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author | Holger Eitzenberger <holger@eitzenberger.org> | 2009-03-25 18:24:48 +0100 |
---|---|---|
committer | Patrick McHardy <kaber@trash.net> | 2009-03-25 18:24:48 +0100 |
commit | d0dba7255b541f1651a88e75ebdb20dd45509c2f (patch) | |
tree | db731388062d6b81e73bc9328fdd29e6eb81c509 /fs/sync.c | |
parent | b8dfe498775de912116f275680ddb57c8799d9ef (diff) |
netfilter: ctnetlink: add callbacks to the per-proto nlattrs
There is added a single callback for the l3 proto helper. The two
callbacks for the l4 protos are necessary because of the general
structure of a ctnetlink event, which is in short:
CTA_TUPLE_ORIG
<l3/l4-proto-attributes>
CTA_TUPLE_REPLY
<l3/l4-proto-attributes>
CTA_ID
...
CTA_PROTOINFO
<l4-proto-attributes>
CTA_TUPLE_MASTER
<l3/l4-proto-attributes>
Therefore the formular is
size := sizeof(generic-nlas) + 3 * sizeof(tuple_nlas) + sizeof(protoinfo_nlas)
Some of the NLAs are optional, e. g. CTA_TUPLE_MASTER, which is only
set if it's an expected connection. But the number of optional NLAs is
small enough to prevent netlink_trim() from reallocating if calculated
properly.
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'fs/sync.c')
0 files changed, 0 insertions, 0 deletions