def match_from_dict(match_dict):
convert = {
'in_port': OFCtlUtil(ofp).ofp_port_from_user,
'in_phy_port': str_to_int,
'metadata': to_match_masked_int,
'dl_dst': to_match_eth,
'dl_src': to_match_eth,
'eth_dst': to_match_eth,
'eth_src': to_match_eth,
'dl_type': str_to_int,
'eth_type': str_to_int,
'dl_vlan': valve_match_vid,
'vlan_vid': valve_match_vid,
'vlan_pcp': str_to_int,
'ip_dscp': str_to_int,
'ip_ecn': str_to_int,
'nw_proto': str_to_int,
'ip_proto': str_to_int,
'nw_src': to_match_ip,
'nw_dst': to_match_ip,
'ipv4_src': to_match_ip,
'ipv4_dst': to_match_ip,
'tp_src': to_match_masked_int,
'tp_dst': to_match_masked_int,
'tcp_src': to_match_masked_int,
'tcp_dst': to_match_masked_int,
'udp_src': to_match_masked_int,
'udp_dst': to_match_masked_int,
'sctp_src': to_match_masked_int,
'sctp_dst': to_match_masked_int,
'icmpv4_type': str_to_int,
'icmpv4_code': str_to_int,
'arp_op': str_to_int,
'arp_spa': to_match_ip,
'arp_tpa': to_match_ip,
'arp_sha': to_match_eth,
'arp_tha': to_match_eth,
'ipv6_src': to_match_ip,
'ipv6_dst': to_match_ip,
'ipv6_flabel': str_to_int,
'icmpv6_type': str_to_int,
'icmpv6_code': str_to_int,
'ipv6_nd_target': to_match_ip,
'ipv6_nd_sll': to_match_eth,
'ipv6_nd_tll': to_match_eth,
'mpls_label': str_to_int,
'mpls_tc': str_to_int,
'mpls_bos': str_to_int,
'pbb_isid': to_match_masked_int,
'tunnel_id': to_match_masked_int,
'ipv6_exthdr': to_match_masked_int
}
keys = {
'dl_dst': 'eth_dst',
'dl_src': 'eth_src',
'dl_type': 'eth_type',
'dl_vlan': 'vlan_vid',
'nw_src': 'ipv4_src',
'nw_dst': 'ipv4_dst',
'nw_proto': 'ip_proto'
}
if (match_dict.get('dl_type') == ether.ETH_TYPE_ARP
or match_dict.get('eth_type') == ether.ETH_TYPE_ARP):
if 'nw_src' in match_dict and 'arp_spa' not in match_dict:
match_dict['arp_spa'] = match_dict['nw_src']
del match_dict['nw_src']
if 'nw_dst' in match_dict and 'arp_tpa' not in match_dict:
match_dict['arp_tpa'] = match_dict['nw_dst']
del match_dict['nw_dst']
kwargs = {}
for key, value in list(match_dict.items()):
if key in keys:
# For old field name
key = keys[key]
if key in convert:
value = convert[key](value)
if key == 'tp_src' or key == 'tp_dst':
# TCP/UDP port
conv = {
inet.IPPROTO_TCP: {
'tp_src': 'tcp_src',
'tp_dst': 'tcp_dst'
},
inet.IPPROTO_UDP: {
'tp_src': 'udp_src',
'tp_dst': 'udp_dst'
}
}
ip_proto = match_dict.get('nw_proto',
match_dict.get('ip_proto', 0))
key = conv[ip_proto][key]
kwargs[key] = value
else:
# others
kwargs[key] = value
else:
assert 'Unknown match field: %s' % key
return parser.OFPMatch(**kwargs)
Args:
match_fields (dict): match fields and values.
Returns:
ryu.ofproto.ofproto_v1_3_parser.OFPMatch: matches.
"""
return parser.OFPMatch(**match_fields)
def valve_match_vid(value):
return to_match_vid(value, ofp.OFPVID_PRESENT)
# See 7.2.3.7 Flow Match Fields (OF 1.3.5)
MATCH_FIELDS = {
'in_port': OFCtlUtil(ofp).ofp_port_from_user,
'in_phy_port': str_to_int,
'metadata': to_match_masked_int,
'eth_dst': to_match_eth,
'eth_src': to_match_eth,
'eth_type': str_to_int,
'vlan_vid': valve_match_vid,
'vlan_pcp': str_to_int,
'ip_dscp': str_to_int,
'ip_ecn': str_to_int,
'ip_proto': str_to_int,
'ipv4_src': to_match_ip,
'ipv4_dst': to_match_ip,
'tcp_src': to_match_masked_int,
'tcp_dst': to_match_masked_int,
'udp_src': to_match_masked_int,
