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-rw-r--r--bridge/bridge.c194
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();
+}