mac80211/hostapd: add support for HT capa in case of IBSS/RSN

Signed-off-by: Antonio Quartulli <ordex@autistici.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32830 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 181 insertions, 7 deletions

diff --git a/package/hostapd/files/wpa_supplicant.sh b/package/hostapd/files/wpa_supplicant.sh
index 6f89c646a..babacd796 100644
--- a/package/hostapd/files/wpa_supplicant.sh
+++ b/package/hostapd/files/wpa_supplicant.sh
@@ -4,6 +4,7 @@ wpa_supplicant_setup_vif() {
 	local key="$key"
 	local options="$3"
 	local freq=""
+	local ht="$5"
 	local ap_scan=""
 	local scan_ssid="1"
 	[ -n "$4" ] && freq="frequency=$4"
@@ -149,6 +150,9 @@ wpa_supplicant_setup_vif() {
 		mrate=${mcast_rate:+"mcast_rate=$mcval"}
 	}
 
+	local ht_str
+	[ -n "$ht" ] && ht_str="htmode=$ht"
+
 	rm -rf /var/run/wpa_supplicant-$ifname
 	cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
 ctrl_interface=/var/run/wpa_supplicant-$ifname
@@ -165,6 +169,7 @@ network={
 	$beacon_interval
 	$brates
 	$mrate
+	$ht_str
 	$ieee80211w
 	$passphrase
 	$pairwise
diff --git a/package/hostapd/patches/604-wpa_s-support-htmode-param.patch b/package/hostapd/patches/604-wpa_s-support-htmode-param.patch
new file mode 100644
index 000000000..7e1a7a072
--- /dev/null
+++ b/package/hostapd/patches/604-wpa_s-support-htmode-param.patch
@@ -0,0 +1,169 @@
+From b9329c5dfeed7d5c55d2117d8dfe326fc40c8fb1 Mon Sep 17 00:00:00 2001
+From: Antonio Quartulli <ordex@autistici.org>
+Date: Tue, 3 Jul 2012 00:36:24 +0200
+Subject: [PATCH] wpa_s: support htmode param
+
+possible values are HT20, HT40-, HT40+ and NOHT
+
+Signed-off-by: Antonio Quartulli <ordex@autistici.org>
+---
+ src/drivers/driver.h            |    2 ++
+ src/drivers/driver_nl80211.c    |   16 ++++++++++
+ wpa_supplicant/config.c         |   66 +++++++++++++++++++++++++++++++++++++++
+ wpa_supplicant/config_ssid.h    |    2 ++
+ wpa_supplicant/wpa_supplicant.c |    2 ++
+ 5 files changed, 88 insertions(+)
+
+diff --git a/src/drivers/driver.h b/src/drivers/driver.h
+index dda2fbc..28bd181 100644
+--- a/src/drivers/driver.h
++++ b/src/drivers/driver.h
+@@ -337,6 +337,8 @@ struct wpa_driver_associate_params {
+ 	int fixed_freq;
+ 	unsigned char rates[NL80211_MAX_SUPP_RATES];
+ 	int mcast_rate;
++	int ht_set;
++	unsigned int htmode;
+ 
+ 	/**
+ 	 * bg_scan_period - Background scan period in seconds, 0 to disable
+diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
+index 9783c96..d1257a7 100644
+--- a/src/drivers/driver_nl80211.c
++++ b/src/drivers/driver_nl80211.c
+@@ -6493,6 +6493,22 @@ retry:
+ 		NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, params->mcast_rate);
+ 	}
+ 
++	if (params->ht_set) {
++		switch(params->htmode) {
++			case NL80211_CHAN_HT20:
++				wpa_printf(MSG_DEBUG, "  * ht=HT20");
++				break;
++			case NL80211_CHAN_HT40PLUS:
++				wpa_printf(MSG_DEBUG, "  * ht=HT40+");
++				break;
++			case NL80211_CHAN_HT40MINUS:
++				wpa_printf(MSG_DEBUG, "  * ht=HT40-");
++				break;
++		}
++		NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
++			    params->htmode);
++	}
++
+ 	ret = nl80211_set_conn_keys(params, msg);
+ 	if (ret)
+ 		goto nla_put_failure;
+diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
+index 3d6c0e6..d96b2ea 100644
+--- a/wpa_supplicant/config.c
++++ b/wpa_supplicant/config.c
+@@ -1468,6 +1468,71 @@ static char * wpa_config_write_mcast_rate(const struct parse_data *data,
+ }
+ #endif /* NO_CONFIG_WRITE */
+ 
++static int wpa_config_parse_htmode(const struct parse_data *data,
++				   struct wpa_ssid *ssid, int line,
++				   const char *value)
++{
++	int i;
++	static const struct {
++		const char *name;
++		unsigned int val;
++	} htmap[] = {
++		{ .name = "HT20", .val = NL80211_CHAN_HT20, },
++		{ .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
++		{ .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
++		{ .name = "NOHT", .val = NL80211_CHAN_NO_HT, },
++	};
++	ssid->ht_set = 0;;
++	for (i = 0; i < 4; i++) {
++		if (strcasecmp(htmap[i].name, value) == 0) {
++			ssid->htmode = htmap[i].val;
++			ssid->ht_set = 1;
++			break;
++		}
++	}
++
++	return 0;
++}
++
++#ifndef NO_CONFIG_WRITE
++static char * wpa_config_write_htmode(const struct parse_data *data,
++				      struct wpa_ssid *ssid)
++{
++	char *value;
++	int res;
++
++	value = os_malloc(6); /* longest: HT40+ */
++	if (value == NULL)
++		return NULL;
++
++	switch(ssid->htmode) {
++		case NL80211_CHAN_HT20:
++			res = os_snprintf(value, 4, "HT20");
++			break;
++		case NL80211_CHAN_HT40PLUS:
++			res = os_snprintf(value, 5, "HT40+");
++			break;
++		case NL80211_CHAN_HT40MINUS:
++			res = os_snprintf(value, 5, "HT40-");
++			break;
++		case NL80211_CHAN_NO_HT:
++			res = os_snprintf(value, 4, "NOHT");
++			break;
++		default:
++			os_free(value);
++			return NULL;
++	}
++
++	if (res < 0) {
++		os_free(value);
++		return NULL;
++	}
++
++	return value;
++}
++#endif /* NO_CONFIG_WRITE */
++
++
+ static int wpa_config_parse_rates(const struct parse_data *data,
+ 				  struct wpa_ssid *ssid, int line,
+ 				  const char *value)
+@@ -1706,6 +1771,7 @@ static const struct parse_data ssid_fields[] = {
+ 	{ INT_RANGE(beacon_interval, 0, 1000) },
+ 	{ FUNC(rates) },
+ 	{ FUNC(mcast_rate) },
++	{ FUNC(htmode) },
+ };
+ 
+ #undef OFFSET
+diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
+index 8d152a4..7143277 100644
+--- a/wpa_supplicant/config_ssid.h
++++ b/wpa_supplicant/config_ssid.h
+@@ -505,6 +505,8 @@ struct wpa_ssid {
+ 	int beacon_interval;
+ 	unsigned char rates[NL80211_MAX_SUPP_RATES];
+ 	double mcast_rate;
++	int ht_set;
++	unsigned int htmode;
+ };
+ 
+ #endif /* CONFIG_SSID_H */
+diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
+index 59efa16..fc8762f 100644
+--- a/wpa_supplicant/wpa_supplicant.c
++++ b/wpa_supplicant/wpa_supplicant.c
+@@ -1379,6 +1379,8 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
+ 			i++;
+ 		}
+ 		params.mcast_rate = ssid->mcast_rate;
++		params.ht_set = ssid->ht_set;
++		params.htmode = ssid->htmode;
+ 	}
+ 
+ 	params.wpa_ie = wpa_ie;
+-- 
+1.7.9.4
+
diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index 97fd05074..6dfe2a2ca 100644
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -445,11 +445,17 @@ enable_mac80211() {
 				config_get encryption "$vif" encryption
 				config_get key "$vif" key 1
 				config_get mcast_rate "$vif" mcast_rate
+				config_get htmode "$device" htmode
+				case "$htmode" in
+					HT20|HT40+|HT40-) ;;
+					*) htmode= ;;
+				esac
+
 
 				local keyspec=""
 				[ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
 					if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
-						wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq || {
+						wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq $htmode || {
 							echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
 							# make sure this wifi interface won't accidentally stay open without encryption
 							ifconfig "$ifname" down
@@ -496,12 +502,6 @@ enable_mac80211() {
 					[ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
 				}
 
-				config_get htmode "$device" htmode
-				case "$htmode" in
-					HT20|HT40+|HT40-|NOHT) ;;
-					*) htmode= ;;
-				esac
-
 				iw dev "$ifname" ibss join "$ssid" $freq $htmode \
 					${fixed:+fixed-freq} $bssid \
 					${beacon_int:+beacon-interval $beacon_int} \