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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Linux ethernet bridge
3 *
4 * Authors:
5 * Lennert Buytenhek <buytenh@gnu.org>
6 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * 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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#ifndef _LINUX_IF_BRIDGE_H
13#define _LINUX_IF_BRIDGE_H
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015
16#include <linux/netdevice.h>
David Howells607ca462012-10-13 10:46:48 +010017#include <uapi/linux/if_bridge.h>
Scott Feldman065c2122014-11-28 14:34:22 +010018#include <linux/bitops.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019
Linus Lüssing07f8ac42014-06-07 18:26:28 +020020struct br_ip {
21 union {
22 __be32 ip4;
23#if IS_ENABLED(CONFIG_IPV6)
24 struct in6_addr ip6;
25#endif
26 } u;
27 __be16 proto;
28 __u16 vid;
29};
30
31struct br_ip_list {
32 struct list_head list;
33 struct br_ip addr;
34};
35
Scott Feldman065c2122014-11-28 14:34:22 +010036#define BR_HAIRPIN_MODE BIT(0)
37#define BR_BPDU_GUARD BIT(1)
38#define BR_ROOT_BLOCK BIT(2)
39#define BR_MULTICAST_FAST_LEAVE BIT(3)
40#define BR_ADMIN_COST BIT(4)
41#define BR_LEARNING BIT(5)
42#define BR_FLOOD BIT(6)
43#define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
44#define BR_PROMISC BIT(7)
45#define BR_PROXYARP BIT(8)
Scott Feldmanefacacd2014-11-28 14:34:23 +010046#define BR_LEARNING_SYNC BIT(9)
Jouni Malinen842a9ae2015-03-04 12:54:21 +020047#define BR_PROXYARP_WIFI BIT(10)
Scott Feldman065c2122014-11-28 14:34:22 +010048
Scott Feldmana79e88d2015-09-23 08:39:16 -070049/* values as per ieee8021QBridgeFdbAgingTime */
50#define BR_MIN_AGEING_TIME (10 * HZ)
51#define BR_MAX_AGEING_TIME (1000000 * HZ)
52
53#define BR_DEFAULT_AGEING_TIME (300 * HZ)
54
Eric W. Biederman881d9662007-09-17 11:56:21 -070055extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
Eric Dumazeta386f992010-11-15 06:38:11 +000056
Florian Westphal2f46e072011-01-11 23:55:51 +010057typedef int br_should_route_hook_t(struct sk_buff *skb);
Eric Dumazeta386f992010-11-15 06:38:11 +000058extern br_should_route_hook_t __rcu *br_should_route_hook;
Linus Lüssingf941a6d2014-07-07 05:41:16 +020059
60#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
Linus Lüssing07f8ac42014-06-07 18:26:28 +020061int br_multicast_list_adjacent(struct net_device *dev,
62 struct list_head *br_ip_list);
Linus Lüssingc34963e2014-07-07 05:41:17 +020063bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
Linus Lüssing2cd41432014-06-07 18:26:29 +020064bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
Linus Lüssingf941a6d2014-07-07 05:41:16 +020065#else
66static inline int br_multicast_list_adjacent(struct net_device *dev,
67 struct list_head *br_ip_list)
68{
69 return 0;
70}
Linus Lüssingc34963e2014-07-07 05:41:17 +020071static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
72 int proto)
73{
74 return false;
75}
Linus Lüssingf941a6d2014-07-07 05:41:16 +020076static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
77 int proto)
78{
79 return false;
80}
81#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83#endif