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Diffstat (limited to 'polux/application/iproute2/tc/f_fw.c')
-rw-r--r--polux/application/iproute2/tc/f_fw.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/polux/application/iproute2/tc/f_fw.c b/polux/application/iproute2/tc/f_fw.c
new file mode 100644
index 0000000000..3c5e3e2faf
--- /dev/null
+++ b/polux/application/iproute2/tc/f_fw.c
@@ -0,0 +1,116 @@
+/*
+ * f_fw.c FW filter.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+#include "utils.h"
+#include "tc_util.h"
+
+static void explain(void)
+{
+ fprintf(stderr, "Usage: ... fw [ classid CLASSID ] [ police POLICE_SPEC ]\n");
+ fprintf(stderr, " POLICE_SPEC := ... look at TBF\n");
+ fprintf(stderr, " CLASSID := X:Y\n");
+}
+
+#define usage() return(-1)
+
+static int fw_parse_opt(struct filter_util *qu, char *handle, int argc, char **argv, struct nlmsghdr *n)
+{
+ struct tc_police tp;
+ struct tcmsg *t = NLMSG_DATA(n);
+ struct rtattr *tail;
+
+ memset(&tp, 0, sizeof(tp));
+
+ if (handle) {
+ if (get_u32(&t->tcm_handle, handle, 0)) {
+ fprintf(stderr, "Illegal \"handle\"\n");
+ return -1;
+ }
+ }
+
+ if (argc == 0)
+ return 0;
+
+ tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
+ addattr_l(n, 4096, TCA_OPTIONS, NULL, 0);
+
+ while (argc > 0) {
+ if (matches(*argv, "classid") == 0 ||
+ matches(*argv, "flowid") == 0) {
+ unsigned handle;
+ NEXT_ARG();
+ if (get_tc_classid(&handle, *argv)) {
+ fprintf(stderr, "Illegal \"classid\"\n");
+ return -1;
+ }
+ addattr_l(n, 4096, TCA_FW_CLASSID, &handle, 4);
+ } else if (matches(*argv, "police") == 0) {
+ NEXT_ARG();
+ if (parse_police(&argc, &argv, TCA_FW_POLICE, n)) {
+ fprintf(stderr, "Illegal \"police\"\n");
+ return -1;
+ }
+ continue;
+ } else if (strcmp(*argv, "help") == 0) {
+ explain();
+ return -1;
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ argc--; argv++;
+ }
+ tail->rta_len = (((void*)n)+n->nlmsg_len) - (void*)tail;
+ return 0;
+}
+
+static int fw_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt, __u32 handle)
+{
+ struct rtattr *tb[TCA_FW_MAX+1];
+
+ if (opt == NULL)
+ return 0;
+
+ memset(tb, 0, sizeof(tb));
+ if (opt)
+ parse_rtattr(tb, TCA_FW_MAX, RTA_DATA(opt), RTA_PAYLOAD(opt));
+
+ if (handle)
+ fprintf(f, "handle 0x%x ", handle);
+
+ if (tb[TCA_FW_CLASSID]) {
+ SPRINT_BUF(b1);
+ fprintf(f, "classid %s ", sprint_tc_classid(*(__u32*)RTA_DATA(tb[TCA_FW_CLASSID]), b1));
+ }
+
+ if (tb[TCA_FW_POLICE])
+ tc_print_police(f, tb[TCA_FW_POLICE]);
+ return 0;
+}
+
+struct filter_util fw_util = {
+ NULL,
+ "fw",
+ fw_parse_opt,
+ fw_print_opt,
+};