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net: sfp: add quirk for Lantech 8330-265D

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Similar to Lantech 8330-262D-E, the Lantech 8330-265D also reports
2500MBd instead of 3125MBd.

Also, all 8330-265D report normal RX_LOS in EEPROM, but some signal
inverted RX_LOS. We therefore need to ignore RX_LOS on these modules.

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20260128170044.15576-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Marek Behún 2026-01-28 18:00:44 +01:00 committed by Jakub Kicinski
parent 988719c5ea
commit 86a8e8e0dd
1 changed files with 6 additions and 2 deletions
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8
drivers/net/phy/sfp.c
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@ -530,9 +530,13 @@ static const struct sfp_quirk sfp_quirks[] = {
SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex,
sfp_fixup_ignore_tx_fault),
// Lantech 8330-262D-E can operate at 2500base-X, but incorrectly report
// 2500MBd NRZ in their EEPROM
// Lantech 8330-262D-E and 8330-265D can operate at 2500base-X, but
// incorrectly report 2500MBd NRZ in their EEPROM.
// Some 8330-265D modules have inverted LOS, while all of them report
// normal LOS in EEPROM. Therefore we need to ignore LOS entirely.
SFP_QUIRK_S("Lantech", "8330-262D-E", sfp_quirk_2500basex),
SFP_QUIRK("Lantech", "8330-265D", sfp_quirk_2500basex,
sfp_fixup_ignore_los),
SFP_QUIRK_S("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant),