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				= 15,
119 	MLX5E_400GAUI_4_400GBASE_CR4_KR4	= 16,
120 	MLX5E_EXT_LINK_MODES_NUMBER,
121 };
122 
123 enum mlx5e_connector_type {
124 	MLX5E_PORT_UNKNOWN	= 0,
125 	MLX5E_PORT_NONE			= 1,
126 	MLX5E_PORT_TP			= 2,
127 	MLX5E_PORT_AUI			= 3,
128 	MLX5E_PORT_BNC			= 4,
129 	MLX5E_PORT_MII			= 5,
130 	MLX5E_PORT_FIBRE		= 6,
131 	MLX5E_PORT_DA			= 7,
132 	MLX5E_PORT_OTHER		= 8,
133 	MLX5E_CONNECTOR_TYPE_NUMBER,
134 };
135 
136 enum mlx5_ptys_width {
137 	MLX5_PTYS_WIDTH_1X	= 1 << 0,
138 	MLX5_PTYS_WIDTH_2X	= 1 << 1,
139 	MLX5_PTYS_WIDTH_4X	= 1 << 2,
140 	MLX5_PTYS_WIDTH_8X	= 1 << 3,
141 	MLX5_PTYS_WIDTH_12X	= 1 << 4,
142 };
143 
144 struct mlx5_port_eth_proto {
145 	u32 cap;
146 	u32 admin;
147 	u32 oper;
148 };
149 
150 #define MLX5E_PROT_MASK(link_mode) (1U << link_mode)
151 #define MLX5_GET_ETH_PROTO(reg, out, ext, field)	\
152 	(ext ? MLX5_GET(reg, out, ext_##field) :	\
153 	MLX5_GET(reg, out, field))
154 
155 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
156 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
157 			 int ptys_size, int proto_mask, u8 local_port);
158 
159 int mlx5_query_ib_port_oper(struct mlx5_core_dev *dev, u16 *link_width_oper,
160 			    u16 *proto_oper, u8 local_port);
161 void mlx5_toggle_port_link(struct mlx5_core_dev *dev);
162 int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
163 			       enum mlx5_port_status status);
164 int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
165 				 enum mlx5_port_status *status);
166 int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration);
167 
168 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port);
169 void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port);
170 void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu,
171 			      u8 port);
172 
173 int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
174 			      u8 *vl_hw_cap, u8 local_port);
175 
176 int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause);
177 int mlx5_query_port_pause(struct mlx5_core_dev *dev,
178 			  u32 *rx_pause, u32 *tx_pause);
179 
180 int mlx5_set_port_pfc(struct mlx5_core_dev *dev, u8 pfc_en_tx, u8 pfc_en_rx);
181 int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx,
182 			u8 *pfc_en_rx);
183 
184 int mlx5_set_port_stall_watermark(struct mlx5_core_dev *dev,
185 				  u16 stall_critical_watermark,
186 				  u16 stall_minor_watermark);
187 int mlx5_query_port_stall_watermark(struct mlx5_core_dev *dev,
188 				    u16 *stall_critical_watermark, u16 *stall_minor_watermark);
189 
190 int mlx5_max_tc(struct mlx5_core_dev *mdev);
191 
192 int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc);
193 int mlx5_query_port_prio_tc(struct mlx5_core_dev *mdev,
194 			    u8 prio, u8 *tc);
195 int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group);
196 int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
197 			     u8 tc, u8 *tc_group);
198 int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw);
199 int mlx5_query_port_tc_bw_alloc(struct mlx5_core_dev *mdev,
200 				u8 tc, u8 *bw_pct);
201 int mlx5_modify_port_ets_rate_limit(struct mlx5_core_dev *mdev,
202 				    u8 *max_bw_value,
203 				    u8 *max_bw_unit);
204 int mlx5_query_port_ets_rate_limit(struct mlx5_core_dev *mdev,
205 				   u8 *max_bw_value,
206 				   u8 *max_bw_unit);
207 int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode);
208 int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode);
209 
210 int mlx5_query_ports_check(struct mlx5_core_dev *mdev, u32 *out, int outlen);
211 int mlx5_set_ports_check(struct mlx5_core_dev *mdev, u32 *in, int inlen);
212 int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable);
213 void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
214 			 bool *enabled);
215 int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
216 			     u16 offset, u16 size, u8 *data);
217 int mlx5_query_module_eeprom_by_page(struct mlx5_core_dev *dev,
218 				     struct mlx5_module_eeprom_query_params *params, u8 *data);
219 
220 int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out);
221 int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in);
222 
223 int mlx5_set_trust_state(struct mlx5_core_dev *mdev, u8 trust_state);
224 int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state);
225 int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, u8 dscp, u8 prio);
226 int mlx5_query_dscp2prio(struct mlx5_core_dev *mdev, u8 *dscp2prio);
227 
228 int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext,
229 			      struct mlx5_port_eth_proto *eproto);
230 bool mlx5_ptys_ext_supported(struct mlx5_core_dev *mdev);
231 u32 mlx5_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper,
232 			 bool force_legacy);
233 u32 mlx5_port_speed2linkmodes(struct mlx5_core_dev *mdev, u32 speed,
234 			      bool force_legacy);
235 int mlx5_port_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
236 
237 #endif /* __MLX5_PORT_H__ */
238