(Logical change 1.3)
diff --git a/tc/f_route.c b/tc/f_route.c
index e69de29..f13c28b 100644
--- a/tc/f_route.c
+++ b/tc/f_route.c
@@ -0,0 +1,175 @@
+/*
+ * f_route.c ROUTE filter.
+ *
+ * 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>
+ *
+ */
+
+#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 "rt_names.h"
+#include "tc_util.h"
+
+static void explain(void)
+{
+ fprintf(stderr, "Usage: ... route [ from REALM | fromif TAG ] [ to REALM ]\n");
+ fprintf(stderr, " [ flowid CLASSID ] [ police POLICE_SPEC ]\n");
+ fprintf(stderr, " POLICE_SPEC := ... look at TBF\n");
+ fprintf(stderr, " CLASSID := X:Y\n");
+}
+
+#define usage() return(-1)
+
+static int route_parse_opt(struct filter_util *qu, char *handle, int argc, char **argv, struct nlmsghdr *n)
+{
+ struct tc_police tp;
+ struct tcmsg *t = NLMSG_DATA(n);
+ struct rtattr *tail;
+ __u32 fh = 0xFFFF8000;
+ __u32 order = 0;
+
+ memset(&tp, 0, sizeof(tp));
+
+ if (handle) {
+ if (get_u32(&t->tcm_handle, handle, 0)) {
+ fprintf(stderr, "Illegal \"handle\"\n");
+ return -1;
+ }
+ }
+
+ if (argc == 0)
+ return 0;
+
+ tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
+ addattr_l(n, 4096, TCA_OPTIONS, NULL, 0);
+
+ while (argc > 0) {
+ if (matches(*argv, "to") == 0) {
+ __u32 id;
+ NEXT_ARG();
+ if (rtnl_rtrealm_a2n(&id, *argv)) {
+ fprintf(stderr, "Illegal \"to\"\n");
+ return -1;
+ }
+ addattr_l(n, 4096, TCA_ROUTE4_TO, &id, 4);
+ fh &= ~0x80FF;
+ fh |= id&0xFF;
+ } else if (matches(*argv, "from") == 0) {
+ __u32 id;
+ NEXT_ARG();
+ if (rtnl_rtrealm_a2n(&id, *argv)) {
+ fprintf(stderr, "Illegal \"from\"\n");
+ return -1;
+ }
+ addattr_l(n, 4096, TCA_ROUTE4_FROM, &id, 4);
+ fh &= 0xFFFF;
+ fh |= id<<16;
+ } else if (matches(*argv, "fromif") == 0) {
+ struct rtnl_handle rth;
+ __u32 id;
+ NEXT_ARG();
+ if (rtnl_open(&rth, 0) == 0) {
+ ll_init_map(&rth);
+ rtnl_close(&rth);
+ }
+ if ((id=ll_name_to_index(*argv)) <= 0) {
+ fprintf(stderr, "Illegal \"fromif\"\n");
+ return -1;
+ }
+ addattr_l(n, 4096, TCA_ROUTE4_IIF, &id, 4);
+ fh &= 0xFFFF;
+ fh |= (0x8000|id)<<16;
+ } else if (matches(*argv, "classid") == 0 ||
+ strcmp(*argv, "flowid") == 0) {
+ unsigned handle;
+ NEXT_ARG();
+ if (get_tc_classid(&handle, *argv)) {
+ fprintf(stderr, "Illegal \"classid\"\n");
+ return -1;
+ }
+ addattr_l(n, 4096, TCA_ROUTE4_CLASSID, &handle, 4);
+ } else if (matches(*argv, "police") == 0) {
+ NEXT_ARG();
+ if (parse_police(&argc, &argv, TCA_ROUTE4_POLICE, n)) {
+ fprintf(stderr, "Illegal \"police\"\n");
+ return -1;
+ }
+ continue;
+ } else if (matches(*argv, "order") == 0) {
+ NEXT_ARG();
+ if (get_u32(&order, *argv, 0)) {
+ fprintf(stderr, "Illegal \"order\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "help") == 0) {
+ explain();
+ return -1;
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ argc--; argv++;
+ }
+ tail->rta_len = (((void*)n)+n->nlmsg_len) - (void*)tail;
+ if (order) {
+ fh &= ~0x7F00;
+ fh |= (order<<8)&0x7F00;
+ }
+ if (!t->tcm_handle)
+ t->tcm_handle = fh;
+ return 0;
+}
+
+static int route_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle)
+{
+ struct rtattr *tb[TCA_ROUTE4_MAX+1];
+ SPRINT_BUF(b1);
+
+ if (opt == NULL)
+ return 0;
+
+ memset(tb, 0, sizeof(tb));
+ if (opt)
+ parse_rtattr(tb, TCA_ROUTE4_MAX, RTA_DATA(opt), RTA_PAYLOAD(opt));
+
+ if (handle)
+ fprintf(f, "fh 0x%08x ", handle);
+ if (handle&0x7F00)
+ fprintf(f, "order %d ", (handle>>8)&0x7F);
+
+ if (tb[TCA_ROUTE4_CLASSID]) {
+ SPRINT_BUF(b1);
+ fprintf(f, "flowid %s ", sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_CLASSID]), b1));
+ }
+ if (tb[TCA_ROUTE4_TO])
+ fprintf(f, "to %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_TO]), b1, sizeof(b1)));
+ if (tb[TCA_ROUTE4_FROM])
+ fprintf(f, "from %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_FROM]), b1, sizeof(b1)));
+ if (tb[TCA_ROUTE4_IIF])
+ fprintf(f, "fromif %s", ll_index_to_name(*(int*)RTA_DATA(tb[TCA_ROUTE4_IIF])));
+ if (tb[TCA_ROUTE4_POLICE])
+ tc_print_police(f, tb[TCA_ROUTE4_POLICE]);
+ return 0;
+}
+
+struct filter_util route_util = {
+ NULL,
+ "route",
+ route_parse_opt,
+ route_print_opt,
+};