For the non-fastopen case of prelaod, when the 3rd-ack arrives there
will be data on the write queue. Transmit it immediately
by allowing the SYN_SENT state to run the xmit-recovery code.
Signed-off-by: Jeremy Harris <jgh@xxxxxxxx>
---
net/ipv4/tcp_input.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 8ec92dec321a..345a08baaf02 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3900,7 +3900,8 @@ static void tcp_xmit_recovery(struct sock *sk, int rexmit)
{
struct tcp_sock *tp = tcp_sk(sk);
- if (rexmit == REXMIT_NONE || sk->sk_state == TCP_SYN_SENT)
+ if ((rexmit == REXMIT_NONE && sk->sk_state != TCP_SYN_RECV) ||
+ sk->sk_state == TCP_SYN_SENT)
return;
if (unlikely(rexmit == REXMIT_NEW)) {
--
2.49.0
