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Introducing a source routing header for RPL.

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This commit is contained in:
Fabian Brandt 2014-05-20 16:27:20 +02:00
parent d56e90a3f0
commit 62236e5d54
1 changed files with 15 additions and 0 deletions
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15
sys/net/include/sixlowpan/types.h
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@ -70,6 +70,21 @@ typedef struct __attribute__((packed)) {
ipv6_addr_t destaddr; ///< destination address of this packet. ipv6_addr_t destaddr; ///< destination address of this packet.
} ipv6_hdr_t; } ipv6_hdr_t;
/**
* @brief Data type to represent an IPv6 source routing header for RPL
*
* @see [RFC 6554](http://tools.ietf.org/html/rfc6554)
*/
typedef struct __attribute__((packed)) {
uint8_t nextheader; /**< type of next header in this packet. */
uint8_t hdrextlen; /**< length of header in 8-octet units. */
uint8_t routing_type; /**< identify srh-variant. */
uint8_t segments_left; /**< remaining route segments before reaching destination. */
unsigned int cmpri:4, cmpre:4; /**< 4+4 bit, expressing prefix octets from each/last segment. */
unsigned long pad:4; /**< number of octets used for padding after adresses. */
unsigned long reserved:20; /**< reserved. Set to 0. */
} ipv6_srh_t;
/** /**
* @brief Data type to represent an ICMPv6 packet header. * @brief Data type to represent an ICMPv6 packet header.
* *