* and the University of New Mexico. You can find out more at
* http://www.v3vee.org
*
- * Copyright (c) 2009, Lei Xia <lxia@northwestern.edu>
+ * Copyright (c) 2010, Lei Xia <lxia@northwestern.edu>
* Copyright (c) 2009, Yuan Tang <ytang@northwestern.edu>
- * Copyright (c) 2009, The V3VEE Project <http://www.v3vee.org>
+ * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org>
* All rights reserved.
*
* Author: Lei Xia <lxia@northwestern.edu>
#ifndef __VNET_H__
#define __VNET_H__
+#ifdef __V3VEE__
+
#include <palacios/vmm.h>
-#include <palacios/vmm_string.h>
-#include <palacios/vmm_types.h>
-#include <palacios/vmm_queue.h>
-#include <palacios/vmm_hashtable.h>
-#include <palacios/vmm_sprintf.h>
-typedef enum {MAC_ANY, MAC_NOT, MAC_NONE} mac_type_t; //for 'src_mac_qual' and 'dst_mac_qual'
-typedef enum {LINK_INTERFACE, LINK_EDGE, LINK_ANY} link_type_t; //for 'type' and 'src_type' in struct routing
+
+#define V3_VNET_POLLING_VECTOR 50
+
+typedef enum {MAC_ANY=0, MAC_NOT, MAC_NONE, MAC_ADDR} mac_type_t; //for 'src_mac_qual' and 'dst_mac_qual'
+typedef enum {LINK_INTERFACE=0, LINK_EDGE, LINK_ANY} link_type_t; //for 'type' and 'src_type' in struct routing
+
+
+#define VNET_HASH_SIZE 17
+#define ETHERNET_HEADER_LEN 14
+#define ETHERNET_MTU 1500
+#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_MTU)
//routing table entry
struct v3_vnet_route {
- char src_mac[6];
- char dest_mac[6];
+ uint8_t src_mac[6];
+ uint8_t dst_mac[6];
- mac_type_t src_mac_qual;
- mac_type_t dest_mac_qual;
+ uint8_t src_mac_qual;
+ uint8_t dst_mac_qual;
- int link_idx; //link[dest] is the link to be used to send pkt
- link_type_t link_type; //EDGE|INTERFACE|ANY
+ uint32_t dst_id; //link[dest] is the link to be used to send pkt
+ uint8_t dst_type; //EDGE|INTERFACE|ANY
- int src_link_idx;
- link_type_t src_type; //EDGE|INTERFACE|ANY
+ uint32_t src_id;
+ uint8_t src_type; //EDGE|INTERFACE|ANY
+} __attribute__((packed));
+
+
+struct v3_vnet_pkt {
+ uint32_t size;
+
+ uint8_t dst_type;
+ uint32_t dst_id;
+
+ /*
+ * IMPORTANT The next three fields must be grouped and packed together
+ * They are used to generate a hash value
+ */
+ union {
+ uint8_t hash_buf[VNET_HASH_SIZE];
+ struct {
+ uint8_t src_type;
+ uint32_t src_id;
+ uint8_t header[ETHERNET_HEADER_LEN];
+ uint8_t *data;
+ } __attribute__((packed));
+ } __attribute__((packed));
+} __attribute__((packed));
+
+
+#ifdef CONFIG_VNET_PROFILE
+struct v3_vnet_profile{
+ uint64_t time_copy_from_guest;
+ uint64_t time_route_lookup;
+ uint64_t time_mallocfree;
+ uint64_t time_copy_to_guest;
+ uint64_t total_handle_time;
+ uint64_t memcpy_time;
+
+ uint64_t total_exit_time;
+ bool print;
+
+ uint64_t virtio_handle_start;
};
+#endif
-int v3_vnet_send_rawpkt(uchar_t *buf, int len, void *private_data);
-int v3_vnet_send_udppkt(uchar_t *buf, int len, void *private_data);
+struct v3_vnet_bridge_xcall_args{
+ struct v3_vm_info * vm;
+ struct v3_vnet_pkt *vnet_pkts;
+ uint16_t pkt_num;
+ void * private_data;
+};
-int v3_vnet_add_route(struct v3_vnet_route *route);
+struct v3_vnet_dev_xcall_args{
+ struct v3_vm_info * vm;
+ void * private_data;
+};
-//int v3_vnet_del_route();
-//int v3_vnet_get_routes();
+struct v3_vnet_dev_ops {
+ int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt * pkt, void * dev_data);
+ void (*poll) (struct v3_vm_info *vm, void *dev_data);
+ void (*poll_xcall)(void *arg);
+ void (*start_tx)(void * dev_data);
+ void (*stop_tx)(void * dev_data);
+};
-//int v3_vnet_add_link(struct v3_vnet_link link);
+struct v3_vnet_bridge_ops {
+ int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt pkt[], uint16_t pkt_num, void * private_data);
+ int (*xcall_input)(void *data);
+ void (*polling_pkt)(struct v3_vm_info * vm, void *private_data);
+};
+
-// int v3_vnet_del_link();
-//int v3_vnet_get_link(int idx, struct vnet_link * link);
+int v3_vnet_send_pkt(struct v3_vnet_pkt * pkt, void *private_data);
+int v3_vnet_add_route(struct v3_vnet_route route);
int v3_init_vnet();
-//int v3_vnet_add_bridge(struct v3_vm_info * vm, uint8_t mac[6]);
+int v3_vnet_add_bridge(struct v3_vm_info * vm,
+ /*int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt pkt[], uint16_t pkt_num, void * private_data),
+ void (*xcall_input)(void *data),
+ int (*poll_pkt)(struct v3_vm_info * vm, void * private_data),*/
+ struct v3_vnet_bridge_ops *ops,
+ void * priv_data);
-int v3_vnet_add_node(struct v3_vm_info *info,
- char * dev_name,
- uchar_t mac[6],
- int (*netif_input)(struct v3_vm_info * vm, uchar_t * pkt, uint_t size, void * private_data),
+int v3_vnet_add_dev(struct v3_vm_info *info, uint8_t mac[6],
+ struct v3_vnet_dev_ops *ops,
void * priv_data);
+void v3_vnet_poll(struct v3_vm_info *vm);
+
+/* enable a vnet device, tell VNET can send pkts to it */
+int v3_vnet_enable_device(int dev_id);
-// temporary hack
-int v3_vnet_pkt_process();
+/* tell VNET stop sending pkts to it */
+int v3_vnet_disable_device(int dev_id);
+#endif
#endif
