openwrt/package/network/services/hostapd/patches/740-snoop_iface.patch
Felix Fietkau 7b46377a0c hostapd: make the snooping interface (for proxyarp) configurable
Use the VLAN interface instead of the bridge, to ensure that hostapd receives
untagged DHCP packets

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2021-07-28 05:55:11 +02:00

35 lines
1.2 KiB
Diff

--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -278,6 +278,7 @@ struct hostapd_bss_config {
char iface[IFNAMSIZ + 1];
char bridge[IFNAMSIZ + 1];
char ft_iface[IFNAMSIZ + 1];
+ char snoop_iface[IFNAMSIZ + 1];
char vlan_bridge[IFNAMSIZ + 1];
char wds_bridge[IFNAMSIZ + 1];
--- a/src/ap/x_snoop.c
+++ b/src/ap/x_snoop.c
@@ -71,6 +71,10 @@ x_snoop_get_l2_packet(struct hostapd_dat
{
struct hostapd_bss_config *conf = hapd->conf;
struct l2_packet_data *l2;
+ const char *ifname = conf->bridge;
+
+ if (conf->snoop_iface[0])
+ ifname = conf->snoop_iface;
l2 = l2_packet_init(conf->bridge, NULL, ETH_P_ALL, handler, hapd, 1);
if (l2 == NULL) {
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -2357,6 +2357,8 @@ static int hostapd_config_fill(struct ho
sizeof(conf->bss[0]->iface));
} else if (os_strcmp(buf, "bridge") == 0) {
os_strlcpy(bss->bridge, pos, sizeof(bss->bridge));
+ } else if (os_strcmp(buf, "snoop_iface") == 0) {
+ os_strlcpy(bss->snoop_iface, pos, sizeof(bss->snoop_iface));
} else if (os_strcmp(buf, "vlan_bridge") == 0) {
os_strlcpy(bss->vlan_bridge, pos, sizeof(bss->vlan_bridge));
} else if (os_strcmp(buf, "wds_bridge") == 0) {