From 5ca552cf1c39b8cd6b348636642fcf144591549d Mon Sep 17 00:00:00 2001
From: "Sergio R. Caprile" <scaprile@cesanta.com>
Date: Sat, 2 Mar 2024 15:25:02 -0300
Subject: [PATCH] restart timer when acking

---
 src/net_builtin.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/net_builtin.c b/src/net_builtin.c
index 7b726cfc24..ab862f0204 100644
--- a/src/net_builtin.c
+++ b/src/net_builtin.c
@@ -662,6 +662,8 @@ static void read_conn(struct mg_connection *c, struct pkt *pkt) {
              c->loc.port, c->rem.port, mg_htonl(s->seq), mg_htonl(s->ack), "",
              0);
       s->noack = 0;
+      // restart the ACK timer if already running
+      if (s->ttype == MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_ACK);
     } else {
       // if not already running, setup a timer to send an ACK later
       if (s->ttype != MIP_TTYPE_ACK) settmout(c, MIP_TTYPE_ACK);