Andrew Boyson / net

A stack which works with or without an Mbed os library. Provides IPv4 or IPv6 with a full 1500 byte buffer.

Dependents:   oldheating gps motorhome heating

Diff: ip4/ip4hdr.h

Revision:
136:8a65abb0dc63
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ip4/ip4hdr.h	Sat Apr 06 11:20:20 2019 +0000
@@ -0,0 +1,43 @@
+#include <stdbool.h>
+#include <stdint.h>
+
+extern char* Ip4HdrPtrVersionIhl (char* pPacket);
+extern char* Ip4HdrPtrTos        (char* pPacket);
+extern char* Ip4HdrPtrLength     (char* pPacket);
+extern char* Ip4HdrPtrId         (char* pPacket);
+extern char* Ip4HdrPtrFragInfo   (char* pPacket);
+extern char* Ip4HdrPtrTtl        (char* pPacket);
+extern char* Ip4HdrPtrProtocol   (char* pPacket);
+extern char* Ip4HdrPtrChecksum   (char* pPacket);
+extern char* Ip4HdrPtrSrc        (char* pPacket);
+extern char* Ip4HdrPtrDst        (char* pPacket);
+extern const int IP4_HEADER_LENGTH;
+
+extern uint8_t  Ip4HdrGetVersion   (char* pPacket);
+extern int      Ip4HdrGetHeaderLen (char* pPacket);
+extern uint8_t  Ip4HdrGetTos       (char* pPacket);
+extern uint16_t Ip4HdrGetLength    (char* pPacket);
+extern uint16_t Ip4HdrGetId        (char* pPacket);
+extern uint16_t Ip4HdrGetFragOffset(char* pPacket);
+extern bool     Ip4HdrGetDontFrag  (char* pPacket);
+extern bool     Ip4HdrGetMoreFrags (char* pPacket);
+extern uint8_t  Ip4HdrGetTtl       (char* pPacket);
+extern uint8_t  Ip4HdrGetProtocol  (char* pPacket);
+extern uint16_t Ip4HdrGetChecksum  (char* pPacket);
+extern uint32_t Ip4HdrGetSrc       (char* pPacket);
+extern uint32_t Ip4HdrGetDst       (char* pPacket);
+
+extern void Ip4HdrSetVersion    (char* pPacket, uint8_t  value);
+extern void Ip4HdrSetHeaderLen  (char* pPacket, int      value);
+extern void Ip4HdrSetTos        (char* pPacket, uint8_t  value);
+extern void Ip4HdrSetLength     (char* pPacket, uint16_t value);
+extern void Ip4HdrSetId         (char* pPacket, uint16_t value);
+extern void Ip4HdrSetFragInfo   (char* pPacket, uint16_t value);
+extern void Ip4HdrSetFragOffset (char* pPacket, uint16_t value);
+extern void Ip4HdrSetDontFrag   (char* pPacket, bool     value);
+extern void Ip4HdrSetMoreFrags  (char* pPacket, bool     value);
+extern void Ip4HdrSetTtl        (char* pPacket, uint8_t  value);
+extern void Ip4HdrSetProtocol   (char* pPacket, uint8_t  value);
+extern void Ip4HdrSetChecksum   (char* pPacket, uint16_t value);
+extern void Ip4HdrSetSrc        (char* pPacket, uint32_t value);
+extern void Ip4HdrSetDst        (char* pPacket, uint32_t value);