Subject: Re: bge(4) tcp4csum problem -- driver problem or chip problem???
To: <>
From: Ignatios Souvatzis <>
List: tech-kern
Date: 12/18/2006 16:24:59
On Thu, Dec 07, 2006 at 11:40:10AM -0800, Brian Buhrow wrote:
> 	Hello.  I have a series of Sun V20Z servers with the following
> Broadcom chips on them, as reported by the bge(4) driver.
> bge0 at pci2 dev 2 function 0: Broadcom BCM5703X Gigabit Ethernet
> bge0: interrupting at irq 5
> bge0: ASIC BCM5703 A2 (0x1002), Ethernet address 00:09:3d:00:18:26
> brgphy0 at bge0 phy 1: BCM5703 1000BASE-T media interface, rev. 2

bge0 at pci1 dev 0 function 0: Broadcom BCM5751M Gigabit Ethernet
bge0: interrupting at irq 11
bge0: pcie mode=0x105000
bge0: ASIC BCM5751 A1 (0x4101), Ethernet address 00:16:d3:29:d0:41
bge0: setting short Tx thresholds
brgphy0 at bge0 phy 1: BCM5750 1000BASE-T media interface, rev. 0

> 	With hardware tcp4 checksumming enabled, I see a large number of tcp
> packets discarded for checksum errors.  

NetBSD 4 BETA2, I don't see any  errors, I think. Is this on transmission
(on the peer) or on reception?