diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef100.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef100.c | 89 |
1 files changed, 53 insertions, 36 deletions
diff --git a/drivers/net/ethernet/sfc/ef100.c b/drivers/net/ethernet/sfc/ef100.c index ffdb36715a49..71aab3d0480f 100644 --- a/drivers/net/ethernet/sfc/ef100.c +++ b/drivers/net/ethernet/sfc/ef100.c @@ -2,7 +2,7 @@ /**************************************************************************** * Driver for Solarflare network controllers and boards * Copyright 2005-2018 Solarflare Communications Inc. - * Copyright 2019-2020 Xilinx Inc. + * Copyright 2019-2022 Xilinx Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -17,6 +17,7 @@ #include "io.h" #include "ef100_nic.h" #include "ef100_netdev.h" +#include "ef100_sriov.h" #include "ef100_regs.h" #include "ef100.h" @@ -422,61 +423,61 @@ static int ef100_pci_find_func_ctrl_window(struct efx_nic *efx, */ static void ef100_pci_remove(struct pci_dev *pci_dev) { - struct efx_nic *efx; + struct efx_nic *efx = pci_get_drvdata(pci_dev); + struct efx_probe_data *probe_data; - efx = pci_get_drvdata(pci_dev); if (!efx) return; - rtnl_lock(); - dev_close(efx->net_dev); - rtnl_unlock(); + probe_data = container_of(efx, struct efx_probe_data, efx); + ef100_remove_netdev(probe_data); +#ifdef CONFIG_SFC_SRIOV + efx_fini_struct_tc(efx); +#endif - /* Unregistering our netdev notifier triggers unbinding of TC indirect - * blocks, so we have to do it before PCI removal. - */ - unregister_netdevice_notifier(&efx->netdev_notifier); ef100_remove(efx); efx_fini_io(efx); - netif_dbg(efx, drv, efx->net_dev, "shutdown successful\n"); - pci_set_drvdata(pci_dev, NULL); - efx_fini_struct(efx); - free_netdev(efx->net_dev); + pci_dbg(pci_dev, "shutdown successful\n"); pci_disable_pcie_error_reporting(pci_dev); + + pci_set_drvdata(pci_dev, NULL); + efx_fini_struct(efx); + kfree(probe_data); }; static int ef100_pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *entry) { struct ef100_func_ctl_window fcw = { 0 }; - struct net_device *net_dev; + struct efx_probe_data *probe_data; struct efx_nic *efx; int rc; - /* Allocate and initialise a struct net_device and struct efx_nic */ - net_dev = alloc_etherdev_mq(sizeof(*efx), EFX_MAX_CORE_TX_QUEUES); - if (!net_dev) + /* Allocate probe data and struct efx_nic */ + probe_data = kzalloc(sizeof(*probe_data), GFP_KERNEL); + if (!probe_data) return -ENOMEM; - efx = netdev_priv(net_dev); + probe_data->pci_dev = pci_dev; + efx = &probe_data->efx; + efx->type = (const struct efx_nic_type *)entry->driver_data; + efx->pci_dev = pci_dev; pci_set_drvdata(pci_dev, efx); - SET_NETDEV_DEV(net_dev, &pci_dev->dev); - rc = efx_init_struct(efx, pci_dev, net_dev); + rc = efx_init_struct(efx, pci_dev); if (rc) goto fail; efx->vi_stride = EF100_DEFAULT_VI_STRIDE; - netif_info(efx, probe, efx->net_dev, - "Solarflare EF100 NIC detected\n"); + pci_info(pci_dev, "Solarflare EF100 NIC detected\n"); rc = ef100_pci_find_func_ctrl_window(efx, &fcw); if (rc) { - netif_err(efx, probe, efx->net_dev, - "Error looking for ef100 function control window, rc=%d\n", - rc); + pci_err(pci_dev, + "Error looking for ef100 function control window, rc=%d\n", + rc); goto fail; } @@ -488,8 +489,7 @@ static int ef100_pci_probe(struct pci_dev *pci_dev, } if (fcw.offset > pci_resource_len(efx->pci_dev, fcw.bar) - ESE_GZ_FCW_LEN) { - netif_err(efx, probe, efx->net_dev, - "Func control window overruns BAR\n"); + pci_err(pci_dev, "Func control window overruns BAR\n"); rc = -EIO; goto fail; } @@ -503,19 +503,16 @@ static int ef100_pci_probe(struct pci_dev *pci_dev, efx->reg_base = fcw.offset; - efx->netdev_notifier.notifier_call = ef100_netdev_event; - rc = register_netdevice_notifier(&efx->netdev_notifier); - if (rc) { - netif_err(efx, probe, efx->net_dev, - "Failed to register netdevice notifier, rc=%d\n", rc); + rc = efx->type->probe(efx); + if (rc) goto fail; - } - rc = efx->type->probe(efx); + efx->state = STATE_PROBED; + rc = ef100_probe_netdev(probe_data); if (rc) goto fail; - netif_dbg(efx, probe, efx->net_dev, "initialisation successful\n"); + pci_dbg(pci_dev, "initialisation successful\n"); return 0; @@ -524,6 +521,23 @@ fail: return rc; } +#ifdef CONFIG_SFC_SRIOV +static int ef100_pci_sriov_configure(struct pci_dev *dev, int num_vfs) +{ + struct efx_nic *efx = pci_get_drvdata(dev); + int rc; + + if (efx->type->sriov_configure) { + rc = efx->type->sriov_configure(efx, num_vfs); + if (rc) + return rc; + else + return num_vfs; + } + return -ENOENT; +} +#endif + /* PCI device ID table */ static const struct pci_device_id ef100_pci_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_XILINX, 0x0100), /* Riverhead PF */ @@ -538,6 +552,9 @@ struct pci_driver ef100_pci_driver = { .id_table = ef100_pci_table, .probe = ef100_pci_probe, .remove = ef100_pci_remove, +#ifdef CONFIG_SFC_SRIOV + .sriov_configure = ef100_pci_sriov_configure, +#endif .err_handler = &efx_err_handlers, }; |