From: Lei Xia <lxia@northwestern.edu>
Date: Thu, 18 Nov 2010 17:30:48 +0000 (-0600)
Subject: add raw packet interface
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=13d8e5d4035b90bf1ab8b1da115c7d6310c76526;p=palacios.git

add raw packet interface
---

diff --git a/palacios/include/palacios/vmm_host_events.h b/palacios/include/palacios/vmm_host_events.h
index b762501..c811373 100644
--- a/palacios/include/palacios/vmm_host_events.h
+++ b/palacios/include/palacios/vmm_host_events.h
@@ -43,6 +43,11 @@ struct v3_console_event {
     unsigned int cmd;
 };
 
+struct v3_packet_event {
+    unsigned char * pkt;
+    unsigned int size;
+};
+
 #ifdef __V3VEE__
 
 #include <palacios/vmm_list.h>
@@ -53,7 +58,8 @@ typedef enum { HOST_KEYBOARD_EVT,
 	       HOST_MOUSE_EVT, 
 	       HOST_TIMER_EVT,
 	       HOST_CONSOLE_EVT,
-	       HOST_SERIAL_EVT } v3_host_evt_type_t;
+	       HOST_SERIAL_EVT,
+	       HOST_PACKET_EVT} v3_host_evt_type_t;
 
 
 union v3_host_event_handler {
@@ -62,6 +68,7 @@ union v3_host_event_handler {
     int (*timer_handler)(struct v3_vm_info * vm, struct v3_timer_event * evt, void * priv_data);
     int (*serial_handler)(struct v3_vm_info * vm, struct v3_serial_event * evt, void * priv_data);
     int (*console_handler)(struct v3_vm_info * vm, struct v3_console_event * evt, void * priv_data);
+    int (*packet_handler)(struct v3_vm_info * vm, struct v3_packet_event * evt, void * priv_data);
 };
 
 
@@ -79,6 +86,7 @@ struct v3_host_events {
     struct list_head timer_events;
     struct list_head serial_events;
     struct list_head console_events;
+    struct list_head packet_events;
 };
 
 
@@ -101,7 +109,7 @@ int v3_deliver_mouse_event(struct v3_vm_info * vm, struct v3_mouse_event * evt);
 int v3_deliver_timer_event(struct v3_vm_info * vm, struct v3_timer_event * evt);
 int v3_deliver_serial_event(struct v3_vm_info * vm, struct v3_serial_event * evt);
 int v3_deliver_console_event(struct v3_vm_info * vm, struct v3_console_event * evt);
-
+int v3_deliver_packet_event(struct v3_vm_info * vm, struct v3_packet_event * evt);
 
 
 #endif
diff --git a/palacios/include/palacios/vmm_packet.h b/palacios/include/palacios/vmm_packet.h
new file mode 100644
index 0000000..78585c1
--- /dev/null
+++ b/palacios/include/palacios/vmm_packet.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2010, Lei Xia <lxia@northwestern.edu> 
+ * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Lei Xia <lxia@northwestern.edu> 
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#ifndef __VMM_PACKET_H__
+#define __VMM_PACKET_H__
+
+#include <palacios/vmm.h>
+
+#ifdef __V3VEE__
+
+#define V3_send_Raw(pkt, size, data) ({				\
+	    extern struct v3_packet_hooks * packet_hooks;		\
+	    int ret;									\
+	    if ((packet_hooks) && (packet_hooks)->send) {	\
+		ret = (packet_hooks)->send(pkt,size,data);		\
+	    }							\
+	    ret;						\
+	})
+
+#endif
+
+
+struct v3_packet_hooks {
+
+    int (*send)(const char * pkt, const int size, void * private_data);
+
+};
+
+
+extern void V3_Init_Packet(struct v3_packet_hooks * hooks);
+
+#endif
diff --git a/palacios/src/palacios/vmm_host_events.c b/palacios/src/palacios/vmm_host_events.c
index bbacce5..2f52e30 100644
--- a/palacios/src/palacios/vmm_host_events.c
+++ b/palacios/src/palacios/vmm_host_events.c
@@ -30,6 +30,7 @@ int v3_init_host_events(struct v3_vm_info * vm) {
     INIT_LIST_HEAD(&(host_evts->timer_events));
     INIT_LIST_HEAD(&(host_evts->serial_events));
     INIT_LIST_HEAD(&(host_evts->console_events));
+    INIT_LIST_HEAD(&(host_evts->packet_events));
 
     return 0;
 }
@@ -68,6 +69,9 @@ int v3_hook_host_event(struct v3_vm_info * vm,
 	case HOST_CONSOLE_EVT:
 	    list_add(&(hook->link), &(host_evts->console_events));
 	    break;
+	case HOST_PACKET_EVT:
+	    list_add(&(hook->link), &(host_evts->packet_events));
+	    break;
     }
 
     return 0;
@@ -198,3 +202,30 @@ int v3_deliver_console_event(struct v3_vm_info * vm,
     return 0;
 }
 
+
+int v3_deliver_packet_event(struct v3_vm_info * vm, 
+			     struct v3_packet_event * evt) {
+    struct v3_host_events * host_evts = NULL;
+    struct v3_host_event_hook * hook = NULL;
+
+    if (vm == NULL) {
+	vm = v3_get_foreground_vm();
+    }
+
+    host_evts = &(vm->host_event_hooks);
+
+    if (vm->run_state != VM_RUNNING) {
+	return -1;
+    }
+
+    list_for_each_entry(hook, &(host_evts->packet_events), link) {
+	if (hook->cb.packet_handler(vm, evt, hook->private_data) == -1) {
+	    return -1;
+	}
+    }
+
+    return 0;
+}
+
+
+