[dpdk-dev] [PATCH v3] app/testpmd: fix testpmd failure due to RSS offload check

[Adrien Mazarguil]

On Wed, Apr 25, 2018 at 09:38:16PM +0800, Qi Zhang wrote:
> After add RSS hash offload check, default rss_hf  will fail on
> devices that not support all bits, the patch take rss_hf as
> a suggest value and only set bits that device supported base on
> rte_eth_dev_get_info, also rss_hf will only be updated when new
> rss offload is successfully updated on all ports by
> "port config all rss [!default]" command.
> 
> Fixes: 586ac442be96 ("ethdev: add supported hash function check")
> Fixes: 8c1f4aff92a6 ("app/testpmd: new parameter for port config all RSS command")
> Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>

Although this approach prevents updating rss_hf if at least one port doesn't
support RSS configuration (i.e. it can't be used to update defaults for
subsequent flow rules on mlx4), I confirm it does fix the startup issue,
therefore:

Tested-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>

-- 
Adrien Mazarguil
6WIND