[dpdk-stable] [PATCH v3] examples/vhost: change the default value of NIC's max queues
Maxime Coquelin
maxime.coquelin at redhat.com
Thu Oct 21 13:29:21 CEST 2021
On 10/15/21 18:48, Wenwu Ma wrote:
> vswitch can't launch with a 40G i40e port due to device start fails
> if NIC’s max queues > the default number of 128, so, we changed
> the default value from 128 to 512.
>
> Fixes: 4796ad63ba1f ("examples/vhost: import userspace vhost application")
> Cc: stable at dpdk.org
>
> Signed-off-by: Wenwu Ma <wenwux.ma at intel.com>
> ---
> examples/vhost/main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/examples/vhost/main.c b/examples/vhost/main.c
> index bc3d71c898..36969a4de5 100644
> --- a/examples/vhost/main.c
> +++ b/examples/vhost/main.c
> @@ -29,7 +29,7 @@
> #include "main.h"
>
> #ifndef MAX_QUEUES
> -#define MAX_QUEUES 128
> +#define MAX_QUEUES 512
> #endif
>
> /* the maximum number of external ports supported */
>
As discussed, this is far from ideal, but let's use our time to remove
gaps in Vhost testing with testpmd so that we can remove this example
later.
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
Thanks,
Maxime
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