Function test_enqueue_fill

dpdk/app/test/test_dmadev.c:717–760

}

static int
test_enqueue_fill(int16_t dev_id, uint16_t vchan)
{
	const unsigned int lengths[] = {8, 64, 1024, 50, 100, 89};
	struct rte_mbuf *dst;
	char *dst_data;
	uint64_t pattern = 0xfedcba9876543210;
	unsigned int i, j;

	dst = rte_pktmbuf_alloc(pool);
	if (dst == NULL)
		ERR_RETURN("Failed to allocate mbuf\n");
	dst_data = rte_pktmbuf_mtod(dst, char *);

	for (i = 0; i < RTE_DIM(lengths); i++) {
		/* reset dst_data */
		memset(dst_data, 0, rte_pktmbuf_data_len(dst));

		/* perform the fill operation */
		int id = rte_dma_fill(dev_id, vchan, pattern,
				rte_pktmbuf_iova(dst), lengths[i], RTE_DMA_OP_FLAG_SUBMIT);
		if (id < 0)
			ERR_RETURN("Error with rte_dma_fill\n");
		await_hw(dev_id, vchan);

		if (rte_dma_completed(dev_id, vchan, 1, NULL, NULL) != 1)
			ERR_RETURN("Error: fill operation failed (length: %u)\n", lengths[i]);
		/* check the data from the fill operation is correct */
		for (j = 0; j < lengths[i]; j++) {
			char pat_byte = ((char *)&pattern)[j % 8];
			if (dst_data[j] != pat_byte)
				ERR_RETURN("Error with fill operation (lengths = %u): got (%x), not (%x)\n",
						lengths[i], dst_data[j], pat_byte);
		}
		/* check that the data after the fill operation was not written to */
		for (; j < rte_pktmbuf_data_len(dst); j++)
			if (dst_data[j] != 0)
				ERR_RETURN("Error, fill operation wrote too far (lengths = %u): got (%x), not (%x)\n",
						lengths[i], dst_data[j], 0);
	}

	rte_pktmbuf_free(dst);
	return 0;
}

static int
test_burst_capacity(int16_t dev_id, uint16_t vchan)