| #ifndef _RPL_H_ |
| |
| /* |
| * NOTE: the contents of this file are an interpretation of RFC6550. |
| * no copyright is asserted on this file, as it transcribes |
| * a public specification. |
| * |
| */ |
| |
| /* |
| * DIO: Updated to RFC6550, as published in 2012: section 6. (page 30) |
| */ |
| |
| #define ND_RPL_MESSAGE 155 /* 0x9B */ |
| |
| enum ND_RPL_CODE { |
| ND_RPL_DAG_IS=0x00, |
| ND_RPL_DAG_IO=0x01, |
| ND_RPL_DAO =0x02, |
| ND_RPL_DAO_ACK=0x03, |
| ND_RPL_SEC_DAG_IS = 0x80, |
| ND_RPL_SEC_DAG_IO = 0x81, |
| ND_RPL_SEC_DAG = 0x82, |
| ND_RPL_SEC_DAG_ACK= 0x83, |
| ND_RPL_SEC_CONSIST= 0x8A |
| }; |
| |
| enum ND_RPL_DIO_FLAGS { |
| ND_RPL_DIO_GROUNDED = 0x80, |
| ND_RPL_DIO_DATRIG = 0x40, |
| ND_RPL_DIO_DASUPPORT= 0x20, |
| ND_RPL_DIO_RES4 = 0x10, |
| ND_RPL_DIO_RES3 = 0x08, |
| ND_RPL_DIO_PRF_MASK = 0x07 /* 3-bit preference */ |
| }; |
| |
| #define DAGID_LEN 16 |
| |
| /* section 6 of draft-ietf-roll-rpl-19 */ |
| struct nd_rpl_security { |
| uint8_t rpl_sec_t_reserved; /* bit 7 is T-bit */ |
| uint8_t rpl_sec_algo; |
| uint16_t rpl_sec_kim_lvl_flags; /* bit 15/14, KIM */ |
| /* bit 10-8, LVL, bit 7-0 flags */ |
| uint32_t rpl_sec_counter; |
| #if 0 |
| uint8_t rpl_sec_ki[0]; /* depends upon kim */ |
| #endif |
| }; |
| |
| /* section 6.2.1, DODAG Information Solication (DIS_IS) */ |
| struct nd_rpl_dis_is { |
| uint8_t rpl_dis_flags; |
| uint8_t rpl_dis_reserved; |
| #if 0 |
| uint8_t rpl_dis_options[0]; |
| #endif |
| }; |
| |
| /* section 6.3.1, DODAG Information Object (DIO) */ |
| struct nd_rpl_dio { |
| uint8_t rpl_instanceid; |
| uint8_t rpl_version; |
| uint16_t rpl_dagrank; |
| uint8_t rpl_mopprf; /* bit 7=G, 5-3=MOP, 2-0=PRF */ |
| uint8_t rpl_dtsn; /* Dest. Advertisement Trigger Sequence Number */ |
| uint8_t rpl_flags; /* no flags defined yet */ |
| uint8_t rpl_resv1; |
| uint8_t rpl_dagid[DAGID_LEN]; |
| }; |
| #define RPL_DIO_GROUND_FLAG 0x80 |
| #define RPL_DIO_MOP_SHIFT 3 |
| #define RPL_DIO_MOP_MASK (7 << RPL_DIO_MOP_SHIFT) |
| #define RPL_DIO_PRF_SHIFT 0 |
| #define RPL_DIO_PRF_MASK (7 << RPL_DIO_PRF_SHIFT) |
| #define RPL_DIO_GROUNDED(X) ((X)&RPL_DIO_GROUND_FLAG) |
| #define RPL_DIO_MOP(X) (enum RPL_DIO_MOP)(((X)&RPL_DIO_MOP_MASK) >> RPL_DIO_MOP_SHIFT) |
| #define RPL_DIO_PRF(X) (((X)&RPL_DIO_PRF_MASK) >> RPL_DIO_PRF_SHIFT) |
| |
| enum RPL_DIO_MOP { |
| RPL_DIO_NONSTORING= 0x0, |
| RPL_DIO_STORING = 0x1, |
| RPL_DIO_NONSTORING_MULTICAST = 0x2, |
| RPL_DIO_STORING_MULTICAST = 0x3 |
| }; |
| |
| enum RPL_SUBOPT { |
| RPL_OPT_PAD0 = 0, |
| RPL_OPT_PADN = 1, |
| RPL_DIO_METRICS = 2, |
| RPL_DIO_ROUTINGINFO = 3, |
| RPL_DIO_CONFIG = 4, |
| RPL_DAO_RPLTARGET = 5, |
| RPL_DAO_TRANSITINFO = 6, |
| RPL_DIO_DESTPREFIX = 8, |
| RPL_DAO_RPLTARGET_DESC=9 |
| }; |
| |
| struct rpl_dio_genoption { |
| uint8_t rpl_dio_type; |
| uint8_t rpl_dio_len; /* suboption length, not including type/len */ |
| }; |
| #define RPL_DIO_GENOPTION_LEN 2 |
| |
| #define RPL_DIO_LIFETIME_INFINITE 0xffffffff |
| #define RPL_DIO_LIFETIME_DISCONNECT 0 |
| |
| struct rpl_dio_destprefix { |
| uint8_t rpl_dio_type; |
| uint8_t rpl_dio_len; |
| uint8_t rpl_dio_prefixlen; /* in bits */ |
| uint8_t rpl_dio_prf; /* flags, including Route Preference */ |
| uint32_t rpl_dio_prefixlifetime; /* in seconds */ |
| #if 0 |
| uint8_t rpl_dio_prefix[0]; /* variable number of bytes */ |
| #endif |
| }; |
| |
| /* section 6.4.1, DODAG Information Object (DIO) */ |
| struct nd_rpl_dao { |
| uint8_t rpl_instanceid; |
| uint8_t rpl_flags; /* bit 7=K, 6=D */ |
| uint8_t rpl_resv; |
| uint8_t rpl_daoseq; |
| uint8_t rpl_dagid[DAGID_LEN]; /* present when D set. */ |
| }; |
| #define ND_RPL_DAO_MIN_LEN 4 /* length without DAGID */ |
| |
| /* indicates if this DAO is to be acK'ed */ |
| #define RPL_DAO_K_SHIFT 7 |
| #define RPL_DAO_K_MASK (1 << RPL_DAO_K_SHIFT) |
| #define RPL_DAO_K(X) (((X)&RPL_DAO_K_MASK) >> RPL_DAO_K_SHIFT) |
| |
| /* indicates if the DAGID is present */ |
| #define RPL_DAO_D_SHIFT 6 |
| #define RPL_DAO_D_MASK (1 << RPL_DAO_D_SHIFT) |
| #define RPL_DAO_D(X) (((X)&RPL_DAO_D_MASK) >> RPL_DAO_D_SHIFT) |
| |
| struct rpl_dao_target { |
| uint8_t rpl_dao_type; |
| uint8_t rpl_dao_len; |
| uint8_t rpl_dao_flags; /* unused */ |
| uint8_t rpl_dao_prefixlen; /* in bits */ |
| #if 0 |
| uint8_t rpl_dao_prefix[0]; /* variable number of bytes */ |
| #endif |
| }; |
| |
| /* section 6.5.1, Destination Advertisement Object Acknowledgement (DAO-ACK) */ |
| struct nd_rpl_daoack { |
| uint8_t rpl_instanceid; |
| uint8_t rpl_flags; /* bit 7=D */ |
| uint8_t rpl_daoseq; |
| uint8_t rpl_status; |
| uint8_t rpl_dagid[DAGID_LEN]; /* present when D set. */ |
| }; |
| #define ND_RPL_DAOACK_MIN_LEN 4 /* length without DAGID */ |
| /* indicates if the DAGID is present */ |
| #define RPL_DAOACK_D_SHIFT 7 |
| #define RPL_DAOACK_D_MASK (1 << RPL_DAOACK_D_SHIFT) |
| #define RPL_DAOACK_D(X) (((X)&RPL_DAOACK_D_MASK) >> RPL_DAOACK_D_SHIFT) |
| |
| |
| |
| #define _RPL_H_ |
| #endif /* _RPL_H_ */ |
| |
| /* |
| * Local Variables: |
| * c-basic-offset:4 |
| * c-style: whitesmith |
| * End: |
| */ |
| |