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authorRolf Manderscheid <rvm@obsidianresearch.com>2007-12-10 15:38:41 -0500
committerRoland Dreier <rolandd@cisco.com>2008-01-25 17:15:37 -0500
commita9e527e3f9f4510e9f3450ca3bc51bc3ef2854fd (patch)
tree519458581cf3b8dd7c7a6d19c29572efb3405df1 /net/ipv4/inet_diag.c
parent755807a296f77ca7c31dc000afdfe1e5172bbf72 (diff)
IPoIB: improve IPv4/IPv6 to IB mcast mapping functions
An IPoIB subnet on an IB fabric that spans multiple IB subnets can't use link-local scope in multicast GIDs. The existing routines that map IP/IPv6 multicast addresses into IB link-level addresses hard-code the scope to link-local, and they also leave the partition key field uninitialised. This patch adds a parameter (the link-level broadcast address) to the mapping routines, allowing them to initialise both the scope and the P_Key appropriately, and fixes up the call sites. The next step will be to add a way to configure the scope for an IPoIB interface. Signed-off-by: Rolf Manderscheid <rvm@obsidianresearch.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'net/ipv4/inet_diag.c')
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