Function netdev_set_netmask

components/net/netdev/src/netdev.c:690–709

* This function will set network interface device netmask address. * * @param netdev the network interface device to change * @param netmask the new netmask address * * @return 0: set netmask address successfully * -1: set netmask address failed */

 *         -1: set netmask address failed
 */
int netdev_set_netmask(struct netdev *netdev, const ip_addr_t *netmask)
{
    RT_ASSERT(netdev);
    RT_ASSERT(netmask);

    if (!netdev->ops || !netdev->ops->set_addr_info)
    {
        LOG_E("The network interface device(%s) not support to set netmask address.", netdev->name);
        return -RT_ERROR;
    }

    if (netdev_is_dhcp_enabled(netdev))
    {
        LOG_E("The network interface device(%s) DHCP capability is enable, not support set netmask address.", netdev->name);
        return -RT_ERROR;
    }

    /* execute network interface device set netmask address operations */
    return netdev->ops->set_addr_info(netdev, RT_NULL, (ip_addr_t *)netmask, RT_NULL);
}

/**
 * This function will set network interface device gateway address.