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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 20:47:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 20:47:02 +0200
commit5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch)
tree7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /net/mac80211/agg-rx.c
parentMerge branches 'softirq-for-linus', 'x86-debug-for-linus', 'x86-numa-for-linu... (diff)
parentbnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. (diff)
downloadlinux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.tar.xz
linux-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'net/mac80211/agg-rx.c')
-rw-r--r--net/mac80211/agg-rx.c30
1 files changed, 26 insertions, 4 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 965b272499fd..720b7a84af59 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -56,7 +56,7 @@ static void ieee80211_free_tid_rx(struct rcu_head *h)
}
void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason)
+ u16 initiator, u16 reason, bool tx)
{
struct ieee80211_local *local = sta->local;
struct tid_ampdu_rx *tid_rx;
@@ -81,20 +81,21 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
"aggregation for tid %d\n", tid);
/* check if this is a self generated aggregation halt */
- if (initiator == WLAN_BACK_RECIPIENT)
+ if (initiator == WLAN_BACK_RECIPIENT && tx)
ieee80211_send_delba(sta->sdata, sta->sta.addr,
tid, 0, reason);
del_timer_sync(&tid_rx->session_timer);
+ del_timer_sync(&tid_rx->reorder_timer);
call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
}
void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- u16 initiator, u16 reason)
+ u16 initiator, u16 reason, bool tx)
{
mutex_lock(&sta->ampdu_mlme.mtx);
- ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason);
+ ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason, tx);
mutex_unlock(&sta->ampdu_mlme.mtx);
}
@@ -120,6 +121,20 @@ static void sta_rx_agg_session_timer_expired(unsigned long data)
ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work);
}
+static void sta_rx_agg_reorder_timer_expired(unsigned long data)
+{
+ u8 *ptid = (u8 *)data;
+ u8 *timer_to_id = ptid - *ptid;
+ struct sta_info *sta = container_of(timer_to_id, struct sta_info,
+ timer_to_tid[0]);
+
+ rcu_read_lock();
+ spin_lock(&sta->lock);
+ ieee80211_release_reorder_timeout(sta, *ptid);
+ spin_unlock(&sta->lock);
+ rcu_read_unlock();
+}
+
static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
u8 dialog_token, u16 status, u16 policy,
u16 buf_size, u16 timeout)
@@ -251,11 +266,18 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
goto end;
}
+ spin_lock_init(&tid_agg_rx->reorder_lock);
+
/* rx timer */
tid_agg_rx->session_timer.function = sta_rx_agg_session_timer_expired;
tid_agg_rx->session_timer.data = (unsigned long)&sta->timer_to_tid[tid];
init_timer(&tid_agg_rx->session_timer);
+ /* rx reorder timer */
+ tid_agg_rx->reorder_timer.function = sta_rx_agg_reorder_timer_expired;
+ tid_agg_rx->reorder_timer.data = (unsigned long)&sta->timer_to_tid[tid];
+ init_timer(&tid_agg_rx->reorder_timer);
+
/* prepare reordering buffer */
tid_agg_rx->reorder_buf =
kcalloc(buf_size, sizeof(struct sk_buff *), GFP_ATOMIC);