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/* * 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) #define BR_MCAST_FLOOD BIT(11) #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 |