D28953.diff
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	diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
	--- a/sys/netinet/tcp_input.c
	+++ b/sys/netinet/tcp_input.c
	@@ -2589,7 +2589,7 @@
	pipe = (tp->snd_nxt - tp->snd_fack) +
	tp->sackhint.sack_bytes_rexmit;
	tp->sackhint.prr_delivered += del_data;
	- if (pipe > tp->snd_ssthresh) {
	+ if (pipe >= tp->snd_ssthresh) {
	if (tp->sackhint.recover_fs == 0)
	tp->sackhint.recover_fs =
	imax(1, tp->snd_nxt - tp->snd_una);
	@@ -2689,7 +2689,8 @@
	* snd_ssthresh is already updated by
	* cc_cong_signal.
	*/
	- tp->sackhint.prr_delivered = 0;
	+ tp->sackhint.prr_delivered =
	+ tp->sackhint.sacked_bytes;
	tp->sackhint.sack_bytes_rexmit = 0;
	tp->sackhint.recover_fs = max(1,
	tp->snd_nxt - tp->snd_una);
	@@ -3964,7 +3965,7 @@
	/*
	* Proportional Rate Reduction
	*/
	- if (pipe > tp->snd_ssthresh) {
	+ if (pipe >= tp->snd_ssthresh) {
	if (tp->sackhint.recover_fs == 0)
	tp->sackhint.recover_fs =
	imax(1, tp->snd_nxt - tp->snd_una);