--- a/src/ap/ap_config.h +++ b/src/ap/ap_config.h @@ -284,6 +284,7 @@ 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]; int bridge_hairpin; /* hairpin_mode on bridge members */ --- a/src/ap/x_snoop.c +++ b/src/ap/x_snoop.c @@ -33,14 +33,16 @@ int x_snoop_init(struct hostapd_data *ha hapd->x_snoop_initialized = true; - if (hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_HAIRPIN_MODE, + if (!conf->snoop_iface[0] && + hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_HAIRPIN_MODE, 1)) { wpa_printf(MSG_DEBUG, "x_snoop: Failed to enable hairpin_mode on the bridge port"); return -1; } - if (hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_PROXYARP, 1)) { + if (!conf->snoop_iface[0] && + hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_PROXYARP, 1)) { wpa_printf(MSG_DEBUG, "x_snoop: Failed to enable proxyarp on the bridge port"); return -1; @@ -54,7 +56,8 @@ int x_snoop_init(struct hostapd_data *ha } #ifdef CONFIG_IPV6 - if (hostapd_drv_br_set_net_param(hapd, DRV_BR_MULTICAST_SNOOPING, 1)) { + if (!conf->snoop_iface[0] && + hostapd_drv_br_set_net_param(hapd, DRV_BR_MULTICAST_SNOOPING, 1)) { wpa_printf(MSG_DEBUG, "x_snoop: Failed to enable multicast snooping on the bridge"); return -1; @@ -73,8 +76,12 @@ 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; - l2 = l2_packet_init(conf->bridge, NULL, ETH_P_ALL, handler, hapd, 1); + if (conf->snoop_iface[0]) + ifname = conf->snoop_iface; + + l2 = l2_packet_init(ifname, NULL, ETH_P_ALL, handler, hapd, 1); if (l2 == NULL) { wpa_printf(MSG_DEBUG, "x_snoop: Failed to initialize L2 packet processing %s", --- a/hostapd/config_file.c +++ b/hostapd/config_file.c @@ -2322,6 +2322,8 @@ static int hostapd_config_fill(struct ho os_strlcpy(bss->wds_bridge, pos, sizeof(bss->wds_bridge)); } else if (os_strcmp(buf, "bridge_hairpin") == 0) { bss->bridge_hairpin = atoi(pos); + } 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) {