X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_vnet.h;h=baeb15af2395b390403d7dbe1a20df6925df106c;hb=107d8f06c7083f58fc96d781efb0226edd82c7d9;hp=d6fd9b15c44c2baf49372892ae369ec021cf99a0;hpb=9cabe082ba8acd1b88e6414199b5cc544aadf826;p=palacios.git diff --git a/palacios/include/palacios/vmm_vnet.h b/palacios/include/palacios/vmm_vnet.h index d6fd9b1..baeb15a 100644 --- a/palacios/include/palacios/vmm_vnet.h +++ b/palacios/include/palacios/vmm_vnet.h @@ -7,11 +7,9 @@ * and the University of New Mexico. You can find out more at * http://www.v3vee.org * - * Copyright (c) 2009, Lei Xia + * Copyright (c) 2010, Lei Xia * Copyright (c) 2009, Yuan Tang - * Copyright (c) 2009, Jack Lange - * Copyright (c) 2009, Peter Dinda + * Copyright (c) 2010, The V3VEE Project * All rights reserved. * * Author: Lei Xia @@ -25,87 +23,96 @@ #define __VNET_H__ #include -#include -#include -#include -#include -#include -#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_ANY 0 +#define MAC_NOT 1 +#define MAC_NONE 2 +#define MAC_ADDR 3 -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_INTERFACE 0 +#define LINK_EDGE 1 +#define LINK_ANY 2 -//routing table entry -struct routing_entry{ - char src_mac[6]; - char dest_mac[6]; +#define VNET_HASH_SIZE 17 +#define ETHERNET_HEADER_LEN 14 +#define ETHERNET_MTU 1500 +#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_MTU) - int src_mac_qual; - int dest_mac_qual; +#define VMM_DRIVERN 1 +#define GUEST_DRIVERN 0 - int link_idx; //link[dest] is the link to be used to send pkt - link_type_t link_type; //EDGE|INTERFACE|ANY - - int src_link_idx; - link_type_t src_type; //EDGE|INTERFACE|ANY -}__attribute__((packed)); +#define HOST_LNX_BRIDGE 1 +#define CTL_VM_BRIDGE 2 +//routing table entry +struct v3_vnet_route { + uint8_t src_mac[6]; + uint8_t dst_mac[6]; -struct vnet_if_device { - char name[50]; - uchar_t mac_addr[6]; - struct vm_device *dev; - - int (*input)(uchar_t *data, uint32_t len, void *private_data); - - void *private_data; -}__attribute__((packed)); - + uint8_t src_mac_qual; + uint8_t dst_mac_qual; -#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; + uint32_t dst_id; + uint8_t dst_type; + + uint32_t src_id; + uint8_t src_type; +} __attribute__((packed)); - uchar_t vnet_header[VNET_HEADER_LEN]; //header applied to the packet in/out from this link - uint16_t hdr_len; - int (*input)(uchar_t *data, uint32_t len, void *private_data); +struct v3_vnet_pkt { + uint32_t size; - void *private_data; -}__attribute__((packed)); + uint8_t dst_type; + uint32_t dst_id; - -//link table entry -struct link_entry { - link_type_t type; - + /* + * IMPORTANT The next three fields must be grouped and packed together + * They are used to generate a hash value + */ union { - struct vnet_if_device *dst_dev; - struct vnet_if_link *dst_link; + 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 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 (*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, + void * private_data); + void (*poll)(struct v3_vm_info * vm, + void * private_data); +}; + +int v3_init_vnet(void); +int v3_vnet_send_pkt(struct v3_vnet_pkt * pkt, void * private_data); +void v3_vnet_poll(struct v3_vm_info * vm); + +int v3_vnet_add_route(struct v3_vnet_route route); +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_dev(struct v3_vm_info * info, uint8_t mac[6], + struct v3_vnet_dev_ops * ops, + void * priv_data); - int use; -}__attribute__((packed)); - - -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_vnet_pkt_process(); - -void v3_vnet_init(struct guest_info *vm); #endif