diff options
| author | Roland Dreier <roland@topspin.com> | 2004-12-27 06:19:47 -0800 |
|---|---|---|
| committer | David S. Miller <davem@nuts.davemloft.net> | 2004-12-27 06:19:47 -0800 |
| commit | 3097829ccb904ab64e44a9cc0f4daa0c97fcd0fe (patch) | |
| tree | 3c3b1e1f9715683975827c017d499e2c6abfb55b /include | |
| parent | 93f178381849e4fc519d1d26b76d4483500ad369 (diff) | |
[INFINIBAND]: IPoIB IPv6 support
Add ipv6_ib_mc_map() to convert IPv6 multicast addresses to IPoIB
hardware addresses, and add support for autoconfiguration for devices
with type ARPHRD_INFINIBAND.
The mapping for multicast addresses is described in
http://www.ietf.org/internet-drafts/draft-ietf-ipoib-ip-over-infiniband-08.txt
Signed-off-by: Nitin Hande <Nitin.Hande@Sun.Com>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/if_inet6.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 76ce5f8b6c1e..e97a9accb71d 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -266,5 +266,20 @@ 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) +{ + 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[6] = 0x60; /* IPv6 signature */ + buf[7] = 0x1b; + buf[8] = 0; /* P_Key */ + buf[9] = 0; + memcpy(buf + 10, addr->s6_addr + 6, 10); +} #endif #endif |