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39 #include <sys/queue.h>
41 #include <cmdline_parse.h>
44 #include <rte_eal_memconfig.h>
45 #include <rte_string_fns.h>
46 #include <rte_tailq.h>
50 #define do_return(...) do { \
51 printf("Error at %s, line %d: ", __func__, __LINE__); \
52 printf(__VA_ARGS__); \
56 #define DEFAULT_TAILQ (RTE_TAILQ_NUM)
58 static struct rte_dummy d_elem;
61 test_tailq_create(void)
63 struct rte_dummy_head *d_head;
66 /* create a first tailq and check its non-null */
67 d_head = RTE_TAILQ_RESERVE_BY_IDX(DEFAULT_TAILQ, rte_dummy_head);
69 do_return("Error allocating dummy_q0\n");
71 /* check we can add an item to it
73 TAILQ_INSERT_TAIL(d_head, &d_elem, next);
75 /* try allocating dummy_q0 again, and check for failure */
76 if (RTE_TAILQ_RESERVE_BY_IDX(DEFAULT_TAILQ, rte_dummy_head) == NULL)
77 do_return("Error, non-null result returned when attemption to "
78 "re-allocate a tailq\n");
80 /* now fill up the tailq slots available and check we get an error */
81 for (i = RTE_TAILQ_NUM; i < RTE_MAX_TAILQ; i++){
82 if ((d_head = RTE_TAILQ_RESERVE_BY_IDX(i, rte_dummy_head)) == NULL)
86 /* check that we had an error return before RTE_MAX_TAILQ */
87 if (i != RTE_MAX_TAILQ)
88 do_return("Error, we did not have a reservation as expected\n");
94 test_tailq_lookup(void)
96 /* run successful test - check result is found */
97 struct rte_dummy_head *d_head;
98 struct rte_dummy *d_ptr;
100 d_head = RTE_TAILQ_LOOKUP_BY_IDX(DEFAULT_TAILQ, rte_dummy_head);
102 do_return("Error with tailq lookup\n");
104 TAILQ_FOREACH(d_ptr, d_head, next)
105 if (d_ptr != &d_elem)
106 do_return("Error with tailq returned from lookup - "
107 "expected element not found\n");
109 /* now try a bad/error lookup */
110 d_head = RTE_TAILQ_LOOKUP_BY_IDX(RTE_MAX_TAILQ, rte_dummy_head);
112 do_return("Error, lookup does not return NULL for bad tailq name\n");
117 /* test for deprecated functions - mainly for coverage */
119 test_tailq_deprecated(void)
121 struct rte_dummy_head *d_head;
123 /* since TAILQ_RESERVE is not able to create new tailqs,
124 * we should find an existing one (IOW, RTE_TAILQ_RESERVE behaves identical
125 * to RTE_TAILQ_LOOKUP).
127 * PCI_RESOURCE_LIST tailq is guaranteed to
128 * be present in any DPDK app. */
129 d_head = RTE_TAILQ_RESERVE("PCI_RESOURCE_LIST", rte_dummy_head);
131 do_return("Error finding PCI_RESOURCE_LIST\n");
133 d_head = RTE_TAILQ_LOOKUP("PCI_RESOURCE_LIST", rte_dummy_head);
135 do_return("Error finding PCI_RESOURCE_LIST\n");
137 /* try doing that with non-existent names */
138 d_head = RTE_TAILQ_RESERVE("random name", rte_dummy_head);
140 do_return("Non-existent tailq found!\n");
142 d_head = RTE_TAILQ_LOOKUP("random name", rte_dummy_head);
144 do_return("Non-existent tailq found!\n");
146 /* try doing the same with NULL names */
147 d_head = RTE_TAILQ_RESERVE(NULL, rte_dummy_head);
149 do_return("NULL tailq found!\n");
151 d_head = RTE_TAILQ_LOOKUP(NULL, rte_dummy_head);
153 do_return("NULL tailq found!\n");
162 ret |= test_tailq_create();
163 ret |= test_tailq_lookup();
164 ret |= test_tailq_deprecated();