root/include/uapi/linux/netfilter/xt_dscp.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /* x_tables module for matching the IPv4/IPv6 DSCP field
   3  *
   4  * (C) 2002 Harald Welte <laforge@gnumonks.org>
   5  * This software is distributed under GNU GPL v2, 1991
   6  *
   7  * See RFC2474 for a description of the DSCP field within the IP Header.
   8  *
   9  * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp
  10 */
  11 #ifndef _XT_DSCP_H
  12 #define _XT_DSCP_H
  13 
  14 #include <linux/types.h>
  15 
  16 #define XT_DSCP_MASK    0xfc    /* 11111100 */
  17 #define XT_DSCP_SHIFT   2
  18 #define XT_DSCP_MAX     0x3f    /* 00111111 */
  19 
  20 /* match info */
  21 struct xt_dscp_info {
  22         __u8 dscp;
  23         __u8 invert;
  24 };
  25 
  26 struct xt_tos_match_info {
  27         __u8 tos_mask;
  28         __u8 tos_value;
  29         __u8 invert;
  30 };
  31 
  32 #endif /* _XT_DSCP_H */

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