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@84:e453577f2e92, 2018-11-17 (annotated)

Committer:
andrewboyson
Date:
Sat Nov 17 18:42:46 2018 +0000
Revision:
84:e453577f2e92
Parent:
83:08c983006a6e
Child:
85:cd9fdd6ab7e3
Tracked down hard error to be coming from LinkMain, TcbMain or Ar4Main. Moved LEDs to work out which.

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 37:793b39683406 18
andrewboyson 43:bc028d5a6424 19 bool NetTraceStack = false;
andrewboyson 43:bc028d5a6424 20 bool NetTraceNewLine = false;
andrewboyson 43:bc028d5a6424 21 bool NetTraceVerbose = false;
andrewboyson 59:e0e556c8bd46 22 const char* NetName4;
andrewboyson 59:e0e556c8bd46 23 const char* NetName6;
andrewboyson 57:e0fb648acf48 24
andrewboyson 57:e0fb648acf48 25 static bool hostMatched = false;
andrewboyson 57:e0fb648acf48 26 bool NetTraceHostGetMatched()
andrewboyson 57:e0fb648acf48 27 {
andrewboyson 57:e0fb648acf48 28 return hostMatched;
andrewboyson 57:e0fb648acf48 29 }
andrewboyson 57:e0fb648acf48 30 void NetTraceHostResetMatched()
andrewboyson 57:e0fb648acf48 31 {
andrewboyson 57:e0fb648acf48 32 hostMatched = false;
andrewboyson 57:e0fb648acf48 33 }
andrewboyson 59:e0e556c8bd46 34 char NetTraceHost[2];
andrewboyson 57:e0fb648acf48 35 void NetTraceHostCheckIp6(char* ip)
andrewboyson 57:e0fb648acf48 36 {
andrewboyson 57:e0fb648acf48 37 if (!ip[0]) return;
andrewboyson 57:e0fb648acf48 38 if (NetTraceHost[0] != ip[14]) return;
andrewboyson 57:e0fb648acf48 39 if (NetTraceHost[1] != ip[15]) return;
andrewboyson 57:e0fb648acf48 40 hostMatched = true;
andrewboyson 57:e0fb648acf48 41 }
andrewboyson 57:e0fb648acf48 42 void NetTraceHostCheckMac(char* mac)
andrewboyson 57:e0fb648acf48 43 {
andrewboyson 57:e0fb648acf48 44 if (NetTraceHost[0] != mac[4]) return;
andrewboyson 57:e0fb648acf48 45 if (NetTraceHost[1] != mac[5]) return;
andrewboyson 57:e0fb648acf48 46 hostMatched = true;
andrewboyson 57:e0fb648acf48 47 }
andrewboyson 0:faa09bd4e6bf 48 int16_t NetToHost16(int16_t n)
andrewboyson 0:faa09bd4e6bf 49 {
andrewboyson 0:faa09bd4e6bf 50 int16_t h;
andrewboyson 0:faa09bd4e6bf 51
andrewboyson 0:faa09bd4e6bf 52 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 53 char* ph = (char*)&h + 1;
andrewboyson 0:faa09bd4e6bf 54
andrewboyson 0:faa09bd4e6bf 55 *ph = *pn; ph--; pn++; // 1<-0
andrewboyson 0:faa09bd4e6bf 56 *ph = *pn; // 0<-1
andrewboyson 0:faa09bd4e6bf 57
andrewboyson 0:faa09bd4e6bf 58 return h;
andrewboyson 0:faa09bd4e6bf 59 }
andrewboyson 0:faa09bd4e6bf 60
andrewboyson 0:faa09bd4e6bf 61 int32_t NetToHost32(int32_t n)
andrewboyson 0:faa09bd4e6bf 62 {
andrewboyson 0:faa09bd4e6bf 63 int32_t h;
andrewboyson 0:faa09bd4e6bf 64
andrewboyson 0:faa09bd4e6bf 65 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 66 char* ph = (char*)&h + 3;
andrewboyson 0:faa09bd4e6bf 67
andrewboyson 0:faa09bd4e6bf 68 *ph = *pn; ph--; pn++; // 3<-0
andrewboyson 0:faa09bd4e6bf 69 *ph = *pn; ph--; pn++; // 2<-1
andrewboyson 0:faa09bd4e6bf 70 *ph = *pn; ph--; pn++; // 1<-2
andrewboyson 0:faa09bd4e6bf 71 *ph = *pn; // 0<-3
andrewboyson 0:faa09bd4e6bf 72
andrewboyson 0:faa09bd4e6bf 73 return h;
andrewboyson 0:faa09bd4e6bf 74 }
andrewboyson 0:faa09bd4e6bf 75 int64_t NetToHost64(int64_t n)
andrewboyson 0:faa09bd4e6bf 76 {
andrewboyson 0:faa09bd4e6bf 77 int64_t h;
andrewboyson 0:faa09bd4e6bf 78
andrewboyson 0:faa09bd4e6bf 79 char* pn = (char*)&n;
andrewboyson 0:faa09bd4e6bf 80 char* ph = (char*)&h + 7;
andrewboyson 0:faa09bd4e6bf 81
andrewboyson 0:faa09bd4e6bf 82 *ph = *pn; ph--; pn++; // 7<-0
andrewboyson 0:faa09bd4e6bf 83 *ph = *pn; ph--; pn++; // 6<-1
andrewboyson 0:faa09bd4e6bf 84 *ph = *pn; ph--; pn++; // 5<-2
andrewboyson 0:faa09bd4e6bf 85 *ph = *pn; ph--; pn++; // 4<-3
andrewboyson 0:faa09bd4e6bf 86 *ph = *pn; ph--; pn++; // 3<-4
andrewboyson 0:faa09bd4e6bf 87 *ph = *pn; ph--; pn++; // 2<-5
andrewboyson 0:faa09bd4e6bf 88 *ph = *pn; ph--; pn++; // 1<-6
andrewboyson 0:faa09bd4e6bf 89 *ph = *pn; // 0<-7
andrewboyson 0:faa09bd4e6bf 90
andrewboyson 0:faa09bd4e6bf 91 return h;
andrewboyson 0:faa09bd4e6bf 92 }
andrewboyson 0:faa09bd4e6bf 93 uint16_t onesComplement(uint16_t start, int count, void* pData)
andrewboyson 0:faa09bd4e6bf 94 {
andrewboyson 0:faa09bd4e6bf 95 uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum
andrewboyson 0:faa09bd4e6bf 96 uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data
andrewboyson 0:faa09bd4e6bf 97
andrewboyson 0:faa09bd4e6bf 98 while(count > 1)
andrewboyson 0:faa09bd4e6bf 99 {
andrewboyson 0:faa09bd4e6bf 100 sum += *p++; // Add each pair of bytes into 32 bit accumulator
andrewboyson 0:faa09bd4e6bf 101 count -= 2;
andrewboyson 0:faa09bd4e6bf 102 }
andrewboyson 0:faa09bd4e6bf 103 if(count) sum += * (uint8_t*) p; // Add left-over byte, if any
andrewboyson 0:faa09bd4e6bf 104 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 105 return sum;
andrewboyson 0:faa09bd4e6bf 106 }
andrewboyson 0:faa09bd4e6bf 107 uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2)
andrewboyson 0:faa09bd4e6bf 108 {
andrewboyson 0:faa09bd4e6bf 109 uint16_t sum = onesComplement(0, count1, pData1);
andrewboyson 0:faa09bd4e6bf 110 return ~onesComplement(sum, count2, pData2);
andrewboyson 0:faa09bd4e6bf 111 }
andrewboyson 0:faa09bd4e6bf 112 uint16_t NetCheckSum(int count, void* pData)
andrewboyson 0:faa09bd4e6bf 113 {
andrewboyson 0:faa09bd4e6bf 114 return ~onesComplement(0, count, pData);
andrewboyson 0:faa09bd4e6bf 115 }
andrewboyson 2:849103b5a16d 116
andrewboyson 61:aad055f1b0d1 117 void NetInit(const char* name4, const char* name6)
andrewboyson 59:e0e556c8bd46 118 {
andrewboyson 44:83ce5ace337b 119 NetName4 = name4;
andrewboyson 44:83ce5ace337b 120 NetName6 = name6;
andrewboyson 59:e0e556c8bd46 121 LinkInit();
andrewboyson 52:fbc5a46b5e16 122 TcbInit();
andrewboyson 48:952dddb74b8b 123 Ar4Init();
andrewboyson 48:952dddb74b8b 124 Ar6Init();
andrewboyson 50:492f2d2954e4 125 Nr4Init();
andrewboyson 50:492f2d2954e4 126 Nr6Init();
andrewboyson 30:e34173b7585c 127 SlaacInit();
andrewboyson 2:849103b5a16d 128 }
andrewboyson 61:aad055f1b0d1 129 void NetMain()
andrewboyson 2:849103b5a16d 130 {
andrewboyson 83:08c983006a6e 131 Led1Set(true);
andrewboyson 83:08c983006a6e 132 Led2Set(true);
andrewboyson 83:08c983006a6e 133 Led3Set(true);
andrewboyson 59:e0e556c8bd46 134 LinkMain();
andrewboyson 84:e453577f2e92 135 Led3Set(false);
andrewboyson 57:e0fb648acf48 136 TcbMain();
andrewboyson 84:e453577f2e92 137 Led2Set(false);
andrewboyson 57:e0fb648acf48 138 Ar4Main();
andrewboyson 84:e453577f2e92 139 Led1Set(false);
andrewboyson 57:e0fb648acf48 140 Ar6Main();
andrewboyson 57:e0fb648acf48 141 Nr4Main();
andrewboyson 57:e0fb648acf48 142 Nr6Main();
andrewboyson 52:fbc5a46b5e16 143 DhcpMain();
andrewboyson 57:e0fb648acf48 144 DnsMain();
andrewboyson 57:e0fb648acf48 145 NdpMain();
andrewboyson 84:e453577f2e92 146 TftpMain();
andrewboyson 2:849103b5a16d 147 }