librstp/common/roletrns.c

56   register PORT_T* port;
58   for (port = this->owner.port->owner->ports; port; port = port->next) {
59     port->sync = True; /* in ROOT_PROPOSED (setSyncBridge) */
66   register PORT_T* port;
68   for (port = this->owner.port->owner->ports; port; port = port->next) {
69     port->reRoot = True; /* In setReRootBridge */
76   register PORT_T* port;
78   for (port = this->owner->ports; port; port = port->next) {
79     if (port->port_index == this->port_index) continue;
80     if (! port->synced) {
91   register PORT_T* port;
93   for (port = this->owner->ports; port; port = port->next) {
94     if (port->port_index == this->port_index) continue;
95     if (port->rrWhile) {
105   register PORT_T*           port = this->owner.port;
108   stpm = port->owner;
114       port->role = DisabledPort;
116       port->role = port->selectedRole = DisabledPort;
117       port->reselect = True;
119       port->synced = False; /* in INIT */
120       port->sync = True; /* in INIT */
121       port->reRoot = True; /* in INIT_PORT */
122       port->rrWhile = stpm->rootTimes.ForwardDelay;
123       port->fdWhile = stpm->rootTimes.ForwardDelay;
124       port->rbWhile = 0;
127         STP_port_trace_flags ("after init", port);
131       port->role = port->selectedRole;
132       port->learn =
133       port->forward = False;
136       port->fdWhile = stpm->rootTimes.ForwardDelay;
137       port->synced = True; /* In BLOCKED_PORT */
138       port->rrWhile = 0;
139       port->sync = port->reRoot = False; /* BLOCKED_PORT */
142       port->rbWhile = 2 * stpm->rootTimes.HelloTime;
148       port->proposed = False;
151         STP_port_trace_flags ("ROOT_PROPOSED", port);
155       port->proposed = port->sync = False; /* in ROOT_AGREED */
156       port->synced = True; /* In ROOT_AGREED */
157       port->newInfo = True;
160         STP_port_trace_flags ("ROOT_AGREED", port);
167         STP_port_trace_flags ("REROOT", port);
171       port->role = RootPort;
172       port->rrWhile = stpm->rootTimes.ForwardDelay;
175         STP_port_trace_flags ("ROOT_PORT", port);
179       port->reRoot = False; /* In REROOTED */
182         STP_port_trace_flags ("REROOTED", port);
186       port->fdWhile = stpm->rootTimes.ForwardDelay;
187       port->learn = True;
190         STP_port_trace_flags ("ROOT_LEARN", port);
194       port->fdWhile = 0;
195       port->forward = True;
198         STP_port_trace_flags ("ROOT_FORWARD", port);
204       port->proposing = True; /* in DESIGNATED_PROPOSE */
205       port->newInfo = True;
208         STP_port_trace_flags ("DESIGNATED_PROPOSE", port);
212       port->rrWhile = 0;
213       port->synced = True; /* DESIGNATED_SYNCED */
214       port->sync = False; /* DESIGNATED_SYNCED */
217         STP_port_trace_flags ("DESIGNATED_SYNCED", port);
221       port->reRoot = False; /* DESIGNATED_RETIRED */
224         STP_port_trace_flags ("DESIGNATED_RETIRED", port);
228       port->role = DesignatedPort;
231         STP_port_trace_flags ("DESIGNATED_PORT", port);
235       port->learn = port->forward = False;
236       port->fdWhile = stpm->rootTimes.ForwardDelay;
239         STP_port_trace_flags ("DESIGNATED_LISTEN", port);
243       port->learn = True;
244       port->fdWhile = stpm->rootTimes.ForwardDelay;
247         STP_port_trace_flags ("DESIGNATED_LEARN", port);
251       port->forward = True;
252       port->fdWhile = 0;
255         STP_port_trace_flags ("DESIGNATED_FORWARD", port);
264   register PORT_T           *port = this->owner.port;
269   stpm = port->owner;
275   if (port->role != port->selectedRole &&
276       port->selected &&
277       ! port->updtInfo) {
278     switch (port->selectedRole) {
285                                 (int) port->role, (int) port->selectedRole);
303       if (!port->selected || port->updtInfo) break;
304       if (!port->learning && !port->forwarding) {
309       if (!port->selected || port->updtInfo) break;
310       if (port->fdWhile != stpm->rootTimes.ForwardDelay ||
311           port->sync                ||
312           port->reRoot              ||
313           !port->synced) {
316       if (port->rbWhile != 2 * stpm->rootTimes.HelloTime &&
317           port->role == BackupPort) {
332       if (!port->selected || port->updtInfo) break;
333       if (!port->forward && !port->reRoot) {
336       allSynced = compute_all_synced (port);
337       if ((port->proposed && allSynced) ||
338           (!port->synced && allSynced)) {
341       if (port->proposed && !port->synced) {
345       allReRooted = compute_re_rooted (port);
346       if ((!port->fdWhile ||
347            ((allReRooted && !port->rbWhile) && stpm->ForceVersion >=2)) &&
348           port->learn && !port->forward) {
351       if ((!port->fdWhile ||
352            ((allReRooted && !port->rbWhile) && stpm->ForceVersion >=2)) &&
353           !port->learn) {
357       if (port->reRoot && port->forward) {
360       if (port->rrWhile != stpm->rootTimes.ForwardDelay) {
379       if (!port->selected || port->updtInfo) break;
381       if (!port->forward && !port->agreed && !port->proposing && !port->operEdge) {
385       if (!port->rrWhile && port->reRoot) {
389       if (!port->learning && !port->forwarding && !port->synced) {
393       if (port->agreed && !port->synced) {
396       if (port->operEdge && !port->synced) {
399       if (port->sync && port->synced) {
403       if ((!port->fdWhile || port->agreed || port->operEdge) &&
404           (!port->rrWhile  || !port->reRoot) &&
405           !port->sync &&
406           (port->learn && !port->forward)) {
409       if ((!port->fdWhile || port->agreed || port->operEdge) &&
410           (!port->rrWhile  || !port->reRoot) &&
411           !port->sync && !port->learn) {
414       if (((port->sync && !port->synced) ||
415            (port->reRoot && port->rrWhile)) &&
416           !port->operEdge && (port->learn || port->forward)) {