xref: /illumos-kvm-cmd/net.h (revision 36b02c7d)
1 /*
2  * Copyright 2011 QEMU contributors
3  * Portions Copyright 2011 Joyent, Inc.
4  */
5 #ifndef QEMU_NET_H
6 #define QEMU_NET_H
7 
8 #include "qemu-queue.h"
9 #include "qemu-common.h"
10 #include "qdict.h"
11 #include "qemu-option.h"
12 #include "net/queue.h"
13 
14 struct MACAddr {
15     uint8_t a[6];
16 };
17 
18 /* qdev nic properties */
19 
20 typedef struct NICConf {
21     MACAddr macaddr;
22     VLANState *vlan;
23     VLANClientState *peer;
24     int32_t bootindex;
25 } NICConf;
26 
27 #define DEFINE_NIC_PROPERTIES(_state, _conf)                            \
28     DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \
29     DEFINE_PROP_VLAN("vlan",     _state, _conf.vlan),                   \
30     DEFINE_PROP_NETDEV("netdev", _state, _conf.peer),                   \
31     DEFINE_PROP_INT32("bootindex", _state, _conf.bootindex, -1)
32 
33 /* VLANs support */
34 
35 typedef enum {
36     NET_CLIENT_TYPE_NONE,
37     NET_CLIENT_TYPE_NIC,
38     NET_CLIENT_TYPE_SLIRP,
39     NET_CLIENT_TYPE_TAP,
40     NET_CLIENT_TYPE_SOCKET,
41     NET_CLIENT_TYPE_VDE,
42     NET_CLIENT_TYPE_DUMP,
43     NET_CLIENT_TYPE_VNIC
44 } net_client_type;
45 
46 typedef void (NetPoll)(VLANClientState *, bool enable);
47 typedef int (NetCanReceive)(VLANClientState *);
48 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
49 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
50 typedef void (NetCleanup) (VLANClientState *);
51 typedef void (LinkStatusChanged)(VLANClientState *);
52 
53 typedef struct NetClientInfo {
54     net_client_type type;
55     size_t size;
56     NetReceive *receive;
57     NetReceive *receive_raw;
58     NetReceiveIOV *receive_iov;
59     NetCanReceive *can_receive;
60     NetCleanup *cleanup;
61     LinkStatusChanged *link_status_changed;
62     NetPoll *poll;
63 } NetClientInfo;
64 
65 struct VLANClientState {
66     NetClientInfo *info;
67     int link_down;
68     QTAILQ_ENTRY(VLANClientState) next;
69     struct VLANState *vlan;
70     VLANClientState *peer;
71     NetQueue *send_queue;
72     char *model;
73     char *name;
74     char info_str[256];
75     unsigned receive_disabled : 1;
76 };
77 
78 typedef struct NICState {
79     VLANClientState nc;
80     NICConf *conf;
81     void *opaque;
82     bool peer_deleted;
83 } NICState;
84 
85 struct VLANState {
86     int id;
87     QTAILQ_HEAD(, VLANClientState) clients;
88     QTAILQ_ENTRY(VLANState) next;
89     NetQueue *send_queue;
90 };
91 
92 VLANState *qemu_find_vlan(int id, int allocate);
93 VLANClientState *qemu_find_netdev(const char *id);
94 VLANClientState *qemu_new_net_client(NetClientInfo *info,
95                                      VLANState *vlan,
96                                      VLANClientState *peer,
97                                      const char *model,
98                                      const char *name);
99 NICState *qemu_new_nic(NetClientInfo *info,
100                        NICConf *conf,
101                        const char *model,
102                        const char *name,
103                        void *opaque);
104 void qemu_del_vlan_client(VLANClientState *vc);
105 VLANClientState *qemu_find_vlan_client_by_name(Monitor *mon, int vlan_id,
106                                                const char *client_str);
107 typedef void (*qemu_nic_foreach)(NICState *nic, void *opaque);
108 void qemu_foreach_nic(qemu_nic_foreach func, void *opaque);
109 int qemu_can_send_packet(VLANClientState *vc);
110 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
111                           int iovcnt);
112 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
113                                 int iovcnt, NetPacketSent *sent_cb);
114 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
115 ssize_t qemu_send_packet_raw(VLANClientState *vc, const uint8_t *buf, int size);
116 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
117                                int size, NetPacketSent *sent_cb);
118 void qemu_purge_queued_packets(VLANClientState *vc);
119 void qemu_flush_queued_packets(VLANClientState *vc);
120 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
121 void qemu_macaddr_default_if_unset(MACAddr *macaddr);
122 int qemu_show_nic_models(const char *arg, const char *const *models);
123 void qemu_check_nic_model(NICInfo *nd, const char *model);
124 int qemu_find_nic_model(NICInfo *nd, const char * const *models,
125                         const char *default_model);
126 
127 void do_info_network(Monitor *mon);
128 int do_set_link(Monitor *mon, const QDict *qdict, QObject **ret_data);
129 
130 /* NIC info */
131 
132 #define MAX_NICS 8
133 
134 struct NICInfo {
135     uint8_t macaddr[6];
136     char *model;
137     char *name;
138     char *devaddr;
139     VLANState *vlan;
140     VLANClientState *netdev;
141     int used;
142     int nvectors;
143 };
144 
145 extern int nb_nics;
146 extern NICInfo nd_table[MAX_NICS];
147 extern int default_net;
148 
149 /* BT HCI info */
150 
151 struct HCIInfo {
152     int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr);
153     void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len);
154     void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len);
155     void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len);
156     void *opaque;
157     void (*evt_recv)(void *opaque, const uint8_t *data, int len);
158     void (*acl_recv)(void *opaque, const uint8_t *data, int len);
159 };
160 
161 struct HCIInfo *qemu_next_hci(void);
162 
163 /* from net.c */
164 extern const char *legacy_tftp_prefix;
165 extern const char *legacy_bootp_filename;
166 
167 int net_client_init(Monitor *mon, QemuOpts *opts, int is_netdev);
168 int net_client_parse(QemuOptsList *opts_list, const char *str);
169 int net_init_clients(void);
170 void net_check_clients(void);
171 void net_cleanup(void);
172 void net_host_device_add(Monitor *mon, const QDict *qdict);
173 void net_host_device_remove(Monitor *mon, const QDict *qdict);
174 int do_netdev_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
175 int do_netdev_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
176 
177 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup"
178 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown"
179 #ifdef __sun__
180 #define SMBD_COMMAND "/usr/sfw/sbin/smbd"
181 #else
182 #define SMBD_COMMAND "/usr/sbin/smbd"
183 #endif
184 
185 void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd);
186 
187 int net_handle_fd_param(Monitor *mon, const char *param);
188 
189 #endif
190