Re: [PATCH net-next V4] selftests: drv-net: Test queue stall upon reconfig

Mohsin Bashir <[email protected]>
Newsgroups org.kernel.vger.linux-kselftest,org.kernel.vger.netdev
Message-ID <[email protected]>

On 7/29/26 7:10 PM, Jakub Kicinski wrote:
> On Fri, 24 Jul 2026 17:21:55 -0700 Mohsin Bashir wrote:
>> +# TX ring size the test shrinks to so the ring fills quickly.
>> +MIN_TX_RING = 64
> 
> Testing against bnxt is failing in NIPA, could you check why?
> I suspect the rings size may be too small (hence the quote).
> There was a recent patch to Intel drivers to require min ring of 128
> so we may need to try a few values ([32, 64, 128, 256]?) before
> giving up?

Thanks for the pointer. Your suspicion is correct. Broadcom does not 
allow tx ring size to be < 420 when we have software based udp 
segmentation. I'll harden the test accordingly.
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.