blob: 1bef565c32f85b51045d2d0c231d1bb13a16b4ad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* vif.h
*
* This is the hypervisor end of the network code. The net_ring structure
* stored in each vif is placed on a shared page to interact with the guest VM.
*
* Copyright (c) 2002, A K Warfield and K A Fraser
*/
/* virtual network interface struct and associated defines. */
/* net_vif_st is the larger struct that describes a virtual network interface
* it contains a pointer to the net_ring_t structure that needs to be on a
* shared page between the hypervisor and guest. The vif struct is private
* to the hypervisor and is used primarily as a container to allow routing
* and interface administration. This define should eventually be moved to
* a non-shared interface file, as it is of no relevance to the guest.
*/
#include <hypervisor-ifs/network.h>
#include <xeno/skbuff.h>
typedef struct net_vif_st {
net_ring_t *net_ring;
int id;
struct sk_buff_head skb_list;
unsigned int domain;
// rules table goes here in next revision.
} net_vif_t;
/* VIF-related defines. */
#define MAX_GUEST_VIFS 2 // each VIF is a small overhead in task_struct
#define MAX_SYSTEM_VIFS 256
/* vif globals */
extern int sys_vif_count;
extern net_vif_t *sys_vif_list[];
/* vif prototypes */
net_vif_t *create_net_vif(int domain);
void destroy_net_vif(struct task_struct *p);
void add_default_net_rule(int vif_id, u32 ipaddr);
int net_get_target_vif(struct sk_buff *skb);
void add_default_net_rule(int vif_id, u32 ipaddr);
|
