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cxgb.4freebsd

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Version: 326865 (ubuntu - 08/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

cxgb - Chelsio T3 10 Gigabit Ethernet adapter driver

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file:
device firmware device cxgb

To load the driver as a module at boot time, place the following line in loader.conf5:

 if_cxgb_load="YES"
 

DESCRIPTION

The driver supports Transmit/Receive checksum offload, Jumbo Frames as well as TCP segmentation offload (TSO). For further hardware information, see http://www.chelsio.com/

For questions related to hardware requirements, refer to the documentation supplied with your Chelsio T3 adapter. All hardware requirements listed apply to use with Fx .

Support for Jumbo Frames is provided via the interface MTU setting. Selecting an MTU larger than 1500 bytes with the ifconfig(8) utility configures the adapter to receive and transmit Jumbo Frames. The maximum MTU size for Jumbo Frames is 9000.

For more information on configuring this device, see ifconfig(8).

HARDWARE

The driver supports 10 Gigabit Ethernet adapters based on the T3 and T3B chipset:

LOADER TUNABLES

Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf5.

DIAGNOSTICS

"cxgb%d: Unable to allocate bus resource: memory"
A fatal initialization error has occurred.
"cxgb%d: Unable to allocate bus resource: interrupt"
A fatal initialization error has occurred.
"cxgb%d: Could not find firmware image %s"
The appropriate firmware kld module was not installed. This is a fatal initialization error.

SUPPORT

For general information and support, go to the Chelsio support website at: http://www.chelsio.com/

If an issue is identified with the released source code on the supported kernel with a supported adapter, email the specific information related to the issue to Aq help@chelsio.com .

SEE ALSO

altq(4), arp(4), netintro(4), ng_ether4, ifconfig(8)

HISTORY

The device driver first appeared in Fx 6.3 and Fx 7.0 .

AUTHORS

An -nosplit The driver was written by An Kip Macy Aq kmacy@FreeBSD.org with substantial support from An Scott Long Aq scottl@FreeBSD.org .
La science sans épistémologie -à supposer qu'elle soit pensable- est
primitive et brouillonne. Néanmoins, dès que l'épistémologue, qui
cherche un système clair, en a trouvé un, il est enclin à interpréter le
contenu de la science à travers son système et à rejeter ce qui n'y
rentre pas. Le scientifique, par contre, ne peut pas se permettre de
pousser loin son désir de systématicité épistémologique. [...] Il doit
donc paraître aux yeux de l'épistémologue comme un opportuniste sans
scrupule.
-+- Albert Einstein -+-