xref: /freebsd/sys/dev/sfxge/common/medford_impl.h (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
1 /*-
2  * Copyright (c) 2015 Solarflare Communications Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  *    this list of conditions and the following disclaimer in the documentation
12  *    and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * The views and conclusions contained in the software and documentation are
27  * those of the authors and should not be interpreted as representing official
28  * policies, either expressed or implied, of the FreeBSD Project.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef	_SYS_MEDFORD_IMPL_H
34 #define	_SYS_MEDFORD_IMPL_H
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 /* Alignment requirement for value written to RX WPTR:
41  *  the WPTR must be aligned to an 8 descriptor boundary
42  *
43  * FIXME: Is this the same on Medford as Huntington?
44  */
45 #define	MEDFORD_RX_WPTR_ALIGN	8
46 
47 
48 
49 #ifndef	ER_EZ_TX_PIOBUF_SIZE
50 #define	ER_EZ_TX_PIOBUF_SIZE	4096
51 #endif
52 
53 
54 #define	MEDFORD_PIOBUF_NBUFS	(16)
55 #define	MEDFORD_PIOBUF_SIZE	(ER_EZ_TX_PIOBUF_SIZE)
56 
57 #define	MEDFORD_MIN_PIO_ALLOC_SIZE	(MEDFORD_PIOBUF_SIZE / 32)
58 
59 
60 extern	__checkReturn	efx_rc_t
61 medford_board_cfg(
62 	__in		efx_nic_t *enp);
63 
64 
65 #ifdef	__cplusplus
66 }
67 #endif
68 
69 #endif	/* _SYS_MEDFORD_IMPL_H */
70