#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-#include <syslog.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netinet/in.h>
static void explain(void)
{
- fprintf(stderr, "Usage: ... tbf limit BYTES burst BYTES[/BYTES] rate KBPS [ mtu BYTES[/BYTES] ]\n");
- fprintf(stderr, " [ peakrate KBPS ] [ latency TIME ] ");
- fprintf(stderr, "[ overhead BYTES ] [ linklayer TYPE ]\n");
+ fprintf(stderr,
+ "Usage: ... tbf limit BYTES burst BYTES[/BYTES] rate KBPS [ mtu BYTES[/BYTES] ]\n"
+ " [ peakrate KBPS ] [ latency TIME ] "
+ "[ overhead BYTES ] [ linklayer TYPE ]\n");
}
static void explain1(const char *arg, const char *val)
}
-static int tbf_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
+static int tbf_parse_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n, const char *dev)
{
- int ok=0;
- struct tc_tbf_qopt opt;
+ int ok = 0;
+ struct tc_tbf_qopt opt = {};
__u32 rtab[256];
__u32 ptab[256];
- unsigned buffer=0, mtu=0, mpu=0, latency=0;
- int Rcell_log=-1, Pcell_log = -1;
- unsigned short overhead=0;
+ unsigned buffer = 0, mtu = 0, mpu = 0, latency = 0;
+ int Rcell_log = -1, Pcell_log = -1;
+ unsigned short overhead = 0;
unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
struct rtattr *tail;
__u64 rate64 = 0, prate64 = 0;
- memset(&opt, 0, sizeof(opt));
-
while (argc > 0) {
if (matches(*argv, "limit") == 0) {
NEXT_ARG();
strcmp(*argv, "buffer") == 0 ||
strcmp(*argv, "maxburst") == 0) {
const char *parm_name = *argv;
+
NEXT_ARG();
if (buffer) {
fprintf(stderr, "tbf: duplicate \"buffer/burst/maxburst\" specification\n");
} else if (strcmp(*argv, "mtu") == 0 ||
strcmp(*argv, "minburst") == 0) {
const char *parm_name = *argv;
+
NEXT_ARG();
if (mtu) {
fprintf(stderr, "tbf: duplicate \"mtu/minburst\" specification\n");
fprintf(stderr, "tbf: duplicate \"rate\" specification\n");
return -1;
}
- if (get_rate64(&rate64, *argv)) {
+ if (strchr(*argv, '%')) {
+ if (get_percent_rate64(&rate64, *argv, dev)) {
+ explain1("rate", *argv);
+ return -1;
+ }
+ } else if (get_rate64(&rate64, *argv)) {
explain1("rate", *argv);
return -1;
}
fprintf(stderr, "tbf: duplicate \"peakrate\" specification\n");
return -1;
}
- if (get_rate64(&prate64, *argv)) {
+ if (strchr(*argv, '%')) {
+ if (get_percent_rate64(&prate64, *argv, dev)) {
+ explain1("peakrate", *argv);
+ return -1;
+ }
+ } else if (get_rate64(&prate64, *argv)) {
explain1("peakrate", *argv);
return -1;
}
argc--; argv++;
}
- int verdict = 0;
+ int verdict = 0;
- /* Be nice to the user: try to emit all error messages in
- * one go rather than reveal one more problem when a
- * previous one has been fixed.
- */
+ /* Be nice to the user: try to emit all error messages in
+ * one go rather than reveal one more problem when a
+ * previous one has been fixed.
+ */
if (rate64 == 0) {
fprintf(stderr, "tbf: the \"rate\" parameter is mandatory.\n");
verdict = -1;
verdict = -1;
}
- if (verdict != 0) {
- explain();
- return verdict;
- }
+ if (verdict != 0) {
+ explain();
+ return verdict;
+ }
opt.rate.rate = (rate64 >= (1ULL << 32)) ? ~0U : rate64;
opt.peakrate.rate = (prate64 >= (1ULL << 32)) ? ~0U : prate64;
if (opt.limit == 0) {
double lim = rate64*(double)latency/TIME_UNITS_PER_SEC + buffer;
+
if (prate64) {
double lim2 = prate64*(double)latency/TIME_UNITS_PER_SEC + mtu;
+
if (lim2 < lim)
lim = lim2;
}
opt.mtu = tc_calc_xmittime(opt.peakrate.rate, mtu);
}
- tail = NLMSG_TAIL(n);
- addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
+ tail = addattr_nest(n, 1024, TCA_OPTIONS);
addattr_l(n, 2024, TCA_TBF_PARMS, &opt, sizeof(opt));
addattr_l(n, 2124, TCA_TBF_BURST, &buffer, sizeof(buffer));
if (rate64 >= (1ULL << 32))
addattr_l(n, 3224, TCA_TBF_PBURST, &mtu, sizeof(mtu));
addattr_l(n, 4096, TCA_TBF_PTAB, ptab, 1024);
}
- tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ addattr_nest_end(n, tail);
return 0;
}
struct tc_tbf_qopt *qopt;
unsigned int linklayer;
double buffer, mtu;
- double latency;
+ double latency, lat2;
__u64 rate64 = 0, prate64 = 0;
+
SPRINT_BUF(b1);
SPRINT_BUF(b2);
SPRINT_BUF(b3);
if (tb[TCA_TBF_RATE64] &&
RTA_PAYLOAD(tb[TCA_TBF_RATE64]) >= sizeof(rate64))
rate64 = rta_getattr_u64(tb[TCA_TBF_RATE64]);
- fprintf(f, "rate %s ", sprint_rate(rate64, b1));
+ print_u64(PRINT_JSON, "rate", NULL, rate64);
+ print_string(PRINT_FP, NULL, "rate %s ", sprint_rate(rate64, b1));
buffer = tc_calc_xmitsize(rate64, 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));
+ sprintf(b1, "%s/%u", sprint_size(buffer, b2),
+ 1 << qopt->rate.cell_log);
+ print_string(PRINT_ANY, "burst", "burst %s ", b1);
+ print_uint(PRINT_JSON, "mpu", NULL, qopt->rate.mpu);
+ print_string(PRINT_FP, NULL, "mpu %s ",
+ sprint_size(qopt->rate.mpu, b1));
} else {
- fprintf(f, "burst %s ", sprint_size(buffer, b1));
+ print_u64(PRINT_JSON, "burst", NULL, buffer);
+ print_string(PRINT_FP, NULL, "burst %s ",
+ sprint_size(buffer, b1));
}
if (show_raw)
- fprintf(f, "[%08x] ", qopt->buffer);
+ print_hex(PRINT_ANY, "burst_raw", "[%08x] ", qopt->buffer);
prate64 = qopt->peakrate.rate;
if (tb[TCA_TBF_PRATE64] &&
RTA_PAYLOAD(tb[TCA_TBF_PRATE64]) >= sizeof(prate64))
prate64 = rta_getattr_u64(tb[TCA_TBF_PRATE64]);
if (prate64) {
- fprintf(f, "peakrate %s ", sprint_rate(prate64, b1));
+ print_u64(PRINT_JSON, "peakrate", NULL, prate64);
+ print_string(PRINT_FP, NULL, "peakrate %s ",
+ sprint_rate(prate64, b1));
if (qopt->mtu || qopt->peakrate.mpu) {
mtu = tc_calc_xmitsize(prate64, 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));
+ sprintf(b1, "%s/%u", sprint_size(mtu, b2),
+ 1 << qopt->peakrate.cell_log);
+ print_string(PRINT_ANY, "mtu", "mtu %s ", b1);
+ print_uint(PRINT_JSON, "mpu", NULL,
+ qopt->peakrate.mpu);
+ print_string(PRINT_FP, NULL, "mpu %s ",
+ sprint_size(qopt->peakrate.mpu,
+ b1));
} else {
- fprintf(f, "minburst %s ", sprint_size(mtu, b1));
+ print_u64(PRINT_JSON, "minburst", NULL, mtu);
+ print_string(PRINT_FP, NULL, "minburst %s ",
+ sprint_size(mtu, b1));
}
if (show_raw)
- fprintf(f, "[%08x] ", qopt->mtu);
+ print_hex(PRINT_ANY, "mtu_raw", "[%08x] ",
+ qopt->mtu);
}
}
- if (show_raw)
- fprintf(f, "limit %s ", sprint_size(qopt->limit, b1));
-
- latency = TIME_UNITS_PER_SEC*(qopt->limit/(double)rate64) - tc_core_tick2time(qopt->buffer);
+ latency = TIME_UNITS_PER_SEC * (qopt->limit / (double)rate64) -
+ tc_core_tick2time(qopt->buffer);
if (prate64) {
- double lat2 = TIME_UNITS_PER_SEC*(qopt->limit/(double)prate64) - tc_core_tick2time(qopt->mtu);
+ lat2 = TIME_UNITS_PER_SEC * (qopt->limit / (double)prate64) -
+ tc_core_tick2time(qopt->mtu);
+
if (lat2 > latency)
latency = lat2;
}
- fprintf(f, "lat %s ", sprint_time(latency, b1));
-
- if (qopt->rate.overhead) {
- fprintf(f, "overhead %d", qopt->rate.overhead);
+ if (latency >= 0.0) {
+ print_u64(PRINT_JSON, "lat", NULL, latency);
+ print_string(PRINT_FP, NULL, "lat %s ",
+ sprint_time(latency, b1));
+ }
+ if (show_raw || latency < 0.0) {
+ print_uint(PRINT_JSON, "limit", NULL, qopt->limit);
+ print_string(PRINT_FP, NULL, "limit %s ",
+ sprint_size(qopt->limit, b1));
}
+ if (qopt->rate.overhead)
+ print_int(PRINT_ANY, "overhead", "overhead %d ",
+ qopt->rate.overhead);
linklayer = (qopt->rate.linklayer & TC_LINKLAYER_MASK);
if (linklayer > TC_LINKLAYER_ETHERNET || show_details)
- fprintf(f, "linklayer %s ", sprint_linklayer(linklayer, b3));
+ print_string(PRINT_ANY, "linklayer", "linklayer %s ",
+ sprint_linklayer(linklayer, b3));
return 0;
}
.parse_qopt = tbf_parse_opt,
.print_qopt = tbf_print_opt,
};
-
projects / mirror_iproute2.git / blobdiff