From: Mohsin Bashir <mohsin.bashr@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
shuah@kernel.org, linux-kselftest@vger.kernel.org,
dw@davidwei.uk
Subject: Re: [PATCH net-next V4] selftests: drv-net: Test queue stall upon reconfig
Date: Thu, 30 Jul 2026 09:46:26 -0700 [thread overview]
Message-ID: <81e5156d-1619-4892-ac29-e8bb11acd494@gmail.com> (raw)
In-Reply-To: <20260729191014.2634ab1e@kernel.org>
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.
prev parent reply other threads:[~2026-07-30 16:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-25 0:21 [PATCH net-next V4] selftests: drv-net: Test queue stall upon reconfig Mohsin Bashir
2026-07-30 2:10 ` Jakub Kicinski
2026-07-30 16:46 ` Mohsin Bashir [this message]
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