766 lines
20 KiB
C
766 lines
20 KiB
C
/****************************************************************************
|
|
* net/netdev/netdev_ioctl.c
|
|
*
|
|
* Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
|
|
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/net/net.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/route.h>
|
|
#include <net/ethernet.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include <nuttx/net/netdev.h>
|
|
#include <nuttx/net/uip.h>
|
|
|
|
#ifdef CONFIG_NET_IGMP
|
|
# include "sys/sockio.h"
|
|
# include "nuttx/net/igmp.h"
|
|
#endif
|
|
|
|
#include "socket/socket.h"
|
|
#include "netdev/netdev.h"
|
|
#include "route/route.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
# define AF_INETX AF_INET6
|
|
#else
|
|
# define AF_INETX AF_INET
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: ioctl_getipaddr
|
|
*
|
|
* Description:
|
|
* Copy IP addresses from device structure to user memory.
|
|
*
|
|
* Input Parameters:
|
|
* outaddr - Pointer to the user-provided memory to receive the address.
|
|
* Actual type may be either 'struct sockaddr' (IPv4 only) or type
|
|
* 'struct sockaddr_storage' (both IPv4 and IPv6).
|
|
* inaddr - The source IP adress in the device structure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void ioctl_getipaddr(FAR void *outaddr, FAR const net_ipaddr_t *inaddr)
|
|
{
|
|
#ifdef CONFIG_NET_IPv6
|
|
FAR struct sockaddr_in6 *dest = (FAR struct sockaddr_in6 *)outaddr;
|
|
dest->sin_family = AF_INET6;
|
|
dest->sin_port = 0;
|
|
memcpy(dest->sin6_addr.in6_u.u6_addr8, inaddr, 16);
|
|
#else
|
|
FAR struct sockaddr_in *dest = (FAR struct sockaddr_in *)outaddr;
|
|
dest->sin_family = AF_INET;
|
|
dest->sin_port = 0;
|
|
dest->sin_addr.s_addr = *inaddr;
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: ioctl_setipaddr
|
|
*
|
|
* Description:
|
|
* Copy IP addresses from user memory into the device structure
|
|
*
|
|
* Input Parameters:
|
|
* outaddr - Pointer to the source IP address in the device structure.
|
|
* inaddr - Pointer to the user-provided memory to containing the new IP
|
|
* address. Actual type may be either 'struct sockaddr' (IPv4 only) or
|
|
* type 'struct sockaddr_storage' (both IPv4 and IPv6).
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void ioctl_setipaddr(FAR net_ipaddr_t *outaddr, FAR const void *inaddr)
|
|
{
|
|
#ifdef CONFIG_NET_IPv6
|
|
FAR const struct sockaddr_in6 *src = (FAR const struct sockaddr_in6 *)inaddr;
|
|
memcpy(outaddr, src->sin6_addr.in6_u.u6_addr8, 16);
|
|
#else
|
|
FAR const struct sockaddr_in *src = (FAR const struct sockaddr_in *)inaddr;
|
|
*outaddr = src->sin_addr.s_addr;
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: ioctl_ifup / ioctl_ifdown
|
|
*
|
|
* Description:
|
|
* Bring the interface up/down
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void ioctl_ifup(FAR struct net_driver_s *dev)
|
|
{
|
|
/* Make sure that the device supports the d_ifup() method */
|
|
|
|
if (dev->d_ifup)
|
|
{
|
|
/* Is the interface already up? */
|
|
|
|
if ((dev->d_flags & IFF_UP) == 0)
|
|
{
|
|
/* No, bring the interface up now */
|
|
|
|
if (dev->d_ifup(dev) == OK)
|
|
{
|
|
/* Mark the interface as up */
|
|
|
|
dev->d_flags |= IFF_UP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ioctl_ifdown(FAR struct net_driver_s *dev)
|
|
{
|
|
/* Make sure that the device supports the d_ifdown() method */
|
|
|
|
if (dev->d_ifdown)
|
|
{
|
|
/* Is the interface already down? */
|
|
|
|
if ((dev->d_flags & IFF_UP) != 0)
|
|
{
|
|
/* No, take the interface down now */
|
|
|
|
if (dev->d_ifdown(dev) == OK)
|
|
{
|
|
/* Mark the interface as down */
|
|
|
|
dev->d_flags &= ~IFF_UP;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_ifrdev
|
|
*
|
|
* Description:
|
|
* Verify the struct ifreq and get the Ethernet device.
|
|
*
|
|
* Parameters:
|
|
* req - The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* A pointer to the driver structure on success; NULL on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static FAR struct net_driver_s *netdev_ifrdev(FAR struct ifreq *req)
|
|
{
|
|
if (!req)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* Find the network device associated with the device name
|
|
* in the request data.
|
|
*/
|
|
|
|
return netdev_findbyname(req->ifr_name);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_ifrioctl
|
|
*
|
|
* Description:
|
|
* Perform network device specific operations.
|
|
*
|
|
* Parameters:
|
|
* psock Socket structure
|
|
* dev Ethernet driver device structure
|
|
* cmd The ioctl command
|
|
* req The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* >=0 on success (positive non-zero values are cmd-specific)
|
|
* Negated errno returned on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int netdev_ifrioctl(FAR struct socket *psock, int cmd,
|
|
FAR struct ifreq *req)
|
|
{
|
|
FAR struct net_driver_s *dev;
|
|
int ret = -EINVAL;
|
|
|
|
nvdbg("cmd: %d\n", cmd);
|
|
|
|
/* Execute the command */
|
|
|
|
switch (cmd)
|
|
{
|
|
case SIOCGIFADDR: /* Get IP address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_getipaddr(&req->ifr_addr, &dev->d_ipaddr);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFADDR: /* Set IP address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_ifdown(dev);
|
|
ioctl_setipaddr(&dev->d_ipaddr, &req->ifr_addr);
|
|
ioctl_ifup(dev);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFDSTADDR: /* Get P-to-P address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_getipaddr(&req->ifr_dstaddr, &dev->d_draddr);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFDSTADDR: /* Set P-to-P address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_setipaddr(&dev->d_draddr, &req->ifr_dstaddr);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFNETMASK: /* Get network mask */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_getipaddr(&req->ifr_addr, &dev->d_netmask);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFNETMASK: /* Set network mask */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_setipaddr(&dev->d_netmask, &req->ifr_addr);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFMTU: /* Get MTU size */
|
|
{
|
|
req->ifr_mtu = CONFIG_NET_BUFSIZE;
|
|
ret = OK;
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFFLAGS: /* Sets the interface flags */
|
|
{
|
|
/* Is this a request to bring the interface up? */
|
|
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
if (req->ifr_flags & IFF_UP)
|
|
{
|
|
/* Yes.. bring the interface up */
|
|
|
|
ioctl_ifup(dev);
|
|
}
|
|
|
|
/* Is this a request to take the interface down? */
|
|
|
|
else if (req->ifr_flags & IFF_DOWN)
|
|
{
|
|
/* Yes.. take the interface down */
|
|
|
|
ioctl_ifdown(dev);
|
|
}
|
|
}
|
|
|
|
ret = OK;
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFFLAGS: /* Gets the interface flags */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
req->ifr_flags = dev->d_flags;
|
|
}
|
|
|
|
ret = OK;
|
|
}
|
|
break;
|
|
|
|
/* MAC address operations only make sense if Ethernet is supported */
|
|
|
|
#ifdef CONFIG_NET_ETHERNET
|
|
case SIOCGIFHWADDR: /* Get hardware address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
req->ifr_hwaddr.sa_family = AF_INETX;
|
|
memcpy(req->ifr_hwaddr.sa_data,
|
|
dev->d_mac.ether_addr_octet, IFHWADDRLEN);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCSIFHWADDR: /* Set hardware address -- will not take effect until ifup */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
req->ifr_hwaddr.sa_family = AF_INETX;
|
|
memcpy(dev->d_mac.ether_addr_octet,
|
|
req->ifr_hwaddr.sa_data, IFHWADDRLEN);
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case SIOCDIFADDR: /* Delete IP address */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev)
|
|
{
|
|
ioctl_ifdown(dev);
|
|
memset(&dev->d_ipaddr, 0, sizeof(net_ipaddr_t));
|
|
ret = OK;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFCOUNT: /* Get number of devices */
|
|
{
|
|
req->ifr_count = netdev_count();
|
|
ret = -ENOSYS;
|
|
}
|
|
break;
|
|
|
|
case SIOCGIFBRDADDR: /* Get broadcast IP address */
|
|
case SIOCSIFBRDADDR: /* Set broadcast IP address */
|
|
{
|
|
ret = -ENOSYS;
|
|
}
|
|
break;
|
|
|
|
#ifdef CONFIG_NET_ARPIOCTLS
|
|
case SIOCSARP: /* Set a ARP mapping */
|
|
case SIOCDARP: /* Delete an ARP mapping */
|
|
case SIOCGARP: /* Get an ARP mapping */
|
|
# error "IOCTL Commands not implemented"
|
|
#endif
|
|
|
|
#ifdef CONFIG_NETDEV_PHY_IOCTL
|
|
case SIOCGMIIPHY: /* Get address of MII PHY in use */
|
|
case SIOCGMIIREG: /* Get MII register via MDIO */
|
|
case SIOCSMIIREG: /* Set MII register via MDIO */
|
|
{
|
|
dev = netdev_ifrdev(req);
|
|
if (dev && dev->d_ioctl)
|
|
{
|
|
struct mii_ioctl_data *mii_data = &req->ifr_ifru.ifru_mii_data;
|
|
ret = dev->d_ioctl(cmd, mii_data);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
{
|
|
ret = -ENOTTY;
|
|
}
|
|
break;;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_imsfdev
|
|
*
|
|
* Description:
|
|
* Verify the struct ip_msfilter and get the Ethernet device.
|
|
*
|
|
* Parameters:
|
|
* req - The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* A pointer to the driver structure on success; NULL on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IGMP
|
|
static FAR struct net_driver_s *netdev_imsfdev(FAR struct ip_msfilter *imsf)
|
|
{
|
|
if (!imsf)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* Find the network device associated with the device name
|
|
* in the request data.
|
|
*/
|
|
|
|
return netdev_findbyname(imsf->imsf_name);
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_imsfioctl
|
|
*
|
|
* Description:
|
|
* Perform network device specific operations.
|
|
*
|
|
* Parameters:
|
|
* psock Socket structure
|
|
* dev Ethernet driver device structure
|
|
* cmd The ioctl command
|
|
* imsf The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* >=0 on success (positive non-zero values are cmd-specific)
|
|
* Negated errno returned on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IGMP
|
|
static int netdev_imsfioctl(FAR struct socket *psock, int cmd,
|
|
FAR struct ip_msfilter *imsf)
|
|
{
|
|
FAR struct net_driver_s *dev;
|
|
int ret = -EINVAL;
|
|
|
|
nvdbg("cmd: %d\n", cmd);
|
|
|
|
/* Execute the command */
|
|
|
|
switch (cmd)
|
|
{
|
|
case SIOCSIPMSFILTER: /* Set source filter content */
|
|
{
|
|
dev = netdev_imsfdev(imsf);
|
|
if (dev)
|
|
{
|
|
if (imsf->imsf_fmode == MCAST_INCLUDE)
|
|
{
|
|
ret = igmp_joingroup(dev, &imsf->imsf_multiaddr);
|
|
}
|
|
else
|
|
{
|
|
DEBUGASSERT(imsf->imsf_fmode == MCAST_EXCLUDE);
|
|
ret = igmp_leavegroup(dev, &imsf->imsf_multiaddr);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCGIPMSFILTER: /* Retrieve source filter addresses */
|
|
default:
|
|
ret = -ENOTTY;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_rtioctl
|
|
*
|
|
* Description:
|
|
* Perform routing table specific operations.
|
|
*
|
|
* Parameters:
|
|
* psock Socket structure
|
|
* dev Ethernet driver device structure
|
|
* cmd The ioctl command
|
|
* rtentry The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* >=0 on success (positive non-zero values are cmd-specific)
|
|
* Negated errno returned on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_ROUTE
|
|
static int netdev_rtioctl(FAR struct socket *psock, int cmd,
|
|
FAR struct rtentry *rtentry)
|
|
{
|
|
int ret = -EINVAL;
|
|
|
|
/* Execute the command */
|
|
|
|
switch (cmd)
|
|
{
|
|
case SIOCADDRT: /* Add an entry to the routing table */
|
|
{
|
|
if (rtentry)
|
|
{
|
|
net_ipaddr_t target;
|
|
net_ipaddr_t netmask;
|
|
net_ipaddr_t router;
|
|
#ifdef CONFIG_NET_IPv6
|
|
FAR struct sockaddr_in6 *addr;
|
|
#else
|
|
FAR struct sockaddr_in *addr;
|
|
#endif
|
|
/* The target address and the netmask are required value */
|
|
|
|
if (!rtentry->rt_target || !rtentry->rt_netmask)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
addr = (FAR struct sockaddr_in6 *)rtentry->rt_target;
|
|
target = (net_ipaddr_t)addr->sin6_addr.u6_addr16;
|
|
|
|
addr = (FAR struct sockaddr_in6 *)rtentry->rt_netmask;
|
|
netmask = (net_ipaddr_t)addr->sin6_addr.u6_addr16;
|
|
|
|
/* The router is an optional argument */
|
|
|
|
if (rtentry->rt_router)
|
|
{
|
|
addr = (FAR struct sockaddr_in6 *)rtentry->rt_router;
|
|
router = (net_ipaddr_t)addr->sin6_addr.u6_addr16;
|
|
}
|
|
else
|
|
{
|
|
router = NULL;
|
|
}
|
|
#else
|
|
addr = (FAR struct sockaddr_in *)rtentry->rt_target;
|
|
target = (net_ipaddr_t)addr->sin_addr.s_addr;
|
|
|
|
addr = (FAR struct sockaddr_in *)rtentry->rt_netmask;
|
|
netmask = (net_ipaddr_t)addr->sin_addr.s_addr;
|
|
|
|
/* The router is an optional argument */
|
|
|
|
if (rtentry->rt_router)
|
|
{
|
|
addr = (FAR struct sockaddr_in *)rtentry->rt_router;
|
|
router = (net_ipaddr_t)addr->sin_addr.s_addr;
|
|
}
|
|
else
|
|
{
|
|
router = 0;
|
|
}
|
|
#endif
|
|
ret = net_addroute(target, netmask, router);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SIOCDELRT: /* Delete an entry from the routing table */
|
|
{
|
|
if (rtentry)
|
|
{
|
|
net_ipaddr_t target;
|
|
net_ipaddr_t netmask;
|
|
#ifdef CONFIG_NET_IPv6
|
|
FAR struct sockaddr_in6 *addr;
|
|
#else
|
|
FAR struct sockaddr_in *addr;
|
|
#endif
|
|
|
|
/* The target address and the netmask are required value */
|
|
|
|
if (!rtentry->rt_target || !rtentry->rt_netmask)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
addr = (FAR struct sockaddr_in6 *)rtentry->rt_target;
|
|
target = (net_ipaddr_t)addr->sin6_addr.u6_addr16;
|
|
|
|
addr = (FAR struct sockaddr_in6 *)rtentry->rt_netmask;
|
|
netmask = (net_ipaddr_t)addr->sin6_addr.u6_addr16;
|
|
#else
|
|
addr = (FAR struct sockaddr_in *)rtentry->rt_target;
|
|
target = (net_ipaddr_t)addr->sin_addr.s_addr;
|
|
|
|
addr = (FAR struct sockaddr_in *)rtentry->rt_netmask;
|
|
netmask = (net_ipaddr_t)addr->sin_addr.s_addr;
|
|
#endif
|
|
ret = net_delroute(target, netmask);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ret = -ENOTTY;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Global Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: netdev_ioctl
|
|
*
|
|
* Description:
|
|
* Perform network device specific operations.
|
|
*
|
|
* Parameters:
|
|
* sockfd Socket descriptor of device
|
|
* cmd The ioctl command
|
|
* arg The argument of the ioctl cmd
|
|
*
|
|
* Return:
|
|
* >=0 on success (positive non-zero values are cmd-specific)
|
|
* On a failure, -1 is returned with errno set appropriately
|
|
*
|
|
* EBADF
|
|
* 'sockfd' is not a valid descriptor.
|
|
* EFAULT
|
|
* 'arg' references an inaccessible memory area.
|
|
* ENOTTY
|
|
* 'cmd' not valid.
|
|
* EINVAL
|
|
* 'arg' is not valid.
|
|
* ENOTTY
|
|
* 'sockfd' is not associated with a network device.
|
|
* ENOTTY
|
|
* The specified request does not apply to the kind of object that the
|
|
* descriptor 'sockfd' references.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int netdev_ioctl(int sockfd, int cmd, unsigned long arg)
|
|
{
|
|
FAR struct socket *psock = sockfd_socket(sockfd);
|
|
int ret;
|
|
|
|
/* Check if this is a valid command. In all cases, arg is a pointer that has
|
|
* been cast to unsigned long. Verify that the value of the to-be-pointer is
|
|
* non-NULL.
|
|
*/
|
|
|
|
if (!_SIOCVALID(cmd))
|
|
{
|
|
ret = -ENOTTY;
|
|
goto errout;
|
|
}
|
|
|
|
/* Verify that the sockfd corresponds to valid, allocated socket */
|
|
|
|
if (!psock || psock->s_crefs <= 0)
|
|
{
|
|
ret = -EBADF;
|
|
goto errout;
|
|
}
|
|
|
|
/* Execute the command */
|
|
|
|
ret = netdev_ifrioctl(psock, cmd, (FAR struct ifreq*)((uintptr_t)arg));
|
|
#ifdef CONFIG_NET_IGMP
|
|
if (ret == -ENOTTY)
|
|
{
|
|
|
|
ret = netdev_imsfioctl(psock, cmd, (FAR struct ip_msfilter*)((uintptr_t)arg));
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_NET_ROUTE
|
|
if (ret == -ENOTTY)
|
|
{
|
|
ret = netdev_rtioctl(psock, cmd, (FAR struct rtentry*)((uintptr_t)arg));
|
|
}
|
|
#endif
|
|
|
|
/* Check for success or failure */
|
|
|
|
if (ret >= 0)
|
|
{
|
|
return ret;
|
|
}
|
|
|
|
/* On failure, set the errno and return -1 */
|
|
|
|
errout:
|
|
errno = -ret;
|
|
return ERROR;
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
|