diff options
Diffstat (limited to 'net/mac80211/cfg.c')
| -rw-r--r-- | net/mac80211/cfg.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 4bc8a9250cfd..845c76d58d25 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1215,6 +1215,9 @@ static int ieee80211_set_channel(struct wiphy *wiphy, { struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata = NULL; + struct ieee80211_channel *old_oper; + enum nl80211_channel_type old_oper_type; + enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; if (netdev) sdata = IEEE80211_DEV_TO_SUB_IF(netdev); @@ -1232,13 +1235,23 @@ static int ieee80211_set_channel(struct wiphy *wiphy, break; } - local->oper_channel = chan; + if (sdata) + old_vif_oper_type = sdata->vif.bss_conf.channel_type; + old_oper_type = local->_oper_channel_type; if (!ieee80211_set_channel_type(local, sdata, channel_type)) return -EBUSY; - ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); - if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) + old_oper = local->oper_channel; + local->oper_channel = chan; + + /* Update driver if changes were actually made. */ + if ((old_oper != local->oper_channel) || + (old_oper_type != local->_oper_channel_type)) + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); + + if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && + old_vif_oper_type != sdata->vif.bss_conf.channel_type) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); return 0; @@ -1274,8 +1287,11 @@ static int ieee80211_scan(struct wiphy *wiphy, case NL80211_IFTYPE_P2P_GO: if (sdata->local->ops->hw_scan) break; - /* FIXME: implement NoA while scanning in software */ - return -EOPNOTSUPP; + /* + * FIXME: implement NoA while scanning in software, + * for now fall through to allow scanning only when + * beaconing hasn't been configured yet + */ case NL80211_IFTYPE_AP: if (sdata->u.ap.beacon) return -EOPNOTSUPP; |