From ef48b85e54ce5db99ac343d06ff4ec60ec439bcb Mon Sep 17 00:00:00 2001
From: Baptiste Wicht <baptiste.wicht@gmail.com>
Date: Mon, 26 Sep 2016 10:28:26 +0200
Subject: [PATCH] Handle MAC broadcast

---
 kernel/src/net/ip_layer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/src/net/ip_layer.cpp b/kernel/src/net/ip_layer.cpp
index a8733760..6a98271b 100644
--- a/kernel/src/net/ip_layer.cpp
+++ b/kernel/src/net/ip_layer.cpp
@@ -66,6 +66,11 @@ void prepare_packet(network::ethernet::packet& packet, network::interface_descri
 }
 
 std::expected<uint64_t> get_target_mac(network::interface_descriptor& interface, network::ip::address target_ip){
+    // Handle broadcast
+    if(target_ip == network::ip::make_address(255, 255, 255, 255)){
+        return 0xFFFFFFFFFFFF;
+    }
+
     // For loopback, there is no gateway
     if(interface.is_loopback()){
         return network::arp::get_mac_force(interface, target_ip, ARP_TIMEOUT);