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@@ -12,21 +12,53 @@
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#define __NETDEV_IPADDR_H__
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#include <stdint.h>
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+#include <rtconfig.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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-/* Only supports the IPV4 protocol */
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-#ifndef NETDEV_IPV4
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-#define NETDEV_IPV4 1
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-#endif
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+/*
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+ * Definitions of bits in internet address integers.
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+ * On subnets, the decomposition of addresses to host and net parts
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+ * is done according to subnet mask, not the masks here.
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+ */
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+#define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
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+#define IN_CLASSA_NET 0xff000000
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+#define IN_CLASSA_NSHIFT 24
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+#define IN_CLASSA_HOST 0x00ffffff
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+#define IN_CLASSA_MAX 128
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-#ifndef NETDEV_IPV6
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-#define NETDEV_IPV6 0
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-#endif
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+#define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
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+#define IN_CLASSB_NET 0xffff0000
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+#define IN_CLASSB_NSHIFT 16
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+#define IN_CLASSB_HOST 0x0000ffff
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+#define IN_CLASSB_MAX 65536
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+
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+#define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
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+#define IN_CLASSC_NET 0xffffff00
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+#define IN_CLASSC_NSHIFT 8
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+#define IN_CLASSC_HOST 0x000000ff
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+
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+#define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
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+#define IN_MULTICAST(i) IN_CLASSD(i)
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-#ifdef NETDEV_IPV4
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+#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000)
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+#define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
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+
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+#define IN_LOOPBACKNET 127 /* official! */
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+
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+/* IP address types for use in ip_addr_t.type member */
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+enum netdev_ip_addr_type {
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+ /** IPv4 */
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+ IPADDR_TYPE_V4 = 0U,
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+ /** IPv6 */
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+ IPADDR_TYPE_V6 = 6U,
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+ /** IPv4+IPv6 ("dual-stack") */
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+ IPADDR_TYPE_ANY = 46U
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+};
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+
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+#if NETDEV_IPV4
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/** IPv4 only: set the IP address given as an u32_t */
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#define ip4_addr_set_u32(dest_ipaddr, src_u32) ((dest_ipaddr)->addr = (src_u32))
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/** IPv4 only: get the IP address as an u32_t */
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@@ -68,7 +100,42 @@ typedef struct ip4_addr
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uint32_t addr;
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} ip4_addr_t;
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-typedef ip4_addr_t ip_addr_t;
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+/** 255.255.255.255 */
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+#define IPADDR_NONE ((uint32_t)0xffffffffUL)
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+/** 127.0.0.1 */
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+#define IPADDR_LOOPBACK ((uint32_t)0x7f000001UL)
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+/** 0.0.0.0 */
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+#define IPADDR_ANY ((uint32_t)0x00000000UL)
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+/** 255.255.255.255 */
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+#define IPADDR_BROADCAST ((uint32_t)0xffffffffUL)
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+
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+/** 255.255.255.255 */
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+#define INADDR_NONE IPADDR_NONE
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+/** 127.0.0.1 */
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+#define INADDR_LOOPBACK IPADDR_LOOPBACK
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+/** 0.0.0.0 */
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+#define INADDR_ANY IPADDR_ANY
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+/** 255.255.255.255 */
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+#define INADDR_BROADCAST IPADDR_BROADCAST
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+
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+#define IPADDR_BROADCAST_STRING "255.255.255.255"
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+
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+/** Copy IP address - faster than ip4_addr_set: no NULL check */
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+#define ip4_addr_copy(dest, src) ((dest).addr = (src).addr)
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+#define ip4_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
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+/** Safely copy one IP address to another (src may be NULL) */
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+#define ip4_addr_set(dest, src) ((dest)->addr = ((src) == NULL ? 0 : (src)->addr))
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+/** Set complete address to zero */
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+#define ip4_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
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+/** Set address to IPADDR_ANY (no need for htonl()) */
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+#define ip4_addr_set_any(ipaddr) ((ipaddr)->addr = IPADDR_ANY)
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+#define ip4_addr_isany_val(ipaddr) ((ipaddr).addr == IPADDR_ANY)
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+#define ip4_addr_isany(ipaddr) ((ipaddr) == NULL || ip4_addr_isany_val(*(ipaddr)))
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+
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+in_addr_t netdev_ipaddr_addr(const char *cp);
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+int netdev_ip4addr_aton(const char *cp, ip4_addr_t *addr);
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+char *netdev_ip4addr_ntoa(const ip4_addr_t *addr);
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+char *netdev_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
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#endif /* NETIF_IPV4 */
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#if NETDEV_IPV6
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@@ -85,23 +152,55 @@ struct in6_addr
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typedef struct ip6_addr
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{
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uint32_t addr[4];
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+#ifdef NETDEV_IPV6_SCOPES
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+ uint8_t zone;
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+#endif /* NETDEV_IPV6_SCOPES */
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} ip6_addr_t;
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-typedef ip6_addr ip_addr_t
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+/** This macro can be used to initialize a variable of type struct in6_addr
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+ to the IPv6 wildcard address. */
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+#define IN6ADDR_ANY_INIT {{{0,0,0,0}}}
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+/** This macro can be used to initialize a variable of type struct in6_addr
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+ to the IPv6 loopback address. */
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+#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}}
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+
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+/** This variable is initialized by the system to contain the wildcard IPv6 address.
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+ */
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+extern const struct in6_addr in6addr_any;
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+
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+#define ip6_addr_cmp(addr1, addr2) (((addr1)->addr[0] == (addr2)->addr[0]) && \
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+ ((addr1)->addr[1] == (addr2)->addr[1]) && \
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+ ((addr1)->addr[2] == (addr2)->addr[2]) && \
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+ ((addr1)->addr[3] == (addr2)->addr[3]))
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+/** Copy IPv6 address - faster than ip6_addr_set: no NULL check */
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+#define ip6_addr_copy(dest, src) do{(dest).addr[0] = (src).addr[0]; \
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+ (dest).addr[1] = (src).addr[1]; \
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+ (dest).addr[2] = (src).addr[2]; \
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+ (dest).addr[3] = (src).addr[3];}while(0)
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+/** Safely copy one IPv6 address to another (src may be NULL) */
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+#define ip6_addr_set(dest, src) do{(dest)->addr[0] = (src) == NULL ? 0 : (src)->addr[0]; \
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+ (dest)->addr[1] = (src) == NULL ? 0 : (src)->addr[1]; \
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+ (dest)->addr[2] = (src) == NULL ? 0 : (src)->addr[2]; \
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+ (dest)->addr[3] = (src) == NULL ? 0 : (src)->addr[3];}while(0)
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+/** Set complete address to zero */
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+#define ip6_addr_set_zero(ip6addr) do{(ip6addr)->addr[0] = 0; \
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+ (ip6addr)->addr[1] = 0; \
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+ (ip6addr)->addr[2] = 0; \
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+ (ip6addr)->addr[3] = 0;}while(0)
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+/** Set address to ipv6 'any' (no need for lwip_htonl()) */
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+#define ip6_addr_set_any(ip6addr) ip6_addr_set_zero(ip6addr)
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+#define ip6_addr_isany_val(ip6addr) (((ip6addr).addr[0] == 0) && \
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+ ((ip6addr).addr[1] == 0) && \
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+ ((ip6addr).addr[2] == 0) && \
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+ ((ip6addr).addr[3] == 0))
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+#define ip6_addr_isany(ip6addr) (((ip6addr) == NULL) || ip6_addr_isany_val(*(ip6addr)))
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+
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+int netdev_ip6addr_aton(const char *cp, ip6_addr_t *addr);
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+char *netdev_ip6addr_ntoa(const ip6_addr_t *addr);
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+char *netdev_ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen);
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#endif /* NETIF_IPV6 */
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#if NETDEV_IPV4 && NETDEV_IPV6
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-/* IP address types for use in ip_addr_t.type member */
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-enum netdev_ip_addr_type
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-{
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- /** IPv4 */
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- IPADDR_TYPE_V4 = 0U,
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- /** IPv6 */
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- IPADDR_TYPE_V6 = 6U,
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- /** IPv4+IPv6 ("dual-stack") */
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- IPADDR_TYPE_ANY = 46U
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-};
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-
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/* A union struct for both IP version's addresses */
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typedef struct _ip_addr
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{
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@@ -113,54 +212,102 @@ typedef struct _ip_addr
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/** @ref netdev_ip_addr_type */
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uint8_t type;
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} ip_addr_t;
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-#endif /* NETIF_IPV4 && NETIF_IPV6 */
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-/** 255.255.255.255 */
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-#define IPADDR_NONE ((uint32_t)0xffffffffUL)
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-/** 127.0.0.1 */
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-#define IPADDR_LOOPBACK ((uint32_t)0x7f000001UL)
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-/** 0.0.0.0 */
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-#define IPADDR_ANY ((uint32_t)0x00000000UL)
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-/** 255.255.255.255 */
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-#define IPADDR_BROADCAST ((uint32_t)0xffffffffUL)
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+#define IP_SET_TYPE_VAL(ipaddr, iptype) do { (ipaddr).type = (iptype); }while(0)
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+#define IP_SET_TYPE(ipaddr, iptype) do { if((ipaddr) != NULL) { IP_SET_TYPE_VAL(*(ipaddr), iptype); }}while(0)
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+#define IP_GET_TYPE(ipaddr) ((ipaddr)->type)
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-/** 255.255.255.255 */
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-#define INADDR_NONE IPADDR_NONE
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-/** 127.0.0.1 */
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-#define INADDR_LOOPBACK IPADDR_LOOPBACK
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-/** 0.0.0.0 */
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-#define INADDR_ANY IPADDR_ANY
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-/** 255.255.255.255 */
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-#define INADDR_BROADCAST IPADDR_BROADCAST
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+#define IP_IS_V4_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V4)
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+#define IP_IS_V6_VAL(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V6)
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+#define IP_IS_V4(ipaddr) (((ipaddr) == NULL) || IP_IS_V4_VAL(*(ipaddr)))
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+#define IP_IS_V6(ipaddr) (((ipaddr) != NULL) && IP_IS_V6_VAL(*(ipaddr)))
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-#define IPADDR_BROADCAST_STRING "255.255.255.255"
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+/** Convert generic ip address to specific protocol version */
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+#define ip_2_ip6(ipaddr) (&((ipaddr)->u_addr.ip6))
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+/** Convert generic ip address to specific protocol version */
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+#define ip_2_ip4(ipaddr) (&((ipaddr)->u_addr.ip4))
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-#ifdef NETDEV_IPV4
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+#define ip_addr_copy(dest, src) do{ IP_SET_TYPE_VAL(dest, IP_GET_TYPE(&src)); if(IP_IS_V6_VAL(src)){ \
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+ ip6_addr_copy(*ip_2_ip6(&(dest)), *ip_2_ip6(&(src))); }else{ \
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+ ip4_addr_copy(*ip_2_ip4(&(dest)), *ip_2_ip4(&(src))); }}while(0)
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+#define ip_addr_cmp(addr1, addr2) ((IP_GET_TYPE(addr1) != IP_GET_TYPE(addr2)) ? 0 : (IP_IS_V6_VAL(*(addr1)) ? \
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+ ip6_addr_cmp(ip_2_ip6(addr1), ip_2_ip6(addr2)) : \
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+ ip4_addr_cmp(ip_2_ip4(addr1), ip_2_ip4(addr2))))
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+#define ip_addr_set(dest, src) do{ IP_SET_TYPE(dest, IP_GET_TYPE(src)); if(IP_IS_V6(src)){ \
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+ ip6_addr_set(ip_2_ip6(dest), ip_2_ip6(src)); }else{ \
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+ ip4_addr_set(ip_2_ip4(dest), ip_2_ip4(src)); }}while(0)
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+#define ip_addr_set_zero(ipaddr) do{ ip6_addr_set_zero(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, 0); }while(0)
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+#define ip_addr_set_any(is_ipv6, ipaddr) do{ if(is_ipv6){ \
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+ ip6_addr_set_any(ip_2_ip6(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V6); }else{ \
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+ ip4_addr_set_any(ip_2_ip4(ipaddr)); IP_SET_TYPE(ipaddr, IPADDR_TYPE_V4); }}while(0)
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-/** Copy IP address - faster than ip4_addr_set: no NULL check */
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-#define ip4_addr_copy(dest, src) ((dest).addr = (src).addr)
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-#define ip4_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
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-/** Set complete address to zero */
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-#define ip4_addr_set_zero(ipaddr) ((ipaddr)->addr = 0)
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-#define ip4_addr_isany_val(ipaddr) ((ipaddr).addr == IPADDR_ANY)
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-#define ip4_addr_isany(ipaddr) ((ipaddr) == NULL || ip4_addr_isany_val(*(ipaddr)))
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+#define ip_addr_isany_val(ipaddr) ((IP_IS_V6_VAL(ipaddr)) ? \
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+ ip6_addr_isany_val(*ip_2_ip6(&(ipaddr))) : \
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+ ip4_addr_isany_val(*ip_2_ip4(&(ipaddr))))
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+#define ip_addr_isany(ipaddr) ((IP_IS_V6(ipaddr)) ? \
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+ ip6_addr_isany(ip_2_ip6(ipaddr)) : \
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+ ip4_addr_isany(ip_2_ip4(ipaddr)))
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+
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+/* directly map this to the lwip internal functions */
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+#define inet_addr(cp) netdev_ipaddr_addr(cp)
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+#define inet_aton(cp, addr) ((IP_IS_V6_VAL(*addr)) ? \
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+ netdev_ip6addr_aton(cp, ip_2_ip6(addr)) : \
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+ netdev_ip4addr_aton(cp, ip_2_ip4(addr)))
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+#define inet_ntoa(addr) ((IP_IS_V6_VAL(addr)) ? \
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+ netdev_ip6addr_ntoa(ip_2_ip6(&addr)) : \
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+ netdev_ip4addr_ntoa(ip_2_ip4(&addr)))
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+#define inet_ntoa_r(addr, buf, buflen) ((IP_IS_V6_VAL(addr)) ? \
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+ netdev_ip6addr_ntoa_r(ip_2_ip6(&addr), buf, buflen) : \
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+ netdev_ip4addr_ntoa_r(ip_2_ip4(&addr), buf, buflen))
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+#elif NETDEV_IPV4 /* NETDEV_IPV4 */
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+
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+typedef ip4_addr_t ip_addr_t;
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+
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+#define IP_SET_TYPE_VAL(ipaddr, iptype)
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+#define IP_SET_TYPE(ipaddr, iptype)
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+#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V4
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#define ip_addr_copy(dest, src) ip4_addr_copy(dest, src)
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#define ip_addr_cmp(addr1, addr2) ip4_addr_cmp(addr1, addr2)
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+#define ip_addr_set(dest, src) ip4_addr_set(dest, src)
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#define ip_addr_set_zero(ipaddr) ip4_addr_set_zero(ipaddr)
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+#define ip_addr_set_any(is_ipv6, ipaddr) ip4_addr_set_any(ipaddr)
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+#define ip_addr_isany_val(ipaddr) ip4_addr_isany_val(ipaddr)
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#define ip_addr_isany(ipaddr) ip4_addr_isany(ipaddr)
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-in_addr_t netdev_ipaddr_addr(const char *cp);
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-int netdev_ip4addr_aton(const char *cp, ip4_addr_t *addr);
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-char *netdev_ip4addr_ntoa(const ip4_addr_t *addr);
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-char *netdev_ip4addr_ntoa_r(const ip4_addr_t *addr, char *buf, int buflen);
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-
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+/* directly map this to the lwip internal functions */
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#define inet_addr(cp) netdev_ipaddr_addr(cp)
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#define inet_aton(cp, addr) netdev_ip4addr_aton(cp,(ip4_addr_t*)addr)
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#define inet_ntoa(addr) netdev_ip4addr_ntoa((const ip4_addr_t*)&(addr))
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#define inet_ntoa_r(addr, buf, buflen) netdev_ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
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+#else /* NETDEV_IPV6 */
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+
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+typedef ip6_addr_t ip_addr_t;
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+
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+#define IP_SET_TYPE_VAL(ipaddr, iptype)
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+#define IP_SET_TYPE(ipaddr, iptype)
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+#define IP_GET_TYPE(ipaddr) IPADDR_TYPE_V6
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+
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+#define ip_addr_copy(dest, src) ip6_addr_copy(dest, src)
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+#define ip_addr_cmp(addr1, addr2) ip6_addr_cmp(addr1, addr2)
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+#define ip_addr_set(dest, src) ip6_addr_set(dest, src)
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+#define ip_addr_set_zero(ipaddr) ip6_addr_set_zero(ipaddr)
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+#define ip_addr_set_any(is_ipv6, ipaddr) ip6_addr_set_any(ipaddr)
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+#define ip_addr_isany_val(ipaddr) ip6_addr_isany_val(ipaddr)
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+#define ip_addr_isany(ipaddr) ip6_addr_isany(ipaddr)
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+
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+/* directly map this to the lwip internal functions */
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+#define inet_aton(cp, addr) netdev_ip6addr_aton(cp, (ip6_addr_t*)addr)
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+#define inet_ntoa(addr) netdev_ip6addr_ntoa((const ip6_addr_t*)&(addr))
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+#define inet_ntoa_r(addr, buf, buflen) netdev_ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen)
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+#endif /* NTDEV_IPV4 && NTDEV_IPV6 */
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+
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+
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+const char *netdev_inet_ntop(int af, const void *src, char *dst, int32_t size);
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+int netdev_inet_pton(int af, const char *src, void *dst);
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-#endif /* NETDEV_IPV4 */
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+#define inet_ntop(af, src, dst, size) netdev_inet_ntop(af, src, dst, size)
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+#define inet_pton(af, src, dst) netdev_inet_pton(af, src, dst)
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#ifdef __cplusplus
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}
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chenyong