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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: Anilkumar Kolli <akolli@codeaurora.org>
[minor commit message editing, use initializers in code]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Anilkumar Kolli 2018-10-11 18:15:03 +05:30 committed by Johannes Berg
parent 0d4e14a32d
commit f8252e7b5a
2 changed files with 34 additions and 0 deletions
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15
include/net/mac80211.h
View File

@ -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
*

19
net/mac80211/status.c
View File

@ -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);