From 669b84134a2be14d333d4f82b65943d467404f87 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Sun, 29 Nov 2020 17:30:55 +0200 Subject: cfg80211: include block-tx flag in channel switch started event In the NL80211_CMD_CH_SWITCH_STARTED_NOTIFY event, include the NL80211_ATTR_CH_SWITCH_BLOCK_TX flag attribute if block-tx was requested by the AP. Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20201129172929.8953ef22cc64.Ifee9cab337a4369938545920ba5590559e91327a@changeid Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 2 +- net/mac80211/mlme.c | 2 +- net/wireless/nl80211.c | 17 +++++++++++------ 3 files changed, 13 insertions(+), 8 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c0d0b15c10fd..7da343efd090 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3450,7 +3450,7 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, IEEE80211_QUEUE_STOP_REASON_CSA); cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef, - params->count); + params->count, params->block_tx); if (changed) { ieee80211_bss_info_change_notify(sdata, changed); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 67829667d394..d4da9822a111 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1509,7 +1509,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, mutex_unlock(&local->mtx); cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef, - csa_ie.count); + csa_ie.count, csa_ie.mode); if (local->ops->channel_switch) { /* use driver's channel switch callback */ diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 4a7ef3b584be..c8d31181a660 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -17062,7 +17062,7 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef, gfp_t gfp, enum nl80211_commands notif, - u8 count) + u8 count, bool quiet) { struct sk_buff *msg; void *hdr; @@ -17083,9 +17083,13 @@ static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, if (nl80211_send_chandef(msg, chandef)) goto nla_put_failure; - if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && - (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) + if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) { + if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)) goto nla_put_failure; + if (quiet && + nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)) + goto nla_put_failure; + } genlmsg_end(msg, hdr); @@ -17118,13 +17122,13 @@ void cfg80211_ch_switch_notify(struct net_device *dev, cfg80211_sched_dfs_chan_update(rdev); nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, - NL80211_CMD_CH_SWITCH_NOTIFY, 0); + NL80211_CMD_CH_SWITCH_NOTIFY, 0, false); } EXPORT_SYMBOL(cfg80211_ch_switch_notify); void cfg80211_ch_switch_started_notify(struct net_device *dev, struct cfg80211_chan_def *chandef, - u8 count) + u8 count, bool quiet) { struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; @@ -17133,7 +17137,8 @@ void cfg80211_ch_switch_started_notify(struct net_device *dev, trace_cfg80211_ch_switch_started_notify(dev, chandef); nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, - NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); + NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, + count, quiet); } EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); -- cgit v1.2.3