genl: Add genlmsg_new_unicast() for unicast message allocation

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Allocates a new sk_buff large enough to cover the specified payload
plus required Netlink headers. Will check receiving socket for
memory mapped i/o capability and use it if enabled. Will fall back
to non-mapped skb if message size exceeds the frame size of the ring.

Signed-of-by: Thomas Graf <tgraf@suug.ch>
Reviewed-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>

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Thomas Graf 2013-11-30 13:21:30 +01:00 • committed by Jesse Gross

parent 663efa3696

commit bb9b18fb55

2 changed files with 25 additions and 0 deletions

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4

include/net/genetlink.h

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21

net/netlink/genetlink.c

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