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Add can_get_bittiming_const() 

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Luotao Fu <l.fu@pengutronix.de>
pull/106/head^2
Wolfgang Grandegger 2009-12-01 09:59:19 +01:00 committed by Luotao Fu
parent 73a4999c24
commit 463ac873c7
2 changed files with 18 additions and 0 deletions
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1
include/libsocketcan.h
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@ -38,5 +38,6 @@ int can_get_bittiming(const char *name, struct can_bittiming *bt);
int can_get_ctrlmode(const char *name, struct can_ctrlmode *cm);
int can_get_state(const char *name, int *state);
int can_get_clock(const char *name, struct can_clock *clock);
int can_get_bittiming_const(const char *name, struct can_bittiming_const *btc);
#endif

17
src/libsocketcan.c
View File

@ -47,6 +47,7 @@
#define GET_BITTIMING 3
#define GET_CTRLMODE 4
#define GET_CLOCK 5
#define GET_BITTIMING_CONST 6
struct get_req {
struct nlmsghdr n;
@ -388,6 +389,16 @@ static int do_get_nl_link(int fd, __u8 acquire, const char *name, void *res)
fprintf(stderr,
"no clock parameter data found\n");
break;
case GET_BITTIMING_CONST:
if (can_attr[IFLA_CAN_BITTIMING_CONST]) {
memcpy(res,
RTA_DATA(can_attr[IFLA_CAN_BITTIMING_CONST]),
sizeof(struct can_bittiming_const));
ret = 0;
} else
fprintf(stderr, "no bittiming_const data found\n");
break;
default:
fprintf(stderr, "unknown acquire mode\n");
@ -644,3 +655,9 @@ int can_get_clock(const char *name, struct can_clock *clock)
{
return get_link(name, GET_CLOCK, clock);
}
int can_get_bittiming_const(const char *name, struct can_bittiming_const *btc)
{
return get_link(name, GET_BITTIMING_CONST, btc);
}