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[RFC net-next 0/4] ethtool: extend coalesce uAPI

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In order to support some configuration in coalesce uAPI, this RFC
extends coalesce uAPI and add support for CQE mode.

Below is some test result with HNS3 driver:
1. old ethtool(ioctl) + new kernel:
estuary:/$ ethtool -c eth0
Coalesce parameters for eth0:
Adaptive RX: on  TX: on
stats-block-usecs: 0
sample-interval: 0
pkt-rate-low: 0
pkt-rate-high: 0

rx-usecs: 20
rx-frames: 0
rx-usecs-irq: 0
rx-frames-irq: 0

tx-usecs: 20
tx-frames: 0
tx-usecs-irq: 0
tx-frames-irq: 0

rx-usecs-low: 0
rx-frame-low: 0
tx-usecs-low: 0
tx-frame-low: 0

rx-usecs-high: 0
rx-frame-high: 0
tx-usecs-high: 0
tx-frame-high: 0

2. ethtool(netlink with cqe mode) + kernel without cqe mode:
estuary:/$ ethtool -c eth0
Coalesce parameters for eth0:
Adaptive RX: on  TX: on
stats-block-usecs: n/a
sample-interval: n/a
pkt-rate-low: n/a
pkt-rate-high: n/a

rx-usecs: 20
rx-frames: 0
rx-usecs-irq: n/a
rx-frames-irq: n/a

tx-usecs: 20
tx-frames: 0
tx-usecs-irq: n/a
tx-frames-irq: n/a

rx-usecs-low: n/a
rx-frame-low: n/a
tx-usecs-low: n/a
tx-frame-low: n/a

rx-usecs-high: 0
rx-frame-high: n/a
tx-usecs-high: 0
tx-frame-high: n/a

CQE mode RX: n/a  TX: n/a

3. ethool(netlink with cqe mode) + kernel with cqe mode:
estuary:/$ ethtool -c eth0
Coalesce parameters for eth0:
Adaptive RX: on  TX: on
stats-block-usecs: n/a
sample-interval: n/a
pkt-rate-low: n/a
pkt-rate-high: n/a

rx-usecs: 20
rx-frames: 0
rx-usecs-irq: n/a
rx-frames-irq: n/a

tx-usecs: 20
tx-frames: 0
tx-usecs-irq: n/a
tx-frames-irq: n/a

rx-usecs-low: n/a
rx-frame-low: n/a
tx-usecs-low: n/a
tx-frame-low: n/a

rx-usecs-high: 0
rx-frame-high: n/a
tx-usecs-high: 0
tx-frame-high: n/a

CQE mode RX: off  TX: off

4. ethool(netlink without cqe mode) + kernel with cqe mode:
estuary:/$ ethtool -c eth0
Coalesce parameters for eth0:
Adaptive RX: on  TX: on
stats-block-usecs: n/a
sample-interval: n/a
pkt-rate-low: n/a
pkt-rate-high: n/a

rx-usecs: 20
rx-frames: 0
rx-usecs-irq: n/a
rx-frames-irq: n/a

tx-usecs: 20
tx-frames: 0
tx-usecs-irq: n/a
tx-frames-irq: n/a

rx-usecs-low: n/a
rx-frame-low: n/a
tx-usecs-low: n/a
tx-frame-low: n/a

rx-usecs-high: 0
rx-frame-high: n/a
tx-usecs-high: 0
tx-frame-high: n/a

Huazhong Tan (4):
  ethtool: extend coalesce API
  ethtool: extend coalesce setting uAPI with CQE mode
  net: hns3: add support for EQE/CQE mode configuration
  net: hns3: add ethtool support for CQE/EQE mode configuration

 Documentation/networking/ethtool-netlink.rst       |   4 +
 drivers/infiniband/ulp/ipoib/ipoib_ethtool.c       |  24 +++--
 drivers/net/ethernet/amazon/ena/ena_ethtool.c      |  22 ++--
 drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c       |  24 +++--
 .../net/ethernet/aquantia/atlantic/aq_ethtool.c    |  40 +++----
 drivers/net/ethernet/broadcom/bcmsysport.c         |  40 +++----
 drivers/net/ethernet/broadcom/bnx2.c               |  50 +++++----
 .../net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c    |  18 ++--
 drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c  |  52 ++++-----
 drivers/net/ethernet/broadcom/genet/bcmgenet.c     |  36 ++++---
 drivers/net/ethernet/broadcom/tg3.c                |  54 +++++-----
 drivers/net/ethernet/brocade/bna/bnad_ethtool.c    |  38 ++++---
 drivers/net/ethernet/cavium/liquidio/lio_ethtool.c |  66 ++++++------
 .../net/ethernet/cavium/thunder/nicvf_ethtool.c    |   6 +-
 drivers/net/ethernet/chelsio/cxgb/cxgb2.c          |  22 ++--
 drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c    |  16 ++-
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c |  29 ++---
 .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c    |  16 +--
 drivers/net/ethernet/cisco/enic/enic_ethtool.c     |  32 +++---
 drivers/net/ethernet/cortina/gemini.c              |  22 ++--
 drivers/net/ethernet/emulex/benet/be_ethtool.c     |  36 ++++---
 drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c |  16 +--
 .../net/ethernet/freescale/enetc/enetc_ethtool.c   |  28 ++---
 drivers/net/ethernet/freescale/fec_main.c          |  48 +++++----
 drivers/net/ethernet/freescale/gianfar_ethtool.c   |  44 ++++----
 drivers/net/ethernet/hisilicon/hip04_eth.c         |  24 +++--
 drivers/net/ethernet/hisilicon/hns/hns_ethtool.c   |  48 +++++----
 drivers/net/ethernet/hisilicon/hns3/hnae3.h        |   1 +
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.c    |  49 ++++++++-
 drivers/net/ethernet/hisilicon/hns3/hns3_enet.h    |  11 ++
 drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c |  58 ++++++----
 .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c    |   1 +
 .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c  |   1 +
 drivers/net/ethernet/huawei/hinic/hinic_ethtool.c  |  13 ++-
 drivers/net/ethernet/intel/e1000/e1000_ethtool.c   |  28 ++---
 drivers/net/ethernet/intel/e1000e/ethtool.c        |  28 ++---
 drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c   |  28 ++---
 drivers/net/ethernet/intel/i40e/i40e_ethtool.c     |  14 ++-
 drivers/net/ethernet/intel/iavf/iavf_ethtool.c     |  14 ++-
 drivers/net/ethernet/intel/ice/ice_ethtool.c       |  18 ++--
 drivers/net/ethernet/intel/igb/igb_ethtool.c       |  48 +++++----
 drivers/net/ethernet/intel/igbvf/ethtool.c         |  26 +++--
 drivers/net/ethernet/intel/igc/igc_ethtool.c       |  48 +++++----
 drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c   |  34 +++---
 drivers/net/ethernet/intel/ixgbevf/ethtool.c       |  34 +++---
 drivers/net/ethernet/jme.c                         |  40 +++----
 drivers/net/ethernet/marvell/mv643xx_eth.c         |  20 ++--
 drivers/net/ethernet/marvell/mvneta.c              |  20 ++--
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c    |  24 +++--
 .../ethernet/marvell/octeontx2/nic/otx2_ethtool.c  |  63 ++++++-----
 drivers/net/ethernet/marvell/skge.c                |  36 ++++---
 drivers/net/ethernet/marvell/sky2.c                |  63 ++++++-----
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c    |  74 +++++++------
 .../net/ethernet/mellanox/mlx5/core/en_ethtool.c   |  12 ++-
 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c   |  12 ++-
 .../ethernet/mellanox/mlx5/core/ipoib/ethtool.c    |  12 ++-
 drivers/net/ethernet/myricom/myri10ge/myri10ge.c   |  16 +--
 .../net/ethernet/netronome/nfp/nfp_net_ethtool.c   |  36 ++++---
 drivers/net/ethernet/ni/nixge.c                    |  20 ++--
 .../net/ethernet/pensando/ionic/ionic_ethtool.c    |  42 ++++----
 .../ethernet/qlogic/netxen/netxen_nic_ethtool.c    |  36 ++++---
 drivers/net/ethernet/qlogic/qede/qede.h            |   3 +-
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c    |  24 +++--
 .../net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c    |  26 +++--
 drivers/net/ethernet/realtek/r8169_main.c          |  35 +++---
 drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c |  14 ++-
 drivers/net/ethernet/sfc/ethtool.c                 |  36 ++++---
 drivers/net/ethernet/sfc/falcon/ethtool.c          |  36 ++++---
 drivers/net/ethernet/socionext/netsec.c            |  49 +++++----
 .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c   |  14 ++-
 drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c |  20 ++--
 drivers/net/ethernet/tehuti/tehuti.c               |  28 ++---
 drivers/net/ethernet/ti/cpsw.c                     |   6 +-
 drivers/net/ethernet/ti/cpsw_ethtool.c             |  12 ++-
 drivers/net/ethernet/ti/cpsw_new.c                 |   6 +-
 drivers/net/ethernet/ti/cpsw_priv.h                |   6 +-
 drivers/net/ethernet/ti/davinci_emac.c             |  20 ++--
 drivers/net/ethernet/via/via-velocity.c            |  32 +++---
 drivers/net/ethernet/xilinx/ll_temac_main.c        |  32 +++---
 drivers/net/ethernet/xilinx/xilinx_axienet_main.c  |  20 ++--
 drivers/net/netdevsim/ethtool.c                    |  12 ++-
 drivers/net/tun.c                                  |  14 ++-
 drivers/net/usb/r8152.c                            |  16 +--
 drivers/net/virtio_net.c                           |  18 ++--
 drivers/net/vmxnet3/vmxnet3_ethtool.c              |  68 ++++++------
 drivers/net/wireless/ath/wil6210/ethtool.c         |  25 +++--
 drivers/staging/qlge/qlge_ethtool.c                |  10 +-
 include/linux/ethtool.h                            |  21 +++-
 include/uapi/linux/ethtool_netlink.h               |   2 +
 net/ethtool/coalesce.c                             | 117 ++++++++++++---------
 net/ethtool/ioctl.c                                |  69 ++++++------
 net/ethtool/netlink.h                              |   2 +-
 92 files changed, 1540 insertions(+), 1088 deletions(-)

-- 
2.7.4




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