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-rw-r--r--tc/q_multiq.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/tc/q_multiq.c b/tc/q_multiq.c
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+++ b/tc/q_multiq.c
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+/*
+ * q_multiq.c Multiqueue aware qdisc
+ *
+ * Copyright (c) 2008, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses>.
+ *
+ * Author: Alexander Duyck <alexander.h.duyck@intel.com>
+ *
+ * Original Authors: PJ Waskiewicz, <peter.p.waskiewicz.jr@intel.com> (RR)
+ * Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> (from PRIO)
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.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: ... multiq [help]\n");
+}
+
+static int multiq_parse_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n, const char *dev)
+{
+ struct tc_multiq_qopt opt = {};
+
+ if (argc) {
+ if (strcmp(*argv, "help") == 0) {
+ explain();
+ return -1;
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ }
+
+ addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
+ return 0;
+}
+
+static int multiq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct tc_multiq_qopt *qopt;
+
+ if (opt == NULL)
+ return 0;
+ if (RTA_PAYLOAD(opt) < sizeof(*qopt))
+ return 0;
+
+ qopt = RTA_DATA(opt);
+
+ fprintf(f, "bands %u/%u ", qopt->bands, qopt->max_bands);
+
+ return 0;
+}
+
+struct qdisc_util multiq_qdisc_util = {
+ .id = "multiq",
+ .parse_qopt = multiq_parse_opt,
+ .print_qopt = multiq_print_opt,
+};