xref: /freebsd/sys/dev/ixl/i40e_dcb.h (revision 3a9fd8242b35884921dfc4e886f284a75870a536)
1 /******************************************************************************
2 
3   Copyright (c) 2013-2018, Intel Corporation
4   All rights reserved.
5 
6   Redistribution and use in source and binary forms, with or without
7   modification, are permitted provided that the following conditions are met:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation 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   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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31 
32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #ifndef _I40E_DCB_H_
36 #define _I40E_DCB_H_
37 
38 #include "i40e_type.h"
39 
40 #define I40E_DCBX_OFFLOAD_DISABLED	0
41 #define I40E_DCBX_OFFLOAD_ENABLED	1
42 
43 #define I40E_DCBX_STATUS_NOT_STARTED	0
44 #define I40E_DCBX_STATUS_IN_PROGRESS	1
45 #define I40E_DCBX_STATUS_DONE		2
46 #define I40E_DCBX_STATUS_MULTIPLE_PEERS	3
47 #define I40E_DCBX_STATUS_DISABLED	7
48 
49 #define I40E_TLV_TYPE_END		0
50 #define I40E_TLV_TYPE_ORG		127
51 
52 #define I40E_IEEE_8021QAZ_OUI		0x0080C2
53 #define I40E_IEEE_SUBTYPE_ETS_CFG	9
54 #define I40E_IEEE_SUBTYPE_ETS_REC	10
55 #define I40E_IEEE_SUBTYPE_PFC_CFG	11
56 #define I40E_IEEE_SUBTYPE_APP_PRI	12
57 
58 #define I40E_CEE_DCBX_OUI		0x001b21
59 #define I40E_CEE_DCBX_TYPE		2
60 
61 #define I40E_CEE_SUBTYPE_CTRL		1
62 #define I40E_CEE_SUBTYPE_PG_CFG		2
63 #define I40E_CEE_SUBTYPE_PFC_CFG	3
64 #define I40E_CEE_SUBTYPE_APP_PRI	4
65 
66 #define I40E_CEE_MAX_FEAT_TYPE		3
67 #define I40E_LLDP_ADMINSTATUS_DISABLED		0
68 #define I40E_LLDP_ADMINSTATUS_ENABLED_RX	1
69 #define I40E_LLDP_ADMINSTATUS_ENABLED_TX	2
70 #define I40E_LLDP_ADMINSTATUS_ENABLED_RXTX	3
71 
72 #define I40E_LLDP_CURRENT_STATUS_XL710_OFFSET	0x2B
73 #define I40E_LLDP_CURRENT_STATUS_X722_OFFSET	0x31
74 #define I40E_LLDP_CURRENT_STATUS_OFFSET		1
75 #define I40E_LLDP_CURRENT_STATUS_SIZE		1
76 
77 /* Defines for LLDP TLV header */
78 #define I40E_LLDP_MIB_HLEN		14
79 #define I40E_LLDP_TLV_LEN_SHIFT		0
80 #define I40E_LLDP_TLV_LEN_MASK		(0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
81 #define I40E_LLDP_TLV_TYPE_SHIFT	9
82 #define I40E_LLDP_TLV_TYPE_MASK		(0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
83 #define I40E_LLDP_TLV_SUBTYPE_SHIFT	0
84 #define I40E_LLDP_TLV_SUBTYPE_MASK	(0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
85 #define I40E_LLDP_TLV_OUI_SHIFT		8
86 #define I40E_LLDP_TLV_OUI_MASK		(0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
87 
88 /* Defines for IEEE ETS TLV */
89 #define I40E_IEEE_ETS_MAXTC_SHIFT	0
90 #define I40E_IEEE_ETS_MAXTC_MASK	(0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
91 #define I40E_IEEE_ETS_CBS_SHIFT		6
92 #define I40E_IEEE_ETS_CBS_MASK		BIT(I40E_IEEE_ETS_CBS_SHIFT)
93 #define I40E_IEEE_ETS_WILLING_SHIFT	7
94 #define I40E_IEEE_ETS_WILLING_MASK	BIT(I40E_IEEE_ETS_WILLING_SHIFT)
95 #define I40E_IEEE_ETS_PRIO_0_SHIFT	0
96 #define I40E_IEEE_ETS_PRIO_0_MASK	(0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
97 #define I40E_IEEE_ETS_PRIO_1_SHIFT	4
98 #define I40E_IEEE_ETS_PRIO_1_MASK	(0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
99 #define I40E_CEE_PGID_PRIO_0_SHIFT	0
100 #define I40E_CEE_PGID_PRIO_0_MASK	(0xF << I40E_CEE_PGID_PRIO_0_SHIFT)
101 #define I40E_CEE_PGID_PRIO_1_SHIFT	4
102 #define I40E_CEE_PGID_PRIO_1_MASK	(0xF << I40E_CEE_PGID_PRIO_1_SHIFT)
103 #define I40E_CEE_PGID_STRICT		15
104 
105 /* Defines for IEEE TSA types */
106 #define I40E_IEEE_TSA_STRICT		0
107 #define I40E_IEEE_TSA_CBS		1
108 #define I40E_IEEE_TSA_ETS		2
109 #define I40E_IEEE_TSA_VENDOR		255
110 
111 /* Defines for IEEE PFC TLV */
112 #define I40E_IEEE_PFC_CAP_SHIFT		0
113 #define I40E_IEEE_PFC_CAP_MASK		(0xF << I40E_IEEE_PFC_CAP_SHIFT)
114 #define I40E_IEEE_PFC_MBC_SHIFT		6
115 #define I40E_IEEE_PFC_MBC_MASK		BIT(I40E_IEEE_PFC_MBC_SHIFT)
116 #define I40E_IEEE_PFC_WILLING_SHIFT	7
117 #define I40E_IEEE_PFC_WILLING_MASK	BIT(I40E_IEEE_PFC_WILLING_SHIFT)
118 
119 /* Defines for IEEE APP TLV */
120 #define I40E_IEEE_APP_SEL_SHIFT		0
121 #define I40E_IEEE_APP_SEL_MASK		(0x7 << I40E_IEEE_APP_SEL_SHIFT)
122 #define I40E_IEEE_APP_PRIO_SHIFT	5
123 #define I40E_IEEE_APP_PRIO_MASK		(0x7 << I40E_IEEE_APP_PRIO_SHIFT)
124 
125 /* TLV definitions for preparing MIB */
126 #define I40E_TLV_ID_CHASSIS_ID		0
127 #define I40E_TLV_ID_PORT_ID		1
128 #define I40E_TLV_ID_TIME_TO_LIVE	2
129 #define I40E_IEEE_TLV_ID_ETS_CFG	3
130 #define I40E_IEEE_TLV_ID_ETS_REC	4
131 #define I40E_IEEE_TLV_ID_PFC_CFG	5
132 #define I40E_IEEE_TLV_ID_APP_PRI	6
133 #define I40E_TLV_ID_END_OF_LLDPPDU	7
134 #define I40E_TLV_ID_START		I40E_IEEE_TLV_ID_ETS_CFG
135 
136 #define I40E_IEEE_ETS_TLV_LENGTH	25
137 #define I40E_IEEE_PFC_TLV_LENGTH	6
138 #define I40E_IEEE_APP_TLV_LENGTH	11
139 
140 #pragma pack(1)
141 
142 /* IEEE 802.1AB LLDP TLV structure */
143 struct i40e_lldp_generic_tlv {
144 	__be16 typelength;
145 	u8 tlvinfo[1];
146 };
147 
148 /* IEEE 802.1AB LLDP Organization specific TLV */
149 struct i40e_lldp_org_tlv {
150 	__be16 typelength;
151 	__be32 ouisubtype;
152 	u8 tlvinfo[1];
153 };
154 
155 struct i40e_cee_tlv_hdr {
156 	__be16 typelen;
157 	u8 operver;
158 	u8 maxver;
159 };
160 
161 struct i40e_cee_ctrl_tlv {
162 	struct i40e_cee_tlv_hdr hdr;
163 	__be32 seqno;
164 	__be32 ackno;
165 };
166 
167 struct i40e_cee_feat_tlv {
168 	struct i40e_cee_tlv_hdr hdr;
169 	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
170 #define I40E_CEE_FEAT_TLV_ENABLE_MASK	0x80
171 #define I40E_CEE_FEAT_TLV_WILLING_MASK	0x40
172 #define I40E_CEE_FEAT_TLV_ERR_MASK	0x20
173 	u8 subtype;
174 	u8 tlvinfo[1];
175 };
176 
177 struct i40e_cee_app_prio {
178 	__be16 protocol;
179 	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
180 #define I40E_CEE_APP_SELECTOR_MASK	0x03
181 	__be16 lower_oui;
182 	u8 prio_map;
183 };
184 #pragma pack()
185 
186 /*
187  * TODO: The below structures related LLDP/DCBX variables
188  * and statistics are defined but need to find how to get
189  * the required information from the Firmware to use them
190  */
191 
192 /* IEEE 802.1AB LLDP Agent Statistics */
193 struct i40e_lldp_stats {
194 	u64 remtablelastchangetime;
195 	u64 remtableinserts;
196 	u64 remtabledeletes;
197 	u64 remtabledrops;
198 	u64 remtableageouts;
199 	u64 txframestotal;
200 	u64 rxframesdiscarded;
201 	u64 rxportframeerrors;
202 	u64 rxportframestotal;
203 	u64 rxporttlvsdiscardedtotal;
204 	u64 rxporttlvsunrecognizedtotal;
205 	u64 remtoomanyneighbors;
206 };
207 
208 /* IEEE 802.1Qaz DCBX variables */
209 struct i40e_dcbx_variables {
210 	u32 defmaxtrafficclasses;
211 	u32 defprioritytcmapping;
212 	u32 deftcbandwidth;
213 	u32 deftsaassignment;
214 };
215 
216 
217 enum i40e_get_fw_lldp_status_resp {
218 	I40E_GET_FW_LLDP_STATUS_DISABLED = 0,
219 	I40E_GET_FW_LLDP_STATUS_ENABLED = 1
220 };
221 
222 enum i40e_status_code i40e_get_dcbx_status(struct i40e_hw *hw,
223 					   u16 *status);
224 enum i40e_status_code i40e_lldp_to_dcb_config(u8 *lldpmib,
225 					      struct i40e_dcbx_config *dcbcfg);
226 enum i40e_status_code i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
227 					     u8 bridgetype,
228 					     struct i40e_dcbx_config *dcbcfg);
229 enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw);
230 enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw,
231 				    bool enable_mib_change);
232 enum i40e_status_code
233 i40e_get_fw_lldp_status(struct i40e_hw *hw,
234 			enum i40e_get_fw_lldp_status_resp *lldp_status);
235 enum i40e_status_code i40e_set_dcb_config(struct i40e_hw *hw);
236 enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen,
237 					      struct i40e_dcbx_config *dcbcfg);
238 #endif /* _I40E_DCB_H_ */
239