Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Mustafa Ismail | 1907 | 97.45% | 5 | 50.00% |
Tatyana Nikolova | 26 | 1.33% | 1 | 10.00% |
Shiraz Saleem | 22 | 1.12% | 3 | 30.00% |
David E. Box | 2 | 0.10% | 1 | 10.00% |
Total | 1957 | 10 |
// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "../../../net/ethernet/intel/ice/ice.h" MODULE_ALIAS("i40iw"); MODULE_AUTHOR("Intel Corporation, <e1000-rdma@lists.sourceforge.net>"); MODULE_DESCRIPTION("Intel(R) Ethernet Protocol Driver for RDMA"); MODULE_LICENSE("Dual BSD/GPL"); static struct notifier_block irdma_inetaddr_notifier = { .notifier_call = irdma_inetaddr_event }; static struct notifier_block irdma_inetaddr6_notifier = { .notifier_call = irdma_inet6addr_event }; static struct notifier_block irdma_net_notifier = { .notifier_call = irdma_net_event }; static struct notifier_block irdma_netdevice_notifier = { .notifier_call = irdma_netdevice_event }; static void irdma_register_notifiers(void) { register_inetaddr_notifier(&irdma_inetaddr_notifier); register_inet6addr_notifier(&irdma_inetaddr6_notifier); register_netevent_notifier(&irdma_net_notifier); register_netdevice_notifier(&irdma_netdevice_notifier); } static void irdma_unregister_notifiers(void) { unregister_netevent_notifier(&irdma_net_notifier); unregister_inetaddr_notifier(&irdma_inetaddr_notifier); unregister_inet6addr_notifier(&irdma_inetaddr6_notifier); unregister_netdevice_notifier(&irdma_netdevice_notifier); } static void irdma_prep_tc_change(struct irdma_device *iwdev) { iwdev->vsi.tc_change_pending = true; irdma_sc_suspend_resume_qps(&iwdev->vsi, IRDMA_OP_SUSPEND); /* Wait for all qp's to suspend */ wait_event_timeout(iwdev->suspend_wq, !atomic_read(&iwdev->vsi.qp_suspend_reqs), IRDMA_EVENT_TIMEOUT); irdma_ws_reset(&iwdev->vsi); } static void irdma_log_invalid_mtu(u16 mtu, struct irdma_sc_dev *dev) { if (mtu < IRDMA_MIN_MTU_IPV4) ibdev_warn(to_ibdev(dev), "MTU setting [%d] too low for RDMA traffic. Minimum MTU is 576 for IPv4\n", mtu); else if (mtu < IRDMA_MIN_MTU_IPV6) ibdev_warn(to_ibdev(dev), "MTU setting [%d] too low for RDMA traffic. Minimum MTU is 1280 for IPv6\\n", mtu); } static void irdma_fill_qos_info(struct irdma_l2params *l2params, struct iidc_qos_params *qos_info) { int i; l2params->num_tc = qos_info->num_tc; l2params->vsi_prio_type = qos_info->vport_priority_type; l2params->vsi_rel_bw = qos_info->vport_relative_bw; for (i = 0; i < l2params->num_tc; i++) { l2params->tc_info[i].egress_virt_up = qos_info->tc_info[i].egress_virt_up; l2params->tc_info[i].ingress_virt_up = qos_info->tc_info[i].ingress_virt_up; l2params->tc_info[i].prio_type = qos_info->tc_info[i].prio_type; l2params->tc_info[i].rel_bw = qos_info->tc_info[i].rel_bw; l2params->tc_info[i].tc_ctx = qos_info->tc_info[i].tc_ctx; } for (i = 0; i < IIDC_MAX_USER_PRIORITY; i++) l2params->up2tc[i] = qos_info->up2tc[i]; if (qos_info->pfc_mode == IIDC_DSCP_PFC_MODE) { l2params->dscp_mode = true; memcpy(l2params->dscp_map, qos_info->dscp_map, sizeof(l2params->dscp_map)); } } static void irdma_iidc_event_handler(struct ice_pf *pf, struct iidc_event *event) { struct irdma_device *iwdev = dev_get_drvdata(&pf->adev->dev); struct irdma_l2params l2params = {}; if (*event->type & BIT(IIDC_EVENT_AFTER_MTU_CHANGE)) { ibdev_dbg(&iwdev->ibdev, "CLNT: new MTU = %d\n", iwdev->netdev->mtu); if (iwdev->vsi.mtu != iwdev->netdev->mtu) { l2params.mtu = iwdev->netdev->mtu; l2params.mtu_changed = true; irdma_log_invalid_mtu(l2params.mtu, &iwdev->rf->sc_dev); irdma_change_l2params(&iwdev->vsi, &l2params); } } else if (*event->type & BIT(IIDC_EVENT_BEFORE_TC_CHANGE)) { if (iwdev->vsi.tc_change_pending) return; irdma_prep_tc_change(iwdev); } else if (*event->type & BIT(IIDC_EVENT_AFTER_TC_CHANGE)) { struct iidc_qos_params qos_info = {}; if (!iwdev->vsi.tc_change_pending) return; l2params.tc_changed = true; ibdev_dbg(&iwdev->ibdev, "CLNT: TC Change\n"); ice_get_qos_params(pf, &qos_info); irdma_fill_qos_info(&l2params, &qos_info); if (iwdev->rf->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) iwdev->dcb_vlan_mode = qos_info.num_tc > 1 && !l2params.dscp_mode; irdma_change_l2params(&iwdev->vsi, &l2params); } else if (*event->type & BIT(IIDC_EVENT_CRIT_ERR)) { ibdev_warn(&iwdev->ibdev, "ICE OICR event notification: oicr = 0x%08x\n", event->reg); if (event->reg & IRDMAPFINT_OICR_PE_CRITERR_M) { u32 pe_criterr; pe_criterr = readl(iwdev->rf->sc_dev.hw_regs[IRDMA_GLPE_CRITERR]); #define IRDMA_Q1_RESOURCE_ERR 0x0001024d if (pe_criterr != IRDMA_Q1_RESOURCE_ERR) { ibdev_err(&iwdev->ibdev, "critical PE Error, GLPE_CRITERR=0x%08x\n", pe_criterr); iwdev->rf->reset = true; } else { ibdev_warn(&iwdev->ibdev, "Q1 Resource Check\n"); } } if (event->reg & IRDMAPFINT_OICR_HMC_ERR_M) { ibdev_err(&iwdev->ibdev, "HMC Error\n"); iwdev->rf->reset = true; } if (event->reg & IRDMAPFINT_OICR_PE_PUSH_M) { ibdev_err(&iwdev->ibdev, "PE Push Error\n"); iwdev->rf->reset = true; } if (iwdev->rf->reset) iwdev->rf->gen_ops.request_reset(iwdev->rf); } } /** * irdma_request_reset - Request a reset * @rf: RDMA PCI function */ static void irdma_request_reset(struct irdma_pci_f *rf) { struct ice_pf *pf = rf->cdev; ibdev_warn(&rf->iwdev->ibdev, "Requesting a reset\n"); ice_rdma_request_reset(pf, IIDC_PFR); } /** * irdma_lan_register_qset - Register qset with LAN driver * @vsi: vsi structure * @tc_node: Traffic class node */ static int irdma_lan_register_qset(struct irdma_sc_vsi *vsi, struct irdma_ws_node *tc_node) { struct irdma_device *iwdev = vsi->back_vsi; struct ice_pf *pf = iwdev->rf->cdev; struct iidc_rdma_qset_params qset = {}; int ret; qset.qs_handle = tc_node->qs_handle; qset.tc = tc_node->traffic_class; qset.vport_id = vsi->vsi_idx; ret = ice_add_rdma_qset(pf, &qset); if (ret) { ibdev_dbg(&iwdev->ibdev, "WS: LAN alloc_res for rdma qset failed.\n"); return ret; } tc_node->l2_sched_node_id = qset.teid; vsi->qos[tc_node->user_pri].l2_sched_node_id = qset.teid; return 0; } /** * irdma_lan_unregister_qset - Unregister qset with LAN driver * @vsi: vsi structure * @tc_node: Traffic class node */ static void irdma_lan_unregister_qset(struct irdma_sc_vsi *vsi, struct irdma_ws_node *tc_node) { struct irdma_device *iwdev = vsi->back_vsi; struct ice_pf *pf = iwdev->rf->cdev; struct iidc_rdma_qset_params qset = {}; qset.qs_handle = tc_node->qs_handle; qset.tc = tc_node->traffic_class; qset.vport_id = vsi->vsi_idx; qset.teid = tc_node->l2_sched_node_id; if (ice_del_rdma_qset(pf, &qset)) ibdev_dbg(&iwdev->ibdev, "WS: LAN free_res for rdma qset failed.\n"); } static void irdma_remove(struct auxiliary_device *aux_dev) { struct iidc_auxiliary_dev *iidc_adev = container_of(aux_dev, struct iidc_auxiliary_dev, adev); struct ice_pf *pf = iidc_adev->pf; struct irdma_device *iwdev = auxiliary_get_drvdata(aux_dev); irdma_ib_unregister_device(iwdev); ice_rdma_update_vsi_filter(pf, iwdev->vsi_num, false); pr_debug("INIT: Gen2 PF[%d] device remove success\n", PCI_FUNC(pf->pdev->devfn)); } static void irdma_fill_device_info(struct irdma_device *iwdev, struct ice_pf *pf, struct ice_vsi *vsi) { struct irdma_pci_f *rf = iwdev->rf; rf->cdev = pf; rf->gen_ops.register_qset = irdma_lan_register_qset; rf->gen_ops.unregister_qset = irdma_lan_unregister_qset; rf->hw.hw_addr = pf->hw.hw_addr; rf->pcidev = pf->pdev; rf->msix_count = pf->num_rdma_msix; rf->pf_id = pf->hw.pf_id; rf->msix_entries = &pf->msix_entries[pf->rdma_base_vector]; rf->default_vsi.vsi_idx = vsi->vsi_num; rf->protocol_used = pf->rdma_mode & IIDC_RDMA_PROTOCOL_ROCEV2 ? IRDMA_ROCE_PROTOCOL_ONLY : IRDMA_IWARP_PROTOCOL_ONLY; rf->rdma_ver = IRDMA_GEN_2; rf->rsrc_profile = IRDMA_HMC_PROFILE_DEFAULT; rf->rst_to = IRDMA_RST_TIMEOUT_HZ; rf->gen_ops.request_reset = irdma_request_reset; rf->limits_sel = 7; rf->iwdev = iwdev; mutex_init(&iwdev->ah_tbl_lock); iwdev->netdev = vsi->netdev; iwdev->vsi_num = vsi->vsi_num; iwdev->init_state = INITIAL_STATE; iwdev->roce_cwnd = IRDMA_ROCE_CWND_DEFAULT; iwdev->roce_ackcreds = IRDMA_ROCE_ACKCREDS_DEFAULT; iwdev->rcv_wnd = IRDMA_CM_DEFAULT_RCV_WND_SCALED; iwdev->rcv_wscale = IRDMA_CM_DEFAULT_RCV_WND_SCALE; if (rf->protocol_used == IRDMA_ROCE_PROTOCOL_ONLY) iwdev->roce_mode = true; } static int irdma_probe(struct auxiliary_device *aux_dev, const struct auxiliary_device_id *id) { struct iidc_auxiliary_dev *iidc_adev = container_of(aux_dev, struct iidc_auxiliary_dev, adev); struct ice_pf *pf = iidc_adev->pf; struct ice_vsi *vsi = ice_get_main_vsi(pf); struct iidc_qos_params qos_info = {}; struct irdma_device *iwdev; struct irdma_pci_f *rf; struct irdma_l2params l2params = {}; int err; if (!vsi) return -EIO; 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; } irdma_fill_device_info(iwdev, pf, vsi); rf = iwdev->rf; err = irdma_ctrl_init_hw(rf); if (err) goto err_ctrl_init; l2params.mtu = iwdev->netdev->mtu; ice_get_qos_params(pf, &qos_info); irdma_fill_qos_info(&l2params, &qos_info); if (iwdev->rf->protocol_used != IRDMA_IWARP_PROTOCOL_ONLY) iwdev->dcb_vlan_mode = l2params.num_tc > 1 && !l2params.dscp_mode; err = irdma_rt_init_hw(iwdev, &l2params); if (err) goto err_rt_init; err = irdma_ib_register_device(iwdev); if (err) goto err_ibreg; ice_rdma_update_vsi_filter(pf, iwdev->vsi_num, true); ibdev_dbg(&iwdev->ibdev, "INIT: Gen2 PF[%d] device probe success\n", PCI_FUNC(rf->pcidev->devfn)); auxiliary_set_drvdata(aux_dev, iwdev); 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; } static const struct auxiliary_device_id irdma_auxiliary_id_table[] = { {.name = "ice.iwarp", }, {.name = "ice.roce", }, {}, }; MODULE_DEVICE_TABLE(auxiliary, irdma_auxiliary_id_table); static struct iidc_auxiliary_drv irdma_auxiliary_drv = { .adrv = { .id_table = irdma_auxiliary_id_table, .probe = irdma_probe, .remove = irdma_remove, }, .event_handler = irdma_iidc_event_handler, }; static int __init irdma_init_module(void) { int ret; ret = auxiliary_driver_register(&i40iw_auxiliary_drv); if (ret) { pr_err("Failed i40iw(gen_1) auxiliary_driver_register() ret=%d\n", ret); return ret; } ret = auxiliary_driver_register(&irdma_auxiliary_drv.adrv); if (ret) { auxiliary_driver_unregister(&i40iw_auxiliary_drv); pr_err("Failed irdma auxiliary_driver_register() ret=%d\n", ret); return ret; } irdma_register_notifiers(); return 0; } static void __exit irdma_exit_module(void) { irdma_unregister_notifiers(); auxiliary_driver_unregister(&irdma_auxiliary_drv.adrv); auxiliary_driver_unregister(&i40iw_auxiliary_drv); } module_init(irdma_init_module); module_exit(irdma_exit_module);
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