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1 | # |
2 | # Controller Area Network (CAN) network layer core configuration |
3 | # |
4 | |
5 | menuconfig 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. |
18 | |
19 | config CAN_RAW |
20 | tristate "Raw CAN Protocol (raw access with CAN-ID filtering)" |
21 | depends on CAN |
22 | default N |
23 | ---help--- |
24 | The raw CAN protocol option offers access to the CAN bus via |
25 | the BSD socket API. You probably want to use the raw socket in |
26 | most cases where no higher level protocol is being used. The raw |
27 | socket has several filter options e.g. ID masking / error frames. |
28 | To receive/send raw CAN messages, use AF_CAN with protocol CAN_RAW. |
29 | |
30 | config CAN_BCM |
31 | tristate "Broadcast Manager CAN Protocol (with content filtering)" |
32 | depends on CAN |
33 | default N |
34 | ---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. |
42 | |
43 | |
44 | source "drivers/net/can/Kconfig" |
45 |
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