* 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, Jack Lange <jarusl@cs.northwestern.edu>
- * Copyright (c) 2009, Peter Dinda <pdinda@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>
-#define ETHERNET_HEADER_LEN 14
-#define ETHERNET_DATA_MIN 46
-#define ETHERNET_DATA_MAX 1500
-#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_DATA_MAX)
-typedef enum {MAC_ANY, MAC_NOT, MAC_NONE, MAC_EMPTY} 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
-typedef enum {TCP_TYPE, UDP_TYPE, NONE_TYPE} prot_type_t;
+#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 routing_entry{
- char src_mac[6];
- char dest_mac[6];
+struct v3_vnet_route {
+ uint8_t src_mac[6];
+ uint8_t dst_mac[6];
- int src_mac_qual;
- int 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
-}__attribute__((packed));
+ uint32_t src_id;
+ uint8_t src_type; //EDGE|INTERFACE|ANY
+} __attribute__((packed));
-struct vnet_if_device {
- char name[50];
- uchar_t mac_addr[6];
- struct vm_device *dev;
+struct v3_vnet_pkt {
+ uint32_t size;
- int (*input)(uchar_t *data, uint32_t len, void *private_data);
-
- void *private_data;
-}__attribute__((packed));
+ 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));
-#define VNET_HEADER_LEN 64
-struct vnet_if_link {
- prot_type_t pro_type; //protocal type of this link
- unsigned long dest_ip;
- uint16_t dest_port;
- uchar_t vnet_header[VNET_HEADER_LEN]; //header applied to the packet in/out from this link
- uint16_t hdr_len;
+#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;
- int (*input)(uchar_t *data, uint32_t len, void *private_data);
-
- void *private_data;
-}__attribute__((packed));
+ uint64_t total_exit_time;
+ bool print;
+ uint64_t virtio_handle_start;
+};
+#endif
-//link table entry
-struct link_entry {
- link_type_t type;
-
- union {
- struct vnet_if_device *dst_dev;
- struct vnet_if_link *dst_link;
- } __attribute__((packed));
- int use;
-}__attribute__((packed));
+struct v3_vnet_bridge_xcall_args{
+ struct v3_vm_info * vm;
+ struct v3_vnet_pkt *vnet_pkts;
+ uint16_t pkt_num;
+ void * private_data;
+};
+
+struct v3_vnet_dev_xcall_args{
+ struct v3_vm_info * vm;
+ void * private_data;
+};
+
+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);
+};
+
+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_send_pkt(struct v3_vnet_pkt * pkt, void *private_data);
+int v3_vnet_add_route(struct v3_vnet_route route);
-int v3_vnet_send_pkt(uchar_t *buf, int length);
-//int vnet_register_device(struct vm_device *vdev,
-// char *dev_name,
-// uchar_t mac[6],
-// int (*netif_input)(uchar_t * pkt, uint_t size, void *private_data),
-// void *data);
-//int vnet_unregister_device(char *dev_name);
+int v3_init_vnet();
-int v3_vnet_pkt_process();
+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);
-void v3_vnet_init(struct guest_info *vm);
+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);
+
+/* tell VNET stop sending pkts to it */
+int v3_vnet_disable_device(int dev_id);
+
+#endif
#endif
