X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_vnet.h;h=d6fd9b15c44c2baf49372892ae369ec021cf99a0;hp=0c2ded995e2afe4b7321964ce282645ae4202a67;hb=9cabe082ba8acd1b88e6414199b5cc544aadf826;hpb=9c7773b6ae7d051317d770a494794d669a8224eb diff --git a/palacios/include/palacios/vmm_vnet.h b/palacios/include/palacios/vmm_vnet.h index 0c2ded9..d6fd9b1 100644 --- a/palacios/include/palacios/vmm_vnet.h +++ b/palacios/include/palacios/vmm_vnet.h @@ -16,8 +16,6 @@ * * Author: Lei Xia * Yuan Tang - * Jack Lange - * Peter Dinda #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 SOCK int +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; -//the routing entry -struct routing{ +//routing table entry +struct routing_entry{ 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 link_idx; //link[dest] is the link to be used to send pkt + link_type_t link_type; //EDGE|INTERFACE|ANY - int src; - int src_type; //EDGE|INTERFACE|ANY - - int use; - - 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 + int src_link_idx; + link_type_t src_type; //EDGE|INTERFACE|ANY +}__attribute__((packed)); - int next; - int prev; -}; - -struct sock_list { - SOCK sock; - - int next; - int prev; -}; - - -#define GENERAL_NIC 0 - -struct ethAddr{ - char addr[6]; -}; struct vnet_if_device { char name[50]; - struct ethAddr device_addr; + uchar_t mac_addr[6]; + struct vm_device *dev; - int (*input)(uchar_t * pkt, uint_t size); + int (*input)(uchar_t *data, uint32_t len, void *private_data); - void * data; -}; + void *private_data; +}__attribute__((packed)); -struct device_list { - struct vnet_if_device *device; +#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; - int use; - int type; - - int next; - int prev; -}; + uchar_t vnet_header[VNET_HEADER_LEN]; //header applied to the packet in/out from this link + uint16_t hdr_len; -// 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 (*input)(uchar_t *data, uint32_t len, void *private_data); + + void *private_data; +}__attribute__((packed)); -#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) +//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_Send_pkt(uchar_t *buf, int length); -int v3_Register_pkt_event(int (*netif_input)(uchar_t * pkt, uint_t size)); + int use; +}__attribute__((packed)); -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_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(); +int v3_vnet_pkt_process(); -void v3_vnet_init(); +void v3_vnet_init(struct guest_info *vm); #endif