svn commit: r268558 - head/sys/sys

[Adrian Chadd]

Author: adrian
Date: Sat Jul 12 05:42:57 2014
New Revision: 268558
URL: http://svnweb.freebsd.org/changeset/base/268558

Log:
  Add some hash types for UDP RSS for both IPv4 and IPv6.
  
  Nothing is yet using this but I'd like to reserve these values.

Modified:
  head/sys/sys/mbuf.h

Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h	Sat Jul 12 05:40:13 2014	(r268557)
+++ head/sys/sys/mbuf.h	Sat Jul 12 05:42:57 2014	(r268558)
@@ -279,6 +279,7 @@ struct mbuf {
  * that provide an opaque flow identifier, allowing for ordering and
  * distribution without explicit affinity.
  */
+/* Microsoft RSS standard hash types */
 #define	M_HASHTYPE_NONE			0
 #define	M_HASHTYPE_RSS_IPV4		1	/* IPv4 2-tuple */
 #define	M_HASHTYPE_RSS_TCP_IPV4		2	/* TCPv4 4-tuple */
@@ -286,6 +287,12 @@ struct mbuf {
 #define	M_HASHTYPE_RSS_TCP_IPV6		4	/* TCPv6 4-tuple */
 #define	M_HASHTYPE_RSS_IPV6_EX		5	/* IPv6 2-tuple + ext hdrs */
 #define	M_HASHTYPE_RSS_TCP_IPV6_EX	6	/* TCPv6 4-tiple + ext hdrs */
+/* Non-standard RSS hash types */
+#define	M_HASHTYPE_RSS_UDP_IPV4		7	/* IPv4 UDP 4-tuple */
+#define	M_HASHTYPE_RSS_UDP_IPV4_EX	8	/* IPv4 UDP 4-tuple + ext hdrs */
+#define	M_HASHTYPE_RSS_UDP_IPV6		9	/* IPv6 UDP 4-tuple */
+#define	M_HASHTYPE_RSS_UDP_IPV6_EX	10	/* IPv6 UDP 4-tuple + ext hdrs */
+
 #define	M_HASHTYPE_OPAQUE		255	/* ordering, not affinity */
 
 #define	M_HASHTYPE_CLEAR(m)	((m)->m_pkthdr.rsstype = 0)