hostapd: Add an option to disable beaconing

Add a patch for hostapd that introduces a config option
"start_disabled" which can be used to bring up an AP
interface with beaconing disabled. This is useful in
a Repeater-AP setup where the Repeater AP has to start
beaconing only after the WDS link has been established.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37730 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/network/services/hostapd/patches/454-ap-sta-concurrency.patch

@@ -0,0 +1,45 @@
+--- a/hostapd/config_file.c
++++ b/hostapd/config_file.c
+@@ -1781,6 +1781,8 @@ static int hostapd_config_fill(struct ho
+ 			}
+ 		} else if (os_strcmp(buf, "wds_sta") == 0) {
+ 			bss->wds_sta = atoi(pos);
++		} else if (os_strcmp(buf, "start_disabled") == 0) {
++			bss->start_disabled = atoi(pos);
+ 		} else if (os_strcmp(buf, "ap_isolate") == 0) {
+ 			bss->isolate = atoi(pos);
+ 		} else if (os_strcmp(buf, "ap_max_inactivity") == 0) {
+--- a/hostapd/hostapd.conf
++++ b/hostapd/hostapd.conf
+@@ -389,6 +389,9 @@ wmm_ac_vo_acm=0
+ # use a separate bridge.
+ #wds_bridge=wds-br0
+ 
++# Start the AP with beaconing disabled by default.
++#start_disabled=0
++
+ # Client isolation can be used to prevent low-level bridging of frames between
+ # associated stations in the BSS. By default, this bridging is allowed.
+ #ap_isolate=1
+--- a/src/ap/ap_config.h
++++ b/src/ap/ap_config.h
+@@ -243,6 +243,7 @@ struct hostapd_bss_config {
+ 	int num_deny_mac;
+ 	int wds_sta;
+ 	int isolate;
++	int start_disabled;
+ 
+ 	int auth_algs; /* bitfield of allowed IEEE 802.11 authentication
+ 			* algorithms, WPA_AUTH_ALG_{OPEN,SHARED,LEAP} */
+--- a/src/ap/hostapd.c
++++ b/src/ap/hostapd.c
+@@ -819,7 +819,8 @@ static int hostapd_setup_bss(struct host
+ 		return -1;
+ 	}
+ 
+-	ieee802_11_set_beacon(hapd);
++	if (!hapd->conf->start_disabled)
++		ieee802_11_set_beacon(hapd);
+ 
+ 	if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
+ 		return -1;