From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 6E0C7A0096 for ; Thu, 6 Jun 2019 11:24:09 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 964FB1B95A; Thu, 6 Jun 2019 11:24:08 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 5B5CB1B959 for ; Thu, 6 Jun 2019 11:24:07 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jun 2019 02:24:06 -0700 X-ExtLoop1: 1 Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.26]) ([10.237.221.26]) by orsmga006.jf.intel.com with ESMTP; 06 Jun 2019 02:24:05 -0700 From: Ferruh Yigit To: Jakub Grajciar , dev@dpdk.org References: <20190520101841.17708-1-jgrajcia@cisco.com> <20190531062247.5952-1-jgrajcia@cisco.com> <7171944c-edec-e6c9-1795-fdd6e8385377@intel.com> Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <7171944c-edec-e6c9-1795-fdd6e8385377@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v10] net/memif: introduce memory interface (memif) PMD X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 6/5/2019 12:55 PM, Ferruh Yigit wrote: > On 5/31/2019 7:22 AM, Jakub Grajciar wrote: >> Memory interface (memif), provides high performance >> packet transfer over shared memory. > > Almost there, can you please check below comments? I am hoping to merge next > version of the patch. > > Thanks, > ferruh > >> >> Signed-off-by: Jakub Grajciar > > <...> > >> +static const char *valid_arguments[] = { >> + ETH_MEMIF_ID_ARG, >> + ETH_MEMIF_ROLE_ARG, >> + ETH_MEMIF_PKT_BUFFER_SIZE_ARG, >> + ETH_MEMIF_RING_SIZE_ARG, >> + ETH_MEMIF_SOCKET_ARG, >> + ETH_MEMIF_MAC_ARG, >> + ETH_MEMIF_ZC_ARG, >> + ETH_MEMIF_SECRET_ARG, >> + NULL >> +}; > > Checkpatch is giving following warning: > > WARNING:STATIC_CONST_CHAR_ARRAY: static const char * array should probably be > static const char * const > #1885: FILE: drivers/net/memif/rte_eth_memif.c:39: > +static const char *valid_arguments[] = { > > <...> > >> +static int >> +rte_pmd_memif_remove(struct rte_vdev_device *vdev) >> +{ >> + struct rte_eth_dev *eth_dev; >> + int i; >> + >> + eth_dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev)); >> + if (eth_dev == NULL) >> + return 0; >> + >> + for (i = 0; i < eth_dev->data->nb_rx_queues; i++) >> + (*eth_dev->dev_ops->rx_queue_release)(eth_dev->data->rx_queues[i]); >> + for (i = 0; i < eth_dev->data->nb_tx_queues; i++) >> + (*eth_dev->dev_ops->rx_queue_release)(eth_dev->data->tx_queues[i]); > > Although they point same function, better to use 'dev_ops->tx_queue_release' for > Tx queues. > >> + >> + rte_free(eth_dev->process_private); >> + eth_dev->process_private = NULL; > > "process_private" is not used in this PMD at all, no need to free it I think. > >> + >> + rte_eth_dev_close(eth_dev->data->port_id); > > There are two exit path from a PMD: > 1) rte_eth_dev_close() API > 2) rte_vdev_driver->remove() called by hotplug remove APIs ('rte_dev_remove()' > or 'rte_eal_hotplug_remove()') > > Both should clear all PMD allocated resources. Since you are calling > 'rte_eth_dev_close() from this .remove() function, it makes sense to move all > resource cleanup to .dev_close (like queue cleanup calls above). > Hi Jakup, Above comments seems not implemented in v11, can you please check them? If anything is not clear feel free to reach me on the irc. Thanks, ferruh