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Diffstat (limited to 'drivers/net/dpaa2/dpaa2_ethdev.c')
-rw-r--r--drivers/net/dpaa2/dpaa2_ethdev.c1035
1 files changed, 1035 insertions, 0 deletions
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
new file mode 100644
index 00000000..45764420
--- /dev/null
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -0,0 +1,1035 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright (c) 2016 NXP. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Freescale Semiconductor, Inc nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <time.h>
+#include <net/if.h>
+
+#include <rte_mbuf.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+#include <rte_string_fns.h>
+#include <rte_cycles.h>
+#include <rte_kvargs.h>
+#include <rte_dev.h>
+#include <rte_ethdev.h>
+#include <rte_fslmc.h>
+
+#include <fslmc_logs.h>
+#include <fslmc_vfio.h>
+#include <dpaa2_hw_pvt.h>
+#include <dpaa2_hw_mempool.h>
+#include <dpaa2_hw_dpio.h>
+
+#include "dpaa2_ethdev.h"
+
+static struct rte_dpaa2_driver rte_dpaa2_pmd;
+
+/**
+ * Atomically reads the link status information from global
+ * structure rte_eth_dev.
+ *
+ * @param dev
+ * - Pointer to the structure rte_eth_dev to read from.
+ * - Pointer to the buffer to be saved with the link status.
+ *
+ * @return
+ * - On success, zero.
+ * - On failure, negative value.
+ */
+static inline int
+dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
+ struct rte_eth_link *link)
+{
+ struct rte_eth_link *dst = link;
+ struct rte_eth_link *src = &dev->data->dev_link;
+
+ if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+ *(uint64_t *)src) == 0)
+ return -1;
+
+ return 0;
+}
+
+/**
+ * Atomically writes the link status information into global
+ * structure rte_eth_dev.
+ *
+ * @param dev
+ * - Pointer to the structure rte_eth_dev to read from.
+ * - Pointer to the buffer to be saved with the link status.
+ *
+ * @return
+ * - On success, zero.
+ * - On failure, negative value.
+ */
+static inline int
+dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
+ struct rte_eth_link *link)
+{
+ struct rte_eth_link *dst = &dev->data->dev_link;
+ struct rte_eth_link *src = link;
+
+ if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+ *(uint64_t *)src) == 0)
+ return -1;
+
+ return 0;
+}
+
+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_mac_addrs = priv->max_mac_filters;
+ dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
+ dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
+ dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
+ dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
+ dev_info->rx_offload_capa =
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
+ dev_info->tx_offload_capa =
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM |
+ DEV_TX_OFFLOAD_SCTP_CKSUM |
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
+ 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));
+ if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
+ goto fail;
+ }
+
+ 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->num_dist_per_tc[DPAA2_DEF_TC];
+ 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];
+ dpaa2_free_dq_storage(dpaa2_q->q_storage);
+ 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;
+ int ret;
+
+ 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;
+ }
+
+ if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
+ /* Return in case number of Rx queues is 1 */
+ if (data->nb_rx_queues == 1)
+ return 0;
+ ret = dpaa2_setup_flow_dist(dev,
+ eth_conf->rx_adv_conf.rss_conf.rss_hf);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "unable to set flow distribution."
+ "please check queue config\n");
+ return ret;
+ }
+ }
+ 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;
+ uint32_t bpid;
+ 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);
+
+ if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
+ bpid = mempool_to_bpid(mb_pool);
+ ret = dpaa2_attach_bp_list(priv,
+ rte_dpaa2_bpid_info[bpid].bp_list);
+ if (ret)
+ return ret;
+ }
+ 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 % priv->num_dist_per_tc[dpaa2_q->tc_index];
+ memset(&cfg, 0, sizeof(struct dpni_queue));
+
+ options = options | DPNI_QUEUE_OPT_USER_CTX;
+ cfg.user_context = (uint64_t)(dpaa2_q);
+
+ /*if ls2088 or rev2 device, enable the stashing */
+ if ((qbman_get_version() & 0xFFFF0000) > QMAN_REV_4000) {
+ options |= DPNI_QUEUE_OPT_FLC;
+ cfg.flc.stash_control = true;
+ cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
+ /* 00 00 00 - last 6 bit represent annotation, context stashing,
+ * data stashing setting 01 01 00 (0x14) to enable
+ * 1 line annotation, 1 line context
+ */
+ cfg.flc.value |= 0x14;
+ }
+ 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));
+
+ if (priv->num_tc == 1) {
+ tc_id = 0;
+ flow_id = tx_queue_id % priv->num_dist_per_tc[tc_id];
+ } else {
+ tc_id = tx_queue_id;
+ flow_id = 0;
+ }
+
+ 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 const uint32_t *
+dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+ static const uint32_t ptypes[] = {
+ /*todo -= add more types */
+ RTE_PTYPE_L2_ETHER,
+ RTE_PTYPE_L3_IPV4,
+ RTE_PTYPE_L3_IPV4_EXT,
+ RTE_PTYPE_L3_IPV6,
+ RTE_PTYPE_L3_IPV6_EXT,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP,
+ RTE_PTYPE_L4_SCTP,
+ RTE_PTYPE_L4_ICMP,
+ RTE_PTYPE_UNKNOWN
+ };
+
+ if (dev->rx_pkt_burst == dpaa2_dev_rx)
+ return ptypes;
+ return NULL;
+}
+
+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;
+ struct dpni_error_cfg err_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;
+ }
+
+ ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
+ DPNI_OFF_RX_L3_CSUM, true);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
+ return ret;
+ }
+
+ ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
+ DPNI_OFF_RX_L4_CSUM, true);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
+ return ret;
+ }
+
+ ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
+ DPNI_OFF_TX_L3_CSUM, true);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
+ return ret;
+ }
+
+ ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
+ DPNI_OFF_TX_L4_CSUM, true);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
+ return ret;
+ }
+
+ /*checksum errors, send them to normal path and set it in annotation */
+ err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
+
+ err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
+ err_cfg.set_frame_annotation = true;
+
+ ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
+ priv->token, &err_cfg);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
+ "code = %d\n", ret);
+ return ret;
+ }
+
+ 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;
+ struct rte_eth_link link;
+
+ 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;
+ }
+
+ /* clear the recorded link status */
+ memset(&link, 0, sizeof(link));
+ dpaa2_dev_atomic_write_link_status(dev, &link);
+}
+
+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 void
+dpaa2_dev_promiscuous_enable(
+ struct rte_eth_dev *dev)
+{
+ int ret;
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return;
+ }
+
+ ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
+ if (ret < 0)
+ RTE_LOG(ERR, PMD, "Unable to enable promiscuous mode %d", ret);
+}
+
+static void
+dpaa2_dev_promiscuous_disable(
+ struct rte_eth_dev *dev)
+{
+ int ret;
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return;
+ }
+
+ ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
+ if (ret < 0)
+ RTE_LOG(ERR, PMD, "Unable to disable promiscuous mode %d", ret);
+}
+
+static int
+dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ int ret;
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+ uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return -EINVAL;
+ }
+
+ /* check that mtu is within the allowed range */
+ if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
+ return -EINVAL;
+
+ /* Set the Max Rx frame length as 'mtu' +
+ * Maximum Ethernet header length
+ */
+ ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
+ mtu + ETH_VLAN_HLEN);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "setting the max frame length failed");
+ return -1;
+ }
+ PMD_DRV_LOG(INFO, "MTU is configured %d for the device\n", mtu);
+ return 0;
+}
+
+static
+void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_stats *stats)
+{
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+ int32_t retcode;
+ uint8_t page0 = 0, page1 = 1, page2 = 2;
+ union dpni_statistics value;
+
+ memset(&value, 0, sizeof(union dpni_statistics));
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (!dpni) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return;
+ }
+
+ if (!stats) {
+ RTE_LOG(ERR, PMD, "stats is NULL");
+ return;
+ }
+
+ /*Get Counters from page_0*/
+ retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
+ page0, &value);
+ if (retcode)
+ goto err;
+
+ stats->ipackets = value.page_0.ingress_all_frames;
+ stats->ibytes = value.page_0.ingress_all_bytes;
+
+ /*Get Counters from page_1*/
+ retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
+ page1, &value);
+ if (retcode)
+ goto err;
+
+ stats->opackets = value.page_1.egress_all_frames;
+ stats->obytes = value.page_1.egress_all_bytes;
+
+ /*Get Counters from page_2*/
+ retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
+ page2, &value);
+ if (retcode)
+ goto err;
+
+ stats->ierrors = value.page_2.ingress_discarded_frames;
+ stats->oerrors = value.page_2.egress_discarded_frames;
+ stats->imissed = value.page_2.ingress_nobuffer_discards;
+
+ return;
+
+err:
+ RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
+ return;
+};
+
+static
+void dpaa2_dev_stats_reset(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;
+ int32_t retcode;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "dpni is NULL");
+ return;
+ }
+
+ retcode = dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
+ if (retcode)
+ goto error;
+
+ return;
+
+error:
+ RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
+ return;
+};
+
+/* return 0 means link status changed, -1 means not changed */
+static int
+dpaa2_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete __rte_unused)
+{
+ int ret;
+ struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
+ struct rte_eth_link link, old;
+ struct dpni_link_state state = {0};
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dpni == NULL) {
+ RTE_LOG(ERR, PMD, "error : dpni is NULL");
+ return 0;
+ }
+ memset(&old, 0, sizeof(old));
+ dpaa2_dev_atomic_read_link_status(dev, &old);
+
+ ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
+ if (ret < 0) {
+ RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d", ret);
+ return -1;
+ }
+
+ if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
+ RTE_LOG(DEBUG, PMD, "No change in status\n");
+ return -1;
+ }
+
+ memset(&link, 0, sizeof(struct rte_eth_link));
+ link.link_status = state.up;
+ link.link_speed = state.rate;
+
+ if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
+ link.link_duplex = ETH_LINK_HALF_DUPLEX;
+ else
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+
+ dpaa2_dev_atomic_write_link_status(dev, &link);
+
+ if (link.link_status)
+ PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
+ else
+ PMD_DRV_LOG(INFO, "Port %d Link is Down\n", dev->data->port_id);
+ return 0;
+}
+
+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,
+ .promiscuous_enable = dpaa2_dev_promiscuous_enable,
+ .promiscuous_disable = dpaa2_dev_promiscuous_disable,
+ .link_update = dpaa2_dev_link_update,
+ .stats_get = dpaa2_dev_stats_get,
+ .stats_reset = dpaa2_dev_stats_reset,
+ .dev_infos_get = dpaa2_dev_info_get,
+ .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
+ .mtu_set = dpaa2_dev_mtu_set,
+ .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;
+ struct dpni_buffer_layout layout;
+ int i, ret, hw_id;
+ int tot_size;
+
+ 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;
+ for (i = 0; i < attr.num_tcs; i++) {
+ priv->num_dist_per_tc[i] = attr.num_queues;
+ break;
+ }
+
+ /* Distribution is per Tc only,
+ * so choosing RX queues from default TC only
+ */
+ priv->nb_rx_queues = priv->num_dist_per_tc[DPAA2_DEF_TC];
+
+ if (attr.num_tcs == 1)
+ priv->nb_tx_queues = attr.num_queues;
+ else
+ priv->nb_tx_queues = attr.num_tcs;
+
+ PMD_INIT_LOG(DEBUG, "num_tc %d", priv->num_tc);
+ PMD_INIT_LOG(DEBUG, "nb_rx_queues %d", priv->nb_rx_queues);
+
+ priv->hw = dpni_dev;
+ priv->hw_id = hw_id;
+ priv->options = attr.options;
+ priv->max_mac_filters = attr.mac_filter_entries;
+ priv->max_vlan_filters = attr.vlan_filter_entries;
+ 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;
+ }
+
+ /* Allocate memory for storing MAC addresses */
+ eth_dev->data->mac_addrs = rte_zmalloc("dpni",
+ ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
+ if (eth_dev->data->mac_addrs == NULL) {
+ PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
+ "store MAC addresses",
+ ETHER_ADDR_LEN * attr.mac_filter_entries);
+ return -ENOMEM;
+ }
+
+ ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
+ priv->token,
+ (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
+ if (ret) {
+ PMD_INIT_LOG(ERR, "DPNI get mac address failed:"
+ " Error Code = %d\n", ret);
+ return -ret;
+ }
+
+ /* ... rx buffer layout ... */
+ tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
+ tot_size = RTE_ALIGN_CEIL(tot_size,
+ DPAA2_PACKET_LAYOUT_ALIGN);
+
+ memset(&layout, 0, sizeof(struct dpni_buffer_layout));
+ layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
+ DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
+ DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
+ DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
+
+ layout.pass_frame_status = 1;
+ layout.data_head_room = tot_size
+ - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
+ layout.private_data_size = DPAA2_FD_PTA_SIZE;
+ layout.pass_parser_result = 1;
+ PMD_INIT_LOG(DEBUG, "Tot_size = %d, head room = %d, private = %d",
+ tot_size, layout.data_head_room, layout.private_data_size);
+ ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
+ DPNI_QUEUE_RX, &layout);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout", ret);
+ return -1;
+ }
+
+ /* ... tx buffer layout ... */
+ memset(&layout, 0, sizeof(struct dpni_buffer_layout));
+ layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
+ layout.pass_frame_status = 1;
+ ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
+ DPNI_QUEUE_TX, &layout);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer"
+ " layout", ret);
+ return -1;
+ }
+
+ /* ... tx-conf and error buffer layout ... */
+ memset(&layout, 0, sizeof(struct dpni_buffer_layout));
+ layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
+ layout.pass_frame_status = 1;
+ ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
+ DPNI_QUEUE_TX_CONFIRM, &layout);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer"
+ " layout", ret);
+ return -1;
+ }
+
+ eth_dev->dev_ops = &dpaa2_ethdev_ops;
+ eth_dev->data->drv_name = rte_dpaa2_pmd.driver.name;
+
+ eth_dev->rx_pkt_burst = dpaa2_dev_rx;
+ eth_dev->tx_pkt_burst = dpaa2_dev_tx;
+ rte_fslmc_vfio_dmamap();
+
+ return 0;
+}
+
+static int
+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;
+ }
+
+ /* Allocate memory for storing MAC addresses */
+ if (eth_dev->data->mac_addrs) {
+ rte_free(eth_dev->data->mac_addrs);
+ eth_dev->data->mac_addrs = 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;
+ eth_dev->rx_pkt_burst = NULL;
+ eth_dev->tx_pkt_burst = NULL;
+
+ return 0;
+}
+
+static int
+rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv __rte_unused,
+ struct rte_dpaa2_device *dpaa2_dev)
+{
+ struct rte_eth_dev *eth_dev;
+ char ethdev_name[RTE_ETH_NAME_MAX_LEN];
+
+ int diag;
+
+ sprintf(ethdev_name, "dpni-%d", dpaa2_dev->object_id);
+
+ eth_dev = rte_eth_dev_allocate(ethdev_name);
+ if (eth_dev == NULL)
+ return -ENOMEM;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ eth_dev->data->dev_private = rte_zmalloc(
+ "ethdev private structure",
+ sizeof(struct dpaa2_dev_priv),
+ RTE_CACHE_LINE_SIZE);
+ if (eth_dev->data->dev_private == NULL) {
+ PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
+ " private port data\n");
+ rte_eth_dev_release_port(eth_dev);
+ return -ENOMEM;
+ }
+ }
+ eth_dev->device = &dpaa2_dev->device;
+ dpaa2_dev->eth_dev = eth_dev;
+ eth_dev->data->rx_mbuf_alloc_failed = 0;
+
+ /* Invoke PMD device initialization function */
+ diag = dpaa2_dev_init(eth_dev);
+ if (diag == 0)
+ return 0;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eth_dev->data->dev_private);
+ rte_eth_dev_release_port(eth_dev);
+ return diag;
+}
+
+static int
+rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
+{
+ struct rte_eth_dev *eth_dev;
+
+ eth_dev = dpaa2_dev->eth_dev;
+ dpaa2_dev_uninit(eth_dev);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eth_dev->data->dev_private);
+ rte_eth_dev_release_port(eth_dev);
+
+ return 0;
+}
+
+static struct rte_dpaa2_driver rte_dpaa2_pmd = {
+ .drv_type = DPAA2_MC_DPNI_DEVID,
+ .probe = rte_dpaa2_probe,
+ .remove = rte_dpaa2_remove,
+};
+
+RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);