def is_sfp_plus(eeprom):
# Determine by exclusion.
# Byte 0 = 0x03 can be SFP, SFP+, SFP28
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x03:
return False
# If rj45, can only be sfp or sfp+
if read_eeprom_byte(eeprom, media_eeprom_address(offset=2)) == 0x22:
return not is_sfp(eeprom)
return not is_sfp(eeprom) and not is_sfp28(eeprom)
def is_sfp28(eeprom):
# Byte 0: bits 0-7: Identifier = 0x03 -> Still ambiguous
# Byte 36: bits 0-7: Extended Spec Compliance has to be in set (0x01, 0x02, 0x03,0x04, 0x08, 0x0B, 0x0C,0x0D,0x18, 0x19)
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x03:
return False
if read_eeprom_byte(eeprom, media_eeprom_address(offset=36)) not in [0x01, 0x02, 0x03,0x04, 0x08, 0x0B, 0x0C,0x0D,0x18, 0x19]:
return False
if read_eeprom_byte(eeprom, media_eeprom_address(offset=2)) == 0x22:
return False
return True
def is_qsfp28_dd(eeprom):
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x18:
return False
# Ideally 200G should not be coded with ver 3.0
if get_cmis_version(eeprom) >= 0x30:
return False
return True
def is_sfp(eeprom):
# Conditions:
# Byte 0: bits 0-7: Identifier = 0x03, 0x0B -> Still ambiguous
# Byte 3: bits 4-7: 10G Compliance = 0 -> Still ambiguous
# Max FC Speed <= 1200mbps -> Still ambiguous
# Byte 6: 1G Eth Compliance != 0
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x03:
return False
if read_eeprom_byte(eeprom, media_eeprom_address(offset=3)) & set_bits([4,5,6,7]):
return False
if get_max_fc_speed(read_eeprom_byte(eeprom, media_eeprom_address(offset=10))) > 1200:
return False
if read_eeprom_byte(eeprom, media_eeprom_address(offset=6)) == 0:
return False
return True
def is_sfp56_dd(eeprom):
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x1A:
return False
return True
def is_qsfp56_dd(eeprom):
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x18:
return False
return not is_qsfp28_dd(eeprom)
def is_qsfp28(eeprom):
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) != 0x11:
return False
return True
def is_qsfp_plus(eeprom):
if read_eeprom_byte(eeprom, media_eeprom_address(offset=0)) not in [0x0C, 0x0D, 0x1E]:
return False
return True
