| xnb.4 (267185) | xnb.4 (267938) |
|---|---|
| 1.\" Copyright (c) 2012 Spectra Logic Corporation 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions, and the following disclaimer, --- 14 unchanged lines hidden (view full) --- 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27.\" POSSIBILITY OF SUCH DAMAGES. 28.\" 29.\" Authors: Alan Somers (Spectra Logic Corporation) 30.\" | 1.\" Copyright (c) 2012 Spectra Logic Corporation 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions, and the following disclaimer, --- 14 unchanged lines hidden (view full) --- 23.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27.\" POSSIBILITY OF SUCH DAMAGES. 28.\" 29.\" Authors: Alan Somers (Spectra Logic Corporation) 30.\" |
| 31.\" $FreeBSD: head/share/man/man4/xnb.4 267185 2014-06-06 20:01:45Z brueffer $ | 31.\" $FreeBSD: head/share/man/man4/xnb.4 267938 2014-06-26 21:46:14Z bapt $ |
| 32.\" 33.Dd June 6, 2014 34.Dt XNB 4 35.Os 36.Sh NAME 37.Nm xnb 38.Nd "Xen Paravirtualized Backend Ethernet Driver" 39.Sh SYNOPSIS --- 52 unchanged lines hidden (view full) --- 92.Xr xen 4 , 93.Xr ifconfig 8 94.Sh HISTORY 95The 96.Nm 97device driver first appeared in 98.Fx 10.0 . 99.Sh AUTHORS | 32.\" 33.Dd June 6, 2014 34.Dt XNB 4 35.Os 36.Sh NAME 37.Nm xnb 38.Nd "Xen Paravirtualized Backend Ethernet Driver" 39.Sh SYNOPSIS --- 52 unchanged lines hidden (view full) --- 92.Xr xen 4 , 93.Xr ifconfig 8 94.Sh HISTORY 95The 96.Nm 97device driver first appeared in 98.Fx 10.0 . 99.Sh AUTHORS |
| 100.An -nosplit |
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| 100The 101.Nm 102driver was written by | 101The 102.Nm 103driver was written by |
| 103.An Alan Somers 104.Aq alans@spectralogic.com | 104.An Alan Somers Aq Mt alans@spectralogic.com |
| 105and | 105and |
| 106.An John Suykerbuyk 107.Aq johns@spectralogic.com . | 106.An John Suykerbuyk Aq Mt johns@spectralogic.com . |
| 108.Sh CAVEATS 109Packets sent through Xennet pass over shared memory, so the protocol includes 110no form of link-layer checksum or CRC. 111Furthermore, Xennet drivers always report to their hosts that they support 112receive and transmit checksum offloading. 113They "offload" the checksum calculation by simply skipping it. 114That works fine for packets that are exchanged between two domains on the same 115machine. --- 28 unchanged lines hidden --- | 107.Sh CAVEATS 108Packets sent through Xennet pass over shared memory, so the protocol includes 109no form of link-layer checksum or CRC. 110Furthermore, Xennet drivers always report to their hosts that they support 111receive and transmit checksum offloading. 112They "offload" the checksum calculation by simply skipping it. 113That works fine for packets that are exchanged between two domains on the same 114machine. --- 28 unchanged lines hidden --- |