138 lines
3.4 KiB
C
138 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Linux ethernet bridge
|
|
*
|
|
* Authors:
|
|
* Lennert Buytenhek <buytenh@gnu.org>
|
|
*/
|
|
#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_MULTICAST_TO_UNICAST BIT(12)
|
|
#define BR_VLAN_TUNNEL BIT(13)
|
|
#define BR_BCAST_FLOOD BIT(14)
|
|
#define BR_NEIGH_SUPPRESS BIT(15)
|
|
#define BR_ISOLATED BIT(16)
|
|
|
|
#define BR_DEFAULT_AGEING_TIME (300 * HZ)
|
|
|
|
extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
|
|
|
|
#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);
|
|
bool br_multicast_enabled(const struct net_device *dev);
|
|
bool br_multicast_router(const struct net_device *dev);
|
|
#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;
|
|
}
|
|
static inline bool br_multicast_enabled(const struct net_device *dev)
|
|
{
|
|
return false;
|
|
}
|
|
static inline bool br_multicast_router(const struct net_device *dev)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
|
|
bool br_vlan_enabled(const struct net_device *dev);
|
|
int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
|
|
int br_vlan_get_info(const struct net_device *dev, u16 vid,
|
|
struct bridge_vlan_info *p_vinfo);
|
|
#else
|
|
static inline bool br_vlan_enabled(const struct net_device *dev)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline int br_vlan_get_info(const struct net_device *dev, u16 vid,
|
|
struct bridge_vlan_info *p_vinfo)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_BRIDGE)
|
|
struct net_device *br_fdb_find_port(const struct net_device *br_dev,
|
|
const unsigned char *addr,
|
|
__u16 vid);
|
|
void br_fdb_clear_offload(const struct net_device *dev, u16 vid);
|
|
bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag);
|
|
#else
|
|
static inline struct net_device *
|
|
br_fdb_find_port(const struct net_device *br_dev,
|
|
const unsigned char *addr,
|
|
__u16 vid)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid)
|
|
{
|
|
}
|
|
|
|
static inline bool
|
|
br_port_flag_is_set(const struct net_device *dev, unsigned long flag)
|
|
{
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
#endif
|