From d5216a28936add0a9c34bdc7d4f03c2e0a2261c2 Mon Sep 17 00:00:00 2001 From: Liad Kaufman Date: Sun, 9 Aug 2015 15:50:51 +0300 Subject: [PATCH] iwlwifi: mvm: use bss client queue for bss station Use the reserved BSS Client queue when connecting to an AP in DQA mode. Signed-off-by: Liad Kaufman Signed-off-by: Emmanuel Grumbach --- .../net/wireless/intel/iwlwifi/mvm/fw-api.h | 3 +++ drivers/net/wireless/intel/iwlwifi/mvm/sta.c | 18 +++++++++++++----- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h index 8217eb25b090..965268766ac2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h @@ -89,6 +89,8 @@ enum { /* * DQA queue numbers * + * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure + * that we are never left without the possibility to connect to an AP. * @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames. * Each MGMT queue is mapped to a single STA * MGMT frames are frames that return true on ieee80211_is_mgmt() @@ -100,6 +102,7 @@ enum { * @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames */ enum iwl_mvm_dqa_txq { + IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4, IWL_MVM_DQA_MIN_MGMT_QUEUE = 5, IWL_MVM_DQA_MAX_MGMT_QUEUE = 8, IWL_MVM_DQA_MIN_DATA_QUEUE = 10, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 3f36a661ec96..e157bd5a2204 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -336,7 +336,8 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, * as aggregatable. * Mark all DATA queues as allowing to be aggregated at some point */ - cfg.aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE); + cfg.aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE || + queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE); IWL_DEBUG_TX_QUEUES(mvm, "Allocating queue #%d to sta %d on tid %d\n", queue, mvmsta->sta_id, tid); @@ -448,7 +449,8 @@ void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk) } static int iwl_mvm_reserve_sta_stream(struct iwl_mvm *mvm, - struct ieee80211_sta *sta) + struct ieee80211_sta *sta, + enum nl80211_iftype vif_type) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); int queue; @@ -456,8 +458,13 @@ static int iwl_mvm_reserve_sta_stream(struct iwl_mvm *mvm, spin_lock_bh(&mvm->queue_info_lock); /* Make sure we have free resources for this STA */ - queue = iwl_mvm_find_free_queue(mvm, IWL_MVM_DQA_MIN_DATA_QUEUE, - IWL_MVM_DQA_MAX_DATA_QUEUE); + if (vif_type == NL80211_IFTYPE_STATION && !sta->tdls && + !mvm->queue_info[IWL_MVM_DQA_BSS_CLIENT_QUEUE].hw_queue_refcount && + !mvm->queue_info[IWL_MVM_DQA_BSS_CLIENT_QUEUE].setup_reserved) + queue = IWL_MVM_DQA_BSS_CLIENT_QUEUE; + else + queue = iwl_mvm_find_free_queue(mvm, IWL_MVM_DQA_MIN_DATA_QUEUE, + IWL_MVM_DQA_MAX_DATA_QUEUE); if (queue < 0) { spin_unlock_bh(&mvm->queue_info_lock); IWL_ERR(mvm, "No available queues for new station\n"); @@ -551,7 +558,8 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, } if (iwl_mvm_is_dqa_supported(mvm)) { - ret = iwl_mvm_reserve_sta_stream(mvm, sta); + ret = iwl_mvm_reserve_sta_stream(mvm, sta, + ieee80211_vif_type_p2p(vif)); if (ret) goto err; } -- 2.20.1