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      1 #ifndef QEMU_NET_H
      2 #define QEMU_NET_H
      3 
      4 #include "qemu-common.h"
      5 
      6 /* VLANs support */
      7 
      8 
      9 typedef int (NetCanReceive)(VLANClientState *);
     10 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t);
     11 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int);
     12 typedef void (NetCleanup) (VLANClientState *);
     13 typedef void (LinkStatusChanged)(VLANClientState *);
     14 
     15 struct 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 
     32 typedef struct VLANPacket VLANPacket;
     33 
     34 typedef void (NetPacketSent) (VLANClientState *);
     35 
     36 struct VLANPacket {
     37     struct VLANPacket *next;
     38     VLANClientState *sender;
     39     int size;
     40     NetPacketSent *sent_cb;
     41     uint8_t data[0];
     42 };
     43 
     44 struct 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 
     53 VLANState *qemu_find_vlan(int id);
     54 VLANClientState *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);
     62 void qemu_del_vlan_client(VLANClientState *vc);
     63 VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque);
     64 int qemu_can_send_packet(VLANClientState *vc);
     65 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov,
     66                           int iovcnt);
     67 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov,
     68                                 int iovcnt, NetPacketSent *sent_cb);
     69 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size);
     70 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf,
     71                                int size, NetPacketSent *sent_cb);
     72 void qemu_flush_queued_packets(VLANClientState *vc);
     73 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]);
     74 void qemu_check_nic_model(NICInfo *nd, const char *model);
     75 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
     76                                const char *default_model);
     77 void qemu_handler_true(void *opaque);
     78 
     79 void do_info_network(Monitor *mon);
     80 int do_set_link(Monitor *mon, const char *name, const char *up_or_down);
     81 
     82 /* NIC info */
     83 
     84 #define MAX_NICS 8
     85 
     86 struct 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 
     95 extern int nb_nics;
     96 extern NICInfo nd_table[MAX_NICS];
     97 
     98 /* BT HCI info */
     99 
    100 struct 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 
    110 struct HCIInfo *qemu_next_hci(void);
    111 
    112 /* checksumming functions (net-checksum.c) */
    113 uint32_t net_checksum_add(int len, uint8_t *buf);
    114 uint16_t net_checksum_finish(uint32_t sum);
    115 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
    116                              uint8_t *addrs, uint8_t *buf);
    117 void net_checksum_calculate(uint8_t *data, int length);
    118 
    119 /* from net.c */
    120 int net_client_init(Monitor *mon, const char *device, const char *p);
    121 void net_client_uninit(NICInfo *nd);
    122 int net_client_parse(const char *str);
    123 void net_slirp_smb(const char *exported_dir);
    124 void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2);
    125 void net_cleanup(void);
    126 int slirp_is_inited(void);
    127 void net_client_check(void);
    128 void net_host_device_add(Monitor *mon, const char *device, const char *opts);
    129 void 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 
    139 void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr);
    140 VLANClientState *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