diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/325-mac80211-MBSSID-channel-switch.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/325-mac80211-MBSSID-channel-switch.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/325-mac80211-MBSSID-channel-switch.patch b/package/kernel/mac80211/patches/subsys/325-mac80211-MBSSID-channel-switch.patch new file mode 100644 index 0000000000..38b0de180e --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/325-mac80211-MBSSID-channel-switch.patch @@ -0,0 +1,52 @@ +From: John Crispin <john@phrozen.org> +Date: Thu, 24 Feb 2022 12:54:59 +0100 +Subject: [PATCH] mac80211: MBSSID channel switch + +Trigger ieee80211_csa_finish() on the non-transmitting interfaces +when channel switch concludes on the transmitting interface. + +Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Co-developed-by: Aloka Dixit <alokad@codeaurora.org> +Signed-off-by: Aloka Dixit <alokad@codeaurora.org> +Signed-off-by: John Crispin <john@phrozen.org> +Link: https://lore.kernel.org/r/6fde4d7f9fa387494f46a7aa4a584478dcda06f1.1645702516.git.lorenzo@kernel.org +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/net/mac80211/cfg.c ++++ b/net/mac80211/cfg.c +@@ -3247,9 +3247,31 @@ cfg80211_beacon_dup(struct cfg80211_beac + void ieee80211_csa_finish(struct ieee80211_vif *vif) + { + struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); ++ struct ieee80211_local *local = sdata->local; + +- ieee80211_queue_work(&sdata->local->hw, +- &sdata->csa_finalize_work); ++ rcu_read_lock(); ++ ++ if (vif->mbssid_tx_vif == vif) { ++ /* Trigger ieee80211_csa_finish() on the non-transmitting ++ * interfaces when channel switch is received on ++ * transmitting interface ++ */ ++ struct ieee80211_sub_if_data *iter; ++ ++ list_for_each_entry_rcu(iter, &local->interfaces, list) { ++ if (!ieee80211_sdata_running(iter)) ++ continue; ++ ++ if (iter == sdata || iter->vif.mbssid_tx_vif != vif) ++ continue; ++ ++ ieee80211_queue_work(&iter->local->hw, ++ &iter->csa_finalize_work); ++ } ++ } ++ ieee80211_queue_work(&local->hw, &sdata->csa_finalize_work); ++ ++ rcu_read_unlock(); + } + EXPORT_SYMBOL(ieee80211_csa_finish); + |