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Diffstat (limited to 'src/spdk/dpdk/lib/librte_node/ethdev_tx.c')
-rw-r--r--src/spdk/dpdk/lib/librte_node/ethdev_tx.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_node/ethdev_tx.c b/src/spdk/dpdk/lib/librte_node/ethdev_tx.c
new file mode 100644
index 000000000..075149089
--- /dev/null
+++ b/src/spdk/dpdk/lib/librte_node/ethdev_tx.c
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_graph.h>
+#include <rte_graph_worker.h>
+#include <rte_mbuf.h>
+
+#include "ethdev_tx_priv.h"
+
+static struct ethdev_tx_node_main ethdev_tx_main;
+
+static uint16_t
+ethdev_tx_node_process(struct rte_graph *graph, struct rte_node *node,
+ void **objs, uint16_t nb_objs)
+{
+ ethdev_tx_node_ctx_t *ctx = (ethdev_tx_node_ctx_t *)node->ctx;
+ uint16_t port, queue;
+ uint16_t count;
+
+ /* Get Tx port id */
+ port = ctx->port;
+ queue = ctx->queue;
+
+ count = rte_eth_tx_burst(port, queue, (struct rte_mbuf **)objs,
+ nb_objs);
+
+ /* Redirect unsent pkts to drop node */
+ if (count != nb_objs) {
+ rte_node_enqueue(graph, node, ETHDEV_TX_NEXT_PKT_DROP,
+ &objs[count], nb_objs - count);
+ }
+
+ return count;
+}
+
+static int
+ethdev_tx_node_init(const struct rte_graph *graph, struct rte_node *node)
+{
+ ethdev_tx_node_ctx_t *ctx = (ethdev_tx_node_ctx_t *)node->ctx;
+ uint64_t port_id = RTE_MAX_ETHPORTS;
+ int i;
+
+ /* Find our port id */
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+ if (ethdev_tx_main.nodes[i] == node->id) {
+ port_id = i;
+ break;
+ }
+ }
+ RTE_VERIFY(port_id < RTE_MAX_ETHPORTS);
+
+ /* Update port and queue */
+ ctx->port = port_id;
+ ctx->queue = graph->id;
+
+ return 0;
+}
+
+struct ethdev_tx_node_main *
+ethdev_tx_node_data_get(void)
+{
+ return &ethdev_tx_main;
+}
+
+static struct rte_node_register ethdev_tx_node_base = {
+ .process = ethdev_tx_node_process,
+ .name = "ethdev_tx",
+
+ .init = ethdev_tx_node_init,
+
+ .nb_edges = ETHDEV_TX_NEXT_MAX,
+ .next_nodes = {
+ [ETHDEV_TX_NEXT_PKT_DROP] = "pkt_drop",
+ },
+};
+
+struct rte_node_register *
+ethdev_tx_node_get(void)
+{
+ return &ethdev_tx_node_base;
+}
+
+RTE_NODE_REGISTER(ethdev_tx_node_base);