mac80211, hostapd: always explicitly set beacon interval

One of the latest mac80211 updates added sanity checks, requiring the
beacon intervals of all VIFs of the same radio to match. This often broke
AP+11s setups, as these modes use different default intervals, at least in
some configurations (observed on ath9k).

Instead of relying on driver or hostapd defaults, change the scripts to
always explicitly set the beacon interval, defaulting to 100. This also
applies the beacon interval to 11s interfaces, which had been forgotten
before. VIF-specific beacon_int setting is removed from hostapd.sh.

Fixes FS#619.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

package/kernel/mac80211/Makefile

@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 PKG_NAME:=mac80211
 
 PKG_VERSION:=2017-01-31
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_SOURCE_URL:=http://mirror2.openwrt.org/sources
 PKG_BACKPORT_VERSION:=
 PKG_HASH:=75e6d39e34cf156212a2509172a4a62b673b69eb4a1d9aaa565f7fa719fa2317

package/kernel/mac80211/files/lib/netifd/wireless/mac80211.sh

@@ -268,7 +268,7 @@ mac80211_hostapd_setup_base() {
 			vht_max_mpdu_hw=11454
 		[ "$vht_max_mpdu_hw" != 3895 ] && \
 			vht_capab="$vht_capab[MAX-MPDU-$vht_max_mpdu_hw]"
-			
+
 		# maximum A-MPDU length exponent
 		vht_max_a_mpdu_len_exp_hw=0
 		[ "$(($vht_cap & 58720256))" -ge 8388608 -a 1 -le "$vht_max_a_mpdu_len_exp" ] && \
@@ -588,7 +588,7 @@ mac80211_setup_adhoc() {
 	[ -n "$mcast_rate" ] && wpa_supplicant_add_rate mcval "$mcast_rate"
 
 	iw dev "$ifname" ibss join "$ssid" $freq $ibss_htmode fixed-freq $bssid \
-		${beacon_int:+beacon-interval $beacon_int} \
+		beacon-interval $beacon_int \
 		${brstr:+basic-rates $brstr} \
 		${mcval:+mcast-rate $mcval} \
 		${keyspec:+keys $keyspec}
@@ -668,7 +668,9 @@ mac80211_setup_vif() {
 				esac
 
 				freq="$(get_freq "$phy" "$channel")"
-				iw dev "$ifname" mesh join "$mesh_id" freq $freq $mesh_htmode ${mcval:+mcast-rate $mcval}
+				iw dev "$ifname" mesh join "$mesh_id" freq $freq $mesh_htmode \
+					${mcval:+mcast-rate $mcval} \
+					beacon-interval $beacon_int
 			fi
 
 			for var in $MP_CONFIG_INT $MP_CONFIG_BOOL $MP_CONFIG_STRING; do
@@ -720,7 +722,7 @@ drv_mac80211_setup() {
 		country chanbw distance \
 		txpower antenna_gain \
 		rxantenna txantenna \
-		frag rts beacon_int htmode
+		frag rts beacon_int:100 htmode
 	json_get_values basic_rate_list basic_rate
 	json_select ..
 

package/network/services/hostapd/Makefile

@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=hostapd
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_URL:=http://w1.fi/hostap.git
 PKG_SOURCE_PROTO:=git

package/network/services/hostapd/files/hostapd.sh

@@ -76,7 +76,7 @@ hostapd_prepare_device_config() {
 	local base="${config%%.conf}"
 	local base_cfg=
 
-	json_get_vars country country_ie beacon_int doth require_mode legacy_rates
+	json_get_vars country country_ie beacon_int:100 doth require_mode legacy_rates
 
 	hostapd_set_log_options base_cfg
 
@@ -121,7 +121,7 @@ hostapd_prepare_device_config() {
 
 	[ -n "$rlist" ] && append base_cfg "supported_rates=$rlist" "$N"
 	[ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
-	[ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
+	append base_cfg "beacon_int=$beacon_int" "$N"
 
 	cat > "$config" <<EOF
 driver=$driver
@@ -709,7 +709,6 @@ wpa_supplicant_add_network() {
 		esac
 	}
 	[ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
-	[ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
 
 	local bssid_blacklist bssid_whitelist
 	json_get_values bssid_blacklist bssid_blacklist