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![Michael S. Tsirkin](/assets/img/avatar_default.png)
This allows incrementing the correct timeout statistic without any mess. Down the road, devices can learn to reset just the specific queue. The patch was generated with the following script: use strict; use warnings; our $^I = '.bak'; my @work = ( ["arch/m68k/emu/nfeth.c", "nfeth_tx_timeout"], ["arch/um/drivers/net_kern.c", "uml_net_tx_timeout"], ["arch/um/drivers/vector_kern.c", "vector_net_tx_timeout"], ["arch/xtensa/platforms/iss/network.c", "iss_net_tx_timeout"], ["drivers/char/pcmcia/synclink_cs.c", "hdlcdev_tx_timeout"], ["drivers/infiniband/ulp/ipoib/ipoib_main.c", "ipoib_timeout"], ["drivers/infiniband/ulp/ipoib/ipoib_main.c", "ipoib_timeout"], ["drivers/message/fusion/mptlan.c", "mpt_lan_tx_timeout"], ["drivers/misc/sgi-xp/xpnet.c", "xpnet_dev_tx_timeout"], ["drivers/net/appletalk/cops.c", "cops_timeout"], ["drivers/net/arcnet/arcdevice.h", "arcnet_timeout"], ["drivers/net/arcnet/arcnet.c", "arcnet_timeout"], ["drivers/net/arcnet/com20020.c", "arcnet_timeout"], ["drivers/net/ethernet/3com/3c509.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c515.c", "corkscrew_timeout"], ["drivers/net/ethernet/3com/3c574_cs.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c589_cs.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c59x.c", "vortex_tx_timeout"], ["drivers/net/ethernet/3com/3c59x.c", "vortex_tx_timeout"], ["drivers/net/ethernet/3com/typhoon.c", "typhoon_tx_timeout"], ["drivers/net/ethernet/8390/8390.h", "ei_tx_timeout"], ["drivers/net/ethernet/8390/8390.h", "eip_tx_timeout"], ["drivers/net/ethernet/8390/8390.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/8390p.c", "eip_tx_timeout"], ["drivers/net/ethernet/8390/ax88796.c", "ax_ei_tx_timeout"], ["drivers/net/ethernet/8390/axnet_cs.c", "axnet_tx_timeout"], ["drivers/net/ethernet/8390/etherh.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/hydra.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/mac8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/mcf8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/lib8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/ne2k-pci.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/pcnet_cs.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/smc-ultra.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/wd.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/zorro8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/adaptec/starfire.c", "tx_timeout"], ["drivers/net/ethernet/agere/et131x.c", "et131x_tx_timeout"], ["drivers/net/ethernet/allwinner/sun4i-emac.c", "emac_timeout"], ["drivers/net/ethernet/alteon/acenic.c", "ace_watchdog"], ["drivers/net/ethernet/amazon/ena/ena_netdev.c", "ena_tx_timeout"], ["drivers/net/ethernet/amd/7990.h", "lance_tx_timeout"], ["drivers/net/ethernet/amd/7990.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/a2065.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/am79c961a.c", "am79c961_timeout"], ["drivers/net/ethernet/amd/amd8111e.c", "amd8111e_tx_timeout"], ["drivers/net/ethernet/amd/ariadne.c", "ariadne_tx_timeout"], ["drivers/net/ethernet/amd/atarilance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/au1000_eth.c", "au1000_tx_timeout"], ["drivers/net/ethernet/amd/declance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/lance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/mvme147.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/ni65.c", "ni65_timeout"], ["drivers/net/ethernet/amd/nmclan_cs.c", "mace_tx_timeout"], ["drivers/net/ethernet/amd/pcnet32.c", "pcnet32_tx_timeout"], ["drivers/net/ethernet/amd/sunlance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/xgbe/xgbe-drv.c", "xgbe_tx_timeout"], ["drivers/net/ethernet/apm/xgene-v2/main.c", "xge_timeout"], ["drivers/net/ethernet/apm/xgene/xgene_enet_main.c", "xgene_enet_timeout"], ["drivers/net/ethernet/apple/macmace.c", "mace_tx_timeout"], ["drivers/net/ethernet/atheros/ag71xx.c", "ag71xx_tx_timeout"], ["drivers/net/ethernet/atheros/alx/main.c", "alx_tx_timeout"], ["drivers/net/ethernet/atheros/atl1c/atl1c_main.c", "atl1c_tx_timeout"], ["drivers/net/ethernet/atheros/atl1e/atl1e_main.c", "atl1e_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl.c", "atlx_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl1.c", "atlx_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl2.c", "atl2_tx_timeout"], ["drivers/net/ethernet/broadcom/b44.c", "b44_tx_timeout"], ["drivers/net/ethernet/broadcom/bcmsysport.c", "bcm_sysport_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2.c", "bnx2_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnxt/bnxt.c", "bnxt_tx_timeout"], ["drivers/net/ethernet/broadcom/genet/bcmgenet.c", "bcmgenet_timeout"], ["drivers/net/ethernet/broadcom/sb1250-mac.c", "sbmac_tx_timeout"], ["drivers/net/ethernet/broadcom/tg3.c", "tg3_tx_timeout"], ["drivers/net/ethernet/calxeda/xgmac.c", "xgmac_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c", "lio_vf_rep_tx_timeout"], ["drivers/net/ethernet/cavium/thunder/nicvf_main.c", "nicvf_tx_timeout"], ["drivers/net/ethernet/cirrus/cs89x0.c", "net_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cortina/gemini.c", "gmac_tx_timeout"], ["drivers/net/ethernet/davicom/dm9000.c", "dm9000_timeout"], ["drivers/net/ethernet/dec/tulip/de2104x.c", "de_tx_timeout"], ["drivers/net/ethernet/dec/tulip/tulip_core.c", "tulip_tx_timeout"], ["drivers/net/ethernet/dec/tulip/winbond-840.c", "tx_timeout"], ["drivers/net/ethernet/dlink/dl2k.c", "rio_tx_timeout"], ["drivers/net/ethernet/dlink/sundance.c", "tx_timeout"], ["drivers/net/ethernet/emulex/benet/be_main.c", "be_tx_timeout"], ["drivers/net/ethernet/ethoc.c", "ethoc_tx_timeout"], ["drivers/net/ethernet/faraday/ftgmac100.c", "ftgmac100_tx_timeout"], ["drivers/net/ethernet/fealnx.c", "fealnx_tx_timeout"], ["drivers/net/ethernet/freescale/dpaa/dpaa_eth.c", "dpaa_tx_timeout"], ["drivers/net/ethernet/freescale/fec_main.c", "fec_timeout"], ["drivers/net/ethernet/freescale/fec_mpc52xx.c", "mpc52xx_fec_tx_timeout"], ["drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c", "fs_timeout"], ["drivers/net/ethernet/freescale/gianfar.c", "gfar_timeout"], ["drivers/net/ethernet/freescale/ucc_geth.c", "ucc_geth_timeout"], ["drivers/net/ethernet/fujitsu/fmvj18x_cs.c", "fjn_tx_timeout"], ["drivers/net/ethernet/google/gve/gve_main.c", "gve_tx_timeout"], ["drivers/net/ethernet/hisilicon/hip04_eth.c", "hip04_timeout"], ["drivers/net/ethernet/hisilicon/hix5hd2_gmac.c", "hix5hd2_net_timeout"], ["drivers/net/ethernet/hisilicon/hns/hns_enet.c", "hns_nic_net_timeout"], ["drivers/net/ethernet/hisilicon/hns3/hns3_enet.c", "hns3_nic_net_timeout"], ["drivers/net/ethernet/huawei/hinic/hinic_main.c", "hinic_tx_timeout"], ["drivers/net/ethernet/i825xx/82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/ether1.c", "ether1_timeout"], ["drivers/net/ethernet/i825xx/lib82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/sun3_82586.c", "sun3_82586_timeout"], ["drivers/net/ethernet/ibm/ehea/ehea_main.c", "ehea_tx_watchdog"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/ibmvnic.c", "ibmvnic_tx_timeout"], ["drivers/net/ethernet/intel/e100.c", "e100_tx_timeout"], ["drivers/net/ethernet/intel/e1000/e1000_main.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/e1000e/netdev.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/fm10k/fm10k_netdev.c", "fm10k_tx_timeout"], ["drivers/net/ethernet/intel/i40e/i40e_main.c", "i40e_tx_timeout"], ["drivers/net/ethernet/intel/iavf/iavf_main.c", "iavf_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/igb/igb_main.c", "igb_tx_timeout"], ["drivers/net/ethernet/intel/igbvf/netdev.c", "igbvf_tx_timeout"], ["drivers/net/ethernet/intel/ixgb/ixgb_main.c", "ixgb_tx_timeout"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c", "adapter->netdev->netdev_ops->ndo_tx_timeout(adapter->netdev);"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_main.c", "ixgbe_tx_timeout"], ["drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c", "ixgbevf_tx_timeout"], ["drivers/net/ethernet/jme.c", "jme_tx_timeout"], ["drivers/net/ethernet/korina.c", "korina_tx_timeout"], ["drivers/net/ethernet/lantiq_etop.c", "ltq_etop_tx_timeout"], ["drivers/net/ethernet/marvell/mv643xx_eth.c", "mv643xx_eth_tx_timeout"], ["drivers/net/ethernet/marvell/pxa168_eth.c", "pxa168_eth_tx_timeout"], ["drivers/net/ethernet/marvell/skge.c", "skge_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/mediatek/mtk_eth_soc.c", "mtk_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx5/core/en_main.c", "mlx5e_tx_timeout"], ["drivers/net/ethernet/micrel/ks8842.c", "ks8842_tx_timeout"], ["drivers/net/ethernet/micrel/ksz884x.c", "netdev_tx_timeout"], ["drivers/net/ethernet/microchip/enc28j60.c", "enc28j60_tx_timeout"], ["drivers/net/ethernet/microchip/encx24j600.c", "encx24j600_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.h", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/jazzsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/macsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/natsemi.c", "ns_tx_timeout"], ["drivers/net/ethernet/natsemi/ns83820.c", "ns83820_tx_timeout"], ["drivers/net/ethernet/natsemi/xtsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/neterion/s2io.h", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/s2io.c", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/vxge/vxge-main.c", "vxge_tx_watchdog"], ["drivers/net/ethernet/netronome/nfp/nfp_net_common.c", "nfp_net_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c", "pch_gbe_tx_timeout"], ["drivers/net/ethernet/packetengines/hamachi.c", "hamachi_tx_timeout"], ["drivers/net/ethernet/packetengines/yellowfin.c", "yellowfin_tx_timeout"], ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "ionic_tx_timeout"], ["drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c", "netxen_tx_timeout"], ["drivers/net/ethernet/qlogic/qla3xxx.c", "ql3xxx_tx_timeout"], ["drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c", "qlcnic_tx_timeout"], ["drivers/net/ethernet/qualcomm/emac/emac.c", "emac_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_spi.c", "qcaspi_netdev_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_uart.c", "qcauart_netdev_tx_timeout"], ["drivers/net/ethernet/rdc/r6040.c", "r6040_tx_timeout"], ["drivers/net/ethernet/realtek/8139cp.c", "cp_tx_timeout"], ["drivers/net/ethernet/realtek/8139too.c", "rtl8139_tx_timeout"], ["drivers/net/ethernet/realtek/atp.c", "tx_timeout"], ["drivers/net/ethernet/realtek/r8169_main.c", "rtl8169_tx_timeout"], ["drivers/net/ethernet/renesas/ravb_main.c", "ravb_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c", "sxgbe_tx_timeout"], ["drivers/net/ethernet/seeq/ether3.c", "ether3_timeout"], ["drivers/net/ethernet/seeq/sgiseeq.c", "timeout"], ["drivers/net/ethernet/sfc/efx.c", "efx_watchdog"], ["drivers/net/ethernet/sfc/falcon/efx.c", "ef4_watchdog"], ["drivers/net/ethernet/sgi/ioc3-eth.c", "ioc3_timeout"], ["drivers/net/ethernet/sgi/meth.c", "meth_tx_timeout"], ["drivers/net/ethernet/silan/sc92031.c", "sc92031_tx_timeout"], ["drivers/net/ethernet/sis/sis190.c", "sis190_tx_timeout"], ["drivers/net/ethernet/sis/sis900.c", "sis900_tx_timeout"], ["drivers/net/ethernet/smsc/epic100.c", "epic_tx_timeout"], ["drivers/net/ethernet/smsc/smc911x.c", "smc911x_timeout"], ["drivers/net/ethernet/smsc/smc9194.c", "smc_timeout"], ["drivers/net/ethernet/smsc/smc91c92_cs.c", "smc_tx_timeout"], ["drivers/net/ethernet/smsc/smc91x.c", "smc_timeout"], ["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c", "stmmac_tx_timeout"], ["drivers/net/ethernet/sun/cassini.c", "cas_tx_timeout"], ["drivers/net/ethernet/sun/ldmvsw.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/niu.c", "niu_tx_timeout"], ["drivers/net/ethernet/sun/sunbmac.c", "bigmac_tx_timeout"], ["drivers/net/ethernet/sun/sungem.c", "gem_tx_timeout"], ["drivers/net/ethernet/sun/sunhme.c", "happy_meal_tx_timeout"], ["drivers/net/ethernet/sun/sunqe.c", "qe_tx_timeout"], ["drivers/net/ethernet/sun/sunvnet.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.h", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/synopsys/dwc-xlgmac-net.c", "xlgmac_tx_timeout"], ["drivers/net/ethernet/ti/cpmac.c", "cpmac_tx_timeout"], ["drivers/net/ethernet/ti/cpsw.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.h", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/davinci_emac.c", "emac_dev_tx_timeout"], ["drivers/net/ethernet/ti/netcp_core.c", "netcp_ndo_tx_timeout"], ["drivers/net/ethernet/ti/tlan.c", "tlan_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.h", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_wireless.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/spider_net.c", "spider_net_tx_timeout"], ["drivers/net/ethernet/toshiba/tc35815.c", "tc35815_tx_timeout"], ["drivers/net/ethernet/via/via-rhine.c", "rhine_tx_timeout"], ["drivers/net/ethernet/wiznet/w5100.c", "w5100_tx_timeout"], ["drivers/net/ethernet/wiznet/w5300.c", "w5300_tx_timeout"], ["drivers/net/ethernet/xilinx/xilinx_emaclite.c", "xemaclite_tx_timeout"], ["drivers/net/ethernet/xircom/xirc2ps_cs.c", "xirc_tx_timeout"], ["drivers/net/fjes/fjes_main.c", "fjes_tx_retry"], ["drivers/net/slip/slip.c", "sl_tx_timeout"], ["include/linux/usb/usbnet.h", "usbnet_tx_timeout"], ["drivers/net/usb/aqc111.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88172a.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88179_178a.c", "usbnet_tx_timeout"], ["drivers/net/usb/catc.c", "catc_tx_timeout"], ["drivers/net/usb/cdc_mbim.c", "usbnet_tx_timeout"], ["drivers/net/usb/cdc_ncm.c", "usbnet_tx_timeout"], ["drivers/net/usb/dm9601.c", "usbnet_tx_timeout"], ["drivers/net/usb/hso.c", "hso_net_tx_timeout"], ["drivers/net/usb/int51x1.c", "usbnet_tx_timeout"], ["drivers/net/usb/ipheth.c", "ipheth_tx_timeout"], ["drivers/net/usb/kaweth.c", "kaweth_tx_timeout"], ["drivers/net/usb/lan78xx.c", "lan78xx_tx_timeout"], ["drivers/net/usb/mcs7830.c", "usbnet_tx_timeout"], ["drivers/net/usb/pegasus.c", "pegasus_tx_timeout"], ["drivers/net/usb/qmi_wwan.c", "usbnet_tx_timeout"], ["drivers/net/usb/r8152.c", "rtl8152_tx_timeout"], ["drivers/net/usb/rndis_host.c", "usbnet_tx_timeout"], ["drivers/net/usb/rtl8150.c", "rtl8150_tx_timeout"], ["drivers/net/usb/sierra_net.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc75xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc95xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9700.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9800.c", "usbnet_tx_timeout"], ["drivers/net/usb/usbnet.c", "usbnet_tx_timeout"], ["drivers/net/vmxnet3/vmxnet3_drv.c", "vmxnet3_tx_timeout"], ["drivers/net/wan/cosa.c", "cosa_net_timeout"], ["drivers/net/wan/farsync.c", "fst_tx_timeout"], ["drivers/net/wan/fsl_ucc_hdlc.c", "uhdlc_tx_timeout"], ["drivers/net/wan/lmc/lmc_main.c", "lmc_driver_timeout"], ["drivers/net/wan/x25_asy.c", "x25_asy_timeout"], ["drivers/net/wimax/i2400m/netdev.c", "i2400m_tx_timeout"], ["drivers/net/wireless/intel/ipw2x00/ipw2100.c", "ipw2100_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/main.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco_usb.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco.h", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_dev.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.h", "islpci_eth_tx_timeout"], ["drivers/net/wireless/marvell/mwifiex/main.c", "mwifiex_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.c", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.h", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/rndis_wlan.c", "usbnet_tx_timeout"], ["drivers/net/wireless/wl3501_cs.c", "wl3501_tx_timeout"], ["drivers/net/wireless/zydas/zd1201.c", "zd1201_tx_timeout"], ["drivers/s390/net/qeth_core.h", "qeth_tx_timeout"], ["drivers/s390/net/qeth_core_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/staging/ks7010/ks_wlan_net.c", "ks_wlan_tx_timeout"], ["drivers/staging/qlge/qlge_main.c", "qlge_tx_timeout"], ["drivers/staging/rtl8192e/rtl8192e/rtl_core.c", "_rtl92e_tx_timeout"], ["drivers/staging/rtl8192u/r8192U_core.c", "tx_timeout"], ["drivers/staging/unisys/visornic/visornic_main.c", "visornic_xmit_timeout"], ["drivers/staging/wlan-ng/p80211netdev.c", "p80211knetdev_tx_timeout"], ["drivers/tty/n_gsm.c", "gsm_mux_net_tx_timeout"], ["drivers/tty/synclink.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclink_gt.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclinkmp.c", "hdlcdev_tx_timeout"], ["net/atm/lec.c", "lec_tx_timeout"], ["net/bluetooth/bnep/netdev.c", "bnep_net_timeout"] ); for my $p (@work) { my @pair = @$p; my $file = $pair[0]; my $func = $pair[1]; print STDERR $file , ": ", $func,"\n"; our @ARGV = ($file); while (<ARGV>) { if (m/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/) { print STDERR "found $1+$2 in $file\n"; } if (s/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/$1, unsigned int txqueue$2/) { print STDERR "$func found in $file\n"; } print; } } where the list of files and functions is simply from: git grep ndo_tx_timeout, with manual addition of headers in the rare cases where the function is from a header, then manually changing the few places which actually call ndo_tx_timeout. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Shannon Nelson <snelson@pensando.io> Reviewed-by: Martin Habets <mhabets@solarflare.com> changes from v9: fixup a forward declaration changes from v9: more leftovers from v3 change changes from v8: fix up a missing direct call to timeout rebased on net-next changes from v7: fixup leftovers from v3 change changes from v6: fix typo in rtl driver changes from v5: add missing files (allow any net device argument name) changes from v4: add a missing driver header changes from v3: change queue # to unsigned Changes from v2: added headers Changes from v1: Fix errors found by kbuild: generalize the pattern a bit, to pick up a couple of instances missed by the previous version. Signed-off-by: David S. Miller <davem@davemloft.net>
548 lines
14 KiB
C
548 lines
14 KiB
C
/*
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* ipheth.c - Apple iPhone USB Ethernet driver
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*
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* Copyright (c) 2009 Diego Giagio <diego@giagio.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of GIAGIO.COM nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* Alternatively, provided that this notice is retained in full, this
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* software may be distributed under the terms of the GNU General
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* Public License ("GPL") version 2, in which case the provisions of the
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* GPL apply INSTEAD OF those given above.
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*
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* The provided data structures and external interfaces from this code
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* are not restricted to be used by modules with a GPL compatible license.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*
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* Attention: iPhone device must be paired, otherwise it won't respond to our
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* driver. For more info: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver
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*
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/usb.h>
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#include <linux/workqueue.h>
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#define USB_VENDOR_APPLE 0x05ac
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#define IPHETH_USBINTF_CLASS 255
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#define IPHETH_USBINTF_SUBCLASS 253
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#define IPHETH_USBINTF_PROTO 1
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#define IPHETH_BUF_SIZE 1516
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#define IPHETH_IP_ALIGN 2 /* padding at front of URB */
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#define IPHETH_TX_TIMEOUT (5 * HZ)
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#define IPHETH_INTFNUM 2
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#define IPHETH_ALT_INTFNUM 1
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#define IPHETH_CTRL_ENDP 0x00
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#define IPHETH_CTRL_BUF_SIZE 0x40
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#define IPHETH_CTRL_TIMEOUT (5 * HZ)
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#define IPHETH_CMD_GET_MACADDR 0x00
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#define IPHETH_CMD_CARRIER_CHECK 0x45
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#define IPHETH_CARRIER_CHECK_TIMEOUT round_jiffies_relative(1 * HZ)
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#define IPHETH_CARRIER_ON 0x04
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static const struct usb_device_id ipheth_table[] = {
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{ USB_VENDOR_AND_INTERFACE_INFO(USB_VENDOR_APPLE, IPHETH_USBINTF_CLASS,
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IPHETH_USBINTF_SUBCLASS,
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IPHETH_USBINTF_PROTO) },
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{ }
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};
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MODULE_DEVICE_TABLE(usb, ipheth_table);
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struct ipheth_device {
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struct usb_device *udev;
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struct usb_interface *intf;
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struct net_device *net;
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struct urb *tx_urb;
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struct urb *rx_urb;
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unsigned char *tx_buf;
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unsigned char *rx_buf;
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unsigned char *ctrl_buf;
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u8 bulk_in;
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u8 bulk_out;
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struct delayed_work carrier_work;
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bool confirmed_pairing;
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};
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static int ipheth_rx_submit(struct ipheth_device *dev, gfp_t mem_flags);
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static int ipheth_alloc_urbs(struct ipheth_device *iphone)
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{
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struct urb *tx_urb = NULL;
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struct urb *rx_urb = NULL;
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u8 *tx_buf = NULL;
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u8 *rx_buf = NULL;
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tx_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (tx_urb == NULL)
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goto error_nomem;
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rx_urb = usb_alloc_urb(0, GFP_KERNEL);
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if (rx_urb == NULL)
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goto free_tx_urb;
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tx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE,
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GFP_KERNEL, &tx_urb->transfer_dma);
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if (tx_buf == NULL)
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goto free_rx_urb;
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rx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE,
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GFP_KERNEL, &rx_urb->transfer_dma);
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if (rx_buf == NULL)
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goto free_tx_buf;
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iphone->tx_urb = tx_urb;
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iphone->rx_urb = rx_urb;
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iphone->tx_buf = tx_buf;
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iphone->rx_buf = rx_buf;
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return 0;
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free_tx_buf:
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usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, tx_buf,
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tx_urb->transfer_dma);
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free_rx_urb:
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usb_free_urb(rx_urb);
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free_tx_urb:
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usb_free_urb(tx_urb);
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error_nomem:
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return -ENOMEM;
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}
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static void ipheth_free_urbs(struct ipheth_device *iphone)
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{
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usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->rx_buf,
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iphone->rx_urb->transfer_dma);
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usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->tx_buf,
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iphone->tx_urb->transfer_dma);
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usb_free_urb(iphone->rx_urb);
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usb_free_urb(iphone->tx_urb);
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}
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static void ipheth_kill_urbs(struct ipheth_device *dev)
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{
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usb_kill_urb(dev->tx_urb);
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usb_kill_urb(dev->rx_urb);
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}
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static void ipheth_rcvbulk_callback(struct urb *urb)
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{
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struct ipheth_device *dev;
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struct sk_buff *skb;
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int status;
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char *buf;
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int len;
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dev = urb->context;
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if (dev == NULL)
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return;
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status = urb->status;
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switch (status) {
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case -ENOENT:
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case -ECONNRESET:
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case -ESHUTDOWN:
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case -EPROTO:
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return;
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case 0:
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break;
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default:
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dev_err(&dev->intf->dev, "%s: urb status: %d\n",
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__func__, status);
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return;
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}
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if (urb->actual_length <= IPHETH_IP_ALIGN) {
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dev->net->stats.rx_length_errors++;
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return;
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}
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len = urb->actual_length - IPHETH_IP_ALIGN;
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buf = urb->transfer_buffer + IPHETH_IP_ALIGN;
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skb = dev_alloc_skb(len);
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if (!skb) {
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dev_err(&dev->intf->dev, "%s: dev_alloc_skb: -ENOMEM\n",
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__func__);
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dev->net->stats.rx_dropped++;
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return;
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}
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skb_put_data(skb, buf, len);
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skb->dev = dev->net;
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skb->protocol = eth_type_trans(skb, dev->net);
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dev->net->stats.rx_packets++;
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dev->net->stats.rx_bytes += len;
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dev->confirmed_pairing = true;
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netif_rx(skb);
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ipheth_rx_submit(dev, GFP_ATOMIC);
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}
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static void ipheth_sndbulk_callback(struct urb *urb)
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{
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struct ipheth_device *dev;
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int status = urb->status;
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dev = urb->context;
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if (dev == NULL)
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return;
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if (status != 0 &&
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status != -ENOENT &&
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status != -ECONNRESET &&
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status != -ESHUTDOWN)
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dev_err(&dev->intf->dev, "%s: urb status: %d\n",
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__func__, status);
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if (status == 0)
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netif_wake_queue(dev->net);
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else
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// on URB error, trigger immediate poll
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schedule_delayed_work(&dev->carrier_work, 0);
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}
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static int ipheth_carrier_set(struct ipheth_device *dev)
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{
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struct usb_device *udev;
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int retval;
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if (!dev->confirmed_pairing)
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return 0;
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udev = dev->udev;
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retval = usb_control_msg(udev,
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usb_rcvctrlpipe(udev, IPHETH_CTRL_ENDP),
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IPHETH_CMD_CARRIER_CHECK, /* request */
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0xc0, /* request type */
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0x00, /* value */
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0x02, /* index */
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dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE,
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IPHETH_CTRL_TIMEOUT);
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if (retval < 0) {
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dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n",
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__func__, retval);
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return retval;
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}
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if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON) {
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netif_carrier_on(dev->net);
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if (dev->tx_urb->status != -EINPROGRESS)
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netif_wake_queue(dev->net);
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} else {
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netif_carrier_off(dev->net);
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netif_stop_queue(dev->net);
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}
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return 0;
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}
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static void ipheth_carrier_check_work(struct work_struct *work)
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{
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struct ipheth_device *dev = container_of(work, struct ipheth_device,
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carrier_work.work);
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ipheth_carrier_set(dev);
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schedule_delayed_work(&dev->carrier_work, IPHETH_CARRIER_CHECK_TIMEOUT);
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}
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static int ipheth_get_macaddr(struct ipheth_device *dev)
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{
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struct usb_device *udev = dev->udev;
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struct net_device *net = dev->net;
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int retval;
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retval = usb_control_msg(udev,
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usb_rcvctrlpipe(udev, IPHETH_CTRL_ENDP),
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IPHETH_CMD_GET_MACADDR, /* request */
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0xc0, /* request type */
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0x00, /* value */
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0x02, /* index */
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dev->ctrl_buf,
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IPHETH_CTRL_BUF_SIZE,
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IPHETH_CTRL_TIMEOUT);
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if (retval < 0) {
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dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n",
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__func__, retval);
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} else if (retval < ETH_ALEN) {
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dev_err(&dev->intf->dev,
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"%s: usb_control_msg: short packet: %d bytes\n",
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__func__, retval);
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retval = -EINVAL;
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} else {
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memcpy(net->dev_addr, dev->ctrl_buf, ETH_ALEN);
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retval = 0;
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}
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return retval;
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}
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static int ipheth_rx_submit(struct ipheth_device *dev, gfp_t mem_flags)
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{
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struct usb_device *udev = dev->udev;
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int retval;
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usb_fill_bulk_urb(dev->rx_urb, udev,
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usb_rcvbulkpipe(udev, dev->bulk_in),
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dev->rx_buf, IPHETH_BUF_SIZE,
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ipheth_rcvbulk_callback,
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dev);
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dev->rx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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retval = usb_submit_urb(dev->rx_urb, mem_flags);
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if (retval)
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dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n",
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__func__, retval);
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return retval;
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}
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static int ipheth_open(struct net_device *net)
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{
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struct ipheth_device *dev = netdev_priv(net);
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struct usb_device *udev = dev->udev;
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int retval = 0;
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usb_set_interface(udev, IPHETH_INTFNUM, IPHETH_ALT_INTFNUM);
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retval = ipheth_carrier_set(dev);
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if (retval)
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return retval;
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retval = ipheth_rx_submit(dev, GFP_KERNEL);
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if (retval)
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return retval;
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schedule_delayed_work(&dev->carrier_work, IPHETH_CARRIER_CHECK_TIMEOUT);
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return retval;
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}
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static int ipheth_close(struct net_device *net)
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{
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struct ipheth_device *dev = netdev_priv(net);
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cancel_delayed_work_sync(&dev->carrier_work);
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netif_stop_queue(net);
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return 0;
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}
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static int ipheth_tx(struct sk_buff *skb, struct net_device *net)
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{
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struct ipheth_device *dev = netdev_priv(net);
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struct usb_device *udev = dev->udev;
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int retval;
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/* Paranoid */
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if (skb->len > IPHETH_BUF_SIZE) {
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WARN(1, "%s: skb too large: %d bytes\n", __func__, skb->len);
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dev->net->stats.tx_dropped++;
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dev_kfree_skb_any(skb);
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return NETDEV_TX_OK;
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}
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memcpy(dev->tx_buf, skb->data, skb->len);
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if (skb->len < IPHETH_BUF_SIZE)
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memset(dev->tx_buf + skb->len, 0, IPHETH_BUF_SIZE - skb->len);
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usb_fill_bulk_urb(dev->tx_urb, udev,
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usb_sndbulkpipe(udev, dev->bulk_out),
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dev->tx_buf, IPHETH_BUF_SIZE,
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ipheth_sndbulk_callback,
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dev);
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dev->tx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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netif_stop_queue(net);
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retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC);
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if (retval) {
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dev_err(&dev->intf->dev, "%s: usb_submit_urb: %d\n",
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__func__, retval);
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dev->net->stats.tx_errors++;
|
|
dev_kfree_skb_any(skb);
|
|
netif_wake_queue(net);
|
|
} else {
|
|
dev->net->stats.tx_packets++;
|
|
dev->net->stats.tx_bytes += skb->len;
|
|
dev_consume_skb_any(skb);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
static void ipheth_tx_timeout(struct net_device *net, unsigned int txqueue)
|
|
{
|
|
struct ipheth_device *dev = netdev_priv(net);
|
|
|
|
dev_err(&dev->intf->dev, "%s: TX timeout\n", __func__);
|
|
dev->net->stats.tx_errors++;
|
|
usb_unlink_urb(dev->tx_urb);
|
|
}
|
|
|
|
static u32 ipheth_ethtool_op_get_link(struct net_device *net)
|
|
{
|
|
struct ipheth_device *dev = netdev_priv(net);
|
|
return netif_carrier_ok(dev->net);
|
|
}
|
|
|
|
static const struct ethtool_ops ops = {
|
|
.get_link = ipheth_ethtool_op_get_link
|
|
};
|
|
|
|
static const struct net_device_ops ipheth_netdev_ops = {
|
|
.ndo_open = ipheth_open,
|
|
.ndo_stop = ipheth_close,
|
|
.ndo_start_xmit = ipheth_tx,
|
|
.ndo_tx_timeout = ipheth_tx_timeout,
|
|
};
|
|
|
|
static int ipheth_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
struct usb_host_interface *hintf;
|
|
struct usb_endpoint_descriptor *endp;
|
|
struct ipheth_device *dev;
|
|
struct net_device *netdev;
|
|
int i;
|
|
int retval;
|
|
|
|
netdev = alloc_etherdev(sizeof(struct ipheth_device));
|
|
if (!netdev)
|
|
return -ENOMEM;
|
|
|
|
netdev->netdev_ops = &ipheth_netdev_ops;
|
|
netdev->watchdog_timeo = IPHETH_TX_TIMEOUT;
|
|
strcpy(netdev->name, "eth%d");
|
|
|
|
dev = netdev_priv(netdev);
|
|
dev->udev = udev;
|
|
dev->net = netdev;
|
|
dev->intf = intf;
|
|
dev->confirmed_pairing = false;
|
|
/* Set up endpoints */
|
|
hintf = usb_altnum_to_altsetting(intf, IPHETH_ALT_INTFNUM);
|
|
if (hintf == NULL) {
|
|
retval = -ENODEV;
|
|
dev_err(&intf->dev, "Unable to find alternate settings interface\n");
|
|
goto err_endpoints;
|
|
}
|
|
|
|
for (i = 0; i < hintf->desc.bNumEndpoints; i++) {
|
|
endp = &hintf->endpoint[i].desc;
|
|
if (usb_endpoint_is_bulk_in(endp))
|
|
dev->bulk_in = endp->bEndpointAddress;
|
|
else if (usb_endpoint_is_bulk_out(endp))
|
|
dev->bulk_out = endp->bEndpointAddress;
|
|
}
|
|
if (!(dev->bulk_in && dev->bulk_out)) {
|
|
retval = -ENODEV;
|
|
dev_err(&intf->dev, "Unable to find endpoints\n");
|
|
goto err_endpoints;
|
|
}
|
|
|
|
dev->ctrl_buf = kmalloc(IPHETH_CTRL_BUF_SIZE, GFP_KERNEL);
|
|
if (dev->ctrl_buf == NULL) {
|
|
retval = -ENOMEM;
|
|
goto err_alloc_ctrl_buf;
|
|
}
|
|
|
|
retval = ipheth_get_macaddr(dev);
|
|
if (retval)
|
|
goto err_get_macaddr;
|
|
|
|
INIT_DELAYED_WORK(&dev->carrier_work, ipheth_carrier_check_work);
|
|
|
|
retval = ipheth_alloc_urbs(dev);
|
|
if (retval) {
|
|
dev_err(&intf->dev, "error allocating urbs: %d\n", retval);
|
|
goto err_alloc_urbs;
|
|
}
|
|
|
|
usb_set_intfdata(intf, dev);
|
|
|
|
SET_NETDEV_DEV(netdev, &intf->dev);
|
|
netdev->ethtool_ops = &ops;
|
|
|
|
retval = register_netdev(netdev);
|
|
if (retval) {
|
|
dev_err(&intf->dev, "error registering netdev: %d\n", retval);
|
|
retval = -EIO;
|
|
goto err_register_netdev;
|
|
}
|
|
// carrier down and transmit queues stopped until packet from device
|
|
netif_carrier_off(netdev);
|
|
netif_tx_stop_all_queues(netdev);
|
|
dev_info(&intf->dev, "Apple iPhone USB Ethernet device attached\n");
|
|
return 0;
|
|
|
|
err_register_netdev:
|
|
ipheth_free_urbs(dev);
|
|
err_alloc_urbs:
|
|
err_get_macaddr:
|
|
err_alloc_ctrl_buf:
|
|
kfree(dev->ctrl_buf);
|
|
err_endpoints:
|
|
free_netdev(netdev);
|
|
return retval;
|
|
}
|
|
|
|
static void ipheth_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct ipheth_device *dev;
|
|
|
|
dev = usb_get_intfdata(intf);
|
|
if (dev != NULL) {
|
|
unregister_netdev(dev->net);
|
|
ipheth_kill_urbs(dev);
|
|
ipheth_free_urbs(dev);
|
|
kfree(dev->ctrl_buf);
|
|
free_netdev(dev->net);
|
|
}
|
|
usb_set_intfdata(intf, NULL);
|
|
dev_info(&intf->dev, "Apple iPhone USB Ethernet now disconnected\n");
|
|
}
|
|
|
|
static struct usb_driver ipheth_driver = {
|
|
.name = "ipheth",
|
|
.probe = ipheth_probe,
|
|
.disconnect = ipheth_disconnect,
|
|
.id_table = ipheth_table,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
module_usb_driver(ipheth_driver);
|
|
|
|
MODULE_AUTHOR("Diego Giagio <diego@giagio.com>");
|
|
MODULE_DESCRIPTION("Apple iPhone USB Ethernet driver");
|
|
MODULE_LICENSE("Dual BSD/GPL");
|