summaryrefslogtreecommitdiffstats
path: root/net/batman-adv/soft-interface.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/batman-adv/soft-interface.c')
-rw-r--r--net/batman-adv/soft-interface.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index ffc83bebfe40..2e367230376b 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors:
*
* Marek Lindner, Simon Wunderlich
*
@@ -50,13 +50,13 @@
#include <linux/string.h>
#include <linux/types.h>
#include <uapi/linux/batadv_packet.h>
+#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "bridge_loop_avoidance.h"
#include "debugfs.h"
#include "distributed-arp-table.h"
#include "gateway_client.h"
-#include "gateway_common.h"
#include "hard-interface.h"
#include "multicast.h"
#include "network-coding.h"
@@ -212,6 +212,7 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
enum batadv_forw_mode forw_mode;
struct batadv_orig_node *mcast_single_orig = NULL;
int network_offset = ETH_HLEN;
+ __be16 proto;
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
@@ -225,14 +226,17 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
skb_reset_mac_header(skb);
ethhdr = eth_hdr(skb);
- switch (ntohs(ethhdr->h_proto)) {
+ proto = ethhdr->h_proto;
+
+ switch (ntohs(proto)) {
case ETH_P_8021Q:
if (!pskb_may_pull(skb, sizeof(*vhdr)))
goto dropped;
vhdr = vlan_eth_hdr(skb);
+ proto = vhdr->h_vlan_encapsulated_proto;
/* drop batman-in-batman packets to prevent loops */
- if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN)) {
+ if (proto != htons(ETH_P_BATMAN)) {
network_offset += VLAN_HLEN;
break;
}
@@ -260,6 +264,9 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb,
goto dropped;
}
+ /* Snoop address candidates from DHCPACKs for early DAT filling */
+ batadv_dat_snoop_outgoing_dhcp_ack(bat_priv, skb, proto, vid);
+
/* don't accept stp packets. STP does not help in meshes.
* better use the bridge loop avoidance ...
*