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Commit 347d07bf authored by Maxim Altshul's avatar Maxim Altshul Committed by Greg Kroah-Hartman
Browse files

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: default avatarMaxim Altshul <maxim.altshul@ti.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
Signed-off-by: default avatarAmit Pundir <amit.pundir@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bbd839a4

drivers/net/wireless/ti/wl18xx/event.c

+28 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/net/wireless/ti/wl18xx/event.h

+1 −0
Original line number Diff line number Diff line
@@ -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),

drivers/net/wireless/ti/wl18xx/main.c

+2 −1
Original line number Diff line number Diff line
@@ -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;