root/include/linux/if_bridge.h

INCLUDED FROM

DEFINITIONS

1. br_multicast_list_adjacent
2. br_multicast_has_querier_anywhere
3. br_multicast_has_querier_adjacent

/*
 *      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>

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;
};

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