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

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Date: Wed, 26 Jun 2024 12:11:45 +0200
From: Petr Machata <petrm@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: <davem@...emloft.net>, <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>
Subject: Re: [PATCH net-next v3 4/4] selftests: drv-net: rss_ctx: add tests
 for RSS configuration and contexts


Jakub Kicinski <kuba@...nel.org> writes:

> 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: Petr Machata <petrm@...dia.com>