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Oliver Hartkopp0d665482007-11-16 15:52:17 -08001#
2# Controller Area Network (CAN) network layer core configuration
3#
4
5menuconfig CAN
6 depends on NET
7 tristate "CAN bus subsystem support"
8 ---help---
9 Controller Area Network (CAN) is a slow (up to 1Mbit/s) serial
10 communications protocol which was developed by Bosch in
11 1991, mainly for automotive, but now widely used in marine
12 (NMEA2000), industrial, and medical applications.
13 More information on the CAN network protocol family PF_CAN
14 is contained in <Documentation/networking/can.txt>.
15
16 If you want CAN support you should say Y here and also to the
17 specific driver for your controller(s) below.
Oliver Hartkoppc18ce102007-11-16 15:53:09 -080018
Marc Kleine-Budde77136832012-07-20 21:00:00 +020019if CAN
20
Oliver Hartkoppc18ce102007-11-16 15:53:09 -080021config CAN_RAW
22 tristate "Raw CAN Protocol (raw access with CAN-ID filtering)"
Marc Kleine-Buddef66b0302012-07-20 21:22:27 +020023 default y
Oliver Hartkoppc18ce102007-11-16 15:53:09 -080024 ---help---
25 The raw CAN protocol option offers access to the CAN bus via
26 the BSD socket API. You probably want to use the raw socket in
27 most cases where no higher level protocol is being used. The raw
28 socket has several filter options e.g. ID masking / error frames.
29 To receive/send raw CAN messages, use AF_CAN with protocol CAN_RAW.
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080030
31config CAN_BCM
32 tristate "Broadcast Manager CAN Protocol (with content filtering)"
Marc Kleine-Buddef66b0302012-07-20 21:22:27 +020033 default y
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080034 ---help---
35 The Broadcast Manager offers content filtering, timeout monitoring,
36 sending of RTR frames, and cyclic CAN messages without permanent user
37 interaction. The BCM can be 'programmed' via the BSD socket API and
38 informs you on demand e.g. only on content updates / timeouts.
39 You probably want to use the bcm socket in most cases where cyclic
40 CAN messages are used on the bus (e.g. in automotive environments).
41 To use the Broadcast Manager, use AF_CAN with protocol CAN_BCM.
Oliver Hartkoppccb29632007-11-16 15:56:08 -080042
Oliver Hartkoppc1aabdf2011-09-01 04:23:23 +000043config CAN_GW
44 tristate "CAN Gateway/Router (with netlink configuration)"
Marc Kleine-Buddef66b0302012-07-20 21:22:27 +020045 default y
Oliver Hartkoppc1aabdf2011-09-01 04:23:23 +000046 ---help---
47 The CAN Gateway/Router is used to route (and modify) CAN frames.
48 It is based on the PF_CAN core infrastructure for msg filtering and
49 msg sending and can optionally modify routed CAN frames on the fly.
50 CAN frames can be routed between CAN network interfaces (one hop).
51 They can be modified with AND/OR/XOR/SET operations as configured
52 by the netlink configuration interface known e.g. from iptables.
Oliver Hartkoppccb29632007-11-16 15:56:08 -080053
54source "drivers/net/can/Kconfig"
Marc Kleine-Budde77136832012-07-20 21:00:00 +020055
56endif