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authorOliver Hartkopp <socketcan@hartkopp.net>2014-04-02 20:25:27 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2014-05-19 09:38:25 +0200
commit277bd320e7dd8b77de6d3b6b9757b08fcca0108b (patch)
tree4b62b370215eae7855e29bc3b750309f9a8b9c92 /Documentation/serial
parentcan: add hash based access to single EFF frame filters (diff)
downloadlinux-277bd320e7dd8b77de6d3b6b9757b08fcca0108b.tar.xz
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can: add documentation for CAN filter usage optimisation
To benefit from special filters for single SFF or single EFF CAN identifier subscriptions the CAN_EFF_FLAG bit and the CAN_RTR_FLAG bit has to be set together with the CAN_(SFF|EFF)_MASK in can_filter.mask. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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