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sfputilbase.py
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# sfputilbase.py
#
# Base class for creating platform-specific SFP transceiver interfaces for SONiC
#
from __future__ import print_function
try:
import abc
import binascii
import os
import re
from . import bcmshell # Dot module supports both Python 2 and Python 3 using explicit relative import methods
from sonic_eeprom import eeprom_dts
from .sff8472 import sff8472InterfaceId # Dot module supports both Python 2 and Python 3 using explicit relative import methods
from .sff8472 import sff8472Dom # Dot module supports both Python 2 and Python 3 using explicit relative import methods
from .sff8436 import sff8436InterfaceId # Dot module supports both Python 2 and Python 3 using explicit relative import methods
from .sff8436 import sff8436Dom # Dot module supports both Python 2 and Python 3 using explicit relative import methods
from .inf8628 import inf8628InterfaceId # Dot module supports both Python 2 and Python 3 using explicit relative import methods
except ImportError as e:
raise ImportError("%s - required module not found" % str(e))
# definitions of the offset and width for values in XCVR info eeprom
XCVR_INTFACE_BULK_OFFSET = 0
XCVR_INTFACE_BULK_WIDTH_QSFP = 20
XCVR_INTFACE_BULK_WIDTH_SFP = 21
XCVR_TYPE_OFFSET = 0
XCVR_TYPE_WIDTH = 1
XCVR_EXT_TYPE_OFFSET = 1
XCVR_EXT_TYPE_WIDTH = 1
XCVR_CONNECTOR_OFFSET = 2
XCVR_CONNECTOR_WIDTH = 1
XCVR_COMPLIANCE_CODE_OFFSET = 3
XCVR_COMPLIANCE_CODE_WIDTH = 8
XCVR_ENCODING_OFFSET = 11
XCVR_ENCODING_WIDTH = 1
XCVR_NBR_OFFSET = 12
XCVR_NBR_WIDTH = 1
XCVR_EXT_RATE_SEL_OFFSET = 13
XCVR_EXT_RATE_SEL_WIDTH = 1
XCVR_CABLE_LENGTH_OFFSET = 14
XCVR_CABLE_LENGTH_WIDTH_QSFP = 5
XCVR_CABLE_LENGTH_WIDTH_SFP = 6
XCVR_VENDOR_NAME_OFFSET = 20
XCVR_VENDOR_NAME_WIDTH = 16
XCVR_VENDOR_OUI_OFFSET = 37
XCVR_VENDOR_OUI_WIDTH = 3
XCVR_VENDOR_PN_OFFSET = 40
XCVR_VENDOR_PN_WIDTH = 16
XCVR_HW_REV_OFFSET = 56
XCVR_HW_REV_WIDTH_OSFP = 2
XCVR_HW_REV_WIDTH_QSFP = 2
XCVR_HW_REV_WIDTH_SFP = 4
XCVR_VENDOR_SN_OFFSET = 68
XCVR_VENDOR_SN_WIDTH = 16
XCVR_VENDOR_DATE_OFFSET = 84
XCVR_VENDOR_DATE_WIDTH = 8
XCVR_DOM_CAPABILITY_OFFSET = 92
XCVR_DOM_CAPABILITY_WIDTH = 1
# definitions of the offset for values in OSFP info eeprom
OSFP_TYPE_OFFSET = 0
OSFP_VENDOR_NAME_OFFSET = 129
OSFP_VENDOR_PN_OFFSET = 148
OSFP_HW_REV_OFFSET = 164
OSFP_VENDOR_SN_OFFSET = 166
#definitions of the offset and width for values in DOM info eeprom
QSFP_DOM_REV_OFFSET = 1
QSFP_DOM_REV_WIDTH = 1
QSFP_TEMPE_OFFSET = 22
QSFP_TEMPE_WIDTH = 2
QSFP_VOLT_OFFSET = 26
QSFP_VOLT_WIDTH = 2
QSFP_CHANNL_MON_OFFSET = 34
QSFP_CHANNL_MON_WIDTH = 16
QSFP_CHANNL_MON_WITH_TX_POWER_WIDTH = 24
QSFP_MODULE_THRESHOLD_OFFSET = 128
QSFP_MODULE_THRESHOLD_WIDTH = 24
QSFP_CHANNL_THRESHOLD_OFFSET = 176
QSFP_CHANNL_THRESHOLD_WIDTH = 16
QSFP_CHANNL_MON_MASK_OFFSET = 242
QSFP_CHANNL_MON_MASK_WIDTH = 4
SFP_TEMPE_OFFSET = 96
SFP_TEMPE_WIDTH = 2
SFP_VOLT_OFFSET = 98
SFP_VOLT_WIDTH = 2
SFP_CHANNL_MON_OFFSET = 100
SFP_CHANNL_MON_WIDTH = 6
SFP_MODULE_THRESHOLD_OFFSET = 0
SFP_MODULE_THRESHOLD_WIDTH = 56
qsfp_cable_length_tup = ('Length(km)', 'Length OM3(2m)',
'Length OM2(m)', 'Length OM1(m)',
'Length Cable Assembly(m)')
sfp_cable_length_tup = ('LengthSMFkm-UnitsOfKm', 'LengthSMF(UnitsOf100m)',
'Length50um(UnitsOf10m)', 'Length62.5um(UnitsOfm)',
'LengthCable(UnitsOfm)', 'LengthOM3(UnitsOf10m)')
sfp_compliance_code_tup = ('10GEthernetComplianceCode', 'InfinibandComplianceCode',
'ESCONComplianceCodes', 'SONETComplianceCodes',
'EthernetComplianceCodes','FibreChannelLinkLength',
'FibreChannelTechnology', 'SFP+CableTechnology',
'FibreChannelTransmissionMedia','FibreChannelSpeed')
qsfp_compliance_code_tup = ('10/40G Ethernet Compliance Code', 'SONET Compliance codes',
'SAS/SATA compliance codes', 'Gigabit Ethernet Compliant codes',
'Fibre Channel link length/Transmitter Technology',
'Fibre Channel transmission media', 'Fibre Channel Speed')
class SfpUtilError(Exception):
"""Base class for exceptions in this module."""
pass
class DeviceTreeError(SfpUtilError):
"""Exception raised when unable to find SFP device attributes in the device tree."""
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
class SfpUtilBase(object):
""" Abstract base class for SFP utility. This class
provides base EEPROM read attributes and methods common
to most platforms."""
__metaclass__ = abc.ABCMeta
IDENTITY_EEPROM_ADDR = 0x50
DOM_EEPROM_ADDR = 0x51
SFP_DEVICE_TYPE = "24c02"
# List to specify filter for sfp_ports
# Needed by platforms like dni-6448 which
# have only a subset of ports that support sfp
sfp_ports = []
# List of logical port names available on a system
""" ["swp1", "swp5", "swp6", "swp7", "swp8" ...] """
logical = []
# dicts for easier conversions between logical, physical and bcm ports
logical_to_bcm = {}
logical_to_physical = {}
"""
phytab_mappings stores mapping between logical, physical and bcm ports
from /var/lib/cumulus/phytab
For a normal non-ganged port:
"swp8": {"bcmport": "xe4", "physicalport": [8], "phyid": ["0xb"]}
For a ganged 40G/4 port:
"swp1": {"bcmport": "xe0", "physicalport": [1, 2, 3, 4], "phyid": ["0x4", "0x5", "0x6", "0x7"]}
For ganged 4x10G port:
"swp52s0": {"bcmport": "xe51", "physicalport": [52], "phyid": ["0x48"]},
"swp52s1": {"bcmport": "xe52", "physicalport": [52], "phyid": ["0x49"]},
"swp52s2": {"bcmport": "xe53", "physicalport": [52], "phyid": ["0x4a"]},
"swp52s3": {"bcmport": "xe54", "physicalport": [52], "phyid": ["0x4b"]},
"""
phytab_mappings = {}
physical_to_logical = {}
physical_to_phyaddrs = {}
port_to_i2cbus_mapping = None
@abc.abstractproperty
def port_start(self):
""" Starting index of physical port range """
pass
@abc.abstractproperty
def port_end(self):
""" Ending index of physical port range """
pass
@abc.abstractproperty
def qsfp_ports(self):
""" QSFP Ports """
pass
@property
def osfp_ports(self):
""" OSFP/QSFP-DD Ports """
return []
@abc.abstractproperty
def port_to_eeprom_mapping(self):
""" Dictionary where key = physical port index (integer),
value = path to SFP EEPROM device file (string) """
pass
def __init__(self):
pass
def _get_bcm_port(self, port_num):
bcm_port = None
logical_port = self.physical_to_logical.get(port_num)
if logical_port is not None and len(logical_port) > 0:
bcm_port = self.logical_to_bcm.get(logical_port[0])
if bcm_port is None:
bcm_port = "xe%d" % (port_num - 1)
return bcm_port
def _get_port_i2c_adapter_id(self, port_num):
if len(self.port_to_i2cbus_mapping) == 0:
return -1
return self.port_to_i2cbus_mapping.get(port_num, -1)
# Adds new sfp device on i2c adapter/bus via i2c bus new_device
# sysfs attribute
def _add_new_sfp_device(self, sysfs_sfp_i2c_adapter_path, devaddr):
try:
sysfs_nd_path = "%s/new_device" % sysfs_sfp_i2c_adapter_path
# Write device address to new_device file
nd_file = open(sysfs_nd_path, "w")
nd_str = "%s %s" % (self.SFP_DEVICE_TYPE, hex(devaddr))
nd_file.write(nd_str)
nd_file.close()
except Exception as err:
print("Error writing to new device file: %s" % str(err))
return 1
else:
return 0
# Deletes sfp device on i2c adapter/bus via i2c bus delete_device
# sysfs attribute
def _delete_sfp_device(self, sysfs_sfp_i2c_adapter_path, devaddr):
try:
sysfs_nd_path = "%s/delete_device" % sysfs_sfp_i2c_adapter_path
# Write device address to delete_device file
nd_file = open(sysfs_nd_path, "w")
nd_file.write(devaddr)
nd_file.close()
except Exception as err:
print("Error writing to new device file: %s" % str(err))
return 1
else:
return 0
# Returns 1 if SFP EEPROM found. Returns 0 otherwise
def _sfp_eeprom_present(self, sysfs_sfp_i2c_client_eeprompath, offset):
"""Tries to read the eeprom file to determine if the
device/sfp is present or not. If sfp present, the read returns
valid bytes. If not, read returns error 'Connection timed out"""
if not os.path.exists(sysfs_sfp_i2c_client_eeprompath):
return False
else:
try:
with open(sysfs_sfp_i2c_client_eeprompath, mode="rb", buffering=0) as sysfsfile:
sysfsfile.seek(offset)
sysfsfile.read(1)
except IOError:
return False
except:
return False
else:
return True
def _get_port_eeprom_path(self, port_num, devid):
sysfs_i2c_adapter_base_path = "/sys/class/i2c-adapter"
if port_num in self.port_to_eeprom_mapping.keys():
sysfs_sfp_i2c_client_eeprom_path = self.port_to_eeprom_mapping[port_num]
else:
sysfs_i2c_adapter_base_path = "/sys/class/i2c-adapter"
i2c_adapter_id = self._get_port_i2c_adapter_id(port_num)
if i2c_adapter_id is None:
print("Error getting i2c bus num")
return None
# Get i2c virtual bus path for the sfp
sysfs_sfp_i2c_adapter_path = "%s/i2c-%s" % (sysfs_i2c_adapter_base_path,
str(i2c_adapter_id))
# If i2c bus for port does not exist
if not os.path.exists(sysfs_sfp_i2c_adapter_path):
print("Could not find i2c bus %s. Driver not loaded?" % sysfs_sfp_i2c_adapter_path)
return None
sysfs_sfp_i2c_client_path = "%s/%s-00%s" % (sysfs_sfp_i2c_adapter_path,
str(i2c_adapter_id),
hex(devid)[-2:])
# If sfp device is not present on bus, Add it
if not os.path.exists(sysfs_sfp_i2c_client_path):
ret = self._add_new_sfp_device(
sysfs_sfp_i2c_adapter_path, devid)
if ret != 0:
print("Error adding sfp device")
return None
sysfs_sfp_i2c_client_eeprom_path = "%s/eeprom" % sysfs_sfp_i2c_client_path
return sysfs_sfp_i2c_client_eeprom_path
# Read out any bytes from any offset
def _read_eeprom_specific_bytes(self, sysfsfile_eeprom, offset, num_bytes):
eeprom_raw = []
for i in range(0, num_bytes):
eeprom_raw.append("0x00")
try:
sysfsfile_eeprom.seek(offset)
raw = sysfsfile_eeprom.read(num_bytes)
except IOError:
print("Error: reading sysfs file %s" % sysfs_sfp_i2c_client_eeprom_path)
return None
try:
for n in range(0, num_bytes):
eeprom_raw[n] = hex(ord(raw[n]))[2:].zfill(2)
except:
return None
return eeprom_raw
# Read eeprom
def _read_eeprom_devid(self, port_num, devid, offset, num_bytes = 256):
sysfs_sfp_i2c_client_eeprom_path = self._get_port_eeprom_path(port_num, devid)
if not self._sfp_eeprom_present(sysfs_sfp_i2c_client_eeprom_path, offset):
return None
try:
sysfsfile_eeprom = open(sysfs_sfp_i2c_client_eeprom_path, mode="rb", buffering=0)
except IOError:
print("Error: reading sysfs file %s" % sysfs_sfp_i2c_client_eeprom_path)
return None
eeprom_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, offset, num_bytes)
try:
sysfsfile_eeprom.close()
except:
return None
return eeprom_raw
def _is_valid_port(self, port_num):
if port_num >= self.port_start and port_num <= self.port_end:
return True
return False
def read_porttab_mappings(self, porttabfile):
logical = []
logical_to_bcm = {}
logical_to_physical = {}
physical_to_logical = {}
last_fp_port_index = 0
last_portname = ""
first = 1
port_pos_in_file = 0
parse_fmt_port_config_ini = False
try:
f = open(porttabfile)
except:
raise
parse_fmt_port_config_ini = (os.path.basename(porttabfile) == "port_config.ini")
# Read the porttab file and generate dicts
# with mapping for future reference.
#
# TODO: Refactor this to use the portconfig.py module that now
# exists as part of the sonic-config-engine package.
title = []
for line in f:
line.strip()
if re.search("^#", line) is not None:
# The current format is: # name lanes alias index speed
# Where the ordering of the columns can vary
title = line.split()[1:]
continue
# Parsing logic for 'port_config.ini' file
if (parse_fmt_port_config_ini):
# bcm_port is not explicitly listed in port_config.ini format
# Currently we assume ports are listed in numerical order according to bcm_port
# so we use the port's position in the file (zero-based) as bcm_port
portname = line.split()[0]
bcm_port = str(port_pos_in_file)
if "index" in title:
fp_port_index = int(line.split()[title.index("index")])
# Leave the old code for backward compatibility
elif len(line.split()) >= 4:
fp_port_index = int(line.split()[3])
else:
fp_port_index = portname.split("Ethernet").pop()
fp_port_index = int(fp_port_index.split("s").pop(0))/4
else: # Parsing logic for older 'portmap.ini' file
(portname, bcm_port) = line.split("=")[1].split(",")[:2]
fp_port_index = portname.split("Ethernet").pop()
fp_port_index = int(fp_port_index.split("s").pop(0))/4
if ((len(self.sfp_ports) > 0) and (fp_port_index not in self.sfp_ports)):
continue
if first == 1:
# Initialize last_[physical|logical]_port
# to the first valid port
last_fp_port_index = fp_port_index
last_portname = portname
first = 0
logical.append(portname)
logical_to_bcm[portname] = "xe" + bcm_port
logical_to_physical[portname] = [fp_port_index]
if physical_to_logical.get(fp_port_index) is None:
physical_to_logical[fp_port_index] = [portname]
else:
physical_to_logical[fp_port_index].append(
portname)
last_fp_port_index = fp_port_index
last_portname = portname
port_pos_in_file += 1
self.logical = logical
self.logical_to_bcm = logical_to_bcm
self.logical_to_physical = logical_to_physical
self.physical_to_logical = physical_to_logical
"""
print("logical: " + self.logical)
print("logical to bcm: " + self.logical_to_bcm)
print("logical to physical: " + self.logical_to_physical)
print("physical to logical: " + self.physical_to_logical)
"""
def read_phytab_mappings(self, phytabfile):
logical = []
phytab_mappings = {}
physical_to_logical = {}
physical_to_phyaddrs = {}
try:
f = open(phytabfile)
except:
raise
# Read the phytab file and generate dicts
# with mapping for future reference.
# XXX: move the phytabfile
# parsing stuff to a separate module, or reuse
# if something already exists
for line in f:
line = line.strip()
line = re.sub(r"\s+", " ", line)
if len(line) < 4:
continue
if re.search("^#", line) is not None:
continue
(phy_addr, logical_port, bcm_port, type) = line.split(" ", 3)
if re.match("xe", bcm_port) is None:
continue
lport = re.findall("swp(\d+)s*(\d*)", logical_port)
if lport is not None:
lport_tuple = lport.pop()
physical_port = int(lport_tuple[0])
else:
physical_port = logical_port.split("swp").pop()
physical_port = int(physical_port.split("s").pop(0))
# Some platforms have a list of physical sfp ports
# defined. If such a list exists, check to see if this
# port is blacklisted
if ((len(self.sfp_ports) > 0) and (physical_port not in self.sfp_ports)):
continue
if logical_port not in logical:
logical.append(logical_port)
if phytab_mappings.get(logical_port) is None:
phytab_mappings[logical_port] = {}
phytab_mappings[logical_port]['physicalport'] = []
phytab_mappings[logical_port]['phyid'] = []
phytab_mappings[logical_port]['type'] = type
# If the port is 40G/4 ganged, there will be multiple
# physical ports corresponding to the logical port.
# Generate the next physical port number in the series
# and append it to the list
tmp_physical_port_list = phytab_mappings[logical_port]['physicalport']
if (type == "40G/4" and physical_port in tmp_physical_port_list):
# Aha!...ganged port
new_physical_port = tmp_physical_port_list[-1] + 1
else:
new_physical_port = physical_port
if (new_physical_port not in phytab_mappings[logical_port]['physicalport']):
phytab_mappings[logical_port]['physicalport'].append(new_physical_port)
phytab_mappings[logical_port]['phyid'].append(phy_addr)
phytab_mappings[logical_port]['bcmport'] = bcm_port
# Store in physical_to_logical dict
if physical_to_logical.get(new_physical_port) is None:
physical_to_logical[new_physical_port] = []
physical_to_logical[new_physical_port].append(logical_port)
# Store in physical_to_phyaddrs dict
if physical_to_phyaddrs.get(new_physical_port) is None:
physical_to_phyaddrs[new_physical_port] = []
physical_to_phyaddrs[new_physical_port].append(phy_addr)
self.logical = logical
self.phytab_mappings = phytab_mappings
self.physical_to_logical = physical_to_logical
self.physical_to_phyaddrs = physical_to_phyaddrs
"""
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(self.phytab_mappings)
print("logical: " + self.logical)
print("logical to bcm: " + self.logical_to_bcm)
print("phytab mappings: " + self.phytab_mappings)
print("physical to logical: " + self.physical_to_logical)
print("physical to phyaddrs: " + self.physical_to_phyaddrs)
"""
def get_physical_to_logical(self, port_num):
"""Returns list of logical ports for the given physical port"""
return self.physical_to_logical.get(port_num)
def get_logical_to_physical(self, logical_port):
"""Returns list of physical ports for the given logical port"""
return self.logical_to_physical[logical_port]
def is_logical_port(self, port):
if port in self.logical:
return 1
else:
return 0
def is_logical_port_ganged_40_by_4(self, logical_port):
physical_port_list = self.logical_to_physical[logical_port]
if len(physical_port_list) > 1:
return 1
else:
return 0
def is_physical_port_ganged_40_by_4(self, port_num):
logical_port = self.get_physical_to_logical(port_num)
if logical_port is not None:
return self.is_logical_port_ganged_40_by_4(logical_port[0])
return 0
def get_physical_port_phyid(self, physical_port):
"""Returns list of phyids for a physical port"""
return self.physical_to_phyaddrs[physical_port]
def get_40_by_4_gangport_phyid(self, logical_port):
""" Return the first ports phyid. One use case for
this is to address the gang port in single mode """
phyid_list = self.phytab_mappings[logical_port]['phyid']
if phyid_list is not None:
return phyid_list[0]
def is_valid_sfputil_port(self, port):
if port.startswith(""):
if self.is_logical_port(port):
return 1
else:
return 0
else:
return 0
def read_port_mappings(self):
if self.port_to_eeprom_mapping is None or self.port_to_i2cbus_mapping is None:
self.read_port_to_eeprom_mapping()
self.read_port_to_i2cbus_mapping()
def read_port_to_eeprom_mapping(self):
eeprom_dev = "/sys/class/eeprom_dev"
self.port_to_eeprom_mapping = {}
for eeprom_path in [os.path.join(eeprom_dev, x) for x in os.listdir(eeprom_dev)]:
eeprom_label = open(os.path.join(eeprom_path, "label"), "r").read().strip()
if eeprom_label.startswith("port"):
port = int(eeprom_label[4:])
self.port_to_eeprom_mapping[port] = os.path.join(eeprom_path, "device", "eeprom")
def read_port_to_i2cbus_mapping(self):
if self.port_to_i2cbus_mapping is not None and len(self.port_to_i2cbus_mapping) > 0:
return
self.eep_dict = eeprom_dts.get_dev_attr_from_dtb(['sfp'])
if len(self.eep_dict) == 0:
return
# XXX: there should be a cleaner way to do this.
i2cbus_list = []
self.port_to_i2cbus_mapping = {}
s = self.port_start
for sfp_sysfs_path, attrs in sorted(self.eep_dict.iteritems()):
i2cbus = attrs.get("dev-id")
if i2cbus is None:
raise DeviceTreeError("No 'dev-id' attribute found in attr: %s" % repr(attrs))
if i2cbus in i2cbus_list:
continue
i2cbus_list.append(i2cbus)
self.port_to_i2cbus_mapping[s] = i2cbus
s += 1
if s > self.port_end:
break
def get_eeprom_raw(self, port_num, num_bytes=256):
# Read interface id EEPROM at addr 0x50
return self._read_eeprom_devid(port_num, self.IDENTITY_EEPROM_ADDR, 0, num_bytes)
def get_eeprom_dom_raw(self, port_num):
if port_num in self.osfp_ports:
return None
if port_num in self.qsfp_ports:
# QSFP DOM EEPROM is also at addr 0x50 and thus also stored in eeprom_ifraw
return None
else:
# Read dom eeprom at addr 0x51
return self._read_eeprom_devid(port_num, self.DOM_EEPROM_ADDR, 0)
def get_eeprom_dict(self, port_num):
"""Returns dictionary of interface and dom data.
format: {<port_num> : {'interface': {'version' : '1.0', 'data' : {...}},
'dom' : {'version' : '1.0', 'data' : {...}}}}
"""
sfp_data = {}
eeprom_ifraw = self.get_eeprom_raw(port_num)
eeprom_domraw = self.get_eeprom_dom_raw(port_num)
if eeprom_ifraw is None:
return None
if port_num in self.osfp_ports:
sfpi_obj = inf8628InterfaceId(eeprom_ifraw)
if sfpi_obj is not None:
sfp_data['interface'] = sfpi_obj.get_data_pretty()
return sfp_data
elif port_num in self.qsfp_ports:
sfpi_obj = sff8436InterfaceId(eeprom_ifraw)
if sfpi_obj is not None:
sfp_data['interface'] = sfpi_obj.get_data_pretty()
# For Qsfp's the dom data is part of eeprom_if_raw
# The first 128 bytes
sfpd_obj = sff8436Dom(eeprom_ifraw)
if sfpd_obj is not None:
sfp_data['dom'] = sfpd_obj.get_data_pretty()
return sfp_data
else:
sfpi_obj = sff8472InterfaceId(eeprom_ifraw)
if sfpi_obj is not None:
sfp_data['interface'] = sfpi_obj.get_data_pretty()
cal_type = sfpi_obj.get_calibration_type()
if eeprom_domraw is not None:
sfpd_obj = sff8472Dom(eeprom_domraw, cal_type)
if sfpd_obj is not None:
sfp_data['dom'] = sfpd_obj.get_data_pretty()
return sfp_data
# Read out SFP type, vendor name, PN, REV, SN from eeprom.
def get_transceiver_info_dict(self, port_num):
transceiver_info_dict = {}
compliance_code_dict = {}
# ToDo: OSFP tranceiver info parsing not fully supported.
# in inf8628.py lack of some memory map definition
# will be implemented when the inf8628 memory map ready
if port_num in self.osfp_ports:
offset = 0
vendor_rev_width = XCVR_HW_REV_WIDTH_OSFP
sfpi_obj = inf8628InterfaceId()
if sfpi_obj is None:
print("Error: sfp_object open failed")
return None
file_path = self._get_port_eeprom_path(port_num, self.IDENTITY_EEPROM_ADDR)
if not self._sfp_eeprom_present(file_path, 0):
print("Error, file not exist %s" % file_path)
return None
try:
sysfsfile_eeprom = open(file_path, mode="rb", buffering=0)
except IOError:
print("Error: reading sysfs file %s" % file_path)
return None
sfp_type_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_TYPE_OFFSET), XCVR_TYPE_WIDTH)
if sfp_type_raw is not None:
sfp_type_data = sfpi_obj.parse_sfp_type(sfp_type_raw, 0)
else:
return None
sfp_vendor_name_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_VENDOR_NAME_OFFSET), XCVR_VENDOR_NAME_WIDTH)
if sfp_vendor_name_raw is not None:
sfp_vendor_name_data = sfpi_obj.parse_vendor_name(sfp_vendor_name_raw, 0)
else:
return None
sfp_vendor_pn_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_VENDOR_PN_OFFSET), XCVR_VENDOR_PN_WIDTH)
if sfp_vendor_pn_raw is not None:
sfp_vendor_pn_data = sfpi_obj.parse_vendor_pn(sfp_vendor_pn_raw, 0)
else:
return None
sfp_vendor_rev_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_HW_REV_OFFSET), vendor_rev_width)
if sfp_vendor_rev_raw is not None:
sfp_vendor_rev_data = sfpi_obj.parse_vendor_rev(sfp_vendor_rev_raw, 0)
else:
return None
sfp_vendor_sn_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_VENDOR_SN_OFFSET), XCVR_VENDOR_SN_WIDTH)
if sfp_vendor_sn_raw is not None:
sfp_vendor_sn_data = sfpi_obj.parse_vendor_sn(sfp_vendor_sn_raw, 0)
else:
return None
sfp_type_abbrv_name_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + OSFP_TYPE_OFFSET), XCVR_TYPE_WIDTH)
if sfp_type_abbrv_name_raw is not None:
sfp_type_abbrv_name = sfpi_obj.parse_sfp_type_abbrv_name(sfp_type_abbrv_name_raw, 0)
else:
return None
try:
sysfsfile_eeprom.close()
except IOError:
print("Error: closing sysfs file %s" % file_path)
return None
transceiver_info_dict['type'] = sfp_type_data['data']['type']['value']
transceiver_info_dict['type_abbrv_name'] = sfp_type_abbrv_name['data']['type_abbrv_name']['value']
transceiver_info_dict['manufacturename'] = sfp_vendor_name_data['data']['Vendor Name']['value']
transceiver_info_dict['modelname'] = sfp_vendor_pn_data['data']['Vendor PN']['value']
transceiver_info_dict['hardwarerev'] = sfp_vendor_rev_data['data']['Vendor Rev']['value']
transceiver_info_dict['serialnum'] = sfp_vendor_sn_data['data']['Vendor SN']['value']
# Below part is added to avoid fail the xcvrd, shall be implemented later
transceiver_info_dict['vendor_oui'] = 'N/A'
transceiver_info_dict['vendor_date'] = 'N/A'
transceiver_info_dict['Connector'] = 'N/A'
transceiver_info_dict['encoding'] = 'N/A'
transceiver_info_dict['ext_identifier'] = 'N/A'
transceiver_info_dict['ext_rateselect_compliance'] = 'N/A'
transceiver_info_dict['cable_type'] = 'N/A'
transceiver_info_dict['cable_length'] = 'N/A'
transceiver_info_dict['specification_compliance'] = 'N/A'
transceiver_info_dict['nominal_bit_rate'] = 'N/A'
else:
if port_num in self.qsfp_ports:
offset = 128
vendor_rev_width = XCVR_HW_REV_WIDTH_QSFP
cable_length_width = XCVR_CABLE_LENGTH_WIDTH_QSFP
interface_info_bulk_width = XCVR_INTFACE_BULK_WIDTH_QSFP
sfp_type = 'QSFP'
sfpi_obj = sff8436InterfaceId()
if sfpi_obj is None:
print("Error: sfp_object open failed")
return None
else:
offset = 0
vendor_rev_width = XCVR_HW_REV_WIDTH_SFP
cable_length_width = XCVR_CABLE_LENGTH_WIDTH_SFP
interface_info_bulk_width = XCVR_INTFACE_BULK_WIDTH_SFP
sfp_type = 'SFP'
sfpi_obj = sff8472InterfaceId()
if sfpi_obj is None:
print("Error: sfp_object open failed")
return None
file_path = self._get_port_eeprom_path(port_num, self.IDENTITY_EEPROM_ADDR)
if not self._sfp_eeprom_present(file_path, 0):
print("Error, file not exist %s" % file_path)
return None
try:
sysfsfile_eeprom = open(file_path, mode="rb", buffering=0)
except IOError:
print("Error: reading sysfs file %s" % file_path)
return None
sfp_interface_bulk_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_INTFACE_BULK_OFFSET), interface_info_bulk_width)
if sfp_interface_bulk_raw is not None:
sfp_interface_bulk_data = sfpi_obj.parse_sfp_info_bulk(sfp_interface_bulk_raw, 0)
else:
return None
sfp_vendor_name_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_VENDOR_NAME_OFFSET), XCVR_VENDOR_NAME_WIDTH)
if sfp_vendor_name_raw is not None:
sfp_vendor_name_data = sfpi_obj.parse_vendor_name(sfp_vendor_name_raw, 0)
else:
return None
sfp_vendor_pn_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_VENDOR_PN_OFFSET), XCVR_VENDOR_PN_WIDTH)
if sfp_vendor_pn_raw is not None:
sfp_vendor_pn_data = sfpi_obj.parse_vendor_pn(sfp_vendor_pn_raw, 0)
else:
return None
sfp_vendor_rev_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_HW_REV_OFFSET), vendor_rev_width)
if sfp_vendor_rev_raw is not None:
sfp_vendor_rev_data = sfpi_obj.parse_vendor_rev(sfp_vendor_rev_raw, 0)
else:
return None
sfp_vendor_sn_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_VENDOR_SN_OFFSET), XCVR_VENDOR_SN_WIDTH)
if sfp_vendor_sn_raw is not None:
sfp_vendor_sn_data = sfpi_obj.parse_vendor_sn(sfp_vendor_sn_raw, 0)
else:
return None
sfp_vendor_oui_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_VENDOR_OUI_OFFSET), XCVR_VENDOR_OUI_WIDTH)
if sfp_vendor_oui_raw is not None:
sfp_vendor_oui_data = sfpi_obj.parse_vendor_oui(sfp_vendor_oui_raw, 0)
else:
return None
sfp_vendor_date_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + XCVR_VENDOR_DATE_OFFSET), XCVR_VENDOR_DATE_WIDTH)
if sfp_vendor_date_raw is not None:
sfp_vendor_date_data = sfpi_obj.parse_vendor_date(sfp_vendor_date_raw, 0)
else:
return None
try:
sysfsfile_eeprom.close()
except IOError:
print("Error: closing sysfs file %s" % file_path)
return None
transceiver_info_dict['type'] = sfp_interface_bulk_data['data']['type']['value']
transceiver_info_dict['type_abbrv_name'] = sfp_interface_bulk_data['data']['type_abbrv_name']['value']
transceiver_info_dict['manufacturename'] = sfp_vendor_name_data['data']['Vendor Name']['value']
transceiver_info_dict['modelname'] = sfp_vendor_pn_data['data']['Vendor PN']['value']
transceiver_info_dict['hardwarerev'] = sfp_vendor_rev_data['data']['Vendor Rev']['value']
transceiver_info_dict['serialnum'] = sfp_vendor_sn_data['data']['Vendor SN']['value']
transceiver_info_dict['vendor_oui'] = sfp_vendor_oui_data['data']['Vendor OUI']['value']
transceiver_info_dict['vendor_date'] = sfp_vendor_date_data['data']['VendorDataCode(YYYY-MM-DD Lot)']['value']
transceiver_info_dict['Connector'] = sfp_interface_bulk_data['data']['Connector']['value']
transceiver_info_dict['encoding'] = sfp_interface_bulk_data['data']['EncodingCodes']['value']
transceiver_info_dict['ext_identifier'] = sfp_interface_bulk_data['data']['Extended Identifier']['value']
transceiver_info_dict['ext_rateselect_compliance'] = sfp_interface_bulk_data['data']['RateIdentifier']['value']
transceiver_info_dict['cable_type'] = "Unknown"
transceiver_info_dict['cable_length'] = "Unknown"
if sfp_type == 'QSFP':
for key in qsfp_cable_length_tup:
if key in sfp_interface_bulk_data['data']:
transceiver_info_dict['cable_type'] = key
transceiver_info_dict['cable_length'] = str(sfp_interface_bulk_data['data'][key]['value'])
for key in qsfp_compliance_code_tup:
if key in sfp_interface_bulk_data['data']['Specification compliance']['value']:
compliance_code_dict[key] = sfp_interface_bulk_data['data']['Specification compliance']['value'][key]['value']
transceiver_info_dict['specification_compliance'] = str(compliance_code_dict)
transceiver_info_dict['nominal_bit_rate'] = str(sfp_interface_bulk_data['data']['Nominal Bit Rate(100Mbs)']['value'])
else:
for key in sfp_cable_length_tup:
if key in sfp_interface_bulk_data['data']:
transceiver_info_dict['cable_type'] = key
transceiver_info_dict['cable_length'] = str(sfp_interface_bulk_data['data'][key]['value'])
for key in sfp_compliance_code_tup:
if key in sfp_interface_bulk_data['data']['Specification compliance']['value']:
compliance_code_dict[key] = sfp_interface_bulk_data['data']['Specification compliance']['value'][key]['value']
transceiver_info_dict['specification_compliance'] = str(compliance_code_dict)
transceiver_info_dict['nominal_bit_rate'] = str(sfp_interface_bulk_data['data']['NominalSignallingRate(UnitsOf100Mbd)']['value'])
return transceiver_info_dict
def get_transceiver_dom_info_dict(self, port_num):
transceiver_dom_info_dict = {}
dom_info_dict_keys = ['temperature', 'voltage', 'rx1power',
'rx2power', 'rx3power', 'rx4power',
'tx1bias', 'tx2bias', 'tx3bias',
'tx4bias', 'tx1power', 'tx2power',
'tx3power', 'tx4power',
]
transceiver_dom_info_dict = dict.fromkeys(dom_info_dict_keys, 'N/A')
if port_num in self.osfp_ports:
# Below part is added to avoid fail xcvrd, shall be implemented later
transceiver_dom_info_dict['temperature'] = 'N/A'
transceiver_dom_info_dict['voltage'] = 'N/A'
transceiver_dom_info_dict['rx1power'] = 'N/A'
transceiver_dom_info_dict['rx2power'] = 'N/A'
transceiver_dom_info_dict['rx3power'] = 'N/A'
transceiver_dom_info_dict['rx4power'] = 'N/A'
transceiver_dom_info_dict['tx1bias'] = 'N/A'
transceiver_dom_info_dict['tx2bias'] = 'N/A'
transceiver_dom_info_dict['tx3bias'] = 'N/A'
transceiver_dom_info_dict['tx4bias'] = 'N/A'
transceiver_dom_info_dict['tx1power'] = 'N/A'
transceiver_dom_info_dict['tx2power'] = 'N/A'
transceiver_dom_info_dict['tx3power'] = 'N/A'
transceiver_dom_info_dict['tx4power'] = 'N/A'
elif port_num in self.qsfp_ports:
offset = 0
offset_xcvr = 128
file_path = self._get_port_eeprom_path(port_num, self.IDENTITY_EEPROM_ADDR)
if not self._sfp_eeprom_present(file_path, 0):
return None
try:
sysfsfile_eeprom = open(file_path, mode="rb", buffering=0)
except IOError:
print("Error: reading sysfs file %s" % file_path)
return None
sfpd_obj = sff8436Dom()
if sfpd_obj is None:
return None
sfpi_obj = sff8436InterfaceId()
if sfpi_obj is None:
return None
# QSFP capability byte parse, through this byte can know whether it support tx_power or not.
# TODO: in the future when decided to migrate to support SFF-8636 instead of SFF-8436,
# need to add more code for determining the capability and version compliance
# in SFF-8636 dom capability definitions evolving with the versions.
qsfp_dom_capability_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset_xcvr + XCVR_DOM_CAPABILITY_OFFSET), XCVR_DOM_CAPABILITY_WIDTH)
if qsfp_dom_capability_raw is not None:
qspf_dom_capability_data = sfpi_obj.parse_qsfp_dom_capability(qsfp_dom_capability_raw, 0)
else:
return None
dom_temperature_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + QSFP_TEMPE_OFFSET), QSFP_TEMPE_WIDTH)
if dom_temperature_raw is not None:
dom_temperature_data = sfpd_obj.parse_temperature(dom_temperature_raw, 0)
else:
return None
dom_voltage_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + QSFP_VOLT_OFFSET), QSFP_VOLT_WIDTH)
if dom_voltage_raw is not None:
dom_voltage_data = sfpd_obj.parse_voltage(dom_voltage_raw, 0)
else:
return None
qsfp_dom_rev_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + QSFP_DOM_REV_OFFSET), QSFP_DOM_REV_WIDTH)
if qsfp_dom_rev_raw is not None:
qsfp_dom_rev_data = sfpd_obj.parse_sfp_dom_rev(qsfp_dom_rev_raw, 0)
else:
return None
transceiver_dom_info_dict['temperature'] = dom_temperature_data['data']['Temperature']['value']
transceiver_dom_info_dict['voltage'] = dom_voltage_data['data']['Vcc']['value']
# The tx_power monitoring is only available on QSFP which compliant with SFF-8636
# and claimed that it support tx_power with one indicator bit.
dom_channel_monitor_data = {}
qsfp_dom_rev = qsfp_dom_rev_data['data']['dom_rev']['value']
qsfp_tx_power_support = qspf_dom_capability_data['data']['Tx_power_support']['value']
if (qsfp_dom_rev[0:8] != 'SFF-8636' or (qsfp_dom_rev[0:8] == 'SFF-8636' and qsfp_tx_power_support != 'on')):
dom_channel_monitor_raw = self._read_eeprom_specific_bytes(sysfsfile_eeprom, (offset + QSFP_CHANNL_MON_OFFSET), QSFP_CHANNL_MON_WIDTH)
if dom_channel_monitor_raw is not None:
dom_channel_monitor_data = sfpd_obj.parse_channel_monitor_params(dom_channel_monitor_raw, 0)
else:
return None
transceiver_dom_info_dict['tx1power'] = 'N/A'