Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* Header file for iptables ipt_ECN target |
2 | * | |
3 | * (C) 2002 by Harald Welte <laforge@gnumonks.org> | |
4 | * | |
5 | * This software is distributed under GNU GPL v2, 1991 | |
6 | * | |
7 | * ipt_ECN.h,v 1.3 2002/05/29 12:17:40 laforge Exp | |
8 | */ | |
9 | #ifndef _IPT_ECN_TARGET_H | |
10 | #define _IPT_ECN_TARGET_H | |
11 | #include <linux/netfilter_ipv4/ipt_DSCP.h> | |
12 | ||
13 | #define IPT_ECN_IP_MASK (~IPT_DSCP_MASK) | |
14 | ||
15 | #define IPT_ECN_OP_SET_IP 0x01 /* set ECN bits of IPv4 header */ | |
16 | #define IPT_ECN_OP_SET_ECE 0x10 /* set ECE bit of TCP header */ | |
17 | #define IPT_ECN_OP_SET_CWR 0x20 /* set CWR bit of TCP header */ | |
18 | ||
19 | #define IPT_ECN_OP_MASK 0xce | |
20 | ||
21 | struct ipt_ECN_info { | |
22 | u_int8_t operation; /* bitset of operations */ | |
23 | u_int8_t ip_ect; /* ECT codepoint of IPv4 header, pre-shifted */ | |
24 | union { | |
25 | struct { | |
26 | u_int8_t ece:1, cwr:1; /* TCP ECT bits */ | |
27 | } tcp; | |
28 | } proto; | |
29 | }; | |
30 | ||
31 | #endif /* _IPT_ECN_TARGET_H */ |