X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ipsec_esp.py;h=6be49ef21ce72e5daa064138db71e6d56ff69ec0;hb=e4e8c6b082bea8a80003024b24f1d002cbc0fcb1;hp=2eaf705c84ee0c279a9f06933e806e0772179264;hpb=53f06a0148cd7ece2d48a3396e3e63f248d066e9;p=vpp.git

diff --git a/test/test_ipsec_esp.py b/test/test_ipsec_esp.py
index 2eaf705c84e..6be49ef21ce 100644
--- a/test/test_ipsec_esp.py
+++ b/test/test_ipsec_esp.py
@@ -509,9 +509,10 @@ class RunTestIpsecEspAll(ConfigIpsecESP,
                            count=NUM_PKTS)
 
         LARGE_PKT_SZ = [
+            1970,  # results in 2 chained buffers entering decrypt node
+                   # but leaving as simple buffer due to ICV removal (tra4)
             4010,  # ICV ends up splitted accross 2 buffers in esp_decrypt
                    # for transport4; transport6 takes normal path
-
             4020,  # same as above but tra4 and tra6 are switched
         ]
         if self.engine in engines_supporting_chain_bufs: