* apps/netutils/netlib/netlib_addvlan.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_NET_VLAN
#include <nuttx/net/vlan.h>
#include "netutils/netlib.h"
* Public Functions
****************************************************************************/
* Name: netlib_add_vlan
*
* Description:
* Add a VLAN interface to an existing network device.
*
* Parameters:
* ifname - The name of the existing network device
* vlanid - The VLAN identifier to be added
* prio - The default VLAN priority (PCP)
*
* Return:
* 0 on success; -1 on failure
*
****************************************************************************/
int netlib_add_vlan(FAR const char *ifname, int vlanid, int prio)
{
int ret = ERROR;
if (ifname && vlanid > 0)
{
int sockfd = socket(NET_SOCK_FAMILY, NET_SOCK_TYPE, NET_SOCK_PROTOCOL);
if (sockfd >= 0)
{
struct vlan_ioctl_args ifv;
strlcpy(ifv.device1, ifname, sizeof(ifv.device1));
ifv.u.VID = vlanid;
ifv.vlan_qos = prio;
ifv.cmd = ADD_VLAN_CMD;
ret = ioctl(sockfd, SIOCSIFVLAN, &ifv);
close(sockfd);
}
}
return ret;
}
#endif