diff options
| author | John Crispin <john@phrozen.org> | 2022-02-24 14:54:59 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-03-15 13:41:22 +0300 |
| commit | c9eb90a56842a95351ee2d03933b1d8e36addc38 (patch) | |
| tree | a856bd0e56d87ce6fe660cb46e55b95df70dd63e | |
| parent | 2b3171c6fe0af24b5506e061525e08917a2f744a (diff) | |
| download | linux-c9eb90a56842a95351ee2d03933b1d8e36addc38.tar.xz | |
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>
| -rw-r--r-- | net/mac80211/cfg.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index da19f7156bb7..072eccbf1bae 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3256,9 +3256,31 @@ cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon) 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); |