From: Florin Coras <fcoras@cisco.com>
Date: Tue, 28 Jul 2020 17:57:09 +0000 (-0700)
Subject: tcp: process syn in close-wait
X-Git-Tag: v21.01-rc0~150
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=d75213fe8751fe918ae7e8f9ea1e3cd82a04e6f6;p=vpp.git

tcp: process syn in close-wait

Type: improvement

Change-Id: I0cafe08d21e02094dda203c5eb60601b5953425d
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 8efe0c5a77a..dfd3db6be5e 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -3229,6 +3229,7 @@ do {                                                       	\
   _(CLOSE_WAIT, TCP_FLAG_RST, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE);
   _(CLOSE_WAIT, TCP_FLAG_RST | TCP_FLAG_ACK, TCP_INPUT_NEXT_RCV_PROCESS,
     TCP_ERROR_NONE);
+  _(CLOSE_WAIT, TCP_FLAG_SYN, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE);
   _(LAST_ACK, 0, TCP_INPUT_NEXT_DROP, TCP_ERROR_SEGMENT_INVALID);
   _(LAST_ACK, TCP_FLAG_ACK, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE);
   _(LAST_ACK, TCP_FLAG_FIN, TCP_INPUT_NEXT_RCV_PROCESS, TCP_ERROR_NONE);