| /* iptables module for matching the ECN header in IPv4 and TCP header |
| * |
| * (C) 2002 Harald Welte <laforge@netfilter.org> |
| * |
| * This software is distributed under GNU GPL v2, 1991 |
| */ |
| #ifndef _XT_ECN_H |
| #define _XT_ECN_H |
| |
| #include <linux/types.h> |
| #include <linux/netfilter/xt_dscp.h> |
| |
| #define XT_ECN_IP_MASK (~XT_DSCP_MASK) |
| |
| #define XT_ECN_OP_MATCH_IP 0x01 |
| #define XT_ECN_OP_MATCH_ECE 0x10 |
| #define XT_ECN_OP_MATCH_CWR 0x20 |
| |
| #define XT_ECN_OP_MATCH_MASK 0xce |
| |
| /* match info */ |
| struct xt_ecn_info { |
| __u8 operation; |
| __u8 invert; |
| __u8 ip_ect; |
| union { |
| struct { |
| __u8 ect; |
| } tcp; |
| } proto; |
| }; |
| |
| #endif /* _XT_ECN_H */ |
