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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
| commit | 253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch) | |
| tree | adf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man4/ena.4 4.html | |
| parent | a9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff) | |
docs: Added All NetBSD Manuals
Diffstat (limited to 'static/netbsd/man4/ena.4 4.html')
| -rw-r--r-- | static/netbsd/man4/ena.4 4.html | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/static/netbsd/man4/ena.4 4.html b/static/netbsd/man4/ena.4 4.html new file mode 100644 index 00000000..32086269 --- /dev/null +++ b/static/netbsd/man4/ena.4 4.html @@ -0,0 +1,78 @@ +<table class="head"> + <tr> + <td class="head-ltitle">ENA(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">ENA(4)</td> + </tr> +</table> +<div class="manual-text"> +<section class="Sh"> +<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> +<p class="Pp"><code class="Nm">ena</code> — <span class="Nd">NetBSD + kernel driver for Elastic Network Adapter (ENA) family</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp"><code class="Cd">ena* at pci? dev ? function ?</code></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">The ENA is a networking interface designed to make good use of + modern CPU features and system architectures.</p> +<p class="Pp">The ENA device exposes a lightweight management interface with a + minimal set of memory mapped registers and extendable command set through an + Admin Queue.</p> +<p class="Pp">The driver supports a range of ENA devices, is link-speed + independent (i.e., the same driver is used for 10GbE, 25GbE, 40GbE, etc.), + and has a negotiated and extendable feature set.</p> +<p class="Pp">Some ENA devices support SR-IOV. This driver is used for both the + SR-IOV Physical Function (PF) and Virtual Function (VF) devices.</p> +<p class="Pp">The ENA devices enable high speed and low overhead network traffic + processing by providing multiple Tx/Rx queue pairs (the maximum number is + advertised by the device via the Admin Queue), a dedicated MSI-X interrupt + vector per Tx/Rx queue pair, and CPU cacheline optimized data placement.</p> +<p class="Pp">The <code class="Nm">ena</code> driver supports industry standard + TCP/IP offload features such as checksum offload and TCP transmit + segmentation offload (TSO). Receive-side scaling (RSS) is supported for + multi-core scaling.</p> +<p class="Pp">The <code class="Nm">ena</code> driver and its corresponding + devices implement health monitoring mechanisms such as watchdog, enabling + the device and driver to recover in a manner transparent to the application, + as well as debug logs.</p> +<p class="Pp">Some of the ENA devices support a working mode called Low-latency + Queue (LLQ), which saves several more microseconds. This feature might be + implemented for the driver in future releases.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1> +<p class="Pp">Supported PCI vendor ID/device IDs:</p> +<p class="Pp"></p> +<ul class="Bl-bullet Bl-compact"> + <li>1d0f:0ec2 - ENA PF</li> + <li>1d0f:1ec2 - ENA PF with LLQ support</li> + <li>1d0f:ec20 - ENA VF</li> + <li>1d0f:ec21 - ENA VF with LLQ support</li> +</ul> +</section> +<section class="Sh"> +<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE + ALSO</a></h1> +<p class="Pp"><a class="Xr">arp(4)</a>, <a class="Xr">ifmedia(4)</a>, + <a class="Xr">netintro(4)</a>, <a class="Xr">pci(4)</a>, + <a class="Xr">ifconfig(8)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp">The <code class="Nm">ena</code> driver was originally written by + <span class="An">Semihalf</span> for <span class="Ux">FreeBSD</span>. The + driver was ported to <span class="Ux">NetBSD</span> by + <span class="An">Jared D. McNeill</span> + <<a class="Mt" href="mailto:jmcneill@NetBSD.org">jmcneill@NetBSD.org</a>>.</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">December 1, 2018</td> + <td class="foot-os">NetBSD 10.1</td> + </tr> +</table> |
