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  	MLX5_MODULE_ID_DSFP		= 0x1B,
49  };
50  
51  enum mlx5_an_status {
52  	MLX5_AN_UNAVAILABLE = 0,
53  	MLX5_AN_COMPLETE    = 1,
54  	MLX5_AN_FAILED      = 2,
55  	MLX5_AN_LINK_UP     = 3,
56  	MLX5_AN_LINK_DOWN   = 4,
57  };
58  
59  #define MLX5_I2C_ADDR_LOW		0x50
60  #define MLX5_I2C_ADDR_HIGH		0x51
61  #define MLX5_EEPROM_PAGE_LENGTH		256
62  #define MLX5_EEPROM_HIGH_PAGE_LENGTH	128
63  
64  struct mlx5_module_eeprom_query_params {
65  	u16 size;
66  	u16 offset;
67  	u16 i2c_address;
68  	u32 page;
69  	u32 bank;
70  	u32 module_number;
71  };
72  
73  enum mlx5e_link_mode {
74  	MLX5E_1000BASE_CX_SGMII	 = 0,
75  	MLX5E_1000BASE_KX	 = 1,
76  	MLX5E_10GBASE_CX4	 = 2,
77  	MLX5E_10GBASE_KX4	 = 3,
78  	MLX5E_10GBASE_KR	 = 4,
79  	MLX5E_20GBASE_KR2	 = 5,
80  	MLX5E_40GBASE_CR4	 = 6,
81  	MLX5E_40GBASE_KR4	 = 7,
82  	MLX5E_56GBASE_R4	 = 8,
83  	MLX5E_10GBASE_CR	 = 12,
84  	MLX5E_10GBASE_SR	 = 13,
85  	MLX5E_10GBASE_ER	 = 14,
86  	MLX5E_40GBASE_SR4	 = 15,
87  	MLX5E_40GBASE_LR4	 = 16,
88  	MLX5E_50GBASE_SR2	 = 18,
89  	MLX5E_100GBASE_CR4	 = 20,
90  	MLX5E_100GBASE_SR4	 = 21,
91  	MLX5E_100GBASE_KR4	 = 22,
92  	MLX5E_100GBASE_LR4	 = 23,
93  	MLX5E_100BASE_TX	 = 24,
94  	MLX5E_1000BASE_T	 = 25,
95  	MLX5E_10GBASE_T		 = 26,
96  	MLX5E_25GBASE_CR	 = 27,
97  	MLX5E_25GBASE_KR	 = 28,
98  	MLX5E_25GBASE_SR	 = 29,
99  	MLX5E_50GBASE_CR2	 = 30,
100  	MLX5E_50GBASE_KR2	 = 31,
101  	MLX5E_LINK_MODES_NUMBER,
102  };
103  
104  enum mlx5e_ext_link_mode {
105  	MLX5E_SGMII_100M			= 0,
106  	MLX5E_1000BASE_X_SGMII			= 1,
107  	MLX5E_5GBASE_R				= 3,
108  	MLX5E_10GBASE_XFI_XAUI_1		= 4,
109  	MLX5E_40GBASE_XLAUI_4_XLPPI_4		= 5,
110  	MLX5E_25GAUI_1_25GBASE_CR_KR		= 6,
111  	MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2	= 7,
112  	MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR	= 8,
113  	MLX5E_CAUI_4_100GBASE_CR4_KR4		= 9,
114  	MLX5E_100GAUI_2_100GBASE_CR2_KR2	= 10,
115  	MLX5E_100GAUI_1_100GBASE_CR_KR		= 11,
116  	MLX5E_200GAUI_4_200GBASE_CR4_KR4	= 12,
117  	MLX5E_200GAUI_2_200GBASE_CR2_KR2	= 13,
118  	MLX5E_400GAUI_8_400GBASE_CR8		= 15,
119  	MLX5E_400GAUI_4_400GBASE_CR4_KR4	= 16,
120  	MLX5E_800GAUI_8_800GBASE_CR8_KR8	= 19,
121  	MLX5E_EXT_LINK_MODES_NUMBER,
122  };
123  
124  enum mlx5e_connector_type {
125  	MLX5E_PORT_UNKNOWN	= 0,
126  	MLX5E_PORT_NONE			= 1,
127  	MLX5E_PORT_TP			= 2,
128  	MLX5E_PORT_AUI			= 3,
129  	MLX5E_PORT_BNC			= 4,
130  	MLX5E_PORT_MII			= 5,
131  	MLX5E_PORT_FIBRE		= 6,
132  	MLX5E_PORT_DA			= 7,
133  	MLX5E_PORT_OTHER		= 8,
134  	MLX5E_CONNECTOR_TYPE_NUMBER,
135  };
136  
137  enum mlx5_ptys_width {
138  	MLX5_PTYS_WIDTH_1X	= 1 << 0,
139  	MLX5_PTYS_WIDTH_2X	= 1 << 1,
140  	MLX5_PTYS_WIDTH_4X	= 1 << 2,
141  	MLX5_PTYS_WIDTH_8X	= 1 << 3,
142  	MLX5_PTYS_WIDTH_12X	= 1 << 4,
143  };
144  
145  struct mlx5_port_eth_proto {
146  	u32 cap;
147  	u32 admin;
148  	u32 oper;
149  };
150  
151  #define MLX5E_PROT_MASK(link_mode) (1U << link_mode)
152  #define MLX5_GET_ETH_PROTO(reg, out, ext, field)	\
153  	(ext ? MLX5_GET(reg, out, ext_##field) :	\
154  	MLX5_GET(reg, out, field))
155  
156  int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
157  int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
158  			 int ptys_size, int proto_mask,
159  			 u8 local_port, u8 plane_index);
160  
161  int mlx5_query_ib_port_oper(struct mlx5_core_dev *dev, u16 *link_width_oper,
162  			    u16 *proto_oper, u8 local_port, u8 plane_index);
163  void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
164  int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
165  			       enum mlx5_port_status status);
166  int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
167  				 enum mlx5_port_status *status);
168  int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration);
169  
170  int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port);
171  void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port);
172  void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu,
173  			      u8 port);
174  
175  int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
176  			      u8 *vl_hw_cap, u8 local_port);
177  
178  int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause);
179  int mlx5_query_port_pause(struct mlx5_core_dev *dev,
180  			  u32 *rx_pause, u32 *tx_pause);
181  
182  int mlx5_set_port_pfc(struct mlx5_core_dev *dev, u8 pfc_en_tx, u8 pfc_en_rx);
183  int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx,
184  			u8 *pfc_en_rx);
185  
186  int mlx5_set_port_stall_watermark(struct mlx5_core_dev *dev,
187  				  u16 stall_critical_watermark,
188  				  u16 stall_minor_watermark);
189  int mlx5_query_port_stall_watermark(struct mlx5_core_dev *dev,
190  				    u16 *stall_critical_watermark, u16 *stall_minor_watermark);
191  
192  int mlx5_max_tc(struct mlx5_core_dev *mdev);
193  
194  int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc);
195  int mlx5_query_port_prio_tc(struct mlx5_core_dev *mdev,
196  			    u8 prio, u8 *tc);
197  int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group);
198  int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
199  			     u8 tc, u8 *tc_group);
200  int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw);
201  int mlx5_query_port_tc_bw_alloc(struct mlx5_core_dev *mdev,
202  				u8 tc, u8 *bw_pct);
203  int mlx5_modify_port_ets_rate_limit(struct mlx5_core_dev *mdev,
204  				    u8 *max_bw_value,
205  				    u8 *max_bw_unit);
206  int mlx5_query_port_ets_rate_limit(struct mlx5_core_dev *mdev,
207  				   u8 *max_bw_value,
208  				   u8 *max_bw_unit);
209  int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode);
210  int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode);
211  
212  int mlx5_query_ports_check(struct mlx5_core_dev *mdev, u32 *out, int outlen);
213  int mlx5_set_ports_check(struct mlx5_core_dev *mdev, u32 *in, int inlen);
214  int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable);
215  void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
216  			 bool *enabled);
217  int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
218  			     u16 offset, u16 size, u8 *data);
219  int mlx5_query_module_eeprom_by_page(struct mlx5_core_dev *dev,
220  				     struct mlx5_module_eeprom_query_params *params, u8 *data);
221  
222  int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out);
223  int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in);
224  
225  int mlx5_set_trust_state(struct mlx5_core_dev *mdev, u8 trust_state);
226  int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state);
227  int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, u8 dscp, u8 prio);
228  int mlx5_query_dscp2prio(struct mlx5_core_dev *mdev, u8 *dscp2prio);
229  
230  int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext,
231  			      struct mlx5_port_eth_proto *eproto);
232  bool mlx5_ptys_ext_supported(struct mlx5_core_dev *mdev);
233  u32 mlx5_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper,
234  			 bool force_legacy);
235  u32 mlx5_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed,
236  			      bool force_legacy);
237  int mlx5_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
238  
239  #endif /* __MLX5_PORT_H__ */
240