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Oliver Hartkopp
921ca574cd
When CAN_ISOTP_SF_BROADCAST is set in the CAN_ISOTP_OPTS flags the CAN_ISOTP socket is switched into functional addressing mode, where only single frame (SF) protocol data units can be send on the specified CAN interface and the given tp.tx_id after bind(). In opposite to normal and extended addressing this socket does not register a CAN-ID for reception which would be needed for a 1-to-1 ISOTP connection with a segmented bi-directional data transfer. Sending SFs on this socket is therefore a TX-only 'broadcast' operation. Signed-off-by: Oliver Hartkopp <[email protected]> Signed-off-by: Thomas Wagner <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Marc Kleine-Budde <[email protected]>