2 * m_connmark.c Connection tracking marking import
4 * Copyright (c) 2011 Felix Fietkau <nbd@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, see <http://www.gnu.org/licenses>.
25 #include <linux/tc_act/tc_connmark.h>
31 "Usage: ... connmark [zone ZONE] [CONTROL] [index <INDEX>]\n"
33 "\tZONE is the conntrack zone\n"
34 "\tCONTROL := reclassify | pipe | drop | continue | ok |\n"
35 "\t goto chain <CHAIN_INDEX>\n");
46 parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
49 struct tc_connmark sel = {};
50 char **argv = *argv_p;
56 if (matches(*argv, "connmark") == 0) {
60 } else if (matches(*argv, "help") == 0) {
74 if (matches(*argv, "zone") == 0) {
76 if (get_u16(&sel.zone, *argv, 10)) {
77 fprintf(stderr, "connmark: Illegal \"zone\"\n");
85 parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_PIPE);
88 if (matches(*argv, "index") == 0) {
90 if (get_u32(&sel.index, *argv, 10)) {
91 fprintf(stderr, "connmark: Illegal \"index\"\n");
99 tail = addattr_nest(n, MAX_MSG, tca_id);
100 addattr_l(n, MAX_MSG, TCA_CONNMARK_PARMS, &sel, sizeof(sel));
101 addattr_nest_end(n, tail);
108 static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg)
110 struct rtattr *tb[TCA_CONNMARK_MAX + 1];
111 struct tc_connmark *ci;
116 parse_rtattr_nested(tb, TCA_CONNMARK_MAX, arg);
117 if (tb[TCA_CONNMARK_PARMS] == NULL) {
118 fprintf(stderr, "Missing connmark parameters\n");
122 ci = RTA_DATA(tb[TCA_CONNMARK_PARMS]);
124 print_string(PRINT_ANY, "kind", "%s ", "connmark");
125 print_uint(PRINT_ANY, "zone", "zone %u", ci->zone);
126 print_action_control(f, " ", ci->action, "");
128 print_string(PRINT_FP, NULL, "%s", _SL_);
129 print_uint(PRINT_ANY, "index", "\t index %u", ci->index);
130 print_int(PRINT_ANY, "ref", " ref %d", ci->refcnt);
131 print_int(PRINT_ANY, "bind", " bind %d", ci->bindcnt);
134 if (tb[TCA_CONNMARK_TM]) {
135 struct tcf_t *tm = RTA_DATA(tb[TCA_CONNMARK_TM]);
140 print_string(PRINT_FP, NULL, "%s", _SL_);
145 struct action_util connmark_action_util = {
147 .parse_aopt = parse_connmark,
148 .print_aopt = print_connmark,