| /* Header file for iptables ipt_ECN target |
| * |
| * (C) 2002 by Harald Welte <laforge@gnumonks.org> |
| * |
| * This software is distributed under GNU GPL v2, 1991 |
| * |
| * ipt_ECN.h,v 1.3 2002/05/29 12:17:40 laforge Exp |
| */ |
| #ifndef _IPT_ECN_TARGET_H |
| #define _IPT_ECN_TARGET_H |
| |
| #include <linux/types.h> |
| #include <linux/netfilter/xt_DSCP.h> |
| |
| #define IPT_ECN_IP_MASK (~XT_DSCP_MASK) |
| |
| #define IPT_ECN_OP_SET_IP 0x01 /* set ECN bits of IPv4 header */ |
| #define IPT_ECN_OP_SET_ECE 0x10 /* set ECE bit of TCP header */ |
| #define IPT_ECN_OP_SET_CWR 0x20 /* set CWR bit of TCP header */ |
| |
| #define IPT_ECN_OP_MASK 0xce |
| |
| struct ipt_ECN_info { |
| __u8 operation; /* bitset of operations */ |
| __u8 ip_ect; /* ECT codepoint of IPv4 header, pre-shifted */ |
| union { |
| struct { |
| __u8 ece:1, cwr:1; /* TCP ECT bits */ |
| } tcp; |
| } proto; |
| }; |
| |
| #endif /* _IPT_ECN_TARGET_H */ |
