DPDK  23.03.0
examples/pipeline/obj.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2020 Intel Corporation
*/
#include <stdlib.h>
#include <string.h>
#include <rte_mbuf.h>
#include <rte_ethdev.h>
#include <rte_cryptodev.h>
#include "obj.h"
/*
* ethdev
*/
static struct rte_eth_conf port_conf_default = {
.rxmode = {
.mq_mode = RTE_ETH_MQ_RX_NONE,
.mtu = 9000 - (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN), /* Jumbo frame MTU */
},
.rss_conf = {
.rss_key = NULL,
.rss_key_len = 40,
.rss_hf = 0,
},
},
.txmode = {
.mq_mode = RTE_ETH_MQ_TX_NONE,
},
.lpbk_mode = 0,
};
#define RETA_CONF_SIZE (RTE_ETH_RSS_RETA_SIZE_512 / RTE_ETH_RETA_GROUP_SIZE)
static int
rss_setup(uint16_t port_id,
uint16_t reta_size,
struct ethdev_params_rss *rss)
{
struct rte_eth_rss_reta_entry64 reta_conf[RETA_CONF_SIZE];
uint32_t i;
int status;
/* RETA setting */
memset(reta_conf, 0, sizeof(reta_conf));
for (i = 0; i < reta_size; i++)
reta_conf[i / RTE_ETH_RETA_GROUP_SIZE].mask = UINT64_MAX;
for (i = 0; i < reta_size; i++) {
uint32_t reta_id = i / RTE_ETH_RETA_GROUP_SIZE;
uint32_t reta_pos = i % RTE_ETH_RETA_GROUP_SIZE;
uint32_t rss_qs_pos = i % rss->n_queues;
reta_conf[reta_id].reta[reta_pos] =
(uint16_t) rss->queue_id[rss_qs_pos];
}
/* RETA update */
status = rte_eth_dev_rss_reta_update(port_id,
reta_conf,
reta_size);
return status;
}
int
ethdev_config(const char *name, struct ethdev_params *params)
{
struct rte_eth_dev_info port_info;
struct rte_eth_conf port_conf;
struct ethdev_params_rss *rss;
struct rte_mempool *mempool;
uint32_t i;
int numa_node, status;
uint16_t port_id = 0;
/* Check input params */
if (!name ||
!name[0] ||
!params ||
!params->rx.n_queues ||
!params->rx.queue_size ||
!params->tx.n_queues ||
!params->tx.queue_size)
return -EINVAL;
status = rte_eth_dev_get_port_by_name(name, &port_id);
if (status)
return -EINVAL;
status = rte_eth_dev_info_get(port_id, &port_info);
if (status)
return -EINVAL;
mempool = rte_mempool_lookup(params->rx.mempool_name);
if (!mempool)
return -EINVAL;
rss = params->rx.rss;
if (rss) {
if (!port_info.reta_size || port_info.reta_size > RTE_ETH_RSS_RETA_SIZE_512)
return -EINVAL;
if (!rss->n_queues || rss->n_queues >= ETHDEV_RXQ_RSS_MAX)
return -EINVAL;
for (i = 0; i < rss->n_queues; i++)
if (rss->queue_id[i] >= port_info.max_rx_queues)
return -EINVAL;
}
/* Port */
memcpy(&port_conf, &port_conf_default, sizeof(port_conf));
if (rss) {
uint64_t rss_hf = RTE_ETH_RSS_IP | RTE_ETH_RSS_TCP | RTE_ETH_RSS_UDP;
port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf & port_info.flow_type_rss_offloads;
}
numa_node = rte_eth_dev_socket_id(port_id);
if (numa_node == SOCKET_ID_ANY)
numa_node = 0;
port_id,
params->rx.n_queues,
params->tx.n_queues,
&port_conf);
if (status < 0)
return -EINVAL;
if (params->promiscuous) {
status = rte_eth_promiscuous_enable(port_id);
if (status)
return -EINVAL;
}
/* Port RX */
for (i = 0; i < params->rx.n_queues; i++) {
port_id,
i,
params->rx.queue_size,
numa_node,
NULL,
mempool);
if (status < 0)
return -EINVAL;
}
/* Port TX */
for (i = 0; i < params->tx.n_queues; i++) {
port_id,
i,
params->tx.queue_size,
numa_node,
NULL);
if (status < 0)
return -EINVAL;
}
/* Port start */
status = rte_eth_dev_start(port_id);
if (status < 0)
return -EINVAL;
if (rss) {
status = rss_setup(port_id, port_info.reta_size, rss);
if (status) {
rte_eth_dev_stop(port_id);
return -EINVAL;
}
}
/* Port link up */
status = rte_eth_dev_set_link_up(port_id);
if ((status < 0) && (status != -ENOTSUP)) {
rte_eth_dev_stop(port_id);
return -EINVAL;
}
return 0;
}
/*
* cryptodev
*/
int
cryptodev_config(const char *name, struct cryptodev_params *params)
{
struct rte_cryptodev_info dev_info;
struct rte_cryptodev_config dev_conf;
struct rte_cryptodev_qp_conf queue_conf;
uint8_t dev_id;
uint32_t socket_id, i;
int status;
/* Check input parameters. */
if (!name ||
!params->n_queue_pairs ||
!params->queue_size)
return -EINVAL;
/* Find the crypto device. */
status = rte_cryptodev_get_dev_id(name);
if (status < 0)
return -EINVAL;
dev_id = (uint8_t)status;
rte_cryptodev_info_get(dev_id, &dev_info);
if (params->n_queue_pairs > dev_info.max_nb_queue_pairs)
return -EINVAL;
socket_id = rte_cryptodev_socket_id(dev_id);
/* Configure the crypto device. */
memset(&dev_conf, 0, sizeof(dev_conf));
dev_conf.socket_id = socket_id;
dev_conf.nb_queue_pairs = params->n_queue_pairs;
dev_conf.ff_disable = 0;
status = rte_cryptodev_configure(dev_id, &dev_conf);
if (status)
return status;
/* Configure the crypto device queue pairs. */
memset(&queue_conf, 0, sizeof(queue_conf));
queue_conf.nb_descriptors = params->queue_size;
queue_conf.mp_session = NULL;
for (i = 0; i < params->n_queue_pairs; i++) {
status = rte_cryptodev_queue_pair_setup(dev_id, i, &queue_conf, socket_id);
if (status)
return status;
}
/* Start the crypto device. */
status = rte_cryptodev_start(dev_id);
if (status)
return status;
return 0;
}