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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
  macvlan: fix panic if lowerdev in a bond
  tg3: Add braces around 5906 workaround.
  tg3: Fix NETIF_F_LOOPBACK error
  macvlan: remove one synchronize_rcu() call
  networking: NET_CLS_ROUTE4 depends on INET
  irda: Fix error propagation in ircomm_lmp_connect_response()
  irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
  irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
  be2net: Kill set but unused variable 'req' in lancer_fw_download()
  irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
  atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
  rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
  pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
  isdn: capi: Use pr_debug() instead of ifdefs.
  tg3: Update version to 3.119
  tg3: Apply rx_discards fix to 5719/5720
  ...

Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
This commit is contained in:
Linus Torvalds
2011-05-20 13:43:21 -07:00
parent 8e7bfcbab3 d93515611b
commit 06f4e926d2
1198 changed files with 127024 additions and 79786 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
net/mac80211/agg-tx.c
View File

@ -136,24 +136,35 @@ void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u1
ieee80211_tx_skb(sdata, skb);
}
void ieee80211_assign_tid_tx(struct sta_info *sta, int tid,
struct tid_ampdu_tx *tid_tx)
{
lockdep_assert_held(&sta->ampdu_mlme.mtx);
lockdep_assert_held(&sta->lock);
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx);
}
int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
enum ieee80211_back_parties initiator,
bool tx)
{
struct ieee80211_local *local = sta->local;
struct tid_ampdu_tx *tid_tx = sta->ampdu_mlme.tid_tx[tid];
struct tid_ampdu_tx *tid_tx;
int ret;
lockdep_assert_held(&sta->ampdu_mlme.mtx);
if (!tid_tx)
return -ENOENT;
spin_lock_bh(&sta->lock);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx) {
spin_unlock_bh(&sta->lock);
return -ENOENT;
}
if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) {
/* not even started yet! */
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], NULL);
ieee80211_assign_tid_tx(sta, tid, NULL);
spin_unlock_bh(&sta->lock);
kfree_rcu(tid_tx, rcu_head);
return 0;
@ -275,13 +286,13 @@ ieee80211_wake_queue_agg(struct ieee80211_local *local, int tid)
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx = sta->ampdu_mlme.tid_tx[tid];
struct tid_ampdu_tx *tid_tx;
struct ieee80211_local *local = sta->local;
struct ieee80211_sub_if_data *sdata = sta->sdata;
u16 start_seq_num;
int ret;
lockdep_assert_held(&sta->ampdu_mlme.mtx);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
/*
* While we're asking the driver about the aggregation,
@ -310,7 +321,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
" tid %d\n", tid);
#endif
spin_lock_bh(&sta->lock);
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], NULL);
ieee80211_assign_tid_tx(sta, tid, NULL);
spin_unlock_bh(&sta->lock);
ieee80211_wake_queue_agg(local, tid);
@ -388,9 +399,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
goto err_unlock_sta;
}
tid_tx = sta->ampdu_mlme.tid_tx[tid];
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
/* check if the TID is not in aggregation flow already */
if (tid_tx) {
if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "BA request denied - session is not "
"idle on tid %u\n", tid);
@ -425,8 +436,11 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
sta->ampdu_mlme.dialog_token_allocator++;
tid_tx->dialog_token = sta->ampdu_mlme.dialog_token_allocator;
/* finally, assign it to the array */
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx);
/*
* Finally, assign it to the start array; the work item will
* collect it and move it to the normal array.
*/
sta->ampdu_mlme.tid_start_tx[tid] = tid_tx;
ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
@ -472,16 +486,19 @@ ieee80211_agg_splice_finish(struct ieee80211_local *local, u16 tid)
static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
struct sta_info *sta, u16 tid)
{
struct tid_ampdu_tx *tid_tx;
lockdep_assert_held(&sta->ampdu_mlme.mtx);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Aggregation is on for tid %d\n", tid);
#endif
drv_ampdu_action(local, sta->sdata,
IEEE80211_AMPDU_TX_OPERATIONAL,
&sta->sta, tid, NULL,
sta->ampdu_mlme.tid_tx[tid]->buf_size);
&sta->sta, tid, NULL, tid_tx->buf_size);
/*
* synchronize with TX path, while splicing the TX path
@ -489,13 +506,13 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
*/
spin_lock_bh(&sta->lock);
ieee80211_agg_splice_packets(local, sta->ampdu_mlme.tid_tx[tid], tid);
ieee80211_agg_splice_packets(local, tid_tx, tid);
/*
* Now mark as operational. This will be visible
* in the TX path, and lets it go lock-free in
* the common case.
*/
set_bit(HT_AGG_STATE_OPERATIONAL, &sta->ampdu_mlme.tid_tx[tid]->state);
set_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state);
ieee80211_agg_splice_finish(local, tid);
spin_unlock_bh(&sta->lock);
@ -529,7 +546,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
}
mutex_lock(&sta->ampdu_mlme.mtx);
tid_tx = sta->ampdu_mlme.tid_tx[tid];
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (WARN_ON(!tid_tx)) {
#ifdef CONFIG_MAC80211_HT_DEBUG
@ -607,7 +624,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
return -EINVAL;
spin_lock_bh(&sta->lock);
tid_tx = sta->ampdu_mlme.tid_tx[tid];
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx) {
ret = -ENOENT;
@ -663,7 +680,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
mutex_lock(&sta->ampdu_mlme.mtx);
spin_lock_bh(&sta->lock);
tid_tx = sta->ampdu_mlme.tid_tx[tid];
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
#ifdef CONFIG_MAC80211_HT_DEBUG
@ -689,7 +706,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
ieee80211_agg_splice_packets(local, tid_tx, tid);
/* future packets must not find the tid_tx struct any more */
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], NULL);
ieee80211_assign_tid_tx(sta, tid, NULL);
ieee80211_agg_splice_finish(local, tid);
@ -744,7 +761,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
mutex_lock(&sta->ampdu_mlme.mtx);
tid_tx = sta->ampdu_mlme.tid_tx[tid];
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx)
goto out;