diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/prot/igmp.h')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/prot/igmp.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/prot/igmp.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/prot/igmp.h new file mode 100644 index 0000000..d60cb31 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/include/lwip/prot/igmp.h @@ -0,0 +1,90 @@ +/** + * @file + * IGMP protocol definitions + */ + +/* + * Copyright (c) 2001-2004 Swedish Institute of Computer Science. + * All rights reserved. + * + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Adam Dunkels <adam@sics.se> + * + */ +#ifndef LWIP_HDR_PROT_IGMP_H +#define LWIP_HDR_PROT_IGMP_H + +#include "lwip/arch.h" +#include "lwip/ip4_addr.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * IGMP constants + */ +#define IGMP_TTL 1 +#define IGMP_MINLEN 8 +#define ROUTER_ALERT 0x9404U +#define ROUTER_ALERTLEN 4 + +/* + * IGMP message types, including version number. + */ +#define IGMP_MEMB_QUERY 0x11 /* Membership query */ +#define IGMP_V1_MEMB_REPORT 0x12 /* Ver. 1 membership report */ +#define IGMP_V2_MEMB_REPORT 0x16 /* Ver. 2 membership report */ +#define IGMP_LEAVE_GROUP 0x17 /* Leave-group message */ + +/* Group membership states */ +#define IGMP_GROUP_NON_MEMBER 0 +#define IGMP_GROUP_DELAYING_MEMBER 1 +#define IGMP_GROUP_IDLE_MEMBER 2 + +/** + * IGMP packet format. + */ +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/bpstruct.h" +#endif +PACK_STRUCT_BEGIN +struct igmp_msg { + PACK_STRUCT_FLD_8(u8_t igmp_msgtype); + PACK_STRUCT_FLD_8(u8_t igmp_maxresp); + PACK_STRUCT_FIELD(u16_t igmp_checksum); + PACK_STRUCT_FLD_S(ip4_addr_p_t igmp_group_address); +} PACK_STRUCT_STRUCT; +PACK_STRUCT_END +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/epstruct.h" +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* LWIP_HDR_PROT_IGMP_H */ |