Function netcfg_acquire

dpdk/drivers/bus/dpaa/base/fman/netcfg_layer.c:70–145

#endif /* RTE_LIBRTE_DPAA_DEBUG_DRIVER */

struct netcfg_info *
netcfg_acquire(void)
{
	struct fman_if *__if;
	int _errno, idx = 0;
	uint8_t num_ports = 0;
	uint8_t num_cfg_ports = 0;
	size_t size;

	/* Extract dpa configuration from fman driver and FMC configuration
	 * for command-line interfaces.
	 */

	/* Open a basic socket to enable/disable shared
	 * interfaces.
	 */
	skfd = socket(AF_PACKET, SOCK_RAW, 0);
	if (unlikely(skfd < 0)) {
		err(0, "%s(): open(SOCK_RAW)", __func__);
		return NULL;
	}

	/* Initialise the Fman driver */
	_errno = fman_init();
	if (_errno) {
		DPAA_BUS_LOG(ERR, "FMAN driver init failed (%d)", errno);
		close(skfd);
		skfd = -1;
		return NULL;
	}

	/* Number of MAC ports */
	list_for_each_entry(__if, fman_if_list, node)
		num_ports++;

	if (!num_ports) {
		DPAA_BUS_LOG(ERR, "FMAN ports not available");
		return NULL;
	}
	/* Allocate space for all enabled mac ports */
	size = sizeof(*netcfg) +
		(num_ports * sizeof(struct fm_eth_port_cfg));

	netcfg = rte_calloc(NULL, 1, size, 0);
	if (unlikely(netcfg == NULL)) {
		DPAA_BUS_LOG(ERR, "Unable to allocat mem for netcfg");
		goto error;
	}

	netcfg->num_ethports = num_ports;

	list_for_each_entry(__if, fman_if_list, node) {
		struct fm_eth_port_cfg *cfg = &netcfg->port_cfg[idx];
		/* Hook in the fman driver interface */
		cfg->fman_if = __if;
		cfg->rx_def = __if->fqid_rx_def;
		num_cfg_ports++;
		idx++;