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Subject[PATCH net-next] net: sfp: add quirk for ODI DFP-34X-2C2 GPON ONU SFP
Date
     DFP-34X-2C2 is a GPON spf module working at both 1000baseX
and 2500baseX.
Setting the module to LAN_SDS_MODE=6 the module is working
at 2500baseX with auto negotiation see at
https://hack-gpon.org/ont-odi-realtek-dfp-34x-2c2/
Unfortunatly the module's PHY is accessible at 1000baseX only.
ethtool returning:
Supported ports: [ Fibre ]
Supported link modes: 1000baseX/Full

After applying the quirk:
Supported ports: [ Fibre ]
Supported link modes: 1000baseX/Full
2500baseX/Full
Tested on BANANA PI R3 in OpenWRT v 23.05.2 Kernel 5.15.137
Tested on sfp to ethernet Media Converter.
Autonegotiating 1000baseX or 2500baseX according to the
connected host speed.

This module is existing in 2 versions:
Vendor = "ODI"
Vendor = "OEM"
This is the patch for vendor "ODI"

Patch has been inserted keeping the list in alphabetical order
first by vendor first and then by part string.

Signed-off-by: Sergio Palumbo <palumbo.ser@outlook.it>
---
drivers/net/phy/sfp.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index 3c0028a4af92..410375bc6b94 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -495,6 +495,9 @@ static const struct sfp_quirk sfp_quirks[] = {
// 2500MBd NRZ in their EEPROM
SFP_QUIRK_M("Lantech", "8330-262D-E", sfp_quirk_2500basex),

+ // ODI DFP-34X-2C2 GPON ONU support 2500base-X
+ SFP_QUIRK_M("ODI", "DFP-34X-2C2", sfp_quirk_2500basex),
+
SFP_QUIRK_M("UBNT", "UF-INSTANT", sfp_quirk_ubnt_uf_instant),

// Walsun HXSX-ATR[CI]-1 don't identify as copper, and use the
--
2.34.1

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