1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2020 Marvell International Ltd.
5 #include <rte_ethdev.h>
8 #include "rte_node_eth_api.h"
10 #include "ethdev_rx_priv.h"
11 #include "ethdev_tx_priv.h"
12 #include "ip4_rewrite_priv.h"
13 #include "node_private.h"
15 static struct ethdev_ctrl {
20 rte_node_eth_config(struct rte_node_ethdev_config *conf, uint16_t nb_confs,
23 struct rte_node_register *ip4_rewrite_node;
24 struct ethdev_tx_node_main *tx_node_data;
25 uint16_t tx_q_used, rx_q_used, port_id;
26 struct rte_node_register *tx_node;
27 char name[RTE_NODE_NAMESIZE];
28 const char *next_nodes = name;
29 struct rte_mempool *mp;
33 ip4_rewrite_node = ip4_rewrite_node_get();
34 tx_node_data = ethdev_tx_node_data_get();
35 tx_node = ethdev_tx_node_get();
36 for (i = 0; i < nb_confs; i++) {
37 port_id = conf[i].port_id;
39 if (!rte_eth_dev_is_valid_port(port_id))
42 /* Check for mbuf minimum private size requirement */
43 for (j = 0; j < conf[i].mp_count; j++) {
47 /* Check for minimum private space */
48 if (rte_pktmbuf_priv_size(mp) < NODE_MBUF_PRIV2_SIZE) {
50 "Minimum mbuf priv size requirement not met by mp %s",
56 rx_q_used = conf[i].num_rx_queues;
57 tx_q_used = conf[i].num_tx_queues;
58 /* Check if we have a txq for each worker */
59 if (tx_q_used < nb_graphs)
62 /* Create node for each rx port queue pair */
63 for (j = 0; j < rx_q_used; j++) {
64 struct ethdev_rx_node_main *rx_node_data;
65 struct rte_node_register *rx_node;
66 ethdev_rx_node_elem_t *elem;
68 rx_node_data = ethdev_rx_get_node_data_get();
69 rx_node = ethdev_rx_node_get();
70 snprintf(name, sizeof(name), "%u-%u", port_id, j);
71 /* Clone a new rx node with same edges as parent */
72 id = rte_node_clone(rx_node->id, name);
73 if (id == RTE_NODE_ID_INVALID)
76 /* Add it to list of ethdev rx nodes for lookup */
77 elem = malloc(sizeof(ethdev_rx_node_elem_t));
78 memset(elem, 0, sizeof(ethdev_rx_node_elem_t));
79 elem->ctx.port_id = port_id;
80 elem->ctx.queue_id = j;
82 elem->next = rx_node_data->head;
83 rx_node_data->head = elem;
85 node_dbg("ethdev", "Rx node %s-%s: is at %u",
86 rx_node->name, name, id);
89 /* Create a per port tx node from base node */
90 snprintf(name, sizeof(name), "%u", port_id);
91 /* Clone a new node with same edges as parent */
92 id = rte_node_clone(tx_node->id, name);
93 tx_node_data->nodes[port_id] = id;
95 node_dbg("ethdev", "Tx node %s-%s: is at %u", tx_node->name,
98 /* Prepare the actual name of the cloned node */
99 snprintf(name, sizeof(name), "ethdev_tx-%u", port_id);
101 /* Add this tx port node as next to ip4_rewrite_node */
102 rte_node_edge_update(ip4_rewrite_node->id, RTE_EDGE_ID_INVALID,
104 /* Assuming edge id is the last one alloc'ed */
105 rc = ip4_rewrite_set_next(
106 port_id, rte_node_edge_count(ip4_rewrite_node->id) - 1);
111 ctrl.nb_graphs = nb_graphs;