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iwlwifi: mvm: add support for WMM Access Control

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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 <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2014-10-07 10:38:53 +03:00
parent c064ddf318
commit 9b5452fd77
3 changed files with 14 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -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)

2
drivers/net/wireless/iwlwifi/mvm/sta.h
View File

@ -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)

10
drivers/net/wireless/iwlwifi/mvm/tx.c
View File

@ -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;
}