commit 208daa1adb8069083b67a36e9f16ac27373fa5bf
author Florin Coras <fcoras@cisco.com> Mon Jul 02 01:30:51 2018 -0700
committer Damjan Marion <dmarion@me.com> Tue Jul 03 09:17:33 2018 +0000
tree 4d973bbc680b13019af1d971ba07d7290ce92247
parent 926b564d650700213f40b03394fdb12e45496246

tcp: update snd_una_max for retranmsits

Change-Id: I0573d0aff39581bba96e610228a10ae923a8ca06
Signed-off-by: Florin Coras <fcoras@cisco.com>

src/vnet/tcp/tcp_output.c

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 7c11345..b3c39b1 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1306,6 +1306,8 @@
       ASSERT (n_bytes == max_deq_bytes);
       b[0]->current_length = n_bytes;
       tcp_push_hdr_i (tc, *b, tc->state, /* compute opts */ 0, /* burst */ 0);
+      if (seq_gt (tc->snd_nxt, tc->snd_una_max))
+	tc->snd_una_max = tc->snd_nxt;
     }
   /* Split mss into multiple buffers */
   else
@@ -1369,6 +1371,8 @@
 	}
 
       tcp_push_hdr_i (tc, *b, tc->state, /* compute opts */ 0, /* burst */ 0);
+      if (seq_gt (tc->snd_nxt, tc->snd_una_max))
+	tc->snd_una_max = tc->snd_nxt;
     }
 
   ASSERT (n_bytes > 0);