mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-22 10:24:37 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33688 3c298f89-4303-0410-b956-a3cf2f4a3e73
438 lines
13 KiB
Diff
438 lines
13 KiB
Diff
--- a/tc/Makefile
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+++ b/tc/Makefile
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@@ -49,6 +49,8 @@ TCMODULES += em_cmp.o
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TCMODULES += em_u32.o
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TCMODULES += em_meta.o
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TCMODULES += q_mqprio.o
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+TCMODULES += q_codel.o
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+TCMODULES += q_fq_codel.o
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TCSO :=
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ifeq ($(TC_CONFIG_ATM),y)
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--- /dev/null
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+++ b/tc/q_codel.c
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@@ -0,0 +1,188 @@
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+/*
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+ * Codel - The Controlled-Delay Active Queue Management algorithm
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+ *
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+ * Copyright (C) 2011-2012 Kathleen Nichols <nichols@pollere.com>
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+ * Copyright (C) 2011-2012 Van Jacobson <van@pollere.com>
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+ * Copyright (C) 2012 Michael D. Taht <dave.taht@bufferbloat.net>
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+ * Copyright (C) 2012 Eric Dumazet <edumazet@google.com>
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions
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+ * are met:
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+ * 1. Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions, and the following disclaimer,
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+ * without modification.
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+ * 2. Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ * 3. The names of the authors may not be used to endorse or promote products
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+ * derived from this software without specific prior written permission.
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+ *
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+ * Alternatively, provided that this notice is retained in full, this
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+ * software may be distributed under the terms of the GNU General
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+ * Public License ("GPL") version 2, in which case the provisions of the
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+ * GPL apply INSTEAD OF those given above.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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+ * DAMAGE.
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+ *
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <unistd.h>
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+#include <syslog.h>
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+#include <fcntl.h>
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+#include <sys/socket.h>
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+#include <netinet/in.h>
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+#include <arpa/inet.h>
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+#include <string.h>
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+
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+#include "utils.h"
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+#include "tc_util.h"
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+
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+static void explain(void)
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+{
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+ fprintf(stderr, "Usage: ... codel [ limit PACKETS ] [ target TIME]\n");
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+ fprintf(stderr, " [ interval TIME ] [ ecn ]\n");
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+}
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+
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+static int codel_parse_opt(struct qdisc_util *qu, int argc, char **argv,
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+ struct nlmsghdr *n)
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+{
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+ unsigned limit = 0;
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+ unsigned target = 0;
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+ unsigned interval = 0;
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+ int ecn = -1;
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+ struct rtattr *tail;
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+
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+ while (argc > 0) {
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+ if (strcmp(*argv, "limit") == 0) {
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+ NEXT_ARG();
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+ if (get_unsigned(&limit, *argv, 0)) {
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+ fprintf(stderr, "Illegal \"limit\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "target") == 0) {
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+ NEXT_ARG();
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+ if (get_time(&target, *argv)) {
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+ fprintf(stderr, "Illegal \"target\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "interval") == 0) {
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+ NEXT_ARG();
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+ if (get_time(&interval, *argv)) {
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+ fprintf(stderr, "Illegal \"interval\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "ecn") == 0) {
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+ ecn = 1;
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+ } else if (strcmp(*argv, "noecn") == 0) {
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+ ecn = 0;
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+ } else if (strcmp(*argv, "help") == 0) {
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+ explain();
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+ return -1;
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+ } else {
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+ fprintf(stderr, "What is \"%s\"?\n", *argv);
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+ explain();
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+ return -1;
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+ }
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+ argc--; argv++;
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+ }
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+
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+ tail = NLMSG_TAIL(n);
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+ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
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+ if (limit)
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+ addattr_l(n, 1024, TCA_CODEL_LIMIT, &limit, sizeof(limit));
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+ if (interval)
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+ addattr_l(n, 1024, TCA_CODEL_INTERVAL, &interval, sizeof(interval));
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+ if (target)
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+ addattr_l(n, 1024, TCA_CODEL_TARGET, &target, sizeof(target));
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+ if (ecn != -1)
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+ addattr_l(n, 1024, TCA_CODEL_ECN, &ecn, sizeof(ecn));
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+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
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+ return 0;
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+}
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+
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+static int codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
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+{
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+ struct rtattr *tb[TCA_CODEL_MAX + 1];
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+ unsigned limit;
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+ unsigned interval;
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+ unsigned target;
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+ unsigned ecn;
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+ SPRINT_BUF(b1);
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+
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+ if (opt == NULL)
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+ return 0;
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+
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+ parse_rtattr_nested(tb, TCA_CODEL_MAX, opt);
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+
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+ if (tb[TCA_CODEL_LIMIT] &&
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+ RTA_PAYLOAD(tb[TCA_CODEL_LIMIT]) >= sizeof(__u32)) {
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+ limit = rta_getattr_u32(tb[TCA_CODEL_LIMIT]);
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+ fprintf(f, "limit %up ", limit);
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+ }
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+ if (tb[TCA_CODEL_TARGET] &&
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+ RTA_PAYLOAD(tb[TCA_CODEL_TARGET]) >= sizeof(__u32)) {
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+ target = rta_getattr_u32(tb[TCA_CODEL_TARGET]);
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+ fprintf(f, "target %s ", sprint_time(target, b1));
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+ }
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+ if (tb[TCA_CODEL_INTERVAL] &&
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+ RTA_PAYLOAD(tb[TCA_CODEL_INTERVAL]) >= sizeof(__u32)) {
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+ interval = rta_getattr_u32(tb[TCA_CODEL_INTERVAL]);
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+ fprintf(f, "interval %s ", sprint_time(interval, b1));
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+ }
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+ if (tb[TCA_CODEL_ECN] &&
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+ RTA_PAYLOAD(tb[TCA_CODEL_ECN]) >= sizeof(__u32)) {
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+ ecn = rta_getattr_u32(tb[TCA_CODEL_ECN]);
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+ if (ecn)
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+ fprintf(f, "ecn ");
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+ }
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+
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+ return 0;
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+}
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+
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+static int codel_print_xstats(struct qdisc_util *qu, FILE *f,
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+ struct rtattr *xstats)
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+{
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+ struct tc_codel_xstats *st;
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+ SPRINT_BUF(b1);
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+
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+ if (xstats == NULL)
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+ return 0;
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+
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+ if (RTA_PAYLOAD(xstats) < sizeof(*st))
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+ return -1;
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+
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+ st = RTA_DATA(xstats);
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+ fprintf(f, " count %u lastcount %u ldelay %s",
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+ st->count, st->lastcount, sprint_time(st->ldelay, b1));
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+ if (st->dropping)
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+ fprintf(f, " dropping");
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+ if (st->drop_next < 0)
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+ fprintf(f, " drop_next -%s", sprint_time(-st->drop_next, b1));
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+ else
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+ fprintf(f, " drop_next %s", sprint_time(st->drop_next, b1));
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+ fprintf(f, "\n maxpacket %u ecn_mark %u drop_overlimit %u",
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+ st->maxpacket, st->ecn_mark, st->drop_overlimit);
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+ return 0;
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+
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+}
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+
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+struct qdisc_util codel_qdisc_util = {
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+ .id = "codel",
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+ .parse_qopt = codel_parse_opt,
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+ .print_qopt = codel_print_opt,
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+ .print_xstats = codel_print_xstats,
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+};
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--- /dev/null
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+++ b/tc/q_fq_codel.c
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@@ -0,0 +1,232 @@
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+/*
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+ * Fair Queue Codel
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+ *
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+ * Copyright (C) 2012 Eric Dumazet <edumazet@google.com>
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions
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+ * are met:
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+ * 1. Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions, and the following disclaimer,
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+ * without modification.
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+ * 2. Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ * 3. The names of the authors may not be used to endorse or promote products
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+ * derived from this software without specific prior written permission.
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+ *
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+ * Alternatively, provided that this notice is retained in full, this
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+ * software may be distributed under the terms of the GNU General
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+ * Public License ("GPL") version 2, in which case the provisions of the
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+ * GPL apply INSTEAD OF those given above.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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+ * DAMAGE.
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+ *
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <unistd.h>
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+#include <syslog.h>
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+#include <fcntl.h>
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+#include <sys/socket.h>
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+#include <netinet/in.h>
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+#include <arpa/inet.h>
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+#include <string.h>
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+
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+#include "utils.h"
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+#include "tc_util.h"
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+
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+static void explain(void)
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+{
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+ fprintf(stderr, "Usage: ... fq_codel [ limit PACKETS ] [ flows NUMBER ]\n");
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+ fprintf(stderr, " [ target TIME] [ interval TIME ]\n");
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+ fprintf(stderr, " [ quantum BYTES ] [ [no]ecn ]\n");
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+}
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+
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+static int fq_codel_parse_opt(struct qdisc_util *qu, int argc, char **argv,
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+ struct nlmsghdr *n)
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+{
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+ unsigned limit = 0;
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+ unsigned flows = 0;
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+ unsigned target = 0;
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+ unsigned interval = 0;
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+ unsigned quantum = 0;
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+ int ecn = -1;
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+ struct rtattr *tail;
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+
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+ while (argc > 0) {
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+ if (strcmp(*argv, "limit") == 0) {
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+ NEXT_ARG();
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+ if (get_unsigned(&limit, *argv, 0)) {
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+ fprintf(stderr, "Illegal \"limit\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "flows") == 0) {
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+ NEXT_ARG();
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+ if (get_unsigned(&flows, *argv, 0)) {
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+ fprintf(stderr, "Illegal \"flows\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "quantum") == 0) {
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+ NEXT_ARG();
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+ if (get_unsigned(&quantum, *argv, 0)) {
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+ fprintf(stderr, "Illegal \"quantum\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "target") == 0) {
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+ NEXT_ARG();
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+ if (get_time(&target, *argv)) {
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+ fprintf(stderr, "Illegal \"target\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "interval") == 0) {
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+ NEXT_ARG();
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+ if (get_time(&interval, *argv)) {
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+ fprintf(stderr, "Illegal \"interval\"\n");
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+ return -1;
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+ }
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+ } else if (strcmp(*argv, "ecn") == 0) {
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+ ecn = 1;
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+ } else if (strcmp(*argv, "noecn") == 0) {
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+ ecn = 0;
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+ } else if (strcmp(*argv, "help") == 0) {
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+ explain();
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+ return -1;
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+ } else {
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+ fprintf(stderr, "What is \"%s\"?\n", *argv);
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+ explain();
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+ return -1;
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+ }
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+ argc--; argv++;
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+ }
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+
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+ tail = NLMSG_TAIL(n);
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+ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
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+ if (limit)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_LIMIT, &limit, sizeof(limit));
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+ if (flows)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_FLOWS, &flows, sizeof(flows));
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+ if (quantum)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_QUANTUM, &quantum, sizeof(quantum));
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+ if (interval)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_INTERVAL, &interval, sizeof(interval));
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+ if (target)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_TARGET, &target, sizeof(target));
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+ if (ecn != -1)
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+ addattr_l(n, 1024, TCA_FQ_CODEL_ECN, &ecn, sizeof(ecn));
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+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
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+ return 0;
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+}
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+
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+static int fq_codel_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
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+{
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+ struct rtattr *tb[TCA_FQ_CODEL_MAX + 1];
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+ unsigned limit;
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+ unsigned flows;
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+ unsigned interval;
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+ unsigned target;
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+ unsigned ecn;
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+ unsigned quantum;
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+ SPRINT_BUF(b1);
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+
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+ if (opt == NULL)
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+ return 0;
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+
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+ parse_rtattr_nested(tb, TCA_FQ_CODEL_MAX, opt);
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+
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+ if (tb[TCA_FQ_CODEL_LIMIT] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_LIMIT]) >= sizeof(__u32)) {
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+ limit = rta_getattr_u32(tb[TCA_FQ_CODEL_LIMIT]);
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+ fprintf(f, "limit %up ", limit);
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+ }
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+ if (tb[TCA_FQ_CODEL_FLOWS] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_FLOWS]) >= sizeof(__u32)) {
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+ flows = rta_getattr_u32(tb[TCA_FQ_CODEL_FLOWS]);
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+ fprintf(f, "flows %u ", flows);
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+ }
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+ if (tb[TCA_FQ_CODEL_QUANTUM] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_QUANTUM]) >= sizeof(__u32)) {
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+ quantum = rta_getattr_u32(tb[TCA_FQ_CODEL_QUANTUM]);
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+ fprintf(f, "quantum %u ", quantum);
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+ }
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+ if (tb[TCA_FQ_CODEL_TARGET] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_TARGET]) >= sizeof(__u32)) {
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+ target = rta_getattr_u32(tb[TCA_FQ_CODEL_TARGET]);
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+ fprintf(f, "target %s ", sprint_time(target, b1));
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+ }
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+ if (tb[TCA_FQ_CODEL_INTERVAL] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_INTERVAL]) >= sizeof(__u32)) {
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+ interval = rta_getattr_u32(tb[TCA_FQ_CODEL_INTERVAL]);
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+ fprintf(f, "interval %s ", sprint_time(interval, b1));
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+ }
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+ if (tb[TCA_FQ_CODEL_ECN] &&
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+ RTA_PAYLOAD(tb[TCA_FQ_CODEL_ECN]) >= sizeof(__u32)) {
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+ ecn = rta_getattr_u32(tb[TCA_FQ_CODEL_ECN]);
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+ if (ecn)
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+ fprintf(f, "ecn ");
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+ }
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+
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+ return 0;
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+}
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+
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+static int fq_codel_print_xstats(struct qdisc_util *qu, FILE *f,
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+ struct rtattr *xstats)
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+{
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+ struct tc_fq_codel_xstats *st;
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+ SPRINT_BUF(b1);
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+
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+ if (xstats == NULL)
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+ return 0;
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+
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+ if (RTA_PAYLOAD(xstats) < sizeof(*st))
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+ return -1;
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+
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+ st = RTA_DATA(xstats);
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+ if (st->type == TCA_FQ_CODEL_XSTATS_QDISC) {
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+ fprintf(f, " maxpacket %u drop_overlimit %u new_flow_count %u ecn_mark %u",
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+ st->qdisc_stats.maxpacket,
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+ st->qdisc_stats.drop_overlimit,
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+ st->qdisc_stats.new_flow_count,
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+ st->qdisc_stats.ecn_mark);
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+ fprintf(f, "\n new_flows_len %u old_flows_len %u",
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+ st->qdisc_stats.new_flows_len,
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+ st->qdisc_stats.old_flows_len);
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+ }
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+ if (st->type == TCA_FQ_CODEL_XSTATS_CLASS) {
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+ fprintf(f, " deficit %d count %u lastcount %u ldelay %s",
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+ st->class_stats.deficit,
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+ st->class_stats.count,
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+ st->class_stats.lastcount,
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+ sprint_time(st->class_stats.ldelay, b1));
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+ if (st->class_stats.dropping) {
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+ fprintf(f, " dropping");
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+ if (st->class_stats.drop_next < 0)
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+ fprintf(f, " drop_next -%s",
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+ sprint_time(-st->class_stats.drop_next, b1));
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+ else
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+ fprintf(f, " drop_next %s",
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+ sprint_time(st->class_stats.drop_next, b1));
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+ }
|
|
+ }
|
|
+ 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,
|
|
+};
|