* 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>
#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_hashtable.h>
-#include <palacios/vmm_sprintf.h>
+#include <palacios/vmm_ethernet.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)
+#define MAC_NOSET 0
+#define MAC_ANY 11
+#define MAC_NOT 12
+#define MAC_NONE 13
+#define MAC_ADDR 14
-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 LINK_NOSET 0
+#define LINK_INTERFACE 11
+#define LINK_EDGE 12
+#define LINK_ANY 13
+
+#define VNET_HASH_SIZE 17
//routing table entry
-struct routing_entry{
- char src_mac[6];
- char dest_mac[6];
+struct v3_vnet_route {
+ uint8_t src_mac[ETH_ALEN];
+ uint8_t dst_mac[ETH_ALEN];
- 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
+ int dst_id;
+ uint8_t dst_type;
- int src_link_idx;
- link_type_t src_type; //EDGE|INTERFACE|ANY
-}__attribute__((packed));
-
-
-struct eth_header {
- uchar_t dest[6];
- uchar_t src[6];
- uint16_t type; // indicates layer 3 protocol type
-}__attribute__((packed));
-
-struct ip_header {
- uint8_t version: 4;
- uint8_t hdr_len: 4;
- uchar_t tos;
- uint16_t total_len;
- uint16_t id;
- uint8_t flags: 3;
- uint16_t offset: 13;
- uchar_t ttl;
- uchar_t proto;
- uint16_t cksum;
- uint32_t src_addr;
- uint32_t dst_addr;
-}__attribute__((packed));
-
-struct udp_header {
- uint16_t src_port;
- uint16_t dst_port;
- uint16_t len;
- uint16_t csum;//set to zero, disable the xsum
-}__attribute__((packed));
-
-struct udp_link_header {
- struct eth_header eth_hdr;
- struct ip_header ip_hdr;
- struct udp_header udp_hdr;
-}__attribute__((packed));
-
-#define DEVICE_NAME_LEN 20
-struct vnet_if_device {
- char name[DEVICE_NAME_LEN];
- uchar_t mac_addr[6];
- struct vm_device *dev;
-
- int (*input)(uchar_t *data, uint32_t len, void *private_data);
+ int src_id;
+ uint8_t src_type;
+} __attribute__((packed));
+
+
+struct v3_vnet_pkt {
+ uint32_t size;
- 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));
-struct vnet_if_link {
- prot_type_t pro_type; //protocal type of this link
- unsigned long dest_ip;
- uint16_t dest_port;
+struct vnet_stat{
+ uint64_t tx_bytes;
+ uint32_t tx_pkts;
+ uint64_t rx_bytes;
+ uint32_t rx_pkts;
+};
- struct udp_link_header vnet_header; //header applied to the packet in/out from this link
- int (*input)(uchar_t *data, uint32_t len, void *private_data);
-
- void *private_data;
-}__attribute__((packed));
+struct v3_vnet_bridge_ops {
+ int (*input)(struct v3_vm_info * vm,
+ struct v3_vnet_pkt * pkt,
+ void * private_data);
+ void (*poll)(struct v3_vm_info * vm,
+ void * private_data);
+};
+#define HOST_LNX_BRIDGE 1
+#define CTL_VM_BRIDGE 2
-//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 v3_vnet_add_bridge(struct v3_vm_info * vm,
+ struct v3_vnet_bridge_ops * ops,
+ uint8_t type,
+ void * priv_data);
+int v3_vnet_add_route(struct v3_vnet_route route);
+int v3_vnet_send_pkt(struct v3_vnet_pkt * pkt, void * private_data);
+int v3_vnet_find_dev(uint8_t * mac);
+int v3_vnet_stat(struct vnet_stat * stats);
+
+#ifdef __V3VEE__
- int use;
-}__attribute__((packed));
+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, int budget, void * dev_data);
+};
+int v3_init_vnet(void);
+void v3_deinit_vnet(void);
-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);
-//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);
+void v3_vnet_do_poll(struct v3_vm_info * vm);
-int v3_vnet_pkt_process();
+int v3_vnet_add_dev(struct v3_vm_info * info, uint8_t * mac,
+ struct v3_vnet_dev_ops * ops,
+ void * priv_data);
+int v3_vnet_del_dev(int dev_id);
-void v3_vnet_init(struct guest_info *vm);
+#endif
#endif
