Lines Matching +full:dma +full:- +full:queues

1 .\" SPDX-License-Identifier: BSD-2-Clause
3 .\" Copyright (c) 2015-2024 Amazon.com, Inc. or its affiliates.
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58 The driver supports a range of ENA devices, is link-speed independent
62 Some ENA devices support SR-IOV.
63 This driver is used for both the SR-IOV Physical Function (PF) and Virtual
68 is advertised by the device via the Admin Queue), a dedicated MSI-X
77 Receive-side scaling (RSS) is supported for multi-core scaling.
86 Some of the ENA devices support a working mode called Low-latency
100 .Bl -bullet -compact
102 1d0f:0ec2 - ENA PF
104 1d0f:1ec2 - ENA PF with LLQ support
106 1d0f:ec20 - ENA VF
108 1d0f:ec21 - ENA VF with LLQ support
113 driver's behavior can be changed using run-time or boot-time sysctl
115 The boot-time arguments can be set at the
119 The run-time arguments can be set using the
123 Boot-time tunables:
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143 In some cases, the packet header can be bigger than this (for example -
155 Run-time tunables:
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169 0 - ENA_ERR  - Enable driver error messages and ena_com error logs.
171 1 - ENA_WARN - Enable logs for non-critical errors.
173 2 - ENA_INFO - Make the driver more verbose about its actions.
175 3 - ENA_DBG  - Enable debug logs.
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187 Number of the currently allocated and used IO queues.
190 the queues, it will reset the interface and restart all the queues - this means
197 queues.
201 To use only 2 Tx and Rx queues for the device ena1, the following command should
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231 The drbr is used as a multiple-producer, single-consumer lockless ring for
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285 The default is x:y key-pairs of indir_table_size length.
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328 .Bl -diag
340 .It ena%d: Invalid dma width value %d
342 The controller is unable to request dma transaction width.
359 .Bl -diag
365 .It ena%d: Error, MSI-X is already enabled
367 .It ena%d: Not enough number of MSI-X allocated: %d
368 .It ena%d: Error with MSI-X enablement
388 .It ena%d: Enable MSI-X failed
390 Configuration of the MSI-X for Admin Queue failed.
400 .It ena%d: Unmapped RX DMA tag associations
401 .It ena%d: Unmapped TX DMA tag associations
403 Error occurred when trying to destroy RX/TX DMA tag.
418 Error occurred during Low-latency Queue mode setup.
429 .Bl -diag
468 .It ena%d: Enable MSI-X failed
469 .It ena%d: Failed to create I/O queues
478 .It ena%d: Unable to create Rx DMA map for buffer %d