sonic-buildimage/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py
lguohan 9aa906a0a0 [devices]: modify sfputil plugins for mellanox devices for new platform API (#916)
get presence, get/set lpmode, reset are not implemented
2017-08-25 10:55:11 -07:00

63 lines
1.3 KiB
Python

# sfputil.py
#
# Platform-specific SFP transceiver interface for SONiC
#
try:
import time
from sonic_sfp.sfputilbase import SfpUtilBase
except ImportError as e:
raise ImportError("%s - required module not found" % str(e))
class SfpUtil(SfpUtilBase):
"""Platform-specific SfpUtil class"""
PORT_START = 0
PORT_END = 31
PORTS_IN_BLOCK = 32
EEPROM_OFFSET = 1
_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(0, self.PORTS_IN_BLOCK + 1)
@property
def port_to_eeprom_mapping(self):
return self._port_to_eeprom_mapping
def __init__(self):
eeprom_path = "/bsp/qsfp/qsfp{0}"
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):
raise NotImplementedError
def get_low_power_mode(self, port_num):
raise NotImplementedError
def set_low_power_mode(self, port_num, lpmode):
raise NotImplementedError
def reset(self, port_num):
raise NotImplementedError