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doing this breaks with older kernels as it will pick a set without
and update callback.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Rework grammar to skip the 'name' token after 'meter' for named meters.
For consistency with sets and maps in terms of syntax.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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According to bugzilla 1137: "flow tables" should not be syntactically
unique.
"Flow tables are always named, but they don't conform to the way sets,
maps, and dictionaries work in terms of "add" and "delete" and all that.
They are also "flow tables" instead of one word like "flows" or
"throttle" or something.
It seems weird to just have these break the syntactic expectations."
Personally, I never liked the reference to "table" since we have very
specific semantics in terms of what a "table" is netfilter for long
time.
This patch promotes "meter" as the new keyword. The former syntax is
still accepted for a while, just to reduce chances of breaking things.
At some point the former syntax will just be removed.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1137
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Arturo Borrero Gonzalez <arturo@netfilter.org>
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To don't trigger false errors because of unrelated traffic on the
tested machine.
Tests, which have rules with counter and 'ok' result, are updated to
avoid new Warnings.
Signed-off-by: Elise Lennion <elise.lennion@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The following command:
# nft --debug=mnl add rule x y flow table xyz { ip saddr timeout 30s counter }
breaks with EINVAL. The following netlink message is causing the
problem:
...
---------------- ------------------
| 0000000044 | | message length |
| 02572 | R--- | | type | flags |
| 0000000004 | | sequence number|
| 0000000000 | | port ID |
---------------- ------------------
| 02 00 00 00 | | extra header |
|00008|--|00002| |len |flags| type|
| 78 79 7a 00 | | data | x y z
|00008|--|00004| |len |flags| type|
| 00 00 00 01 | | data |
|00006|--|00001| |len |flags| type|
| 78 00 00 00 | | data | x
---------------- ------------------
...
This is incorrect since this describes no elements at all, so it is
useless. Add upfront check before iterating over the list of set
elements so the netlink message is not placed in the batch.
This patch also adds a set so flow tables are minimally covered.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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