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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
@@ -2600,10 +2600,12 @@
} else {
if (V_tcp_do_prr_conservative)
limit = tp->sackhint.prr_delivered -
- tp->sackhint.sack_bytes_rexmit;
+ (tp->sackhint.sack_bytes_rexmit +
+ (tp->snd_nxt - tp->snd_recover));
else
limit = imax(tp->sackhint.prr_delivered -
- tp->sackhint.sack_bytes_rexmit,
+ (tp->sackhint.sack_bytes_rexmit +
+ (tp->snd_nxt - tp->snd_recover)),
del_data) + maxseg;
snd_cnt = imin(tp->snd_ssthresh - pipe, limit);
}
@@ -3976,10 +3978,12 @@
} else {
if (V_tcp_do_prr_conservative)
limit = tp->sackhint.prr_delivered -
- tp->sackhint.sack_bytes_rexmit;
+ (tp->sackhint.sack_bytes_rexmit +
+ (tp->snd_nxt - tp->snd_recover));
else
limit = imax(tp->sackhint.prr_delivered -
- tp->sackhint.sack_bytes_rexmit,
+ (tp->sackhint.sack_bytes_rexmit +
+ (tp->snd_nxt - tp->snd_recover)),
del_data) + maxseg;
snd_cnt = imin((tp->snd_ssthresh - pipe), limit);
}

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