New upstream version 18.08

[deb_dpdk.git] / drivers / net / softnic / rte_eth_softnic_link.c

diff --git a/drivers/net/softnic/rte_eth_softnic_link.c b/drivers/net/softnic/rte_eth_softnic_link.c
new file mode 100644 (file)
index 0000000..d669913
--- /dev/null
+++ b/drivers/net/softnic/rte_eth_softnic_link.c
@@ -0,0 +1,98 @@
+/* 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 "rte_eth_softnic_internals.h"
+
+int
+softnic_link_init(struct pmd_internals *p)
+{
+       TAILQ_INIT(&p->link_list);
+
+       return 0;
+}
+
+void
+softnic_link_free(struct pmd_internals *p)
+{
+       for ( ; ; ) {
+               struct softnic_link *link;
+
+               link = TAILQ_FIRST(&p->link_list);
+               if (link == NULL)
+                       break;
+
+               TAILQ_REMOVE(&p->link_list, link, node);
+               free(link);
+       }
+}
+
+struct softnic_link *
+softnic_link_find(struct pmd_internals *p,
+       const char *name)
+{
+       struct softnic_link *link;
+
+       if (name == NULL)
+               return NULL;
+
+       TAILQ_FOREACH(link, &p->link_list, node)
+               if (strcmp(link->name, name) == 0)
+                       return link;
+
+       return NULL;
+}
+
+struct softnic_link *
+softnic_link_create(struct pmd_internals *p,
+       const char *name,
+       struct softnic_link_params *params)
+{
+       struct rte_eth_dev_info port_info;
+       struct softnic_link *link;
+       uint16_t port_id;
+
+       /* Check input params */
+       if (name == NULL ||
+               softnic_link_find(p, name) ||
+               params == NULL)
+               return NULL;
+
+       port_id = params->port_id;
+       if (params->dev_name) {
+               int status;
+
+               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);
+
+       /* Node allocation */
+       link = calloc(1, sizeof(struct softnic_link));
+       if (link == NULL)
+               return NULL;
+
+       /* Node fill in */
+       strlcpy(link->name, name, sizeof(link->name));
+       link->port_id = port_id;
+       link->n_rxq = port_info.nb_rx_queues;
+       link->n_txq = port_info.nb_tx_queues;
+
+       /* Node add to list */
+       TAILQ_INSERT_TAIL(&p->link_list, link, node);
+
+       return link;
+}