| /linux/Documentation/networking/ |
| H A D | can.rst | 8 The socketcan package is an implementation of CAN protocols
9 (Controller Area Network) for Linux. CAN is a networking technology
11 automotive fields. While there have been other CAN implementations
13 socket API, the Linux network stack and implements the CAN device
14 drivers as network interfaces. The CAN socket API has been designed
16 familiar with network programming, to easily learn how to use CAN
25 There have been CAN implementations for Linux before SocketCAN so the
27 implementations come as a device driver for some CAN hardware, they
31 receive raw CAN frames, directly to/from the controller hardware.
36 the CAN controller requires employment of another device driver and
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| H A D | iso15765-2.rst | 11 for diagnostic communication on CAN. It is widely used in the automotive
15 ISO-TP can be used both on CAN CC (aka Classical CAN) and CAN FD (CAN with
17 CAN network using SAE J1939 as data link layer (however, this is not a
38 Three different addressing formats can be employed:
40 * "normal" : each address is represented simply by a CAN ID.
42 * "extended": each address is represented by a CAN ID plus the first byte of
43 the CAN payload; both the CAN ID and the byte inside the payload shall be
46 * "mixed": each address is represented by a CAN ID plus the first byte of
47 the CAN payload; the CAN ID is different between two addresses, but the
53 When transmitting data using the ISO-TP protocol, the payload can either fit
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| /linux/net/can/ |
| H A D | Kconfig | 3 # Controller Area Network (CAN) network layer core configuration
6 menuconfig CAN config
7 tristate "CAN bus subsystem support"
9 Controller Area Network (CAN) is a slow (up to 1Mbit/s) serial
10 communications protocol. Development of the CAN bus started in
12 released in 1986. The CAN bus was originally mainly for automotive,
14 applications. More information on the CAN network protocol family
15 PF_CAN is contained in <Documentation/networking/can.rst>.
17 If you want CAN support you should say Y here and also to the
21 if CAN
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| H A D | proc.c | 3 * proc.c - procfs support for Protocol family CAN core module
48 #include <linux/can/can-ml.h>
49 #include <linux/can/core.h>
81 struct can_pkg_stats *pkg_stats = net->can.pkg_stats; in can_init_stats()
82 struct can_rcv_lists_stats *rcv_lists_stats = net->can.rcv_lists_stats; in can_init_stats()
107 printk(KERN_ERR "can: calc_rate: count exceeded! %ld\n", in calc_rate()
117 struct net *net = timer_container_of(net, t, can.stattimer); in can_stat_update()
118 struct can_pkg_stats *pkg_stats = net->can.pkg_stats; in can_stat_update()
181 mod_timer(&net->can.stattimer, round_jiffies(jiffies + HZ)); in can_stat_update()
218 struct can_pkg_stats *pkg_stats = net->can.pkg_stats; in can_stats_proc_show()
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| H A D | Makefile | 6 obj-$(CONFIG_CAN) += can.o
7 can-y := af_can.o
8 can-$(CONFIG_PROC_FS) += proc.o
10 obj-$(CONFIG_CAN_RAW) += can-raw.o
11 can-raw-y := raw.o
13 obj-$(CONFIG_CAN_BCM) += can-bcm.o
14 can-bcm-y := bcm.o
16 obj-$(CONFIG_CAN_GW) += can-gw.o
17 can-gw-y := gw.o
21 obj-$(CONFIG_CAN_ISOTP) += can-isotp.o
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| /linux/Documentation/devicetree/bindings/net/can/ |
| H A D | renesas,rcar-can.yaml | 4 $id: http://devicetree.org/schemas/net/can/renesas,rcar-can.yaml#
7 title: Renesas R-Car CAN Controller
17 - renesas,can-r8a7778 # R-Car M1-A
18 - renesas,can-r8a7779 # R-Car H1
19 - const: renesas,rcar-gen1-can # R-Car Gen1
23 - renesas,can-r8a7742 # RZ/G1H
24 - renesas,can-r8a7743 # RZ/G1M
25 - renesas,can-r8a7744 # RZ/G1N
26 - renesas,can-r8a7745 # RZ/G1E
27 - renesas,can-r8a77470 # RZ/G1C
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| H A D | xilinx,can.yaml | 4 $id: http://devicetree.org/schemas/net/can/xilinx,can.yaml#
8 Xilinx CAN and CANFD controller
16 - xlnx,zynq-can-1.0
17 - xlnx,axi-can-1.00.a
39 description: CAN Tx fifo depth (Zynq, Axi CAN).
43 description: CAN Rx fifo depth (Zynq, Axi CAN, CAN FD in sequential Rx mode)
47 description: CAN Tx mailbox buffer count (CAN FD)
54 description: CAN TX_OL, TX_TL and RX FIFOs have ECC support(AXI CAN)
66 - $ref: can-controller.yaml#
72 - xlnx,zynq-can-1.0
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| H A D | allwinner,sun4i-a10-can.yaml | 4 $id: http://devicetree.org/schemas/net/can/allwinner,sun4i-a10-can.yaml#
7 title: Allwinner A10 CAN Controller
14 - $ref: can-controller.yaml#
20 - const: allwinner,sun7i-a20-can
21 - const: allwinner,sun4i-a10-can
22 - const: allwinner,sun4i-a10-can
23 - const: allwinner,sun8i-r40-can
24 - const: allwinner,sun20i-d1-can
42 - allwinner,sun8i-r40-can
43 - allwinner,sun20i-d1-can
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| H A D | fsl,flexcan.yaml | 4 $id: http://devicetree.org/schemas/net/can/fsl,flexcan.yaml#
8 Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
82 description: Regulator that powers the CAN transceiver.
95 can-transceiver:
96 $ref: can-transceiver.yaml#
106 req_gpr is the gpr register offset of CAN stop request.
107 req_bit is the bit offset of CAN stop request.
112 - description: The 'req_gpr' is the gpr register offset of CAN stop request.
114 - description: The 'req_bit' is the bit offset of CAN stop request.
119 Select the clock source to the CAN Protocol Engine (PE). It's SoC
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| /linux/include/uapi/linux/ |
| H A D | can.h | 3 * linux/can.h
5 * Definitions for CAN network layer (socket addr / CAN frame / CAN filter)
53 /* controller area network (CAN) kernel definitions */
60 /* valid bits in CAN ID for frame formats */
69 * bit 0-28 : CAN identifier (11/29 bit)
83 * bit 0-28 : error class mask (see include/uapi/linux/can/error.h)
88 /* CAN payload length and DLC definitions according to ISO 11898-1 */
93 /* CAN FD payload length and DLC definitions according to ISO 11898-7 */
98 * CAN XL payload length and DLC definitions according to ISO 11898-1
99 * CAN XL DLC ranges from 0 .. 2047 => data length from 1 .. 2048 byte
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| H A D | mii.h | 63 #define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */
64 #define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */
65 #define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
66 #define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
67 #define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
68 #define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
69 #define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */
86 #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
97 #define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
98 #define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */
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| /linux/include/uapi/linux/can/ |
| H A D | gw.h | 3 * linux/can/gw.h
5 * Definitions for CAN frame Gateway/Router/Bridge
49 #include <linux/can.h>
57 /* CAN gateway types */
60 CGW_TYPE_CAN_CAN, /* CAN->CAN routing */
66 /* CAN rtnetlink attribute definitions */
69 CGW_MOD_AND, /* CAN frame modification binary AND */
70 CGW_MOD_OR, /* CAN frame modification binary OR */
71 CGW_MOD_XOR, /* CAN frame modification binary XOR */
72 CGW_MOD_SET, /* CAN frame modification set alternate values */
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| /linux/drivers/rtc/ |
| H A D | Kconfig | 69 one can sleep when setting time, because it runs in the workqueue
129 can be accessed as /dev/rtc, which is a name
151 RTC test driver. It's a software RTC which can be
158 This driver can also be built as a module. If so, the module
172 This driver can also be built as a module. If so, the module
182 This driver can also be built as a module. If so, the module
192 This driver can also be built as a module. If so, the module
202 This driver can also be built as a module. If so, the module
212 This driver can also be built as a module. If so, the module
223 This driver can also be built as a module. If so, the module
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| /linux/fs/nls/ |
| H A D | Kconfig | 43 The Microsoft FAT file system family can deal with filenames in
48 only, not to the file contents. You can include several codepages;
55 The Microsoft FAT file system family can deal with filenames in
60 only, not to the file contents. You can include several codepages;
67 The Microsoft FAT file system family can deal with filenames in
72 only, not to the file contents. You can include several codepages;
80 The Microsoft FAT file system family can deal with filenames in
85 only, not to the file contents. You can include several codepages;
96 The Microsoft FAT file system family can deal with filenames in
101 only, not to the file contents. You can include several codepages;
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| /linux/Documentation/userspace-api/media/rc/ |
| H A D | lirc-get-features.rst | 41 .. _LIRC-CAN-REC-RAW:
47 .. _LIRC-CAN-REC-PULSE:
52 :ref:`LIRC_MODE_PULSE <lirc-mode-pulse>` can only be used for transmitting.
54 .. _LIRC-CAN-REC-MODE2:
64 .. _LIRC-CAN-REC-LIRCCODE:
70 .. _LIRC-CAN-REC-SCANCODE:
77 .. _LIRC-CAN-SET-SEND-CARRIER:
84 .. _LIRC-CAN-SET-SEND-DUTY-CYCLE:
91 .. _LIRC-CAN-SET-TRANSMITTER-MASK:
98 .. _LIRC-CAN-SET-REC-CARRIER:
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| /linux/drivers/accessibility/speakup/ |
| H A D | Kconfig | 10 kernel, it can speak everything on the text console from
14 can subscribe to.
22 that can be used with a plain text terminal.
24 Speakup can either be built in or compiled as a module
28 the synthesizer drivers below can only be built as
36 The Dectalk pc driver can only be built as a module, and
38 the module can be loaded. See the decpc choice below
55 synthesizer. You can say y to build it into the kernel,
64 synthesizer. You can say y to build it into the kernel,
72 synthesizer. You can say y to build it into the kernel,
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| /linux/Documentation/networking/device_drivers/can/ |
| H A D | can327.rst | 17 working with CAN buses.
19 CAN adapters are expensive, few, and far between.
21 Let's use ELM327s as CAN adapters.
29 into full fledged (as far as possible) CAN interfaces.
31 Since the ELM327 was never meant to be a stand alone CAN controller,
52 The official data sheets can be found at ELM electronics' home page:
64 If you have kept this default configuration, the line discipline can
80 Once the ldisc is attached, the CAN interface starts out unconfigured.
85 sudo ip link set can0 type can bitrate 500000
92 After this, you can set out as usual with candump, cansniffer, etc.
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| /linux/drivers/net/can/kvaser_pciefd/ |
| H A D | kvaser_pciefd_devlink.c | 38 int kvaser_pciefd_devlink_port_register(struct kvaser_pciefd_can *can) in kvaser_pciefd_devlink_port_register() argument
43 .phys.port_number = can->can.dev->dev_port, in kvaser_pciefd_devlink_port_register()
45 devlink_port_attrs_set(&can->devlink_port, &attrs); in kvaser_pciefd_devlink_port_register()
47 ret = devlink_port_register(priv_to_devlink(can->kv_pcie), in kvaser_pciefd_devlink_port_register()
48 &can->devlink_port, can->can.dev->dev_port); in kvaser_pciefd_devlink_port_register()
52 SET_NETDEV_DEVLINK_PORT(can->can.dev, &can->devlink_port); in kvaser_pciefd_devlink_port_register()
57 void kvaser_pciefd_devlink_port_unregister(struct kvaser_pciefd_can *can) in kvaser_pciefd_devlink_port_unregister() argument
59 devlink_port_unregister(&can->devlink_port); in kvaser_pciefd_devlink_port_unregister()
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| /linux/net/netfilter/ipset/ |
| H A D | Kconfig | 9 ipset(8). You can use the sets in netfilter via the "set" match
22 You can define here default value of the maximum number
25 The value can be overridden by the 'max_sets' module
33 can store IPv4 addresses (or network addresses) from a range.
42 can store IPv4 address and (source) MAC address pairs from a range.
51 can store TCP/UDP port numbers from a range.
60 can store arbitrary IPv4 or IPv6 addresses (or network addresses)
70 can store IPv4/IPv6 address and mark pairs.
79 can store IPv4/IPv6 address and protocol/port pairs.
88 one can store IPv4/IPv6 address, protocol/port, and IPv4/IPv6
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| /linux/Documentation/networking/device_drivers/can/ctu/ |
| H A D | ctucanfd-driver.rst | 3 CTU CAN FD Driver
9 About CTU CAN FD IP Core
12 `CTU CAN FD <https://gitlab.fel.cvut.cz/canbus/ctucanfd_ip_core>`_
19 `Vivado integration <https://gitlab.fel.cvut.cz/canbus/zynq/zynq-can-sja1000-top>`_
30 The basic functional model of the CTU CAN FD peripheral has been
31 accepted into QEMU mainline. See QEMU `CAN emulation support <https://www.qemu.org/docs/master/syst…
32 for CAN FD buses, host connection and CTU CAN FD core emulation. The development
33 version of emulation support can be cloned from ctu-canfd branch of QEMU local
40 SocketCAN is a standard common interface for CAN devices in the Linux
43 described in `Linux SocketCAN <https://www.kernel.org/doc/html/latest/networking/can.html>`_.
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| /linux/drivers/net/can/usb/etas_es58x/ |
| H A D | es58x_core.h | 3 /* Driver for ETAS GmbH ES58X USB CAN(-FD) Bus Interfaces.
15 #include <linux/can.h>
16 #include <linux/can/dev.h>
55 * @ES58X_DUAL_CHANNEL: Device has two CAN channels. If this flag is
56 * not set, it is implied that the device has only one CAN
58 * @ES58X_FD_FAMILY: Device is CAN-FD capable. If this flag is not
59 * set, the device only supports classical CAN.
73 * @ES58X_PHYSICAL_LAYER_HIGH_SPEED: High-speed CAN (c.f. ISO
76 * Some products of the ETAS portfolio also support low-speed CAN
92 * @ES58X_SYNC_EDGE_SINGLE: ISO CAN specification defines the use of a
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| /linux/Documentation/sound/cards/ |
| H A D | pcmtest.rst | 6 The Virtual PCM Test Driver emulates a generic PCM device, and can be used for
8 the PCM middle layer. Additionally, it can be used for simulating hard to reproduce
11 What can this driver do?
14 At this moment the driver can do the following things:
23 Also, this driver can check the playback stream for containing the predefined pattern,
47 First of all, you may want to specify the pattern for data generation. You can do it
54 To set the pattern for the channel 0 you can execute the following command:
63 The pattern itself can be up to 4096 bytes long.
69 can be used for time delay/speedup simulations. The parameter has integer type, and
73 negative - faster. You can try it yourself by starting a recording in any
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| /linux/Documentation/core-api/ |
| H A D | maple_tree.rst | 17 entry in a cache-efficient manner. The tree can also be put into an RCU-safe
19 synchronize on a lock, which can be the default spinlock, or the user can set
28 The Maple Tree can store values between ``0`` and ``ULONG_MAX``. The Maple
31 entries then the users can convert the entries using xa_mk_value() and convert
33 value, then the user can convert the value when using the
36 The Maple Tree can also be configured to support searching for a gap of a given
57 ``0`` upwards or ``ULONG_MAX`` down. An allocation tree can be used by
60 You can then set entries using mtree_store() or mtree_store_range().
64 given index. You can use mtree_erase() to erase an entire range by only
69 currently ``NULL``, you can use mtree_insert_range() or mtree_insert() which
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| /linux/drivers/nvmem/ |
| H A D | Kconfig | 39 This driver can also be built as a module. If so, the module will
50 This driver can also be built as a module. If so, the module will
63 This driver can also be built as a module. If so, the module
75 This driver can also be built as a module. If so, the module
84 This driver provides support for Broadcom's NVRAM that can be accessed
95 This driver can also be built as a module. If so, the module
107 This driver can also be built as a module. If so, the module
157 This driver can also be built as a module. If so, the module
189 This driver can also be built as a module. If so, the module
199 This driver can also be built as a module. If so, the module
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| /linux/tools/usb/usbip/ |
| H A D | INSTALL | 23 you can run in the future to recreate the current configuration, and a
27 It can also use an optional file (typically called `config.cache'
35 diffs or instructions to the address given in the `README' so they can
61 5. You can remove the program binaries and object files from the
63 files that `configure' created (so you can compile the package for
70 6. Often, you can also type `make uninstall' to remove the installed
80 You can give `configure' initial values for configuration parameters
91 You can compile the package for more than one kind of computer at the
93 own directory. To do this, you can use GNU `make'. `cd' to the
108 can specify an installation prefix other than `/usr/local' by giving
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