1 #ifndef QEMU_NET_H 2 #define QEMU_NET_H 3 4 #include "qemu-common.h" 5 6 /* VLANs support */ 7 8 typedef struct VLANClientState VLANClientState; 9 10 typedef int (NetCanReceive)(VLANClientState *); 11 typedef ssize_t (NetReceive)(VLANClientState *, const uint8_t *, size_t); 12 typedef ssize_t (NetReceiveIOV)(VLANClientState *, const struct iovec *, int); 13 typedef void (NetCleanup) (VLANClientState *); 14 typedef void (LinkStatusChanged)(VLANClientState *); 15 16 struct VLANClientState { 17 NetReceive *receive; 18 NetReceiveIOV *receive_iov; 19 /* Packets may still be sent if this returns zero. It's used to 20 rate-limit the slirp code. */ 21 NetCanReceive *can_receive; 22 NetCleanup *cleanup; 23 LinkStatusChanged *link_status_changed; 24 int link_down; 25 void *opaque; 26 struct VLANClientState *next; 27 struct VLANState *vlan; 28 char *model; 29 char *name; 30 char info_str[256]; 31 }; 32 33 typedef struct VLANPacket VLANPacket; 34 35 typedef void (NetPacketSent) (VLANClientState *); 36 37 struct VLANPacket { 38 struct VLANPacket *next; 39 VLANClientState *sender; 40 int size; 41 NetPacketSent *sent_cb; 42 uint8_t data[0]; 43 }; 44 45 struct VLANState { 46 int id; 47 VLANClientState *first_client; 48 struct VLANState *next; 49 unsigned int nb_guest_devs, nb_host_devs; 50 VLANPacket *send_queue; 51 int delivering; 52 }; 53 54 VLANState *qemu_find_vlan(int id); 55 VLANClientState *qemu_new_vlan_client(VLANState *vlan, 56 const char *model, 57 const char *name, 58 NetCanReceive *can_receive, 59 NetReceive *receive, 60 NetReceiveIOV *receive_iov, 61 NetCleanup *cleanup, 62 void *opaque); 63 void qemu_del_vlan_client(VLANClientState *vc); 64 VLANClientState *qemu_find_vlan_client(VLANState *vlan, void *opaque); 65 int qemu_can_send_packet(VLANClientState *vc); 66 ssize_t qemu_sendv_packet(VLANClientState *vc, const struct iovec *iov, 67 int iovcnt); 68 ssize_t qemu_sendv_packet_async(VLANClientState *vc, const struct iovec *iov, 69 int iovcnt, NetPacketSent *sent_cb); 70 void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size); 71 ssize_t qemu_send_packet_async(VLANClientState *vc, const uint8_t *buf, 72 int size, NetPacketSent *sent_cb); 73 void qemu_flush_queued_packets(VLANClientState *vc); 74 void qemu_format_nic_info_str(VLANClientState *vc, uint8_t macaddr[6]); 75 void qemu_check_nic_model(NICInfo *nd, const char *model); 76 void qemu_check_nic_model_list(NICInfo *nd, const char * const *models, 77 const char *default_model); 78 void qemu_handler_true(void *opaque); 79 80 void do_info_network(Monitor *mon); 81 int do_set_link(Monitor *mon, const char *name, const char *up_or_down); 82 83 /* NIC info */ 84 85 #define MAX_NICS 8 86 87 struct NICInfo { 88 uint8_t macaddr[6]; 89 const char *model; 90 const char *name; 91 VLANState *vlan; 92 void *private; 93 int used; 94 }; 95 96 extern int nb_nics; 97 extern NICInfo nd_table[MAX_NICS]; 98 99 /* BT HCI info */ 100 101 struct HCIInfo { 102 int (*bdaddr_set)(struct HCIInfo *hci, const uint8_t *bd_addr); 103 void (*cmd_send)(struct HCIInfo *hci, const uint8_t *data, int len); 104 void (*sco_send)(struct HCIInfo *hci, const uint8_t *data, int len); 105 void (*acl_send)(struct HCIInfo *hci, const uint8_t *data, int len); 106 void *opaque; 107 void (*evt_recv)(void *opaque, const uint8_t *data, int len); 108 void (*acl_recv)(void *opaque, const uint8_t *data, int len); 109 }; 110 111 struct HCIInfo *qemu_next_hci(void); 112 113 /* checksumming functions (net-checksum.c) */ 114 uint32_t net_checksum_add(int len, uint8_t *buf); 115 uint16_t net_checksum_finish(uint32_t sum); 116 uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto, 117 uint8_t *addrs, uint8_t *buf); 118 void net_checksum_calculate(uint8_t *data, int length); 119 120 /* from net.c */ 121 int net_client_init(Monitor *mon, const char *device, const char *p); 122 void net_client_uninit(NICInfo *nd); 123 int net_client_parse(const char *str); 124 void net_slirp_smb(const char *exported_dir); 125 void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2); 126 void net_cleanup(void); 127 int slirp_is_inited(void); 128 void net_client_check(void); 129 void net_host_device_add(Monitor *mon, const char *device, const char *opts); 130 void net_host_device_remove(Monitor *mon, int vlan_id, const char *device); 131 132 #define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" 133 #define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" 134 #ifdef __sun__ 135 #define SMBD_COMMAND "/usr/sfw/sbin/smbd" 136 #else 137 #define SMBD_COMMAND "/usr/sbin/smbd" 138 #endif 139 140 void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr); 141 VLANClientState *qdev_get_vlan_client(DeviceState *dev, 142 NetCanReceive *can_receive, 143 NetReceive *receive, 144 NetReceiveIOV *receive_iov, 145 NetCleanup *cleanup, 146 void *opaque); 147 148 #endif 149