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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <cmdline_parse.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)
+
+#define DEFAULT_TAILQ "dummy_q0"
+
+static struct rte_dummy d_elem;
+
+static int
+test_tailq_create(void)
+{
+ struct rte_dummy_head *d_head;
+ char name[RTE_TAILQ_NAMESIZE];
+ unsigned i;
+
+ /* create a first tailq and check its non-null */
+ d_head = RTE_TAILQ_RESERVE(DEFAULT_TAILQ, rte_dummy_head);
+ if (d_head == NULL)
+ do_return("Error allocating "DEFAULT_TAILQ"\n");
+
+ /* check we can add an item to it
+ */
+ TAILQ_INSERT_TAIL(d_head, &d_elem, next);
+
+ /* try allocating dummy_q0 again, and check for failure */
+ if (RTE_TAILQ_RESERVE(DEFAULT_TAILQ, rte_dummy_head) != NULL)
+ do_return("Error, non-null result returned when attemption to "
+ "re-allocate a tailq\n");
+
+ /* now fill up the tailq slots available and check we get an error */
+ for (i = 1; i < RTE_MAX_TAILQ; i++){
+ rte_snprintf(name, sizeof(name), "dummy_q%u", i);
+ if ((d_head = RTE_TAILQ_RESERVE(name, rte_dummy_head)) == NULL)
+ break;
+ }
+
+ /* check that we had an error return before RTE_MAX_TAILQ */
+ if (i == RTE_MAX_TAILQ)
+ do_return("Error, we did not have a reservation failure as expected\n");
+
+ return 0;
+}
+
+static int
+test_tailq_lookup(void)
+{
+ /* run successful test - check result is found */
+ struct rte_dummy_head *d_head;
+ struct rte_dummy *d_ptr;
+
+ d_head = RTE_TAILQ_LOOKUP(DEFAULT_TAILQ, rte_dummy_head);
+ if (d_head == NULL)
+ 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");
+
+ /* now try a bad/error lookup */
+ d_head = RTE_TAILQ_LOOKUP("does_not_exist_queue", rte_dummy_head);
+ if (d_head != NULL)
+ do_return("Error, lookup does not return NULL for bad tailq name\n");
+
+ return 0;
+}
+
+int
+test_tailq(void)
+{
+ int ret = 0;
+ ret |= test_tailq_create();
+ ret |= test_tailq_lookup();
+ return ret;
+}