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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-02-16 10:32:40 +07:00
![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>
604 lines
19 KiB
C
604 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Intel Wireless WiMAX Connection 2400m
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* Glue with the networking stack
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*
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* Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
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* Yanir Lubetkin <yanirx.lubetkin@intel.com>
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* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
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*
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* This implements an ethernet device for the i2400m.
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*
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* We fake being an ethernet device to simplify the support from user
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* space and from the other side. The world is (sadly) configured to
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* take in only Ethernet devices...
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*
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* Because of this, when using firmwares <= v1.3, there is an
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* copy-each-rxed-packet overhead on the RX path. Each IP packet has
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* to be reallocated to add an ethernet header (as there is no space
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* in what we get from the device). This is a known drawback and
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* firmwares >= 1.4 add header space that can be used to insert the
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* ethernet header without having to reallocate and copy.
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*
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* TX error handling is tricky; because we have to FIFO/queue the
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* buffers for transmission (as the hardware likes it aggregated), we
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* just give the skb to the TX subsystem and by the time it is
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* transmitted, we have long forgotten about it. So we just don't care
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* too much about it.
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*
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* Note that when the device is in idle mode with the basestation, we
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* need to negotiate coming back up online. That involves negotiation
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* and possible user space interaction. Thus, we defer to a workqueue
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* to do all that. By default, we only queue a single packet and drop
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* the rest, as potentially the time to go back from idle to normal is
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* long.
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*
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* ROADMAP
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*
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* i2400m_open Called on ifconfig up
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* i2400m_stop Called on ifconfig down
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*
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* i2400m_hard_start_xmit Called by the network stack to send a packet
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* i2400m_net_wake_tx Wake up device from basestation-IDLE & TX
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* i2400m_wake_tx_work
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* i2400m_cmd_exit_idle
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* i2400m_tx
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* i2400m_net_tx TX a data frame
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* i2400m_tx
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*
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* i2400m_change_mtu Called on ifconfig mtu XXX
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*
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* i2400m_tx_timeout Called when the device times out
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*
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* i2400m_net_rx Called by the RX code when a data frame is
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* available (firmware <= 1.3)
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* i2400m_net_erx Called by the RX code when a data frame is
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* available (firmware >= 1.4).
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* i2400m_netdev_setup Called to setup all the netdev stuff from
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* alloc_netdev.
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*/
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#include <linux/if_arp.h>
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#include <linux/slab.h>
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/export.h>
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#include "i2400m.h"
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#define D_SUBMODULE netdev
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#include "debug-levels.h"
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enum {
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/* netdev interface */
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/* 20 secs? yep, this is the maximum timeout that the device
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* might take to get out of IDLE / negotiate it with the base
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* station. We add 1sec for good measure. */
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I2400M_TX_TIMEOUT = 21 * HZ,
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/*
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* Experimentation has determined that, 20 to be a good value
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* for minimizing the jitter in the throughput.
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*/
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I2400M_TX_QLEN = 20,
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};
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static
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int i2400m_open(struct net_device *net_dev)
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{
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int result;
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struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
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struct device *dev = i2400m_dev(i2400m);
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d_fnstart(3, dev, "(net_dev %p [i2400m %p])\n", net_dev, i2400m);
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/* Make sure we wait until init is complete... */
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mutex_lock(&i2400m->init_mutex);
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if (i2400m->updown)
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result = 0;
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else
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result = -EBUSY;
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mutex_unlock(&i2400m->init_mutex);
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d_fnend(3, dev, "(net_dev %p [i2400m %p]) = %d\n",
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net_dev, i2400m, result);
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return result;
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}
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static
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int i2400m_stop(struct net_device *net_dev)
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{
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struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
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struct device *dev = i2400m_dev(i2400m);
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d_fnstart(3, dev, "(net_dev %p [i2400m %p])\n", net_dev, i2400m);
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i2400m_net_wake_stop(i2400m);
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d_fnend(3, dev, "(net_dev %p [i2400m %p]) = 0\n", net_dev, i2400m);
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return 0;
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}
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/*
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* Wake up the device and transmit a held SKB, then restart the net queue
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*
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* When the device goes into basestation-idle mode, we need to tell it
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* to exit that mode; it will negotiate with the base station, user
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* space may have to intervene to rehandshake crypto and then tell us
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* when it is ready to transmit the packet we have "queued". Still we
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* need to give it sometime after it reports being ok.
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*
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* On error, there is not much we can do. If the error was on TX, we
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* still wake the queue up to see if the next packet will be luckier.
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*
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* If _cmd_exit_idle() fails...well, it could be many things; most
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* commonly it is that something else took the device out of IDLE mode
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* (for example, the base station). In that case we get an -EILSEQ and
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* we are just going to ignore that one. If the device is back to
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* connected, then fine -- if it is someother state, the packet will
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* be dropped anyway.
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*/
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void i2400m_wake_tx_work(struct work_struct *ws)
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{
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int result;
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struct i2400m *i2400m = container_of(ws, struct i2400m, wake_tx_ws);
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struct net_device *net_dev = i2400m->wimax_dev.net_dev;
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struct device *dev = i2400m_dev(i2400m);
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struct sk_buff *skb;
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unsigned long flags;
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spin_lock_irqsave(&i2400m->tx_lock, flags);
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skb = i2400m->wake_tx_skb;
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i2400m->wake_tx_skb = NULL;
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spin_unlock_irqrestore(&i2400m->tx_lock, flags);
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d_fnstart(3, dev, "(ws %p i2400m %p skb %p)\n", ws, i2400m, skb);
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result = -EINVAL;
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if (skb == NULL) {
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dev_err(dev, "WAKE&TX: skb disappeared!\n");
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goto out_put;
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}
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/* If we have, somehow, lost the connection after this was
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* queued, don't do anything; this might be the device got
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* reset or just disconnected. */
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if (unlikely(!netif_carrier_ok(net_dev)))
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goto out_kfree;
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result = i2400m_cmd_exit_idle(i2400m);
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if (result == -EILSEQ)
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result = 0;
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if (result < 0) {
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dev_err(dev, "WAKE&TX: device didn't get out of idle: "
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"%d - resetting\n", result);
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i2400m_reset(i2400m, I2400M_RT_BUS);
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goto error;
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}
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result = wait_event_timeout(i2400m->state_wq,
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i2400m->state != I2400M_SS_IDLE,
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net_dev->watchdog_timeo - HZ/2);
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if (result == 0)
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result = -ETIMEDOUT;
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if (result < 0) {
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dev_err(dev, "WAKE&TX: error waiting for device to exit IDLE: "
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"%d - resetting\n", result);
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i2400m_reset(i2400m, I2400M_RT_BUS);
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goto error;
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}
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msleep(20); /* device still needs some time or it drops it */
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result = i2400m_tx(i2400m, skb->data, skb->len, I2400M_PT_DATA);
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error:
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netif_wake_queue(net_dev);
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out_kfree:
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kfree_skb(skb); /* refcount transferred by _hard_start_xmit() */
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out_put:
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i2400m_put(i2400m);
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d_fnend(3, dev, "(ws %p i2400m %p skb %p) = void [%d]\n",
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ws, i2400m, skb, result);
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}
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/*
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* Prepare the data payload TX header
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*
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* The i2400m expects a 4 byte header in front of a data packet.
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*
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* Because we pretend to be an ethernet device, this packet comes with
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* an ethernet header. Pull it and push our header.
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*/
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static
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void i2400m_tx_prep_header(struct sk_buff *skb)
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{
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struct i2400m_pl_data_hdr *pl_hdr;
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skb_pull(skb, ETH_HLEN);
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pl_hdr = skb_push(skb, sizeof(*pl_hdr));
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pl_hdr->reserved = 0;
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}
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/*
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* Cleanup resources acquired during i2400m_net_wake_tx()
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*
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* This is called by __i2400m_dev_stop and means we have to make sure
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* the workqueue is flushed from any pending work.
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*/
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void i2400m_net_wake_stop(struct i2400m *i2400m)
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{
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struct device *dev = i2400m_dev(i2400m);
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struct sk_buff *wake_tx_skb;
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unsigned long flags;
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d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
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/*
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* See i2400m_hard_start_xmit(), references are taken there and
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* here we release them if the packet was still pending.
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*/
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cancel_work_sync(&i2400m->wake_tx_ws);
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spin_lock_irqsave(&i2400m->tx_lock, flags);
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wake_tx_skb = i2400m->wake_tx_skb;
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i2400m->wake_tx_skb = NULL;
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spin_unlock_irqrestore(&i2400m->tx_lock, flags);
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if (wake_tx_skb) {
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i2400m_put(i2400m);
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kfree_skb(wake_tx_skb);
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}
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d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
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}
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/*
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* TX an skb to an idle device
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*
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* When the device is in basestation-idle mode, we need to wake it up
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* and then TX. So we queue a work_struct for doing so.
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*
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* We need to get an extra ref for the skb (so it is not dropped), as
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* well as be careful not to queue more than one request (won't help
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* at all). If more than one request comes or there are errors, we
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* just drop the packets (see i2400m_hard_start_xmit()).
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*/
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static
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int i2400m_net_wake_tx(struct i2400m *i2400m, struct net_device *net_dev,
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struct sk_buff *skb)
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{
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int result;
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struct device *dev = i2400m_dev(i2400m);
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unsigned long flags;
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d_fnstart(3, dev, "(skb %p net_dev %p)\n", skb, net_dev);
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if (net_ratelimit()) {
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d_printf(3, dev, "WAKE&NETTX: "
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"skb %p sending %d bytes to radio\n",
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skb, skb->len);
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d_dump(4, dev, skb->data, skb->len);
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}
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/* We hold a ref count for i2400m and skb, so when
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* stopping() the device, we need to cancel that work
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* and if pending, release those resources. */
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result = 0;
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spin_lock_irqsave(&i2400m->tx_lock, flags);
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if (!i2400m->wake_tx_skb) {
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netif_stop_queue(net_dev);
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i2400m_get(i2400m);
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i2400m->wake_tx_skb = skb_get(skb); /* transfer ref count */
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i2400m_tx_prep_header(skb);
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result = schedule_work(&i2400m->wake_tx_ws);
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WARN_ON(result == 0);
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}
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spin_unlock_irqrestore(&i2400m->tx_lock, flags);
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if (result == 0) {
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/* Yes, this happens even if we stopped the
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* queue -- blame the queue disciplines that
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* queue without looking -- I guess there is a reason
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* for that. */
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if (net_ratelimit())
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d_printf(1, dev, "NETTX: device exiting idle, "
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"dropping skb %p, queue running %d\n",
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skb, netif_queue_stopped(net_dev));
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result = -EBUSY;
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}
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d_fnend(3, dev, "(skb %p net_dev %p) = %d\n", skb, net_dev, result);
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return result;
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}
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/*
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* Transmit a packet to the base station on behalf of the network stack.
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*
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* Returns: 0 if ok, < 0 errno code on error.
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*
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* We need to pull the ethernet header and add the hardware header,
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* which is currently set to all zeroes and reserved.
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*/
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static
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int i2400m_net_tx(struct i2400m *i2400m, struct net_device *net_dev,
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struct sk_buff *skb)
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{
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int result;
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struct device *dev = i2400m_dev(i2400m);
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d_fnstart(3, dev, "(i2400m %p net_dev %p skb %p)\n",
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i2400m, net_dev, skb);
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/* FIXME: check eth hdr, only IPv4 is routed by the device as of now */
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netif_trans_update(net_dev);
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i2400m_tx_prep_header(skb);
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d_printf(3, dev, "NETTX: skb %p sending %d bytes to radio\n",
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skb, skb->len);
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d_dump(4, dev, skb->data, skb->len);
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result = i2400m_tx(i2400m, skb->data, skb->len, I2400M_PT_DATA);
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d_fnend(3, dev, "(i2400m %p net_dev %p skb %p) = %d\n",
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i2400m, net_dev, skb, result);
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return result;
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}
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/*
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* Transmit a packet to the base station on behalf of the network stack
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*
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*
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* Returns: NETDEV_TX_OK (always, even in case of error)
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*
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* In case of error, we just drop it. Reasons:
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*
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* - we add a hw header to each skb, and if the network stack
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* retries, we have no way to know if that skb has it or not.
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*
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* - network protocols have their own drop-recovery mechanisms
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*
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* - there is not much else we can do
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*
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* If the device is idle, we need to wake it up; that is an operation
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* that will sleep. See i2400m_net_wake_tx() for details.
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*/
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static
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netdev_tx_t i2400m_hard_start_xmit(struct sk_buff *skb,
|
|
struct net_device *net_dev)
|
|
{
|
|
struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
|
|
struct device *dev = i2400m_dev(i2400m);
|
|
int result = -1;
|
|
|
|
d_fnstart(3, dev, "(skb %p net_dev %p)\n", skb, net_dev);
|
|
|
|
if (skb_cow_head(skb, 0))
|
|
goto drop;
|
|
|
|
if (i2400m->state == I2400M_SS_IDLE)
|
|
result = i2400m_net_wake_tx(i2400m, net_dev, skb);
|
|
else
|
|
result = i2400m_net_tx(i2400m, net_dev, skb);
|
|
if (result < 0) {
|
|
drop:
|
|
net_dev->stats.tx_dropped++;
|
|
} else {
|
|
net_dev->stats.tx_packets++;
|
|
net_dev->stats.tx_bytes += skb->len;
|
|
}
|
|
dev_kfree_skb(skb);
|
|
d_fnend(3, dev, "(skb %p net_dev %p) = %d\n", skb, net_dev, result);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
|
|
static
|
|
void i2400m_tx_timeout(struct net_device *net_dev, unsigned int txqueue)
|
|
{
|
|
/*
|
|
* We might want to kick the device
|
|
*
|
|
* There is not much we can do though, as the device requires
|
|
* that we send the data aggregated. By the time we receive
|
|
* this, there might be data pending to be sent or not...
|
|
*/
|
|
net_dev->stats.tx_errors++;
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a fake ethernet header
|
|
*
|
|
* For emulating an ethernet device, every received IP header has to
|
|
* be prefixed with an ethernet header. Fake it with the given
|
|
* protocol.
|
|
*/
|
|
static
|
|
void i2400m_rx_fake_eth_header(struct net_device *net_dev,
|
|
void *_eth_hdr, __be16 protocol)
|
|
{
|
|
struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
|
|
struct ethhdr *eth_hdr = _eth_hdr;
|
|
|
|
memcpy(eth_hdr->h_dest, net_dev->dev_addr, sizeof(eth_hdr->h_dest));
|
|
memcpy(eth_hdr->h_source, i2400m->src_mac_addr,
|
|
sizeof(eth_hdr->h_source));
|
|
eth_hdr->h_proto = protocol;
|
|
}
|
|
|
|
|
|
/*
|
|
* i2400m_net_rx - pass a network packet to the stack
|
|
*
|
|
* @i2400m: device instance
|
|
* @skb_rx: the skb where the buffer pointed to by @buf is
|
|
* @i: 1 if payload is the only one
|
|
* @buf: pointer to the buffer containing the data
|
|
* @len: buffer's length
|
|
*
|
|
* This is only used now for the v1.3 firmware. It will be deprecated
|
|
* in >= 2.6.31.
|
|
*
|
|
* Note that due to firmware limitations, we don't have space to add
|
|
* an ethernet header, so we need to copy each packet. Firmware
|
|
* versions >= v1.4 fix this [see i2400m_net_erx()].
|
|
*
|
|
* We just clone the skb and set it up so that it's skb->data pointer
|
|
* points to "buf" and it's length.
|
|
*
|
|
* Note that if the payload is the last (or the only one) in a
|
|
* multi-payload message, we don't clone the SKB but just reuse it.
|
|
*
|
|
* This function is normally run from a thread context. However, we
|
|
* still use netif_rx() instead of netif_receive_skb() as was
|
|
* recommended in the mailing list. Reason is in some stress tests
|
|
* when sending/receiving a lot of data we seem to hit a softlock in
|
|
* the kernel's TCP implementation [aroudn tcp_delay_timer()]. Using
|
|
* netif_rx() took care of the issue.
|
|
*
|
|
* This is, of course, still open to do more research on why running
|
|
* with netif_receive_skb() hits this softlock. FIXME.
|
|
*
|
|
* FIXME: currently we don't do any efforts at distinguishing if what
|
|
* we got was an IPv4 or IPv6 header, to setup the protocol field
|
|
* correctly.
|
|
*/
|
|
void i2400m_net_rx(struct i2400m *i2400m, struct sk_buff *skb_rx,
|
|
unsigned i, const void *buf, int buf_len)
|
|
{
|
|
struct net_device *net_dev = i2400m->wimax_dev.net_dev;
|
|
struct device *dev = i2400m_dev(i2400m);
|
|
struct sk_buff *skb;
|
|
|
|
d_fnstart(2, dev, "(i2400m %p buf %p buf_len %d)\n",
|
|
i2400m, buf, buf_len);
|
|
if (i) {
|
|
skb = skb_get(skb_rx);
|
|
d_printf(2, dev, "RX: reusing first payload skb %p\n", skb);
|
|
skb_pull(skb, buf - (void *) skb->data);
|
|
skb_trim(skb, (void *) skb_end_pointer(skb) - buf);
|
|
} else {
|
|
/* Yes, this is bad -- a lot of overhead -- see
|
|
* comments at the top of the file */
|
|
skb = __netdev_alloc_skb(net_dev, buf_len, GFP_KERNEL);
|
|
if (skb == NULL) {
|
|
dev_err(dev, "NETRX: no memory to realloc skb\n");
|
|
net_dev->stats.rx_dropped++;
|
|
goto error_skb_realloc;
|
|
}
|
|
skb_put_data(skb, buf, buf_len);
|
|
}
|
|
i2400m_rx_fake_eth_header(i2400m->wimax_dev.net_dev,
|
|
skb->data - ETH_HLEN,
|
|
cpu_to_be16(ETH_P_IP));
|
|
skb_set_mac_header(skb, -ETH_HLEN);
|
|
skb->dev = i2400m->wimax_dev.net_dev;
|
|
skb->protocol = htons(ETH_P_IP);
|
|
net_dev->stats.rx_packets++;
|
|
net_dev->stats.rx_bytes += buf_len;
|
|
d_printf(3, dev, "NETRX: receiving %d bytes to network stack\n",
|
|
buf_len);
|
|
d_dump(4, dev, buf, buf_len);
|
|
netif_rx_ni(skb); /* see notes in function header */
|
|
error_skb_realloc:
|
|
d_fnend(2, dev, "(i2400m %p buf %p buf_len %d) = void\n",
|
|
i2400m, buf, buf_len);
|
|
}
|
|
|
|
|
|
/*
|
|
* i2400m_net_erx - pass a network packet to the stack (extended version)
|
|
*
|
|
* @i2400m: device descriptor
|
|
* @skb: the skb where the packet is - the skb should be set to point
|
|
* at the IP packet; this function will add ethernet headers if
|
|
* needed.
|
|
* @cs: packet type
|
|
*
|
|
* This is only used now for firmware >= v1.4. Note it is quite
|
|
* similar to i2400m_net_rx() (used only for v1.3 firmware).
|
|
*
|
|
* This function is normally run from a thread context. However, we
|
|
* still use netif_rx() instead of netif_receive_skb() as was
|
|
* recommended in the mailing list. Reason is in some stress tests
|
|
* when sending/receiving a lot of data we seem to hit a softlock in
|
|
* the kernel's TCP implementation [aroudn tcp_delay_timer()]. Using
|
|
* netif_rx() took care of the issue.
|
|
*
|
|
* This is, of course, still open to do more research on why running
|
|
* with netif_receive_skb() hits this softlock. FIXME.
|
|
*/
|
|
void i2400m_net_erx(struct i2400m *i2400m, struct sk_buff *skb,
|
|
enum i2400m_cs cs)
|
|
{
|
|
struct net_device *net_dev = i2400m->wimax_dev.net_dev;
|
|
struct device *dev = i2400m_dev(i2400m);
|
|
|
|
d_fnstart(2, dev, "(i2400m %p skb %p [%u] cs %d)\n",
|
|
i2400m, skb, skb->len, cs);
|
|
switch(cs) {
|
|
case I2400M_CS_IPV4_0:
|
|
case I2400M_CS_IPV4:
|
|
i2400m_rx_fake_eth_header(i2400m->wimax_dev.net_dev,
|
|
skb->data - ETH_HLEN,
|
|
cpu_to_be16(ETH_P_IP));
|
|
skb_set_mac_header(skb, -ETH_HLEN);
|
|
skb->dev = i2400m->wimax_dev.net_dev;
|
|
skb->protocol = htons(ETH_P_IP);
|
|
net_dev->stats.rx_packets++;
|
|
net_dev->stats.rx_bytes += skb->len;
|
|
break;
|
|
default:
|
|
dev_err(dev, "ERX: BUG? CS type %u unsupported\n", cs);
|
|
goto error;
|
|
|
|
}
|
|
d_printf(3, dev, "ERX: receiving %d bytes to the network stack\n",
|
|
skb->len);
|
|
d_dump(4, dev, skb->data, skb->len);
|
|
netif_rx_ni(skb); /* see notes in function header */
|
|
error:
|
|
d_fnend(2, dev, "(i2400m %p skb %p [%u] cs %d) = void\n",
|
|
i2400m, skb, skb->len, cs);
|
|
}
|
|
|
|
static const struct net_device_ops i2400m_netdev_ops = {
|
|
.ndo_open = i2400m_open,
|
|
.ndo_stop = i2400m_stop,
|
|
.ndo_start_xmit = i2400m_hard_start_xmit,
|
|
.ndo_tx_timeout = i2400m_tx_timeout,
|
|
};
|
|
|
|
static void i2400m_get_drvinfo(struct net_device *net_dev,
|
|
struct ethtool_drvinfo *info)
|
|
{
|
|
struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
|
|
|
|
strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
|
|
strlcpy(info->fw_version, i2400m->fw_name ? : "",
|
|
sizeof(info->fw_version));
|
|
if (net_dev->dev.parent)
|
|
strlcpy(info->bus_info, dev_name(net_dev->dev.parent),
|
|
sizeof(info->bus_info));
|
|
}
|
|
|
|
static const struct ethtool_ops i2400m_ethtool_ops = {
|
|
.get_drvinfo = i2400m_get_drvinfo,
|
|
.get_link = ethtool_op_get_link,
|
|
};
|
|
|
|
/**
|
|
* i2400m_netdev_setup - Setup setup @net_dev's i2400m private data
|
|
*
|
|
* Called by alloc_netdev()
|
|
*/
|
|
void i2400m_netdev_setup(struct net_device *net_dev)
|
|
{
|
|
d_fnstart(3, NULL, "(net_dev %p)\n", net_dev);
|
|
ether_setup(net_dev);
|
|
net_dev->mtu = I2400M_MAX_MTU;
|
|
net_dev->min_mtu = 0;
|
|
net_dev->max_mtu = I2400M_MAX_MTU;
|
|
net_dev->tx_queue_len = I2400M_TX_QLEN;
|
|
net_dev->features =
|
|
NETIF_F_VLAN_CHALLENGED
|
|
| NETIF_F_HIGHDMA;
|
|
net_dev->flags =
|
|
IFF_NOARP /* i2400m is apure IP device */
|
|
& (~IFF_BROADCAST /* i2400m is P2P */
|
|
& ~IFF_MULTICAST);
|
|
net_dev->watchdog_timeo = I2400M_TX_TIMEOUT;
|
|
net_dev->netdev_ops = &i2400m_netdev_ops;
|
|
net_dev->ethtool_ops = &i2400m_ethtool_ops;
|
|
d_fnend(3, NULL, "(net_dev %p) = void\n", net_dev);
|
|
}
|
|
EXPORT_SYMBOL_GPL(i2400m_netdev_setup);
|
|
|