> On Apr 10, 2019, at 12:41 PM, Yongseok Koh <ys...@mellanox.com> wrote:
>
> For client_server_mp, the total number of buffers for the mbuf mempool
> should be correctly calculated. Otherwise, having more clients will stop
> traffic.
>
> Fixes: af75078fece3 ("first public release")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Yongseok Koh <ys...@mellanox.com>
> ---
>
> v2:
> * split up the calculation
Sorry, I forgot to specify 'v2' in the title of this email.
Thanks,
Yongseok
> examples/multi_process/client_server_mp/mp_server/init.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/examples/multi_process/client_server_mp/mp_server/init.c
> b/examples/multi_process/client_server_mp/mp_server/init.c
> index 30c8e44bc0..3af5dc6994 100644
> --- a/examples/multi_process/client_server_mp/mp_server/init.c
> +++ b/examples/multi_process/client_server_mp/mp_server/init.c
> @@ -37,8 +37,6 @@
> #include "args.h"
> #include "init.h"
>
> -#define MBUFS_PER_CLIENT 1536
> -#define MBUFS_PER_PORT 1536
> #define MBUF_CACHE_SIZE 512
>
> #define RTE_MP_RX_DESC_DEFAULT 1024
> @@ -63,8 +61,15 @@ struct port_info *ports;
> static int
> init_mbuf_pools(void)
> {
> - const unsigned num_mbufs = (num_clients * MBUFS_PER_CLIENT) \
> - + (ports->num_ports * MBUFS_PER_PORT);
> + const unsigned int num_mbufs_server =
> + RTE_MP_RX_DESC_DEFAULT * ports->num_ports;
> + const unsigned int num_mbufs_client =
> + num_clients * (CLIENT_QUEUE_RINGSIZE +
> + RTE_MP_TX_DESC_DEFAULT * ports->num_ports);
> + const unsigned int num_mbufs_mp_cache =
> + (num_clients + 1) * MBUF_CACHE_SIZE;
> + const unsigned int num_mbufs =
> + num_mbufs_server + num_mbufs_client + num_mbufs_mp_cache;
>
> /* don't pass single-producer/single-consumer flags to mbuf create as it
> * seems faster to use a cache instead */
> --
> 2.11.0
>
