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if_xennetvar.h revision 1.4.2.4
      1  1.4.2.1    tron /*	$NetBSD: if_xennetvar.h,v 1.4.2.4 2006/01/22 10:42:58 tron Exp $	*/
      2      1.1      cl 
      3      1.1      cl /*
      4      1.1      cl  *
      5      1.1      cl  * Copyright (c) 2004 Christian Limpach.
      6      1.1      cl  * All rights reserved.
      7      1.1      cl  *
      8      1.1      cl  * Redistribution and use in source and binary forms, with or without
      9      1.1      cl  * modification, are permitted provided that the following conditions
     10      1.1      cl  * are met:
     11      1.1      cl  * 1. Redistributions of source code must retain the above copyright
     12      1.1      cl  *    notice, this list of conditions and the following disclaimer.
     13      1.1      cl  * 2. Redistributions in binary form must reproduce the above copyright
     14      1.1      cl  *    notice, this list of conditions and the following disclaimer in the
     15      1.1      cl  *    documentation and/or other materials provided with the distribution.
     16      1.1      cl  * 3. All advertising materials mentioning features or use of this software
     17      1.1      cl  *    must display the following acknowledgement:
     18      1.1      cl  *      This product includes software developed by Christian Limpach.
     19      1.1      cl  * 4. The name of the author may not be used to endorse or promote products
     20      1.1      cl  *    derived from this software without specific prior written permission.
     21      1.1      cl  *
     22      1.1      cl  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23      1.1      cl  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24      1.1      cl  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25      1.1      cl  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26      1.1      cl  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27      1.1      cl  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28      1.1      cl  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29      1.1      cl  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30      1.1      cl  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31      1.1      cl  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32      1.1      cl  */
     33      1.1      cl 
     34      1.1      cl 
     35      1.1      cl #ifndef _XEN_IF_XENNETVAR_H_
     36      1.1      cl #define _XEN_IF_XENNETVAR_H_
     37      1.1      cl 
     38      1.1      cl #include <machine/xen.h>
     39      1.1      cl 
     40      1.1      cl union xennet_bufarray {
     41      1.4  bouyer 	struct {
     42      1.4  bouyer 		struct mbuf *xbtx_m;
     43      1.4  bouyer 	} xb_tx;
     44      1.1      cl 	struct {
     45      1.1      cl 		vaddr_t xbrx_va;
     46      1.4  bouyer 		paddr_t xbrx_pa;
     47      1.1      cl 		struct xennet_softc *xbrx_sc;
     48      1.1      cl 	} xb_rx;
     49      1.1      cl 	int xb_next;
     50      1.1      cl };
     51      1.1      cl 
     52      1.1      cl struct xennet_softc {
     53      1.1      cl 	struct device		sc_dev;		/* base device glue */
     54      1.1      cl 	struct ethercom		sc_ethercom;	/* Ethernet common part */
     55      1.1      cl 
     56      1.1      cl 	int			sc_ifno;
     57      1.1      cl 
     58      1.1      cl 	uint8_t			sc_enaddr[6];
     59      1.1      cl 
     60      1.1      cl #ifdef mediacode
     61      1.1      cl 	struct ifmedia		sc_media;
     62      1.1      cl #endif
     63      1.1      cl 
     64      1.4  bouyer 	/* What is the status of our connection to the remote backend? */
     65      1.4  bouyer #define BEST_CLOSED       0
     66      1.4  bouyer #define BEST_DISCONNECTED 1
     67      1.4  bouyer #define BEST_CONNECTED    2
     68      1.4  bouyer 	unsigned int		sc_backend_state;
     69      1.4  bouyer 
     70      1.4  bouyer 	unsigned int		sc_evtchn;
     71      1.4  bouyer 
     72      1.4  bouyer 	netif_tx_interface_t	*sc_tx;
     73      1.4  bouyer 	netif_rx_interface_t	*sc_rx;
     74      1.4  bouyer 	struct vm_page		*sc_pg_tx;
     75      1.4  bouyer 	struct vm_page		*sc_pg_rx;
     76      1.1      cl 
     77      1.1      cl 	uint32_t		sc_tx_entries;
     78      1.1      cl 	uint32_t		sc_tx_resp_cons;
     79      1.1      cl 
     80      1.1      cl 	uint32_t		sc_rx_resp_cons;
     81      1.1      cl 	uint32_t		sc_rx_bufs_to_notify;
     82      1.1      cl 
     83      1.4  bouyer 	union xennet_bufarray	sc_tx_bufa[NETIF_TX_RING_SIZE];
     84  1.4.2.3    tron 	union xennet_bufarray	sc_rx_bufa[NETIF_RX_RING_SIZE];
     85      1.1      cl 
     86      1.3     tls #if NRND > 0
     87      1.4  bouyer 	rndsource_element_t	sc_rnd_source;
     88      1.3     tls #endif
     89      1.1      cl };
     90      1.1      cl 
     91      1.1      cl struct xennet_attach_args {
     92      1.2      cl 	const char 		*xa_device;
     93      1.4  bouyer 	int			xa_handle;
     94      1.1      cl };
     95      1.1      cl 
     96      1.1      cl struct nfs_diskless;
     97      1.1      cl 
     98      1.1      cl int xennet_scan(struct device *, struct xennet_attach_args *, cfprint_t);
     99      1.1      cl void xennet_start(struct ifnet *);
    100      1.1      cl int xennet_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
    101      1.1      cl void xennet_watchdog(struct ifnet *ifp);
    102      1.1      cl int xennet_bootstatic_callback(struct nfs_diskless *);
    103      1.1      cl 
    104      1.1      cl #endif /* _XEN_IF_XENNETVAR_H_ */
    105