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#ifndef _IPXE_SLIRP_H
#define _IPXE_SLIRP_H
/** @file
*
* Linux Slirp network driver
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <stdbool.h>
/** Ready to be read */
#define SLIRP_EVENT_IN 0x01
/** Ready to be written */
#define SLIRP_EVENT_OUT 0x02
/** Exceptional condition */
#define SLIRP_EVENT_PRI 0x04
/** Error condition */
#define SLIRP_EVENT_ERR 0x08
/** Hang up */
#define SLIRP_EVENT_HUP 0x10
/** Slirp device configuration */
struct slirp_config {
/** Configuration version */
uint32_t version;
/** Restrict to host loopback connections only */
int restricted;
/** IPv4 is enabled */
bool in_enabled;
/** IPv4 network */
struct in_addr vnetwork;
/** IPv4 netmask */
struct in_addr vnetmask;
/** IPv4 host server address */
struct in_addr vhost;
/** IPv6 is enabled */
bool in6_enabled;
/** IPv6 prefix */
struct in6_addr vprefix_addr6;
/** IPv6 prefix length */
uint8_t vprefix_len;
/** IPv6 host server address */
struct in6_addr vhost6;
/** Client hostname */
const char *vhostname;
/** TFTP server name */
const char *tftp_server_name;
/** TFTP path prefix */
const char *tftp_path;
/** Boot filename */
const char *bootfile;
/** DHCPv4 start address */
struct in_addr vdhcp_start;
/** DNS IPv4 address */
struct in_addr vnameserver;
/** DNS IPv6 address */
struct in_addr vnameserver6;
/** DNS search list */
const char **vdnssearch;
/** Domain name */
const char *vdomainname;
/** Interface MTU */
size_t if_mtu;
/** Interface MRU */
size_t if_mru;
/** Disable host loopback connections */
bool disable_host_loopback;
/** Enable emulation (apparently unsafe) */
bool enable_emu;
};
/** Slirp device callbacks */
struct slirp_callbacks {
/**
* Send packet
*
* @v buf Data buffer
* @v len Length of data
* @v device Device opaque pointer
* @ret len Consumed length (or negative on error)
*/
ssize_t ( __asmcall * send_packet ) ( const void *buf, size_t len,
void *device );
/**
* Print an error message
*
* @v msg Error message
* @v device Device opaque pointer
*/
void ( __asmcall * guest_error ) ( const char *msg, void *device );
/**
* Get virtual clock
*
* @v device Device opaque pointer
* @ret clock_ns Clock time in nanoseconds
*/
int64_t ( __asmcall * clock_get_ns ) ( void *device );
/**
* Create a new timer
*
* @v callback Timer callback
* @v opaque Timer opaque pointer
* @v device Device opaque pointer
* @ret timer Timer
*/
void * ( __asmcall * timer_new ) ( void ( __asmcall * callback )
( void *opaque ),
void *opaque, void *device );
/**
* Delete a timer
*
* @v timer Timer
* @v device Device opaque pointer
*/
void ( __asmcall * timer_free ) ( void *timer, void *device );
/**
* Set timer expiry time
*
* @v timer Timer
* @v expire Expiry time
* @v device Device opaque pointer
*/
void ( __asmcall * timer_mod ) ( void *timer, int64_t expire,
void *device );
/**
* Register file descriptor for polling
*
* @v fd File descriptor
* @v device Device opaque pointer
*/
void ( __asmcall * register_poll_fd ) ( int fd, void *device );
/**
* Unregister file descriptor
*
* @v fd File descriptor
* @v device Device opaque pointer
*/
void ( __asmcall * unregister_poll_fd ) ( int fd, void *device );
/**
* Notify that new events are ready
*
* @v device Device opaque pointer
*/
void ( __asmcall * notify ) ( void *device );
};
#endif /* _IPXE_SLIRP_H */
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