| | 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 | #include <linux/bitops.h> |
| | 19 | |
| | 20 | struct 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 | |
| | 31 | struct br_ip_list { |
| | 32 | struct list_head list; |
| | 33 | struct br_ip addr; |
| | 34 | }; |
| | 35 | |
| | 36 | #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) |
| | 46 | #define BR_LEARNING_SYNC BIT(9) |
| | 47 | #define BR_PROXYARP_WIFI BIT(10) |
| | 48 | #define BR_MCAST_FLOOD BIT(11) |
| | 49 | #define BR_MULTICAST_TO_UNICAST BIT(12) |
| | 50 | #define BR_VLAN_TUNNEL BIT(13) |
| | 51 | #define BR_BCAST_FLOOD BIT(14) |
| | 52 | #define BR_NEIGH_SUPPRESS BIT(15) |
| | 53 | |
| | 54 | #define BR_DEFAULT_AGEING_TIME (300 * HZ) |
| | 55 | |
| | 56 | extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); |
| | 57 | |
| | 58 | typedef int br_should_route_hook_t(struct sk_buff *skb); |
| | 59 | extern br_should_route_hook_t __rcu *br_should_route_hook; |
| | 60 | |
| | 61 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) |
| | 62 | int br_multicast_list_adjacent(struct net_device *dev, |
| | 63 | struct list_head *br_ip_list); |
| | 64 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
| | 65 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
| | 66 | bool br_multicast_enabled(const struct net_device *dev); |
| | 67 | bool br_multicast_router(const struct net_device *dev); |
| | 68 | #else |
| | 69 | static inline int br_multicast_list_adjacent(struct net_device *dev, |
| | 70 | struct list_head *br_ip_list) |
| | 71 | { |
| | 72 | return 0; |
| | 73 | } |
| | 74 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
| | 75 | int proto) |
| | 76 | { |
| | 77 | return false; |
| | 78 | } |
| | 79 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
| | 80 | int proto) |
| | 81 | { |
| | 82 | return false; |
| | 83 | } |
| | 84 | static inline bool br_multicast_enabled(const struct net_device *dev) |
| | 85 | { |
| | 86 | return false; |
| | 87 | } |
| | 88 | static inline bool br_multicast_router(const struct net_device *dev) |
| | 89 | { |
| | 90 | return false; |
| | 91 | } |
| | 92 | #endif |
| | 93 | |
| | 94 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) |
| | 95 | bool br_vlan_enabled(const struct net_device *dev); |
| | 96 | #else |
| | 97 | static inline bool br_vlan_enabled(const struct net_device *dev) |
| | 98 | { |
| | 99 | return false; |
| | 100 | } |
| | 101 | #endif |
| | 102 | |
| | 103 | #endif |
projects / mirror_ubuntu-bionic-kernel.git / blame_incremental