xref: /freebsd/sys/dev/ath/if_ath_alq.h (revision fe267a559009cbf34f9341666fe4d88a92c02d5e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2012 Adrian Chadd
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  *
31  * $FreeBSD$
32  */
33 #ifndef	__IF_ATH_ALQ_H__
34 #define	__IF_ATH_ALQ_H__
35 
36 #define	ATH_ALQ_INIT_STATE		1
37 struct if_ath_alq_init_state {
38 	uint32_t	sc_mac_version;
39 	uint32_t	sc_mac_revision;
40 	uint32_t	sc_phy_rev;
41 	uint32_t	sc_hal_magic;
42 };
43 
44 #define	ATH_ALQ_EDMA_TXSTATUS		2
45 #define	ATH_ALQ_EDMA_RXSTATUS		3
46 #define	ATH_ALQ_EDMA_TXDESC		4
47 
48 #define	ATH_ALQ_TDMA_BEACON_STATE	5
49 struct if_ath_alq_tdma_beacon_state {
50 	uint64_t	rx_tsf;		/* RX TSF of beacon frame */
51 	uint64_t	beacon_tsf;	/* TSF inside beacon frame */
52 	uint64_t	tsf64;
53 	uint64_t	nextslot_tsf;
54 	uint32_t	nextslot_tu;
55 	uint32_t	txtime;
56 };
57 
58 #define	ATH_ALQ_TDMA_TIMER_CONFIG	6
59 struct if_ath_alq_tdma_timer_config {
60 	uint32_t	tdma_slot;
61 	uint32_t	tdma_slotlen;
62 	uint32_t	tdma_slotcnt;
63 	uint32_t	tdma_bintval;
64 	uint32_t	tdma_guard;
65 	uint32_t	tdma_scbintval;
66 	uint32_t	tdma_dbaprep;
67 };
68 
69 #define	ATH_ALQ_TDMA_SLOT_CALC		7
70 struct if_ath_alq_tdma_slot_calc {
71 	uint64_t	nexttbtt;
72 	uint64_t	next_slot;
73 	int32_t		tsfdelta;
74 	int32_t		avg_plus;
75 	int32_t		avg_minus;
76 };
77 
78 #define	ATH_ALQ_TDMA_TSF_ADJUST		8
79 struct if_ath_alq_tdma_tsf_adjust {
80 	uint64_t	tsf64_old;
81 	uint64_t	tsf64_new;
82 	int32_t		tsfdelta;
83 };
84 
85 #define	ATH_ALQ_TDMA_TIMER_SET		9
86 struct if_ath_alq_tdma_timer_set {
87 	uint32_t	bt_intval;
88 	uint32_t	bt_nexttbtt;
89 	uint32_t	bt_nextdba;
90 	uint32_t	bt_nextswba;
91 	uint32_t	bt_nextatim;
92 	uint32_t	bt_flags;
93 	uint32_t	sc_tdmadbaprep;
94 	uint32_t	sc_tdmaswbaprep;
95 };
96 
97 #define	ATH_ALQ_INTR_STATUS		10
98 struct if_ath_alq_interrupt {
99 	uint32_t	intr_status;
100 	uint32_t	intr_state[8];
101 	uint32_t	intr_syncstate;
102 };
103 
104 #define	ATH_ALQ_MIB_COUNTERS		11
105 struct if_ath_alq_mib_counters {
106 	uint32_t	valid;
107 	uint32_t	tx_busy;
108 	uint32_t	rx_busy;
109 	uint32_t	chan_busy;
110 	uint32_t	ext_chan_busy;
111 	uint32_t	cycle_count;
112 };
113 
114 #define	ATH_ALQ_MISSED_BEACON		12
115 #define	ATH_ALQ_STUCK_BEACON		13
116 #define	ATH_ALQ_RESUME_BEACON		14
117 
118 #define	ATH_ALQ_TX_FIFO_PUSH		15
119 struct if_ath_alq_tx_fifo_push {
120 	uint32_t	txq;
121 	uint32_t	nframes;
122 	uint32_t	fifo_depth;
123 	uint32_t	frame_cnt;
124 };
125 
126 /*
127  * These will always be logged, regardless.
128  */
129 #define	ATH_ALQ_LOG_ALWAYS_MASK		0x00000001
130 
131 #define	ATH_ALQ_FILENAME_LEN	128
132 #define	ATH_ALQ_DEVNAME_LEN	32
133 
134 struct if_ath_alq {
135 	uint32_t	sc_alq_debug;		/* Debug flags to report */
136 	struct alq *	sc_alq_alq;		/* alq state */
137 	unsigned int	sc_alq_qsize;		/* queue size */
138 	unsigned int	sc_alq_numlost;		/* number of "lost" entries */
139 	int		sc_alq_isactive;
140 	char		sc_alq_devname[ATH_ALQ_DEVNAME_LEN];
141 	char		sc_alq_filename[ATH_ALQ_FILENAME_LEN];
142 	struct if_ath_alq_init_state sc_alq_cfg;
143 };
144 
145 /* 128 bytes in total */
146 #define	ATH_ALQ_PAYLOAD_LEN		112
147 
148 struct if_ath_alq_hdr {
149 	uint64_t	threadid;
150 	uint32_t	tstamp_sec;
151 	uint32_t	tstamp_usec;
152 	uint16_t	op;
153 	uint16_t	len;	/* Length of (optional) payload */
154 };
155 
156 struct if_ath_alq_payload {
157 	struct if_ath_alq_hdr hdr;
158 	char		payload[];
159 };
160 
161 #ifdef	_KERNEL
162 static inline int
163 if_ath_alq_checkdebug(struct if_ath_alq *alq, uint16_t op)
164 {
165 
166 	return ((alq->sc_alq_debug | ATH_ALQ_LOG_ALWAYS_MASK)
167 	    & (1 << (op - 1)));
168 }
169 
170 extern	void if_ath_alq_init(struct if_ath_alq *alq, const char *devname);
171 extern	void if_ath_alq_setcfg(struct if_ath_alq *alq, uint32_t macVer,
172 	    uint32_t macRev, uint32_t phyRev, uint32_t halMagic);
173 extern	void if_ath_alq_tidyup(struct if_ath_alq *alq);
174 extern	int if_ath_alq_start(struct if_ath_alq *alq);
175 extern	int if_ath_alq_stop(struct if_ath_alq *alq);
176 extern	void if_ath_alq_post(struct if_ath_alq *alq, uint16_t op,
177 	    uint16_t len, const char *buf);
178 
179 /* XXX maybe doesn't belong here? */
180 static inline void
181 if_ath_alq_post_intr(struct if_ath_alq *alq, uint32_t status,
182     uint32_t *state, uint32_t sync_state)
183 {
184 	int i;
185 	struct if_ath_alq_interrupt intr;
186 
187 	if (! if_ath_alq_checkdebug(alq, ATH_ALQ_INTR_STATUS))
188 		return;
189 
190 	intr.intr_status = htobe32(status);
191 	for (i = 0; i < 8; i++)
192 		intr.intr_state[i] = htobe32(state[i]);
193 	intr.intr_syncstate = htobe32(sync_state);
194 
195 	if_ath_alq_post(alq, ATH_ALQ_INTR_STATUS, sizeof(intr),
196 	    (const char *) &intr);
197 }
198 
199 #endif	/* _KERNEL */
200 
201 #endif
202