[Cables] Add support for 'Extended Specification Compliance' for QSFP…

… cables (sonic-net#108)

Parse 'Extended Specification Compliance' field from EEPROM and add it to DB, if exist

Signed-off-by: Shlomi Bitton <shlomibi@mellanox.com>

sonic_platform_base/sonic_sfp/sff8024.py

@@ -300,3 +300,60 @@
     '04': '10GBASE-T (Clause 55)',
     }
 
+ext_specification_compliance = {
+    '00': 'Unspecified',
+    '01': '100G AOC (Active Optical Cable) or 25GAUI C2M AOC',
+    '02': '100GBASE-SR4 or 25GBASE-SR',
+    '03': '100GBASE-LR4 or 25GBASE-LR',
+    '04': '100GBASE-ER4 or 25GBASE-ER',
+    '05': '100GBASE-SR10',
+    '06': '100G CWDM4',
+    '07': '100G PSM4 Parallel SMF',
+    '08': '100G ACC (Active Copper Cable) or 25GAUI C2M ACC',
+    '09': 'Obsolete (assigned before 100G CWDM4 MSA required FEC)',
+    '0b': '100GBASE-CR4, 25GBASE-CR CA-25G-L or 50GBASE-CR2 with RS',
+    '0c': '25GBASE-CR CA-25G-S or 50GBASE-CR2 with BASE-R',
+    '0d': '25GBASE-CR CA-25G-N or 50GBASE-CR2 with no FEC',
+    '10': '40GBASE-ER4',
+    '11': '4 x 10GBASE-SR',
+    '12': '40G PSM4 Parallel SMF',
+    '13': 'G959.1 profile P1I1-2D1 (10709 MBd, 2km, 1310 nm SM)',
+    '14': 'G959.1 profile P1S1-2D2 (10709 MBd, 40km, 1550 nm SM)',
+    '15': 'G959.1 profile P1L1-2D2 (10709 MBd, 80km, 1550 nm SM)',
+    '16': '10GBASE-T with SFI electrical interface',
+    '17': '100G CLR4',
+    '18': '100G AOC or 25GAUI C2M AOC',
+    '19': '100G ACC or 25GAUI C2M ACC',
+    '1a': '100GE-DWDM2',
+    '1b': '100G 1550nm WDM',
+    '1c': '10GBASE-T Short Reach',
+    '1d': '5GBASE-T',
+    '1e': '2.5GBASE-T',
+    '1f': '40G SWDM4',
+    '20': '100G SWDM4',
+    '21': '100G PAM4 BiDi',
+    '22': '4WDM-10 MSA',
+    '23': '4WDM-20 MSA',
+    '24': '4WDM-40 MSA',
+    '25': '100GBASE-DR',
+    '26': '100G-FR or 100GBASE-FR1',
+    '27': '100G-LR or 100GBASE-LR1',
+    '30': 'Active Copper Cable with 50GAUI, 100GAUI-2 or 200GAUI-4 C2M. Providing a worst BER of 10-6 or below',
+    '31': 'Active Optical Cable with 50GAUI, 100GAUI-2 or 200GAUI-4 C2M. Providing a worst BER of 10-6 or below',
+    '32': 'Active Copper Cable with 50GAUI, 100GAUI-2 or 200GAUI-4 C2M. Providing a worst BER of 2.6x10-4 for ACC, 10-5 for AUI, or below',
+    '33': 'Active Optical Cable with 50GAUI, 100GAUI-2 or 200GAUI-4 C2M. Providing a worst BER of 2.6x10-4 for AOC, 10-5 for AUI, or below',
+    '40': '50GBASE-CR, 100GBASE-CR2, or 200GBASE-CR4',
+    '41': '50GBASE-SR, 100GBASE-SR2, or 200GBASE-SR4',
+    '42': '50GBASE-FR or 200GBASE-DR4',
+    '43': '200GBASE-FR4',
+    '44': '200G 1550 nm PSM4',
+    '45': '50GBASE-LR',
+    '46': '200GBASE-LR4',
+    '50': '64GFC EA',
+    '51': '64GFC SW',
+    '52': '64GFC LW',
+    '53': '128GFC EA',
+    '54': '128GFC SW',
+    '55': '128GFC LW'
+}
+

sonic_platform_base/sonic_sfp/sff8436.py

@@ -17,6 +17,7 @@
     from math import log10
     from .sff8024 import type_of_transceiver    # Dot module supports both Python 2 and Python 3 using explicit relative import methods
     from .sff8024 import type_abbrv_name    # Dot module supports both Python 2 and Python 3 using explicit relative import methods
+    from .sff8024 import ext_specification_compliance    # Dot module supports both Python 2 and Python 3 using explicit relative import methods
     from .sffbase import sffbase    # Dot module supports both Python 2 and Python 3 using explicit relative import methods
 except ImportError as e:
     raise ImportError (str(e) + "- required module not found")
@@ -372,6 +373,11 @@ class sff8436InterfaceId(sffbase):
                 {'offset' : 3,
                  'type' : 'nested',
                  'decode' : specification_compliance},
+            'Extended Specification compliance':
+                {'offset' : 64,
+                 'size':1,
+                 'type' : 'enum',
+                 'decode' : ext_specification_compliance},
             'EncodingCodes':
                 {'offset':11,
                  'size':1,