diff options
Diffstat (limited to 'kernel/include/linux/if_bridge.h')
| -rw-r--r-- | kernel/include/linux/if_bridge.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/kernel/include/linux/if_bridge.h b/kernel/include/linux/if_bridge.h new file mode 100644 index 000000000..dad8b00be --- /dev/null +++ b/kernel/include/linux/if_bridge.h @@ -0,0 +1,77 @@ +/* + * Linux ethernet bridge + * + * Authors: + * Lennert Buytenhek <buytenh@gnu.org> + * + * 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. + */ +#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) + +extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); + +typedef int br_should_route_hook_t(struct sk_buff *skb); +extern br_should_route_hook_t __rcu *br_should_route_hook; + +#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); +#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; +} +#endif + +#endif |