2 * f_route.c ROUTE filter.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
18 #include <sys/socket.h>
19 #include <netinet/in.h>
20 #include <arpa/inet.h>
25 #include "tc_common.h"
28 static void explain(void)
30 fprintf(stderr, "Usage: ... route [ from REALM | fromif TAG ] [ to REALM ]\n");
31 fprintf(stderr, " [ flowid CLASSID ] [ police POLICE_SPEC ]\n");
32 fprintf(stderr, " POLICE_SPEC := ... look at TBF\n");
33 fprintf(stderr, " CLASSID := X:Y\n");
34 fprintf(stderr, "\nNOTE: CLASSID is parsed as hexadecimal input.\n");
37 #define usage() return(-1)
39 static int route_parse_opt(struct filter_util *qu, char *handle, int argc, char **argv, struct nlmsghdr *n)
42 struct tcmsg *t = NLMSG_DATA(n);
44 __u32 fh = 0xFFFF8000;
47 memset(&tp, 0, sizeof(tp));
50 if (get_u32(&t->tcm_handle, handle, 0)) {
51 fprintf(stderr, "Illegal \"handle\"\n");
60 addattr_l(n, 4096, TCA_OPTIONS, NULL, 0);
63 if (matches(*argv, "to") == 0) {
66 if (rtnl_rtrealm_a2n(&id, *argv)) {
67 fprintf(stderr, "Illegal \"to\"\n");
70 addattr_l(n, 4096, TCA_ROUTE4_TO, &id, 4);
73 } else if (matches(*argv, "from") == 0) {
76 if (rtnl_rtrealm_a2n(&id, *argv)) {
77 fprintf(stderr, "Illegal \"from\"\n");
80 addattr_l(n, 4096, TCA_ROUTE4_FROM, &id, 4);
83 } else if (matches(*argv, "fromif") == 0) {
87 if ((id=ll_name_to_index(*argv)) <= 0) {
88 fprintf(stderr, "Illegal \"fromif\"\n");
91 addattr_l(n, 4096, TCA_ROUTE4_IIF, &id, 4);
93 fh |= (0x8000|id)<<16;
94 } else if (matches(*argv, "classid") == 0 ||
95 strcmp(*argv, "flowid") == 0) {
98 if (get_tc_classid(&handle, *argv)) {
99 fprintf(stderr, "Illegal \"classid\"\n");
102 addattr_l(n, 4096, TCA_ROUTE4_CLASSID, &handle, 4);
103 } else if (matches(*argv, "police") == 0) {
105 if (parse_police(&argc, &argv, TCA_ROUTE4_POLICE, n)) {
106 fprintf(stderr, "Illegal \"police\"\n");
110 } else if (matches(*argv, "order") == 0) {
112 if (get_u32(&order, *argv, 0)) {
113 fprintf(stderr, "Illegal \"order\"\n");
116 } else if (strcmp(*argv, "help") == 0) {
120 fprintf(stderr, "What is \"%s\"?\n", *argv);
126 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
129 fh |= (order<<8)&0x7F00;
136 static int route_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle)
138 struct rtattr *tb[TCA_ROUTE4_MAX+1];
144 parse_rtattr_nested(tb, TCA_ROUTE4_MAX, opt);
147 fprintf(f, "fh 0x%08x ", handle);
149 fprintf(f, "order %d ", (handle>>8)&0x7F);
151 if (tb[TCA_ROUTE4_CLASSID]) {
153 fprintf(f, "flowid %s ", sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_CLASSID]), b1));
155 if (tb[TCA_ROUTE4_TO])
156 fprintf(f, "to %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_TO]), b1, sizeof(b1)));
157 if (tb[TCA_ROUTE4_FROM])
158 fprintf(f, "from %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_FROM]), b1, sizeof(b1)));
159 if (tb[TCA_ROUTE4_IIF])
160 fprintf(f, "fromif %s", ll_index_to_name(*(int*)RTA_DATA(tb[TCA_ROUTE4_IIF])));
161 if (tb[TCA_ROUTE4_POLICE])
162 tc_print_police(f, tb[TCA_ROUTE4_POLICE]);
166 struct filter_util route_filter_util = {
168 .parse_fopt = route_parse_opt,
169 .print_fopt = route_print_opt,