From: Mohsin Kazmi <sykazmi@cisco.com>
Date: Wed, 5 May 2021 16:25:39 +0000 (+0000)
Subject: gso: fix the gro coalesced chain len
X-Git-Tag: v21.10-rc0~97
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=9314ed82155637d39e50a68c3119cd09dce8b0c3;p=vpp.git

gso: fix the gro coalesced chain len

Type: fix

Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Change-Id: I86b940384a6898d4cb04f3decf30996c94b43d07
---

diff --git a/src/vnet/gso/gro_func.h b/src/vnet/gso/gro_func.h
index 239009d680b..af1e1a9264b 100644
--- a/src/vnet/gso/gro_func.h
+++ b/src/vnet/gso/gro_func.h
@@ -514,7 +514,8 @@ vnet_gro_flow_table_inline (vlib_main_t * vm, gro_flow_table_t * flow_table,
 
       if (PREDICT_TRUE (action == GRO_PACKET_ACTION_ENQUEUE))
 	{
-	  if (PREDICT_TRUE ((pkt_len_s + payload_len0) < TCP_MAX_GSO_SZ))
+	  if (PREDICT_TRUE (((pkt_len_s + payload_len0) < TCP_MAX_GSO_SZ) &&
+			    gro_flow->n_buffers < GRO_FLOW_N_BUFFERS))
 	    {
 	      flow_table->total_vectors++;
 	      gro_merge_buffers (vm, b_s, b0, bi0, payload_len0, l234_sz0);