diff options
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_netdev.c')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.c | 62 |
1 files changed, 55 insertions, 7 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 86fd08f375df..92d149d4f091 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -19,6 +19,12 @@ #include "ena_pci_id_tbl.h" #include "ena_xdp.h" +#include "ena_phc.h" + +#include "ena_devlink.h" + +#include "ena_debugfs.h" + MODULE_AUTHOR("Amazon.com, Inc. or its affiliates"); MODULE_DESCRIPTION(DEVICE_NAME); MODULE_LICENSE("GPL"); @@ -39,8 +45,6 @@ MODULE_DEVICE_TABLE(pci, ena_pci_tbl); static int ena_rss_init_default(struct ena_adapter *adapter); static void check_for_admin_com_state(struct ena_adapter *adapter); -static int ena_destroy_device(struct ena_adapter *adapter, bool graceful); -static int ena_restore_device(struct ena_adapter *adapter); static void ena_tx_timeout(struct net_device *dev, unsigned int txqueue) { @@ -2743,7 +2747,8 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev, struct pci_dev *pd ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK | ENA_ADMIN_HOST_INFO_RX_BUF_MIRRORING_MASK | ENA_ADMIN_HOST_INFO_RSS_CONFIGURABLE_FUNCTION_KEY_MASK | - ENA_ADMIN_HOST_INFO_RX_PAGE_REUSE_MASK; + ENA_ADMIN_HOST_INFO_RX_PAGE_REUSE_MASK | + ENA_ADMIN_HOST_INFO_PHC_MASK; rc = ena_com_set_host_attributes(ena_dev); if (rc) { @@ -3135,6 +3140,8 @@ static int ena_device_init(struct ena_adapter *adapter, struct pci_dev *pdev, goto err_mmio_read_less; } + ena_devlink_params_get(adapter->devlink); + /* ENA admin level init */ rc = ena_com_admin_init(ena_dev, &aenq_handlers); if (rc) { @@ -3188,6 +3195,10 @@ static int ena_device_init(struct ena_adapter *adapter, struct pci_dev *pdev, if (unlikely(rc)) goto err_admin_init; + rc = ena_phc_init(adapter); + if (unlikely(rc && (rc != -EOPNOTSUPP))) + netdev_err(netdev, "Failed initializing PHC, error: %d\n", rc); + return 0; err_admin_init: @@ -3233,7 +3244,7 @@ err_disable_msix: return rc; } -static int ena_destroy_device(struct ena_adapter *adapter, bool graceful) +int ena_destroy_device(struct ena_adapter *adapter, bool graceful) { struct net_device *netdev = adapter->netdev; struct ena_com_dev *ena_dev = adapter->ena_dev; @@ -3271,6 +3282,8 @@ static int ena_destroy_device(struct ena_adapter *adapter, bool graceful) ena_com_admin_destroy(ena_dev); + ena_phc_destroy(adapter); + ena_com_mmio_reg_read_request_destroy(ena_dev); /* return reset reason to default value */ @@ -3282,7 +3295,7 @@ static int ena_destroy_device(struct ena_adapter *adapter, bool graceful) return rc; } -static int ena_restore_device(struct ena_adapter *adapter) +int ena_restore_device(struct ena_adapter *adapter) { struct ena_com_dev_get_features_ctx get_feat_ctx; struct ena_com_dev *ena_dev = adapter->ena_dev; @@ -3344,6 +3357,7 @@ err_device_destroy: ena_com_wait_for_abort_completion(ena_dev); ena_com_admin_destroy(ena_dev); ena_com_dev_reset(ena_dev, ENA_REGS_RESET_DRIVER_INVALID_STATE); + ena_phc_destroy(adapter); ena_com_mmio_reg_read_request_destroy(ena_dev); err: clear_bit(ENA_FLAG_DEVICE_RUNNING, &adapter->flags); @@ -3867,6 +3881,7 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct ena_adapter *adapter; struct net_device *netdev; static int adapters_found; + struct devlink *devlink; u32 max_num_io_queues; bool wd_state; int bars, rc; @@ -3932,10 +3947,16 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, adapter); + rc = ena_phc_alloc(adapter); + if (rc) { + netdev_err(netdev, "ena_phc_alloc failed\n"); + goto err_netdev_destroy; + } + rc = ena_com_allocate_customer_metrics_buffer(ena_dev); if (rc) { netdev_err(netdev, "ena_com_allocate_customer_metrics_buffer failed\n"); - goto err_netdev_destroy; + goto err_free_phc; } rc = ena_map_llq_mem_bar(pdev, ena_dev, bars); @@ -3944,12 +3965,20 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_metrics_destroy; } + /* Need to do this before ena_device_init */ + devlink = ena_devlink_alloc(adapter); + if (!devlink) { + netdev_err(netdev, "ena_devlink_alloc failed\n"); + rc = -ENOMEM; + goto err_metrics_destroy; + } + rc = ena_device_init(adapter, pdev, &get_feat_ctx, &wd_state); if (rc) { dev_err(&pdev->dev, "ENA device init failed\n"); if (rc == -ETIME) rc = -EPROBE_DEFER; - goto err_metrics_destroy; + goto ena_devlink_destroy; } /* Initial TX and RX interrupt delay. Assumes 1 usec granularity. @@ -4033,6 +4062,8 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_rss; } + ena_debugfs_init(netdev); + INIT_WORK(&adapter->reset_task, ena_fw_reset_device); adapter->last_keep_alive_jiffies = jiffies; @@ -4054,6 +4085,12 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapters_found++; + /* From this point, the devlink device is visible to users. + * Perform the registration last to ensure that all the resources + * are available and that the netdevice is registered. + */ + ena_devlink_register(devlink, &pdev->dev); + return 0; err_rss: @@ -4070,8 +4107,12 @@ err_worker_destroy: err_device_destroy: ena_com_delete_host_info(ena_dev); ena_com_admin_destroy(ena_dev); +ena_devlink_destroy: + ena_devlink_free(devlink); err_metrics_destroy: ena_com_delete_customer_metrics_buffer(ena_dev); +err_free_phc: + ena_phc_free(adapter); err_netdev_destroy: free_netdev(netdev); err_free_region: @@ -4102,6 +4143,8 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown) ena_dev = adapter->ena_dev; netdev = adapter->netdev; + ena_debugfs_terminate(netdev); + /* Make sure timer and reset routine won't be called after * freeing device resources. */ @@ -4112,6 +4155,11 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown) adapter->reset_reason = ENA_REGS_RESET_SHUTDOWN; ena_destroy_device(adapter, true); + ena_phc_free(adapter); + + ena_devlink_unregister(adapter->devlink); + ena_devlink_free(adapter->devlink); + if (shutdown) { netif_device_detach(netdev); dev_close(netdev); |