X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=tc%2Fq_htb.c;fp=tc%2Fq_htb.c;h=0000000000000000000000000000000000000000;hp=828d4b1ae2b5d40b07728a46467002b57421ceed;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994 diff --git a/tc/q_htb.c b/tc/q_htb.c deleted file mode 100644 index 828d4b1..0000000 --- a/tc/q_htb.c +++ /dev/null @@ -1,330 +0,0 @@ -/* - * q_htb.c HTB. - * - * 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: Martin Devera, devik@cdi.cz - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "utils.h" -#include "tc_util.h" - -#define HTB_TC_VER 0x30003 -#if HTB_TC_VER >> 16 != TC_HTB_PROTOVER -#error "Different kernel and TC HTB versions" -#endif - -static void explain(void) -{ - fprintf(stderr, "Usage: ... qdisc add ... htb [default N] [r2q N]\n" - " default minor id of class to which unclassified packets are sent {0}\n" - " r2q DRR quantums are computed as rate in Bps/r2q {10}\n" - " debug string of 16 numbers each 0-3 {0}\n\n" - "... class add ... htb rate R1 [burst B1] [mpu B] [overhead O]\n" - " [prio P] [slot S] [pslot PS]\n" - " [ceil R2] [cburst B2] [mtu MTU] [quantum Q]\n" - " rate rate allocated to this class (class can still borrow)\n" - " burst max bytes burst which can be accumulated during idle period {computed}\n" - " mpu minimum packet size used in rate computations\n" - " overhead per-packet size overhead used in rate computations\n" - - " ceil definite upper class rate (no borrows) {rate}\n" - " cburst burst but for ceil {computed}\n" - " mtu max packet size we create rate map for {1600}\n" - " prio priority of leaf; lower are served first {0}\n" - " quantum how much bytes to serve from leaf at once {use r2q}\n" - "\nTC HTB version %d.%d\n",HTB_TC_VER>>16,HTB_TC_VER&0xffff - ); -} - -static void explain1(char *arg) -{ - fprintf(stderr, "Illegal \"%s\"\n", arg); - explain(); -} - - -#define usage() return(-1) - -static int htb_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) -{ - struct tc_htb_glob opt; - struct rtattr *tail; - unsigned i; char *p; - memset(&opt,0,sizeof(opt)); - opt.rate2quantum = 10; - opt.version = 3; - - while (argc > 0) { - if (matches(*argv, "r2q") == 0) { - NEXT_ARG(); - if (get_u32(&opt.rate2quantum, *argv, 10)) { - explain1("r2q"); return -1; - } - } else if (matches(*argv, "default") == 0) { - NEXT_ARG(); - if (get_u32(&opt.defcls, *argv, 16)) { - explain1("default"); return -1; - } - } else if (matches(*argv, "debug") == 0) { - NEXT_ARG(); p = *argv; - for (i=0; i<16; i++,p++) { - if (*p<'0' || *p>'3') break; - opt.debug |= (*p-'0')<<(2*i); - } - } else { - fprintf(stderr, "What is \"%s\"?\n", *argv); - explain(); - return -1; - } - argc--; argv++; - } - tail = NLMSG_TAIL(n); - addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); - addattr_l(n, 2024, TCA_HTB_INIT, &opt, NLMSG_ALIGN(sizeof(opt))); - tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; - return 0; -} - -static int htb_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n) -{ - int ok=0; - struct tc_htb_opt opt; - __u32 rtab[256],ctab[256]; - unsigned buffer=0,cbuffer=0; - int cell_log=-1,ccell_log = -1; - unsigned mtu, mpu; - unsigned char mpu8 = 0, overhead = 0; - struct rtattr *tail; - - memset(&opt, 0, sizeof(opt)); mtu = 1600; /* eth packet len */ - - while (argc > 0) { - if (matches(*argv, "prio") == 0) { - NEXT_ARG(); - if (get_u32(&opt.prio, *argv, 10)) { - explain1("prio"); return -1; - } - ok++; - } else if (matches(*argv, "mtu") == 0) { - NEXT_ARG(); - if (get_u32(&mtu, *argv, 10)) { - explain1("mtu"); return -1; - } - } else if (matches(*argv, "mpu") == 0) { - NEXT_ARG(); - if (get_u8(&mpu8, *argv, 10)) { - explain1("mpu"); return -1; - } - } else if (matches(*argv, "overhead") == 0) { - NEXT_ARG(); - if (get_u8(&overhead, *argv, 10)) { - explain1("overhead"); return -1; - } - } else if (matches(*argv, "quantum") == 0) { - NEXT_ARG(); - if (get_u32(&opt.quantum, *argv, 10)) { - explain1("quantum"); return -1; - } - } else if (matches(*argv, "burst") == 0 || - strcmp(*argv, "buffer") == 0 || - strcmp(*argv, "maxburst") == 0) { - NEXT_ARG(); - if (get_size_and_cell(&buffer, &cell_log, *argv) < 0) { - explain1("buffer"); - return -1; - } - ok++; - } else if (matches(*argv, "cburst") == 0 || - strcmp(*argv, "cbuffer") == 0 || - strcmp(*argv, "cmaxburst") == 0) { - NEXT_ARG(); - if (get_size_and_cell(&cbuffer, &ccell_log, *argv) < 0) { - explain1("cbuffer"); - return -1; - } - ok++; - } else if (strcmp(*argv, "ceil") == 0) { - NEXT_ARG(); - if (opt.ceil.rate) { - fprintf(stderr, "Double \"ceil\" spec\n"); - return -1; - } - if (get_rate(&opt.ceil.rate, *argv)) { - explain1("ceil"); - 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 (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) { - fprintf(stderr, "\"rate\" is required.\n"); - return -1; - } - /* if ceil params are missing, use the same as rate */ - if (!opt.ceil.rate) opt.ceil = opt.rate; - - /* compute minimal allowed burst from rate; mtu is added here to make - sute that buffer is larger than mtu and to have some safeguard space */ - if (!buffer) buffer = opt.rate.rate / get_hz() + mtu; - if (!cbuffer) cbuffer = opt.ceil.rate / get_hz() + mtu; - -/* encode overhead and mpu, 8 bits each, into lower 16 bits */ - mpu = (unsigned)mpu8 | (unsigned)overhead << 8; - opt.ceil.mpu = mpu; opt.rate.mpu = mpu; - - if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, mpu)) < 0) { - fprintf(stderr, "htb: failed to calculate rate table.\n"); - return -1; - } - opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer); - opt.rate.cell_log = cell_log; - - if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, mpu)) < 0) { - fprintf(stderr, "htb: failed to calculate ceil rate table.\n"); - return -1; - } - opt.cbuffer = tc_calc_xmittime(opt.ceil.rate, cbuffer); - opt.ceil.cell_log = ccell_log; - - tail = NLMSG_TAIL(n); - addattr_l(n, 1024, TCA_OPTIONS, NULL, 0); - addattr_l(n, 2024, TCA_HTB_PARMS, &opt, sizeof(opt)); - addattr_l(n, 3024, TCA_HTB_RTAB, rtab, 1024); - addattr_l(n, 4024, TCA_HTB_CTAB, ctab, 1024); - tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; - 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; - - parse_rtattr_nested(tb, TCA_HTB_RTAB, 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<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<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); - } - if (tb[TCA_HTB_INIT]) { - gopt = RTA_DATA(tb[TCA_HTB_INIT]); - if (RTA_PAYLOAD(tb[TCA_HTB_INIT]) < sizeof(*gopt)) return -1; - - fprintf(f, "r2q %d default %x direct_packets_stat %u", - gopt->rate2quantum,gopt->defcls,gopt->direct_pkts); - if (show_details) - fprintf(f," ver %d.%d",gopt->version >> 16,gopt->version & 0xffff); - } - return 0; -} - -static int htb_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats) -{ - struct tc_htb_xstats *st; - if (xstats == NULL) - return 0; - - if (RTA_PAYLOAD(xstats) < sizeof(*st)) - return -1; - - st = RTA_DATA(xstats); - fprintf(f, " lended: %u borrowed: %u giants: %u\n", - st->lends,st->borrows,st->giants); - fprintf(f, " tokens: %d ctokens: %d\n", st->tokens,st->ctokens); - return 0; -} - -struct qdisc_util htb_qdisc_util = { - .id = "htb", - .parse_qopt = htb_parse_opt, - .print_qopt = htb_print_opt, - .print_xstats = htb_print_xstats, - .parse_copt = htb_parse_class_opt, - .print_copt = htb_print_opt, -}; - -/* for testing of old one */ -struct qdisc_util htb2_qdisc_util = { - .id = "htb2", - .parse_qopt = htb_parse_opt, - .print_qopt = htb_print_opt, - .print_xstats = htb_print_xstats, - .parse_copt = htb_parse_class_opt, - .print_copt = htb_print_opt, -};