Merge branch 'provide-KAPI-for-SQI'

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Oleksij Rempel says:

====================
provide KAPI for SQI

This patches are extending ethtool netlink interface to export Signal
Quality Index (SQI). SQI provided by 100Base-T1 PHYs and can be used for
cable diagnostic. Compared to a typical cable tests, this value can be
only used after link is established.

changes v3:
- rename __ethtool_get_sqi* to linkstate_get_sqi*. And move this
  functions to the net/ethtool/linkstate.c
- protect linkstate_get_sqi* with locking

changes v2:
- use u32 instead of u8 for SQI
- add SQI_MAX field and callbacks
- some style fixes in the rst.
- do not convert index to shifted index.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

David S. Miller 2020-05-21 17:18:00 -07:00

parent b0301a5a28 68ff5e1475

commit 2a330b5334

5 changed files with 108 additions and 3 deletions

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6

Documentation/networking/ethtool-netlink.rst

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26

drivers/net/phy/nxp-tja11xx.c

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2

include/linux/phy.h

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2

include/uapi/linux/ethtool_netlink.h

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75

net/ethtool/linkstate.c

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