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authorJohn W. Linville <linville@tuxdriver.com>2011-05-05 13:32:35 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-05-05 13:32:35 -0400
commita70171dce9cd44cb06c7d299eba9fa87a8933045 (patch)
tree5425df5f33fadc617c7dec99578d06f0d933578e /drivers/net/wireless/wl12xx/event.c
parent5a412ad7f4c95bb5b756aa12b52646e857e7c75d (diff)
parenteaef6a93bd52a2cc47b9fce201310010707afdb4 (diff)
downloadblackbird-op-linux-a70171dce9cd44cb06c7d299eba9fa87a8933045.tar.gz
blackbird-op-linux-a70171dce9cd44cb06c7d299eba9fa87a8933045.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/libertas/if_cs.c drivers/net/wireless/rtlwifi/pci.c net/bluetooth/l2cap_sock.c
Diffstat (limited to 'drivers/net/wireless/wl12xx/event.c')
-rw-r--r--drivers/net/wireless/wl12xx/event.c64
1 files changed, 59 insertions, 5 deletions
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index 1b170c5cc595..d7be3aec6fc3 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -33,6 +33,7 @@ void wl1271_pspoll_work(struct work_struct *work)
{
struct delayed_work *dwork;
struct wl1271 *wl;
+ int ret;
dwork = container_of(work, struct delayed_work, work);
wl = container_of(dwork, struct wl1271, pspoll_work);
@@ -55,8 +56,13 @@ void wl1271_pspoll_work(struct work_struct *work)
* delivery failure occurred, and no-one changed state since, so
* we should go back to powersave.
*/
+ ret = wl1271_ps_elp_wakeup(wl);
+ if (ret < 0)
+ goto out;
+
wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE, wl->basic_rate, true);
+ wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
};
@@ -129,11 +135,6 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
/* enable beacon early termination */
ret = wl1271_acx_bet_enable(wl, true);
- if (ret < 0)
- break;
-
- /* go to extremely low power mode */
- wl1271_ps_elp_sleep(wl);
break;
default:
break;
@@ -173,6 +174,8 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
u32 vector;
bool beacon_loss = false;
bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
+ bool disconnect_sta = false;
+ unsigned long sta_bitmap = 0;
wl1271_event_mbox_dump(mbox);
@@ -228,9 +231,60 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
wl1271_event_rssi_trigger(wl, mbox);
}
+ if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) {
+ wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
+ if (wl->vif)
+ wl1271_tx_dummy_packet(wl);
+ }
+
+ /*
+ * "TX retries exceeded" has a different meaning according to mode.
+ * In AP mode the offending station is disconnected. In STA mode we
+ * report connection loss.
+ */
+ if (vector & MAX_TX_RETRY_EVENT_ID) {
+ wl1271_debug(DEBUG_EVENT, "MAX_TX_RETRY_EVENT_ID");
+ if (is_ap) {
+ sta_bitmap |= le16_to_cpu(mbox->sta_tx_retry_exceeded);
+ disconnect_sta = true;
+ } else {
+ beacon_loss = true;
+ }
+ }
+
+ if ((vector & INACTIVE_STA_EVENT_ID) && is_ap) {
+ wl1271_debug(DEBUG_EVENT, "INACTIVE_STA_EVENT_ID");
+ sta_bitmap |= le16_to_cpu(mbox->sta_aging_status);
+ disconnect_sta = true;
+ }
+
if (wl->vif && beacon_loss)
ieee80211_connection_loss(wl->vif);
+ if (is_ap && disconnect_sta) {
+ u32 num_packets = wl->conf.tx.max_tx_retries;
+ struct ieee80211_sta *sta;
+ const u8 *addr;
+ int h;
+
+ for (h = find_first_bit(&sta_bitmap, AP_MAX_LINKS);
+ h < AP_MAX_LINKS;
+ h = find_next_bit(&sta_bitmap, AP_MAX_LINKS, h+1)) {
+ if (!wl1271_is_active_sta(wl, h))
+ continue;
+
+ addr = wl->links[h].addr;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(wl->vif, addr);
+ if (sta) {
+ wl1271_debug(DEBUG_EVENT, "remove sta %d", h);
+ ieee80211_report_low_ack(sta, num_packets);
+ }
+ rcu_read_unlock();
+ }
+ }
+
return 0;
}
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