Function mlx4_rxmode_toggle

dpdk/drivers/net/mlx4/mlx4_ethdev.c:347–379

* Helper function to toggle promiscuous and all multicast modes. * * @param dev * Pointer to Ethernet device structure. * @param toggle * Toggle to set. * * @return * 0 on success, a negative errno value otherwise and rte_errno is set. */

 *   0 on success, a negative errno value otherwise and rte_errno is set.
 */
static int
mlx4_rxmode_toggle(struct rte_eth_dev *dev, enum rxmode_toggle toggle)
{
	struct mlx4_priv *priv = dev->data->dev_private;
	const char *mode;
	struct rte_flow_error error;
	int ret;

	switch (toggle) {
	case RXMODE_TOGGLE_PROMISC_OFF:
	case RXMODE_TOGGLE_PROMISC_ON:
		mode = "promiscuous";
		dev->data->promiscuous = toggle & 1;
		break;
	case RXMODE_TOGGLE_ALLMULTI_OFF:
	case RXMODE_TOGGLE_ALLMULTI_ON:
		mode = "all multicast";
		dev->data->all_multicast = toggle & 1;
		break;
	default:
		mode = "undefined";
	}

	ret = mlx4_flow_sync(priv, &error);
	if (!ret)
		return 0;

	ERROR("cannot toggle %s mode (code %d, \"%s\"),"
	      " flow error type %d, cause %p, message: %s",
	      mode, rte_errno, strerror(rte_errno), error.type, error.cause,
	      error.message ? error.message : "(unspecified)");
	return ret;
}

/**
 * DPDK callback to enable promiscuous mode.