From 3e5a335d3f884479aeb79c097283799a89111e97 Mon Sep 17 00:00:00 2001 From: Hemant Agrawal Date: Tue, 11 Apr 2017 19:19:22 +0530 Subject: [PATCH] net/dpaa2: add basic operations Signed-off-by: Hemant Agrawal --- doc/guides/nics/features/dpaa2.ini | 1 + drivers/net/dpaa2/Makefile | 1 + drivers/net/dpaa2/dpaa2_ethdev.c | 410 ++++++++++++++++++++++++++++- drivers/net/dpaa2/dpaa2_ethdev.h | 15 ++ 4 files changed, 426 insertions(+), 1 deletion(-) diff --git a/doc/guides/nics/features/dpaa2.ini b/doc/guides/nics/features/dpaa2.ini index b1762086e4..0b5972529d 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/Makefile b/drivers/net/dpaa2/Makefile index 889181d288..4350f45638 100644 --- a/drivers/net/dpaa2/Makefile +++ b/drivers/net/dpaa2/Makefile @@ -49,6 +49,7 @@ CFLAGS += -I$(RTE_SDK)/drivers/net/dpaa2/mc CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/qbman/include CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/mc +CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/portal CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal # versioning export map diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index 0b3dd67e42..5618feb15c 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -47,32 +47,440 @@ #include #include +#include + #include "dpaa2_ethdev.h" static struct rte_dpaa2_driver rte_dpaa2_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->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; + + dev_info->speed_capa = ETH_LINK_SPEED_1G | + ETH_LINK_SPEED_2_5G | + ETH_LINK_SPEED_10G; +} + +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) +{ + struct rte_eth_dev_data *data = dev->data; + struct rte_eth_conf *eth_conf = &data->dev_conf; + + PMD_INIT_FUNC_TRACE(); + + /* Check for correct configuration */ + if (eth_conf->rxmode.mq_mode != ETH_MQ_RX_RSS && + data->nb_rx_queues > 1) { + PMD_INIT_LOG(ERR, "Distribution is not enabled, " + "but Rx queues more than 1\n"); + return -1; + } + + return 0; +} + +/* Function to setup RX flow information. It contains traffic class ID, + * flow ID, destination configuration etc. + */ +static int +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", + ret, priv->hw_id); + 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; +} + +/** + * This routine disables all traffic on the adapter by issuing a + * global reset on the MAC. + */ +static void +dpaa2_dev_stop(struct rte_eth_dev *dev) +{ + struct dpaa2_dev_priv *priv = dev->data->dev_private; + struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + int ret; + + PMD_INIT_FUNC_TRACE(); + + ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token); + if (ret) { + PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n", + ret, priv->hw_id); + return; + } +} + +static void +dpaa2_dev_close(struct rte_eth_dev *dev) +{ + struct dpaa2_dev_priv *priv = dev->data->dev_private; + struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + int ret; + + PMD_INIT_FUNC_TRACE(); + + /* Clean the device first */ + ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token); + if (ret) { + PMD_INIT_LOG(ERR, "Failure cleaning dpni device with" + " error code %d\n", ret); + return; + } +} + +static struct eth_dev_ops dpaa2_ethdev_ops = { + .dev_configure = dpaa2_eth_dev_configure, + .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, +}; + static int dpaa2_dev_init(struct rte_eth_dev *eth_dev) { + 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; + PMD_INIT_FUNC_TRACE(); /* For secondary processes, the primary has done all the work */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; + dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device); + + hw_id = dpaa2_dev->object_id; + + dpni_dev = (struct fsl_mc_io *)malloc(sizeof(struct fsl_mc_io)); + if (!dpni_dev) { + PMD_INIT_LOG(ERR, "malloc failed for dpni device\n"); + return -1; + } + + dpni_dev->regs = rte_mcp_ptr_list[0]; + ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token); + if (ret) { + PMD_INIT_LOG(ERR, "Failure in opening dpni@%d device with" + " error code %d\n", hw_id, ret); + return -1; + } + + /* Clean the device first */ + ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token); + if (ret) { + PMD_INIT_LOG(ERR, "Failure cleaning dpni@%d device with" + " error code %d\n", hw_id, ret); + 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; + + priv->hw = dpni_dev; + priv->hw_id = hw_id; + priv->flags = 0; + + /* Allocate memory for hardware structure for queues */ + 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; eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name; return 0; } static int -dpaa2_dev_uninit(struct rte_eth_dev *eth_dev __rte_unused) +dpaa2_dev_uninit(struct rte_eth_dev *eth_dev) { + struct dpaa2_dev_priv *priv = eth_dev->data->dev_private; + struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw; + int i, ret; + struct dpaa2_queue *dpaa2_q; + PMD_INIT_FUNC_TRACE(); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; + if (!dpni) { + PMD_INIT_LOG(WARNING, "Already closed or not started"); + return -1; + } + + dpaa2_dev_close(eth_dev); + + if (priv->rx_vq[0]) { + /* cleaning up queue storage */ + for (i = 0; i < priv->nb_rx_queues; i++) { + dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i]; + if (dpaa2_q->q_storage) + rte_free(dpaa2_q->q_storage); + } + /*free the all queue memory */ + rte_free(priv->rx_vq[0]); + priv->rx_vq[0] = NULL; + } + + + /*Close the device at underlying layer*/ + ret = dpni_close(dpni, CMD_PRI_LOW, priv->token); + if (ret) { + PMD_INIT_LOG(ERR, "Failure closing dpni device with" + " error code %d\n", ret); + } + + /*Free the allocated memory for ethernet private data and dpni*/ + priv->hw = NULL; + free(dpni); + + eth_dev->dev_ops = NULL; + return 0; } diff --git a/drivers/net/dpaa2/dpaa2_ethdev.h b/drivers/net/dpaa2/dpaa2_ethdev.h index 57787807a5..5f599a77c1 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.h +++ b/drivers/net/dpaa2/dpaa2_ethdev.h @@ -34,11 +34,26 @@ #ifndef _DPAA2_ETHDEV_H #define _DPAA2_ETHDEV_H +#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 + 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_ETHDEV_H */ -- 2.20.1