diff options
Diffstat (limited to 'package/iproute2/patches/210-add_codel.patch')
| -rw-r--r-- | package/iproute2/patches/210-add_codel.patch | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/package/iproute2/patches/210-add_codel.patch b/package/iproute2/patches/210-add_codel.patch new file mode 100644 index 000000000..a14e276c8 --- /dev/null +++ b/package/iproute2/patches/210-add_codel.patch @@ -0,0 +1,437 @@ +--- a/tc/Makefile ++++ b/tc/Makefile +@@ -49,6 +49,8 @@ TCMODULES += em_cmp.o + TCMODULES += em_u32.o + TCMODULES += em_meta.o + TCMODULES += q_mqprio.o ++TCMODULES += q_codel.o ++TCMODULES += q_fq_codel.o + + TCSO := + ifeq ($(TC_CONFIG_ATM),y) +--- /dev/null ++++ b/tc/q_codel.c +@@ -0,0 +1,188 @@ ++/* ++ * Codel - The Controlled-Delay Active Queue Management algorithm ++ * ++ * Copyright (C) 2011-2012 Kathleen Nichols <nichols@pollere.com> ++ * Copyright (C) 2011-2012 Van Jacobson <van@pollere.com> ++ * Copyright (C) 2012 Michael D. Taht <dave.taht@bufferbloat.net> ++ * Copyright (C) 2012 Eric Dumazet <edumazet@google.com> ++ * ++ * 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 <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: ... codel [ limit PACKETS ] [ target TIME]\n"); ++ fprintf(stderr, " [ interval TIME ] [ ecn ]\n"); ++} ++ ++static int codel_parse_opt(struct qdisc_util *qu, int argc, char **argv, ++ struct nlmsghdr *n) ++{ ++ unsigned limit = 0; ++ unsigned target = 0; ++ unsigned interval = 0; ++ int ecn = -1; ++ struct rtattr *tail; ++ ++ while (argc > 0) { ++ if (strcmp(*argv, "limit") == 0) { ++ NEXT_ARG(); ++ if (get_unsigned(&limit, *argv, 0)) { ++ fprintf(stderr, "Illegal \"limit\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "target") == 0) { ++ NEXT_ARG(); ++ if (get_time(&target, *argv)) { ++ fprintf(stderr, "Illegal \"target\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "interval") == 0) { ++ NEXT_ARG(); ++ if (get_time(&interval, *argv)) { ++ fprintf(stderr, "Illegal \"interval\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "ecn") == 0) { ++ ecn = 1; ++ } else if (strcmp(*argv, "noecn") == 0) { ++ ecn = 0; ++ } 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 (limit) ++ addattr_l(n, 1024, TCA_CODEL_LIMIT, &limit, sizeof(limit)); ++ if (interval) ++ addattr_l(n, 1024, TCA_CODEL_INTERVAL, &interval, sizeof(interval)); ++ if (target) ++ addattr_l(n, 1024, TCA_CODEL_TARGET, &target, sizeof(target)); ++ if (ecn != -1) ++ addattr_l(n, 1024, TCA_CODEL_ECN, &ecn, sizeof(ecn)); ++ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; ++ return 0; ++} ++ ++static int codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) ++{ ++ struct rtattr *tb[TCA_CODEL_MAX + 1]; ++ unsigned limit; ++ unsigned interval; ++ unsigned target; ++ unsigned ecn; ++ SPRINT_BUF(b1); ++ ++ if (opt == NULL) ++ return 0; ++ ++ parse_rtattr_nested(tb, TCA_CODEL_MAX, opt); ++ ++ if (tb[TCA_CODEL_LIMIT] && ++ RTA_PAYLOAD(tb[TCA_CODEL_LIMIT]) >= sizeof(__u32)) { ++ limit = rta_getattr_u32(tb[TCA_CODEL_LIMIT]); ++ fprintf(f, "limit %up ", limit); ++ } ++ if (tb[TCA_CODEL_TARGET] && ++ RTA_PAYLOAD(tb[TCA_CODEL_TARGET]) >= sizeof(__u32)) { ++ target = rta_getattr_u32(tb[TCA_CODEL_TARGET]); ++ fprintf(f, "target %s ", sprint_time(target, b1)); ++ } ++ if (tb[TCA_CODEL_INTERVAL] && ++ RTA_PAYLOAD(tb[TCA_CODEL_INTERVAL]) >= sizeof(__u32)) { ++ interval = rta_getattr_u32(tb[TCA_CODEL_INTERVAL]); ++ fprintf(f, "interval %s ", sprint_time(interval, b1)); ++ } ++ if (tb[TCA_CODEL_ECN] && ++ RTA_PAYLOAD(tb[TCA_CODEL_ECN]) >= sizeof(__u32)) { ++ ecn = rta_getattr_u32(tb[TCA_CODEL_ECN]); ++ if (ecn) ++ fprintf(f, "ecn "); ++ } ++ ++ return 0; ++} ++ ++static int codel_print_xstats(struct qdisc_util *qu, FILE *f, ++ struct rtattr *xstats) ++{ ++ struct tc_codel_xstats *st; ++ SPRINT_BUF(b1); ++ ++ if (xstats == NULL) ++ return 0; ++ ++ if (RTA_PAYLOAD(xstats) < sizeof(*st)) ++ return -1; ++ ++ st = RTA_DATA(xstats); ++ fprintf(f, " count %u lastcount %u ldelay %s", ++ st->count, st->lastcount, sprint_time(st->ldelay, b1)); ++ if (st->dropping) ++ fprintf(f, " dropping"); ++ if (st->drop_next < 0) ++ fprintf(f, " drop_next -%s", sprint_time(-st->drop_next, b1)); ++ else ++ fprintf(f, " drop_next %s", sprint_time(st->drop_next, b1)); ++ fprintf(f, "\n maxpacket %u ecn_mark %u drop_overlimit %u", ++ st->maxpacket, st->ecn_mark, st->drop_overlimit); ++ return 0; ++ ++} ++ ++struct qdisc_util codel_qdisc_util = { ++ .id = "codel", ++ .parse_qopt = codel_parse_opt, ++ .print_qopt = codel_print_opt, ++ .print_xstats = codel_print_xstats, ++}; +--- /dev/null ++++ b/tc/q_fq_codel.c +@@ -0,0 +1,232 @@ ++/* ++ * Fair Queue Codel ++ * ++ * Copyright (C) 2012 Eric Dumazet <edumazet@google.com> ++ * ++ * 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 <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: ... fq_codel [ limit PACKETS ] [ flows NUMBER ]\n"); ++ fprintf(stderr, " [ target TIME] [ interval TIME ]\n"); ++ fprintf(stderr, " [ quantum BYTES ] [ [no]ecn ]\n"); ++} ++ ++static int fq_codel_parse_opt(struct qdisc_util *qu, int argc, char **argv, ++ struct nlmsghdr *n) ++{ ++ unsigned limit = 0; ++ unsigned flows = 0; ++ unsigned target = 0; ++ unsigned interval = 0; ++ unsigned quantum = 0; ++ int ecn = -1; ++ struct rtattr *tail; ++ ++ while (argc > 0) { ++ if (strcmp(*argv, "limit") == 0) { ++ NEXT_ARG(); ++ if (get_unsigned(&limit, *argv, 0)) { ++ fprintf(stderr, "Illegal \"limit\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "flows") == 0) { ++ NEXT_ARG(); ++ if (get_unsigned(&flows, *argv, 0)) { ++ fprintf(stderr, "Illegal \"flows\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "quantum") == 0) { ++ NEXT_ARG(); ++ if (get_unsigned(&quantum, *argv, 0)) { ++ fprintf(stderr, "Illegal \"quantum\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "target") == 0) { ++ NEXT_ARG(); ++ if (get_time(&target, *argv)) { ++ fprintf(stderr, "Illegal \"target\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "interval") == 0) { ++ NEXT_ARG(); ++ if (get_time(&interval, *argv)) { ++ fprintf(stderr, "Illegal \"interval\"\n"); ++ return -1; ++ } ++ } else if (strcmp(*argv, "ecn") == 0) { ++ ecn = 1; ++ } else if (strcmp(*argv, "noecn") == 0) { ++ ecn = 0; ++ } 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 (limit) ++ addattr_l(n, 1024, TCA_FQ_CODEL_LIMIT, &limit, sizeof(limit)); ++ if (flows) ++ addattr_l(n, 1024, TCA_FQ_CODEL_FLOWS, &flows, sizeof(flows)); ++ if (quantum) ++ addattr_l(n, 1024, TCA_FQ_CODEL_QUANTUM, &quantum, sizeof(quantum)); ++ if (interval) ++ addattr_l(n, 1024, TCA_FQ_CODEL_INTERVAL, &interval, sizeof(interval)); ++ if (target) ++ addattr_l(n, 1024, TCA_FQ_CODEL_TARGET, &target, sizeof(target)); ++ if (ecn != -1) ++ addattr_l(n, 1024, TCA_FQ_CODEL_ECN, &ecn, sizeof(ecn)); ++ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; ++ return 0; ++} ++ ++static int fq_codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) ++{ ++ struct rtattr *tb[TCA_FQ_CODEL_MAX + 1]; ++ unsigned limit; ++ unsigned flows; ++ unsigned interval; ++ unsigned target; ++ unsigned ecn; ++ unsigned quantum; ++ SPRINT_BUF(b1); ++ ++ if (opt == NULL) ++ return 0; ++ ++ parse_rtattr_nested(tb, TCA_FQ_CODEL_MAX, opt); ++ ++ if (tb[TCA_FQ_CODEL_LIMIT] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_LIMIT]) >= sizeof(__u32)) { ++ limit = rta_getattr_u32(tb[TCA_FQ_CODEL_LIMIT]); ++ fprintf(f, "limit %up ", limit); ++ } ++ if (tb[TCA_FQ_CODEL_FLOWS] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_FLOWS]) >= sizeof(__u32)) { ++ flows = rta_getattr_u32(tb[TCA_FQ_CODEL_FLOWS]); ++ fprintf(f, "flows %u ", flows); ++ } ++ if (tb[TCA_FQ_CODEL_QUANTUM] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_QUANTUM]) >= sizeof(__u32)) { ++ quantum = rta_getattr_u32(tb[TCA_FQ_CODEL_QUANTUM]); ++ fprintf(f, "quantum %u ", quantum); ++ } ++ if (tb[TCA_FQ_CODEL_TARGET] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_TARGET]) >= sizeof(__u32)) { ++ target = rta_getattr_u32(tb[TCA_FQ_CODEL_TARGET]); ++ fprintf(f, "target %s ", sprint_time(target, b1)); ++ } ++ if (tb[TCA_FQ_CODEL_INTERVAL] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_INTERVAL]) >= sizeof(__u32)) { ++ interval = rta_getattr_u32(tb[TCA_FQ_CODEL_INTERVAL]); ++ fprintf(f, "interval %s ", sprint_time(interval, b1)); ++ } ++ if (tb[TCA_FQ_CODEL_ECN] && ++ RTA_PAYLOAD(tb[TCA_FQ_CODEL_ECN]) >= sizeof(__u32)) { ++ ecn = rta_getattr_u32(tb[TCA_FQ_CODEL_ECN]); ++ if (ecn) ++ fprintf(f, "ecn "); ++ } ++ ++ return 0; ++} ++ ++static int fq_codel_print_xstats(struct qdisc_util *qu, FILE *f, ++ struct rtattr *xstats) ++{ ++ struct tc_fq_codel_xstats *st; ++ SPRINT_BUF(b1); ++ ++ if (xstats == NULL) ++ return 0; ++ ++ if (RTA_PAYLOAD(xstats) < sizeof(*st)) ++ return -1; ++ ++ st = RTA_DATA(xstats); ++ if (st->type == TCA_FQ_CODEL_XSTATS_QDISC) { ++ 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); ++ } ++ if (st->type == TCA_FQ_CODEL_XSTATS_CLASS) { ++ 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)); ++ } ++ } ++ return 0; ++ ++} ++ ++struct qdisc_util fq_codel_qdisc_util = { ++ .id = "fq_codel", ++ .parse_qopt = fq_codel_parse_opt, ++ .print_qopt = fq_codel_print_opt, ++ .print_xstats = fq_codel_print_xstats, ++}; |