summaryrefslogtreecommitdiff
path: root/net.h
blob: 925c67cbf886a78450fea32120d9d5fad52f6845 (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
#ifndef QEMU_NET_H
#define QEMU_NET_H

#include "qemu-queue.h"
#include "qemu-common.h"
#include "qdict.h"

/* VLANs support */

typedef struct VLANClientState VLANClientState;

typedef int (NetCanReceive)(VLANClientState *);
typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
typedef void (NetCleanup) (VLANClientState *);
typedef void (LinkStatusChanged)(VLANClientState *);
typedef void (SetOffload)(VLANClientState *, int, int, int, int);

struct VLANClientState {
    NetReceive *receive;
    NetReceive *receive_raw;
    NetReceiveIOV *receive_iov;
    /* Packets may still be sent if this returns zero.  It's used to
       rate-limit the slirp code.  */
    NetCanReceive *can_receive;
    NetCleanup *cleanup;
    LinkStatusChanged *link_status_changed;
    int link_down;
    SetOffload *set_offload;
    void *opaque;
    struct VLANClientState *next;
    struct VLANState *vlan;
    char *model;
    char *name;
    char info_str[256];
};

typedef struct VLANPacket VLANPacket;

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

struct VLANPacket {
    QTAILQ_ENTRY(VLANPacket) entry;
    VLANClientState *sender;
    int size;
    int raw;
    NetPacketSent *sent_cb;
    uint8_t data[0];
};

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

VLANState *qemu_find_vlan(int id, int allocate);
VLANClientState *qemu_new_vlan_client(VLANState *vlan,
                                      const char *model,
                                      const char *name,
                                      NetCanReceive *can_receive,
                                      NetReceive *receive,
                                      NetReceiveIOV *receive_iov,
                                      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);
ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
                                int iovcnt, NetPacketSent *sent_cb);
ssize_t qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
                               int size, NetPacketSent *sent_cb);
void qemu_purge_queued_packets(VLANClientState *vc);
void qemu_flush_queued_packets(VLANClientState *vc);
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);
void do_set_link(Monitor *mon, const QDict *qdict);

void do_info_usernet(Monitor *mon);

int tap_has_vnet_hdr(void *opaque);
void tap_using_vnet_hdr(void *opaque, int using_vnet_hdr);

/* NIC info */

#define MAX_NICS 8
enum {
	NIC_NVECTORS_UNSPECIFIED = -1
};

struct NICInfo {
    uint8_t macaddr[6];
    const char *model;
    const char *name;
    const char *devaddr;
    const char *id;
    VLANState *vlan;
    VLANClientState *vc;
    void *private;
    int used;
    int bootable;
    int nvectors;
};

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 */
extern const char *legacy_tftp_prefix;
extern const char *legacy_bootp_filename;

int net_client_init(Monitor *mon, 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_hostfwd_add(Monitor *mon, const QDict *qdict);
void net_slirp_hostfwd_remove(Monitor *mon, const QDict *qdict);
void net_slirp_redir(const char *redir_str);
void net_cleanup(void);
void net_client_check(void);
void net_set_boot_mask(int boot_mask);
void net_host_device_add(Monitor *mon, const QDict *qdict);
void net_host_device_remove(Monitor *mon, const QDict *qdict);

#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

void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr);
VLANClientState *qdev_get_vlan_client(DeviceState *dev,
                                      NetCanReceive *can_receive,
                                      NetReceive *receive,
                                      NetReceiveIOV *receive_iov,
                                      NetCleanup *cleanup,
                                      void *opaque);

#endif