/**
* Send redirection event
*
* @v intf Data transfer interface
* @v type New location type
* @v args Remaining arguments depend upon location type
* @ret rc Return status code
*/
int xfer_vredirect ( struct interface *intf, int type, va_list args ) {
struct interface tmp = INTF_INIT ( null_intf_desc );
struct interface *dest;
xfer_vredirect_TYPE ( void * ) *op =
intf_get_dest_op_no_passthru ( intf, xfer_vredirect, &dest );
void *object = intf_object ( dest );
int rc;
DBGC ( INTF_COL ( intf ), "INTF " INTF_INTF_FMT " redirect\n",
INTF_INTF_DBG ( intf, dest ) );
if ( op ) {
rc = op ( object, type, args );
} else {
/* Default is to reopen the interface as instructed,
* then send xfer_window_changed() messages to both
* new child and parent interfaces. Since our
* original child interface is likely to be closed and
* unplugged as a result of the call to
* xfer_vreopen(), we create a temporary interface in
* order to be able to send xfer_window_changed() to
* the parent.
*/
intf_plug ( &tmp, dest );
rc = xfer_vreopen ( dest, type, args );
if ( rc == 0 ) {
xfer_window_changed ( dest );
xfer_window_changed ( &tmp );
}
intf_unplug ( &tmp );
}
if ( rc != 0 ) {
DBGC ( INTF_COL ( intf ), "INTF " INTF_INTF_FMT " redirect "
"failed: %s\n", INTF_INTF_DBG ( intf, dest ),
strerror ( rc ) );
}
intf_put ( dest );
return rc;
}
/** The syslog server */
static struct sockaddr_tcpip logserver = {
.st_family = AF_INET,
.st_port = htons ( SYSLOG_PORT ),
};
/** Syslog UDP interface operations */
static struct interface_operation syslogger_operations[] = {};
/** Syslog UDP interface descriptor */
static struct interface_descriptor syslogger_desc =
INTF_DESC_PURE ( syslogger_operations );
/** The syslog UDP interface */
static struct interface syslogger = INTF_INIT ( syslogger_desc );
/******************************************************************************
*
* Console driver
*
******************************************************************************
*/
/** Syslog line buffer */
static char syslog_buffer[SYSLOG_BUFSIZE];
/** Syslog line console */
static struct line_console syslog_line = {
.buffer = syslog_buffer,
.len = sizeof ( syslog_buffer ),
free_iob ( iobuf );
return rc;
}
/** PXE UDP data transfer interface operations */
static struct interface_operation pxe_udp_xfer_operations[] = {
INTF_OP ( xfer_deliver, struct pxe_udp_connection *, pxe_udp_deliver ),
};
/** PXE UDP data transfer interface descriptor */
static struct interface_descriptor pxe_udp_xfer_desc =
INTF_DESC ( struct pxe_udp_connection, xfer, pxe_udp_xfer_operations );
/** The PXE UDP connection */
static struct pxe_udp_connection pxe_udp = {
.xfer = INTF_INIT ( pxe_udp_xfer_desc ),
.local = {
.sin_family = AF_INET,
},
};
/**
* UDP OPEN
*
* @v pxenv_udp_open Pointer to a struct s_PXENV_UDP_OPEN
* @v s_PXENV_UDP_OPEN::src_ip IP address of this station, or 0.0.0.0
* @ret #PXENV_EXIT_SUCCESS Always
* @ret s_PXENV_UDP_OPEN::Status PXE status code
* @err #PXENV_STATUS_UDP_OPEN UDP connection already open
* @err #PXENV_STATUS_OUT_OF_RESOURCES Could not open connection
*
/*****************************************************************************
*
* The null interface
*
*/
/** Null interface operations */
static struct interface_operation null_intf_op[] = {};
/** Null interface descriptor */
struct interface_descriptor null_intf_desc =
INTF_DESC_PURE ( null_intf_op );
/** The null interface */
struct interface null_intf = INTF_INIT ( null_intf_desc );
/*****************************************************************************
*
* Object interface plumbing
*
*/
/**
* Plug an object interface into a new destination object interface
*
* @v intf Object interface
* @v dest New destination object interface
*
* The reference to the existing destination interface is dropped, a
* reference to the new destination interface is obtained, and the
