Function netdev_set_gw

components/net/netdev/src/netdev.c:720–739

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

 *         -1: set gateway address failed
 */
int netdev_set_gw(struct netdev *netdev, const ip_addr_t *gw)
{
    RT_ASSERT(netdev);
    RT_ASSERT(gw);

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

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

/**
 * This function will try to get network device and set DNS server address.