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| author |   Robert Hancock <robert.hancock@calian.com> | 2020-10-28 11:15:40 -0600 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2020-10-30 17:11:44 -0700 |
| commit | 1887023a5e96f98249574e0785b7aa2e5742ca68 (patch) | |
| tree | 1b53385bb4124cda8b436468232516fe86da13f7 /drivers/net/ethernet/dec/tulip/de2104x.c | |
| parent | Merge branch 'sctp-implement-rfc6951-udp-encapsulation-of-sctp' (diff) | |
| download | wireguard-linux-1887023a5e96f98249574e0785b7aa2e5742ca68.tar.xz wireguard-linux-1887023a5e96f98249574e0785b7aa2e5742ca68.zip | |
net: phy: marvell: add special handling of Finisar modules with 88E1111
The Finisar FCLF8520P2BTL 1000BaseT SFP module uses a Marvel 88E1111 PHY
with a modified PHY ID. Add support for this ID using the 88E1111
methods.
By default these modules do not have 1000BaseX auto-negotiation enabled,
which is not generally desirable with Linux networking drivers. Add
handling to enable 1000BaseX auto-negotiation when these modules are
used in 1000BaseX mode. Also, some special handling is required to ensure
that 1000BaseT auto-negotiation is enabled properly when desired.
Based on existing handling in the AMD xgbe driver and the information in
the Finisar FAQ:
https://www.finisar.com/sites/default/files/resources/an-2036_1000base-t_sfp_faqreve1.pdf
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20201028171540.1700032-1-robert.hancock@calian.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/dec/tulip/de2104x.c')
0 files changed, 0 insertions, 0 deletions