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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-05-18 ChenYong First version
*/
#ifndef __NETDEV_IPADDR_H__
#define __NETDEV_IPADDR_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Only supports the IPV4 protocol */
#ifndef NETDEV_IPV4
#define NETDEV_IPV4 1
#endif
#ifndef NETDEV_IPV6
#define NETDEV_IPV6 0
#endif
#ifdef NETDEV_IPV4
/** 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)
#define IP4ADDR_STRLEN_MAX 16
#endif /* NETIF_IPV4 */
/* These macros should be calculated by the preprocessor and are used
with compile-time constants only (so that there is no little-endian
overhead at runtime). */
#define PP_HTONS(x) ((((x) & 0x00ffUL) << 8) | (((x) & 0xff00UL) >> 8))
#define PP_NTOHS(x) PP_HTONS(x)
#define PP_HTONL(x) ((((x) & 0x000000ffUL) << 24) | \
(((x) & 0x0000ff00UL) << 8) | \
(((x) & 0x00ff0000UL) >> 8) | \
(((x) & 0xff000000UL) >> 24))
#define PP_NTOHL(x) PP_HTONL(x)
#define htons(x) (uint16_t)PP_HTONS(x)
#define ntohs(x) (uint16_t)PP_NTOHS(x)
#define htonl(x) (uint32_t)PP_HTONL(x)
#define ntohl(x) (uint32_t)PP_NTOHL(x)
/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
to prevent this code from redefining it. */
#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
typedef uint32_t in_addr_t;
#endif
#if NETDEV_IPV4
struct in_addr
{
in_addr_t s_addr;
};
typedef struct ip4_addr
{
uint32_t addr;
} ip4_addr_t;
typedef ip4_addr_t ip_addr_t;
#endif /* NETIF_IPV4 */
#if NETDEV_IPV6
struct in6_addr
{
union
{
uint32_t u32_addr[4];
uint8_t u8_addr[16];
} un;
#define s6_addr un.u8_addr
};
typedef struct ip6_addr
{
uint32_t addr[4];
} ip6_addr_t;
typedef ip6_addr ip_addr_t
#endif /* NETIF_IPV6 */
#if NETDEV_IPV4 && NETDEV_IPV6
/* IP address types for use in ip_addr_t.type member */
enum netdev_ip_addr_type
{
/** IPv4 */
IPADDR_TYPE_V4 = 0U,
/** IPv6 */
IPADDR_TYPE_V6 = 6U,
/** IPv4+IPv6 ("dual-stack") */
IPADDR_TYPE_ANY = 46U
};
/* A union struct for both IP version's addresses */
typedef struct _ip_addr
{
union
{
ip6_addr_t ip6;
ip4_addr_t ip4;
} u_addr;
/** @ref netdev_ip_addr_type */
uint8_t type;
} ip_addr_t;
#endif /* NETIF_IPV4 && NETIF_IPV6 */
/** 255.255.255.255 */
#define IPADDR_NONE ((uint32_t)0xffffffffUL)
/** 127.0.0.1 */
#define IPADDR_LOOPBACK ((uint32_t)0x7f000001UL)
/** 0.0.0.0 */
#define IPADDR_ANY ((uint32_t)0x00000000UL)
/** 255.255.255.255 */
#define IPADDR_BROADCAST ((uint32_t)0xffffffffUL)
/** 255.255.255.255 */
#define INADDR_NONE IPADDR_NONE
/** 127.0.0.1 */
#define INADDR_LOOPBACK IPADDR_LOOPBACK
/** 0.0.0.0 */
#define INADDR_ANY IPADDR_ANY
/** 255.255.255.255 */
#define INADDR_BROADCAST IPADDR_BROADCAST
#define IPADDR_BROADCAST_STRING "255.255.255.255"
#ifdef NETDEV_IPV4
/** Copy IP address - faster than ip4_addr_set: no NULL check */
#define ip4_addr_copy(dest, src) ((dest).addr = (src).addr)
#define ip4_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
/** Set complete address to zero */
#define ip4_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
#define ip4_addr_isany_val(ipaddr) ((ipaddr).addr == IPADDR_ANY)
#define ip4_addr_isany(ipaddr) ((ipaddr) == NULL || ip4_addr_isany_val(*(ipaddr)))
#define ip_addr_copy(dest, src) ip4_addr_copy(dest, src)
#define ip_addr_cmp(addr1, addr2) ip4_addr_cmp(addr1, addr2)
#define ip_addr_set_zero(ipaddr) ip4_addr_set_zero(ipaddr)
#define ip_addr_isany(ipaddr) ip4_addr_isany(ipaddr)
in_addr_t netdev_ipaddr_addr(const char *cp);
int netdev_ip4addr_aton(const char *cp, ip4_addr_t *addr);
char *netdev_ip4addr_ntoa(const ip4_addr_t *addr);
char *netdev_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
#define inet_addr(cp) netdev_ipaddr_addr(cp)
#define inet_aton(cp, addr) netdev_ip4addr_aton(cp,(ip4_addr_t*)addr)
#define inet_ntoa(addr) netdev_ip4addr_ntoa((const ip4_addr_t*)&(addr))
#define inet_ntoa_r(addr, buf, buflen) netdev_ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
#endif /* NETDEV_IPV4 */
#ifdef __cplusplus
}
#endif
#endif /* __NETDEV_IPADDR_H__ */
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