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can: gw: add a variable limit for CAN frame routings
authorOliver Hartkopp <socketcan@hartkopp.net>
Thu, 17 Jan 2013 17:43:44 +0000 (18:43 +0100)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Sat, 26 Jan 2013 15:59:01 +0000 (16:59 +0100)
commitbe286bafe1f4069094865264f29805854c5788bf
tree1db2a2fa446d714e6b64630f6b6d91525d9f4984tree | snapshot (tar.gz zip)
parentd904d3edcbb26efc86ea3575bb4265559801a94bcommit | diff
can: gw: add a variable limit for CAN frame routings

To prevent a possible misconfiguration (e.g. circular CAN frame routings)
limit the number of routings of a single CAN frame to a small variable value.

The limit can be specified by the module parameter 'max_hops' (1..6).
The default value is 1 (one hop), according to the original can-gw behaviour.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Motorola kernel-slsi