xref: /linux/drivers/net/ethernet/mellanox/mlxsw/port.h (revision 31557f0f9755696530d08465cf9940404f2d48e2)
1 /*
2  * drivers/net/ethernet/mellanox/mlxsw/port.h
3  * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4  * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
5  * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
6  * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the names of the copyright holders nor the names of its
17  *    contributors may be used to endorse or promote products derived from
18  *    this software without specific prior written permission.
19  *
20  * Alternatively, this software may be distributed under the terms of the
21  * GNU General Public License ("GPL") version 2 as published by the Free
22  * Software Foundation.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25  * AND 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  */
36 #ifndef _MLXSW_PORT_H
37 #define _MLXSW_PORT_H
38 
39 #include <linux/types.h>
40 
41 #define MLXSW_PORT_MAX_MTU		10000
42 
43 #define MLXSW_PORT_DEFAULT_VID		1
44 
45 #define MLXSW_PORT_SWID_DISABLED_PORT	255
46 #define MLXSW_PORT_SWID_ALL_SWIDS	254
47 #define MLXSW_PORT_SWID_TYPE_ETH	2
48 
49 #define MLXSW_PORT_MID			0xd000
50 
51 #define MLXSW_PORT_MAX_PHY_PORTS	0x40
52 #define MLXSW_PORT_MAX_PORTS		MLXSW_PORT_MAX_PHY_PORTS
53 
54 #define MLXSW_PORT_DEVID_BITS_OFFSET	10
55 #define MLXSW_PORT_PHY_BITS_OFFSET	4
56 #define MLXSW_PORT_PHY_BITS_MASK	(MLXSW_PORT_MAX_PHY_PORTS - 1)
57 
58 #define MLXSW_PORT_CPU_PORT		0x0
59 
60 #define MLXSW_PORT_DONT_CARE		(MLXSW_PORT_MAX_PORTS)
61 
62 enum mlxsw_port_admin_status {
63 	MLXSW_PORT_ADMIN_STATUS_UP = 1,
64 	MLXSW_PORT_ADMIN_STATUS_DOWN = 2,
65 	MLXSW_PORT_ADMIN_STATUS_UP_ONCE = 3,
66 	MLXSW_PORT_ADMIN_STATUS_DISABLED = 4,
67 };
68 
69 enum mlxsw_reg_pude_oper_status {
70 	MLXSW_PORT_OPER_STATUS_UP = 1,
71 	MLXSW_PORT_OPER_STATUS_DOWN = 2,
72 	MLXSW_PORT_OPER_STATUS_FAILURE = 4,	/* Can be set to up again. */
73 };
74 
75 #endif /* _MLXSW_PORT_H */
76