Linux kernel mirror (for testing)
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linux
1/*
2 * Linux ethernet bridge
3 *
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12#ifndef _LINUX_IF_BRIDGE_H
13#define _LINUX_IF_BRIDGE_H
14
15
16#include <linux/netdevice.h>
17#include <uapi/linux/if_bridge.h>
18
19struct br_ip {
20 union {
21 __be32 ip4;
22#if IS_ENABLED(CONFIG_IPV6)
23 struct in6_addr ip6;
24#endif
25 } u;
26 __be16 proto;
27 __u16 vid;
28};
29
30struct br_ip_list {
31 struct list_head list;
32 struct br_ip addr;
33};
34
35extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
36
37typedef int br_should_route_hook_t(struct sk_buff *skb);
38extern br_should_route_hook_t __rcu *br_should_route_hook;
39
40#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
41int br_multicast_list_adjacent(struct net_device *dev,
42 struct list_head *br_ip_list);
43bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
44bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
45#else
46static inline int br_multicast_list_adjacent(struct net_device *dev,
47 struct list_head *br_ip_list)
48{
49 return 0;
50}
51static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
52 int proto)
53{
54 return false;
55}
56static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
57 int proto)
58{
59 return false;
60}
61#endif
62
63#endif