[RFCv3 PATCH net-next 0/2] net-next: ethool: add support to get/set tx push by ethtool -G/g

[Jie Wang <wangjie125@huawei.com>]

These two patches add tx push in ring parms and adapt the set and get APIs 
of ring params

The former discussion please see [1].
[1]:https://lore.kernel.org/netdev/20220315032108.57228-1-wangjie125@huawei.com/
[2]:https://lore.kernel.org/netdev/20220326085102.14111-1-wangjie125@huawei.com/

ChangeLog:

V2->V3
1.Add tx push documentation in Documentation/networking/ethtool-netlink.rst
2.Use u8 to store tx push in struct kernel_ethtool_ringparam
3.Add ETHTOOL_RING_USE_TX_PUSH to reject setting for unsupported driver
4.Use NLA_POLICY_MAX(NLA_U8, 1) to limit the tx push value

V1->V2
extend tx push param in ringparam, suggested by Jakub Kicinski.

Jie Wang (2):
  net-next: ethtool: extend ringparam set/get APIs for tx_push
  net-next: hn3: add tx push support in hns3 ring param process

 Documentation/networking/ethtool-netlink.rst  |  2 ++
 .../ethernet/hisilicon/hns3/hns3_ethtool.c    | 33 ++++++++++++++++++-
 include/linux/ethtool.h                       |  3 ++
 include/uapi/linux/ethtool_netlink.h          |  1 +
 net/ethtool/netlink.h                         |  2 +-
 net/ethtool/rings.c                           | 18 ++++++++--
 6 files changed, 55 insertions(+), 4 deletions(-)

-- 
2.33.0