1 files changed, 128 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test/test_tailq.c b/src/spdk/dpdk/app/test/test_tailq.c
new file mode 100644
index 000000000..9520219b0
--- /dev/null
+++ b/src/spdk/dpdk/app/test/test_tailq.c
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <rte_eal.h>
+#include <rte_string_fns.h>
+#include <rte_tailq.h>
+
+#include "test.h"
+
+#define do_return(...) do { \
+	printf("Error at %s, line %d: ", __func__, __LINE__); \
+	printf(__VA_ARGS__); \
+	return 1; \
+} while (0)
+
+static struct rte_tailq_elem rte_dummy_tailq = {
+	.name = "dummy",
+};
+EAL_REGISTER_TAILQ(rte_dummy_tailq)
+
+static struct rte_tailq_elem rte_dummy_dyn_tailq = {
+	.name = "dummy_dyn",
+};
+static struct rte_tailq_elem rte_dummy_dyn2_tailq = {
+	.name = "dummy_dyn",
+};
+
+static struct rte_tailq_entry d_elem;
+static struct rte_tailq_entry d_dyn_elem;
+
+static int
+test_tailq_early(void)
+{
+	struct rte_tailq_entry_head *d_head;
+
+	d_head = RTE_TAILQ_CAST(rte_dummy_tailq.head, rte_tailq_entry_head);
+	if (d_head == NULL)
+		do_return("Error %s has not been initialised\n",
+			  rte_dummy_tailq.name);
+
+	/* check we can add an item to it */
+	TAILQ_INSERT_TAIL(d_head, &d_elem, next);
+
+	return 0;
+}
+
+static int
+test_tailq_create(void)
+{
+	struct rte_tailq_entry_head *d_head;
+
+	/* create a tailq and check its non-null (since we are post-eal init) */
+	if ((rte_eal_tailq_register(&rte_dummy_dyn_tailq) < 0) ||
+	    (rte_dummy_dyn_tailq.head == NULL))
+		do_return("Error allocating %s\n", rte_dummy_dyn_tailq.name);
+
+	d_head = RTE_TAILQ_CAST(rte_dummy_dyn_tailq.head, rte_tailq_entry_head);
+
+	/* check we can add an item to it */
+	TAILQ_INSERT_TAIL(d_head, &d_dyn_elem, next);
+
+	if (strcmp(rte_dummy_dyn2_tailq.name, rte_dummy_dyn_tailq.name))
+		do_return("Error, something is wrong in the tailq test\n");
+
+	/* try allocating again, and check for failure */
+	if (!rte_eal_tailq_register(&rte_dummy_dyn2_tailq))
+		do_return("Error, registering the same tailq %s did not fail\n",
+			  rte_dummy_dyn2_tailq.name);
+
+	return 0;
+}
+
+static int
+test_tailq_lookup(void)
+{
+	/* run successful  test - check result is found */
+	struct rte_tailq_entry_head *d_head;
+	struct rte_tailq_entry *d_ptr;
+
+	d_head = RTE_TAILQ_LOOKUP(rte_dummy_tailq.name, rte_tailq_entry_head);
+	/* rte_dummy_tailq has been registered by EAL_REGISTER_TAILQ */
+	if (d_head == NULL ||
+	    d_head != RTE_TAILQ_CAST(rte_dummy_tailq.head, rte_tailq_entry_head))
+		do_return("Error with tailq lookup\n");
+
+	TAILQ_FOREACH(d_ptr, d_head, next)
+		if (d_ptr != &d_elem)
+			do_return("Error with tailq returned from lookup - "
+					"expected element not found\n");
+
+	d_head = RTE_TAILQ_LOOKUP(rte_dummy_dyn_tailq.name, rte_tailq_entry_head);
+	/* rte_dummy_dyn_tailq has been registered by test_tailq_create */
+	if (d_head == NULL ||
+	    d_head != RTE_TAILQ_CAST(rte_dummy_dyn_tailq.head, rte_tailq_entry_head))
+		do_return("Error with tailq lookup\n");
+
+	TAILQ_FOREACH(d_ptr, d_head, next)
+		if (d_ptr != &d_dyn_elem)
+			do_return("Error with tailq returned from lookup - "
+					"expected element not found\n");
+
+	/* now try a bad/error lookup */
+	d_head = RTE_TAILQ_LOOKUP("coucou", rte_tailq_entry_head);
+	if (d_head != NULL)
+		do_return("Error, lookup does not return NULL for bad tailq name\n");
+
+	return 0;
+}
+
+static int
+test_tailq(void)
+{
+	int ret = 0;
+	ret |= test_tailq_early();
+	ret |= test_tailq_create();
+	ret |= test_tailq_lookup();
+	return ret;
+}
+
+REGISTER_TEST_COMMAND(tailq_autotest, test_tailq);