From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hemant Agrawal Subject: [PATCH 20/32] net/dpaa2: add queue configuration support Date: Sun, 4 Dec 2016 23:47:15 +0530 Message-ID: <1480875447-23680-21-git-send-email-hemant.agrawal@nxp.com> References: <1480875447-23680-1-git-send-email-hemant.agrawal@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , Hemant Agrawal To: Return-path: Received: from NAM03-CO1-obe.outbound.protection.outlook.com (mail-co1nam03on0087.outbound.protection.outlook.com [104.47.40.87]) by dpdk.org (Postfix) with ESMTP id 054475678 for ; Sun, 4 Dec 2016 13:44:29 +0100 (CET) In-Reply-To: <1480875447-23680-1-git-send-email-hemant.agrawal@nxp.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Hemant Agrawal --- doc/guides/nics/features/dpaa2.ini | 1 + drivers/net/dpaa2/base/dpaa2_hw_dpni.h | 14 +- drivers/net/dpaa2/base/dpaa2_hw_pvt.h | 21 +++ drivers/net/dpaa2/dpaa2_ethdev.c | 254 ++++++++++++++++++++++++++++++++- 4 files changed, 288 insertions(+), 2 deletions(-) diff --git a/doc/guides/nics/features/dpaa2.ini b/doc/guides/nics/features/dpaa2.ini index b176208..0b59725 100644 --- a/doc/guides/nics/features/dpaa2.ini +++ b/doc/guides/nics/features/dpaa2.ini @@ -4,6 +4,7 @@ ; Refer to default.ini for the full list of available PMD features. ; [Features] +Queue start/stop = Y Linux VFIO = Y ARMv8 = Y Usage doc = Y diff --git a/drivers/net/dpaa2/base/dpaa2_hw_dpni.h b/drivers/net/dpaa2/base/dpaa2_hw_dpni.h index 1b655e4..197fd28 100644 --- a/drivers/net/dpaa2/base/dpaa2_hw_dpni.h +++ b/drivers/net/dpaa2/base/dpaa2_hw_dpni.h @@ -36,15 +36,27 @@ #include #include + +#define MAX_RX_QUEUES 16 +#define MAX_TX_QUEUES 16 + +/*default tc to be used for ,congestion, distribution etc configuration. */ +#define DPAA2_DEF_TC 0 + /*! Global MCP list */ extern void *(*mcp_ptr_list); - struct dpaa2_dev_priv { void *hw; int32_t hw_id; + int32_t qdid; uint16_t token; + uint8_t nb_tx_queues; + uint8_t nb_rx_queues; + void *rx_vq[MAX_RX_QUEUES]; + void *tx_vq[MAX_TX_QUEUES]; + uint8_t num_tc; uint8_t flags; /*dpaa2 config flags */ }; #endif /* _DPAA2_DPNI_H_ */ diff --git a/drivers/net/dpaa2/base/dpaa2_hw_pvt.h b/drivers/net/dpaa2/base/dpaa2_hw_pvt.h index 5038209..867611f 100644 --- a/drivers/net/dpaa2/base/dpaa2_hw_pvt.h +++ b/drivers/net/dpaa2/base/dpaa2_hw_pvt.h @@ -37,9 +37,12 @@ #include #include +#define DPAA2_DQRR_RING_SIZE 16 + /** #include +#include #include /* DPDK Interfaces */ #include +/* Name of the DPAA2 Net PMD */ +static const char *drivername = "DPNI PMD"; + +static void +dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) +{ + struct dpaa2_dev_priv *priv = dev->data->dev_private; + + PMD_INIT_FUNC_TRACE(); + + dev_info->driver_name = drivername; + dev_info->if_index = priv->hw_id; + + dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues; + dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues; +} + +static int +dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev) +{ + struct dpaa2_dev_priv *priv = dev->data->dev_private; + uint16_t dist_idx; + uint32_t vq_id; + struct dpaa2_queue *mc_q, *mcq; + uint32_t tot_queues; + int i; + struct dpaa2_queue *dpaa2_q; + + PMD_INIT_FUNC_TRACE(); + + tot_queues = priv->nb_rx_queues + priv->nb_tx_queues; + mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues, + RTE_CACHE_LINE_SIZE); + if (!mc_q) { + PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n"); + return -1; + } + + for (i = 0; i < priv->nb_rx_queues; i++) { + mc_q->dev = dev; + priv->rx_vq[i] = mc_q++; + dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i]; + dpaa2_q->q_storage = rte_malloc("dq_storage", + sizeof(struct queue_storage_info_t), + RTE_CACHE_LINE_SIZE); + if (!dpaa2_q->q_storage) + goto fail; + + memset(dpaa2_q->q_storage, 0, + sizeof(struct queue_storage_info_t)); + dpaa2_q->q_storage->dq_storage[0] = rte_malloc(NULL, + DPAA2_DQRR_RING_SIZE * sizeof(struct qbman_result), + RTE_CACHE_LINE_SIZE); + } + + for (i = 0; i < priv->nb_tx_queues; i++) { + mc_q->dev = dev; + mc_q->flow_id = DPNI_NEW_FLOW_ID; + priv->tx_vq[i] = mc_q++; + } + + vq_id = 0; + for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) { + mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id]; + mcq->tc_index = DPAA2_DEF_TC; + mcq->flow_id = dist_idx; + vq_id++; + } + + return 0; +fail: + i -= 1; + mc_q = priv->rx_vq[0]; + while (i >= 0) { + dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i]; + rte_free(dpaa2_q->q_storage->dq_storage[0]); + rte_free(dpaa2_q->q_storage); + priv->rx_vq[i--] = NULL; + } + rte_free(mc_q); + return -1; +} + static int dpaa2_eth_dev_configure(struct rte_eth_dev *dev) { @@ -69,15 +153,134 @@ return 0; } +/* Function to setup RX flow information. It contains traffic class ID, + * flow ID, destination configuration etc. + */ static int -dpaa2_dev_start(struct rte_eth_dev *dev) +dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev, + uint16_t rx_queue_id, + uint16_t nb_rx_desc __rte_unused, + unsigned int socket_id __rte_unused, + const struct rte_eth_rxconf *rx_conf __rte_unused, + struct rte_mempool *mb_pool) { struct dpaa2_dev_priv *priv = dev->data->dev_private; struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + struct dpaa2_queue *dpaa2_q; + struct dpni_queue cfg; + uint8_t options = 0; + uint8_t flow_id; + int ret; + + PMD_INIT_FUNC_TRACE(); + + PMD_INIT_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p", + dev, rx_queue_id, mb_pool, rx_conf); + + dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id]; + dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */ + + /*Get the tc id and flow id from given VQ id*/ + flow_id = rx_queue_id; + memset(&cfg, 0, sizeof(struct dpni_queue)); + + options = options | DPNI_QUEUE_OPT_USER_CTX; + cfg.user_context = (uint64_t)(dpaa2_q); + + ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX, + dpaa2_q->tc_index, flow_id, options, &cfg); + if (ret) { + PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret); + return -1; + } + + dev->data->rx_queues[rx_queue_id] = dpaa2_q; + return 0; +} + +static int +dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev, + uint16_t tx_queue_id, + uint16_t nb_tx_desc __rte_unused, + unsigned int socket_id __rte_unused, + const struct rte_eth_txconf *tx_conf __rte_unused) +{ + struct dpaa2_dev_priv *priv = dev->data->dev_private; + struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *) + priv->tx_vq[tx_queue_id]; + struct fsl_mc_io *dpni = priv->hw; + struct dpni_queue tx_conf_cfg; + struct dpni_queue tx_flow_cfg; + uint8_t options = 0, flow_id; + uint32_t tc_id; int ret; PMD_INIT_FUNC_TRACE(); + /* Return if queue already configured */ + if (dpaa2_q->flow_id != DPNI_NEW_FLOW_ID) + return 0; + + memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue)); + memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue)); + + tc_id = 0; + flow_id = tx_queue_id; + + ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX, + tc_id, flow_id, options, &tx_flow_cfg); + if (ret) { + PMD_INIT_LOG(ERR, "Error in setting the tx flow: " + "tc_id=%d, flow =%d ErrorCode = %x\n", + tc_id, flow_id, -ret); + return -1; + } + + dpaa2_q->flow_id = flow_id; + + if (tx_queue_id == 0) { + /*Set tx-conf and error configuration*/ + ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW, + priv->token, + DPNI_CONF_DISABLE); + if (ret) { + PMD_INIT_LOG(ERR, "Error in set tx conf mode settings" + " ErrorCode = %x", ret); + return -1; + } + } + dpaa2_q->tc_index = tc_id; + + dev->data->tx_queues[tx_queue_id] = dpaa2_q; + return 0; +} + +static void +dpaa2_dev_rx_queue_release(void *q __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); +} + +static void +dpaa2_dev_tx_queue_release(void *q __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); +} + +static int +dpaa2_dev_start(struct rte_eth_dev *dev) +{ + struct rte_eth_dev_data *data = dev->data; + struct dpaa2_dev_priv *priv = data->dev_private; + struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + struct dpni_queue cfg; + uint16_t qdid; + struct dpni_queue_id qid; + struct dpaa2_queue *dpaa2_q; + int ret, i; + + PMD_INIT_FUNC_TRACE(); + ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token); if (ret) { PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n", @@ -85,6 +288,27 @@ return ret; } + ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token, + DPNI_QUEUE_TX, &qdid); + if (ret) { + PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret); + return ret; + } + priv->qdid = qdid; + + for (i = 0; i < data->nb_rx_queues; i++) { + dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i]; + ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token, + DPNI_QUEUE_RX, dpaa2_q->tc_index, + dpaa2_q->flow_id, &cfg, &qid); + if (ret) { + PMD_INIT_LOG(ERR, "Error to get flow " + "information Error code = %d\n", ret); + return ret; + } + dpaa2_q->fqid = qid.fqid; + } + return 0; } @@ -132,6 +356,11 @@ .dev_start = dpaa2_dev_start, .dev_stop = dpaa2_dev_stop, .dev_close = dpaa2_dev_close, + .dev_infos_get = dpaa2_dev_info_get, + .rx_queue_setup = dpaa2_dev_rx_queue_setup, + .rx_queue_release = dpaa2_dev_rx_queue_release, + .tx_queue_setup = dpaa2_dev_tx_queue_setup, + .tx_queue_release = dpaa2_dev_tx_queue_release, }; int @@ -140,6 +369,7 @@ struct rte_device *dev = eth_dev->device; struct rte_dpaa2_device *dpaa2_dev; struct fsl_mc_io *dpni_dev; + struct dpni_attr attr; struct dpaa2_dev_priv *priv = eth_dev->data->dev_private; int ret, hw_id; @@ -175,8 +405,30 @@ return -1; } + ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr); + if (ret) { + PMD_INIT_LOG(ERR, "Failure in getting dpni@%d attribute, " + " error code %d\n", hw_id, ret); + return -1; + } + + priv->num_tc = attr.num_tcs; + priv->nb_rx_queues = attr.num_queues; + priv->nb_tx_queues = attr.num_queues; + + eth_dev->data->nb_rx_queues = priv->nb_rx_queues; + eth_dev->data->nb_tx_queues = priv->nb_tx_queues; + priv->hw = dpni_dev; priv->hw_id = hw_id; + priv->flags = 0; + + ret = dpaa2_alloc_rx_tx_queues(eth_dev); + if (ret) { + PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n"); + return -ret; + } + eth_dev->dev_ops = &dpaa2_ethdev_ops; return 0; } -- 1.9.1