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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2010-07-08 17:50:00 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-07-08 16:35:51 -0400
commit90494a90bea010af47547880634e0f1c52824a7d (patch)
treee7464aa406385a0a9908324e038736aa9cac6a4d /drivers/net/wireless/wl12xx/wl1271_event.h
parent849923f43ca681cc86a401178db31acb60e79f3b (diff)
wl1271: Work around AP's with broken ps-poll functionality
Some AP's (such as Zyxel Prestige 600) have totally broken ps-poll functionality. When powersave is enabled, these AP's will set the TIM bit for a STA in beacons, but when the STA responds with a ps-poll, the AP does not respond with data. The wl1271 firmware is able to send an indication to the host, when this problem occurs. This patch adds implementation, which temporarily disables power-save in response to this indication, allowing the AP to transmit whatever data it has buffered for the STA / whatever data is inbound at that time. This patch does not make these AP's work reliably in PSM, but improves the chances of inbound data getting through. The side effect of this patch is increased power consumption when using a faulty AP. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_event.h')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_event.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_event.h b/drivers/net/wireless/wl12xx/wl1271_event.h
index 58371008f27..9fb5a940b1a 100644
--- a/drivers/net/wireless/wl12xx/wl1271_event.h
+++ b/drivers/net/wireless/wl12xx/wl1271_event.h
@@ -121,5 +121,6 @@ struct event_mailbox {
int wl1271_event_unmask(struct wl1271 *wl);
void wl1271_event_mbox_config(struct wl1271 *wl);
int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
+void wl1271_pspoll_work(struct work_struct *work);
#endif