icmpv6rpl.h

Go to the documentation of this file.

#ifndef __ICMPv6RPL_H
#define __ICMPv6RPL_H

#include "opentimers.h"

//=========================== define ==========================================

#define TIMER_DIO_TIMEOUT         1700
#define TIMER_DAO_TIMEOUT         10000

#define MOP_DIO_A                 1<<5
#define MOP_DIO_B                 1<<4
#define MOP_DIO_C                 1<<3
#define PRF_DIO_A                 0<<2
#define PRF_DIO_B                 0<<1
#define PRF_DIO_C                 0<<0
#define G_DIO                     1<<7

#define FLAG_DAO_A                0<<0
#define FLAG_DAO_B                0<<1
#define FLAG_DAO_C                0<<2
#define FLAG_DAO_D                0<<3
#define FLAG_DAO_E                0<<4
#define FLAG_DAO_F                0<<5
#define D_DAO                     1<<6
#define K_DAO                     0<<7

#define E_DAO_Transit_Info        0<<7

#define PC1_A_DAO_Transit_Info    0<<7
#define PC1_B_DAO_Transit_Info    1<<6

#define PC2_A_DAO_Transit_Info    0<<5
#define PC2_B_DAO_Transit_Info    0<<4

#define PC3_A_DAO_Transit_Info    0<<3
#define PC3_B_DAO_Transit_Info    0<<2

#define PC4_A_DAO_Transit_Info    0<<1
#define PC4_B_DAO_Transit_Info    0<<0

#define Prf_A_dio_options         0<<4
#define Prf_B_dio_options         0<<3

// max number of parents and children to send in DAO
//section 8.2.1 pag 67 RFC6550 -- using a subset
#define MAX_TARGET_PARENTS        0x01

enum{
  OPTION_ROUTE_INFORMATION_TYPE   = 0x03,
  OPTION_DODAG_CONFIGURATION_TYPE = 0x04,
  OPTION_TARGET_INFORMATION_TYPE  = 0x05,
  OPTION_TRANSIT_INFORMATION_TYPE = 0x06,
};

//=========================== static ==========================================

static const uint8_t all_routers_multicast[] = {
   0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02
};

//=========================== typedef =========================================

//===== DIO

BEGIN_PACK
typedef struct {
   uint8_t         rplinstanceId;      
   uint8_t         verNumb;
   dagrank_t       rank;
   uint8_t         rplOptions;
   uint8_t         DTSN;
   uint8_t         flags;
   uint8_t         reserved;
   uint8_t         DODAGID[16];    
} icmpv6rpl_dio_ht;
END_PACK

//===== DAO

BEGIN_PACK
typedef struct {
   uint8_t         rplinstanceId;      
   uint8_t         K_D_flags;
   uint8_t         reserved;
   uint8_t         DAOSequence;
   uint8_t         DODAGID[16];
} icmpv6rpl_dao_ht;
END_PACK

BEGIN_PACK
typedef struct {
   uint8_t         type;               
   uint8_t         optionLength;
   uint8_t         E_flags;
   uint8_t         PathControl;
   uint8_t         PathSequence;   
   uint8_t         PathLifetime;   
} icmpv6rpl_dao_transit_ht;
END_PACK

BEGIN_PACK
typedef struct {
   uint8_t         type;               
   uint8_t         optionLength;
   uint8_t         flags;
   uint8_t         prefixLength;  
} icmpv6rpl_dao_target_ht;
END_PACK

//=========================== module variables ================================

typedef struct {
   // admin
   bool                      busySending;             
   uint8_t                   DODAGIDFlagSet;          
   // DIO-related
   icmpv6rpl_dio_ht          dio;                     
   open_addr_t               dioDestination;          
   uint16_t                  periodDIO;               
   opentimer_id_t            timerIdDIO;              
   uint8_t                   delayDIO;                
   // DAO-related
   icmpv6rpl_dao_ht          dao;                     
   icmpv6rpl_dao_transit_ht  dao_transit;             
   icmpv6rpl_dao_target_ht  dao_target;             
   opentimer_id_t            timerIdDAO;              
   uint16_t                  periodDAO;               
   uint8_t                   delayDAO;                
} icmpv6rpl_vars_t;

//=========================== prototypes ======================================

void icmpv6rpl_init(void);
void icmpv6rpl_sendDone(OpenQueueEntry_t* msg, owerror_t error);
void icmpv6rpl_receive(OpenQueueEntry_t* msg);
uint8_t icmpv6rpl_getRPLIntanceID(void);

#endif