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These tests will fail once the kernel checks for overflow
in the internal token bucken counter, so drop them.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Default burst for limit is 5 for historical reasons but it is not
displayed when listing the ruleset.
Update listing to display the default burst to disambiguate.
man nft(8) has been recently updated to document this, no action in this
front is therefore required.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The documentation describes the syntax of limit statements thus:
limit rate [over] packet_number / TIME_UNIT [burst packet_number packets]
limit rate [over] byte_number BYTE_UNIT / TIME_UNIT [burst byte_number BYTE_UNIT]
TIME_UNIT := second | minute | hour | day
BYTE_UNIT := bytes | kbytes | mbytes
From this one might infer that a limit may be specified by any of the
following:
limit rate 1048576/second
limit rate 1048576 mbytes/second
limit rate 1048576 / second
limit rate 1048576 mbytes / second
However, the last does not currently parse:
$ sudo /usr/sbin/nft add filter input limit rate 1048576 mbytes / second
Error: wrong rate format
add filter input limit rate 1048576 mbytes / second
^^^^^^^^^^^^^^^^^^^^^^^^^
Extend the `limit_rate_bytes` parser rule to support it, and add some
new Python test-cases.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add userspace support for the netdev egress hook which is queued up for
v5.16-rc1, complete with documentation and tests. Usage is identical to
the ingress hook.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Burst can be either bytes or packets, depending on the rate limit unit.
# nft add rule x y iif eth0 limit rate 512 kbytes/second burst 5 packets
Error: syntax error, unexpected packets, expecting string or bytes
add rule x y iif eth0 limit rate 512 kbytes/second burst 5 packets
^^^^^^^
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1306
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So far it was only possible to match packet under a rate limit, this
patch allows you to explicitly indicate if you want to match packets
that goes over or until the rate limit, eg.
... limit rate over 3/second counter log prefix "OVERLIMIT: " drop
... limit rate over 3 mbytes/second counter log prefix "OVERLIMIT: " drop
... ct state invalid limit rate until 1/second counter log prefix "INVALID: "
When listing rate limit until, this shows:
... ct state invalid limit rate 1/second counter log prefix "INVALID: "
thus, the existing syntax is still valid (i.e. default to rate limit until).
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch enables tests for the new netdev family and its ingress
chain.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The test files have been adapted to the syntax defined in the previous
commit "tests/py: modify supported test file syntax"
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Rearrange the directory to obtain a better organization of files and
tests-suites.
We end with a tree like this:
tests
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.--- py
.--- shell
.--- files
This was suggested by Pablo.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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