From 87daa1e4af1ec47e4e7db35e0f9cc67b9641b6fc Mon Sep 17 00:00:00 2001
From: Yves Marx <mymarx@outlook.fr>
Date: Sun, 2 Aug 2026 22:25:20 +0200
Subject: [PATCH] Fix: fixes the STM32 Ethernet driver broadcast filter value

---
 stm32/netxduo/ethernet/nx_stm32_eth_driver.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/stm32/netxduo/ethernet/nx_stm32_eth_driver.c b/stm32/netxduo/ethernet/nx_stm32_eth_driver.c
index 5ca0d05..7b1ace0 100644
--- a/stm32/netxduo/ethernet/nx_stm32_eth_driver.c
+++ b/stm32/netxduo/ethernet/nx_stm32_eth_driver.c
@@ -1495,7 +1495,10 @@ static UINT  _nx_driver_hardware_initialize(NX_IP_DRIVER *driver_req_ptr)
   FilterConfig.HashMulticast = DISABLE;
   FilterConfig.DestAddrInverseFiltering = DISABLE;
   FilterConfig.PassAllMulticast = DISABLE;
-  FilterConfig.BroadcastFilter = ENABLE;
+  /* Note: In some old HAL implementations (STM32F7 and STM32H7), a bug
+  requires setting BroadcastFilter to ENABLE (the behavior of the ENABLE
+  and DISABLED values is flipped). */
+  FilterConfig.BroadcastFilter = DISABLE;
   FilterConfig.SrcAddrInverseFiltering = DISABLE;
   FilterConfig.SrcAddrFiltering = DISABLE;
   FilterConfig.HachOrPerfectFilter = DISABLE;