Oliver Hartkopp 1e55659ce6 can-raw: add msg_flags to distinguish local traffic ... CAN has no addressing scheme. It is currently impossible for userspace to tell is a received CAN frame comes from another process on the local host, or from a remote CAN device. This patch add support for userspace applications to distinguish between 'own', 'local' and 'remote' CAN traffic. The distinction is made by returning flags in msg->msg_flags in the call to recvmsg(). The added documentation explains the introduced flags. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2010-10-21 04:27:03 -07:00
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af_can.c
af_can.h
bcm.c
Kconfig
Makefile
proc.c
raw.c	can-raw: add msg_flags to distinguish local traffic	2010-10-21 04:27:03 -07:00