-- binary
05 0c # version, type
00 58 # length
12 34 56 78 # xid
02 # reason
00 00 00 00 00 00 00 # pad
00 00 00 04 # port_no
00 48 # length
00 00 # pad
01 02 03 04 05 06 # hw_addr
00 00 # pad
66 6f 6f 00 00 00 00 00 # name
00 00 00 00 00 00 00 00 # ...
00 00 00 24 # config
00 00 00 02 # state
00 00 # properties[0].type (ethernet)
00 20 # properties[0].length
00 00 00 00 # pad
00 00 00 01 # properties[0].curr
00 00 00 02 # properties[0].advertised
00 00 00 04 # properties[0].supported
00 00 00 08 # properties[0].peer
00 00 00 0a # properties[0].curr_speed
00 00 00 14 # properties[0].max_speed
-- python
ofp.message.port_status(
    xid=0x12345678,
    reason=ofp.OFPPR_MODIFY,
    desc=ofp.port_desc(
        port_no=4,
        hw_addr=[1,2,3,4,5,6],
        name="foo",
        config=ofp.OFPPC_NO_FWD|ofp.OFPPC_NO_RECV,
        state=ofp.OFPPS_BLOCKED,
        properties=[
            ofp.port_desc_prop.ethernet(
                curr=ofp.OFPPF_10MB_HD,
                advertised=ofp.OFPPF_10MB_FD,
                supported=ofp.OFPPF_100MB_HD,
                peer=ofp.OFPPF_100MB_FD,
                curr_speed=10,
                max_speed=20)]))
-- c
obj = of_port_status_new(OF_VERSION_1_4);
of_port_status_xid_set(obj, 0x12345678);
of_port_status_reason_set(obj, OF_PORT_CHANGE_REASON_MODIFY);
{
    of_object_t desc;
    of_port_status_desc_bind(obj, &desc);
    of_port_desc_port_no_set(&desc, 4);
    of_mac_addr_t hw_addr = { { 1, 2, 3, 4, 5, 6 } };
    of_port_desc_hw_addr_set(&desc, hw_addr);
    of_port_name_t name = "foo";
    of_port_desc_name_set(&desc, name);
    of_port_desc_config_set(&desc, OF_PORT_CONFIG_FLAG_NO_FWD|OF_PORT_CONFIG_FLAG_NO_RECV);
    of_port_desc_state_set(&desc, OF_PORT_STATE_FLAG_BLOCKED);
    {
        of_list_port_desc_prop_t list;
        of_port_desc_properties_bind(&desc, &list);
        {
            of_object_t *obj = of_port_desc_prop_ethernet_new(OF_VERSION_1_4);
            of_port_desc_prop_ethernet_curr_set(obj, OF_PORT_FEATURE_FLAG_10MB_HD);
            of_port_desc_prop_ethernet_advertised_set(obj, OF_PORT_FEATURE_FLAG_10MB_FD);
            of_port_desc_prop_ethernet_supported_set(obj, OF_PORT_FEATURE_FLAG_100MB_HD);
            of_port_desc_prop_ethernet_peer_set(obj, OF_PORT_FEATURE_FLAG_100MB_FD);
            of_port_desc_prop_ethernet_curr_speed_set(obj, 10);
            of_port_desc_prop_ethernet_max_speed_set(obj, 20);
            of_list_append(&list, obj);
            of_object_delete(obj);
        }
    }
}