Merge branch 'master' of git.sv.gnu.org:/srv/git/lwip

Conflicts:
	src/core/tcp_out.c
	src/include/ipv4/lwip/ip4_addr.h
This commit is contained in:
Simon Goldschmidt 2014-02-07 09:40:10 +01:00
commit 2dab478c3f
4 changed files with 2083 additions and 2083 deletions

File diff suppressed because it is too large Load Diff

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@ -94,12 +94,12 @@ struct in_addr {
#define IN_LOOPBACKNET IP_LOOPBACKNET
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
#endif
#if LWIP_IPV6
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
#ifndef INET6_ADDRSTRLEN
#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
#endif
#endif

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@ -1,247 +1,247 @@
/*
* 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_IP4_ADDR_H__
#define __LWIP_IP4_ADDR_H__
#include "lwip/opt.h"
#include "lwip/def.h"
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip_addr_t,
used as local variable, on the stack, etc. */
struct ip_addr {
u32_t addr;
};
/* This is the packed version of ip_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip_addr_packed {
PACK_STRUCT_FIELD(u32_t addr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** ip_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip_addr_t as well as on ip_addr_p_t. */
typedef struct ip_addr ip_addr_t;
typedef struct ip_addr_packed ip_addr_p_t;
/*
* struct ipaddr2 is used in the definition of the ARP packet format in
* order to support compilers that don't have structure packing.
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip_addr2 {
PACK_STRUCT_FIELD(u16_t addrw[2]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Forward declaration to not include netif.h */
struct netif;
extern const ip_addr_t ip_addr_any;
extern const ip_addr_t ip_addr_broadcast;
/** IP_ADDR_ can be used as a fixed IP address
* for the wildcard and the broadcast address
*/
#define IP_ADDR_ANY ((ip_addr_t *)&ip_addr_any)
#define IP_ADDR_BROADCAST ((ip_addr_t *)&ip_addr_broadcast)
/** 255.255.255.255 */
#define IPADDR_NONE ((u32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((u32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
/* Definitions of the bits in an Internet address integer.
On subnets, host and network parts are found according to
the subnet mask, not these masks. */
#define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
#define IP_CLASSA_NET 0xff000000
#define IP_CLASSA_NSHIFT 24
#define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET)
#define IP_CLASSA_MAX 128
#define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
#define IP_CLASSB_NET 0xffff0000
#define IP_CLASSB_NSHIFT 16
#define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET)
#define IP_CLASSB_MAX 65536
#define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
#define IP_CLASSC_NET 0xffffff00
#define IP_CLASSC_NSHIFT 8
#define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET)
#define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
#define IP_CLASSD_NET 0xf0000000 /* These ones aren't really */
#define IP_CLASSD_NSHIFT 28 /* net and host fields, but */
#define IP_CLASSD_HOST 0x0fffffff /* routing needn't know. */
#define IP_MULTICAST(a) IP_CLASSD(a)
#define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_LOOPBACKNET 127 /* official! */
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IP address given by the four byte-parts */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IP address given by the four byte-parts.
Little-endian version that prevents the use of htonl. */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** MEMCPY-like copying of IP addresses where addresses are known to be
* 16-bit-aligned if the port is correctly configured (so a port could define
* this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
#ifndef IPADDR2_COPY
#define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip_addr_t))
#endif
/** Copy IP address - faster than ip_addr_set: no NULL check */
#define ip_addr_copy(dest, src) ((dest).addr = (src).addr)
/** Safely copy one IP address to another (src may be NULL) */
#define ip_addr_set(dest, src) ((dest)->addr = \
((src) == NULL ? 0 : \
(src)->addr))
/** Set complete address to zero */
#define ip_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
/** Set address to IPADDR_ANY (no need for htonl()) */
#define ip_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
/** Set address to loopback address */
#define ip_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
/** Safely copy one IP address to another and change byte order
* from host- to network-order. */
#define ip_addr_set_hton(dest, src) ((dest)->addr = \
((src) == NULL ? 0:\
htonl((src)->addr)))
/** IPv4 only: set the IP address given as an u32_t */
#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
/** IPv4 only: get the IP address as an u32_t */
#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
/** Get the network address by combining host address with netmask */
#define ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr))
/**
* Determine if two address are on the same network.
*
* @arg addr1 IP address 1
* @arg addr2 IP address 2
* @arg mask network identifier mask
* @return !0 if the network identifiers of both address match
*/
#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
(mask)->addr) == \
((addr2)->addr & \
(mask)->addr))
#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
#define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == IPADDR_ANY)
#define ip_addr_isbroadcast(ipaddr, netif) ip4_addr_isbroadcast((ipaddr)->addr, (netif))
u8_t ip4_addr_isbroadcast(u32_t addr, const struct netif *netif);
#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
u8_t ip4_addr_netmask_valid(u32_t netmask);
#define ip_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
#define ip_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
#define ip_addr_debug_print(debug, ipaddr) \
LWIP_DEBUGF(debug, ("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, \
ipaddr != NULL ? ip4_addr1_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr2_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr3_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr4_16(ipaddr) : 0))
/* Get one byte from the 4-byte address */
#define ip4_addr1(ipaddr) (((u8_t*)(ipaddr))[0])
#define ip4_addr2(ipaddr) (((u8_t*)(ipaddr))[1])
#define ip4_addr3(ipaddr) (((u8_t*)(ipaddr))[2])
#define ip4_addr4(ipaddr) (((u8_t*)(ipaddr))[3])
/* These are cast to u16_t, with the intent that they are often arguments
* to printf using the U16_F format from cc.h. */
#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
#define IP4ADDR_STRLEN_MAX 16
#define IPADDR_STRLEN_MAX IP4ADDR_STRLEN_MAX
/** For backwards compatibility */
#define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr)
u32_t ipaddr_addr(const char *cp);
int ipaddr_aton(const char *cp, ip_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ipaddr_ntoa(const ip_addr_t *addr);
char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* __LWIP_IP_ADDR_H__ */
/*
* 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_IP4_ADDR_H__
#define __LWIP_IP4_ADDR_H__
#include "lwip/opt.h"
#include "lwip/def.h"
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip_addr_t,
used as local variable, on the stack, etc. */
struct ip_addr {
u32_t addr;
};
/* This is the packed version of ip_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip_addr_packed {
PACK_STRUCT_FIELD(u32_t addr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** ip_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip_addr_t as well as on ip_addr_p_t. */
typedef struct ip_addr ip_addr_t;
typedef struct ip_addr_packed ip_addr_p_t;
/*
* struct ipaddr2 is used in the definition of the ARP packet format in
* order to support compilers that don't have structure packing.
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip_addr2 {
PACK_STRUCT_FIELD(u16_t addrw[2]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Forward declaration to not include netif.h */
struct netif;
extern const ip_addr_t ip_addr_any;
extern const ip_addr_t ip_addr_broadcast;
/** IP_ADDR_ can be used as a fixed IP address
* for the wildcard and the broadcast address
*/
#define IP_ADDR_ANY ((ip_addr_t *)&ip_addr_any)
#define IP_ADDR_BROADCAST ((ip_addr_t *)&ip_addr_broadcast)
/** 255.255.255.255 */
#define IPADDR_NONE ((u32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((u32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((u32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((u32_t)0xffffffffUL)
/* Definitions of the bits in an Internet address integer.
On subnets, host and network parts are found according to
the subnet mask, not these masks. */
#define IP_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
#define IP_CLASSA_NET 0xff000000
#define IP_CLASSA_NSHIFT 24
#define IP_CLASSA_HOST (0xffffffff & ~IP_CLASSA_NET)
#define IP_CLASSA_MAX 128
#define IP_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
#define IP_CLASSB_NET 0xffff0000
#define IP_CLASSB_NSHIFT 16
#define IP_CLASSB_HOST (0xffffffff & ~IP_CLASSB_NET)
#define IP_CLASSB_MAX 65536
#define IP_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
#define IP_CLASSC_NET 0xffffff00
#define IP_CLASSC_NSHIFT 8
#define IP_CLASSC_HOST (0xffffffff & ~IP_CLASSC_NET)
#define IP_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
#define IP_CLASSD_NET 0xf0000000 /* These ones aren't really */
#define IP_CLASSD_NSHIFT 28 /* net and host fields, but */
#define IP_CLASSD_HOST 0x0fffffff /* routing needn't know. */
#define IP_MULTICAST(a) IP_CLASSD(a)
#define IP_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
#define IP_LOOPBACKNET 127 /* official! */
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IP address given by the four byte-parts */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IP address given by the four byte-parts.
Little-endian version that prevents the use of htonl. */
#define IP4_ADDR(ipaddr, a,b,c,d) \
(ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** MEMCPY-like copying of IP addresses where addresses are known to be
* 16-bit-aligned if the port is correctly configured (so a port could define
* this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
#ifndef IPADDR2_COPY
#define IPADDR2_COPY(dest, src) SMEMCPY(dest, src, sizeof(ip_addr_t))
#endif
/** Copy IP address - faster than ip_addr_set: no NULL check */
#define ip_addr_copy(dest, src) ((dest).addr = (src).addr)
/** Safely copy one IP address to another (src may be NULL) */
#define ip_addr_set(dest, src) ((dest)->addr = \
((src) == NULL ? 0 : \
(src)->addr))
/** Set complete address to zero */
#define ip_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
/** Set address to IPADDR_ANY (no need for htonl()) */
#define ip_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
/** Set address to loopback address */
#define ip_addr_set_loopback(ipaddr) ((ipaddr)->addr = PP_HTONL(IPADDR_LOOPBACK))
/** Safely copy one IP address to another and change byte order
* from host- to network-order. */
#define ip_addr_set_hton(dest, src) ((dest)->addr = \
((src) == NULL ? 0:\
htonl((src)->addr)))
/** IPv4 only: set the IP address given as an u32_t */
#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
/** IPv4 only: get the IP address as an u32_t */
#define ip4_addr_get_u32(src_ipaddr) ((src_ipaddr)->addr)
/** Get the network address by combining host address with netmask */
#define ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr))
/**
* Determine if two address are on the same network.
*
* @arg addr1 IP address 1
* @arg addr2 IP address 2
* @arg mask network identifier mask
* @return !0 if the network identifiers of both address match
*/
#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
(mask)->addr) == \
((addr2)->addr & \
(mask)->addr))
#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
#define ip_addr_isany(addr1) ((addr1) == NULL || (addr1)->addr == IPADDR_ANY)
#define ip_addr_isbroadcast(ipaddr, netif) ip4_addr_isbroadcast((ipaddr)->addr, (netif))
u8_t ip4_addr_isbroadcast(u32_t addr, const struct netif *netif);
#define ip_addr_netmask_valid(netmask) ip4_addr_netmask_valid((netmask)->addr)
u8_t ip4_addr_netmask_valid(u32_t netmask);
#define ip_addr_ismulticast(addr1) (((addr1)->addr & PP_HTONL(0xf0000000UL)) == PP_HTONL(0xe0000000UL))
#define ip_addr_islinklocal(addr1) (((addr1)->addr & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xa9fe0000UL))
#define ip_addr_debug_print(debug, ipaddr) \
LWIP_DEBUGF(debug, ("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, \
ipaddr != NULL ? ip4_addr1_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr2_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr3_16(ipaddr) : 0, \
ipaddr != NULL ? ip4_addr4_16(ipaddr) : 0))
/* Get one byte from the 4-byte address */
#define ip4_addr1(ipaddr) (((u8_t*)(ipaddr))[0])
#define ip4_addr2(ipaddr) (((u8_t*)(ipaddr))[1])
#define ip4_addr3(ipaddr) (((u8_t*)(ipaddr))[2])
#define ip4_addr4(ipaddr) (((u8_t*)(ipaddr))[3])
/* These are cast to u16_t, with the intent that they are often arguments
* to printf using the U16_F format from cc.h. */
#define ip4_addr1_16(ipaddr) ((u16_t)ip4_addr1(ipaddr))
#define ip4_addr2_16(ipaddr) ((u16_t)ip4_addr2(ipaddr))
#define ip4_addr3_16(ipaddr) ((u16_t)ip4_addr3(ipaddr))
#define ip4_addr4_16(ipaddr) ((u16_t)ip4_addr4(ipaddr))
#define IP4ADDR_STRLEN_MAX 16
#define IPADDR_STRLEN_MAX IP4ADDR_STRLEN_MAX
/** For backwards compatibility */
#define ip_ntoa(ipaddr) ipaddr_ntoa(ipaddr)
u32_t ipaddr_addr(const char *cp);
int ipaddr_aton(const char *cp, ip_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ipaddr_ntoa(const ip_addr_t *addr);
char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* __LWIP_IP_ADDR_H__ */

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@ -1,289 +1,289 @@
/**
* @file
*
* IPv6 addresses.
*/
/*
* 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>
*
* Structs and macros for handling IPv6 addresses.
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef __LWIP_IP6_ADDR_H__
#define __LWIP_IP6_ADDR_H__
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip6_addr_t,
used as local variable, on the stack, etc. */
struct ip6_addr {
u32_t addr[4];
};
/* This is the packed version of ip6_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_addr_packed {
PACK_STRUCT_FIELD(u32_t addr[4]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** ip6_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip6_addr_t as well as on ip6_addr_p_t. */
typedef struct ip6_addr ip6_addr_t;
typedef struct ip6_addr_packed ip6_addr_p_t;
/** IP6_ADDR_ANY can be used as a fixed IPv6 address
* for the wildcard
*/
extern const ip6_addr_t ip6_addr_any;
#define IP6_ADDR_ANY ((ip6_addr_t *)&ip6_addr_any)
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IPv6 partial address given by byte-parts. */
#define IP6_ADDR(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IPv6 partial address given by byte-parts.
Little-endian version, stored in network order (no htonl). */
#define IP6_ADDR(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** Access address in 16-bit block */
#define IP6_ADDR_BLOCK1(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK2(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0])) & 0xffff)
#define IP6_ADDR_BLOCK3(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK4(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1])) & 0xffff)
#define IP6_ADDR_BLOCK5(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK6(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2])) & 0xffff)
#define IP6_ADDR_BLOCK7(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK8(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3])) & 0xffff)
/** Copy IPv6 address - faster than ip6_addr_set: no NULL check */
#define ip6_addr_copy(dest, src) do{(dest).addr[0] = (src).addr[0]; \
(dest).addr[1] = (src).addr[1]; \
(dest).addr[2] = (src).addr[2]; \
(dest).addr[3] = (src).addr[3];}while(0)
/** Safely copy one IPv6 address to another (src may be NULL) */
#define ip6_addr_set(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : (src)->addr[0]; \
(dest)->addr[1] = (src) == NULL ? 0 : (src)->addr[1]; \
(dest)->addr[2] = (src) == NULL ? 0 : (src)->addr[2]; \
(dest)->addr[3] = (src) == NULL ? 0 : (src)->addr[3];}while(0)
/** Set complete address to zero */
#define ip6_addr_set_zero(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = 0;}while(0)
/** Set address to ipv6 'any' (no need for htonl()) */
#define ip6_addr_set_any(ip6addr) ip6_addr_set_zero(ip6addr)
/** Set address to ipv6 loopback address */
#define ip6_addr_set_loopback(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
/** Safely copy one IPv6 address to another and change byte order
* from host- to network-order. */
#define ip6_addr_set_hton(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : htonl((src)->addr[0]); \
(dest)->addr[1] = (src) == NULL ? 0 : htonl((src)->addr[1]); \
(dest)->addr[2] = (src) == NULL ? 0 : htonl((src)->addr[2]); \
(dest)->addr[3] = (src) == NULL ? 0 : htonl((src)->addr[3]);}while(0)
/**
* Determine if two IPv6 address are on the same network.
*
* @arg addr1 IPv6 address 1
* @arg addr2 IPv6 address 2
* @return !0 if the network identifiers of both address match
*/
#define ip6_addr_netcmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]))
#define ip6_addr_cmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]) && \
((addr1)->addr[2] == (addr2)->addr[2]) && \
((addr1)->addr[3] == (addr2)->addr[3]))
#define ip6_get_subnet_id(ip6addr) (htonl((ip6addr)->addr[2]) & 0x0000ffffUL)
#define ip6_addr_isany(ip6addr) (((ip6addr) == NULL) || \
(((ip6addr)->addr[0] == 0) && \
((ip6addr)->addr[1] == 0) && \
((ip6addr)->addr[2] == 0) && \
((ip6addr)->addr[3] == 0)))
#define ip6_addr_isloopback(ip6addr) (((ip6addr)->addr[0] == 0UL) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isglobal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xe0000000UL)) == PP_HTONL(0x20000000UL))
#define ip6_addr_islinklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfe800000UL))
#define ip6_addr_issitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfec00000UL))
#define ip6_addr_isuniquelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xfe000000UL)) == PP_HTONL(0xfc000000UL))
#define ip6_addr_ismulticast(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL))
#define ip6_addr_multicast_transient_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00100000UL))
#define ip6_addr_multicast_prefix_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00200000UL))
#define ip6_addr_multicast_rendezvous_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00400000UL))
#define ip6_addr_multicast_scope(ip6addr) ((htonl((ip6addr)->addr[0]) >> 16) & 0xf)
#define IP6_MULTICAST_SCOPE_RESERVED 0x0
#define IP6_MULTICAST_SCOPE_RESERVED0 0x0
#define IP6_MULTICAST_SCOPE_INTERFACE_LOCAL 0x1
#define IP6_MULTICAST_SCOPE_LINK_LOCAL 0x2
#define IP6_MULTICAST_SCOPE_RESERVED3 0x3
#define IP6_MULTICAST_SCOPE_ADMIN_LOCAL 0x4
#define IP6_MULTICAST_SCOPE_SITE_LOCAL 0x5
#define IP6_MULTICAST_SCOPE_ORGANIZATION_LOCAL 0x8
#define IP6_MULTICAST_SCOPE_GLOBAL 0xe
#define IP6_MULTICAST_SCOPE_RESERVEDF 0xf
#define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff010000UL))
#define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff020000UL))
#define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff040000UL))
#define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff050000UL))
#define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff080000UL))
#define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff0e0000UL))
/* TODO define get/set for well-know multicast addresses, e.g. ff02::1 */
#define ip6_addr_isallnodes_iflocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff010000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isallnodes_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_set_allnodes_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
#define ip6_addr_isallrouters_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000002UL)))
#define ip6_addr_set_allrouters_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000002UL);}while(0)
#define ip6_addr_issolicitednode(ip6addr) ( ((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
(((ip6addr)->addr[3] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL)) )
#define ip6_addr_set_solicitednode(ip6addr, if_id) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = PP_HTONL(0x00000001UL); \
(ip6addr)->addr[3] = (PP_HTONL(0xff000000UL) | (if_id));}while(0)
#define ip6_addr_cmp_solicitednode(ip6addr, sn_addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
((ip6addr)->addr[3] == (PP_HTONL(0xff000000UL) | (sn_addr)->addr[3])))
/* IPv6 address states. */
#define IP6_ADDR_INVALID 0x00
#define IP6_ADDR_TENTATIVE 0x08
#define IP6_ADDR_TENTATIVE_1 0x09 /* 1 probe sent */
#define IP6_ADDR_TENTATIVE_2 0x0a /* 2 probes sent */
#define IP6_ADDR_TENTATIVE_3 0x0b /* 3 probes sent */
#define IP6_ADDR_TENTATIVE_4 0x0c /* 4 probes sent */
#define IP6_ADDR_TENTATIVE_5 0x0d /* 5 probes sent */
#define IP6_ADDR_TENTATIVE_6 0x0e /* 6 probes sent */
#define IP6_ADDR_TENTATIVE_7 0x0f /* 7 probes sent */
#define IP6_ADDR_VALID 0x10
#define IP6_ADDR_PREFERRED 0x30
#define IP6_ADDR_DEPRECATED 0x50
#define ip6_addr_isinvalid(addr_state) (addr_state == IP6_ADDR_INVALID)
#define ip6_addr_istentative(addr_state) (addr_state & IP6_ADDR_TENTATIVE)
#define ip6_addr_isvalid(addr_state) (addr_state & IP6_ADDR_VALID) /* Include valid, preferred, and deprecated. */
#define ip6_addr_ispreferred(addr_state) (addr_state == IP6_ADDR_PREFERRED)
#define ip6_addr_isdeprecated(addr_state) (addr_state == IP6_ADDR_DEPRECATED)
#define ip6_addr_debug_print(debug, ipaddr) \
LWIP_DEBUGF(debug, ("%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F, \
ipaddr != NULL ? IP6_ADDR_BLOCK1(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK2(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK3(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK4(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK5(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK6(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK7(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK8(ipaddr) : 0))
#define IP6ADDR_STRLEN_MAX 46
int ip6addr_aton(const char *cp, ip6_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ip6addr_ntoa(const ip6_addr_t *addr);
char *ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* __LWIP_IP6_ADDR_H__ */
/**
* @file
*
* IPv6 addresses.
*/
/*
* 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>
*
* Structs and macros for handling IPv6 addresses.
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef __LWIP_IP6_ADDR_H__
#define __LWIP_IP6_ADDR_H__
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#ifdef __cplusplus
extern "C" {
#endif
/* This is the aligned version of ip6_addr_t,
used as local variable, on the stack, etc. */
struct ip6_addr {
u32_t addr[4];
};
/* This is the packed version of ip6_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_addr_packed {
PACK_STRUCT_FIELD(u32_t addr[4]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** ip6_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip6_addr_t as well as on ip6_addr_p_t. */
typedef struct ip6_addr ip6_addr_t;
typedef struct ip6_addr_packed ip6_addr_p_t;
/** IP6_ADDR_ANY can be used as a fixed IPv6 address
* for the wildcard
*/
extern const ip6_addr_t ip6_addr_any;
#define IP6_ADDR_ANY ((ip6_addr_t *)&ip6_addr_any)
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IPv6 partial address given by byte-parts. */
#define IP6_ADDR(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IPv6 partial address given by byte-parts.
Little-endian version, stored in network order (no htonl). */
#define IP6_ADDR(ip6addr, index, a,b,c,d) \
(ip6addr)->addr[index] = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** Access address in 16-bit block */
#define IP6_ADDR_BLOCK1(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK2(ip6addr) ((u16_t)(htonl((ip6addr)->addr[0])) & 0xffff)
#define IP6_ADDR_BLOCK3(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK4(ip6addr) ((u16_t)(htonl((ip6addr)->addr[1])) & 0xffff)
#define IP6_ADDR_BLOCK5(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK6(ip6addr) ((u16_t)(htonl((ip6addr)->addr[2])) & 0xffff)
#define IP6_ADDR_BLOCK7(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3]) >> 16) & 0xffff)
#define IP6_ADDR_BLOCK8(ip6addr) ((u16_t)(htonl((ip6addr)->addr[3])) & 0xffff)
/** Copy IPv6 address - faster than ip6_addr_set: no NULL check */
#define ip6_addr_copy(dest, src) do{(dest).addr[0] = (src).addr[0]; \
(dest).addr[1] = (src).addr[1]; \
(dest).addr[2] = (src).addr[2]; \
(dest).addr[3] = (src).addr[3];}while(0)
/** Safely copy one IPv6 address to another (src may be NULL) */
#define ip6_addr_set(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : (src)->addr[0]; \
(dest)->addr[1] = (src) == NULL ? 0 : (src)->addr[1]; \
(dest)->addr[2] = (src) == NULL ? 0 : (src)->addr[2]; \
(dest)->addr[3] = (src) == NULL ? 0 : (src)->addr[3];}while(0)
/** Set complete address to zero */
#define ip6_addr_set_zero(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = 0;}while(0)
/** Set address to ipv6 'any' (no need for htonl()) */
#define ip6_addr_set_any(ip6addr) ip6_addr_set_zero(ip6addr)
/** Set address to ipv6 loopback address */
#define ip6_addr_set_loopback(ip6addr) do{(ip6addr)->addr[0] = 0; \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
/** Safely copy one IPv6 address to another and change byte order
* from host- to network-order. */
#define ip6_addr_set_hton(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : htonl((src)->addr[0]); \
(dest)->addr[1] = (src) == NULL ? 0 : htonl((src)->addr[1]); \
(dest)->addr[2] = (src) == NULL ? 0 : htonl((src)->addr[2]); \
(dest)->addr[3] = (src) == NULL ? 0 : htonl((src)->addr[3]);}while(0)
/**
* Determine if two IPv6 address are on the same network.
*
* @arg addr1 IPv6 address 1
* @arg addr2 IPv6 address 2
* @return !0 if the network identifiers of both address match
*/
#define ip6_addr_netcmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]))
#define ip6_addr_cmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
((addr1)->addr[1] == (addr2)->addr[1]) && \
((addr1)->addr[2] == (addr2)->addr[2]) && \
((addr1)->addr[3] == (addr2)->addr[3]))
#define ip6_get_subnet_id(ip6addr) (htonl((ip6addr)->addr[2]) & 0x0000ffffUL)
#define ip6_addr_isany(ip6addr) (((ip6addr) == NULL) || \
(((ip6addr)->addr[0] == 0) && \
((ip6addr)->addr[1] == 0) && \
((ip6addr)->addr[2] == 0) && \
((ip6addr)->addr[3] == 0)))
#define ip6_addr_isloopback(ip6addr) (((ip6addr)->addr[0] == 0UL) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isglobal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xe0000000UL)) == PP_HTONL(0x20000000UL))
#define ip6_addr_islinklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfe800000UL))
#define ip6_addr_issitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffc00000UL)) == PP_HTONL(0xfec00000UL))
#define ip6_addr_isuniquelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xfe000000UL)) == PP_HTONL(0xfc000000UL))
#define ip6_addr_ismulticast(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL))
#define ip6_addr_multicast_transient_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00100000UL))
#define ip6_addr_multicast_prefix_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00200000UL))
#define ip6_addr_multicast_rendezvous_flag(ip6addr) ((ip6addr)->addr[0] & PP_HTONL(0x00400000UL))
#define ip6_addr_multicast_scope(ip6addr) ((htonl((ip6addr)->addr[0]) >> 16) & 0xf)
#define IP6_MULTICAST_SCOPE_RESERVED 0x0
#define IP6_MULTICAST_SCOPE_RESERVED0 0x0
#define IP6_MULTICAST_SCOPE_INTERFACE_LOCAL 0x1
#define IP6_MULTICAST_SCOPE_LINK_LOCAL 0x2
#define IP6_MULTICAST_SCOPE_RESERVED3 0x3
#define IP6_MULTICAST_SCOPE_ADMIN_LOCAL 0x4
#define IP6_MULTICAST_SCOPE_SITE_LOCAL 0x5
#define IP6_MULTICAST_SCOPE_ORGANIZATION_LOCAL 0x8
#define IP6_MULTICAST_SCOPE_GLOBAL 0xe
#define IP6_MULTICAST_SCOPE_RESERVEDF 0xf
#define ip6_addr_ismulticast_iflocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff010000UL))
#define ip6_addr_ismulticast_linklocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff020000UL))
#define ip6_addr_ismulticast_adminlocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff040000UL))
#define ip6_addr_ismulticast_sitelocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff050000UL))
#define ip6_addr_ismulticast_orglocal(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff080000UL))
#define ip6_addr_ismulticast_global(ip6addr) (((ip6addr)->addr[0] & PP_HTONL(0xffff0000UL)) == PP_HTONL(0xff0e0000UL))
/* TODO define get/set for well-know multicast addresses, e.g. ff02::1 */
#define ip6_addr_isallnodes_iflocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff010000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_isallnodes_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000001UL)))
#define ip6_addr_set_allnodes_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000001UL);}while(0)
#define ip6_addr_isallrouters_linklocal(ip6addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0UL) && \
((ip6addr)->addr[2] == 0UL) && \
((ip6addr)->addr[3] == PP_HTONL(0x00000002UL)))
#define ip6_addr_set_allrouters_linklocal(ip6addr) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = 0; \
(ip6addr)->addr[3] = PP_HTONL(0x00000002UL);}while(0)
#define ip6_addr_issolicitednode(ip6addr) ( ((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
(((ip6addr)->addr[3] & PP_HTONL(0xff000000UL)) == PP_HTONL(0xff000000UL)) )
#define ip6_addr_set_solicitednode(ip6addr, if_id) do{(ip6addr)->addr[0] = PP_HTONL(0xff020000UL); \
(ip6addr)->addr[1] = 0; \
(ip6addr)->addr[2] = PP_HTONL(0x00000001UL); \
(ip6addr)->addr[3] = (PP_HTONL(0xff000000UL) | (if_id));}while(0)
#define ip6_addr_cmp_solicitednode(ip6addr, sn_addr) (((ip6addr)->addr[0] == PP_HTONL(0xff020000UL)) && \
((ip6addr)->addr[1] == 0) && \
((ip6addr)->addr[2] == PP_HTONL(0x00000001UL)) && \
((ip6addr)->addr[3] == (PP_HTONL(0xff000000UL) | (sn_addr)->addr[3])))
/* IPv6 address states. */
#define IP6_ADDR_INVALID 0x00
#define IP6_ADDR_TENTATIVE 0x08
#define IP6_ADDR_TENTATIVE_1 0x09 /* 1 probe sent */
#define IP6_ADDR_TENTATIVE_2 0x0a /* 2 probes sent */
#define IP6_ADDR_TENTATIVE_3 0x0b /* 3 probes sent */
#define IP6_ADDR_TENTATIVE_4 0x0c /* 4 probes sent */
#define IP6_ADDR_TENTATIVE_5 0x0d /* 5 probes sent */
#define IP6_ADDR_TENTATIVE_6 0x0e /* 6 probes sent */
#define IP6_ADDR_TENTATIVE_7 0x0f /* 7 probes sent */
#define IP6_ADDR_VALID 0x10
#define IP6_ADDR_PREFERRED 0x30
#define IP6_ADDR_DEPRECATED 0x50
#define ip6_addr_isinvalid(addr_state) (addr_state == IP6_ADDR_INVALID)
#define ip6_addr_istentative(addr_state) (addr_state & IP6_ADDR_TENTATIVE)
#define ip6_addr_isvalid(addr_state) (addr_state & IP6_ADDR_VALID) /* Include valid, preferred, and deprecated. */
#define ip6_addr_ispreferred(addr_state) (addr_state == IP6_ADDR_PREFERRED)
#define ip6_addr_isdeprecated(addr_state) (addr_state == IP6_ADDR_DEPRECATED)
#define ip6_addr_debug_print(debug, ipaddr) \
LWIP_DEBUGF(debug, ("%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F ":%" X16_F, \
ipaddr != NULL ? IP6_ADDR_BLOCK1(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK2(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK3(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK4(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK5(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK6(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK7(ipaddr) : 0, \
ipaddr != NULL ? IP6_ADDR_BLOCK8(ipaddr) : 0))
#define IP6ADDR_STRLEN_MAX 46
int ip6addr_aton(const char *cp, ip6_addr_t *addr);
/** returns ptr to static buffer; not reentrant! */
char *ip6addr_ntoa(const ip6_addr_t *addr);
char *ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* __LWIP_IP6_ADDR_H__ */