73 lines
1.8 KiB
Python
73 lines
1.8 KiB
Python
#! /usr/bin/python
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try:
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from sonic_sfp.sfputilbase import SfpUtilBase
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except ImportError, e:
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raise ImportError (str(e) + "- required module not found")
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class SfpUtil(SfpUtilBase):
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"""Platform specific sfputil class"""
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_port_start = 0
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_port_end = 31
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ports_in_block = 32
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_port_to_eeprom_mapping = {}
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_qsfp_ports = range(0, ports_in_block + 1)
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def __init__(self):
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# Override port_to_eeprom_mapping for class initialization
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eeprom_path = '/sys/bus/i2c/devices/{0}-0050/sfp_eeprom'
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for x in range(self.port_start, self.port_end + 1):
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self._port_to_eeprom_mapping[x] = eeprom_path.format(x + 18)
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SfpUtilBase.__init__(self)
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def reset(self, port_num):
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raise NotImplementedErro
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def set_low_power_mode(self, port_nuM, lpmode):
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raise NotImplementedErro
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def get_low_power_mode(self, port_num):
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raise NotImplementedErro
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def get_presence(self, port_num):
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# Check for invalid port_num
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if port_num < self._port_start or port_num > self._port_end:
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return False
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path = "/sys/bus/i2c/devices/{0}-0050/sfp_is_present"
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port_ps = path.format(port_num+18)
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try:
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reg_file = open(port_ps)
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except IOError as e:
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print "Error: unable to open file: %s" % str(e)
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return False
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reg_value = reg_file.readline().rstrip()
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if reg_value == '1':
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return True
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return False
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@property
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def port_start(self):
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return self._port_start
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@property
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def port_end(self):
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return self._port_end
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@property
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def qsfp_ports(self):
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return range(0, self.ports_in_block + 1)
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@property
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def port_to_eeprom_mapping(self):
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return self._port_to_eeprom_mapping
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