summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_mskvar.h
blob: b00ea321ca57596d61af75c6ad57b3897bdd1c3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/*	$OpenBSD: if_mskvar.h,v 1.14 2018/01/06 03:11:04 dlg Exp $	*/
/*	$NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $	*/

/*-
 * Copyright (c) 2003 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*	$OpenBSD: if_mskvar.h,v 1.14 2018/01/06 03:11:04 dlg Exp $	*/

/*
 * Copyright (c) 1997, 1998, 1999, 2000
 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Bill Paul.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
 */

/*
 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _DEV_PCI_IF_MSKVAR_H_
#define _DEV_PCI_IF_MSKVAR_H_

#define SK_NTXSEG      30

struct msk_chain_data {
	struct mbuf		*sk_rx_mbuf[MSK_RX_RING_CNT];
	bus_dmamap_t		 sk_rx_maps[MSK_RX_RING_CNT];

	struct mbuf		*sk_tx_mbuf[MSK_TX_RING_CNT];
	bus_dmamap_t		 sk_tx_maps[MSK_TX_RING_CNT];

	struct if_rxring	 sk_rx_ring;

	unsigned int		 sk_tx_prod;
	unsigned int		 sk_tx_cons;
	uint32_t		 sk_tx_hiaddr;

	unsigned int		 sk_rx_prod;
	unsigned int		 sk_rx_cons;
	uint32_t		 sk_rx_hiaddr;
};

struct msk_ring_data {
	struct msk_tx_desc	sk_tx_ring[MSK_TX_RING_CNT];
	struct msk_rx_desc	sk_rx_ring[MSK_RX_RING_CNT];
};

#define MSK_TX_RING_ADDR(sc, i) \
    ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
     offsetof(struct msk_ring_data, sk_tx_ring[(i)]))

#define MSK_RX_RING_ADDR(sc, i) \
    ((sc)->sk_ring_map->dm_segs[0].ds_addr + \
     offsetof(struct msk_ring_data, sk_rx_ring[(i)]))

#define MSK_CDOFF(x)	offsetof(struct msk_ring_data, x)
#define MSK_CDTXOFF(x)	MSK_CDOFF(sk_tx_ring[(x)])
#define MSK_CDRXOFF(x)	MSK_CDOFF(sk_rx_ring[(x)])
#define MSK_CDSTOFF(x)	((x) * sizeof(struct msk_status_desc))

#define MSK_CDTXSYNC(sc, x, n, ops)					\
do {									\
	int __x, __n;							\
									\
	__x = (x);							\
	__n = (n);							\
									\
	/* If it will wrap around, sync to the end of the ring. */	\
	if ((__x + __n) > MSK_TX_RING_CNT) {				\
		bus_dmamap_sync((sc)->sk_softc->sc_dmatag,		\
		    (sc)->sk_ring_map, MSK_CDTXOFF(__x),		\
		    sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \
		    (ops));						\
		__n -= (MSK_TX_RING_CNT - __x);				\
		__x = 0;						\
	}								\
									\
	/* Now sync whatever is left. */				\
	bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map,	\
	    MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \
} while (/*CONSTCOND*/0)

#define MSK_CDRXSYNC(sc, x, ops)					\
do {									\
	bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map,	\
	    MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops));	\
} while (/*CONSTCOND*/0)

#define MSK_CDSTSYNC(sc, x, ops)					\
do {									\
	bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map,		\
	    MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops));	\
} while (/*CONSTCOND*/0)

#define SK_INC(x, y)	(x) = (x + 1) % y

/* Forward decl. */
struct sk_if_softc;

/* Softc for the Yukon-II controller. */
struct sk_softc {
	struct device		sk_dev;		/* generic device */
	bus_space_handle_t	sk_bhandle;	/* bus space handle */
	bus_space_tag_t		sk_btag;	/* bus space tag */
	bus_size_t		sk_bsize;	/* bus space size */
	void			*sk_intrhand;	/* irq handler handle */
	pci_chipset_tag_t	sk_pc;
	u_int8_t		sk_fibertype;
	u_int8_t		sk_type;
	u_int8_t		sk_rev;
	u_int8_t		sk_macs;	/* # of MACs */
	char			*sk_name;
	u_int32_t		sk_ramsize;	/* amount of RAM on NIC */
	u_int32_t		sk_intrmask;
	bus_dma_tag_t		sc_dmatag;
	struct sk_if_softc	*sk_if[2];
	struct msk_status_desc	*sk_status_ring;
	bus_dmamap_t		sk_status_map;
	bus_dma_segment_t	sk_status_seg;
	int			sk_status_nseg;
	int			sk_status_idx;
};

/* Softc for each logical interface */
struct sk_if_softc {
	struct device		sk_dev;		/* generic device */
	struct arpcom		arpcom;		/* interface info */
	struct mii_data		sk_mii;
	u_int8_t		sk_port;	/* port # on controller */
	u_int8_t		sk_xmac_rev;	/* XMAC chip rev (B2 or C1) */
	u_int32_t		sk_rx_ramstart;
	u_int32_t		sk_rx_ramend;
	u_int32_t		sk_tx_ramstart;
	u_int32_t		sk_tx_ramend;
	int			sk_pktlen;
	int			sk_link;
	struct timeout		sk_tick_ch;
	struct timeout		sk_tick_rx;
	struct msk_chain_data	sk_cdata;
	struct msk_ring_data	*sk_rdata;
	bus_dmamap_t		sk_ring_map;
	bus_dma_segment_t	sk_ring_seg;
	int			sk_ring_nseg;
	int			sk_status_idx;
	struct sk_softc		*sk_softc;	/* parent controller */
	int			sk_tx_bmu;	/* TX BMU register */
	SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry)	sk_txmap_head;
};

struct skc_attach_args {
	u_int16_t	skc_port;
	u_int8_t	skc_type;
	u_int8_t	skc_rev;
};

#define MSK_TX_TIMEOUT	5

#endif /* _DEV_PCI_IF_MSKVAR_H_ */