include/linux/netfilter_ipv4/ipt_dscp.h

   1 /* iptables module for matching the IPv4 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  * ipt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp
   9 */
  10 #ifndef _IPT_DSCP_H
  11 #define _IPT_DSCP_H
  12
  13 #define IPT_DSCP_MASK   0xfc    /* 11111100 */
  14 #define IPT_DSCP_SHIFT  2
  15 #define IPT_DSCP_MAX    0x3f    /* 00111111 */
  16
  17 /* match info */
  18 struct ipt_dscp_info {
  19         u_int8_t dscp;
  20         u_int8_t invert;
  21 };
  22
  23 #endif /* _IPT_DSCP_H */