From: rtrimana <rtrimana@uci.edu>
Date: Fri, 16 Jun 2017 22:29:00 +0000 (-0700)
Subject: Checking in a missing patch for hostapd; this is the workaround for DHCPACK that... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=806ac86633db46f02503b9e02a9e017eac9682ba;p=lede.git

Checking in a missing patch for hostapd; this is the workaround for DHCPACK that's missing when hostapd runs with disable_dgaf and proxy_arp
---

diff --git a/package/network/services/hostapd/patches/800-hostapd_disable_dgaf_multicast_fix.patch b/package/network/services/hostapd/patches/800-hostapd_disable_dgaf_multicast_fix.patch
new file mode 100644
index 0000000000..e63d72c988
--- /dev/null
+++ b/package/network/services/hostapd/patches/800-hostapd_disable_dgaf_multicast_fix.patch
@@ -0,0 +1,34 @@
+--- a/src/ap/dhcp_snoop.c
++++ b/src/ap/dhcp_snoop.c
+@@ -110,6 +110,15 @@ static void handle_dhcp(void *ctx, const
+ 		}
+ 	}
+ 
++	if (hapd->conf->disable_dgaf && is_broadcast_ether_addr(buf)) {
++		for (sta = hapd->sta_list; sta; sta = sta->next) {
++			if (!(sta->flags & WLAN_STA_AUTHORIZED))
++				continue;
++			x_snoop_mcast_to_ucast_convert_send(hapd, sta,
++				(u8 *) buf, len);
++		}
++	}
++
+ 	if (msgtype == DHCPACK) {
+ 		if (b->your_ip == 0)
+ 			return;
+@@ -145,15 +154,6 @@ static void handle_dhcp(void *ctx, const
+ 		}
+ 		sta->ipaddr = b->your_ip;
+ 	}
+-
+-	if (hapd->conf->disable_dgaf && is_broadcast_ether_addr(buf)) {
+-		for (sta = hapd->sta_list; sta; sta = sta->next) {
+-			if (!(sta->flags & WLAN_STA_AUTHORIZED))
+-				continue;
+-			x_snoop_mcast_to_ucast_convert_send(hapd, sta,
+-							    (u8 *) buf, len);
+-		}
+-	}
+ }
+ 
+