Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) # SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) # Controller Area Network (CAN) network layer core configuration
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) menuconfig CAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	depends on NET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	tristate "CAN bus subsystem support"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	  Controller Area Network (CAN) is a slow (up to 1Mbit/s) serial
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	  communications protocol. Development of the CAN bus started in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	  1983 at Robert Bosch GmbH, and the protocol was officially
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	  released in 1986. The CAN bus was originally mainly for automotive,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	  but is now widely used in marine (NMEA2000), industrial, and medical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	  applications. More information on the CAN network protocol family
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	  PF_CAN is contained in <Documentation/networking/can.rst>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	  If you want CAN support you should say Y here and also to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	  specific driver for your controller(s) below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) if CAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) config CAN_RAW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	tristate "Raw CAN Protocol (raw access with CAN-ID filtering)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	  The raw CAN protocol option offers access to the CAN bus via
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	  the BSD socket API. You probably want to use the raw socket in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	  most cases where no higher level protocol is being used. The raw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	  socket has several filter options e.g. ID masking / error frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	  To receive/send raw CAN messages, use AF_CAN with protocol CAN_RAW.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) config CAN_BCM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	tristate "Broadcast Manager CAN Protocol (with content filtering)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	  The Broadcast Manager offers content filtering, timeout monitoring,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	  sending of RTR frames, and cyclic CAN messages without permanent user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	  interaction. The BCM can be 'programmed' via the BSD socket API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	  informs you on demand e.g. only on content updates / timeouts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	  You probably want to use the bcm socket in most cases where cyclic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	  CAN messages are used on the bus (e.g. in automotive environments).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	  To use the Broadcast Manager, use AF_CAN with protocol CAN_BCM.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) config CAN_GW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	tristate "CAN Gateway/Router (with netlink configuration)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	default y
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	  The CAN Gateway/Router is used to route (and modify) CAN frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	  It is based on the PF_CAN core infrastructure for msg filtering and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	  msg sending and can optionally modify routed CAN frames on the fly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	  CAN frames can be routed between CAN network interfaces (one hop).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	  They can be modified with AND/OR/XOR/SET operations as configured
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	  by the netlink configuration interface known e.g. from iptables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) source "net/can/j1939/Kconfig"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) config CAN_ISOTP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	tristate "ISO 15765-2:2016 CAN transport protocol"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	help
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	  CAN Transport Protocols offer support for segmented Point-to-Point
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	  communication between CAN nodes via two defined CAN Identifiers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	  As CAN frames can only transport a small amount of data bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	  (max. 8 bytes for 'classic' CAN and max. 64 bytes for CAN FD) this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	  segmentation is needed to transport longer Protocol Data Units (PDU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	  as needed e.g. for vehicle diagnosis (UDS, ISO 14229) or IP-over-CAN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	  traffic.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	  This protocol driver implements data transfers according to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	  ISO 15765-2:2016 for 'classic' CAN and CAN FD frame types.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	  If you want to perform automotive vehicle diagnostic services (UDS),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	  say 'y'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) source "drivers/net/can/Kconfig"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) endif