diff options
Diffstat (limited to 'include/net/6lowpan.h')
| -rw-r--r-- | include/net/6lowpan.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h index 5ab4c9901ccc..c5792cb6c3eb 100644 --- a/include/net/6lowpan.h +++ b/include/net/6lowpan.h @@ -198,6 +198,25 @@ static inline void lowpan_iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr, ipaddr->s6_addr[8] ^= 0x02; } +static inline void lowpan_iphc_uncompress_eui48_lladdr(struct in6_addr *ipaddr, + const void *lladdr) +{ + /* fe:80::XXXX:XXff:feXX:XXXX + * \_________________/ + * hwaddr + */ + ipaddr->s6_addr[0] = 0xFE; + ipaddr->s6_addr[1] = 0x80; + memcpy(&ipaddr->s6_addr[8], lladdr, 3); + ipaddr->s6_addr[11] = 0xFF; + ipaddr->s6_addr[12] = 0xFE; + memcpy(&ipaddr->s6_addr[13], lladdr + 3, 3); + /* second bit-flip (Universe/Local) + * is done according RFC2464 + */ + ipaddr->s6_addr[8] ^= 0x02; +} + #ifdef DEBUG /* print data in line */ static inline void raw_dump_inline(const char *caller, char *msg, |