xref: /netbsd-src/sys/dev/usb/if_cdcereg.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: if_cdcereg.h,v 1.9 2016/04/23 10:15:31 skrll Exp $ */
2 
3 /*
4  * Copyright (c) 1997, 1998, 1999, 2000-2003 Bill Paul <wpaul@windriver.com>
5  * Copyright (c) 2003 Craig Boston
6  * Copyright (c) 2004 Daniel Hartmeier
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by Bill Paul.
20  * 4. Neither the name of the author nor the names of any co-contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR
28  * THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
31  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
33  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
34  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 #include <sys/rndsource.h>
38 
39 #define CDCE_RX_LIST_CNT	1
40 #define CDCE_TX_LIST_CNT	1
41 #define CDCE_BUFSZ		1542
42 
43 struct cdce_type {
44 	struct usb_devno	 cdce_dev;
45 	uint16_t		 cdce_flags;
46 #define CDCE_ZAURUS	1
47 #define CDCE_NO_UNION	2
48 };
49 
50 struct cdce_softc;
51 
52 struct cdce_chain {
53 	struct cdce_softc	*cdce_sc;
54 	struct usbd_xfer	*cdce_xfer;
55 	char			*cdce_buf;
56 	struct mbuf		*cdce_mbuf;
57 	int			 cdce_accum;
58 	int			 cdce_idx;
59 };
60 
61 struct cdce_cdata {
62 	struct cdce_chain	 cdce_rx_chain[CDCE_RX_LIST_CNT];
63 	struct cdce_chain	 cdce_tx_chain[CDCE_TX_LIST_CNT];
64 	int			 cdce_tx_prod;
65 	int			 cdce_tx_cons;
66 	int			 cdce_tx_cnt;
67 	int			 cdce_rx_prod;
68 };
69 
70 struct cdce_softc {
71 	device_t cdce_dev;
72 	struct ethercom		 cdce_ec;
73 	krndsource_t	 rnd_source;
74 #define GET_IFP(sc) (&(sc)->cdce_ec.ec_if)
75 	struct usbd_device *	 cdce_udev;
76 	struct usbd_interface *	 cdce_ctl_iface;
77 	struct usbd_interface *	 cdce_data_iface;
78 	int			 cdce_bulkin_no;
79 	struct usbd_pipe *	 cdce_bulkin_pipe;
80 	int			 cdce_bulkout_no;
81 	struct usbd_pipe *	 cdce_bulkout_pipe;
82 	char			 cdce_dying;
83 	int			 cdce_unit;
84 	struct cdce_cdata	 cdce_cdata;
85 	int			 cdce_rxeof_errors;
86 	uint16_t		 cdce_flags;
87 	char			 cdce_attached;
88 };
89