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ip6/icmp/ndp/rs.c@103:9cf35a5b9d56, 2019-01-08 (annotated)

Committer:
andrewboyson
Date:
Tue Jan 08 20:43:21 2019 +0000
Revision:
103:9cf35a5b9d56
Parent:
61:aad055f1b0d1
Child:
119:8e1a7805b801
Updated clock library

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 46:40d33e9037e4 4 #include "log.h"
andrewboyson 46:40d33e9037e4 5 #include "net.h"
andrewboyson 46:40d33e9037e4 6 #include "ndp.h"
andrewboyson 46:40d33e9037e4 7 #include "ip6.h"
andrewboyson 46:40d33e9037e4 8 #include "slaac.h"
andrewboyson 46:40d33e9037e4 9 #include "action.h"
andrewboyson 46:40d33e9037e4 10 #include "mac.h"
andrewboyson 46:40d33e9037e4 11
andrewboyson 46:40d33e9037e4 12 bool RsTrace = false;
andrewboyson 46:40d33e9037e4 13
andrewboyson 47:73af5c0b0dc2 14 bool RsSendSolicitation = false;
andrewboyson 47:73af5c0b0dc2 15
andrewboyson 47:73af5c0b0dc2 16 __packed struct header
andrewboyson 47:73af5c0b0dc2 17 {
andrewboyson 47:73af5c0b0dc2 18 uint32_t reserved;
andrewboyson 47:73af5c0b0dc2 19 };
andrewboyson 46:40d33e9037e4 20
andrewboyson 47:73af5c0b0dc2 21 static void logHeader(void* pPacket, int size)
andrewboyson 47:73af5c0b0dc2 22 {
andrewboyson 61:aad055f1b0d1 23 struct header* pHeader = (struct header*)pPacket;
andrewboyson 47:73af5c0b0dc2 24 char* pData = (char*)pHeader + sizeof(struct header);
andrewboyson 47:73af5c0b0dc2 25 int dataLength = size - sizeof(struct header);
andrewboyson 47:73af5c0b0dc2 26
andrewboyson 47:73af5c0b0dc2 27 if (NetTraceVerbose)
andrewboyson 47:73af5c0b0dc2 28 {
andrewboyson 47:73af5c0b0dc2 29 Log("RS header\r\n");
andrewboyson 47:73af5c0b0dc2 30 LogF(" Size %d\r\n", size);
andrewboyson 47:73af5c0b0dc2 31 NdpLogOptionsVerbose(pData, dataLength);
andrewboyson 47:73af5c0b0dc2 32 }
andrewboyson 47:73af5c0b0dc2 33 else
andrewboyson 47:73af5c0b0dc2 34 {
andrewboyson 47:73af5c0b0dc2 35 Log("RS header");
andrewboyson 47:73af5c0b0dc2 36 NdpLogOptionsQuiet(pData, dataLength);
andrewboyson 47:73af5c0b0dc2 37 Log("\r\n");
andrewboyson 47:73af5c0b0dc2 38 }
andrewboyson 47:73af5c0b0dc2 39 }
andrewboyson 46:40d33e9037e4 40 int RsGetWaitingSolicitation(void* pPacket, int* pSize, uint8_t* pType, uint8_t* pCode)
andrewboyson 46:40d33e9037e4 41 {
andrewboyson 47:73af5c0b0dc2 42 if (!RsSendSolicitation) return DO_NOTHING;
andrewboyson 47:73af5c0b0dc2 43 RsSendSolicitation = false;
andrewboyson 46:40d33e9037e4 44
andrewboyson 46:40d33e9037e4 45 *pType = 133; //Router solicitation
andrewboyson 46:40d33e9037e4 46 *pCode = 0;
andrewboyson 46:40d33e9037e4 47
andrewboyson 61:aad055f1b0d1 48 struct header* pHeader = (struct header*)pPacket;
andrewboyson 47:73af5c0b0dc2 49 pHeader->reserved = 0;
andrewboyson 47:73af5c0b0dc2 50
andrewboyson 46:40d33e9037e4 51 char* pData = (char*)pHeader + sizeof(struct header);
andrewboyson 46:40d33e9037e4 52 char* p = pData;
andrewboyson 46:40d33e9037e4 53 p += NdpAddOptionSourceMac(p, MacLocal);
andrewboyson 46:40d33e9037e4 54
andrewboyson 46:40d33e9037e4 55 *pSize = sizeof(struct header) + p - pData;
andrewboyson 46:40d33e9037e4 56
andrewboyson 46:40d33e9037e4 57 if (RsTrace)
andrewboyson 46:40d33e9037e4 58 {
andrewboyson 46:40d33e9037e4 59 if (NetTraceNewLine) Log("\r\n");
andrewboyson 46:40d33e9037e4 60 LogTime("NDP send router solicit\r\n");
andrewboyson 47:73af5c0b0dc2 61 logHeader(pPacket, *pSize);
andrewboyson 46:40d33e9037e4 62 }
andrewboyson 46:40d33e9037e4 63
andrewboyson 46:40d33e9037e4 64 return ActionMakeFromDestAndTrace(MULTICAST_ROUTER, RsTrace && NetTraceStack);
andrewboyson 46:40d33e9037e4 65
andrewboyson 46:40d33e9037e4 66 }