From 33a3722788ee687761dfdfc3467edd781f86a1ab Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Wed, 13 Nov 2024 08:48:58 +0100
Subject: [PATCH] fix(lwip): Limit active TCP PCBs and recycle them faster

* Update submodule: git log --oneline c816f0ee..a587d929
Detailed description of the changes:
  - test: Add tcp-pcb recycle test (espressif/esp-lwip@a587d929)
  - tcp: Apply faster PCB recycling in FIN_WAIT_1 or FIN_WAIT_2 state (espressif/esp-lwip@3bfc85d2)
  - test: Add tcp alloc limitation test (espressif/esp-lwip@0c9c39a9)
  - memp: Employ TCP-PCB allocation limit if libc malloc used (espressif/esp-lwip@9cb96ac1)

Closes https://github.com/espressif/esp-idf/issues/9670
Closes https://github.com/espressif/esp-lwip/pull/63
---
 components/lwip/lwip | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/lwip/lwip b/components/lwip/lwip
index 0606eed9d8..d2e3d21a85 160000
--- a/components/lwip/lwip
+++ b/components/lwip/lwip
@@ -1 +1 @@
-Subproject commit 0606eed9d8b98a797514fdf6eabb4daf1c8c8cd9
+Subproject commit d2e3d21a85bd2e92c9f5e7835eda6fa3ce451831