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
net.c
- Committer:
- andrewboyson
- Date:
- 2019-01-21
- Revision:
- 112:f8694d0b8858
- Parent:
- 98:b977424ec7f7
- Child:
- 113:904b40231907
File content as of revision 112:f8694d0b8858:
#include <stdint.h> #include <stdbool.h> #include "link.h" #include "net.h" #include "tcb.h" #include "dhcp.h" #include "ar4.h" #include "ar6.h" #include "nr4.h" #include "nr6.h" #include "dns.h" #include "slaac.h" #include "ndp.h" #include "ntp.h" #include "ntpclient.h" #include "tftp.h" #include "led.h" #include "fault.h" bool NetTraceStack = false; bool NetTraceNewLine = false; bool NetTraceVerbose = false; const char* NetName4; const char* NetName6; static bool hostMatched = false; bool NetTraceHostGetMatched() { return hostMatched; } void NetTraceHostResetMatched() { hostMatched = false; } char NetTraceHost[2]; void NetTraceHostCheckIp6(char* ip) { if (!ip[0]) return; if (NetTraceHost[0] != ip[14]) return; if (NetTraceHost[1] != ip[15]) return; hostMatched = true; } void NetTraceHostCheckMac(char* mac) { if (NetTraceHost[0] != mac[4]) return; if (NetTraceHost[1] != mac[5]) return; hostMatched = true; } int16_t NetToHost16(int16_t n) { int16_t h; char* pn = (char*)&n; char* ph = (char*)&h + 1; *ph = *pn; ph--; pn++; // 1<-0 *ph = *pn; // 0<-1 return h; } int32_t NetToHost32(int32_t n) { int32_t h; char* pn = (char*)&n; char* ph = (char*)&h + 3; *ph = *pn; ph--; pn++; // 3<-0 *ph = *pn; ph--; pn++; // 2<-1 *ph = *pn; ph--; pn++; // 1<-2 *ph = *pn; // 0<-3 return h; } int64_t NetToHost64(int64_t n) { int64_t h; char* pn = (char*)&n; char* ph = (char*)&h + 7; *ph = *pn; ph--; pn++; // 7<-0 *ph = *pn; ph--; pn++; // 6<-1 *ph = *pn; ph--; pn++; // 5<-2 *ph = *pn; ph--; pn++; // 4<-3 *ph = *pn; ph--; pn++; // 3<-4 *ph = *pn; ph--; pn++; // 2<-5 *ph = *pn; ph--; pn++; // 1<-6 *ph = *pn; // 0<-7 return h; } uint16_t onesComplement(uint16_t start, int count, void* pData) { uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data while(count > 1) { sum += *p++; // Add each pair of bytes into 32 bit accumulator count -= 2; } if(count) sum += * (uint8_t*) p; // Add left-over byte, if any while (sum>>16) sum = (sum & 0xffff) + (sum >> 16); // Add any carries from the sum back into the sum to make it ones complement return sum; } uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2) { uint16_t sum = onesComplement(0, count1, pData1); return ~onesComplement(sum, count2, pData2); } uint16_t NetCheckSum(int count, void* pData) { return ~onesComplement(0, count, pData); } void NetInit(const char* name4, const char* name6) { NetName4 = name4; NetName6 = name6; LinkInit(); TcbInit(); Ar4Init(); Ar6Init(); Nr4Init(); Nr6Init(); SlaacInit(); NtpClientInit(); } void NetMain() { int lastFaultPoint = FaultPoint; FaultPoint = FAULT_POINT_NetMain; LinkMain(); Ar4Main(); Ar6Main(); Nr4Main(); Nr6Main(); DnsMain(); NdpMain(); TftpMain(); FaultPoint = lastFaultPoint; }