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wlcore: Add RX_BA_WIN_SIZE_CHANGE_EVENT event 

This event is used by the Firmware to limit the RX BA win size
for a specific link.

The event handler updates the new size in the mac's sta->sta struct.

BA sessions opened for that link will use the new restricted
win_size. This limitation remains until a new update is received or
until the link is closed.

Signed-off-by: Maxim Altshul <maxim.altshul@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Maxim Altshul 2016-08-21 14:24:25 +03:00 committed by Kalle Valo
parent 42c7372a11
commit e7ee74b56f
3 changed files with 31 additions and 1 deletions
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28
drivers/net/wireless/ti/wl18xx/event.c
View File

@ -218,5 +218,33 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl)
if (vector & FW_LOGGER_INDICATION) if (vector & FW_LOGGER_INDICATION)
wlcore_event_fw_logger(wl); wlcore_event_fw_logger(wl);
if (vector & RX_BA_WIN_SIZE_CHANGE_EVENT_ID) {
struct wl12xx_vif *wlvif;
struct ieee80211_vif *vif;
struct ieee80211_sta *sta;
u8 link_id = mbox->rx_ba_link_id;
u8 win_size = mbox->rx_ba_win_size;
const u8 *addr;
wlvif = wl->links[link_id].wlvif;
vif = wl12xx_wlvif_to_vif(wlvif);
/* Update RX aggregation window size and call
* MAC routine to stop active RX aggregations for this link
*/
if (wlvif->bss_type != BSS_TYPE_AP_BSS)
addr = vif->bss_conf.bssid;
else
addr = wl->links[link_id].addr;
sta = ieee80211_find_sta(vif, addr);
if (sta) {
sta->max_rx_aggregation_subframes = win_size;
ieee80211_stop_rx_ba_session(vif,
wl->links[link_id].ba_bitmap,
addr);
}
}
return 0; return 0;
} }

1
drivers/net/wireless/ti/wl18xx/event.h
View File

@ -38,6 +38,7 @@ enum {
REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(18), REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(18),
DFS_CHANNELS_CONFIG_COMPLETE_EVENT = BIT(19), DFS_CHANNELS_CONFIG_COMPLETE_EVENT = BIT(19),
PERIODIC_SCAN_REPORT_EVENT_ID = BIT(20), PERIODIC_SCAN_REPORT_EVENT_ID = BIT(20),
RX_BA_WIN_SIZE_CHANGE_EVENT_ID = BIT(21),
SMART_CONFIG_SYNC_EVENT_ID = BIT(22), SMART_CONFIG_SYNC_EVENT_ID = BIT(22),
SMART_CONFIG_DECODE_EVENT_ID = BIT(23), SMART_CONFIG_DECODE_EVENT_ID = BIT(23),
TIME_SYNC_EVENT_ID = BIT(24), TIME_SYNC_EVENT_ID = BIT(24),

3
drivers/net/wireless/ti/wl18xx/main.c
View File

@ -1041,7 +1041,8 @@ static int wl18xx_boot(struct wl1271 *wl)
SMART_CONFIG_SYNC_EVENT_ID | SMART_CONFIG_SYNC_EVENT_ID |
SMART_CONFIG_DECODE_EVENT_ID | SMART_CONFIG_DECODE_EVENT_ID |
TIME_SYNC_EVENT_ID | TIME_SYNC_EVENT_ID |
FW_LOGGER_INDICATION; FW_LOGGER_INDICATION |
RX_BA_WIN_SIZE_CHANGE_EVENT_ID;
wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID; wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;