Return-path: Received: from cora.hrz.tu-chemnitz.de ([134.109.228.40]:38285 "EHLO cora.hrz.tu-chemnitz.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494Ab3GHO4R (ORCPT ); Mon, 8 Jul 2013 10:56:17 -0400 From: Simon Wunderlich To: Johannes Berg Cc: linux-wireless@vger.kernel.org, Mathias Kretschmer , Simon Wunderlich Subject: [PATCHv6 02/18] mac80211/rc80211: add chandef to rate initialization Date: Mon, 8 Jul 2013 16:55:50 +0200 Message-Id: <1373295366-12823-3-git-send-email-siwu@hrz.tu-chemnitz.de> (sfid-20130708_165621_815631_F821A716) In-Reply-To: <1373295366-12823-1-git-send-email-siwu@hrz.tu-chemnitz.de> References: <1373295366-12823-1-git-send-email-siwu@hrz.tu-chemnitz.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: 5 and 10 MHz support needs to know the current operating channel width, add the chandef to the rate control API. Signed-off-by: Simon Wunderlich Signed-off-by: Mathias Kretschmer --- drivers/net/wireless/ath/ath9k/rc.c | 2 ++ drivers/net/wireless/iwlegacy/3945-rs.c | 1 + drivers/net/wireless/iwlegacy/4965-rs.c | 1 + drivers/net/wireless/iwlwifi/dvm/rs.c | 3 ++- drivers/net/wireless/iwlwifi/mvm/rs.c | 5 +++-- drivers/net/wireless/rtlwifi/rc.c | 1 + include/net/mac80211.h | 2 ++ net/mac80211/rate.h | 22 +++++++++++++++++----- net/mac80211/rc80211_minstrel.c | 3 ++- net/mac80211/rc80211_minstrel_ht.c | 10 +++++++--- net/mac80211/rc80211_pid_algo.c | 1 + 11 files changed, 39 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 7eb1f4b..a3c4ca0 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1275,6 +1275,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, } static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta) { struct ath_softc *sc = priv; @@ -1313,6 +1314,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, } static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta, u32 changed) { diff --git a/drivers/net/wireless/iwlegacy/3945-rs.c b/drivers/net/wireless/iwlegacy/3945-rs.c index fe31590..aea667b 100644 --- a/drivers/net/wireless/iwlegacy/3945-rs.c +++ b/drivers/net/wireless/iwlegacy/3945-rs.c @@ -887,6 +887,7 @@ il3945_remove_debugfs(void *il, void *il_sta) */ static void il3945_rs_rate_init_stub(void *il_r, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *il_sta) { } diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c index ed3c42a..3ccbaf7 100644 --- a/drivers/net/wireless/iwlegacy/4965-rs.c +++ b/drivers/net/wireless/iwlegacy/4965-rs.c @@ -2803,6 +2803,7 @@ il4965_rs_remove_debugfs(void *il, void *il_sta) */ static void il4965_rs_rate_init_stub(void *il_r, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *il_sta) { } diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index 1b69394..91eb09b 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -3319,7 +3319,8 @@ static void rs_remove_debugfs(void *priv, void *priv_sta) * station is added we ignore it. */ static void rs_rate_init_stub(void *priv_r, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta) + struct cfg80211_chan_def *chandef, + struct ieee80211_sta *sta, void *priv_sta) { } static struct rate_control_ops rs_ops = { diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index b328a98..376ea21 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -3159,8 +3159,9 @@ static void rs_remove_debugfs(void *mvm, void *mvm_sta) * station is added we ignore it. */ static void rs_rate_init_stub(void *mvm_r, - struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *mvm_sta) + struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, + struct ieee80211_sta *sta, void *mvm_sta) { } static struct rate_control_ops rs_mvm_ops = { diff --git a/drivers/net/wireless/rtlwifi/rc.c b/drivers/net/wireless/rtlwifi/rc.c index f9f059d..a98acef 100644 --- a/drivers/net/wireless/rtlwifi/rc.c +++ b/drivers/net/wireless/rtlwifi/rc.c @@ -218,6 +218,7 @@ static void rtl_tx_status(void *ppriv, static void rtl_rate_init(void *ppriv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta) { } diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5b7a3da..b0e6872 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -4204,8 +4204,10 @@ struct rate_control_ops { void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp); void (*rate_init)(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta); void (*rate_update)(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta, u32 changed); void (*free_sta)(void *priv, struct ieee80211_sta *sta, diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h index d35a5dd..5dedc56 100644 --- a/net/mac80211/rate.h +++ b/net/mac80211/rate.h @@ -66,11 +66,12 @@ static inline void rate_control_rate_init(struct sta_info *sta) } sband = local->hw.wiphy->bands[chanctx_conf->def.chan->band]; - rcu_read_unlock(); ieee80211_sta_set_rx_nss(sta); - ref->ops->rate_init(ref->priv, sband, ista, priv_sta); + ref->ops->rate_init(ref->priv, sband, &chanctx_conf->def, ista, + priv_sta); + rcu_read_unlock(); set_sta_flag(sta, WLAN_STA_RATE_CONTROL); } @@ -81,10 +82,21 @@ static inline void rate_control_rate_update(struct ieee80211_local *local, struct rate_control_ref *ref = local->rate_ctrl; struct ieee80211_sta *ista = &sta->sta; void *priv_sta = sta->rate_ctrl_priv; + struct ieee80211_chanctx_conf *chanctx_conf; - if (ref && ref->ops->rate_update) - ref->ops->rate_update(ref->priv, sband, ista, - priv_sta, changed); + if (ref && ref->ops->rate_update) { + rcu_read_lock(); + + chanctx_conf = rcu_dereference(sta->sdata->vif.chanctx_conf); + if (WARN_ON(!chanctx_conf)) { + rcu_read_unlock(); + return; + } + + ref->ops->rate_update(ref->priv, sband, &chanctx_conf->def, + ista, priv_sta, changed); + rcu_read_unlock(); + } drv_sta_rc_update(local, sta->sdata, &sta->sta, changed); } diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index ac7ef54..5b25966 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -417,7 +417,8 @@ init_sample_table(struct minstrel_sta_info *mi) static void minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband, - struct ieee80211_sta *sta, void *priv_sta) + struct cfg80211_chan_def *chandef, + struct ieee80211_sta *sta, void *priv_sta) { struct minstrel_sta_info *mi = priv_sta; struct minstrel_priv *mp = priv; diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 5b2d301..5256297 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -836,6 +836,7 @@ minstrel_ht_update_cck(struct minstrel_priv *mp, struct minstrel_ht_sta *mi, static void minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta) { struct minstrel_priv *mp = priv; @@ -931,22 +932,25 @@ use_legacy: memset(&msp->legacy, 0, sizeof(msp->legacy)); msp->legacy.r = msp->ratelist; msp->legacy.sample_table = msp->sample_table; - return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy); + return mac80211_minstrel.rate_init(priv, sband, chandef, sta, + &msp->legacy); } static void minstrel_ht_rate_init(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta) { - minstrel_ht_update_caps(priv, sband, sta, priv_sta); + minstrel_ht_update_caps(priv, sband, chandef, sta, priv_sta); } static void minstrel_ht_rate_update(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta, u32 changed) { - minstrel_ht_update_caps(priv, sband, sta, priv_sta); + minstrel_ht_update_caps(priv, sband, chandef, sta, priv_sta); } static void * diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index 502d3ec..958fad0 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -293,6 +293,7 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta, static void rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband, + struct cfg80211_chan_def *chandef, struct ieee80211_sta *sta, void *priv_sta) { struct rc_pid_sta_info *spinfo = priv_sta; -- 1.7.10.4