This commit was generated by cvs2svn to compensate for changes in r1650,

[iproute2.git] / tc / q_prio.c

diff --git a/tc/q_prio.c b/tc/q_prio.c
new file mode 100644 (file)
index 0000000..d696e1b
--- /dev/null
+++ b/tc/q_prio.c
@@ -0,0 +1,119 @@
+/*
+ * q_prio.c            PRIO.
+ *
+ *             This program is free software; you can redistribute it and/or
+ *             modify it under the terms of the GNU General Public License
+ *             as published by the Free Software Foundation; either version
+ *             2 of the License, or (at your option) any later version.
+ *
+ * Authors:    Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ * Changes:
+ *
+ * Ole Husgaard <sparre@login.dknet.dk>: 990513: prio2band map was always reset.
+ * J Hadi Salim <hadi@cyberus.ca>: 990609: priomap fix.
+ */
+
+#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: ... prio bands NUMBER priomap P1 P2...\n");
+}
+
+#define usage() return(-1)
+
+static int prio_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
+{
+       int ok=0;
+       int pmap_mode = 0;
+       int idx = 0;
+       struct tc_prio_qopt opt={3,{ 1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 }};
+
+       while (argc > 0) {
+               if (strcmp(*argv, "bands") == 0) {
+                       if (pmap_mode)
+                               explain();
+                       NEXT_ARG();
+                       if (get_integer(&opt.bands, *argv, 10)) {
+                               fprintf(stderr, "Illegal \"bands\"\n");
+                               return -1;
+                       }
+                       ok++;
+               } else if (strcmp(*argv, "priomap") == 0) {
+                       if (pmap_mode) {
+                               fprintf(stderr, "Error: duplicate priomap\n");
+                               return -1;
+                       }
+                       pmap_mode = 1;
+               } else if (strcmp(*argv, "help") == 0) {
+                       explain();
+                       return -1;
+               } else {
+                       unsigned band;
+                       if (!pmap_mode) {
+                               fprintf(stderr, "What is \"%s\"?\n", *argv);
+                               explain();
+                               return -1;
+                       }
+                       if (get_unsigned(&band, *argv, 10)) {
+                               fprintf(stderr, "Illegal \"priomap\" element\n");
+                               return -1;
+                       }
+                       if (band > opt.bands) {
+                               fprintf(stderr, "\"priomap\" element is out of bands\n");
+                               return -1;
+                       }
+                       if (idx > TC_PRIO_MAX) {
+                               fprintf(stderr, "\"priomap\" index > TC_PRIO_MAX=%u\n", TC_PRIO_MAX);
+                               return -1;
+                       }
+                       opt.priomap[idx++] = band;
+               }
+               argc--; argv++;
+       }
+
+/*
+       if (pmap_mode) {
+               for (; idx < TC_PRIO_MAX; idx++)
+                       opt.priomap[idx] = opt.priomap[TC_PRIO_BESTEFFORT];
+       }
+*/
+       addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
+       return 0;
+}
+
+int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+       int i;
+       struct tc_prio_qopt *qopt;
+
+       if (opt == NULL)
+               return 0;
+
+       if (RTA_PAYLOAD(opt)  < sizeof(*qopt))
+               return -1;
+       qopt = RTA_DATA(opt);
+       fprintf(f, "bands %u priomap ", qopt->bands);
+       for (i=0; i<=TC_PRIO_MAX; i++)
+               fprintf(f, " %d", qopt->priomap[i]);
+       return 0;
+}
+
+struct qdisc_util prio_qdisc_util = {
+       .id             = "prio",
+       .parse_qopt     = prio_parse_opt,
+       .print_qopt     = prio_print_opt,
+};
+