ena.c (a6b55ee6be15a41792839095d19b589e25d0f7f7) ena.c (b9e80b5280b75f2c641d680245df44b8ff26a7b0)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2015-2021 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 3465 unchanged lines hidden (view full) ---

3474
3475 ena_log(adapter->pdev, INFO,
3476 "Device reset completed successfully, Driver info: %s\n",
3477 ena_version);
3478 }
3479 ENA_LOCK_UNLOCK();
3480}
3481
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2015-2021 Amazon.com, Inc. or its affiliates.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

--- 3465 unchanged lines hidden (view full) ---

3474
3475 ena_log(adapter->pdev, INFO,
3476 "Device reset completed successfully, Driver info: %s\n",
3477 ena_version);
3478 }
3479 ENA_LOCK_UNLOCK();
3480}
3481
3482static void
3483ena_free_stats(struct ena_adapter *adapter)
3484{
3485 ena_free_counters((counter_u64_t *)&adapter->hw_stats,
3486 sizeof(struct ena_hw_stats));
3487 ena_free_counters((counter_u64_t *)&adapter->dev_stats,
3488 sizeof(struct ena_stats_dev));
3489
3490}
3482/**
3483 * ena_attach - Device Initialization Routine
3484 * @pdev: device information struct
3485 *
3486 * Returns 0 on success, otherwise on failure.
3487 *
3488 * ena_attach initializes an adapter identified by a device structure.
3489 * The OS initialization, configuring of the adapter private structure,

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3651 goto err_io_free;
3652 }
3653 /* By default all of allocated MSIX vectors are actively used */
3654 adapter->num_io_queues = adapter->msix_vecs - ENA_ADMIN_MSIX_VEC;
3655
3656 /* initialize rings basic information */
3657 ena_init_io_rings(adapter);
3658
3491/**
3492 * ena_attach - Device Initialization Routine
3493 * @pdev: device information struct
3494 *
3495 * Returns 0 on success, otherwise on failure.
3496 *
3497 * ena_attach initializes an adapter identified by a device structure.
3498 * The OS initialization, configuring of the adapter private structure,

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3660 goto err_io_free;
3661 }
3662 /* By default all of allocated MSIX vectors are actively used */
3663 adapter->num_io_queues = adapter->msix_vecs - ENA_ADMIN_MSIX_VEC;
3664
3665 /* initialize rings basic information */
3666 ena_init_io_rings(adapter);
3667
3668 /* Initialize statistics */
3669 ena_alloc_counters((counter_u64_t *)&adapter->dev_stats,
3670 sizeof(struct ena_stats_dev));
3671 ena_alloc_counters((counter_u64_t *)&adapter->hw_stats,
3672 sizeof(struct ena_hw_stats));
3673 ena_sysctl_add_nodes(adapter);
3674
3659 /* setup network interface */
3660 rc = ena_setup_ifnet(pdev, adapter, &get_feat_ctx);
3661 if (unlikely(rc != 0)) {
3662 ena_log(pdev, ERR, "Error with network interface setup\n");
3663 goto err_msix_free;
3664 }
3665
3666 /* Initialize reset task queue */

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3672
3673 /* Initialize metrics task queue */
3674 TASK_INIT(&adapter->metrics_task, 0, ena_metrics_task, adapter);
3675 adapter->metrics_tq = taskqueue_create("ena_metrics_enqueue",
3676 M_WAITOK | M_ZERO, taskqueue_thread_enqueue, &adapter->metrics_tq);
3677 taskqueue_start_threads(&adapter->metrics_tq, 1, PI_NET, "%s metricsq",
3678 device_get_nameunit(adapter->pdev));
3679
3675 /* setup network interface */
3676 rc = ena_setup_ifnet(pdev, adapter, &get_feat_ctx);
3677 if (unlikely(rc != 0)) {
3678 ena_log(pdev, ERR, "Error with network interface setup\n");
3679 goto err_msix_free;
3680 }
3681
3682 /* Initialize reset task queue */

--- 5 unchanged lines hidden (view full) ---

3688
3689 /* Initialize metrics task queue */
3690 TASK_INIT(&adapter->metrics_task, 0, ena_metrics_task, adapter);
3691 adapter->metrics_tq = taskqueue_create("ena_metrics_enqueue",
3692 M_WAITOK | M_ZERO, taskqueue_thread_enqueue, &adapter->metrics_tq);
3693 taskqueue_start_threads(&adapter->metrics_tq, 1, PI_NET, "%s metricsq",
3694 device_get_nameunit(adapter->pdev));
3695
3680 /* Initialize statistics */
3681 ena_alloc_counters((counter_u64_t *)&adapter->dev_stats,
3682 sizeof(struct ena_stats_dev));
3683 ena_alloc_counters((counter_u64_t *)&adapter->hw_stats,
3684 sizeof(struct ena_hw_stats));
3685 ena_sysctl_add_nodes(adapter);
3686
3687#ifdef DEV_NETMAP
3688 rc = ena_netmap_attach(adapter);
3689 if (rc != 0) {
3690 ena_log(pdev, ERR, "netmap attach failed: %d\n", rc);
3691 goto err_detach;
3692 }
3693#endif /* DEV_NETMAP */
3694

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3701
3702 return (0);
3703
3704#ifdef DEV_NETMAP
3705err_detach:
3706 ether_ifdetach(adapter->ifp);
3707#endif /* DEV_NETMAP */
3708err_msix_free:
3696#ifdef DEV_NETMAP
3697 rc = ena_netmap_attach(adapter);
3698 if (rc != 0) {
3699 ena_log(pdev, ERR, "netmap attach failed: %d\n", rc);
3700 goto err_detach;
3701 }
3702#endif /* DEV_NETMAP */
3703

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3710
3711 return (0);
3712
3713#ifdef DEV_NETMAP
3714err_detach:
3715 ether_ifdetach(adapter->ifp);
3716#endif /* DEV_NETMAP */
3717err_msix_free:
3718 ena_free_stats(adapter);
3709 ena_com_dev_reset(adapter->ena_dev, ENA_REGS_RESET_INIT_ERR);
3710 ena_free_mgmnt_irq(adapter);
3711 ena_disable_msix(adapter);
3712err_io_free:
3713 ena_free_all_io_rings_resources(adapter);
3714 ena_free_rx_dma_tag(adapter);
3715err_tx_tag_free:
3716 ena_free_tx_dma_tag(adapter);

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3773 /* Restore unregistered sysctl queue nodes. */
3774 ena_sysctl_update_queue_node_nb(adapter, adapter->num_io_queues,
3775 adapter->max_num_io_queues);
3776
3777#ifdef DEV_NETMAP
3778 netmap_detach(adapter->ifp);
3779#endif /* DEV_NETMAP */
3780
3719 ena_com_dev_reset(adapter->ena_dev, ENA_REGS_RESET_INIT_ERR);
3720 ena_free_mgmnt_irq(adapter);
3721 ena_disable_msix(adapter);
3722err_io_free:
3723 ena_free_all_io_rings_resources(adapter);
3724 ena_free_rx_dma_tag(adapter);
3725err_tx_tag_free:
3726 ena_free_tx_dma_tag(adapter);

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3783 /* Restore unregistered sysctl queue nodes. */
3784 ena_sysctl_update_queue_node_nb(adapter, adapter->num_io_queues,
3785 adapter->max_num_io_queues);
3786
3787#ifdef DEV_NETMAP
3788 netmap_detach(adapter->ifp);
3789#endif /* DEV_NETMAP */
3790
3781 ena_free_counters((counter_u64_t *)&adapter->hw_stats,
3782 sizeof(struct ena_hw_stats));
3783 ena_free_counters((counter_u64_t *)&adapter->dev_stats,
3784 sizeof(struct ena_stats_dev));
3791 ena_free_stats(adapter);
3785
3786 rc = ena_free_rx_dma_tag(adapter);
3787 if (unlikely(rc != 0))
3788 ena_log(adapter->pdev, WARN,
3789 "Unmapped RX DMA tag associations\n");
3790
3791 rc = ena_free_tx_dma_tag(adapter);
3792 if (unlikely(rc != 0))

--- 142 unchanged lines hidden --- 		3792
3793 rc = ena_free_rx_dma_tag(adapter);
3794 if (unlikely(rc != 0))
3795 ena_log(adapter->pdev, WARN,
3796 "Unmapped RX DMA tag associations\n");
3797
3798 rc = ena_free_tx_dma_tag(adapter);
3799 if (unlikely(rc != 0))

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