Lines Matching full:pl
268 if (t->pl.probe_count < SCTP_MAX_PROBES) in sctp_transport_pl_send()
271 t->pl.probe_count = 0; in sctp_transport_pl_send()
272 if (t->pl.state == SCTP_PL_BASE) { in sctp_transport_pl_send()
273 if (t->pl.probe_size == SCTP_BASE_PLPMTU) { /* BASE_PLPMTU Confirmation Failed */ in sctp_transport_pl_send()
274 t->pl.state = SCTP_PL_ERROR; /* Base -> Error */ in sctp_transport_pl_send()
276 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_send()
277 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_send()
280 } else if (t->pl.state == SCTP_PL_SEARCH) { in sctp_transport_pl_send()
281 if (t->pl.pmtu == t->pl.probe_size) { /* Black Hole Detected */ in sctp_transport_pl_send()
282 t->pl.state = SCTP_PL_BASE; /* Search -> Base */ in sctp_transport_pl_send()
283 t->pl.probe_size = SCTP_BASE_PLPMTU; in sctp_transport_pl_send()
284 t->pl.probe_high = 0; in sctp_transport_pl_send()
286 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_send()
287 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_send()
290 t->pl.probe_high = t->pl.probe_size; in sctp_transport_pl_send()
291 t->pl.probe_size = t->pl.pmtu; in sctp_transport_pl_send()
293 } else if (t->pl.state == SCTP_PL_COMPLETE) { in sctp_transport_pl_send()
294 if (t->pl.pmtu == t->pl.probe_size) { /* Black Hole Detected */ in sctp_transport_pl_send()
295 t->pl.state = SCTP_PL_BASE; /* Search Complete -> Base */ in sctp_transport_pl_send()
296 t->pl.probe_size = SCTP_BASE_PLPMTU; in sctp_transport_pl_send()
298 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_send()
299 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_send()
306 __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, t->pl.probe_high); in sctp_transport_pl_send()
307 t->pl.probe_count++; in sctp_transport_pl_send()
313 __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, t->pl.probe_high); in sctp_transport_pl_recv()
315 t->pl.pmtu = t->pl.probe_size; in sctp_transport_pl_recv()
316 t->pl.probe_count = 0; in sctp_transport_pl_recv()
317 if (t->pl.state == SCTP_PL_BASE) { in sctp_transport_pl_recv()
318 t->pl.state = SCTP_PL_SEARCH; /* Base -> Search */ in sctp_transport_pl_recv()
319 t->pl.probe_size += SCTP_PL_BIG_STEP; in sctp_transport_pl_recv()
320 } else if (t->pl.state == SCTP_PL_ERROR) { in sctp_transport_pl_recv()
321 t->pl.state = SCTP_PL_SEARCH; /* Error -> Search */ in sctp_transport_pl_recv()
323 t->pl.pmtu = t->pl.probe_size; in sctp_transport_pl_recv()
324 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_recv()
326 t->pl.probe_size += SCTP_PL_BIG_STEP; in sctp_transport_pl_recv()
327 } else if (t->pl.state == SCTP_PL_SEARCH) { in sctp_transport_pl_recv()
328 if (!t->pl.probe_high) { in sctp_transport_pl_recv()
329 if (t->pl.probe_size < SCTP_MAX_PLPMTU) { in sctp_transport_pl_recv()
330 t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_BIG_STEP, in sctp_transport_pl_recv()
334 t->pl.probe_high = SCTP_MAX_PLPMTU; in sctp_transport_pl_recv()
336 t->pl.probe_size += SCTP_PL_MIN_STEP; in sctp_transport_pl_recv()
337 if (t->pl.probe_size >= t->pl.probe_high) { in sctp_transport_pl_recv()
338 t->pl.probe_high = 0; in sctp_transport_pl_recv()
339 t->pl.state = SCTP_PL_COMPLETE; /* Search -> Search Complete */ in sctp_transport_pl_recv()
341 t->pl.probe_size = t->pl.pmtu; in sctp_transport_pl_recv()
342 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_recv()
346 } else if (t->pl.state == SCTP_PL_COMPLETE) { in sctp_transport_pl_recv()
348 t->pl.state = SCTP_PL_SEARCH; /* Search Complete -> Search */ in sctp_transport_pl_recv()
349 t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_MIN_STEP, SCTP_MAX_PLPMTU); in sctp_transport_pl_recv()
352 return t->pl.state == SCTP_PL_COMPLETE; in sctp_transport_pl_recv()
358 __func__, t, t->pl.state, t->pl.pmtu, t->pl.probe_size, pmtu); in sctp_transport_pl_toobig()
360 if (pmtu < SCTP_MIN_PLPMTU || pmtu >= t->pl.probe_size) in sctp_transport_pl_toobig()
363 if (t->pl.state == SCTP_PL_BASE) { in sctp_transport_pl_toobig()
365 t->pl.state = SCTP_PL_ERROR; /* Base -> Error */ in sctp_transport_pl_toobig()
367 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_toobig()
368 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_toobig()
371 } else if (t->pl.state == SCTP_PL_SEARCH) { in sctp_transport_pl_toobig()
372 if (pmtu >= SCTP_BASE_PLPMTU && pmtu < t->pl.pmtu) { in sctp_transport_pl_toobig()
373 t->pl.state = SCTP_PL_BASE; /* Search -> Base */ in sctp_transport_pl_toobig()
374 t->pl.probe_size = SCTP_BASE_PLPMTU; in sctp_transport_pl_toobig()
375 t->pl.probe_count = 0; in sctp_transport_pl_toobig()
377 t->pl.probe_high = 0; in sctp_transport_pl_toobig()
378 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_toobig()
379 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_toobig()
381 } else if (pmtu > t->pl.pmtu && pmtu < t->pl.probe_size) { in sctp_transport_pl_toobig()
382 t->pl.probe_size = pmtu; in sctp_transport_pl_toobig()
383 t->pl.probe_count = 0; in sctp_transport_pl_toobig()
385 } else if (t->pl.state == SCTP_PL_COMPLETE) { in sctp_transport_pl_toobig()
386 if (pmtu >= SCTP_BASE_PLPMTU && pmtu < t->pl.pmtu) { in sctp_transport_pl_toobig()
387 t->pl.state = SCTP_PL_BASE; /* Complete -> Base */ in sctp_transport_pl_toobig()
388 t->pl.probe_size = SCTP_BASE_PLPMTU; in sctp_transport_pl_toobig()
389 t->pl.probe_count = 0; in sctp_transport_pl_toobig()
391 t->pl.probe_high = 0; in sctp_transport_pl_toobig()
392 t->pl.pmtu = SCTP_BASE_PLPMTU; in sctp_transport_pl_toobig()
393 t->pathmtu = t->pl.pmtu + sctp_transport_pl_hlen(t); in sctp_transport_pl_toobig()