Skip to content

Commit

Permalink
Fix issue: Exception occured at SfpStateUpdateTask thread due to KeyE…
Browse files Browse the repository at this point in the history 
…rror('status') (#346)

* Fix issue: Exception occured at SfpStateUpdateTask thread due to KeyError('status')

* Remove unused code

* Update xcvrd.py
  • Loading branch information
@Junchao-Mellanox
Junchao-Mellanox authored Mar 29, 2023
1 parent 11d438a commit 3d9cca6
Show file tree
Hide file tree
Showing 2 changed files with 41 additions and 90 deletions.
10 changes: 0 additions & 10 deletions sonic-xcvrd/tests/test_xcvrd.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1150,16 +1150,6 @@ class MockTable:
task.xcvr_table_helper.get_dom_threshold_tbl = mock_table_helper.get_dom_threshold_tbl
port_change_event = PortChangeEvent('Ethernet0', 1, 0, PortChangeEvent.PORT_ADD)
task.port_mapping.handle_port_change_event(port_change_event)
# SFP information is in the DB, copy the SFP information for the newly added logical port
task.on_add_logical_port(port_change_event)
status_tbl.get.assert_called_with('Ethernet0')
status_tbl.set.assert_called_with('Ethernet0', (('status', SFP_STATUS_INSERTED),))
int_tbl.get.assert_called_with('Ethernet0')
int_tbl.set.assert_called_with('Ethernet0', (('key2', 'value2'),))
dom_tbl.get.assert_called_with('Ethernet0')
dom_tbl.set.assert_called_with('Ethernet0', (('key3', 'value3'),))
dom_threshold_tbl.get.assert_called_with('Ethernet0')
dom_threshold_tbl.set.assert_called_with('Ethernet0', (('key4', 'value4'),))

status_tbl.get.return_value = (False, ())
mock_get_presence.return_value = True
Expand Down
121 changes: 41 additions & 80 deletions sonic-xcvrd/xcvrd/xcvrd.py
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2115,99 +2115,60 @@ def on_add_logical_port(self, port_change_event):
dict: key is logical port name, value is SFP status
"""
# A logical port is created. There could be 3 cases:
# 1. SFP information is already in DB, which means that a logical port with the same physical index is in DB before.
# Need copy the data from existing logical port and insert it into TRANSCEIVER_DOM_INFO, TRANSCEIVER_STATUS_INFO
# and TRANSCEIVER_INFO table.
# 2. SFP information is not in DB and SFP is present with no SFP error. Need query the SFP status by platform API and
# 1. SFP is present with no SFP error. Need query the SFP status by platform API and
# insert the data to DB.
# 3. SFP information is not in DB and SFP is present with SFP error. If the SFP error does not block EEPROM reading,
# 2. SFP is present with SFP error. If the SFP error does not block EEPROM reading,
# just query transceiver information and DOM sensor information via platform API and update the data to DB; otherwise,
# just update TRANSCEIVER_STATUS table with the error.
# 4. SFP information is not in DB and SFP is not present. Only update TRANSCEIVER_STATUS_INFO table.
logical_port_event_dict = {}
sfp_status = None
sibling_port = None
# 3. SFP is not present. Only update TRANSCEIVER_STATUS_INFO table.
status_tbl = self.xcvr_table_helper.get_status_tbl(port_change_event.asic_id)
int_tbl = self.xcvr_table_helper.get_intf_tbl(port_change_event.asic_id)
dom_tbl = self.xcvr_table_helper.get_dom_tbl(port_change_event.asic_id)
dom_threshold_tbl = self.xcvr_table_helper.get_dom_threshold_tbl(port_change_event.asic_id)
pm_tbl = self.xcvr_table_helper.get_pm_tbl(port_change_event.asic_id)
physical_port_list = self.port_mapping.logical_port_name_to_physical_port_list(port_change_event.port_name)

# Try to find a logical port with same physical index in DB
for physical_port in physical_port_list:
logical_port_list = self.port_mapping.get_physical_to_logical(physical_port)
if not logical_port_list:
continue
error_description = 'N/A'
status = None
read_eeprom = True
if port_change_event.port_index in self.sfp_error_dict:
value, error_dict = self.sfp_error_dict[port_change_event.port_index]
status = value
error_bits = int(value)
helper_logger.log_info("Got SFP error event {}".format(value))

for logical_port in logical_port_list:
found, sfp_status = status_tbl.get(logical_port)
if found:
sibling_port = logical_port
break

if sfp_status:
break
error_descriptions = sfp_status_helper.fetch_generic_error_description(error_bits)

if sfp_status:
# SFP information is in DB
status_tbl.set(port_change_event.port_name, sfp_status)
logical_port_event_dict[port_change_event.port_name] = dict(sfp_status)['status']
found, sfp_info = int_tbl.get(sibling_port)
if found:
int_tbl.set(port_change_event.port_name, sfp_info)
found, dom_info = dom_tbl.get(sibling_port)
if found:
dom_tbl.set(port_change_event.port_name, dom_info)
found, dom_threshold_info = dom_threshold_tbl.get(sibling_port)
if found:
dom_threshold_tbl.set(port_change_event.port_name, dom_threshold_info)
else:
error_description = 'N/A'
status = None
read_eeprom = True
if port_change_event.port_index in self.sfp_error_dict:
value, error_dict = self.sfp_error_dict[port_change_event.port_index]
status = value
error_bits = int(value)
helper_logger.log_info("Got SFP error event {}".format(value))

error_descriptions = sfp_status_helper.fetch_generic_error_description(error_bits)

if sfp_status_helper.has_vendor_specific_error(error_bits):
if error_dict:
vendor_specific_error_description = error_dict.get(port_change_event.port_index)
else:
vendor_specific_error_description = _wrapper_get_sfp_error_description(port_change_event.port_index)
error_descriptions.append(vendor_specific_error_description)

error_description = '|'.join(error_descriptions)
helper_logger.log_info("Receive error update port sfp status table.")
if sfp_status_helper.is_error_block_eeprom_reading(error_bits):
read_eeprom = False

# SFP information not in DB
if _wrapper_get_presence(port_change_event.port_index) and read_eeprom:
logical_port_event_dict[port_change_event.port_name] = sfp_status_helper.SFP_STATUS_INSERTED
transceiver_dict = {}
status = sfp_status_helper.SFP_STATUS_INSERTED if not status else status
rc = post_port_sfp_info_to_db(port_change_event.port_name, self.port_mapping, int_tbl, transceiver_dict)
if rc == SFP_EEPROM_NOT_READY:
# Failed to read EEPROM, put it to retry set
self.retry_eeprom_set.add(port_change_event.port_name)
if sfp_status_helper.has_vendor_specific_error(error_bits):
if error_dict:
vendor_specific_error_description = error_dict.get(port_change_event.port_index)
else:
post_port_dom_info_to_db(port_change_event.port_name, self.port_mapping, dom_tbl)
post_port_dom_threshold_info_to_db(port_change_event.port_name, self.port_mapping, dom_threshold_tbl)
update_port_transceiver_status_table_hw(port_change_event.port_name,
self.port_mapping,
status_tbl)
post_port_pm_info_to_db(port_change_event.port_name, self.port_mapping, pm_tbl)
notify_media_setting(port_change_event.port_name, transceiver_dict, self.xcvr_table_helper.get_app_port_tbl(port_change_event.asic_id), self.port_mapping)
vendor_specific_error_description = _wrapper_get_sfp_error_description(port_change_event.port_index)
error_descriptions.append(vendor_specific_error_description)

error_description = '|'.join(error_descriptions)
helper_logger.log_info("Receive error update port sfp status table.")
if sfp_status_helper.is_error_block_eeprom_reading(error_bits):
read_eeprom = False

# SFP information not in DB
if _wrapper_get_presence(port_change_event.port_index) and read_eeprom:
transceiver_dict = {}
status = sfp_status_helper.SFP_STATUS_INSERTED if not status else status
rc = post_port_sfp_info_to_db(port_change_event.port_name, self.port_mapping, int_tbl, transceiver_dict)
if rc == SFP_EEPROM_NOT_READY:
# Failed to read EEPROM, put it to retry set
self.retry_eeprom_set.add(port_change_event.port_name)
else:
status = sfp_status_helper.SFP_STATUS_REMOVED if not status else status
logical_port_event_dict[port_change_event.port_name] = status
update_port_transceiver_status_table_sw(port_change_event.port_name, status_tbl, status, error_description)
return logical_port_event_dict
post_port_dom_info_to_db(port_change_event.port_name, self.port_mapping, dom_tbl)
post_port_dom_threshold_info_to_db(port_change_event.port_name, self.port_mapping, dom_threshold_tbl)
update_port_transceiver_status_table_hw(port_change_event.port_name,
self.port_mapping,
status_tbl)
post_port_pm_info_to_db(port_change_event.port_name, self.port_mapping, pm_tbl)
notify_media_setting(port_change_event.port_name, transceiver_dict, self.xcvr_table_helper.get_app_port_tbl(port_change_event.asic_id), self.port_mapping)
else:
status = sfp_status_helper.SFP_STATUS_REMOVED if not status else status
update_port_transceiver_status_table_sw(port_change_event.port_name, status_tbl, status, error_description)

def retry_eeprom_reading(self):
"""Retry EEPROM reading, if retry succeed, remove the logical port from the retry set
Expand Down

0 comments on commit 3d9cca6

Please sign in to comment.