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Diffstat (limited to 'src/vnet/tcp/tcp_input.c')
-rwxr-xr-xsrc/vnet/tcp/tcp_input.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 22222fba1e2..da499b8c720 100755
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -890,6 +890,12 @@ scoreboard_next_rxt_hole (sack_scoreboard_t * sb,
/* Rule (3): if hole not lost */
else if (seq_lt (hole->start, sb->high_sacked))
{
+ /* And we didn't already retransmit it */
+ if (seq_leq (hole->end, sb->high_rxt))
+ {
+ sb->cur_rxt_hole = TCP_INVALID_SACK_HOLE_INDEX;
+ return 0;
+ }
*snd_limited = 0;
sb->cur_rxt_hole = scoreboard_hole_index (sb, hole);
}