X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftcp%2Ftcp_output.c;fp=src%2Fvnet%2Ftcp%2Ftcp_output.c;h=95480af0f2d2c7beada6648328a1ea29592dcc47;hb=919fdad6bc54d0ed6e2ac842770e9e77c5cbc0a6;hp=f5035006822740dbaeb271cd2cea8d5d9945970a;hpb=98a91e82608e6e30d4516b52556cdaaa9837ee24;p=vpp.git

diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index f5035006822..95480af0f2d 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -1749,7 +1749,7 @@ tcp_retransmit_sack (tcp_worker_ctx_t * wrk, tcp_connection_t * tc,
       && tc->rxt_head != tc->snd_una
       && tcp_retransmit_should_retry_head (tc, sb))
     {
-      max_bytes = clib_min (tc->snd_mss, tc->snd_congestion - tc->snd_una);
+      max_bytes = clib_min (tc->snd_mss, tc->snd_nxt - tc->snd_una);
       n_written = tcp_prepare_retransmit_segment (wrk, tc, 0, max_bytes, &b);
       if (!n_written)
 	{