From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 25 Nov 2013 15:43:30 +0000 (+0000)
Subject: hostapd: add support for auto-channel selection
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=15b49759252e319ddc794c64ab3c5b8318314d63;p=openwrt%2Fstaging%2Flinusw.git

hostapd: add support for auto-channel selection

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38915
---

diff --git a/package/kernel/mac80211/files/lib/wifi/mac80211.sh b/package/kernel/mac80211/files/lib/wifi/mac80211.sh
index 13afa813b0..1994ca38d4 100644
--- a/package/kernel/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/kernel/mac80211/files/lib/wifi/mac80211.sh
@@ -19,11 +19,8 @@ mac80211_hostapd_setup_base() {
 
 	[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
 
-	[ "$channel" = auto ] && {
-		channel=$(iw phy "$phy" info | \
-			sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
-		config_set "$device" channel "$channel"
-	}
+	hostapd_channel=$channel
+	[ "$channel" = auto -o "$channel" = 0 ] && hostapd_channel=acs_survey
 
 	[ -n "$hwmode" ] && {
 		config_get hwmode_11n "$device" hwmode_11n
@@ -97,7 +94,7 @@ tx_queue_data0_cwmin=3
 tx_queue_data0_cwmax=7
 tx_queue_data0_burst=1.5
 ${hwmode:+hw_mode=$hwmode}
-${channel:+channel=$channel}
+${hostapd_channel:+channel=$hostapd_channel}
 ${beacon_int:+beacon_int=$beacon_int}
 ${country:+country_code=$country}
 ${noscan:+noscan=$noscan}
diff --git a/package/network/services/hostapd/files/hostapd-full.config b/package/network/services/hostapd/files/hostapd-full.config
index 2b71781181..bc999c04a1 100644
--- a/package/network/services/hostapd/files/hostapd-full.config
+++ b/package/network/services/hostapd/files/hostapd-full.config
@@ -164,4 +164,6 @@ CONFIG_NO_DUMP_STATE=y
 CONFIG_WPS=y
 CONFIG_FULL_DYNAMIC_VLAN=y
 
+CONFIG_ACS=y
+
 CONFIG_UBUS=y
diff --git a/package/network/services/hostapd/files/hostapd-mini.config b/package/network/services/hostapd/files/hostapd-mini.config
index 0f0284bdc0..01a04cb237 100644
--- a/package/network/services/hostapd/files/hostapd-mini.config
+++ b/package/network/services/hostapd/files/hostapd-mini.config
@@ -157,4 +157,6 @@ CONFIG_TLS=internal
 CONFIG_NO_RANDOM_POOL=y
 CONFIG_NO_DUMP_STATE=y
 
+CONFIG_ACS=y
+
 CONFIG_UBUS=y