diff options
Diffstat (limited to 'net/mac80211/chan.c')
| -rw-r--r-- | net/mac80211/chan.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c index b297bd3..623b336 100644 --- a/net/mac80211/chan.c +++ b/net/mac80211/chan.c @@ -519,6 +519,7 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct ieee80211_chanctx *ctx; + u8 radar_detect_width = 0; int ret; lockdep_assert_held(&local->mtx); @@ -526,6 +527,22 @@ int ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, WARN_ON(sdata->dev && netif_carrier_ok(sdata->dev)); mutex_lock(&local->chanctx_mtx); + + ret = cfg80211_chandef_dfs_required(local->hw.wiphy, + chandef, + sdata->wdev.iftype); + if (ret < 0) + goto out; + if (ret > 0) + radar_detect_width = BIT(chandef->width); + + sdata->radar_required = ret; + + ret = ieee80211_check_combinations(sdata, chandef, mode, + radar_detect_width); + if (ret < 0) + goto out; + __ieee80211_vif_release_channel(sdata); ctx = ieee80211_find_chanctx(local, chandef, mode); |