Signed-off-by: YAMAMOTO Takashi <yamam...@valinux.co.jp> --- include/openflow/nicira-ext.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/include/openflow/nicira-ext.h b/include/openflow/nicira-ext.h index 65ba950..b20bab3 100644 --- a/include/openflow/nicira-ext.h +++ b/include/openflow/nicira-ext.h @@ -287,6 +287,9 @@ OFP_ASSERT(sizeof(struct nx_async_config) == 24); * short, that is also supported by Open vSwitch. This section also defines a * replacement for each OpenFlow message that includes struct ofp10_match. * + * OpenFlow 1.2+ introduced OpenFlow Extensible Match (OXM), adapting + * the design of NXM. The format of NXM and OXM are compatible. + * * * Format * ====== @@ -307,10 +310,12 @@ OFP_ASSERT(sizeof(struct nx_async_config) == 24); * +----------------------------------+---------------+--+------------------+ * * The most-significant 23 bits of the header are collectively "nxm_type". - * Bits 16...31 are "nxm_vendor", one of the NXM_VENDOR_* values below. Bits - * 9...15 are "nxm_field", which is a vendor-specific value. nxm_type normally - * designates a protocol header, such as the Ethernet type, but it can also - * refer to packet metadata, such as the switch port on which a packet arrived. + * Bits 16...31 are "nxm_vendor", one of OFPXMC12_* values. In case of + * NXM, it's either OFPXMC12_NXM_0 or OFPXMC12_NXM_1. + * Bits 9...15 are "nxm_field", which is a vendor-specific value. nxm_type + * normally designates a protocol header, such as the Ethernet type, but it + * can also refer to packet metadata, such as the switch port on which a packet + * arrived. * * Bit 8 is "nxm_hasmask" (labeled "hm" above for space reasons). The meaning * of this bit is explained later. -- 1.9.4 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
