ipt_ECN.h
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- /* 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/netfilter_ipv4/ipt_DSCP.h>
- #define IPT_ECN_IP_MASK (~IPT_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 {
- u_int8_t operation; /* bitset of operations */
- u_int8_t ip_ect; /* ECT codepoint of IPv4 header, pre-shifted */
- union {
- struct {
- u_int8_t ece:1, cwr:1; /* TCP ECT bits */
- } tcp;
- } proto;
- };
- #endif /* _IPT_ECN_TARGET_H */