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Oliver Hartkopp a5581ef4c2 can: introduce new raw socket option to join the given CAN filters ... The CAN_RAW socket can set multiple CAN identifier specific filters that lead to multiple filters in the af_can.c filter processing. These filters are indenpendent from each other which leads to logical OR'ed filters when applied. This socket option joines the given CAN filters in the way that only CAN frames are passed to user space that matched *all* given CAN filters. The semantic for the applied filters is therefore changed to a logical AND. This is useful especially when the filterset is a combination of filters where the CAN_INV_FILTER flag is set in order to notch single CAN IDs or CAN ID ranges from the incoming traffic. As the raw_rcv() function is executed from NET_RX softirq the introduced variables are implemented as per-CPU variables to avoid extensive locking at CAN frame reception time. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>		10 years ago
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Kconfig	can: Kconfig: switch on all CAN protocolls by default	12 years ago
Makefile	can-gw: add netlink based CAN routing	14 years ago
af_can.c	can: add missing initialisations in CAN related skbuffs	10 years ago
af_can.h	can: add hash based access to single EFF frame filters	11 years ago
bcm.c	net: Remove iocb argument from sendmsg and recvmsg	10 years ago
gw.c	netlink: make nlmsg_end() and genlmsg_end() void	10 years ago
proc.c	can: add hash based access to single EFF frame filters	11 years ago
raw.c	can: introduce new raw socket option to join the given CAN filters	10 years ago