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iproute2: Add support for CAN presume-ack feature

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This patch makes CAN_CTRLMODE_PRESUME_ACK netlink feature configurable.
When enabled, the feature sets CAN controller in mode in which
acknowledgement absence is ignored.

Signed-off-by: Nikita Edward Baruzdin <nebaruzdin@gmail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
This commit is contained in:
Nikita Edward Baruzdin 2014-12-05 11:41:42 +03:00 committed by Stephen Hemminger
parent d471791427
commit d26caee7e9
1 changed files with 6 additions and 0 deletions
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6
ip/iplink_can.c
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@ -37,6 +37,7 @@ static void print_usage(FILE *f)
"\t[ one-shot { on | off } ]\n"
"\t[ berr-reporting { on | off } ]\n"
"\t[ fd { on | off } ]\n"
"\t[ presume-ack { on | off } ]\n"
"\n"
"\t[ restart-ms TIME-MS ]\n"
"\t[ restart ]\n"
@ -99,6 +100,7 @@ static void print_ctrlmode(FILE *f, __u32 cm)
_PF(CAN_CTRLMODE_ONE_SHOT, "ONE-SHOT");
_PF(CAN_CTRLMODE_BERR_REPORTING, "BERR-REPORTING");
_PF(CAN_CTRLMODE_FD, "FD");
_PF(CAN_CTRLMODE_PRESUME_ACK, "PRESUME-ACK");
#undef _PF
if (cm)
fprintf(f, "%x", cm);
@ -201,6 +203,10 @@ static int can_parse_opt(struct link_util *lu, int argc, char **argv,
NEXT_ARG();
set_ctrlmode("fd", *argv, &cm,
CAN_CTRLMODE_FD);
} else if (matches(*argv, "presume-ack") == 0) {
NEXT_ARG();
set_ctrlmode("presume-ack", *argv, &cm,
CAN_CTRLMODE_PRESUME_ACK);
} else if (matches(*argv, "restart") == 0) {
__u32 val = 1;