xref: /freebsd/sys/dev/mlx5/port.h (revision 84943d6f38e936ac3b7a3947ca26eeb27a39f938)
1 /*-
2  * Copyright (c) 2016-2021, Mellanox Technologies, Ltd.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #ifndef __MLX5_PORT_H__
27 #define	__MLX5_PORT_H__
28 
29 #include <dev/mlx5/driver.h>
30 
31 enum mlx5_beacon_duration {
32 	MLX5_BEACON_DURATION_OFF = 0x0,
33 	MLX5_BEACON_DURATION_INF = 0xffff,
34 };
35 
36 enum mlx5_module_id {
37 	MLX5_MODULE_ID_SFP              = 0x3,
38 	MLX5_MODULE_ID_QSFP             = 0xC,
39 	MLX5_MODULE_ID_QSFP_PLUS        = 0xD,
40 	MLX5_MODULE_ID_QSFP28           = 0x11,
41 };
42 
43 enum mlx5_an_status {
44 	MLX5_AN_UNAVAILABLE = 0,
45 	MLX5_AN_COMPLETE    = 1,
46 	MLX5_AN_FAILED      = 2,
47 	MLX5_AN_LINK_UP     = 3,
48 	MLX5_AN_LINK_DOWN   = 4,
49 };
50 
51 /* EEPROM I2C Addresses */
52 #define	MLX5_I2C_ADDR_LOW			0x50
53 #define	MLX5_I2C_ADDR_HIGH			0x51
54 #define	MLX5_EEPROM_PAGE_LENGTH			256
55 #define	MLX5_EEPROM_MAX_BYTES			32
56 #define	MLX5_EEPROM_IDENTIFIER_BYTE_MASK	0x000000ff
57 #define	MLX5_EEPROM_REVISION_ID_BYTE_MASK       0x0000ff00
58 #define	MLX5_EEPROM_PAGE_3_VALID_BIT_MASK       0x00040000
59 #define	MLX5_EEPROM_LOW_PAGE			0x0
60 #define	MLX5_EEPROM_HIGH_PAGE			0x3
61 #define	MLX5_EEPROM_HIGH_PAGE_OFFSET		128
62 #define	MLX5_EEPROM_INFO_BYTES			0x3
63 
64 /* EEPROM Standards for plug in modules */
65 #ifndef MLX5_ETH_MODULE_SFF_8472
66 #define	MLX5_ETH_MODULE_SFF_8472	0x1
67 #define	MLX5_ETH_MODULE_SFF_8472_LEN	128
68 #endif
69 
70 #ifndef MLX5_ETH_MODULE_SFF_8636
71 #define	MLX5_ETH_MODULE_SFF_8636	0x2
72 #define	MLX5_ETH_MODULE_SFF_8636_LEN	256
73 #endif
74 
75 #ifndef MLX5_ETH_MODULE_SFF_8436
76 #define	MLX5_ETH_MODULE_SFF_8436	0x3
77 #define	MLX5_ETH_MODULE_SFF_8436_LEN	256
78 #endif
79 
80 enum mlx5e_link_speed {
81 	MLX5E_1000BASE_CX_SGMII	 = 0,
82 	MLX5E_1000BASE_KX	 = 1,
83 	MLX5E_10GBASE_CX4	 = 2,
84 	MLX5E_10GBASE_KX4	 = 3,
85 	MLX5E_10GBASE_KR	 = 4,
86 	MLX5E_20GBASE_KR2	 = 5,
87 	MLX5E_40GBASE_CR4	 = 6,
88 	MLX5E_40GBASE_KR4	 = 7,
89 	MLX5E_56GBASE_R4	 = 8,
90 	MLX5E_10GBASE_CR	 = 12,
91 	MLX5E_10GBASE_SR	 = 13,
92 	MLX5E_10GBASE_ER_LR	 = 14,
93 	MLX5E_40GBASE_SR4	 = 15,
94 	MLX5E_40GBASE_LR4_ER4	 = 16,
95 	MLX5E_50GBASE_SR2	 = 18,
96 	MLX5E_50GBASE_KR4	 = 19,
97 	MLX5E_100GBASE_CR4	 = 20,
98 	MLX5E_100GBASE_SR4	 = 21,
99 	MLX5E_100GBASE_KR4	 = 22,
100 	MLX5E_100GBASE_LR4	 = 23,
101 	MLX5E_100BASE_TX	 = 24,
102 	MLX5E_1000BASE_T	 = 25,
103 	MLX5E_10GBASE_T		 = 26,
104 	MLX5E_25GBASE_CR	 = 27,
105 	MLX5E_25GBASE_KR	 = 28,
106 	MLX5E_25GBASE_SR	 = 29,
107 	MLX5E_50GBASE_CR2	 = 30,
108 	MLX5E_50GBASE_KR2	 = 31,
109 	MLX5E_LINK_SPEEDS_NUMBER = 32,
110 };
111 
112 enum mlx5e_ext_link_speed {
113 	MLX5E_SGMII_100M			= 0,
114 	MLX5E_1000BASE_X_SGMII			= 1,
115 	MLX5E_5GBASE_R				= 3,
116 	MLX5E_10GBASE_XFI_XAUI_1		= 4,
117 	MLX5E_40GBASE_XLAUI_4_XLPPI_4		= 5,
118 	MLX5E_25GAUI_1_25GBASE_CR_KR		= 6,
119 	MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2	= 7,
120 	MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR	= 8,
121 	MLX5E_CAUI_4_100GBASE_CR4_KR4		= 9,
122 	MLX5E_100GAUI_2_100GBASE_CR2_KR2	= 10,
123 	MLX5E_100GAUI_1_100GBASE_CR_KR		= 11,
124 	MLX5E_200GAUI_4_200GBASE_CR4_KR4	= 12,
125 	MLX5E_200GAUI_2_200GBASE_CR2_KR2	= 13,
126 	MLX5E_400GAUI_8				= 15,
127 	MLX5E_400GAUI_4_400GBASE_CR4_KR4	= 16,
128 	MLX5E_EXT_LINK_SPEEDS_NUMBER		= 32,
129 };
130 
131 enum mlx5e_cable_type {
132 	MLX5E_CABLE_TYPE_UNKNOWN		= 0,
133 	MLX5E_CABLE_TYPE_ACTIVE_CABLE		= 1,
134 	MLX5E_CABLE_TYPE_OPTICAL_MODULE 	= 2,
135 	MLX5E_CABLE_TYPE_PASSIVE_COPPER		= 3,
136 	MLX5E_CABLE_TYPE_CABLE_UNPLUGGED	= 4,
137 	MLX5E_CABLE_TYPE_TWISTED_PAIR		= 5,
138 	MLX5E_CABLE_TYPE_NUMBER			= 8,
139 };
140 
141 enum mlx5_qpts_trust_state {
142 	MLX5_QPTS_TRUST_PCP = 1,
143 	MLX5_QPTS_TRUST_DSCP = 2,
144 	MLX5_QPTS_TRUST_BOTH = 3,
145 };
146 struct mlx5e_port_eth_proto {
147 	u32 cap;
148 	u32 admin;
149 	u32 oper;
150 };
151 
152 #ifndef SPEED_40000
153 #define SPEED_40000 40000
154 #endif
155 
156 #define	MLX5E_PROT_MASK(link_mode) (1 << (link_mode))
157 
158 #define	PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
159 #define	PORT_MODULE_EVENT_ERROR_TYPE_MASK 0xF
160 
161 #define MLX5_GET_ETH_PROTO(reg, out, ext, field)    \
162     ((ext) ? MLX5_GET(reg, out, ext_##field) :        \
163     MLX5_GET(reg, out, field))
164 
165 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
166 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
167 			 int ptys_size, int proto_mask, u8 local_port);
168 int mlx5_query_port_proto_cap(struct mlx5_core_dev *dev,
169 			      u32 *proto_cap, int proto_mask);
170 int mlx5_query_port_autoneg(struct mlx5_core_dev *dev, int proto_mask,
171 			    u8 *an_disable_cap, u8 *an_disable_status);
172 int mlx5_set_port_autoneg(struct mlx5_core_dev *dev, bool disable,
173 			  u32 eth_proto_admin, int proto_mask);
174 int mlx5_query_port_proto_admin(struct mlx5_core_dev *dev,
175 				u32 *proto_admin, int proto_mask);
176 int mlx5_query_port_eth_proto_oper(struct mlx5_core_dev *dev,
177 				   u32 *proto_oper, u8 local_port);
178 int mlx5_set_port_proto(struct mlx5_core_dev *dev, u32 proto_admin,
179 			int proto_mask, bool ext);
180 int mlx5_set_port_status(struct mlx5_core_dev *dev,
181 			 enum mlx5_port_status status);
182 int mlx5_query_port_status(struct mlx5_core_dev *dev, u8 *status);
183 int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
184 				 enum mlx5_port_status *status);
185 int mlx5_set_port_pause_and_pfc(struct mlx5_core_dev *dev, u32 port,
186 				u8 rx_pause, u8 tx_pause,
187 				u8 pfc_en_rx, u8 pfc_en_tx);
188 int mlx5_query_port_pause(struct mlx5_core_dev *dev, u32 port,
189 			  u32 *rx_pause, u32 *tx_pause);
190 int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx, u8 *pfc_en_rx);
191 
192 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu);
193 int mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu);
194 int mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu);
195 
196 unsigned int mlx5_query_module_status(struct mlx5_core_dev *dev, int module_num);
197 int mlx5_query_module_num(struct mlx5_core_dev *dev, int *module_num);
198 int mlx5_query_eeprom(struct mlx5_core_dev *dev, int i2c_addr, int page_num,
199 		      int device_addr, int size, int module_num, u32 *data,
200 		      int *size_read);
201 
202 int mlx5_max_tc(struct mlx5_core_dev *mdev);
203 int mlx5_query_port_tc_rate_limit(struct mlx5_core_dev *mdev,
204 				   u8 *max_bw_value,
205 				   u8 *max_bw_units);
206 int mlx5_modify_port_tc_rate_limit(struct mlx5_core_dev *mdev,
207 				   const u8 *max_bw_value,
208 				   const u8 *max_bw_units);
209 int mlx5_query_port_prio_tc(struct mlx5_core_dev *mdev,
210 			    u8 prio, u8 *tc);
211 int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, int prio_index,
212 			  const u8 prio_tc);
213 int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, const u8 *tc_group);
214 int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
215 			     u8 tc, u8 *tc_group);
216 int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, const u8 *tc_bw);
217 int mlx5_query_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *bw_pct);
218 
219 int mlx5_set_trust_state(struct mlx5_core_dev *mdev, u8 trust_state);
220 int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state);
221 
222 #define	MLX5_MAX_SUPPORTED_DSCP 64
223 int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, const u8 *dscp2prio);
224 int mlx5_query_dscp2prio(struct mlx5_core_dev *mdev, u8 *dscp2prio);
225 
226 int mlx5_query_pddr_range_info(struct mlx5_core_dev *mdev, u8 local_port, u8 *is_er_type);
227 int mlx5_query_pddr_cable_type(struct mlx5_core_dev *mdev, u8 local_port, u8 *cable_type);
228 
229 u32 mlx5e_port_ptys2speed(struct mlx5_core_dev *mdev, u32 eth_proto_oper);
230 int mlx5e_port_linkspeed(struct mlx5_core_dev *mdev, u32 *speed);
231 int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext,
232 			      struct mlx5e_port_eth_proto *eproto);
233 
234 int mlx5e_port_query_pbmc(struct mlx5_core_dev *mdev, void *out);
235 int mlx5e_port_set_pbmc(struct mlx5_core_dev *mdev, void *in);
236 int mlx5e_port_query_priority2buffer(struct mlx5_core_dev *mdev, u8 *buffer);
237 int mlx5e_port_set_priority2buffer(struct mlx5_core_dev *mdev, u8 *buffer);
238 
239 #endif /* __MLX5_PORT_H__ */
240