mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
226 lines
6.1 KiB
C
226 lines
6.1 KiB
C
#include "sys/net/sixlowpan/sixlowip.h"
|
|
|
|
#ifndef RPL_STRUCTS_H_INCLUDED
|
|
#define RPL_STRUCTS_H_INCLUDED
|
|
// Modes of Operation
|
|
|
|
#define NO_DOWNWARD_ROUTES 0x00
|
|
#define NON_STORING_MODE 0x01
|
|
#define STORING_MODE_NO_MC 0x02
|
|
#define STORING_MODE_MC 0x03
|
|
|
|
//ICMP type
|
|
#define ICMP_RPL_CONTROL 155
|
|
#define RPL_SEQUENCE_WINDOW 16
|
|
#define ICMP_CODE_DIS 0x00
|
|
#define ICMP_CODE_DIO 0x01
|
|
#define ICMP_CODE_DAO 0x02
|
|
#define ICMP_CODE_DAO_ACK 0x03
|
|
//packet base lengths
|
|
#define DIO_BASE_LEN 24
|
|
#define DIS_BASE_LEN 2
|
|
#define DAO_BASE_LEN 4
|
|
#define DAO_D_LEN 24
|
|
#define DAO_ACK_LEN 4
|
|
#define DAO_ACK_D_LEN 24
|
|
#define RPL_OPT_LEN 2
|
|
#define RPL_OPT_DODAG_CONF_LEN 14
|
|
#define RPL_OPT_PREFIX_INFO_LEN 30
|
|
#define RPL_OPT_SOLICITED_INFO_LEN 19
|
|
#define RPL_OPT_TARGET_LEN 18
|
|
|
|
//message options
|
|
#define RPL_OPT_PAD1 0
|
|
#define RPL_OPT_PADN 1
|
|
#define RPL_OPT_DAG_METRIC_CONTAINER 2
|
|
#define RPL_OPT_ROUTE_INFO 3
|
|
#define RPL_OPT_DODAG_CONF 4
|
|
#define RPL_OPT_TARGET 5
|
|
#define RPL_OPT_TRANSIT 6
|
|
#define RPL_OPT_SOLICITED_INFO 7
|
|
#define RPL_OPT_PREFIX_INFO 8
|
|
#define RPL_OPT_TARGET_DESC 9
|
|
|
|
//Counters
|
|
#define RPL_COUNTER_MAX 255
|
|
#define RPL_COUNTER_LOWER_REGION 127
|
|
#define RPL_COUNTER_SEQ_WINDOW 16
|
|
#define RPL_COUNTER_INIT RPL_COUNTER_MAX - RPL_COUNTER_SEQ_WINDOW + 1
|
|
#define RPL_COUNTER_INCREMENT(counter) (counter > RPL_COUNTER_LOWER_REGION ? (counter == RPL_COUNTER_MAX ? counter=0 : ++counter) : (counter == RPL_COUNTER_LOWER_REGION ? counter=0 : ++counter))
|
|
#define RPL_COUNTER_IS_INIT(counter) (counter > RPL_COUNTER_LOWER_REGION)
|
|
#define RPL_COUNTER_GREATER_THAN_LOCAL(A,B) (((A<B) && (RPL_COUNTER_LOWER_REGION + 1 - B + A < RPL_COUNTER_SEQ_WINDOW)) || ((A > B) && (A-B < RPL_COUNTER_SEQ_WINDOW)))
|
|
#define RPL_COUNTER_GREATER_THAN(A,B) ((A>RPL_COUNTER_LOWER_REGION) ? ((B > RPL_COUNTER_LOWER_REGION ) ? RPL_COUNTER_GREATER_THAN_LOCAL(A,B) : 0): (( B>RPL_COUNTER_LOWER_REGION ) ? 1: RPL_COUNTER_GREATER_THAN_LOCAL(A,B)))
|
|
|
|
// Default values
|
|
|
|
#define RPL_DEFAULT_MOP STORING_MODE_NO_MC
|
|
|
|
// RPL Constants and Variables
|
|
|
|
#define BASE_RANK 0
|
|
#define ROOT_RANK 1
|
|
#define INFINITE_RANK 0xFFFF
|
|
#define RPL_DEFAULT_INSTANCE 0
|
|
#define DEFAULT_PATH_CONTROL_SIZE 0
|
|
#define DEFAULT_DIO_INTERVAL_MIN 3
|
|
#define DEFAULT_DIO_INTERVAL_DOUBLINGS 20
|
|
#define DEFAULT_DIO_REDUNDANCY_CONSTANT 10
|
|
#define DEFAULT_MIN_HOP_RANK_INCREASE 256
|
|
//DAO_DELAY is in seconds
|
|
#define DEFAULT_DAO_DELAY 1
|
|
#define RPL_DODAG_ID_LEN 16
|
|
|
|
//others
|
|
|
|
#define NUMBER_IMPLEMENTED_OFS 1
|
|
#define RPL_MAX_DODAGS 3
|
|
#define RPL_MAX_INSTANCES 1
|
|
#define RPL_MAX_PARENTS 5
|
|
#define RPL_MAX_ROUTING_ENTRIES 20
|
|
#define RPL_ROOT_RANK 1
|
|
#define RPL_DEFAULT_LIFETIME 0xff
|
|
#define RPL_LIFETIME_UNIT 0xffff
|
|
#define RPL_GROUNDED 1
|
|
#define RPL_PRF_MASK 0x7
|
|
#define RPL_MOP_SHIFT 3
|
|
#define RPL_SHIFTED_MOP_MASK 0x7
|
|
#define RPL_DIS_V_MASK 0x80
|
|
#define RPL_DIS_I_MASK 0x40
|
|
#define RPL_DIS_D_MASK 0x20
|
|
#define RPL_GROUNDED_SHIFT 7
|
|
#define RPL_DEFAULT_OCP 0
|
|
|
|
struct __attribute__((packed)) rpl_dio_t{
|
|
uint8_t rpl_instanceid;
|
|
uint8_t version_number;
|
|
uint16_t rank;
|
|
uint8_t g_mop_prf;
|
|
uint8_t dtsn;
|
|
uint8_t flags;
|
|
uint8_t reserved;
|
|
ipv6_addr_t dodagid;
|
|
};
|
|
|
|
struct __attribute__((packed)) rpl_dis_t{
|
|
uint8_t flags;
|
|
uint8_t reserved;
|
|
};
|
|
|
|
struct __attribute__((packed)) rpl_dao_t{
|
|
uint8_t rpl_instanceid;
|
|
uint8_t k_d_flags;
|
|
uint8_t reserved;
|
|
uint8_t dao_sequence;
|
|
};
|
|
|
|
struct __attribute__((packed)) rpl_dao_ack_t{
|
|
uint8_t rpl_instanceid;
|
|
uint8_t d_reserved;
|
|
uint8_t dao_sequence;
|
|
uint8_t status;
|
|
};
|
|
|
|
//may be present in dao or dao_ack packets
|
|
struct __attribute__((packed)) dodag_id_t{
|
|
ipv6_addr_t dodagid;
|
|
};
|
|
typedef struct __attribute__((packed)) rpl_opt_t {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
} rpl_opt_t;
|
|
|
|
typedef struct __attribute__((packed)) rpl_opt_dodag_conf_t {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
uint8_t flags_a_pcs;
|
|
uint8_t DIOIntDoubl;
|
|
uint8_t DIOIntMin;
|
|
uint8_t DIORedun;
|
|
uint16_t MaxRankIncrease;
|
|
uint16_t MinHopRankIncrease;
|
|
uint16_t ocp;
|
|
uint8_t reserved;
|
|
uint8_t default_lifetime;
|
|
uint16_t lifetime_unit;
|
|
} rpl_opt_dodag_conf_t;
|
|
|
|
typedef struct __attribute__((packed)) rpl_opt_solicited_t {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
uint8_t rplinstanceid;
|
|
uint8_t VID_Flags;
|
|
ipv6_addr_t dodagid;
|
|
uint8_t version;
|
|
} rpl_opt_solicited_t;
|
|
|
|
//ipv6_addr_t target may be replaced by a target prefix of variable length
|
|
typedef struct __attribute__((packed)) rpl_opt_target_t {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
uint8_t flags;
|
|
uint8_t prefix_length;
|
|
ipv6_addr_t target;
|
|
} rpl_opt_target_t;
|
|
|
|
struct rpl_dodag_t;
|
|
|
|
typedef struct rpl_parent_t {
|
|
ipv6_addr_t addr;
|
|
uint16_t rank;
|
|
struct rpl_dodag_t *dodag;
|
|
uint8_t used;
|
|
} rpl_parent_t;
|
|
|
|
struct rpl_of_t;
|
|
|
|
typedef struct rpl_instance_t {
|
|
//struct rpl_dodag_t *current_dodoag;
|
|
uint8_t id;
|
|
uint8_t used;
|
|
uint8_t joined;
|
|
|
|
} rpl_instance_t;
|
|
|
|
typedef struct rpl_dodag_t {
|
|
rpl_instance_t *instance;
|
|
ipv6_addr_t dodag_id;
|
|
uint8_t used;
|
|
uint8_t mop;
|
|
uint8_t dtsn;
|
|
uint8_t prf;
|
|
uint8_t dio_interval_doubling;
|
|
uint8_t dio_min;
|
|
uint8_t dio_redundancy;
|
|
uint16_t maxrankincrease;
|
|
uint16_t minhoprankincrease;
|
|
uint8_t default_lifetime;
|
|
uint16_t lifetime_unit;
|
|
uint8_t version;
|
|
uint8_t grounded;
|
|
uint16_t my_rank;
|
|
uint8_t dao_seq;
|
|
uint16_t min_rank;
|
|
uint8_t joined;
|
|
rpl_parent_t *my_preferred_parent;
|
|
struct rpl_of_t *of;
|
|
|
|
} rpl_dodag_t;
|
|
|
|
typedef struct rpl_of_t {
|
|
uint16_t ocp;
|
|
uint16_t (*calc_rank)(rpl_parent_t *, uint16_t);
|
|
rpl_parent_t *(*which_parent)(rpl_parent_t *, rpl_parent_t *);
|
|
rpl_dodag_t *(*which_dodag)(rpl_dodag_t *, rpl_dodag_t *);
|
|
void (*reset)(struct rpl_dodag_t *);
|
|
void (*parent_state_callback)(rpl_parent_t *, int, int);
|
|
} rpl_of_t;
|
|
|
|
typedef struct rpl_routing_entry_t {
|
|
uint8_t used;
|
|
ipv6_addr_t address;
|
|
ipv6_addr_t next_hop;
|
|
|
|
} rpl_routing_entry_t;
|
|
|
|
#endif
|