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wifi: mac80211: optionally pass chandef to ieee80211_sta_cur_vht_bw()

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We'll need this as well for channel switching cases, so
add the ability now to pass the chandef to calculate for.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143418.f70e05d9f306.Ifa0ce267de4f0ef3c21d063fb0cbf50e84d7d6ff@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-06-12 14:32:04 +02:00
parent 25af8ff51d
commit 7d2bad829c
2 changed files with 24 additions and 11 deletions
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8
net/mac80211/ieee80211_i.h
View File

@ -2166,7 +2166,13 @@ ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta)
return _ieee80211_sta_cap_rx_bw(link_sta, NULL);
}
enum ieee80211_sta_rx_bandwidth
ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta);
_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,
struct cfg80211_chan_def *chandef);
static inline enum ieee80211_sta_rx_bandwidth
ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
{
return _ieee80211_sta_cur_vht_bw(link_sta, NULL);
}
void ieee80211_sta_init_nss(struct link_sta_info *link_sta);
enum ieee80211_sta_rx_bandwidth
ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width);

27
net/mac80211/vht.c
View File

@ -503,22 +503,29 @@ ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
/* FIXME: rename/move - this deals with everything not just VHT */
enum ieee80211_sta_rx_bandwidth
ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
_ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta,
struct cfg80211_chan_def *chandef)
{
struct sta_info *sta = link_sta->sta;
struct ieee80211_bss_conf *link_conf;
enum nl80211_chan_width bss_width;
enum ieee80211_sta_rx_bandwidth bw;
rcu_read_lock();
link_conf = rcu_dereference(sta->sdata->vif.link_conf[link_sta->link_id]);
if (WARN_ON(!link_conf))
bss_width = NL80211_CHAN_WIDTH_20_NOHT;
else
bss_width = link_conf->chanreq.oper.width;
rcu_read_unlock();
if (chandef) {
bss_width = chandef->width;
} else {
struct ieee80211_bss_conf *link_conf;
bw = ieee80211_sta_cap_rx_bw(link_sta);
rcu_read_lock();
link_conf = rcu_dereference(sta->sdata->vif.link_conf[link_sta->link_id]);
if (WARN_ON_ONCE(!link_conf)) {
rcu_read_unlock();
return IEEE80211_STA_RX_BW_20;
}
bss_width = link_conf->chanreq.oper.width;
rcu_read_unlock();
}
bw = _ieee80211_sta_cap_rx_bw(link_sta, chandef);
bw = min(bw, link_sta->cur_max_bandwidth);
/* Don't consider AP's bandwidth for TDLS peers, section 11.23.1 of