Adding upstream version 6.1.0.upstream/6.1.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 194 insertions, 0 deletions

diff --git a/bridge/bridge.c b/bridge/bridge.c
new file mode 100644
index 0000000..704be50
--- /dev/null
+++ b/bridge/bridge.c
@@ -0,0 +1,194 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Get/set/delete bridge with netlink
+ *
+ * Authors:	Stephen Hemminger <shemminger@vyatta.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <string.h>
+#include <errno.h>
+
+#include "version.h"
+#include "utils.h"
+#include "br_common.h"
+#include "namespace.h"
+#include "color.h"
+
+struct rtnl_handle rth = { .fd = -1 };
+int preferred_family = AF_UNSPEC;
+int oneline;
+int show_stats;
+int show_details;
+static int color;
+int compress_vlans;
+int json;
+int timestamp;
+static const char *batch_file;
+int force;
+
+static void usage(void) __attribute__((noreturn));
+
+static void usage(void)
+{
+	fprintf(stderr,
+"Usage: bridge [ OPTIONS ] OBJECT { COMMAND | help }\n"
+"       bridge [ -force ] -batch filename\n"
+"where  OBJECT := { link | fdb | mdb | vlan | monitor }\n"
+"       OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] |\n"
+"                    -o[neline] | -t[imestamp] | -n[etns] name |\n"
+"                    -c[ompressvlans] -color -p[retty] -j[son] }\n");
+	exit(-1);
+}
+
+static int do_help(int argc, char **argv)
+{
+	usage();
+}
+
+
+static const struct cmd {
+	const char *cmd;
+	int (*func)(int argc, char **argv);
+} cmds[] = {
+	{ "link",	do_link },
+	{ "fdb",	do_fdb },
+	{ "mdb",	do_mdb },
+	{ "vlan",	do_vlan },
+	{ "vni",	do_vni },
+	{ "monitor",	do_monitor },
+	{ "help",	do_help },
+	{ 0 }
+};
+
+static int do_cmd(const char *argv0, int argc, char **argv)
+{
+	const struct cmd *c;
+
+	for (c = cmds; c->cmd; ++c) {
+		if (matches(argv0, c->cmd) == 0)
+			return c->func(argc-1, argv+1);
+	}
+
+	fprintf(stderr,
+		"Object \"%s\" is unknown, try \"bridge help\".\n", argv0);
+	return -1;
+}
+
+static int br_batch_cmd(int argc, char *argv[], void *data)
+{
+	return do_cmd(argv[0], argc, argv);
+}
+
+static int batch(const char *name)
+{
+	int ret;
+
+	if (rtnl_open(&rth, 0) < 0) {
+		fprintf(stderr, "Cannot open rtnetlink\n");
+		return EXIT_FAILURE;
+	}
+
+	rtnl_set_strict_dump(&rth);
+
+	ret = do_batch(name, force, br_batch_cmd, NULL);
+
+	rtnl_close(&rth);
+	return ret;
+}
+
+int
+main(int argc, char **argv)
+{
+	while (argc > 1) {
+		const char *opt = argv[1];
+
+		if (strcmp(opt, "--") == 0) {
+			argc--; argv++;
+			break;
+		}
+		if (opt[0] != '-')
+			break;
+		if (opt[1] == '-')
+			opt++;
+
+		if (matches(opt, "-help") == 0) {
+			usage();
+		} else if (matches(opt, "-Version") == 0) {
+			printf("bridge utility, %s\n", version);
+			exit(0);
+		} else if (matches(opt, "-stats") == 0 ||
+			   matches(opt, "-statistics") == 0) {
+			++show_stats;
+		} else if (matches(opt, "-details") == 0) {
+			++show_details;
+		} else if (matches(opt, "-oneline") == 0) {
+			++oneline;
+		} else if (matches(opt, "-timestamp") == 0) {
+			++timestamp;
+		} else if (matches(opt, "-family") == 0) {
+			argc--;
+			argv++;
+			if (argc <= 1)
+				usage();
+			if (strcmp(argv[1], "inet") == 0)
+				preferred_family = AF_INET;
+			else if (strcmp(argv[1], "inet6") == 0)
+				preferred_family = AF_INET6;
+			else if (strcmp(argv[1], "help") == 0)
+				usage();
+			else
+				invarg("invalid protocol family", argv[1]);
+		} else if (strcmp(opt, "-4") == 0) {
+			preferred_family = AF_INET;
+		} else if (strcmp(opt, "-6") == 0) {
+			preferred_family = AF_INET6;
+		} else if (matches(opt, "-netns") == 0) {
+			NEXT_ARG();
+			if (netns_switch(argv[1]))
+				exit(-1);
+		} else if (matches_color(opt, &color)) {
+		} else if (matches(opt, "-compressvlans") == 0) {
+			++compress_vlans;
+		} else if (matches(opt, "-force") == 0) {
+			++force;
+		} else if (matches(opt, "-json") == 0) {
+			++json;
+		} else if (matches(opt, "-pretty") == 0) {
+			++pretty;
+		} else if (matches(opt, "-batch") == 0) {
+			argc--;
+			argv++;
+			if (argc <= 1)
+				usage();
+			batch_file = argv[1];
+		} else {
+			fprintf(stderr,
+				"Option \"%s\" is unknown, try \"bridge help\".\n",
+				opt);
+			exit(-1);
+		}
+		argc--;	argv++;
+	}
+
+	_SL_ = oneline ? "\\" : "\n";
+
+	check_enable_color(color, json);
+
+	if (batch_file)
+		return batch(batch_file);
+
+	if (rtnl_open(&rth, 0) < 0)
+		exit(1);
+
+	rtnl_set_strict_dump(&rth);
+
+	if (argc > 1)
+		return do_cmd(argv[1], argc-1, argv+1);
+
+	rtnl_close(&rth);
+	usage();
+}