Traffic control index filter
Section: Linux (8)
Updated: 21 Oct 2015
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NAME
tcindex - traffic control index filter
SYNOPSIS
tc filter ...
tcindex [
hash
SIZE ] [
mask
MASK ] [
shift
SHIFT ] [
pass_on |
fall_through ] [
classid
CLASSID ] [
action
ACTION_SPEC ]
DESCRIPTION
This filter allows to match packets based on their
tcindex
field value, i.e. the combination of the DSCP and ECN fields as present in IPv4
and IPv6 headers.
OPTIONS
- action ACTION_SPEC
-
Apply an action from the generic actions framework on matching packets.
- classid CLASSID
-
Push matching packets into the class identified by
CLASSID.
- hash SIZE
-
Hash table size in entries to use. Defaults to 64.
- mask MASK
-
An optional bitmask to binary
AND to the packet's tcindex
field before use.
- shift SHIFT
-
The number of bits to right-shift a packet's
tcindex
value before use. If a
mask
has been set, masking is done before shifting.
- pass_on
-
If this flag is set, failure to find a class for the resulting ID will make the
filter fail and lead to the next filter being consulted.
- fall_through
-
This is the opposite of
pass_on
and the default. The filter will classify the packet even if there is no class
present for the resulting class ID.
SEE ALSO
tc(8)