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hostapd: fix applying gratuitous ARP settings with bridge-vlan

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The arp_accept setting needs to be applied to the snoop_iface

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2023-09-12 12:57:52 +02:00
parent 42fda2f64e
commit 36a9f8449c
1 changed files with 79 additions and 6 deletions
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85
package/network/services/hostapd/patches/740-snoop_iface.patch
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@ -10,7 +10,7 @@
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
@@ -33,28 +33,31 @@ int x_snoop_init(struct hostapd_data *ha
hapd->x_snoop_initialized = true;
@ -29,13 +29,20 @@
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
}
if (hostapd_drv_br_set_net_param(hapd, DRV_BR_NET_PARAM_GARP_ACCEPT,
- 1)) {
+ conf->snoop_iface[0] ? conf->snoop_iface : NULL, 1)) {
wpa_printf(MSG_DEBUG,
"x_snoop: Failed to enable accepting gratuitous ARP on the bridge");
return -1;
}
#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)) {
+ hostapd_drv_br_set_net_param(hapd, DRV_BR_MULTICAST_SNOOPING, NULL, 1)) {
wpa_printf(MSG_DEBUG,
"x_snoop: Failed to enable multicast snooping on the bridge");
return -1;
@ -44,15 +51,29 @@
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(conf->bridge, NULL, ETH_P_ALL, handler, hapd, 1);
+ 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",
@@ -127,9 +134,12 @@ void x_snoop_mcast_to_ucast_convert_send
void x_snoop_deinit(struct hostapd_data *hapd)
{
+ struct hostapd_bss_config *conf = hapd->conf;
+
if (!hapd->x_snoop_initialized)
return;
- hostapd_drv_br_set_net_param(hapd, DRV_BR_NET_PARAM_GARP_ACCEPT, 0);
+ hostapd_drv_br_set_net_param(hapd, DRV_BR_NET_PARAM_GARP_ACCEPT,
+ conf->snoop_iface[0] ? conf->snoop_iface : NULL, 0);
hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_PROXYARP, 0);
hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_HAIRPIN_MODE, 0);
hapd->x_snoop_initialized = false;
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -2322,6 +2322,8 @@ static int hostapd_config_fill(struct ho
@ -64,3 +85,55 @@
} 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) {
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -366,12 +366,12 @@ static inline int hostapd_drv_br_port_se
static inline int hostapd_drv_br_set_net_param(struct hostapd_data *hapd,
enum drv_br_net_param param,
- unsigned int val)
+ const char *ifname, unsigned int val)
{
if (hapd->driver == NULL || hapd->drv_priv == NULL ||
hapd->driver->br_set_net_param == NULL)
return -1;
- return hapd->driver->br_set_net_param(hapd->drv_priv, param, val);
+ return hapd->driver->br_set_net_param(hapd->drv_priv, param, ifname, val);
}
static inline int hostapd_drv_vendor_cmd(struct hostapd_data *hapd,
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -4206,7 +4206,7 @@ struct wpa_driver_ops {
* Returns: 0 on success, negative (<0) on failure
*/
int (*br_set_net_param)(void *priv, enum drv_br_net_param param,
- unsigned int val);
+ const char *ifname, unsigned int val);
/**
* get_wowlan - Get wake-on-wireless status
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -12127,7 +12127,7 @@ static const char * drv_br_net_param_str
static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
- unsigned int val)
+ const char *ifname, unsigned int val)
{
struct i802_bss *bss = priv;
char path[128];
@@ -12153,8 +12153,11 @@ static int wpa_driver_br_set_net_param(v
return -EINVAL;
}
+ if (!ifname)
+ ifname = bss->brname;
+
os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
- ip_version, bss->brname, param_txt);
+ ip_version, ifname, param_txt);
set_val:
if (linux_write_system_file(path, val))