--- tc/Makefile | 1 + tc/q_cake.c | 732 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 733 insertions(+) create mode 100644 tc/q_cake.c
diff --git a/tc/Makefile b/tc/Makefile index 24bd3e2..7eb6d90 100644 --- a/tc/Makefile +++ b/tc/Makefile @@ -63,6 +63,7 @@ TCMODULES += em_meta.o TCMODULES += q_mqprio.o TCMODULES += q_codel.o TCMODULES += q_fq_codel.o +TCMODULES += q_cake.o TCMODULES += q_fq.o TCMODULES += q_pie.o TCMODULES += q_hhf.o diff --git a/tc/q_cake.c b/tc/q_cake.c new file mode 100644 index 0000000..43478e3 --- /dev/null +++ b/tc/q_cake.c @@ -0,0 +1,732 @@ +/* + * Common Applications Kept Enhanced -- CAKE + * + * Copyright (C) 2014-2015 Jonathan Morton <[email protected]> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Alternatively, provided that this notice is retained in full, this + * software may be distributed under the terms of the GNU General + * Public License ("GPL") version 2, in which case the provisions of the + * GPL apply INSTEAD OF those given above. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <syslog.h> +#include <fcntl.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <string.h> + +#include "utils.h" +#include "tc_util.h" + +static void explain(void) +{ + fprintf(stderr, +"Usage: ... cake [ bandwidth RATE | unlimited* | autorate_ingress ]\n" +" [ rtt TIME | datacentre | lan | metro | regional |\n" +" internet* | oceanic | satellite | interplanetary ]\n" +" [ besteffort | diffserv8 | diffserv4 | diffserv-llt |\n" +" diffserv3* ]\n" +" [ flowblind | srchost | dsthost | hosts | flows |\n" +" dual-srchost | dual-dsthost | triple-isolate* ]\n" +" [ nat | nonat* ]\n" +" [ wash | nowash * ]\n" +" [ ack-filter | no-ack-filter * ]\n" +" [ memlimit LIMIT ]\n" +" [ ptm | atm | noatm* ] [ overhead N | conservative | raw* ]\n" +" [ mpu N ] [ ingress | egress* ]\n" +" (* marks defaults)\n"); +} + +static int cake_parse_opt(struct qdisc_util *qu, int argc, char **argv, + struct nlmsghdr *n) +{ + int unlimited = 0; + unsigned bandwidth = 0; + unsigned interval = 0; + unsigned target = 0; + unsigned diffserv = 0; + unsigned memlimit = 0; + int overhead = 0; + bool overhead_set = false; + bool overhead_override = false; + int mpu = 0; + int flowmode = -1; + int nat = -1; + int atm = -1; + int autorate = -1; + int wash = -1; + int ingress = -1; + int ack_filter = -1; + struct rtattr *tail; + + while (argc > 0) { + if (strcmp(*argv, "bandwidth") == 0) { + NEXT_ARG(); + if (get_rate(&bandwidth, *argv)) { + fprintf(stderr, "Illegal \"bandwidth\"\n"); + return -1; + } + unlimited = 0; + autorate = 0; + } else if (strcmp(*argv, "unlimited") == 0) { + bandwidth = 0; + unlimited = 1; + autorate = 0; + } else if (strcmp(*argv, "autorate_ingress") == 0) { + autorate = 1; + + } else if (strcmp(*argv, "rtt") == 0) { + NEXT_ARG(); + if (get_time(&interval, *argv)) { + fprintf(stderr, "Illegal \"rtt\"\n"); + return -1; + } + target = interval / 20; + if(!target) + target = 1; + } else if (strcmp(*argv, "datacentre") == 0) { + interval = 100; + target = 5; + } else if (strcmp(*argv, "lan") == 0) { + interval = 1000; + target = 50; + } else if (strcmp(*argv, "metro") == 0) { + interval = 10000; + target = 500; + } else if (strcmp(*argv, "regional") == 0) { + interval = 30000; + target = 1500; + } else if (strcmp(*argv, "internet") == 0) { + interval = 100000; + target = 5000; + } else if (strcmp(*argv, "oceanic") == 0) { + interval = 300000; + target = 15000; + } else if (strcmp(*argv, "satellite") == 0) { + interval = 1000000; + target = 50000; + } else if (strcmp(*argv, "interplanetary") == 0) { + interval = 3600000000U; + target = 5000; + + } else if (strcmp(*argv, "besteffort") == 0) { + diffserv = 1; + } else if (strcmp(*argv, "precedence") == 0) { + diffserv = 2; + } else if (strcmp(*argv, "diffserv8") == 0) { + diffserv = 3; + } else if (strcmp(*argv, "diffserv4") == 0) { + diffserv = 4; + } else if (strcmp(*argv, "diffserv") == 0) { + diffserv = 4; + } else if (strcmp(*argv, "diffserv-llt") == 0) { + diffserv = 5; + } else if (strcmp(*argv, "diffserv3") == 0) { + diffserv = 6; + + } else if (strcmp(*argv, "nowash") == 0) { + wash = 0; + } else if (strcmp(*argv, "wash") == 0) { + wash = 1; + + } else if (strcmp(*argv, "flowblind") == 0) { + flowmode = 0; + } else if (strcmp(*argv, "srchost") == 0) { + flowmode = 1; + } else if (strcmp(*argv, "dsthost") == 0) { + flowmode = 2; + } else if (strcmp(*argv, "hosts") == 0) { + flowmode = 3; + } else if (strcmp(*argv, "flows") == 0) { + flowmode = 4; + } else if (strcmp(*argv, "dual-srchost") == 0) { + flowmode = 5; + } else if (strcmp(*argv, "dual-dsthost") == 0) { + flowmode = 6; + } else if (strcmp(*argv, "triple-isolate") == 0) { + flowmode = 7; + + } else if (strcmp(*argv, "nat") == 0) { + nat = 1; + } else if (strcmp(*argv, "nonat") == 0) { + nat = 0; + + } else if (strcmp(*argv, "ptm") == 0) { + atm = 2; + } else if (strcmp(*argv, "atm") == 0) { + atm = 1; + } else if (strcmp(*argv, "noatm") == 0) { + atm = 0; + + } else if (strcmp(*argv, "raw") == 0) { + atm = 0; + overhead = 0; + overhead_set = true; + overhead_override = true; + } else if (strcmp(*argv, "conservative") == 0) { + /* + * Deliberately over-estimate overhead: + * one whole ATM cell plus ATM framing. + * A safe choice if the actual overhead is unknown. + */ + atm = 1; + overhead = 48; + overhead_set = true; + + /* Various ADSL framing schemes, all over ATM cells */ + } else if (strcmp(*argv, "ipoa-vcmux") == 0) { + atm = 1; + overhead += 8; + overhead_set = true; + } else if (strcmp(*argv, "ipoa-llcsnap") == 0) { + atm = 1; + overhead += 16; + overhead_set = true; + } else if (strcmp(*argv, "bridged-vcmux") == 0) { + atm = 1; + overhead += 24; + overhead_set = true; + } else if (strcmp(*argv, "bridged-llcsnap") == 0) { + atm = 1; + overhead += 32; + overhead_set = true; + } else if (strcmp(*argv, "pppoa-vcmux") == 0) { + atm = 1; + overhead += 10; + overhead_set = true; + } else if (strcmp(*argv, "pppoa-llc") == 0) { + atm = 1; + overhead += 14; + overhead_set = true; + } else if (strcmp(*argv, "pppoe-vcmux") == 0) { + atm = 1; + overhead += 32; + overhead_set = true; + } else if (strcmp(*argv, "pppoe-llcsnap") == 0) { + atm = 1; + overhead += 40; + overhead_set = true; + + /* Typical VDSL2 framing schemes, both over PTM */ + /* PTM has 64b/65b coding which absorbs some bandwidth */ + } else if (strcmp(*argv, "pppoe-ptm") == 0) { + atm = 2; + overhead += 27; + overhead_set = true; + } else if (strcmp(*argv, "bridged-ptm") == 0) { + atm = 2; + overhead += 19; + overhead_set = true; + + } else if (strcmp(*argv, "via-ethernet") == 0) { + /* + * We used to use this flag to manually compensate for + * Linux including the Ethernet header on Ethernet-type + * interfaces, but not on IP-type interfaces. + * + * It is no longer needed, because Cake now adjusts for + * that automatically, and is thus ignored. + * + * It would be deleted entirely, but it appears in the + * stats output when the automatic compensation is active. + */ + + } else if (strcmp(*argv, "ethernet") == 0) { + /* ethernet pre-amble & interframe gap & FCS + * you may need to add vlan tag */ + overhead += 38; + overhead_set = true; + mpu = 84; + + /* Additional Ethernet-related overhead used by some ISPs */ + } else if (strcmp(*argv, "ether-vlan") == 0) { + /* 802.1q VLAN tag - may be repeated */ + overhead += 4; + overhead_set = true; + + /* + * DOCSIS cable shapers account for Ethernet frame with FCS, + * but not interframe gap nor preamble. + */ + } else if (strcmp(*argv, "docsis") == 0) { + atm = 0; + overhead += 18; + overhead_set = true; + mpu = 64; + + } else if (strcmp(*argv, "overhead") == 0) { + char* p = NULL; + NEXT_ARG(); + overhead = strtol(*argv, &p, 10); + if(!p || *p || !*argv || overhead < -64 || overhead > 256) { + fprintf(stderr, "Illegal \"overhead\", valid range is -64 to 256\\n"); + return -1; + } + overhead_set = true; + + } else if (strcmp(*argv, "mpu") == 0) { + char* p = NULL; + NEXT_ARG(); + mpu = strtol(*argv, &p, 10); + if(!p || *p || !*argv || mpu < 0 || mpu > 256) { + fprintf(stderr, "Illegal \"mpu\", valid range is 0 to 256\\n"); + return -1; + } + + } else if (strcmp(*argv, "ingress") == 0) { + ingress = 1; + } else if (strcmp(*argv, "egress") == 0) { + ingress = 0; + + } else if (strcmp(*argv, "no-ack-filter") == 0) { + ack_filter = 0; + } else if (strcmp(*argv, "ack-filter") == 0) { + ack_filter = 1; + + } else if (strcmp(*argv, "memlimit") == 0) { + NEXT_ARG(); + if(get_size(&memlimit, *argv)) { + fprintf(stderr, "Illegal value for \"memlimit\": \"%s\"\n", *argv); + return -1; + } + + } else if (strcmp(*argv, "help") == 0) { + explain(); + return -1; + } 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); + if (bandwidth || unlimited) + addattr_l(n, 1024, TCA_CAKE_BASE_RATE, &bandwidth, sizeof(bandwidth)); + if (diffserv) + addattr_l(n, 1024, TCA_CAKE_DIFFSERV_MODE, &diffserv, sizeof(diffserv)); + if (atm != -1) + addattr_l(n, 1024, TCA_CAKE_ATM, &atm, sizeof(atm)); + if (flowmode != -1) + addattr_l(n, 1024, TCA_CAKE_FLOW_MODE, &flowmode, sizeof(flowmode)); + if (overhead_set) + addattr_l(n, 1024, TCA_CAKE_OVERHEAD, &overhead, sizeof(overhead)); + if (overhead_override) { + unsigned zero = 0; + addattr_l(n, 1024, TCA_CAKE_ETHERNET, &zero, sizeof(zero)); + } + if (mpu > 0) + addattr_l(n, 1024, TCA_CAKE_MPU, &mpu, sizeof(mpu)); + if (interval) + addattr_l(n, 1024, TCA_CAKE_RTT, &interval, sizeof(interval)); + if (target) + addattr_l(n, 1024, TCA_CAKE_TARGET, &target, sizeof(target)); + if (autorate != -1) + addattr_l(n, 1024, TCA_CAKE_AUTORATE, &autorate, sizeof(autorate)); + if (memlimit) + addattr_l(n, 1024, TCA_CAKE_MEMORY, &memlimit, sizeof(memlimit)); + if (nat != -1) + addattr_l(n, 1024, TCA_CAKE_NAT, &nat, sizeof(nat)); + if (wash != -1) + addattr_l(n, 1024, TCA_CAKE_WASH, &wash, sizeof(wash)); + if (ingress != -1) + addattr_l(n, 1024, TCA_CAKE_INGRESS, &ingress, sizeof(ingress)); + if (ack_filter != -1) + addattr_l(n, 1024, TCA_CAKE_ACK_FILTER, &ack_filter, sizeof(ack_filter)); + + tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; + 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; + unsigned interval = 0; + unsigned memlimit = 0; + int overhead = 0; + int ethernet = 0; + int mpu = 0; + int atm = 0; + int nat = 0; + int autorate = 0; + int wash = 0; + int ingress = 0; + int ack_filter = 0; + SPRINT_BUF(b1); + SPRINT_BUF(b2); + + 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_AUTORATE] && + RTA_PAYLOAD(tb[TCA_CAKE_AUTORATE]) >= sizeof(__u32)) { + autorate = rta_getattr_u32(tb[TCA_CAKE_AUTORATE]); + if(autorate == 1) + fprintf(f, "autorate_ingress "); + else if(autorate) + fprintf(f, "(?autorate?) "); + } + 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, "diffserv8 "); + break; + case 4: + fprintf(f, "diffserv4 "); + break; + case 5: + fprintf(f, "diffserv-llt "); + break; + case 6: + fprintf(f, "diffserv3 "); + 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]); + nat = !!(flowmode & 64); + flowmode &= ~64; + 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; + case 5: + fprintf(f, "dual-srchost "); + break; + case 6: + fprintf(f, "dual-dsthost "); + break; + case 7: + fprintf(f, "triple-isolate "); + break; + default: + fprintf(f, "(?flowmode?) "); + break; + }; + + if(nat) + fprintf(f, "nat "); + } + if (tb[TCA_CAKE_WASH] && + RTA_PAYLOAD(tb[TCA_CAKE_WASH]) >= sizeof(__u32)) { + wash = rta_getattr_u32(tb[TCA_CAKE_WASH]); + } + if (tb[TCA_CAKE_ATM] && + RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) { + atm = rta_getattr_u32(tb[TCA_CAKE_ATM]); + } + if (tb[TCA_CAKE_OVERHEAD] && + RTA_PAYLOAD(tb[TCA_CAKE_OVERHEAD]) >= sizeof(__u32)) { + overhead = rta_getattr_u32(tb[TCA_CAKE_OVERHEAD]); + } + if (tb[TCA_CAKE_MPU] && + RTA_PAYLOAD(tb[TCA_CAKE_MPU]) >= sizeof(__u32)) { + mpu = rta_getattr_u32(tb[TCA_CAKE_MPU]); + } + if (tb[TCA_CAKE_INGRESS] && + RTA_PAYLOAD(tb[TCA_CAKE_INGRESS]) >= sizeof(__u32)) { + ingress = rta_getattr_u32(tb[TCA_CAKE_INGRESS]); + } + if (tb[TCA_CAKE_ACK_FILTER] && + RTA_PAYLOAD(tb[TCA_CAKE_ACK_FILTER]) >= sizeof(__u32)) { + ack_filter = rta_getattr_u32(tb[TCA_CAKE_ACK_FILTER]); + } + if (tb[TCA_CAKE_ETHERNET] && + RTA_PAYLOAD(tb[TCA_CAKE_ETHERNET]) >= sizeof(__u32)) { + ethernet = rta_getattr_u32(tb[TCA_CAKE_ETHERNET]); + } + if (tb[TCA_CAKE_RTT] && + RTA_PAYLOAD(tb[TCA_CAKE_RTT]) >= sizeof(__u32)) { + interval = rta_getattr_u32(tb[TCA_CAKE_RTT]); + } + + if (wash) + fprintf(f,"wash "); + + if (ingress) + fprintf(f,"ingress "); + + if (ack_filter) + fprintf(f,"ack-filter "); + + if (interval) + fprintf(f, "rtt %s ", sprint_time(interval, b2)); + + if (!atm && overhead == ethernet) { + fprintf(f, "raw "); + } else { + if (atm == 1) + fprintf(f, "atm "); + else if (atm == 2) + fprintf(f, "ptm "); + else + fprintf(f, "noatm "); + + fprintf(f, "overhead %d ", overhead); + + // This is actually the *amount* of automatic compensation, but we only report + // its presence as a boolean for now. + if (ethernet) + fprintf(f, "via-ethernet "); + } + + if (mpu) { + fprintf(f, "mpu %d ", mpu); + } + + if (memlimit) + fprintf(f, "memlimit %s", sprint_size(memlimit, b1)); + + return 0; +} + +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_xstats *stnc; + SPRINT_BUF(b1); + SPRINT_BUF(b2); + + if (xstats == NULL) + return 0; + + if (RTA_PAYLOAD(xstats) < sizeof(st->type)) + return -1; + + st = RTA_DATA(xstats); + stnc = 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 (stnc->version >= 1 && stnc->version < 0xFF + && stnc->max_tins == TC_CAKE_MAX_TINS + && RTA_PAYLOAD(xstats) >= offsetof(struct tc_cake_xstats, capacity_estimate)) + { + int i; + + if(stnc->version >= 3) + fprintf(f, " memory used: %s of %s\n", sprint_size(stnc->memory_used, b1), sprint_size(stnc->memory_limit, b2)); + + if(stnc->version >= 2) + fprintf(f, " capacity estimate: %s\n", sprint_rate(stnc->capacity_estimate, b1)); + + switch(stnc->tin_cnt) { + case 3: + fprintf(f, " Bulk Best Effort Voice\n"); + break; + + case 4: + fprintf(f, " Bulk Best Effort Video Voice\n"); + break; + + case 5: + fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n"); + break; + + default: + fprintf(f, " "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, " Tin %u", i); + fprintf(f, "\n"); + }; + + fprintf(f, " thresh "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_rate(stnc->threshold_rate[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " target "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_time(stnc->target_us[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " interval"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_time(stnc->interval_us[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " pk_delay"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_time(stnc->peak_delay_us[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " av_delay"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_time(stnc->avge_delay_us[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " sp_delay"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12s", sprint_time(stnc->base_delay_us[i], b1)); + fprintf(f, "\n"); + + fprintf(f, " pkts "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->sent[i].packets); + fprintf(f, "\n"); + + fprintf(f, " bytes "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12llu", stnc->sent[i].bytes); + fprintf(f, "\n"); + + fprintf(f, " way_inds"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->way_indirect_hits[i]); + fprintf(f, "\n"); + + fprintf(f, " way_miss"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->way_misses[i]); + fprintf(f, "\n"); + + fprintf(f, " way_cols"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->way_collisions[i]); + fprintf(f, "\n"); + + fprintf(f, " drops "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->dropped[i].packets); + fprintf(f, "\n"); + + fprintf(f, " marks "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->ecn_marked[i].packets); + fprintf(f, "\n"); + + if(stnc->version >= 5) { + fprintf(f, " ack_drop"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->ack_drops[i].packets); + fprintf(f, "\n"); + } + + fprintf(f, " sp_flows"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->sparse_flows[i]); + fprintf(f, "\n"); + + fprintf(f, " bk_flows"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->bulk_flows[i]); + fprintf(f, "\n"); + + if(stnc->version >= 4) { + fprintf(f, " un_flows"); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->unresponse_flows[i]); + fprintf(f, "\n"); + } + + fprintf(f, " max_len "); + for(i=0; i < stnc->tin_cnt; i++) + fprintf(f, "%12u", stnc->max_skblen[i]); + fprintf(f, "\n"); + } else { + return -1; + } + return 0; +} + +struct qdisc_util cake_qdisc_util = { + .id = "cake", + .parse_qopt = cake_parse_opt, + .print_qopt = cake_print_opt, + .print_xstats = cake_print_xstats, +}; -- 2.7.4 _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
