From e5e52446ca4d840663a1decb1b57eda1a54e491f Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Wed, 11 Dec 2019 11:19:32 -0600 Subject: [PATCH] net/tcp/tcp_send.c: Trival update to some comments. --- net/tcp/tcp_send.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/tcp/tcp_send.c b/net/tcp/tcp_send.c index 951f26f2590..882764ce368 100644 --- a/net/tcp/tcp_send.c +++ b/net/tcp/tcp_send.c @@ -552,6 +552,10 @@ void tcp_reset(FAR struct net_driver_s *dev) * Description: * Send the SYN, ACK, or SYNACK response. * + * - SYN and SYNACK are sent only from the TCP state machine. + * - ACK may be sent alone only if delayed ACKs are enabled and the ACK + * delay timeout occurs. + * * Input Parameters: * dev - The device driver structure to use in the send operation * conn - The TCP connection structure holding connection information