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wifi: mac80211: add an ieee80211_get_link_sband

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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>
This commit is contained in:
Shaul Triebitz 2022-06-19 15:08:02 +03:00 committed by Johannes Berg
parent 0866f8e3ef
commit f91cb507e6
1 changed files with 22 additions and 0 deletions
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22
net/mac80211/ieee80211_i.h
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@ -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;