diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 21:04:44 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 21:04:44 -0700 |
commit | f8965467f366fd18f01feafb5db10512d7b4422c (patch) | |
tree | 3706a9cd779859271ca61b85c63a1bc3f82d626e /net/mac80211/agg-rx.c | |
parent | a26272e5200765691e67d6780e52b32498fdb659 (diff) | |
parent | 2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (diff) |
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: (1674 commits)
qlcnic: adding co maintainer
ixgbe: add support for active DA cables
ixgbe: dcb, do not tag tc_prio_control frames
ixgbe: fix ixgbe_tx_is_paused logic
ixgbe: always enable vlan strip/insert when DCB is enabled
ixgbe: remove some redundant code in setting FCoE FIP filter
ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp
ixgbe: fix header len when unsplit packet overflows to data buffer
ipv6: Never schedule DAD timer on dead address
ipv6: Use POSTDAD state
ipv6: Use state_lock to protect ifa state
ipv6: Replace inet6_ifaddr->dead with state
cxgb4: notify upper drivers if the device is already up when they load
cxgb4: keep interrupts available when the ports are brought down
cxgb4: fix initial addition of MAC address
cnic: Return SPQ credit to bnx2x after ring setup and shutdown.
cnic: Convert cnic_local_flags to atomic ops.
can: Fix SJA1000 command register writes on SMP systems
bridge: fix build for CONFIG_SYSFS disabled
ARCNET: Limit com20020 PCI ID matches for SOHARD cards
...
Fix up various conflicts with pcmcia tree drivers/net/
{pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and
wireless/orinoco/spectrum_cs.c} and feature removal
(Documentation/feature-removal-schedule.txt).
Also fix a non-content conflict due to pm_qos_requirement getting
renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
Diffstat (limited to 'net/mac80211/agg-rx.c')
-rw-r--r-- | net/mac80211/agg-rx.c | 80 |
1 files changed, 31 insertions, 49 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index f9516a27e233..6bb9a9a94960 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -19,23 +19,25 @@ #include "ieee80211_i.h" #include "driver-ops.h" -void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, - u16 initiator, u16 reason) +static void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, + u16 initiator, u16 reason, + bool from_timer) { struct ieee80211_local *local = sta->local; + struct tid_ampdu_rx *tid_rx; int i; - /* check if TID is in operational state */ spin_lock_bh(&sta->lock); - if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL) { + + /* check if TID is in operational state */ + if (!sta->ampdu_mlme.tid_active_rx[tid]) { spin_unlock_bh(&sta->lock); return; } - sta->ampdu_mlme.tid_state_rx[tid] = - HT_AGG_STATE_REQ_STOP_BA_MSK | - (initiator << HT_AGG_STATE_INITIATOR_SHIFT); - spin_unlock_bh(&sta->lock); + sta->ampdu_mlme.tid_active_rx[tid] = false; + + tid_rx = sta->ampdu_mlme.tid_rx[tid]; #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "Rx BA session stop requested for %pM tid %u\n", @@ -47,61 +49,42 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, printk(KERN_DEBUG "HW problem - can not stop rx " "aggregation for tid %d\n", tid); - /* shutdown timer has not expired */ - if (initiator != WLAN_BACK_TIMER) - del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer); - /* check if this is a self generated aggregation halt */ - if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER) + if (initiator == WLAN_BACK_RECIPIENT) ieee80211_send_delba(sta->sdata, sta->sta.addr, tid, 0, reason); /* free the reordering buffer */ - for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) { - if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) { + for (i = 0; i < tid_rx->buf_size; i++) { + if (tid_rx->reorder_buf[i]) { /* release the reordered frames */ - dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]); - sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--; - sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL; + dev_kfree_skb(tid_rx->reorder_buf[i]); + tid_rx->stored_mpdu_num--; + tid_rx->reorder_buf[i] = NULL; } } - spin_lock_bh(&sta->lock); /* free resources */ - kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf); - kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_time); - - if (!sta->ampdu_mlme.tid_rx[tid]->shutdown) { - kfree(sta->ampdu_mlme.tid_rx[tid]); - sta->ampdu_mlme.tid_rx[tid] = NULL; - } + kfree(tid_rx->reorder_buf); + kfree(tid_rx->reorder_time); + sta->ampdu_mlme.tid_rx[tid] = NULL; - sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE; spin_unlock_bh(&sta->lock); + + if (!from_timer) + del_timer_sync(&tid_rx->session_timer); + kfree(tid_rx); } -void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, - u16 initiator, u16 reason) +void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, + u16 initiator, u16 reason) { - struct sta_info *sta; - - rcu_read_lock(); - - sta = sta_info_get(sdata, ra); - if (!sta) { - rcu_read_unlock(); - return; - } - - __ieee80211_stop_rx_ba_session(sta, tid, initiator, reason); - - rcu_read_unlock(); + ___ieee80211_stop_rx_ba_session(sta, tid, initiator, reason, false); } /* * After accepting the AddBA Request we activated a timer, * resetting it after each frame that arrives from the originator. - * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed. */ static void sta_rx_agg_session_timer_expired(unsigned long data) { @@ -117,9 +100,8 @@ static void sta_rx_agg_session_timer_expired(unsigned long data) #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid); #endif - ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr, - (u16)*ptid, WLAN_BACK_TIMER, - WLAN_REASON_QSTA_TIMEOUT); + ___ieee80211_stop_rx_ba_session(sta, *ptid, WLAN_BACK_RECIPIENT, + WLAN_REASON_QSTA_TIMEOUT, true); } static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid, @@ -194,7 +176,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, status = WLAN_STATUS_REQUEST_DECLINED; - if (test_sta_flags(sta, WLAN_STA_SUSPEND)) { + if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) { #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "Suspend in progress. " "Denying ADDBA request\n"); @@ -232,7 +214,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, /* examine state machine */ spin_lock_bh(&sta->lock); - if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) { + if (sta->ampdu_mlme.tid_active_rx[tid]) { #ifdef CONFIG_MAC80211_HT_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "unexpected AddBA Req from " @@ -294,7 +276,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, } /* change state and send addba resp */ - sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL; + sta->ampdu_mlme.tid_active_rx[tid] = true; tid_agg_rx->dialog_token = dialog_token; tid_agg_rx->ssn = start_seq_num; tid_agg_rx->head_seq_num = start_seq_num; |