osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * tc_filter.c "tc filter". |
| 3 | * |
| 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. |
| 8 | * |
| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <stdio.h> |
| 14 | #include <stdlib.h> |
| 15 | #include <unistd.h> |
| 16 | #include <syslog.h> |
| 17 | #include <fcntl.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 18 | #include <sys/socket.h> |
| 19 | #include <netinet/in.h> |
| 20 | #include <arpa/inet.h> |
| 21 | #include <string.h> |
| 22 | #include <linux/if_ether.h> |
| 23 | |
| 24 | #include "rt_names.h" |
| 25 | #include "utils.h" |
| 26 | #include "tc_util.h" |
| 27 | #include "tc_common.h" |
| 28 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 29 | static void usage(void) |
| 30 | { |
Hasso Tepper | e5d179d | 2006-12-10 16:33:05 +0200 | [diff] [blame] | 31 | fprintf(stderr, "Usage: tc filter [ add | del | change | replace | show ] dev STRING\n"); |
Stephen Hemminger | de33a43 | 2008-02-07 19:25:26 -0800 | [diff] [blame] | 32 | fprintf(stderr, " [ pref PRIO ] protocol PROTO\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 33 | fprintf(stderr, " [ estimator INTERVAL TIME_CONSTANT ]\n"); |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 34 | fprintf(stderr, " [ root | ingress | egress | parent CLASSID ]\n"); |
| 35 | fprintf(stderr, " [ handle FILTERID ] [ [ FILTER_TYPE ] [ help | OPTIONS ] ]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 36 | fprintf(stderr, "\n"); |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 37 | fprintf(stderr, " tc filter show [ dev STRING ] [ root | ingress | egress | parent CLASSID ]\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 38 | fprintf(stderr, "Where:\n"); |
Daniel Borkmann | 4bd6244 | 2015-04-16 21:20:06 +0200 | [diff] [blame] | 39 | fprintf(stderr, "FILTER_TYPE := { rsvp | u32 | bpf | fw | route | etc. }\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 40 | fprintf(stderr, "FILTERID := ... format depends on classifier, see there\n"); |
| 41 | fprintf(stderr, "OPTIONS := ... try tc filter add <desired FILTER_KIND> help\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 42 | } |
| 43 | |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 44 | static int tc_filter_modify(int cmd, unsigned int flags, int argc, char **argv) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 45 | { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 46 | struct { |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 47 | struct nlmsghdr n; |
| 48 | struct tcmsg t; |
| 49 | char buf[MAX_MSG]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 50 | } req; |
| 51 | struct filter_util *q = NULL; |
| 52 | __u32 prio = 0; |
Patrick McHardy | ae76106 | 2008-06-23 15:59:18 +0200 | [diff] [blame] | 53 | __u32 protocol = 0; |
Patrick McHardy | 083a5f0 | 2008-03-26 07:40:03 +0100 | [diff] [blame] | 54 | int protocol_set = 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 55 | char *fhandle = NULL; |
| 56 | char d[16]; |
| 57 | char k[16]; |
| 58 | struct tc_estimator est; |
| 59 | |
| 60 | memset(&req, 0, sizeof(req)); |
| 61 | memset(&est, 0, sizeof(est)); |
| 62 | memset(d, 0, sizeof(d)); |
| 63 | memset(k, 0, sizeof(k)); |
| 64 | memset(&req, 0, sizeof(req)); |
| 65 | |
| 66 | req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)); |
| 67 | req.n.nlmsg_flags = NLM_F_REQUEST|flags; |
| 68 | req.n.nlmsg_type = cmd; |
| 69 | req.t.tcm_family = AF_UNSPEC; |
| 70 | |
Patrick McHardy | ae76106 | 2008-06-23 15:59:18 +0200 | [diff] [blame] | 71 | if (cmd == RTM_NEWTFILTER && flags & NLM_F_CREATE) |
Florian Westphal | 05fb918 | 2011-07-27 06:47:05 +0000 | [diff] [blame] | 72 | protocol = htons(ETH_P_ALL); |
Patrick McHardy | ae76106 | 2008-06-23 15:59:18 +0200 | [diff] [blame] | 73 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 74 | while (argc > 0) { |
| 75 | if (strcmp(*argv, "dev") == 0) { |
| 76 | NEXT_ARG(); |
| 77 | if (d[0]) |
| 78 | duparg("dev", *argv); |
| 79 | strncpy(d, *argv, sizeof(d)-1); |
| 80 | } else if (strcmp(*argv, "root") == 0) { |
| 81 | if (req.t.tcm_parent) { |
| 82 | fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 83 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 84 | } |
| 85 | req.t.tcm_parent = TC_H_ROOT; |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 86 | } else if (strcmp(*argv, "ingress") == 0) { |
| 87 | if (req.t.tcm_parent) { |
| 88 | fprintf(stderr, "Error: \"ingress\" is duplicate parent ID\n"); |
| 89 | return -1; |
| 90 | } |
| 91 | req.t.tcm_parent = TC_H_MAKE(TC_H_CLSACT, |
| 92 | TC_H_MIN_INGRESS); |
| 93 | } else if (strcmp(*argv, "egress") == 0) { |
| 94 | if (req.t.tcm_parent) { |
| 95 | fprintf(stderr, "Error: \"egress\" is duplicate parent ID\n"); |
| 96 | return -1; |
| 97 | } |
| 98 | req.t.tcm_parent = TC_H_MAKE(TC_H_CLSACT, |
| 99 | TC_H_MIN_EGRESS); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 100 | } else if (strcmp(*argv, "parent") == 0) { |
| 101 | __u32 handle; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 102 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 103 | NEXT_ARG(); |
| 104 | if (req.t.tcm_parent) |
| 105 | duparg("parent", *argv); |
| 106 | if (get_tc_classid(&handle, *argv)) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 107 | invarg("Invalid parent ID", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 108 | req.t.tcm_parent = handle; |
| 109 | } else if (strcmp(*argv, "handle") == 0) { |
| 110 | NEXT_ARG(); |
| 111 | if (fhandle) |
| 112 | duparg("handle", *argv); |
| 113 | fhandle = *argv; |
| 114 | } else if (matches(*argv, "preference") == 0 || |
| 115 | matches(*argv, "priority") == 0) { |
| 116 | NEXT_ARG(); |
| 117 | if (prio) |
| 118 | duparg("priority", *argv); |
Li Wei | 424adc1 | 2012-07-10 16:45:28 +0800 | [diff] [blame] | 119 | if (get_u32(&prio, *argv, 0) || prio > 0xFFFF) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 120 | invarg("invalid priority value", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 121 | } else if (matches(*argv, "protocol") == 0) { |
| 122 | __u16 id; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 123 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 124 | NEXT_ARG(); |
Patrick McHardy | 083a5f0 | 2008-03-26 07:40:03 +0100 | [diff] [blame] | 125 | if (protocol_set) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 126 | duparg("protocol", *argv); |
| 127 | if (ll_proto_a2n(&id, *argv)) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 128 | invarg("invalid protocol", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 129 | protocol = id; |
Patrick McHardy | 083a5f0 | 2008-03-26 07:40:03 +0100 | [diff] [blame] | 130 | protocol_set = 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 131 | } else if (matches(*argv, "estimator") == 0) { |
| 132 | if (parse_estimator(&argc, &argv, &est) < 0) |
| 133 | return -1; |
| 134 | } else if (matches(*argv, "help") == 0) { |
| 135 | usage(); |
Stephen Hemminger | 3a99df7 | 2008-10-13 07:00:48 -0700 | [diff] [blame] | 136 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 137 | } else { |
| 138 | strncpy(k, *argv, sizeof(k)-1); |
| 139 | |
| 140 | q = get_filter_kind(k); |
| 141 | argc--; argv++; |
| 142 | break; |
| 143 | } |
| 144 | |
| 145 | argc--; argv++; |
| 146 | } |
| 147 | |
| 148 | req.t.tcm_info = TC_H_MAKE(prio<<16, protocol); |
| 149 | |
| 150 | if (k[0]) |
| 151 | addattr_l(&req.n, sizeof(req), TCA_KIND, k, strlen(k)+1); |
| 152 | |
| 153 | if (q) { |
| 154 | if (q->parse_fopt(q, fhandle, argc, argv, &req.n)) |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 155 | return 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 156 | } else { |
| 157 | if (fhandle) { |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 158 | fprintf(stderr, "Must specify filter type when using \"handle\"\n"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 159 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 160 | } |
| 161 | if (argc) { |
| 162 | if (matches(*argv, "help") == 0) |
| 163 | usage(); |
| 164 | fprintf(stderr, "Garbage instead of arguments \"%s ...\". Try \"tc filter help\".\n", *argv); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 165 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 166 | } |
| 167 | } |
| 168 | if (est.ewma_log) |
| 169 | addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est)); |
| 170 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 171 | |
| 172 | if (d[0]) { |
Stephen Hemminger | 3d0b743 | 2014-12-20 15:47:17 -0800 | [diff] [blame] | 173 | ll_init_map(&rth); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 174 | |
| 175 | if ((req.t.tcm_ifindex = ll_name_to_index(d)) == 0) { |
| 176 | fprintf(stderr, "Cannot find device \"%s\"\n", d); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 177 | return 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 178 | } |
| 179 | } |
| 180 | |
Stephen Hemminger | c079e12 | 2015-05-27 12:26:14 -0700 | [diff] [blame] | 181 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) { |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 182 | fprintf(stderr, "We have an error talking to the kernel\n"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 183 | return 2; |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 184 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 185 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static __u32 filter_parent; |
| 190 | static int filter_ifindex; |
| 191 | static __u32 filter_prio; |
| 192 | static __u32 filter_protocol; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 193 | __u16 f_proto; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 194 | |
Jamal Hadi Salim | 5bec348 | 2006-08-08 11:55:15 -0700 | [diff] [blame] | 195 | int print_filter(const struct sockaddr_nl *who, |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 196 | struct nlmsghdr *n, |
osdl.net!shemminger | de48178 | 2004-08-31 17:45:21 +0000 | [diff] [blame] | 197 | void *arg) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 198 | { |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 199 | FILE *fp = (FILE *)arg; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 200 | struct tcmsg *t = NLMSG_DATA(n); |
| 201 | int len = n->nlmsg_len; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 202 | struct rtattr *tb[TCA_MAX+1]; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 203 | struct filter_util *q; |
| 204 | char abuf[256]; |
| 205 | |
| 206 | if (n->nlmsg_type != RTM_NEWTFILTER && n->nlmsg_type != RTM_DELTFILTER) { |
| 207 | fprintf(stderr, "Not a filter\n"); |
| 208 | return 0; |
| 209 | } |
| 210 | len -= NLMSG_LENGTH(sizeof(*t)); |
| 211 | if (len < 0) { |
| 212 | fprintf(stderr, "Wrong len %d\n", len); |
| 213 | return -1; |
| 214 | } |
| 215 | |
| 216 | memset(tb, 0, sizeof(tb)); |
| 217 | parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len); |
| 218 | |
| 219 | if (tb[TCA_KIND] == NULL) { |
osdl.net!shemminger | 2373fde | 2004-08-13 23:54:55 +0000 | [diff] [blame] | 220 | fprintf(stderr, "print_filter: NULL kind\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 221 | return -1; |
| 222 | } |
| 223 | |
| 224 | if (n->nlmsg_type == RTM_DELTFILTER) |
| 225 | fprintf(fp, "deleted "); |
| 226 | |
| 227 | fprintf(fp, "filter "); |
| 228 | if (!filter_ifindex || filter_ifindex != t->tcm_ifindex) |
| 229 | fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex)); |
| 230 | |
| 231 | if (!filter_parent || filter_parent != t->tcm_parent) { |
| 232 | if (t->tcm_parent == TC_H_ROOT) |
| 233 | fprintf(fp, "root "); |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 234 | else if (t->tcm_parent == TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS)) |
| 235 | fprintf(fp, "ingress "); |
| 236 | else if (t->tcm_parent == TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_EGRESS)) |
| 237 | fprintf(fp, "egress "); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 238 | else { |
| 239 | print_tc_classid(abuf, sizeof(abuf), t->tcm_parent); |
| 240 | fprintf(fp, "parent %s ", abuf); |
| 241 | } |
| 242 | } |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 243 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 244 | if (t->tcm_info) { |
jamal | eefcbc7 | 2008-04-20 10:47:48 -0400 | [diff] [blame] | 245 | f_proto = TC_H_MIN(t->tcm_info); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 246 | __u32 prio = TC_H_MAJ(t->tcm_info)>>16; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 247 | |
jamal | eefcbc7 | 2008-04-20 10:47:48 -0400 | [diff] [blame] | 248 | if (!filter_protocol || filter_protocol != f_proto) { |
| 249 | if (f_proto) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 250 | SPRINT_BUF(b1); |
| 251 | fprintf(fp, "protocol %s ", |
jamal | eefcbc7 | 2008-04-20 10:47:48 -0400 | [diff] [blame] | 252 | ll_proto_n2a(f_proto, b1, sizeof(b1))); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 253 | } |
| 254 | } |
| 255 | if (!filter_prio || filter_prio != prio) { |
| 256 | if (prio) |
| 257 | fprintf(fp, "pref %u ", prio); |
| 258 | } |
| 259 | } |
Stephen Hemminger | ff24746 | 2012-04-10 08:47:55 -0700 | [diff] [blame] | 260 | fprintf(fp, "%s ", rta_getattr_str(tb[TCA_KIND])); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 261 | q = get_filter_kind(RTA_DATA(tb[TCA_KIND])); |
| 262 | if (tb[TCA_OPTIONS]) { |
| 263 | if (q) |
| 264 | q->print_fopt(q, fp, tb[TCA_OPTIONS], t->tcm_handle); |
| 265 | else |
| 266 | fprintf(fp, "[cannot parse parameters]"); |
| 267 | } |
| 268 | fprintf(fp, "\n"); |
| 269 | |
ch[shemminger]!tgraf | e5879dc | 2004-12-07 23:52:52 +0000 | [diff] [blame] | 270 | if (show_stats && (tb[TCA_STATS] || tb[TCA_STATS2])) { |
| 271 | print_tcstats_attr(fp, tb, " ", NULL); |
osdl.net!shemminger | de48178 | 2004-08-31 17:45:21 +0000 | [diff] [blame] | 272 | fprintf(fp, "\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 273 | } |
osdl.net!shemminger | de48178 | 2004-08-31 17:45:21 +0000 | [diff] [blame] | 274 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 275 | fflush(fp); |
| 276 | return 0; |
| 277 | } |
| 278 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 279 | static int tc_filter_list(int argc, char **argv) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 280 | { |
| 281 | struct tcmsg t; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 282 | char d[16]; |
| 283 | __u32 prio = 0; |
| 284 | __u32 protocol = 0; |
| 285 | char *fhandle = NULL; |
| 286 | |
| 287 | memset(&t, 0, sizeof(t)); |
| 288 | t.tcm_family = AF_UNSPEC; |
| 289 | memset(d, 0, sizeof(d)); |
| 290 | |
| 291 | while (argc > 0) { |
| 292 | if (strcmp(*argv, "dev") == 0) { |
| 293 | NEXT_ARG(); |
| 294 | if (d[0]) |
| 295 | duparg("dev", *argv); |
| 296 | strncpy(d, *argv, sizeof(d)-1); |
| 297 | } else if (strcmp(*argv, "root") == 0) { |
| 298 | if (t.tcm_parent) { |
| 299 | fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 300 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 301 | } |
| 302 | filter_parent = t.tcm_parent = TC_H_ROOT; |
Daniel Borkmann | 8f9afdd | 2016-01-12 01:42:20 +0100 | [diff] [blame] | 303 | } else if (strcmp(*argv, "ingress") == 0) { |
| 304 | if (t.tcm_parent) { |
| 305 | fprintf(stderr, "Error: \"ingress\" is duplicate parent ID\n"); |
| 306 | return -1; |
| 307 | } |
| 308 | filter_parent = TC_H_MAKE(TC_H_CLSACT, |
| 309 | TC_H_MIN_INGRESS); |
| 310 | t.tcm_parent = filter_parent; |
| 311 | } else if (strcmp(*argv, "egress") == 0) { |
| 312 | if (t.tcm_parent) { |
| 313 | fprintf(stderr, "Error: \"egress\" is duplicate parent ID\n"); |
| 314 | return -1; |
| 315 | } |
| 316 | filter_parent = TC_H_MAKE(TC_H_CLSACT, |
| 317 | TC_H_MIN_EGRESS); |
| 318 | t.tcm_parent = filter_parent; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 319 | } else if (strcmp(*argv, "parent") == 0) { |
| 320 | __u32 handle; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 321 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 322 | NEXT_ARG(); |
| 323 | if (t.tcm_parent) |
| 324 | duparg("parent", *argv); |
| 325 | if (get_tc_classid(&handle, *argv)) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 326 | invarg("invalid parent ID", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 327 | filter_parent = t.tcm_parent = handle; |
| 328 | } else if (strcmp(*argv, "handle") == 0) { |
| 329 | NEXT_ARG(); |
| 330 | if (fhandle) |
| 331 | duparg("handle", *argv); |
| 332 | fhandle = *argv; |
| 333 | } else if (matches(*argv, "preference") == 0 || |
| 334 | matches(*argv, "priority") == 0) { |
| 335 | NEXT_ARG(); |
| 336 | if (prio) |
| 337 | duparg("priority", *argv); |
| 338 | if (get_u32(&prio, *argv, 0)) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 339 | invarg("invalid preference", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 340 | filter_prio = prio; |
| 341 | } else if (matches(*argv, "protocol") == 0) { |
| 342 | __u16 res; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 343 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 344 | NEXT_ARG(); |
| 345 | if (protocol) |
| 346 | duparg("protocol", *argv); |
| 347 | if (ll_proto_a2n(&res, *argv)) |
Dan Kenigsberg | f1675d6 | 2012-08-16 02:25:56 +0000 | [diff] [blame] | 348 | invarg("invalid protocol", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 349 | protocol = res; |
| 350 | filter_protocol = protocol; |
| 351 | } else if (matches(*argv, "help") == 0) { |
| 352 | usage(); |
| 353 | } else { |
| 354 | fprintf(stderr, " What is \"%s\"? Try \"tc filter help\"\n", *argv); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 355 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | argc--; argv++; |
| 359 | } |
| 360 | |
| 361 | t.tcm_info = TC_H_MAKE(prio<<16, protocol); |
| 362 | |
Stephen Hemminger | 3d0b743 | 2014-12-20 15:47:17 -0800 | [diff] [blame] | 363 | ll_init_map(&rth); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 364 | |
| 365 | if (d[0]) { |
| 366 | if ((t.tcm_ifindex = ll_name_to_index(d)) == 0) { |
| 367 | fprintf(stderr, "Cannot find device \"%s\"\n", d); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 368 | return 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 369 | } |
| 370 | filter_ifindex = t.tcm_ifindex; |
| 371 | } |
| 372 | |
Stephen Hemminger | 3d0b743 | 2014-12-20 15:47:17 -0800 | [diff] [blame] | 373 | if (rtnl_dump_request(&rth, RTM_GETTFILTER, &t, sizeof(t)) < 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 374 | perror("Cannot send dump request"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 375 | return 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 376 | } |
| 377 | |
Stephen Hemminger | 3d0b743 | 2014-12-20 15:47:17 -0800 | [diff] [blame] | 378 | if (rtnl_dump_filter(&rth, print_filter, stdout) < 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 379 | fprintf(stderr, "Dump terminated\n"); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 380 | return 1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 381 | } |
| 382 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | int do_filter(int argc, char **argv) |
| 387 | { |
| 388 | if (argc < 1) |
| 389 | return tc_filter_list(0, NULL); |
| 390 | if (matches(*argv, "add") == 0) |
| 391 | return tc_filter_modify(RTM_NEWTFILTER, NLM_F_EXCL|NLM_F_CREATE, argc-1, argv+1); |
| 392 | if (matches(*argv, "change") == 0) |
| 393 | return tc_filter_modify(RTM_NEWTFILTER, 0, argc-1, argv+1); |
| 394 | if (matches(*argv, "replace") == 0) |
| 395 | return tc_filter_modify(RTM_NEWTFILTER, NLM_F_CREATE, argc-1, argv+1); |
| 396 | if (matches(*argv, "delete") == 0) |
| 397 | return tc_filter_modify(RTM_DELTFILTER, 0, argc-1, argv+1); |
| 398 | #if 0 |
| 399 | if (matches(*argv, "get") == 0) |
| 400 | return tc_filter_get(RTM_GETTFILTER, 0, argc-1, argv+1); |
| 401 | #endif |
| 402 | if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 |
| 403 | || matches(*argv, "lst") == 0) |
| 404 | return tc_filter_list(argc-1, argv+1); |
Hasso Tepper | e5d179d | 2006-12-10 16:33:05 +0200 | [diff] [blame] | 405 | if (matches(*argv, "help") == 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 406 | usage(); |
Hasso Tepper | e5d179d | 2006-12-10 16:33:05 +0200 | [diff] [blame] | 407 | return 0; |
Stephen Hemminger | 32a121c | 2016-03-21 11:48:36 -0700 | [diff] [blame] | 408 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 409 | fprintf(stderr, "Command \"%s\" is unknown, try \"tc filter help\".\n", *argv); |
osdl.net!shemminger | 024481b | 2005-03-14 19:02:41 +0000 | [diff] [blame] | 410 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 411 | } |