From b7dcbd7a875274231a0b03ee71c8306111279097 Mon Sep 17 00:00:00 2001
From: Tester23 <85486843+openshwprojects@users.noreply.github.com>
Date: Fri, 24 Jul 2026 09:27:44 +0200
Subject: [PATCH] Reduce MEMP_NUM_ALTCP_MBEDTLS_STATE to 1 to fix TCM memory
 overflow in Beken SDK; remove unused HMAC_DRBG_C

---
 components.mk             | 1 +
 src/user_mbedtls_config.h | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/components.mk b/components.mk
index 3ee332570..9e1836528 100644
--- a/components.mk
+++ b/components.mk
@@ -23,6 +23,7 @@ MQTT_TLS_DEFS += -DLWIP_ALTCP=1
 MQTT_TLS_DEFS += -DLWIP_ALTCP_TLS=1
 MQTT_TLS_DEFS += -DLWIP_ALTCP_TLS_MBEDTLS=1
 MQTT_TLS_DEFS += -DMEMP_NUM_ALTCP_PCB=4
+MQTT_TLS_DEFS += -DMEMP_NUM_ALTCP_MBEDTLS_STATE=1
 MQTT_TLS_DEFS += -DMBEDTLS_CONFIG_FILE='"user_mbedtls_config.h"'
 CPPDEFINES += $(MQTT_TLS_DEFS) -Wno-misleading-indentation
 OSFLAGS += $(MQTT_TLS_DEFS)
diff --git a/src/user_mbedtls_config.h b/src/user_mbedtls_config.h
index 3886d8d73..24ee7b543 100644
--- a/src/user_mbedtls_config.h
+++ b/src/user_mbedtls_config.h
@@ -77,7 +77,6 @@
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_ECP_C
 #define MBEDTLS_MD_C
-#define MBEDTLS_HMAC_DRBG_C
 #define MBEDTLS_CTR_DRBG_C
 #define MBEDTLS_ENTROPY_C
 #define MBEDTLS_CIPHER_C