commit a4a41b9023ef5b3a7c4a1cd82fb167fc63e706df Author: goldsimon <goldsimon@gmx.de> Date: Wed Sep 26 21:50:42 2012 +0200 - This also brings in LwIP's IPv6 codebase Signed-off-by: Tomas Hruby <tom@minix3.org>
152 lines
5.3 KiB
C
152 lines
5.3 KiB
C
/**
|
|
* @file
|
|
*
|
|
* IPv6 version of ICMP, as per RFC 4443.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2010 Inico Technologies Ltd.
|
|
* 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: Ivan Delamer <delamer@inicotech.com>
|
|
*
|
|
*
|
|
* Please coordinate changes and requests with Ivan Delamer
|
|
* <delamer@inicotech.com>
|
|
*/
|
|
#ifndef __LWIP_ICMP6_H__
|
|
#define __LWIP_ICMP6_H__
|
|
|
|
#include "lwip/opt.h"
|
|
#include "lwip/pbuf.h"
|
|
#include "lwip/ip6_addr.h"
|
|
#include "lwip/netif.h"
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
enum icmp6_type {
|
|
ICMP6_TYPE_DUR = 1, /* Destination unreachable */
|
|
ICMP6_TYPE_PTB = 2, /* Packet too big */
|
|
ICMP6_TYPE_TE = 3, /* Time exceeded */
|
|
ICMP6_TYPE_PP = 4, /* Parameter problem */
|
|
ICMP6_TYPE_PE1 = 100, /* Private experimentation */
|
|
ICMP6_TYPE_PE2 = 101, /* Private experimentation */
|
|
ICMP6_TYPE_RSV_ERR = 127, /* Reserved for expansion of error messages */
|
|
|
|
ICMP6_TYPE_EREQ = 128, /* Echo request */
|
|
ICMP6_TYPE_EREP = 129, /* Echo reply */
|
|
ICMP6_TYPE_MLQ = 130, /* Multicast listener query */
|
|
ICMP6_TYPE_MLR = 131, /* Multicast listener report */
|
|
ICMP6_TYPE_MLD = 132, /* Multicast listener done */
|
|
ICMP6_TYPE_RS = 133, /* Router solicitation */
|
|
ICMP6_TYPE_RA = 134, /* Router advertisement */
|
|
ICMP6_TYPE_NS = 135, /* Neighbor solicitation */
|
|
ICMP6_TYPE_NA = 136, /* Neighbor advertisement */
|
|
ICMP6_TYPE_RD = 137, /* Redirect */
|
|
ICMP6_TYPE_MRA = 151, /* Multicast router advertisement */
|
|
ICMP6_TYPE_MRS = 152, /* Multicast router solicitation */
|
|
ICMP6_TYPE_MRT = 153, /* Multicast router termination */
|
|
ICMP6_TYPE_PE3 = 200, /* Private experimentation */
|
|
ICMP6_TYPE_PE4 = 201, /* Private experimentation */
|
|
ICMP6_TYPE_RSV_INF = 255 /* Reserved for expansion of informational messages */
|
|
};
|
|
|
|
enum icmp6_dur_code {
|
|
ICMP6_DUR_NO_ROUTE = 0, /* No route to destination */
|
|
ICMP6_DUR_PROHIBITED = 1, /* Communication with destination administratively prohibited */
|
|
ICMP6_DUR_SCOPE = 2, /* Beyond scope of source address */
|
|
ICMP6_DUR_ADDRESS = 3, /* Address unreachable */
|
|
ICMP6_DUR_PORT = 4, /* Port unreachable */
|
|
ICMP6_DUR_POLICY = 5, /* Source address failed ingress/egress policy */
|
|
ICMP6_DUR_REJECT_ROUTE = 6 /* Reject route to destination */
|
|
};
|
|
|
|
enum icmp6_te_code {
|
|
ICMP6_TE_HL = 0, /* Hop limit exceeded in transit */
|
|
ICMP6_TE_FRAG = 1 /* Fragment reassembly time exceeded */
|
|
};
|
|
|
|
enum icmp6_pp_code {
|
|
ICMP6_PP_FIELD = 0, /* Erroneous header field encountered */
|
|
ICMP6_PP_HEADER = 1, /* Unrecognized next header type encountered */
|
|
ICMP6_PP_OPTION = 2 /* Unrecognized IPv6 option encountered */
|
|
};
|
|
|
|
/** This is the standard ICMP6 header. */
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
|
# include "arch/bpstruct.h"
|
|
#endif
|
|
PACK_STRUCT_BEGIN
|
|
struct icmp6_hdr {
|
|
PACK_STRUCT_FIELD(u8_t type);
|
|
PACK_STRUCT_FIELD(u8_t code);
|
|
PACK_STRUCT_FIELD(u16_t chksum);
|
|
PACK_STRUCT_FIELD(u32_t data);
|
|
} PACK_STRUCT_STRUCT;
|
|
PACK_STRUCT_END
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
|
# include "arch/epstruct.h"
|
|
#endif
|
|
|
|
/** This is the ICMP6 header adapted for echo req/resp. */
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
|
# include "arch/bpstruct.h"
|
|
#endif
|
|
PACK_STRUCT_BEGIN
|
|
struct icmp6_echo_hdr {
|
|
PACK_STRUCT_FIELD(u8_t type);
|
|
PACK_STRUCT_FIELD(u8_t code);
|
|
PACK_STRUCT_FIELD(u16_t chksum);
|
|
PACK_STRUCT_FIELD(u16_t id);
|
|
PACK_STRUCT_FIELD(u16_t seqno);
|
|
} PACK_STRUCT_STRUCT;
|
|
PACK_STRUCT_END
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
|
# include "arch/epstruct.h"
|
|
#endif
|
|
|
|
|
|
#if LWIP_ICMP6 && LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
|
|
|
|
void icmp6_input(struct pbuf *p, struct netif *inp);
|
|
void icmp6_dest_unreach(struct pbuf *p, enum icmp6_dur_code c);
|
|
void icmp6_packet_too_big(struct pbuf *p, u32_t mtu);
|
|
void icmp6_time_exceeded(struct pbuf *p, enum icmp6_te_code c);
|
|
void icmp6_param_problem(struct pbuf *p, enum icmp6_pp_code c, u32_t pointer);
|
|
|
|
#endif /* LWIP_ICMP6 && LWIP_IPV6 */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* __LWIP_ICMP6_H__ */
|