Add IGMP user interface

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2786 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 120 insertions, 0 deletions

diff --git a/nuttx/include/sys/sockio.h b/nuttx/include/sys/sockio.h
new file mode 100755
index 000000000..a63833756
--- /dev/null
+++ b/nuttx/include/sys/sockio.h
@@ -0,0 +1,120 @@
+/****************************************************************************
+ * include/sys/sockio.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 __SYS_SOCKIO_H
+#define __SYS_SOCKIO_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/* Get NuttX configuration and NuttX-specific network IOCTL definitions */
+
+#include <nuttx/config.h>
+#include <nuttx/ioctl.h>
+#include <net/ioctls.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 /* __SYS_SOCKIO_H */