diff options
Diffstat (limited to 'static/freebsd/man4/vr.4 3.html')
| -rw-r--r-- | static/freebsd/man4/vr.4 3.html | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/static/freebsd/man4/vr.4 3.html b/static/freebsd/man4/vr.4 3.html deleted file mode 100644 index 3ed5ab38..00000000 --- a/static/freebsd/man4/vr.4 3.html +++ /dev/null @@ -1,165 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">VR(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">VR(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">vr</code> — <span class="Nd">VIA - Technologies Rhine I/II/III Ethernet device driver</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp">To compile this driver into the kernel, place the following lines - in your kernel configuration file:</p> -<div class="Bd Pp Bd-indent"><code class="Cd">device miibus</code> -<br/> -<code class="Cd">device vr</code></div> -<p class="Pp">Alternatively, to load the driver as a module at boot time, place - the following line in <a class="Xr">loader.conf(5)</a>:</p> -<div class="Bd Pp Bd-indent Li"> -<pre>if_vr_load="YES"</pre> -</div> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The <code class="Nm">vr</code> driver provides support for PCI - Ethernet adapters and embedded controllers based on the VIA Technologies - VT3043 Rhine I, VT86C100A Rhine II, and VT6105/VT6105M Rhine III Fast - Ethernet controller chips.</p> -<p class="Pp">The VIA Rhine chips use bus master DMA and have a descriptor - layout designed to resemble that of the DEC 21x4x “tulip” - chips. The register layout is different however and the receive filter in - the Rhine chips is much simpler and is programmed through registers rather - than by downloading a special setup frame through the transmit DMA engine. - Transmit and receive DMA buffers must be longword aligned. The Rhine chips - are meant to be interfaced with external physical layer devices via an MII - bus. They support both 10 and 100Mbps speeds in either full or half - duplex.</p> -<p class="Pp">The <code class="Nm">vr</code> driver supports the following media - types:</p> -<dl class="Bl-tag"> - <dt>autoselect</dt> - <dd>Enable autoselection of the media type and options. The user can manually - override the autoselected mode by adding media options to the - <span class="Pa">/etc/rc.conf</span> file.</dd> - <dt>10baseT/UTP</dt> - <dd>Set 10Mbps operation. The <var class="Ar">mediaopt</var> option can also - be used to select either <var class="Ar">full-duplex</var> or - <var class="Ar">half-duplex</var> modes.</dd> - <dt>100baseTX</dt> - <dd>Set 100Mbps (Fast Ethernet) operation. The <var class="Ar">mediaopt</var> - option can also be used to select either <var class="Ar">full-duplex</var> - or <var class="Ar">half-duplex</var> modes.</dd> -</dl> -<p class="Pp">The <code class="Nm">vr</code> driver supports the following media - options:</p> -<dl class="Bl-tag"> - <dt>full-duplex</dt> - <dd>Force full duplex operation.</dd> - <dt>half-duplex</dt> - <dd>Force half duplex operation.</dd> -</dl> -<p class="Pp">Note that the 100baseTX media type is only available if supported - by the adapter. For more information on configuring this device, see - <a class="Xr">ifconfig(8)</a>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1> -<p class="Pp">The <code class="Nm">vr</code> driver supports VIA Technologies - Rhine I, Rhine II, and Rhine III based Fast Ethernet adapters including:</p> -<p class="Pp"></p> -<ul class="Bl-bullet Bl-compact"> - <li>AOpen/Acer ALN-320</li> - <li>D-Link DFE520-TX</li> - <li>D-Link DFE530-TX</li> - <li>Hawking Technologies PN102TX</li> - <li>Soekris Engineering net5501</li> -</ul> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYSCTL_VARIABLES"><a class="permalink" href="#SYSCTL_VARIABLES">SYSCTL - VARIABLES</a></h1> -<p class="Pp">The following variables are available as - <a class="Xr">sysctl(8)</a> variables:</p> -<dl class="Bl-tag"> - <dt id="dev.vr._d.stats"><var class="Va">dev.vr.%d.stats</var></dt> - <dd>Display lots of useful MAC counters maintained in the driver.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">DIAGNOSTICS</a></h1> -<dl class="Bl-diag"> - <dt>vr%d: couldn't map memory</dt> - <dd>A fatal initialization error has occurred.</dd> - <dt>vr%d: couldn't map interrupt</dt> - <dd>A fatal initialization error has occurred.</dd> - <dt>vr%d: watchdog timeout</dt> - <dd>The device has stopped responding to the network, or there is a problem - with the network connection (cable).</dd> - <dt>vr%d: no memory for rx list</dt> - <dd>The driver failed to allocate an mbuf for the receiver ring.</dd> - <dt>vr%d: no memory for tx list</dt> - <dd>The driver failed to allocate an mbuf for the transmitter ring when - allocating a pad buffer or collapsing an mbuf chain into a cluster.</dd> - <dt>vr%d: chip is in D3 power state -- setting to D0</dt> - <dd>This message applies only to adapters which support power management. Some - operating systems place the controller in low power mode when shutting - down, and some PCI BIOSes fail to bring the chip out of this state before - configuring it. The controller loses all of its PCI configuration in the - D3 state, so if the BIOS does not set it back to full power mode in time, - it will not be able to configure it correctly. The driver tries to detect - this condition and bring the adapter back to the D0 (full power) state, - but this may not be enough to return the driver to a fully operational - condition. If you see this message at boot time and the driver fails to - attach the device as a network interface, you will have to perform second - warm boot to have the device properly configured. - <p class="Pp">Note that this condition only occurs when warm booting from - another operating system. If you power down your system prior to booting - <span class="Ux">FreeBSD</span>, the card should be configured - correctly.</p> - </dd> -</dl> -</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">altq(4)</a>, <a class="Xr">arp(4)</a>, - <a class="Xr">miibus(4)</a>, <a class="Xr">netintro(4)</a>, - <a class="Xr">ng_ether(4)</a>, <a class="Xr">polling(4)</a>, - <a class="Xr">ifconfig(8)</a></p> -<p class="Pp"><cite class="Rs"><span class="RsT">The VIA Technologies VT86C100A - data sheet</span>, - <a class="RsU" href="http://www.via.com.tw">http://www.via.com.tw</a>.</cite></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Nm">vr</code> device driver first appeared in - <span class="Ux">FreeBSD 3.0</span>.</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">vr</code> driver was written by - <span class="An">Bill Paul</span> - <<a class="Mt" href="mailto:wpaul@ctr.columbia.edu">wpaul@ctr.columbia.edu</a>>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1> -<p class="Pp">The <code class="Nm">vr</code> driver always copies transmit mbuf - chains into longword-aligned buffers prior to transmission in order to - pacify the Rhine chips. If buffers are not aligned correctly, the chip will - round the supplied buffer address and begin DMAing from the wrong location. - This buffer copying impairs transmit performance on slower systems but - cannot be avoided. On faster machines (e.g. a Pentium II), the performance - impact is much less noticeable.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">February 25, 2012</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |