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");
36 #define usage() return(-1)
38 static int route_parse_opt(struct filter_util *qu, char *handle, int argc, char **argv, struct nlmsghdr *n)
41 struct tcmsg *t = NLMSG_DATA(n);
43 __u32 fh = 0xFFFF8000;
46 memset(&tp, 0, sizeof(tp));
49 if (get_u32(&t->tcm_handle, handle, 0)) {
50 fprintf(stderr, "Illegal \"handle\"\n");
59 addattr_l(n, 4096, TCA_OPTIONS, NULL, 0);
62 if (matches(*argv, "to") == 0) {
65 if (rtnl_rtrealm_a2n(&id, *argv)) {
66 fprintf(stderr, "Illegal \"to\"\n");
69 addattr_l(n, 4096, TCA_ROUTE4_TO, &id, 4);
72 } else if (matches(*argv, "from") == 0) {
75 if (rtnl_rtrealm_a2n(&id, *argv)) {
76 fprintf(stderr, "Illegal \"from\"\n");
79 addattr_l(n, 4096, TCA_ROUTE4_FROM, &id, 4);
82 } else if (matches(*argv, "fromif") == 0) {
86 if ((id=ll_name_to_index(*argv)) <= 0) {
87 fprintf(stderr, "Illegal \"fromif\"\n");
90 addattr_l(n, 4096, TCA_ROUTE4_IIF, &id, 4);
92 fh |= (0x8000|id)<<16;
93 } else if (matches(*argv, "classid") == 0 ||
94 strcmp(*argv, "flowid") == 0) {
97 if (get_tc_classid(&handle, *argv)) {
98 fprintf(stderr, "Illegal \"classid\"\n");
101 addattr_l(n, 4096, TCA_ROUTE4_CLASSID, &handle, 4);
102 } else if (matches(*argv, "police") == 0) {
104 if (parse_police(&argc, &argv, TCA_ROUTE4_POLICE, n)) {
105 fprintf(stderr, "Illegal \"police\"\n");
109 } else if (matches(*argv, "order") == 0) {
111 if (get_u32(&order, *argv, 0)) {
112 fprintf(stderr, "Illegal \"order\"\n");
115 } else if (strcmp(*argv, "help") == 0) {
119 fprintf(stderr, "What is \"%s\"?\n", *argv);
125 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
128 fh |= (order<<8)&0x7F00;
135 static int route_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle)
137 struct rtattr *tb[TCA_ROUTE4_MAX+1];
143 parse_rtattr_nested(tb, TCA_ROUTE4_MAX, opt);
146 fprintf(f, "fh 0x%08x ", handle);
148 fprintf(f, "order %d ", (handle>>8)&0x7F);
150 if (tb[TCA_ROUTE4_CLASSID]) {
152 fprintf(f, "flowid %s ", sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_CLASSID]), b1));
154 if (tb[TCA_ROUTE4_TO])
155 fprintf(f, "to %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_TO]), b1, sizeof(b1)));
156 if (tb[TCA_ROUTE4_FROM])
157 fprintf(f, "from %s ", rtnl_rtrealm_n2a(*(__u32*)RTA_DATA(tb[TCA_ROUTE4_FROM]), b1, sizeof(b1)));
158 if (tb[TCA_ROUTE4_IIF])
159 fprintf(f, "fromif %s", ll_index_to_name(*(int*)RTA_DATA(tb[TCA_ROUTE4_IIF])));
160 if (tb[TCA_ROUTE4_POLICE])
161 tc_print_police(f, tb[TCA_ROUTE4_POLICE]);
165 struct filter_util route_filter_util = {
167 .parse_fopt = route_parse_opt,
168 .print_fopt = route_print_opt,