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
,