gwj / at91sam9263 · Files

#ifndef QEMU_NET_H
#define QEMU_NET_H

#include "qemu-common.h"

/* VLANs support */

typedef struct VLANClientState VLANClientState;

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 {

    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;
    struct VLANClientState *next;
    struct VLANState *vlan;

    char *model;

    char *name;

    char info_str[256];
};

typedef struct VLANPacket VLANPacket;

typedef void (NetPacketSent) (VLANClientState *, ssize_t);

struct VLANPacket {
    struct VLANPacket *next;
    VLANClientState *sender;
    int size;

    NetPacketSent *sent_cb;

    uint8_t data[0];
};

struct VLANState {
    int id;
    VLANClientState *first_client;
    struct VLANState *next;
    unsigned int nb_guest_devs, nb_host_devs;

    VLANPacket *send_queue;
    int delivering;

};

VLANState *qemu_find_vlan(int id, int allocate);

VLANClientState *qemu_new_vlan_client(VLANState *vlan,

                                      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_check_nic_model(NICInfo *nd, const char *model);
void qemu_check_nic_model_list(NICInfo *nd, const char * const *models,
                               const char *default_model);

void qemu_handler_true(void *opaque);

void do_info_network(Monitor *mon);
int do_set_link(Monitor *mon, const char *name, const char *up_or_down);

void do_info_usernet(Monitor *mon);

/* NIC info */

#define MAX_NICS 8

enum {
	NIC_NVECTORS_UNSPECIFIED = -1
};

struct NICInfo {
    uint8_t macaddr[6];
    const char *model;

    const char *name;

    const char *devaddr;

    const char *id;

    VLANState *vlan;

    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, const char *device, const char *p);

void net_client_uninit(NICInfo *nd);

int net_client_parse(const char *str);
void net_slirp_smb(const char *exported_dir);

void net_slirp_hostfwd_add(Monitor *mon, const char *arg1,
                           const char *arg2, const char *arg3);
void net_slirp_hostfwd_remove(Monitor *mon, const char *arg1,
                              const char *arg2, const char *arg3);

void net_slirp_redir(const char *redir_str);

void net_cleanup(void);
void net_client_check(void);

void net_set_boot_mask(int boot_mask);

void net_host_device_add(Monitor *mon, const char *device, const char *opts);
void net_host_device_remove(Monitor *mon, int vlan_id, const char *device);

#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_get_macaddr(DeviceState *dev, uint8_t *macaddr);
VLANClientState *qdev_get_vlan_client(DeviceState *dev,

                                      NetCanReceive *can_receive,
                                      NetReceive *receive,
                                      NetReceiveIOV *receive_iov,

                                      NetCleanup *cleanup,
                                      void *opaque);

#endif