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

net.c@98:b977424ec7f7, 2019-01-03 (annotated)

Committer:
andrewboyson
Date:
Thu Jan 03 17:23:38 2019 +0000
Revision:
98:b977424ec7f7
Parent:
97:d91f7db00235
Child:
112:f8694d0b8858
Added more fault positions and removed need for a net server module. Added need for the ethernet jack leds definition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 61:aad055f1b0d1 1 #include <stdint.h>
andrewboyson 61:aad055f1b0d1 2 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 3
andrewboyson 59:e0e556c8bd46 4 #include "link.h"
andrewboyson 7:b794780e33b4 5 #include "net.h"
andrewboyson 52:fbc5a46b5e16 6 #include "tcb.h"
andrewboyson 7:b794780e33b4 7 #include "dhcp.h"
andrewboyson 48:952dddb74b8b 8 #include "ar4.h"
andrewboyson 48:952dddb74b8b 9 #include "ar6.h"
andrewboyson 50:492f2d2954e4 10 #include "nr4.h"
andrewboyson 50:492f2d2954e4 11 #include "nr6.h"
andrewboyson 7:b794780e33b4 12 #include "dns.h"
andrewboyson 7:b794780e33b4 13 #include "slaac.h"
andrewboyson 47:73af5c0b0dc2 14 #include "ndp.h"
andrewboyson 22:914b970356f0 15 #include "ntp.h"
andrewboyson 57:e0fb648acf48 16 #include "tftp.h"
andrewboyson 83:08c983006a6e 17 #include "led.h"
andrewboyson 97:d91f7db00235 18 #include "fault.h"
andrewboyson 37:793b39683406 19
andrewboyson 43:bc028d5a6424 20 bool NetTraceStack = false;
andrewboyson 43:bc028d5a6424 21 bool NetTraceNewLine = false;
andrewboyson 43:bc028d5a6424 22 bool NetTraceVerbose = false;
andrewboyson 59:e0e556c8bd46 23 const char* NetName4;
andrewboyson 59:e0e556c8bd46 24 const char* NetName6;
andrewboyson 57:e0fb648acf48 25
andrewboyson 57:e0fb648acf48 26 static bool hostMatched = false;
andrewboyson 57:e0fb648acf48 27 bool NetTraceHostGetMatched()
andrewboyson 57:e0fb648acf48 28 {
andrewboyson 57:e0fb648acf48 29 return hostMatched;
andrewboyson 57:e0fb648acf48 30 }
andrewboyson 57:e0fb648acf48 31 void NetTraceHostResetMatched()
andrewboyson 57:e0fb648acf48 32 {
andrewboyson 57:e0fb648acf48 33 hostMatched = false;
andrewboyson 57:e0fb648acf48 34 }
andrewboyson 59:e0e556c8bd46 35 char NetTraceHost[2];
andrewboyson 57:e0fb648acf48 36 void NetTraceHostCheckIp6(char* ip)
andrewboyson 57:e0fb648acf48 37 {
andrewboyson 57:e0fb648acf48 38 if (!ip[0]) return;
andrewboyson 57:e0fb648acf48 39 if (NetTraceHost[0] != ip[14]) return;
andrewboyson 57:e0fb648acf48 40 if (NetTraceHost[1] != ip[15]) return;
andrewboyson 57:e0fb648acf48 41 hostMatched = true;
andrewboyson 57:e0fb648acf48 42 }
andrewboyson 57:e0fb648acf48 43 void NetTraceHostCheckMac(char* mac)
andrewboyson 57:e0fb648acf48 44 {
andrewboyson 57:e0fb648acf48 45 if (NetTraceHost[0] != mac[4]) return;
andrewboyson 57:e0fb648acf48 46 if (NetTraceHost[1] != mac[5]) return;
andrewboyson 57:e0fb648acf48 47 hostMatched = true;
andrewboyson 57:e0fb648acf48 48 }
andrewboyson 0:faa09bd4e6bf 49 int16_t NetToHost16(int16_t n)
andrewboyson 0:faa09bd4e6bf 50 {
andrewboyson 0:faa09bd4e6bf 51 int16_t h;
andrewboyson 0:faa09bd4e6bf 52
andrewboyson 0:faa09bd4e6bf 53 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 54 char* ph = (char*)&h + 1;
andrewboyson 0:faa09bd4e6bf 55
andrewboyson 0:faa09bd4e6bf 56 *ph = *pn; ph--; pn++; // 1<-0
andrewboyson 0:faa09bd4e6bf 57 *ph = *pn; // 0<-1
andrewboyson 0:faa09bd4e6bf 58
andrewboyson 0:faa09bd4e6bf 59 return h;
andrewboyson 0:faa09bd4e6bf 60 }
andrewboyson 0:faa09bd4e6bf 61
andrewboyson 0:faa09bd4e6bf 62 int32_t NetToHost32(int32_t n)
andrewboyson 0:faa09bd4e6bf 63 {
andrewboyson 0:faa09bd4e6bf 64 int32_t h;
andrewboyson 0:faa09bd4e6bf 65
andrewboyson 0:faa09bd4e6bf 66 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 67 char* ph = (char*)&h + 3;
andrewboyson 0:faa09bd4e6bf 68
andrewboyson 0:faa09bd4e6bf 69 *ph = *pn; ph--; pn++; // 3<-0
andrewboyson 0:faa09bd4e6bf 70 *ph = *pn; ph--; pn++; // 2<-1
andrewboyson 0:faa09bd4e6bf 71 *ph = *pn; ph--; pn++; // 1<-2
andrewboyson 0:faa09bd4e6bf 72 *ph = *pn; // 0<-3
andrewboyson 0:faa09bd4e6bf 73
andrewboyson 0:faa09bd4e6bf 74 return h;
andrewboyson 0:faa09bd4e6bf 75 }
andrewboyson 0:faa09bd4e6bf 76 int64_t NetToHost64(int64_t n)
andrewboyson 0:faa09bd4e6bf 77 {
andrewboyson 0:faa09bd4e6bf 78 int64_t h;
andrewboyson 0:faa09bd4e6bf 79
andrewboyson 0:faa09bd4e6bf 80 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 81 char* ph = (char*)&h + 7;
andrewboyson 0:faa09bd4e6bf 82
andrewboyson 0:faa09bd4e6bf 83 *ph = *pn; ph--; pn++; // 7<-0
andrewboyson 0:faa09bd4e6bf 84 *ph = *pn; ph--; pn++; // 6<-1
andrewboyson 0:faa09bd4e6bf 85 *ph = *pn; ph--; pn++; // 5<-2
andrewboyson 0:faa09bd4e6bf 86 *ph = *pn; ph--; pn++; // 4<-3
andrewboyson 0:faa09bd4e6bf 87 *ph = *pn; ph--; pn++; // 3<-4
andrewboyson 0:faa09bd4e6bf 88 *ph = *pn; ph--; pn++; // 2<-5
andrewboyson 0:faa09bd4e6bf 89 *ph = *pn; ph--; pn++; // 1<-6
andrewboyson 0:faa09bd4e6bf 90 *ph = *pn; // 0<-7
andrewboyson 0:faa09bd4e6bf 91
andrewboyson 0:faa09bd4e6bf 92 return h;
andrewboyson 0:faa09bd4e6bf 93 }
andrewboyson 0:faa09bd4e6bf 94 uint16_t onesComplement(uint16_t start, int count, void* pData)
andrewboyson 0:faa09bd4e6bf 95 {
andrewboyson 0:faa09bd4e6bf 96 uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum
andrewboyson 0:faa09bd4e6bf 97 uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data
andrewboyson 0:faa09bd4e6bf 98
andrewboyson 0:faa09bd4e6bf 99 while(count > 1)
andrewboyson 0:faa09bd4e6bf 100 {
andrewboyson 0:faa09bd4e6bf 101 sum += *p++; // Add each pair of bytes into 32 bit accumulator
andrewboyson 0:faa09bd4e6bf 102 count -= 2;
andrewboyson 0:faa09bd4e6bf 103 }
andrewboyson 0:faa09bd4e6bf 104 if(count) sum += * (uint8_t*) p; // Add left-over byte, if any
andrewboyson 0:faa09bd4e6bf 105 while (sum>>16) sum = (sum & 0xffff) + (sum >> 16); // Add any carries from the sum back into the sum to make it ones complement
andrewboyson 0:faa09bd4e6bf 106 return sum;
andrewboyson 0:faa09bd4e6bf 107 }
andrewboyson 0:faa09bd4e6bf 108 uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2)
andrewboyson 0:faa09bd4e6bf 109 {
andrewboyson 0:faa09bd4e6bf 110 uint16_t sum = onesComplement(0, count1, pData1);
andrewboyson 0:faa09bd4e6bf 111 return ~onesComplement(sum, count2, pData2);
andrewboyson 0:faa09bd4e6bf 112 }
andrewboyson 0:faa09bd4e6bf 113 uint16_t NetCheckSum(int count, void* pData)
andrewboyson 0:faa09bd4e6bf 114 {
andrewboyson 0:faa09bd4e6bf 115 return ~onesComplement(0, count, pData);
andrewboyson 0:faa09bd4e6bf 116 }
andrewboyson 2:849103b5a16d 117
andrewboyson 61:aad055f1b0d1 118 void NetInit(const char* name4, const char* name6)
andrewboyson 59:e0e556c8bd46 119 {
andrewboyson 44:83ce5ace337b 120 NetName4 = name4;
andrewboyson 44:83ce5ace337b 121 NetName6 = name6;
andrewboyson 59:e0e556c8bd46 122 LinkInit();
andrewboyson 52:fbc5a46b5e16 123 TcbInit();
andrewboyson 48:952dddb74b8b 124 Ar4Init();
andrewboyson 48:952dddb74b8b 125 Ar6Init();
andrewboyson 50:492f2d2954e4 126 Nr4Init();
andrewboyson 50:492f2d2954e4 127 Nr6Init();
andrewboyson 30:e34173b7585c 128 SlaacInit();
andrewboyson 2:849103b5a16d 129 }
andrewboyson 61:aad055f1b0d1 130 void NetMain()
andrewboyson 2:849103b5a16d 131 {
andrewboyson 98:b977424ec7f7 132 int lastFaultPoint = FaultPoint;
andrewboyson 97:d91f7db00235 133 FaultPoint = FAULT_POINT_NetMain;
andrewboyson 59:e0e556c8bd46 134 LinkMain();
andrewboyson 57:e0fb648acf48 135 Ar4Main();
andrewboyson 57:e0fb648acf48 136 Ar6Main();
andrewboyson 57:e0fb648acf48 137 Nr4Main();
andrewboyson 57:e0fb648acf48 138 Nr6Main();
andrewboyson 57:e0fb648acf48 139 DnsMain();
andrewboyson 57:e0fb648acf48 140 NdpMain();
andrewboyson 97:d91f7db00235 141 TftpMain();
andrewboyson 98:b977424ec7f7 142 FaultPoint = lastFaultPoint;
andrewboyson 2:849103b5a16d 143 }