Lines Matching refs:br
43 err = __set_ageing_time(p->dev, p->br->ageing_time);
49 void br_stp_enable_bridge(struct net_bridge *br)
53 spin_lock_bh(&br->lock);
54 if (br->stp_enabled == BR_KERNEL_STP)
55 mod_timer(&br->hello_timer, jiffies + br->hello_time);
56 mod_delayed_work(system_long_wq, &br->gc_work, HZ / 10);
58 br_config_bpdu_generation(br);
60 list_for_each_entry(p, &br->port_list, list) {
65 spin_unlock_bh(&br->lock);
69 void br_stp_disable_bridge(struct net_bridge *br)
73 spin_lock_bh(&br->lock);
74 list_for_each_entry(p, &br->port_list, list) {
80 __br_set_topology_change(br, 0);
81 br->topology_change_detected = 0;
82 spin_unlock_bh(&br->lock);
84 del_timer_sync(&br->hello_timer);
85 del_timer_sync(&br->topology_change_timer);
86 del_timer_sync(&br->tcn_timer);
87 cancel_delayed_work_sync(&br->gc_work);
94 br_port_state_selection(p->br);
101 struct net_bridge *br = p->br;
104 wasroot = br_is_root_bridge(br);
117 br_fdb_delete_by_port(br, p, 0, 0);
120 br_configuration_update(br);
122 br_port_state_selection(br);
124 if (br_is_root_bridge(br) && !wasroot)
125 br_become_root_bridge(br);
128 static int br_stp_call_user(struct net_bridge *br, char *arg)
130 char *argv[] = { BR_STP_PROG, br->dev->name, arg, NULL };
138 br_debug(br, BR_STP_PROG " received signal %d\n",
141 br_debug(br, BR_STP_PROG " exited with code %d\n",
148 static void br_stp_start(struct net_bridge *br)
152 if (net_eq(dev_net(br->dev), &init_net))
153 err = br_stp_call_user(br, "start");
156 br_err(br, "failed to start userspace STP (%d)\n", err);
158 spin_lock_bh(&br->lock);
160 if (br->bridge_forward_delay < BR_MIN_FORWARD_DELAY)
161 __br_set_forward_delay(br, BR_MIN_FORWARD_DELAY);
162 else if (br->bridge_forward_delay > BR_MAX_FORWARD_DELAY)
163 __br_set_forward_delay(br, BR_MAX_FORWARD_DELAY);
166 br->stp_enabled = BR_USER_STP;
167 br_debug(br, "userspace STP started\n");
169 br->stp_enabled = BR_KERNEL_STP;
170 br_debug(br, "using kernel STP\n");
173 if (br->dev->flags & IFF_UP)
174 mod_timer(&br->hello_timer, jiffies + br->hello_time);
175 br_port_state_selection(br);
178 spin_unlock_bh(&br->lock);
181 static void br_stp_stop(struct net_bridge *br)
185 if (br->stp_enabled == BR_USER_STP) {
186 err = br_stp_call_user(br, "stop");
188 br_err(br, "failed to stop userspace STP (%d)\n", err);
191 spin_lock_bh(&br->lock);
192 br_port_state_selection(br);
193 spin_unlock_bh(&br->lock);
196 br->stp_enabled = BR_NO_STP;
199 int br_stp_set_enabled(struct net_bridge *br, unsigned long val,
204 if (!net_eq(dev_net(br->dev), &init_net))
207 if (br_mrp_enabled(br)) {
214 if (br->stp_enabled == BR_NO_STP)
215 br_stp_start(br);
217 if (br->stp_enabled != BR_NO_STP)
218 br_stp_stop(br);
225 void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *addr)
233 wasroot = br_is_root_bridge(br);
235 br_fdb_change_mac_address(br, addr);
237 memcpy(oldaddr, br->bridge_id.addr, ETH_ALEN);
238 memcpy(br->bridge_id.addr, addr, ETH_ALEN);
239 memcpy(br->dev->dev_addr, addr, ETH_ALEN);
241 list_for_each_entry(p, &br->port_list, list) {
249 br_configuration_update(br);
250 br_port_state_selection(br);
251 if (br_is_root_bridge(br) && !wasroot)
252 br_become_root_bridge(br);
259 bool br_stp_recalculate_bridge_id(struct net_bridge *br)
267 if (br->dev->addr_assign_type == NET_ADDR_SET)
270 list_for_each_entry(p, &br->port_list, list) {
277 if (ether_addr_equal(br->bridge_id.addr, addr))
280 br_stp_change_bridge_id(br, addr);
285 void br_stp_set_bridge_priority(struct net_bridge *br, u16 newprio)
290 spin_lock_bh(&br->lock);
291 wasroot = br_is_root_bridge(br);
293 list_for_each_entry(p, &br->port_list, list) {
302 br->bridge_id.prio[0] = (newprio >> 8) & 0xFF;
303 br->bridge_id.prio[1] = newprio & 0xFF;
304 br_configuration_update(br);
305 br_port_state_selection(br);
306 if (br_is_root_bridge(br) && !wasroot)
307 br_become_root_bridge(br);
308 spin_unlock_bh(&br->lock);
325 if (!memcmp(&p->br->bridge_id, &p->designated_bridge, 8) &&
328 br_port_state_selection(p->br);
343 br_configuration_update(p->br);
344 br_port_state_selection(p->br);