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38 #include <sys/queue.h>
40 #include <cmdline_parse.h>
43 #include <rte_eal_memconfig.h>
44 #include <rte_string_fns.h>
45 #include <rte_tailq.h>
49 #define do_return(...) do { \
50 printf("Error at %s, line %d: ", __func__, __LINE__); \
51 printf(__VA_ARGS__); \
55 #define DEFAULT_TAILQ (RTE_TAILQ_NUM)
57 static struct rte_dummy d_elem;
60 test_tailq_create(void)
62 struct rte_dummy_head *d_head;
65 /* create a first tailq and check its non-null */
66 d_head = RTE_TAILQ_RESERVE_BY_IDX(DEFAULT_TAILQ, rte_dummy_head);
68 do_return("Error allocating dummy_q0\n");
70 /* check we can add an item to it
72 TAILQ_INSERT_TAIL(d_head, &d_elem, next);
74 /* try allocating dummy_q0 again, and check for failure */
75 if (RTE_TAILQ_RESERVE_BY_IDX(DEFAULT_TAILQ, rte_dummy_head) == NULL)
76 do_return("Error, non-null result returned when attemption to "
77 "re-allocate a tailq\n");
79 /* now fill up the tailq slots available and check we get an error */
80 for (i = RTE_TAILQ_NUM; i < RTE_MAX_TAILQ; i++){
81 if ((d_head = RTE_TAILQ_RESERVE_BY_IDX(i, rte_dummy_head)) == NULL)
85 /* check that we had an error return before RTE_MAX_TAILQ */
86 if (i != RTE_MAX_TAILQ)
87 do_return("Error, we did not have a reservation as expected\n");
93 test_tailq_lookup(void)
95 /* run successful test - check result is found */
96 struct rte_dummy_head *d_head;
97 struct rte_dummy *d_ptr;
99 d_head = RTE_TAILQ_LOOKUP_BY_IDX(DEFAULT_TAILQ, rte_dummy_head);
101 do_return("Error with tailq lookup\n");
103 TAILQ_FOREACH(d_ptr, d_head, next)
104 if (d_ptr != &d_elem)
105 do_return("Error with tailq returned from lookup - "
106 "expected element not found\n");
108 /* now try a bad/error lookup */
109 d_head = RTE_TAILQ_LOOKUP_BY_IDX(RTE_MAX_TAILQ, rte_dummy_head);
111 do_return("Error, lookup does not return NULL for bad tailq name\n");
116 /* test for deprecated functions - mainly for coverage */
118 test_tailq_deprecated(void)
120 struct rte_dummy_head *d_head;
122 /* since TAILQ_RESERVE is not able to create new tailqs,
123 * we should find an existing one (IOW, RTE_TAILQ_RESERVE behaves identical
124 * to RTE_TAILQ_LOOKUP).
126 * PCI_RESOURCE_LIST tailq is guaranteed to
127 * be present in any DPDK app. */
128 d_head = RTE_TAILQ_RESERVE("PCI_RESOURCE_LIST", rte_dummy_head);
130 do_return("Error finding PCI_RESOURCE_LIST\n");
132 d_head = RTE_TAILQ_LOOKUP("PCI_RESOURCE_LIST", rte_dummy_head);
134 do_return("Error finding PCI_RESOURCE_LIST\n");
136 /* try doing that with non-existent names */
137 d_head = RTE_TAILQ_RESERVE("random name", rte_dummy_head);
139 do_return("Non-existent tailq found!\n");
141 d_head = RTE_TAILQ_LOOKUP("random name", rte_dummy_head);
143 do_return("Non-existent tailq found!\n");
145 /* try doing the same with NULL names */
146 d_head = RTE_TAILQ_RESERVE(NULL, rte_dummy_head);
148 do_return("NULL tailq found!\n");
150 d_head = RTE_TAILQ_LOOKUP(NULL, rte_dummy_head);
152 do_return("NULL tailq found!\n");
161 ret |= test_tailq_create();
162 ret |= test_tailq_lookup();
163 ret |= test_tailq_deprecated();