xref: /openbmc/linux/include/linux/mlx5/port.h (revision bc5aa3a0)
1 /*
2  * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef __MLX5_PORT_H__
34 #define __MLX5_PORT_H__
35 
36 #include <linux/mlx5/driver.h>
37 
38 enum mlx5_beacon_duration {
39 	MLX5_BEACON_DURATION_OFF = 0x0,
40 	MLX5_BEACON_DURATION_INF = 0xffff,
41 };
42 
43 enum mlx5_module_id {
44 	MLX5_MODULE_ID_SFP              = 0x3,
45 	MLX5_MODULE_ID_QSFP             = 0xC,
46 	MLX5_MODULE_ID_QSFP_PLUS        = 0xD,
47 	MLX5_MODULE_ID_QSFP28           = 0x11,
48 };
49 
50 enum mlx5_an_status {
51 	MLX5_AN_UNAVAILABLE = 0,
52 	MLX5_AN_COMPLETE    = 1,
53 	MLX5_AN_FAILED      = 2,
54 	MLX5_AN_LINK_UP     = 3,
55 	MLX5_AN_LINK_DOWN   = 4,
56 };
57 
58 #define MLX5_EEPROM_MAX_BYTES			32
59 #define MLX5_EEPROM_IDENTIFIER_BYTE_MASK	0x000000ff
60 #define MLX5_I2C_ADDR_LOW		0x50
61 #define MLX5_I2C_ADDR_HIGH		0x51
62 #define MLX5_EEPROM_PAGE_LENGTH		256
63 
64 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
65 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
66 			 int ptys_size, int proto_mask, u8 local_port);
67 int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
68 			      u32 *proto_cap, int proto_mask);
69 int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
70 				u32 *proto_admin, int proto_mask);
71 int mlx5_query_port_link_width_oper(struct mlx5_core_dev *dev,
72 				    u8 *link_width_oper, u8 local_port);
73 int mlx5_query_port_proto_oper(struct mlx5_core_dev *dev,
74 			       u8 *proto_oper, int proto_mask,
75 			       u8 local_port);
76 int mlx5_set_port_ptys(struct mlx5_core_dev *dev, bool an_disable,
77 		       u32 proto_admin, int proto_mask);
78 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
79 int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
80 			       enum mlx5_port_status status);
81 int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
82 				 enum mlx5_port_status *status);
83 int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration);
84 void mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask,
85 			     u8 *an_status,
86 			     u8 *an_disable_cap, u8 *an_disable_admin);
87 
88 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port);
89 void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port);
90 void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu,
91 			      u8 port);
92 
93 int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
94 			      u8 *vl_hw_cap, u8 local_port);
95 
96 int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause);
97 int mlx5_query_port_pause(struct mlx5_core_dev *dev,
98 			  u32 *rx_pause, u32 *tx_pause);
99 
100 int mlx5_set_port_pfc(struct mlx5_core_dev *dev, u8 pfc_en_tx, u8 pfc_en_rx);
101 int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx,
102 			u8 *pfc_en_rx);
103 
104 int mlx5_max_tc(struct mlx5_core_dev *mdev);
105 
106 int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc);
107 int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group);
108 int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw);
109 int mlx5_modify_port_ets_rate_limit(struct mlx5_core_dev *mdev,
110 				    u8 *max_bw_value,
111 				    u8 *max_bw_unit);
112 int mlx5_query_port_ets_rate_limit(struct mlx5_core_dev *mdev,
113 				   u8 *max_bw_value,
114 				   u8 *max_bw_unit);
115 int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode);
116 int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode);
117 
118 int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable);
119 void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
120 			 bool *enabled);
121 int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
122 			     u16 offset, u16 size, u8 *data);
123 
124 #endif /* __MLX5_PORT_H__ */
125