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Add ToS definitions for DiffServ Codepoints as per RFC2474.

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Obtained from:	OpenBSD
MFC after:	2 weeks
This commit is contained in:
Xin LI 2012-05-04 21:00:32 +00:00
parent 96ff26ff5d
commit 74882260fa
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235036
1 changed files with 25 additions and 0 deletions
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25
sys/netinet/ip.h
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@ -91,6 +91,31 @@ struct ip {
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/*
* Definitions for DiffServ Codepoints as per RFC2474
*/
#define IPTOS_DSCP_CS0 0x00
#define IPTOS_DSCP_CS1 0x20
#define IPTOS_DSCP_AF11 0x28
#define IPTOS_DSCP_AF12 0x30
#define IPTOS_DSCP_AF13 0x38
#define IPTOS_DSCP_CS2 0x40
#define IPTOS_DSCP_AF21 0x48
#define IPTOS_DSCP_AF22 0x50
#define IPTOS_DSCP_AF23 0x58
#define IPTOS_DSCP_CS3 0x60
#define IPTOS_DSCP_AF31 0x68
#define IPTOS_DSCP_AF32 0x70
#define IPTOS_DSCP_AF33 0x78
#define IPTOS_DSCP_CS4 0x80
#define IPTOS_DSCP_AF41 0x88
#define IPTOS_DSCP_AF42 0x90
#define IPTOS_DSCP_AF43 0x98
#define IPTOS_DSCP_CS5 0xa0
#define IPTOS_DSCP_EF 0xb8
#define IPTOS_DSCP_CS6 0xc0
#define IPTOS_DSCP_CS7 0xe0
/*
* ECN (Explicit Congestion Notification) codepoints in RFC3168 mapped to the
* lower 2 bits of the TOS field.