swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
Tip revision: 17b57b1883c1285f3d0dc2266e8f79286a7bef38 authored by Greg Kroah-Hartman on 30 September 2018, 14:15:35 UTC
Linux 4.19-rc6
Linux 4.19-rc6
Tip revision: 17b57b1
Kconfig
#
# Controller Area Network (CAN) network layer core configuration
#
menuconfig CAN
depends on NET
tristate "CAN bus subsystem support"
---help---
Controller Area Network (CAN) is a slow (up to 1Mbit/s) serial
communications protocol which was developed by Bosch in
1991, mainly for automotive, but now widely used in marine
(NMEA2000), industrial, and medical applications.
More information on the CAN network protocol family PF_CAN
is contained in <Documentation/networking/can.rst>.
If you want CAN support you should say Y here and also to the
specific driver for your controller(s) below.
if CAN
config CAN_RAW
tristate "Raw CAN Protocol (raw access with CAN-ID filtering)"
default y
---help---
The raw CAN protocol option offers access to the CAN bus via
the BSD socket API. You probably want to use the raw socket in
most cases where no higher level protocol is being used. The raw
socket has several filter options e.g. ID masking / error frames.
To receive/send raw CAN messages, use AF_CAN with protocol CAN_RAW.
config CAN_BCM
tristate "Broadcast Manager CAN Protocol (with content filtering)"
default y
---help---
The Broadcast Manager offers content filtering, timeout monitoring,
sending of RTR frames, and cyclic CAN messages without permanent user
interaction. The BCM can be 'programmed' via the BSD socket API and
informs you on demand e.g. only on content updates / timeouts.
You probably want to use the bcm socket in most cases where cyclic
CAN messages are used on the bus (e.g. in automotive environments).
To use the Broadcast Manager, use AF_CAN with protocol CAN_BCM.
config CAN_GW
tristate "CAN Gateway/Router (with netlink configuration)"
default y
---help---
The CAN Gateway/Router is used to route (and modify) CAN frames.
It is based on the PF_CAN core infrastructure for msg filtering and
msg sending and can optionally modify routed CAN frames on the fly.
CAN frames can be routed between CAN network interfaces (one hop).
They can be modified with AND/OR/XOR/SET operations as configured
by the netlink configuration interface known e.g. from iptables.
source "drivers/net/can/Kconfig"
endif