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[PATCH] ieee80211: Added handle_deauth() callback, enhanced tkip/ccmp support of varying hw/sw offload

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tree de81b55e78e85997642c651ea677078d0554a14f
parent c8030da8c159f8b82712172a6748a42523aea83a
author James Ketrenos <jketreno@linux.intel.com> 1127104380 -0500
committer James Ketrenos <jketreno@linux.intel.com> 1127315225 -0500

Added handle_deauth() callback.
Enhanced crypt_{tkip,ccmp} to support varying splits of HW/SW offload.
Changed channel freq to u32 from u16.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
James Ketrenos
2005-09-21 11:58:49 -05:00
committed by Jeff Garzik
parent 31696160c7
commit 31b59eaee8
6 changed files with 99 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
net/ieee80211/ieee80211_tx.c
View File

@@ -227,7 +227,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
rts_required;
unsigned long flags;
struct net_device_stats *stats = &ieee->stats;
int ether_type, encrypt, host_encrypt, host_encrypt_msdu;
int ether_type, encrypt, host_encrypt, host_encrypt_msdu, host_build_iv;
int bytes, fc, hdr_len;
struct sk_buff *skb_frag;
struct ieee80211_hdr_3addr header = { /* Ensure zero initialized */
@@ -263,8 +263,10 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) &&
ieee->sec.encrypt;
host_encrypt = ieee->host_encrypt && encrypt;
host_encrypt_msdu = ieee->host_encrypt_msdu && encrypt;
host_build_iv = ieee->host_build_iv && encrypt;
if (!encrypt && ieee->ieee802_1x &&
ieee->drop_unencrypted && ether_type != ETH_P_PAE) {
@@ -310,8 +312,10 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
int len = bytes + hdr_len + crypt->ops->extra_msdu_prefix_len +
crypt->ops->extra_msdu_postfix_len;
struct sk_buff *skb_new = dev_alloc_skb(len);
if (unlikely(!skb_new))
goto failed;
skb_reserve(skb_new, crypt->ops->extra_msdu_prefix_len);
memcpy(skb_put(skb_new, hdr_len), &header, hdr_len);
snapped = 1;
@@ -418,7 +422,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
for (; i < nr_frags; i++) {
skb_frag = txb->fragments[i];
if (host_encrypt)
if (host_encrypt || host_build_iv)
skb_reserve(skb_frag,
crypt->ops->extra_mpdu_prefix_len);
@@ -453,6 +457,16 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
* to insert the IV between the header and the payload */
if (host_encrypt)
ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len);
else if (host_build_iv) {
struct ieee80211_crypt_data *crypt;
crypt = ieee->crypt[ieee->tx_keyidx];
atomic_inc(&crypt->refcnt);
if (crypt->ops->build_iv)
crypt->ops->build_iv(skb_frag, hdr_len,
crypt->priv);
atomic_dec(&crypt->refcnt);
}
if (ieee->config &
(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))