X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_vnet.h;h=baeb15af2395b390403d7dbe1a20df6925df106c;hb=5b1f618cf74dbcd7e490fa3fe4da5a4c53d79b5d;hp=0c2ded995e2afe4b7321964ce282645ae4202a67;hpb=3c073d909a9307685307ec597800fad9cca483cc;p=palacios.git diff --git a/palacios/include/palacios/vmm_vnet.h b/palacios/include/palacios/vmm_vnet.h index 0c2ded9..baeb15a 100644 --- a/palacios/include/palacios/vmm_vnet.h +++ b/palacios/include/palacios/vmm_vnet.h @@ -7,17 +7,13 @@ * 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 * Yuan Tang - * Jack Lange - * Peter Dinda -#include -#include -#include -#include -#include -#include +#define MAC_ANY 0 +#define MAC_NOT 1 +#define MAC_NONE 2 +#define MAC_ADDR 3 -#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 SOCK int - -//the routing entry -struct routing{ - char src_mac[6]; - char dest_mac[6]; - - int src_mac_qual; - int dest_mac_qual; - - 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 - - int use; +#define LINK_INTERFACE 0 +#define LINK_EDGE 1 +#define LINK_ANY 2 - int next; - int prev; - // struct list_head entry_list; -}; - -//struct gen_route { - // uint_t num_entries; - // struct list_head entries; -//} - - //This is the structure that stores the topology -struct topology { - SOCK link_sock; - - unsigned long dest; - - // Port for UDP - unsigned short remote_port; - - int use; - int type; //TCP=0, UDP=1,VTP=2, can be extended so on +#define VNET_HASH_SIZE 17 +#define ETHERNET_HEADER_LEN 14 +#define ETHERNET_MTU 1500 +#define ETHERNET_PACKET_LEN (ETHERNET_HEADER_LEN + ETHERNET_MTU) - int next; - int prev; -}; +#define VMM_DRIVERN 1 +#define GUEST_DRIVERN 0 -struct sock_list { - SOCK sock; +#define HOST_LNX_BRIDGE 1 +#define CTL_VM_BRIDGE 2 - int next; - int prev; -}; +//routing table entry +struct v3_vnet_route { + uint8_t src_mac[6]; + uint8_t dst_mac[6]; + uint8_t src_mac_qual; + uint8_t dst_mac_qual; -#define GENERAL_NIC 0 + uint32_t dst_id; + uint8_t dst_type; + + uint32_t src_id; + uint8_t src_type; +} __attribute__((packed)); -struct ethAddr{ - char addr[6]; -}; -struct vnet_if_device { - char name[50]; - struct ethAddr device_addr; +struct v3_vnet_pkt { + uint32_t size; - int (*input)(uchar_t * pkt, uint_t size); - - void * data; -}; - - -struct device_list { - struct vnet_if_device *device; - - int use; - int type; - - int next; - int prev; + 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 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); }; -// 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]; +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 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_Send_pkt(uchar_t *buf, int length); -int v3_Register_pkt_event(int (*netif_input)(uchar_t * pkt, uint_t size)); - - -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); +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_pkt_process(); +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); -void v3_vnet_init(); #endif