netdev - Re: [PATCH net-next v3 4/4] selftests: drv-net: rss_ctx: add tests for RSS configuration and contexts

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Message-ID: <667bef407a84b_3cd03a29449@willemb.c.googlers.com.notmuch>
Date: Wed, 26 Jun 2024 06:36:48 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: Jakub Kicinski <kuba@...nel.org>, 
 davem@...emloft.net
Cc: netdev@...r.kernel.org, 
 edumazet@...gle.com, 
 pabeni@...hat.com, 
 willemdebruijn.kernel@...il.com, 
 ecree.xilinx@...il.com, 
 dw@...idwei.uk, 
 przemyslaw.kitszel@...el.com, 
 michael.chan@...adcom.com, 
 andrew.gospodarek@...adcom.com, 
 leitao@...ian.org, 
 petrm@...dia.com, 
 Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH net-next v3 4/4] selftests: drv-net: rss_ctx: add tests
 for RSS configuration and contexts

Jakub Kicinski wrote:
> Add tests focusing on indirection table configuration and
> creating extra RSS contexts in drivers which support it.
> 
>   $ export NETIF=eth0 REMOTE_...
>   $ ./drivers/net/hw/rss_ctx.py
>   KTAP version 1
>   1..8
>   ok 1 rss_ctx.test_rss_key_indir
>   ok 2 rss_ctx.test_rss_context
>   ok 3 rss_ctx.test_rss_context4
>   # Increasing queue count 44 -> 66
>   # Failed to create context 32, trying to test what we got
>   ok 4 rss_ctx.test_rss_context32 # SKIP Tested only 31 contexts, wanted 32
>   ok 5 rss_ctx.test_rss_context_overlap
>   ok 6 rss_ctx.test_rss_context_overlap2
>   # .. sprays traffic like a headless chicken ..
>   not ok 7 rss_ctx.test_rss_context_out_of_order
>   ok 8 rss_ctx.test_rss_context4_create_with_cfg
>   # Totals: pass:6 fail:1 xfail:0 xpass:0 skip:1 error:0
> 
> Note that rss_ctx.test_rss_context_out_of_order fails with the device
> I tested with, but it seems to be a device / driver bug.
> 
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>

Reviewed-by: Willem de Bruijn <willemb@...gle.com>

> +    if a >= b:
> +        _fail("Check failed", a, ">", b, comment)

Should the argument be ">=" too?