From 3984a473244fa7640ca2a8b804646a1ca22d4943 Mon Sep 17 00:00:00 2001
From: Michael Zillgith <michael.zillgith@mz-automation.de>
Date: Thu, 18 Feb 2021 15:59:34 +0100
Subject: [PATCH] - Linux - Ethernet: replace IFF_PROMISC by IFF_ALLMULTI

---
 hal/ethernet/linux/ethernet_linux.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hal/ethernet/linux/ethernet_linux.c b/hal/ethernet/linux/ethernet_linux.c
index 728b5d10..3555c66a 100644
--- a/hal/ethernet/linux/ethernet_linux.c
+++ b/hal/ethernet/linux/ethernet_linux.c
@@ -142,7 +142,8 @@ getInterfaceIndex(int sock, const char* deviceName)
         return -1;
     }
 
-    ifr.ifr_flags |= IFF_PROMISC;
+    /* replace IFF_ALLMULTI by IFF_PROMISC to also receive unicast messages for other nodes */
+    ifr.ifr_flags |= IFF_ALLMULTI;
     if (ioctl (sock, SIOCSIFFLAGS, &ifr) == -1)
     {
         if (DEBUG_SOCKET)