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diff --git a/static/freebsd/man4/vale.4 3.html b/static/freebsd/man4/vale.4 3.html new file mode 100644 index 00000000..661c948c --- /dev/null +++ b/static/freebsd/man4/vale.4 3.html @@ -0,0 +1,94 @@ +<table class="head"> + <tr> + <td class="head-ltitle">VALE(4)</td> + <td class="head-vol">Device Drivers Manual</td> + <td class="head-rtitle">VALE(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">vale</code> — <span class="Nd">a very fast + Virtual Local Ethernet using the netmap API</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">device netmap</code></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp"><code class="Nm">vale</code> is a feature of the + <a class="Xr">netmap(4)</a> module that implements multiple Virtual switches + that can be used to interconnect netmap clients, including traffic sources + and sinks, packet forwarders, userspace firewalls, and so on.</p> +<p class="Pp"><code class="Nm">vale</code> is implemented completely in + software, and is extremely fast. On a modern machine it can move almost 20 + Million packets per second (Mpps) per core with small frames, and about 70 + Gbit/s with 1500 byte frames.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="OPERATION"><a class="permalink" href="#OPERATION">OPERATION</a></h1> +<p class="Pp"><code class="Nm">vale</code> dynamically creates switches and + ports as clients connect to it using the <a class="Xr">netmap(4)</a> + API.</p> +<p class="Pp"><code class="Nm">vale</code> ports are named + <span class="Pa">valeSSS:PPP</span> where <span class="Pa">vale</span> is + the prefix indicating a VALE switch rather than a standard interface, + <span class="Pa">SSS</span> indicates a specific switch (the colon is a + separator), and <span class="Pa">PPP</span> indicates a port within the + switch. Both SSS and PPP have the form [0-9a-zA-Z_]+ , the string cannot + exceed IFNAMSIZ characters, and PPP cannot be the name of any existing OS + network interface.</p> +<p class="Pp">See <a class="Xr">netmap(4)</a> for details on the API.</p> +<section class="Ss"> +<h2 class="Ss" id="LIMITS"><a class="permalink" href="#LIMITS">LIMITS</a></h2> +<p class="Pp"><code class="Nm">vale</code> currently supports up to 254 ports + per switch. The maximum number of switches is provided by the max_bridges + sysctl variable.</p> +</section> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYSCTL_VARIABLES"><a class="permalink" href="#SYSCTL_VARIABLES">SYSCTL + VARIABLES</a></h1> +<p class="Pp">See <a class="Xr">netmap(4)</a> for a list of sysctl variables + that affect <code class="Nm">vale</code> bridges.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="EXAMPLES"><a class="permalink" href="#EXAMPLES">EXAMPLES</a></h1> +<p class="Pp">Create one switch, with a traffic generator connected to one port, + and a netmap-enabled tcpdump instance on another port:</p> +<div class="Bd Pp Bd-indent Li"> +<pre>tcpdump -ni valea:1 & +pkt-gen -i valea:0 -f tx &</pre> +</div> +<p class="Pp">Create two switches, each connected to two qemu machines on + different ports.</p> +<div class="Bd Pp Bd-indent Li"> +<pre>qemu -net nic -net netmap,ifname=vale1:a ... & +qemu -net nic -net netmap,ifname=vale1:b ... & +qemu -net nic -net netmap,ifname=vale2:c ... & +qemu -net nic -net netmap,ifname=vale2:d ... &</pre> +</div> +</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">netmap(4)</a>, <a class="Xr">valectl(8)</a></p> +<p class="Pp">Luigi Rizzo, Giuseppe Lettieri: VALE, a switched ethernet for + virtual machines, June 2012, http://info.iet.unipi.it/~luigi/vale/</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">vale</code> switch was designed and + implemented in 2012 by <span class="An">Luigi Rizzo</span> and + <span class="An">Giuseppe Lettieri</span> at the Universita` di Pisa.</p> +<p class="Pp"><code class="Nm">vale</code> was funded by the European Commission + within FP7 Projects CHANGE (257422) and OPENLAB (287581).</p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">August 30, 2024</td> + <td class="foot-os">FreeBSD 15.0</td> + </tr> +</table> |