2019-05-27 14:55:01 +08:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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2005-04-17 06:20:36 +08:00
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/*
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* Linux ethernet bridge
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*
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* Authors:
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* Lennert Buytenhek <buytenh@gnu.org>
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*/
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#ifndef _LINUX_IF_BRIDGE_H
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#define _LINUX_IF_BRIDGE_H
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#include <linux/netdevice.h>
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2012-10-13 17:46:48 +08:00
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#include <uapi/linux/if_bridge.h>
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2014-11-28 21:34:22 +08:00
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#include <linux/bitops.h>
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2005-04-17 06:20:36 +08:00
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2014-06-08 00:26:28 +08:00
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struct br_ip {
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union {
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__be32 ip4;
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#if IS_ENABLED(CONFIG_IPV6)
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struct in6_addr ip6;
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#endif
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} u;
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__be16 proto;
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__u16 vid;
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};
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struct br_ip_list {
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struct list_head list;
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struct br_ip addr;
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};
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2014-11-28 21:34:22 +08:00
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#define BR_HAIRPIN_MODE BIT(0)
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#define BR_BPDU_GUARD BIT(1)
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#define BR_ROOT_BLOCK BIT(2)
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#define BR_MULTICAST_FAST_LEAVE BIT(3)
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#define BR_ADMIN_COST BIT(4)
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#define BR_LEARNING BIT(5)
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#define BR_FLOOD BIT(6)
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#define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
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#define BR_PROMISC BIT(7)
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#define BR_PROXYARP BIT(8)
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2014-11-28 21:34:23 +08:00
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#define BR_LEARNING_SYNC BIT(9)
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2015-03-04 18:54:21 +08:00
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#define BR_PROXYARP_WIFI BIT(10)
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2016-08-31 21:36:52 +08:00
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#define BR_MCAST_FLOOD BIT(11)
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2017-01-22 04:01:32 +08:00
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#define BR_MULTICAST_TO_UNICAST BIT(12)
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2017-02-01 14:59:53 +08:00
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#define BR_VLAN_TUNNEL BIT(13)
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2017-04-26 21:48:09 +08:00
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#define BR_BCAST_FLOOD BIT(14)
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2017-10-07 13:12:37 +08:00
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#define BR_NEIGH_SUPPRESS BIT(15)
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2018-05-24 16:56:48 +08:00
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#define BR_ISOLATED BIT(16)
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2020-04-26 21:22:00 +08:00
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#define BR_MRP_AWARE BIT(17)
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#define BR_MRP_LOST_CONT BIT(18)
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2014-11-28 21:34:22 +08:00
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2015-09-23 23:39:16 +08:00
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#define BR_DEFAULT_AGEING_TIME (300 * HZ)
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2007-09-18 02:56:21 +08:00
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extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
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2010-11-15 14:38:11 +08:00
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2014-07-07 11:41:16 +08:00
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#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
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2014-06-08 00:26:28 +08:00
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int br_multicast_list_adjacent(struct net_device *dev,
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struct list_head *br_ip_list);
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2014-07-07 11:41:17 +08:00
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bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
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2014-06-08 00:26:29 +08:00
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bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
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2017-05-26 14:37:24 +08:00
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bool br_multicast_enabled(const struct net_device *dev);
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2017-10-09 17:15:32 +08:00
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bool br_multicast_router(const struct net_device *dev);
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2014-07-07 11:41:16 +08:00
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#else
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static inline int br_multicast_list_adjacent(struct net_device *dev,
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struct list_head *br_ip_list)
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{
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return 0;
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}
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2014-07-07 11:41:17 +08:00
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static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
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int proto)
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{
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return false;
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}
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2014-07-07 11:41:16 +08:00
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static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
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int proto)
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{
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return false;
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}
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2017-05-26 14:37:24 +08:00
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static inline bool br_multicast_enabled(const struct net_device *dev)
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{
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return false;
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}
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2017-10-09 17:15:32 +08:00
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static inline bool br_multicast_router(const struct net_device *dev)
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{
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return false;
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}
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2014-07-07 11:41:16 +08:00
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#endif
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2005-04-17 06:20:36 +08:00
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2017-05-26 14:37:23 +08:00
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#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
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bool br_vlan_enabled(const struct net_device *dev);
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2018-04-29 15:56:08 +08:00
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int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
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2019-07-05 21:16:34 +08:00
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int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid);
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2019-07-05 21:16:36 +08:00
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int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto);
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2018-04-29 15:56:08 +08:00
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int br_vlan_get_info(const struct net_device *dev, u16 vid,
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struct bridge_vlan_info *p_vinfo);
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2017-05-26 14:37:23 +08:00
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#else
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static inline bool br_vlan_enabled(const struct net_device *dev)
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{
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return false;
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}
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2018-04-29 15:56:08 +08:00
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static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid)
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{
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2018-07-06 20:44:02 +08:00
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return -EINVAL;
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2018-04-29 15:56:08 +08:00
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}
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2019-07-05 21:16:36 +08:00
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static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto)
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{
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return -EINVAL;
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}
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2019-07-05 21:16:34 +08:00
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static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid)
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{
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return -EINVAL;
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}
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2018-04-29 15:56:08 +08:00
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static inline int br_vlan_get_info(const struct net_device *dev, u16 vid,
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struct bridge_vlan_info *p_vinfo)
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{
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2018-07-06 20:44:02 +08:00
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return -EINVAL;
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2018-04-29 15:56:08 +08:00
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}
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#endif
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#if IS_ENABLED(CONFIG_BRIDGE)
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struct net_device *br_fdb_find_port(const struct net_device *br_dev,
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const unsigned char *addr,
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__u16 vid);
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2018-12-08 03:55:07 +08:00
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void br_fdb_clear_offload(const struct net_device *dev, u16 vid);
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2018-11-21 16:02:41 +08:00
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bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag);
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2018-04-29 15:56:08 +08:00
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#else
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static inline struct net_device *
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br_fdb_find_port(const struct net_device *br_dev,
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const unsigned char *addr,
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__u16 vid)
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{
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return NULL;
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}
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2018-12-08 03:55:07 +08:00
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static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid)
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{
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}
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2018-11-21 16:02:41 +08:00
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static inline bool
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br_port_flag_is_set(const struct net_device *dev, unsigned long flag)
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{
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return false;
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}
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2017-05-26 14:37:23 +08:00
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#endif
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2005-04-17 06:20:36 +08:00
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#endif
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