214 lines
6.2 KiB
Python
214 lines
6.2 KiB
Python
#! /usr/bin/python
|
|
#
|
|
# Platform-specific SFP transceiver interface for SONiC
|
|
#
|
|
|
|
try:
|
|
import time
|
|
from sonic_sfp.sfputilbase import SfpUtilBase
|
|
import sys
|
|
sys.path.append('/usr/lib/python2.7/dist-packages/sonic_sfp/')
|
|
from sff8472 import sff8472InterfaceId
|
|
from sff8472 import sff8472Dom
|
|
from sff8436 import sff8436InterfaceId
|
|
from sff8436 import sff8436Dom
|
|
except ImportError, e:
|
|
raise ImportError("%s - required module not found" % str(e))
|
|
|
|
|
|
class SfpUtil(SfpUtilBase):
|
|
"""Platform-specific SfpUtil class"""
|
|
|
|
PORT_START = 0
|
|
PORT_END = 53
|
|
PORTS_IN_BLOCK = 54
|
|
|
|
EEPROM_OFFSET = 11
|
|
|
|
_port_to_eeprom_mapping = {}
|
|
|
|
@property
|
|
def port_start(self):
|
|
return self.PORT_START
|
|
|
|
@property
|
|
def port_end(self):
|
|
return self.PORT_END
|
|
|
|
@property
|
|
def qsfp_ports(self):
|
|
return range(self.PORT_START + 48, self.PORTS_IN_BLOCK)
|
|
|
|
@property
|
|
def port_to_eeprom_mapping(self):
|
|
return self._port_to_eeprom_mapping
|
|
|
|
def __init__(self):
|
|
eeprom_path = "/sys/class/i2c-adapter/i2c-{0}/{0}-0050/eeprom"
|
|
|
|
for x in range(0, self.port_end + 1):
|
|
self._port_to_eeprom_mapping[x] = eeprom_path.format(x + self.EEPROM_OFFSET)
|
|
|
|
SfpUtilBase.__init__(self)
|
|
|
|
def get_presence(self, port_num):
|
|
bit_mask = port_num % 8
|
|
|
|
if port_num <= 7:
|
|
presence_path = "/sys/bus/i2c/devices/3-0031/sfp_mod_abs1"
|
|
elif 8 <= port_num and port_num <= 15:
|
|
presence_path = "/sys/bus/i2c/devices/3-0031/sfp_mod_abs2"
|
|
elif 16 <= port_num and port_num <= 23:
|
|
presence_path = "/sys/bus/i2c/devices/3-0031/sfp_mod_abs3"
|
|
elif 24 <= port_num and port_num <= 27:
|
|
presence_path = "/sys/bus/i2c/devices/3-0031/sfp_mod_abs4"
|
|
elif 28 <= port_num and port_num <= 31:
|
|
presence_path = "/sys/bus/i2c/devices/4-0032/sfp_mod_abs1"
|
|
bit_mask = bit_mask - 4
|
|
elif 32 <= port_num and port_num <= 39:
|
|
presence_path = "/sys/bus/i2c/devices/4-0032/sfp_mod_abs2"
|
|
elif 40 <= port_num and port_num <= 47:
|
|
presence_path = "/sys/bus/i2c/devices/4-0032/sfp_mod_abs3"
|
|
elif 48 <= port_num and port_num <= 71:
|
|
presence_path = "/sys/bus/i2c/devices/4-0032/qsfp_modprs"
|
|
else:
|
|
return False
|
|
|
|
try:
|
|
reg_file = open(presence_path, "rb")
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
reg_file.close()
|
|
|
|
if reg_value & (1 << bit_mask) == 0:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def get_low_power_mode(self, port_num):
|
|
if port_num in self.qsfp_ports:
|
|
bit_mask = port_num % 8
|
|
else:
|
|
return False
|
|
|
|
try:
|
|
reg_file = open("/sys/bus/i2c/devices/4-0032/qsfp_lpmode")
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
|
|
content = reg_file.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
reg_file.close()
|
|
|
|
if reg_value & (1 << bit_mask) == 0:
|
|
return False
|
|
|
|
return True
|
|
|
|
def set_low_power_mode(self, port_num, lpmode):
|
|
if port_num in self.qsfp_ports:
|
|
bit_mask = port_num % 8
|
|
else:
|
|
return False
|
|
|
|
try:
|
|
reg_file = open("/sys/bus/i2c/devices/4-0032/qsfp_lpmode", "r+")
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
|
|
if lpmode is True:
|
|
reg_value = reg_value | (1 << bit_mask)
|
|
else:
|
|
reg_value = reg_value & ~(1 << bit_mask)
|
|
|
|
reg_file.seek(0)
|
|
reg_file.write(str(reg_value))
|
|
reg_file.close()
|
|
|
|
return True
|
|
|
|
def reset(self, port_num):
|
|
if port_num in self.qsfp_ports:
|
|
bit_mask = (port_num % 8) + 2
|
|
else:
|
|
return False
|
|
|
|
try:
|
|
reg_file = open("/sys/bus/i2c/devices/4-0032/reset_control", "r+")
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = reg_file.readline().rstrip()
|
|
reg_value = int(content, 16)
|
|
reg_value = reg_value & ~(1 << bit_mask)
|
|
|
|
reg_file.seek(0)
|
|
reg_file.write(str(reg_value))
|
|
reg_file.close()
|
|
|
|
time.sleep(1)
|
|
|
|
try:
|
|
reg_file = open("/sys/bus/i2c/devices/4-0032/reset_control", "w")
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
reg_value = reg_value | (1 << bit_mask)
|
|
reg_file.seek(0)
|
|
reg_file.write(str(reg_value))
|
|
reg_file.close()
|
|
|
|
return True
|
|
|
|
def get_eeprom_dict(self, port_num):
|
|
if not self.get_presence(port_num):
|
|
return None
|
|
|
|
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.qsfp_ports:
|
|
sfpi_obj = sff8436InterfaceId(eeprom_ifraw)
|
|
if sfpi_obj is not None:
|
|
sfp_data['interface'] = sfpi_obj.get_data_pretty()
|
|
|
|
sfpd_obj = sff8436Dom(eeprom_ifraw)
|
|
if sfpd_obj is not None:
|
|
sfp_data['dom'] = sfpd_obj.get_data_pretty()
|
|
return sfp_data
|
|
|
|
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
|
|
|
|
def get_transceiver_change_event(self):
|
|
"""
|
|
TODO: This function need to be implemented
|
|
when decide to support monitoring SFP(Xcvrd)
|
|
on this platform.
|
|
"""
|
|
raise NotImplementedError
|