diff options
Diffstat (limited to 'include/net/if_inet6.h')
| -rw-r--r-- | include/net/if_inet6.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 448eccb20638..b24508abb850 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -269,18 +269,21 @@ static inline void ipv6_arcnet_mc_map(const struct in6_addr *addr, char *buf) buf[0] = 0x00; } -static inline void ipv6_ib_mc_map(struct in6_addr *addr, char *buf) +static inline void ipv6_ib_mc_map(const struct in6_addr *addr, + const unsigned char *broadcast, char *buf) { + unsigned char scope = broadcast[5] & 0xF; + buf[0] = 0; /* Reserved */ buf[1] = 0xff; /* Multicast QPN */ buf[2] = 0xff; buf[3] = 0xff; buf[4] = 0xff; - buf[5] = 0x12; /* link local scope */ + buf[5] = 0x10 | scope; /* scope from broadcast address */ buf[6] = 0x60; /* IPv6 signature */ buf[7] = 0x1b; - buf[8] = 0; /* P_Key */ - buf[9] = 0; + buf[8] = broadcast[8]; /* P_Key */ + buf[9] = broadcast[9]; memcpy(buf + 10, addr->s6_addr + 6, 10); } #endif |