From patchwork Thu Mar 2 00:20:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allain Legacy X-Patchwork-Id: 21035 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id E5D84F95B; Thu, 2 Mar 2017 01:21:45 +0100 (CET) Received: from mail1.windriver.com (mail1.windriver.com [147.11.146.13]) by dpdk.org (Postfix) with ESMTP id 7C7F02B9D for ; Thu, 2 Mar 2017 01:20:41 +0100 (CET) Received: from ALA-HCA.corp.ad.wrs.com (ala-hca.corp.ad.wrs.com [147.11.189.40]) by mail1.windriver.com (8.15.2/8.15.1) with ESMTPS id v220Kaec014979 (version=TLSv1 cipher=AES128-SHA bits=128 verify=FAIL); Wed, 1 Mar 2017 16:20:36 -0800 (PST) Received: from yow-cgts4-lx.wrs.com (128.224.145.137) by ALA-HCA.corp.ad.wrs.com (147.11.189.50) with Microsoft SMTP Server (TLS) id 14.3.294.0; Wed, 1 Mar 2017 16:20:34 -0800 From: Allain Legacy To: CC: , , , , Date: Wed, 1 Mar 2017 19:20:02 -0500 Message-ID: <1488414008-162839-11-git-send-email-allain.legacy@windriver.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1488414008-162839-1-git-send-email-allain.legacy@windriver.com> References: <1488136143-116389-1-git-send-email-allain.legacy@windriver.com> <1488414008-162839-1-git-send-email-allain.legacy@windriver.com> MIME-Version: 1.0 X-Originating-IP: [128.224.145.137] Subject: [dpdk-dev] [PATCH v3 10/16] net/avp: queue setup and release 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" Adds queue management operations so that an appliation can setup and release the transmit and receive queues. Signed-off-by: Allain Legacy Signed-off-by: Matt Peters --- drivers/net/avp/avp_ethdev.c | 144 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 143 insertions(+), 1 deletion(-) diff --git a/drivers/net/avp/avp_ethdev.c b/drivers/net/avp/avp_ethdev.c index e9c67ce..b0c5ae4 100644 --- a/drivers/net/avp/avp_ethdev.c +++ b/drivers/net/avp/avp_ethdev.c @@ -73,7 +73,21 @@ static void avp_dev_info_get(struct rte_eth_dev *dev, static void avp_vlan_offload_set(struct rte_eth_dev *dev, int mask); static int avp_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complete); - +static int avp_dev_rx_queue_setup(struct rte_eth_dev *dev, + uint16_t rx_queue_id, + uint16_t nb_rx_desc, + unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *pool); + +static int avp_dev_tx_queue_setup(struct rte_eth_dev *dev, + uint16_t tx_queue_id, + uint16_t nb_tx_desc, + unsigned int socket_id, + const struct rte_eth_txconf *tx_conf); + +static void avp_dev_rx_queue_release(void *rxq); +static void avp_dev_tx_queue_release(void *txq); #define AVP_DEV_TO_PCI(eth_dev) RTE_DEV_TO_PCI((eth_dev)->device) @@ -119,6 +133,10 @@ static int avp_dev_link_update(struct rte_eth_dev *dev, .dev_infos_get = avp_dev_info_get, .vlan_offload_set = avp_vlan_offload_set, .link_update = avp_dev_link_update, + .rx_queue_setup = avp_dev_rx_queue_setup, + .rx_queue_release = avp_dev_rx_queue_release, + .tx_queue_setup = avp_dev_tx_queue_setup, + .tx_queue_release = avp_dev_tx_queue_release, }; /**@{ AVP device flags */ @@ -975,6 +993,130 @@ struct avp_queue { static int +avp_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t rx_queue_id, + uint16_t nb_rx_desc, + unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *pool) +{ + struct avp_dev *avp = AVP_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); + struct rte_pktmbuf_pool_private *mbp_priv; + struct avp_queue *rxq; + + if (rx_queue_id >= eth_dev->data->nb_rx_queues) { + PMD_DRV_LOG(ERR, "RX queue id is out of range: rx_queue_id=%u, nb_rx_queues=%u\n", + rx_queue_id, eth_dev->data->nb_rx_queues); + return -EINVAL; + } + + /* Save mbuf pool pointer */ + avp->pool = pool; + + /* Save the local mbuf size */ + mbp_priv = rte_mempool_get_priv(pool); + avp->guest_mbuf_size = (uint16_t)(mbp_priv->mbuf_data_room_size); + avp->guest_mbuf_size -= RTE_PKTMBUF_HEADROOM; + + PMD_DRV_LOG(DEBUG, "AVP max_rx_pkt_len=(%u,%u) mbuf_size=(%u,%u)\n", + avp->max_rx_pkt_len, + eth_dev->data->dev_conf.rxmode.max_rx_pkt_len, + avp->host_mbuf_size, + avp->guest_mbuf_size); + + /* allocate a queue object */ + rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct avp_queue), + RTE_CACHE_LINE_SIZE, socket_id); + if (rxq == NULL) { + PMD_DRV_LOG(ERR, "Failed to allocate new Rx queue object\n"); + return -ENOMEM; + } + + /* save back pointers to AVP and Ethernet devices */ + rxq->avp = avp; + rxq->dev_data = eth_dev->data; + eth_dev->data->rx_queues[rx_queue_id] = (void *)rxq; + + /* setup the queue receive mapping for the current queue. */ + _avp_set_rx_queue_mappings(eth_dev, rx_queue_id); + + PMD_DRV_LOG(DEBUG, "Rx queue %u setup at %p\n", rx_queue_id, rxq); + + (void)nb_rx_desc; + (void)rx_conf; + return 0; +} + +static int +avp_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t tx_queue_id, + uint16_t nb_tx_desc, + unsigned int socket_id, + const struct rte_eth_txconf *tx_conf) +{ + struct avp_dev *avp = AVP_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); + struct avp_queue *txq; + + if (tx_queue_id >= eth_dev->data->nb_tx_queues) { + PMD_DRV_LOG(ERR, "TX queue id is out of range: tx_queue_id=%u, nb_tx_queues=%u\n", + tx_queue_id, eth_dev->data->nb_tx_queues); + return -EINVAL; + } + + /* allocate a queue object */ + txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct avp_queue), + RTE_CACHE_LINE_SIZE, socket_id); + if (txq == NULL) { + PMD_DRV_LOG(ERR, "Failed to allocate new Tx queue object\n"); + return -ENOMEM; + } + + /* only the configured set of transmit queues are used */ + txq->queue_id = tx_queue_id; + txq->queue_base = tx_queue_id; + txq->queue_limit = tx_queue_id; + + /* save back pointers to AVP and Ethernet devices */ + txq->avp = avp; + txq->dev_data = eth_dev->data; + eth_dev->data->tx_queues[tx_queue_id] = (void *)txq; + + PMD_DRV_LOG(DEBUG, "Tx queue %u setup at %p\n", tx_queue_id, txq); + + (void)nb_tx_desc; + (void)tx_conf; + return 0; +} + +static void +avp_dev_rx_queue_release(void *rx_queue) +{ + struct avp_queue *rxq = (struct avp_queue *)rx_queue; + struct avp_dev *avp = rxq->avp; + struct rte_eth_dev_data *data = avp->dev_data; + unsigned int i; + + for (i = 0; i < avp->num_rx_queues; i++) { + if (data->rx_queues[i] == rxq) + data->rx_queues[i] = NULL; + } +} + +static void +avp_dev_tx_queue_release(void *tx_queue) +{ + struct avp_queue *txq = (struct avp_queue *)tx_queue; + struct avp_dev *avp = txq->avp; + struct rte_eth_dev_data *data = avp->dev_data; + unsigned int i; + + for (i = 0; i < avp->num_tx_queues; i++) { + if (data->tx_queues[i] == txq) + data->tx_queues[i] = NULL; + } +} + +static int avp_dev_configure(struct rte_eth_dev *eth_dev) { struct rte_pci_device *pci_dev = AVP_DEV_TO_PCI(eth_dev);