Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Mustafa Ismail | 916 | 99.46% | 3 | 42.86% |
Sindhu Devale | 2 | 0.22% | 1 | 14.29% |
Krzysztof Kozlowski | 1 | 0.11% | 1 | 14.29% |
Justin Stitt | 1 | 0.11% | 1 | 14.29% |
Zhu Yanjun | 1 | 0.11% | 1 | 14.29% |
Total | 921 | 7 |
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "i40iw_hw.h" #include <linux/net/intel/i40e_client.h> static struct i40e_client i40iw_client; /** * i40iw_l2param_change - handle mss change * @cdev_info: parent lan device information structure with data/ops * @client: client for parameter change * @params: new parameters from L2 */ static void i40iw_l2param_change(struct i40e_info *cdev_info, struct i40e_client *client, struct i40e_params *params) { struct irdma_l2params l2params = {}; struct irdma_device *iwdev; struct ib_device *ibdev; ibdev = ib_device_get_by_netdev(cdev_info->netdev, RDMA_DRIVER_IRDMA); if (!ibdev) return; iwdev = to_iwdev(ibdev); if (iwdev->vsi.mtu != params->mtu) { l2params.mtu_changed = true; l2params.mtu = params->mtu; } irdma_change_l2params(&iwdev->vsi, &l2params); ib_device_put(ibdev); } /** * i40iw_close - client interface operation close for iwarp/uda device * @cdev_info: parent lan device information structure with data/ops * @client: client to close * @reset: flag to indicate close on reset * * Called by the lan driver during the processing of client unregister * Destroy and clean up the driver resources */ static void i40iw_close(struct i40e_info *cdev_info, struct i40e_client *client, bool reset) { struct irdma_device *iwdev; struct ib_device *ibdev; ibdev = ib_device_get_by_netdev(cdev_info->netdev, RDMA_DRIVER_IRDMA); if (WARN_ON(!ibdev)) return; iwdev = to_iwdev(ibdev); if (reset) iwdev->rf->reset = true; iwdev->iw_status = 0; irdma_port_ibevent(iwdev); ib_unregister_device_and_put(ibdev); pr_debug("INIT: Gen1 PF[%d] close complete\n", PCI_FUNC(cdev_info->pcidev->devfn)); } static void i40iw_request_reset(struct irdma_pci_f *rf) { struct i40e_info *cdev_info = rf->cdev; cdev_info->ops->request_reset(cdev_info, &i40iw_client, 1); } static void i40iw_fill_device_info(struct irdma_device *iwdev, struct i40e_info *cdev_info) { struct irdma_pci_f *rf = iwdev->rf; rf->rdma_ver = IRDMA_GEN_1; rf->gen_ops.request_reset = i40iw_request_reset; rf->pcidev = cdev_info->pcidev; rf->pf_id = cdev_info->fid; rf->hw.hw_addr = cdev_info->hw_addr; rf->cdev = cdev_info; rf->msix_count = cdev_info->msix_count; rf->msix_entries = cdev_info->msix_entries; rf->limits_sel = 5; rf->protocol_used = IRDMA_IWARP_PROTOCOL_ONLY; rf->iwdev = iwdev; iwdev->init_state = INITIAL_STATE; iwdev->rcv_wnd = IRDMA_CM_DEFAULT_RCV_WND_SCALED; iwdev->rcv_wscale = IRDMA_CM_DEFAULT_RCV_WND_SCALE; iwdev->netdev = cdev_info->netdev; iwdev->vsi_num = 0; } /** * i40iw_open - client interface operation open for iwarp/uda device * @cdev_info: parent lan device information structure with data/ops * @client: iwarp client information, provided during registration * * Called by the lan driver during the processing of client register * Create device resources, set up queues, pble and hmc objects and * register the device with the ib verbs interface * Return 0 if successful, otherwise return error */ static int i40iw_open(struct i40e_info *cdev_info, struct i40e_client *client) { struct irdma_l2params l2params = {}; struct irdma_device *iwdev; struct irdma_pci_f *rf; int err = -EIO; int i; u16 qset; u16 last_qset = IRDMA_NO_QSET; iwdev = ib_alloc_device(irdma_device, ibdev); if (!iwdev) return -ENOMEM; iwdev->rf = kzalloc(sizeof(*rf), GFP_KERNEL); if (!iwdev->rf) { ib_dealloc_device(&iwdev->ibdev); return -ENOMEM; } i40iw_fill_device_info(iwdev, cdev_info); rf = iwdev->rf; if (irdma_ctrl_init_hw(rf)) { err = -EIO; goto err_ctrl_init; } l2params.mtu = (cdev_info->params.mtu) ? cdev_info->params.mtu : IRDMA_DEFAULT_MTU; for (i = 0; i < I40E_CLIENT_MAX_USER_PRIORITY; i++) { qset = cdev_info->params.qos.prio_qos[i].qs_handle; l2params.up2tc[i] = cdev_info->params.qos.prio_qos[i].tc; l2params.qs_handle_list[i] = qset; if (last_qset == IRDMA_NO_QSET) last_qset = qset; else if ((qset != last_qset) && (qset != IRDMA_NO_QSET)) iwdev->dcb_vlan_mode = true; } if (irdma_rt_init_hw(iwdev, &l2params)) { err = -EIO; goto err_rt_init; } err = irdma_ib_register_device(iwdev); if (err) goto err_ibreg; ibdev_dbg(&iwdev->ibdev, "INIT: Gen1 PF[%d] open success\n", PCI_FUNC(rf->pcidev->devfn)); return 0; err_ibreg: irdma_rt_deinit_hw(iwdev); err_rt_init: irdma_ctrl_deinit_hw(rf); err_ctrl_init: kfree(iwdev->rf); ib_dealloc_device(&iwdev->ibdev); return err; } /* client interface functions */ static const struct i40e_client_ops i40e_ops = { .open = i40iw_open, .close = i40iw_close, .l2_param_change = i40iw_l2param_change }; static struct i40e_client i40iw_client = { .ops = &i40e_ops, .type = I40E_CLIENT_IWARP, }; static int i40iw_probe(struct auxiliary_device *aux_dev, const struct auxiliary_device_id *id) { struct i40e_auxiliary_device *i40e_adev = container_of(aux_dev, struct i40e_auxiliary_device, aux_dev); struct i40e_info *cdev_info = i40e_adev->ldev; strscpy_pad(i40iw_client.name, "irdma", I40E_CLIENT_STR_LENGTH); i40e_client_device_register(cdev_info, &i40iw_client); return 0; } static void i40iw_remove(struct auxiliary_device *aux_dev) { struct i40e_auxiliary_device *i40e_adev = container_of(aux_dev, struct i40e_auxiliary_device, aux_dev); struct i40e_info *cdev_info = i40e_adev->ldev; i40e_client_device_unregister(cdev_info); } static const struct auxiliary_device_id i40iw_auxiliary_id_table[] = { {.name = "i40e.iwarp", }, {}, }; MODULE_DEVICE_TABLE(auxiliary, i40iw_auxiliary_id_table); struct auxiliary_driver i40iw_auxiliary_drv = { .name = "gen_1", .id_table = i40iw_auxiliary_id_table, .probe = i40iw_probe, .remove = i40iw_remove, };
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