/*
- * Copyright (c) 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2011, 2012, 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
MFF_IPV6_DST, /* ipv6 */
MFF_IPV6_LABEL, /* be32 */
+ /* The IPv4/IPv6 DSCP field has two different views:
+ *
+ * - MFF_IP_DSCP has the DSCP in bits 2-7, their bit positions in the
+ * IPv4 and IPv6 "traffic class" field, as used in OpenFlow 1.0 and 1.1
+ * flow format and in NXM's NXM_OF_IP_TOS
+ *
+ * - MFF_IP_DSCP has the DSCP in bits 0-5, shifted right two bits from
+ * their positions in the IPv4 and IPv6 "traffic class" field, as used
+ * in OpenFlow 1.2+ OXM's OXM_OF_IP_DSCP. */
MFF_IP_PROTO, /* u8 (used for IPv4 or IPv6) */
MFF_IP_DSCP, /* u8 (used for IPv4 or IPv6) */
+ MFF_IP_DSCP_SHIFTED, /* u8 (used for IPv4 or IPv6) (OF1.2 compat) */
MFF_IP_ECN, /* u8 (used for IPv4 or IPv6) */
MFF_IP_TTL, /* u8 (used for IPv4 or IPv6) */
MFF_IP_FRAG, /* u8 (used for IPv4 or IPv6) */