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From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: Konstantin Ananyev <konstantin.ananyev@intel.com>, dev@dpdk.org
Cc: xiaoyun.li@intel.com, anoobj@marvell.com, jerinj@marvell.com,
	ndabilpuram@marvell.com, adwivedi@marvell.com,
	shepard.siegel@atomicrules.com, ed.czeck@atomicrules.com,
	john.miller@atomicrules.com, irusskikh@marvell.com,
	ajit.khaparde@broadcom.com, somnath.kotur@broadcom.com,
	rahul.lakkireddy@chelsio.com, hemant.agrawal@nxp.com,
	sachin.saxena@oss.nxp.com, haiyue.wang@intel.com,
	johndale@cisco.com, hyonkim@cisco.com, qi.z.zhang@intel.com,
	xiao.w.wang@intel.com, humin29@huawei.com,
	yisen.zhuang@huawei.com, oulijun@huawei.com,
	beilei.xing@intel.com, jingjing.wu@intel.com,
	qiming.yang@intel.com, matan@nvidia.com, viacheslavo@nvidia.com,
	sthemmin@microsoft.com, longli@microsoft.com,
	heinrich.kuhn@corigine.com, kirankumark@marvell.com,
	mczekaj@marvell.com, jiawenwu@trustnetic.com,
	jianwang@trustnetic.com, maxime.coquelin@redhat.com,
	chenbo.xia@intel.com, thomas@monjalon.net,
	ferruh.yigit@intel.com, mdr@ashroe.eu,
	jay.jayatheerthan@intel.com
Subject: Re: [dpdk-dev] [PATCH v6 1/6] ethdev: allocate max space for internal queue array
Date: Wed, 13 Oct 2021 17:20:58 +0300
Message-ID: <9421cc81-04eb-da22-6714-184096b06678@oktetlabs.ru> (raw)
In-Reply-To: <20211013133704.31296-2-konstantin.ananyev@intel.com>

On 10/13/21 4:36 PM, Konstantin Ananyev wrote:
> At queue configure stage always allocate space for maximum possible
> number (RTE_MAX_QUEUES_PER_PORT) of queue pointers.
> That will allow 'fast' inline functions (eth_rx_burst, etc.) to refer
> pointer to internal queue data without extra checking of current number
> of configured queues.
> That would help in future to hide rte_eth_dev and related structures.
> It means that from now on, each ethdev port will always consume:
> ((2*sizeof(uintptr_t))* RTE_MAX_QUEUES_PER_PORT)
> bytes of memory for its queue pointers.
> With RTE_MAX_QUEUES_PER_PORT==1024 (default value) it is 16KB per port.
> 
> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>


  reply	other threads:[~2021-10-13 14:21 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0211007112750.25526-1-konstantin.ananyev@intel.com>
2021-10-13 13:36 ` [dpdk-dev] [PATCH v6 0/6] hide eth dev related structures Konstantin Ananyev
2021-10-13 13:36   ` [dpdk-dev] [PATCH v6 1/6] ethdev: allocate max space for internal queue array Konstantin Ananyev
2021-10-13 14:20     ` Andrew Rybchenko [this message]
2021-10-13 13:37   ` [dpdk-dev] [PATCH v6 2/6] ethdev: change input parameters for rx_queue_count Konstantin Ananyev
2021-10-13 13:37   ` [dpdk-dev] [PATCH v6 3/6] ethdev: copy fast-path API into separate structure Konstantin Ananyev
2021-10-13 14:25     ` Andrew Rybchenko
2021-10-13 13:37   ` [dpdk-dev] [PATCH v6 4/6] ethdev: make fast-path functions to use new flat array Konstantin Ananyev
2021-10-13 13:37   ` [dpdk-dev] [PATCH v6 5/6] ethdev: add API to retrieve multiple ethernet addresses Konstantin Ananyev
2021-10-13 14:31     ` Andrew Rybchenko
2021-10-13 18:58       ` Ferruh Yigit
2021-10-13 13:37   ` [dpdk-dev] [PATCH v6 6/6] ethdev: hide eth dev related structures Konstantin Ananyev
2021-10-13 14:32     ` Andrew Rybchenko
2021-10-13 20:16   ` [dpdk-dev] [PATCH v6 0/6] " Ferruh Yigit
2021-10-14 10:12     ` [dpdk-dev] 回复: " Feifei Wang
2021-10-18 16:04     ` [dpdk-dev] " Ali Alnubani
2021-10-18 16:47       ` Ferruh Yigit
2021-10-18 23:47         ` Ajit Khaparde

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