diff mbox series

[07/76] wifi: mac80211: add an ieee80211_get_link_sband

Message ID 20220713114425.643de96a8383.I7e6296e1c8b4d4fe9909056621940c5e02e76eea@changeid
State New
Headers show
Series wifi: more MLO work | expand

Commit Message

Johannes Berg July 13, 2022, 9:43 a.m. UTC 
From: Shaul Triebitz <shaul.triebitz@intel.com>

Similar to ieee80211_get_sband but get the sband of the link_conf.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/ieee80211_i.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
diff mbox series

Patch

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 18bab27eda4f..a0023ad7ca1c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1543,6 +1543,28 @@  ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
 	return local->hw.wiphy->bands[band];
 }
 
+static inline struct ieee80211_supported_band *
+ieee80211_get_link_sband(struct ieee80211_sub_if_data *sdata, u32 link_id)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_chanctx_conf *chanctx_conf;
+	enum nl80211_band band;
+
+	rcu_read_lock();
+	chanctx_conf =
+		rcu_dereference(sdata->vif.link_conf[link_id]->chanctx_conf);
+
+	if (!chanctx_conf) {
+		rcu_read_unlock();
+		return NULL;
+	}
+
+	band = chanctx_conf->def.chan->band;
+	rcu_read_unlock();
+
+	return local->hw.wiphy->bands[band];
+}
+
 /* this struct holds the value parsing from channel switch IE  */
 struct ieee80211_csa_ie {
 	struct cfg80211_chan_def chandef;