On 03/09/2016 11:50 AM, David Hunt wrote:
> If the user wants to have rte_pktmbuf_pool_create() use an external mempool
> handler, they define RTE_MEMPOOL_HANDLER_NAME to be the name of the
> mempool handler they wish to use, and change RTE_MEMPOOL_HANDLER_EXT to 'y'
>
> Signed-off-by: David Hunt <david.hunt at intel.com>
> ---
> config/common_base | 2 ++
> lib/librte_mbuf/rte_mbuf.c | 8 ++++++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/config/common_base b/config/common_base
> index 1af28c8..9d70cf4 100644
> --- a/config/common_base
> +++ b/config/common_base
> @@ -350,6 +350,8 @@ CONFIG_RTE_RING_PAUSE_REP_COUNT=0
> CONFIG_RTE_LIBRTE_MEMPOOL=y
> CONFIG_RTE_MEMPOOL_CACHE_MAX_SIZE=512
> CONFIG_RTE_LIBRTE_MEMPOOL_DEBUG=n
> +CONFIG_RTE_MEMPOOL_HANDLER_EXT=n
> +CONFIG_RTE_MEMPOOL_HANDLER_NAME="custom_handler"
>
> #
> # Compile librte_mbuf
> diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
> index c18b438..42b0cd1 100644
> --- a/lib/librte_mbuf/rte_mbuf.c
> +++ b/lib/librte_mbuf/rte_mbuf.c
> @@ -167,10 +167,18 @@ rte_pktmbuf_pool_create(const char *name, unsigned n,
> mbp_priv.mbuf_data_room_size = data_room_size;
> mbp_priv.mbuf_priv_size = priv_size;
>
> +#ifdef RTE_MEMPOOL_HANDLER_EXT
> + return rte_mempool_create_ext(name, n, elt_size,
> + cache_size, sizeof(struct rte_pktmbuf_pool_private),
> + rte_pktmbuf_pool_init, &mbp_priv, rte_pktmbuf_init, NULL,
> + socket_id, 0,
> + RTE_MEMPOOL_HANDLER_NAME);
> +#else
> return rte_mempool_create(name, n, elt_size,
> cache_size, sizeof(struct rte_pktmbuf_pool_private),
> rte_pktmbuf_pool_init, &mbp_priv, rte_pktmbuf_init, NULL,
> socket_id, 0);
> +#endif
> }
>
> /* do some sanity checks on a mbuf: panic if it fails */
>
This kind of thing really has to be run-time configurable, not a library
build-time option.
- Panu -
