2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2010, Lei Xia <lxia@northwestern.edu>
11 * Copyright (c) 2009, Yuan Tang <ytang@northwestern.edu>
12 * Copyright (c) 2010, The V3VEE Project <http://www.v3vee.org>
13 * All rights reserved.
15 * Author: Lei Xia <lxia@northwestern.edu>
16 * Yuan Tang <ytang@northwestern.edu>
18 * This is free software. You are permitted to use,
19 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
27 #include <palacios/vmm.h>
30 #define V3_VNET_POLLING_VECTOR 50
32 typedef enum {MAC_ANY=0, MAC_NOT, MAC_NONE, MAC_ADDR} mac_type_t; //for 'src_mac_qual' and 'dst_mac_qual'
33 typedef enum {LINK_INTERFACE=0, LINK_EDGE, LINK_ANY} link_type_t; //for 'type' and 'src_type' in struct routing
36 #define VNET_HASH_SIZE 17
37 #define ETHERNET_HEADER_LEN 14
38 #define ETHERNET_MTU 1500
39 #define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_MTU)
42 struct v3_vnet_route {
49 uint32_t dst_id; //link[dest] is the link to be used to send pkt
50 uint8_t dst_type; //EDGE|INTERFACE|ANY
53 uint8_t src_type; //EDGE|INTERFACE|ANY
54 } __attribute__((packed));
64 * IMPORTANT The next three fields must be grouped and packed together
65 * They are used to generate a hash value
68 uint8_t hash_buf[VNET_HASH_SIZE];
72 uint8_t header[ETHERNET_HEADER_LEN];
74 } __attribute__((packed));
75 } __attribute__((packed));
76 } __attribute__((packed));
79 #ifdef CONFIG_VNET_PROFILE
80 struct v3_vnet_profile{
81 uint64_t time_copy_from_guest;
82 uint64_t time_route_lookup;
83 uint64_t time_mallocfree;
84 uint64_t time_copy_to_guest;
85 uint64_t total_handle_time;
88 uint64_t total_exit_time;
91 uint64_t virtio_handle_start;
96 struct v3_vnet_bridge_xcall_args{
97 struct v3_vm_info * vm;
98 struct v3_vnet_pkt *vnet_pkts;
103 struct v3_vnet_dev_xcall_args{
104 struct v3_vm_info * vm;
108 struct v3_vnet_dev_ops {
109 int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt * pkt, void * dev_data);
110 void (*poll) (struct v3_vm_info *vm, void *dev_data);
111 void (*poll_xcall)(void *arg);
113 void (*start_tx)(void * dev_data);
114 void (*stop_tx)(void * dev_data);
117 struct v3_vnet_bridge_ops {
118 int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt pkt[], uint16_t pkt_num, void * private_data);
119 int (*xcall_input)(void *data);
120 void (*polling_pkt)(struct v3_vm_info * vm, void *private_data);
124 int v3_vnet_send_pkt(struct v3_vnet_pkt * pkt, void *private_data);
126 int v3_vnet_add_route(struct v3_vnet_route route);
130 int v3_vnet_add_bridge(struct v3_vm_info * vm,
131 /*int (*input)(struct v3_vm_info * vm, struct v3_vnet_pkt pkt[], uint16_t pkt_num, void * private_data),
132 void (*xcall_input)(void *data),
133 int (*poll_pkt)(struct v3_vm_info * vm, void * private_data),*/
134 struct v3_vnet_bridge_ops *ops,
137 int v3_vnet_add_dev(struct v3_vm_info *info, uint8_t mac[6],
138 struct v3_vnet_dev_ops *ops,
141 void v3_vnet_poll(struct v3_vm_info *vm);
143 /* enable a vnet device, tell VNET can send pkts to it */
144 int v3_vnet_enable_device(int dev_id);
146 /* tell VNET stop sending pkts to it */
147 int v3_vnet_disable_device(int dev_id);