summaryrefslogtreecommitdiff
path: root/net.h
blob: fe5ece7c0ed1d063d6ece539dcfb686315fcbc52 (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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#ifndef QEMU_NET_H
#define QEMU_NET_H

#include "qemu-common.h"

/* VLANs support */

typedef ssize_t (IOReadvHandler)(void *, const struct iovec *, int);

typedef struct VLANClientState VLANClientState;

typedef void (NetCleanup) (VLANClientState *);
typedef void (LinkStatusChanged)(VLANClientState *);

struct VLANClientState {
    IOReadHandler *fd_read;
    IOReadvHandler *fd_readv;
    /* Packets may still be sent if this returns zero.  It's used to
       rate-limit the slirp code.  */
    IOCanRWHandler *fd_can_read;
    NetCleanup *cleanup;
    LinkStatusChanged *link_status_changed;
    int link_down;
    void *opaque;
    struct VLANClientState *next;
    struct VLANState *vlan;
    char *model;
    char *name;
    char info_str[256];
};

typedef struct VLANPacket VLANPacket;

struct VLANPacket {
    struct VLANPacket *next;
    VLANClientState *sender;
    int size;
    uint8_t data[0];
};

struct VLANState {
    int id;
    VLANClientState *first_client;
    struct VLANState *next;
    unsigned int nb_guest_devs, nb_host_devs;
    VLANPacket *send_queue;
    int delivering;
};

VLANState *qemu_find_vlan(int id);
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
                                      const char *model,
                                      const char *name,
                                      IOReadHandler *fd_read,
                                      IOCanRWHandler *fd_can_read,
                                      NetCleanup *cleanup,
                                      void *opaque);
void qemu_del_vlan_client(VLANClientState *vc);
VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
int qemu_can_send_packet(VLANClientState *vc);
ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
                          int iovcnt);
void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
void qemu_check_nic_model(NICInfo *nd, const char *model);
void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
                               const char *default_model);
void qemu_handler_true(void *opaque);

void do_info_network(Monitor *mon);
int do_set_link(Monitor *mon, const char *name, const char *up_or_down);

/* NIC info */

#define MAX_NICS 8

struct NICInfo {
    uint8_t macaddr[6];
    const char *model;
    const char *name;
    VLANState *vlan;
    void *private;
    int used;
};

extern int nb_nics;
extern NICInfo nd_table[MAX_NICS];

/* BT HCI info */

struct HCIInfo {
    int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
    void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
    void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
    void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
    void *opaque;
    void (*evt_recv)(void *opaque, const uint8_t *data, int len);
    void (*acl_recv)(void *opaque, const uint8_t *data, int len);
};

struct HCIInfo *qemu_next_hci(void);

/* checksumming functions (net-checksum.c) */
uint32_t net_checksum_add(int len, uint8_t *buf);
uint16_t net_checksum_finish(uint32_t sum);
uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
                             uint8_t *addrs, uint8_t *buf);
void net_checksum_calculate(uint8_t *data, int length);

/* from net.c */
int net_client_init(const char *device, const char *p);
void net_client_uninit(NICInfo *nd);
int net_client_parse(const char *str);
void net_slirp_smb(const char *exported_dir);
void net_slirp_redir(const char *redir_str);
void net_cleanup(void);
int slirp_is_inited(void);
void net_client_check(void);
void net_host_device_add(Monitor *mon, const char *device, const char *opts);
void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);

#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
#ifdef __sun__
#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
#else
#define SMBD_COMMAND "/usr/sbin/smbd"
#endif

#endif