1 files changed, 328 insertions, 0 deletions
diff --git a/brctl/brctl_cmd.c b/brctl/brctl_cmd.c
new file mode 100644
index 0000000..03d1fc6
--- /dev/null
+++ b/brctl/brctl_cmd.c
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 2000 Lennert Buytenhek
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <asm/param.h>
+#include "libbridge.h"
+#include "brctl.h"
+
+void br_cmd_addbr(struct bridge *br, char *brname, char *arg1)
+{
+	int err;
+
+	if ((err = br_add_bridge(brname)) == 0)
+		return;
+
+	switch (err) {
+	case EEXIST:
+		fprintf(stderr,	"device %s already exists; can't create "
+			"bridge with the same name\n", brname);
+		break;
+
+	default:
+		perror("br_add_bridge");
+		break;
+	}
+}
+
+void br_cmd_delbr(struct bridge *br, char *brname, char *arg1)
+{
+	int err;
+
+	if ((err = br_del_bridge(brname)) == 0)
+		return;
+
+	switch (err) {
+	case ENXIO:
+		fprintf(stderr, "bridge %s doesn't exist; can't delete it\n",
+			brname);
+		break;
+
+	case EBUSY:
+		fprintf(stderr, "bridge %s is still up; can't delete it\n",
+			brname);
+		break;
+
+	default:
+		perror("br_del_bridge");
+		break;
+	}
+}
+
+void br_cmd_addif(struct bridge *br, char *ifname, char *arg1)
+{
+	int err;
+	int ifindex;
+
+	ifindex = if_nametoindex(ifname);
+	if (!ifindex) {
+		fprintf(stderr, "interface %s does not exist!\n", ifname);
+		return;
+	}
+
+	if ((err = br_add_interface(br, ifindex)) == 0)
+		return;
+
+	switch (err) {
+	case EBUSY:
+		fprintf(stderr,	"device %s is already a member of a bridge; "
+			"can't enslave it to bridge %s.\n", ifname,
+			br->ifname);
+		break;
+
+	default:
+		perror("br_add_interface");
+		break;
+	}
+}
+
+void br_cmd_delif(struct bridge *br, char *ifname, char *arg1)
+{
+	int err;
+	int ifindex;
+
+	ifindex = if_nametoindex(ifname);
+	if (!ifindex) {
+		fprintf(stderr, "interface %s does not exist!\n", ifname);
+		return;
+	}
+
+	if ((err = br_del_interface(br, ifindex)) == 0)
+		return;
+
+	switch (err) {
+	case EINVAL:
+		fprintf(stderr, "device %s is not a slave of %s\n",
+			ifname, br->ifname);
+		break;
+
+	default:
+		perror("br_del_interface");
+		break;
+	}
+}
+
+void br_cmd_setageing(struct bridge *br, char *time, char *arg1)
+{
+	double secs;
+	struct timeval tv;
+
+	sscanf(time, "%lf", &secs);
+	tv.tv_sec = secs;
+	tv.tv_usec = 1000000 * (secs - tv.tv_sec);
+	br_set_ageing_time(br, &tv);
+}
+
+void br_cmd_setbridgeprio(struct bridge *br, char *_prio, char *arg1)
+{
+	int prio;
+
+	sscanf(_prio, "%i", &prio);
+	br_set_bridge_priority(br, prio);
+}
+
+void br_cmd_setfd(struct bridge *br, char *time, char *arg1)
+{
+	double secs;
+	struct timeval tv;
+
+	sscanf(time, "%lf", &secs);
+	tv.tv_sec = secs;
+	tv.tv_usec = 1000000 * (secs - tv.tv_sec);
+	br_set_bridge_forward_delay(br, &tv);
+}
+
+void br_cmd_setgcint(struct bridge *br, char *time, char *arg1)
+{
+	double secs;
+	struct timeval tv;
+
+	sscanf(time, "%lf", &secs);
+	tv.tv_sec = secs;
+	tv.tv_usec = 1000000 * (secs - tv.tv_sec);
+	br_set_gc_interval(br, &tv);
+}
+
+void br_cmd_sethello(struct bridge *br, char *time, char *arg1)
+{
+	double secs;
+	struct timeval tv;
+
+	sscanf(time, "%lf", &secs);
+	tv.tv_sec = secs;
+	tv.tv_usec = 1000000 * (secs - tv.tv_sec);
+	br_set_bridge_hello_time(br, &tv);
+}
+
+void br_cmd_setmaxage(struct bridge *br, char *time, char *arg1)
+{
+	double secs;
+	struct timeval tv;
+
+	sscanf(time, "%lf", &secs);
+	tv.tv_sec = secs;
+	tv.tv_usec = 1000000 * (secs - tv.tv_sec);
+	br_set_bridge_max_age(br, &tv);
+}
+
+void br_cmd_setpathcost(struct bridge *br, char *arg0, char *arg1)
+{
+	int cost;
+	struct port *p;
+
+	if ((p = br_find_port(br, arg0)) == NULL) {
+		fprintf(stderr, "can't find port %s in bridge %s\n", arg0, br->ifname);
+		return;
+	}
+
+	sscanf(arg1, "%i", &cost);
+	br_set_path_cost(p, cost);
+}
+
+void br_cmd_setportprio(struct bridge *br, char *arg0, char *arg1)
+{
+	int cost;
+	struct port *p;
+
+	if ((p = br_find_port(br, arg0)) == NULL) {
+		fprintf(stderr, "can't find port %s in bridge %s\n", arg0, br->ifname);
+		return;
+	}
+
+	sscanf(arg1, "%i", &cost);
+	br_set_port_priority(p, cost);
+}
+
+void br_cmd_stp(struct bridge *br, char *arg0, char *arg1)
+{
+	int stp;
+
+	stp = 0;
+	if (!strcmp(arg0, "on") || !strcmp(arg0, "yes") || !strcmp(arg0, "1"))
+		stp = 1;
+
+	br_set_stp_state(br, stp);
+}
+
+void br_cmd_showstp(struct bridge *br, char *arg0, char *arg1)
+{
+	br_dump_info(br);
+}
+
+void br_cmd_show(struct bridge *br, char *arg0, char *arg1)
+{
+	printf("bridge name\tbridge id\t\tSTP enabled\tinterfaces\n");
+	br = bridge_list;
+	while (br != NULL) {
+		printf("%s\t\t", br->ifname);
+		br_dump_bridge_id((unsigned char *)&br->info.bridge_id);
+		printf("\t%s\t\t", br->info.stp_enabled?"yes":"no");
+		br_dump_interface_list(br);
+
+		br = br->next;
+	}
+}
+
+static int compare_fdbs(const void *_f0, const void *_f1)
+{
+	const struct fdb_entry *f0 = _f0;
+	const struct fdb_entry *f1 = _f1;
+
+#if 0
+	if (f0->port_no < f1->port_no)
+		return -1;
+
+	if (f0->port_no > f1->port_no)
+		return 1;
+#endif
+
+	return memcmp(f0->mac_addr, f1->mac_addr, 6);
+}
+
+void __dump_fdb_entry(struct fdb_entry *f)
+{
+	printf("%3i\t", f->port_no);
+	printf("%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\t",
+	       f->mac_addr[0], f->mac_addr[1], f->mac_addr[2],
+	       f->mac_addr[3], f->mac_addr[4], f->mac_addr[5]);
+	printf("%s\t\t", f->is_local?"yes":"no");
+	br_show_timer(&f->ageing_timer_value);
+	printf("\n");
+}
+
+void br_cmd_showmacs(struct bridge *br, char *arg0, char *arg1)
+{
+	struct fdb_entry fdb[1024];
+	int offset;
+
+	printf("port no\tmac addr\t\tis local?\tageing timer\n");
+
+	offset = 0;
+	while (1) {
+		int i;
+		int num;
+
+		num = br_read_fdb(br, fdb, offset, 1024);
+		if (!num)
+			break;
+
+		qsort(fdb, num, sizeof(struct fdb_entry), compare_fdbs);
+
+		for (i=0;i<num;i++)
+			__dump_fdb_entry(fdb+i);
+
+		offset += num;
+	}
+}
+
+static struct command commands[] = {
+	{0, "addbr", br_cmd_addbr},
+	{1, "addif", br_cmd_addif},
+	{0, "delbr", br_cmd_delbr},
+	{1, "delif", br_cmd_delif},
+	{1, "setageing", br_cmd_setageing},
+	{1, "setbridgeprio", br_cmd_setbridgeprio},
+	{1, "setfd", br_cmd_setfd},
+	{1, "setgcint", br_cmd_setgcint},
+	{1, "sethello", br_cmd_sethello},
+	{1, "setmaxage", br_cmd_setmaxage},
+	{1, "setpathcost", br_cmd_setpathcost},
+	{1, "setportprio", br_cmd_setportprio},
+	{0, "show", br_cmd_show},
+	{1, "showmacs", br_cmd_showmacs},
+	{1, "showstp", br_cmd_showstp},
+	{1, "stp", br_cmd_stp},
+};
+
+struct command *br_command_lookup(char *cmd)
+{
+	int i;
+	int numcommands;
+
+	numcommands = sizeof(commands)/sizeof(commands[0]);
+
+	for (i=0;i<numcommands;i++)
+		if (!strcmp(cmd, commands[i].name))
+			return &commands[i];
+
+	return NULL;
+}