/* * 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 }
/* * Get information about port on bridge. */ int br_get_port_info(const char *brname, const char *port, struct port_info *info) { DIR *d; char path[SYSFS_PATH_MAX]; snprintf(path, SYSFS_PATH_MAX, SYSFS_CLASS_NET "%s/brport", port); d = opendir(path); if (!d) goto fallback; memset(info, 0, sizeof(*info)); fetch_id(path, "designated_root", &info->designated_root); fetch_id(path, "designated_bridge", &info->designated_bridge); info->port_no = fetch_int(path, "port_no"); info->port_id = fetch_int(path, "port_id"); info->designated_port = fetch_int(path, "designated_port"); info->path_cost = fetch_int(path, "path_cost"); info->designated_cost = fetch_int(path, "designated_cost"); info->state = fetch_int(path, "state"); info->top_change_ack = fetch_int(path, "change_ack"); info->config_pending = fetch_int(path, "config_pending"); fetch_tv(path, "message_age_timer", &info->message_age_timer_value); fetch_tv(path, "forward_delay_timer", &info->forward_delay_timer_value); fetch_tv(path, "hold_timer", &info->hold_timer_value); closedir(d); return 0; fallback: return old_get_port_info(brname, port, info); }