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From 46e6d487f9406001318e97d0349bcda07f923908 Mon Sep 17 00:00:00 2001
From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Date: Sat, 20 May 2023 10:22:52 +0200
Subject: [PATCH] include: cache copy of can.h and can/netlink.h
Ensure that rtnl-link-can example compiles in any installation. These
headers are not installed in the system.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Upstream: https://git.netfilter.org/libmnl/commit/?id=0b242d346dddba85384dd784759fe2b77f063e12
---
configure.ac | 2 +-
include/linux/Makefile.am | 4 +-
include/linux/can.h | 298 ++++++++++++++++++++++++++++++++++
include/linux/can/Makefile.am | 1 +
include/linux/can/netlink.h | 185 +++++++++++++++++++++
5 files changed, 487 insertions(+), 3 deletions(-)
create mode 100644 include/linux/can.h
create mode 100644 include/linux/can/Makefile.am
create mode 100644 include/linux/can/netlink.h
diff --git a/configure.ac b/configure.ac
index 314481dae87e..c8a56c6d0550 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,7 +27,7 @@ regular_CFLAGS="-Wall -Waggregate-return -Wmissing-declarations \
-Wformat=2 -pipe"
AC_SUBST([regular_CPPFLAGS])
AC_SUBST([regular_CFLAGS])
-AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile include/linux/netfilter/Makefile examples/Makefile examples/genl/Makefile examples/kobject/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg doxygen/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile include/Makefile include/libmnl/Makefile include/linux/Makefile include/linux/can/Makefile include/linux/netfilter/Makefile examples/Makefile examples/genl/Makefile examples/kobject/Makefile examples/netfilter/Makefile examples/rtnl/Makefile libmnl.pc doxygen.cfg doxygen/Makefile])
AC_ARG_WITH([doxygen], [AS_HELP_STRING([--with-doxygen],
[create doxygen documentation])],
diff --git a/include/linux/Makefile.am b/include/linux/Makefile.am
index 08c600b5fa42..ee0993dae186 100644
--- a/include/linux/Makefile.am
+++ b/include/linux/Makefile.am
@@ -1,2 +1,2 @@
-SUBDIRS = netfilter
-noinst_HEADERS = netlink.h socket.h
+SUBDIRS = can netfilter
+noinst_HEADERS = can.h netlink.h socket.h
diff --git a/include/linux/can.h b/include/linux/can.h
new file mode 100644
index 000000000000..2c6a3ee7d32d
--- /dev/null
+++ b/include/linux/can.h
@@ -0,0 +1,298 @@
+/* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */
+/*
+ * linux/can.h
+ *
+ * Definitions for CAN network layer (socket addr / CAN frame / CAN filter)
+ *
+ * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
+ * Urs Thuermann <urs.thuermann@volkswagen.de>
+ * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Volkswagen nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * Alternatively, provided that this notice is retained in full, this
+ * software may be distributed under the terms of the GNU General
+ * Public License ("GPL") version 2, in which case the provisions of the
+ * GPL apply INSTEAD OF those given above.
+ *
+ * The provided data structures and external interfaces from this code
+ * are not restricted to be used by modules with a GPL compatible license.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+#ifndef _UAPI_CAN_H
+#define _UAPI_CAN_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/stddef.h> /* for offsetof */
+
+/* controller area network (CAN) kernel definitions */
+
+/* special address description flags for the CAN_ID */
+#define CAN_EFF_FLAG 0x80000000U /* EFF/SFF is set in the MSB */
+#define CAN_RTR_FLAG 0x40000000U /* remote transmission request */
+#define CAN_ERR_FLAG 0x20000000U /* error message frame */
+
+/* valid bits in CAN ID for frame formats */
+#define CAN_SFF_MASK 0x000007FFU /* standard frame format (SFF) */
+#define CAN_EFF_MASK 0x1FFFFFFFU /* extended frame format (EFF) */
+#define CAN_ERR_MASK 0x1FFFFFFFU /* omit EFF, RTR, ERR flags */
+#define CANXL_PRIO_MASK CAN_SFF_MASK /* 11 bit priority mask */
+
+/*
+ * Controller Area Network Identifier structure
+ *
+ * bit 0-28 : CAN identifier (11/29 bit)
+ * bit 29 : error message frame flag (0 = data frame, 1 = error message)
+ * bit 30 : remote transmission request flag (1 = rtr frame)
+ * bit 31 : frame format flag (0 = standard 11 bit, 1 = extended 29 bit)
+ */
+typedef __u32 canid_t;
+
+#define CAN_SFF_ID_BITS 11
+#define CAN_EFF_ID_BITS 29
+#define CANXL_PRIO_BITS CAN_SFF_ID_BITS
+
+/*
+ * Controller Area Network Error Message Frame Mask structure
+ *
+ * bit 0-28 : error class mask (see include/uapi/linux/can/error.h)
+ * bit 29-31 : set to zero
+ */
+typedef __u32 can_err_mask_t;
+
+/* CAN payload length and DLC definitions according to ISO 11898-1 */
+#define CAN_MAX_DLC 8
+#define CAN_MAX_RAW_DLC 15
+#define CAN_MAX_DLEN 8
+
+/* CAN FD payload length and DLC definitions according to ISO 11898-7 */
+#define CANFD_MAX_DLC 15
+#define CANFD_MAX_DLEN 64
+
+/*
+ * CAN XL payload length and DLC definitions according to ISO 11898-1
+ * CAN XL DLC ranges from 0 .. 2047 => data length from 1 .. 2048 byte
+ */
+#define CANXL_MIN_DLC 0
+#define CANXL_MAX_DLC 2047
+#define CANXL_MAX_DLC_MASK 0x07FF
+#define CANXL_MIN_DLEN 1
+#define CANXL_MAX_DLEN 2048
+
+/**
+ * struct can_frame - Classical CAN frame structure (aka CAN 2.0B)
+ * @can_id: CAN ID of the frame and CAN_*_FLAG flags, see canid_t definition
+ * @len: CAN frame payload length in byte (0 .. 8)
+ * @can_dlc: deprecated name for CAN frame payload length in byte (0 .. 8)
+ * @__pad: padding
+ * @__res0: reserved / padding
+ * @len8_dlc: optional DLC value (9 .. 15) at 8 byte payload length
+ * len8_dlc contains values from 9 .. 15 when the payload length is
+ * 8 bytes but the DLC value (see ISO 11898-1) is greater then 8.
+ * CAN_CTRLMODE_CC_LEN8_DLC flag has to be enabled in CAN driver.
+ * @data: CAN frame payload (up to 8 byte)
+ */
+struct can_frame {
+ canid_t can_id; /* 32 bit CAN_ID + EFF/RTR/ERR flags */
+ union {
+ /* CAN frame payload length in byte (0 .. CAN_MAX_DLEN)
+ * was previously named can_dlc so we need to carry that
+ * name for legacy support
+ */
+ __u8 len;
+ __u8 can_dlc; /* deprecated */
+ } __attribute__((packed)); /* disable padding added in some ABIs */
+ __u8 __pad; /* padding */
+ __u8 __res0; /* reserved / padding */
+ __u8 len8_dlc; /* optional DLC for 8 byte payload length (9 .. 15) */
+ __u8 data[CAN_MAX_DLEN] __attribute__((aligned(8)));
+};
+
+/*
+ * defined bits for canfd_frame.flags
+ *
+ * The use of struct canfd_frame implies the FD Frame (FDF) bit to
+ * be set in the CAN frame bitstream on the wire. The FDF bit switch turns
+ * the CAN controllers bitstream processor into the CAN FD mode which creates
+ * two new options within the CAN FD frame specification:
+ *
+ * Bit Rate Switch - to indicate a second bitrate is/was used for the payload
+ * Error State Indicator - represents the error state of the transmitting node
+ *
+ * As the CANFD_ESI bit is internally generated by the transmitting CAN
+ * controller only the CANFD_BRS bit is relevant for real CAN controllers when
+ * building a CAN FD frame for transmission. Setting the CANFD_ESI bit can make
+ * sense for virtual CAN interfaces to test applications with echoed frames.
+ *
+ * The struct can_frame and struct canfd_frame intentionally share the same
+ * layout to be able to write CAN frame content into a CAN FD frame structure.
+ * When this is done the former differentiation via CAN_MTU / CANFD_MTU gets
+ * lost. CANFD_FDF allows programmers to mark CAN FD frames in the case of
+ * using struct canfd_frame for mixed CAN / CAN FD content (dual use).
+ * Since the introduction of CAN XL the CANFD_FDF flag is set in all CAN FD
+ * frame structures provided by the CAN subsystem of the Linux kernel.
+ */
+#define CANFD_BRS 0x01 /* bit rate switch (second bitrate for payload data) */
+#define CANFD_ESI 0x02 /* error state indicator of the transmitting node */
+#define CANFD_FDF 0x04 /* mark CAN FD for dual use of struct canfd_frame */
+
+/**
+ * struct canfd_frame - CAN flexible data rate frame structure
+ * @can_id: CAN ID of the frame and CAN_*_FLAG flags, see canid_t definition
+ * @len: frame payload length in byte (0 .. CANFD_MAX_DLEN)
+ * @flags: additional flags for CAN FD
+ * @__res0: reserved / padding
+ * @__res1: reserved / padding
+ * @data: CAN FD frame payload (up to CANFD_MAX_DLEN byte)
+ */
+struct canfd_frame {
+ canid_t can_id; /* 32 bit CAN_ID + EFF/RTR/ERR flags */
+ __u8 len; /* frame payload length in byte */
+ __u8 flags; /* additional flags for CAN FD */
+ __u8 __res0; /* reserved / padding */
+ __u8 __res1; /* reserved / padding */
+ __u8 data[CANFD_MAX_DLEN] __attribute__((aligned(8)));
+};
+
+/*
+ * defined bits for canxl_frame.flags
+ *
+ * The canxl_frame.flags element contains two bits CANXL_XLF and CANXL_SEC
+ * and shares the relative position of the struct can[fd]_frame.len element.
+ * The CANXL_XLF bit ALWAYS needs to be set to indicate a valid CAN XL frame.
+ * As a side effect setting this bit intentionally breaks the length checks
+ * for Classical CAN and CAN FD frames.
+ *
+ * Undefined bits in canxl_frame.flags are reserved and shall be set to zero.
+ */
+#define CANXL_XLF 0x80 /* mandatory CAN XL frame flag (must always be set!) */
+#define CANXL_SEC 0x01 /* Simple Extended Content (security/segmentation) */
+
+/**
+ * struct canxl_frame - CAN with e'X'tended frame 'L'ength frame structure
+ * @prio: 11 bit arbitration priority with zero'ed CAN_*_FLAG flags
+ * @flags: additional flags for CAN XL
+ * @sdt: SDU (service data unit) type
+ * @len: frame payload length in byte (CANXL_MIN_DLEN .. CANXL_MAX_DLEN)
+ * @af: acceptance field
+ * @data: CAN XL frame payload (CANXL_MIN_DLEN .. CANXL_MAX_DLEN byte)
+ *
+ * @prio shares the same position as @can_id from struct can[fd]_frame.
+ */
+struct canxl_frame {
+ canid_t prio; /* 11 bit priority for arbitration (canid_t) */
+ __u8 flags; /* additional flags for CAN XL */
+ __u8 sdt; /* SDU (service data unit) type */
+ __u16 len; /* frame payload length in byte */
+ __u32 af; /* acceptance field */
+ __u8 data[CANXL_MAX_DLEN];
+};
+
+#define CAN_MTU (sizeof(struct can_frame))
+#define CANFD_MTU (sizeof(struct canfd_frame))
+#define CANXL_MTU (sizeof(struct canxl_frame))
+#define CANXL_HDR_SIZE (offsetof(struct canxl_frame, data))
+#define CANXL_MIN_MTU (CANXL_HDR_SIZE + 64)
+#define CANXL_MAX_MTU CANXL_MTU
+
+/* particular protocols of the protocol family PF_CAN */
+#define CAN_RAW 1 /* RAW sockets */
+#define CAN_BCM 2 /* Broadcast Manager */
+#define CAN_TP16 3 /* VAG Transport Protocol v1.6 */
+#define CAN_TP20 4 /* VAG Transport Protocol v2.0 */
+#define CAN_MCNET 5 /* Bosch MCNet */
+#define CAN_ISOTP 6 /* ISO 15765-2 Transport Protocol */
+#define CAN_J1939 7 /* SAE J1939 */
+#define CAN_NPROTO 8
+
+#define SOL_CAN_BASE 100
+
+/*
+ * This typedef was introduced in Linux v3.1-rc2
+ * (commit 6602a4b net: Make userland include of netlink.h more sane)
+ * in <linux/socket.h>. It must be duplicated here to make the CAN
+ * headers self-contained.
+ */
+typedef unsigned short __kernel_sa_family_t;
+
+/**
+ * struct sockaddr_can - the sockaddr structure for CAN sockets
+ * @can_family: address family number AF_CAN.
+ * @can_ifindex: CAN network interface index.
+ * @can_addr: protocol specific address information
+ */
+struct sockaddr_can {
+ __kernel_sa_family_t can_family;
+ int can_ifindex;
+ union {
+ /* transport protocol class address information (e.g. ISOTP) */
+ struct { canid_t rx_id, tx_id; } tp;
+
+ /* J1939 address information */
+ struct {
+ /* 8 byte name when using dynamic addressing */
+ __u64 name;
+
+ /* pgn:
+ * 8 bit: PS in PDU2 case, else 0
+ * 8 bit: PF
+ * 1 bit: DP
+ * 1 bit: reserved
+ */
+ __u32 pgn;
+
+ /* 1 byte address */
+ __u8 addr;
+ } j1939;
+
+ /* reserved for future CAN protocols address information */
+ } can_addr;
+};
+
+/**
+ * struct can_filter - CAN ID based filter in can_register().
+ * @can_id: relevant bits of CAN ID which are not masked out.
+ * @can_mask: CAN mask (see description)
+ *
+ * Description:
+ * A filter matches, when
+ *
+ * <received_can_id> & mask == can_id & mask
+ *
+ * The filter can be inverted (CAN_INV_FILTER bit set in can_id) or it can
+ * filter for error message frames (CAN_ERR_FLAG bit set in mask).
+ */
+struct can_filter {
+ canid_t can_id;
+ canid_t can_mask;
+};
+
+#define CAN_INV_FILTER 0x20000000U /* to be set in can_filter.can_id */
+#define CAN_RAW_FILTER_MAX 512 /* maximum number of can_filter set via setsockopt() */
+
+#endif /* !_UAPI_CAN_H */
diff --git a/include/linux/can/Makefile.am b/include/linux/can/Makefile.am
new file mode 100644
index 000000000000..2d0288766894
--- /dev/null
+++ b/include/linux/can/Makefile.am
@@ -0,0 +1 @@
+noinst_HEADERS = netlink.h
diff --git a/include/linux/can/netlink.h b/include/linux/can/netlink.h
new file mode 100644
index 000000000000..02ec32d69474
--- /dev/null
+++ b/include/linux/can/netlink.h
@@ -0,0 +1,185 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * linux/can/netlink.h
+ *
+ * Definitions for the CAN netlink interface
+ *
+ * Copyright (c) 2009 Wolfgang Grandegger <wg@grandegger.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the version 2 of the GNU General Public License
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _UAPI_CAN_NETLINK_H
+#define _UAPI_CAN_NETLINK_H
+
+#include <linux/types.h>
+
+/*
+ * CAN bit-timing parameters
+ *
+ * For further information, please read chapter "8 BIT TIMING
+ * REQUIREMENTS" of the "Bosch CAN Specification version 2.0"
+ * at http://www.semiconductors.bosch.de/pdf/can2spec.pdf.
+ */
+struct can_bittiming {
+ __u32 bitrate; /* Bit-rate in bits/second */
+ __u32 sample_point; /* Sample point in one-tenth of a percent */
+ __u32 tq; /* Time quanta (TQ) in nanoseconds */
+ __u32 prop_seg; /* Propagation segment in TQs */
+ __u32 phase_seg1; /* Phase buffer segment 1 in TQs */
+ __u32 phase_seg2; /* Phase buffer segment 2 in TQs */
+ __u32 sjw; /* Synchronisation jump width in TQs */
+ __u32 brp; /* Bit-rate prescaler */
+};
+
+/*
+ * CAN hardware-dependent bit-timing constant
+ *
+ * Used for calculating and checking bit-timing parameters
+ */
+struct can_bittiming_const {
+ char name[16]; /* Name of the CAN controller hardware */
+ __u32 tseg1_min; /* Time segment 1 = prop_seg + phase_seg1 */
+ __u32 tseg1_max;
+ __u32 tseg2_min; /* Time segment 2 = phase_seg2 */
+ __u32 tseg2_max;
+ __u32 sjw_max; /* Synchronisation jump width */
+ __u32 brp_min; /* Bit-rate prescaler */
+ __u32 brp_max;
+ __u32 brp_inc;
+};
+
+/*
+ * CAN clock parameters
+ */
+struct can_clock {
+ __u32 freq; /* CAN system clock frequency in Hz */
+};
+
+/*
+ * CAN operational and error states
+ */
+enum can_state {
+ CAN_STATE_ERROR_ACTIVE = 0, /* RX/TX error count < 96 */
+ CAN_STATE_ERROR_WARNING, /* RX/TX error count < 128 */
+ CAN_STATE_ERROR_PASSIVE, /* RX/TX error count < 256 */
+ CAN_STATE_BUS_OFF, /* RX/TX error count >= 256 */
+ CAN_STATE_STOPPED, /* Device is stopped */
+ CAN_STATE_SLEEPING, /* Device is sleeping */
+ CAN_STATE_MAX
+};
+
+/*
+ * CAN bus error counters
+ */
+struct can_berr_counter {
+ __u16 txerr;
+ __u16 rxerr;
+};
+
+/*
+ * CAN controller mode
+ */
+struct can_ctrlmode {
+ __u32 mask;
+ __u32 flags;
+};
+
+#define CAN_CTRLMODE_LOOPBACK 0x01 /* Loopback mode */
+#define CAN_CTRLMODE_LISTENONLY 0x02 /* Listen-only mode */
+#define CAN_CTRLMODE_3_SAMPLES 0x04 /* Triple sampling mode */
+#define CAN_CTRLMODE_ONE_SHOT 0x08 /* One-Shot mode */
+#define CAN_CTRLMODE_BERR_REPORTING 0x10 /* Bus-error reporting */
+#define CAN_CTRLMODE_FD 0x20 /* CAN FD mode */
+#define CAN_CTRLMODE_PRESUME_ACK 0x40 /* Ignore missing CAN ACKs */
+#define CAN_CTRLMODE_FD_NON_ISO 0x80 /* CAN FD in non-ISO mode */
+#define CAN_CTRLMODE_CC_LEN8_DLC 0x100 /* Classic CAN DLC option */
+#define CAN_CTRLMODE_TDC_AUTO 0x200 /* CAN transiver automatically calculates TDCV */
+#define CAN_CTRLMODE_TDC_MANUAL 0x400 /* TDCV is manually set up by user */
+
+/*
+ * CAN device statistics
+ */
+struct can_device_stats {
+ __u32 bus_error; /* Bus errors */
+ __u32 error_warning; /* Changes to error warning state */
+ __u32 error_passive; /* Changes to error passive state */
+ __u32 bus_off; /* Changes to bus off state */
+ __u32 arbitration_lost; /* Arbitration lost errors */
+ __u32 restarts; /* CAN controller re-starts */
+};
+
+/*
+ * CAN netlink interface
+ */
+enum {
+ IFLA_CAN_UNSPEC,
+ IFLA_CAN_BITTIMING,
+ IFLA_CAN_BITTIMING_CONST,
+ IFLA_CAN_CLOCK,
+ IFLA_CAN_STATE,
+ IFLA_CAN_CTRLMODE,
+ IFLA_CAN_RESTART_MS,
+ IFLA_CAN_RESTART,
+ IFLA_CAN_BERR_COUNTER,
+ IFLA_CAN_DATA_BITTIMING,
+ IFLA_CAN_DATA_BITTIMING_CONST,
+ IFLA_CAN_TERMINATION,
+ IFLA_CAN_TERMINATION_CONST,
+ IFLA_CAN_BITRATE_CONST,
+ IFLA_CAN_DATA_BITRATE_CONST,
+ IFLA_CAN_BITRATE_MAX,
+ IFLA_CAN_TDC,
+ IFLA_CAN_CTRLMODE_EXT,
+
+ /* add new constants above here */
+ __IFLA_CAN_MAX,
+ IFLA_CAN_MAX = __IFLA_CAN_MAX - 1
+};
+
+/*
+ * CAN FD Transmitter Delay Compensation (TDC)
+ *
+ * Please refer to struct can_tdc_const and can_tdc in
+ * include/linux/can/bittiming.h for further details.
+ */
+enum {
+ IFLA_CAN_TDC_UNSPEC,
+ IFLA_CAN_TDC_TDCV_MIN, /* u32 */
+ IFLA_CAN_TDC_TDCV_MAX, /* u32 */
+ IFLA_CAN_TDC_TDCO_MIN, /* u32 */
+ IFLA_CAN_TDC_TDCO_MAX, /* u32 */
+ IFLA_CAN_TDC_TDCF_MIN, /* u32 */
+ IFLA_CAN_TDC_TDCF_MAX, /* u32 */
+ IFLA_CAN_TDC_TDCV, /* u32 */
+ IFLA_CAN_TDC_TDCO, /* u32 */
+ IFLA_CAN_TDC_TDCF, /* u32 */
+
+ /* add new constants above here */
+ __IFLA_CAN_TDC,
+ IFLA_CAN_TDC_MAX = __IFLA_CAN_TDC - 1
+};
+
+/*
+ * IFLA_CAN_CTRLMODE_EXT nest: controller mode extended parameters
+ */
+enum {
+ IFLA_CAN_CTRLMODE_UNSPEC,
+ IFLA_CAN_CTRLMODE_SUPPORTED, /* u32 */
+
+ /* add new constants above here */
+ __IFLA_CAN_CTRLMODE,
+ IFLA_CAN_CTRLMODE_MAX = __IFLA_CAN_CTRLMODE - 1
+};
+
+/* u16 termination range: 1..65535 Ohms */
+#define CAN_TERMINATION_DISABLED 0
+
+#endif /* !_UAPI_CAN_NETLINK_H */
--
2.32.0
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