From 18fb84d986b398c59be6729f38f1c4bbbe8c4e9a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 26 Apr 2017 17:11:35 +0200 Subject: mac80211: make rate control tx status API more extensible Rename .tx_status_noskb to .tx_status_ext and pass a new on-stack struct ieee80211_tx_status instead of struct ieee80211_tx_info. This struct can be used to pass extra information, e.g. for dynamic tx power control Signed-off-by: Felix Fietkau Signed-off-by: Johannes Berg --- net/mac80211/rate.c | 22 +++++++++++++++++++ net/mac80211/rate.h | 44 +++----------------------------------- net/mac80211/rc80211_minstrel.c | 6 +++--- net/mac80211/rc80211_minstrel_ht.c | 10 ++++----- net/mac80211/status.c | 11 ++++++++-- 5 files changed, 42 insertions(+), 51 deletions(-) (limited to 'net/mac80211') diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 9d7a1cd949fb..b387c07b8b47 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -62,6 +62,28 @@ void rate_control_rate_init(struct sta_info *sta) set_sta_flag(sta, WLAN_STA_RATE_CONTROL); } +void rate_control_tx_status(struct ieee80211_local *local, + struct ieee80211_supported_band *sband, + struct ieee80211_tx_status *st) +{ + struct rate_control_ref *ref = local->rate_ctrl; + struct sta_info *sta = container_of(st->sta, struct sta_info, sta); + void *priv_sta = sta->rate_ctrl_priv; + + if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) + return; + + spin_lock_bh(&sta->rate_ctrl_lock); + if (ref->ops->tx_status_ext) + ref->ops->tx_status_ext(ref->priv, sband, priv_sta, st); + else if (st->skb) + ref->ops->tx_status(ref->priv, sband, st->sta, priv_sta, st->skb); + else + WARN_ON_ONCE(1); + + spin_unlock_bh(&sta->rate_ctrl_lock); +} + void rate_control_rate_update(struct ieee80211_local *local, struct ieee80211_supported_band *sband, struct sta_info *sta, u32 changed) diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h index f7825ef5f871..8212bfeb71d6 100644 --- a/net/mac80211/rate.h +++ b/net/mac80211/rate.h @@ -28,47 +28,9 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, struct ieee80211_tx_rate_control *txrc); -static inline void rate_control_tx_status(struct ieee80211_local *local, - struct ieee80211_supported_band *sband, - struct sta_info *sta, - struct sk_buff *skb) -{ - struct rate_control_ref *ref = local->rate_ctrl; - struct ieee80211_sta *ista = &sta->sta; - void *priv_sta = sta->rate_ctrl_priv; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - - if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) - return; - - spin_lock_bh(&sta->rate_ctrl_lock); - if (ref->ops->tx_status) - ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb); - else - ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info); - spin_unlock_bh(&sta->rate_ctrl_lock); -} - -static inline void -rate_control_tx_status_noskb(struct ieee80211_local *local, - struct ieee80211_supported_band *sband, - struct sta_info *sta, - struct ieee80211_tx_info *info) -{ - struct rate_control_ref *ref = local->rate_ctrl; - struct ieee80211_sta *ista = &sta->sta; - void *priv_sta = sta->rate_ctrl_priv; - - if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) - return; - - if (WARN_ON_ONCE(!ref->ops->tx_status_noskb)) - return; - - spin_lock_bh(&sta->rate_ctrl_lock); - ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info); - spin_unlock_bh(&sta->rate_ctrl_lock); -} +void rate_control_tx_status(struct ieee80211_local *local, + struct ieee80211_supported_band *sband, + struct ieee80211_tx_status *st); void rate_control_rate_init(struct sta_info *sta); void rate_control_rate_update(struct ieee80211_local *local, diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 3ebe4405a2d4..9766c1cc4b0a 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -264,9 +264,9 @@ minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi) static void minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta, - struct ieee80211_tx_info *info) + void *priv_sta, struct ieee80211_tx_status *st) { + struct ieee80211_tx_info *info = st->info; struct minstrel_priv *mp = priv; struct minstrel_sta_info *mi = priv_sta; struct ieee80211_tx_rate *ar = info->status.rates; @@ -726,7 +726,7 @@ static u32 minstrel_get_expected_throughput(void *priv_sta) const struct rate_control_ops mac80211_minstrel = { .name = "minstrel", - .tx_status_noskb = minstrel_tx_status, + .tx_status_ext = minstrel_tx_status, .get_rate = minstrel_get_rate, .rate_init = minstrel_rate_init, .alloc = minstrel_alloc, diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 8e783e197e93..4a5bdad9f303 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -678,9 +678,9 @@ minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb) static void minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta, - struct ieee80211_tx_info *info) + void *priv_sta, struct ieee80211_tx_status *st) { + struct ieee80211_tx_info *info = st->info; struct minstrel_ht_sta_priv *msp = priv_sta; struct minstrel_ht_sta *mi = &msp->ht; struct ieee80211_tx_rate *ar = info->status.rates; @@ -690,8 +690,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband, int i; if (!msp->is_ht) - return mac80211_minstrel.tx_status_noskb(priv, sband, sta, - &msp->legacy, info); + return mac80211_minstrel.tx_status_ext(priv, sband, + &msp->legacy, st); /* This packet was aggregated but doesn't carry status info */ if ((info->flags & IEEE80211_TX_CTL_AMPDU) && @@ -1374,7 +1374,7 @@ static u32 minstrel_ht_get_expected_throughput(void *priv_sta) static const struct rate_control_ops mac80211_minstrel_ht = { .name = "minstrel_ht", - .tx_status_noskb = minstrel_ht_tx_status, + .tx_status_ext = minstrel_ht_tx_status, .get_rate = minstrel_ht_get_rate, .rate_init = minstrel_ht_rate_init, .rate_update = minstrel_ht_rate_update, diff --git a/net/mac80211/status.c b/net/mac80211/status.c index fac191d6dcb7..e655b3abb84a 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -637,6 +637,7 @@ void ieee80211_tx_status_noskb(struct ieee80211_hw *hw, { struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_supported_band *sband; + struct ieee80211_tx_status status = {}; int retry_count; bool acked, noack_success; @@ -669,7 +670,9 @@ void ieee80211_tx_status_noskb(struct ieee80211_hw *hw, ieee80211_lost_packet(sta, info); } - rate_control_tx_status_noskb(local, sband, sta, info); + status.sta = pubsta; + status.info = info; + rate_control_tx_status(local, sband, &status); } if (acked || noack_success) { @@ -748,6 +751,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_status status = {}; __le16 fc; struct ieee80211_supported_band *sband; struct rhlist_head *tmp; @@ -857,7 +861,10 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) } } - rate_control_tx_status(local, sband, sta, skb); + status.sta = &sta->sta; + status.skb = skb; + status.info = info; + rate_control_tx_status(local, sband, &status); if (ieee80211_vif_is_mesh(&sta->sdata->vif)) ieee80211s_update_metric(local, sta, skb); -- cgit v1.2.3