| From e7ee74b56f23ba447d3124f2eccc32033cca501d Mon Sep 17 00:00:00 2001 |
| From: Maxim Altshul <maxim.altshul@ti.com> |
| Date: Sun, 21 Aug 2016 14:24:25 +0300 |
| Subject: [PATCH] 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> |
| |
| diff --git a/drivers/net/wireless/ti/wl18xx/event.c b/drivers/net/wireless/ti/wl18xx/event.c |
| index b36ce185c9f2..86fa0fc69084 100644 |
| --- a/drivers/net/wireless/ti/wl18xx/event.c |
| +++ b/drivers/net/wireless/ti/wl18xx/event.c |
| @@ -218,5 +218,33 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl) |
| if (vector & FW_LOGGER_INDICATION) |
| 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; |
| } |
| diff --git a/drivers/net/wireless/ti/wl18xx/event.h b/drivers/net/wireless/ti/wl18xx/event.h |
| index ce8ea9c04052..4af297fbb529 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 06d6943b257c..5bdf7a03e3dd 100644 |
| --- a/drivers/net/wireless/ti/wl18xx/main.c |
| +++ b/drivers/net/wireless/ti/wl18xx/main.c |
| @@ -1041,7 +1041,8 @@ static int wl18xx_boot(struct wl1271 *wl) |
| SMART_CONFIG_SYNC_EVENT_ID | |
| SMART_CONFIG_DECODE_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; |
| |
| -- |
| 2.12.0 |
| |