Function parse_pdump

dpdk/app/pdump/main.c:249–381

}

static int
parse_pdump(const char *optarg)
{
	struct rte_kvargs *kvlist;
	int ret = 0, cnt1, cnt2;
	struct pdump_tuples *pt;
	struct parse_val v = {0};

	pt = &pdump_t[num_tuples];

	/* initial check for invalid arguments */
	kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
	if (kvlist == NULL) {
		printf("--pdump=\"%s\": invalid argument passed\n", optarg);
		return -1;
	}

	/* port/device_id parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
	cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
	if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
		printf("--pdump=\"%s\": must have either port or "
			"device_id argument\n", optarg);
		ret = -1;
		goto free_kvlist;
	} else if (cnt1 == 1) {
		v.min = 0;
		v.max = RTE_MAX_ETHPORTS-1;
		ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
				&parse_uint_value, &v);
		if (ret < 0)
			goto free_kvlist;
		pt->port = (uint16_t) v.val;
		pt->dump_by_type = PORT_ID;
	} else if (cnt2 == 1) {
		ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
				&parse_device_id, pt);
		if (ret < 0)
			goto free_kvlist;
	}

	/* queue parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
	if (cnt1 != 1) {
		printf("--pdump=\"%s\": must have queue argument\n", optarg);
		ret = -1;
		goto free_kvlist;
	}
	ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
	if (ret < 0)
		goto free_kvlist;

	/* rx-dev and tx-dev parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
	cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
	if (cnt1 == 0 && cnt2 == 0) {
		printf("--pdump=\"%s\": must have either rx-dev or "
			"tx-dev argument\n", optarg);