1/*	$FreeBSD: stable/11/sys/dev/usb/net/if_urndisreg.h 307481 2016-10-17 06:56:58Z sephe $ */
2/*	$OpenBSD: if_urndisreg.h,v 1.19 2013/11/21 14:08:05 mpi Exp $ */
3
4/*
5 * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org>
6 * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org>
7 * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org>
8 * All rights reserved.
9 *
10 * Permission to use, copy, modify, and distribute this software for any
11 * purpose with or without fee is hereby granted, provided that the above
12 * copyright notice and this permission notice appear in all copies.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 */
22
23#ifndef _IF_URNDISREG_H_
24#define	_IF_URNDISREG_H_
25
26#define	RNDIS_RESPONSE_LEN	1024	/* bytes */
27#define	RNDIS_RX_MAXLEN		(16 * 1024)
28#define	RNDIS_TX_FRAMES_MAX	8
29#define	RNDIS_TX_MAXLEN		MCLBYTES
30
31enum {
32	URNDIS_BULK_RX,
33	URNDIS_BULK_TX,
34	URNDIS_INTR_RX,
35	URNDIS_N_TRANSFER,
36};
37
38struct urndis_softc {
39
40	struct usb_ether sc_ue;
41	struct mtx sc_mtx;
42
43	/* RNDIS device info */
44	uint32_t sc_lim_pktsz;
45	uint32_t sc_filter;
46
47	struct usb_device *sc_udev;
48	struct usb_xfer *sc_xfer[URNDIS_N_TRANSFER];
49
50	uint8_t	sc_ifaceno_ctl;
51	uint8_t	sc_response_buf[RNDIS_RESPONSE_LEN] __aligned(4);
52};
53
54#define	URNDIS_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
55#define	URNDIS_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
56#define	URNDIS_LOCK_ASSERT(sc, what) mtx_assert(&(sc)->sc_mtx, (what))
57
58#endif					/* _IF_URNDISREG_H_ */
59