diff options
Diffstat (limited to 'components/net/netdev/include/netdev_ipaddr.h')
| -rw-r--r-- | components/net/netdev/include/netdev_ipaddr.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/components/net/netdev/include/netdev_ipaddr.h b/components/net/netdev/include/netdev_ipaddr.h new file mode 100644 index 0000000000..c2e13cd118 --- /dev/null +++ b/components/net/netdev/include/netdev_ipaddr.h @@ -0,0 +1,169 @@ +/* + * 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__ */ |