From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BE6AEA0353; Tue, 5 Nov 2019 12:24:55 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6E5C22C12; Tue, 5 Nov 2019 12:24:55 +0100 (CET) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id C3F542BF9 for ; Tue, 5 Nov 2019 12:24:53 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Nov 2019 03:24:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,271,1569308400"; d="scan'208";a="204946555" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.96]) ([10.237.221.96]) by orsmga003.jf.intel.com with ESMTP; 05 Nov 2019 03:24:50 -0800 To: Ori Kam , John McNamara , Marko Kovacevic , Thomas Monjalon , Andrew Rybchenko Cc: dev@dpdk.org, jingjing.wu@intel.com, stephen@networkplumber.org, Jerin Jacob References: <1569479349-36962-1-git-send-email-orika@mellanox.com> <1572479604-178752-1-git-send-email-orika@mellanox.com> <1572479604-178752-3-git-send-email-orika@mellanox.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v7 02/14] ethdev: add support for hairpin queue 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 10/30/2019 11:53 PM, Ori Kam wrote: > This commit introduce hairpin queue type. > > The hairpin queue in build from Rx queue binded to Tx queue. > It is used to offload traffic coming from the wire and redirect it back > to the wire. > > There are 3 new functions: > - rte_eth_dev_hairpin_capability_get > - rte_eth_rx_hairpin_queue_setup > - rte_eth_tx_hairpin_queue_setup > > In order to use the queue, there is a need to create rte_flow > with queue / RSS action that targets one or more of the Rx queues. > > Signed-off-by: Ori Kam > Reviewed-by: Andrew Rybchenko <...> > #include > > /** > + * @internal > + * Check if the selected Rx queue is hairpin queue. > + * > + * @param dev > + * Pointer to the selected device. > + * @param queue_id > + * The selected queue. > + * > + * @return > + * - (1) if the queue is hairpin queue, 0 otherwise. > + */ > +int > +rte_eth_dev_is_rx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id); > + > +/** > + * @internal > + * Check if the selected Tx queue is hairpin queue. > + * > + * @param dev > + * Pointer to the selected device. > + * @param queue_id > + * The selected queue. > + * > + * @return > + * - (1) if the queue is hairpin queue, 0 otherwise. > + */ > +int > +rte_eth_dev_is_tx_hairpin_queue(struct rte_eth_dev *dev, uint16_t queue_id); > + > +/** If these functions are internal why there are in 'rte_ethdev.h' ? > * > * Retrieve a burst of input packets from a receive queue of an Ethernet > * device. The retrieved packets are stored in *rte_mbuf* structures whose > @@ -4251,6 +4400,11 @@ int rte_eth_dev_adjust_nb_rx_tx_desc(uint16_t port_id, > RTE_ETHDEV_LOG(ERR, "Invalid RX queue_id=%u\n", queue_id); > return 0; > } > + if (rte_eth_dev_is_rx_hairpin_queue(dev, queue_id)) { > + RTE_ETHDEV_LOG(ERR, "Rx burst failed, queue_id=%u is hairpin queue\n", > + queue_id); > + return 0; > + } > #endif > nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id], > rx_pkts, nb_pkts); > @@ -4517,6 +4671,11 @@ static inline int rte_eth_tx_descriptor_status(uint16_t port_id, > RTE_ETHDEV_LOG(ERR, "Invalid TX queue_id=%u\n", queue_id); > return 0; > } > + if (rte_eth_dev_is_tx_hairpin_queue(dev, queue_id)) { > + RTE_ETHDEV_LOG(ERR, "Tx burst failed, queue_id=%u is hairpin queue\n", > + queue_id); > + return 0; > + } > #endif Hi Ori, These are causing build error, thanks Jerin for catching, because they are internal and called by a public static inline API, so whoever calls 'rte_eth_rx/tx_burst()' APIs in the shared build, can't find 'rte_eth_dev_is_rx/tx_hairpin_queue()' functions [1], as far as I can see there are two options: 1) Remove these checks 2) Make 'rte_eth_dev_is_rx/tx_hairpin_queue()' public API instead of internal If there is a value to make 'rte_eth_dev_is_rx/tx_hairpin_queue()' public API we should go with (2) else (1). [1] /usr/bin/ld: rte_event_eth_rx_adapter.o: in function `rxa_eth_rx': rte_event_eth_rx_adapter.c:(.text+0x1728): undefined reference to `rte_eth_dev_is_rx_hairpin_queue' /usr/bin/ld: rte_event_eth_rx_adapter.o: in function `rxa_service_func': rte_event_eth_rx_adapter.c:(.text+0x22ab): undefined reference to `rte_eth_dev_is_rx_hairpin_queue' /usr/bin/ld: rte_event_eth_tx_adapter.o: in function `txa_service_buffer_retry': rte_event_eth_tx_adapter.c:(.text+0xa43): undefined reference to `rte_eth_dev_is_tx_hairpin_queue' /usr/bin/ld: rte_event_eth_tx_adapter.o: in function `txa_service_func': rte_event_eth_tx_adapter.c:(.text+0xe7d): undefined reference to `rte_eth_dev_is_tx_hairpin_queue' /usr/bin/ld: rte_event_eth_tx_adapter.c:(.text+0x1155): undefined reference to `rte_eth_dev_is_tx_hairpin_queue' collect2: error: ld returned 1 exit status