78 lines
1.7 KiB
Python
78 lines
1.7 KiB
Python
# sfputil.py
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#
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# Platform-specific SFP transceiver interface for SONiC
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#
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try:
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import time
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from sonic_sfp.sfputilbase import SfpUtilBase
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except ImportError as e:
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raise ImportError("%s - required module not found" % str(e))
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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 = 55
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PORTS_IN_BLOCK = 56
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EEPROM_OFFSET = 1
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_port_to_eeprom_mapping = {}
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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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def __init__(self):
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eeprom_path = "/bsp/qsfp/qsfp{0}"
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for x in range(0, self.port_end + 1):
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self._port_to_eeprom_mapping[x] = eeprom_path.format(x + self.EEPROM_OFFSET)
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SfpUtilBase.__init__(self)
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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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try:
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reg_file = open("/bsp/qsfp/qsfp%d_status" % (port_num+1))
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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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content = reg_file.readline().rstrip()
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# content is a string with the qsfp status
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if content == "good":
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return True
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return False
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def get_low_power_mode(self, port_num):
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raise NotImplementedError
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def set_low_power_mode(self, port_num, lpmode):
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raise NotImplementedError
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def reset(self, port_num):
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raise NotImplementedError
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