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Diffstat (limited to 'share/man/man4/ntb.4')
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diff --git a/share/man/man4/ntb.4 b/share/man/man4/ntb.4 deleted file mode 100644 index ada350a..0000000 --- a/share/man/man4/ntb.4 +++ /dev/null @@ -1,114 +0,0 @@ -.\" -.\" Copyright (c) 2013 Intel Corporation -.\" All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions, and the following disclaimer, -.\" without modification. -.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer -.\" substantially similar to the "NO WARRANTY" disclaimer below -.\" ("Disclaimer") and any redistribution must be conditioned upon -.\" including a substantially similar Disclaimer requirement for further -.\" binary redistribution. -.\" -.\" NO WARRANTY -.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR -.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -.\" HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING -.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -.\" POSSIBILITY OF SUCH DAMAGES. -.\" -.\" ntb driver man page. -.\" -.\" Author: Carl Delsey <carl@FreeBSD.org> -.\" -.\" $FreeBSD$ -.\" -.Dd Apr 11, 2013 -.Dt NTB 4 -.Os -.Sh NAME -.Nm ntb , -.Nm ntb_hw , -.Nm if_ntb -.Nd Intel(R) Non-Transparent Bridge driver -.Sh SYNOPSIS -To compile this driver into your kernel, -place the following lines in your kernel configuration file: -.Bd -ragged -offset indent -.Cd "device ntb_hw" -.Cd "device if_ntb" -.Ed -.Pp -Or, to load the driver as a module at boot, place the following line in -.Xr loader.conf 5 : -.Bd -literal -offset indent -if_ntb_load="YES" -.Ed -.Sh DESCRIPTION -The -.Nm -driver provides support for the Non-Transparent Bridge (NTB) in the Intel S1200, -Xeon E3 and Xeon E5 processor families. -.Pp -The NTB allows you to connect two computer systems using a PCI-e link if they -have the correct equipment and connectors. -.Sh CONFIGURATION -The NTB memory windows need to be configured by the BIOS. -If your BIOS allows you to set their size, you should set the size of both -memory windows to 1 MiB. -This needs to be done on both systems. -.Pp -Each system needs to have a different IP address assigned. -The MAC address is randomly generated. -Also for maximum performance, the MTU should be set to 16 kiB. -This can be done by adding the line below to -.Xr rc.conf 5 : -.Bd -literal -offset indent -ifconfig_ntb0="inet 192.168.1.10 netmask 255.255.255.0 mtu 16384" -.Ed -.Pp -And on the second system : -.Bd -literal -offset indent -ifconfig_ntb0="inet 192.168.1.11 netmask 255.255.255.0 mtu 16384" -.Ed -.Pp -If you are using the UDP protocol, you may want to increase the -.Va net.inet.udp.maxdgram -.Xr sysctl 8 -variable. -.Sh SEE ALSO -.Xr rc.conf 5 , -.Xr sysctl 8 -.Sh AUTHORS -.An -nosplit -The -.Nm -driver was developed by Intel and originally written by -.An Carl Delsey Aq Mt carl@FreeBSD.org . -.Sh BUGS -If the driver is unloaded, it cannot be reloaded without a system reboot. -.Pp -The network support is limited. -It isn't fully configurable yet. -It also isn't integrated into -.Xr netgraph 4 -or -.Xr bpf 4 . -.Pp -NTB to Root Port mode is not yet supported. -.Pp -There is no way to protect your system from malicious behavior on the other -system once the link is brought up. -Anyone with root or kernel access on the other system can read or write to -any location on your system. -In other words, only connect two systems that completely trust each other. |