assert calcsize(OFP_PACKET_QUEUE_PQCK_STR) == OFP_PACKET_QUEUE_SIZE
OFPQT_NONE = 0
OFPQT_MIN_RATE = 1
OFP_QUEUE_PROP_HEADER_PACK_STR = '!HH4x'
OFP_QUEUE_PROP_HEADER_SIZE = 8
assert calcsize(OFP_QUEUE_PROP_HEADER_PACK_STR) == OFP_QUEUE_PROP_HEADER_SIZE
OFP_QUEUE_PROP_MIN_RATE_PACK_STR = '!H6x'
OFP_QUEUE_PROP_MIN_RATE_SIZE = 16
assert (calcsize(OFP_QUEUE_PROP_MIN_RATE_PACK_STR) +
OFP_QUEUE_PROP_HEADER_SIZE == OFP_QUEUE_PROP_MIN_RATE_SIZE)
# generate utility methods
ofproto_utils.generate(__name__)
def nxm_header__(vendor, field, hasmask, length):
return (vendor << 16) | (field << 9) | (hasmask << 8) | length
def nxm_header(vendor, field, length):
return nxm_header__(vendor, field, 0, length)
def nxm_header_w(vendor, field, length):
return nxm_header__(vendor, field, 1, (length) * 2)
NXM_OF_IN_PORT = nxm_header(0x0000, 0, 2)
oxm_fields.OpenFlowBasic("ipv6_exthdr", 39, type_desc.Int2),
# EXT-256 Old version of ONF Extension
oxm_fields.OldONFExperimenter("pbb_uca", 2560, type_desc.Int1),
# EXT-109 TCP flags match field Extension
oxm_fields.ONFExperimenter("tcp_flags", 42, type_desc.Int2),
# EXT-233 Output match Extension
# NOTE(yamamoto): The spec says uint64_t but I assume it's an error.
oxm_fields.ONFExperimenter("actset_output", 43, type_desc.Int4),
] + nicira_ext.oxm_types
oxm_fields.generate(__name__)
# Note: struct ofp_prop_experimenter is specific to this implementation.
# It does not have a corresponding structure in the specification.
# This structure defines common structure for ofp_*_prop_experimenter.
# struct ofp_prop_experimenter
OFP_PROP_EXPERIMENTER_PACK_STR = "!HHII"
OFP_PROP_EXPERIMENTER_SIZE = 12
assert calcsize(OFP_PROP_EXPERIMENTER_PACK_STR) == OFP_PROP_EXPERIMENTER_SIZE
# generate utility methods
ofproto_utils.generate(__name__)
# define constants
OFP_VERSION = 0x04
OFP_TCP_PORT = 6633
MAX_XID = 0xFFFFFFFF
OFP_NO_BUFFER = 0xFFFFFFFF
