1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI__LINUX_BRIDGE_NETFILTER_H 3 #define _UAPI__LINUX_BRIDGE_NETFILTER_H 4 5 /* bridge-specific defines for netfilter. 6 */ 7 8 #include <linux/in.h> 9 #include <linux/netfilter.h> 10 #include <linux/if_ether.h> 11 #include <linux/if_vlan.h> 12 #include <linux/if_pppox.h> 13 14 /* Bridge Hooks */ 15 /* After promisc drops, checksum checks. */ 16 #define NF_BR_PRE_ROUTING 0 17 /* If the packet is destined for this box. */ 18 #define NF_BR_LOCAL_IN 1 19 /* If the packet is destined for another interface. */ 20 #define NF_BR_FORWARD 2 21 /* Packets coming from a local process. */ 22 #define NF_BR_LOCAL_OUT 3 23 /* Packets about to hit the wire. */ 24 #define NF_BR_POST_ROUTING 4 25 /* Not really a hook, but used for the ebtables broute table */ 26 #define NF_BR_BROUTING 5 27 #define NF_BR_NUMHOOKS 6 28 29 enum nf_br_hook_priorities { 30 NF_BR_PRI_FIRST = INT_MIN, 31 NF_BR_PRI_NAT_DST_BRIDGED = -300, 32 NF_BR_PRI_FILTER_BRIDGED = -200, 33 NF_BR_PRI_BRNF = 0, 34 NF_BR_PRI_NAT_DST_OTHER = 100, 35 NF_BR_PRI_FILTER_OTHER = 200, 36 NF_BR_PRI_NAT_SRC = 300, 37 NF_BR_PRI_LAST = INT_MAX, 38 }; 39 40 #endif /* _UAPI__LINUX_BRIDGE_NETFILTER_H */ 41