Add ctrl api to setup ethdev_rx and ethdev_tx node.
This ctrl api clones 'N' number of ethdev_rx and ethdev_tx
nodes with specific (port, queue) pairs updated in their context.
All the ethdev ports and queues are setup before this api
is called.
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
[table_action] (@ref rte_table_action.h)
* [graph] (@ref rte_graph.h):
[graph_worker] (@ref rte_graph_worker.h)
+ * graph_nodes:
+ [eth_node] (@ref rte_node_eth_api.h),
- **basic**:
[approx fraction] (@ref rte_approx.h),
CFLAGS += $(WERROR_FLAGS)
# Strict-aliasing rules are violated by uint8_t[] to context size casts.
CFLAGS += -fno-strict-aliasing
-LDLIBS += -lrte_eal -lrte_graph -lrte_mbuf -lrte_ethdev
+LDLIBS += -lrte_eal -lrte_graph -lrte_mbuf -lrte_ethdev -lrte_mempool
EXPORT_MAP := rte_node_version.map
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += log.c
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ethdev_rx.c
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ethdev_tx.c
+SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ethdev_ctrl.c
+
+# install header files
+SYMLINK-$(CONFIG_RTE_LIBRTE_NODE)-include += rte_node_eth_api.h
include $(RTE_SDK)/mk/rte.lib.mk
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_ether.h>
+#include <rte_graph.h>
+
+#include "rte_node_eth_api.h"
+
+#include "ethdev_rx_priv.h"
+#include "ethdev_tx_priv.h"
+#include "node_private.h"
+
+static struct ethdev_ctrl {
+ uint16_t nb_graphs;
+} ctrl;
+
+int
+rte_node_eth_config(struct rte_node_ethdev_config *conf, uint16_t nb_confs,
+ uint16_t nb_graphs)
+{
+ struct ethdev_tx_node_main *tx_node_data;
+ uint16_t tx_q_used, rx_q_used, port_id;
+ struct rte_node_register *tx_node;
+ char name[RTE_NODE_NAMESIZE];
+ struct rte_mempool *mp;
+ uint32_t id;
+ int i, j;
+
+ tx_node_data = ethdev_tx_node_data_get();
+ tx_node = ethdev_tx_node_get();
+ for (i = 0; i < nb_confs; i++) {
+ port_id = conf[i].port_id;
+
+ if (!rte_eth_dev_is_valid_port(port_id))
+ return -EINVAL;
+
+ /* Check for mbuf minimum private size requirement */
+ for (j = 0; j < conf[i].mp_count; j++) {
+ mp = conf[i].mp[j];
+ if (!mp)
+ continue;
+ /* Check for minimum private space */
+ if (rte_pktmbuf_priv_size(mp) < NODE_MBUF_PRIV2_SIZE) {
+ node_err("ethdev",
+ "Minimum mbuf priv size requirement not met by mp %s",
+ mp->name);
+ return -EINVAL;
+ }
+ }
+
+ rx_q_used = conf[i].num_rx_queues;
+ tx_q_used = conf[i].num_tx_queues;
+ /* Check if we have a txq for each worker */
+ if (tx_q_used < nb_graphs)
+ return -EINVAL;
+
+ /* Create node for each rx port queue pair */
+ for (j = 0; j < rx_q_used; j++) {
+ struct ethdev_rx_node_main *rx_node_data;
+ struct rte_node_register *rx_node;
+ ethdev_rx_node_elem_t *elem;
+
+ rx_node_data = ethdev_rx_get_node_data_get();
+ rx_node = ethdev_rx_node_get();
+ snprintf(name, sizeof(name), "%u-%u", port_id, j);
+ /* Clone a new rx node with same edges as parent */
+ id = rte_node_clone(rx_node->id, name);
+ if (id == RTE_NODE_ID_INVALID)
+ return -EIO;
+
+ /* Add it to list of ethdev rx nodes for lookup */
+ elem = malloc(sizeof(ethdev_rx_node_elem_t));
+ memset(elem, 0, sizeof(ethdev_rx_node_elem_t));
+ elem->ctx.port_id = port_id;
+ elem->ctx.queue_id = j;
+ elem->nid = id;
+ elem->next = rx_node_data->head;
+ rx_node_data->head = elem;
+
+ node_dbg("ethdev", "Rx node %s-%s: is at %u",
+ rx_node->name, name, id);
+ }
+
+ /* Create a per port tx node from base node */
+ snprintf(name, sizeof(name), "%u", port_id);
+ /* Clone a new node with same edges as parent */
+ id = rte_node_clone(tx_node->id, name);
+ tx_node_data->nodes[port_id] = id;
+
+ node_dbg("ethdev", "Tx node %s-%s: is at %u", tx_node->name,
+ name, id);
+ }
+
+ ctrl.nb_graphs = nb_graphs;
+ return 0;
+}
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(C) 2020 Marvell International Ltd.
-sources = files('null.c', 'log.c', 'ethdev_rx.c', 'ethdev_tx.c')
+sources = files('null.c', 'log.c', 'ethdev_rx.c', 'ethdev_tx.c', 'ethdev_ctrl.c')
+headers = files('rte_node_eth_api.h')
# Strict-aliasing rules are violated by uint8_t[] to context size casts.
cflags += '-fno-strict-aliasing'
-deps += ['graph', 'mbuf', 'ethdev']
+deps += ['graph', 'mbuf', 'lpm', 'ethdev', 'mempool', 'cryptodev']
#include <rte_common.h>
#include <rte_log.h>
+#include <rte_mbuf.h>
extern int rte_node_logtype;
#define NODE_LOG(level, node_name, ...) \
#define node_info(node_name, ...) NODE_LOG(INFO, node_name, __VA_ARGS__)
#define node_dbg(node_name, ...) NODE_LOG(DEBUG, node_name, __VA_ARGS__)
+/**
+ *
+ * Node mbuf private data to store next hop, ttl and checksum.
+ */
+struct node_mbuf_priv1 {
+ union {
+ /* IP4 rewrite */
+ struct {
+ uint16_t nh;
+ uint16_t ttl;
+ uint32_t cksum;
+ };
+
+ uint64_t u;
+ };
+};
+
+/**
+ * Node mbuf private area 2.
+ */
+struct node_mbuf_priv2 {
+ uint64_t priv_data;
+} __rte_cache_aligned;
+
+#define NODE_MBUF_PRIV2_SIZE sizeof(struct node_mbuf_priv2)
+
+/**
+ * Get mbuf_priv1 pointer from rte_mbuf.
+ *
+ * @param
+ * Pointer to the rte_mbuf.
+ *
+ * @return
+ * Pointer to the mbuf_priv1.
+ */
+static __rte_always_inline struct node_mbuf_priv1 *
+node_mbuf_priv1(struct rte_mbuf *m)
+{
+ return (struct node_mbuf_priv1 *)&m->udata64;
+}
+
+/**
+ * Get mbuf_priv2 pointer from rte_mbuf.
+ *
+ * @param
+ * Pointer to the rte_mbuf.
+ *
+ * @return
+ * Pointer to the mbuf_priv2.
+ */
+static __rte_always_inline struct node_mbuf_priv2 *
+node_mbuf_priv2(struct rte_mbuf *m)
+{
+ return (struct node_mbuf_priv2 *)rte_mbuf_to_priv(m);
+}
+
#endif /* __NODE_PRIVATE_H__ */
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __INCLUDE_RTE_NODE_ETH_API_H__
+#define __INCLUDE_RTE_NODE_ETH_API_H__
+
+/**
+ * @file rte_node_eth_api.h
+ *
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * This API allows to setup ethdev_rx and ethdev_tx nodes
+ * and its queue associations.
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <rte_common.h>
+#include <rte_mempool.h>
+
+/**
+ * Port config for ethdev_rx and ethdev_tx node.
+ */
+struct rte_node_ethdev_config {
+ uint16_t port_id;
+ /**< Port identifier */
+ uint16_t num_rx_queues;
+ /**< Number of Rx queues. */
+ uint16_t num_tx_queues;
+ /**< Number of Tx queues. */
+ struct rte_mempool **mp;
+ /**< Array of mempools associated to Rx queue. */
+ uint16_t mp_count;
+ /**< Size of mp array. */
+};
+
+/**
+ * Initializes ethdev nodes.
+ *
+ * @param cfg
+ * Array of ethdev config that identifies which port's
+ * ethdev_rx and ethdev_tx nodes need to be created
+ * and queue association.
+ * @param cnt
+ * Size of cfg array.
+ * @param nb_graphs
+ * Number of graphs that will be used.
+ *
+ * @return
+ * 0 on successful initialization, negative otherwise.
+ */
+__rte_experimental
+int rte_node_eth_config(struct rte_node_ethdev_config *cfg,
+ uint16_t cnt, uint16_t nb_graphs);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_RTE_NODE_ETH_API_H__ */
EXPERIMENTAL {
global:
+ rte_node_eth_config;
rte_node_logtype;
local: *;
};
git.droids-corp.org / dpdk.git / commitdiff