Function mlx5_get_module_info

dpdk/drivers/net/mlx5/linux/mlx5_ethdev_os.c:1203–1229

* DPDK callback to retrieve plug-in module EEPROM information (type and size). * * @param dev * Pointer to Ethernet device structure. * @param[out] modinfo * Storage for plug-in module EEPROM information. * * @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.
 */
int
mlx5_get_module_info(struct rte_eth_dev *dev,
		     struct rte_eth_dev_module_info *modinfo)
{
	struct ethtool_modinfo info = {
		.cmd = ETHTOOL_GMODULEINFO,
	};
	struct ifreq ifr = (struct ifreq) {
		.ifr_data = (void *)&info,
	};
	int ret = 0;

	if (!dev) {
		DRV_LOG(WARNING, "missing argument, cannot get module info");
		rte_errno = EINVAL;
		return -rte_errno;
	}
	ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
	if (ret) {
		DRV_LOG(WARNING, "port %u ioctl(SIOCETHTOOL) failed: %s",
			dev->data->port_id, strerror(rte_errno));
		return ret;
	}
	modinfo->type = info.type;
	modinfo->eeprom_len = info.eeprom_len;
	return ret;
}

/**
 * DPDK callback to retrieve plug-in module EEPROM data.