mac80211: add explicit AP/GO driver operations

Depending on the driver, a lot of setup may be
necessary to start operating as an AP, some of
which may fail. Add an explicit AP start driver
method to make such failures easier to handle,
and add an AP stop driver method for symmetry.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ea8a6744a9db..dd0e6f20fc51 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1467,9 +1467,13 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 case NL80211_IFTYPE_AP:
                         changed |= BSS_CHANGED_SSID;
 
-                        if (sdata->vif.type == NL80211_IFTYPE_AP)
+                        if (sdata->vif.type == NL80211_IFTYPE_AP) {
                                 changed |= BSS_CHANGED_AP_PROBE_RESP;
 
+                                if (rcu_access_pointer(sdata->u.ap.beacon))
+                                        drv_start_ap(local, sdata);
+                        }
+
                         /* fall through */
                 case NL80211_IFTYPE_MESH_POINT:
                         changed |= BSS_CHANGED_BEACON |