Function sfc_mae_assign_switch_port

dpdk/drivers/net/sfc/sfc_switch.c:420–485

}

int
sfc_mae_assign_switch_port(uint16_t switch_domain_id,
			   const struct sfc_mae_switch_port_request *req,
			   uint16_t *switch_port_id)
{
	struct sfc_mae_switch_domain *domain;
	struct sfc_mae_switch_port *port;
	int rc;

	rte_spinlock_lock(&sfc_mae_switch.lock);

	domain = sfc_mae_find_switch_domain_by_id(switch_domain_id);
	if (domain == NULL) {
		rc = EINVAL;
		goto fail_find_switch_domain_by_id;
	}

	port = sfc_mae_find_switch_port_by_entity(domain, req->entity_mportp,
						  req->type);
	if (port != NULL)
		goto done;

	port = rte_zmalloc("sfc_mae_switch_port", sizeof(*port), 0);
	if (port == NULL) {
		rc = ENOMEM;
		goto fail_mem_alloc;
	}

	port->entity_mport.sel = req->entity_mportp->sel;
	port->type = req->type;

	port->id = (domain->nb_ports++);

	TAILQ_INSERT_TAIL(&domain->ports, port, switch_domain_ports);

done:
	port->ethdev_mport = *req->ethdev_mportp;
	port->ethdev_port_id = req->ethdev_port_id;

	memcpy(&port->data, &req->port_data,
	       sizeof(port->data));

	switch (req->type) {
	case SFC_MAE_SWITCH_PORT_INDEPENDENT:
		if (port->data.indep.mae_admin) {
			SFC_ASSERT(domain->mae_admin_port == NULL);
			domain->mae_admin_port = port;
		}
		break;
	case SFC_MAE_SWITCH_PORT_REPRESENTOR:
		break;
	default:
		SFC_ASSERT(B_FALSE);
	}

	*switch_port_id = port->id;

	rte_spinlock_unlock(&sfc_mae_switch.lock);