-static int
-check_live_watermark_change(__attribute__((unused)) void *dummy)
-{
- uint64_t hz = rte_get_timer_hz();
- void *obj_table[MAX_BULK];
- unsigned watermark, watermark_old = 16;
- uint64_t cur_time, end_time;
- int64_t diff = 0;
- int i, ret;
- unsigned count = 4;
-
- /* init the object table */
- memset(obj_table, 0, sizeof(obj_table));
- end_time = rte_get_timer_cycles() + (hz / 4);
-
- /* check that bulk and watermark are 4 and 32 (respectively) */
- while (diff >= 0) {
-
- /* add in ring until we reach watermark */
- ret = 0;
- for (i = 0; i < 16; i ++) {
- if (ret != 0)
- break;
- ret = rte_ring_enqueue_bulk(r, obj_table, count);
- }
-
- if (ret != -EDQUOT) {
- printf("Cannot enqueue objects, or watermark not "
- "reached (ret=%d)\n", ret);
- return -1;
- }
-
- /* read watermark, the only change allowed is from 16 to 32 */
- watermark = r->watermark;
- if (watermark != watermark_old &&
- (watermark_old != 16 || watermark != 32)) {
- printf("Bad watermark change %u -> %u\n", watermark_old,
- watermark);
- return -1;
- }
- watermark_old = watermark;
-
- /* dequeue objects from ring */
- while (i--) {
- ret = rte_ring_dequeue_bulk(r, obj_table, count);
- if (ret != 0) {
- printf("Cannot dequeue (ret=%d)\n", ret);
- return -1;
- }
- }
-
- cur_time = rte_get_timer_cycles();
- diff = end_time - cur_time;
- }
-
- if (watermark_old != 32 ) {
- printf(" watermark was not updated (wm=%u)\n",
- watermark_old);
- return -1;
- }
-
- return 0;
-}
-
-static int
-test_live_watermark_change(void)
-{
- unsigned lcore_id = rte_lcore_id();
- unsigned lcore_id2 = rte_get_next_lcore(lcore_id, 0, 1);
-
- printf("Test watermark live modification\n");
- rte_ring_set_water_mark(r, 16);
-
- /* launch a thread that will enqueue and dequeue, checking
- * watermark and quota */
- rte_eal_remote_launch(check_live_watermark_change, NULL, lcore_id2);
-
- rte_delay_ms(100);
- rte_ring_set_water_mark(r, 32);
- rte_delay_ms(100);
-
- if (rte_eal_wait_lcore(lcore_id2) < 0)
- return -1;
-
- return 0;
-}
-
-/* Test for catch on invalid watermark values */
-static int
-test_set_watermark( void ){
- unsigned count;
- int setwm;
-
- struct rte_ring *r = rte_ring_lookup("test_ring_basic_ex");
- if(r == NULL){
- printf( " ring lookup failed\n" );
- goto error;
- }
- count = r->size * 2;
- setwm = rte_ring_set_water_mark(r, count);
- if (setwm != -EINVAL){
- printf("Test failed to detect invalid watermark count value\n");
- goto error;
- }
-
- count = 0;
- rte_ring_set_water_mark(r, count);
- if (r->watermark != r->size) {
- printf("Test failed to detect invalid watermark count value\n");
- goto error;
- }
- return 0;
-
-error:
- return -1;
-}
-