New upstream version 18.08upstream/18.08

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

1 files changed, 82 insertions, 0 deletions

diff --git a/examples/ip_pipeline/mempool.c b/examples/ip_pipeline/mempool.c
new file mode 100644
index 00000000..f5d2a7d1
--- /dev/null
+++ b/examples/ip_pipeline/mempool.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_mbuf.h>
+#include <rte_string_fns.h>
+
+#include "mempool.h"
+
+#define BUFFER_SIZE_MIN        (sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
+
+static struct mempool_list mempool_list;
+
+int
+mempool_init(void)
+{
+	TAILQ_INIT(&mempool_list);
+
+	return 0;
+}
+
+struct mempool *
+mempool_find(const char *name)
+{
+	struct mempool *mempool;
+
+	if (name == NULL)
+		return NULL;
+
+	TAILQ_FOREACH(mempool, &mempool_list, node)
+		if (strcmp(mempool->name, name) == 0)
+			return mempool;
+
+	return NULL;
+}
+
+struct mempool *
+mempool_create(const char *name, struct mempool_params *params)
+{
+	struct mempool *mempool;
+	struct rte_mempool *m;
+
+	/* Check input params */
+	if ((name == NULL) ||
+		mempool_find(name) ||
+		(params == NULL) ||
+		(params->buffer_size < BUFFER_SIZE_MIN) ||
+		(params->pool_size == 0))
+		return NULL;
+
+	/* Resource create */
+	m = rte_pktmbuf_pool_create(
+		name,
+		params->pool_size,
+		params->cache_size,
+		0,
+		params->buffer_size - sizeof(struct rte_mbuf),
+		params->cpu_id);
+
+	if (m == NULL)
+		return NULL;
+
+	/* Node allocation */
+	mempool = calloc(1, sizeof(struct mempool));
+	if (mempool == NULL) {
+		rte_mempool_free(m);
+		return NULL;
+	}
+
+	/* Node fill in */
+	strlcpy(mempool->name, name, sizeof(mempool->name));
+	mempool->m = m;
+	mempool->buffer_size = params->buffer_size;
+
+	/* Node add to list */
+	TAILQ_INSERT_TAIL(&mempool_list, mempool, node);
+
+	return mempool;
+}