From 7c8e4159bac47354ea9eee40ac7a0f713c0be5db Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Tue, 28 May 2013 21:36:16 +0300 Subject: [PATCH] iwlwifi: mvm: don't start BA agreement when BT is active Otherwise WiFi would kill BT. Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- drivers/net/wireless/iwlwifi/mvm/rs.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 7dfc212c4f0e..20269994d8db 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -401,6 +401,17 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm, load = rs_tl_get_load(lq_data, tid); + /* + * Don't create TX aggregation sessions when in high + * BT traffic, as they would just be disrupted by BT. + */ + if (BT_MBOX_MSG(&mvm->last_bt_notif, 3, TRAFFIC_LOAD) >= 2) { + IWL_DEBUG_COEX(mvm, "BT traffic (%d), no aggregation allowed\n", + BT_MBOX_MSG(&mvm->last_bt_notif, + 3, TRAFFIC_LOAD)); + return ret; + } + if ((iwlwifi_mod_params.auto_agg) || (load > IWL_AGG_LOAD_THRESHOLD)) { IWL_DEBUG_HT(mvm, "Starting Tx agg: STA: %pM tid: %d\n", sta->addr, tid); -- 2.20.1