+/*
+ * Similar to the test above (full bucket test), but for extendable buckets.
+ */
+static int test_extendable_bucket(void)
+{
+ struct rte_hash_parameters params_pseudo_hash = {
+ .name = "test5",
+ .entries = 64,
+ .key_len = sizeof(struct flow_key), /* 13 */
+ .hash_func = pseudo_hash,
+ .hash_func_init_val = 0,
+ .socket_id = 0,
+ .extra_flag = RTE_HASH_EXTRA_FLAGS_EXT_TABLE
+ };
+ struct rte_hash *handle;
+ int pos[64];
+ int expected_pos[64];
+ unsigned int i;
+ struct flow_key rand_keys[64];
+
+ for (i = 0; i < 64; i++) {
+ rand_keys[i].port_dst = i;
+ rand_keys[i].port_src = i+1;
+ }
+
+ handle = rte_hash_create(¶ms_pseudo_hash);
+ RETURN_IF_ERROR(handle == NULL, "hash creation failed");
+
+ /* Fill bucket */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_add_key(handle, &rand_keys[i]);
+ print_key_info("Add", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] < 0,
+ "failed to add key (pos[%u]=%d)", i, pos[i]);
+ expected_pos[i] = pos[i];
+ }
+
+ /* Lookup */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_lookup(handle, &rand_keys[i]);
+ print_key_info("Lkp", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] != expected_pos[i],
+ "failed to find key (pos[%u]=%d)", i, pos[i]);
+ }
+
+ /* Add - update */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_add_key(handle, &rand_keys[i]);
+ print_key_info("Add", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] != expected_pos[i],
+ "failed to add key (pos[%u]=%d)", i, pos[i]);
+ }
+
+ /* Lookup */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_lookup(handle, &rand_keys[i]);
+ print_key_info("Lkp", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] != expected_pos[i],
+ "failed to find key (pos[%u]=%d)", i, pos[i]);
+ }
+
+ /* Delete 1 key, check other keys are still found */
+ pos[35] = rte_hash_del_key(handle, &rand_keys[35]);
+ print_key_info("Del", &rand_keys[35], pos[35]);
+ RETURN_IF_ERROR(pos[35] != expected_pos[35],
+ "failed to delete key (pos[1]=%d)", pos[35]);
+ pos[20] = rte_hash_lookup(handle, &rand_keys[20]);
+ print_key_info("Lkp", &rand_keys[20], pos[20]);
+ RETURN_IF_ERROR(pos[20] != expected_pos[20],
+ "failed lookup after deleting key from same bucket "
+ "(pos[20]=%d)", pos[20]);
+
+ /* Go back to previous state */
+ pos[35] = rte_hash_add_key(handle, &rand_keys[35]);
+ print_key_info("Add", &rand_keys[35], pos[35]);
+ expected_pos[35] = pos[35];
+ RETURN_IF_ERROR(pos[35] < 0, "failed to add key (pos[1]=%d)", pos[35]);
+
+ /* Delete */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_del_key(handle, &rand_keys[i]);
+ print_key_info("Del", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] != expected_pos[i],
+ "failed to delete key (pos[%u]=%d)", i, pos[i]);
+ }
+
+ /* Lookup */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_lookup(handle, &rand_keys[i]);
+ print_key_info("Lkp", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] != -ENOENT,
+ "fail: found non-existent key (pos[%u]=%d)", i, pos[i]);
+ }
+
+ /* Add again */
+ for (i = 0; i < 64; i++) {
+ pos[i] = rte_hash_add_key(handle, &rand_keys[i]);
+ print_key_info("Add", &rand_keys[i], pos[i]);
+ RETURN_IF_ERROR(pos[i] < 0,
+ "failed to add key (pos[%u]=%d)", i, pos[i]);
+ expected_pos[i] = pos[i];
+ }
+
+ rte_hash_free(handle);
+
+ /* Cover the NULL case. */
+ rte_hash_free(0);
+ return 0;
+}
+