84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
|
|
* Linux ethernet bridge
|
|
*
|
|
* Authors:
|
|
* Lennert Buytenhek <buytenh@gnu.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
#ifndef _LINUX_IF_BRIDGE_H
|
|
#define _LINUX_IF_BRIDGE_H
|
|
|
|
|
|
#include <linux/netdevice.h>
|
|
#include <uapi/linux/if_bridge.h>
|
|
#include <linux/bitops.h>
|
|
|
|
struct br_ip {
|
|
union {
|
|
__be32 ip4;
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
struct in6_addr ip6;
|
|
#endif
|
|
} u;
|
|
__be16 proto;
|
|
__u16 vid;
|
|
};
|
|
|
|
struct br_ip_list {
|
|
struct list_head list;
|
|
struct br_ip addr;
|
|
};
|
|
|
|
#define BR_HAIRPIN_MODE BIT(0)
|
|
#define BR_BPDU_GUARD BIT(1)
|
|
#define BR_ROOT_BLOCK BIT(2)
|
|
#define BR_MULTICAST_FAST_LEAVE BIT(3)
|
|
#define BR_ADMIN_COST BIT(4)
|
|
#define BR_LEARNING BIT(5)
|
|
#define BR_FLOOD BIT(6)
|
|
#define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
|
|
#define BR_PROMISC BIT(7)
|
|
#define BR_PROXYARP BIT(8)
|
|
#define BR_LEARNING_SYNC BIT(9)
|
|
#define BR_PROXYARP_WIFI BIT(10)
|
|
|
|
/* values as per ieee8021QBridgeFdbAgingTime */
|
|
#define BR_MIN_AGEING_TIME (10 * HZ)
|
|
#define BR_MAX_AGEING_TIME (1000000 * HZ)
|
|
|
|
#define BR_DEFAULT_AGEING_TIME (300 * HZ)
|
|
|
|
extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
|
|
|
|
typedef int br_should_route_hook_t(struct sk_buff *skb);
|
|
extern br_should_route_hook_t __rcu *br_should_route_hook;
|
|
|
|
#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
|
|
int br_multicast_list_adjacent(struct net_device *dev,
|
|
struct list_head *br_ip_list);
|
|
bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
|
|
bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
|
|
#else
|
|
static inline int br_multicast_list_adjacent(struct net_device *dev,
|
|
struct list_head *br_ip_list)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
|
|
int proto)
|
|
{
|
|
return false;
|
|
}
|
|
static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
|
|
int proto)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#endif
|