/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __LINUX_BRIDGE_NETFILTER_H #define __LINUX_BRIDGE_NETFILTER_H /* bridge-specific defines for netfilter. */ #include <linux/in.h> #include <linux/netfilter.h> #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/if_pppox.h> #include <limits.h> /* for INT_MIN, INT_MAX */ /* Bridge Hooks */ /* After promisc drops, checksum checks. */ #define NF_BR_PRE_ROUTING 0 /* If the packet is destined for this box. */ #define NF_BR_LOCAL_IN 1 /* If the packet is destined for another interface. */ #define NF_BR_FORWARD 2 /* Packets coming from a local process. */ #define NF_BR_LOCAL_OUT 3 /* Packets about to hit the wire. */ #define NF_BR_POST_ROUTING 4 /* Not really a hook, but used for the ebtables broute table */ #define NF_BR_BROUTING 5 #define NF_BR_NUMHOOKS 6 enum nf_br_hook_priorities { NF_BR_PRI_FIRST = INT_MIN, NF_BR_PRI_NAT_DST_BRIDGED = -300, NF_BR_PRI_FILTER_BRIDGED = -200, NF_BR_PRI_BRNF = 0, NF_BR_PRI_NAT_DST_OTHER = 100, NF_BR_PRI_FILTER_OTHER = 200, NF_BR_PRI_NAT_SRC = 300, NF_BR_PRI_LAST = INT_MAX, }; #endif /* __LINUX_BRIDGE_NETFILTER_H */