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authorMaxim Altshul <maxim.altshul@ti.com>2016-08-21 14:24:25 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-05-20 14:27:03 +0200
commitd4392269f7ce3567e3bd7c2b43883433c4d64a37 (patch)
tree0ca990119789e483090ff77fb844aa96638cb652
parent4b86b46ef4108d41c5ee52fbd1cba30122d10ac3 (diff)
wlcore: Add RX_BA_WIN_SIZE_CHANGE_EVENT event
commit e7ee74b56f23ba447d3124f2eccc32033cca501d upstream. 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> [AmitP: Minor refactoring for linux-4.4.y] Signed-off-by: Amit Pundir <amit.pundir@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/wireless/ti/wl18xx/event.c28
-rw-r--r--drivers/net/wireless/ti/wl18xx/event.h1
-rw-r--r--drivers/net/wireless/ti/wl18xx/main.c3
3 files changed, 31 insertions, 1 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c
index 09c7e098f460..085ef5c87262 100644
--- a/drivers/net/wireless/ti/wl18xx/event.c
+++ b/drivers/net/wireless/ti/wl18xx/event.c
@@ -206,5 +206,33 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl)
mbox->sc_pwd_len,
mbox->sc_pwd);
+ 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;
}
diff --git a/drivers/net/wireless/ti/wl18xx/event.h b/drivers/net/wireless/ti/wl18xx/event.h
index f3d4f13379cb..9495fadc8093 100644
--- a/drivers/net/wireless/ti/wl18xx/event.h
+++ b/drivers/net/wireless/ti/wl18xx/event.h
@@ -38,6 +38,7 @@ enum {
REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID = BIT(18),
DFS_CHANNELS_CONFIG_COMPLETE_EVENT = BIT(19),
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_DECODE_EVENT_ID = BIT(23),
TIME_SYNC_EVENT_ID = BIT(24),
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index 50cce42089a5..47f355e92193 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -1029,7 +1029,8 @@ static int wl18xx_boot(struct wl1271 *wl)
DFS_CHANNELS_CONFIG_COMPLETE_EVENT |
SMART_CONFIG_SYNC_EVENT_ID |
SMART_CONFIG_DECODE_EVENT_ID |
- TIME_SYNC_EVENT_ID;
+ TIME_SYNC_EVENT_ID |
+ RX_BA_WIN_SIZE_CHANGE_EVENT_ID;
wl->ap_event_mask = MAX_TX_FAILURE_EVENT_ID;