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/****************************************************************************
* include/sys/sockio.h
*
* Copyright (C) 2010, 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.
*
****************************************************************************/
#ifndef __INCLUDE_SYS_SOCKIO_H
#define __INCLUDE_SYS_SOCKIO_H
/****************************************************************************
* Included Files
****************************************************************************/
/* Get NuttX configuration and NuttX-specific network IOCTL definitions */
#include <nuttx/config.h>
#include <nuttx/fs/ioctl.h>
#include <nuttx/net/ioctl.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define IMSFNAMSIZ 8
/****************************************************************************
* Type Definitions
****************************************************************************/
/* RFC3678: IPv4 Options
*
* o ioctl() SIOCGIPMSFILTER: to retrieve the list of source addresses
* that comprise the source filter along with the current filter mode.
*
* o ioctl() SIOCSIPMSFILTER: to set or modify the source filter content
* (e.g., unicast source address list) or mode (exclude or include).
*
* Ioctl option Argument type
* ----------------------------- ----------------------
* SIOCGIPMSFILTER struct ip_msfilter
* SIOCSIPMSFILTER struct ip_msfilter
*
* The imsf_fmode mode is a 32-bit integer that identifies the filter
* mode. The value of this field must be either MCAST_INCLUDE or
* MCAST_EXCLUDE, which are likewise defined in <netinet/in.h>.
*/
#if 0 /* REVISIT: Current NuttX implementation is non-standard.
* Lookup is by device name, not IP address.
*/
struct ip_msfilter
{
struct in_addr imsf_multiaddr; /* IP multicast address of group */
struct in_addr imsf_interface; /* Local IP address of interface */
uint32_t imsf_fmode; /* Filter mode */
#ifdef CONFIG_NET_IGMPv3
uint32_t imsf_numsrc; /* number of sources in src_list */
struct in_addr imsf_slist[1]; /* start of source list */
#endif
};
#else
struct ip_msfilter
{
char imsf_name[IMSFNAMSIZ]; /* Network device name, e.g., "eth0" */
struct in_addr imsf_multiaddr; /* IP multicast address of group */
uint32_t imsf_fmode; /* Filter mode */
};
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __INCLUDE_SYS_SOCKIO_H */
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