2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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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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#include <uapi/linux/if_bridge.h>
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#include <linux/bitops.h>
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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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#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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#define BR_LEARNING_SYNC BIT(9)
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#define BR_PROXYARP_WIFI BIT(10)
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#define BR_MCAST_FLOOD BIT(11)
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#define BR_MULTICAST_TO_UNICAST BIT(12)
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#define BR_VLAN_TUNNEL BIT(13)
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#define BR_BCAST_FLOOD BIT(14)
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#define BR_NEIGH_SUPPRESS BIT(15)
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#define BR_ISOLATED BIT(16)
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#define BR_DEFAULT_AGEING_TIME (300 * HZ)
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extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
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#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
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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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bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
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bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
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bool br_multicast_enabled(const struct net_device *dev);
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bool br_multicast_router(const struct net_device *dev);
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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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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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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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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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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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#endif
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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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int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
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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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#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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static inline int br_vlan_get_pvid(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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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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return -EINVAL;
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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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void br_fdb_clear_offload(const struct net_device *dev, u16 vid);
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bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag);
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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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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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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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#endif
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#endif
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