Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[Mellanox] fix the issue that failing to test whether dom supported prior to reading dom data #3120

Merged
merged 3 commits into from
Jul 6, 2019
Merged

[Mellanox] fix the issue that failing to test whether dom supported prior to reading dom data #3120

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
e62875b
fix the issue Bug SW #1816356 which is due to failing to test whether…
Jul 4, 2019
23bf698
use pre-defined variable to avoid magic number.
Jul 5, 2019
213595f
fix comments
Jul 5, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 14 additions & 4 deletions device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,11 @@
except ImportError as e:
raise ImportError("%s - required module not found" % str(e))

# sfp supports dom
XCVR_DOM_CAPABILITY_DOM_SUPPORT_BIT = 0x40
# I2C page size for sfp
SFP_I2C_PAGE_SIZE = 256

# parameters for DB connection
REDIS_HOSTNAME = "localhost"
REDIS_PORT = 6379
Expand Down Expand Up @@ -514,14 +519,19 @@ def get_transceiver_dom_info_dict(self, port_num):
transceiver_dom_info_dict['tx4bias'] = dom_channel_monitor_data['data']['TX4Bias']['value']

else:
offset = 256
offset = SFP_I2C_PAGE_SIZE

eeprom_raw = ['0'] * 256
eeprom_raw[92:92+16] = self._read_eeprom_specific_bytes_via_ethtool(port_num, 92, 16)
eeprom_raw = ['0'] * SFP_I2C_PAGE_SIZE
eeprom_raw[XCVR_DOM_CAPABILITY_OFFSET : XCVR_DOM_CAPABILITY_OFFSET + XCVR_DOM_CAPABILITY_WIDTH] = \
self._read_eeprom_specific_bytes_via_ethtool(port_num, XCVR_DOM_CAPABILITY_OFFSET, XCVR_DOM_CAPABILITY_WIDTH)
sfp_obj = sff8472InterfaceId()
calibration_type = sfp_obj._get_calibration_type(eeprom_raw)

eeprom_domraw = self._read_eeprom_specific_bytes_via_ethtool(port_num, offset, 256)
dom_supported = (int(eeprom_raw[XCVR_DOM_CAPABILITY_OFFSET], 16) & XCVR_DOM_CAPABILITY_DOM_SUPPORT_BIT != 0)
if not dom_supported:
return transceiver_dom_info_dict

eeprom_domraw = self._read_eeprom_specific_bytes_via_ethtool(port_num, offset, SFP_I2C_PAGE_SIZE)
if eeprom_domraw is None:
return transceiver_dom_info_dict

Expand Down