xref: /freebsd/sys/dev/rtwn/usb/rtwn_usb_var.h (revision f699532fb5b2c7b2445404b62f87bcd436195e5a)
1 /*-
2  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
3  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $
18  * $FreeBSD$
19  */
20 
21 #ifndef RTWN_USBVAR_H
22 #define RTWN_USBVAR_H
23 
24 #define RTWN_IFACE_INDEX		0
25 
26 #define RTWN_USB_RX_LIST_COUNT		1
27 #define RTWN_USB_TX_LIST_COUNT		16
28 
29 struct rtwn_data {
30 	uint8_t				*buf;
31 	/* 'id' is meaningful for beacons only */
32 	int				id;
33 	uint16_t			buflen;
34 	struct mbuf			*m;
35 	struct ieee80211_node		*ni;
36 	STAILQ_ENTRY(rtwn_data)	next;
37 };
38 typedef STAILQ_HEAD(, rtwn_data) rtwn_datahead;
39 
40 enum {
41 	RTWN_BULK_RX,
42 	RTWN_BULK_TX_BE,	/* = WME_AC_BE */
43 	RTWN_BULK_TX_BK,	/* = WME_AC_BK */
44 	RTWN_BULK_TX_VI,	/* = WME_AC_VI */
45 	RTWN_BULK_TX_VO,	/* = WME_AC_VO */
46 	RTWN_N_TRANSFER = 5,
47 };
48 
49 #define RTWN_EP_QUEUES		RTWN_BULK_RX
50 
51 struct rtwn_usb_softc {
52 	struct rtwn_softc	uc_sc;		/* must be the first */
53 	struct usb_device	*uc_udev;
54 	struct usb_xfer		*uc_xfer[RTWN_N_TRANSFER];
55 
56 	struct rtwn_data	uc_rx[RTWN_USB_RX_LIST_COUNT];
57 	rtwn_datahead		uc_rx_active;
58 	rtwn_datahead		uc_rx_inactive;
59 	struct rtwn_data	uc_tx[RTWN_USB_TX_LIST_COUNT];
60 	rtwn_datahead		uc_tx_active;
61 	rtwn_datahead		uc_tx_inactive;
62 	rtwn_datahead		uc_tx_pending;
63 
64 	int			(*uc_align_rx)(int, int);
65 
66 	int			ntx;
67 	int			tx_agg_desc_num;
68 };
69 #define RTWN_USB_SOFTC(sc)	((struct rtwn_usb_softc *)(sc))
70 
71 #define rtwn_usb_align_rx(_uc, _totlen, _len) \
72 	(((_uc)->uc_align_rx)((_totlen), (_len)))
73 
74 #endif	/* RTWN_USBVAR_H */
75