static int tbf_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_TBF_PTAB+1];
struct tc_tbf_qopt *qopt;
double buffer, mtu;
double latency;
SPRINT_BUF(b1);
SPRINT_BUF(b2);
if (opt == NULL)
return 0;
memset(tb, 0, sizeof(tb));
parse_rtattr(tb, TCA_TBF_PTAB, RTA_DATA(opt), RTA_PAYLOAD(opt));
if (tb[TCA_TBF_PARMS] == NULL)
return -1;
qopt = RTA_DATA(tb[TCA_TBF_PARMS]);
if (RTA_PAYLOAD(tb[TCA_TBF_PARMS]) < sizeof(*qopt))
return -1;
fprintf(f, "rate %s ", sprint_rate(qopt->rate.rate, b1));
buffer = ((double)qopt->rate.rate*tc_core_tick2usec(qopt->buffer))/1000000;
if (show_details) {
fprintf(f, "burst %s/%u mpu %s ", sprint_size(buffer, b1),
1<<qopt->rate.cell_log, sprint_size(qopt->rate.mpu, b2));
} else {
fprintf(f, "burst %s ", sprint_size(buffer, b1));
}
if (show_raw)
fprintf(f, "[%08x] ", qopt->buffer);
if (qopt->peakrate.rate) {
fprintf(f, "peakrate %s ", sprint_rate(qopt->peakrate.rate, b1));
if (qopt->mtu || qopt->peakrate.mpu) {
mtu = ((double)qopt->peakrate.rate*tc_core_tick2usec(qopt->mtu))/1000000;
if (show_details) {
fprintf(f, "mtu %s/%u mpu %s ", sprint_size(mtu, b1),
1<<qopt->peakrate.cell_log, sprint_size(qopt->peakrate.mpu, b2));
} else {
fprintf(f, "minburst %s ", sprint_size(mtu, b1));
}
if (show_raw)
fprintf(f, "[%08x] ", qopt->mtu);
}
}
if (show_raw)
fprintf(f, "limit %s ", sprint_size(qopt->limit, b1));
latency = 1000000*(qopt->limit/(double)qopt->rate.rate) - tc_core_tick2usec(qopt->buffer);
if (qopt->peakrate.rate) {
double lat2 = 1000000*(qopt->limit/(double)qopt->peakrate.rate) - tc_core_tick2usec(qopt->mtu);
if (lat2 > latency)
latency = lat2;
}
fprintf(f, "lat %s ", sprint_usecs(tc_core_tick2usec(latency), b1));
return 0;
}
static int tbf_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_TBF_PTAB+1];
struct tc_tbf_qopt *qopt;
double buffer, mtu;
double latency;
SPRINT_BUF(b1);
SPRINT_BUF(b2);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_TBF_PTAB, opt);
if (tb[TCA_TBF_PARMS] == NULL)
return -1;
qopt = RTA_DATA(tb[TCA_TBF_PARMS]);
if (RTA_PAYLOAD(tb[TCA_TBF_PARMS]) < sizeof(*qopt))
return -1;
fprintf(f, "rate %s ", sprint_rate(qopt->rate.rate, b1));
buffer = tc_calc_xmitsize(qopt->rate.rate, qopt->buffer);
if (show_details) {
fprintf(f, "burst %s/%u mpu %s ", sprint_size(buffer, b1),
1<<qopt->rate.cell_log, sprint_size(qopt->rate.mpu, b2));
} else {
fprintf(f, "burst %s ", sprint_size(buffer, b1));
}
if (show_raw)
fprintf(f, "[%08x] ", qopt->buffer);
if (qopt->peakrate.rate) {
fprintf(f, "peakrate %s ", sprint_rate(qopt->peakrate.rate, b1));
if (qopt->mtu || qopt->peakrate.mpu) {
mtu = tc_calc_xmitsize(qopt->peakrate.rate, qopt->mtu);
if (show_details) {
fprintf(f, "mtu %s/%u mpu %s ", sprint_size(mtu, b1),
1<<qopt->peakrate.cell_log, sprint_size(qopt->peakrate.mpu, b2));
} else {
fprintf(f, "minburst %s ", sprint_size(mtu, b1));
}
if (show_raw)
fprintf(f, "[%08x] ", qopt->mtu);
}
}
if (show_raw)
fprintf(f, "limit %s ", sprint_size(qopt->limit, b1));
latency = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->rate.rate) - tc_core_tick2time(qopt->buffer);
if (qopt->peakrate.rate) {
double lat2 = TIME_UNITS_PER_SEC*(qopt->limit/(double)qopt->peakrate.rate) - tc_core_tick2time(qopt->mtu);
if (lat2 > latency)
latency = lat2;
}
fprintf(f, "lat %s ", sprint_time(latency, b1));
return 0;
}
static void
hfsc_print_sc(FILE *f, char *name, struct tc_service_curve *sc)
{
SPRINT_BUF(b1);
fprintf(f, "%s ", name);
fprintf(f, "m1 %s ", sprint_rate(sc->m1, b1));
fprintf(f, "d %s ", sprint_time(tc_core_ktime2time(sc->d), b1));
fprintf(f, "m2 %s ", sprint_rate(sc->m2, b1));
}
int
print_police(struct action_util *a, FILE *f, struct rtattr *arg)
{
SPRINT_BUF(b1);
SPRINT_BUF(b2);
struct tc_police *p;
struct rtattr *tb[TCA_POLICE_MAX+1];
unsigned buffer;
unsigned int linklayer;
if (arg == NULL)
return 0;
parse_rtattr_nested(tb, TCA_POLICE_MAX, arg);
if (tb[TCA_POLICE_TBF] == NULL) {
fprintf(f, "[NULL police tbf]");
return 0;
}
#ifndef STOOPID_8BYTE
if (RTA_PAYLOAD(tb[TCA_POLICE_TBF]) < sizeof(*p)) {
fprintf(f, "[truncated police tbf]");
return -1;
}
#endif
p = RTA_DATA(tb[TCA_POLICE_TBF]);
fprintf(f, " police 0x%x ", p->index);
fprintf(f, "rate %s ", sprint_rate(p->rate.rate, b1));
buffer = tc_calc_xmitsize(p->rate.rate, p->burst);
fprintf(f, "burst %s ", sprint_size(buffer, b1));
fprintf(f, "mtu %s ", sprint_size(p->mtu, b1));
if (show_raw)
fprintf(f, "[%08x] ", p->burst);
if (p->peakrate.rate)
fprintf(f, "peakrate %s ", sprint_rate(p->peakrate.rate, b1));
if (tb[TCA_POLICE_AVRATE])
fprintf(f, "avrate %s ", sprint_rate(rta_getattr_u32(tb[TCA_POLICE_AVRATE]), b1));
fprintf(f, "action %s", police_action_n2a(p->action, b1, sizeof(b1)));
if (tb[TCA_POLICE_RESULT]) {
fprintf(f, "/%s ", police_action_n2a(*(int*)RTA_DATA(tb[TCA_POLICE_RESULT]), b1, sizeof(b1)));
} else
fprintf(f, " ");
fprintf(f, "overhead %ub ", p->rate.overhead);
linklayer = (p->rate.linklayer & TC_LINKLAYER_MASK);
if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b2));
fprintf(f, "\nref %d bind %d\n",p->refcnt, p->bindcnt);
return 0;
}
static int htb_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_HTB_RTAB+1];
struct tc_htb_opt *hopt;
struct tc_htb_glob *gopt;
double buffer,cbuffer;
SPRINT_BUF(b1);
SPRINT_BUF(b2);
SPRINT_BUF(b3);
if (opt == NULL)
return 0;
memset(tb, 0, sizeof(tb));
parse_rtattr(tb, TCA_HTB_RTAB, RTA_DATA(opt), RTA_PAYLOAD(opt));
if (tb[TCA_HTB_PARMS]) {
hopt = RTA_DATA(tb[TCA_HTB_PARMS]);
if (RTA_PAYLOAD(tb[TCA_HTB_PARMS]) < sizeof(*hopt)) return -1;
if (!hopt->level) {
fprintf(f, "prio %d ", (int)hopt->prio);
if (show_details)
fprintf(f, "quantum %d ", (int)hopt->quantum);
}
fprintf(f, "rate %s ", sprint_rate(hopt->rate.rate, b1));
buffer = ((double)hopt->rate.rate*tc_core_tick2usec(hopt->buffer))/1000000;
fprintf(f, "ceil %s ", sprint_rate(hopt->ceil.rate, b1));
cbuffer = ((double)hopt->ceil.rate*tc_core_tick2usec(hopt->cbuffer))/1000000;
if (show_details) {
fprintf(f, "burst %s/%u mpu %s overhead %s ",
sprint_size(buffer, b1),
1<<hopt->rate.cell_log,
sprint_size(hopt->rate.mpu&0xFF, b2),
sprint_size((hopt->rate.mpu>>8)&0xFF, b3));
fprintf(f, "cburst %s/%u mpu %s overhead %s ",
sprint_size(cbuffer, b1),
1<<hopt->ceil.cell_log,
sprint_size(hopt->ceil.mpu&0xFF, b2),
sprint_size((hopt->ceil.mpu>>8)&0xFF, b3));
fprintf(f, "level %d ", (int)hopt->level);
} else {
fprintf(f, "burst %s ", sprint_size(buffer, b1));
fprintf(f, "cburst %s ", sprint_size(cbuffer, b1));
}
if (show_raw)
fprintf(f, "buffer [%08x] cbuffer [%08x] ",
hopt->buffer,hopt->cbuffer);
}
static int psp_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_PSP_MAX+1];
struct tc_psp_copt *copt;
struct tc_psp_qopt *qopt;
SPRINT_BUF(b);
if (opt == NULL)
return 0;
memset(tb, 0, sizeof(tb));
parse_rtattr_nested(tb, TCA_PSP_MAX, opt);
if (tb[TCA_PSP_COPT]) {
copt = RTA_DATA(tb[TCA_PSP_COPT]);
if (RTA_PAYLOAD(tb[TCA_PSP_COPT]) < sizeof(*copt))
return -1;
fprintf(f, "level %d ", (int)copt->level);
switch (copt->mode) {
case TC_PSP_MODE_NORMAL:
fprintf(f, "mode NORMAL ");
break;
case TC_PSP_MODE_STATIC:
fprintf(f, "mode STATIC (%s) ",
sprint_rate(copt->rate, b));
break;
}
}
if (tb[TCA_PSP_QOPT]) {
qopt = RTA_DATA(tb[TCA_PSP_QOPT]);
if (RTA_PAYLOAD(tb[TCA_PSP_QOPT]) < sizeof(*qopt))
return -1;
fprintf(f, "default %x direct pkts %u max rate %s ifg %u",
qopt->defcls, qopt->direct_pkts,
sprint_rate(qopt->rate, b), qopt->ifg);
}
return 0;
}
void print_tcstats(FILE *fp, struct tc_stats *st)
{
SPRINT_BUF(b1);
fprintf(fp, " Sent %llu bytes %u pkts (dropped %u, overlimits %u) ",
(unsigned long long)st->bytes, st->packets, st->drops, st->overlimits);
if (st->bps || st->pps || st->qlen || st->backlog) {
fprintf(fp, "\n ");
if (st->bps || st->pps) {
fprintf(fp, "rate ");
if (st->bps)
fprintf(fp, "%s ", sprint_rate(st->bps, b1));
if (st->pps)
fprintf(fp, "%upps ", st->pps);
}
if (st->qlen || st->backlog) {
fprintf(fp, "backlog ");
if (st->backlog)
fprintf(fp, "%s ", sprint_size(st->backlog, b1));
if (st->qlen)
fprintf(fp, "%up ", st->qlen);
}
}
}
static int fq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_FQ_MAX + 1];
unsigned int plimit, flow_plimit;
unsigned int buckets_log;
int pacing;
unsigned int rate, quantum;
unsigned int refill_delay;
unsigned int orphan_mask;
unsigned int ce_threshold;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_FQ_MAX, opt);
if (tb[TCA_FQ_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_PLIMIT]) >= sizeof(__u32)) {
plimit = rta_getattr_u32(tb[TCA_FQ_PLIMIT]);
fprintf(f, "limit %up ", plimit);
}
if (tb[TCA_FQ_FLOW_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_PLIMIT]) >= sizeof(__u32)) {
flow_plimit = rta_getattr_u32(tb[TCA_FQ_FLOW_PLIMIT]);
fprintf(f, "flow_limit %up ", flow_plimit);
}
if (tb[TCA_FQ_BUCKETS_LOG] &&
RTA_PAYLOAD(tb[TCA_FQ_BUCKETS_LOG]) >= sizeof(__u32)) {
buckets_log = rta_getattr_u32(tb[TCA_FQ_BUCKETS_LOG]);
fprintf(f, "buckets %u ", 1U << buckets_log);
}
if (tb[TCA_FQ_ORPHAN_MASK] &&
RTA_PAYLOAD(tb[TCA_FQ_ORPHAN_MASK]) >= sizeof(__u32)) {
orphan_mask = rta_getattr_u32(tb[TCA_FQ_ORPHAN_MASK]);
fprintf(f, "orphan_mask %u ", orphan_mask);
}
if (tb[TCA_FQ_RATE_ENABLE] &&
RTA_PAYLOAD(tb[TCA_FQ_RATE_ENABLE]) >= sizeof(int)) {
pacing = rta_getattr_u32(tb[TCA_FQ_RATE_ENABLE]);
if (pacing == 0)
fprintf(f, "nopacing ");
}
if (tb[TCA_FQ_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_QUANTUM]);
fprintf(f, "quantum %u ", quantum);
}
if (tb[TCA_FQ_INITIAL_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_INITIAL_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_INITIAL_QUANTUM]);
fprintf(f, "initial_quantum %u ", quantum);
}
if (tb[TCA_FQ_FLOW_MAX_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_MAX_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_FLOW_MAX_RATE]);
if (rate != ~0U)
fprintf(f, "maxrate %s ", sprint_rate(rate, b1));
}
if (tb[TCA_FQ_FLOW_DEFAULT_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_DEFAULT_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_FLOW_DEFAULT_RATE]);
if (rate != 0)
fprintf(f, "defrate %s ", sprint_rate(rate, b1));
}
if (tb[TCA_FQ_LOW_RATE_THRESHOLD] &&
RTA_PAYLOAD(tb[TCA_FQ_LOW_RATE_THRESHOLD]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_LOW_RATE_THRESHOLD]);
if (rate != 0)
fprintf(f, "low_rate_threshold %s ", sprint_rate(rate, b1));
}
if (tb[TCA_FQ_FLOW_REFILL_DELAY] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_REFILL_DELAY]) >= sizeof(__u32)) {
refill_delay = rta_getattr_u32(tb[TCA_FQ_FLOW_REFILL_DELAY]);
fprintf(f, "refill_delay %s ", sprint_time(refill_delay, b1));
}
if (tb[TCA_FQ_CE_THRESHOLD] &&
RTA_PAYLOAD(tb[TCA_FQ_CE_THRESHOLD]) >= sizeof(__u32)) {
ce_threshold = rta_getattr_u32(tb[TCA_FQ_CE_THRESHOLD]);
if (ce_threshold != ~0U)
fprintf(f, "ce_threshold %s ", sprint_time(ce_threshold, b1));
}
return 0;
}
static int fq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_FQ_MAX + 1];
unsigned int plimit, flow_plimit;
unsigned int buckets_log;
int pacing;
unsigned int rate, quantum;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_FQ_MAX, opt);
if (tb[TCA_FQ_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_PLIMIT]) >= sizeof(__u32)) {
plimit = rta_getattr_u32(tb[TCA_FQ_PLIMIT]);
fprintf(f, "limit %up ", plimit);
}
if (tb[TCA_FQ_FLOW_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_PLIMIT]) >= sizeof(__u32)) {
flow_plimit = rta_getattr_u32(tb[TCA_FQ_FLOW_PLIMIT]);
fprintf(f, "flow_limit %up ", flow_plimit);
}
if (tb[TCA_FQ_BUCKETS_LOG] &&
RTA_PAYLOAD(tb[TCA_FQ_BUCKETS_LOG]) >= sizeof(__u32)) {
buckets_log = rta_getattr_u32(tb[TCA_FQ_BUCKETS_LOG]);
fprintf(f, "buckets %u ", 1U << buckets_log);
}
if (tb[TCA_FQ_RATE_ENABLE] &&
RTA_PAYLOAD(tb[TCA_FQ_RATE_ENABLE]) >= sizeof(int)) {
pacing = rta_getattr_u32(tb[TCA_FQ_RATE_ENABLE]);
if (pacing == 0)
fprintf(f, "nopacing ");
}
if (tb[TCA_FQ_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_QUANTUM]);
fprintf(f, "quantum %u ", quantum);
}
if (tb[TCA_FQ_INITIAL_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_INITIAL_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_INITIAL_QUANTUM]);
fprintf(f, "initial_quantum %u ", quantum);
}
if (tb[TCA_FQ_FLOW_MAX_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_MAX_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_FLOW_MAX_RATE]);
if (rate != ~0U)
fprintf(f, "maxrate %s ", sprint_rate(rate, b1));
}
if (tb[TCA_FQ_FLOW_DEFAULT_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_FLOW_DEFAULT_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_FLOW_DEFAULT_RATE]);
if (rate != 0)
fprintf(f, "defrate %s ", sprint_rate(rate, b1));
}
return 0;
}
static int netem_parse_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n)
{
int dist_size = 0;
struct rtattr *tail;
struct tc_netem_qopt opt = { .limit = 1000 };
struct tc_netem_corr cor;
struct tc_netem_reorder reorder;
struct tc_netem_corrupt corrupt;
struct tc_netem_gimodel gimodel;
struct tc_netem_gemodel gemodel;
struct tc_netem_rate rate;
__s16 *dist_data = NULL;
__u16 loss_type = NETEM_LOSS_UNSPEC;
int present[__TCA_NETEM_MAX];
__u64 rate64 = 0;
memset(&cor, 0, sizeof(cor));
memset(&reorder, 0, sizeof(reorder));
memset(&corrupt, 0, sizeof(corrupt));
memset(&rate, 0, sizeof(rate));
memset(present, 0, sizeof(present));
for( ; argc > 0; --argc, ++argv) {
if (matches(*argv, "limit") == 0) {
NEXT_ARG();
if (get_size(&opt.limit, *argv)) {
explain1("limit");
return -1;
}
} else if (matches(*argv, "latency") == 0 ||
matches(*argv, "delay") == 0) {
NEXT_ARG();
if (get_ticks(&opt.latency, *argv)) {
explain1("latency");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
if (get_ticks(&opt.jitter, *argv)) {
explain1("latency");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
++present[TCA_NETEM_CORR];
if (get_percent(&cor.delay_corr, *argv)) {
explain1("latency");
return -1;
}
}
}
} else if (matches(*argv, "loss") == 0 ||
matches(*argv, "drop") == 0) {
if (opt.loss > 0 || loss_type != NETEM_LOSS_UNSPEC) {
explain1("duplicate loss argument\n");
return -1;
}
NEXT_ARG();
/* Old (deprecated) random loss model syntax */
if (isdigit(argv[0][0]))
goto random_loss_model;
if (!strcmp(*argv, "random")) {
NEXT_ARG();
random_loss_model:
if (get_percent(&opt.loss, *argv)) {
explain1("loss percent");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
++present[TCA_NETEM_CORR];
if (get_percent(&cor.loss_corr, *argv)) {
explain1("loss correllation");
return -1;
}
}
} else if (!strcmp(*argv, "state")) {
double p13;
NEXT_ARG();
if (parse_percent(&p13, *argv)) {
explain1("loss p13");
return -1;
}
/* set defaults */
set_percent(&gimodel.p13, p13);
set_percent(&gimodel.p31, 1. - p13);
set_percent(&gimodel.p32, 0);
set_percent(&gimodel.p23, 1.);
set_percent(&gimodel.p14, 0);
loss_type = NETEM_LOSS_GI;
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gimodel.p31, *argv)) {
explain1("loss p31");
return -1;
}
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gimodel.p32, *argv)) {
explain1("loss p32");
return -1;
}
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gimodel.p23, *argv)) {
explain1("loss p23");
return -1;
}
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gimodel.p14, *argv)) {
explain1("loss p14");
return -1;
}
} else if (!strcmp(*argv, "gemodel")) {
NEXT_ARG();
if (get_percent(&gemodel.p, *argv)) {
explain1("loss gemodel p");
return -1;
}
/* set defaults */
set_percent(&gemodel.r, 1.);
set_percent(&gemodel.h, 0);
set_percent(&gemodel.k1, 0);
loss_type = NETEM_LOSS_GE;
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gemodel.r, *argv)) {
explain1("loss gemodel r");
return -1;
}
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gemodel.h, *argv)) {
explain1("loss gemodel h");
return -1;
}
/* netem option is "1-h" but kernel
* expects "h".
*/
gemodel.h = max_percent_value - gemodel.h;
if (!NEXT_IS_NUMBER())
continue;
NEXT_ARG();
if (get_percent(&gemodel.k1, *argv)) {
explain1("loss gemodel k");
return -1;
}
} else {
fprintf(stderr, "Unknown loss parameter: %s\n",
*argv);
return -1;
}
} else if (matches(*argv, "ecn") == 0) {
present[TCA_NETEM_ECN] = 1;
} else if (matches(*argv, "reorder") == 0) {
NEXT_ARG();
present[TCA_NETEM_REORDER] = 1;
if (get_percent(&reorder.probability, *argv)) {
explain1("reorder");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
++present[TCA_NETEM_CORR];
if (get_percent(&reorder.correlation, *argv)) {
explain1("reorder");
return -1;
}
}
} else if (matches(*argv, "corrupt") == 0) {
NEXT_ARG();
present[TCA_NETEM_CORRUPT] = 1;
if (get_percent(&corrupt.probability, *argv)) {
explain1("corrupt");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
++present[TCA_NETEM_CORR];
if (get_percent(&corrupt.correlation, *argv)) {
explain1("corrupt");
return -1;
}
}
} else if (matches(*argv, "gap") == 0) {
NEXT_ARG();
if (get_u32(&opt.gap, *argv, 0)) {
explain1("gap");
return -1;
}
} else if (matches(*argv, "duplicate") == 0) {
NEXT_ARG();
if (get_percent(&opt.duplicate, *argv)) {
explain1("duplicate");
return -1;
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
if (get_percent(&cor.dup_corr, *argv)) {
explain1("duplicate");
return -1;
}
}
} else if (matches(*argv, "distribution") == 0) {
NEXT_ARG();
dist_data = calloc(sizeof(dist_data[0]), MAX_DIST);
dist_size = get_distribution(*argv, dist_data, MAX_DIST);
if (dist_size <= 0) {
free(dist_data);
return -1;
}
} else if (matches(*argv, "rate") == 0) {
++present[TCA_NETEM_RATE];
NEXT_ARG();
if (get_rate64(&rate64, *argv)) {
explain1("rate");
return -1;
}
if (NEXT_IS_SIGNED_NUMBER()) {
NEXT_ARG();
if (get_s32(&rate.packet_overhead, *argv, 0)) {
explain1("rate");
return -1;
}
}
if (NEXT_IS_NUMBER()) {
NEXT_ARG();
if (get_u32(&rate.cell_size, *argv, 0)) {
explain1("rate");
return -1;
}
}
if (NEXT_IS_SIGNED_NUMBER()) {
NEXT_ARG();
if (get_s32(&rate.cell_overhead, *argv, 0)) {
explain1("rate");
return -1;
}
}
} else if (strcmp(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "What is \"%s\"?\n", *argv);
explain();
return -1;
}
}
tail = NLMSG_TAIL(n);
if (reorder.probability) {
if (opt.latency == 0) {
fprintf(stderr, "reordering not possible without specifying some delay\n");
explain();
return -1;
}
if (opt.gap == 0)
opt.gap = 1;
} else if (opt.gap > 0) {
fprintf(stderr, "gap specified without reorder probability\n");
explain();
return -1;
}
if (present[TCA_NETEM_ECN]) {
if (opt.loss <= 0 && loss_type == NETEM_LOSS_UNSPEC) {
fprintf(stderr, "ecn requested without loss model\n");
explain();
return -1;
}
}
if (dist_data && (opt.latency == 0 || opt.jitter == 0)) {
fprintf(stderr, "distribution specified but no latency and jitter values\n");
explain();
return -1;
}
if (addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)) < 0)
return -1;
if (present[TCA_NETEM_CORR] &&
addattr_l(n, 1024, TCA_NETEM_CORR, &cor, sizeof(cor)) < 0)
return -1;
if (present[TCA_NETEM_REORDER] &&
addattr_l(n, 1024, TCA_NETEM_REORDER, &reorder, sizeof(reorder)) < 0)
return -1;
if (present[TCA_NETEM_ECN] &&
addattr_l(n, 1024, TCA_NETEM_ECN, &present[TCA_NETEM_ECN],
sizeof(present[TCA_NETEM_ECN])) < 0)
return -1;
if (present[TCA_NETEM_CORRUPT] &&
addattr_l(n, 1024, TCA_NETEM_CORRUPT, &corrupt, sizeof(corrupt)) < 0)
return -1;
if (loss_type != NETEM_LOSS_UNSPEC) {
struct rtattr *start;
start = addattr_nest(n, 1024, TCA_NETEM_LOSS | NLA_F_NESTED);
if (loss_type == NETEM_LOSS_GI) {
if (addattr_l(n, 1024, NETEM_LOSS_GI,
&gimodel, sizeof(gimodel)) < 0)
return -1;
} else if (loss_type == NETEM_LOSS_GE) {
if (addattr_l(n, 1024, NETEM_LOSS_GE,
&gemodel, sizeof(gemodel)) < 0)
return -1;
} else {
fprintf(stderr, "loss in the weeds!\n");
return -1;
}
addattr_nest_end(n, start);
}
if (present[TCA_NETEM_RATE]) {
if (rate64 >= (1ULL << 32)) {
if (addattr_l(n, 1024,
TCA_NETEM_RATE64, &rate64, sizeof(rate64)) < 0)
return -1;
rate.rate = ~0U;
} else {
rate.rate = rate64;
}
if (addattr_l(n, 1024, TCA_NETEM_RATE, &rate, sizeof(rate)) < 0)
return -1;
}
if (dist_data) {
if (addattr_l(n, MAX_DIST * sizeof(dist_data[0]),
TCA_NETEM_DELAY_DIST,
dist_data, dist_size * sizeof(dist_data[0])) < 0)
return -1;
free(dist_data);
}
tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
return 0;
}
static int netem_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
const struct tc_netem_corr *cor = NULL;
const struct tc_netem_reorder *reorder = NULL;
const struct tc_netem_corrupt *corrupt = NULL;
const struct tc_netem_gimodel *gimodel = NULL;
const struct tc_netem_gemodel *gemodel = NULL;
int *ecn = NULL;
struct tc_netem_qopt qopt;
const struct tc_netem_rate *rate = NULL;
int len = RTA_PAYLOAD(opt) - sizeof(qopt);
__u64 rate64 = 0;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
if (len < 0) {
fprintf(stderr, "options size error\n");
return -1;
}
memcpy(&qopt, RTA_DATA(opt), sizeof(qopt));
if (len > 0) {
struct rtattr *tb[TCA_NETEM_MAX+1];
parse_rtattr(tb, TCA_NETEM_MAX, RTA_DATA(opt) + sizeof(qopt),
len);
if (tb[TCA_NETEM_CORR]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_CORR]) < sizeof(*cor))
return -1;
cor = RTA_DATA(tb[TCA_NETEM_CORR]);
}
if (tb[TCA_NETEM_REORDER]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_REORDER]) < sizeof(*reorder))
return -1;
reorder = RTA_DATA(tb[TCA_NETEM_REORDER]);
}
if (tb[TCA_NETEM_CORRUPT]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_CORRUPT]) < sizeof(*corrupt))
return -1;
corrupt = RTA_DATA(tb[TCA_NETEM_CORRUPT]);
}
if (tb[TCA_NETEM_LOSS]) {
struct rtattr *lb[NETEM_LOSS_MAX + 1];
parse_rtattr_nested(lb, NETEM_LOSS_MAX, tb[TCA_NETEM_LOSS]);
if (lb[NETEM_LOSS_GI])
gimodel = RTA_DATA(lb[NETEM_LOSS_GI]);
if (lb[NETEM_LOSS_GE])
gemodel = RTA_DATA(lb[NETEM_LOSS_GE]);
}
if (tb[TCA_NETEM_RATE]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_RATE]) < sizeof(*rate))
return -1;
rate = RTA_DATA(tb[TCA_NETEM_RATE]);
}
if (tb[TCA_NETEM_ECN]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_ECN]) < sizeof(*ecn))
return -1;
ecn = RTA_DATA(tb[TCA_NETEM_ECN]);
}
if (tb[TCA_NETEM_RATE64]) {
if (RTA_PAYLOAD(tb[TCA_NETEM_RATE64]) < sizeof(rate64))
return -1;
rate64 = rta_getattr_u64(tb[TCA_NETEM_RATE64]);
}
}
fprintf(f, "limit %d", qopt.limit);
if (qopt.latency) {
fprintf(f, " delay %s", sprint_ticks(qopt.latency, b1));
if (qopt.jitter) {
fprintf(f, " %s", sprint_ticks(qopt.jitter, b1));
if (cor && cor->delay_corr)
fprintf(f, " %s", sprint_percent(cor->delay_corr, b1));
}
}
if (qopt.loss) {
fprintf(f, " loss %s", sprint_percent(qopt.loss, b1));
if (cor && cor->loss_corr)
fprintf(f, " %s", sprint_percent(cor->loss_corr, b1));
}
if (gimodel) {
fprintf(f, " loss state p13 %s", sprint_percent(gimodel->p13, b1));
fprintf(f, " p31 %s", sprint_percent(gimodel->p31, b1));
fprintf(f, " p32 %s", sprint_percent(gimodel->p32, b1));
fprintf(f, " p23 %s", sprint_percent(gimodel->p23, b1));
fprintf(f, " p14 %s", sprint_percent(gimodel->p14, b1));
}
if (gemodel) {
fprintf(f, " loss gemodel p %s",
sprint_percent(gemodel->p, b1));
fprintf(f, " r %s", sprint_percent(gemodel->r, b1));
fprintf(f, " 1-h %s", sprint_percent(max_percent_value -
gemodel->h, b1));
fprintf(f, " 1-k %s", sprint_percent(gemodel->k1, b1));
}
if (qopt.duplicate) {
fprintf(f, " duplicate %s",
sprint_percent(qopt.duplicate, b1));
if (cor && cor->dup_corr)
fprintf(f, " %s", sprint_percent(cor->dup_corr, b1));
}
if (reorder && reorder->probability) {
fprintf(f, " reorder %s",
sprint_percent(reorder->probability, b1));
if (reorder->correlation)
fprintf(f, " %s",
sprint_percent(reorder->correlation, b1));
}
if (corrupt && corrupt->probability) {
fprintf(f, " corrupt %s",
sprint_percent(corrupt->probability, b1));
if (corrupt->correlation)
fprintf(f, " %s",
sprint_percent(corrupt->correlation, b1));
}
if (rate && rate->rate) {
if (rate64)
fprintf(f, " rate %s", sprint_rate(rate64, b1));
else
fprintf(f, " rate %s", sprint_rate(rate->rate, b1));
if (rate->packet_overhead)
fprintf(f, " packetoverhead %d", rate->packet_overhead);
if (rate->cell_size)
fprintf(f, " cellsize %u", rate->cell_size);
if (rate->cell_overhead)
fprintf(f, " celloverhead %d", rate->cell_overhead);
}
if (ecn)
fprintf(f, " ecn ");
if (qopt.gap)
fprintf(f, " gap %lu", (unsigned long)qopt.gap);
return 0;
}
struct qdisc_util netem_qdisc_util = {
.id = "netem",
.parse_qopt = netem_parse_opt,
.print_qopt = netem_print_opt,
};
static int cake_print_xstats(struct qdisc_util *qu, FILE *f,
struct rtattr *xstats)
{
/* fq_codel stats format borrowed */
struct tc_fq_codel_xstats *st;
struct tc_cake_old_xstats *stc;
SPRINT_BUF(b1);
if (xstats == NULL)
return 0;
if (RTA_PAYLOAD(xstats) < sizeof(st->type))
return -1;
st = RTA_DATA(xstats);
stc = RTA_DATA(xstats);
if (st->type == TCA_FQ_CODEL_XSTATS_QDISC && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
fprintf(f, " maxpacket %u drop_overlimit %u new_flow_count %u ecn_mark %u",
st->qdisc_stats.maxpacket,
st->qdisc_stats.drop_overlimit,
st->qdisc_stats.new_flow_count,
st->qdisc_stats.ecn_mark);
fprintf(f, "\n new_flows_len %u old_flows_len %u",
st->qdisc_stats.new_flows_len,
st->qdisc_stats.old_flows_len);
} else if (st->type == TCA_FQ_CODEL_XSTATS_CLASS && RTA_PAYLOAD(xstats) >= sizeof(*st)) {
fprintf(f, " deficit %d count %u lastcount %u ldelay %s",
st->class_stats.deficit,
st->class_stats.count,
st->class_stats.lastcount,
sprint_time(st->class_stats.ldelay, b1));
if (st->class_stats.dropping) {
fprintf(f, " dropping");
if (st->class_stats.drop_next < 0)
fprintf(f, " drop_next -%s",
sprint_time(-st->class_stats.drop_next, b1));
else
fprintf(f, " drop_next %s",
sprint_time(st->class_stats.drop_next, b1));
}
} else if (stc->type == 0xCAFE && RTA_PAYLOAD(xstats) >= sizeof(*stc)) {
int i;
fprintf(f, " ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, " Class %u ", i);
fprintf(f, "\n");
fprintf(f, " rate ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10s", sprint_rate(stc->cls[i].rate, b1));
fprintf(f, "\n");
fprintf(f, " target");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10s", sprint_time(stc->cls[i].target_us, b1));
fprintf(f, "\n");
fprintf(f, "interval");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10s", sprint_time(stc->cls[i].interval_us, b1));
fprintf(f, "\n");
fprintf(f, " pkts ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10u", stc->cls[i].packets);
fprintf(f, "\n");
fprintf(f, " bytes ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10llu", stc->cls[i].bytes);
fprintf(f, "\n");
fprintf(f, " drops ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10u", stc->cls[i].dropped);
fprintf(f, "\n");
fprintf(f, " marks ");
for(i=0; i < stc->class_cnt; i++)
fprintf(f, "%10u", stc->cls[i].ecn_marked);
} else {
return -1;
}
return 0;
}
static int cake_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_CAKE_MAX + 1];
unsigned bandwidth = 0;
unsigned diffserv = 0;
unsigned flowmode = 0;
int atm = -1;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_CAKE_MAX, opt);
if (tb[TCA_CAKE_BASE_RATE] &&
RTA_PAYLOAD(tb[TCA_CAKE_BASE_RATE]) >= sizeof(__u32)) {
bandwidth = rta_getattr_u32(tb[TCA_CAKE_BASE_RATE]);
if(bandwidth)
fprintf(f, "bandwidth %s ", sprint_rate(bandwidth, b1));
else
fprintf(f, "unlimited");
}
if (tb[TCA_CAKE_DIFFSERV_MODE] &&
RTA_PAYLOAD(tb[TCA_CAKE_DIFFSERV_MODE]) >= sizeof(__u32)) {
diffserv = rta_getattr_u32(tb[TCA_CAKE_DIFFSERV_MODE]);
switch(diffserv) {
case 1:
fprintf(f, "besteffort ");
break;
case 2:
fprintf(f, "precedence ");
break;
case 3:
fprintf(f, "diffserv ");
break;
default:
fprintf(f, "(?diffserv?) ");
break;
};
}
if (tb[TCA_CAKE_FLOW_MODE] &&
RTA_PAYLOAD(tb[TCA_CAKE_FLOW_MODE]) >= sizeof(__u32)) {
flowmode = rta_getattr_u32(tb[TCA_CAKE_FLOW_MODE]);
switch(flowmode) {
case 0:
fprintf(f, "flowblind ");
break;
case 1:
fprintf(f, "srchost ");
break;
case 2:
fprintf(f, "dsthost ");
break;
case 3:
fprintf(f, "hosts ");
break;
case 4:
fprintf(f, "flows ");
break;
default:
fprintf(f, "(?flowmode?) ");
break;
};
}
if (tb[TCA_CAKE_ATM] &&
RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) {
atm = rta_getattr_u32(tb[TCA_CAKE_ATM]);
if (atm)
fprintf(f, "atm ");
}
return 0;
}
static int fq_pie_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
struct rtattr *tb[TCA_FQ_PIE_MAX + 1];
unsigned int target;
unsigned int tupdate;
unsigned int alpha;
unsigned int beta;
unsigned ecn;
unsigned bytemode;
unsigned int plimit, flow_plimit;
unsigned int buckets_log;
int pacing;
unsigned int rate, quantum;
SPRINT_BUF(b1);
if (opt == NULL)
return 0;
parse_rtattr_nested(tb, TCA_FQ_PIE_MAX, opt);
if (tb[TCA_FQ_PIE_TARGET] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_TARGET]) >= sizeof(__u32)) {
target = rta_getattr_u32(tb[TCA_FQ_PIE_TARGET]);
fprintf(f, "target %s ", sprint_time(target, b1));
}
if (tb[TCA_FQ_PIE_TUPDATE] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_TUPDATE]) >= sizeof(__u32)) {
tupdate = rta_getattr_u32(tb[TCA_FQ_PIE_TUPDATE]);
fprintf(f, "tupdate %s ", sprint_time(tupdate, b1));
}
if (tb[TCA_FQ_PIE_ALPHA] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_ALPHA]) >= sizeof(__u32)) {
alpha = rta_getattr_u32(tb[TCA_FQ_PIE_ALPHA]);
fprintf(f, "alpha %u ", alpha);
}
if (tb[TCA_FQ_PIE_BETA] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_BETA]) >= sizeof(__u32)) {
beta = rta_getattr_u32(tb[TCA_FQ_PIE_BETA]);
fprintf(f, "beta %u ", beta);
}
if (tb[TCA_FQ_PIE_ECN] && RTA_PAYLOAD(tb[TCA_FQ_PIE_ECN]) >= sizeof(__u32)) {
ecn = rta_getattr_u32(tb[TCA_FQ_PIE_ECN]);
if (ecn)
fprintf(f, "ecn ");
}
if (tb[TCA_FQ_PIE_BYTEMODE] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_BYTEMODE]) >= sizeof(__u32)) {
bytemode = rta_getattr_u32(tb[TCA_FQ_PIE_BYTEMODE]);
if (bytemode)
fprintf(f, "bytemode ");
}
if (tb[TCA_FQ_PIE_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_PLIMIT]) >= sizeof(__u32)) {
plimit = rta_getattr_u32(tb[TCA_FQ_PIE_PLIMIT]);
fprintf(f, "limit %up ", plimit);
}
if (tb[TCA_FQ_PIE_FLOW_PLIMIT] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_FLOW_PLIMIT]) >= sizeof(__u32)) {
flow_plimit = rta_getattr_u32(tb[TCA_FQ_PIE_FLOW_PLIMIT]);
fprintf(f, "flow_limit %up ", flow_plimit);
}
if (tb[TCA_FQ_PIE_BUCKETS_LOG] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_BUCKETS_LOG]) >= sizeof(__u32)) {
buckets_log = rta_getattr_u32(tb[TCA_FQ_PIE_BUCKETS_LOG]);
fprintf(f, "buckets %u ", 1U << buckets_log);
}
if (tb[TCA_FQ_PIE_RATE_ENABLE] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_RATE_ENABLE]) >= sizeof(int)) {
pacing = rta_getattr_u32(tb[TCA_FQ_PIE_RATE_ENABLE]);
if (pacing == 0)
fprintf(f, "nopacing ");
}
if (tb[TCA_FQ_PIE_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_PIE_QUANTUM]);
fprintf(f, "quantum %u ", quantum);
}
if (tb[TCA_FQ_PIE_INITIAL_QUANTUM] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_INITIAL_QUANTUM]) >= sizeof(__u32)) {
quantum = rta_getattr_u32(tb[TCA_FQ_PIE_INITIAL_QUANTUM]);
fprintf(f, "initial_quantum %u ", quantum);
}
if (tb[TCA_FQ_PIE_FLOW_MAX_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_FLOW_MAX_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_PIE_FLOW_MAX_RATE]);
if (rate != ~0U)
fprintf(f, "maxrate %s ", sprint_rate(rate, b1));
}
if (tb[TCA_FQ_PIE_FLOW_DEFAULT_RATE] &&
RTA_PAYLOAD(tb[TCA_FQ_PIE_FLOW_DEFAULT_RATE]) >= sizeof(__u32)) {
rate = rta_getattr_u32(tb[TCA_FQ_PIE_FLOW_DEFAULT_RATE]);
if (rate != 0)
fprintf(f, "defrate %s ", sprint_rate(rate, b1));
}
return 0;
}
