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7d512c4c7cdda24bc32b36ed4fbe26d07389e336
esp8266/tools/sdk/lwip2/include/lwip/prot/nd6.h
david gauchard a1e59e9c01 update to lwIP-2.1.0: partial SACK support by default (de-selectable in menu) (#5126) 
* update to lwIP-2.1.0rc1: partial SACK support
fix #4176

* hash fix

* get some flash back due to mistake in conf (fragmentation & reassembly was incorrectly enabled)
(ahah I scared you)

* add missing include files

* update to lwip-2.1.0(release) + remove unused lwIP's include files

* lwIP release 2.1.0, SACK is now default, bigger, no-SACK is selectable

* fix ldscript

* pio

* rename 'sack' option to 'feat'ure option, + IP fragmentation/reassembly

* merge, fix pio

* change internal/hidden string

* pio: more lwip2 configuration: + without sack for no change in flash footprint
2018-10-09 16:27:27 -03:00

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/**
* @file
* ND6 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_ND6_H
#define LWIP_HDR_PROT_ND6_H
#include "lwip/arch.h"
#include "lwip/ip6_addr.h"
#include "lwip/prot/ip6.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Neighbor solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ns_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Neighbor advertisement message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct na_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FLD_8(u8_t reserved[3]);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define ND6_FLAG_ROUTER (0x80)
#define ND6_FLAG_SOLICITED (0x40)
#define ND6_FLAG_OVERRIDE (0x20)
/** Router solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct rs_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Router advertisement message header. */
#define ND6_RA_FLAG_MANAGED_ADDR_CONFIG (0x80)
#define ND6_RA_FLAG_OTHER_CONFIG (0x40)
#define ND6_RA_FLAG_HOME_AGENT (0x20)
#define ND6_RA_PREFERENCE_MASK (0x18)
#define ND6_RA_PREFERENCE_HIGH (0x08)
#define ND6_RA_PREFERENCE_MEDIUM (0x00)
#define ND6_RA_PREFERENCE_LOW (0x18)
#define ND6_RA_PREFERENCE_DISABLED (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ra_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t current_hop_limit);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u16_t router_lifetime);
PACK_STRUCT_FIELD(u32_t reachable_time);
PACK_STRUCT_FIELD(u32_t retrans_timer);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirect message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirect_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
PACK_STRUCT_FLD_S(ip6_addr_p_t destination_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Link-layer address option. */
#define ND6_OPTION_TYPE_SOURCE_LLADDR (0x01)
#define ND6_OPTION_TYPE_TARGET_LLADDR (0x02)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct lladdr_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t addr[NETIF_MAX_HWADDR_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Prefix information option. */
#define ND6_OPTION_TYPE_PREFIX_INFO (0x03)
#define ND6_PREFIX_FLAG_ON_LINK (0x80)
#define ND6_PREFIX_FLAG_AUTONOMOUS (0x40)
#define ND6_PREFIX_FLAG_ROUTER_ADDRESS (0x20)
#define ND6_PREFIX_FLAG_SITE_PREFIX (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct prefix_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u32_t valid_lifetime);
PACK_STRUCT_FIELD(u32_t preferred_lifetime);
PACK_STRUCT_FLD_8(u8_t reserved2[3]);
PACK_STRUCT_FLD_8(u8_t site_prefix_length);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirected header option. */
#define ND6_OPTION_TYPE_REDIR_HDR (0x04)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirected_header_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t reserved[6]);
/* Portion of redirected packet follows. */
/* PACK_STRUCT_FLD_8(u8_t redirected[8]); */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** MTU option. */
#define ND6_OPTION_TYPE_MTU (0x05)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct mtu_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FIELD(u32_t mtu);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Route information option. */
#define ND6_OPTION_TYPE_ROUTE_INFO (24)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct route_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t preference);
PACK_STRUCT_FIELD(u32_t route_lifetime);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Recursive DNS Server Option. */
#define ND6_OPTION_TYPE_RDNSS (25)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct rdnss_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FIELD(u32_t lifetime);
PACK_STRUCT_FLD_S(ip6_addr_p_t rdnss_address[1]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_RDNSS_OPTION_BASE 8 /* size without addresses */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ND6_H */
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