Exemplos de efx_mcdi_get_port_modes em C++ (Cpp)

Exemplo n.º 1

Arquivo: medford_nic.c Projeto: Di0gen/test_jenkins_project

static	__checkReturn	efx_rc_t
medford_nic_get_required_pcie_bandwidth(
	__in		efx_nic_t *enp,
	__out		uint32_t *bandwidth_mbpsp)
{
	uint32_t port_modes;
	uint32_t current_mode;
	uint32_t bandwidth;
	efx_rc_t rc;

	if ((rc = efx_mcdi_get_port_modes(enp, &port_modes,
				    &current_mode)) != 0) {
		/* No port mode info available. */
		bandwidth = 0;
		goto out;
	}

	if ((rc = ef10_nic_get_port_mode_bandwidth(current_mode,
						    &bandwidth)) != 0)
		goto fail1;

out:
	*bandwidth_mbpsp = bandwidth;

	return (0);

fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}

Exemplo n.º 2

Arquivo: hunt_nic.c Projeto: 2trill2spill/freebsd

static	__checkReturn	efx_rc_t
hunt_nic_get_required_pcie_bandwidth(
	__in		efx_nic_t *enp,
	__out		uint32_t *bandwidth_mbpsp)
{
	uint32_t port_modes;
	uint32_t max_port_mode;
	uint32_t bandwidth;
	efx_rc_t rc;

	/*
	 * On Huntington, the firmware may not give us the current port mode, so
	 * we need to go by the set of available port modes and assume the most
	 * capable mode is in use.
	 */

	if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, NULL)) != 0) {
		/* No port mode info available */
		bandwidth = 0;
		goto out;
	}

	if (port_modes & (1 << TLV_PORT_MODE_40G_40G)) {
		/*
		 * This needs the full PCIe bandwidth (and could use
		 * more) - roughly 64 Gbit/s for 8 lanes of Gen3.
		 */
		if ((rc = efx_nic_calculate_pcie_link_bandwidth(8,
			    EFX_PCIE_LINK_SPEED_GEN3, &bandwidth)) != 0)
			goto fail1;
	} else {
		if (port_modes & (1 << TLV_PORT_MODE_40G)) {
			max_port_mode = TLV_PORT_MODE_40G;
		} else if (port_modes & (1 << TLV_PORT_MODE_10G_10G_10G_10G)) {
			max_port_mode = TLV_PORT_MODE_10G_10G_10G_10G;
		} else {
			/* Assume two 10G ports */
			max_port_mode = TLV_PORT_MODE_10G_10G;
		}

		if ((rc = ef10_nic_get_port_mode_bandwidth(max_port_mode,
							    &bandwidth)) != 0)
			goto fail2;
	}

out:
	*bandwidth_mbpsp = bandwidth;

	return (0);

fail2:
	EFSYS_PROBE(fail2);
fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}