| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | /* x_tables module for matching the IPv4/IPv6 DSCP field |
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| 3 | * |
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| 4 | * (C) 2002 Harald Welte <laforge@gnumonks.org> |
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| 5 | * This software is distributed under GNU GPL v2, 1991 |
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| 6 | * |
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| 7 | * See RFC2474 for a description of the DSCP field within the IP Header. |
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| 8 | * |
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| 9 | * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp |
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| 10 | */ |
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| 11 | #ifndef _XT_DSCP_H |
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| 12 | #define _XT_DSCP_H |
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| 13 | |
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| 14 | #include <linux/types.h> |
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| 15 | |
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| 16 | #define XT_DSCP_MASK 0xfc /* 11111100 */ |
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| 17 | #define XT_DSCP_SHIFT 2 |
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| 18 | #define XT_DSCP_MAX 0x3f /* 00111111 */ |
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| 19 | |
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| 20 | /* match info */ |
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| 21 | struct xt_dscp_info { |
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| 22 | __u8 dscp; |
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| 23 | __u8 invert; |
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| 24 | }; |
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| 25 | |
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| 26 | struct xt_tos_match_info { |
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| 27 | __u8 tos_mask; |
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| 28 | __u8 tos_value; |
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| 29 | __u8 invert; |
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| 30 | }; |
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| 31 | |
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| 32 | #endif /* _XT_DSCP_H */ |
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| 33 | |
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