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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Hemant Agrawal <hemant.agrawal@nxp.com>
Cc: dev@dpdk.org, olivier.matz@6wind.com, santosh.shukla@caviumnetworks.com
Subject: Re: [dpdk-dev] [PATCH v2 3/5] mbuf: support register mempool Hw ops name APIs
Date: Mon, 15 Jan 2018 18:06:37 +0530	[thread overview]
Message-ID: <20180115123636.GC833@jerin> (raw)
In-Reply-To: <1515996674-26338-4-git-send-email-hemant.agrawal@nxp.com>

-----Original Message-----
> Date: Mon, 15 Jan 2018 11:41:12 +0530
> From: Hemant Agrawal <hemant.agrawal@nxp.com>
> To: dev@dpdk.org
> CC: jerin.jacob@caviumnetworks.com, olivier.matz@6wind.com,
>  santosh.shukla@caviumnetworks.com
> Subject: [PATCH v2 3/5] mbuf: support register mempool Hw ops name APIs
> X-Mailer: git-send-email 2.7.4
> 
> With this patch the specific HW mempool are no longer required to be
> specified in the config file at compile. A default platform hw mempool
> can be detected dynamically and published to config at run time.
> Only one type of HW mempool can be active default.
> 
> Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
> ---
>  lib/librte_mbuf/Makefile             |  1 +
>  lib/librte_mbuf/rte_mbuf.c           | 42 +++++++++++++++++++++++++++++++++---
>  lib/librte_mbuf/rte_mbuf.h           | 20 +++++++++++++++++
>  lib/librte_mbuf/rte_mbuf_version.map |  8 +++++++
>  4 files changed, 68 insertions(+), 3 deletions(-)
> 
> diff --git a/lib/librte_mbuf/Makefile b/lib/librte_mbuf/Makefile
> index 398f724..85c4f9e 100644
> --- a/lib/librte_mbuf/Makefile
> +++ b/lib/librte_mbuf/Makefile
> @@ -7,6 +7,7 @@ include $(RTE_SDK)/mk/rte.vars.mk
>  LIB = librte_mbuf.a
>  
>  CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3
> +CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common
>  LDLIBS += -lrte_eal -lrte_mempool
>  
>  EXPORT_MAP := rte_mbuf_version.map
> diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
> index c085c37..fd3b6f5 100644
> --- a/lib/librte_mbuf/rte_mbuf.c
> +++ b/lib/librte_mbuf/rte_mbuf.c
> @@ -58,6 +58,7 @@
>  #include <rte_hexdump.h>
>  #include <rte_errno.h>
>  #include <rte_memcpy.h>
> +#include <eal_internal_cfg.h>
>  
>  /*
>   * ctrlmbuf constructor, given as a callback function to
> @@ -148,6 +149,43 @@ rte_pktmbuf_init(struct rte_mempool *mp,
>  	m->next = NULL;
>  }
>  
> +int
> +rte_mbuf_register_platform_mempool_ops(const char *ops_name)
> +{
> +	if (internal_config.plat_mbuf_pool_ops_name == NULL) {
> +		internal_config.plat_mbuf_pool_ops_name = ops_name;
> +		return 0;
> +	}
> +	RTE_LOG(ERR, MBUF,
> +		"%s is already registered as platform mbuf pool ops\n",
> +		internal_config.plat_mbuf_pool_ops_name);
> +	return -EACCES;
> +}
> +
> +const char *
> +rte_mbuf_platform_mempool_ops(void)
> +{
> +	return internal_config.plat_mbuf_pool_ops_name;
> +}
> +
> +/* Return mbuf pool ops name */
> +static const char *
> +rte_mbuf_best_mempool_ops(void)
> +{
> +	/* User defined mempool ops takes the priority */
> +	const char *best_ops = rte_eal_mbuf_default_mempool_ops();
> +	if (best_ops)
> +		return best_ops;
> +
> +	/* Next choice is platform configured mempool ops */
> +	best_ops = rte_mbuf_platform_mempool_ops();
> +	if (best_ops)
> +		return best_ops;
> +
> +	/* Last choice is to use the compile time config pool */
> +	return RTE_MBUF_DEFAULT_MEMPOOL_OPS;
> +}

The mempool ops selection makes sense to me.
We could add an "weight" based mempool ops selection in future here.
http://dpdk.org/dev/patchwork/patch/32245/

  parent reply	other threads:[~2018-01-15 12:36 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-04 12:22 [dpdk-dev] [PATCH 0/2] Multiple Pktmbuf mempool support Hemant Agrawal
2017-07-04 12:22 ` [dpdk-dev] [PATCH 1/2] mempool: check the support for the given mempool Hemant Agrawal
2017-07-04 12:22 ` [dpdk-dev] [PATCH 2/2] mbuf: add support for preferred mempool list Hemant Agrawal
2017-09-22  7:13 ` [dpdk-dev] [PATCH 0/2] Multiple Pktmbuf mempool support Hemant Agrawal
2017-09-25 10:24   ` Olivier MATZ
2017-10-10 14:15     ` Thomas Monjalon
2017-10-10 14:21       ` Hemant Agrawal
2017-12-15 10:24 ` [dpdk-dev] [PATCH 0/2] Dynamic HW Mempool Detection Support Hemant Agrawal
2017-12-15 10:24   ` [dpdk-dev] [PATCH 1/2] mbuf: update default Mempool ops with HW active pool Hemant Agrawal
2017-12-15 15:52     ` Stephen Hemminger
2017-12-18  9:26       ` Hemant Agrawal
2017-12-18  8:55     ` Jerin Jacob
2017-12-18  9:36       ` Hemant Agrawal
2017-12-22 14:59         ` Olivier MATZ
2017-12-28 12:07           ` Hemant Agrawal
2018-01-10 12:49             ` Hemant Agrawal
2017-12-22 14:41     ` Olivier MATZ
2017-12-15 10:24   ` [dpdk-dev] [PATCH 2/2] dpaa2: register dpaa2 mempool ops as active mempool Hemant Agrawal
2017-12-18  8:57     ` Jerin Jacob
2017-12-18  9:25       ` Hemant Agrawal
2018-01-15  6:11   ` [dpdk-dev] [PATCH v2 0/5] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-15  6:11     ` [dpdk-dev] [PATCH v2 1/5] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-15  6:11     ` [dpdk-dev] [PATCH v2 2/5] eal: add platform mempool ops name in internal config Hemant Agrawal
2018-01-15 12:24       ` Jerin Jacob
2018-01-15 14:31         ` Hemant Agrawal
2018-01-15 16:26           ` Jerin Jacob
2018-01-16 15:04             ` Olivier Matz
2018-01-16 15:08               ` Jerin Jacob
2018-01-15  6:11     ` [dpdk-dev] [PATCH v2 3/5] mbuf: support register mempool Hw ops name APIs Hemant Agrawal
2018-01-15 11:41       ` Jerin Jacob
2018-01-15 14:24         ` Hemant Agrawal
2018-01-15 14:37           ` Jerin Jacob
2018-01-15 12:36       ` Jerin Jacob [this message]
2018-01-16 15:09       ` Olivier Matz
2018-01-15  6:11     ` [dpdk-dev] [PATCH v2 4/5] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-15 12:31       ` Jerin Jacob
2018-01-15 14:32         ` Hemant Agrawal
2018-01-15  6:11     ` [dpdk-dev] [PATCH v2 5/5] mbuf: add user command line config mempools ops API Hemant Agrawal
2018-01-15 12:29       ` Jerin Jacob
2018-01-15 14:35         ` Hemant Agrawal
2018-01-15 16:23           ` Jerin Jacob
2018-01-16 15:01     ` [dpdk-dev] [PATCH v2 0/5] Dynamic HW Mempool Detection Support Olivier Matz
2018-01-18 11:47       ` Hemant Agrawal
2018-01-18 13:42         ` Olivier Matz
2018-01-18 13:26     ` [dpdk-dev] [PATCH v3 0/7] " Hemant Agrawal
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-19 10:01         ` Olivier Matz
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 2/7] eal: add API to set user default mbuf mempool ops Hemant Agrawal
2018-01-19 10:01         ` Olivier Matz
2018-01-19 12:31           ` Hemant Agrawal
2018-01-19 12:43             ` Olivier Matz
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-19 10:01         ` Olivier Matz
2018-01-19 12:41           ` Hemant Agrawal
2018-01-19 13:10             ` Olivier Matz
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-19 10:01         ` Olivier Matz
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 6/7] dpaa2: register dpaa2 as platform HW mempool on runtime Hemant Agrawal
2018-01-18 13:26       ` [dpdk-dev] [PATCH v3 7/7] dpaa: register dpaa " Hemant Agrawal
2018-01-19 16:33       ` [dpdk-dev] [PATCH v4 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-19 16:33         ` [dpdk-dev] [PATCH v4 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-20  6:15         ` [dpdk-dev] [PATCH v5 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-22 13:23             ` Olivier Matz
2018-01-22 13:24             ` Hemant Agrawal
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-22 13:23             ` Olivier Matz
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-22 13:23             ` Olivier Matz
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-22 13:24             ` Olivier Matz
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-22 13:25             ` Olivier Matz
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-20  6:15           ` [dpdk-dev] [PATCH v5 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-22 13:51           ` [dpdk-dev] [PATCH v6 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-22 14:43               ` santosh
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-22 14:47               ` santosh
2018-01-25 22:02               ` Thomas Monjalon
2018-01-26  5:10                 ` Hemant Agrawal
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-22 14:49               ` santosh
2018-01-25 22:01               ` Thomas Monjalon
2018-01-26  5:10                 ` Hemant Agrawal
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-22 14:51               ` santosh
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-22 14:52               ` santosh
2018-01-25 22:04               ` Thomas Monjalon
2018-01-26  5:11                 ` Hemant Agrawal
2018-01-26  7:43                   ` Thomas Monjalon
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-22 13:51             ` [dpdk-dev] [PATCH v6 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-29  8:10             ` [dpdk-dev] [PATCH v7 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-29  8:44                 ` Andrew Rybchenko
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 5/7] app/testpmd: add debug to print preferred " Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-29  8:10               ` [dpdk-dev] [PATCH v7 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-29 18:03               ` [dpdk-dev] [PATCH v7 0/7] Dynamic HW Mempool Detection Support Thomas Monjalon

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