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-rwxr-xr-xsrc/vnet/tcp/tcp_input.c3
-rw-r--r--src/vnet/tcp/tcp_output.c1
2 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index e93e8bae273..0e8e68b1339 100755
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -2075,7 +2075,8 @@ tcp_segment_rcv (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
* retransmissions since we may not have any data to send */
if (seq_leq (vnet_buffer (b)->tcp.seq_end, tc->rcv_nxt))
{
- tcp_program_ack (tc);
+ tcp_program_dupack (tc);
+ tc->errors.below_data_wnd++;
error = TCP_ERROR_SEGMENT_OLD;
goto done;
}
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 91021e89d85..6ed478fd1bc 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -2064,6 +2064,7 @@ tcp_send_acks (tcp_connection_t * tc, u32 max_burst_size)
if (!vec_len (tc->snd_sacks))
{
tcp_send_ack (tc);
+ tc->dupacks_out += 1;
tc->pending_dupacks = 0;
return 1;
}