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Define IPTOS_CLASS_* macros according to RFC 2474

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Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Khem Raj
2014-08-25 16:58:12 -07:00
committed by Bernhard Reutner-Fischer
parent 86869a8620
commit a15c934313
1 changed files with 30 additions and 12 deletions
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42
include/netinet/ip.h
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@@ -188,7 +188,25 @@ struct ip_timestamp
#define IPTOS_DSCP_EF 0xb8
/*
* Definitions for IP type of service (ip_tos)
* In RFC 2474, Section 4.2.2.1, the Class Selector Codepoints subsume
* the old ToS Precedence values.
*/
#define IPTOS_CLASS_MASK 0xe0
#define IPTOS_CLASS(class) ((class) & IPTOS_CLASS_MASK)
#define IPTOS_CLASS_CS0 0x00
#define IPTOS_CLASS_CS1 0x20
#define IPTOS_CLASS_CS2 0x40
#define IPTOS_CLASS_CS3 0x60
#define IPTOS_CLASS_CS4 0x80
#define IPTOS_CLASS_CS5 0xa0
#define IPTOS_CLASS_CS6 0xc0
#define IPTOS_CLASS_CS7 0xe0
#define IPTOS_CLASS_DEFAULT IPTOS_CLASS_CS0
/*
* Definitions for IP type of service (ip_tos) [deprecated; use DSCP
* and CS definitions above instead.]
*/
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
@@ -199,18 +217,18 @@ struct ip_timestamp
#define IPTOS_MINCOST IPTOS_LOWCOST
/*
* Definitions for IP precedence (also in ip_tos) (hopefully unused)
* Definitions for IP precedence (also in ip_tos) [also deprecated.]
*/
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
#define IPTOS_PREC_MASK IPTOS_CLASS_MASK
#define IPTOS_PREC(tos) IPTOS_CLASS(tos)
#define IPTOS_PREC_NETCONTROL IPTOS_CLASS_CS7
#define IPTOS_PREC_INTERNETCONTROL IPTOS_CLASS_CS6
#define IPTOS_PREC_CRITIC_ECP IPTOS_CLASS_CS5
#define IPTOS_PREC_FLASHOVERRIDE IPTOS_CLASS_CS4
#define IPTOS_PREC_FLASH IPTOS_CLASS_CS3
#define IPTOS_PREC_IMMEDIATE IPTOS_CLASS_CS2
#define IPTOS_PREC_PRIORITY IPTOS_CLASS_CS1
#define IPTOS_PREC_ROUTINE IPTOS_CLASS_CS0
/*
* Definitions for options.