xref: /openbsd/sys/dev/usb/if_cdcereg.h (revision 9c887eff)
1 /*	$OpenBSD: if_cdcereg.h,v 1.9 2024/01/04 08:41:59 kevlo 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 #define CDCE_RX_LIST_CNT	1
38 #define CDCE_TX_LIST_CNT	1
39 #define CDCE_BUFSZ		1542
40 
41 struct cdce_type {
42 	struct usb_devno	 cdce_dev;
43 	u_int16_t		 cdce_flags;
44 #define CDCE_CRC32	1
45 #define CDCE_SWAPUNION	2
46 };
47 
48 struct cdce_softc;
49 
50 struct cdce_chain {
51 	struct cdce_softc	*cdce_sc;
52 	struct usbd_xfer	*cdce_xfer;
53 	char			*cdce_buf;
54 	struct mbuf		*cdce_mbuf;
55 	int			 cdce_accum;
56 	int			 cdce_idx;
57 };
58 
59 struct cdce_cdata {
60 	struct cdce_chain	 cdce_rx_chain[CDCE_RX_LIST_CNT];
61 	struct cdce_chain	 cdce_tx_chain[CDCE_TX_LIST_CNT];
62 	int			 cdce_tx_prod;
63 	int			 cdce_tx_cons;
64 	int			 cdce_tx_cnt;
65 	int			 cdce_rx_prod;
66 };
67 
68 struct cdce_softc {
69 	struct device		 cdce_dev;
70 	struct arpcom		 cdce_arpcom;
71 #define GET_IFP(sc) (&(sc)->cdce_arpcom.ac_if)
72 	struct usbd_device	*cdce_udev;
73 	struct usbd_interface	*cdce_ctl_iface;
74 	int			 cdce_intr_no;
75 	struct usbd_pipe	*cdce_intr_pipe;
76 	struct usb_cdc_notification cdce_intr_buf;
77 	int			 cdce_intr_size;
78 	struct usbd_interface	*cdce_data_iface;
79 	int			 cdce_bulkin_no;
80 	struct usbd_pipe	*cdce_bulkin_pipe;
81 	int			 cdce_bulkout_no;
82 	struct usbd_pipe	*cdce_bulkout_pipe;
83 	struct cdce_cdata	 cdce_cdata;
84 	int			 cdce_rxeof_errors;
85 	u_int16_t		 cdce_flags;
86 	char			 cdce_attached;
87 };
88