/* * 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); }