Function test_bitmap_scan_operations

dpdk/app/test/test_bitmap.c:16–106

#define MAX_BITS 1000

static int
test_bitmap_scan_operations(struct rte_bitmap *bmp)
{
	uint64_t slab1_magic = 0xBADC0FFEEBADF00D;
	uint64_t slab2_magic = 0xFEEDDEADDEADF00D;
	uint32_t pos = 0, start_pos;
	int i, nb_clear, nb_set;
	uint64_t out_slab = 0;

	rte_bitmap_reset(bmp);

	rte_bitmap_set_slab(bmp, pos, slab1_magic);
	rte_bitmap_set_slab(bmp, pos + RTE_BITMAP_SLAB_BIT_SIZE, slab2_magic);

	if (!rte_bitmap_scan(bmp, &pos, &out_slab)) {
		printf("Failed to get slab from bitmap.\n");
		return TEST_FAILED;
	}

	if (slab1_magic != out_slab) {
		printf("Scan operation sanity failed.\n");
		return TEST_FAILED;
	}

	if (!rte_bitmap_scan(bmp, &pos, &out_slab)) {
		printf("Failed to get slab from bitmap.\n");
		return TEST_FAILED;
	}

	if (slab2_magic != out_slab) {
		printf("Scan operation sanity failed.\n");
		return TEST_FAILED;
	}

	/* Wrap around */
	if (!rte_bitmap_scan(bmp, &pos, &out_slab)) {
		printf("Failed to get slab from bitmap.\n");
		return TEST_FAILED;
	}

	if (slab1_magic != out_slab) {
		printf("Scan operation wrap around failed.\n");
		return TEST_FAILED;
	}

	/* Scan reset check. */
	__rte_bitmap_scan_init(bmp);

	if (!rte_bitmap_scan(bmp, &pos, &out_slab)) {
		printf("Failed to get slab from bitmap.\n");
		return TEST_FAILED;
	}

	if (slab1_magic != out_slab) {
		printf("Scan reset operation failed.\n");
		return TEST_FAILED;
	}