/*
* Get information about port on bridge.
*/
int br_get_port_info(const char *brname, const char *port,
struct port_info *info)
{
#ifndef HAVE_LIBSYSFS
return old_get_port_info(brname, port, info);
#else
struct sysfs_directory *sdir
= bridge_sysfs_directory(port, SYSFS_BRIDGE_PORT_ATTR);
if (!sdir)
return old_get_port_info(brname, port, info);
memset(info, 0, sizeof(*info));
fetch_id(sdir, "designated_root", &info->designated_root);
fetch_id(sdir, "designated_bridge", &info->designated_bridge);
info->port_no = fetch_int(sdir, "port_no");
info->port_id = fetch_int(sdir, "port_id");
info->designated_port = fetch_int(sdir, "designated_port");
info->path_cost = fetch_int(sdir, "path_cost");
info->designated_cost = fetch_int(sdir, "designated_cost");
info->state = fetch_int(sdir, "state");
info->top_change_ack = fetch_int(sdir, "change_ack");
info->config_pending = fetch_int(sdir, "config_pending");
fetch_tv(sdir, "message_age_timer",
&info->message_age_timer_value);
fetch_tv(sdir, "forward_delay_timer",
&info->forward_delay_timer_value);
fetch_tv(sdir, "hold_timer",
&info->hold_timer_value);
sysfs_close_directory(sdir);
return 0;
#endif
}
static int br_set(const char *bridge, const char *name,
unsigned long value, unsigned long oldcode)
{
int ret;
#ifdef HAVE_LIBSYSFS
struct sysfs_directory *sdir;
sdir = bridge_sysfs_directory(bridge, SYSFS_BRIDGE_ATTR);
if (sdir) {
struct sysfs_attribute *attr;
char buf[32];
sprintf(buf, "%ld", value);
attr = sysfs_get_directory_attribute(sdir, (char *) name);
if (attr)
ret = sysfs_write_attribute(attr, buf, strlen(buf));
else {
ret = -1;
errno = EINVAL;
}
sysfs_close_directory(sdir);
} else
#endif
{
struct ifreq ifr;
unsigned long args[4] = { oldcode, value, 0, 0 };
strncpy(ifr.ifr_name, bridge, IFNAMSIZ);
ifr.ifr_data = (char *) &args;
ret = ioctl(br_socket_fd, SIOCDEVPRIVATE, &ifr);
}
return ret < 0 ? errno : 0;
}
/*
* Get bridge parameters using either sysfs or old
* ioctl.
*/
int br_get_bridge_info(const char *bridge, struct bridge_info *info)
{
#ifndef HAVE_LIBSYSFS
return old_get_bridge_info(bridge, info);
#else
struct sysfs_directory *sdir;
sdir = bridge_sysfs_directory(bridge, SYSFS_BRIDGE_ATTR);
if (!sdir)
return old_get_bridge_info(bridge,info);
memset(info, 0, sizeof(*info));
fetch_id(sdir, "root_id", &info->designated_root);
fetch_id(sdir, "bridge_id", &info->bridge_id);
info->root_path_cost = fetch_int(sdir, "root_path_cost");
fetch_tv(sdir, "max_age", &info->max_age);
fetch_tv(sdir, "hello_time", &info->hello_time);
fetch_tv(sdir, "forward_delay", &info->forward_delay);
fetch_tv(sdir, "max_age", &info->bridge_max_age);
fetch_tv(sdir, "hello_time", &info->bridge_hello_time);
fetch_tv(sdir, "forward_delay", &info->bridge_forward_delay);
fetch_tv(sdir, "ageing_time", &info->ageing_time);
fetch_tv(sdir, "hello_timer", &info->hello_timer_value);
fetch_tv(sdir, "tcn_timer", &info->tcn_timer_value);
fetch_tv(sdir, "topology_change_timer",
&info->topology_change_timer_value);;
fetch_tv(sdir, "gc_timer", &info->gc_timer_value);
info->root_port = fetch_int(sdir, "root_port");
info->stp_enabled = fetch_int(sdir, "stp_state");
info->topology_change = fetch_int(sdir, "topology_change");
info->topology_change_detected = fetch_int(sdir, "topology_change_detected");
sysfs_close_directory(sdir);
return 0;
#endif
}
/**
* sysfs_del_dir: routine for dlist integration
*/
static void sysfs_del_directory(void *dir)
{
sysfs_close_directory((struct sysfs_directory *)dir);
}
