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()
281 		if (t->pl.pmtu == t->pl.probe_size) { /* Black Hole Detected */  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()
291 			t->pl.probe_size = t->pl.pmtu;  in sctp_transport_pl_send()
294 		if (t->pl.pmtu == t->pl.probe_size) { /* Black Hole Detected */  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()
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()
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()
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()
355 static bool sctp_transport_pl_toobig(struct sctp_transport *t, u32 pmtu)  in sctp_transport_pl_toobig()  argument
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()
364 		if (pmtu >= SCTP_MIN_PLPMTU && pmtu < SCTP_BASE_PLPMTU) {  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()
372 		if (pmtu >= SCTP_BASE_PLPMTU && pmtu < t->pl.pmtu) {  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()
386 		if (pmtu >= SCTP_BASE_PLPMTU && pmtu < t->pl.pmtu) {  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()
402 bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)  in sctp_transport_update_pmtu()  argument
408 	if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) {  in sctp_transport_update_pmtu()
410 				    __func__, pmtu, SCTP_DEFAULT_MINSEGMENT);  in sctp_transport_update_pmtu()
412 		pmtu = SCTP_DEFAULT_MINSEGMENT;  in sctp_transport_update_pmtu()
414 	pmtu = SCTP_TRUNC4(pmtu);  in sctp_transport_update_pmtu()
417 		return sctp_transport_pl_toobig(t, pmtu - sctp_transport_pl_hlen(t));  in sctp_transport_update_pmtu()
426 		dst->ops->update_pmtu(dst, sk, NULL, pmtu, true);  in sctp_transport_update_pmtu()
439 		pmtu = sctp_dst_mtu(dst);  in sctp_transport_update_pmtu()
440 		change = t->pathmtu != pmtu;  in sctp_transport_update_pmtu()
442 	t->pathmtu = pmtu;  in sctp_transport_update_pmtu()
561 	__u32 cwnd, ssthresh, flight_size, pba, pmtu;  in sctp_transport_raise_cwnd()  local
573 	pmtu = transport->asoc->pathmtu;  in sctp_transport_raise_cwnd()
601 		if (bytes_acked > pmtu)  in sctp_transport_raise_cwnd()
602 			cwnd += pmtu;  in sctp_transport_raise_cwnd()
638 			cwnd += pmtu;  in sctp_transport_raise_cwnd()