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213 lines
5.4 KiB
213 lines
5.4 KiB
/* 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 <[email protected]> |
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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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} src; |
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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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unsigned char mac_addr[ETH_ALEN]; |
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} dst; |
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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_MRP_AWARE BIT(17) |
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#define BR_MRP_LOST_CONT BIT(18) |
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#define BR_MRP_LOST_IN_CONT BIT(19) |
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#define BR_TX_FWD_OFFLOAD BIT(20) |
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#define BR_PORT_LOCKED BIT(21) |
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#define BR_DEFAULT_AGEING_TIME (300 * HZ) |
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struct net_bridge; |
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void brioctl_set(int (*hook)(struct net *net, struct net_bridge *br, |
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unsigned int cmd, struct ifreq *ifr, |
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void __user *uarg)); |
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int br_ioctl_call(struct net *net, struct net_bridge *br, unsigned int cmd, |
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struct ifreq *ifr, void __user *uarg); |
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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_has_router_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_has_router_adjacent(struct net_device *dev, |
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int proto) |
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{ |
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return true; |
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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_pvid_rcu(const struct net_device *dev, u16 *p_pvid); |
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int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto); |
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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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int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid, |
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struct bridge_vlan_info *p_vinfo); |
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bool br_mst_enabled(const struct net_device *dev); |
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int br_mst_get_info(const struct net_device *dev, u16 msti, unsigned long *vids); |
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int br_mst_get_state(const struct net_device *dev, u16 msti, u8 *state); |
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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_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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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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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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static inline int br_vlan_get_info_rcu(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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static inline bool br_mst_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_mst_get_info(const struct net_device *dev, u16 msti, |
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unsigned long *vids) |
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{ |
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return -EINVAL; |
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} |
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static inline int br_mst_get_state(const struct net_device *dev, u16 msti, |
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u8 *state) |
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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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u8 br_port_get_stp_state(const struct net_device *dev); |
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clock_t br_get_ageing_time(const struct net_device *br_dev); |
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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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static inline u8 br_port_get_stp_state(const struct net_device *dev) |
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{ |
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return BR_STATE_DISABLED; |
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} |
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static inline clock_t br_get_ageing_time(const struct net_device *br_dev) |
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{ |
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return 0; |
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} |
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#endif |
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#endif
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