* 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>
* Yuan Tang <ytang@northwestern.edu>
- * Jack Lange <jarusl@cs.northwestern.edu>
- * Peter Dinda <pdinda@northwestern.edu
*
* This is free software. You are permitted to use,
* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
#ifndef __VNET_H__
#define __VNET_H__
-#include <palacios/vmm.h>
-#include <palacios/vmm_string.h>
-#include <palacios/vmm_types.h>
-#include <palacios/vmm_queue.h>
-#include <palacios/vmm_socket.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)
+#ifdef __V3VEE__
-#define SOCK int
+#include <palacios/vmm.h>
-//the routing entry
-struct routing{
- char src_mac[6];
- char dest_mac[6];
- int src_mac_qual;
- int dest_mac_qual;
+#define V3_VNET_POLLING_VECTOR 50
- int dest; //link[dest] is the link to be used to send pkt
- int type; //EDGE|INTERFACE|ANY
-
- int src;
- int src_type; //EDGE|INTERFACE|ANY
+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
- int use;
- int next;
- int prev;
- // struct list_head entry_list;
-};
-
-//struct gen_route {
- // uint_t num_entries;
- // struct list_head entries;
-//}
+#define VNET_HASH_SIZE 17
+#define ETHERNET_HEADER_LEN 14
+#define ETHERNET_MTU 1500
+#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_MTU)
- //This is the structure that stores the topology
-struct topology {
- SOCK link_sock;
+//routing table entry
+struct v3_vnet_route {
+ uint8_t src_mac[6];
+ uint8_t dst_mac[6];
- unsigned long dest;
+ uint8_t src_mac_qual;
+ uint8_t dst_mac_qual;
- // Port for UDP
- unsigned short remote_port;
+ uint32_t dst_id; //link[dest] is the link to be used to send pkt
+ uint8_t dst_type; //EDGE|INTERFACE|ANY
+
+ uint32_t src_id;
+ uint8_t src_type; //EDGE|INTERFACE|ANY
+} __attribute__((packed));
- int use;
- int type; //TCP=0, UDP=1,VTP=2, can be extended so on
- int next;
- int prev;
+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
-struct sock_list {
- SOCK sock;
- int next;
- int prev;
+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;
+};
-#define GENERAL_NIC 0
+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);
-struct ethAddr{
- char addr[6];
+ void (*start_tx)(void * dev_data);
+ void (*stop_tx)(void * dev_data);
};
-struct vnet_if_device {
- char name[50];
- struct ethAddr device_addr;
-
- int (*input)(uchar_t * pkt, uint_t size);
-
- void * 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);
-struct device_list {
- struct vnet_if_device *device;
-
- int use;
- int type;
+int v3_vnet_add_route(struct v3_vnet_route route);
- int next;
- int prev;
-};
-
-// 14 (ethernet frame) + 20 bytes
-struct HEADERS {
- char ethernetdest[6];
- char ethernetsrc[6];
- unsigned char ethernettype[2]; // indicates layer 3 protocol type
- char ip[20];
-};
+int v3_init_vnet();
-#define FOREACH(iter, list, start) for (iter = start; iter != -1; iter = list[iter].next)
-#define FOREACH_SOCK(iter, socks, start) FOREACH(iter, socks, start)
-#define FOREACH_LINK(iter, links, start) FOREACH(iter, links, start)
-#define FOREACH_ROUTE(iter, routes, start) FOREACH(iter, routes, start)
-#define FOREACH_DEVICE(iter, devices, start) FOREACH(iter, devices, start)
+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_dev(struct v3_vm_info *info, uint8_t mac[6],
+ struct v3_vnet_dev_ops *ops,
+ void * priv_data);
-int v3_Send_pkt(uchar_t *buf, int length);
-int v3_Register_pkt_event(int (*netif_input)(uchar_t * pkt, uint_t size));
+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);
-int vnet_send_pkt(char *buf, int length);
-int vnet_register_pkt_event(char *dev_name, int (*netif_input)(uchar_t * pkt, uint_t size), void *data);
+/* tell VNET stop sending pkts to it */
+int v3_vnet_disable_device(int dev_id);
-int v3_vnet_pkt_process();
-
-void v3_vnet_init();
+#endif
#endif
