diff options
Diffstat (limited to 'package/kernel/mac80211/patches/391-mac80211-Fix-station-bandwidth-setting-after-channel.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/391-mac80211-Fix-station-bandwidth-setting-after-channel.patch | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/package/kernel/mac80211/patches/391-mac80211-Fix-station-bandwidth-setting-after-channel.patch b/package/kernel/mac80211/patches/391-mac80211-Fix-station-bandwidth-setting-after-channel.patch deleted file mode 100644 index aa8db32e72..0000000000 --- a/package/kernel/mac80211/patches/391-mac80211-Fix-station-bandwidth-setting-after-channel.patch +++ /dev/null @@ -1,96 +0,0 @@ -From: Ilan Peer <ilan.peer@intel.com> -Date: Fri, 31 Aug 2018 11:31:10 +0300 -Subject: [PATCH] mac80211: Fix station bandwidth setting after channel - switch - -When performing a channel switch flow for a managed interface, the -flow did not update the bandwidth of the AP station and the rate -scale algorithm. In case of a channel width downgrade, this would -result with the rate scale algorithm using a bandwidth that does not -match the interface channel configuration. - -Fix this by updating the AP station bandwidth and rate scaling algorithm -before the actual channel change in case of a bandwidth downgrade, or -after the actual channel change in case of a bandwidth upgrade. - -Signed-off-by: Ilan Peer <ilan.peer@intel.com> -Signed-off-by: Luca Coelho <luciano.coelho@intel.com> -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - ---- a/net/mac80211/mlme.c -+++ b/net/mac80211/mlme.c -@@ -975,6 +975,10 @@ static void ieee80211_chswitch_work(stru - */ - - if (sdata->reserved_chanctx) { -+ struct ieee80211_supported_band *sband = NULL; -+ struct sta_info *mgd_sta = NULL; -+ enum ieee80211_sta_rx_bandwidth bw = IEEE80211_STA_RX_BW_20; -+ - /* - * with multi-vif csa driver may call ieee80211_csa_finish() - * many times while waiting for other interfaces to use their -@@ -983,6 +987,48 @@ static void ieee80211_chswitch_work(stru - if (sdata->reserved_ready) - goto out; - -+ if (sdata->vif.bss_conf.chandef.width != -+ sdata->csa_chandef.width) { -+ /* -+ * For managed interface, we need to also update the AP -+ * station bandwidth and align the rate scale algorithm -+ * on the bandwidth change. Here we only consider the -+ * bandwidth of the new channel definition (as channel -+ * switch flow does not have the full HT/VHT/HE -+ * information), assuming that if additional changes are -+ * required they would be done as part of the processing -+ * of the next beacon from the AP. -+ */ -+ switch (sdata->csa_chandef.width) { -+ case NL80211_CHAN_WIDTH_20_NOHT: -+ case NL80211_CHAN_WIDTH_20: -+ default: -+ bw = IEEE80211_STA_RX_BW_20; -+ break; -+ case NL80211_CHAN_WIDTH_40: -+ bw = IEEE80211_STA_RX_BW_40; -+ break; -+ case NL80211_CHAN_WIDTH_80: -+ bw = IEEE80211_STA_RX_BW_80; -+ break; -+ case NL80211_CHAN_WIDTH_80P80: -+ case NL80211_CHAN_WIDTH_160: -+ bw = IEEE80211_STA_RX_BW_160; -+ break; -+ } -+ -+ mgd_sta = sta_info_get(sdata, ifmgd->bssid); -+ sband = -+ local->hw.wiphy->bands[sdata->csa_chandef.chan->band]; -+ } -+ -+ if (sdata->vif.bss_conf.chandef.width > -+ sdata->csa_chandef.width) { -+ mgd_sta->sta.bandwidth = bw; -+ rate_control_rate_update(local, sband, mgd_sta, -+ IEEE80211_RC_BW_CHANGED); -+ } -+ - ret = ieee80211_vif_use_reserved_context(sdata); - if (ret) { - sdata_info(sdata, -@@ -993,6 +1039,13 @@ static void ieee80211_chswitch_work(stru - goto out; - } - -+ if (sdata->vif.bss_conf.chandef.width < -+ sdata->csa_chandef.width) { -+ mgd_sta->sta.bandwidth = bw; -+ rate_control_rate_update(local, sband, mgd_sta, -+ IEEE80211_RC_BW_CHANGED); -+ } -+ - goto out; - } - |