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 #ifndef __KERNEL__ 15 #include <limits.h> /* for INT_MIN, INT_MAX */ 16 #endif 17 18 /* Bridge Hooks */ 19 /* After promisc drops, checksum checks. */ 20 #define NF_BR_PRE_ROUTING 0 21 /* If the packet is destined for this box. */ 22 #define NF_BR_LOCAL_IN 1 23 /* If the packet is destined for another interface. */ 24 #define NF_BR_FORWARD 2 25 /* Packets coming from a local process. */ 26 #define NF_BR_LOCAL_OUT 3 27 /* Packets about to hit the wire. */ 28 #define NF_BR_POST_ROUTING 4 29 /* Not really a hook, but used for the ebtables broute table */ 30 #define NF_BR_BROUTING 5 31 #define NF_BR_NUMHOOKS 6 32 33 enum nf_br_hook_priorities { 34 NF_BR_PRI_FIRST = INT_MIN, 35 NF_BR_PRI_NAT_DST_BRIDGED = -300, 36 NF_BR_PRI_FILTER_BRIDGED = -200, 37 NF_BR_PRI_BRNF = 0, 38 NF_BR_PRI_NAT_DST_OTHER = 100, 39 NF_BR_PRI_FILTER_OTHER = 200, 40 NF_BR_PRI_NAT_SRC = 300, 41 NF_BR_PRI_LAST = INT_MAX, 42 }; 43 44 #endif /* _UAPI__LINUX_BRIDGE_NETFILTER_H */ 45