--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_ethdev.h>
+#include <rte_string_fns.h>
+
+#include "link.h"
+#include "mempool.h"
+
+static struct link_list link_list;
+
+int
+link_init(void)
+{
+ TAILQ_INIT(&link_list);
+
+ return 0;
+}
+
+struct link *
+link_find(const char *name)
+{
+ struct link *link;
+
+ if (name == NULL)
+ return NULL;
+
+ TAILQ_FOREACH(link, &link_list, node)
+ if (strcmp(link->name, name) == 0)
+ return link;
+
+ return NULL;
+}
+
+static struct rte_eth_conf port_conf_default = {
+ .link_speeds = 0,
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_NONE,
+
+ .header_split = 0, /* Header split */
+ .hw_ip_checksum = 0, /* IP checksum offload */
+ .hw_vlan_filter = 0, /* VLAN filtering */
+ .hw_vlan_strip = 0, /* VLAN strip */
+ .hw_vlan_extend = 0, /* Extended VLAN */
+ .jumbo_frame = 0, /* Jumbo frame support */
+ .hw_strip_crc = 1, /* CRC strip by HW */
+ .enable_scatter = 0, /* Scattered packets RX handler */
+
+ .max_rx_pkt_len = 9000, /* Jumbo frame max packet len */
+ .split_hdr_size = 0, /* Header split buffer size */
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_key = NULL,
+ .rss_key_len = 40,
+ .rss_hf = 0,
+ },
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ },
+ .lpbk_mode = 0,
+};
+
+#define RETA_CONF_SIZE (ETH_RSS_RETA_SIZE_512 / RTE_RETA_GROUP_SIZE)
+
+static int
+rss_setup(uint16_t port_id,
+ uint16_t reta_size,
+ struct link_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_RETA_GROUP_SIZE].mask = UINT64_MAX;
+
+ for (i = 0; i < reta_size; i++) {
+ uint32_t reta_id = i / RTE_RETA_GROUP_SIZE;
+ uint32_t reta_pos = i % RTE_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;
+}
+
+struct link *
+link_create(const char *name, struct link_params *params)
+{
+ struct rte_eth_dev_info port_info;
+ struct rte_eth_conf port_conf;
+ struct link *link;
+ struct link_params_rss *rss;
+ struct mempool *mempool;
+ uint32_t cpu_id, i;
+ int status;
+ uint16_t port_id;
+
+ /* Check input params */
+ if ((name == NULL) ||
+ link_find(name) ||
+ (params == NULL) ||
+ (params->rx.n_queues == 0) ||
+ (params->rx.queue_size == 0) ||
+ (params->tx.n_queues == 0) ||
+ (params->tx.queue_size == 0))
+ return NULL;
+
+ port_id = params->port_id;
+ if (params->dev_name) {
+ status = rte_eth_dev_get_port_by_name(params->dev_name,
+ &port_id);
+
+ if (status)
+ return NULL;
+ } else
+ if (!rte_eth_dev_is_valid_port(port_id))
+ return NULL;
+
+ rte_eth_dev_info_get(port_id, &port_info);
+
+ mempool = mempool_find(params->rx.mempool_name);
+ if (mempool == NULL)
+ return NULL;
+
+ rss = params->rx.rss;
+ if (rss) {
+ if ((port_info.reta_size == 0) ||
+ (port_info.reta_size > ETH_RSS_RETA_SIZE_512))
+ return NULL;
+
+ if ((rss->n_queues == 0) ||
+ (rss->n_queues >= LINK_RXQ_RSS_MAX))
+ return NULL;
+
+ for (i = 0; i < rss->n_queues; i++)
+ if (rss->queue_id[i] >= port_info.max_rx_queues)
+ return NULL;
+ }
+
+ /**
+ * Resource create
+ */
+ /* Port */
+ memcpy(&port_conf, &port_conf_default, sizeof(port_conf));
+ if (rss) {
+ port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
+ port_conf.rx_adv_conf.rss_conf.rss_hf =
+ ETH_RSS_IPV4 | ETH_RSS_IPV6;
+ }
+
+ cpu_id = (uint32_t) rte_eth_dev_socket_id(port_id);
+ if (cpu_id == (uint32_t) SOCKET_ID_ANY)
+ cpu_id = 0;
+
+ status = rte_eth_dev_configure(
+ port_id,
+ params->rx.n_queues,
+ params->tx.n_queues,
+ &port_conf);
+
+ if (status < 0)
+ return NULL;
+
+ if (params->promiscuous)
+ rte_eth_promiscuous_enable(port_id);
+
+ /* Port RX */
+ for (i = 0; i < params->rx.n_queues; i++) {
+ status = rte_eth_rx_queue_setup(
+ port_id,
+ i,
+ params->rx.queue_size,
+ cpu_id,
+ NULL,
+ mempool->m);
+
+ if (status < 0)
+ return NULL;
+ }
+
+ /* Port TX */
+ for (i = 0; i < params->tx.n_queues; i++) {
+ status = rte_eth_tx_queue_setup(
+ port_id,
+ i,
+ params->tx.queue_size,
+ cpu_id,
+ NULL);
+
+ if (status < 0)
+ return NULL;
+ }
+
+ /* Port start */
+ status = rte_eth_dev_start(port_id);
+ if (status < 0)
+ return NULL;
+
+ if (rss) {
+ status = rss_setup(port_id, port_info.reta_size, rss);
+
+ if (status) {
+ rte_eth_dev_stop(port_id);
+ return NULL;
+ }
+ }
+
+ /* Port link up */
+ status = rte_eth_dev_set_link_up(port_id);
+ if ((status < 0) && (status != -ENOTSUP)) {
+ rte_eth_dev_stop(port_id);
+ return NULL;
+ }
+
+ /* Node allocation */
+ link = calloc(1, sizeof(struct link));
+ if (link == NULL) {
+ rte_eth_dev_stop(port_id);
+ return NULL;
+ }
+
+ /* Node fill in */
+ strlcpy(link->name, name, sizeof(link->name));
+ link->port_id = port_id;
+ link->n_rxq = params->rx.n_queues;
+ link->n_txq = params->tx.n_queues;
+
+ /* Node add to list */
+ TAILQ_INSERT_TAIL(&link_list, link, node);
+
+ return link;
+}
+
+int
+link_is_up(const char *name)
+{
+ struct rte_eth_link link_params;
+ struct link *link;
+
+ /* Check input params */
+ if (name == NULL)
+ return 0;
+
+ link = link_find(name);
+ if (link == NULL)
+ return 0;
+
+ /* Resource */
+ rte_eth_link_get(link->port_id, &link_params);
+
+ return (link_params.link_status == ETH_LINK_DOWN) ? 0 : 1;
+}
Code Review / deb_dpdk.git / blobdiff