#include "utils.h"
#include "ip_common.h"
-static void usage(void)
+static void print_usage(FILE *f)
{
- fprintf(stderr,
+ fprintf(f,
"Usage: ip link set DEVICE type can\n"
- "\t[ bitrate BITRATE [ sample-point SAMPLE-POINT] ] | \n"
- "\t[ tq TQ prop-seg PROP_SEG phase-seg1 PHASE-SEG1\n "
- "\t phase-seg2 PHASE-SEG2 [ sjw SJW ] ]\n"
+ "\t[ bitrate BITRATE [ sample-point SAMPLE-POINT] ] |\n"
+ "\t[ tq TQ prop-seg PROP_SEG phase-seg1 PHASE-SEG1\n \t phase-seg2 PHASE-SEG2 [ sjw SJW ] ]\n"
+ "\n"
+ "\t[ dbitrate BITRATE [ dsample-point SAMPLE-POINT] ] |\n"
+ "\t[ dtq TQ dprop-seg PROP_SEG dphase-seg1 PHASE-SEG1\n \t dphase-seg2 PHASE-SEG2 [ dsjw SJW ] ]\n"
"\n"
"\t[ loopback { on | off } ]\n"
"\t[ listen-only { on | off } ]\n"
"\t[ triple-sampling { on | off } ]\n"
"\t[ one-shot { on | off } ]\n"
"\t[ berr-reporting { on | off } ]\n"
+ "\t[ fd { on | off } ]\n"
+ "\t[ fd-non-iso { on | off } ]\n"
+ "\t[ presume-ack { on | off } ]\n"
"\n"
"\t[ restart-ms TIME-MS ]\n"
"\t[ restart ]\n"
"\n"
+ "\t[ termination { 0..65535 } ]\n"
+ "\n"
"\tWhere: BITRATE := { 1..1000000 }\n"
"\t SAMPLE-POINT := { 0.000..0.999 }\n"
"\t TQ := { NUMBER }\n"
);
}
+static void usage(void)
+{
+ print_usage(stderr);
+}
+
static int get_float(float *val, const char *arg)
{
float res;
return 0;
}
-static void set_ctrlmode(char* name, char *arg,
+static void set_ctrlmode(char *name, char *arg,
struct can_ctrlmode *cm, __u32 flags)
{
if (strcmp(arg, "on") == 0) {
static void print_ctrlmode(FILE *f, __u32 cm)
{
- fprintf(f, "<");
-#define _PF(cmflag, cmname) \
- if (cm & cmflag) { \
- cm &= ~cmflag; \
- fprintf(f, "%s%s", cmname, cm ? "," : ""); \
+ open_json_array(PRINT_ANY, is_json_context() ? "ctrlmode" : "<");
+#define _PF(cmflag, cmname) \
+ if (cm & cmflag) { \
+ cm &= ~cmflag; \
+ print_string(PRINT_ANY, NULL, cm ? "%s," : "%s", cmname); \
}
_PF(CAN_CTRLMODE_LOOPBACK, "LOOPBACK");
_PF(CAN_CTRLMODE_LISTENONLY, "LISTEN-ONLY");
_PF(CAN_CTRLMODE_3_SAMPLES, "TRIPLE-SAMPLING");
_PF(CAN_CTRLMODE_ONE_SHOT, "ONE-SHOT");
_PF(CAN_CTRLMODE_BERR_REPORTING, "BERR-REPORTING");
+ _PF(CAN_CTRLMODE_FD, "FD");
+ _PF(CAN_CTRLMODE_FD_NON_ISO, "FD-NON-ISO");
+ _PF(CAN_CTRLMODE_PRESUME_ACK, "PRESUME-ACK");
#undef _PF
if (cm)
- fprintf(f, "%x", cm);
- fprintf(f, "> ");
+ print_hex(PRINT_ANY, NULL, "%x", cm);
+ close_json_array(PRINT_ANY, "> ");
}
static int can_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
- struct can_bittiming bt;
+ struct can_bittiming bt = {}, dbt = {};
struct can_ctrlmode cm = {0, 0};
- memset(&bt, 0, sizeof(bt));
while (argc > 0) {
if (matches(*argv, "bitrate") == 0) {
NEXT_ARG();
NEXT_ARG();
if (get_u32(&bt.sjw, *argv, 0))
invarg("invalid \"sjw\" value\n", *argv);
+ } else if (matches(*argv, "dbitrate") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.bitrate, *argv, 0))
+ invarg("invalid \"dbitrate\" value\n", *argv);
+ } else if (matches(*argv, "dsample-point") == 0) {
+ float sp;
+
+ NEXT_ARG();
+ if (get_float(&sp, *argv))
+ invarg("invalid \"dsample-point\" value\n", *argv);
+ dbt.sample_point = (__u32)(sp * 1000);
+ } else if (matches(*argv, "dtq") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.tq, *argv, 0))
+ invarg("invalid \"dtq\" value\n", *argv);
+ } else if (matches(*argv, "dprop-seg") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.prop_seg, *argv, 0))
+ invarg("invalid \"dprop-seg\" value\n", *argv);
+ } else if (matches(*argv, "dphase-seg1") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.phase_seg1, *argv, 0))
+ invarg("invalid \"dphase-seg1\" value\n", *argv);
+ } else if (matches(*argv, "dphase-seg2") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.phase_seg2, *argv, 0))
+ invarg("invalid \"dphase-seg2\" value\n", *argv);
+ } else if (matches(*argv, "dsjw") == 0) {
+ NEXT_ARG();
+ if (get_u32(&dbt.sjw, *argv, 0))
+ invarg("invalid \"dsjw\" value\n", *argv);
} else if (matches(*argv, "loopback") == 0) {
NEXT_ARG();
set_ctrlmode("loopback", *argv, &cm,
NEXT_ARG();
set_ctrlmode("berr-reporting", *argv, &cm,
CAN_CTRLMODE_BERR_REPORTING);
+ } else if (matches(*argv, "fd") == 0) {
+ NEXT_ARG();
+ set_ctrlmode("fd", *argv, &cm,
+ CAN_CTRLMODE_FD);
+ } else if (matches(*argv, "fd-non-iso") == 0) {
+ NEXT_ARG();
+ set_ctrlmode("fd-non-iso", *argv, &cm,
+ CAN_CTRLMODE_FD_NON_ISO);
+ } 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;
if (get_u32(&val, *argv, 0))
invarg("invalid \"restart-ms\" value\n", *argv);
addattr32(n, 1024, IFLA_CAN_RESTART_MS, val);
+ } else if (matches(*argv, "termination") == 0) {
+ __u16 val;
+
+ NEXT_ARG();
+ if (get_u16(&val, *argv, 0))
+ invarg("invalid \"termination\" value\n",
+ *argv);
+ addattr16(n, 1024, IFLA_CAN_TERMINATION, val);
} else if (matches(*argv, "help") == 0) {
usage();
return -1;
if (bt.bitrate || bt.tq)
addattr_l(n, 1024, IFLA_CAN_BITTIMING, &bt, sizeof(bt));
+ if (dbt.bitrate || dbt.tq)
+ addattr_l(n, 1024, IFLA_CAN_DATA_BITTIMING, &dbt, sizeof(dbt));
if (cm.mask)
addattr_l(n, 1024, IFLA_CAN_CTRLMODE, &cm, sizeof(cm));
return 0;
}
-static const char *can_state_names[] = {
+static const char *can_state_names[CAN_STATE_MAX] = {
[CAN_STATE_ERROR_ACTIVE] = "ERROR-ACTIVE",
[CAN_STATE_ERROR_WARNING] = "ERROR-WARNING",
[CAN_STATE_ERROR_PASSIVE] = "ERROR-PASSIVE",
[CAN_STATE_SLEEPING] = "SLEEPING"
};
+static void can_print_json_timing_min_max(const char *attr, int min, int max)
+{
+ open_json_object(attr);
+ print_int(PRINT_JSON, "min", NULL, min);
+ print_int(PRINT_JSON, "max", NULL, max);
+ close_json_object();
+}
+
static void can_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
if (!tb)
}
if (tb[IFLA_CAN_STATE]) {
- int *state = RTA_DATA(tb[IFLA_CAN_STATE]);
+ uint32_t state = rta_getattr_u32(tb[IFLA_CAN_STATE]);
- fprintf(f, "state %s ", *state <= CAN_STATE_MAX ?
- can_state_names[*state] : "UNKNOWN");
+ fprintf(f, "state %s ", state < CAN_STATE_MAX ?
+ can_state_names[state] : "UNKNOWN");
}
if (tb[IFLA_CAN_BERR_COUNTER]) {
struct can_berr_counter *bc =
RTA_DATA(tb[IFLA_CAN_BERR_COUNTER]);
- fprintf(f, "(berr-counter tx %d rx %d) ", bc->txerr, bc->rxerr);
+ if (is_json_context()) {
+ open_json_object("berr_counter");
+ print_int(PRINT_JSON, "tx", NULL, bc->txerr);
+ print_int(PRINT_JSON, "rx", NULL, bc->rxerr);
+ close_json_object();
+ } else {
+ fprintf(f, "(berr-counter tx %d rx %d) ",
+ bc->txerr, bc->rxerr);
+ }
}
if (tb[IFLA_CAN_RESTART_MS]) {
__u32 *restart_ms = RTA_DATA(tb[IFLA_CAN_RESTART_MS]);
- fprintf(f, "restart-ms %d ", *restart_ms);
+ print_int(PRINT_ANY,
+ "restart_ms",
+ "restart-ms %d ",
+ *restart_ms);
}
- if (tb[IFLA_CAN_BITTIMING]) {
+ /* bittiming is irrelevant if fixed bitrate is defined */
+ if (tb[IFLA_CAN_BITTIMING] && !tb[IFLA_CAN_BITRATE_CONST]) {
struct can_bittiming *bt = RTA_DATA(tb[IFLA_CAN_BITTIMING]);
- fprintf(f, "\n "
- "bitrate %d sample-point %.3f ",
- bt->bitrate, (float)bt->sample_point / 1000.);
- fprintf(f, "\n "
- "tq %d prop-seg %d phase-seg1 %d phase-seg2 %d sjw %d",
- bt->tq, bt->prop_seg, bt->phase_seg1, bt->phase_seg2,
- bt->sjw);
+ if (is_json_context()) {
+ json_writer_t *jw;
+
+ open_json_object("bittiming");
+ print_int(PRINT_ANY, "bitrate", NULL, bt->bitrate);
+ jw = get_json_writer();
+ jsonw_name(jw, "sample_point");
+ jsonw_printf(jw, "%.3f",
+ (float) bt->sample_point / 1000);
+ print_int(PRINT_ANY, "tq", NULL, bt->tq);
+ print_int(PRINT_ANY, "prop_seg", NULL, bt->prop_seg);
+ print_int(PRINT_ANY, "phase_seg1",
+ NULL, bt->phase_seg1);
+ print_int(PRINT_ANY, "phase_seg2",
+ NULL, bt->phase_seg2);
+ print_int(PRINT_ANY, "sjw", NULL, bt->sjw);
+ close_json_object();
+ } else {
+ fprintf(f, "\n bitrate %d sample-point %.3f ",
+ bt->bitrate, (float) bt->sample_point / 1000.);
+ fprintf(f,
+ "\n tq %d prop-seg %d phase-seg1 %d phase-seg2 %d sjw %d",
+ bt->tq, bt->prop_seg,
+ bt->phase_seg1, bt->phase_seg2,
+ bt->sjw);
+ }
}
- if (tb[IFLA_CAN_BITTIMING_CONST]) {
+ /* bittiming const is irrelevant if fixed bitrate is defined */
+ if (tb[IFLA_CAN_BITTIMING_CONST] && !tb[IFLA_CAN_BITRATE_CONST]) {
struct can_bittiming_const *btc =
RTA_DATA(tb[IFLA_CAN_BITTIMING_CONST]);
- fprintf(f, "\n "
- "%s: tseg1 %d..%d tseg2 %d..%d "
- "sjw 1..%d brp %d..%d brp-inc %d",
- btc->name, btc->tseg1_min, btc->tseg1_max,
- btc->tseg2_min, btc->tseg2_max, btc->sjw_max,
- btc->brp_min, btc->brp_max, btc->brp_inc);
+ if (is_json_context()) {
+ open_json_object("bittiming_const");
+ print_string(PRINT_JSON, "name", NULL, btc->name);
+ can_print_json_timing_min_max("tseg1",
+ btc->tseg1_min,
+ btc->tseg1_max);
+ can_print_json_timing_min_max("tseg2",
+ btc->tseg2_min,
+ btc->tseg2_max);
+ can_print_json_timing_min_max("sjw", 1, btc->sjw_max);
+ can_print_json_timing_min_max("brp",
+ btc->brp_min,
+ btc->brp_max);
+ print_int(PRINT_JSON, "brp_inc", NULL, btc->brp_inc);
+ close_json_object();
+ } else {
+ fprintf(f, "\n %s: tseg1 %d..%d tseg2 %d..%d "
+ "sjw 1..%d brp %d..%d brp-inc %d",
+ btc->name, btc->tseg1_min, btc->tseg1_max,
+ btc->tseg2_min, btc->tseg2_max, btc->sjw_max,
+ btc->brp_min, btc->brp_max, btc->brp_inc);
+ }
+ }
+
+ if (tb[IFLA_CAN_BITRATE_CONST]) {
+ __u32 *bitrate_const = RTA_DATA(tb[IFLA_CAN_BITRATE_CONST]);
+ int bitrate_cnt = RTA_PAYLOAD(tb[IFLA_CAN_BITRATE_CONST]) /
+ sizeof(*bitrate_const);
+ int i;
+ __u32 bitrate = 0;
+
+ if (tb[IFLA_CAN_BITTIMING]) {
+ struct can_bittiming *bt =
+ RTA_DATA(tb[IFLA_CAN_BITTIMING]);
+ bitrate = bt->bitrate;
+ }
+
+ if (is_json_context()) {
+ print_uint(PRINT_JSON,
+ "bittiming_bitrate",
+ NULL, bitrate);
+ open_json_array(PRINT_JSON, "bitrate_const");
+ for (i = 0; i < bitrate_cnt; ++i)
+ print_uint(PRINT_JSON, NULL, NULL,
+ bitrate_const[i]);
+ close_json_array(PRINT_JSON, NULL);
+ } else {
+ fprintf(f, "\n bitrate %u", bitrate);
+ fprintf(f, "\n [");
+
+ for (i = 0; i < bitrate_cnt - 1; ++i) {
+ /* This will keep lines below 80 signs */
+ if (!(i % 6) && i)
+ fprintf(f, "\n ");
+
+ fprintf(f, "%8u, ", bitrate_const[i]);
+ }
+
+ if (!(i % 6) && i)
+ fprintf(f, "\n ");
+ fprintf(f, "%8u ]", bitrate_const[i]);
+ }
+ }
+
+ /* data bittiming is irrelevant if fixed bitrate is defined */
+ if (tb[IFLA_CAN_DATA_BITTIMING] && !tb[IFLA_CAN_DATA_BITRATE_CONST]) {
+ struct can_bittiming *dbt =
+ RTA_DATA(tb[IFLA_CAN_DATA_BITTIMING]);
+
+ if (is_json_context()) {
+ json_writer_t *jw;
+
+ open_json_object("data_bittiming");
+ print_int(PRINT_JSON, "bitrate", NULL, dbt->bitrate);
+ jw = get_json_writer();
+ jsonw_name(jw, "sample_point");
+ jsonw_printf(jw, "%.3f",
+ (float) dbt->sample_point / 1000.);
+ print_int(PRINT_JSON, "tq", NULL, dbt->tq);
+ print_int(PRINT_JSON, "prop_seg", NULL, dbt->prop_seg);
+ print_int(PRINT_JSON, "phase_seg1",
+ NULL, dbt->phase_seg1);
+ print_int(PRINT_JSON, "phase_seg2",
+ NULL, dbt->phase_seg2);
+ print_int(PRINT_JSON, "sjw", NULL, dbt->sjw);
+ close_json_object();
+ } else {
+ fprintf(f, "\n dbitrate %d dsample-point %.3f ",
+ dbt->bitrate,
+ (float) dbt->sample_point / 1000.);
+ fprintf(f, "\n dtq %d dprop-seg %d dphase-seg1 %d "
+ "dphase-seg2 %d dsjw %d",
+ dbt->tq, dbt->prop_seg, dbt->phase_seg1,
+ dbt->phase_seg2, dbt->sjw);
+ }
+ }
+
+ /* data bittiming const is irrelevant if fixed bitrate is defined */
+ if (tb[IFLA_CAN_DATA_BITTIMING_CONST] &&
+ !tb[IFLA_CAN_DATA_BITRATE_CONST]) {
+ struct can_bittiming_const *dbtc =
+ RTA_DATA(tb[IFLA_CAN_DATA_BITTIMING_CONST]);
+
+ if (is_json_context()) {
+ open_json_object("data_bittiming_const");
+ print_string(PRINT_JSON, "name", NULL, dbtc->name);
+ can_print_json_timing_min_max("tseg1",
+ dbtc->tseg1_min,
+ dbtc->tseg1_max);
+ can_print_json_timing_min_max("tseg2",
+ dbtc->tseg2_min,
+ dbtc->tseg2_max);
+ can_print_json_timing_min_max("sjw", 1, dbtc->sjw_max);
+ can_print_json_timing_min_max("brp",
+ dbtc->brp_min,
+ dbtc->brp_max);
+
+ print_int(PRINT_JSON, "brp_inc", NULL, dbtc->brp_inc);
+ close_json_object();
+ } else {
+ fprintf(f, "\n %s: dtseg1 %d..%d dtseg2 %d..%d "
+ "dsjw 1..%d dbrp %d..%d dbrp-inc %d",
+ dbtc->name, dbtc->tseg1_min, dbtc->tseg1_max,
+ dbtc->tseg2_min, dbtc->tseg2_max, dbtc->sjw_max,
+ dbtc->brp_min, dbtc->brp_max, dbtc->brp_inc);
+ }
+ }
+
+ if (tb[IFLA_CAN_DATA_BITRATE_CONST]) {
+ __u32 *dbitrate_const =
+ RTA_DATA(tb[IFLA_CAN_DATA_BITRATE_CONST]);
+ int dbitrate_cnt =
+ RTA_PAYLOAD(tb[IFLA_CAN_DATA_BITRATE_CONST]) /
+ sizeof(*dbitrate_const);
+ int i;
+ __u32 dbitrate = 0;
+
+ if (tb[IFLA_CAN_DATA_BITTIMING]) {
+ struct can_bittiming *dbt =
+ RTA_DATA(tb[IFLA_CAN_DATA_BITTIMING]);
+ dbitrate = dbt->bitrate;
+ }
+
+ if (is_json_context()) {
+ print_uint(PRINT_JSON, "data_bittiming_bitrate",
+ NULL, dbitrate);
+ open_json_array(PRINT_JSON, "data_bitrate_const");
+ for (i = 0; i < dbitrate_cnt; ++i)
+ print_uint(PRINT_JSON, NULL, NULL,
+ dbitrate_const[i]);
+ close_json_array(PRINT_JSON, NULL);
+ } else {
+ fprintf(f, "\n dbitrate %u", dbitrate);
+ fprintf(f, "\n [");
+
+ for (i = 0; i < dbitrate_cnt - 1; ++i) {
+ /* This will keep lines below 80 signs */
+ if (!(i % 6) && i)
+ fprintf(f, "\n ");
+
+ fprintf(f, "%8u, ", dbitrate_const[i]);
+ }
+
+ if (!(i % 6) && i)
+ fprintf(f, "\n ");
+ fprintf(f, "%8u ]", dbitrate_const[i]);
+ }
+ }
+
+ if (tb[IFLA_CAN_TERMINATION_CONST] && tb[IFLA_CAN_TERMINATION]) {
+ __u16 *trm = RTA_DATA(tb[IFLA_CAN_TERMINATION]);
+ __u16 *trm_const = RTA_DATA(tb[IFLA_CAN_TERMINATION_CONST]);
+ int trm_cnt = RTA_PAYLOAD(tb[IFLA_CAN_TERMINATION_CONST]) /
+ sizeof(*trm_const);
+ int i;
+
+ if (is_json_context()) {
+ print_hu(PRINT_JSON, "termination", NULL, *trm);
+ open_json_array(PRINT_JSON, "termination_const");
+ for (i = 0; i < trm_cnt; ++i)
+ print_hu(PRINT_JSON, NULL, NULL, trm_const[i]);
+ close_json_array(PRINT_JSON, NULL);
+ } else {
+ fprintf(f, "\n termination %hu [ ", *trm);
+
+ for (i = 0; i < trm_cnt - 1; ++i)
+ fprintf(f, "%hu, ", trm_const[i]);
+
+ fprintf(f, "%hu ]", trm_const[i]);
+ }
}
if (tb[IFLA_CAN_CLOCK]) {
struct can_clock *clock = RTA_DATA(tb[IFLA_CAN_CLOCK]);
- fprintf(f, "\n clock %d", clock->freq);
+ print_int(PRINT_ANY,
+ "clock",
+ "\n clock %d",
+ clock->freq);
}
}
if (xstats && RTA_PAYLOAD(xstats) == sizeof(*stats)) {
stats = RTA_DATA(xstats);
- fprintf(f, "\n "
- "re-started bus-errors arbit-lost "
- "error-warn error-pass bus-off");
- fprintf(f, "\n %-10d %-10d %-10d %-10d %-10d %-10d",
- stats->restarts, stats->bus_error,
- stats->arbitration_lost, stats->error_warning,
- stats->error_passive, stats->bus_off);
+
+ if (is_json_context()) {
+ print_int(PRINT_JSON, "restarts",
+ NULL, stats->restarts);
+ print_int(PRINT_JSON, "bus_error",
+ NULL, stats->bus_error);
+ print_int(PRINT_JSON, "arbitration_lost",
+ NULL, stats->arbitration_lost);
+ print_int(PRINT_JSON, "error_warning",
+ NULL, stats->error_warning);
+ print_int(PRINT_JSON, "error_passive",
+ NULL, stats->error_passive);
+ print_int(PRINT_JSON, "bus_off", NULL, stats->bus_off);
+ } else {
+ fprintf(f, "\n re-started bus-errors arbit-lost "
+ "error-warn error-pass bus-off");
+ fprintf(f, "\n %-10d %-10d %-10d %-10d %-10d %-10d",
+ stats->restarts, stats->bus_error,
+ stats->arbitration_lost, stats->error_warning,
+ stats->error_passive, stats->bus_off);
+ }
}
}
+static void can_print_help(struct link_util *lu, int argc, char **argv,
+ FILE *f)
+{
+ print_usage(f);
+}
+
struct link_util can_link_util = {
.id = "can",
.maxattr = IFLA_CAN_MAX,
.parse_opt = can_parse_opt,
.print_opt = can_print_opt,
.print_xstats = can_print_xstats,
+ .print_help = can_print_help,
};
projects / mirror_iproute2.git / blobdiff