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

eth/mac.c@140:9000ea70b220, 2019-04-10 (annotated)

Committer:
andrewboyson
Date:
Wed Apr 10 10:07:06 2019 +0000
Revision:
140:9000ea70b220
Parent:
105:ef2dd21d808c
Child:
143:8cec8f08dc54
Added ajax functions to AR4, AR6, NR4, NR6 modules

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 61:aad055f1b0d1 1 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 2 #include <string.h>
andrewboyson 61:aad055f1b0d1 3 #include <stdio.h>
andrewboyson 61:aad055f1b0d1 4
andrewboyson 60:1d8c7a1e7483 5 #include "log.h"
andrewboyson 60:1d8c7a1e7483 6 #include "net.h"
andrewboyson 60:1d8c7a1e7483 7 #include "action.h"
andrewboyson 60:1d8c7a1e7483 8 #include "eth.h"
andrewboyson 60:1d8c7a1e7483 9 #include "http.h"
andrewboyson 60:1d8c7a1e7483 10
andrewboyson 60:1d8c7a1e7483 11 char MacLocal[6];
andrewboyson 60:1d8c7a1e7483 12 void MacClear(char* mac)
andrewboyson 60:1d8c7a1e7483 13 {
andrewboyson 60:1d8c7a1e7483 14 memset(mac, 0, 6);
andrewboyson 60:1d8c7a1e7483 15 }
andrewboyson 60:1d8c7a1e7483 16 void MacCopy(char* macTo, char* macFrom)
andrewboyson 60:1d8c7a1e7483 17 {
andrewboyson 60:1d8c7a1e7483 18 memcpy(macTo, macFrom, 6);
andrewboyson 60:1d8c7a1e7483 19 }
andrewboyson 60:1d8c7a1e7483 20 bool MacIsSame(char* macA, char* macB)
andrewboyson 60:1d8c7a1e7483 21 {
andrewboyson 60:1d8c7a1e7483 22 return memcmp(macA, macB, 6) == 0;
andrewboyson 60:1d8c7a1e7483 23 }
andrewboyson 60:1d8c7a1e7483 24 bool MacIsEmpty(char* mac)
andrewboyson 60:1d8c7a1e7483 25 {
andrewboyson 60:1d8c7a1e7483 26 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 mac++; if (*mac) return false;
andrewboyson 60:1d8c7a1e7483 30 mac++; if (*mac) return false;
andrewboyson 60:1d8c7a1e7483 31 mac++; if (*mac) return false;
andrewboyson 60:1d8c7a1e7483 32 return true;
andrewboyson 60:1d8c7a1e7483 33 }
andrewboyson 60:1d8c7a1e7483 34
andrewboyson 60:1d8c7a1e7483 35 int MacToString(char* mac, int size, char* text)
andrewboyson 60:1d8c7a1e7483 36 {
andrewboyson 60:1d8c7a1e7483 37 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 38 }
andrewboyson 60:1d8c7a1e7483 39 int MacLog(char* mac)
andrewboyson 60:1d8c7a1e7483 40 {
andrewboyson 60:1d8c7a1e7483 41 return LogF("%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
andrewboyson 60:1d8c7a1e7483 42 }
andrewboyson 60:1d8c7a1e7483 43 int MacHttp(char* mac)
andrewboyson 60:1d8c7a1e7483 44 {
andrewboyson 60:1d8c7a1e7483 45 return HttpAddF("%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
andrewboyson 60:1d8c7a1e7483 46 }
andrewboyson 60:1d8c7a1e7483 47
andrewboyson 60:1d8c7a1e7483 48 int MacAccept(char* p)
andrewboyson 60:1d8c7a1e7483 49 {
andrewboyson 60:1d8c7a1e7483 50 switch (*p)
andrewboyson 60:1d8c7a1e7483 51 {
andrewboyson 60:1d8c7a1e7483 52 case 0xff: //Broadcast
andrewboyson 60:1d8c7a1e7483 53 {
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 p++; if (*p != 0xff) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 57 p++; if (*p != 0xff) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 58 p++; if (*p != 0xff) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 59 return BROADCAST;
andrewboyson 60:1d8c7a1e7483 60 }
andrewboyson 60:1d8c7a1e7483 61 case 0x01: //Multicast IP4
andrewboyson 60:1d8c7a1e7483 62 {
andrewboyson 105:ef2dd21d808c 63 p++; if (*p != 0x00) return DO_NOTHING; //01 00
andrewboyson 105:ef2dd21d808c 64 p++; if (*p != 0x5e) return DO_NOTHING; //01 00 5E
andrewboyson 105:ef2dd21d808c 65 p++; if (*p != 0x00) return DO_NOTHING; //01 00 5E 00
andrewboyson 60:1d8c7a1e7483 66 p++;
andrewboyson 105:ef2dd21d808c 67 switch (*p)
andrewboyson 60:1d8c7a1e7483 68 {
andrewboyson 105:ef2dd21d808c 69 case 0x00: //01 00 5E 00 00
andrewboyson 105:ef2dd21d808c 70 p++;
andrewboyson 105:ef2dd21d808c 71 switch (*p) //01 00 5E 00 00 xx
andrewboyson 105:ef2dd21d808c 72 {
andrewboyson 105:ef2dd21d808c 73 case 0x01: return MULTICAST_NODE;
andrewboyson 105:ef2dd21d808c 74 case 0x02: return MULTICAST_ROUTER;
andrewboyson 105:ef2dd21d808c 75 case 0xfb: return MULTICAST_MDNS;
andrewboyson 105:ef2dd21d808c 76 case 0xfc: return MULTICAST_LLMNR;
andrewboyson 105:ef2dd21d808c 77 default: return DO_NOTHING;
andrewboyson 105:ef2dd21d808c 78 }
andrewboyson 105:ef2dd21d808c 79 case 0x01: //01 00 5E 00 01
andrewboyson 105:ef2dd21d808c 80 p++;
andrewboyson 105:ef2dd21d808c 81 switch (*p) //01 00 5E 00 01 xx
andrewboyson 105:ef2dd21d808c 82 {
andrewboyson 105:ef2dd21d808c 83 case 0x01: return MULTICAST_NTP;
andrewboyson 105:ef2dd21d808c 84 default: return DO_NOTHING;
andrewboyson 105:ef2dd21d808c 85 }
andrewboyson 105:ef2dd21d808c 86 default: return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 87 }
andrewboyson 60:1d8c7a1e7483 88 }
andrewboyson 60:1d8c7a1e7483 89 case 0x33: //Multicast IP6
andrewboyson 60:1d8c7a1e7483 90 {
andrewboyson 60:1d8c7a1e7483 91 p++; if (*p != 0x33) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 92 p++;
andrewboyson 60:1d8c7a1e7483 93 switch (*p) //33 33
andrewboyson 60:1d8c7a1e7483 94 {
andrewboyson 60:1d8c7a1e7483 95 case 0x00: //33 33 00 Special address
andrewboyson 60:1d8c7a1e7483 96 {
andrewboyson 60:1d8c7a1e7483 97 p++;
andrewboyson 60:1d8c7a1e7483 98 switch (*p)
andrewboyson 60:1d8c7a1e7483 99 {
andrewboyson 60:1d8c7a1e7483 100 case 0x00: //33 33 00 00
andrewboyson 60:1d8c7a1e7483 101 {
andrewboyson 105:ef2dd21d808c 102 p++;
andrewboyson 105:ef2dd21d808c 103 switch (*p)
andrewboyson 60:1d8c7a1e7483 104 {
andrewboyson 105:ef2dd21d808c 105 case 0x00:
andrewboyson 105:ef2dd21d808c 106 p++;
andrewboyson 105:ef2dd21d808c 107 switch (*p) //33 33 00 00 00 xx
andrewboyson 105:ef2dd21d808c 108 {
andrewboyson 105:ef2dd21d808c 109 case 0x01: return MULTICAST_NODE;
andrewboyson 105:ef2dd21d808c 110 case 0x02: return MULTICAST_ROUTER;
andrewboyson 105:ef2dd21d808c 111 case 0xfb: return MULTICAST_MDNS;
andrewboyson 105:ef2dd21d808c 112 default: return DO_NOTHING;
andrewboyson 105:ef2dd21d808c 113 }
andrewboyson 105:ef2dd21d808c 114 case 0x01:
andrewboyson 105:ef2dd21d808c 115 p++;
andrewboyson 105:ef2dd21d808c 116 switch (*p) //33 33 00 00 01 xx
andrewboyson 105:ef2dd21d808c 117 {
andrewboyson 105:ef2dd21d808c 118 case 0x01: return MULTICAST_NTP;
andrewboyson 105:ef2dd21d808c 119 default: return DO_NOTHING;
andrewboyson 105:ef2dd21d808c 120 }
andrewboyson 105:ef2dd21d808c 121 default: return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 122 }
andrewboyson 60:1d8c7a1e7483 123 }
andrewboyson 60:1d8c7a1e7483 124 case 0x01: //33 33 00 01
andrewboyson 60:1d8c7a1e7483 125 {
andrewboyson 60:1d8c7a1e7483 126 p++; if (*p != 0x00) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 127 p++;
andrewboyson 60:1d8c7a1e7483 128 switch (*p) //33 33 00 01 00 xx
andrewboyson 60:1d8c7a1e7483 129 {
andrewboyson 60:1d8c7a1e7483 130 case 0x03: return MULTICAST_LLMNR;
andrewboyson 60:1d8c7a1e7483 131 default: return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 132 }
andrewboyson 60:1d8c7a1e7483 133 }
andrewboyson 60:1d8c7a1e7483 134 default: return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 135 }
andrewboyson 60:1d8c7a1e7483 136 }
andrewboyson 60:1d8c7a1e7483 137 case 0xff: //33 33 FF LL LL LL Solicited address
andrewboyson 60:1d8c7a1e7483 138 {
andrewboyson 60:1d8c7a1e7483 139 char* q = MacLocal + 3;
andrewboyson 60:1d8c7a1e7483 140 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 141 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 142 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 143 return SOLICITED_NODE;
andrewboyson 60:1d8c7a1e7483 144 }
andrewboyson 60:1d8c7a1e7483 145 default: return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 146 }
andrewboyson 60:1d8c7a1e7483 147 }
andrewboyson 60:1d8c7a1e7483 148 default: //Unicast to me
andrewboyson 60:1d8c7a1e7483 149 {
andrewboyson 60:1d8c7a1e7483 150 char* q = MacLocal;
andrewboyson 60:1d8c7a1e7483 151 if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 152 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 153 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 154 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 155 p++; if (*p != *q++) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 156 p++; if (*p != *q) return DO_NOTHING;
andrewboyson 60:1d8c7a1e7483 157 return UNICAST;
andrewboyson 60:1d8c7a1e7483 158 }
andrewboyson 60:1d8c7a1e7483 159 }
andrewboyson 60:1d8c7a1e7483 160 }
andrewboyson 60:1d8c7a1e7483 161
andrewboyson 60:1d8c7a1e7483 162 void MacMakeFromDest(int dest, int pro, char* p)
andrewboyson 60:1d8c7a1e7483 163 {
andrewboyson 60:1d8c7a1e7483 164 if (dest == BROADCAST) { *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p++ = 0xff; *p = 0xff; return; }
andrewboyson 60:1d8c7a1e7483 165
andrewboyson 60:1d8c7a1e7483 166 if (pro == IPV4)
andrewboyson 60:1d8c7a1e7483 167 {
andrewboyson 60:1d8c7a1e7483 168 switch (dest)
andrewboyson 60:1d8c7a1e7483 169 {
andrewboyson 60:1d8c7a1e7483 170 case MULTICAST_NODE: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0x01; break;
andrewboyson 60:1d8c7a1e7483 171 case MULTICAST_ROUTER: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0x02; break;
andrewboyson 60:1d8c7a1e7483 172 case MULTICAST_MDNS: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0xfb; break;
andrewboyson 60:1d8c7a1e7483 173 case MULTICAST_LLMNR: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x00; *p = 0xfc; break;
andrewboyson 105:ef2dd21d808c 174 case MULTICAST_NTP: *p++ = 0x01; *p++ = 0x00; *p++ = 0x5e; *p++ = 0x00; *p++ = 0x01; *p = 0x01; break;
andrewboyson 60:1d8c7a1e7483 175 }
andrewboyson 60:1d8c7a1e7483 176 }
andrewboyson 60:1d8c7a1e7483 177 else
andrewboyson 60:1d8c7a1e7483 178 {
andrewboyson 60:1d8c7a1e7483 179 switch (dest)
andrewboyson 60:1d8c7a1e7483 180 {
andrewboyson 60:1d8c7a1e7483 181 case MULTICAST_NODE: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0x01; break;
andrewboyson 60:1d8c7a1e7483 182 case MULTICAST_ROUTER: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0x02; break;
andrewboyson 60:1d8c7a1e7483 183 case MULTICAST_MDNS: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x00; *p = 0xfb; break;
andrewboyson 60:1d8c7a1e7483 184 case MULTICAST_LLMNR: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x01; *p++ = 0x00; *p = 0x03; break;
andrewboyson 105:ef2dd21d808c 185 case MULTICAST_NTP: *p++ = 0x33; *p++ = 0x33; *p++ = 0x00; *p++ = 0x00; *p++ = 0x01; *p = 0x01; break;
andrewboyson 60:1d8c7a1e7483 186 }
andrewboyson 60:1d8c7a1e7483 187 }
andrewboyson 60:1d8c7a1e7483 188 }