From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Hemant Agrawal <hemant.agrawal@nxp.com>
Cc: Santosh Shukla <santosh.shukla@caviumnetworks.com>,
olivier.matz@6wind.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 0/2] Allow application set mempool handle
Date: Mon, 19 Jun 2017 18:31:53 +0530 [thread overview]
Message-ID: <20170619130152.GA29671@jerin> (raw)
In-Reply-To: <f9291694-ff07-9a9e-5bd1-f318e3367d6e@nxp.com>
-----Original Message-----
> Date: Mon, 19 Jun 2017 17:22:46 +0530
> From: Hemant Agrawal <hemant.agrawal@nxp.com>
> To: Santosh Shukla <santosh.shukla@caviumnetworks.com>,
> olivier.matz@6wind.com, dev@dpdk.org
> CC: jerin.jacob@caviumnetworks.com
> Subject: Re: [PATCH 0/2] Allow application set mempool handle
> User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101
> Thunderbird/45.8.0
>
> On 6/1/2017 1:35 PM, Santosh Shukla wrote:
> > Some platform can have two different NICs for example external PCI Intel
> > 40G card and Integrated NIC like vNIC/octeontx/dpaa2.
> >
> > Both NICs like to use their preferred pool e.g. external PCI card/ vNIC's
> > preferred pool would be the ring based pool and octeontx/dpaa2 preferred would
> > be ext-mempools.
> > Right now, Framework doesn't support such case. Only one pool can be
> > used across two different NIC's. For that, user has to statically set
> > CONFIG_RTE_MEMPOOL_DEFAULT_OPS=<pool-name>.
> >
> > So proposing two approaches:
> > Patch 1) Introducing eal option --pkt-mempool=<pool-name>
> > Patch 2) Introducing ethdev API called _get_preferred_pool(), where PMD driver
> > gets a chance to advertise their pool capability to the application. And based
> > on that hint- application creates pools for that driver.
> >
> The idea is good. it will help the vendors with hw mempool support.
>
> On a similar line, I also submitted a patch to check the existence of a
> mempool instance.
> http://dpdk.org/dev/patchwork/patch/15877/
>
> Option 1) requires manual knowledge of underlying NIC and different commands
> for different machines.
>
> Option 2) this will help more as it allows the application to take decision
> autonomously.
>
> In addition to it, we can also extend the overall MEMPOOL_OPS support.
> 3) currently we support defining only one "RTE_MBUF_DEFAULT_MEMPOOL_OPS"
> this can be supported to publish a priority list of MEMPOOL_OPS in
> config. if one is not available, application can try the next one in
> priority list as supported by the platform.
>
> 4) we can also try something, where the existing application can also be
> supported.
> - default mempool is configured as alias. This is with empty ops.
> - based on the mempool detections on the bus, the bus configure the
> mempool ops internally with the actual ones.
What if both HW are on PCIe bus(That the case for us)? Any scheme to fix
that?
>
>
> > Santosh Shukla (2):
> > eal: Introducing option to set mempool handle
> > ether/ethdev: Allow pmd to advertise preferred pool capability
> >
> > lib/librte_eal/bsdapp/eal/eal.c | 9 +++++++
> > lib/librte_eal/bsdapp/eal/rte_eal_version.map | 7 +++++
> > lib/librte_eal/common/eal_common_options.c | 3 +++
> > lib/librte_eal/common/eal_internal_cfg.h | 2 ++
> > lib/librte_eal/common/eal_options.h | 2 ++
> > lib/librte_eal/common/include/rte_eal.h | 9 +++++++
> > lib/librte_eal/linuxapp/eal/eal.c | 36 +++++++++++++++++++++++++
> > lib/librte_eal/linuxapp/eal/rte_eal_version.map | 7 +++++
> > lib/librte_ether/rte_ethdev.c | 16 +++++++++++
> > lib/librte_ether/rte_ethdev.h | 21 +++++++++++++++
> > lib/librte_ether/rte_ether_version.map | 7 +++++
> > lib/librte_mbuf/rte_mbuf.c | 8 ++++--
> > 12 files changed, 125 insertions(+), 2 deletions(-)
> >
>
>
next prev parent reply other threads:[~2017-06-19 13:03 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-01 8:05 Santosh Shukla
2017-06-01 8:05 ` [dpdk-dev] [PATCH 1/2] eal: Introducing option to " Santosh Shukla
2017-06-30 14:12 ` Olivier Matz
2017-07-04 12:33 ` santosh
2017-06-01 8:05 ` [dpdk-dev] [PATCH 2/2] ether/ethdev: Allow pmd to advertise preferred pool capability Santosh Shukla
2017-06-30 14:13 ` Olivier Matz
2017-07-04 12:39 ` santosh
2017-07-04 13:07 ` Olivier Matz
2017-07-04 14:12 ` Jerin Jacob
2017-06-19 11:52 ` [dpdk-dev] [PATCH 0/2] Allow application set mempool handle Hemant Agrawal
2017-06-19 13:01 ` Jerin Jacob [this message]
2017-06-20 10:37 ` Hemant Agrawal
2017-06-20 14:04 ` Jerin Jacob
2017-06-30 14:12 ` Olivier Matz
2017-07-04 12:25 ` santosh
2017-07-04 15:59 ` Olivier Matz
2017-07-05 7:48 ` santosh
2017-07-20 7:06 ` [dpdk-dev] [PATCH v2 0/2] Dynamically configure " Santosh Shukla
2017-07-20 7:06 ` [dpdk-dev] [PATCH v2 1/2] eal: allow user to override default pool handle Santosh Shukla
2017-08-15 8:07 ` [dpdk-dev] [PATCH v3 0/2] Dynamically configure mempool handle Santosh Shukla
2017-08-15 8:07 ` [dpdk-dev] [PATCH v3 1/2] eal: allow user to override default pool handle Santosh Shukla
2017-09-04 11:46 ` Olivier MATZ
2017-09-07 9:25 ` Hemant Agrawal
2017-08-15 8:07 ` [dpdk-dev] [PATCH v3 2/2] ethdev: allow pmd to advertise " Santosh Shukla
2017-09-04 12:11 ` Olivier MATZ
2017-09-04 13:14 ` santosh
2017-09-07 9:21 ` Hemant Agrawal
2017-09-07 10:06 ` santosh
2017-09-07 10:11 ` santosh
2017-09-07 11:08 ` Hemant Agrawal
2017-09-11 9:33 ` Olivier MATZ
2017-09-11 12:40 ` santosh
2017-09-11 13:00 ` Olivier MATZ
2017-09-04 9:41 ` [dpdk-dev] [PATCH v3 0/2] Dynamically configure mempool handle Sergio Gonzalez Monroy
2017-09-04 13:20 ` santosh
2017-09-04 13:34 ` Olivier MATZ
2017-09-04 14:24 ` Sergio Gonzalez Monroy
2017-09-05 7:47 ` Olivier MATZ
2017-09-05 8:11 ` Jerin Jacob
2017-09-11 15:18 ` [dpdk-dev] [PATCH v4 " Santosh Shukla
2017-09-11 15:18 ` [dpdk-dev] [PATCH v4 1/2] eal: allow user to override default pool handle Santosh Shukla
2017-09-25 7:28 ` Olivier MATZ
2017-09-25 21:23 ` santosh
2017-09-11 15:18 ` [dpdk-dev] [PATCH v4 2/2] ethdev: get the supported pools for a port Santosh Shukla
2017-09-25 7:37 ` Olivier MATZ
2017-09-25 21:52 ` santosh
2017-09-29 5:00 ` santosh
2017-09-29 8:32 ` Olivier MATZ
2017-09-29 10:16 ` santosh
2017-09-29 11:21 ` santosh
2017-09-29 11:23 ` Olivier MATZ
2017-09-29 11:31 ` santosh
2017-09-13 10:00 ` [dpdk-dev] [PATCH v4 0/2] Dynamically configure mempool handle santosh
2017-09-19 8:28 ` santosh
2017-09-25 7:24 ` Olivier MATZ
2017-09-25 21:58 ` santosh
2017-10-01 9:14 ` [dpdk-dev] [PATCH v5 " Santosh Shukla
2017-10-01 9:14 ` [dpdk-dev] [PATCH v5 1/2] eal: allow user to override default pool handle Santosh Shukla
2017-10-02 14:29 ` Olivier MATZ
2017-10-06 0:29 ` Thomas Monjalon
2017-10-06 3:31 ` santosh
2017-10-06 8:39 ` Thomas Monjalon
2017-10-06 7:45 ` [dpdk-dev] [PATCH v6 0/2] Dynamically configure mempool handle Santosh Shukla
2017-10-06 7:45 ` [dpdk-dev] [PATCH v6 1/2] eal: allow user to override default pool handle Santosh Shukla
2017-10-06 7:45 ` [dpdk-dev] [PATCH v6 2/2] ethdev: get the supported pool for a port Santosh Shukla
2017-10-06 18:58 ` [dpdk-dev] [PATCH v6 0/2] Dynamically configure mempool handle Thomas Monjalon
2017-10-01 9:14 ` [dpdk-dev] [PATCH v5 2/2] ethdev: get the supported pool for a port Santosh Shukla
2017-10-02 14:31 ` Olivier MATZ
2017-10-06 0:30 ` Thomas Monjalon
2017-10-06 3:32 ` santosh
2017-10-02 8:37 ` [dpdk-dev] [PATCH v5 0/2] Dynamically configure mempool handle santosh
2017-07-20 7:06 ` [dpdk-dev] [PATCH v2 2/2] ethdev: allow pmd to advertise pool handle Santosh Shukla
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