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wl12xx: AP mode - enable the BA constraint event from the FW

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Unblock the RX BA constraint event from firmware in AP mode as well.
This allows us to stop RX BA sessions when the FW requests it.

In addition refactor the handler for this event to make the flow
clearer.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2011-08-25 12:43:16 +03:00 committed by Luciano Coelho
parent da03209eac
commit f4d3b6ab5e
1 changed files with 23 additions and 14 deletions
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37
drivers/net/wireless/wl12xx/event.c
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@ -171,19 +171,26 @@ static void wl1271_event_rssi_trigger(struct wl1271 *wl,
wl->last_rssi_event = event;
}
static void wl1271_stop_ba_event(struct wl1271 *wl, u8 ba_allowed)
static void wl1271_stop_ba_event(struct wl1271 *wl)
{
/* Convert the value to bool */
wl->ba_allowed = !!ba_allowed;
if (wl->bss_type != BSS_TYPE_AP_BSS) {
if (!wl->ba_rx_bitmap)
return;
ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap,
wl->bssid);
} else {
int i;
struct wl1271_link *lnk;
for (i = WL1271_AP_STA_HLID_START; i < WL12XX_MAX_LINKS; i++) {
lnk = &wl->links[i];
if (!wl1271_is_active_sta(wl, i) || !lnk->ba_bitmap)
continue;
/*
* Return in case:
* there are not BA open or the event indication is to allowed BA
*/
if ((!wl->ba_rx_bitmap) || (wl->ba_allowed))
return;
ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap, wl->bssid);
ieee80211_stop_rx_ba_session(wl->vif,
lnk->ba_bitmap,
lnk->addr);
}
}
}
static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl,
@ -283,12 +290,14 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
wl1271_event_rssi_trigger(wl, mbox);
}
if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID) && !is_ap) {
if ((vector & BA_SESSION_RX_CONSTRAINT_EVENT_ID)) {
wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. "
"ba_allowed = 0x%x", mbox->rx_ba_allowed);
if (wl->vif)
wl1271_stop_ba_event(wl, mbox->rx_ba_allowed);
wl->ba_allowed = !!mbox->rx_ba_allowed;
if (wl->vif && !wl->ba_allowed)
wl1271_stop_ba_event(wl);
}
if ((vector & DUMMY_PACKET_EVENT_ID)) {