/* iptables module for matching the IPv4 DSCP field * * (C) 2002 Harald Welte * This software is distributed under GNU GPL v2, 1991 * * See RFC2474 for a description of the DSCP field within the IP Header. * * Id: ipt_dscp.h,v 1.1 2002/03/14 12:03:13 laforge Exp */ #ifndef _IPT_DSCP_H #define _IPT_DSCP_H #define IPT_DSCP_MASK 0xfc /* 11111100 */ #define IPT_DSCP_SHIFT 2 /* shift DSCP two bits for ECN */ #define IPT_DSCP_MAX 0x3f /* 00111111 */ /* match info */ struct ipt_dscp_info { u_int8_t dscp; u_int8_t invert; }; #endif /* _IPT_DSCP_H */