retrieve the incoming interface on the domain_receive_adapter(). This should fix potential issues with packets addressed to the IP broadcast address, such as in with some DHCP implementations.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20767 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/net/net_stack.h

@@ -35,7 +35,8 @@ struct net_timer {
 };
 
 typedef int32 (*net_deframe_func)(struct net_device *device, struct net_buffer *buffer);
-typedef status_t (*net_receive_func)(void *cookie, struct net_buffer *buffer);
+typedef status_t (*net_receive_func)(void *cookie, struct net_device *,
+	struct net_buffer *buffer);
 
 enum {
 	B_DEVICE_GOING_UP = 1,

src/add-ons/kernel/network/datalink_protocols/arp/arp.cpp

@@ -401,7 +401,7 @@ handle_arp_reply(net_buffer *buffer, arp_header &header)
 
 
 static status_t
-arp_receive(void *cookie, net_buffer *buffer)
+arp_receive(void *cookie, net_device *device, net_buffer *buffer)
 {
 	TRACE(("ARP receive\n"));
 

src/add-ons/kernel/network/protocols/ipv4/ipv4.cpp

@@ -1487,12 +1487,8 @@ ipv4_receive_data(net_buffer *buffer)
 
 	if (header.destination == INADDR_BROADCAST) {
 		buffer->flags |= MSG_BCAST;
-		// TODO set incoming interface. we should have some notion from which
-		//      device interface this buffer is coming from.
-		buffer->interface = NULL;
 	} else if (IN_MULTICAST(header.destination)) {
 		buffer->flags |= MSG_MCAST;
-		buffer->interface = NULL;
 	} else {
 		uint32 matchedAddressType = 0;
 		// test if the packet is really for us

src/add-ons/kernel/network/stack/datalink.cpp

@@ -74,7 +74,7 @@ device_reader_thread(void *_interface)
 					net_device_handler *handler = iterator.Next();
 
 					if (handler->type == type) {
-						status = handler->func(handler->cookie, buffer);
+						status = handler->func(handler->cookie, device, buffer);
 						if (status == B_OK)
 							break;
 					}

src/add-ons/kernel/network/stack/interfaces.cpp

@@ -56,9 +56,11 @@ find_device_interface(const char *name)
 
 
 static status_t
-domain_receive_adapter(void *cookie, net_buffer *buffer)
+domain_receive_adapter(void *cookie, net_device *device, net_buffer *buffer)
 {
 	net_domain_private *domain = (net_domain_private *)cookie;
+
+	buffer->interface = find_interface(domain, device->index);
 	return domain->module->receive_data(buffer);
 }