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Add IGMP user interface

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2786 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2010-07-11 18:10:22 +00:00
parent 17db18e5f6
commit 3a71f0ac59
15 changed files with 544 additions and 154 deletions
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net/netdev_ioctl.c
+163 -45
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* net/netdev_ioctl.c
*
* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
#include <sys/ioctl.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
@@ -54,6 +55,11 @@
#include <net/uip/uip-arch.h>
#include <net/uip/uip.h>
#ifdef CONFIG_NET_IGMP
# include "sys/sockio.h"
# include "net/uip/uip-igmp.h"
#endif
#include "net_internal.h"
/****************************************************************************
@@ -129,10 +135,6 @@ static inline void ioctl_ifdown(FAR struct uip_driver_s *dev)
}
}
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Name: netdev_ioctl
*
@@ -140,47 +142,21 @@ static inline void ioctl_ifdown(FAR struct uip_driver_s *dev)
* Perform network device specific operations.
*
* Parameters:
* sockfd Socket descriptor of device
* 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)
* -1 on failure withi errno set properly:
*
* EBADF
* 'sockfd' is not a valid descriptor.
* EFAULT
* 'req' references an inaccessible memory area.
* EINVAL
* 'cmd' or 'req' 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.
* Negated errno returned on failure.
*
****************************************************************************/
int netdev_ioctl(int sockfd, int cmd, struct ifreq *req)
static int netdev_ifrioctl(FAR struct socket *psock, int cmd, struct ifreq *req)
{
FAR struct socket *psock = sockfd_socket(sockfd);
FAR struct uip_driver_s *dev;
int err;
if (!_SIOCVALID(cmd) || !req)
{
err = EINVAL;
goto errout;
}
/* Verify that the sockfd corresponds to valid, allocated socket */
if (!psock || psock->s_crefs <= 0)
{
err = EBADF;
goto errout;
}
int ret = OK;
/* Find the network device associated with the device name
* in the request data.
@@ -189,7 +165,7 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req)
dev = netdev_findbyname(req->ifr_name);
if (!dev)
{
err = EINVAL;
ret = -EINVAL;
goto errout;
}
@@ -244,13 +220,13 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req)
case SIOCGIFCOUNT: /* Get number of devices */
req->ifr_count = netdev_count();
err = ENOSYS;
break;
ret = -ENOSYS;
break;
case SIOCGIFBRDADDR: /* Get broadcast IP address */
case SIOCSIFBRDADDR: /* Set broadcast IP address */
err = ENOSYS;
goto errout;
ret = -ENOSYS;
break;
#ifdef CONFIG_NET_ARPIOCTLS
case SIOCSARP: /* Set a ARP mapping */
@@ -260,14 +236,156 @@ int netdev_ioctl(int sockfd, int cmd, struct ifreq *req)
#endif
default:
err = EINVAL;
goto errout;
ret = -EINVAL;
break;;
}
return OK;
errout:
return ret;
}
/****************************************************************************
* 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, struct ip_msfilter *imsf)
{
FAR struct uip_driver_s *dev;
int ret = OK;
/* Find the network device associated with the device name
* in the request data.
*/
dev = netdev_findbyname(imsf->imsf_name);
if (!dev)
{
ret = -EINVAL;
goto errout;
}
/* Execute the command */
switch (cmd)
{
case SIOCSIPMSFILTER: /* Set source filter content */
{
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 = -EINVAL;
break;
}
errout:
errno = err;
return ret;
}
#endif
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Name: netdev_ioctl
*
* Description:
* Perform network device specific operations.
*
* Parameters:
* sockfd Socket descriptor of device
* cmd The ioctl command
* req 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
* 'req' references an inaccessible memory area.
* EINVAL
* 'cmd' or 'req' 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) || !arg)
{
ret = -EINVAL;
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*)arg);
#ifdef CONFIG_NET_IGMP
if (ret == -EINVAL)
{
ret = netdev_imsfioctl(psock, cmd, (FAR struct ip_msfilter*)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;
}