1 /* x_tables module for matching the IPv4/IPv6 DSCP field 2 * 3 * (C) 2002 Harald Welte <laforge@gnumonks.org> 4 * This software is distributed under GNU GPL v2, 1991 5 * 6 * See RFC2474 for a description of the DSCP field within the IP Header. 7 * 8 * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp 9 */ 10 #ifndef _XT_DSCP_H 11 #define _XT_DSCP_H 12 13 #include <linux/types.h> 14 15 #define XT_DSCP_MASK 0xfc /* 11111100 */ 16 #define XT_DSCP_SHIFT 2 17 #define XT_DSCP_MAX 0x3f /* 00111111 */ 18 19 /* match info */ 20 struct xt_dscp_info { 21 __u8 dscp; 22 __u8 invert; 23 }; 24 25 struct xt_tos_match_info { 26 __u8 tos_mask; 27 __u8 tos_value; 28 __u8 invert; 29 }; 30 31 #endif /* _XT_DSCP_H */ 32