diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/413-wifi-mac80211-add-flush_sta-method.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/413-wifi-mac80211-add-flush_sta-method.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/413-wifi-mac80211-add-flush_sta-method.patch b/package/kernel/mac80211/patches/subsys/413-wifi-mac80211-add-flush_sta-method.patch new file mode 100644 index 0000000000..4ec63ae883 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/413-wifi-mac80211-add-flush_sta-method.patch @@ -0,0 +1,91 @@ +From: Johannes Berg <johannes.berg@intel.com> +Date: Mon, 13 Mar 2023 11:53:51 +0100 +Subject: [PATCH] wifi: mac80211: add flush_sta method + +Some drivers like iwlwifi might have per-STA queues, so we +may want to flush/drop just those queues rather than all +when removing a station. Add a separate method for that. + +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +Reviewed-by: Greenman, Gregory <gregory.greenman@intel.com> +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -3661,6 +3661,10 @@ enum ieee80211_reconfig_type { + * Note that vif can be NULL. + * The callback can sleep. + * ++ * @flush_sta: Flush or drop all pending frames from the hardware queue(s) for ++ * the given station, as it's about to be removed. ++ * The callback can sleep. ++ * + * @channel_switch: Drivers that need (or want) to offload the channel + * switch operation for CSAs received from the AP may implement this + * callback. They must then call ieee80211_chswitch_done() to indicate +@@ -4065,6 +4069,8 @@ struct ieee80211_ops { + #endif + void (*flush)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop); ++ void (*flush_sta)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, ++ struct ieee80211_sta *sta); + void (*channel_switch)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_channel_switch *ch_switch); +--- a/net/mac80211/driver-ops.h ++++ b/net/mac80211/driver-ops.h +@@ -639,6 +639,21 @@ static inline void drv_flush(struct ieee + trace_drv_return_void(local); + } + ++static inline void drv_flush_sta(struct ieee80211_local *local, ++ struct ieee80211_sub_if_data *sdata, ++ struct sta_info *sta) ++{ ++ might_sleep(); ++ ++ if (sdata && !check_sdata_in_driver(sdata)) ++ return; ++ ++ trace_drv_flush_sta(local, sdata, &sta->sta); ++ if (local->ops->flush_sta) ++ local->ops->flush_sta(&local->hw, &sdata->vif, &sta->sta); ++ trace_drv_return_void(local); ++} ++ + static inline void drv_channel_switch(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_channel_switch *ch_switch) +--- a/net/mac80211/sta_info.c ++++ b/net/mac80211/sta_info.c +@@ -1071,8 +1071,12 @@ static void __sta_info_destroy_part2(str + * frames sitting on hardware queues might be sent out without + * any encryption at all. + */ +- if (local->ops->set_key) +- ieee80211_flush_queues(local, sta->sdata, false); ++ if (local->ops->set_key) { ++ if (local->ops->flush_sta) ++ drv_flush_sta(local, sta->sdata, sta); ++ else ++ ieee80211_flush_queues(local, sta->sdata, false); ++ } + + /* now keys can no longer be reached */ + ieee80211_free_sta_keys(local, sta); +--- a/net/mac80211/trace.h ++++ b/net/mac80211/trace.h +@@ -1140,6 +1140,13 @@ TRACE_EVENT(drv_flush, + ) + ); + ++DEFINE_EVENT(sta_event, drv_flush_sta, ++ TP_PROTO(struct ieee80211_local *local, ++ struct ieee80211_sub_if_data *sdata, ++ struct ieee80211_sta *sta), ++ TP_ARGS(local, sdata, sta) ++); ++ + TRACE_EVENT(drv_channel_switch, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, |