Statistics
| Branch: | Revision:

root / net.h @ bc578fe0

History | View | Annotate | Download (5.5 kB)

1
#ifndef QEMU_NET_H
2
#define QEMU_NET_H
3

    
4
#include "qemu-queue.h"
5
#include "qemu-common.h"
6
#include "qdict.h"
7
#include "qemu-option.h"
8

    
9
/* VLANs support */
10

    
11
typedef struct VLANClientState VLANClientState;
12

    
13
typedef int (NetCanReceive)(VLANClientState *);
14
typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
15
typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
16
typedef void (NetCleanup) (VLANClientState *);
17
typedef void (LinkStatusChanged)(VLANClientState *);
18

    
19
struct VLANClientState {
20
    NetReceive *receive;
21
    NetReceiveIOV *receive_iov;
22
    /* Packets may still be sent if this returns zero.  It's used to
23
       rate-limit the slirp code.  */
24
    NetCanReceive *can_receive;
25
    NetCleanup *cleanup;
26
    LinkStatusChanged *link_status_changed;
27
    int link_down;
28
    void *opaque;
29
    struct VLANClientState *next;
30
    struct VLANState *vlan;
31
    char *model;
32
    char *name;
33
    char info_str[256];
34
};
35

    
36
typedef struct VLANPacket VLANPacket;
37

    
38
typedef void (NetPacketSent) (VLANClientState *, ssize_t);
39

    
40
struct VLANPacket {
41
    QTAILQ_ENTRY(VLANPacket) entry;
42
    VLANClientState *sender;
43
    int size;
44
    NetPacketSent *sent_cb;
45
    uint8_t data[0];
46
};
47

    
48
struct VLANState {
49
    int id;
50
    VLANClientState *first_client;
51
    struct VLANState *next;
52
    unsigned int nb_guest_devs, nb_host_devs;
53
    QTAILQ_HEAD(send_queue, VLANPacket) send_queue;
54
    int delivering;
55
};
56

    
57
VLANState *qemu_find_vlan(int id, int allocate);
58
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
59
                                      const char *model,
60
                                      const char *name,
61
                                      NetCanReceive *can_receive,
62
                                      NetReceive *receive,
63
                                      NetReceiveIOV *receive_iov,
64
                                      NetCleanup *cleanup,
65
                                      void *opaque);
66
void qemu_del_vlan_client(VLANClientState *vc);
67
VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
68
int qemu_can_send_packet(VLANClientState *vc);
69
ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
70
                          int iovcnt);
71
ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
72
                                int iovcnt, NetPacketSent *sent_cb);
73
void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
74
ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
75
                               int size, NetPacketSent *sent_cb);
76
void qemu_purge_queued_packets(VLANClientState *vc);
77
void qemu_flush_queued_packets(VLANClientState *vc);
78
void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
79
int qemu_show_nic_models(const char *arg, const char *const *models);
80
void qemu_check_nic_model(NICInfo *nd, const char *model);
81
int qemu_find_nic_model(NICInfo *nd, const char * const *models,
82
                        const char *default_model);
83
void qemu_handler_true(void *opaque);
84

    
85
void do_info_network(Monitor *mon);
86
void do_set_link(Monitor *mon, const QDict *qdict);
87

    
88
void do_info_usernet(Monitor *mon);
89

    
90
/* NIC info */
91

    
92
#define MAX_NICS 8
93
enum {
94
        NIC_NVECTORS_UNSPECIFIED = -1
95
};
96

    
97
struct NICInfo {
98
    uint8_t macaddr[6];
99
    char *model;
100
    char *name;
101
    char *devaddr;
102
    char *id;
103
    VLANState *vlan;
104
    VLANClientState *vc;
105
    void *private;
106
    int used;
107
    int bootable;
108
    int nvectors;
109
};
110

    
111
extern int nb_nics;
112
extern NICInfo nd_table[MAX_NICS];
113

    
114
/* BT HCI info */
115

    
116
struct HCIInfo {
117
    int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
118
    void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
119
    void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
120
    void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
121
    void *opaque;
122
    void (*evt_recv)(void *opaque, const uint8_t *data, int len);
123
    void (*acl_recv)(void *opaque, const uint8_t *data, int len);
124
};
125

    
126
struct HCIInfo *qemu_next_hci(void);
127

    
128
/* checksumming functions (net-checksum.c) */
129
uint32_t net_checksum_add(int len, uint8_t *buf);
130
uint16_t net_checksum_finish(uint32_t sum);
131
uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
132
                             uint8_t *addrs, uint8_t *buf);
133
void net_checksum_calculate(uint8_t *data, int length);
134

    
135
/* from net.c */
136
extern const char *legacy_tftp_prefix;
137
extern const char *legacy_bootp_filename;
138

    
139
int net_client_init(Monitor *mon, QemuOpts *opts);
140
void net_client_uninit(NICInfo *nd);
141
int net_client_parse(const char *str);
142
int net_init_clients(void);
143
int net_slirp_smb(const char *exported_dir);
144
void net_slirp_hostfwd_add(Monitor *mon, const QDict *qdict);
145
void net_slirp_hostfwd_remove(Monitor *mon, const QDict *qdict);
146
int net_slirp_redir(const char *redir_str);
147
void net_cleanup(void);
148
void net_set_boot_mask(int boot_mask);
149
void net_host_device_add(Monitor *mon, const QDict *qdict);
150
void net_host_device_remove(Monitor *mon, const QDict *qdict);
151

    
152
#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
153
#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
154
#ifdef __sun__
155
#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
156
#else
157
#define SMBD_COMMAND "/usr/sbin/smbd"
158
#endif
159

    
160
void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr);
161
VLANClientState *qdev_get_vlan_client(DeviceState *dev,
162
                                      NetCanReceive *can_receive,
163
                                      NetReceive *receive,
164
                                      NetReceiveIOV *receive_iov,
165
                                      NetCleanup *cleanup,
166
                                      void *opaque);
167

    
168
#endif