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-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/generic/netinet/ip.h43
2 files changed, 36 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index f25912e..1e766bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2010-01-14 Ulrich Drepper <drepper@redhat.com>
+ [BZ #11027]
+ * sysdeps/generic/netinet/ip.h: Define IPTOS_CLASS_* macros according
+ to RFC 2474.
+ Patch by Philip Prindeville <philipp@redfish-solutions.com>.
+
[BZ #11141]
* resolv/res_send.c (reopen): Don't use IPv6 sockets for IPv4
addresses.
diff --git a/sysdeps/generic/netinet/ip.h b/sysdeps/generic/netinet/ip.h
index 38bd755..a837b98 100644
--- a/sysdeps/generic/netinet/ip.h
+++ b/sysdeps/generic/netinet/ip.h
@@ -189,7 +189,26 @@ 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) ((tos) & 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)
@@ -200,18 +219,18 @@ 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.