libnl  3.2.21
CAN

Controller Area Network link module. More...

CAN Object

int rtnl_link_is_can (struct rtnl_link *link)
 Check if link is a CAN link.
int rtnl_link_can_restart (struct rtnl_link *link)
 Restart CAN device.
int rtnl_link_can_freq (struct rtnl_link *link, uint32_t *freq)
 Get CAN base frequency.
int rtnl_link_can_berr_rx (struct rtnl_link *link)
 Get CAN RX bus error count.
int rtnl_link_can_berr_tx (struct rtnl_link *link)
 Get CAN TX bus error count.
int rtnl_link_can_berr (struct rtnl_link *link, struct can_berr_counter *berr)
 Get CAN bus error count.
int rtnl_link_can_get_bt_const (struct rtnl_link *link, struct can_bittiming_const *bt_const)
 Get CAN harware-dependent bit-timing constant.
int rtnl_link_can_get_bittiming (struct rtnl_link *link, struct can_bittiming *bit_timing)
 Get CAN device bit-timing.
int rtnl_link_can_set_bittiming (struct rtnl_link *link, struct can_bittiming *bit_timing)
 Set CAN device bit-timing.
int rtnl_link_can_get_bitrate (struct rtnl_link *link, uint32_t *bitrate)
 Get CAN device bit-timing.
int rtnl_link_can_set_bitrate (struct rtnl_link *link, uint32_t bitrate)
 Set CAN device bit-rate.
int rtnl_link_can_get_sample_point (struct rtnl_link *link, uint32_t *sp)
 Get CAN device sample point.
int rtnl_link_can_set_sample_point (struct rtnl_link *link, uint32_t sp)
 Set CAN device sample point.
int rtnl_link_can_get_restart_ms (struct rtnl_link *link, uint32_t *interval)
 Get CAN device restart intervall.
int rtnl_link_can_set_restart_ms (struct rtnl_link *link, uint32_t interval)
 Set CAN device restart intervall.
int rtnl_link_can_get_ctrlmode (struct rtnl_link *link, uint32_t *ctrlmode)
 Get CAN control mode.
int rtnl_link_can_set_ctrlmode (struct rtnl_link *link, uint32_t ctrlmode)
 Set a CAN Control Mode.
int rtnl_link_can_unset_ctrlmode (struct rtnl_link *link, uint32_t ctrlmode)
 Unset a CAN Control Mode.

Control Mode Translation

char * rtnl_link_can_ctrlmode2str (int ctrlmode, char *buf, size_t len)
int rtnl_link_can_str2ctrlmode (const char *name)

Detailed Description

Controller Area Network link module.

Link Type Name: "can"

CAN Documentation (Netlink Routing Development Guide)


Function Documentation

int rtnl_link_is_can ( struct rtnl_link link)

Check if link is a CAN link.

Parameters:
linkLink object
Returns:
True if link is a CAN link, otherwise false is returned.

Definition at line 361 of file can.c.

int rtnl_link_can_restart ( struct rtnl_link link)

Restart CAN device.

Parameters:
linkLink object
Returns:
0 on success or a negative error code

Definition at line 372 of file can.c.

int rtnl_link_can_freq ( struct rtnl_link link,
uint32_t *  freq 
)

Get CAN base frequency.

Parameters:
linkLink object
freqfrequency in Hz
Returns:
0 on success or a negative error code

Definition at line 391 of file can.c.

int rtnl_link_can_berr_rx ( struct rtnl_link link)

Get CAN RX bus error count.

Parameters:
linkLink object
Returns:
RX bus error count on success or a negative error code

Definition at line 413 of file can.c.

int rtnl_link_can_berr_tx ( struct rtnl_link link)

Get CAN TX bus error count.

Parameters:
linkLink object
Returns:
TX bus error count on success or a negative error code

Definition at line 431 of file can.c.

int rtnl_link_can_berr ( struct rtnl_link link,
struct can_berr_counter *  berr 
)

Get CAN bus error count.

Parameters:
linkLink object
berrBus error count
Returns:
0 on success or a negative error code

Definition at line 450 of file can.c.

int rtnl_link_can_get_bt_const ( struct rtnl_link link,
struct can_bittiming_const *  bt_const 
)

Get CAN harware-dependent bit-timing constant.

Parameters:
linkLink object
bt_constBit-timing constant
Returns:
0 on success or a negative error code

Definition at line 473 of file can.c.

int rtnl_link_can_get_bittiming ( struct rtnl_link link,
struct can_bittiming *  bit_timing 
)

Get CAN device bit-timing.

Parameters:
linkLink object
bit_timingCAN bit-timing
Returns:
0 on success or a negative error code

Definition at line 497 of file can.c.

int rtnl_link_can_set_bittiming ( struct rtnl_link link,
struct can_bittiming *  bit_timing 
)

Set CAN device bit-timing.

Parameters:
linkLink object
bit_timingCAN bit-timing
Returns:
0 on success or a negative error code

Definition at line 521 of file can.c.

int rtnl_link_can_get_bitrate ( struct rtnl_link link,
uint32_t *  bitrate 
)

Get CAN device bit-timing.

Parameters:
linkLink object
bitrateCAN bitrate
Returns:
0 on success or a negative error code

Definition at line 543 of file can.c.

int rtnl_link_can_set_bitrate ( struct rtnl_link link,
uint32_t  bitrate 
)

Set CAN device bit-rate.

Parameters:
linkLink object
bitrateCAN bitrate
Returns:
0 on success or a negative error code

Definition at line 566 of file can.c.

int rtnl_link_can_get_sample_point ( struct rtnl_link link,
uint32_t *  sp 
)

Get CAN device sample point.

Parameters:
linkLink object
spCAN sample point
Returns:
0 on success or a negative error code

Definition at line 585 of file can.c.

int rtnl_link_can_set_sample_point ( struct rtnl_link link,
uint32_t  sp 
)

Set CAN device sample point.

Parameters:
linkLink object
spCAN sample point
Returns:
0 on success or a negative error code

Definition at line 608 of file can.c.

int rtnl_link_can_get_restart_ms ( struct rtnl_link link,
uint32_t *  interval 
)

Get CAN device restart intervall.

Parameters:
linkLink object
intervalRestart intervall in ms
Returns:
0 on success or a negative error code

Definition at line 627 of file can.c.

int rtnl_link_can_set_restart_ms ( struct rtnl_link link,
uint32_t  interval 
)

Set CAN device restart intervall.

Parameters:
linkLink object
intervalRestart intervall in ms
Returns:
0 on success or a negative error code

Definition at line 650 of file can.c.

int rtnl_link_can_get_ctrlmode ( struct rtnl_link link,
uint32_t *  ctrlmode 
)

Get CAN control mode.

Parameters:
linkLink object
ctrlmodeCAN control mode
Returns:
0 on success or a negative error code

Definition at line 669 of file can.c.

int rtnl_link_can_set_ctrlmode ( struct rtnl_link link,
uint32_t  ctrlmode 
)

Set a CAN Control Mode.

Parameters:
linkLink object
ctrlmodeCAN control mode
Returns:
0 on success or a negative error code

Definition at line 692 of file can.c.

int rtnl_link_can_unset_ctrlmode ( struct rtnl_link link,
uint32_t  ctrlmode 
)

Unset a CAN Control Mode.

Parameters:
linkLink object
ctrlmodeCAN control mode
Returns:
0 on success or a negative error code

Definition at line 712 of file can.c.