netlink: add nla_policy_len()

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It calculates the max. length of a Netlink policy, which is usefull
for allocating Netlink buffers roughly the size of the actual
message.

Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>

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Holger Eitzenberger 2009-03-25 18:26:30 +01:00 • committed by Patrick McHardy

parent d0dba7255b

commit e487eb99cf

2 changed files with 28 additions and 0 deletions

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include/net/netlink.h

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