You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
438 lines
13 KiB
Diff
438 lines
13 KiB
Diff
--- 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,
|
|
+};
|