f00708c2aa
Add ip4_rewrite and ip4_lookup ctrl API. ip4_lookup ctrl API is used to add route entries for LPM lookup with result data containing next hop id and next proto. ip4_rewrite ctrl API is used to add rewrite data for every next hop. 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>
116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(C) 2020 Marvell International Ltd.
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*/
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#include <rte_debug.h>
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#include <rte_ethdev.h>
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#include <rte_ether.h>
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#include <rte_graph.h>
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#include "rte_node_eth_api.h"
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#include "ethdev_rx_priv.h"
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#include "ethdev_tx_priv.h"
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#include "ip4_rewrite_priv.h"
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#include "node_private.h"
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static struct ethdev_ctrl {
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uint16_t nb_graphs;
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} ctrl;
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int
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rte_node_eth_config(struct rte_node_ethdev_config *conf, uint16_t nb_confs,
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uint16_t nb_graphs)
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{
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struct rte_node_register *ip4_rewrite_node;
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struct ethdev_tx_node_main *tx_node_data;
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uint16_t tx_q_used, rx_q_used, port_id;
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struct rte_node_register *tx_node;
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char name[RTE_NODE_NAMESIZE];
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const char *next_nodes = name;
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struct rte_mempool *mp;
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int i, j, rc;
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uint32_t id;
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ip4_rewrite_node = ip4_rewrite_node_get();
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tx_node_data = ethdev_tx_node_data_get();
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tx_node = ethdev_tx_node_get();
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for (i = 0; i < nb_confs; i++) {
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port_id = conf[i].port_id;
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if (!rte_eth_dev_is_valid_port(port_id))
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return -EINVAL;
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/* Check for mbuf minimum private size requirement */
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for (j = 0; j < conf[i].mp_count; j++) {
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mp = conf[i].mp[j];
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if (!mp)
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continue;
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/* Check for minimum private space */
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if (rte_pktmbuf_priv_size(mp) < NODE_MBUF_PRIV2_SIZE) {
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node_err("ethdev",
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"Minimum mbuf priv size requirement not met by mp %s",
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mp->name);
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return -EINVAL;
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}
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}
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rx_q_used = conf[i].num_rx_queues;
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tx_q_used = conf[i].num_tx_queues;
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/* Check if we have a txq for each worker */
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if (tx_q_used < nb_graphs)
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return -EINVAL;
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/* Create node for each rx port queue pair */
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for (j = 0; j < rx_q_used; j++) {
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struct ethdev_rx_node_main *rx_node_data;
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struct rte_node_register *rx_node;
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ethdev_rx_node_elem_t *elem;
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rx_node_data = ethdev_rx_get_node_data_get();
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rx_node = ethdev_rx_node_get();
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snprintf(name, sizeof(name), "%u-%u", port_id, j);
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/* Clone a new rx node with same edges as parent */
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id = rte_node_clone(rx_node->id, name);
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if (id == RTE_NODE_ID_INVALID)
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return -EIO;
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/* Add it to list of ethdev rx nodes for lookup */
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elem = malloc(sizeof(ethdev_rx_node_elem_t));
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memset(elem, 0, sizeof(ethdev_rx_node_elem_t));
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elem->ctx.port_id = port_id;
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elem->ctx.queue_id = j;
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elem->nid = id;
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elem->next = rx_node_data->head;
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rx_node_data->head = elem;
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node_dbg("ethdev", "Rx node %s-%s: is at %u",
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rx_node->name, name, id);
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}
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/* Create a per port tx node from base node */
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snprintf(name, sizeof(name), "%u", port_id);
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/* Clone a new node with same edges as parent */
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id = rte_node_clone(tx_node->id, name);
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tx_node_data->nodes[port_id] = id;
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node_dbg("ethdev", "Tx node %s-%s: is at %u", tx_node->name,
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name, id);
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/* Prepare the actual name of the cloned node */
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snprintf(name, sizeof(name), "ethdev_tx-%u", port_id);
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/* Add this tx port node as next to ip4_rewrite_node */
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rte_node_edge_update(ip4_rewrite_node->id, RTE_EDGE_ID_INVALID,
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&next_nodes, 1);
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/* Assuming edge id is the last one alloc'ed */
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rc = ip4_rewrite_set_next(
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port_id, rte_node_edge_count(ip4_rewrite_node->id) - 1);
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if (rc < 0)
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return rc;
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}
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ctrl.nb_graphs = nb_graphs;
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return 0;
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}
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