147 lines
4.0 KiB
Python
Executable File
147 lines
4.0 KiB
Python
Executable File
# 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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import os
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import sys, getopt
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from minipack.pimutil import PimUtil
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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 = 128
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LOCAL_OOM_PATH = "/usr/local/bin/minipack_qsfp/port%d_eeprom"
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_port_to_is_present = {}
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_port_to_lp_mode = {}
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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(self.PORT_START, self.PORT_END + 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 sfp_map(self, index):
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port = index + 1
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base = ((port-1)/8*8) + 10
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index = (port - 1) % 8
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index = 7 - index
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if (index%2):
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index = index -1
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else:
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index = index +1
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bus = base + index
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return bus
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def __init__(self):
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for x in range(0, self.port_end):
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self.port_to_eeprom_mapping[x] = self.LOCAL_OOM_PATH %x
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SfpUtilBase.__init__(self)
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pim=PimUtil()
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pim.init_pim_fpga()
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def __del__(self):
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self.value=0
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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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pim=PimUtil()
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status=pim.get_qsfp_presence(port_num)
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return status
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def get_low_power_mode(self, 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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pim=PimUtil()
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return pim.get_low_power_mode(port_num)
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def set_low_power_mode(self, port_num, lpmode):
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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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pim=PimUtil()
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pim.set_low_power_mode(port_num, lpmode)
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return True
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def reset(self, 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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pim=PimUtil()
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pim.reset(port_num)
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return True
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def get_transceiver_change_event(self, timeout=0):
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pim=PimUtil()
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start_time = time.time()
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port_dict = {}
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forever = False
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if timeout == 0:
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forever = True
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elif timeout > 0:
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timeout = timeout / float(1000) # Convert to secs
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else:
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print "get_transceiver_change_event:Invalid timeout value", timeout
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return False, {}
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end_time = start_time + timeout
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if start_time > end_time:
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print 'get_transceiver_change_event:' \
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'time wrap / invalid timeout value', timeout
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return False, {} # Time wrap or possibly incorrect timeout
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while timeout >= 0:
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change_status=0
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port_dict = pim.get_qsfp_interrupt()
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present=0
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for key, value in port_dict.iteritems():
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if value==1:
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present=self.get_presence(key)
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change_status=1
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if present:
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port_dict[key]='1'
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else:
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port_dict[key]='0'
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if change_status:
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return True, port_dict
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if forever:
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time.sleep(1)
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else:
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timeout = end_time - time.time()
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if timeout >= 1:
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time.sleep(1) # We poll at 1 second granularity
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else:
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if timeout > 0:
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time.sleep(timeout)
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return True, {}
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print "get_evt_change_event: Should not reach here."
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return False, {}
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