New upstream version 18.08upstream/18.08

Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/examples/ip_pipeline/swq.c b/examples/ip_pipeline/swq.c
new file mode 100644
index 00000000..7e54a1db
--- /dev/null
+++ b/examples/ip_pipeline/swq.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_string_fns.h>
+
+#include "swq.h"
+
+static struct swq_list swq_list;
+
+int
+swq_init(void)
+{
+	TAILQ_INIT(&swq_list);
+
+	return 0;
+}
+
+struct swq *
+swq_find(const char *name)
+{
+	struct swq *swq;
+
+	if (name == NULL)
+		return NULL;
+
+	TAILQ_FOREACH(swq, &swq_list, node)
+		if (strcmp(swq->name, name) == 0)
+			return swq;
+
+	return NULL;
+}
+
+struct swq *
+swq_create(const char *name, struct swq_params *params)
+{
+	struct swq *swq;
+	struct rte_ring *r;
+	unsigned int flags = RING_F_SP_ENQ | RING_F_SC_DEQ;
+
+	/* Check input params */
+	if ((name == NULL) ||
+		swq_find(name) ||
+		(params == NULL) ||
+		(params->size == 0))
+		return NULL;
+
+	/* Resource create */
+	r = rte_ring_create(
+		name,
+		params->size,
+		params->cpu_id,
+		flags);
+
+	if (r == NULL)
+		return NULL;
+
+	/* Node allocation */
+	swq = calloc(1, sizeof(struct swq));
+	if (swq == NULL) {
+		rte_ring_free(r);
+		return NULL;
+	}
+
+	/* Node fill in */
+	strlcpy(swq->name, name, sizeof(swq->name));
+	swq->r = r;
+
+	/* Node add to list */
+	TAILQ_INSERT_TAIL(&swq_list, swq, node);
+
+	return swq;
+}