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
ip6/ip6.cpp@35:93c39d260a83, 2017-09-22 (annotated)
- Committer:
- andrewboyson
- Date:
- Fri Sep 22 13:55:56 2017 +0000
- Revision:
- 35:93c39d260a83
- Parent:
- 34:e3a7bff69bfc
- Child:
- 36:900e24b27bfb
Added name resolution and address resolution
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
andrewboyson | 30:e34173b7585c | 1 | #include "mbed.h" |
andrewboyson | 30:e34173b7585c | 2 | #include "log.h" |
andrewboyson | 30:e34173b7585c | 3 | #include "net.h" |
andrewboyson | 30:e34173b7585c | 4 | #include "icmp6.h" |
andrewboyson | 30:e34173b7585c | 5 | #include "udptcp6.h" |
andrewboyson | 30:e34173b7585c | 6 | #include "ar.h" |
andrewboyson | 35:93c39d260a83 | 7 | #include "nr.h" |
andrewboyson | 30:e34173b7585c | 8 | #include "slaac.h" |
andrewboyson | 30:e34173b7585c | 9 | #include "eth.h" |
andrewboyson | 30:e34173b7585c | 10 | #include "ip.h" |
andrewboyson | 30:e34173b7585c | 11 | #include "ip6.h" |
andrewboyson | 30:e34173b7585c | 12 | #include "ra.h" |
andrewboyson | 30:e34173b7585c | 13 | #include "io.h" |
andrewboyson | 35:93c39d260a83 | 14 | #include "ntp.h" |
andrewboyson | 11:c051adb70c5a | 15 | |
andrewboyson | 11:c051adb70c5a | 16 | #define DEBUG false |
andrewboyson | 34:e3a7bff69bfc | 17 | #define SHOW_FILTERED true |
andrewboyson | 11:c051adb70c5a | 18 | |
andrewboyson | 14:e75a59c1123d | 19 | |
andrewboyson | 14:e75a59c1123d | 20 | static void addHexNibble(bool* pAdded, int number, int index, char** pp) |
andrewboyson | 14:e75a59c1123d | 21 | { |
andrewboyson | 14:e75a59c1123d | 22 | int nibble = number; |
andrewboyson | 14:e75a59c1123d | 23 | if (index) nibble >>= 4; |
andrewboyson | 14:e75a59c1123d | 24 | nibble &= 0xF; |
andrewboyson | 14:e75a59c1123d | 25 | |
andrewboyson | 14:e75a59c1123d | 26 | if (nibble || *pAdded) |
andrewboyson | 14:e75a59c1123d | 27 | { |
andrewboyson | 14:e75a59c1123d | 28 | **pp = nibble < 10 ? nibble + '0' : nibble - 10 + 'a'; |
andrewboyson | 14:e75a59c1123d | 29 | *pp += 1; |
andrewboyson | 14:e75a59c1123d | 30 | *pAdded = true; |
andrewboyson | 14:e75a59c1123d | 31 | } |
andrewboyson | 14:e75a59c1123d | 32 | } |
andrewboyson | 14:e75a59c1123d | 33 | int Ip6AddressToString(char* pIp, int size, char* pText) |
andrewboyson | 14:e75a59c1123d | 34 | { |
andrewboyson | 14:e75a59c1123d | 35 | char* pIpE = pIp + 16; |
andrewboyson | 14:e75a59c1123d | 36 | char* p = pText; |
andrewboyson | 14:e75a59c1123d | 37 | while (true) |
andrewboyson | 14:e75a59c1123d | 38 | { |
andrewboyson | 14:e75a59c1123d | 39 | bool added = false; |
andrewboyson | 14:e75a59c1123d | 40 | if (*pIp || *(pIp + 1)) |
andrewboyson | 14:e75a59c1123d | 41 | { |
andrewboyson | 14:e75a59c1123d | 42 | if (p > pText + size - 2) break; addHexNibble(&added, *(pIp + 0), 1, &p); |
andrewboyson | 14:e75a59c1123d | 43 | if (p > pText + size - 2) break; addHexNibble(&added, *(pIp + 0), 0, &p); |
andrewboyson | 14:e75a59c1123d | 44 | if (p > pText + size - 2) break; addHexNibble(&added, *(pIp + 1), 1, &p); |
andrewboyson | 14:e75a59c1123d | 45 | if (p > pText + size - 2) break; addHexNibble(&added, *(pIp + 1), 0, &p); |
andrewboyson | 14:e75a59c1123d | 46 | } |
andrewboyson | 14:e75a59c1123d | 47 | |
andrewboyson | 14:e75a59c1123d | 48 | pIp += 2; |
andrewboyson | 14:e75a59c1123d | 49 | if (pIp >= pIpE) break; |
andrewboyson | 14:e75a59c1123d | 50 | |
andrewboyson | 14:e75a59c1123d | 51 | if (p > pText + size - 2) break; *p++ = ':'; |
andrewboyson | 14:e75a59c1123d | 52 | } |
andrewboyson | 14:e75a59c1123d | 53 | *p = 0; |
andrewboyson | 14:e75a59c1123d | 54 | return p - pText; |
andrewboyson | 14:e75a59c1123d | 55 | } |
andrewboyson | 35:93c39d260a83 | 56 | bool Ip6IsSame(char* ipA, char* ipB) |
andrewboyson | 35:93c39d260a83 | 57 | { |
andrewboyson | 35:93c39d260a83 | 58 | return memcmp(ipA, ipB, 16) == 0; |
andrewboyson | 35:93c39d260a83 | 59 | } |
andrewboyson | 35:93c39d260a83 | 60 | bool Ip6IsEmpty(char* ip) |
andrewboyson | 35:93c39d260a83 | 61 | { |
andrewboyson | 35:93c39d260a83 | 62 | return !*ip; //Just check for the first byte being non zero |
andrewboyson | 35:93c39d260a83 | 63 | } |
andrewboyson | 35:93c39d260a83 | 64 | void Ip6CopyToFrom(char* ipTo, char* ipFrom) |
andrewboyson | 35:93c39d260a83 | 65 | { |
andrewboyson | 35:93c39d260a83 | 66 | memcpy(ipTo, ipFrom, 16); |
andrewboyson | 35:93c39d260a83 | 67 | } |
andrewboyson | 14:e75a59c1123d | 68 | |
andrewboyson | 11:c051adb70c5a | 69 | char Ip6AllNodes [] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}; |
andrewboyson | 11:c051adb70c5a | 70 | char Ip6AllRouters[] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}; |
andrewboyson | 11:c051adb70c5a | 71 | char Ip6Mdns [] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb}; |
andrewboyson | 11:c051adb70c5a | 72 | char Ip6Llmnr [] = {0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03}; |
andrewboyson | 11:c051adb70c5a | 73 | |
andrewboyson | 11:c051adb70c5a | 74 | void Ip6DestIpFromAction(int action, char* pDstIp) |
andrewboyson | 11:c051adb70c5a | 75 | { |
andrewboyson | 11:c051adb70c5a | 76 | switch (action) |
andrewboyson | 11:c051adb70c5a | 77 | { |
andrewboyson | 11:c051adb70c5a | 78 | case UNICAST: break; |
andrewboyson | 29:39277bf2003d | 79 | case UNICAST_DNS: memcpy(pDstIp, RaDnsServer, 16); break; |
andrewboyson | 35:93c39d260a83 | 80 | case UNICAST_NTP: memcpy(pDstIp, NtpServerIp6, 16); break; |
andrewboyson | 11:c051adb70c5a | 81 | case MULTICAST_NODE: memcpy(pDstIp, Ip6AllNodes, 16); break; |
andrewboyson | 11:c051adb70c5a | 82 | case MULTICAST_ROUTER: memcpy(pDstIp, Ip6AllRouters, 16); break; |
andrewboyson | 11:c051adb70c5a | 83 | case MULTICAST_MDNS: memcpy(pDstIp, Ip6Mdns, 16); break; |
andrewboyson | 11:c051adb70c5a | 84 | case MULTICAST_LLMNR: memcpy(pDstIp, Ip6Llmnr, 16); break; |
andrewboyson | 11:c051adb70c5a | 85 | default: |
andrewboyson | 11:c051adb70c5a | 86 | LogTimeF("Ip6 DestIpFromAction unknown action %d\r\n", action); |
andrewboyson | 11:c051adb70c5a | 87 | break; |
andrewboyson | 11:c051adb70c5a | 88 | } |
andrewboyson | 11:c051adb70c5a | 89 | } |
andrewboyson | 10:f0854784e960 | 90 | |
andrewboyson | 10:f0854784e960 | 91 | #define HEADER_LENGTH 40 |
andrewboyson | 10:f0854784e960 | 92 | __packed struct header |
andrewboyson | 10:f0854784e960 | 93 | { |
andrewboyson | 10:f0854784e960 | 94 | uint32_t versionTrafficFlow; |
andrewboyson | 10:f0854784e960 | 95 | uint16_t dataLength; |
andrewboyson | 10:f0854784e960 | 96 | uint8_t protocol; |
andrewboyson | 10:f0854784e960 | 97 | uint8_t hoplimit; |
andrewboyson | 10:f0854784e960 | 98 | char src[16]; |
andrewboyson | 10:f0854784e960 | 99 | char dst[16]; |
andrewboyson | 10:f0854784e960 | 100 | }; |
andrewboyson | 11:c051adb70c5a | 101 | |
andrewboyson | 11:c051adb70c5a | 102 | static uint8_t version; |
andrewboyson | 11:c051adb70c5a | 103 | static int dataLength; |
andrewboyson | 11:c051adb70c5a | 104 | static uint8_t protocol; |
andrewboyson | 11:c051adb70c5a | 105 | static uint8_t hoplimit; |
andrewboyson | 35:93c39d260a83 | 106 | static char srcIp[16]; |
andrewboyson | 35:93c39d260a83 | 107 | static char dstIp[16]; |
andrewboyson | 11:c051adb70c5a | 108 | static void* pData; |
andrewboyson | 11:c051adb70c5a | 109 | |
andrewboyson | 35:93c39d260a83 | 110 | void Ip6LogHeaderSrc() |
andrewboyson | 35:93c39d260a83 | 111 | { |
andrewboyson | 35:93c39d260a83 | 112 | char text[64]; |
andrewboyson | 35:93c39d260a83 | 113 | Ip6AddressToString(srcIp, sizeof(text), text); |
andrewboyson | 35:93c39d260a83 | 114 | Log(text); |
andrewboyson | 35:93c39d260a83 | 115 | } |
andrewboyson | 35:93c39d260a83 | 116 | void Ip6LogHeaderDst() |
andrewboyson | 35:93c39d260a83 | 117 | { |
andrewboyson | 35:93c39d260a83 | 118 | char text[64]; |
andrewboyson | 35:93c39d260a83 | 119 | Ip6AddressToString(dstIp, sizeof(text), text); |
andrewboyson | 35:93c39d260a83 | 120 | Log(text); |
andrewboyson | 35:93c39d260a83 | 121 | } |
andrewboyson | 35:93c39d260a83 | 122 | |
andrewboyson | 11:c051adb70c5a | 123 | static void readHeader(struct header * pHeader) |
andrewboyson | 11:c051adb70c5a | 124 | { |
andrewboyson | 11:c051adb70c5a | 125 | version = (pHeader->versionTrafficFlow >> 4) & 0xF; |
andrewboyson | 11:c051adb70c5a | 126 | dataLength = NetToHost16(pHeader->dataLength); |
andrewboyson | 11:c051adb70c5a | 127 | protocol = pHeader->protocol; |
andrewboyson | 11:c051adb70c5a | 128 | hoplimit = pHeader->hoplimit; |
andrewboyson | 35:93c39d260a83 | 129 | memcpy(srcIp, pHeader->src, 16); |
andrewboyson | 35:93c39d260a83 | 130 | memcpy(dstIp, pHeader->dst, 16); |
andrewboyson | 11:c051adb70c5a | 131 | pData = (char*)pHeader + HEADER_LENGTH; |
andrewboyson | 11:c051adb70c5a | 132 | } |
andrewboyson | 11:c051adb70c5a | 133 | static void writeHeader(struct header * pHeader) |
andrewboyson | 11:c051adb70c5a | 134 | { |
andrewboyson | 11:c051adb70c5a | 135 | pHeader->versionTrafficFlow = version << 4; |
andrewboyson | 11:c051adb70c5a | 136 | pHeader->protocol = protocol; |
andrewboyson | 11:c051adb70c5a | 137 | pHeader->hoplimit = 255; |
andrewboyson | 35:93c39d260a83 | 138 | memcpy(pHeader->dst, dstIp, 16); |
andrewboyson | 35:93c39d260a83 | 139 | memcpy(pHeader->src, srcIp, 16); |
andrewboyson | 11:c051adb70c5a | 140 | pHeader->dataLength = NetToHost16(dataLength); |
andrewboyson | 11:c051adb70c5a | 141 | } |
andrewboyson | 11:c051adb70c5a | 142 | |
andrewboyson | 11:c051adb70c5a | 143 | static void logHeader(char* title) |
andrewboyson | 11:c051adb70c5a | 144 | { |
andrewboyson | 11:c051adb70c5a | 145 | char text[100]; |
andrewboyson | 11:c051adb70c5a | 146 | LogTimeF("%s\r\n", title); |
andrewboyson | 11:c051adb70c5a | 147 | LogF(" Version %d\r\n", version); |
andrewboyson | 11:c051adb70c5a | 148 | LogF(" Payload length %d\r\n", dataLength); |
andrewboyson | 11:c051adb70c5a | 149 | LogF(" Hop limit %d\r\n", hoplimit); |
andrewboyson | 14:e75a59c1123d | 150 | IpProtocolToString(protocol, sizeof(text), text); |
andrewboyson | 11:c051adb70c5a | 151 | LogF(" Protocol %s\r\n", text); |
andrewboyson | 35:93c39d260a83 | 152 | Ip6AddressToString(srcIp, sizeof(text), text); |
andrewboyson | 11:c051adb70c5a | 153 | LogF(" Source IP %s\r\n", text); |
andrewboyson | 35:93c39d260a83 | 154 | Ip6AddressToString(dstIp, sizeof(text), text); |
andrewboyson | 11:c051adb70c5a | 155 | LogF(" Destination IP %s\r\n", text); |
andrewboyson | 11:c051adb70c5a | 156 | } |
andrewboyson | 11:c051adb70c5a | 157 | |
andrewboyson | 10:f0854784e960 | 158 | static bool getIsSolicited(char* p) |
andrewboyson | 10:f0854784e960 | 159 | { |
andrewboyson | 10:f0854784e960 | 160 | if (*p++ != 0xff) return false; |
andrewboyson | 10:f0854784e960 | 161 | if (*p++ != 0x02) return false; |
andrewboyson | 10:f0854784e960 | 162 | |
andrewboyson | 10:f0854784e960 | 163 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 164 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 165 | |
andrewboyson | 10:f0854784e960 | 166 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 167 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 168 | |
andrewboyson | 10:f0854784e960 | 169 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 170 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 171 | |
andrewboyson | 10:f0854784e960 | 172 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 173 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 174 | |
andrewboyson | 10:f0854784e960 | 175 | if (*p++ != 0x00) return false; |
andrewboyson | 10:f0854784e960 | 176 | if (*p++ != 0x01) return false; |
andrewboyson | 10:f0854784e960 | 177 | |
andrewboyson | 10:f0854784e960 | 178 | if (*p++ != 0xff) return false; |
andrewboyson | 10:f0854784e960 | 179 | |
andrewboyson | 10:f0854784e960 | 180 | return true; |
andrewboyson | 10:f0854784e960 | 181 | } |
andrewboyson | 10:f0854784e960 | 182 | static bool getIsSameGroup(char* pA, char* pB) |
andrewboyson | 10:f0854784e960 | 183 | { |
andrewboyson | 10:f0854784e960 | 184 | pA += 13; |
andrewboyson | 10:f0854784e960 | 185 | pB += 13; |
andrewboyson | 10:f0854784e960 | 186 | if (*pA++ != *pB++) return false; |
andrewboyson | 10:f0854784e960 | 187 | if (*pA++ != *pB++) return false; |
andrewboyson | 10:f0854784e960 | 188 | return *pA == *pB; |
andrewboyson | 10:f0854784e960 | 189 | } |
andrewboyson | 10:f0854784e960 | 190 | int Ip6HandleReceivedPacket(char* pSrcMac, void* pPacket, int* pSize, char* pDstMac) |
andrewboyson | 10:f0854784e960 | 191 | { |
andrewboyson | 10:f0854784e960 | 192 | struct header * pHeader = (header*)pPacket; |
andrewboyson | 11:c051adb70c5a | 193 | readHeader(pHeader); |
andrewboyson | 10:f0854784e960 | 194 | |
andrewboyson | 35:93c39d260a83 | 195 | bool isMe = SlaacIsMe(dstIp); |
andrewboyson | 35:93c39d260a83 | 196 | bool isMulticast = dstIp[0] == 0xFF; |
andrewboyson | 35:93c39d260a83 | 197 | bool isSolicited = getIsSolicited(dstIp); |
andrewboyson | 35:93c39d260a83 | 198 | bool isGroup = getIsSameGroup(dstIp, SlaacLinkLocalIp); |
andrewboyson | 10:f0854784e960 | 199 | |
andrewboyson | 34:e3a7bff69bfc | 200 | bool doIt = isMe || (isMulticast && !isSolicited) || (isGroup && isSolicited); |
andrewboyson | 10:f0854784e960 | 201 | |
andrewboyson | 14:e75a59c1123d | 202 | if (!doIt) |
andrewboyson | 14:e75a59c1123d | 203 | { |
andrewboyson | 34:e3a7bff69bfc | 204 | if (DEBUG || SHOW_FILTERED) |
andrewboyson | 15:6ca6778168b1 | 205 | { |
andrewboyson | 15:6ca6778168b1 | 206 | char text[100]; |
andrewboyson | 35:93c39d260a83 | 207 | Ip6AddressToString(dstIp, sizeof(text), text); |
andrewboyson | 15:6ca6778168b1 | 208 | LogTimeF("IP6 filtered out ip %s ", text); |
andrewboyson | 35:93c39d260a83 | 209 | Ip6AddressToString(srcIp, sizeof(text), text); |
andrewboyson | 15:6ca6778168b1 | 210 | LogF("from %s \r\n", text); |
andrewboyson | 15:6ca6778168b1 | 211 | } |
andrewboyson | 14:e75a59c1123d | 212 | return DO_NOTHING; |
andrewboyson | 14:e75a59c1123d | 213 | } |
andrewboyson | 10:f0854784e960 | 214 | |
andrewboyson | 35:93c39d260a83 | 215 | ArAddIp6Record(pSrcMac, srcIp); |
andrewboyson | 35:93c39d260a83 | 216 | NrMakeRequestForNameFromIp6(srcIp); |
andrewboyson | 11:c051adb70c5a | 217 | |
andrewboyson | 11:c051adb70c5a | 218 | if (DEBUG) logHeader("IP6 packet received"); |
andrewboyson | 11:c051adb70c5a | 219 | |
andrewboyson | 10:f0854784e960 | 220 | int action = DO_NOTHING; |
andrewboyson | 10:f0854784e960 | 221 | switch (protocol) |
andrewboyson | 10:f0854784e960 | 222 | { |
andrewboyson | 35:93c39d260a83 | 223 | case HOPOPT: action = DO_NOTHING; break; |
andrewboyson | 35:93c39d260a83 | 224 | case ICMP6: action = Icmp6HandleReceivedPacket(srcIp, dstIp, &dataLength, pData); break; |
andrewboyson | 35:93c39d260a83 | 225 | case UDP: action = Udp6HandleReceivedPacket(srcIp, dstIp, &dataLength, pData); break; |
andrewboyson | 35:93c39d260a83 | 226 | case TCP: action = Tcp6HandleReceivedPacket(srcIp, dstIp, &dataLength, pData); break; |
andrewboyson | 10:f0854784e960 | 227 | default: |
andrewboyson | 11:c051adb70c5a | 228 | logHeader("IP6 packet unhandled"); |
andrewboyson | 10:f0854784e960 | 229 | return DO_NOTHING; |
andrewboyson | 10:f0854784e960 | 230 | } |
andrewboyson | 11:c051adb70c5a | 231 | if (!action) return DO_NOTHING; |
andrewboyson | 11:c051adb70c5a | 232 | |
andrewboyson | 11:c051adb70c5a | 233 | memcpy(pDstMac, pSrcMac, 6); |
andrewboyson | 11:c051adb70c5a | 234 | |
andrewboyson | 11:c051adb70c5a | 235 | if (DEBUG) logHeader("IP6 packet replied to"); |
andrewboyson | 10:f0854784e960 | 236 | |
andrewboyson | 11:c051adb70c5a | 237 | writeHeader(pHeader); |
andrewboyson | 11:c051adb70c5a | 238 | |
andrewboyson | 10:f0854784e960 | 239 | *pSize = HEADER_LENGTH + dataLength; |
andrewboyson | 10:f0854784e960 | 240 | |
andrewboyson | 10:f0854784e960 | 241 | return action; |
andrewboyson | 10:f0854784e960 | 242 | } |
andrewboyson | 10:f0854784e960 | 243 | int Ip6PollForPacketToSend(void* pPacket, int* pSize, char* pDstMac) |
andrewboyson | 10:f0854784e960 | 244 | { |
andrewboyson | 11:c051adb70c5a | 245 | pData = (char*)pPacket + HEADER_LENGTH; |
andrewboyson | 11:c051adb70c5a | 246 | dataLength = 0; |
andrewboyson | 11:c051adb70c5a | 247 | version = 6; |
andrewboyson | 11:c051adb70c5a | 248 | hoplimit = 255; |
andrewboyson | 10:f0854784e960 | 249 | |
andrewboyson | 10:f0854784e960 | 250 | int action = DO_NOTHING; |
andrewboyson | 10:f0854784e960 | 251 | if (action == DO_NOTHING) |
andrewboyson | 10:f0854784e960 | 252 | { |
andrewboyson | 35:93c39d260a83 | 253 | action = Icmp6PollForPacketToSend(pData, &dataLength, srcIp, dstIp); |
andrewboyson | 10:f0854784e960 | 254 | protocol = ICMP6; |
andrewboyson | 10:f0854784e960 | 255 | } |
andrewboyson | 10:f0854784e960 | 256 | |
andrewboyson | 10:f0854784e960 | 257 | if (action == DO_NOTHING) |
andrewboyson | 10:f0854784e960 | 258 | { |
andrewboyson | 35:93c39d260a83 | 259 | action = Udp6PollForPacketToSend(pData, &dataLength, srcIp, dstIp); |
andrewboyson | 10:f0854784e960 | 260 | protocol = UDP; |
andrewboyson | 10:f0854784e960 | 261 | } |
andrewboyson | 11:c051adb70c5a | 262 | if (!action) return DO_NOTHING; |
andrewboyson | 11:c051adb70c5a | 263 | switch (action) |
andrewboyson | 11:c051adb70c5a | 264 | { |
andrewboyson | 11:c051adb70c5a | 265 | case UNICAST: |
andrewboyson | 11:c051adb70c5a | 266 | case UNICAST_DNS: |
andrewboyson | 11:c051adb70c5a | 267 | case UNICAST_DHCP: |
andrewboyson | 22:914b970356f0 | 268 | case UNICAST_NTP: |
andrewboyson | 35:93c39d260a83 | 269 | ArIpToMac6(dstIp, pDstMac); //Make the remote MAC from NP |
andrewboyson | 11:c051adb70c5a | 270 | break; |
andrewboyson | 22:914b970356f0 | 271 | case MULTICAST_NODE: |
andrewboyson | 22:914b970356f0 | 272 | case MULTICAST_ROUTER: |
andrewboyson | 22:914b970356f0 | 273 | case MULTICAST_MDNS: |
andrewboyson | 22:914b970356f0 | 274 | case MULTICAST_LLMNR: |
andrewboyson | 22:914b970356f0 | 275 | case SOLICITED_NODE: |
andrewboyson | 22:914b970356f0 | 276 | break; |
andrewboyson | 22:914b970356f0 | 277 | default: |
andrewboyson | 22:914b970356f0 | 278 | LogTimeF("Ip6PollForPacketToSend - undefined action %d\r\n", action); |
andrewboyson | 22:914b970356f0 | 279 | break; |
andrewboyson | 22:914b970356f0 | 280 | |
andrewboyson | 11:c051adb70c5a | 281 | } |
andrewboyson | 11:c051adb70c5a | 282 | |
andrewboyson | 11:c051adb70c5a | 283 | if (DEBUG) logHeader("IP6 polled packet sent"); |
andrewboyson | 10:f0854784e960 | 284 | |
andrewboyson | 11:c051adb70c5a | 285 | writeHeader((header*)pPacket); |
andrewboyson | 11:c051adb70c5a | 286 | |
andrewboyson | 10:f0854784e960 | 287 | *pSize = HEADER_LENGTH + dataLength; |
andrewboyson | 10:f0854784e960 | 288 | |
andrewboyson | 10:f0854784e960 | 289 | return action; |
andrewboyson | 10:f0854784e960 | 290 | } |