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.cpp@56:35117a8b5c65, 2017-11-14 (annotated)
- Committer:
- andrewboyson
- Date:
- Tue Nov 14 17:43:08 2017 +0000
- Revision:
- 56:35117a8b5c65
- Parent:
- 52:fbc5a46b5e16
- Child:
- 57:e0fb648acf48
Corrected closing FIN requirement
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
andrewboyson | 7:b794780e33b4 | 1 | #include "mbed.h" |
andrewboyson | 7:b794780e33b4 | 2 | #include "phy.h" |
andrewboyson | 7:b794780e33b4 | 3 | #include "net.h" |
andrewboyson | 52:fbc5a46b5e16 | 4 | #include "tcb.h" |
andrewboyson | 7:b794780e33b4 | 5 | #include "dhcp.h" |
andrewboyson | 48:952dddb74b8b | 6 | #include "ar4.h" |
andrewboyson | 48:952dddb74b8b | 7 | #include "ar6.h" |
andrewboyson | 50:492f2d2954e4 | 8 | #include "nr4.h" |
andrewboyson | 50:492f2d2954e4 | 9 | #include "nr6.h" |
andrewboyson | 7:b794780e33b4 | 10 | #include "dns.h" |
andrewboyson | 7:b794780e33b4 | 11 | #include "slaac.h" |
andrewboyson | 47:73af5c0b0dc2 | 12 | #include "ndp.h" |
andrewboyson | 22:914b970356f0 | 13 | #include "ntp.h" |
andrewboyson | 22:914b970356f0 | 14 | #include "io.h" |
andrewboyson | 2:849103b5a16d | 15 | |
andrewboyson | 37:793b39683406 | 16 | |
andrewboyson | 43:bc028d5a6424 | 17 | bool NetTraceStack = false; |
andrewboyson | 43:bc028d5a6424 | 18 | bool NetTraceNewLine = false; |
andrewboyson | 43:bc028d5a6424 | 19 | bool NetTraceVerbose = false; |
andrewboyson | 42:222a4f45f916 | 20 | bool NetPreferIp4Polled = false; |
andrewboyson | 42:222a4f45f916 | 21 | |
andrewboyson | 44:83ce5ace337b | 22 | char* NetName4; |
andrewboyson | 44:83ce5ace337b | 23 | char* NetName6; |
andrewboyson | 10:f0854784e960 | 24 | |
andrewboyson | 0:faa09bd4e6bf | 25 | int16_t NetToHost16(int16_t n) |
andrewboyson | 0:faa09bd4e6bf | 26 | { |
andrewboyson | 0:faa09bd4e6bf | 27 | int16_t h; |
andrewboyson | 0:faa09bd4e6bf | 28 | |
andrewboyson | 0:faa09bd4e6bf | 29 | char* pn = (char*)&n; |
andrewboyson | 0:faa09bd4e6bf | 30 | char* ph = (char*)&h + 1; |
andrewboyson | 0:faa09bd4e6bf | 31 | |
andrewboyson | 0:faa09bd4e6bf | 32 | *ph = *pn; ph--; pn++; // 1<-0 |
andrewboyson | 0:faa09bd4e6bf | 33 | *ph = *pn; // 0<-1 |
andrewboyson | 0:faa09bd4e6bf | 34 | |
andrewboyson | 0:faa09bd4e6bf | 35 | return h; |
andrewboyson | 0:faa09bd4e6bf | 36 | } |
andrewboyson | 0:faa09bd4e6bf | 37 | |
andrewboyson | 0:faa09bd4e6bf | 38 | int32_t NetToHost32(int32_t n) |
andrewboyson | 0:faa09bd4e6bf | 39 | { |
andrewboyson | 0:faa09bd4e6bf | 40 | int32_t h; |
andrewboyson | 0:faa09bd4e6bf | 41 | |
andrewboyson | 0:faa09bd4e6bf | 42 | char* pn = (char*)&n; |
andrewboyson | 0:faa09bd4e6bf | 43 | char* ph = (char*)&h + 3; |
andrewboyson | 0:faa09bd4e6bf | 44 | |
andrewboyson | 0:faa09bd4e6bf | 45 | *ph = *pn; ph--; pn++; // 3<-0 |
andrewboyson | 0:faa09bd4e6bf | 46 | *ph = *pn; ph--; pn++; // 2<-1 |
andrewboyson | 0:faa09bd4e6bf | 47 | *ph = *pn; ph--; pn++; // 1<-2 |
andrewboyson | 0:faa09bd4e6bf | 48 | *ph = *pn; // 0<-3 |
andrewboyson | 0:faa09bd4e6bf | 49 | |
andrewboyson | 0:faa09bd4e6bf | 50 | return h; |
andrewboyson | 0:faa09bd4e6bf | 51 | } |
andrewboyson | 0:faa09bd4e6bf | 52 | int64_t NetToHost64(int64_t n) |
andrewboyson | 0:faa09bd4e6bf | 53 | { |
andrewboyson | 0:faa09bd4e6bf | 54 | int64_t h; |
andrewboyson | 0:faa09bd4e6bf | 55 | |
andrewboyson | 0:faa09bd4e6bf | 56 | char* pn = (char*)&n; |
andrewboyson | 0:faa09bd4e6bf | 57 | char* ph = (char*)&h + 7; |
andrewboyson | 0:faa09bd4e6bf | 58 | |
andrewboyson | 0:faa09bd4e6bf | 59 | *ph = *pn; ph--; pn++; // 7<-0 |
andrewboyson | 0:faa09bd4e6bf | 60 | *ph = *pn; ph--; pn++; // 6<-1 |
andrewboyson | 0:faa09bd4e6bf | 61 | *ph = *pn; ph--; pn++; // 5<-2 |
andrewboyson | 0:faa09bd4e6bf | 62 | *ph = *pn; ph--; pn++; // 4<-3 |
andrewboyson | 0:faa09bd4e6bf | 63 | *ph = *pn; ph--; pn++; // 3<-4 |
andrewboyson | 0:faa09bd4e6bf | 64 | *ph = *pn; ph--; pn++; // 2<-5 |
andrewboyson | 0:faa09bd4e6bf | 65 | *ph = *pn; ph--; pn++; // 1<-6 |
andrewboyson | 0:faa09bd4e6bf | 66 | *ph = *pn; // 0<-7 |
andrewboyson | 0:faa09bd4e6bf | 67 | |
andrewboyson | 0:faa09bd4e6bf | 68 | return h; |
andrewboyson | 0:faa09bd4e6bf | 69 | } |
andrewboyson | 0:faa09bd4e6bf | 70 | uint16_t onesComplement(uint16_t start, int count, void* pData) |
andrewboyson | 0:faa09bd4e6bf | 71 | { |
andrewboyson | 0:faa09bd4e6bf | 72 | uint32_t sum = start; //Initialise the 32 bit accumulator with the last sum |
andrewboyson | 0:faa09bd4e6bf | 73 | uint16_t* p = (uint16_t*)pData; //Set up a 16 bit pointer for the data |
andrewboyson | 0:faa09bd4e6bf | 74 | |
andrewboyson | 0:faa09bd4e6bf | 75 | while(count > 1) |
andrewboyson | 0:faa09bd4e6bf | 76 | { |
andrewboyson | 0:faa09bd4e6bf | 77 | sum += *p++; // Add each pair of bytes into 32 bit accumulator |
andrewboyson | 0:faa09bd4e6bf | 78 | count -= 2; |
andrewboyson | 0:faa09bd4e6bf | 79 | } |
andrewboyson | 0:faa09bd4e6bf | 80 | if(count) sum += * (uint8_t*) p; // Add left-over byte, if any |
andrewboyson | 0:faa09bd4e6bf | 81 | 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 | 82 | return sum; |
andrewboyson | 0:faa09bd4e6bf | 83 | } |
andrewboyson | 0:faa09bd4e6bf | 84 | uint16_t NetCheckSumTwo(int count1, void* pData1, int count2, void* pData2) |
andrewboyson | 0:faa09bd4e6bf | 85 | { |
andrewboyson | 0:faa09bd4e6bf | 86 | uint16_t sum = onesComplement(0, count1, pData1); |
andrewboyson | 0:faa09bd4e6bf | 87 | return ~onesComplement(sum, count2, pData2); |
andrewboyson | 0:faa09bd4e6bf | 88 | } |
andrewboyson | 0:faa09bd4e6bf | 89 | uint16_t NetCheckSum(int count, void* pData) |
andrewboyson | 0:faa09bd4e6bf | 90 | { |
andrewboyson | 0:faa09bd4e6bf | 91 | return ~onesComplement(0, count, pData); |
andrewboyson | 0:faa09bd4e6bf | 92 | } |
andrewboyson | 2:849103b5a16d | 93 | |
andrewboyson | 44:83ce5ace337b | 94 | int NetInit(char* name4, char* name6) |
andrewboyson | 2:849103b5a16d | 95 | { |
andrewboyson | 44:83ce5ace337b | 96 | NetName4 = name4; |
andrewboyson | 44:83ce5ace337b | 97 | NetName6 = name6; |
andrewboyson | 30:e34173b7585c | 98 | PhyInit(); |
andrewboyson | 52:fbc5a46b5e16 | 99 | TcbInit(); |
andrewboyson | 48:952dddb74b8b | 100 | Ar4Init(); |
andrewboyson | 48:952dddb74b8b | 101 | Ar6Init(); |
andrewboyson | 50:492f2d2954e4 | 102 | Nr4Init(); |
andrewboyson | 50:492f2d2954e4 | 103 | Nr6Init(); |
andrewboyson | 30:e34173b7585c | 104 | SlaacInit(); |
andrewboyson | 2:849103b5a16d | 105 | return 0; |
andrewboyson | 2:849103b5a16d | 106 | } |
andrewboyson | 2:849103b5a16d | 107 | int NetMain() |
andrewboyson | 2:849103b5a16d | 108 | { |
andrewboyson | 35:93c39d260a83 | 109 | PhyMain(); |
andrewboyson | 52:fbc5a46b5e16 | 110 | TcbMain(); |
andrewboyson | 48:952dddb74b8b | 111 | Ar4Main(); |
andrewboyson | 48:952dddb74b8b | 112 | Ar6Main(); |
andrewboyson | 50:492f2d2954e4 | 113 | Nr4Main(); |
andrewboyson | 50:492f2d2954e4 | 114 | Nr6Main(); |
andrewboyson | 52:fbc5a46b5e16 | 115 | DhcpMain(); |
andrewboyson | 43:bc028d5a6424 | 116 | DnsMain(); |
andrewboyson | 47:73af5c0b0dc2 | 117 | NdpMain(); |
andrewboyson | 2:849103b5a16d | 118 | return 0; |
andrewboyson | 2:849103b5a16d | 119 | } |