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 | |