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Message-ID: <20191203020514-mutt-send-email-mst@kernel.org>
Date: Tue, 3 Dec 2019 02:05:46 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Julio Faracco <jcfaracco@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, jasowang@...hat.com,
virtualization@...ts.linux-foundation.org, dnmendes76@...il.com
Subject: Re: [net-next V3 0/2] drivers: net: virtio_net: implement
BTW cover letter subject needs fixing.
Maybe:
drivers: net: timeout improvements
?
On Tue, Nov 26, 2019 at 05:06:26PM -0300, Julio Faracco wrote:
> This series add two important features. One of them changes the
> .ndo_tx_timeout to include an extra parameter to identify the stuck
> queue. Many drivers are using a nester loop to identify which queue is
> stooped/stucked. This is a redundant work since dev_watchdog is doing
> exactly the same thing. This is so interesting for other drivers to in
> terms of code optimization.
>
> The second part (second commit) introduces a virtnet_tx_timeout function
> to reset virtio_net driver when a TX timeout happens. The main idea of
> this implementation is related to a QEMU device issue. So, in this case,
> resetting driver would be the best option to cover this scenario instead
> of "soft recovery".
>
> Changes from v1:
> - Missing net-next tag.
> Changes from v2:
> - Adding the netdev patch produced by Michael (many thanks).
> - Using this stucture into virtnet and remove some stupid warn
> messages.
>
> Julio Faracco (2):
> netdev: pass the stuck queue to the timeout handler
> drivers: net: virtio_net: Implement a dev_watchdog handler
>
> arch/m68k/emu/nfeth.c | 2 +-
> arch/um/drivers/net_kern.c | 2 +-
> arch/um/drivers/vector_kern.c | 2 +-
> arch/xtensa/platforms/iss/network.c | 2 +-
> drivers/char/pcmcia/synclink_cs.c | 2 +-
> drivers/infiniband/ulp/ipoib/ipoib_main.c | 2 +-
> drivers/message/fusion/mptlan.c | 2 +-
> drivers/misc/sgi-xp/xpnet.c | 2 +-
> drivers/net/appletalk/cops.c | 4 +-
> drivers/net/arcnet/arcdevice.h | 2 +-
> drivers/net/arcnet/arcnet.c | 2 +-
> drivers/net/ethernet/3com/3c509.c | 4 +-
> drivers/net/ethernet/3com/3c515.c | 4 +-
> drivers/net/ethernet/3com/3c574_cs.c | 4 +-
> drivers/net/ethernet/3com/3c589_cs.c | 4 +-
> drivers/net/ethernet/3com/3c59x.c | 4 +-
> drivers/net/ethernet/3com/typhoon.c | 2 +-
> drivers/net/ethernet/8390/8390.c | 4 +-
> drivers/net/ethernet/8390/8390.h | 4 +-
> drivers/net/ethernet/8390/8390p.c | 4 +-
> drivers/net/ethernet/8390/axnet_cs.c | 4 +-
> drivers/net/ethernet/8390/lib8390.c | 2 +-
> drivers/net/ethernet/adaptec/starfire.c | 4 +-
> drivers/net/ethernet/agere/et131x.c | 2 +-
> drivers/net/ethernet/allwinner/sun4i-emac.c | 2 +-
> drivers/net/ethernet/alteon/acenic.c | 4 +-
> drivers/net/ethernet/amazon/ena/ena_netdev.c | 2 +-
> drivers/net/ethernet/amd/7990.c | 2 +-
> drivers/net/ethernet/amd/7990.h | 2 +-
> drivers/net/ethernet/amd/a2065.c | 2 +-
> drivers/net/ethernet/amd/am79c961a.c | 2 +-
> drivers/net/ethernet/amd/amd8111e.c | 2 +-
> drivers/net/ethernet/amd/ariadne.c | 2 +-
> drivers/net/ethernet/amd/atarilance.c | 4 +-
> drivers/net/ethernet/amd/au1000_eth.c | 2 +-
> drivers/net/ethernet/amd/declance.c | 2 +-
> drivers/net/ethernet/amd/lance.c | 4 +-
> drivers/net/ethernet/amd/ni65.c | 4 +-
> drivers/net/ethernet/amd/nmclan_cs.c | 4 +-
> drivers/net/ethernet/amd/pcnet32.c | 4 +-
> drivers/net/ethernet/amd/sunlance.c | 2 +-
> drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 2 +-
> drivers/net/ethernet/apm/xgene-v2/main.c | 2 +-
> .../net/ethernet/apm/xgene/xgene_enet_main.c | 2 +-
> drivers/net/ethernet/apple/macmace.c | 4 +-
> drivers/net/ethernet/atheros/ag71xx.c | 2 +-
> drivers/net/ethernet/atheros/alx/main.c | 2 +-
> .../net/ethernet/atheros/atl1c/atl1c_main.c | 2 +-
> .../net/ethernet/atheros/atl1e/atl1e_main.c | 2 +-
> drivers/net/ethernet/atheros/atlx/atl2.c | 2 +-
> drivers/net/ethernet/broadcom/b44.c | 2 +-
> drivers/net/ethernet/broadcom/bcmsysport.c | 2 +-
> drivers/net/ethernet/broadcom/bnx2.c | 2 +-
> .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 2 +-
> .../net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 2 +-
> drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 +-
> .../net/ethernet/broadcom/genet/bcmgenet.c | 2 +-
> drivers/net/ethernet/broadcom/sb1250-mac.c | 4 +-
> drivers/net/ethernet/broadcom/tg3.c | 2 +-
> drivers/net/ethernet/calxeda/xgmac.c | 2 +-
> .../net/ethernet/cavium/liquidio/lio_main.c | 2 +-
> .../ethernet/cavium/liquidio/lio_vf_main.c | 2 +-
> .../net/ethernet/cavium/liquidio/lio_vf_rep.c | 5 +-
> .../net/ethernet/cavium/thunder/nicvf_main.c | 2 +-
> drivers/net/ethernet/cirrus/cs89x0.c | 2 +-
> drivers/net/ethernet/cisco/enic/enic_main.c | 2 +-
> drivers/net/ethernet/cortina/gemini.c | 2 +-
> drivers/net/ethernet/davicom/dm9000.c | 2 +-
> drivers/net/ethernet/dec/tulip/de2104x.c | 2 +-
> drivers/net/ethernet/dec/tulip/tulip_core.c | 4 +-
> drivers/net/ethernet/dec/tulip/winbond-840.c | 4 +-
> drivers/net/ethernet/dlink/dl2k.c | 4 +-
> drivers/net/ethernet/dlink/sundance.c | 4 +-
> drivers/net/ethernet/emulex/benet/be_main.c | 2 +-
> drivers/net/ethernet/ethoc.c | 2 +-
> drivers/net/ethernet/faraday/ftgmac100.c | 3 +-
> drivers/net/ethernet/fealnx.c | 4 +-
> drivers/net/ethernet/freescale/fec_main.c | 2 +-
> drivers/net/ethernet/freescale/fec_mpc52xx.c | 2 +-
> .../ethernet/freescale/fs_enet/fs_enet-main.c | 2 +-
> drivers/net/ethernet/freescale/gianfar.c | 2 +-
> drivers/net/ethernet/freescale/ucc_geth.c | 2 +-
> drivers/net/ethernet/fujitsu/fmvj18x_cs.c | 4 +-
> drivers/net/ethernet/google/gve/gve_main.c | 2 +-
> drivers/net/ethernet/hisilicon/hip04_eth.c | 2 +-
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c | 2 +-
> drivers/net/ethernet/hisilicon/hns/hns_enet.c | 2 +-
> .../net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +-
> .../net/ethernet/huawei/hinic/hinic_main.c | 2 +-
> drivers/net/ethernet/i825xx/82596.c | 4 +-
> drivers/net/ethernet/i825xx/ether1.c | 4 +-
> drivers/net/ethernet/i825xx/lib82596.c | 4 +-
> drivers/net/ethernet/i825xx/sun3_82586.c | 4 +-
> drivers/net/ethernet/ibm/ehea/ehea_main.c | 2 +-
> drivers/net/ethernet/ibm/emac/core.c | 2 +-
> drivers/net/ethernet/ibm/ibmvnic.c | 2 +-
> drivers/net/ethernet/intel/e100.c | 2 +-
> drivers/net/ethernet/intel/e1000/e1000_main.c | 4 +-
> drivers/net/ethernet/intel/e1000e/netdev.c | 2 +-
> .../net/ethernet/intel/fm10k/fm10k_netdev.c | 2 +-
> drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-
> drivers/net/ethernet/intel/iavf/iavf_main.c | 2 +-
> drivers/net/ethernet/intel/ice/ice_main.c | 2 +-
> drivers/net/ethernet/intel/igb/igb_main.c | 4 +-
> drivers/net/ethernet/intel/igbvf/netdev.c | 2 +-
> drivers/net/ethernet/intel/ixgb/ixgb_main.c | 4 +-
> .../net/ethernet/intel/ixgbe/ixgbe_debugfs.c | 4 +-
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +-
> .../net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +-
> drivers/net/ethernet/jme.c | 2 +-
> drivers/net/ethernet/korina.c | 2 +-
> drivers/net/ethernet/lantiq_etop.c | 2 +-
> drivers/net/ethernet/marvell/mv643xx_eth.c | 2 +-
> drivers/net/ethernet/marvell/pxa168_eth.c | 2 +-
> drivers/net/ethernet/marvell/skge.c | 2 +-
> drivers/net/ethernet/marvell/sky2.c | 2 +-
> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
> .../net/ethernet/mellanox/mlx4/en_netdev.c | 2 +-
> .../net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
> drivers/net/ethernet/micrel/ks8842.c | 2 +-
> drivers/net/ethernet/micrel/ksz884x.c | 2 +-
> drivers/net/ethernet/microchip/enc28j60.c | 2 +-
> drivers/net/ethernet/microchip/encx24j600.c | 2 +-
> drivers/net/ethernet/natsemi/natsemi.c | 4 +-
> drivers/net/ethernet/natsemi/ns83820.c | 2 +-
> drivers/net/ethernet/natsemi/sonic.c | 2 +-
> drivers/net/ethernet/natsemi/sonic.h | 2 +-
> drivers/net/ethernet/neterion/s2io.c | 2 +-
> drivers/net/ethernet/neterion/s2io.h | 2 +-
> .../net/ethernet/neterion/vxge/vxge-main.c | 2 +-
> .../ethernet/netronome/nfp/nfp_net_common.c | 2 +-
> drivers/net/ethernet/nvidia/forcedeth.c | 2 +-
> .../ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 2 +-
> drivers/net/ethernet/packetengines/hamachi.c | 4 +-
> .../net/ethernet/packetengines/yellowfin.c | 4 +-
> .../net/ethernet/pensando/ionic/ionic_lif.c | 2 +-
> .../ethernet/qlogic/netxen/netxen_nic_main.c | 4 +-
> drivers/net/ethernet/qlogic/qla3xxx.c | 2 +-
> .../net/ethernet/qlogic/qlcnic/qlcnic_main.c | 4 +-
> drivers/net/ethernet/qualcomm/emac/emac.c | 2 +-
> drivers/net/ethernet/qualcomm/qca_spi.c | 2 +-
> drivers/net/ethernet/qualcomm/qca_uart.c | 3 +-
> drivers/net/ethernet/rdc/r6040.c | 2 +-
> drivers/net/ethernet/realtek/8139cp.c | 2 +-
> drivers/net/ethernet/realtek/8139too.c | 4 +-
> drivers/net/ethernet/realtek/atp.c | 4 +-
> drivers/net/ethernet/realtek/r8169_main.c | 2 +-
> drivers/net/ethernet/renesas/ravb_main.c | 2 +-
> drivers/net/ethernet/renesas/sh_eth.c | 2 +-
> .../net/ethernet/samsung/sxgbe/sxgbe_main.c | 2 +-
> drivers/net/ethernet/seeq/ether3.c | 4 +-
> drivers/net/ethernet/seeq/sgiseeq.c | 2 +-
> drivers/net/ethernet/sgi/ioc3-eth.c | 4 +-
> drivers/net/ethernet/sgi/meth.c | 4 +-
> drivers/net/ethernet/silan/sc92031.c | 2 +-
> drivers/net/ethernet/sis/sis190.c | 2 +-
> drivers/net/ethernet/smsc/epic100.c | 4 +-
> drivers/net/ethernet/smsc/smc911x.c | 2 +-
> drivers/net/ethernet/smsc/smc9194.c | 4 +-
> drivers/net/ethernet/smsc/smc91c92_cs.c | 4 +-
> drivers/net/ethernet/smsc/smc91x.c | 2 +-
> .../net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
> drivers/net/ethernet/sun/cassini.c | 2 +-
> drivers/net/ethernet/sun/niu.c | 2 +-
> drivers/net/ethernet/sun/sunbmac.c | 2 +-
> drivers/net/ethernet/sun/sungem.c | 2 +-
> drivers/net/ethernet/sun/sunhme.c | 2 +-
> drivers/net/ethernet/sun/sunqe.c | 2 +-
> drivers/net/ethernet/sun/sunvnet_common.c | 2 +-
> drivers/net/ethernet/sun/sunvnet_common.h | 2 +-
> .../net/ethernet/synopsys/dwc-xlgmac-net.c | 2 +-
> drivers/net/ethernet/ti/cpmac.c | 2 +-
> drivers/net/ethernet/ti/cpsw_priv.c | 2 +-
> drivers/net/ethernet/ti/davinci_emac.c | 2 +-
> drivers/net/ethernet/ti/netcp_core.c | 2 +-
> drivers/net/ethernet/ti/tlan.c | 4 +-
> drivers/net/ethernet/toshiba/ps3_gelic_net.c | 2 +-
> drivers/net/ethernet/toshiba/ps3_gelic_net.h | 2 +-
> drivers/net/ethernet/toshiba/spider_net.c | 2 +-
> drivers/net/ethernet/toshiba/tc35815.c | 5 +-
> drivers/net/ethernet/via/via-rhine.c | 4 +-
> drivers/net/ethernet/wiznet/w5100.c | 2 +-
> drivers/net/ethernet/wiznet/w5300.c | 2 +-
> drivers/net/ethernet/xilinx/xilinx_emaclite.c | 2 +-
> drivers/net/ethernet/xircom/xirc2ps_cs.c | 4 +-
> drivers/net/fjes/fjes_main.c | 4 +-
> drivers/net/slip/slip.c | 2 +-
> drivers/net/usb/catc.c | 2 +-
> drivers/net/usb/hso.c | 2 +-
> drivers/net/usb/ipheth.c | 2 +-
> drivers/net/usb/kaweth.c | 2 +-
> drivers/net/usb/lan78xx.c | 2 +-
> drivers/net/usb/pegasus.c | 2 +-
> drivers/net/usb/r8152.c | 2 +-
> drivers/net/usb/rtl8150.c | 2 +-
> drivers/net/usb/usbnet.c | 2 +-
> drivers/net/virtio_net.c | 83 ++++++++++++++++++-
> drivers/net/vmxnet3/vmxnet3_drv.c | 2 +-
> drivers/net/wan/cosa.c | 4 +-
> drivers/net/wan/farsync.c | 2 +-
> drivers/net/wan/fsl_ucc_hdlc.c | 2 +-
> drivers/net/wan/lmc/lmc_main.c | 4 +-
> drivers/net/wan/x25_asy.c | 2 +-
> drivers/net/wireless/intel/ipw2x00/ipw2100.c | 2 +-
> .../wireless/intersil/hostap/hostap_main.c | 2 +-
> drivers/net/wireless/intersil/orinoco/main.c | 2 +-
> .../net/wireless/intersil/orinoco/orinoco.h | 2 +-
> .../wireless/intersil/prism54/islpci_eth.c | 2 +-
> .../wireless/intersil/prism54/islpci_eth.h | 2 +-
> drivers/net/wireless/marvell/mwifiex/main.c | 2 +-
> drivers/net/wireless/quantenna/qtnfmac/core.c | 3 +-
> drivers/net/wireless/wl3501_cs.c | 2 +-
> drivers/net/wireless/zydas/zd1201.c | 2 +-
> drivers/s390/net/qeth_core.h | 2 +-
> drivers/s390/net/qeth_core_main.c | 2 +-
> drivers/staging/ks7010/ks_wlan_net.c | 4 +-
> drivers/staging/qlge/qlge_main.c | 2 +-
> drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 2 +-
> drivers/staging/rtl8192u/r8192U_core.c | 2 +-
> .../staging/unisys/visornic/visornic_main.c | 3 +-
> drivers/staging/wlan-ng/p80211netdev.c | 6 +-
> drivers/tty/n_gsm.c | 2 +-
> drivers/tty/synclink.c | 2 +-
> drivers/tty/synclink_gt.c | 2 +-
> drivers/tty/synclinkmp.c | 2 +-
> include/linux/netdevice.h | 5 +-
> include/linux/usb/usbnet.h | 2 +-
> net/atm/lec.c | 2 +-
> net/bluetooth/bnep/netdev.c | 2 +-
> net/sched/sch_generic.c | 2 +-
> 230 files changed, 378 insertions(+), 286 deletions(-)
>
> --
> 2.17.1
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