From 70559a06657c55aeefe2f06619d3592a08cc68ac Mon Sep 17 00:00:00 2001 From: Shahar Levi Date: Sun, 22 May 2011 16:10:22 +0300 Subject: [PATCH] wl12xx: Stop BA session event from device Adding new event that close RX BA session in case of periodic BT activity limiting WLAN activity. Signed-off-by: Shahar Levi Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/boot.c | 3 ++- drivers/net/wireless/wl12xx/event.c | 23 +++++++++++++++++++++++ drivers/net/wireless/wl12xx/event.h | 17 +++++++++++++++-- drivers/net/wireless/wl12xx/init.c | 1 + drivers/net/wireless/wl12xx/main.c | 5 ++++- drivers/net/wireless/wl12xx/wl12xx.h | 1 + 6 files changed, 46 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index b07f8b7..7ccec07 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -485,7 +485,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl) if (wl->bss_type == BSS_TYPE_AP_BSS) wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID; else - wl->event_mask |= DUMMY_PACKET_EVENT_ID; + wl->event_mask |= DUMMY_PACKET_EVENT_ID | + BA_SESSION_RX_CONSTRAINT_EVENT_ID; ret = wl1271_event_unmask(wl); if (ret < 0) { diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c index c3c554c..94bbd00 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/event.c @@ -168,6 +168,21 @@ 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) +{ + /* Convert the value to bool */ + wl->ba_allowed = !!ba_allowed; + + /* + * 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); +} + static void wl1271_event_mbox_dump(struct event_mailbox *mbox) { wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); @@ -252,6 +267,14 @@ 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) { + wl1271_debug(DEBUG_EVENT, "BA_SESSION_RX_CONSTRAINT_EVENT_ID. " + "ba_allowed = 0x%x", mbox->ba_allowed); + + if (wl->vif) + wl1271_stop_ba_event(wl, mbox->ba_allowed); + } + if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) { wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID"); if (wl->vif) diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h index b6cf06e..ce99adf 100644 --- a/drivers/net/wireless/wl12xx/event.h +++ b/drivers/net/wireless/wl12xx/event.h @@ -71,7 +71,7 @@ enum { HEALTH_CHECK_REPLY_EVENT_ID = BIT(27), PERIODIC_SCAN_COMPLETE_EVENT_ID = BIT(28), PERIODIC_SCAN_REPORT_EVENT_ID = BIT(29), - BA_SESSION_TEAR_DOWN_EVENT_ID = BIT(30), + BA_SESSION_RX_CONSTRAINT_EVENT_ID = BIT(30), EVENT_MBOX_ALL_EVENT_ID = 0x7fffffff, }; @@ -122,7 +122,20 @@ struct event_mailbox { __le16 sta_aging_status; __le16 sta_tx_retry_exceeded; - u8 reserved_5[24]; + /* + * Bitmap, Each bit set represents the Role ID for which this constraint + * is set. Range: 0 - FF, FF means ANY role + */ + u8 ba_role_id; + /* + * Bitmap, Each bit set represents the Link ID for which this constraint + * is set. Not applicable if ba_role_id is set to ANY role (FF). + * Range: 0 - FFFF, FFFF means ANY link in that role + */ + u8 ba_link_id; + u8 ba_allowed; + + u8 reserved_5[21]; } __packed; int wl1271_event_unmask(struct wl1271 *wl); diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index a8f4f15..f5c2c9e 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -541,6 +541,7 @@ static int wl1271_set_ba_policies(struct wl1271 *wl) /* Reset the BA RX indicators */ wl->ba_rx_bitmap = 0; + wl->ba_allowed = true; /* validate that FW support BA */ wl1271_check_ba_support(wl); diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index e6497dc..f37f0b8 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -3354,9 +3354,12 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw, if (ret < 0) goto out; + wl1271_debug(DEBUG_MAC80211, "mac80211 ampdu: Rx tid %d action %d", + tid, action); + switch (action) { case IEEE80211_AMPDU_RX_START: - if (wl->ba_support) { + if ((wl->ba_support) && (wl->ba_allowed)) { ret = wl1271_acx_set_ba_receiver_session(wl, tid, *ssn, true); if (!ret) diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index fbe8f46..3bc794a 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -564,6 +564,7 @@ struct wl1271 { /* RX BA constraint value */ bool ba_support; u8 ba_rx_bitmap; + bool ba_allowed; int tcxo_clock; -- 2.7.4