936749c44f
* Add new CIG device CS6436-54P and CS5435-54P, also update code for CS6436-56P * security kernel update to 4.9.189 for CIG devices * security kernel update to 4.9.189 for CIG devices * Update rules Update rule file
253 lines
6.4 KiB
Python
Executable File
253 lines
6.4 KiB
Python
Executable File
#!/usr/bin/env python
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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, 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 SfpUtill class"""
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_port_start = 1
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_port_end = 56
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_qsfp_port_start = 49
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_ports_in_block = 56
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_port_to_eeprom_mapping = {}
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_global_port_pres_dict = {}
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_port_to_i2c_mapping = {
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1 : 8,
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2 : 9,
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3 : 10,
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4 : 11,
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5 : 12,
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6 : 13,
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7 : 14,
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8 : 15,
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9 : 16,
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10: 17,
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11 : 18,
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12 : 19,
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13 : 20,
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14 : 21,
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15 : 22,
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16 : 23,
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17 : 24,
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18 : 25,
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19 : 26,
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20 : 27,
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21 : 28,
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22 : 29,
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23 : 30,
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24 : 31,
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25 : 32,
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26 : 33,
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27 : 34,
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28 : 35,
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29 : 36,
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30 : 37,
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31 : 38,
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32 : 39,
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33 : 40,
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34 : 41,
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35 : 42,
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36 : 43,
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37 : 44,
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38 : 45,
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39 : 46,
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40 : 47,
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41 : 48,
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42 : 49,
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43 : 50,
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44 : 51,
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45 : 52,
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46 : 53,
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47 : 54,
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48 : 55,
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49 : 56,
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50 : 57,
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51 : 58,
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52 : 59,
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53 : 60,
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54 : 61,
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55 : 62,
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56 : 63,
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}
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_qsfp_ports = range(_qsfp_port_start, _ports_in_block + 1)
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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(self._port_to_i2c_mapping[port_num])
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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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try:
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reg_value = reg_file.readline().rstrip()
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except IOError as e:
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time.sleep(1)
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try:
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reg_value = reg_file.readline().rstrip()
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except IOError as e:
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print "Error:try again to read file failed: %s %s" % (str(e), port_ps)
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reg_file.close()
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return False
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reg_file.close()
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if reg_value == '1':
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return True
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reg_file.close()
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if reg_value == '1':
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return True
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return False
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def init_global_port_presence(self):
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for port_num in range(self.port_start, (self.port_end + 1)):
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self._global_port_pres_dict[port_num] = '0'
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def __init__(self):
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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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port_eeprom_path = eeprom_path.format(self._port_to_i2c_mapping[x])
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self._port_to_eeprom_mapping[x] = port_eeprom_path
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self.init_global_port_presence()
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SfpUtilBase.__init__(self)
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def reset(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_port_reset"
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port_ps = path.format(self._port_to_i2c_mapping[port_num])
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try:
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reg_file = open(port_ps, 'w')
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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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#toggle reset
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reg_file.seek(0)
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reg_file.write('1')
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time.sleep(1)
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reg_file.seek(0)
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reg_file.write('0')
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reg_file.close()
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return True
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def set_low_power_mode(self, port_num, lpmode):
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# Check for invalid port_num
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if port_num < self._qsfp_port_start or port_num > self._port_end:
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return False
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pre_value = self.get_presence(port_num)
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if pre_value == False:
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return False
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path = "/sys/bus/i2c/devices/{0}-0050/sfp_lpmode"
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port_ps = path.format(self._port_to_i2c_mapping[port_num])
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try:
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reg_file = open(port_ps,'w')
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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_file.seek(0)
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if lpmode == 1:
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reg_file.write('1')
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elif lpmode == 0:
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reg_file.write('0')
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reg_file.close()
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return True
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def get_low_power_mode(self, port_num):
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# Check for invalid port_num
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if port_num < self._qsfp_port_start or port_num > self._port_end:
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return False
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pre_value = self.get_presence(port_num)
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if pre_value == False:
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return False
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path = "/sys/bus/i2c/devices/{0}-0050/sfp_lpmode"
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port_ps = path.format(self._port_to_i2c_mapping[port_num])
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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 %s" % (str(e), port_ps)
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return False
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try:
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reg_value = reg_file.readline().rstrip()
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except IOError as e:
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print "Error: unable to open file:%s %s" % (str(e), port_ps)
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reg_file.close()
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return False
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reg_file.close()
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if reg_value == '1':
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return True
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return False
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def get_transceiver_change_event(self):
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port_dict = {}
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while True:
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for port_num in range(self.port_start, (self.port_end + 1)):
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presence = self.get_presence(port_num)
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if(presence and self._global_port_pres_dict[port_num] == '0'):
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self._global_port_pres_dict[port_num] = '1'
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port_dict[port_num] = '1'
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elif(not presence and
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self._global_port_pres_dict[port_num] == '1'):
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self._global_port_pres_dict[port_num] = '0'
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port_dict[port_num] = '0'
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if(len(port_dict) > 0):
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return True, port_dict
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time.sleep(0.5)
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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 self._qsfp_ports
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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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