include/linux/netfilter/xt_dscp.h

   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 */