X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=tc%2Fq_tbf.c;fp=tc%2Fq_tbf.c;h=0000000000000000000000000000000000000000;hp=6ed5e0bd8032c724437abda705750f620bb078a3;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994 diff --git a/tc/q_tbf.c b/tc/q_tbf.c deleted file mode 100644 index 6ed5e0b..0000000 --- a/tc/q_tbf.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * q_tbf.c TBF. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * Authors: Alexey Kuznetsov, - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "utils.h" -#include "tc_util.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 ]\n"); -} - -static void explain1(char *arg) -{ - fprintf(stderr, "Illegal \"%s\"\n", arg); -} - - -#define usage() return(-1) - -static int tbf_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) -{ - 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; - struct rtattr *tail; - - memset(&opt, 0, sizeof(opt)); - - while (argc > 0) { - if (matches(*argv, "limit") == 0) { - NEXT_ARG(); - if (opt.limit || latency) { - fprintf(stderr, "Double \"limit/latency\" spec\n"); - return -1; - } - if (get_size(&opt.limit, *argv)) { - explain1("limit"); - return -1; - } - ok++; - } else if (matches(*argv, "latency") == 0) { - NEXT_ARG(); - if (opt.limit || latency) { - fprintf(stderr, "Double \"limit/latency\" spec\n"); - return -1; - } - if (get_usecs(&latency, *argv)) { - explain1("latency"); - return -1; - } - ok++; - } else if (matches(*argv, "burst") == 0 || - strcmp(*argv, "buffer") == 0 || - strcmp(*argv, "maxburst") == 0) { - NEXT_ARG(); - if (buffer) { - fprintf(stderr, "Double \"buffer/burst\" spec\n"); - return -1; - } - if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) { - explain1("buffer"); - return -1; - } - ok++; - } else if (strcmp(*argv, "mtu") == 0 || - strcmp(*argv, "minburst") == 0) { - NEXT_ARG(); - if (mtu) { - fprintf(stderr, "Double \"mtu/minburst\" spec\n"); - return -1; - } - if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) { - explain1("mtu"); - return -1; - } - ok++; - } else if (strcmp(*argv, "mpu") == 0) { - NEXT_ARG(); - if (mpu) { - fprintf(stderr, "Double \"mpu\" spec\n"); - return -1; - } - if (get_size(&mpu, *argv)) { - explain1("mpu"); - return -1; - } - ok++; - } else if (strcmp(*argv, "rate") == 0) { - NEXT_ARG(); - if (opt.rate.rate) { - fprintf(stderr, "Double \"rate\" spec\n"); - return -1; - } - if (get_rate(&opt.rate.rate, *argv)) { - explain1("rate"); - return -1; - } - ok++; - } else if (matches(*argv, "peakrate") == 0) { - NEXT_ARG(); - if (opt.peakrate.rate) { - fprintf(stderr, "Double \"peakrate\" spec\n"); - return -1; - } - if (get_rate(&opt.peakrate.rate, *argv)) { - explain1("peakrate"); - return -1; - } - ok++; - } else if (strcmp(*argv, "help") == 0) { - explain(); - return -1; - } else { - fprintf(stderr, "What is \"%s\"?\n", *argv); - explain(); - return -1; - } - argc--; argv++; - } - - if (!ok) - return 0; - - if (opt.rate.rate == 0 || !buffer) { - fprintf(stderr, "Both \"rate\" and \"burst\" are required.\n"); - return -1; - } - if (opt.peakrate.rate) { - if (!mtu) { - fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n"); - return -1; - } - } - - if (opt.limit == 0 && latency == 0) { - fprintf(stderr, "Either \"limit\" or \"latency\" are required.\n"); - return -1; - } - - if (opt.limit == 0) { - double lim = opt.rate.rate*(double)latency/1000000 + buffer; - if (opt.peakrate.rate) { - double lim2 = opt.peakrate.rate*(double)latency/1000000 + mtu; - if (lim2 < lim) - lim = lim2; - } - opt.limit = lim; - } - - if ((Rcell_log = tc_calc_rtable(opt.rate.rate, rtab, Rcell_log, mtu, mpu)) < 0) { - fprintf(stderr, "TBF: failed to calculate rate table.\n"); - return -1; - } - opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer); - opt.rate.cell_log = Rcell_log; - opt.rate.mpu = mpu; - if (opt.peakrate.rate) { - if ((Pcell_log = tc_calc_rtable(opt.peakrate.rate, ptab, Pcell_log, mtu, mpu)) < 0) { - fprintf(stderr, "TBF: failed to calculate peak rate table.\n"); - return -1; - } - opt.mtu = tc_calc_xmittime(opt.peakrate.rate, mtu); - opt.peakrate.cell_log = Pcell_log; - opt.peakrate.mpu = mpu; - } - - tail = NLMSG_TAIL(n); - addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); - addattr_l(n, 2024, TCA_TBF_PARMS, &opt, sizeof(opt)); - addattr_l(n, 3024, TCA_TBF_RTAB, rtab, 1024); - if (opt.peakrate.rate) - addattr_l(n, 4096, TCA_TBF_PTAB, ptab, 1024); - tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; - 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 = ((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<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<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; -} - -struct qdisc_util tbf_qdisc_util = { - .id = "tbf", - .parse_qopt = tbf_parse_opt, - .print_qopt = tbf_print_opt, -}; -