145 lines
3.9 KiB
Python
Executable File
145 lines
3.9 KiB
Python
Executable File
# sfputil.py
|
|
#
|
|
# Platform-specific SFP transceiver interface for SONiC
|
|
#
|
|
|
|
try:
|
|
import time
|
|
import os
|
|
import sys, getopt
|
|
import commands
|
|
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
|
|
|
|
BASE_OOM_PATH = "/sys/bus/i2c/devices/{0}-0050/"
|
|
BASE_CPLD_PATH = "/sys/bus/i2c/devices/0-0060/"
|
|
BASE_I2C_PATH = "/sys/bus/i2c/devices/"
|
|
|
|
_port_to_is_present = {}
|
|
_port_to_lp_mode = {}
|
|
|
|
_port_to_eeprom_mapping = {}
|
|
_port_to_i2c_mapping = {
|
|
0: [1, 29],
|
|
1: [2, 30],
|
|
2: [3, 31],
|
|
3: [4, 32],
|
|
4: [5, 34],
|
|
5: [6, 33],
|
|
6: [7, 36],
|
|
7: [8, 35],
|
|
8: [9, 25],
|
|
9: [10, 26],
|
|
10: [11, 27],
|
|
11: [12, 28],
|
|
12: [14, 37],
|
|
13: [15, 38],
|
|
14: [16, 39],
|
|
15: [17, 40],
|
|
16: [18, 41],
|
|
17: [19, 42],
|
|
18: [20, 43],
|
|
19: [21, 44],
|
|
20: [22, 53],
|
|
21: [23, 54],
|
|
22: [24, 55],
|
|
23: [25, 56],
|
|
24: [26, 45],
|
|
25: [27, 46],
|
|
26: [28, 47],
|
|
27: [29, 48],
|
|
28: [30, 49],
|
|
29: [31, 50],
|
|
30: [32, 51],
|
|
31: [33, 52],
|
|
}
|
|
|
|
@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, self.PORTS_IN_BLOCK + 1)
|
|
|
|
@property
|
|
def port_to_eeprom_mapping(self):
|
|
return self._port_to_eeprom_mapping
|
|
|
|
def get_presence(self, port_num):
|
|
# Check for invalid port_num
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
present_path = self.BASE_CPLD_PATH + "module_present_" + str(port_num+1)
|
|
self.__port_to_is_present = present_path
|
|
|
|
try:
|
|
val_file = open(self.__port_to_is_present)
|
|
except IOError as e:
|
|
print "Error: unable to open file: %s" % str(e)
|
|
return False
|
|
|
|
content = val_file.readline().rstrip()
|
|
val_file.close()
|
|
|
|
# content is a string, either "0" or "1"
|
|
if content == "1":
|
|
return True
|
|
|
|
return False
|
|
|
|
def __init__(self):
|
|
eeprom_path = self.BASE_I2C_PATH
|
|
|
|
for x in range(0, self.port_end+1):
|
|
self.port_to_eeprom_mapping[x] = eeprom_path.format(
|
|
self._port_to_i2c_mapping[x][1]
|
|
)
|
|
if(x < 9):
|
|
if(self.get_presence(x)==1):
|
|
self.port_to_eeprom_mapping[x] = self.BASE_I2C_PATH + "0-000" +str(x+1) + "/eeprom"
|
|
|
|
else:
|
|
if(self.get_presence(x)==1):
|
|
self.port_to_eeprom_mapping[x] = self.BASE_I2C_PATH + "0-00" +str(x+1)+ "/eeprom"
|
|
|
|
SfpUtilBase.__init__(self)
|
|
|
|
|
|
|
|
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):
|
|
if port_num < self.port_start or port_num > self.port_end:
|
|
return False
|
|
|
|
mod_rst_cmd = "ipmitool raw 0x34 0x11 " + str(port_num+1) + " 0x11 0x1"
|
|
(status, output) = commands.getstatusoutput (mod_rst_cmd)
|
|
return True
|
|
|
|
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
|