static int dsmark_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n)
{
struct rtattr *tail;
__u8 tmp;
char *end;
tail = NLMSG_TAIL(n);
addattr_l(n,1024,TCA_OPTIONS,NULL,0);
while (argc > 0) {
if (!strcmp(*argv,"mask")) {
NEXT_ARG();
tmp = strtoul(*argv,&end,0);
if (*end) {
explain_class();
return -1;
}
addattr_l(n,1024,TCA_DSMARK_MASK,&tmp,1);
}
else if (!strcmp(*argv,"value")) {
NEXT_ARG();
tmp = strtoul(*argv,&end,0);
if (*end) {
explain_class();
return -1;
}
addattr_l(n,1024,TCA_DSMARK_VALUE,&tmp,1);
}
else {
explain_class();
return -1;
}
argc--;
argv++;
}
tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
return 0;
}
static int qfq_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n)
{
struct rtattr *tail;
__u32 tmp;
tail = NLMSG_TAIL(n);
addattr_l(n, 4096, TCA_OPTIONS, NULL, 0);
while (argc > 0) {
if (matches(*argv, "weight") == 0) {
NEXT_ARG();
if (get_u32(&tmp, *argv, 10)) {
explain1("weight"); return -1;
}
addattr32(n, 4096, TCA_QFQ_WEIGHT, tmp);
} else if (matches(*argv, "maxpkt") == 0) {
NEXT_ARG();
if (get_u32(&tmp, *argv, 10)) {
explain1("maxpkt"); return -1;
}
addattr32(n, 4096, TCA_QFQ_LMAX, tmp);
} else if (strcmp(*argv, "help") == 0) {
explain_class();
return -1;
} else {
fprintf(stderr, "What is \"%s\"?\n", *argv);
explain_class();
return -1;
}
argc--; argv++;
}
tail->rta_len = (void *)NLMSG_TAIL(n) - (void *)tail;
return 0;
}
static int
hfsc_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n, const char *dev)
{
struct tc_service_curve rsc = {}, fsc = {}, usc = {};
int rsc_ok = 0, fsc_ok = 0, usc_ok = 0;
struct rtattr *tail;
while (argc > 0) {
if (matches(*argv, "rt") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &rsc, dev) < 0) {
explain1("rt");
return -1;
}
rsc_ok = 1;
} else if (matches(*argv, "ls") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &fsc, dev) < 0) {
explain1("ls");
return -1;
}
fsc_ok = 1;
} else if (matches(*argv, "sc") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &rsc, dev) < 0) {
explain1("sc");
return -1;
}
memcpy(&fsc, &rsc, sizeof(fsc));
rsc_ok = 1;
fsc_ok = 1;
} else if (matches(*argv, "ul") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &usc, dev) < 0) {
explain1("ul");
return -1;
}
usc_ok = 1;
} else if (matches(*argv, "help") == 0) {
explain_class();
return -1;
} else {
fprintf(stderr, "HFSC: What is \"%s\" ?\n", *argv);
explain_class();
return -1;
}
argc--, argv++;
}
if (!(rsc_ok || fsc_ok || usc_ok)) {
fprintf(stderr, "HFSC: no parameters given\n");
explain_class();
return -1;
}
if (usc_ok && !fsc_ok) {
fprintf(stderr, "HFSC: Upper-limit Service Curve without Link-Share Service Curve\n");
explain_class();
return -1;
}
tail = addattr_nest(n, 1024, TCA_OPTIONS);
if (rsc_ok)
addattr_l(n, 1024, TCA_HFSC_RSC, &rsc, sizeof(rsc));
if (fsc_ok)
addattr_l(n, 1024, TCA_HFSC_FSC, &fsc, sizeof(fsc));
if (usc_ok)
addattr_l(n, 1024, TCA_HFSC_USC, &usc, sizeof(usc));
addattr_nest_end(n, tail);
return 0;
}
static int
hfsc_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n)
{
struct tc_service_curve rsc, fsc, usc;
int rsc_ok, fsc_ok, usc_ok;
struct rtattr *tail;
memset(&rsc, 0, sizeof(rsc));
memset(&fsc, 0, sizeof(fsc));
memset(&usc, 0, sizeof(usc));
rsc_ok = fsc_ok = usc_ok = 0;
while (argc > 0) {
if (matches(*argv, "rt") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &rsc) < 0) {
explain1("rt");
return -1;
}
rsc_ok = 1;
} else if (matches(*argv, "ls") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &fsc) < 0) {
explain1("ls");
return -1;
}
fsc_ok = 1;
} else if (matches(*argv, "sc") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &rsc) < 0) {
explain1("sc");
return -1;
}
memcpy(&fsc, &rsc, sizeof(fsc));
rsc_ok = 1;
fsc_ok = 1;
} else if (matches(*argv, "ul") == 0) {
NEXT_ARG();
if (hfsc_get_sc(&argc, &argv, &usc) < 0) {
explain1("ul");
return -1;
}
usc_ok = 1;
} else if (matches(*argv, "help") == 0) {
explain_class();
return -1;
} else {
fprintf(stderr, "HFSC: What is \"%s\" ?\n", *argv);
explain_class();
return -1;
}
argc--, argv++;
}
if (!(rsc_ok || fsc_ok || usc_ok)) {
fprintf(stderr, "HFSC: no parameters given\n");
explain_class();
return -1;
}
if (usc_ok && !fsc_ok) {
fprintf(stderr, "HFSC: Upper-limit Service Curve without "
"Link-Share Service Curve\n");
explain_class();
return -1;
}
tail = NLMSG_TAIL(n);
addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
if (rsc_ok)
addattr_l(n, 1024, TCA_HFSC_RSC, &rsc, sizeof(rsc));
if (fsc_ok)
addattr_l(n, 1024, TCA_HFSC_FSC, &fsc, sizeof(fsc));
if (usc_ok)
addattr_l(n, 1024, TCA_HFSC_USC, &usc, sizeof(usc));
tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
return 0;
}
static int cbq_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
{
int wrr_ok=0, fopt_ok=0;
struct tc_ratespec r;
struct tc_cbq_lssopt lss;
struct tc_cbq_wrropt wrr;
struct tc_cbq_fopt fopt;
struct tc_cbq_ovl ovl;
__u32 rtab[256];
unsigned mpu=0;
int cell_log=-1;
int ewma_log=-1;
unsigned bndw = 0;
unsigned minburst=0, maxburst=0;
struct rtattr *tail;
memset(&r, 0, sizeof(r));
memset(&lss, 0, sizeof(lss));
memset(&wrr, 0, sizeof(wrr));
memset(&fopt, 0, sizeof(fopt));
memset(&ovl, 0, sizeof(ovl));
while (argc > 0) {
if (strcmp(*argv, "rate") == 0) {
NEXT_ARG();
if (get_rate(&r.rate, *argv)) {
explain1("rate");
return -1;
}
} else if (strcmp(*argv, "bandwidth") == 0) {
NEXT_ARG();
if (get_rate(&bndw, *argv)) {
explain1("bandwidth");
return -1;
}
} else if (strcmp(*argv, "minidle") == 0) {
NEXT_ARG();
if (get_u32(&lss.minidle, *argv, 0)) {
explain1("minidle");
return -1;
}
lss.change |= TCF_CBQ_LSS_MINIDLE;
} else if (strcmp(*argv, "minburst") == 0) {
NEXT_ARG();
if (get_u32(&minburst, *argv, 0)) {
explain1("minburst");
return -1;
}
lss.change |= TCF_CBQ_LSS_OFFTIME;
} else if (strcmp(*argv, "maxburst") == 0) {
NEXT_ARG();
if (get_u32(&maxburst, *argv, 0)) {
explain1("maxburst");
return -1;
}
lss.change |= TCF_CBQ_LSS_MAXIDLE;
} else if (strcmp(*argv, "bounded") == 0) {
lss.flags |= TCF_CBQ_LSS_BOUNDED;
lss.change |= TCF_CBQ_LSS_FLAGS;
} else if (strcmp(*argv, "borrow") == 0) {
lss.flags &= ~TCF_CBQ_LSS_BOUNDED;
lss.change |= TCF_CBQ_LSS_FLAGS;
} else if (strcmp(*argv, "isolated") == 0) {
lss.flags |= TCF_CBQ_LSS_ISOLATED;
lss.change |= TCF_CBQ_LSS_FLAGS;
} else if (strcmp(*argv, "sharing") == 0) {
lss.flags &= ~TCF_CBQ_LSS_ISOLATED;
lss.change |= TCF_CBQ_LSS_FLAGS;
} else if (strcmp(*argv, "ewma") == 0) {
NEXT_ARG();
if (get_u32(&ewma_log, *argv, 0)) {
explain1("ewma");
return -1;
}
if (ewma_log > 31) {
fprintf(stderr, "ewma_log must be < 32\n");
return -1;
}
lss.change |= TCF_CBQ_LSS_EWMA;
} else if (strcmp(*argv, "cell") == 0) {
unsigned cell;
int i;
NEXT_ARG();
if (get_size(&cell, *argv)) {
explain1("cell");
return -1;
}
for (i=0; i<32; i++)
if ((1<<i) == cell)
break;
if (i>=32) {
fprintf(stderr, "cell must be 2^n\n");
return -1;
}
cell_log = i;
} else if (strcmp(*argv, "prio") == 0) {
unsigned prio;
NEXT_ARG();
if (get_u32(&prio, *argv, 0)) {
explain1("prio");
return -1;
}
if (prio > TC_CBQ_MAXPRIO) {
fprintf(stderr, "\"prio\" must be number in the range 1...%d\n", TC_CBQ_MAXPRIO);
return -1;
}
wrr.priority = prio;
wrr_ok++;
} else if (strcmp(*argv, "allot") == 0) {
NEXT_ARG();
if (get_size(&wrr.allot, *argv)) {
explain1("allot");
return -1;
}
} else if (strcmp(*argv, "avpkt") == 0) {
NEXT_ARG();
if (get_size(&lss.avpkt, *argv)) {
explain1("avpkt");
return -1;
}
lss.change |= TCF_CBQ_LSS_AVPKT;
} else if (strcmp(*argv, "mpu") == 0) {
NEXT_ARG();
if (get_size(&mpu, *argv)) {
explain1("mpu");
return -1;
}
} else if (strcmp(*argv, "weight") == 0) {
NEXT_ARG();
if (get_size(&wrr.weight, *argv)) {
explain1("weight");
return -1;
}
wrr_ok++;
} else if (strcmp(*argv, "split") == 0) {
NEXT_ARG();
if (get_tc_classid(&fopt.split, *argv)) {
fprintf(stderr, "Invalid split node ID.\n");
usage();
}
fopt_ok++;
} else if (strcmp(*argv, "defmap") == 0) {
int err;
NEXT_ARG();
err = sscanf(*argv, "%08x/%08x", &fopt.defmap, &fopt.defchange);
if (err < 1) {
fprintf(stderr, "Invalid defmap, should be MASK32[/MASK]\n");
return -1;
}
if (err == 1)
fopt.defchange = ~0;
fopt_ok++;
} else if (strcmp(*argv, "help") == 0) {
explain_class();
return -1;
} else {
fprintf(stderr, "What is \"%s\"?\n", *argv);
explain_class();
return -1;
}
argc--; argv++;
}
/* OK. All options are parsed. */
/* 1. Prepare link sharing scheduler parameters */
if (r.rate) {
unsigned pktsize = wrr.allot;
if (wrr.allot < (lss.avpkt*3)/2)
wrr.allot = (lss.avpkt*3)/2;
if ((cell_log = tc_calc_rtable(r.rate, rtab, cell_log, pktsize, mpu)) < 0) {
fprintf(stderr, "CBQ: failed to calculate rate table.\n");
return -1;
}
r.cell_log = cell_log;
r.mpu = mpu;
}
if (ewma_log < 0)
ewma_log = TC_CBQ_DEF_EWMA;
lss.ewma_log = ewma_log;
if (lss.change&(TCF_CBQ_LSS_OFFTIME|TCF_CBQ_LSS_MAXIDLE)) {
if (lss.avpkt == 0) {
fprintf(stderr, "CBQ: avpkt is required for max/minburst.\n");
return -1;
}
if (bndw==0 || r.rate == 0) {
fprintf(stderr, "CBQ: bandwidth&rate are required for max/minburst.\n");
return -1;
}
}
if (wrr.priority == 0 && (n->nlmsg_flags&NLM_F_EXCL)) {
wrr_ok = 1;
wrr.priority = TC_CBQ_MAXPRIO;
if (wrr.allot == 0)
wrr.allot = (lss.avpkt*3)/2;
}
if (wrr_ok) {
if (wrr.weight == 0)
wrr.weight = (wrr.priority == TC_CBQ_MAXPRIO) ? 1 : r.rate;
if (wrr.allot == 0) {
fprintf(stderr, "CBQ: \"allot\" is required to set WRR parameters.\n");
return -1;
}
}
if (lss.change&TCF_CBQ_LSS_MAXIDLE) {
lss.maxidle = tc_cbq_calc_maxidle(bndw, r.rate, lss.avpkt, ewma_log, maxburst);
lss.change |= TCF_CBQ_LSS_MAXIDLE;
lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT;
}
if (lss.change&TCF_CBQ_LSS_OFFTIME) {
lss.offtime = tc_cbq_calc_offtime(bndw, r.rate, lss.avpkt, ewma_log, minburst);
lss.change |= TCF_CBQ_LSS_OFFTIME;
lss.change |= TCF_CBQ_LSS_EWMA|TCF_CBQ_LSS_AVPKT;
}
if (lss.change&TCF_CBQ_LSS_MINIDLE) {
lss.minidle <<= lss.ewma_log;
lss.change |= TCF_CBQ_LSS_EWMA;
}
tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
if (lss.change) {
lss.change |= TCF_CBQ_LSS_FLAGS;
addattr_l(n, 1024, TCA_CBQ_LSSOPT, &lss, sizeof(lss));
}
if (wrr_ok)
addattr_l(n, 1024, TCA_CBQ_WRROPT, &wrr, sizeof(wrr));
if (fopt_ok)
addattr_l(n, 1024, TCA_CBQ_FOPT, &fopt, sizeof(fopt));
if (r.rate) {
addattr_l(n, 1024, TCA_CBQ_RATE, &r, sizeof(r));
addattr_l(n, 3024, TCA_CBQ_RTAB, rtab, 1024);
if (show_raw) {
int i;
for (i=0; i<256; i++)
printf("%u ", rtab[i]);
printf("\n");
}
}
tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail;
return 0;
}
