From: Olivier MATZ <olivier.matz@6wind.com>
To: santosh <santosh.shukla@caviumnetworks.com>
Cc: dev@dpdk.org, thomas@monjalon.net,
jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com
Subject: Re: [dpdk-dev] [PATCH v4 4/7] mempool: get the mempool capability
Date: Mon, 4 Sep 2017 17:56:30 +0200 [thread overview]
Message-ID: <20170904155629.usczyoejbozmobkc@neon> (raw)
In-Reply-To: <c6ee58c9-87a1-6b85-2180-db780019c380@caviumnetworks.com>
On Mon, Sep 04, 2017 at 08:14:39PM +0530, santosh wrote:
> Hi Olivier,
>
>
> On Monday 04 September 2017 08:02 PM, Olivier MATZ wrote:
> > On Tue, Aug 15, 2017 at 11:37:40AM +0530, Santosh Shukla wrote:
> >> Allow mempool to advertise its capability.
> >> A handler been introduced called rte_mempool_ops_get_capabilities.
> >> - Upon ->get_capabilities call, mempool driver will advertise
> >> capability by updating to 'mp->flags'.
> >>
> >> Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
> >> Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> >> ---
> >> lib/librte_mempool/rte_mempool.c | 5 +++++
> >> lib/librte_mempool/rte_mempool.h | 20 ++++++++++++++++++++
> >> lib/librte_mempool/rte_mempool_ops.c | 14 ++++++++++++++
> >> lib/librte_mempool/rte_mempool_version.map | 7 +++++++
> >> 4 files changed, 46 insertions(+)
> >>
> >> diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
> >> index f95c01c00..d518c53de 100644
> >> --- a/lib/librte_mempool/rte_mempool.c
> >> +++ b/lib/librte_mempool/rte_mempool.c
> >> @@ -529,6 +529,11 @@ rte_mempool_populate_default(struct rte_mempool *mp)
> >> if (mp->nb_mem_chunks != 0)
> >> return -EEXIST;
> >>
> >> + /* Get mempool capability */
> >> + ret = rte_mempool_ops_get_capabilities(mp);
> >> + if (ret)
> >> + RTE_LOG(DEBUG, MEMPOOL, "get_capability not supported for %s\n", mp->name);
> >> +
> > there is probably a checkpatch error here (80 cols)
>
> for debug, line over 80 char warning acceptable, right?
> anyways, I will reduce verbose to less than 80 in v5.
What do you mean by "for debug"?
All lines should be shorter than 80 cols, except if that is not
possible without spliting a string or making the code hard to
read or maintain.
>
> >> +/**
> >> + * @internal wrapper for mempool_ops get_capabilities callback.
> >> + *
> >> + * @param mp
> >> + * Pointer to the memory pool.
> >> + * @return
> >> + * - 0: Success; Capability updated to mp->flags
> >> + * - <0: Error; code of capability function.
> >> + */
> >> +int
> >> +rte_mempool_ops_get_capabilities(struct rte_mempool *mp);
> >> +
> > What does "Capability updated to mp->flags" mean?
>
> it says that external mempool driver has updated his pool capability in mp->flags.
> I'll reword in v5.
Please, can you explain what does "update" mean?
Is it masked? Or-ed?
>
> > Why not having instead:
> > int rte_mempool_ops_get_capabilities(struct rte_mempool *mp,
> > unsigned int *flags);
> >
> > ?
>
> No strong opinion, But Since we already passing mempool as param why not update
> flag info into mp->flag.
>From an API perspective, we expect that a function called
"mempool_ops_get_capabilities" returns something.
> However I see your, I guess you want explicitly highlight flag as capability update {action}
> in second param, in that case how about keeping first mempool param 'const' like below:
>
> int rte_mempool_ops_get_capabilities(const struct rte_mempool *mp,
> unsigned int *flags);
>
> are you ok with const change in above API.
Yes, adding the const makes sense here.
next prev parent reply other threads:[~2017-09-04 15:56 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-21 17:32 [dpdk-dev] [PATCH 0/4] Infrastructure to support octeontx HW mempool manager Santosh Shukla
2017-06-21 17:32 ` [dpdk-dev] [PATCH 1/4] mempool: get the external mempool capability Santosh Shukla
2017-07-03 16:37 ` Olivier Matz
2017-07-05 6:41 ` santosh
2017-07-10 13:55 ` Olivier Matz
2017-07-10 16:09 ` santosh
2017-06-21 17:32 ` [dpdk-dev] [PATCH 2/4] mempool: detect physical contiguous object in pool Santosh Shukla
2017-07-03 16:37 ` Olivier Matz
2017-07-05 7:07 ` santosh
2017-06-21 17:32 ` [dpdk-dev] [PATCH 3/4] mempool: introduce block size align flag Santosh Shukla
2017-07-03 16:37 ` Olivier Matz
2017-07-05 7:35 ` santosh
2017-07-10 13:15 ` Olivier Matz
2017-07-10 16:22 ` santosh
2017-06-21 17:32 ` [dpdk-dev] [PATCH 4/4] mempool: update range info to pool Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 0/6] Infrastructure to support octeontx HW mempool manager Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 1/6] mempool: fix flags data type Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 2/6] mempool: get the mempool capability Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 3/6] mempool: detect physical contiguous object in pool Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 4/6] mempool: add mempool arg in xmem size and usage Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 5/6] mempool: introduce block size align flag Santosh Shukla
2017-07-13 9:32 ` [dpdk-dev] [PATCH v2 6/6] mempool: update range info to pool Santosh Shukla
2017-07-18 6:07 ` [dpdk-dev] [PATCH v2 0/6] Infrastructure to support octeontx HW mempool manager santosh
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 " Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 1/6] mempool: fix flags data type Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 2/6] mempool: get the mempool capability Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 3/6] mempool: detect physical contiguous object in pool Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 4/6] mempool: add mempool arg in xmem size and usage Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 5/6] mempool: introduce block size align flag Santosh Shukla
2017-07-20 13:47 ` [dpdk-dev] [PATCH v3 6/6] mempool: update range info to pool Santosh Shukla
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 0/7] Infrastructure to support octeontx HW mempool manager Santosh Shukla
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 1/7] mempool: fix flags data type Santosh Shukla
2017-09-04 14:11 ` Olivier MATZ
2017-09-04 14:18 ` santosh
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 2/7] mempool: add mempool arg in xmem size and usage Santosh Shukla
2017-09-04 14:22 ` Olivier MATZ
2017-09-04 14:33 ` santosh
2017-09-04 14:46 ` Olivier MATZ
2017-09-04 14:58 ` santosh
2017-09-04 15:23 ` Olivier MATZ
2017-09-04 15:52 ` santosh
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 3/7] doc: remove mempool api change notice Santosh Shukla
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 4/7] mempool: get the mempool capability Santosh Shukla
2017-09-04 14:32 ` Olivier MATZ
2017-09-04 14:44 ` santosh
2017-09-04 15:56 ` Olivier MATZ [this message]
2017-09-04 16:29 ` santosh
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 5/7] mempool: detect physical contiguous object in pool Santosh Shukla
2017-09-04 14:43 ` Olivier MATZ
2017-09-04 14:47 ` santosh
2017-09-04 16:00 ` Olivier MATZ
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 6/7] mempool: introduce block size align flag Santosh Shukla
2017-09-04 16:20 ` Olivier MATZ
2017-09-04 17:45 ` santosh
2017-09-07 7:27 ` Olivier MATZ
2017-09-07 7:37 ` santosh
2017-08-15 6:07 ` [dpdk-dev] [PATCH v4 7/7] mempool: update range info to pool Santosh Shukla
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 0/8] Infrastructure to support octeontx HW mempool manager Santosh Shukla
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 1/8] mempool: remove unused flags argument Santosh Shukla
2017-09-07 7:41 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 2/8] mempool: change flags from int to unsigned int Santosh Shukla
2017-09-07 7:43 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 3/8] mempool: add flags arg in xmem size and usage Santosh Shukla
2017-09-07 7:46 ` Olivier MATZ
2017-09-07 7:49 ` santosh
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 4/8] doc: remove mempool notice Santosh Shukla
2017-09-07 7:47 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 5/8] mempool: get the mempool capability Santosh Shukla
2017-09-07 7:59 ` Olivier MATZ
2017-09-07 8:15 ` santosh
2017-09-07 8:39 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 6/8] mempool: detect physical contiguous object in pool Santosh Shukla
2017-09-07 8:05 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 7/8] mempool: introduce block size align flag Santosh Shukla
2017-09-07 8:13 ` Olivier MATZ
2017-09-07 8:27 ` santosh
2017-09-07 8:57 ` Olivier MATZ
2017-09-06 11:28 ` [dpdk-dev] [PATCH v5 8/8] mempool: update range info to pool Santosh Shukla
2017-09-07 8:30 ` Olivier MATZ
2017-09-07 8:56 ` santosh
2017-09-07 9:09 ` Olivier MATZ
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 0/8] Infrastructure to support octeontx HW mempool manager Santosh Shukla
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 1/8] mempool: remove unused flags argument Santosh Shukla
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 2/8] mempool: change flags from int to unsigned int Santosh Shukla
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 3/8] mempool: add flags arg in xmem size and usage Santosh Shukla
2017-09-25 11:24 ` Olivier MATZ
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 4/8] doc: remove mempool notice Santosh Shukla
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 5/8] mempool: get the mempool capability Santosh Shukla
2017-09-25 11:26 ` Olivier MATZ
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 6/8] mempool: detect physical contiguous object in pool Santosh Shukla
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 7/8] mempool: introduce block size align flag Santosh Shukla
2017-09-22 12:59 ` Hemant Agrawal
2017-09-25 11:32 ` Olivier MATZ
2017-09-25 22:08 ` santosh
2017-09-07 15:30 ` [dpdk-dev] [PATCH v6 8/8] mempool: notify memory area to pool Santosh Shukla
2017-09-25 11:41 ` Olivier MATZ
2017-09-25 22:18 ` santosh
2017-09-29 4:53 ` santosh
2017-09-29 8:20 ` Olivier MATZ
2017-09-29 8:25 ` santosh
2017-09-13 9:58 ` [dpdk-dev] [PATCH v6 0/8] Infrastructure to support octeontx HW mempool manager santosh
2017-09-19 8:26 ` santosh
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 " Santosh Shukla
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 1/8] mempool: remove unused flags argument Santosh Shukla
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 2/8] mempool: change flags from int to unsigned int Santosh Shukla
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 3/8] mempool: add flags arg in xmem size and usage Santosh Shukla
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 4/8] doc: remove mempool notice Santosh Shukla
2017-10-01 9:28 ` [dpdk-dev] [PATCH v7 5/8] mempool: get the mempool capability Santosh Shukla
2017-10-01 9:29 ` [dpdk-dev] [PATCH v7 6/8] mempool: detect physical contiguous object in pool Santosh Shukla
2017-10-01 9:29 ` [dpdk-dev] [PATCH v7 7/8] mempool: introduce block size align flag Santosh Shukla
2017-10-02 8:35 ` santosh
2017-10-02 14:26 ` Olivier MATZ
2017-10-01 9:29 ` [dpdk-dev] [PATCH v7 8/8] mempool: notify memory area to pool Santosh Shukla
2017-10-02 8:36 ` santosh
2017-10-02 14:27 ` Olivier MATZ
2017-10-06 20:00 ` [dpdk-dev] [PATCH v7 0/8] Infrastructure to support octeontx HW mempool manager Thomas Monjalon
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