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
eth/mac.cpp@60:1d8c7a1e7483, 2017-12-16 (annotated)
- Committer:
- andrewboyson
- Date:
- Sat Dec 16 14:39:50 2017 +0000
- Revision:
- 60:1d8c7a1e7483
Obtained MAC directly from __semihost call
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
andrewboyson | 60:1d8c7a1e7483 | 1 | #include "mbed.h" |
andrewboyson | 60:1d8c7a1e7483 | 2 | #include "log.h" |
andrewboyson | 60:1d8c7a1e7483 | 3 | #include "net.h" |
andrewboyson | 60:1d8c7a1e7483 | 4 | #include "action.h" |
andrewboyson | 60:1d8c7a1e7483 | 5 | #include "eth.h" |
andrewboyson | 60:1d8c7a1e7483 | 6 | #include "http.h" |
andrewboyson | 60:1d8c7a1e7483 | 7 | |
andrewboyson | 60:1d8c7a1e7483 | 8 | char MacLocal[6]; |
andrewboyson | 60:1d8c7a1e7483 | 9 | void MacClear(char* mac) |
andrewboyson | 60:1d8c7a1e7483 | 10 | { |
andrewboyson | 60:1d8c7a1e7483 | 11 | memset(mac, 0, 6); |
andrewboyson | 60:1d8c7a1e7483 | 12 | } |
andrewboyson | 60:1d8c7a1e7483 | 13 | void MacCopy(char* macTo, char* macFrom) |
andrewboyson | 60:1d8c7a1e7483 | 14 | { |
andrewboyson | 60:1d8c7a1e7483 | 15 | memcpy(macTo, macFrom, 6); |
andrewboyson | 60:1d8c7a1e7483 | 16 | } |
andrewboyson | 60:1d8c7a1e7483 | 17 | bool MacIsSame(char* macA, char* macB) |
andrewboyson | 60:1d8c7a1e7483 | 18 | { |
andrewboyson | 60:1d8c7a1e7483 | 19 | return memcmp(macA, macB, 6) == 0; |
andrewboyson | 60:1d8c7a1e7483 | 20 | } |
andrewboyson | 60:1d8c7a1e7483 | 21 | bool MacIsEmpty(char* mac) |
andrewboyson | 60:1d8c7a1e7483 | 22 | { |
andrewboyson | 60:1d8c7a1e7483 | 23 | if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 24 | mac++; if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 25 | mac++; if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 26 | mac++; if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 27 | mac++; if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 28 | mac++; if (*mac) return false; |
andrewboyson | 60:1d8c7a1e7483 | 29 | return true; |
andrewboyson | 60:1d8c7a1e7483 | 30 | } |
andrewboyson | 60:1d8c7a1e7483 | 31 | |
andrewboyson | 60:1d8c7a1e7483 | 32 | int MacToString(char* mac, int size, char* text) |
andrewboyson | 60:1d8c7a1e7483 | 33 | { |
andrewboyson | 60:1d8c7a1e7483 | 34 | return snprintf(text, size, "%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); |
andrewboyson | 60:1d8c7a1e7483 | 35 | } |
andrewboyson | 60:1d8c7a1e7483 | 36 | int MacLog(char* mac) |
andrewboyson | 60:1d8c7a1e7483 | 37 | { |
andrewboyson | 60:1d8c7a1e7483 | 38 | return LogF("%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); |
andrewboyson | 60:1d8c7a1e7483 | 39 | } |
andrewboyson | 60:1d8c7a1e7483 | 40 | int MacHttp(char* mac) |
andrewboyson | 60:1d8c7a1e7483 | 41 | { |
andrewboyson | 60:1d8c7a1e7483 | 42 | return HttpAddF("%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); |
andrewboyson | 60:1d8c7a1e7483 | 43 | } |
andrewboyson | 60:1d8c7a1e7483 | 44 | |
andrewboyson | 60:1d8c7a1e7483 | 45 | int MacAccept(char* p) |
andrewboyson | 60:1d8c7a1e7483 | 46 | { |
andrewboyson | 60:1d8c7a1e7483 | 47 | switch (*p) |
andrewboyson | 60:1d8c7a1e7483 | 48 | { |
andrewboyson | 60:1d8c7a1e7483 | 49 | case 0xff: //Broadcast |
andrewboyson | 60:1d8c7a1e7483 | 50 | { |
andrewboyson | 60:1d8c7a1e7483 | 51 | p++; if (*p != 0xff) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 52 | p++; if (*p != 0xff) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 53 | p++; if (*p != 0xff) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 54 | p++; if (*p != 0xff) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 55 | p++; if (*p != 0xff) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 56 | return BROADCAST; |
andrewboyson | 60:1d8c7a1e7483 | 57 | } |
andrewboyson | 60:1d8c7a1e7483 | 58 | case 0x01: //Multicast IP4 |
andrewboyson | 60:1d8c7a1e7483 | 59 | { |
andrewboyson | 60:1d8c7a1e7483 | 60 | p++; if (*p != 0x00) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 61 | p++; if (*p != 0x5e) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 62 | p++; if (*p != 0x00) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 63 | p++; if (*p != 0x00) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 64 | p++; |
andrewboyson | 60:1d8c7a1e7483 | 65 | switch (*p) //01 00 5E 00 00 xx |
andrewboyson | 60:1d8c7a1e7483 | 66 | { |
andrewboyson | 60:1d8c7a1e7483 | 67 | case 0x01: return MULTICAST_NODE; |
andrewboyson | 60:1d8c7a1e7483 | 68 | case 0x02: return MULTICAST_ROUTER; |
andrewboyson | 60:1d8c7a1e7483 | 69 | case 0xfb: return MULTICAST_MDNS; |
andrewboyson | 60:1d8c7a1e7483 | 70 | case 0xfc: return MULTICAST_LLMNR; |
andrewboyson | 60:1d8c7a1e7483 | 71 | default: return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 72 | } |
andrewboyson | 60:1d8c7a1e7483 | 73 | } |
andrewboyson | 60:1d8c7a1e7483 | 74 | case 0x33: //Multicast IP6 |
andrewboyson | 60:1d8c7a1e7483 | 75 | { |
andrewboyson | 60:1d8c7a1e7483 | 76 | p++; if (*p != 0x33) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 77 | p++; |
andrewboyson | 60:1d8c7a1e7483 | 78 | switch (*p) //33 33 |
andrewboyson | 60:1d8c7a1e7483 | 79 | { |
andrewboyson | 60:1d8c7a1e7483 | 80 | case 0x00: //33 33 00 Special address |
andrewboyson | 60:1d8c7a1e7483 | 81 | { |
andrewboyson | 60:1d8c7a1e7483 | 82 | p++; |
andrewboyson | 60:1d8c7a1e7483 | 83 | switch (*p) |
andrewboyson | 60:1d8c7a1e7483 | 84 | { |
andrewboyson | 60:1d8c7a1e7483 | 85 | case 0x00: //33 33 00 00 |
andrewboyson | 60:1d8c7a1e7483 | 86 | { |
andrewboyson | 60:1d8c7a1e7483 | 87 | p++; if (*p != 0x00) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 88 | p++; |
andrewboyson | 60:1d8c7a1e7483 | 89 | switch (*p) //33 33 00 00 00 xx |
andrewboyson | 60:1d8c7a1e7483 | 90 | { |
andrewboyson | 60:1d8c7a1e7483 | 91 | case 0x01: return MULTICAST_NODE; |
andrewboyson | 60:1d8c7a1e7483 | 92 | case 0x02: return MULTICAST_ROUTER; |
andrewboyson | 60:1d8c7a1e7483 | 93 | case 0xfb: return MULTICAST_MDNS; |
andrewboyson | 60:1d8c7a1e7483 | 94 | default: return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 95 | } |
andrewboyson | 60:1d8c7a1e7483 | 96 | } |
andrewboyson | 60:1d8c7a1e7483 | 97 | case 0x01: //33 33 00 01 |
andrewboyson | 60:1d8c7a1e7483 | 98 | { |
andrewboyson | 60:1d8c7a1e7483 | 99 | p++; if (*p != 0x00) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 100 | p++; |
andrewboyson | 60:1d8c7a1e7483 | 101 | switch (*p) //33 33 00 01 00 xx |
andrewboyson | 60:1d8c7a1e7483 | 102 | { |
andrewboyson | 60:1d8c7a1e7483 | 103 | case 0x03: return MULTICAST_LLMNR; |
andrewboyson | 60:1d8c7a1e7483 | 104 | default: return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 105 | } |
andrewboyson | 60:1d8c7a1e7483 | 106 | } |
andrewboyson | 60:1d8c7a1e7483 | 107 | default: return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 108 | } |
andrewboyson | 60:1d8c7a1e7483 | 109 | } |
andrewboyson | 60:1d8c7a1e7483 | 110 | case 0xff: //33 33 FF LL LL LL Solicited address |
andrewboyson | 60:1d8c7a1e7483 | 111 | { |
andrewboyson | 60:1d8c7a1e7483 | 112 | char* q = MacLocal + 3; |
andrewboyson | 60:1d8c7a1e7483 | 113 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 114 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 115 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 116 | return SOLICITED_NODE; |
andrewboyson | 60:1d8c7a1e7483 | 117 | } |
andrewboyson | 60:1d8c7a1e7483 | 118 | default: return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 119 | } |
andrewboyson | 60:1d8c7a1e7483 | 120 | } |
andrewboyson | 60:1d8c7a1e7483 | 121 | default: //Unicast to me |
andrewboyson | 60:1d8c7a1e7483 | 122 | { |
andrewboyson | 60:1d8c7a1e7483 | 123 | char* q = MacLocal; |
andrewboyson | 60:1d8c7a1e7483 | 124 | if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 125 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 126 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 127 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 128 | p++; if (*p != *q++) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 129 | p++; if (*p != *q) return DO_NOTHING; |
andrewboyson | 60:1d8c7a1e7483 | 130 | return UNICAST; |
andrewboyson | 60:1d8c7a1e7483 | 131 | } |
andrewboyson | 60:1d8c7a1e7483 | 132 | } |
andrewboyson | 60:1d8c7a1e7483 | 133 | } |
andrewboyson | 60:1d8c7a1e7483 | 134 | |
andrewboyson | 60:1d8c7a1e7483 | 135 | void MacMakeFromDest(int dest, int pro, char* p) |
andrewboyson | 60:1d8c7a1e7483 | 136 | { |
andrewboyson | 60:1d8c7a1e7483 | 137 | if (dest == BROADCAST) { *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p = 0xff; return; } |
andrewboyson | 60:1d8c7a1e7483 | 138 | |
andrewboyson | 60:1d8c7a1e7483 | 139 | if (pro == IPV4) |
andrewboyson | 60:1d8c7a1e7483 | 140 | { |
andrewboyson | 60:1d8c7a1e7483 | 141 | switch (dest) |
andrewboyson | 60:1d8c7a1e7483 | 142 | { |
andrewboyson | 60:1d8c7a1e7483 | 143 | case MULTICAST_NODE: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0x01; break; |
andrewboyson | 60:1d8c7a1e7483 | 144 | case MULTICAST_ROUTER: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0x02; break; |
andrewboyson | 60:1d8c7a1e7483 | 145 | case MULTICAST_MDNS: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0xfb; break; |
andrewboyson | 60:1d8c7a1e7483 | 146 | case MULTICAST_LLMNR: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0xfc; break; |
andrewboyson | 60:1d8c7a1e7483 | 147 | } |
andrewboyson | 60:1d8c7a1e7483 | 148 | } |
andrewboyson | 60:1d8c7a1e7483 | 149 | else |
andrewboyson | 60:1d8c7a1e7483 | 150 | { |
andrewboyson | 60:1d8c7a1e7483 | 151 | switch (dest) |
andrewboyson | 60:1d8c7a1e7483 | 152 | { |
andrewboyson | 60:1d8c7a1e7483 | 153 | case MULTICAST_NODE: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0x01; break; |
andrewboyson | 60:1d8c7a1e7483 | 154 | case MULTICAST_ROUTER: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0x02; break; |
andrewboyson | 60:1d8c7a1e7483 | 155 | case MULTICAST_MDNS: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0xfb; break; |
andrewboyson | 60:1d8c7a1e7483 | 156 | case MULTICAST_LLMNR: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x01; *p++ = 0x00; *p = 0x03; break; |
andrewboyson | 60:1d8c7a1e7483 | 157 | } |
andrewboyson | 60:1d8c7a1e7483 | 158 | } |
andrewboyson | 60:1d8c7a1e7483 | 159 | } |