Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* iptables module for matching the ECN header in IPv4 and TCP header |
| 2 | * |
| 3 | * (C) 2002 Harald Welte <laforge@gnumonks.org> |
| 4 | * |
| 5 | * This software is distributed under GNU GPL v2, 1991 |
| 6 | * |
| 7 | * ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp |
| 8 | */ |
| 9 | #ifndef _IPT_ECN_H |
| 10 | #define _IPT_ECN_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_MATCH_IP 0x01 |
| 16 | #define IPT_ECN_OP_MATCH_ECE 0x10 |
| 17 | #define IPT_ECN_OP_MATCH_CWR 0x20 |
| 18 | |
| 19 | #define IPT_ECN_OP_MATCH_MASK 0xce |
| 20 | |
| 21 | /* match info */ |
| 22 | struct ipt_ecn_info { |
| 23 | u_int8_t operation; |
| 24 | u_int8_t invert; |
| 25 | u_int8_t ip_ect; |
| 26 | union { |
| 27 | struct { |
| 28 | u_int8_t ect; |
| 29 | } tcp; |
| 30 | } proto; |
| 31 | }; |
| 32 | |
| 33 | #endif /* _IPT_ECN_H */ |