include "bat_debugfs.h" #include "debugfs.h"
#include "translation-table.h" #include "translation-table.h"
#include "originator.h" #include "originator.h"
#include "hard-interface.h" #include "hard-interface.h"
@@ -36,13 +36,21 @@ static struct dentry *batadv_debugfs;
#ifdef CONFIG_BATMAN_ADV_DEBUG #ifdef CONFIG_BATMAN_ADV_DEBUG
#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) #define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK])
static int batadv_log_buff_len = BATADV_LOG_BUF_LEN; static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
static void batadv_emit_log_char(struct debug_log *debug_log, char c) static char *batadv_log_char_addr(struct batadv_debug_log *debug_log,
size_t idx)
{ {
BATADV_LOG_BUFF(debug_log->log_end) = c; return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK];
}
static void batadv_emit_log_char(struct batadv_debug_log *debug_log, char c)
{
char *char_addr;
char_addr = batadv_log_char_addr(debug_log, debug_log->log_end);
*char_addr = c;
debug_log->log_end++; debug_log->log_end++;
if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
@@ -50,7 +58,8 @@ static void batadv_emit_log_char(struct debug_log *debug_log, char c)
} }
__printf(2, 3) __printf(2, 3)
static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...) static int batadv_fdebug_log(struct batadv_debug_log *debug_log,
const char *fmt, ...)
{ {
va_list args; va_list args;
static char debug_log_buf[256]; static char debug_log_buf[256];
@@ -74,7 +83,7 @@ static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
return 0; return 0;
} }
int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...) int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
{ {
va_list args; va_list args;
char tmp_log_buf[256]; char tmp_log_buf[256];
@@ -102,16 +111,21 @@ static int batadv_log_release(struct inode *inode, struct file *file)
return 0; return 0;
} }
static int batadv_log_empty(struct batadv_debug_log *debug_log)
{
return !(debug_log->log_start - debug_log->log_end);
}
static ssize_t batadv_log_read(struct file *file, char __user *buf, static ssize_t batadv_log_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct bat_priv *bat_priv = file->private_data; struct batadv_priv *bat_priv = file->private_data;
struct debug_log *debug_log = bat_priv->debug_log; struct batadv_debug_log *debug_log = bat_priv->debug_log;
int error, i = 0; int error, i = 0;
char *char_addr;
char c; char c;
if ((file->f_flags & O_NONBLOCK) && if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log))
!(debug_log->log_end - debug_log->log_start))
return -EAGAIN; return -EAGAIN;
if (!buf) if (!buf)
@@ -124,7 +138,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
return -EFAULT; return -EFAULT;
error = wait_event_interruptible(debug_log->queue_wait, error = wait_event_interruptible(debug_log->queue_wait,
(debug_log->log_start - debug_log->log_end)); (!batadv_log_empty(debug_log)));
if (error) if (error)
return error; return error;
@@ -133,7 +147,9 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
while ((!error) && (i < count) && while ((!error) && (i < count) &&
(debug_log->log_start != debug_log->log_end)) { (debug_log->log_start != debug_log->log_end)) {
c = BATADV_LOG_BUFF(debug_log->log_start); char_addr = batadv_log_char_addr(debug_log,
debug_log->log_start);
c = *char_addr;
debug_log->log_start++; debug_log->log_start++;
@@ -158,12 +174,12 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf,
static unsigned int batadv_log_poll(struct file *file, poll_table *wait) static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
{ {
struct bat_priv *bat_priv = file->private_data; struct batadv_priv *bat_priv = file->private_data;
struct debug_log *debug_log = bat_priv->debug_log; struct batadv_debug_log *debug_log = bat_priv->debug_log;
poll_wait(file, &debug_log->queue_wait, wait); poll_wait(file, &debug_log->queue_wait, wait);
if (debug_log->log_end - debug_log->log_start) if (!batadv_log_empty(debug_log))
return POLLIN | POLLRDNORM; return POLLIN | POLLRDNORM;
return 0; return 0;
@@ -177,7 +193,7 @@ static const struct file_operations batadv_log_fops = {
.llseek = no_llseek, .llseek = no_llseek,
}; };
static int batadv_debug_log_setup(struct bat_priv *bat_priv) static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{ {
struct dentry *d; struct dentry *d;
@@ -203,19 +219,19 @@ err:
return -ENOMEM; return -ENOMEM;
} }
static void batadv_debug_log_cleanup(struct bat_priv *bat_priv) static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{ {
kfree(bat_priv->debug_log); kfree(bat_priv->debug_log);
bat_priv->debug_log = NULL; bat_priv->debug_log = NULL;
} }
#else /* CONFIG_BATMAN_ADV_DEBUG */ #else /* CONFIG_BATMAN_ADV_DEBUG */
static int batadv_debug_log_setup(struct bat_priv *bat_priv) static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{ {
bat_priv->debug_log = NULL; bat_priv->debug_log = NULL;
return 0; return 0;
} }
static void batadv_debug_log_cleanup(struct bat_priv *bat_priv) static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{ {
return; return;
} }
@@ -265,13 +281,13 @@ static int batadv_vis_data_open(struct inode *inode, struct file *file)
return single_open(file, batadv_vis_seq_print_text, net_dev); return single_open(file, batadv_vis_seq_print_text, net_dev);
} }
struct bat_debuginfo { struct batadv_debuginfo {
struct attribute attr; struct attribute attr;
const struct file_operations fops; const struct file_operations fops;
}; };
#define BATADV_DEBUGINFO(_name, _mode, _open) \ #define BATADV_DEBUGINFO(_name, _mode, _open) \
struct bat_debuginfo batadv_debuginfo_##_name = { \ struct batadv_debuginfo batadv_debuginfo_##_name = { \
.attr = { .name = __stringify(_name), \ .attr = { .name = __stringify(_name), \
.mode = _mode, }, \ .mode = _mode, }, \
.fops = { .owner = THIS_MODULE, \ .fops = { .owner = THIS_MODULE, \
@@ -294,7 +310,7 @@ static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
batadv_transtable_local_open); batadv_transtable_local_open);
static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open); static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open);
static struct bat_debuginfo *batadv_mesh_debuginfos[] = { static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
&batadv_debuginfo_originators, &batadv_debuginfo_originators,
&batadv_debuginfo_gateways, &batadv_debuginfo_gateways,
&batadv_debuginfo_transtable_global, &batadv_debuginfo_transtable_global,
@@ -308,7 +324,7 @@ static struct bat_debuginfo *batadv_mesh_debuginfos[] = {
void batadv_debugfs_init(void) void batadv_debugfs_init(void)
{ {
struct bat_debuginfo *bat_debug; struct batadv_debuginfo *bat_debug;
struct dentry *file; struct dentry *file;
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
@@ -339,8 +355,8 @@ void batadv_debugfs_destroy(void)
int batadv_debugfs_add_meshif(struct net_device *dev) int batadv_debugfs_add_meshif(struct net_device *dev)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
struct bat_debuginfo **bat_debug; struct batadv_debuginfo **bat_debug;
struct dentry *file; struct dentry *file;
if (!batadv_debugfs) if (!batadv_debugfs)
@@ -358,9 +374,9 @@ int batadv_debugfs_add_meshif(struct net_device *dev)
for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
file = debugfs_create_file(((*bat_debug)->attr).name, file = debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode, S_IFREG | ((*bat_debug)->attr).mode,
bat_priv->debug_dir, bat_priv->debug_dir,
dev, &(*bat_debug)->fops); dev, &(*bat_debug)->fops);
if (!file) { if (!file) {
batadv_err(dev, "Can't add debugfs file: %s/%s\n", batadv_err(dev, "Can't add debugfs file: %s/%s\n",
dev->name, ((*bat_debug)->attr).name); dev->name, ((*bat_debug)->attr).name);
@@ -382,7 +398,7 @@ out:
void batadv_debugfs_del_meshif(struct net_device *dev) void batadv_debugfs_del_meshif(struct net_device *dev)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
batadv_debug_log_cleanup(bat_priv); batadv_debug_log_cleanup(bat_priv);

0
net/batman-adv/bat_debugfs.h → net/batman-adv/debugfs.h
View File

127
net/batman-adv/gateway_client.c
View File

@@ -18,7 +18,7 @@
*/ */
#include "main.h" #include "main.h"
#include "bat_sysfs.h" #include "sysfs.h"
#include "gateway_client.h" #include "gateway_client.h"
#include "gateway_common.h" #include "gateway_common.h"
#include "hard-interface.h" #include "hard-interface.h"
@@ -36,15 +36,16 @@
#define BATADV_DHCP_OPTIONS_OFFSET 240 #define BATADV_DHCP_OPTIONS_OFFSET 240
#define BATADV_DHCP_REQUEST 3 #define BATADV_DHCP_REQUEST 3
static void batadv_gw_node_free_ref(struct gw_node *gw_node) static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
{ {
if (atomic_dec_and_test(&gw_node->refcount)) if (atomic_dec_and_test(&gw_node->refcount))
kfree_rcu(gw_node, rcu); kfree_rcu(gw_node, rcu);
} }
static struct gw_node *batadv_gw_get_selected_gw_node(struct bat_priv *bat_priv) static struct batadv_gw_node *
batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv)
{ {
struct gw_node *gw_node; struct batadv_gw_node *gw_node;
rcu_read_lock(); rcu_read_lock();
gw_node = rcu_dereference(bat_priv->curr_gw); gw_node = rcu_dereference(bat_priv->curr_gw);
@@ -59,10 +60,11 @@ out:
return gw_node; return gw_node;
} }
struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv) struct batadv_orig_node *
batadv_gw_get_selected_orig(struct batadv_priv *bat_priv)
{ {
struct gw_node *gw_node; struct batadv_gw_node *gw_node;
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
gw_node = batadv_gw_get_selected_gw_node(bat_priv); gw_node = batadv_gw_get_selected_gw_node(bat_priv);
if (!gw_node) if (!gw_node)
@@ -84,10 +86,10 @@ out:
return orig_node; return orig_node;
} }
static void batadv_gw_select(struct bat_priv *bat_priv, static void batadv_gw_select(struct batadv_priv *bat_priv,
struct gw_node *new_gw_node) struct batadv_gw_node *new_gw_node)
{ {
struct gw_node *curr_gw_node; struct batadv_gw_node *curr_gw_node;
spin_lock_bh(&bat_priv->gw_list_lock); spin_lock_bh(&bat_priv->gw_list_lock);
@@ -103,20 +105,21 @@ static void batadv_gw_select(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->gw_list_lock); spin_unlock_bh(&bat_priv->gw_list_lock);
} }
void batadv_gw_deselect(struct bat_priv *bat_priv) void batadv_gw_deselect(struct batadv_priv *bat_priv)
{ {
atomic_set(&bat_priv->gw_reselect, 1); atomic_set(&bat_priv->gw_reselect, 1);
} }
static struct gw_node *batadv_gw_get_best_gw_node(struct bat_priv *bat_priv) static struct batadv_gw_node *
batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
{ {
struct neigh_node *router; struct batadv_neigh_node *router;
struct hlist_node *node; struct hlist_node *node;
struct gw_node *gw_node, *curr_gw = NULL; struct batadv_gw_node *gw_node, *curr_gw = NULL;
uint32_t max_gw_factor = 0, tmp_gw_factor = 0; uint32_t max_gw_factor = 0, tmp_gw_factor = 0;
uint8_t max_tq = 0; uint8_t max_tq = 0;
int down, up; int down, up;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
rcu_read_lock(); rcu_read_lock();
hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) { hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
@@ -183,10 +186,10 @@ next:
return curr_gw; return curr_gw;
} }
void batadv_gw_election(struct bat_priv *bat_priv) void batadv_gw_election(struct batadv_priv *bat_priv)
{ {
struct gw_node *curr_gw = NULL, *next_gw = NULL; struct batadv_gw_node *curr_gw = NULL, *next_gw = NULL;
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
char gw_addr[18] = { '\0' }; char gw_addr[18] = { '\0' };
/* The batman daemon checks here if we already passed a full originator /* The batman daemon checks here if we already passed a full originator
@@ -194,7 +197,7 @@ void batadv_gw_election(struct bat_priv *bat_priv)
* hear about. This check is based on the daemon's uptime which we * hear about. This check is based on the daemon's uptime which we
* don't have. * don't have.
*/ */
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT) if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)
goto out; goto out;
if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect)) if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect))
@@ -218,21 +221,24 @@ void batadv_gw_election(struct bat_priv *bat_priv)
} }
if ((curr_gw) && (!next_gw)) { if ((curr_gw) && (!next_gw)) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Removing selected gateway - no gateway in range\n"); "Removing selected gateway - no gateway in range\n");
batadv_throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL); batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL,
NULL);
} else if ((!curr_gw) && (next_gw)) { } else if ((!curr_gw) && (next_gw)) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Adding route to gateway %pM (gw_flags: %i, tq: %i)\n", "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig, next_gw->orig_node->orig,
next_gw->orig_node->gw_flags, router->tq_avg); next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr); batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_ADD,
gw_addr);
} else { } else {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Changing route to gateway %pM (gw_flags: %i, tq: %i)\n", "Changing route to gateway %pM (gw_flags: %i, tq: %i)\n",
next_gw->orig_node->orig, next_gw->orig_node->orig,
next_gw->orig_node->gw_flags, router->tq_avg); next_gw->orig_node->gw_flags, router->tq_avg);
batadv_throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr); batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_CHANGE,
gw_addr);
} }
batadv_gw_select(bat_priv, next_gw); batadv_gw_select(bat_priv, next_gw);
@@ -246,11 +252,11 @@ out:
batadv_neigh_node_free_ref(router); batadv_neigh_node_free_ref(router);
} }
void batadv_gw_check_election(struct bat_priv *bat_priv, void batadv_gw_check_election(struct batadv_priv *bat_priv,
struct orig_node *orig_node) struct batadv_orig_node *orig_node)
{ {
struct orig_node *curr_gw_orig; struct batadv_orig_node *curr_gw_orig;
struct neigh_node *router_gw = NULL, *router_orig = NULL; struct batadv_neigh_node *router_gw = NULL, *router_orig = NULL;
uint8_t gw_tq_avg, orig_tq_avg; uint8_t gw_tq_avg, orig_tq_avg;
curr_gw_orig = batadv_gw_get_selected_orig(bat_priv); curr_gw_orig = batadv_gw_get_selected_orig(bat_priv);
@@ -283,7 +289,7 @@ void batadv_gw_check_election(struct bat_priv *bat_priv,
(orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class))) (orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class)))
goto out; goto out;
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n", "Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n",
gw_tq_avg, orig_tq_avg); gw_tq_avg, orig_tq_avg);
@@ -300,11 +306,11 @@ out:
return; return;
} }
static void batadv_gw_node_add(struct bat_priv *bat_priv, static void batadv_gw_node_add(struct batadv_priv *bat_priv,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
uint8_t new_gwflags) uint8_t new_gwflags)
{ {
struct gw_node *gw_node; struct batadv_gw_node *gw_node;
int down, up; int down, up;
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC); gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
@@ -320,7 +326,7 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv,
spin_unlock_bh(&bat_priv->gw_list_lock); spin_unlock_bh(&bat_priv->gw_list_lock);
batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up); batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up);
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n", "Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n",
orig_node->orig, new_gwflags, orig_node->orig, new_gwflags,
(down > 2048 ? down / 1024 : down), (down > 2048 ? down / 1024 : down),
@@ -329,11 +335,12 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv,
(up > 2048 ? "MBit" : "KBit")); (up > 2048 ? "MBit" : "KBit"));
} }
void batadv_gw_node_update(struct bat_priv *bat_priv, void batadv_gw_node_update(struct batadv_priv *bat_priv,
struct orig_node *orig_node, uint8_t new_gwflags) struct batadv_orig_node *orig_node,
uint8_t new_gwflags)
{ {
struct hlist_node *node; struct hlist_node *node;
struct gw_node *gw_node, *curr_gw; struct batadv_gw_node *gw_node, *curr_gw;
/* Note: We don't need a NULL check here, since curr_gw never gets /* Note: We don't need a NULL check here, since curr_gw never gets
* dereferenced. If curr_gw is NULL we also should not exit as we may * dereferenced. If curr_gw is NULL we also should not exit as we may
@@ -347,7 +354,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
if (gw_node->orig_node != orig_node) if (gw_node->orig_node != orig_node)
continue; continue;
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Gateway class of originator %pM changed from %i to %i\n", "Gateway class of originator %pM changed from %i to %i\n",
orig_node->orig, gw_node->orig_node->gw_flags, orig_node->orig, gw_node->orig_node->gw_flags,
new_gwflags); new_gwflags);
@@ -356,7 +363,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv,
if (new_gwflags == BATADV_NO_FLAGS) { if (new_gwflags == BATADV_NO_FLAGS) {
gw_node->deleted = jiffies; gw_node->deleted = jiffies;
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Gateway %pM removed from gateway list\n", "Gateway %pM removed from gateway list\n",
orig_node->orig); orig_node->orig);
@@ -382,15 +389,15 @@ unlock:
batadv_gw_node_free_ref(curr_gw); batadv_gw_node_free_ref(curr_gw);
} }
void batadv_gw_node_delete(struct bat_priv *bat_priv, void batadv_gw_node_delete(struct batadv_priv *bat_priv,
struct orig_node *orig_node) struct batadv_orig_node *orig_node)
{ {
batadv_gw_node_update(bat_priv, orig_node, 0); batadv_gw_node_update(bat_priv, orig_node, 0);
} }
void batadv_gw_node_purge(struct bat_priv *bat_priv) void batadv_gw_node_purge(struct batadv_priv *bat_priv)
{ {
struct gw_node *gw_node, *curr_gw; struct batadv_gw_node *gw_node, *curr_gw;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT); unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT);
int do_deselect = 0; int do_deselect = 0;
@@ -403,7 +410,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
&bat_priv->gw_list, list) { &bat_priv->gw_list, list) {
if (((!gw_node->deleted) || if (((!gw_node->deleted) ||
(time_before(jiffies, gw_node->deleted + timeout))) && (time_before(jiffies, gw_node->deleted + timeout))) &&
atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE)
continue; continue;
if (curr_gw == gw_node) if (curr_gw == gw_node)
@@ -424,12 +431,12 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv)
} }
/* fails if orig_node has no router */ /* fails if orig_node has no router */
static int batadv_write_buffer_text(struct bat_priv *bat_priv, static int batadv_write_buffer_text(struct batadv_priv *bat_priv,
struct seq_file *seq, struct seq_file *seq,
const struct gw_node *gw_node) const struct batadv_gw_node *gw_node)
{ {
struct gw_node *curr_gw; struct batadv_gw_node *curr_gw;
struct neigh_node *router; struct batadv_neigh_node *router;
int down, up, ret = -1; int down, up, ret = -1;
batadv_gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags, &down, &up); batadv_gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags, &down, &up);
@@ -461,9 +468,9 @@ out:
int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
{ {
struct net_device *net_dev = (struct net_device *)seq->private; struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct gw_node *gw_node; struct batadv_gw_node *gw_node;
struct hlist_node *node; struct hlist_node *node;
int gw_count = 0, ret = 0; int gw_count = 0, ret = 0;
@@ -475,7 +482,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset)
goto out; goto out;
} }
if (primary_if->if_status != IF_ACTIVE) { if (primary_if->if_status != BATADV_IF_ACTIVE) {
ret = seq_printf(seq, ret = seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n", "BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name); net_dev->name);
@@ -636,12 +643,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len)
return true; return true;
} }
bool batadv_gw_out_of_range(struct bat_priv *bat_priv, bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
struct sk_buff *skb, struct ethhdr *ethhdr) struct sk_buff *skb, struct ethhdr *ethhdr)
{ {
struct neigh_node *neigh_curr = NULL, *neigh_old = NULL; struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL;
struct orig_node *orig_dst_node = NULL; struct batadv_orig_node *orig_dst_node = NULL;
struct gw_node *curr_gw = NULL; struct batadv_gw_node *curr_gw = NULL;
bool ret, out_of_range = false; bool ret, out_of_range = false;
unsigned int header_len = 0; unsigned int header_len = 0;
uint8_t curr_tq_avg; uint8_t curr_tq_avg;
@@ -663,13 +670,13 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
goto out; goto out;
switch (atomic_read(&bat_priv->gw_mode)) { switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_SERVER: case BATADV_GW_MODE_SERVER:
/* If we are a GW then we are our best GW. We can artificially /* If we are a GW then we are our best GW. We can artificially
* set the tq towards ourself as the maximum value * set the tq towards ourself as the maximum value
*/ */
curr_tq_avg = BATADV_TQ_MAX_VALUE; curr_tq_avg = BATADV_TQ_MAX_VALUE;
break; break;
case GW_MODE_CLIENT: case BATADV_GW_MODE_CLIENT:
curr_gw = batadv_gw_get_selected_gw_node(bat_priv); curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
if (!curr_gw) if (!curr_gw)
goto out; goto out;
@@ -689,7 +696,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv,
curr_tq_avg = neigh_curr->tq_avg; curr_tq_avg = neigh_curr->tq_avg;
break; break;
case GW_MODE_OFF: case BATADV_GW_MODE_OFF:
default: default:
goto out; goto out;
} }

24
net/batman-adv/gateway_client.h
View File

@@ -20,19 +20,21 @@
#ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ #ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
#define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ #define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_
void batadv_gw_deselect(struct bat_priv *bat_priv); void batadv_gw_deselect(struct batadv_priv *bat_priv);
void batadv_gw_election(struct bat_priv *bat_priv); void batadv_gw_election(struct batadv_priv *bat_priv);
struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv); struct batadv_orig_node *
void batadv_gw_check_election(struct bat_priv *bat_priv, batadv_gw_get_selected_orig(struct batadv_priv *bat_priv);
struct orig_node *orig_node); void batadv_gw_check_election(struct batadv_priv *bat_priv,
void batadv_gw_node_update(struct bat_priv *bat_priv, struct batadv_orig_node *orig_node);
struct orig_node *orig_node, uint8_t new_gwflags); void batadv_gw_node_update(struct batadv_priv *bat_priv,
void batadv_gw_node_delete(struct bat_priv *bat_priv, struct batadv_orig_node *orig_node,
struct orig_node *orig_node); uint8_t new_gwflags);
void batadv_gw_node_purge(struct bat_priv *bat_priv); void batadv_gw_node_delete(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node);
void batadv_gw_node_purge(struct batadv_priv *bat_priv);
int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len); bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len);
bool batadv_gw_out_of_range(struct bat_priv *bat_priv, bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
struct sk_buff *skb, struct ethhdr *ethhdr); struct sk_buff *skb, struct ethhdr *ethhdr);
#endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */

2
net/batman-adv/gateway_common.c
View File

@@ -137,7 +137,7 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff,
ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
size_t count) size_t count)
{ {
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
long gw_bandwidth_tmp = 0; long gw_bandwidth_tmp = 0;
int up = 0, down = 0; int up = 0, down = 0;
bool ret; bool ret;

8
net/batman-adv/gateway_common.h
View File

@@ -20,10 +20,10 @@
#ifndef _NET_BATMAN_ADV_GATEWAY_COMMON_H_ #ifndef _NET_BATMAN_ADV_GATEWAY_COMMON_H_
#define _NET_BATMAN_ADV_GATEWAY_COMMON_H_ #define _NET_BATMAN_ADV_GATEWAY_COMMON_H_
enum gw_modes { enum batadv_gw_modes {
GW_MODE_OFF, BATADV_GW_MODE_OFF,
GW_MODE_CLIENT, BATADV_GW_MODE_CLIENT,
GW_MODE_SERVER, BATADV_GW_MODE_SERVER,
}; };
#define BATADV_GW_MODE_OFF_NAME "off" #define BATADV_GW_MODE_OFF_NAME "off"

125
net/batman-adv/hard-interface.c
View File

@@ -23,7 +23,7 @@
#include "send.h" #include "send.h"
#include "translation-table.h" #include "translation-table.h"
#include "routing.h" #include "routing.h"
#include "bat_sysfs.h" #include "sysfs.h"
#include "originator.h" #include "originator.h"
#include "hash.h" #include "hash.h"
#include "bridge_loop_avoidance.h" #include "bridge_loop_avoidance.h"
@@ -32,16 +32,17 @@
void batadv_hardif_free_rcu(struct rcu_head *rcu) void batadv_hardif_free_rcu(struct rcu_head *rcu)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
hard_iface = container_of(rcu, struct hard_iface, rcu); hard_iface = container_of(rcu, struct batadv_hard_iface, rcu);
dev_put(hard_iface->net_dev); dev_put(hard_iface->net_dev);
kfree(hard_iface); kfree(hard_iface);
} }
struct hard_iface *batadv_hardif_get_by_netdev(const struct net_device *net_dev) struct batadv_hard_iface *
batadv_hardif_get_by_netdev(const struct net_device *net_dev)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
@@ -75,17 +76,17 @@ static int batadv_is_valid_iface(const struct net_device *net_dev)
return 1; return 1;
} }
static struct hard_iface * static struct batadv_hard_iface *
batadv_hardif_get_active(const struct net_device *soft_iface) batadv_hardif_get_active(const struct net_device *soft_iface)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->soft_iface != soft_iface) if (hard_iface->soft_iface != soft_iface)
continue; continue;
if (hard_iface->if_status == IF_ACTIVE && if (hard_iface->if_status == BATADV_IF_ACTIVE &&
atomic_inc_not_zero(&hard_iface->refcount)) atomic_inc_not_zero(&hard_iface->refcount))
goto out; goto out;
} }
@@ -97,17 +98,17 @@ out:
return hard_iface; return hard_iface;
} }
static void batadv_primary_if_update_addr(struct bat_priv *bat_priv, static void batadv_primary_if_update_addr(struct batadv_priv *bat_priv,
struct hard_iface *oldif) struct batadv_hard_iface *oldif)
{ {
struct vis_packet *vis_packet; struct batadv_vis_packet *vis_packet;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) if (!primary_if)
goto out; goto out;
vis_packet = (struct vis_packet *) vis_packet = (struct batadv_vis_packet *)
bat_priv->my_vis_info->skb_packet->data; bat_priv->my_vis_info->skb_packet->data;
memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(vis_packet->sender_orig, memcpy(vis_packet->sender_orig,
@@ -119,10 +120,10 @@ out:
batadv_hardif_free_ref(primary_if); batadv_hardif_free_ref(primary_if);
} }
static void batadv_primary_if_select(struct bat_priv *bat_priv, static void batadv_primary_if_select(struct batadv_priv *bat_priv,
struct hard_iface *new_hard_iface) struct batadv_hard_iface *new_hard_iface)
{ {
struct hard_iface *curr_hard_iface; struct batadv_hard_iface *curr_hard_iface;
ASSERT_RTNL(); ASSERT_RTNL();
@@ -143,7 +144,8 @@ out:
batadv_hardif_free_ref(curr_hard_iface); batadv_hardif_free_ref(curr_hard_iface);
} }
static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface) static bool
batadv_hardif_is_iface_up(const struct batadv_hard_iface *hard_iface)
{ {
if (hard_iface->net_dev->flags & IFF_UP) if (hard_iface->net_dev->flags & IFF_UP)
return true; return true;
@@ -153,12 +155,12 @@ static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface)
static void batadv_check_known_mac_addr(const struct net_device *net_dev) static void batadv_check_known_mac_addr(const struct net_device *net_dev)
{ {
const struct hard_iface *hard_iface; const struct batadv_hard_iface *hard_iface;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) && if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED)) (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
continue; continue;
if (hard_iface->net_dev == net_dev) if (hard_iface->net_dev == net_dev)
@@ -177,8 +179,8 @@ static void batadv_check_known_mac_addr(const struct net_device *net_dev)
int batadv_hardif_min_mtu(struct net_device *soft_iface) int batadv_hardif_min_mtu(struct net_device *soft_iface)
{ {
const struct bat_priv *bat_priv = netdev_priv(soft_iface); const struct batadv_priv *bat_priv = netdev_priv(soft_iface);
const struct hard_iface *hard_iface; const struct batadv_hard_iface *hard_iface;
/* allow big frames if all devices are capable to do so /* allow big frames if all devices are capable to do so
* (have MTU > 1500 + BAT_HEADER_LEN) * (have MTU > 1500 + BAT_HEADER_LEN)
*/ */
@@ -189,8 +191,8 @@ int batadv_hardif_min_mtu(struct net_device *soft_iface)
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if ((hard_iface->if_status != IF_ACTIVE) && if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED)) (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
continue; continue;
if (hard_iface->soft_iface != soft_iface) if (hard_iface->soft_iface != soft_iface)
@@ -215,18 +217,19 @@ void batadv_update_min_mtu(struct net_device *soft_iface)
soft_iface->mtu = min_mtu; soft_iface->mtu = min_mtu;
} }
static void batadv_hardif_activate_interface(struct hard_iface *hard_iface) static void
batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)
{ {
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
if (hard_iface->if_status != IF_INACTIVE) if (hard_iface->if_status != BATADV_IF_INACTIVE)
goto out; goto out;
bat_priv = netdev_priv(hard_iface->soft_iface); bat_priv = netdev_priv(hard_iface->soft_iface);
bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface); bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);
hard_iface->if_status = IF_TO_BE_ACTIVATED; hard_iface->if_status = BATADV_IF_TO_BE_ACTIVATED;
/* the first active interface becomes our primary interface or /* the first active interface becomes our primary interface or
* the next active interface after the old primary interface was removed * the next active interface after the old primary interface was removed
@@ -245,13 +248,14 @@ out:
batadv_hardif_free_ref(primary_if); batadv_hardif_free_ref(primary_if);
} }
static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface) static void
batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface)
{ {
if ((hard_iface->if_status != IF_ACTIVE) && if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&
(hard_iface->if_status != IF_TO_BE_ACTIVATED)) (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))
return; return;
hard_iface->if_status = IF_INACTIVE; hard_iface->if_status = BATADV_IF_INACTIVE;
batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n", batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",
hard_iface->net_dev->name); hard_iface->net_dev->name);
@@ -259,15 +263,15 @@ static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface)
batadv_update_min_mtu(hard_iface->soft_iface); batadv_update_min_mtu(hard_iface->soft_iface);
} }
int batadv_hardif_enable_interface(struct hard_iface *hard_iface, int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name) const char *iface_name)
{ {
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
struct net_device *soft_iface; struct net_device *soft_iface;
__be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
int ret; int ret;
if (hard_iface->if_status != IF_NOT_IN_USE) if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
goto out; goto out;
if (!atomic_inc_not_zero(&hard_iface->refcount)) if (!atomic_inc_not_zero(&hard_iface->refcount))
@@ -308,7 +312,7 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
hard_iface->if_num = bat_priv->num_ifaces; hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++; bat_priv->num_ifaces++;
hard_iface->if_status = IF_INACTIVE; hard_iface->if_status = BATADV_IF_INACTIVE;
batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces); batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
hard_iface->batman_adv_ptype.type = ethertype; hard_iface->batman_adv_ptype.type = ethertype;
@@ -320,15 +324,15 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface,
batadv_info(hard_iface->soft_iface, "Adding interface: %s\n", batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",
hard_iface->net_dev->name); hard_iface->net_dev->name);
if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < if (atomic_read(&bat_priv->fragmentation) &&
ETH_DATA_LEN + BATADV_HEADER_LEN) hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface, batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n", "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu, hard_iface->net_dev->name, hard_iface->net_dev->mtu,
ETH_DATA_LEN + BATADV_HEADER_LEN); ETH_DATA_LEN + BATADV_HEADER_LEN);
if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < if (!atomic_read(&bat_priv->fragmentation) &&
ETH_DATA_LEN + BATADV_HEADER_LEN) hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)
batadv_info(hard_iface->soft_iface, batadv_info(hard_iface->soft_iface,
"The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n", "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n",
hard_iface->net_dev->name, hard_iface->net_dev->mtu, hard_iface->net_dev->name, hard_iface->net_dev->mtu,
@@ -354,15 +358,15 @@ err:
return ret; return ret;
} }
void batadv_hardif_disable_interface(struct hard_iface *hard_iface) void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
if (hard_iface->if_status == IF_ACTIVE) if (hard_iface->if_status == BATADV_IF_ACTIVE)
batadv_hardif_deactivate_interface(hard_iface); batadv_hardif_deactivate_interface(hard_iface);
if (hard_iface->if_status != IF_INACTIVE) if (hard_iface->if_status != BATADV_IF_INACTIVE)
goto out; goto out;
batadv_info(hard_iface->soft_iface, "Removing interface: %s\n", batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",
@@ -374,7 +378,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
if (hard_iface == primary_if) { if (hard_iface == primary_if) {
struct hard_iface *new_if; struct batadv_hard_iface *new_if;
new_if = batadv_hardif_get_active(hard_iface->soft_iface); new_if = batadv_hardif_get_active(hard_iface->soft_iface);
batadv_primary_if_select(bat_priv, new_if); batadv_primary_if_select(bat_priv, new_if);
@@ -384,7 +388,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface)
} }
bat_priv->bat_algo_ops->bat_iface_disable(hard_iface); bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);
hard_iface->if_status = IF_NOT_IN_USE; hard_iface->if_status = BATADV_IF_NOT_IN_USE;
/* delete all references to this hard_iface */ /* delete all references to this hard_iface */
batadv_purge_orig_ref(bat_priv); batadv_purge_orig_ref(bat_priv);
@@ -403,10 +407,10 @@ out:
batadv_hardif_free_ref(primary_if); batadv_hardif_free_ref(primary_if);
} }
static struct hard_iface * static struct batadv_hard_iface *
batadv_hardif_add_interface(struct net_device *net_dev) batadv_hardif_add_interface(struct net_device *net_dev)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
int ret; int ret;
ASSERT_RTNL(); ASSERT_RTNL();
@@ -428,7 +432,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
hard_iface->if_num = -1; hard_iface->if_num = -1;
hard_iface->net_dev = net_dev; hard_iface->net_dev = net_dev;
hard_iface->soft_iface = NULL; hard_iface->soft_iface = NULL;
hard_iface->if_status = IF_NOT_IN_USE; hard_iface->if_status = BATADV_IF_NOT_IN_USE;
INIT_LIST_HEAD(&hard_iface->list); INIT_LIST_HEAD(&hard_iface->list);
/* extra reference for return */ /* extra reference for return */
atomic_set(&hard_iface->refcount, 2); atomic_set(&hard_iface->refcount, 2);
@@ -452,25 +456,25 @@ out:
return NULL; return NULL;
} }
static void batadv_hardif_remove_interface(struct hard_iface *hard_iface) static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface)
{ {
ASSERT_RTNL(); ASSERT_RTNL();
/* first deactivate interface */ /* first deactivate interface */
if (hard_iface->if_status != IF_NOT_IN_USE) if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
batadv_hardif_disable_interface(hard_iface); batadv_hardif_disable_interface(hard_iface);
if (hard_iface->if_status != IF_NOT_IN_USE) if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
return; return;
hard_iface->if_status = IF_TO_BE_REMOVED; hard_iface->if_status = BATADV_IF_TO_BE_REMOVED;
batadv_sysfs_del_hardif(&hard_iface->hardif_obj); batadv_sysfs_del_hardif(&hard_iface->hardif_obj);
batadv_hardif_free_ref(hard_iface); batadv_hardif_free_ref(hard_iface);
} }
void batadv_hardif_remove_interfaces(void) void batadv_hardif_remove_interfaces(void)
{ {
struct hard_iface *hard_iface, *hard_iface_tmp; struct batadv_hard_iface *hard_iface, *hard_iface_tmp;
rtnl_lock(); rtnl_lock();
list_for_each_entry_safe(hard_iface, hard_iface_tmp, list_for_each_entry_safe(hard_iface, hard_iface_tmp,
@@ -485,10 +489,11 @@ static int batadv_hard_if_event(struct notifier_block *this,
unsigned long event, void *ptr) unsigned long event, void *ptr)
{ {
struct net_device *net_dev = ptr; struct net_device *net_dev = ptr;
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); struct batadv_hard_iface *hard_iface;
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface && event == NETDEV_REGISTER) if (!hard_iface && event == NETDEV_REGISTER)
hard_iface = batadv_hardif_add_interface(net_dev); hard_iface = batadv_hardif_add_interface(net_dev);
@@ -513,7 +518,7 @@ static int batadv_hard_if_event(struct notifier_block *this,
batadv_update_min_mtu(hard_iface->soft_iface); batadv_update_min_mtu(hard_iface->soft_iface);
break; break;
case NETDEV_CHANGEADDR: case NETDEV_CHANGEADDR:
if (hard_iface->if_status == IF_NOT_IN_USE) if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
goto hardif_put; goto hardif_put;
batadv_check_known_mac_addr(hard_iface->net_dev); batadv_check_known_mac_addr(hard_iface->net_dev);

28
net/batman-adv/hard-interface.h
View File

@@ -20,22 +20,22 @@
#ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_ #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
#define _NET_BATMAN_ADV_HARD_INTERFACE_H_ #define _NET_BATMAN_ADV_HARD_INTERFACE_H_
enum hard_if_state { enum batadv_hard_if_state {
IF_NOT_IN_USE, BATADV_IF_NOT_IN_USE,
IF_TO_BE_REMOVED, BATADV_IF_TO_BE_REMOVED,
IF_INACTIVE, BATADV_IF_INACTIVE,
IF_ACTIVE, BATADV_IF_ACTIVE,
IF_TO_BE_ACTIVATED, BATADV_IF_TO_BE_ACTIVATED,
IF_I_WANT_YOU BATADV_IF_I_WANT_YOU,
}; };
extern struct notifier_block batadv_hard_if_notifier; extern struct notifier_block batadv_hard_if_notifier;
struct hard_iface* struct batadv_hard_iface*
batadv_hardif_get_by_netdev(const struct net_device *net_dev); batadv_hardif_get_by_netdev(const struct net_device *net_dev);
int batadv_hardif_enable_interface(struct hard_iface *hard_iface, int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
const char *iface_name); const char *iface_name);
void batadv_hardif_disable_interface(struct hard_iface *hard_iface); void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface);
void batadv_hardif_remove_interfaces(void); void batadv_hardif_remove_interfaces(void);
int batadv_hardif_min_mtu(struct net_device *soft_iface); int batadv_hardif_min_mtu(struct net_device *soft_iface);
void batadv_update_min_mtu(struct net_device *soft_iface); void batadv_update_min_mtu(struct net_device *soft_iface);
@@ -43,16 +43,16 @@ void batadv_hardif_free_rcu(struct rcu_head *rcu);
bool batadv_is_wifi_iface(int ifindex); bool batadv_is_wifi_iface(int ifindex);
static inline void static inline void
batadv_hardif_free_ref(struct hard_iface *hard_iface) batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface)
{ {
if (atomic_dec_and_test(&hard_iface->refcount)) if (atomic_dec_and_test(&hard_iface->refcount))
call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu); call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu);
} }
static inline struct hard_iface * static inline struct batadv_hard_iface *
batadv_primary_if_get_selected(struct bat_priv *bat_priv) batadv_primary_if_get_selected(struct batadv_priv *bat_priv)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
rcu_read_lock(); rcu_read_lock();
hard_iface = rcu_dereference(bat_priv->primary_if); hard_iface = rcu_dereference(bat_priv->primary_if);

12
net/batman-adv/hash.c
View File

@@ -21,18 +21,18 @@
#include "hash.h" #include "hash.h"
/* clears the hash */ /* clears the hash */
static void batadv_hash_init(struct hashtable_t *hash) static void batadv_hash_init(struct batadv_hashtable *hash)
{ {
uint32_t i; uint32_t i;
for (i = 0 ; i < hash->size; i++) { for (i = 0; i < hash->size; i++) {
INIT_HLIST_HEAD(&hash->table[i]); INIT_HLIST_HEAD(&hash->table[i]);
spin_lock_init(&hash->list_locks[i]); spin_lock_init(&hash->list_locks[i]);
} }
} }
/* free only the hashtable and the hash itself. */ /* free only the hashtable and the hash itself. */
void batadv_hash_destroy(struct hashtable_t *hash) void batadv_hash_destroy(struct batadv_hashtable *hash)
{ {
kfree(hash->list_locks); kfree(hash->list_locks);
kfree(hash->table); kfree(hash->table);
@@ -40,9 +40,9 @@ void batadv_hash_destroy(struct hashtable_t *hash)
} }
/* allocates and clears the hash */ /* allocates and clears the hash */
struct hashtable_t *batadv_hash_new(uint32_t size) struct batadv_hashtable *batadv_hash_new(uint32_t size)
{ {
struct hashtable_t *hash; struct batadv_hashtable *hash;
hash = kmalloc(sizeof(*hash), GFP_ATOMIC); hash = kmalloc(sizeof(*hash), GFP_ATOMIC);
if (!hash) if (!hash)
@@ -68,7 +68,7 @@ free_hash:
return NULL; return NULL;
} }
void batadv_hash_set_lock_class(struct hashtable_t *hash, void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
struct lock_class_key *key) struct lock_class_key *key)
{ {
uint32_t i; uint32_t i;

33
net/batman-adv/hash.h
View File

@@ -25,37 +25,39 @@
/* callback to a compare function. should compare 2 element datas for their /* callback to a compare function. should compare 2 element datas for their
* keys, return 0 if same and not 0 if not same * keys, return 0 if same and not 0 if not same
*/ */
typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *); typedef int (*batadv_hashdata_compare_cb)(const struct hlist_node *,
const void *);
/* the hashfunction, should return an index /* the hashfunction, should return an index
* based on the key in the data of the first * based on the key in the data of the first
* argument and the size the second * argument and the size the second
*/ */
typedef uint32_t (*hashdata_choose_cb)(const void *, uint32_t); typedef uint32_t (*batadv_hashdata_choose_cb)(const void *, uint32_t);
typedef void (*hashdata_free_cb)(struct hlist_node *, void *); typedef void (*batadv_hashdata_free_cb)(struct hlist_node *, void *);
struct hashtable_t { struct batadv_hashtable {
struct hlist_head *table; /* the hashtable itself with the buckets */ struct hlist_head *table; /* the hashtable itself with the buckets */
spinlock_t *list_locks; /* spinlock for each hash list entry */ spinlock_t *list_locks; /* spinlock for each hash list entry */
uint32_t size; /* size of hashtable */ uint32_t size; /* size of hashtable */
}; };
/* allocates and clears the hash */ /* allocates and clears the hash */
struct hashtable_t *batadv_hash_new(uint32_t size); struct batadv_hashtable *batadv_hash_new(uint32_t size);
/* set class key for all locks */ /* set class key for all locks */
void batadv_hash_set_lock_class(struct hashtable_t *hash, void batadv_hash_set_lock_class(struct batadv_hashtable *hash,
struct lock_class_key *key); struct lock_class_key *key);
/* free only the hashtable and the hash itself. */ /* free only the hashtable and the hash itself. */
void batadv_hash_destroy(struct hashtable_t *hash); void batadv_hash_destroy(struct batadv_hashtable *hash);
/* remove the hash structure. if hashdata_free_cb != NULL, this function will be /* remove the hash structure. if hashdata_free_cb != NULL, this function will be
* called to remove the elements inside of the hash. if you don't remove the * called to remove the elements inside of the hash. if you don't remove the
* elements, memory might be leaked. * elements, memory might be leaked.
*/ */
static inline void batadv_hash_delete(struct hashtable_t *hash, static inline void batadv_hash_delete(struct batadv_hashtable *hash,
hashdata_free_cb free_cb, void *arg) batadv_hashdata_free_cb free_cb,
void *arg)
{ {
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
@@ -89,9 +91,9 @@ static inline void batadv_hash_delete(struct hashtable_t *hash,
* Returns 0 on success, 1 if the element already is in the hash * Returns 0 on success, 1 if the element already is in the hash
* and -1 on error. * and -1 on error.
*/ */
static inline int batadv_hash_add(struct hashtable_t *hash, static inline int batadv_hash_add(struct batadv_hashtable *hash,
hashdata_compare_cb compare, batadv_hashdata_compare_cb compare,
hashdata_choose_cb choose, batadv_hashdata_choose_cb choose,
const void *data, const void *data,
struct hlist_node *data_node) struct hlist_node *data_node)
{ {
@@ -134,9 +136,10 @@ out:
* structure you use with just the key filled, we just need the key for * structure you use with just the key filled, we just need the key for
* comparing. * comparing.
*/ */
static inline void *batadv_hash_remove(struct hashtable_t *hash, static inline void *batadv_hash_remove(struct batadv_hashtable *hash,
hashdata_compare_cb compare, batadv_hashdata_compare_cb compare,
hashdata_choose_cb choose, void *data) batadv_hashdata_choose_cb choose,
void *data)
{ {
uint32_t index; uint32_t index;
struct hlist_node *node; struct hlist_node *node;

81
net/batman-adv/icmp_socket.c
View File

@@ -26,10 +26,10 @@
#include "originator.h" #include "originator.h"
#include "hard-interface.h" #include "hard-interface.h"
static struct socket_client *batadv_socket_client_hash[256]; static struct batadv_socket_client *batadv_socket_client_hash[256];
static void batadv_socket_add_packet(struct socket_client *socket_client, static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct icmp_packet_rr *icmp_packet, struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len); size_t icmp_len);
void batadv_socket_init(void) void batadv_socket_init(void)
@@ -40,7 +40,7 @@ void batadv_socket_init(void)
static int batadv_socket_open(struct inode *inode, struct file *file) static int batadv_socket_open(struct inode *inode, struct file *file)
{ {
unsigned int i; unsigned int i;
struct socket_client *socket_client; struct batadv_socket_client *socket_client;
nonseekable_open(inode, file); nonseekable_open(inode, file);
@@ -77,8 +77,8 @@ static int batadv_socket_open(struct inode *inode, struct file *file)
static int batadv_socket_release(struct inode *inode, struct file *file) static int batadv_socket_release(struct inode *inode, struct file *file)
{ {
struct socket_client *socket_client = file->private_data; struct batadv_socket_client *socket_client = file->private_data;
struct socket_packet *socket_packet; struct batadv_socket_packet *socket_packet;
struct list_head *list_pos, *list_pos_tmp; struct list_head *list_pos, *list_pos_tmp;
spin_lock_bh(&socket_client->lock); spin_lock_bh(&socket_client->lock);
@@ -86,7 +86,7 @@ static int batadv_socket_release(struct inode *inode, struct file *file)
/* for all packets in the queue ... */ /* for all packets in the queue ... */
list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) { list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) {
socket_packet = list_entry(list_pos, socket_packet = list_entry(list_pos,
struct socket_packet, list); struct batadv_socket_packet, list);
list_del(list_pos); list_del(list_pos);
kfree(socket_packet); kfree(socket_packet);
@@ -104,15 +104,15 @@ static int batadv_socket_release(struct inode *inode, struct file *file)
static ssize_t batadv_socket_read(struct file *file, char __user *buf, static ssize_t batadv_socket_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct socket_client *socket_client = file->private_data; struct batadv_socket_client *socket_client = file->private_data;
struct socket_packet *socket_packet; struct batadv_socket_packet *socket_packet;
size_t packet_len; size_t packet_len;
int error; int error;
if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0)) if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0))
return -EAGAIN; return -EAGAIN;
if ((!buf) || (count < sizeof(struct icmp_packet))) if ((!buf) || (count < sizeof(struct batadv_icmp_packet)))
return -EINVAL; return -EINVAL;
if (!access_ok(VERIFY_WRITE, buf, count)) if (!access_ok(VERIFY_WRITE, buf, count))
@@ -127,7 +127,7 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
spin_lock_bh(&socket_client->lock); spin_lock_bh(&socket_client->lock);
socket_packet = list_first_entry(&socket_client->queue_list, socket_packet = list_first_entry(&socket_client->queue_list,
struct socket_packet, list); struct batadv_socket_packet, list);
list_del(&socket_packet->list); list_del(&socket_packet->list);
socket_client->queue_len--; socket_client->queue_len--;
@@ -147,18 +147,18 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
static ssize_t batadv_socket_write(struct file *file, const char __user *buff, static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
size_t len, loff_t *off) size_t len, loff_t *off)
{ {
struct socket_client *socket_client = file->private_data; struct batadv_socket_client *socket_client = file->private_data;
struct bat_priv *bat_priv = socket_client->bat_priv; struct batadv_priv *bat_priv = socket_client->bat_priv;
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct sk_buff *skb; struct sk_buff *skb;
struct icmp_packet_rr *icmp_packet; struct batadv_icmp_packet_rr *icmp_packet;
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL; struct batadv_neigh_node *neigh_node = NULL;
size_t packet_len = sizeof(struct icmp_packet); size_t packet_len = sizeof(struct batadv_icmp_packet);
if (len < sizeof(struct icmp_packet)) { if (len < sizeof(struct batadv_icmp_packet)) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: invalid packet size\n"); "Error - can't send packet from char device: invalid packet size\n");
return -EINVAL; return -EINVAL;
} }
@@ -170,8 +170,8 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out; goto out;
} }
if (len >= sizeof(struct icmp_packet_rr)) if (len >= sizeof(struct batadv_icmp_packet_rr))
packet_len = sizeof(struct icmp_packet_rr); packet_len = sizeof(struct batadv_icmp_packet_rr);
skb = dev_alloc_skb(packet_len + ETH_HLEN); skb = dev_alloc_skb(packet_len + ETH_HLEN);
if (!skb) { if (!skb) {
@@ -180,22 +180,22 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
} }
skb_reserve(skb, ETH_HLEN); skb_reserve(skb, ETH_HLEN);
icmp_packet = (struct icmp_packet_rr *)skb_put(skb, packet_len); icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len);
if (copy_from_user(icmp_packet, buff, packet_len)) { if (copy_from_user(icmp_packet, buff, packet_len)) {
len = -EFAULT; len = -EFAULT;
goto free_skb; goto free_skb;
} }
if (icmp_packet->header.packet_type != BAT_ICMP) { if (icmp_packet->header.packet_type != BATADV_ICMP) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n"); "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
len = -EINVAL; len = -EINVAL;
goto free_skb; goto free_skb;
} }
if (icmp_packet->msg_type != ECHO_REQUEST) { if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n"); "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
len = -EINVAL; len = -EINVAL;
goto free_skb; goto free_skb;
@@ -204,14 +204,14 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
icmp_packet->uid = socket_client->index; icmp_packet->uid = socket_client->index;
if (icmp_packet->header.version != BATADV_COMPAT_VERSION) { if (icmp_packet->header.version != BATADV_COMPAT_VERSION) {
icmp_packet->msg_type = PARAMETER_PROBLEM; icmp_packet->msg_type = BATADV_PARAMETER_PROBLEM;
icmp_packet->header.version = BATADV_COMPAT_VERSION; icmp_packet->header.version = BATADV_COMPAT_VERSION;
batadv_socket_add_packet(socket_client, icmp_packet, batadv_socket_add_packet(socket_client, icmp_packet,
packet_len); packet_len);
goto free_skb; goto free_skb;
} }
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dst_unreach; goto dst_unreach;
orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->dst); orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->dst);
@@ -225,13 +225,13 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
if (!neigh_node->if_incoming) if (!neigh_node->if_incoming)
goto dst_unreach; goto dst_unreach;
if (neigh_node->if_incoming->if_status != IF_ACTIVE) if (neigh_node->if_incoming->if_status != BATADV_IF_ACTIVE)
goto dst_unreach; goto dst_unreach;
memcpy(icmp_packet->orig, memcpy(icmp_packet->orig,
primary_if->net_dev->dev_addr, ETH_ALEN); primary_if->net_dev->dev_addr, ETH_ALEN);
if (packet_len == sizeof(struct icmp_packet_rr)) if (packet_len == sizeof(struct batadv_icmp_packet_rr))
memcpy(icmp_packet->rr, memcpy(icmp_packet->rr,
neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN); neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN);
@@ -239,7 +239,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff,
goto out; goto out;
dst_unreach: dst_unreach:
icmp_packet->msg_type = DESTINATION_UNREACHABLE; icmp_packet->msg_type = BATADV_DESTINATION_UNREACHABLE;
batadv_socket_add_packet(socket_client, icmp_packet, packet_len); batadv_socket_add_packet(socket_client, icmp_packet, packet_len);
free_skb: free_skb:
kfree_skb(skb); kfree_skb(skb);
@@ -255,7 +255,7 @@ out:
static unsigned int batadv_socket_poll(struct file *file, poll_table *wait) static unsigned int batadv_socket_poll(struct file *file, poll_table *wait)
{ {
struct socket_client *socket_client = file->private_data; struct batadv_socket_client *socket_client = file->private_data;
poll_wait(file, &socket_client->queue_wait, wait); poll_wait(file, &socket_client->queue_wait, wait);
@@ -275,7 +275,7 @@ static const struct file_operations batadv_fops = {
.llseek = no_llseek, .llseek = no_llseek,
}; };
int batadv_socket_setup(struct bat_priv *bat_priv) int batadv_socket_setup(struct batadv_priv *bat_priv)
{ {
struct dentry *d; struct dentry *d;
@@ -293,11 +293,11 @@ err:
return -ENOMEM; return -ENOMEM;
} }
static void batadv_socket_add_packet(struct socket_client *socket_client, static void batadv_socket_add_packet(struct batadv_socket_client *socket_client,
struct icmp_packet_rr *icmp_packet, struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len) size_t icmp_len)
{ {
struct socket_packet *socket_packet; struct batadv_socket_packet *socket_packet;
socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC); socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
@@ -324,7 +324,8 @@ static void batadv_socket_add_packet(struct socket_client *socket_client,
if (socket_client->queue_len > 100) { if (socket_client->queue_len > 100) {
socket_packet = list_first_entry(&socket_client->queue_list, socket_packet = list_first_entry(&socket_client->queue_list,
struct socket_packet, list); struct batadv_socket_packet,
list);
list_del(&socket_packet->list); list_del(&socket_packet->list);
kfree(socket_packet); kfree(socket_packet);
@@ -336,10 +337,10 @@ static void batadv_socket_add_packet(struct socket_client *socket_client,
wake_up(&socket_client->queue_wait); wake_up(&socket_client->queue_wait);
} }
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet, void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len) size_t icmp_len)
{ {
struct socket_client *hash; struct batadv_socket_client *hash;
hash = batadv_socket_client_hash[icmp_packet->uid]; hash = batadv_socket_client_hash[icmp_packet->uid];
if (hash) if (hash)

4
net/batman-adv/icmp_socket.h
View File

@@ -23,8 +23,8 @@
#define BATADV_ICMP_SOCKET "socket" #define BATADV_ICMP_SOCKET "socket"
void batadv_socket_init(void); void batadv_socket_init(void);
int batadv_socket_setup(struct bat_priv *bat_priv); int batadv_socket_setup(struct batadv_priv *bat_priv);
void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet, void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet,
size_t icmp_len); size_t icmp_len);
#endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */ #endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */

82
net/batman-adv/main.c
View File

@@ -18,8 +18,8 @@
*/ */
#include "main.h" #include "main.h"
#include "bat_sysfs.h" #include "sysfs.h"
#include "bat_debugfs.h" #include "debugfs.h"
#include "routing.h" #include "routing.h"
#include "send.h" #include "send.h"
#include "originator.h" #include "originator.h"
@@ -39,7 +39,7 @@
*/ */
struct list_head batadv_hardif_list; struct list_head batadv_hardif_list;
static int (*batadv_rx_handler[256])(struct sk_buff *, static int (*batadv_rx_handler[256])(struct sk_buff *,
struct hard_iface *); struct batadv_hard_iface *);
char batadv_routing_algo[20] = "BATMAN_IV"; char batadv_routing_algo[20] = "BATMAN_IV";
static struct hlist_head batadv_algo_list; static struct hlist_head batadv_algo_list;
@@ -92,7 +92,7 @@ static void __exit batadv_exit(void)
int batadv_mesh_init(struct net_device *soft_iface) int batadv_mesh_init(struct net_device *soft_iface)
{ {
struct bat_priv *bat_priv = netdev_priv(soft_iface); struct batadv_priv *bat_priv = netdev_priv(soft_iface);
int ret; int ret;
spin_lock_init(&bat_priv->forw_bat_list_lock); spin_lock_init(&bat_priv->forw_bat_list_lock);
@@ -132,7 +132,7 @@ int batadv_mesh_init(struct net_device *soft_iface)
goto err; goto err;
atomic_set(&bat_priv->gw_reselect, 0); atomic_set(&bat_priv->gw_reselect, 0);
atomic_set(&bat_priv->mesh_state, MESH_ACTIVE); atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE);
return 0; return 0;
@@ -143,9 +143,9 @@ err:
void batadv_mesh_free(struct net_device *soft_iface) void batadv_mesh_free(struct net_device *soft_iface)
{ {
struct bat_priv *bat_priv = netdev_priv(soft_iface); struct batadv_priv *bat_priv = netdev_priv(soft_iface);
atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING); atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING);
batadv_purge_outstanding_packets(bat_priv, NULL); batadv_purge_outstanding_packets(bat_priv, NULL);
@@ -160,7 +160,7 @@ void batadv_mesh_free(struct net_device *soft_iface)
free_percpu(bat_priv->bat_counters); free_percpu(bat_priv->bat_counters);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
} }
void batadv_inc_module_count(void) void batadv_inc_module_count(void)
@@ -175,11 +175,11 @@ void batadv_dec_module_count(void)
int batadv_is_my_mac(const uint8_t *addr) int batadv_is_my_mac(const uint8_t *addr)
{ {
const struct hard_iface *hard_iface; const struct batadv_hard_iface *hard_iface;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {
if (hard_iface->if_status != IF_ACTIVE) if (hard_iface->if_status != BATADV_IF_ACTIVE)
continue; continue;
if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) { if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) {
@@ -192,7 +192,7 @@ int batadv_is_my_mac(const uint8_t *addr)
} }
static int batadv_recv_unhandled_packet(struct sk_buff *skb, static int batadv_recv_unhandled_packet(struct sk_buff *skb,
struct hard_iface *recv_if) struct batadv_hard_iface *recv_if)
{ {
return NET_RX_DROP; return NET_RX_DROP;
} }
@@ -204,13 +204,14 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct packet_type *ptype,
struct net_device *orig_dev) struct net_device *orig_dev)
{ {
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
struct batman_ogm_packet *batman_ogm_packet; struct batadv_ogm_packet *batadv_ogm_packet;
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
uint8_t idx; uint8_t idx;
int ret; int ret;
hard_iface = container_of(ptype, struct hard_iface, batman_adv_ptype); hard_iface = container_of(ptype, struct batadv_hard_iface,
batman_adv_ptype);
skb = skb_share_check(skb, GFP_ATOMIC); skb = skb_share_check(skb, GFP_ATOMIC);
/* skb was released by skb_share_check() */ /* skb was released by skb_share_check() */
@@ -230,26 +231,26 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
bat_priv = netdev_priv(hard_iface->soft_iface); bat_priv = netdev_priv(hard_iface->soft_iface);
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto err_free; goto err_free;
/* discard frames on not active interfaces */ /* discard frames on not active interfaces */
if (hard_iface->if_status != IF_ACTIVE) if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto err_free; goto err_free;
batman_ogm_packet = (struct batman_ogm_packet *)skb->data; batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data;
if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) { if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Drop packet: incompatible batman version (%i)\n", "Drop packet: incompatible batman version (%i)\n",
batman_ogm_packet->header.version); batadv_ogm_packet->header.version);
goto err_free; goto err_free;
} }
/* all receive handlers return whether they received or reused /* all receive handlers return whether they received or reused
* the supplied skb. if not, we have to free the skb. * the supplied skb. if not, we have to free the skb.
*/ */
idx = batman_ogm_packet->header.packet_type; idx = batadv_ogm_packet->header.packet_type;
ret = (*batadv_rx_handler[idx])(skb, hard_iface); ret = (*batadv_rx_handler[idx])(skb, hard_iface);
if (ret == NET_RX_DROP) if (ret == NET_RX_DROP)
@@ -275,24 +276,25 @@ static void batadv_recv_handler_init(void)
batadv_rx_handler[i] = batadv_recv_unhandled_packet; batadv_rx_handler[i] = batadv_recv_unhandled_packet;
/* batman icmp packet */ /* batman icmp packet */
batadv_rx_handler[BAT_ICMP] = batadv_recv_icmp_packet; batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet;
/* unicast packet */ /* unicast packet */
batadv_rx_handler[BAT_UNICAST] = batadv_recv_unicast_packet; batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet;
/* fragmented unicast packet */ /* fragmented unicast packet */
batadv_rx_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_ucast_frag_packet;
/* broadcast packet */ /* broadcast packet */
batadv_rx_handler[BAT_BCAST] = batadv_recv_bcast_packet; batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet;
/* vis packet */ /* vis packet */
batadv_rx_handler[BAT_VIS] = batadv_recv_vis_packet; batadv_rx_handler[BATADV_VIS] = batadv_recv_vis_packet;
/* Translation table query (request or response) */ /* Translation table query (request or response) */
batadv_rx_handler[BAT_TT_QUERY] = batadv_recv_tt_query; batadv_rx_handler[BATADV_TT_QUERY] = batadv_recv_tt_query;
/* Roaming advertisement */ /* Roaming advertisement */
batadv_rx_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv; batadv_rx_handler[BATADV_ROAM_ADV] = batadv_recv_roam_adv;
} }
int batadv_recv_handler_register(uint8_t packet_type, int
int (*recv_handler)(struct sk_buff *, batadv_recv_handler_register(uint8_t packet_type,
struct hard_iface *)) int (*recv_handler)(struct sk_buff *,
struct batadv_hard_iface *))
{ {
if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet) if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet)
return -EBUSY; return -EBUSY;
@@ -306,9 +308,9 @@ void batadv_recv_handler_unregister(uint8_t packet_type)
batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet; batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet;
} }
static struct bat_algo_ops *batadv_algo_get(char *name) static struct batadv_algo_ops *batadv_algo_get(char *name)
{ {
struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp;
struct hlist_node *node; struct hlist_node *node;
hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) { hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) {
@@ -322,9 +324,9 @@ static struct bat_algo_ops *batadv_algo_get(char *name)
return bat_algo_ops; return bat_algo_ops;
} }
int batadv_algo_register(struct bat_algo_ops *bat_algo_ops) int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops)
{ {
struct bat_algo_ops *bat_algo_ops_tmp; struct batadv_algo_ops *bat_algo_ops_tmp;
int ret; int ret;
bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name); bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name);
@@ -356,9 +358,9 @@ out:
return ret; return ret;
} }
int batadv_algo_select(struct bat_priv *bat_priv, char *name) int batadv_algo_select(struct batadv_priv *bat_priv, char *name)
{ {
struct bat_algo_ops *bat_algo_ops; struct batadv_algo_ops *bat_algo_ops;
int ret = -EINVAL; int ret = -EINVAL;
bat_algo_ops = batadv_algo_get(name); bat_algo_ops = batadv_algo_get(name);
@@ -374,7 +376,7 @@ out:
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset) int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
{ {
struct bat_algo_ops *bat_algo_ops; struct batadv_algo_ops *bat_algo_ops;
struct hlist_node *node; struct hlist_node *node;
seq_printf(seq, "Available routing algorithms:\n"); seq_printf(seq, "Available routing algorithms:\n");
@@ -388,7 +390,7 @@ int batadv_algo_seq_print_text(struct seq_file *seq, void *offset)
static int batadv_param_set_ra(const char *val, const struct kernel_param *kp) static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{ {
struct bat_algo_ops *bat_algo_ops; struct batadv_algo_ops *bat_algo_ops;
char *algo_name = (char *)val; char *algo_name = (char *)val;
size_t name_len = strlen(algo_name); size_t name_len = strlen(algo_name);

63
net/batman-adv/main.h
View File

@@ -95,23 +95,23 @@
#define BATADV_RESET_PROTECTION_MS 30000 #define BATADV_RESET_PROTECTION_MS 30000
#define BATADV_EXPECTED_SEQNO_RANGE 65536 #define BATADV_EXPECTED_SEQNO_RANGE 65536
enum mesh_state { enum batadv_mesh_state {
MESH_INACTIVE, BATADV_MESH_INACTIVE,
MESH_ACTIVE, BATADV_MESH_ACTIVE,
MESH_DEACTIVATING BATADV_MESH_DEACTIVATING,
}; };
#define BATADV_BCAST_QUEUE_LEN 256 #define BATADV_BCAST_QUEUE_LEN 256
#define BATADV_BATMAN_QUEUE_LEN 256 #define BATADV_BATMAN_QUEUE_LEN 256
enum uev_action { enum batadv_uev_action {
UEV_ADD = 0, BATADV_UEV_ADD = 0,
UEV_DEL, BATADV_UEV_DEL,
UEV_CHANGE BATADV_UEV_CHANGE,
}; };
enum uev_type { enum batadv_uev_type {
UEV_GW = 0 BATADV_UEV_GW = 0,
}; };
#define BATADV_GW_THRESHOLD 50 #define BATADV_GW_THRESHOLD 50
@@ -124,12 +124,12 @@ enum uev_type {
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* all messages related to routing / flooding / broadcasting / etc */ /* all messages related to routing / flooding / broadcasting / etc */
enum dbg_level { enum batadv_dbg_level {
DBG_BATMAN = 1 << 0, BATADV_DBG_BATMAN = 1 << 0,
DBG_ROUTES = 1 << 1, /* route added / changed / deleted */ BATADV_DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
DBG_TT = 1 << 2, /* translation table operations */ BATADV_DBG_TT = 1 << 2, /* translation table operations */
DBG_BLA = 1 << 3, /* bridge loop avoidance */ BATADV_DBG_BLA = 1 << 3, /* bridge loop avoidance */
DBG_ALL = 15 BATADV_DBG_ALL = 15,
}; };
/* Kernel headers */ /* Kernel headers */
@@ -164,16 +164,17 @@ int batadv_is_my_mac(const uint8_t *addr);
int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct packet_type *ptype,
struct net_device *orig_dev); struct net_device *orig_dev);
int batadv_recv_handler_register(uint8_t packet_type, int
int (*recv_handler)(struct sk_buff *, batadv_recv_handler_register(uint8_t packet_type,
struct hard_iface *)); int (*recv_handler)(struct sk_buff *,
struct batadv_hard_iface *));
void batadv_recv_handler_unregister(uint8_t packet_type); void batadv_recv_handler_unregister(uint8_t packet_type);
int batadv_algo_register(struct bat_algo_ops *bat_algo_ops); int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops);
int batadv_algo_select(struct bat_priv *bat_priv, char *name); int batadv_algo_select(struct batadv_priv *bat_priv, char *name);
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset); int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
#ifdef CONFIG_BATMAN_ADV_DEBUG #ifdef CONFIG_BATMAN_ADV_DEBUG
int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...) int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
__printf(2, 3); __printf(2, 3);
#define batadv_dbg(type, bat_priv, fmt, arg...) \ #define batadv_dbg(type, bat_priv, fmt, arg...) \
@@ -185,7 +186,7 @@ __printf(2, 3);
#else /* !CONFIG_BATMAN_ADV_DEBUG */ #else /* !CONFIG_BATMAN_ADV_DEBUG */
__printf(3, 4) __printf(3, 4)
static inline void batadv_dbg(int type __always_unused, static inline void batadv_dbg(int type __always_unused,
struct bat_priv *bat_priv __always_unused, struct batadv_priv *bat_priv __always_unused,
const char *fmt __always_unused, ...) const char *fmt __always_unused, ...)
{ {
} }
@@ -194,15 +195,15 @@ static inline void batadv_dbg(int type __always_unused,
#define batadv_info(net_dev, fmt, arg...) \ #define batadv_info(net_dev, fmt, arg...) \
do { \ do { \
struct net_device *_netdev = (net_dev); \ struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \ struct batadv_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
pr_info("%s: " fmt, _netdev->name, ## arg); \ pr_info("%s: " fmt, _netdev->name, ## arg); \
} while (0) } while (0)
#define batadv_err(net_dev, fmt, arg...) \ #define batadv_err(net_dev, fmt, arg...) \
do { \ do { \
struct net_device *_netdev = (net_dev); \ struct net_device *_netdev = (net_dev); \
struct bat_priv *_batpriv = netdev_priv(_netdev); \ struct batadv_priv *_batpriv = netdev_priv(_netdev); \
batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \
pr_err("%s: " fmt, _netdev->name, ## arg); \ pr_err("%s: " fmt, _netdev->name, ## arg); \
} while (0) } while (0)
@@ -250,7 +251,7 @@ static inline bool batadv_has_timed_out(unsigned long timestamp,
#define batadv_seq_after(x, y) batadv_seq_before(y, x) #define batadv_seq_after(x, y) batadv_seq_before(y, x)
/* Stop preemption on local cpu while incrementing the counter */ /* Stop preemption on local cpu while incrementing the counter */
static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx, static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx,
size_t count) size_t count)
{ {
int cpu = get_cpu(); int cpu = get_cpu();
@@ -261,11 +262,11 @@ static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx,
#define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1) #define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1)
/* Sum and return the cpu-local counters for index 'idx' */ /* Sum and return the cpu-local counters for index 'idx' */
static inline uint64_t batadv_sum_counter(struct bat_priv *bat_priv, size_t idx) static inline uint64_t batadv_sum_counter(struct batadv_priv *bat_priv,
size_t idx)
{ {
uint64_t *counters; uint64_t *counters, sum = 0;
int cpu; int cpu;
int sum = 0;
for_each_possible_cpu(cpu) { for_each_possible_cpu(cpu) {
counters = per_cpu_ptr(bat_priv->bat_counters, cpu); counters = per_cpu_ptr(bat_priv->bat_counters, cpu);

149
net/batman-adv/originator.c
View File

@@ -30,7 +30,7 @@
static void batadv_purge_orig(struct work_struct *work); static void batadv_purge_orig(struct work_struct *work);
static void batadv_start_purge_timer(struct bat_priv *bat_priv) static void batadv_start_purge_timer(struct batadv_priv *bat_priv)
{ {
INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig); INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig);
queue_delayed_work(batadv_event_workqueue, queue_delayed_work(batadv_event_workqueue,
@@ -40,12 +40,13 @@ static void batadv_start_purge_timer(struct bat_priv *bat_priv)
/* returns 1 if they are the same originator */ /* returns 1 if they are the same originator */
static int batadv_compare_orig(const struct hlist_node *node, const void *data2) static int batadv_compare_orig(const struct hlist_node *node, const void *data2)
{ {
const void *data1 = container_of(node, struct orig_node, hash_entry); const void *data1 = container_of(node, struct batadv_orig_node,
hash_entry);
return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
} }
int batadv_originator_init(struct bat_priv *bat_priv) int batadv_originator_init(struct batadv_priv *bat_priv)
{ {
if (bat_priv->orig_hash) if (bat_priv->orig_hash)
return 0; return 0;
@@ -62,16 +63,17 @@ err:
return -ENOMEM; return -ENOMEM;
} }
void batadv_neigh_node_free_ref(struct neigh_node *neigh_node) void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node)
{ {
if (atomic_dec_and_test(&neigh_node->refcount)) if (atomic_dec_and_test(&neigh_node->refcount))
kfree_rcu(neigh_node, rcu); kfree_rcu(neigh_node, rcu);
} }
/* increases the refcounter of a found router */ /* increases the refcounter of a found router */
struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node) struct batadv_neigh_node *
batadv_orig_node_get_router(struct batadv_orig_node *orig_node)
{ {
struct neigh_node *router; struct batadv_neigh_node *router;
rcu_read_lock(); rcu_read_lock();
router = rcu_dereference(orig_node->router); router = rcu_dereference(orig_node->router);
@@ -83,12 +85,12 @@ struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node)
return router; return router;
} }
struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface, struct batadv_neigh_node *
const uint8_t *neigh_addr, batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
uint32_t seqno) const uint8_t *neigh_addr, uint32_t seqno)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct neigh_node *neigh_node; struct batadv_neigh_node *neigh_node;
neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC); neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC);
if (!neigh_node) if (!neigh_node)
@@ -102,7 +104,7 @@ struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface,
/* extra reference for return */ /* extra reference for return */
atomic_set(&neigh_node->refcount, 2); atomic_set(&neigh_node->refcount, 2);
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Creating new neighbor %pM, initial seqno %d\n", "Creating new neighbor %pM, initial seqno %d\n",
neigh_addr, seqno); neigh_addr, seqno);
@@ -113,10 +115,10 @@ out:
static void batadv_orig_node_free_rcu(struct rcu_head *rcu) static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
{ {
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node, *tmp_neigh_node; struct batadv_neigh_node *neigh_node, *tmp_neigh_node;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
orig_node = container_of(rcu, struct orig_node, rcu); orig_node = container_of(rcu, struct batadv_orig_node, rcu);
spin_lock_bh(&orig_node->neigh_list_lock); spin_lock_bh(&orig_node->neigh_list_lock);
@@ -146,19 +148,19 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
kfree(orig_node); kfree(orig_node);
} }
void batadv_orig_node_free_ref(struct orig_node *orig_node) void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node)
{ {
if (atomic_dec_and_test(&orig_node->refcount)) if (atomic_dec_and_test(&orig_node->refcount))
call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu); call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);
} }
void batadv_originator_free(struct bat_priv *bat_priv) void batadv_originator_free(struct batadv_priv *bat_priv)
{ {
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */ spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
uint32_t i; uint32_t i;
if (!hash) if (!hash)
@@ -188,10 +190,10 @@ void batadv_originator_free(struct bat_priv *bat_priv)
/* this function finds or creates an originator entry for the given /* this function finds or creates an originator entry for the given
* address if it does not exits * address if it does not exits
*/ */
struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv,
const uint8_t *addr) const uint8_t *addr)
{ {
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
int size; int size;
int hash_added; int hash_added;
unsigned long reset_time; unsigned long reset_time;
@@ -200,8 +202,8 @@ struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv,
if (orig_node) if (orig_node)
return orig_node; return orig_node;
batadv_dbg(DBG_BATMAN, bat_priv, "Creating new originator: %pM\n", batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
addr); "Creating new originator: %pM\n", addr);
orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC); orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC);
if (!orig_node) if (!orig_node)
@@ -264,15 +266,16 @@ free_orig_node:
return NULL; return NULL;
} }
static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv, static bool
struct orig_node *orig_node, batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
struct neigh_node **best_neigh_node) struct batadv_orig_node *orig_node,
struct batadv_neigh_node **best_neigh_node)
{ {
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct neigh_node *neigh_node; struct batadv_neigh_node *neigh_node;
bool neigh_purged = false; bool neigh_purged = false;
unsigned long last_seen; unsigned long last_seen;
struct hard_iface *if_incoming; struct batadv_hard_iface *if_incoming;
*best_neigh_node = NULL; *best_neigh_node = NULL;
@@ -286,19 +289,19 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
if_incoming = neigh_node->if_incoming; if_incoming = neigh_node->if_incoming;
if ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) || if ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) ||
(if_incoming->if_status == IF_INACTIVE) || (if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == IF_NOT_IN_USE) || (if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == IF_TO_BE_REMOVED)) { (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) {
if ((if_incoming->if_status == IF_INACTIVE) || if ((if_incoming->if_status == BATADV_IF_INACTIVE) ||
(if_incoming->if_status == IF_NOT_IN_USE) || (if_incoming->if_status == BATADV_IF_NOT_IN_USE) ||
(if_incoming->if_status == IF_TO_BE_REMOVED)) (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED))
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"neighbor purge: originator %pM, neighbor: %pM, iface: %s\n", "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n",
orig_node->orig, neigh_node->addr, orig_node->orig, neigh_node->addr,
if_incoming->net_dev->name); if_incoming->net_dev->name);
else else
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n", "neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n",
orig_node->orig, neigh_node->addr, orig_node->orig, neigh_node->addr,
jiffies_to_msecs(last_seen)); jiffies_to_msecs(last_seen));
@@ -319,14 +322,14 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv,
return neigh_purged; return neigh_purged;
} }
static bool batadv_purge_orig_node(struct bat_priv *bat_priv, static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
struct orig_node *orig_node) struct batadv_orig_node *orig_node)
{ {
struct neigh_node *best_neigh_node; struct batadv_neigh_node *best_neigh_node;
if (batadv_has_timed_out(orig_node->last_seen, if (batadv_has_timed_out(orig_node->last_seen,
2 * BATADV_PURGE_TIMEOUT)) { 2 * BATADV_PURGE_TIMEOUT)) {
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Originator timeout: originator %pM, last_seen %u\n", "Originator timeout: originator %pM, last_seen %u\n",
orig_node->orig, orig_node->orig,
jiffies_to_msecs(orig_node->last_seen)); jiffies_to_msecs(orig_node->last_seen));
@@ -341,13 +344,13 @@ static bool batadv_purge_orig_node(struct bat_priv *bat_priv,
return false; return false;
} }
static void _batadv_purge_orig(struct bat_priv *bat_priv) static void _batadv_purge_orig(struct batadv_priv *bat_priv)
{ {
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
spinlock_t *list_lock; /* spinlock to protect write access */ spinlock_t *list_lock; /* spinlock to protect write access */
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
uint32_t i; uint32_t i;
if (!hash) if (!hash)
@@ -383,16 +386,16 @@ static void _batadv_purge_orig(struct bat_priv *bat_priv)
static void batadv_purge_orig(struct work_struct *work) static void batadv_purge_orig(struct work_struct *work)
{ {
struct delayed_work *delayed_work = struct delayed_work *delayed_work;
container_of(work, struct delayed_work, work); struct batadv_priv *bat_priv;
struct bat_priv *bat_priv =
container_of(delayed_work, struct bat_priv, orig_work);
delayed_work = container_of(work, struct delayed_work, work);
bat_priv = container_of(delayed_work, struct batadv_priv, orig_work);
_batadv_purge_orig(bat_priv); _batadv_purge_orig(bat_priv);
batadv_start_purge_timer(bat_priv); batadv_start_purge_timer(bat_priv);
} }
void batadv_purge_orig_ref(struct bat_priv *bat_priv) void batadv_purge_orig_ref(struct batadv_priv *bat_priv)
{ {
_batadv_purge_orig(bat_priv); _batadv_purge_orig(bat_priv);
} }
@@ -400,16 +403,17 @@ void batadv_purge_orig_ref(struct bat_priv *bat_priv)
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
{ {
struct net_device *net_dev = (struct net_device *)seq->private; struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct neigh_node *neigh_node, *neigh_node_tmp; struct batadv_neigh_node *neigh_node, *neigh_node_tmp;
int batman_count = 0; int batman_count = 0;
int last_seen_secs; int last_seen_secs;
int last_seen_msecs; int last_seen_msecs;
unsigned long last_seen_jiffies;
uint32_t i; uint32_t i;
int ret = 0; int ret = 0;
@@ -422,7 +426,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
goto out; goto out;
} }
if (primary_if->if_status != IF_ACTIVE) { if (primary_if->if_status != BATADV_IF_ACTIVE) {
ret = seq_printf(seq, ret = seq_printf(seq,
"BATMAN mesh %s disabled - primary interface not active\n", "BATMAN mesh %s disabled - primary interface not active\n",
net_dev->name); net_dev->name);
@@ -448,10 +452,10 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset)
if (neigh_node->tq_avg == 0) if (neigh_node->tq_avg == 0)
goto next; goto next;
last_seen_secs = jiffies_to_msecs(jiffies - last_seen_jiffies = jiffies - orig_node->last_seen;
orig_node->last_seen) / 1000; last_seen_msecs = jiffies_to_msecs(last_seen_jiffies);
last_seen_msecs = jiffies_to_msecs(jiffies - last_seen_secs = last_seen_msecs / 1000;
orig_node->last_seen) % 1000; last_seen_msecs = last_seen_msecs % 1000;
seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:", seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:",
orig_node->orig, last_seen_secs, orig_node->orig, last_seen_secs,
@@ -484,7 +488,8 @@ out:
return ret; return ret;
} }
static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num) static int batadv_orig_node_add_if(struct batadv_orig_node *orig_node,
int max_if_num)
{ {
void *data_ptr; void *data_ptr;
size_t data_size, old_size; size_t data_size, old_size;
@@ -511,13 +516,14 @@ static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num)
return 0; return 0;
} }
int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num) int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
int max_if_num)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
uint32_t i; uint32_t i;
int ret; int ret;
@@ -546,7 +552,7 @@ err:
return -ENOMEM; return -ENOMEM;
} }
static int batadv_orig_node_del_if(struct orig_node *orig_node, static int batadv_orig_node_del_if(struct batadv_orig_node *orig_node,
int max_if_num, int del_if_num) int max_if_num, int del_if_num)
{ {
void *data_ptr = NULL; void *data_ptr = NULL;
@@ -594,14 +600,15 @@ free_own_sum:
return 0; return 0;
} }
int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num) int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
int max_if_num)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct hard_iface *hard_iface_tmp; struct batadv_hard_iface *hard_iface_tmp;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
uint32_t i; uint32_t i;
int ret; int ret;
@@ -627,7 +634,7 @@ int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num)
/* renumber remaining batman interfaces _inside_ of orig_hash_lock */ /* renumber remaining batman interfaces _inside_ of orig_hash_lock */
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) { list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) {
if (hard_iface_tmp->if_status == IF_NOT_IN_USE) if (hard_iface_tmp->if_status == BATADV_IF_NOT_IN_USE)
continue; continue;
if (hard_iface == hard_iface_tmp) if (hard_iface == hard_iface_tmp)

37
net/batman-adv/originator.h
View File

@@ -22,20 +22,23 @@
#include "hash.h" #include "hash.h"
int batadv_originator_init(struct bat_priv *bat_priv); int batadv_originator_init(struct batadv_priv *bat_priv);
void batadv_originator_free(struct bat_priv *bat_priv); void batadv_originator_free(struct batadv_priv *bat_priv);
void batadv_purge_orig_ref(struct bat_priv *bat_priv); void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
void batadv_orig_node_free_ref(struct orig_node *orig_node); void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node);
struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv,
const uint8_t *addr); const uint8_t *addr);
struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface, struct batadv_neigh_node *
const uint8_t *neigh_addr, batadv_neigh_node_new(struct batadv_hard_iface *hard_iface,
uint32_t seqno); const uint8_t *neigh_addr, uint32_t seqno);
void batadv_neigh_node_free_ref(struct neigh_node *neigh_node); void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node);
struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node); struct batadv_neigh_node *
batadv_orig_node_get_router(struct batadv_orig_node *orig_node);
int batadv_orig_seq_print_text(struct seq_file *seq, void *offset); int batadv_orig_seq_print_text(struct seq_file *seq, void *offset);
int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num); int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface,
int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num); int max_if_num);
int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface,
int max_if_num);
/* hashfunction to choose an entry in a hash table of given size /* hashfunction to choose an entry in a hash table of given size
@@ -60,13 +63,13 @@ static inline uint32_t batadv_choose_orig(const void *data, uint32_t size)
return hash % size; return hash % size;
} }
static inline struct orig_node *batadv_orig_hash_find(struct bat_priv *bat_priv, static inline struct batadv_orig_node *
const void *data) batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data)
{ {
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node; struct hlist_node *node;
struct orig_node *orig_node, *orig_node_tmp = NULL; struct batadv_orig_node *orig_node, *orig_node_tmp = NULL;
int index; int index;
if (!hash) if (!hash)

132
net/batman-adv/packet.h
View File

@@ -22,99 +22,99 @@
#define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ #define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */
enum bat_packettype { enum batadv_packettype {
BAT_IV_OGM = 0x01, BATADV_IV_OGM = 0x01,
BAT_ICMP = 0x02, BATADV_ICMP = 0x02,
BAT_UNICAST = 0x03, BATADV_UNICAST = 0x03,
BAT_BCAST = 0x04, BATADV_BCAST = 0x04,
BAT_VIS = 0x05, BATADV_VIS = 0x05,
BAT_UNICAST_FRAG = 0x06, BATADV_UNICAST_FRAG = 0x06,
BAT_TT_QUERY = 0x07, BATADV_TT_QUERY = 0x07,
BAT_ROAM_ADV = 0x08 BATADV_ROAM_ADV = 0x08,
}; };
/* this file is included by batctl which needs these defines */ /* this file is included by batctl which needs these defines */
#define BATADV_COMPAT_VERSION 14 #define BATADV_COMPAT_VERSION 14
enum batman_iv_flags { enum batadv_iv_flags {
NOT_BEST_NEXT_HOP = 1 << 3, BATADV_NOT_BEST_NEXT_HOP = 1 << 3,
PRIMARIES_FIRST_HOP = 1 << 4, BATADV_PRIMARIES_FIRST_HOP = 1 << 4,
VIS_SERVER = 1 << 5, BATADV_VIS_SERVER = 1 << 5,
DIRECTLINK = 1 << 6 BATADV_DIRECTLINK = 1 << 6,
}; };
/* ICMP message types */ /* ICMP message types */
enum icmp_packettype { enum batadv_icmp_packettype {
ECHO_REPLY = 0, BATADV_ECHO_REPLY = 0,
DESTINATION_UNREACHABLE = 3, BATADV_DESTINATION_UNREACHABLE = 3,
ECHO_REQUEST = 8, BATADV_ECHO_REQUEST = 8,
TTL_EXCEEDED = 11, BATADV_TTL_EXCEEDED = 11,
PARAMETER_PROBLEM = 12 BATADV_PARAMETER_PROBLEM = 12,
}; };
/* vis defines */ /* vis defines */
enum vis_packettype { enum batadv_vis_packettype {
VIS_TYPE_SERVER_SYNC = 0, BATADV_VIS_TYPE_SERVER_SYNC = 0,
VIS_TYPE_CLIENT_UPDATE = 1 BATADV_VIS_TYPE_CLIENT_UPDATE = 1,
}; };
/* fragmentation defines */ /* fragmentation defines */
enum unicast_frag_flags { enum batadv_unicast_frag_flags {
UNI_FRAG_HEAD = 1 << 0, BATADV_UNI_FRAG_HEAD = 1 << 0,
UNI_FRAG_LARGETAIL = 1 << 1 BATADV_UNI_FRAG_LARGETAIL = 1 << 1,
}; };
/* TT_QUERY subtypes */ /* TT_QUERY subtypes */
#define BATADV_TT_QUERY_TYPE_MASK 0x3 #define BATADV_TT_QUERY_TYPE_MASK 0x3
enum tt_query_packettype { enum batadv_tt_query_packettype {
TT_REQUEST = 0, BATADV_TT_REQUEST = 0,
TT_RESPONSE = 1 BATADV_TT_RESPONSE = 1,
}; };
/* TT_QUERY flags */ /* TT_QUERY flags */
enum tt_query_flags { enum batadv_tt_query_flags {
TT_FULL_TABLE = 1 << 2 BATADV_TT_FULL_TABLE = 1 << 2,
}; };
/* TT_CLIENT flags. /* BATADV_TT_CLIENT flags.
* Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
* 1 << 15 are used for local computation only * 1 << 15 are used for local computation only
*/ */
enum tt_client_flags { enum batadv_tt_client_flags {
TT_CLIENT_DEL = 1 << 0, BATADV_TT_CLIENT_DEL = 1 << 0,
TT_CLIENT_ROAM = 1 << 1, BATADV_TT_CLIENT_ROAM = 1 << 1,
TT_CLIENT_WIFI = 1 << 2, BATADV_TT_CLIENT_WIFI = 1 << 2,
TT_CLIENT_NOPURGE = 1 << 8, BATADV_TT_CLIENT_NOPURGE = 1 << 8,
TT_CLIENT_NEW = 1 << 9, BATADV_TT_CLIENT_NEW = 1 << 9,
TT_CLIENT_PENDING = 1 << 10 BATADV_TT_CLIENT_PENDING = 1 << 10,
}; };
/* claim frame types for the bridge loop avoidance */ /* claim frame types for the bridge loop avoidance */
enum bla_claimframe { enum batadv_bla_claimframe {
CLAIM_TYPE_ADD = 0x00, BATADV_CLAIM_TYPE_ADD = 0x00,
CLAIM_TYPE_DEL = 0x01, BATADV_CLAIM_TYPE_DEL = 0x01,
CLAIM_TYPE_ANNOUNCE = 0x02, BATADV_CLAIM_TYPE_ANNOUNCE = 0x02,
CLAIM_TYPE_REQUEST = 0x03 BATADV_CLAIM_TYPE_REQUEST = 0x03,
}; };
/* the destination hardware field in the ARP frame is used to /* the destination hardware field in the ARP frame is used to
* transport the claim type and the group id * transport the claim type and the group id
*/ */
struct bla_claim_dst { struct batadv_bla_claim_dst {
uint8_t magic[3]; /* FF:43:05 */ uint8_t magic[3]; /* FF:43:05 */
uint8_t type; /* bla_claimframe */ uint8_t type; /* bla_claimframe */
__be16 group; /* group id */ __be16 group; /* group id */
} __packed; } __packed;
struct batman_header { struct batadv_header {
uint8_t packet_type; uint8_t packet_type;
uint8_t version; /* batman version field */ uint8_t version; /* batman version field */
uint8_t ttl; uint8_t ttl;
} __packed; } __packed;
struct batman_ogm_packet { struct batadv_ogm_packet {
struct batman_header header; struct batadv_header header;
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
__be32 seqno; __be32 seqno;
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
@@ -126,10 +126,10 @@ struct batman_ogm_packet {
__be16 tt_crc; __be16 tt_crc;
} __packed; } __packed;
#define BATADV_OGM_HLEN sizeof(struct batman_ogm_packet) #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet)
struct icmp_packet { struct batadv_icmp_packet {
struct batman_header header; struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */ uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN]; uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
@@ -143,8 +143,8 @@ struct icmp_packet {
/* icmp_packet_rr must start with all fields from imcp_packet /* icmp_packet_rr must start with all fields from imcp_packet
* as this is assumed by code that handles ICMP packets * as this is assumed by code that handles ICMP packets
*/ */
struct icmp_packet_rr { struct batadv_icmp_packet_rr {
struct batman_header header; struct batadv_header header;
uint8_t msg_type; /* see ICMP message types above */ uint8_t msg_type; /* see ICMP message types above */
uint8_t dst[ETH_ALEN]; uint8_t dst[ETH_ALEN];
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
@@ -154,14 +154,14 @@ struct icmp_packet_rr {
uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; uint8_t rr[BATADV_RR_LEN][ETH_ALEN];
} __packed; } __packed;
struct unicast_packet { struct batadv_unicast_packet {
struct batman_header header; struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */ uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN]; uint8_t dest[ETH_ALEN];
} __packed; } __packed;
struct unicast_frag_packet { struct batadv_unicast_frag_packet {
struct batman_header header; struct batadv_header header;
uint8_t ttvn; /* destination translation table version number */ uint8_t ttvn; /* destination translation table version number */
uint8_t dest[ETH_ALEN]; uint8_t dest[ETH_ALEN];
uint8_t flags; uint8_t flags;
@@ -170,15 +170,15 @@ struct unicast_frag_packet {
__be16 seqno; __be16 seqno;
} __packed; } __packed;
struct bcast_packet { struct batadv_bcast_packet {
struct batman_header header; struct batadv_header header;
uint8_t reserved; uint8_t reserved;
__be32 seqno; __be32 seqno;
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
} __packed; } __packed;
struct vis_packet { struct batadv_vis_packet {
struct batman_header header; struct batadv_header header;
uint8_t vis_type; /* which type of vis-participant sent this? */ uint8_t vis_type; /* which type of vis-participant sent this? */
__be32 seqno; /* sequence number */ __be32 seqno; /* sequence number */
uint8_t entries; /* number of entries behind this struct */ uint8_t entries; /* number of entries behind this struct */
@@ -188,8 +188,8 @@ struct vis_packet {
uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */
} __packed; } __packed;
struct tt_query_packet { struct batadv_tt_query_packet {
struct batman_header header; struct batadv_header header;
/* the flag field is a combination of: /* the flag field is a combination of:
* - TT_REQUEST or TT_RESPONSE * - TT_REQUEST or TT_RESPONSE
* - TT_FULL_TABLE * - TT_FULL_TABLE
@@ -212,15 +212,15 @@ struct tt_query_packet {
__be16 tt_data; __be16 tt_data;
} __packed; } __packed;
struct roam_adv_packet { struct batadv_roam_adv_packet {
struct batman_header header; struct batadv_header header;
uint8_t reserved; uint8_t reserved;
uint8_t dst[ETH_ALEN]; uint8_t dst[ETH_ALEN];
uint8_t src[ETH_ALEN]; uint8_t src[ETH_ALEN];
uint8_t client[ETH_ALEN]; uint8_t client[ETH_ALEN];
} __packed; } __packed;
struct tt_change { struct batadv_tt_change {
uint8_t flags; uint8_t flags;
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
} __packed; } __packed;

300
net/batman-adv/routing.c
View File

@@ -30,15 +30,15 @@
#include "bridge_loop_avoidance.h" #include "bridge_loop_avoidance.h"
static int batadv_route_unicast_packet(struct sk_buff *skb, static int batadv_route_unicast_packet(struct sk_buff *skb,
struct hard_iface *recv_if); struct batadv_hard_iface *recv_if);
void batadv_slide_own_bcast_window(struct hard_iface *hard_iface) void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
unsigned long *word; unsigned long *word;
uint32_t i; uint32_t i;
size_t word_index; size_t word_index;
@@ -62,30 +62,30 @@ void batadv_slide_own_bcast_window(struct hard_iface *hard_iface)
} }
} }
static void _batadv_update_route(struct bat_priv *bat_priv, static void _batadv_update_route(struct batadv_priv *bat_priv,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
struct neigh_node *neigh_node) struct batadv_neigh_node *neigh_node)
{ {
struct neigh_node *curr_router; struct batadv_neigh_node *curr_router;
curr_router = batadv_orig_node_get_router(orig_node); curr_router = batadv_orig_node_get_router(orig_node);
/* route deleted */ /* route deleted */
if ((curr_router) && (!neigh_node)) { if ((curr_router) && (!neigh_node)) {
batadv_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n", batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
orig_node->orig); "Deleting route towards: %pM\n", orig_node->orig);
batadv_tt_global_del_orig(bat_priv, orig_node, batadv_tt_global_del_orig(bat_priv, orig_node,
"Deleted route towards originator"); "Deleted route towards originator");
/* route added */ /* route added */
} else if ((!curr_router) && (neigh_node)) { } else if ((!curr_router) && (neigh_node)) {
batadv_dbg(DBG_ROUTES, bat_priv, batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"Adding route towards: %pM (via %pM)\n", "Adding route towards: %pM (via %pM)\n",
orig_node->orig, neigh_node->addr); orig_node->orig, neigh_node->addr);
/* route changed */ /* route changed */
} else if (neigh_node && curr_router) { } else if (neigh_node && curr_router) {
batadv_dbg(DBG_ROUTES, bat_priv, batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"Changing route towards: %pM (now via %pM - was via %pM)\n", "Changing route towards: %pM (now via %pM - was via %pM)\n",
orig_node->orig, neigh_node->addr, orig_node->orig, neigh_node->addr,
curr_router->addr); curr_router->addr);
@@ -107,10 +107,11 @@ static void _batadv_update_route(struct bat_priv *bat_priv,
batadv_neigh_node_free_ref(curr_router); batadv_neigh_node_free_ref(curr_router);
} }
void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node, void batadv_update_route(struct batadv_priv *bat_priv,
struct neigh_node *neigh_node) struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node)
{ {
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
if (!orig_node) if (!orig_node)
goto out; goto out;
@@ -126,8 +127,8 @@ out:
} }
/* caller must hold the neigh_list_lock */ /* caller must hold the neigh_list_lock */
void batadv_bonding_candidate_del(struct orig_node *orig_node, void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node,
struct neigh_node *neigh_node) struct batadv_neigh_node *neigh_node)
{ {
/* this neighbor is not part of our candidate list */ /* this neighbor is not part of our candidate list */
if (list_empty(&neigh_node->bonding_list)) if (list_empty(&neigh_node->bonding_list))
@@ -142,11 +143,11 @@ out:
return; return;
} }
void batadv_bonding_candidate_add(struct orig_node *orig_node, void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node,
struct neigh_node *neigh_node) struct batadv_neigh_node *neigh_node)
{ {
struct hlist_node *node; struct hlist_node *node;
struct neigh_node *tmp_neigh_node, *router = NULL; struct batadv_neigh_node *tmp_neigh_node, *router = NULL;
uint8_t interference_candidate = 0; uint8_t interference_candidate = 0;
spin_lock_bh(&orig_node->neigh_list_lock); spin_lock_bh(&orig_node->neigh_list_lock);
@@ -215,11 +216,11 @@ out:
/* copy primary address for bonding */ /* copy primary address for bonding */
void void
batadv_bonding_save_primary(const struct orig_node *orig_node, batadv_bonding_save_primary(const struct batadv_orig_node *orig_node,
struct orig_node *orig_neigh_node, struct batadv_orig_node *orig_neigh_node,
const struct batman_ogm_packet *batman_ogm_packet) const struct batadv_ogm_packet *batman_ogm_packet)
{ {
if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP)) if (!(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP))
return; return;
memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN); memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN);
@@ -230,7 +231,7 @@ batadv_bonding_save_primary(const struct orig_node *orig_node,
* 0 if the packet is to be accepted * 0 if the packet is to be accepted
* 1 if the packet is to be ignored. * 1 if the packet is to be ignored.
*/ */
int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff,
unsigned long *last_reset) unsigned long *last_reset)
{ {
if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE || if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE ||
@@ -240,7 +241,7 @@ int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
return 1; return 1;
*last_reset = jiffies; *last_reset = jiffies;
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"old packet received, start protection\n"); "old packet received, start protection\n");
} }
@@ -248,7 +249,7 @@ int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
} }
bool batadv_check_management_packet(struct sk_buff *skb, bool batadv_check_management_packet(struct sk_buff *skb,
struct hard_iface *hard_iface, struct batadv_hard_iface *hard_iface,
int header_len) int header_len)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
@@ -278,19 +279,19 @@ bool batadv_check_management_packet(struct sk_buff *skb,
return true; return true;
} }
static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv, static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
struct sk_buff *skb, size_t icmp_len) struct sk_buff *skb, size_t icmp_len)
{ {
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
struct icmp_packet_rr *icmp_packet; struct batadv_icmp_packet_rr *icmp_packet;
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet_rr *)skb->data; icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add data to device queue */ /* add data to device queue */
if (icmp_packet->msg_type != ECHO_REQUEST) { if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
batadv_socket_receive_packet(icmp_packet, icmp_len); batadv_socket_receive_packet(icmp_packet, icmp_len);
goto out; goto out;
} }
@@ -313,11 +314,11 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0) if (skb_cow(skb, ETH_HLEN) < 0)
goto out; goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data; icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = ECHO_REPLY; icmp_packet->msg_type = BATADV_ECHO_REPLY;
icmp_packet->header.ttl = BATADV_TTL; icmp_packet->header.ttl = BATADV_TTL;
batadv_send_skb_packet(skb, router->if_incoming, router->addr); batadv_send_skb_packet(skb, router->if_incoming, router->addr);
@@ -333,19 +334,19 @@ out:
return ret; return ret;
} }
static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv,
struct sk_buff *skb) struct sk_buff *skb)
{ {
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
struct icmp_packet *icmp_packet; struct batadv_icmp_packet *icmp_packet;
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
icmp_packet = (struct icmp_packet *)skb->data; icmp_packet = (struct batadv_icmp_packet *)skb->data;
/* send TTL exceeded if packet is an echo request (traceroute) */ /* send TTL exceeded if packet is an echo request (traceroute) */
if (icmp_packet->msg_type != ECHO_REQUEST) { if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) {
pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n", pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n",
icmp_packet->orig, icmp_packet->dst); icmp_packet->orig, icmp_packet->dst);
goto out; goto out;
@@ -368,11 +369,11 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
if (skb_cow(skb, ETH_HLEN) < 0) if (skb_cow(skb, ETH_HLEN) < 0)
goto out; goto out;
icmp_packet = (struct icmp_packet *)skb->data; icmp_packet = (struct batadv_icmp_packet *)skb->data;
memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
icmp_packet->msg_type = TTL_EXCEEDED; icmp_packet->msg_type = BATADV_TTL_EXCEEDED;
icmp_packet->header.ttl = BATADV_TTL; icmp_packet->header.ttl = BATADV_TTL;
batadv_send_skb_packet(skb, router->if_incoming, router->addr); batadv_send_skb_packet(skb, router->if_incoming, router->addr);
@@ -389,19 +390,20 @@ out:
} }
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_icmp_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct icmp_packet_rr *icmp_packet; struct batadv_icmp_packet_rr *icmp_packet;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
int hdr_size = sizeof(struct icmp_packet); int hdr_size = sizeof(struct batadv_icmp_packet);
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
/* we truncate all incoming icmp packets if they don't match our size */ /* we truncate all incoming icmp packets if they don't match our size */
if (skb->len >= sizeof(struct icmp_packet_rr)) if (skb->len >= sizeof(struct batadv_icmp_packet_rr))
hdr_size = sizeof(struct icmp_packet_rr); hdr_size = sizeof(struct batadv_icmp_packet_rr);
/* drop packet if it has not necessary minimum size */ /* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, hdr_size))) if (unlikely(!pskb_may_pull(skb, hdr_size)))
@@ -421,10 +423,10 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_is_my_mac(ethhdr->h_dest)) if (!batadv_is_my_mac(ethhdr->h_dest))
goto out; goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data; icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* add record route information if not full */ /* add record route information if not full */
if ((hdr_size == sizeof(struct icmp_packet_rr)) && if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) &&
(icmp_packet->rr_cur < BATADV_RR_LEN)) { (icmp_packet->rr_cur < BATADV_RR_LEN)) {
memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]), memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
ethhdr->h_dest, ETH_ALEN); ethhdr->h_dest, ETH_ALEN);
@@ -452,7 +454,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_cow(skb, ETH_HLEN) < 0) if (skb_cow(skb, ETH_HLEN) < 0)
goto out; goto out;
icmp_packet = (struct icmp_packet_rr *)skb->data; icmp_packet = (struct batadv_icmp_packet_rr *)skb->data;
/* decrement ttl */ /* decrement ttl */
icmp_packet->header.ttl--; icmp_packet->header.ttl--;
@@ -475,12 +477,12 @@ out:
* This method rotates the bonding list and increases the * This method rotates the bonding list and increases the
* returned router's refcount. * returned router's refcount.
*/ */
static struct neigh_node * static struct batadv_neigh_node *
batadv_find_bond_router(struct orig_node *primary_orig, batadv_find_bond_router(struct batadv_orig_node *primary_orig,
const struct hard_iface *recv_if) const struct batadv_hard_iface *recv_if)
{ {
struct neigh_node *tmp_neigh_node; struct batadv_neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL; struct batadv_neigh_node *router = NULL, *first_candidate = NULL;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list, list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list,
@@ -530,12 +532,12 @@ out:
* *
* Increases the returned router's refcount * Increases the returned router's refcount
*/ */
static struct neigh_node * static struct batadv_neigh_node *
batadv_find_ifalter_router(struct orig_node *primary_orig, batadv_find_ifalter_router(struct batadv_orig_node *primary_orig,
const struct hard_iface *recv_if) const struct batadv_hard_iface *recv_if)
{ {
struct neigh_node *tmp_neigh_node; struct batadv_neigh_node *tmp_neigh_node;
struct neigh_node *router = NULL, *first_candidate = NULL; struct batadv_neigh_node *router = NULL, *first_candidate = NULL;
rcu_read_lock(); rcu_read_lock();
list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list, list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list,
@@ -577,20 +579,22 @@ batadv_find_ifalter_router(struct orig_node *primary_orig,
return router; return router;
} }
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct tt_query_packet *tt_query; struct batadv_tt_query_packet *tt_query;
uint16_t tt_size; uint16_t tt_size;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
char tt_flag; char tt_flag;
size_t packet_size;
/* drop packet if it has not necessary minimum size */ /* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet)))) if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_tt_query_packet))))
goto out; goto out;
/* I could need to modify it */ /* I could need to modify it */
if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0) if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
goto out; goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb); ethhdr = (struct ethhdr *)skb_mac_header(skb);
@@ -603,26 +607,30 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source)) if (is_broadcast_ether_addr(ethhdr->h_source))
goto out; goto out;
tt_query = (struct tt_query_packet *)skb->data; tt_query = (struct batadv_tt_query_packet *)skb->data;
switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) { switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) {
case TT_REQUEST: case BATADV_TT_REQUEST:
batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX); batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_RX);
/* If we cannot provide an answer the tt_request is /* If we cannot provide an answer the tt_request is
* forwarded * forwarded
*/ */
if (!batadv_send_tt_response(bat_priv, tt_query)) { if (!batadv_send_tt_response(bat_priv, tt_query)) {
tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.'; if (tt_query->flags & BATADV_TT_FULL_TABLE)
batadv_dbg(DBG_TT, bat_priv, tt_flag = 'F';
else
tt_flag = '.';
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Routing TT_REQUEST to %pM [%c]\n", "Routing TT_REQUEST to %pM [%c]\n",
tt_query->dst, tt_query->dst,
tt_flag); tt_flag);
return batadv_route_unicast_packet(skb, recv_if); return batadv_route_unicast_packet(skb, recv_if);
} }
break; break;
case TT_RESPONSE: case BATADV_TT_RESPONSE:
batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_RX); batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX);
if (batadv_is_my_mac(tt_query->dst)) { if (batadv_is_my_mac(tt_query->dst)) {
/* packet needs to be linearized to access the TT /* packet needs to be linearized to access the TT
@@ -631,19 +639,23 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
if (skb_linearize(skb) < 0) if (skb_linearize(skb) < 0)
goto out; goto out;
/* skb_linearize() possibly changed skb->data */ /* skb_linearize() possibly changed skb->data */
tt_query = (struct tt_query_packet *)skb->data; tt_query = (struct batadv_tt_query_packet *)skb->data;
tt_size = batadv_tt_len(ntohs(tt_query->tt_data)); tt_size = batadv_tt_len(ntohs(tt_query->tt_data));
/* Ensure we have all the claimed data */ /* Ensure we have all the claimed data */
if (unlikely(skb_headlen(skb) < packet_size = sizeof(struct batadv_tt_query_packet);
sizeof(struct tt_query_packet) + tt_size)) packet_size += tt_size;
if (unlikely(skb_headlen(skb) < packet_size))
goto out; goto out;
batadv_handle_tt_response(bat_priv, tt_query); batadv_handle_tt_response(bat_priv, tt_query);
} else { } else {
tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.'; if (tt_query->flags & BATADV_TT_FULL_TABLE)
batadv_dbg(DBG_TT, bat_priv, tt_flag = 'F';
else
tt_flag = '.';
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Routing TT_RESPONSE to %pM [%c]\n", "Routing TT_RESPONSE to %pM [%c]\n",
tt_query->dst, tt_query->dst,
tt_flag); tt_flag);
@@ -657,15 +669,16 @@ out:
return NET_RX_DROP; return NET_RX_DROP;
} }
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct roam_adv_packet *roam_adv_packet; struct batadv_roam_adv_packet *roam_adv_packet;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
/* drop packet if it has not necessary minimum size */ /* drop packet if it has not necessary minimum size */
if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet)))) if (unlikely(!pskb_may_pull(skb,
sizeof(struct batadv_roam_adv_packet))))
goto out; goto out;
ethhdr = (struct ethhdr *)skb_mac_header(skb); ethhdr = (struct ethhdr *)skb_mac_header(skb);
@@ -678,9 +691,9 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
if (is_broadcast_ether_addr(ethhdr->h_source)) if (is_broadcast_ether_addr(ethhdr->h_source))
goto out; goto out;
batadv_inc_counter(bat_priv, BAT_CNT_TT_ROAM_ADV_RX); batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
roam_adv_packet = (struct roam_adv_packet *)skb->data; roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
if (!batadv_is_my_mac(roam_adv_packet->dst)) if (!batadv_is_my_mac(roam_adv_packet->dst))
return batadv_route_unicast_packet(skb, recv_if); return batadv_route_unicast_packet(skb, recv_if);
@@ -696,12 +709,12 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
if (!orig_node) if (!orig_node)
goto out; goto out;
batadv_dbg(DBG_TT, bat_priv, batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received ROAMING_ADV from %pM (client %pM)\n", "Received ROAMING_ADV from %pM (client %pM)\n",
roam_adv_packet->src, roam_adv_packet->client); roam_adv_packet->src, roam_adv_packet->client);
batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client, batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
TT_CLIENT_ROAM, BATADV_TT_CLIENT_ROAM,
atomic_read(&orig_node->last_ttvn) + 1); atomic_read(&orig_node->last_ttvn) + 1);
/* Roaming phase starts: I have new information but the ttvn has not /* Roaming phase starts: I have new information but the ttvn has not
@@ -720,13 +733,14 @@ out:
* bonding if possible. increases the found neighbors * bonding if possible. increases the found neighbors
* refcount. * refcount.
*/ */
struct neigh_node *batadv_find_router(struct bat_priv *bat_priv, struct batadv_neigh_node *
struct orig_node *orig_node, batadv_find_router(struct batadv_priv *bat_priv,
const struct hard_iface *recv_if) struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *recv_if)
{ {
struct orig_node *primary_orig_node; struct batadv_orig_node *primary_orig_node;
struct orig_node *router_orig; struct batadv_orig_node *router_orig;
struct neigh_node *router; struct batadv_neigh_node *router;
static uint8_t zero_mac[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; static uint8_t zero_mac[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
int bonding_enabled; int bonding_enabled;
uint8_t *primary_addr; uint8_t *primary_addr;
@@ -792,7 +806,7 @@ struct neigh_node *batadv_find_router(struct bat_priv *bat_priv,
router = batadv_find_ifalter_router(primary_orig_node, recv_if); router = batadv_find_ifalter_router(primary_orig_node, recv_if);
return_router: return_router:
if (router && router->if_incoming->if_status != IF_ACTIVE) if (router && router->if_incoming->if_status != BATADV_IF_ACTIVE)
goto err_unlock; goto err_unlock;
rcu_read_unlock(); rcu_read_unlock();
@@ -831,17 +845,17 @@ static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
} }
static int batadv_route_unicast_packet(struct sk_buff *skb, static int batadv_route_unicast_packet(struct sk_buff *skb,
struct hard_iface *recv_if) struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct neigh_node *neigh_node = NULL; struct batadv_neigh_node *neigh_node = NULL;
struct unicast_packet *unicast_packet; struct batadv_unicast_packet *unicast_packet;
struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb);
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
struct sk_buff *new_skb; struct sk_buff *new_skb;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* TTL exceeded */ /* TTL exceeded */
if (unicast_packet->header.ttl < 2) { if (unicast_packet->header.ttl < 2) {
@@ -866,9 +880,9 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
if (skb_cow(skb, ETH_HLEN) < 0) if (skb_cow(skb, ETH_HLEN) < 0)
goto out; goto out;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (unicast_packet->header.packet_type == BAT_UNICAST && if (unicast_packet->header.packet_type == BATADV_UNICAST &&
atomic_read(&bat_priv->fragmentation) && atomic_read(&bat_priv->fragmentation) &&
skb->len > neigh_node->if_incoming->net_dev->mtu) { skb->len > neigh_node->if_incoming->net_dev->mtu) {
ret = batadv_frag_send_skb(skb, bat_priv, ret = batadv_frag_send_skb(skb, bat_priv,
@@ -877,7 +891,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
goto out; goto out;
} }
if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG && if (unicast_packet->header.packet_type == BATADV_UNICAST_FRAG &&
batadv_frag_can_reassemble(skb, batadv_frag_can_reassemble(skb,
neigh_node->if_incoming->net_dev->mtu)) { neigh_node->if_incoming->net_dev->mtu)) {
@@ -893,15 +907,15 @@ static int batadv_route_unicast_packet(struct sk_buff *skb,
} }
skb = new_skb; skb = new_skb;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
} }
/* decrement ttl */ /* decrement ttl */
unicast_packet->header.ttl--; unicast_packet->header.ttl--;
/* Update stats counter */ /* Update stats counter */
batadv_inc_counter(bat_priv, BAT_CNT_FORWARD); batadv_inc_counter(bat_priv, BATADV_CNT_FORWARD);
batadv_add_counter(bat_priv, BAT_CNT_FORWARD_BYTES, batadv_add_counter(bat_priv, BATADV_CNT_FORWARD_BYTES,
skb->len + ETH_HLEN); skb->len + ETH_HLEN);
/* route it */ /* route it */
@@ -916,21 +930,21 @@ out:
return ret; return ret;
} }
static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
struct sk_buff *skb) { struct sk_buff *skb) {
uint8_t curr_ttvn; uint8_t curr_ttvn;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct unicast_packet *unicast_packet; struct batadv_unicast_packet *unicast_packet;
bool tt_poss_change; bool tt_poss_change;
int is_old_ttvn; int is_old_ttvn;
/* I could need to modify it */ /* I could need to modify it */
if (skb_cow(skb, sizeof(struct unicast_packet)) < 0) if (skb_cow(skb, sizeof(struct batadv_unicast_packet)) < 0)
return 0; return 0;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (batadv_is_my_mac(unicast_packet->dest)) { if (batadv_is_my_mac(unicast_packet->dest)) {
tt_poss_change = bat_priv->tt_poss_change; tt_poss_change = bat_priv->tt_poss_change;
@@ -951,12 +965,11 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn); is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn);
if (is_old_ttvn || tt_poss_change) { if (is_old_ttvn || tt_poss_change) {
/* check if there is enough data before accessing it */ /* check if there is enough data before accessing it */
if (pskb_may_pull(skb, sizeof(struct unicast_packet) + if (pskb_may_pull(skb, sizeof(struct batadv_unicast_packet) +
ETH_HLEN) < 0) ETH_HLEN) < 0)
return 0; return 0;
ethhdr = (struct ethhdr *)(skb->data + ethhdr = (struct ethhdr *)(skb->data + sizeof(*unicast_packet));
sizeof(struct unicast_packet));
/* we don't have an updated route for this client, so we should /* we don't have an updated route for this client, so we should
* not try to reroute the packet!! * not try to reroute the packet!!
@@ -985,7 +998,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
batadv_orig_node_free_ref(orig_node); batadv_orig_node_free_ref(orig_node);
} }
batadv_dbg(DBG_ROUTES, bat_priv, batadv_dbg(BATADV_DBG_ROUTES, bat_priv,
"TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n", "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n",
unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest, unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
unicast_packet->dest); unicast_packet->dest);
@@ -995,10 +1008,11 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv,
return 1; return 1;
} }
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_packet *unicast_packet; struct batadv_unicast_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet); int hdr_size = sizeof(*unicast_packet);
if (batadv_check_unicast_packet(skb, hdr_size) < 0) if (batadv_check_unicast_packet(skb, hdr_size) < 0)
@@ -1007,7 +1021,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (!batadv_check_unicast_ttvn(bat_priv, skb)) if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP; return NET_RX_DROP;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
/* packet for me */ /* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) { if (batadv_is_my_mac(unicast_packet->dest)) {
@@ -1020,10 +1034,10 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
} }
int batadv_recv_ucast_frag_packet(struct sk_buff *skb, int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if) struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct unicast_frag_packet *unicast_packet; struct batadv_unicast_frag_packet *unicast_packet;
int hdr_size = sizeof(*unicast_packet); int hdr_size = sizeof(*unicast_packet);
struct sk_buff *new_skb = NULL; struct sk_buff *new_skb = NULL;
int ret; int ret;
@@ -1034,7 +1048,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
if (!batadv_check_unicast_ttvn(bat_priv, skb)) if (!batadv_check_unicast_ttvn(bat_priv, skb))
return NET_RX_DROP; return NET_RX_DROP;
unicast_packet = (struct unicast_frag_packet *)skb->data; unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
/* packet for me */ /* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) { if (batadv_is_my_mac(unicast_packet->dest)) {
@@ -1049,7 +1063,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
return NET_RX_SUCCESS; return NET_RX_SUCCESS;
batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if, batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
sizeof(struct unicast_packet)); sizeof(struct batadv_unicast_packet));
return NET_RX_SUCCESS; return NET_RX_SUCCESS;
} }
@@ -1057,11 +1071,12 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
} }
int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_bcast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{ {
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct orig_node *orig_node = NULL; struct batadv_orig_node *orig_node = NULL;
struct bcast_packet *bcast_packet; struct batadv_bcast_packet *bcast_packet;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
int hdr_size = sizeof(*bcast_packet); int hdr_size = sizeof(*bcast_packet);
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
@@ -1085,7 +1100,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (batadv_is_my_mac(ethhdr->h_source)) if (batadv_is_my_mac(ethhdr->h_source))
goto out; goto out;
bcast_packet = (struct bcast_packet *)skb->data; bcast_packet = (struct batadv_bcast_packet *)skb->data;
/* ignore broadcasts originated by myself */ /* ignore broadcasts originated by myself */
if (batadv_is_my_mac(bcast_packet->orig)) if (batadv_is_my_mac(bcast_packet->orig))
@@ -1147,11 +1162,12 @@ out:
return ret; return ret;
} }
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if) int batadv_recv_vis_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{ {
struct vis_packet *vis_packet; struct batadv_vis_packet *vis_packet;
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
int hdr_size = sizeof(*vis_packet); int hdr_size = sizeof(*vis_packet);
/* keep skb linear */ /* keep skb linear */
@@ -1161,7 +1177,7 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
if (unlikely(!pskb_may_pull(skb, hdr_size))) if (unlikely(!pskb_may_pull(skb, hdr_size)))
return NET_RX_DROP; return NET_RX_DROP;
vis_packet = (struct vis_packet *)skb->data; vis_packet = (struct batadv_vis_packet *)skb->data;
ethhdr = (struct ethhdr *)skb_mac_header(skb); ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* not for me */ /* not for me */
@@ -1176,12 +1192,12 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
return NET_RX_DROP; return NET_RX_DROP;
switch (vis_packet->vis_type) { switch (vis_packet->vis_type) {
case VIS_TYPE_SERVER_SYNC: case BATADV_VIS_TYPE_SERVER_SYNC:
batadv_receive_server_sync_packet(bat_priv, vis_packet, batadv_receive_server_sync_packet(bat_priv, vis_packet,
skb_headlen(skb)); skb_headlen(skb));
break; break;
case VIS_TYPE_CLIENT_UPDATE: case BATADV_VIS_TYPE_CLIENT_UPDATE:
batadv_receive_client_update_packet(bat_priv, vis_packet, batadv_receive_client_update_packet(bat_priv, vis_packet,
skb_headlen(skb)); skb_headlen(skb));
break; break;

52
net/batman-adv/routing.h
View File

@@ -20,32 +20,40 @@
#ifndef _NET_BATMAN_ADV_ROUTING_H_ #ifndef _NET_BATMAN_ADV_ROUTING_H_
#define _NET_BATMAN_ADV_ROUTING_H_ #define _NET_BATMAN_ADV_ROUTING_H_
void batadv_slide_own_bcast_window(struct hard_iface *hard_iface); void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface);
bool batadv_check_management_packet(struct sk_buff *skb, bool batadv_check_management_packet(struct sk_buff *skb,
struct hard_iface *hard_iface, struct batadv_hard_iface *hard_iface,
int header_len); int header_len);
void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node, void batadv_update_route(struct batadv_priv *bat_priv,
struct neigh_node *neigh_node); struct batadv_orig_node *orig_node,
int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if); struct batadv_neigh_node *neigh_node);
int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if); int batadv_recv_icmp_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if);
int batadv_recv_ucast_frag_packet(struct sk_buff *skb, int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
struct hard_iface *recv_if); struct batadv_hard_iface *recv_if);
int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if); int batadv_recv_bcast_packet(struct sk_buff *skb,
int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if); struct batadv_hard_iface *recv_if);
int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if); int batadv_recv_vis_packet(struct sk_buff *skb,
int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if); struct batadv_hard_iface *recv_if);
struct neigh_node *batadv_find_router(struct bat_priv *bat_priv, int batadv_recv_tt_query(struct sk_buff *skb,
struct orig_node *orig_node, struct batadv_hard_iface *recv_if);
const struct hard_iface *recv_if); int batadv_recv_roam_adv(struct sk_buff *skb,
void batadv_bonding_candidate_del(struct orig_node *orig_node, struct batadv_hard_iface *recv_if);
struct neigh_node *neigh_node); struct batadv_neigh_node *
void batadv_bonding_candidate_add(struct orig_node *orig_node, batadv_find_router(struct batadv_priv *bat_priv,
struct neigh_node *neigh_node); struct batadv_orig_node *orig_node,
void batadv_bonding_save_primary(const struct orig_node *orig_node, const struct batadv_hard_iface *recv_if);
struct orig_node *orig_neigh_node, void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node,
const struct batman_ogm_packet struct batadv_neigh_node *neigh_node);
void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node,
struct batadv_neigh_node *neigh_node);
void batadv_bonding_save_primary(const struct batadv_orig_node *orig_node,
struct batadv_orig_node *orig_neigh_node,
const struct batadv_ogm_packet
*batman_ogm_packet); *batman_ogm_packet);
int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff,
unsigned long *last_reset); unsigned long *last_reset);
#endif /* _NET_BATMAN_ADV_ROUTING_H_ */ #endif /* _NET_BATMAN_ADV_ROUTING_H_ */

75
net/batman-adv/send.c
View File

@@ -32,12 +32,13 @@ static void batadv_send_outstanding_bcast_packet(struct work_struct *work);
/* send out an already prepared packet to the given address via the /* send out an already prepared packet to the given address via the
* specified batman interface * specified batman interface
*/ */
int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, int batadv_send_skb_packet(struct sk_buff *skb,
struct batadv_hard_iface *hard_iface,
const uint8_t *dst_addr) const uint8_t *dst_addr)
{ {
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
if (hard_iface->if_status != IF_ACTIVE) if (hard_iface->if_status != BATADV_IF_ACTIVE)
goto send_skb_err; goto send_skb_err;
if (unlikely(!hard_iface->net_dev)) if (unlikely(!hard_iface->net_dev))
@@ -76,12 +77,12 @@ send_skb_err:
return NET_XMIT_DROP; return NET_XMIT_DROP;
} }
void batadv_schedule_bat_ogm(struct hard_iface *hard_iface) void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface)
{ {
struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
if ((hard_iface->if_status == IF_NOT_IN_USE) || if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) ||
(hard_iface->if_status == IF_TO_BE_REMOVED)) (hard_iface->if_status == BATADV_IF_TO_BE_REMOVED))
return; return;
/* the interface gets activated here to avoid race conditions between /* the interface gets activated here to avoid race conditions between
@@ -90,13 +91,13 @@ void batadv_schedule_bat_ogm(struct hard_iface *hard_iface)
* outdated packets (especially uninitialized mac addresses) in the * outdated packets (especially uninitialized mac addresses) in the
* packet queue * packet queue
*/ */
if (hard_iface->if_status == IF_TO_BE_ACTIVATED) if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED)
hard_iface->if_status = IF_ACTIVE; hard_iface->if_status = BATADV_IF_ACTIVE;
bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface); bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface);
} }
static void batadv_forw_packet_free(struct forw_packet *forw_packet) static void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet)
{ {
if (forw_packet->skb) if (forw_packet->skb)
kfree_skb(forw_packet->skb); kfree_skb(forw_packet->skb);
@@ -105,9 +106,10 @@ static void batadv_forw_packet_free(struct forw_packet *forw_packet)
kfree(forw_packet); kfree(forw_packet);
} }
static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, static void
struct forw_packet *forw_packet, _batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
unsigned long send_time) struct batadv_forw_packet *forw_packet,
unsigned long send_time)
{ {
INIT_HLIST_NODE(&forw_packet->list); INIT_HLIST_NODE(&forw_packet->list);
@@ -132,17 +134,18 @@ static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
* The skb is not consumed, so the caller should make sure that the * The skb is not consumed, so the caller should make sure that the
* skb is freed. * skb is freed.
*/ */
int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
const struct sk_buff *skb, const struct sk_buff *skb,
unsigned long delay) unsigned long delay)
{ {
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct forw_packet *forw_packet; struct batadv_forw_packet *forw_packet;
struct bcast_packet *bcast_packet; struct batadv_bcast_packet *bcast_packet;
struct sk_buff *newskb; struct sk_buff *newskb;
if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) { if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n"); batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"bcast packet queue full\n");
goto out; goto out;
} }
@@ -160,7 +163,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv,
goto packet_free; goto packet_free;
/* as we have a copy now, it is safe to decrease the TTL */ /* as we have a copy now, it is safe to decrease the TTL */
bcast_packet = (struct bcast_packet *)newskb->data; bcast_packet = (struct batadv_bcast_packet *)newskb->data;
bcast_packet->header.ttl--; bcast_packet->header.ttl--;
skb_reset_mac_header(newskb); skb_reset_mac_header(newskb);
@@ -186,20 +189,24 @@ out:
static void batadv_send_outstanding_bcast_packet(struct work_struct *work) static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
{ {
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
struct delayed_work *delayed_work = struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work); container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet = struct batadv_forw_packet *forw_packet;
container_of(delayed_work, struct forw_packet, delayed_work);
struct sk_buff *skb1; struct sk_buff *skb1;
struct net_device *soft_iface = forw_packet->if_incoming->soft_iface; struct net_device *soft_iface;
struct bat_priv *bat_priv = netdev_priv(soft_iface); struct batadv_priv *bat_priv;
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
soft_iface = forw_packet->if_incoming->soft_iface;
bat_priv = netdev_priv(soft_iface);
spin_lock_bh(&bat_priv->forw_bcast_list_lock); spin_lock_bh(&bat_priv->forw_bcast_list_lock);
hlist_del(&forw_packet->list); hlist_del(&forw_packet->list);
spin_unlock_bh(&bat_priv->forw_bcast_list_lock); spin_unlock_bh(&bat_priv->forw_bcast_list_lock);
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING)
goto out; goto out;
/* rebroadcast packet */ /* rebroadcast packet */
@@ -234,16 +241,17 @@ void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work)
{ {
struct delayed_work *delayed_work = struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work); container_of(work, struct delayed_work, work);
struct forw_packet *forw_packet = struct batadv_forw_packet *forw_packet;
container_of(delayed_work, struct forw_packet, delayed_work); struct batadv_priv *bat_priv;
struct bat_priv *bat_priv;
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface); bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface);
spin_lock_bh(&bat_priv->forw_bat_list_lock); spin_lock_bh(&bat_priv->forw_bat_list_lock);
hlist_del(&forw_packet->list); hlist_del(&forw_packet->list);
spin_unlock_bh(&bat_priv->forw_bat_list_lock); spin_unlock_bh(&bat_priv->forw_bat_list_lock);
if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING)
goto out; goto out;
bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet); bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet);
@@ -263,19 +271,20 @@ out:
batadv_forw_packet_free(forw_packet); batadv_forw_packet_free(forw_packet);
} }
void batadv_purge_outstanding_packets(struct bat_priv *bat_priv, void
const struct hard_iface *hard_iface) batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
const struct batadv_hard_iface *hard_iface)
{ {
struct forw_packet *forw_packet; struct batadv_forw_packet *forw_packet;
struct hlist_node *tmp_node, *safe_tmp_node; struct hlist_node *tmp_node, *safe_tmp_node;
bool pending; bool pending;
if (hard_iface) if (hard_iface)
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"purge_outstanding_packets(): %s\n", "purge_outstanding_packets(): %s\n",
hard_iface->net_dev->name); hard_iface->net_dev->name);
else else
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"purge_outstanding_packets()\n"); "purge_outstanding_packets()\n");
/* free bcast list */ /* free bcast list */

12
net/batman-adv/send.h
View File

@@ -20,14 +20,16 @@
#ifndef _NET_BATMAN_ADV_SEND_H_ #ifndef _NET_BATMAN_ADV_SEND_H_
#define _NET_BATMAN_ADV_SEND_H_ #define _NET_BATMAN_ADV_SEND_H_
int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, int batadv_send_skb_packet(struct sk_buff *skb,
struct batadv_hard_iface *hard_iface,
const uint8_t *dst_addr); const uint8_t *dst_addr);
void batadv_schedule_bat_ogm(struct hard_iface *hard_iface); void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
const struct sk_buff *skb, const struct sk_buff *skb,
unsigned long delay); unsigned long delay);
void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
void batadv_purge_outstanding_packets(struct bat_priv *bat_priv, void
const struct hard_iface *hard_iface); batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
const struct batadv_hard_iface *hard_iface);
#endif /* _NET_BATMAN_ADV_SEND_H_ */ #endif /* _NET_BATMAN_ADV_SEND_H_ */

55
net/batman-adv/soft-interface.c
View File

@@ -22,12 +22,12 @@
#include "hard-interface.h" #include "hard-interface.h"
#include "routing.h" #include "routing.h"
#include "send.h" #include "send.h"
#include "bat_debugfs.h" #include "debugfs.h"
#include "translation-table.h" #include "translation-table.h"
#include "hash.h" #include "hash.h"
#include "gateway_common.h" #include "gateway_common.h"
#include "gateway_client.h" #include "gateway_client.h"
#include "bat_sysfs.h" #include "sysfs.h"
#include "originator.h" #include "originator.h"
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/ethtool.h> #include <linux/ethtool.h>
@@ -92,20 +92,20 @@ static int batadv_interface_release(struct net_device *dev)
static struct net_device_stats *batadv_interface_stats(struct net_device *dev) static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
return &bat_priv->stats; return &bat_priv->stats;
} }
static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p; struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data)) if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL; return -EADDRNOTAVAIL;
/* only modify transtable if it has been initialized before */ /* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) { if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
batadv_tt_local_remove(bat_priv, dev->dev_addr, batadv_tt_local_remove(bat_priv, dev->dev_addr,
"mac address changed", false); "mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX); batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
@@ -131,9 +131,9 @@ static int batadv_interface_tx(struct sk_buff *skb,
struct net_device *soft_iface) struct net_device *soft_iface)
{ {
struct ethhdr *ethhdr = (struct ethhdr *)skb->data; struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct bat_priv *bat_priv = netdev_priv(soft_iface); struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct bcast_packet *bcast_packet; struct batadv_bcast_packet *bcast_packet;
struct vlan_ethhdr *vhdr; struct vlan_ethhdr *vhdr;
__be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN);
static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00,
@@ -143,7 +143,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
short vid __maybe_unused = -1; short vid __maybe_unused = -1;
bool do_bcast = false; bool do_bcast = false;
if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped; goto dropped;
soft_iface->trans_start = jiffies; soft_iface->trans_start = jiffies;
@@ -177,7 +177,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
do_bcast = true; do_bcast = true;
switch (atomic_read(&bat_priv->gw_mode)) { switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_SERVER: case BATADV_GW_MODE_SERVER:
/* gateway servers should not send dhcp /* gateway servers should not send dhcp
* requests into the mesh * requests into the mesh
*/ */
@@ -185,7 +185,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (ret) if (ret)
goto dropped; goto dropped;
break; break;
case GW_MODE_CLIENT: case BATADV_GW_MODE_CLIENT:
/* gateway clients should send dhcp requests /* gateway clients should send dhcp requests
* via unicast to their gateway * via unicast to their gateway
*/ */
@@ -193,7 +193,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (ret) if (ret)
do_bcast = false; do_bcast = false;
break; break;
case GW_MODE_OFF: case BATADV_GW_MODE_OFF:
default: default:
break; break;
} }
@@ -208,12 +208,13 @@ static int batadv_interface_tx(struct sk_buff *skb,
if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0) if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
goto dropped; goto dropped;
bcast_packet = (struct bcast_packet *)skb->data; bcast_packet = (struct batadv_bcast_packet *)skb->data;
bcast_packet->header.version = BATADV_COMPAT_VERSION; bcast_packet->header.version = BATADV_COMPAT_VERSION;
bcast_packet->header.ttl = BATADV_TTL; bcast_packet->header.ttl = BATADV_TTL;
/* batman packet type: broadcast */ /* batman packet type: broadcast */
bcast_packet->header.packet_type = BAT_BCAST; bcast_packet->header.packet_type = BATADV_BCAST;
bcast_packet->reserved = 0;
/* hw address of first interface is the orig mac because only /* hw address of first interface is the orig mac because only
* this mac is known throughout the mesh * this mac is known throughout the mesh
@@ -234,7 +235,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
/* unicast packet */ /* unicast packet */
} else { } else {
if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) { if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) {
ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr);
if (ret) if (ret)
goto dropped; goto dropped;
@@ -260,10 +261,10 @@ end:
} }
void batadv_interface_rx(struct net_device *soft_iface, void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct hard_iface *recv_if, struct sk_buff *skb, struct batadv_hard_iface *recv_if,
int hdr_size) int hdr_size)
{ {
struct bat_priv *bat_priv = netdev_priv(soft_iface); struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct ethhdr *ethhdr; struct ethhdr *ethhdr;
struct vlan_ethhdr *vhdr; struct vlan_ethhdr *vhdr;
short vid __maybe_unused = -1; short vid __maybe_unused = -1;
@@ -338,7 +339,7 @@ static const struct net_device_ops batadv_netdev_ops = {
static void batadv_interface_setup(struct net_device *dev) static void batadv_interface_setup(struct net_device *dev)
{ {
struct bat_priv *priv = netdev_priv(dev); struct batadv_priv *priv = netdev_priv(dev);
ether_setup(dev); ether_setup(dev);
@@ -364,8 +365,9 @@ static void batadv_interface_setup(struct net_device *dev)
struct net_device *batadv_softif_create(const char *name) struct net_device *batadv_softif_create(const char *name)
{ {
struct net_device *soft_iface; struct net_device *soft_iface;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
int ret; int ret;
size_t cnt_len = sizeof(uint64_t) * BATADV_CNT_NUM;
soft_iface = alloc_netdev(sizeof(*bat_priv), name, soft_iface = alloc_netdev(sizeof(*bat_priv), name,
batadv_interface_setup); batadv_interface_setup);
@@ -386,8 +388,8 @@ struct net_device *batadv_softif_create(const char *name)
atomic_set(&bat_priv->bonding, 0); atomic_set(&bat_priv->bonding, 0);
atomic_set(&bat_priv->bridge_loop_avoidance, 0); atomic_set(&bat_priv->bridge_loop_avoidance, 0);
atomic_set(&bat_priv->ap_isolation, 0); atomic_set(&bat_priv->ap_isolation, 0);
atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); atomic_set(&bat_priv->vis_mode, BATADV_VIS_TYPE_CLIENT_UPDATE);
atomic_set(&bat_priv->gw_mode, GW_MODE_OFF); atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF);
atomic_set(&bat_priv->gw_sel_class, 20); atomic_set(&bat_priv->gw_sel_class, 20);
atomic_set(&bat_priv->gw_bandwidth, 41); atomic_set(&bat_priv->gw_bandwidth, 41);
atomic_set(&bat_priv->orig_interval, 1000); atomic_set(&bat_priv->orig_interval, 1000);
@@ -397,7 +399,7 @@ struct net_device *batadv_softif_create(const char *name)
atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN); atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN);
atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN);
atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
atomic_set(&bat_priv->bcast_seqno, 1); atomic_set(&bat_priv->bcast_seqno, 1);
atomic_set(&bat_priv->ttvn, 0); atomic_set(&bat_priv->ttvn, 0);
atomic_set(&bat_priv->tt_local_changes, 0); atomic_set(&bat_priv->tt_local_changes, 0);
@@ -411,8 +413,7 @@ struct net_device *batadv_softif_create(const char *name)
bat_priv->primary_if = NULL; bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0; bat_priv->num_ifaces = 0;
bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM, bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t));
__alignof__(uint64_t));
if (!bat_priv->bat_counters) if (!bat_priv->bat_counters)
goto unreg_soft_iface; goto unreg_soft_iface;
@@ -539,17 +540,17 @@ static void batadv_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, struct ethtool_stats *stats,
uint64_t *data) uint64_t *data)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
int i; int i;
for (i = 0; i < BAT_CNT_NUM; i++) for (i = 0; i < BATADV_CNT_NUM; i++)
data[i] = batadv_sum_counter(bat_priv, i); data[i] = batadv_sum_counter(bat_priv, i);
} }
static int batadv_get_sset_count(struct net_device *dev, int stringset) static int batadv_get_sset_count(struct net_device *dev, int stringset)
{ {
if (stringset == ETH_SS_STATS) if (stringset == ETH_SS_STATS)
return BAT_CNT_NUM; return BATADV_CNT_NUM;
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }

2
net/batman-adv/soft-interface.h
View File

@@ -22,7 +22,7 @@
int batadv_skb_head_push(struct sk_buff *skb, unsigned int len); int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb, void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb,
struct hard_iface *recv_if, int hdr_size); struct batadv_hard_iface *recv_if, int hdr_size);
struct net_device *batadv_softif_create(const char *name); struct net_device *batadv_softif_create(const char *name);
void batadv_softif_destroy(struct net_device *soft_iface); void batadv_softif_destroy(struct net_device *soft_iface);
int batadv_softif_is_valid(const struct net_device *net_dev); int batadv_softif_is_valid(const struct net_device *net_dev);

134
net/batman-adv/bat_sysfs.c → net/batman-adv/sysfs.c
View File

@@ -18,7 +18,7 @@
*/ */
#include "main.h" #include "main.h"
#include "bat_sysfs.h" #include "sysfs.h"
#include "translation-table.h" #include "translation-table.h"
#include "originator.h" #include "originator.h"
#include "hard-interface.h" #include "hard-interface.h"
@@ -32,7 +32,7 @@ static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
return to_net_dev(dev); return to_net_dev(dev);
} }
static struct bat_priv *batadv_kobj_to_batpriv(struct kobject *obj) static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(obj); struct net_device *net_dev = batadv_kobj_to_netdev(obj);
return netdev_priv(net_dev); return netdev_priv(net_dev);
@@ -54,7 +54,7 @@ static char *batadv_uev_type_str[] = {
/* Use this, if you have customized show and store functions */ /* Use this, if you have customized show and store functions */
#define BATADV_ATTR(_name, _mode, _show, _store) \ #define BATADV_ATTR(_name, _mode, _show, _store) \
struct bat_attribute batadv_attr_##_name = { \ struct batadv_attribute batadv_attr_##_name = { \
.attr = {.name = __stringify(_name), \ .attr = {.name = __stringify(_name), \
.mode = _mode }, \ .mode = _mode }, \
.show = _show, \ .show = _show, \
@@ -67,7 +67,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \ size_t count) \
{ \ { \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct bat_priv *bat_priv = netdev_priv(net_dev); \ struct batadv_priv *bat_priv = netdev_priv(net_dev); \
return __batadv_store_bool_attr(buff, count, _post_func, attr, \ return __batadv_store_bool_attr(buff, count, _post_func, attr, \
&bat_priv->_name, net_dev); \ &bat_priv->_name, net_dev); \
} }
@@ -76,7 +76,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
ssize_t batadv_show_##_name(struct kobject *kobj, \ ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \ struct attribute *attr, char *buff) \
{ \ { \
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
return sprintf(buff, "%s\n", \ return sprintf(buff, "%s\n", \
atomic_read(&bat_priv->_name) == 0 ? \ atomic_read(&bat_priv->_name) == 0 ? \
"disabled" : "enabled"); \ "disabled" : "enabled"); \
@@ -98,7 +98,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \ size_t count) \
{ \ { \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct bat_priv *bat_priv = netdev_priv(net_dev); \ struct batadv_priv *bat_priv = netdev_priv(net_dev); \
return __batadv_store_uint_attr(buff, count, _min, _max, \ return __batadv_store_uint_attr(buff, count, _min, _max, \
_post_func, attr, \ _post_func, attr, \
&bat_priv->_name, net_dev); \ &bat_priv->_name, net_dev); \
@@ -108,7 +108,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
ssize_t batadv_show_##_name(struct kobject *kobj, \ ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \ struct attribute *attr, char *buff) \
{ \ { \
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \
return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \
} \ } \
@@ -128,7 +128,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
size_t count) \ size_t count) \
{ \ { \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct hard_iface *hard_iface; \ struct batadv_hard_iface *hard_iface; \
ssize_t length; \ ssize_t length; \
\ \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \
@@ -148,7 +148,7 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \
struct attribute *attr, char *buff) \ struct attribute *attr, char *buff) \
{ \ { \
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \
struct hard_iface *hard_iface; \ struct batadv_hard_iface *hard_iface; \
ssize_t length; \ ssize_t length; \
\ \
hard_iface = batadv_hardif_get_by_netdev(net_dev); \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \
@@ -281,12 +281,16 @@ __batadv_store_uint_attr(const char *buff, size_t count,
static ssize_t batadv_show_vis_mode(struct kobject *kobj, static ssize_t batadv_show_vis_mode(struct kobject *kobj,
struct attribute *attr, char *buff) struct attribute *attr, char *buff)
{ {
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int vis_mode = atomic_read(&bat_priv->vis_mode); int vis_mode = atomic_read(&bat_priv->vis_mode);
const char *mode;
return sprintf(buff, "%s\n", if (vis_mode == BATADV_VIS_TYPE_CLIENT_UPDATE)
vis_mode == VIS_TYPE_CLIENT_UPDATE ? mode = "client";
"client" : "server"); else
mode = "server";
return sprintf(buff, "%s\n", mode);
} }
static ssize_t batadv_store_vis_mode(struct kobject *kobj, static ssize_t batadv_store_vis_mode(struct kobject *kobj,
@@ -294,21 +298,23 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
size_t count) size_t count)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
unsigned long val; unsigned long val;
int ret, vis_mode_tmp = -1; int ret, vis_mode_tmp = -1;
const char *old_mode, *new_mode; const char *old_mode, *new_mode;
ret = kstrtoul(buff, 10, &val); ret = kstrtoul(buff, 10, &val);
if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || if (((count == 2) && (!ret) &&
(val == BATADV_VIS_TYPE_CLIENT_UPDATE)) ||
(strncmp(buff, "client", 6) == 0) || (strncmp(buff, "client", 6) == 0) ||
(strncmp(buff, "off", 3) == 0)) (strncmp(buff, "off", 3) == 0))
vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; vis_mode_tmp = BATADV_VIS_TYPE_CLIENT_UPDATE;
if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || if (((count == 2) && (!ret) &&
(val == BATADV_VIS_TYPE_SERVER_SYNC)) ||
(strncmp(buff, "server", 6) == 0)) (strncmp(buff, "server", 6) == 0))
vis_mode_tmp = VIS_TYPE_SERVER_SYNC; vis_mode_tmp = BATADV_VIS_TYPE_SERVER_SYNC;
if (vis_mode_tmp < 0) { if (vis_mode_tmp < 0) {
if (buff[count - 1] == '\n') if (buff[count - 1] == '\n')
@@ -323,12 +329,12 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
return count; return count;
if (atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE) if (atomic_read(&bat_priv->vis_mode) == BATADV_VIS_TYPE_CLIENT_UPDATE)
old_mode = "client"; old_mode = "client";
else else
old_mode = "server"; old_mode = "server";
if (vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE) if (vis_mode_tmp == BATADV_VIS_TYPE_CLIENT_UPDATE)
new_mode = "client"; new_mode = "client";
else else
new_mode = "server"; new_mode = "server";
@@ -343,28 +349,28 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj,
static ssize_t batadv_show_bat_algo(struct kobject *kobj, static ssize_t batadv_show_bat_algo(struct kobject *kobj,
struct attribute *attr, char *buff) struct attribute *attr, char *buff)
{ {
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name);
} }
static void batadv_post_gw_deselect(struct net_device *net_dev) static void batadv_post_gw_deselect(struct net_device *net_dev)
{ {
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
batadv_gw_deselect(bat_priv); batadv_gw_deselect(bat_priv);
} }
static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr,
char *buff) char *buff)
{ {
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int bytes_written; int bytes_written;
switch (atomic_read(&bat_priv->gw_mode)) { switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_CLIENT: case BATADV_GW_MODE_CLIENT:
bytes_written = sprintf(buff, "%s\n", bytes_written = sprintf(buff, "%s\n",
BATADV_GW_MODE_CLIENT_NAME); BATADV_GW_MODE_CLIENT_NAME);
break; break;
case GW_MODE_SERVER: case BATADV_GW_MODE_SERVER:
bytes_written = sprintf(buff, "%s\n", bytes_written = sprintf(buff, "%s\n",
BATADV_GW_MODE_SERVER_NAME); BATADV_GW_MODE_SERVER_NAME);
break; break;
@@ -382,7 +388,7 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
size_t count) size_t count)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
char *curr_gw_mode_str; char *curr_gw_mode_str;
int gw_mode_tmp = -1; int gw_mode_tmp = -1;
@@ -391,15 +397,15 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, if (strncmp(buff, BATADV_GW_MODE_OFF_NAME,
strlen(BATADV_GW_MODE_OFF_NAME)) == 0) strlen(BATADV_GW_MODE_OFF_NAME)) == 0)
gw_mode_tmp = GW_MODE_OFF; gw_mode_tmp = BATADV_GW_MODE_OFF;
if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME,
strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0)
gw_mode_tmp = GW_MODE_CLIENT; gw_mode_tmp = BATADV_GW_MODE_CLIENT;
if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME,
strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) strlen(BATADV_GW_MODE_SERVER_NAME)) == 0)
gw_mode_tmp = GW_MODE_SERVER; gw_mode_tmp = BATADV_GW_MODE_SERVER;
if (gw_mode_tmp < 0) { if (gw_mode_tmp < 0) {
batadv_info(net_dev, batadv_info(net_dev,
@@ -412,10 +418,10 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
return count; return count;
switch (atomic_read(&bat_priv->gw_mode)) { switch (atomic_read(&bat_priv->gw_mode)) {
case GW_MODE_CLIENT: case BATADV_GW_MODE_CLIENT:
curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME;
break; break;
case GW_MODE_SERVER: case BATADV_GW_MODE_SERVER:
curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME; curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME;
break; break;
default: default:
@@ -434,7 +440,7 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj,
static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
struct attribute *attr, char *buff) struct attribute *attr, char *buff)
{ {
struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj);
int down, up; int down, up;
int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth);
@@ -479,10 +485,10 @@ BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE,
static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth,
batadv_store_gw_bwidth); batadv_store_gw_bwidth);
#ifdef CONFIG_BATMAN_ADV_DEBUG #ifdef CONFIG_BATMAN_ADV_DEBUG
BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, DBG_ALL, NULL); BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL);
#endif #endif
static struct bat_attribute *batadv_mesh_attrs[] = { static struct batadv_attribute *batadv_mesh_attrs[] = {
&batadv_attr_aggregated_ogms, &batadv_attr_aggregated_ogms,
&batadv_attr_bonding, &batadv_attr_bonding,
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
@@ -506,8 +512,8 @@ static struct bat_attribute *batadv_mesh_attrs[] = {
int batadv_sysfs_add_meshif(struct net_device *dev) int batadv_sysfs_add_meshif(struct net_device *dev)
{ {
struct kobject *batif_kobject = &dev->dev.kobj; struct kobject *batif_kobject = &dev->dev.kobj;
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
struct bat_attribute **bat_attr; struct batadv_attribute **bat_attr;
int err; int err;
bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR, bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR,
@@ -543,8 +549,8 @@ out:
void batadv_sysfs_del_meshif(struct net_device *dev) void batadv_sysfs_del_meshif(struct net_device *dev)
{ {
struct bat_priv *bat_priv = netdev_priv(dev); struct batadv_priv *bat_priv = netdev_priv(dev);
struct bat_attribute **bat_attr; struct batadv_attribute **bat_attr;
for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr)
sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr));
@@ -557,14 +563,20 @@ static ssize_t batadv_show_mesh_iface(struct kobject *kobj,
struct attribute *attr, char *buff) struct attribute *attr, char *buff)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); struct batadv_hard_iface *hard_iface;
ssize_t length; ssize_t length;
const char *ifname;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface) if (!hard_iface)
return 0; return 0;
length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)
"none" : hard_iface->soft_iface->name); ifname = "none";
else
ifname = hard_iface->soft_iface->name;
length = sprintf(buff, "%s\n", ifname);
batadv_hardif_free_ref(hard_iface); batadv_hardif_free_ref(hard_iface);
@@ -576,10 +588,11 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
size_t count) size_t count)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); struct batadv_hard_iface *hard_iface;
int status_tmp = -1; int status_tmp = -1;
int ret = count; int ret = count;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface) if (!hard_iface)
return count; return count;
@@ -594,9 +607,9 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
} }
if (strncmp(buff, "none", 4) == 0) if (strncmp(buff, "none", 4) == 0)
status_tmp = IF_NOT_IN_USE; status_tmp = BATADV_IF_NOT_IN_USE;
else else
status_tmp = IF_I_WANT_YOU; status_tmp = BATADV_IF_I_WANT_YOU;
if (hard_iface->if_status == status_tmp) if (hard_iface->if_status == status_tmp)
goto out; goto out;
@@ -610,13 +623,13 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
goto out; goto out;
} }
if (status_tmp == IF_NOT_IN_USE) { if (status_tmp == BATADV_IF_NOT_IN_USE) {
batadv_hardif_disable_interface(hard_iface); batadv_hardif_disable_interface(hard_iface);
goto unlock; goto unlock;
} }
/* if the interface already is in use */ /* if the interface already is in use */
if (hard_iface->if_status != IF_NOT_IN_USE) if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)
batadv_hardif_disable_interface(hard_iface); batadv_hardif_disable_interface(hard_iface);
ret = batadv_hardif_enable_interface(hard_iface, buff); ret = batadv_hardif_enable_interface(hard_iface, buff);
@@ -632,26 +645,27 @@ static ssize_t batadv_show_iface_status(struct kobject *kobj,
struct attribute *attr, char *buff) struct attribute *attr, char *buff)
{ {
struct net_device *net_dev = batadv_kobj_to_netdev(kobj); struct net_device *net_dev = batadv_kobj_to_netdev(kobj);
struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); struct batadv_hard_iface *hard_iface;
ssize_t length; ssize_t length;
hard_iface = batadv_hardif_get_by_netdev(net_dev);
if (!hard_iface) if (!hard_iface)
return 0; return 0;
switch (hard_iface->if_status) { switch (hard_iface->if_status) {
case IF_TO_BE_REMOVED: case BATADV_IF_TO_BE_REMOVED:
length = sprintf(buff, "disabling\n"); length = sprintf(buff, "disabling\n");
break; break;
case IF_INACTIVE: case BATADV_IF_INACTIVE:
length = sprintf(buff, "inactive\n"); length = sprintf(buff, "inactive\n");
break; break;
case IF_ACTIVE: case BATADV_IF_ACTIVE:
length = sprintf(buff, "active\n"); length = sprintf(buff, "active\n");
break; break;
case IF_TO_BE_ACTIVATED: case BATADV_IF_TO_BE_ACTIVATED:
length = sprintf(buff, "enabling\n"); length = sprintf(buff, "enabling\n");
break; break;
case IF_NOT_IN_USE: case BATADV_IF_NOT_IN_USE:
default: default:
length = sprintf(buff, "not in use\n"); length = sprintf(buff, "not in use\n");
break; break;
@@ -666,7 +680,7 @@ static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface,
batadv_store_mesh_iface); batadv_store_mesh_iface);
static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL); static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL);
static struct bat_attribute *batadv_batman_attrs[] = { static struct batadv_attribute *batadv_batman_attrs[] = {
&batadv_attr_mesh_iface, &batadv_attr_mesh_iface,
&batadv_attr_iface_status, &batadv_attr_iface_status,
NULL, NULL,
@@ -675,7 +689,7 @@ static struct bat_attribute *batadv_batman_attrs[] = {
int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev)
{ {
struct kobject *hardif_kobject = &dev->dev.kobj; struct kobject *hardif_kobject = &dev->dev.kobj;
struct bat_attribute **bat_attr; struct batadv_attribute **bat_attr;
int err; int err;
*hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR, *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR,
@@ -712,11 +726,11 @@ void batadv_sysfs_del_hardif(struct kobject **hardif_obj)
*hardif_obj = NULL; *hardif_obj = NULL;
} }
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
enum uev_action action, const char *data) enum batadv_uev_action action, const char *data)
{ {
int ret = -ENOMEM; int ret = -ENOMEM;
struct hard_iface *primary_if = NULL; struct batadv_hard_iface *primary_if = NULL;
struct kobject *bat_kobj; struct kobject *bat_kobj;
char *uevent_env[4] = { NULL, NULL, NULL, NULL }; char *uevent_env[4] = { NULL, NULL, NULL, NULL };
@@ -745,7 +759,7 @@ int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
batadv_uev_action_str[action]); batadv_uev_action_str[action]);
/* If the event is DEL, ignore the data field */ /* If the event is DEL, ignore the data field */
if (action != UEV_DEL) { if (action != BATADV_UEV_DEL) {
uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) + uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) +
strlen(data) + 1, GFP_ATOMIC); strlen(data) + 1, GFP_ATOMIC);
if (!uevent_env[2]) if (!uevent_env[2])
@@ -764,10 +778,10 @@ out:
batadv_hardif_free_ref(primary_if); batadv_hardif_free_ref(primary_if);
if (ret) if (ret)
batadv_dbg(DBG_BATMAN, bat_priv, batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n",
batadv_uev_type_str[type], batadv_uev_type_str[type],
batadv_uev_action_str[action], batadv_uev_action_str[action],
(action == UEV_DEL ? "NULL" : data), ret); (action == BATADV_UEV_DEL ? "NULL" : data), ret);
return ret; return ret;
} }

6
net/batman-adv/bat_sysfs.h → net/batman-adv/sysfs.h
View File

@@ -23,7 +23,7 @@
#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh" #define BATADV_SYSFS_IF_MESH_SUBDIR "mesh"
#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv" #define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv"
struct bat_attribute { struct batadv_attribute {
struct attribute attr; struct attribute attr;
ssize_t (*show)(struct kobject *kobj, struct attribute *attr, ssize_t (*show)(struct kobject *kobj, struct attribute *attr,
char *buf); char *buf);
@@ -36,7 +36,7 @@ void batadv_sysfs_del_meshif(struct net_device *dev);
int batadv_sysfs_add_hardif(struct kobject **hardif_obj, int batadv_sysfs_add_hardif(struct kobject **hardif_obj,
struct net_device *dev); struct net_device *dev);
void batadv_sysfs_del_hardif(struct kobject **hardif_obj); void batadv_sysfs_del_hardif(struct kobject **hardif_obj);
int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type,
enum uev_action action, const char *data); enum batadv_uev_action action, const char *data);
#endif /* _NET_BATMAN_ADV_SYSFS_H_ */ #endif /* _NET_BATMAN_ADV_SYSFS_H_ */

808
net/batman-adv/translation-table.c
View File

File diff suppressed because it is too large Load Diff

43
net/batman-adv/translation-table.h
View File

@@ -21,42 +21,43 @@
#define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
int batadv_tt_len(int changes_num); int batadv_tt_len(int changes_num);
int batadv_tt_init(struct bat_priv *bat_priv); int batadv_tt_init(struct batadv_priv *bat_priv);
void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr,
int ifindex); int ifindex);
void batadv_tt_local_remove(struct bat_priv *bat_priv, void batadv_tt_local_remove(struct batadv_priv *bat_priv,
const uint8_t *addr, const char *message, const uint8_t *addr, const char *message,
bool roaming); bool roaming);
int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset); int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_add_orig(struct bat_priv *bat_priv, void batadv_tt_global_add_orig(struct batadv_priv *bat_priv,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
const unsigned char *tt_buff, int tt_buff_len); const unsigned char *tt_buff, int tt_buff_len);
int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, int batadv_tt_global_add(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
const unsigned char *addr, uint8_t flags, const unsigned char *addr, uint8_t flags,
uint8_t ttvn); uint8_t ttvn);
int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset); int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_del_orig(struct bat_priv *bat_priv, void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
const char *message); const char *message);
struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv, struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
const uint8_t *src, const uint8_t *src,
const uint8_t *addr); const uint8_t *addr);
void batadv_tt_free(struct bat_priv *bat_priv); void batadv_tt_free(struct batadv_priv *bat_priv);
bool batadv_send_tt_response(struct bat_priv *bat_priv, bool batadv_send_tt_response(struct batadv_priv *bat_priv,
struct tt_query_packet *tt_request); struct batadv_tt_query_packet *tt_request);
bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr); bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr);
void batadv_handle_tt_response(struct bat_priv *bat_priv, void batadv_handle_tt_response(struct batadv_priv *bat_priv,
struct tt_query_packet *tt_response); struct batadv_tt_query_packet *tt_response);
bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src,
uint8_t *dst); uint8_t *dst);
void batadv_tt_update_orig(struct bat_priv *bat_priv, void batadv_tt_update_orig(struct batadv_priv *bat_priv,
struct orig_node *orig_node, struct batadv_orig_node *orig_node,
const unsigned char *tt_buff, uint8_t tt_num_changes, const unsigned char *tt_buff, uint8_t tt_num_changes,
uint8_t ttvn, uint16_t tt_crc); uint8_t ttvn, uint16_t tt_crc);
int batadv_tt_append_diff(struct bat_priv *bat_priv, int batadv_tt_append_diff(struct batadv_priv *bat_priv,
unsigned char **packet_buff, int *packet_buff_len, unsigned char **packet_buff, int *packet_buff_len,
int packet_min_len); int packet_min_len);
bool batadv_tt_global_client_is_roaming(struct bat_priv *bat_priv, bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
uint8_t *addr); uint8_t *addr);

154
net/batman-adv/types.h
View File

@@ -25,10 +25,10 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#define BATADV_HEADER_LEN \ #define BATADV_HEADER_LEN \
(ETH_HLEN + max(sizeof(struct unicast_packet), \ (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \
sizeof(struct bcast_packet))) sizeof(struct batadv_bcast_packet)))
struct hard_iface { struct batadv_hard_iface {
struct list_head list; struct list_head list;
int16_t if_num; int16_t if_num;
char if_status; char if_status;
@@ -44,7 +44,7 @@ struct hard_iface {
struct rcu_head rcu; struct rcu_head rcu;
}; };
/* orig_node - structure for orig_list maintaining nodes of mesh /* batadv_orig_node - structure for orig_list maintaining nodes of mesh
* @primary_addr: hosts primary interface address * @primary_addr: hosts primary interface address
* @last_seen: when last packet from this node was received * @last_seen: when last packet from this node was received
* @bcast_seqno_reset: time when the broadcast seqno window was reset * @bcast_seqno_reset: time when the broadcast seqno window was reset
@@ -58,10 +58,10 @@ struct hard_iface {
* @candidates: how many candidates are available * @candidates: how many candidates are available
* @selected: next bonding candidate * @selected: next bonding candidate
*/ */
struct orig_node { struct batadv_orig_node {
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
uint8_t primary_addr[ETH_ALEN]; uint8_t primary_addr[ETH_ALEN];
struct neigh_node __rcu *router; /* rcu protected pointer */ struct batadv_neigh_node __rcu *router; /* rcu protected pointer */
unsigned long *bcast_own; unsigned long *bcast_own;
uint8_t *bcast_own_sum; uint8_t *bcast_own_sum;
unsigned long last_seen; unsigned long last_seen;
@@ -93,7 +93,7 @@ struct orig_node {
atomic_t refcount; atomic_t refcount;
struct rcu_head rcu; struct rcu_head rcu;
struct hlist_node hash_entry; struct hlist_node hash_entry;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
unsigned long last_frag_packet; unsigned long last_frag_packet;
/* ogm_cnt_lock protects: bcast_own, bcast_own_sum, /* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
* neigh_node->real_bits, neigh_node->real_packet_count * neigh_node->real_bits, neigh_node->real_packet_count
@@ -106,18 +106,18 @@ struct orig_node {
struct list_head bond_list; struct list_head bond_list;
}; };
struct gw_node { struct batadv_gw_node {
struct hlist_node list; struct hlist_node list;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
unsigned long deleted; unsigned long deleted;
atomic_t refcount; atomic_t refcount;
struct rcu_head rcu; struct rcu_head rcu;
}; };
/* neigh_node /* batadv_neigh_node
* @last_seen: when last packet via this neighbor was received * @last_seen: when last packet via this neighbor was received
*/ */
struct neigh_node { struct batadv_neigh_node {
struct hlist_node list; struct hlist_node list;
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
uint8_t real_packet_count; uint8_t real_packet_count;
@@ -130,36 +130,36 @@ struct neigh_node {
DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
atomic_t refcount; atomic_t refcount;
struct rcu_head rcu; struct rcu_head rcu;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct hard_iface *if_incoming; struct batadv_hard_iface *if_incoming;
spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */ spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */
}; };
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry { struct batadv_bcast_duplist_entry {
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
uint16_t crc; uint16_t crc;
unsigned long entrytime; unsigned long entrytime;
}; };
#endif #endif
enum bat_counters { enum batadv_counters {
BAT_CNT_FORWARD, BATADV_CNT_FORWARD,
BAT_CNT_FORWARD_BYTES, BATADV_CNT_FORWARD_BYTES,
BAT_CNT_MGMT_TX, BATADV_CNT_MGMT_TX,
BAT_CNT_MGMT_TX_BYTES, BATADV_CNT_MGMT_TX_BYTES,
BAT_CNT_MGMT_RX, BATADV_CNT_MGMT_RX,
BAT_CNT_MGMT_RX_BYTES, BATADV_CNT_MGMT_RX_BYTES,
BAT_CNT_TT_REQUEST_TX, BATADV_CNT_TT_REQUEST_TX,
BAT_CNT_TT_REQUEST_RX, BATADV_CNT_TT_REQUEST_RX,
BAT_CNT_TT_RESPONSE_TX, BATADV_CNT_TT_RESPONSE_TX,
BAT_CNT_TT_RESPONSE_RX, BATADV_CNT_TT_RESPONSE_RX,
BAT_CNT_TT_ROAM_ADV_TX, BATADV_CNT_TT_ROAM_ADV_TX,
BAT_CNT_TT_ROAM_ADV_RX, BATADV_CNT_TT_ROAM_ADV_RX,
BAT_CNT_NUM, BATADV_CNT_NUM,
}; };
struct bat_priv { struct batadv_priv {
atomic_t mesh_state; atomic_t mesh_state;
struct net_device_stats stats; struct net_device_stats stats;
uint64_t __percpu *bat_counters; /* Per cpu counters */ uint64_t __percpu *bat_counters; /* Per cpu counters */
@@ -190,7 +190,7 @@ struct bat_priv {
*/ */
bool tt_poss_change; bool tt_poss_change;
char num_ifaces; char num_ifaces;
struct debug_log *debug_log; struct batadv_debug_log *debug_log;
struct kobject *mesh_obj; struct kobject *mesh_obj;
struct dentry *debug_dir; struct dentry *debug_dir;
struct hlist_head forw_bat_list; struct hlist_head forw_bat_list;
@@ -198,20 +198,20 @@ struct bat_priv {
struct hlist_head gw_list; struct hlist_head gw_list;
struct list_head tt_changes_list; /* tracks changes in a OGM int */ struct list_head tt_changes_list; /* tracks changes in a OGM int */
struct list_head vis_send_list; struct list_head vis_send_list;
struct hashtable_t *orig_hash; struct batadv_hashtable *orig_hash;
struct hashtable_t *tt_local_hash; struct batadv_hashtable *tt_local_hash;
struct hashtable_t *tt_global_hash; struct batadv_hashtable *tt_global_hash;
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
struct hashtable_t *claim_hash; struct batadv_hashtable *claim_hash;
struct hashtable_t *backbone_hash; struct batadv_hashtable *backbone_hash;
#endif #endif
struct list_head tt_req_list; /* list of pending tt_requests */ struct list_head tt_req_list; /* list of pending tt_requests */
struct list_head tt_roam_list; struct list_head tt_roam_list;
struct hashtable_t *vis_hash; struct batadv_hashtable *vis_hash;
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
int bcast_duplist_curr; int bcast_duplist_curr;
struct bla_claim_dst claim_dest; struct batadv_bla_claim_dst claim_dest;
#endif #endif
spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
spinlock_t forw_bcast_list_lock; /* protects */ spinlock_t forw_bcast_list_lock; /* protects */
@@ -231,29 +231,29 @@ struct bat_priv {
struct delayed_work orig_work; struct delayed_work orig_work;
struct delayed_work vis_work; struct delayed_work vis_work;
struct delayed_work bla_work; struct delayed_work bla_work;
struct gw_node __rcu *curr_gw; /* rcu protected pointer */ struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */
atomic_t gw_reselect; atomic_t gw_reselect;
struct hard_iface __rcu *primary_if; /* rcu protected pointer */ struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */
struct vis_info *my_vis_info; struct batadv_vis_info *my_vis_info;
struct bat_algo_ops *bat_algo_ops; struct batadv_algo_ops *bat_algo_ops;
}; };
struct socket_client { struct batadv_socket_client {
struct list_head queue_list; struct list_head queue_list;
unsigned int queue_len; unsigned int queue_len;
unsigned char index; unsigned char index;
spinlock_t lock; /* protects queue_list, queue_len, index */ spinlock_t lock; /* protects queue_list, queue_len, index */
wait_queue_head_t queue_wait; wait_queue_head_t queue_wait;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
}; };
struct socket_packet { struct batadv_socket_packet {
struct list_head list; struct list_head list;
size_t icmp_len; size_t icmp_len;
struct icmp_packet_rr icmp_packet; struct batadv_icmp_packet_rr icmp_packet;
}; };
struct tt_common_entry { struct batadv_tt_common_entry {
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
struct hlist_node hash_entry; struct hlist_node hash_entry;
uint16_t flags; uint16_t flags;
@@ -261,31 +261,31 @@ struct tt_common_entry {
struct rcu_head rcu; struct rcu_head rcu;
}; };
struct tt_local_entry { struct batadv_tt_local_entry {
struct tt_common_entry common; struct batadv_tt_common_entry common;
unsigned long last_seen; unsigned long last_seen;
}; };
struct tt_global_entry { struct batadv_tt_global_entry {
struct tt_common_entry common; struct batadv_tt_common_entry common;
struct hlist_head orig_list; struct hlist_head orig_list;
spinlock_t list_lock; /* protects the list */ spinlock_t list_lock; /* protects the list */
unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */ unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
}; };
struct tt_orig_list_entry { struct batadv_tt_orig_list_entry {
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
uint8_t ttvn; uint8_t ttvn;
struct rcu_head rcu; struct rcu_head rcu;
struct hlist_node list; struct hlist_node list;
}; };
#ifdef CONFIG_BATMAN_ADV_BLA #ifdef CONFIG_BATMAN_ADV_BLA
struct backbone_gw { struct batadv_backbone_gw {
uint8_t orig[ETH_ALEN]; uint8_t orig[ETH_ALEN];
short vid; /* used VLAN ID */ short vid; /* used VLAN ID */
struct hlist_node hash_entry; struct hlist_node hash_entry;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
unsigned long lasttime; /* last time we heard of this backbone gw */ unsigned long lasttime; /* last time we heard of this backbone gw */
atomic_t request_sent; atomic_t request_sent;
atomic_t refcount; atomic_t refcount;
@@ -293,10 +293,10 @@ struct backbone_gw {
uint16_t crc; /* crc checksum over all claims */ uint16_t crc; /* crc checksum over all claims */
}; };
struct claim { struct batadv_claim {
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
short vid; short vid;
struct backbone_gw *backbone_gw; struct batadv_backbone_gw *backbone_gw;
unsigned long lasttime; /* last time we heard of claim (locals only) */ unsigned long lasttime; /* last time we heard of claim (locals only) */
struct rcu_head rcu; struct rcu_head rcu;
atomic_t refcount; atomic_t refcount;
@@ -304,18 +304,18 @@ struct claim {
}; };
#endif #endif
struct tt_change_node { struct batadv_tt_change_node {
struct list_head list; struct list_head list;
struct tt_change change; struct batadv_tt_change change;
}; };
struct tt_req_node { struct batadv_tt_req_node {
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
unsigned long issued_at; unsigned long issued_at;
struct list_head list; struct list_head list;
}; };
struct tt_roam_node { struct batadv_tt_roam_node {
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
atomic_t counter; atomic_t counter;
unsigned long first_time; unsigned long first_time;
@@ -325,7 +325,7 @@ struct tt_roam_node {
/* forw_packet - structure for forw_list maintaining packets to be /* forw_packet - structure for forw_list maintaining packets to be
* send/forwarded * send/forwarded
*/ */
struct forw_packet { struct batadv_forw_packet {
struct hlist_node list; struct hlist_node list;
unsigned long send_time; unsigned long send_time;
uint8_t own; uint8_t own;
@@ -334,20 +334,20 @@ struct forw_packet {
uint32_t direct_link_flags; uint32_t direct_link_flags;
uint8_t num_packets; uint8_t num_packets;
struct delayed_work delayed_work; struct delayed_work delayed_work;
struct hard_iface *if_incoming; struct batadv_hard_iface *if_incoming;
}; };
/* While scanning for vis-entries of a particular vis-originator /* While scanning for vis-entries of a particular vis-originator
* this list collects its interfaces to create a subgraph/cluster * this list collects its interfaces to create a subgraph/cluster
* out of them later * out of them later
*/ */
struct if_list_entry { struct batadv_if_list_entry {
uint8_t addr[ETH_ALEN]; uint8_t addr[ETH_ALEN];
bool primary; bool primary;
struct hlist_node list; struct hlist_node list;
}; };
struct debug_log { struct batadv_debug_log {
char log_buff[BATADV_LOG_BUF_LEN]; char log_buff[BATADV_LOG_BUF_LEN];
unsigned long log_start; unsigned long log_start;
unsigned long log_end; unsigned long log_end;
@@ -355,13 +355,13 @@ struct debug_log {
wait_queue_head_t queue_wait; wait_queue_head_t queue_wait;
}; };
struct frag_packet_list_entry { struct batadv_frag_packet_list_entry {
struct list_head list; struct list_head list;
uint16_t seqno; uint16_t seqno;
struct sk_buff *skb; struct sk_buff *skb;
}; };
struct vis_info { struct batadv_vis_info {
unsigned long first_seen; unsigned long first_seen;
/* list of server-neighbors we received a vis-packet /* list of server-neighbors we received a vis-packet
* from. we should not reply to them. * from. we should not reply to them.
@@ -370,40 +370,40 @@ struct vis_info {
struct list_head send_list; struct list_head send_list;
struct kref refcount; struct kref refcount;
struct hlist_node hash_entry; struct hlist_node hash_entry;
struct bat_priv *bat_priv; struct batadv_priv *bat_priv;
/* this packet might be part of the vis send queue. */ /* this packet might be part of the vis send queue. */
struct sk_buff *skb_packet; struct sk_buff *skb_packet;
/* vis_info may follow here */ /* vis_info may follow here */
} __packed; } __packed;
struct vis_info_entry { struct batadv_vis_info_entry {
uint8_t src[ETH_ALEN]; uint8_t src[ETH_ALEN];
uint8_t dest[ETH_ALEN]; uint8_t dest[ETH_ALEN];
uint8_t quality; /* quality = 0 client */ uint8_t quality; /* quality = 0 client */
} __packed; } __packed;
struct recvlist_node { struct batadv_recvlist_node {
struct list_head list; struct list_head list;
uint8_t mac[ETH_ALEN]; uint8_t mac[ETH_ALEN];
}; };
struct bat_algo_ops { struct batadv_algo_ops {
struct hlist_node list; struct hlist_node list;
char *name; char *name;
/* init routing info when hard-interface is enabled */ /* init routing info when hard-interface is enabled */
int (*bat_iface_enable)(struct hard_iface *hard_iface); int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface);
/* de-init routing info when hard-interface is disabled */ /* de-init routing info when hard-interface is disabled */
void (*bat_iface_disable)(struct hard_iface *hard_iface); void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface);
/* (re-)init mac addresses of the protocol information /* (re-)init mac addresses of the protocol information
* belonging to this hard-interface * belonging to this hard-interface
*/ */
void (*bat_iface_update_mac)(struct hard_iface *hard_iface); void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface);
/* called when primary interface is selected / changed */ /* called when primary interface is selected / changed */
void (*bat_primary_iface_set)(struct hard_iface *hard_iface); void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface);
/* prepare a new outgoing OGM for the send queue */ /* prepare a new outgoing OGM for the send queue */
void (*bat_ogm_schedule)(struct hard_iface *hard_iface); void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface);
/* send scheduled OGM */ /* send scheduled OGM */
void (*bat_ogm_emit)(struct forw_packet *forw_packet); void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet);
}; };
#endif /* _NET_BATMAN_ADV_TYPES_H_ */ #endif /* _NET_BATMAN_ADV_TYPES_H_ */

95
net/batman-adv/unicast.c
View File

@@ -31,18 +31,18 @@
static struct sk_buff * static struct sk_buff *
batadv_frag_merge_packet(struct list_head *head, batadv_frag_merge_packet(struct list_head *head,
struct frag_packet_list_entry *tfp, struct batadv_frag_packet_list_entry *tfp,
struct sk_buff *skb) struct sk_buff *skb)
{ {
struct unicast_frag_packet *up = struct batadv_unicast_frag_packet *up;
(struct unicast_frag_packet *)skb->data;
struct sk_buff *tmp_skb; struct sk_buff *tmp_skb;
struct unicast_packet *unicast_packet; struct batadv_unicast_packet *unicast_packet;
int hdr_len = sizeof(*unicast_packet); int hdr_len = sizeof(*unicast_packet);
int uni_diff = sizeof(*up) - hdr_len; int uni_diff = sizeof(*up) - hdr_len;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* set skb to the first part and tmp_skb to the second part */ /* set skb to the first part and tmp_skb to the second part */
if (up->flags & UNI_FRAG_HEAD) { if (up->flags & BATADV_UNI_FRAG_HEAD) {
tmp_skb = tfp->skb; tmp_skb = tfp->skb;
} else { } else {
tmp_skb = skb; tmp_skb = skb;
@@ -65,8 +65,9 @@ batadv_frag_merge_packet(struct list_head *head,
kfree_skb(tmp_skb); kfree_skb(tmp_skb);
memmove(skb->data + uni_diff, skb->data, hdr_len); memmove(skb->data + uni_diff, skb->data, hdr_len);
unicast_packet = (struct unicast_packet *)skb_pull(skb, uni_diff); unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb,
unicast_packet->header.packet_type = BAT_UNICAST; uni_diff);
unicast_packet->header.packet_type = BATADV_UNICAST;
return skb; return skb;
@@ -79,9 +80,10 @@ err:
static void batadv_frag_create_entry(struct list_head *head, static void batadv_frag_create_entry(struct list_head *head,
struct sk_buff *skb) struct sk_buff *skb)
{ {
struct frag_packet_list_entry *tfp; struct batadv_frag_packet_list_entry *tfp;
struct unicast_frag_packet *up = struct batadv_unicast_frag_packet *up;
(struct unicast_frag_packet *)skb->data;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* free and oldest packets stand at the end */ /* free and oldest packets stand at the end */
tfp = list_entry((head)->prev, typeof(*tfp), list); tfp = list_entry((head)->prev, typeof(*tfp), list);
@@ -96,7 +98,7 @@ static void batadv_frag_create_entry(struct list_head *head,
static int batadv_frag_create_buffer(struct list_head *head) static int batadv_frag_create_buffer(struct list_head *head)
{ {
int i; int i;
struct frag_packet_list_entry *tfp; struct batadv_frag_packet_list_entry *tfp;
for (i = 0; i < BATADV_FRAG_BUFFER_SIZE; i++) { for (i = 0; i < BATADV_FRAG_BUFFER_SIZE; i++) {
tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC); tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
@@ -113,15 +115,15 @@ static int batadv_frag_create_buffer(struct list_head *head)
return 0; return 0;
} }
static struct frag_packet_list_entry * static struct batadv_frag_packet_list_entry *
batadv_frag_search_packet(struct list_head *head, batadv_frag_search_packet(struct list_head *head,
const struct unicast_frag_packet *up) const struct batadv_unicast_frag_packet *up)
{ {
struct frag_packet_list_entry *tfp; struct batadv_frag_packet_list_entry *tfp;
struct unicast_frag_packet *tmp_up = NULL; struct batadv_unicast_frag_packet *tmp_up = NULL;
uint16_t search_seqno; uint16_t search_seqno;
if (up->flags & UNI_FRAG_HEAD) if (up->flags & BATADV_UNI_FRAG_HEAD)
search_seqno = ntohs(up->seqno)+1; search_seqno = ntohs(up->seqno)+1;
else else
search_seqno = ntohs(up->seqno)-1; search_seqno = ntohs(up->seqno)-1;
@@ -134,12 +136,12 @@ batadv_frag_search_packet(struct list_head *head,
if (tfp->seqno == ntohs(up->seqno)) if (tfp->seqno == ntohs(up->seqno))
goto mov_tail; goto mov_tail;
tmp_up = (struct unicast_frag_packet *)tfp->skb->data; tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
if (tfp->seqno == search_seqno) { if (tfp->seqno == search_seqno) {
if ((tmp_up->flags & UNI_FRAG_HEAD) != if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) !=
(up->flags & UNI_FRAG_HEAD)) (up->flags & BATADV_UNI_FRAG_HEAD))
return tfp; return tfp;
else else
goto mov_tail; goto mov_tail;
@@ -154,7 +156,7 @@ mov_tail:
void batadv_frag_list_free(struct list_head *head) void batadv_frag_list_free(struct list_head *head)
{ {
struct frag_packet_list_entry *pf, *tmp_pf; struct batadv_frag_packet_list_entry *pf, *tmp_pf;
if (!list_empty(head)) { if (!list_empty(head)) {
@@ -173,15 +175,16 @@ void batadv_frag_list_free(struct list_head *head)
* or the skb could be reassembled (skb_new will point to the new packet and * or the skb could be reassembled (skb_new will point to the new packet and
* skb was freed) * skb was freed)
*/ */
int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, int batadv_frag_reassemble_skb(struct sk_buff *skb,
struct batadv_priv *bat_priv,
struct sk_buff **new_skb) struct sk_buff **new_skb)
{ {
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct frag_packet_list_entry *tmp_frag_entry; struct batadv_frag_packet_list_entry *tmp_frag_entry;
int ret = NET_RX_DROP; int ret = NET_RX_DROP;
struct unicast_frag_packet *unicast_packet = struct batadv_unicast_frag_packet *unicast_packet;
(struct unicast_frag_packet *)skb->data;
unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
*new_skb = NULL; *new_skb = NULL;
orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig); orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig);
@@ -217,13 +220,14 @@ out:
return ret; return ret;
} }
int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
struct hard_iface *hard_iface, const uint8_t dstaddr[]) struct batadv_hard_iface *hard_iface,
const uint8_t dstaddr[])
{ {
struct unicast_packet tmp_uc, *unicast_packet; struct batadv_unicast_packet tmp_uc, *unicast_packet;
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct sk_buff *frag_skb; struct sk_buff *frag_skb;
struct unicast_frag_packet *frag1, *frag2; struct batadv_unicast_frag_packet *frag1, *frag2;
int uc_hdr_len = sizeof(*unicast_packet); int uc_hdr_len = sizeof(*unicast_packet);
int ucf_hdr_len = sizeof(*frag1); int ucf_hdr_len = sizeof(*frag1);
int data_len = skb->len - uc_hdr_len; int data_len = skb->len - uc_hdr_len;
@@ -239,7 +243,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
goto dropped; goto dropped;
skb_reserve(frag_skb, ucf_hdr_len); skb_reserve(frag_skb, ucf_hdr_len);
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
memcpy(&tmp_uc, unicast_packet, uc_hdr_len); memcpy(&tmp_uc, unicast_packet, uc_hdr_len);
skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len); skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len);
@@ -247,22 +251,22 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0) batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0)
goto drop_frag; goto drop_frag;
frag1 = (struct unicast_frag_packet *)skb->data; frag1 = (struct batadv_unicast_frag_packet *)skb->data;
frag2 = (struct unicast_frag_packet *)frag_skb->data; frag2 = (struct batadv_unicast_frag_packet *)frag_skb->data;
memcpy(frag1, &tmp_uc, sizeof(tmp_uc)); memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
frag1->header.ttl--; frag1->header.ttl--;
frag1->header.version = BATADV_COMPAT_VERSION; frag1->header.version = BATADV_COMPAT_VERSION;
frag1->header.packet_type = BAT_UNICAST_FRAG; frag1->header.packet_type = BATADV_UNICAST_FRAG;
memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(frag2, frag1, sizeof(*frag2)); memcpy(frag2, frag1, sizeof(*frag2));
if (data_len & 1) if (data_len & 1)
large_tail = UNI_FRAG_LARGETAIL; large_tail = BATADV_UNI_FRAG_LARGETAIL;
frag1->flags = UNI_FRAG_HEAD | large_tail; frag1->flags = BATADV_UNI_FRAG_HEAD | large_tail;
frag2->flags = large_tail; frag2->flags = large_tail;
seqno = atomic_add_return(2, &hard_iface->frag_seqno); seqno = atomic_add_return(2, &hard_iface->frag_seqno);
@@ -284,14 +288,15 @@ out:
return ret; return ret;
} }
int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv)
{ {
struct ethhdr *ethhdr = (struct ethhdr *)skb->data; struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
struct unicast_packet *unicast_packet; struct batadv_unicast_packet *unicast_packet;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct neigh_node *neigh_node; struct batadv_neigh_node *neigh_node;
int data_len = skb->len; int data_len = skb->len;
int ret = 1; int ret = 1;
unsigned int dev_mtu;
/* get routing information */ /* get routing information */
if (is_multicast_ether_addr(ethhdr->h_dest)) { if (is_multicast_ether_addr(ethhdr->h_dest)) {
@@ -305,23 +310,25 @@ int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
*/ */
orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source, orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
ethhdr->h_dest); ethhdr->h_dest);
find_router: find_router:
/* find_router(): /* find_router():
* - if orig_node is NULL it returns NULL * - if orig_node is NULL it returns NULL
* - increases neigh_nodes refcount if found. * - increases neigh_nodes refcount if found.
*/ */
neigh_node = batadv_find_router(bat_priv, orig_node, NULL); neigh_node = batadv_find_router(bat_priv, orig_node, NULL);
if (!neigh_node) if (!neigh_node)
goto out; goto out;
if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0) if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
goto out; goto out;
unicast_packet = (struct unicast_packet *)skb->data; unicast_packet = (struct batadv_unicast_packet *)skb->data;
unicast_packet->header.version = BATADV_COMPAT_VERSION; unicast_packet->header.version = BATADV_COMPAT_VERSION;
/* batman packet type: unicast */ /* batman packet type: unicast */
unicast_packet->header.packet_type = BAT_UNICAST; unicast_packet->header.packet_type = BATADV_UNICAST;
/* set unicast ttl */ /* set unicast ttl */
unicast_packet->header.ttl = BATADV_TTL; unicast_packet->header.ttl = BATADV_TTL;
/* copy the destination for faster routing */ /* copy the destination for faster routing */
@@ -338,9 +345,9 @@ find_router:
if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest)) if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
unicast_packet->ttvn = unicast_packet->ttvn - 1; unicast_packet->ttvn = unicast_packet->ttvn - 1;
dev_mtu = neigh_node->if_incoming->net_dev->mtu;
if (atomic_read(&bat_priv->fragmentation) && if (atomic_read(&bat_priv->fragmentation) &&
data_len + sizeof(*unicast_packet) > data_len + sizeof(*unicast_packet) > dev_mtu) {
neigh_node->if_incoming->net_dev->mtu) {
/* send frag skb decreases ttl */ /* send frag skb decreases ttl */
unicast_packet->header.ttl++; unicast_packet->header.ttl++;
ret = batadv_frag_send_skb(skb, bat_priv, ret = batadv_frag_send_skb(skb, bat_priv,

19
net/batman-adv/unicast.h
View File

@@ -25,31 +25,32 @@
#define BATADV_FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */ #define BATADV_FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */
#define BATADV_FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */ #define BATADV_FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */
int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, int batadv_frag_reassemble_skb(struct sk_buff *skb,
struct batadv_priv *bat_priv,
struct sk_buff **new_skb); struct sk_buff **new_skb);
void batadv_frag_list_free(struct list_head *head); void batadv_frag_list_free(struct list_head *head);
int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv); int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv);
int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv,
struct hard_iface *hard_iface, struct batadv_hard_iface *hard_iface,
const uint8_t dstaddr[]); const uint8_t dstaddr[]);
static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu) static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu)
{ {
const struct unicast_frag_packet *unicast_packet; const struct batadv_unicast_frag_packet *unicast_packet;
int uneven_correction = 0; int uneven_correction = 0;
unsigned int merged_size; unsigned int merged_size;
unicast_packet = (struct unicast_frag_packet *)skb->data; unicast_packet = (struct batadv_unicast_frag_packet *)skb->data;
if (unicast_packet->flags & UNI_FRAG_LARGETAIL) { if (unicast_packet->flags & BATADV_UNI_FRAG_LARGETAIL) {
if (unicast_packet->flags & UNI_FRAG_HEAD) if (unicast_packet->flags & BATADV_UNI_FRAG_HEAD)
uneven_correction = 1; uneven_correction = 1;
else else
uneven_correction = -1; uneven_correction = -1;
} }
merged_size = (skb->len - sizeof(*unicast_packet)) * 2; merged_size = (skb->len - sizeof(*unicast_packet)) * 2;
merged_size += sizeof(struct unicast_packet) + uneven_correction; merged_size += sizeof(struct batadv_unicast_packet) + uneven_correction;
return merged_size <= mtu; return merged_size <= mtu;
} }

284
net/batman-adv/vis.c
View File

@@ -28,14 +28,17 @@
#define BATADV_MAX_VIS_PACKET_SIZE 1000 #define BATADV_MAX_VIS_PACKET_SIZE 1000
static void batadv_start_vis_timer(struct bat_priv *bat_priv); static void batadv_start_vis_timer(struct batadv_priv *bat_priv);
/* free the info */ /* free the info */
static void batadv_free_info(struct kref *ref) static void batadv_free_info(struct kref *ref)
{ {
struct vis_info *info = container_of(ref, struct vis_info, refcount); struct batadv_vis_info *info;
struct bat_priv *bat_priv = info->bat_priv; struct batadv_priv *bat_priv;
struct recvlist_node *entry, *tmp; struct batadv_recvlist_node *entry, *tmp;
info = container_of(ref, struct batadv_vis_info, refcount);
bat_priv = info->bat_priv;
list_del_init(&info->send_list); list_del_init(&info->send_list);
spin_lock_bh(&bat_priv->vis_list_lock); spin_lock_bh(&bat_priv->vis_list_lock);
@@ -52,13 +55,13 @@ static void batadv_free_info(struct kref *ref)
/* Compare two vis packets, used by the hashing algorithm */ /* Compare two vis packets, used by the hashing algorithm */
static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
{ {
const struct vis_info *d1, *d2; const struct batadv_vis_info *d1, *d2;
const struct vis_packet *p1, *p2; const struct batadv_vis_packet *p1, *p2;
d1 = container_of(node, struct vis_info, hash_entry); d1 = container_of(node, struct batadv_vis_info, hash_entry);
d2 = data2; d2 = data2;
p1 = (struct vis_packet *)d1->skb_packet->data; p1 = (struct batadv_vis_packet *)d1->skb_packet->data;
p2 = (struct vis_packet *)d2->skb_packet->data; p2 = (struct batadv_vis_packet *)d2->skb_packet->data;
return batadv_compare_eth(p1->vis_orig, p2->vis_orig); return batadv_compare_eth(p1->vis_orig, p2->vis_orig);
} }
@@ -67,13 +70,13 @@ static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2)
*/ */
static uint32_t batadv_vis_info_choose(const void *data, uint32_t size) static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
{ {
const struct vis_info *vis_info = data; const struct batadv_vis_info *vis_info = data;
const struct vis_packet *packet; const struct batadv_vis_packet *packet;
const unsigned char *key; const unsigned char *key;
uint32_t hash = 0; uint32_t hash = 0;
size_t i; size_t i;
packet = (struct vis_packet *)vis_info->skb_packet->data; packet = (struct batadv_vis_packet *)vis_info->skb_packet->data;
key = packet->vis_orig; key = packet->vis_orig;
for (i = 0; i < ETH_ALEN; i++) { for (i = 0; i < ETH_ALEN; i++) {
hash += key[i]; hash += key[i];
@@ -88,13 +91,13 @@ static uint32_t batadv_vis_info_choose(const void *data, uint32_t size)
return hash % size; return hash % size;
} }
static struct vis_info *batadv_vis_hash_find(struct bat_priv *bat_priv, static struct batadv_vis_info *
const void *data) batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data)
{ {
struct hashtable_t *hash = bat_priv->vis_hash; struct batadv_hashtable *hash = bat_priv->vis_hash;
struct hlist_head *head; struct hlist_head *head;
struct hlist_node *node; struct hlist_node *node;
struct vis_info *vis_info, *vis_info_tmp = NULL; struct batadv_vis_info *vis_info, *vis_info_tmp = NULL;
uint32_t index; uint32_t index;
if (!hash) if (!hash)
@@ -123,7 +126,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface,
struct hlist_head *if_list, struct hlist_head *if_list,
bool primary) bool primary)
{ {
struct if_list_entry *entry; struct batadv_if_list_entry *entry;
struct hlist_node *pos; struct hlist_node *pos;
hlist_for_each_entry(entry, pos, if_list, list) { hlist_for_each_entry(entry, pos, if_list, list) {
@@ -143,7 +146,7 @@ static void batadv_vis_data_insert_interface(const uint8_t *interface,
static void batadv_vis_data_read_prim_sec(struct seq_file *seq, static void batadv_vis_data_read_prim_sec(struct seq_file *seq,
const struct hlist_head *if_list) const struct hlist_head *if_list)
{ {
struct if_list_entry *entry; struct batadv_if_list_entry *entry;
struct hlist_node *pos; struct hlist_node *pos;
hlist_for_each_entry(entry, pos, if_list, list) { hlist_for_each_entry(entry, pos, if_list, list) {
@@ -155,9 +158,10 @@ static void batadv_vis_data_read_prim_sec(struct seq_file *seq,
} }
/* read an entry */ /* read an entry */
static ssize_t batadv_vis_data_read_entry(struct seq_file *seq, static ssize_t
const struct vis_info_entry *entry, batadv_vis_data_read_entry(struct seq_file *seq,
const uint8_t *src, bool primary) const struct batadv_vis_info_entry *entry,
const uint8_t *src, bool primary)
{ {
if (primary && entry->quality == 0) if (primary && entry->quality == 0)
return seq_printf(seq, "TT %pM, ", entry->dest); return seq_printf(seq, "TT %pM, ", entry->dest);
@@ -168,9 +172,10 @@ static ssize_t batadv_vis_data_read_entry(struct seq_file *seq,
return 0; return 0;
} }
static void batadv_vis_data_insert_interfaces(struct hlist_head *list, static void
struct vis_packet *packet, batadv_vis_data_insert_interfaces(struct hlist_head *list,
struct vis_info_entry *entries) struct batadv_vis_packet *packet,
struct batadv_vis_info_entry *entries)
{ {
int i; int i;
@@ -187,11 +192,11 @@ static void batadv_vis_data_insert_interfaces(struct hlist_head *list,
static void batadv_vis_data_read_entries(struct seq_file *seq, static void batadv_vis_data_read_entries(struct seq_file *seq,
struct hlist_head *list, struct hlist_head *list,
struct vis_packet *packet, struct batadv_vis_packet *packet,
struct vis_info_entry *entries) struct batadv_vis_info_entry *entries)
{ {
int i; int i;
struct if_list_entry *entry; struct batadv_if_list_entry *entry;
struct hlist_node *pos; struct hlist_node *pos;
hlist_for_each_entry(entry, pos, list, list) { hlist_for_each_entry(entry, pos, list, list) {
@@ -213,19 +218,19 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
const struct hlist_head *head) const struct hlist_head *head)
{ {
struct hlist_node *node; struct hlist_node *node;
struct vis_info *info; struct batadv_vis_info *info;
struct vis_packet *packet; struct batadv_vis_packet *packet;
uint8_t *entries_pos; uint8_t *entries_pos;
struct vis_info_entry *entries; struct batadv_vis_info_entry *entries;
struct if_list_entry *entry; struct batadv_if_list_entry *entry;
struct hlist_node *pos, *n; struct hlist_node *pos, *n;
HLIST_HEAD(vis_if_list); HLIST_HEAD(vis_if_list);
hlist_for_each_entry_rcu(info, node, head, hash_entry) { hlist_for_each_entry_rcu(info, node, head, hash_entry) {
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
entries_pos = (uint8_t *)packet + sizeof(*packet); entries_pos = (uint8_t *)packet + sizeof(*packet);
entries = (struct vis_info_entry *)entries_pos; entries = (struct batadv_vis_info_entry *)entries_pos;
batadv_vis_data_insert_interface(packet->vis_orig, &vis_if_list, batadv_vis_data_insert_interface(packet->vis_orig, &vis_if_list,
true); true);
@@ -243,11 +248,11 @@ static void batadv_vis_seq_print_text_bucket(struct seq_file *seq,
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset) int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
{ {
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct hlist_head *head; struct hlist_head *head;
struct net_device *net_dev = (struct net_device *)seq->private; struct net_device *net_dev = (struct net_device *)seq->private;
struct bat_priv *bat_priv = netdev_priv(net_dev); struct batadv_priv *bat_priv = netdev_priv(net_dev);
struct hashtable_t *hash = bat_priv->vis_hash; struct batadv_hashtable *hash = bat_priv->vis_hash;
uint32_t i; uint32_t i;
int ret = 0; int ret = 0;
int vis_server = atomic_read(&bat_priv->vis_mode); int vis_server = atomic_read(&bat_priv->vis_mode);
@@ -256,7 +261,7 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset)
if (!primary_if) if (!primary_if)
goto out; goto out;
if (vis_server == VIS_TYPE_CLIENT_UPDATE) if (vis_server == BATADV_VIS_TYPE_CLIENT_UPDATE)
goto out; goto out;
spin_lock_bh(&bat_priv->vis_hash_lock); spin_lock_bh(&bat_priv->vis_hash_lock);
@@ -275,8 +280,8 @@ out:
/* add the info packet to the send list, if it was not /* add the info packet to the send list, if it was not
* already linked in. * already linked in.
*/ */
static void batadv_send_list_add(struct bat_priv *bat_priv, static void batadv_send_list_add(struct batadv_priv *bat_priv,
struct vis_info *info) struct batadv_vis_info *info)
{ {
if (list_empty(&info->send_list)) { if (list_empty(&info->send_list)) {
kref_get(&info->refcount); kref_get(&info->refcount);
@@ -287,7 +292,7 @@ static void batadv_send_list_add(struct bat_priv *bat_priv,
/* delete the info packet from the send list, if it was /* delete the info packet from the send list, if it was
* linked in. * linked in.
*/ */
static void batadv_send_list_del(struct vis_info *info) static void batadv_send_list_del(struct batadv_vis_info *info)
{ {
if (!list_empty(&info->send_list)) { if (!list_empty(&info->send_list)) {
list_del_init(&info->send_list); list_del_init(&info->send_list);
@@ -296,10 +301,10 @@ static void batadv_send_list_del(struct vis_info *info)
} }
/* tries to add one entry to the receive list. */ /* tries to add one entry to the receive list. */
static void batadv_recv_list_add(struct bat_priv *bat_priv, static void batadv_recv_list_add(struct batadv_priv *bat_priv,
struct list_head *recv_list, const char *mac) struct list_head *recv_list, const char *mac)
{ {
struct recvlist_node *entry; struct batadv_recvlist_node *entry;
entry = kmalloc(sizeof(*entry), GFP_ATOMIC); entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
if (!entry) if (!entry)
@@ -312,11 +317,11 @@ static void batadv_recv_list_add(struct bat_priv *bat_priv,
} }
/* returns 1 if this mac is in the recv_list */ /* returns 1 if this mac is in the recv_list */
static int batadv_recv_list_is_in(struct bat_priv *bat_priv, static int batadv_recv_list_is_in(struct batadv_priv *bat_priv,
const struct list_head *recv_list, const struct list_head *recv_list,
const char *mac) const char *mac)
{ {
const struct recvlist_node *entry; const struct batadv_recvlist_node *entry;
spin_lock_bh(&bat_priv->vis_list_lock); spin_lock_bh(&bat_priv->vis_list_lock);
list_for_each_entry(entry, recv_list, list) { list_for_each_entry(entry, recv_list, list) {
@@ -333,16 +338,19 @@ static int batadv_recv_list_is_in(struct bat_priv *bat_priv,
* broken.. ). vis hash must be locked outside. is_new is set when the packet * broken.. ). vis hash must be locked outside. is_new is set when the packet
* is newer than old entries in the hash. * is newer than old entries in the hash.
*/ */
static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv, static struct batadv_vis_info *
struct vis_packet *vis_packet, batadv_add_packet(struct batadv_priv *bat_priv,
int vis_info_len, int *is_new, struct batadv_vis_packet *vis_packet, int vis_info_len,
int make_broadcast) int *is_new, int make_broadcast)
{ {
struct vis_info *info, *old_info; struct batadv_vis_info *info, *old_info;
struct vis_packet *search_packet, *old_packet; struct batadv_vis_packet *search_packet, *old_packet;
struct vis_info search_elem; struct batadv_vis_info search_elem;
struct vis_packet *packet; struct batadv_vis_packet *packet;
struct sk_buff *tmp_skb;
int hash_added; int hash_added;
size_t len;
size_t max_entries;
*is_new = 0; *is_new = 0;
/* sanity check */ /* sanity check */
@@ -353,15 +361,17 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet)); search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet));
if (!search_elem.skb_packet) if (!search_elem.skb_packet)
return NULL; return NULL;
search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet, len = sizeof(*search_packet);
sizeof(*search_packet)); tmp_skb = search_elem.skb_packet;
search_packet = (struct batadv_vis_packet *)skb_put(tmp_skb, len);
memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN); memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
old_info = batadv_vis_hash_find(bat_priv, &search_elem); old_info = batadv_vis_hash_find(bat_priv, &search_elem);
kfree_skb(search_elem.skb_packet); kfree_skb(search_elem.skb_packet);
if (old_info) { if (old_info) {
old_packet = (struct vis_packet *)old_info->skb_packet->data; tmp_skb = old_info->skb_packet;
old_packet = (struct batadv_vis_packet *)tmp_skb->data;
if (!batadv_seq_after(ntohl(vis_packet->seqno), if (!batadv_seq_after(ntohl(vis_packet->seqno),
ntohl(old_packet->seqno))) { ntohl(old_packet->seqno))) {
if (old_packet->seqno == vis_packet->seqno) { if (old_packet->seqno == vis_packet->seqno) {
@@ -385,22 +395,21 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
if (!info) if (!info)
return NULL; return NULL;
info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len + len = sizeof(*packet) + vis_info_len;
ETH_HLEN); info->skb_packet = dev_alloc_skb(len + ETH_HLEN);
if (!info->skb_packet) { if (!info->skb_packet) {
kfree(info); kfree(info);
return NULL; return NULL;
} }
skb_reserve(info->skb_packet, ETH_HLEN); skb_reserve(info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet) packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len);
+ vis_info_len);
kref_init(&info->refcount); kref_init(&info->refcount);
INIT_LIST_HEAD(&info->send_list); INIT_LIST_HEAD(&info->send_list);
INIT_LIST_HEAD(&info->recv_list); INIT_LIST_HEAD(&info->recv_list);
info->first_seen = jiffies; info->first_seen = jiffies;
info->bat_priv = bat_priv; info->bat_priv = bat_priv;
memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len); memcpy(packet, vis_packet, len);
/* initialize and add new packet. */ /* initialize and add new packet. */
*is_new = 1; *is_new = 1;
@@ -410,8 +419,9 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN);
/* repair if entries is longer than packet. */ /* repair if entries is longer than packet. */
if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len) max_entries = vis_info_len / sizeof(struct batadv_vis_info_entry);
packet->entries = vis_info_len / sizeof(struct vis_info_entry); if (packet->entries > max_entries)
packet->entries = max_entries;
batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig); batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig);
@@ -429,15 +439,15 @@ static struct vis_info *batadv_add_packet(struct bat_priv *bat_priv,
} }
/* handle the server sync packet, forward if needed. */ /* handle the server sync packet, forward if needed. */
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv,
struct vis_packet *vis_packet, struct batadv_vis_packet *vis_packet,
int vis_info_len) int vis_info_len)
{ {
struct vis_info *info; struct batadv_vis_info *info;
int is_new, make_broadcast; int is_new, make_broadcast;
int vis_server = atomic_read(&bat_priv->vis_mode); int vis_server = atomic_read(&bat_priv->vis_mode);
make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC); make_broadcast = (vis_server == BATADV_VIS_TYPE_SERVER_SYNC);
spin_lock_bh(&bat_priv->vis_hash_lock); spin_lock_bh(&bat_priv->vis_hash_lock);
info = batadv_add_packet(bat_priv, vis_packet, vis_info_len, info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
@@ -448,19 +458,19 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv,
/* only if we are server ourselves and packet is newer than the one in /* only if we are server ourselves and packet is newer than the one in
* hash. * hash.
*/ */
if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC && is_new)
batadv_send_list_add(bat_priv, info); batadv_send_list_add(bat_priv, info);
end: end:
spin_unlock_bh(&bat_priv->vis_hash_lock); spin_unlock_bh(&bat_priv->vis_hash_lock);
} }
/* handle an incoming client update packet and schedule forward if needed. */ /* handle an incoming client update packet and schedule forward if needed. */
void batadv_receive_client_update_packet(struct bat_priv *bat_priv, void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
struct vis_packet *vis_packet, struct batadv_vis_packet *vis_packet,
int vis_info_len) int vis_info_len)
{ {
struct vis_info *info; struct batadv_vis_info *info;
struct vis_packet *packet; struct batadv_vis_packet *packet;
int is_new; int is_new;
int vis_server = atomic_read(&bat_priv->vis_mode); int vis_server = atomic_read(&bat_priv->vis_mode);
int are_target = 0; int are_target = 0;
@@ -470,7 +480,7 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
return; return;
/* Are we the target for this VIS packet? */ /* Are we the target for this VIS packet? */
if (vis_server == VIS_TYPE_SERVER_SYNC && if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC &&
batadv_is_my_mac(vis_packet->target_orig)) batadv_is_my_mac(vis_packet->target_orig))
are_target = 1; are_target = 1;
@@ -482,11 +492,11 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv,
goto end; goto end;
/* note that outdated packets will be dropped at this point. */ /* note that outdated packets will be dropped at this point. */
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send only if we're the target server or ... */ /* send only if we're the target server or ... */
if (are_target && is_new) { if (are_target && is_new) {
packet->vis_type = VIS_TYPE_SERVER_SYNC; /* upgrade! */ packet->vis_type = BATADV_VIS_TYPE_SERVER_SYNC; /* upgrade! */
batadv_send_list_add(bat_priv, info); batadv_send_list_add(bat_priv, info);
/* ... we're not the recipient (and thus need to forward). */ /* ... we're not the recipient (and thus need to forward). */
@@ -503,19 +513,19 @@ end:
* *
* Must be called with the originator hash locked * Must be called with the originator hash locked
*/ */
static int batadv_find_best_vis_server(struct bat_priv *bat_priv, static int batadv_find_best_vis_server(struct batadv_priv *bat_priv,
struct vis_info *info) struct batadv_vis_info *info)
{ {
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct neigh_node *router; struct batadv_neigh_node *router;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct vis_packet *packet; struct batadv_vis_packet *packet;
int best_tq = -1; int best_tq = -1;
uint32_t i; uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
for (i = 0; i < hash->size; i++) { for (i = 0; i < hash->size; i++) {
head = &hash->table[i]; head = &hash->table[i];
@@ -526,7 +536,7 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
if (!router) if (!router)
continue; continue;
if ((orig_node->flags & VIS_SERVER) && if ((orig_node->flags & BATADV_VIS_SERVER) &&
(router->tq_avg > best_tq)) { (router->tq_avg > best_tq)) {
best_tq = router->tq_avg; best_tq = router->tq_avg;
memcpy(packet->target_orig, orig_node->orig, memcpy(packet->target_orig, orig_node->orig,
@@ -541,15 +551,15 @@ static int batadv_find_best_vis_server(struct bat_priv *bat_priv,
} }
/* Return true if the vis packet is full. */ /* Return true if the vis packet is full. */
static bool batadv_vis_packet_full(const struct vis_info *info) static bool batadv_vis_packet_full(const struct batadv_vis_info *info)
{ {
const struct vis_packet *packet; const struct batadv_vis_packet *packet;
size_t num_items; size_t num;
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry); num = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct batadv_vis_info_entry);
if (num_items < packet->entries + 1) if (num < packet->entries + 1)
return true; return true;
return false; return false;
} }
@@ -557,30 +567,32 @@ static bool batadv_vis_packet_full(const struct vis_info *info)
/* generates a packet of own vis data, /* generates a packet of own vis data,
* returns 0 on success, -1 if no packet could be generated * returns 0 on success, -1 if no packet could be generated
*/ */
static int batadv_generate_vis_packet(struct bat_priv *bat_priv) static int batadv_generate_vis_packet(struct batadv_priv *bat_priv)
{ {
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct neigh_node *router; struct batadv_neigh_node *router;
struct vis_info *info = bat_priv->my_vis_info; struct batadv_vis_info *info = bat_priv->my_vis_info;
struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data; struct batadv_vis_packet *packet;
struct vis_info_entry *entry; struct batadv_vis_info_entry *entry;
struct tt_common_entry *tt_common_entry; struct batadv_tt_common_entry *tt_common_entry;
int best_tq = -1; int best_tq = -1;
uint32_t i; uint32_t i;
info->first_seen = jiffies; info->first_seen = jiffies;
packet = (struct batadv_vis_packet *)info->skb_packet->data;
packet->vis_type = atomic_read(&bat_priv->vis_mode); packet->vis_type = atomic_read(&bat_priv->vis_mode);
memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN);
packet->header.ttl = BATADV_TTL; packet->header.ttl = BATADV_TTL;
packet->seqno = htonl(ntohl(packet->seqno) + 1); packet->seqno = htonl(ntohl(packet->seqno) + 1);
packet->entries = 0; packet->entries = 0;
packet->reserved = 0;
skb_trim(info->skb_packet, sizeof(*packet)); skb_trim(info->skb_packet, sizeof(*packet));
if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) { if (packet->vis_type == BATADV_VIS_TYPE_CLIENT_UPDATE) {
best_tq = batadv_find_best_vis_server(bat_priv, info); best_tq = batadv_find_best_vis_server(bat_priv, info);
if (best_tq < 0) if (best_tq < 0)
@@ -599,14 +611,14 @@ static int batadv_generate_vis_packet(struct bat_priv *bat_priv)
if (!batadv_compare_eth(router->addr, orig_node->orig)) if (!batadv_compare_eth(router->addr, orig_node->orig))
goto next; goto next;
if (router->if_incoming->if_status != IF_ACTIVE) if (router->if_incoming->if_status != BATADV_IF_ACTIVE)
goto next; goto next;
if (router->tq_avg < 1) if (router->tq_avg < 1)
goto next; goto next;
/* fill one entry into buffer. */ /* fill one entry into buffer. */
entry = (struct vis_info_entry *) entry = (struct batadv_vis_info_entry *)
skb_put(info->skb_packet, sizeof(*entry)); skb_put(info->skb_packet, sizeof(*entry));
memcpy(entry->src, memcpy(entry->src,
router->if_incoming->net_dev->dev_addr, router->if_incoming->net_dev->dev_addr,
@@ -632,7 +644,7 @@ next:
rcu_read_lock(); rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry, node, head, hlist_for_each_entry_rcu(tt_common_entry, node, head,
hash_entry) { hash_entry) {
entry = (struct vis_info_entry *) entry = (struct batadv_vis_info_entry *)
skb_put(info->skb_packet, skb_put(info->skb_packet,
sizeof(*entry)); sizeof(*entry));
memset(entry->src, 0, ETH_ALEN); memset(entry->src, 0, ETH_ALEN);
@@ -656,13 +668,13 @@ unlock:
/* free old vis packets. Must be called with this vis_hash_lock /* free old vis packets. Must be called with this vis_hash_lock
* held * held
*/ */
static void batadv_purge_vis_packets(struct bat_priv *bat_priv) static void batadv_purge_vis_packets(struct batadv_priv *bat_priv)
{ {
uint32_t i; uint32_t i;
struct hashtable_t *hash = bat_priv->vis_hash; struct batadv_hashtable *hash = bat_priv->vis_hash;
struct hlist_node *node, *node_tmp; struct hlist_node *node, *node_tmp;
struct hlist_head *head; struct hlist_head *head;
struct vis_info *info; struct batadv_vis_info *info;
for (i = 0; i < hash->size; i++) { for (i = 0; i < hash->size; i++) {
head = &hash->table[i]; head = &hash->table[i];
@@ -683,22 +695,22 @@ static void batadv_purge_vis_packets(struct bat_priv *bat_priv)
} }
} }
static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv, static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv,
struct vis_info *info) struct batadv_vis_info *info)
{ {
struct neigh_node *router; struct batadv_neigh_node *router;
struct hashtable_t *hash = bat_priv->orig_hash; struct batadv_hashtable *hash = bat_priv->orig_hash;
struct hlist_node *node; struct hlist_node *node;
struct hlist_head *head; struct hlist_head *head;
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct vis_packet *packet; struct batadv_vis_packet *packet;
struct sk_buff *skb; struct sk_buff *skb;
struct hard_iface *hard_iface; struct batadv_hard_iface *hard_iface;
uint8_t dstaddr[ETH_ALEN]; uint8_t dstaddr[ETH_ALEN];
uint32_t i; uint32_t i;
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
/* send to all routers in range. */ /* send to all routers in range. */
for (i = 0; i < hash->size; i++) { for (i = 0; i < hash->size; i++) {
@@ -707,7 +719,7 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
rcu_read_lock(); rcu_read_lock();
hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) {
/* if it's a vis server and reachable, send it. */ /* if it's a vis server and reachable, send it. */
if (!(orig_node->flags & VIS_SERVER)) if (!(orig_node->flags & BATADV_VIS_SERVER))
continue; continue;
router = batadv_orig_node_get_router(orig_node); router = batadv_orig_node_get_router(orig_node);
@@ -739,15 +751,15 @@ static void batadv_broadcast_vis_packet(struct bat_priv *bat_priv,
} }
} }
static void batadv_unicast_vis_packet(struct bat_priv *bat_priv, static void batadv_unicast_vis_packet(struct batadv_priv *bat_priv,
struct vis_info *info) struct batadv_vis_info *info)
{ {
struct orig_node *orig_node; struct batadv_orig_node *orig_node;
struct neigh_node *router = NULL; struct batadv_neigh_node *router = NULL;
struct sk_buff *skb; struct sk_buff *skb;
struct vis_packet *packet; struct batadv_vis_packet *packet;
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig); orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig);
if (!orig_node) if (!orig_node)
@@ -769,17 +781,17 @@ out:
} }
/* only send one vis packet. called from batadv_send_vis_packets() */ /* only send one vis packet. called from batadv_send_vis_packets() */
static void batadv_send_vis_packet(struct bat_priv *bat_priv, static void batadv_send_vis_packet(struct batadv_priv *bat_priv,
struct vis_info *info) struct batadv_vis_info *info)
{ {
struct hard_iface *primary_if; struct batadv_hard_iface *primary_if;
struct vis_packet *packet; struct batadv_vis_packet *packet;
primary_if = batadv_primary_if_get_selected(bat_priv); primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if) if (!primary_if)
goto out; goto out;
packet = (struct vis_packet *)info->skb_packet->data; packet = (struct batadv_vis_packet *)info->skb_packet->data;
if (packet->header.ttl < 2) { if (packet->header.ttl < 2) {
pr_debug("Error - can't send vis packet: ttl exceeded\n"); pr_debug("Error - can't send vis packet: ttl exceeded\n");
goto out; goto out;
@@ -804,10 +816,10 @@ static void batadv_send_vis_packets(struct work_struct *work)
{ {
struct delayed_work *delayed_work = struct delayed_work *delayed_work =
container_of(work, struct delayed_work, work); container_of(work, struct delayed_work, work);
struct bat_priv *bat_priv = struct batadv_priv *bat_priv;
container_of(delayed_work, struct bat_priv, vis_work); struct batadv_vis_info *info;
struct vis_info *info;
bat_priv = container_of(delayed_work, struct batadv_priv, vis_work);
spin_lock_bh(&bat_priv->vis_hash_lock); spin_lock_bh(&bat_priv->vis_hash_lock);
batadv_purge_vis_packets(bat_priv); batadv_purge_vis_packets(bat_priv);
@@ -836,12 +848,13 @@ static void batadv_send_vis_packets(struct work_struct *work)
/* init the vis server. this may only be called when if_list is already /* init the vis server. this may only be called when if_list is already
* initialized (e.g. bat0 is initialized, interfaces have been added) * initialized (e.g. bat0 is initialized, interfaces have been added)
*/ */
int batadv_vis_init(struct bat_priv *bat_priv) int batadv_vis_init(struct batadv_priv *bat_priv)
{ {
struct vis_packet *packet; struct batadv_vis_packet *packet;
int hash_added; int hash_added;
unsigned int len; unsigned int len;
unsigned long first_seen; unsigned long first_seen;
struct sk_buff *tmp_skb;
if (bat_priv->vis_hash) if (bat_priv->vis_hash)
return 0; return 0;
@@ -864,8 +877,8 @@ int batadv_vis_init(struct bat_priv *bat_priv)
goto free_info; goto free_info;
skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN); skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN);
packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet, tmp_skb = bat_priv->my_vis_info->skb_packet;
sizeof(*packet)); packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet));
/* prefill the vis info */ /* prefill the vis info */
first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL); first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL);
@@ -875,9 +888,10 @@ int batadv_vis_init(struct bat_priv *bat_priv)
kref_init(&bat_priv->my_vis_info->refcount); kref_init(&bat_priv->my_vis_info->refcount);
bat_priv->my_vis_info->bat_priv = bat_priv; bat_priv->my_vis_info->bat_priv = bat_priv;
packet->header.version = BATADV_COMPAT_VERSION; packet->header.version = BATADV_COMPAT_VERSION;
packet->header.packet_type = BAT_VIS; packet->header.packet_type = BATADV_VIS;
packet->header.ttl = BATADV_TTL; packet->header.ttl = BATADV_TTL;
packet->seqno = 0; packet->seqno = 0;
packet->reserved = 0;
packet->entries = 0; packet->entries = 0;
INIT_LIST_HEAD(&bat_priv->vis_send_list); INIT_LIST_HEAD(&bat_priv->vis_send_list);
@@ -909,15 +923,15 @@ err:
/* Decrease the reference count on a hash item info */ /* Decrease the reference count on a hash item info */
static void batadv_free_info_ref(struct hlist_node *node, void *arg) static void batadv_free_info_ref(struct hlist_node *node, void *arg)
{ {
struct vis_info *info; struct batadv_vis_info *info;
info = container_of(node, struct vis_info, hash_entry); info = container_of(node, struct batadv_vis_info, hash_entry);
batadv_send_list_del(info); batadv_send_list_del(info);
kref_put(&info->refcount, batadv_free_info); kref_put(&info->refcount, batadv_free_info);
} }
/* shutdown vis-server */ /* shutdown vis-server */
void batadv_vis_quit(struct bat_priv *bat_priv) void batadv_vis_quit(struct batadv_priv *bat_priv)
{ {
if (!bat_priv->vis_hash) if (!bat_priv->vis_hash)
return; return;
@@ -933,7 +947,7 @@ void batadv_vis_quit(struct bat_priv *bat_priv)
} }
/* schedule packets for (re)transmission */ /* schedule packets for (re)transmission */
static void batadv_start_vis_timer(struct bat_priv *bat_priv) static void batadv_start_vis_timer(struct batadv_priv *bat_priv)
{ {
INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets); INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets);
queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work, queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work,

12
net/batman-adv/vis.h
View File

@@ -24,13 +24,13 @@
#define BATADV_VIS_TIMEOUT 200000 #define BATADV_VIS_TIMEOUT 200000
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset); int batadv_vis_seq_print_text(struct seq_file *seq, void *offset);
void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv,
struct vis_packet *vis_packet, struct batadv_vis_packet *vis_packet,
int vis_info_len); int vis_info_len);
void batadv_receive_client_update_packet(struct bat_priv *bat_priv, void batadv_receive_client_update_packet(struct batadv_priv *bat_priv,
struct vis_packet *vis_packet, struct batadv_vis_packet *vis_packet,
int vis_info_len); int vis_info_len);
int batadv_vis_init(struct bat_priv *bat_priv); int batadv_vis_init(struct batadv_priv *bat_priv);
void batadv_vis_quit(struct bat_priv *bat_priv); void batadv_vis_quit(struct batadv_priv *bat_priv);
#endif /* _NET_BATMAN_ADV_VIS_H_ */ #endif /* _NET_BATMAN_ADV_VIS_H_ */