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)
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