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
5 /* bridge-specific defines for netfilter.
9 #include <linux/netfilter.h>
10 #include <linux/if_ether.h>
11 #include <linux/if_vlan.h>
12 #include <linux/if_pppox.h>
15 #include <limits.h> /* for INT_MIN, INT_MAX */
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
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,
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,
44 #endif /* _UAPI__LINUX_BRIDGE_NETFILTER_H */