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-rw-r--r--tc/m_connmark.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/tc/m_connmark.c b/tc/m_connmark.c
new file mode 100644
index 0000000..640bba9
--- /dev/null
+++ b/tc/m_connmark.c
@@ -0,0 +1,149 @@
+/*
+ * m_connmark.c Connection tracking marking import
+ *
+ * Copyright (c) 2011 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include "utils.h"
+#include "tc_util.h"
+#include <linux/tc_act/tc_connmark.h>
+
+static void
+explain(void)
+{
+ fprintf(stderr,
+ "Usage: ... connmark [zone ZONE] [CONTROL] [index <INDEX>]\n"
+ "where :\n"
+ "\tZONE is the conntrack zone\n"
+ "\tCONTROL := reclassify | pipe | drop | continue | ok |\n"
+ "\t goto chain <CHAIN_INDEX>\n");
+}
+
+static void
+usage(void)
+{
+ explain();
+ exit(-1);
+}
+
+static int
+parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
+ struct nlmsghdr *n)
+{
+ struct tc_connmark sel = {};
+ char **argv = *argv_p;
+ int argc = *argc_p;
+ int ok = 0;
+ struct rtattr *tail;
+
+ while (argc > 0) {
+ if (matches(*argv, "connmark") == 0) {
+ ok = 1;
+ argc--;
+ argv++;
+ } else if (matches(*argv, "help") == 0) {
+ usage();
+ } else {
+ break;
+ }
+
+ }
+
+ if (!ok) {
+ explain();
+ return -1;
+ }
+
+ if (argc) {
+ if (matches(*argv, "zone") == 0) {
+ NEXT_ARG();
+ if (get_u16(&sel.zone, *argv, 10)) {
+ fprintf(stderr, "connmark: Illegal \"zone\"\n");
+ return -1;
+ }
+ argc--;
+ argv++;
+ }
+ }
+
+ parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_PIPE);
+
+ if (argc) {
+ if (matches(*argv, "index") == 0) {
+ NEXT_ARG();
+ if (get_u32(&sel.index, *argv, 10)) {
+ fprintf(stderr, "connmark: Illegal \"index\"\n");
+ return -1;
+ }
+ argc--;
+ argv++;
+ }
+ }
+
+ tail = addattr_nest(n, MAX_MSG, tca_id);
+ addattr_l(n, MAX_MSG, TCA_CONNMARK_PARMS, &sel, sizeof(sel));
+ addattr_nest_end(n, tail);
+
+ *argc_p = argc;
+ *argv_p = argv;
+ return 0;
+}
+
+static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg)
+{
+ struct rtattr *tb[TCA_CONNMARK_MAX + 1];
+ struct tc_connmark *ci;
+
+ print_string(PRINT_ANY, "kind", "%s ", "connmark");
+ if (arg == NULL)
+ return 0;
+
+ parse_rtattr_nested(tb, TCA_CONNMARK_MAX, arg);
+ if (tb[TCA_CONNMARK_PARMS] == NULL) {
+ fprintf(stderr, "Missing connmark parameters\n");
+ return -1;
+ }
+
+ ci = RTA_DATA(tb[TCA_CONNMARK_PARMS]);
+
+ print_uint(PRINT_ANY, "zone", "zone %u", ci->zone);
+ print_action_control(f, " ", ci->action, "");
+
+ print_nl();
+ print_uint(PRINT_ANY, "index", "\t index %u", ci->index);
+ print_int(PRINT_ANY, "ref", " ref %d", ci->refcnt);
+ print_int(PRINT_ANY, "bind", " bind %d", ci->bindcnt);
+
+ if (show_stats) {
+ if (tb[TCA_CONNMARK_TM]) {
+ struct tcf_t *tm = RTA_DATA(tb[TCA_CONNMARK_TM]);
+
+ print_tm(f, tm);
+ }
+ }
+ print_nl();
+
+ return 0;
+}
+
+struct action_util connmark_action_util = {
+ .id = "connmark",
+ .parse_aopt = parse_connmark,
+ .print_aopt = print_connmark,
+};