srh.h

Definititions for RPL source routing extension headers.

int gnrc_rpl_srh_process(ipv6_hdr_t * ipv6, gnrc_rpl_srh_t * rh)

Process the RPL source routing header.

Parameters

ipv6:The IPv6 header of the incoming packet. rh:A RPL source routing header.

Return values

• gnrc/ipv6/ext/rh.h::@188::GNRC_IPV6_EXT_RH_AT_DST, on success
• gnrc/ipv6/ext/rh.h::@188::GNRC_IPV6_EXT_RH_FORWARDED, when pkt should be forwarded
• gnrc/ipv6/ext/rh.h::@188::GNRC_IPV6_EXT_RH_ERROR, on error

struct gnrc_rpl_srh_t

The RPL Source routing header.

See also

RFC 6554

uint8_t nh

next header

uint8_t len

length in 8 octets without first octet

uint8_t type

identifier of a particular routing header type

uint8_t seg_left

number of route segments remaining

uint8_t compr

number of prefix octets (comprI and comprE)

uint8_t pad_resv

padding and reserved

uint16_t resv

reserved