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Broadcom TG3 drivers and TSO

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Operating Systems Linux Red Hat Broadcom TG3 drivers and TSO
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Old 11-14-2012
Broadcom TG3 drivers and TSO
We recently had some HP DL380 G8 servers delivered and I have installed RHEL 5.6 and 5.8 on them. Both OS use the Tegon3 driver for the BCM 5719 onboard NICs.

Trouble I had was when any command expecting a lot of output ie sysctl -a was run the system hangs up and stops responding to ping for about 5-10 minutes then finally displays the prompt. When attempting to transfer files the system would copy in bytes, not even kilo-byte speeds.

I found that if I disable TSO problem goes away immediately. We have G7 servers also those servers have never had any issue with TSO enabled. They look like they have BCM 5709 Network Cards, but they run the Broadcom Drivers not the Tegon3 driver suite.

When I look on Broadcom's site they list the 2 nics in two different classes:

G8 w/ 5719 NetXtreme I
G7 w/ 5709 NetXtreme II - says to be used as iSCSI HBA

Has anyone had a similar issue, and if so was it resolved by any driver updates, or did you just disable TSO.
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LEARN ABOUT DEBIAN

ubsec

UBSEC(4)						   BSD Kernel Interfaces Manual 						  UBSEC(4)

NAME

     ubsec -- Broadcom and BlueSteel uBsec 5x0x crypto accelerator

SYNOPSIS

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

	   device crypto
	   device cryptodev
	   device ubsec

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   ubsec_load="YES"

DESCRIPTION

     The ubsec driver supports cards containing Broadcom and BlueSteel uBsec 5x0x crypto accelerator chips.

     The ubsec driver registers itself to accelerate DES, Triple-DES, MD5-HMAC, and SHA1-HMAC operations for ipsec(4) and crypto(4).

     On those models which contain a public key engine (almost all of the more recent ones), this feature is registered with the crypto(4) subsys-
     tem.

     On all models except the Bluesteel 5501 and Broadcom 5801, the driver registers itself to provide random data to the random(4) subsystem.

HARDWARE

     The ubsec driver supports cards containing any of the following chips:

	   Bluesteel 5501    The original chipset, no longer made.  This extremely rare unit was not very fast, lacked an RNG, and had a number of
			     other bugs.

	   Bluesteel 5601    A faster and fixed version of the original, with a random number unit and large number engine added.

	   Broadcom BCM5801  A BCM5805 without public key engine or random number generator.

	   Broadcom BCM5802  A slower version of the BCM5805.

	   Broadcom BCM5805  Faster version of Bluesteel 5601.

	   Broadcom BCM5820  64 bit version of the chip, and significantly more advanced.

	   Broadcom BCM5821  Faster version of the BCM5820.  This is the chip found on the Sun Crypto Accelerator 1000.

	   Broadcom BCM5822  Faster version of the BCM5820.

	   Broadcom BCM5823  A BCM5822 with AES capability.

	   Broadcom BCM5825  Faster version of the BCM5823.

SEE ALSO

     crypt(3), crypto(4), intro(4), ipsec(4), random(4), crypto(9)

HISTORY

     The ubsec device driver appeared in OpenBSD 2.8.  The ubsec device driver was imported to FreeBSD 5.0.

BUGS

     The BCM5801 and BCM5802 have not actually been tested.  The AES capability of the BCM5823 is not yet supported; it is awaiting public disclo-
     sure of programming information from Broadcom.

BSD
								   May 16, 2009 							       BSD