Archipelago » qemu

#ifndef QEMU_NET_H

#define QEMU_NET_H

#include "qemu-queue.h"

#include "qemu-common.h"

#include "qdict.h"

#include "qemu-option.h"

#include "net-queue.h"

struct MACAddr {

    uint8_t a[6];

};

/* qdev nic properties */

typedef struct NICConf {

    MACAddr macaddr;

    VLANState *vlan;

    VLANClientState *peer;

} NICConf;

#define DEFINE_NIC_PROPERTIES(_state, _conf)                            \

    DEFINE_PROP_MACADDR("mac",   _state, _conf.macaddr),                \

    DEFINE_PROP_VLAN("vlan",     _state, _conf.vlan),                   \

    DEFINE_PROP_NETDEV("netdev", _state, _conf.peer)

/* VLANs support */

typedef enum {

    NET_CLIENT_TYPE_NONE,

    NET_CLIENT_TYPE_NIC,

    NET_CLIENT_TYPE_SLIRP,

    NET_CLIENT_TYPE_TAP,

    NET_CLIENT_TYPE_SOCKET,

    NET_CLIENT_TYPE_VDE,

    NET_CLIENT_TYPE_DUMP

} net_client_type;

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 *);

struct VLANClientState {

    net_client_type type;

    NetReceive *receive;

    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;

    void *opaque;

    QTAILQ_ENTRY(VLANClientState) next;

    struct VLANState *vlan;

    VLANClientState *peer;

    NetQueue *send_queue;

    char *model;

    char *name;

    char info_str[256];

};

struct VLANState {

    int id;

    QTAILQ_HEAD(, VLANClientState) clients;

    QTAILQ_ENTRY(VLANState) next;

    unsigned int nb_guest_devs, nb_host_devs;

    NetQueue *send_queue;

};

VLANState *qemu_find_vlan(int id, int allocate);

VLANClientState *qemu_find_netdev(const char *id);

VLANClientState *qemu_new_vlan_client(VLANState *vlan,

                                      VLANClientState *peer,

                                      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);

void qemu_send_packet(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_macaddr_default_if_unset(MACAddr *macaddr);

int qemu_show_nic_models(const char *arg, const char *const *models);

void qemu_check_nic_model(NICInfo *nd, const char *model);

int qemu_find_nic_model(NICInfo *nd, const char * const *models,

                        const char *default_model);

void do_info_network(Monitor *mon);

void do_set_link(Monitor *mon, const QDict *qdict);

void do_info_usernet(Monitor *mon);

/* NIC info */

#define MAX_NICS 8

enum {

        NIC_NVECTORS_UNSPECIFIED = -1

};

struct NICInfo {

    uint8_t macaddr[6];

    char *model;

    char *name;

    char *devaddr;

    VLANState *vlan;

    VLANClientState *netdev;

    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, QemuOpts *opts, int is_netdev);

void net_client_uninit(NICInfo *nd);

int net_client_parse(QemuOptsList *opts_list, const char *str);

int net_init_clients(void);

int 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);

int net_slirp_redir(const char *redir_str);

void net_cleanup(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_set_nic_properties(DeviceState *dev, NICInfo *nd);

int tap_has_vnet_hdr(VLANClientState *vc);

void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);

#endif