[PATCH RESEND V2 net-next 0/4] net: hns3: add support ethtool extended link state

This series adds support for ethtool extended link state in the HNS3
ethernet driver to add one additional information for user to know
why a link is not up.

change log:
V1 -> V2:
1. fix missing a P for "-EOPNOTSUP".
2. delete unnecessary error log of this feature is not supported by
   devices of earlier version.

Guangbin Huang (4):
  docs: ethtool: Add two link extended substates of bad signal integrity
  ethtool: add two link extended substates of bad signal integrity
  net: hns3: add header file hns3_ethtoo.h
  net: hns3: add support ethtool extended link state

 Documentation/networking/ethtool-netlink.rst       |  8 +++
 drivers/net/ethernet/hisilicon/hns3/hnae3.h        |  2 +
 drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 82 ++++++++++++++++++----
 drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h | 31 ++++++++
 .../net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h |  3 +
 .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c    | 24 +++++++
 include/uapi/linux/ethtool.h                       |  2 +
 7 files changed, 137 insertions(+), 15 deletions(-)
 create mode 100644 drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.h

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2.8.1