C++ (Cpp) find_port_id_by_dev_name Examples

Example #1

File: rte_eth_bond_args.c Project: RIFTIO/RIFT.ware

/**
 * Parses a port identifier string to a port id by pci address, then by name,
 * and finally port id.
 */
static inline int
parse_port_id(const char *port_str)
{
	struct rte_pci_addr dev_addr;
	int port_id;

	/* try parsing as pci address, physical devices */
	if (eal_parse_pci_DomBDF(port_str, &dev_addr) == 0) {
		port_id = find_port_id_by_pci_addr(&dev_addr);
		if (port_id < 0)
			return -1;
	} else {
		/* try parsing as device name, virtual devices */
		port_id = find_port_id_by_dev_name(port_str);
		if (port_id < 0) {
			char *end;
			errno = 0;

			/* try parsing as port id */
			port_id = strtol(port_str, &end, 10);
			if (*end != 0 || errno != 0)
				return -1;
		}
	}

	if (port_id < 0 || port_id > RTE_MAX_ETHPORTS) {
		RTE_LOG(ERR, PMD, "Invalid slave port value (%s) specified.\n",
				port_str);
		return -1;
	}
	return port_id;
}

Example #2

File: rte_eth_bond_args.c Project: cleveritcz/f-stack

/**
 * Parses a port identifier string to a port id by pci address, then by name,
 * and finally port id.
 */
static inline int
parse_port_id(const char *port_str)
{
	struct rte_pci_addr dev_addr;
	struct rte_bus *pci_bus;
	struct rte_device *dev;
	int port_id;

	pci_bus = rte_bus_find_by_name("pci");
	if (pci_bus == NULL) {
		RTE_LOG(ERR, PMD, "unable to find PCI bus\n");
		return -1;
	}

	/* try parsing as pci address, physical devices */
	if (pci_bus->parse(port_str, &dev_addr) == 0) {
		dev = pci_bus->find_device(NULL, bond_pci_addr_cmp, &dev_addr);
		if (dev == NULL) {
			RTE_LOG(ERR, PMD, "unable to find PCI device\n");
			return -1;
		}
		port_id = find_port_id_by_pci_addr(&dev_addr);
		if (port_id < 0)
			return -1;
	} else {
		/* try parsing as device name, virtual devices */
		port_id = find_port_id_by_dev_name(port_str);
		if (port_id < 0) {
			char *end;
			errno = 0;

			/* try parsing as port id */
			port_id = strtol(port_str, &end, 10);
			if (*end != 0 || errno != 0)
				return -1;
		}
	}

	if (port_id < 0 || port_id > RTE_MAX_ETHPORTS) {
		RTE_BOND_LOG(ERR, "Slave port specified (%s) outside expected range",
				port_str);
		return -1;
	}
	return port_id;
}