openwrt/package/hostapd/patches/004-use-nl80211-for-beacons.patch

---
 hostapd/driver_devicescape.c |  111 +++++++++++++++++++++++++++++++------------
 1 file changed, 82 insertions(+), 29 deletions(-)

--- hostap.orig/hostapd/driver_devicescape.c	2007-11-09 13:41:13.000000000 +0100
+++ hostap/hostapd/driver_devicescape.c	2007-11-09 13:41:13.000000000 +0100
@@ -68,6 +68,8 @@ struct i802_driver_data {
 	struct nl_handle *nl_handle;
 	struct nl_cache *nl_cache;
 	struct genl_family *nl80211;
+	int dtim_period;
+	unsigned int beacon_set:1;
 };
 
 
@@ -908,37 +910,44 @@ static int i802_bss_remove(void *priv, c
 }
 
 
-static int i802_set_beacon(const char *ifname, void *priv,
+static int i802_set_beacon(const char *iface, void *priv,
 			   u8 *head, size_t head_len,
 			   u8 *tail, size_t tail_len)
 {
 	struct i802_driver_data *drv = priv;
-	struct prism2_hostapd_param *param;
-	int len, ret = 0;
+	struct nl_msg *msg;
+	u8 cmd = NL80211_CMD_NEW_BEACON;
+	int ret = -1;
 
-	param = os_zalloc(sizeof(*param) + head_len + tail_len);
-	if (param == NULL) {
-		printf("Failed to alloc memory for beacon ioctl\n");
-		return -1;
-	}
-	len = (&param->u.beacon.data[0] - (u8 *) param) + head_len + tail_len;
-	param->cmd = PRISM2_HOSTAPD_SET_BEACON;
-	param->u.beacon.head_len = head_len;
-	param->u.beacon.tail_len = tail_len;
-	memcpy(&param->u.beacon.data[0], head, head_len);
-	memcpy(&param->u.beacon.data[0] + head_len, tail, tail_len);
-
-	if (len < (int) sizeof(*param))
-		len = sizeof(*param);
-	if (hostapd_ioctl_iface(ifname, drv, param, len)) {
-		printf("Could not set beacon data to kernel driver.\n");
-		printf("ifname='%s' head=%p head_len=%d tail=%p tail_len=%d "
-		       "cmd=%d\n",
-		       ifname, head, head_len, tail, tail_len, param->cmd);
-		ret = -1;
-	}
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out;
 
-	free(param);
+	if (drv->beacon_set)
+		cmd = NL80211_CMD_SET_BEACON;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, cmd, 0);
+	NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
+	NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
+	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, 1000);
+
+	if (!drv->dtim_period)
+		drv->dtim_period = 2;
+	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
+
+	if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+	    nl_wait_for_ack(drv->nl_handle) < 0)
+		goto out;
+
+	ret = 0;
+
+	drv->beacon_set = 1;
+
+ out:
+ nla_put_failure:
+	nlmsg_free(msg);
 	return ret;
 }
 
@@ -985,15 +994,59 @@ static int i802_set_internal_bridge(void
 static int i802_set_beacon_int(void *priv, int value)
 {
 	struct i802_driver_data *drv = priv;
-	return hostap_ioctl_prism2param(drv, PRISM2_PARAM_BEACON_INT, value);
+	struct nl_msg *msg;
+	int ret = -1;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_BEACON, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
+
+	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, value);
+
+	if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+	    nl_wait_for_ack(drv->nl_handle) < 0)
+		goto out;
+
+	ret = 0;
+
+ out:
+ nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
 }
 
 
-static int i802_set_dtim_period(const char *ifname, void *priv, int value)
+static int i802_set_dtim_period(const char *iface, void *priv, int value)
 {
 	struct i802_driver_data *drv = priv;
-	return hostap_ioctl_prism2param_iface(ifname, drv,
-					      PRISM2_PARAM_DTIM_PERIOD, value);
+	struct nl_msg *msg;
+	int ret = -1;
+
+	msg = nlmsg_alloc();
+	if (!msg)
+		goto out;
+
+	genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+		    0, NL80211_CMD_SET_BEACON, 0);
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
+
+	drv->dtim_period = value;
+	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
+
+	if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
+	    nl_wait_for_ack(drv->nl_handle) < 0)
+		goto out;
+
+	ret = 0;
+
+ out:
+ nla_put_failure:
+	nlmsg_free(msg);
+	return ret;
 }