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Commit f8252e7b authored by Anilkumar Kolli's avatar Anilkumar Kolli Committed by Johannes Berg
Browse files

mac80211: implement ieee80211_tx_rate_update to update rate 



Current mac80211 has provision to update tx status through
ieee80211_tx_status() and ieee80211_tx_status_ext(). But
drivers like ath10k updates the tx status from the skb except
txrate, txrate will be updated from a different path, peer stats.

Using ieee80211_tx_status_ext() in two different paths
(one for the stats, one for the tx rate) would duplicate
the stats instead.

To avoid this stats duplication, ieee80211_tx_rate_update()
is implemented.

Signed-off-by: default avatarAnilkumar Kolli <akolli@codeaurora.org>
[minor commit message editing, use initializers in code]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 0d4e14a3

include/net/mac80211.h

+15 −0
Original line number Diff line number Diff line
@@ -4379,6 +4379,21 @@ void ieee80211_get_tx_rates(struct ieee80211_vif *vif, 
void ieee80211_sta_set_expected_throughput(struct ieee80211_sta *pubsta,

					   u32 thr);



/**

 * ieee80211_tx_rate_update - transmit rate update callback

 *

 * Drivers should call this functions with a non-NULL pub sta

 * This function can be used in drivers that does not have provision

 * in updating the tx rate in data path.

 *

 * @hw: the hardware the frame was transmitted by

 * @pubsta: the station to update the tx rate for.

 * @info: tx status information

 */

void ieee80211_tx_rate_update(struct ieee80211_hw *hw,

			      struct ieee80211_sta *pubsta,

			      struct ieee80211_tx_info *info);



/**

 * ieee80211_tx_status - transmit status callback

 *

net/mac80211/status.c

+19 −0
Original line number Diff line number Diff line
@@ -987,6 +987,25 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw, 
}

EXPORT_SYMBOL(ieee80211_tx_status_ext);



void ieee80211_tx_rate_update(struct ieee80211_hw *hw,

			      struct ieee80211_sta *pubsta,

			      struct ieee80211_tx_info *info)

{

	struct ieee80211_local *local = hw_to_local(hw);

	struct ieee80211_supported_band *sband = hw->wiphy->bands[info->band];

	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);

	struct ieee80211_tx_status status = {

		.info = info,

		.sta = pubsta,

	};



	rate_control_tx_status(local, sband, &status);



	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL))

		sta->tx_stats.last_rate = info->status.rates[0];

}

EXPORT_SYMBOL(ieee80211_tx_rate_update);



void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)

{

	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);