IGMP header files
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include/net/uip/igmp.h
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86
include/net/uip/igmp.h
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/****************************************************************************
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* net/uip/igmp.h
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* User interface to IGMP
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* The NuttX implementation of IGMP was inspired by the IGMP add-on for the
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* lwIP TCP/IP stack by Steve Reynolds:
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*
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* Copyright (c) 2002 CITEL Technologies Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __NET_UIP_IGMP_H
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#define __NET_UIP_IGMP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <netinet/in.h>
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#ifdef CONFIG_NET_IGMP
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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# error "IGMP for IPv6 not supported"
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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EXTERN void igmp_joingroup(const FAR struct in_addr *grpaddr);
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EXTERN void igmp_leavegroup(const FAR struct in_addr *grpaddr);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* CONFIG_NET_IGMP */
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#endif /* __NET_UIP_IGMP_H */
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145
include/net/uip/uip-igmp.h
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145
include/net/uip/uip-igmp.h
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/****************************************************************************
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* net/uip/uip-igmp.h
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* The definitions in this header file are intended only for internal use
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* by the NuttX port of the uIP stack.
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* The NuttX implementation of IGMP was inspired by the IGMP add-on for the
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* lwIP TCP/IP stack by Steve Reynolds:
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*
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* Copyright (c) 2002 CITEL Technologies Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __NET_UIP_IGMP_H
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#define __NET_UIP_IGMP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <netinet/in.h>
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#ifdef CONFIG_NET_IGMP
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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# error "IGMP for IPv6 not supported"
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#endif
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/* IGMP packet types */
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#define IGMP_MEMBERSHIP_QUERY 0x11 /* Membership Query */
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#define IGMPv1_MEMBERSHIP_REPORT 0x12 /* IGMP Ver. 1 Membership Report */
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#define IGMPv2_MEMBERSHIP_REPORT 0x16 /* IGMP Ver. 2 Membership Report */
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#define IGMPv3_MEMBERSHIP_REPORT 0x22 /* IGMP Ver. 3 Membership Report */
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#define IGMP_LEAVE_GROUP 0x17 /* Leave Group */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* IGMPv2 packet structure as defined by RFC 2236.
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*
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* The Max Respone Time (maxresp) specifies the time limit for the
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* corresponding report. The field has a resolution of 100 miliseconds, the
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* value is taken directly. This field is meaningful only in Membership Query
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* (0x11); in other messages it is set to 0 and ignored by the receiver.
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*/
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struct uip_igmphdr_s
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{
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#ifdef CONFIG_NET_IPv6
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/* IPv6 Ip header */
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uint8_t vtc; /* Bits 0-3: version, bits 4-7: traffic class (MS) */
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uint8_t tcf; /* Bits 0-3: traffic class (LS), bits 4-7: flow label (MS) */
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uint16_t flow; /* 16-bit flow label (LS) */
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uint8_t len[2]; /* 16-bit Payload length */
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uint8_t proto; /* 8-bit Next header (same as IPv4 protocol field) */
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uint8_t ttl; /* 8-bit Hop limit (like IPv4 TTL field) */
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uip_ip6addr_t srcipaddr; /* 128-bit Source address */
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uip_ip6addr_t destipaddr; /* 128-bit Destination address */
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#else /* CONFIG_NET_IPv6 */
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/* IPv4 IP header */
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uint8_t vhl; /* 8-bit Version (4) and header length (5 or 6) */
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uint8_t tos; /* 8-bit Type of service (e.g., 6=TCP) */
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uint8_t len[2]; /* 16-bit Total length */
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uint8_t ipid[2]; /* 16-bit Identification */
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uint8_t ipoffset[2]; /* 16-bit IP flags + fragment offset */
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uint8_t ttl; /* 8-bit Time to Live */
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uint8_t proto; /* 8-bit Protocol */
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uint16_t ipchksum; /* 16-bit Header checksum */
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uint16_t srcipaddr[2]; /* 32-bit Source IP address */
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uint16_t destipaddr[2]; /* 32-bit Destination IP address */
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#endif /* CONFIG_NET_IPv6 */
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/* IGMP header */
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uint8_t type; /* 8-bit IGMP packet type */
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uint8_t maxresp; /* 8-bit Max response time */
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uint16_t chksum; /* 16-bit Checksum */
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uint16_t grpaddr[2]; /* 32-bit Group address */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* CONFIG_NET_IGMP */
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#endif /* __NET_UIP_IGMP_H */
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@ -209,6 +209,13 @@ EXTERN void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr);
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#endif /* CONFIG_NET_ICMP_PING */
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#endif /* CONFIG_NET_ICMP */
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#ifdef CONFIG_NET_IGMP
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/* Defined in uip_igmpinput.c ***********************************************/
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EXTERN void uip_igmpinput(struct uip_driver_s *dev);
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#endif /* CONFIG_NET_IGMP */
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#undef EXTERN
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#ifdef __cplusplus
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}
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