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net/sched: introduce Match-all classifier

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The matchall classifier matches every packet and allows the user to apply
actions on it. This filter is very useful in usecases where every packet
should be matched, for example, packet mirroring (SPAN) can be setup very
easily using that filter.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2016-07-21 12:03:11 +02:00
committed by David S. Miller
parent ded821c8d3
commit bf3994d2ed
4 changed files with 270 additions and 0 deletions
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10
net/sched/Kconfig
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@@ -494,6 +494,16 @@ config NET_CLS_FLOWER
To compile this code as a module, choose M here: the module will
be called cls_flower.
config NET_CLS_MATCHALL
tristate "Match-all classifier"
select NET_CLS
---help---
If you say Y here, you will be able to classify packets based on
nothing. Every packet will match.
To compile this code as a module, choose M here: the module will
be called cls_matchall.
config NET_EMATCH
bool "Extended Matches"
select NET_CLS