mii: Add support for Realtek RTL8211F-VD PHY

The RTL8211F-VD is a replacement/upgrade for the RTL8211F. Based on
https://github.com/torvalds/linux/commit/bb726b753f75a4eeda291438f89dfd9b94783569,
th

mii: Add support for Realtek RTL8211F-VD PHY

The RTL8211F-VD is a replacement/upgrade for the RTL8211F. Based on
https://github.com/torvalds/linux/commit/bb726b753f75a4eeda291438f89dfd9b94783569,
the only difference is the lack of the PCR2 register, which FreeBSD
doesn't use.

This fixes autonegotiation problems using the RTL8211F with ukphy(4).
Reviewed by: manu, bz
MFC after: 1 month
Differential Revision: <https://reviews.freebsd.org/D45109

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sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

Merge ^/head r325842 through r325998.

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensou

spdx: initial adoption of licensing ID tags.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.

Initially, only tag files that use BSD 4-Clause "Original" license.

RelNotes: yes
Differential Revision: https://reviews.freebsd.org/D13133

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Merge ^/head r307736 through r308146.

Add preliminary support for the RTL8153.

Reviewed by: hselasky

MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head.

Disable EEE(Energy Efficient Ethernet) for RTL8211F PHY.
It seems the EEE made RX MAC enter LPI(Low Power Idle) mode such
that dwc(4) was not able to receive packets. Ideally dwc(4) should
be able t

Disable EEE(Energy Efficient Ethernet) for RTL8211F PHY.
It seems the EEE made RX MAC enter LPI(Low Power Idle) mode such
that dwc(4) was not able to receive packets. Ideally dwc(4) should
be able to use EEE to save power during periods of low link
utilization(i.e. gating off clock). Due to lack of dwc(4)
datasheet it's not easy to take required steps for EEE on LPI
enter/exit events. Disabling EEE in PHY seems to be easy
workaround until dwc(4) supports EEE.

Updating EEE advertisement register on RTL8211F seems to have no
effect until reprogramming MII_ANAR, MII_100T2CR and MII_BMCR
with auto-negotiation. It's not clear whether it's related with
mii_phy_reset()'s BMCR_ISO handling for RTL8211F though.
It seems rgephy_reset() needs careful investigation for newer
RealTek PHYs.

Ganbold submitted working version based on NetBSD change and
tested lots of changes I made. Thanks a lot!

Submitted by: ganbold (initial version)
In collaboration with: ganbold

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Merge sync of head

MFH: r278968-r280640

Sponsored by: The FreeBSD Foundation

Merge r278538 through r280226.

Merge from head

Merge ^/head r279893 through r279984.

Add RTL8211F gigabit PHY support.

PR: 197265
MFC after: 2 weeks

IFC @253398

Merge fresh head.

sync from head

For RTL8211B or later PHYs, enable crossover detection and
auto-correction. This change makes re(4) establish a link with
a system using non-crossover UTP cable.

Tested by: Michael BlackHeart < amdm

For RTL8211B or later PHYs, enable crossover detection and
auto-correction. This change makes re(4) establish a link with
a system using non-crossover UTP cable.

Tested by: Michael BlackHeart < amdmiek <> gmail dot com >

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Correct spelling in comments.

Submitted by: brucec

Add RTL8211C(L) support.
Disable advanced link-down power saving in phy reset.

Reported by: nork
Tested by: nork

Add support for RealTek RTL8211B(L) PHY. It's based on the patch
made by Michael Eisele and the patch was slightly modified by me.
With this change several NVIDIA ethernet controllers(e.g. MCP61)
wor

Add support for RealTek RTL8211B(L) PHY. It's based on the patch
made by Michael Eisele and the patch was slightly modified by me.
With this change several NVIDIA ethernet controllers(e.g. MCP61)
works.

RTL8211B(L) is RealTek's new gigabit PHY. The PHY has several
features including crossover correction, polarity correction as
well as supporting triple speed(10/100/1000bps). Data transfer
between MAC and PHY is via RGMII for 1000baseT, MII for
10baseT/100baseTX.
Unfortunately, RealTek used the same model number for RTL8211B(L)
PHY so there is no way to discriminate between RTL8211B(L) and its
predecessors. ATM RTL8211B uses revision number 2 so checking the
revision number seems to be only way to identify it.

Obtained from: Michael Eisele [1]
Tested by: clemens fischer < ino-qc AT spotteswoode DOT de DOT eu DOT org >

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Start each of the license/copyright comments with /*-, minor shuffle of lines

Add a PHY driver to support the built-in gigE PHY in the 8169S/8110S
ethernet chips. This driver is pretty simple, however it contains
special DSP initialization code which is needed in order to get

Add a PHY driver to support the built-in gigE PHY in the 8169S/8110S
ethernet chips. This driver is pretty simple, however it contains
special DSP initialization code which is needed in order to get
the chip to negotiate a gigE link. (This special initialization
may not be needed in subsequent chip revs.) Also:

- Fix typo in if_rlreg.h (RL_GMEDIASTAT_1000MPS -> RL_GMEDIASTAT_1000MBPS)

- Deal with shared interrupts in re_intr(): if interface isn't up,
return.

- Fix another bug in re_gmii_writereg() (properly apply data field mask)

- Allow PHY driver to read the RL_GMEDIASTAT register via the
re_gmii_readreg() register (this is register needed to determine
real time link/media status).

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Add RTL8211C(L) support.
Disable advanced link-down power saving in phy reset.

Reported by: nork
Tested by: nork