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 #ifndef __KERNEL__ 9 #include <netinet/if_ether.h> /* for __UAPI_DEF_ETHHDR if defined */ 10 #endif 11 12 #include <linux/in.h> 13 #include <linux/netfilter.h> 14 #include <linux/if_ether.h> 15 #include <linux/if_vlan.h> 16 #include <linux/if_pppox.h> 17 #include <linux/typelimits.h> 18 19 /* Bridge Hooks */ 20 /* After promisc drops, checksum checks. */ 21 #define NF_BR_PRE_ROUTING 0 22 /* If the packet is destined for this box. */ 23 #define NF_BR_LOCAL_IN 1 24 /* If the packet is destined for another interface. */ 25 #define NF_BR_FORWARD 2 26 /* Packets coming from a local process. */ 27 #define NF_BR_LOCAL_OUT 3 28 /* Packets about to hit the wire. */ 29 #define NF_BR_POST_ROUTING 4 30 /* Not really a hook, but used for the ebtables broute table */ 31 #define NF_BR_BROUTING 5 32 #define NF_BR_NUMHOOKS 6 33 34 enum nf_br_hook_priorities { 35 NF_BR_PRI_FIRST = __KERNEL_INT_MIN, 36 NF_BR_PRI_NAT_DST_BRIDGED = -300, 37 NF_BR_PRI_FILTER_BRIDGED = -200, 38 NF_BR_PRI_BRNF = 0, 39 NF_BR_PRI_NAT_DST_OTHER = 100, 40 NF_BR_PRI_FILTER_OTHER = 200, 41 NF_BR_PRI_NAT_SRC = 300, 42 NF_BR_PRI_LAST = __KERNEL_INT_MAX, 43 }; 44 45 #endif /* _UAPI__LINUX_BRIDGE_NETFILTER_H */ 46