From: Emmanuel Grumbach Date: Tue, 7 Oct 2014 07:38:53 +0000 (+0300) Subject: iwlwifi: mvm: add support for WMM Access Control X-Git-Tag: firefly_0821_release~176^2~2717^2~28^2~17^2~83 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9b5452fd77c337391e090b1bf2f7036a0b89fd39;p=firefly-linux-kernel-4.4.55.git iwlwifi: mvm: add support for WMM Access Control After the corresponding mac80211 patch, we can now report the airtime used for each transmitted packet and mac80211 will be able to implement WMM-AC with that information. To support WMM-AC in the driver then, report the airtime and advertise support. Signed-off-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 92e1810864b1..19aff50648ef 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -423,7 +423,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS | NL80211_FEATURE_DYNAMIC_SMPS | - NL80211_FEATURE_STATIC_SMPS; + NL80211_FEATURE_STATIC_SMPS | + NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index d9c0d7b0e9d4..84f37ca9398a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -264,6 +264,7 @@ enum iwl_mvm_agg_state { * the first packet to be sent in legacy HW queue in Tx AGG stop flow. * Basically when next_reclaimed reaches ssn, we can tell mac80211 that * we are ready to finish the Tx AGG stop / start flow. + * @tx_time: medium time consumed by this A-MPDU */ struct iwl_mvm_tid_data { u16 seq_number; @@ -274,6 +275,7 @@ struct iwl_mvm_tid_data { enum iwl_mvm_agg_state state; u16 txq_id; u16 ssn; + u16 tx_time; }; static inline u16 iwl_mvm_tid_queued(struct iwl_mvm_tid_data *tid_data) diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 4789c77632e5..b54708e4d29c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -658,6 +658,12 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, seq_ctl = le16_to_cpu(hdr->seq_ctrl); } + /* + * TODO: this is not accurate if we are freeing more than one + * packet. + */ + info->status.tx_time = + le16_to_cpu(tx_resp->wireless_media_time); BUILD_BUG_ON(ARRAY_SIZE(info->status.status_driver_data) < 1); info->status.status_driver_data[0] = (void *)(uintptr_t)tx_resp->reduced_tpc; @@ -850,6 +856,8 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, mvmsta->tid_data[tid].rate_n_flags = le32_to_cpu(tx_resp->initial_rate); mvmsta->tid_data[tid].reduced_tpc = tx_resp->reduced_tpc; + mvmsta->tid_data[tid].tx_time = + le16_to_cpu(tx_resp->wireless_media_time); } rcu_read_unlock(); @@ -878,6 +886,8 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, info->status.ampdu_len = ba_notif->txed; iwl_mvm_hwrate_to_tx_status(tid_data->rate_n_flags, info); + /* TODO: not accounted if the whole A-MPDU failed */ + info->status.tx_time = tid_data->tx_time; info->status.status_driver_data[0] = (void *)(uintptr_t)tid_data->reduced_tpc; }