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From: Yufeng Mo <moyufeng@huawei.com>
To: <davem@davemloft.net>, <kuba@kernel.org>
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Subject: [RFC V4 net-next 0/4] ethtool: extend coalesce uAPI
Date: Mon, 16 Aug 2021 11:39:42 +0800
Message-ID: <1629085186-8622-1-git-send-email-moyufeng@huawei.com>
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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 Change log: V3 -> V4: add document explaining the difference between CQE and EQE in #1 suggested by Jakub Kicinski. V2 -> V3: 1. split #1 into adding new parameter and adding new attributes. 2. use NLA_POLICY_MAX(NLA_U8, 1) instead of NLA_U8. 3. modify the description of CQE in Document. V1 -> V2: refactor #1 in V1 suggestted by Jakub Kicinski. Yufeng Mo (4): ethtool: add two coalesce attributes for CQE mode 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 | 15 +++++++ drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 8 +++- drivers/net/ethernet/amazon/ena/ena_ethtool.c | 8 +++- drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 8 +++- .../net/ethernet/aquantia/atlantic/aq_ethtool.c | 8 +++- drivers/net/ethernet/broadcom/bcmsysport.c | 8 +++- drivers/net/ethernet/broadcom/bnx2.c | 12 ++++-- .../net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 8 +++- drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 8 +++- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 8 +++- drivers/net/ethernet/broadcom/tg3.c | 10 ++++- drivers/net/ethernet/brocade/bna/bnad_ethtool.c | 12 ++++-- drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 8 +++- .../net/ethernet/cavium/thunder/nicvf_ethtool.c | 4 +- drivers/net/ethernet/chelsio/cxgb/cxgb2.c | 8 +++- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 8 +++- drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 8 +++- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 8 +++- drivers/net/ethernet/cisco/enic/enic_ethtool.c | 8 +++- drivers/net/ethernet/cortina/gemini.c | 8 +++- drivers/net/ethernet/emulex/benet/be_ethtool.c | 8 +++- drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 8 +++- .../net/ethernet/freescale/enetc/enetc_ethtool.c | 8 +++- drivers/net/ethernet/freescale/fec_main.c | 14 ++++--- drivers/net/ethernet/freescale/gianfar_ethtool.c | 8 +++- drivers/net/ethernet/hisilicon/hip04_eth.c | 8 +++- drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 8 +++- 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 | 26 ++++++++++-- .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 1 + .../ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 1 + drivers/net/ethernet/huawei/hinic/hinic_ethtool.c | 8 +++- drivers/net/ethernet/intel/e1000/e1000_ethtool.c | 8 +++- drivers/net/ethernet/intel/e1000e/ethtool.c | 8 +++- drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 8 +++- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 8 +++- drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 8 +++- drivers/net/ethernet/intel/ice/ice_ethtool.c | 12 ++++-- drivers/net/ethernet/intel/igb/igb_ethtool.c | 8 +++- drivers/net/ethernet/intel/igbvf/ethtool.c | 8 +++- drivers/net/ethernet/intel/igc/igc_ethtool.c | 8 +++- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 8 +++- drivers/net/ethernet/intel/ixgbevf/ethtool.c | 8 +++- drivers/net/ethernet/jme.c | 12 ++++-- drivers/net/ethernet/marvell/mv643xx_eth.c | 12 ++++-- drivers/net/ethernet/marvell/mvneta.c | 14 +++++-- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 14 +++++-- .../ethernet/marvell/octeontx2/nic/otx2_ethtool.c | 8 +++- drivers/net/ethernet/marvell/skge.c | 8 +++- drivers/net/ethernet/marvell/sky2.c | 8 +++- drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 8 +++- .../net/ethernet/mellanox/mlx5/core/en_ethtool.c | 8 +++- drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 8 +++- .../ethernet/mellanox/mlx5/core/ipoib/ethtool.c | 8 +++- drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 12 ++++-- .../net/ethernet/netronome/nfp/nfp_net_ethtool.c | 8 +++- drivers/net/ethernet/ni/nixge.c | 14 +++++-- .../net/ethernet/pensando/ionic/ionic_ethtool.c | 8 +++- .../ethernet/qlogic/netxen/netxen_nic_ethtool.c | 8 +++- drivers/net/ethernet/qlogic/qede/qede.h | 4 +- drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 8 +++- .../net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c | 8 +++- drivers/net/ethernet/realtek/r8169_main.c | 10 ++++- drivers/net/ethernet/samsung/sxgbe/sxgbe_ethtool.c | 8 +++- drivers/net/ethernet/sfc/ethtool.c | 8 +++- drivers/net/ethernet/sfc/falcon/ethtool.c | 8 +++- drivers/net/ethernet/socionext/netsec.c | 10 +++-- .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 8 +++- drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c | 14 +++++-- drivers/net/ethernet/tehuti/tehuti.c | 12 ++++-- drivers/net/ethernet/ti/cpsw.c | 2 +- drivers/net/ethernet/ti/cpsw_ethtool.c | 8 +++- drivers/net/ethernet/ti/cpsw_new.c | 2 +- drivers/net/ethernet/ti/cpsw_priv.h | 8 +++- drivers/net/ethernet/ti/davinci_emac.c | 8 +++- drivers/net/ethernet/via/via-velocity.c | 8 +++- drivers/net/ethernet/xilinx/ll_temac_main.c | 14 +++++-- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 14 +++++-- drivers/net/netdevsim/ethtool.c | 8 +++- drivers/net/tun.c | 8 +++- drivers/net/usb/r8152.c | 8 +++- drivers/net/virtio_net.c | 8 +++- drivers/net/vmxnet3/vmxnet3_ethtool.c | 12 ++++-- drivers/net/wireless/ath/wil6210/ethtool.c | 14 +++++-- drivers/s390/net/qeth_ethtool.c | 4 +- drivers/staging/qlge/qlge_ethtool.c | 10 ++++- include/linux/ethtool.h | 22 ++++++++-- include/uapi/linux/ethtool_netlink.h | 2 + net/ethtool/coalesce.c | 29 ++++++++++--- net/ethtool/ioctl.c | 15 +++++-- net/ethtool/netlink.h | 2 +- 93 files changed, 678 insertions(+), 208 deletions(-)