rtnetlink: Update rtnl_fdb_dump for strict data checking

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Update rtnl_fdb_dump for strict data checking. If the flag is set,
the dump request is expected to have an ndmsg struct as the header
potentially followed by one or more attributes. Any data passed in the
header or as an attribute is taken as a request to influence the data
returned. Only values supported by the dump handler are allowed to be
non-0 or set in the request. At the moment only the NDA_IFINDEX and
NDA_MASTER attributes are supported.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Christian Brauner <christian@brauner.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2018-10-07 20:16:44 -07:00 • committed by David S. Miller

parent 8dfbda19a2

commit 8c6e137fbc

1 changed files with 60 additions and 2 deletions

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net/core/rtnetlink.c

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