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authorFlorin Coras <fcoras@cisco.com>2022-12-06 08:39:15 -0800
committerDave Barach <vpp@barachs.net>2022-12-07 21:29:33 +0000
commit919fdad6bc54d0ed6e2ac842770e9e77c5cbc0a6 (patch)
tree809f38243cec771fdfba9e1490b57c5509d1efd3 /src/vnet/tcp
parent98a91e82608e6e30d4516b52556cdaaa9837ee24 (diff)
tcp: avoid retransmit head with no data
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: Iefabc7b9dd1109fd6dcf65e5d9794173421b7369
Diffstat (limited to 'src/vnet/tcp')
-rw-r--r--src/vnet/tcp/tcp_output.c2
1 files changed, 1 insertions, 1 deletions
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)
{