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| author | Oliver Hartkopp <socketcan@hartkopp.net> | 2017-04-25 08:19:44 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2017-04-25 09:04:30 +0200 |
| commit | a8f820a380a2a06fc4fe1a54159067958f800929 (patch) | |
| tree | 4bb3226294328510737edbffe3d245166a8ed6fe /drivers/net/can/Kconfig | |
| parent | 1ef83310b81551079af992c4cbb5e089dd1397be (diff) | |
| download | linux-a8f820a380a2a06fc4fe1a54159067958f800929.tar.bz2 | |
can: add Virtual CAN Tunnel driver (vxcan)
Similar to the virtual ethernet driver veth, vxcan implements a
local CAN traffic tunnel between two virtual CAN network devices.
See Kconfig entry for details.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/Kconfig')
| -rw-r--r-- | drivers/net/can/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index aa20b69d2a1a..ac4ff394bc56 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -9,6 +9,24 @@ config CAN_VCAN This driver can also be built as a module. If so, the module will be called vcan. +config CAN_VXCAN + tristate "Virtual CAN Tunnel (vxcan)" + ---help--- + Similar to the virtual ethernet driver veth, vxcan implements a + local CAN traffic tunnel between two virtual CAN network devices. + When creating a vxcan, two vxcan devices are created as pair. + When one end receives the packet it appears on its pair and vice + versa. The vxcan can be used for cross namespace communication. + + In opposite to vcan loopback devices the vxcan only forwards CAN + frames to its pair and does *not* provide a local echo of sent + CAN frames. To disable a potential echo in af_can.c the vxcan driver + announces IFF_ECHO in the interface flags. To have a clean start + in each namespace the CAN GW hop counter is set to zero. + + This driver can also be built as a module. If so, the module + will be called vxcan. + config CAN_SLCAN tristate "Serial / USB serial CAN Adaptors (slcan)" depends on TTY |