1#ifndef QEMU_NET_H
2#define QEMU_NET_H
3
4#include "qemu-common.h"
5
6/* VLANs support */
7
8
9typedef int (NetCanReceive)(VLANClientState *);
10typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
11typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
12typedef void (NetCleanup) (VLANClientState *);
13typedef void (LinkStatusChanged)(VLANClientState *);
14
15struct VLANClientState {
16    NetReceive *receive;
17    NetReceiveIOV *receive_iov;
18    /* Packets may still be sent if this returns zero.  It's used to
19       rate-limit the slirp code.  */
20    NetCanReceive *can_receive;
21    NetCleanup *cleanup;
22    LinkStatusChanged *link_status_changed;
23    int link_down;
24    void *opaque;
25    struct VLANClientState *next;
26    struct VLANState *vlan;
27    char *model;
28    char *name;
29    char info_str[256];
30};
31
32typedef struct VLANPacket VLANPacket;
33
34typedef void (NetPacketSent) (VLANClientState *);
35
36struct VLANPacket {
37    struct VLANPacket *next;
38    VLANClientState *sender;
39    int size;
40    NetPacketSent *sent_cb;
41    uint8_t data[0];
42};
43
44struct VLANState {
45    int id;
46    VLANClientState *first_client;
47    struct VLANState *next;
48    unsigned int nb_guest_devs, nb_host_devs;
49    VLANPacket *send_queue;
50    int delivering;
51};
52
53VLANState *qemu_find_vlan(int id);
54VLANClientState *qemu_new_vlan_client(VLANState *vlan,
55                                      const char *model,
56                                      const char *name,
57                                      NetCanReceive *can_receive,
58                                      NetReceive *receive,
59                                      NetReceiveIOV *receive_iov,
60                                      NetCleanup *cleanup,
61                                      void *opaque);
62void qemu_del_vlan_client(VLANClientState *vc);
63VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
64int qemu_can_send_packet(VLANClientState *vc);
65ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
66                          int iovcnt);
67ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
68                                int iovcnt, NetPacketSent *sent_cb);
69void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
70ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
71                               int size, NetPacketSent *sent_cb);
72void qemu_flush_queued_packets(VLANClientState *vc);
73void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
74void qemu_check_nic_model(NICInfo *nd, const char *model);
75void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
76                               const char *default_model);
77void qemu_handler_true(void *opaque);
78
79void do_info_network(Monitor *mon);
80int do_set_link(Monitor *mon, const char *name, const char *up_or_down);
81
82/* NIC info */
83
84#define MAX_NICS 8
85
86struct NICInfo {
87    uint8_t macaddr[6];
88    const char *model;
89    const char *name;
90    VLANState *vlan;
91    void *private;
92    int used;
93};
94
95extern int nb_nics;
96extern NICInfo nd_table[MAX_NICS];
97
98/* BT HCI info */
99
100struct HCIInfo {
101    int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
102    void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
103    void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
104    void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
105    void *opaque;
106    void (*evt_recv)(void *opaque, const uint8_t *data, int len);
107    void (*acl_recv)(void *opaque, const uint8_t *data, int len);
108};
109
110struct HCIInfo *qemu_next_hci(void);
111
112/* checksumming functions (net-checksum.c) */
113uint32_t net_checksum_add(int len, uint8_t *buf);
114uint16_t net_checksum_finish(uint32_t sum);
115uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
116                             uint8_t *addrs, uint8_t *buf);
117void net_checksum_calculate(uint8_t *data, int length);
118
119/* from net.c */
120int net_client_init(Monitor *mon, const char *device, const char *p);
121void net_client_uninit(NICInfo *nd);
122int net_client_parse(const char *str);
123void net_slirp_smb(const char *exported_dir);
124void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2);
125void net_cleanup(void);
126int slirp_is_inited(void);
127void net_client_check(void);
128void net_host_device_add(Monitor *mon, const char *device, const char *opts);
129void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);
130
131#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
132#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
133#ifdef __sun__
134#define SMBD_COMMAND "/usr/sfw/sbin/smbd"
135#else
136#define SMBD_COMMAND "/usr/sbin/smbd"
137#endif
138
139void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr);
140VLANClientState *qdev_get_vlan_client(DeviceState *dev,
141                                      NetCanReceive *can_receive,
142                                      NetReceive *receive,
143                                      NetReceiveIOV *receive_iov,
144                                      NetCleanup *cleanup,
145                                      void *opaque);
146
147#endif
148