diff options
Diffstat (limited to 'net/mac80211/main.c')
| -rw-r--r-- | net/mac80211/main.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 6f0fe3564ca4..8d5c19e4a1bc 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -168,7 +168,6 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed) return 0; memset(&conf, 0, sizeof(conf)); - conf.changed = changed; if (sdata->vif.type == NL80211_IFTYPE_STATION || sdata->vif.type == NL80211_IFTYPE_ADHOC) @@ -183,9 +182,50 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed) return -EINVAL; } + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_MESH_POINT: + break; + default: + /* do not warn to simplify caller in scan.c */ + changed &= ~IEEE80211_IFCC_BEACON_ENABLED; + if (WARN_ON(changed & IEEE80211_IFCC_BEACON)) + return -EINVAL; + changed &= ~IEEE80211_IFCC_BEACON; + break; + } + + if (changed & IEEE80211_IFCC_BEACON_ENABLED) { + if (local->sw_scanning) { + conf.enable_beacon = false; + } else { + /* + * Beacon should be enabled, but AP mode must + * check whether there is a beacon configured. + */ + switch (sdata->vif.type) { + case NL80211_IFTYPE_AP: + conf.enable_beacon = + !!rcu_dereference(sdata->u.ap.beacon); + break; + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_MESH_POINT: + conf.enable_beacon = true; + break; + default: + /* not reached */ + WARN_ON(1); + break; + } + } + } + if (WARN_ON(!conf.bssid && (changed & IEEE80211_IFCC_BSSID))) return -EINVAL; + conf.changed = changed; + return local->ops->config_interface(local_to_hw(local), &sdata->vif, &conf); } |