xref: /freebsd/sys/dev/ixl/i40e_dcb.h (revision 6829dae12bb055451fa467da4589c43bd03b1e64)
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
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
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 /* Defines for LLDP TLV header */
73 #define I40E_LLDP_MIB_HLEN		14
74 #define I40E_LLDP_TLV_LEN_SHIFT		0
75 #define I40E_LLDP_TLV_LEN_MASK		(0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
76 #define I40E_LLDP_TLV_TYPE_SHIFT	9
77 #define I40E_LLDP_TLV_TYPE_MASK		(0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
78 #define I40E_LLDP_TLV_SUBTYPE_SHIFT	0
79 #define I40E_LLDP_TLV_SUBTYPE_MASK	(0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
80 #define I40E_LLDP_TLV_OUI_SHIFT		8
81 #define I40E_LLDP_TLV_OUI_MASK		(0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
82 
83 /* Defines for IEEE ETS TLV */
84 #define I40E_IEEE_ETS_MAXTC_SHIFT	0
85 #define I40E_IEEE_ETS_MAXTC_MASK	(0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
86 #define I40E_IEEE_ETS_CBS_SHIFT		6
87 #define I40E_IEEE_ETS_CBS_MASK		BIT(I40E_IEEE_ETS_CBS_SHIFT)
88 #define I40E_IEEE_ETS_WILLING_SHIFT	7
89 #define I40E_IEEE_ETS_WILLING_MASK	BIT(I40E_IEEE_ETS_WILLING_SHIFT)
90 #define I40E_IEEE_ETS_PRIO_0_SHIFT	0
91 #define I40E_IEEE_ETS_PRIO_0_MASK	(0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
92 #define I40E_IEEE_ETS_PRIO_1_SHIFT	4
93 #define I40E_IEEE_ETS_PRIO_1_MASK	(0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
94 #define I40E_CEE_PGID_PRIO_0_SHIFT	0
95 #define I40E_CEE_PGID_PRIO_0_MASK	(0xF << I40E_CEE_PGID_PRIO_0_SHIFT)
96 #define I40E_CEE_PGID_PRIO_1_SHIFT	4
97 #define I40E_CEE_PGID_PRIO_1_MASK	(0xF << I40E_CEE_PGID_PRIO_1_SHIFT)
98 #define I40E_CEE_PGID_STRICT		15
99 
100 /* Defines for IEEE TSA types */
101 #define I40E_IEEE_TSA_STRICT		0
102 #define I40E_IEEE_TSA_CBS		1
103 #define I40E_IEEE_TSA_ETS		2
104 #define I40E_IEEE_TSA_VENDOR		255
105 
106 /* Defines for IEEE PFC TLV */
107 #define I40E_IEEE_PFC_CAP_SHIFT		0
108 #define I40E_IEEE_PFC_CAP_MASK		(0xF << I40E_IEEE_PFC_CAP_SHIFT)
109 #define I40E_IEEE_PFC_MBC_SHIFT		6
110 #define I40E_IEEE_PFC_MBC_MASK		BIT(I40E_IEEE_PFC_MBC_SHIFT)
111 #define I40E_IEEE_PFC_WILLING_SHIFT	7
112 #define I40E_IEEE_PFC_WILLING_MASK	BIT(I40E_IEEE_PFC_WILLING_SHIFT)
113 
114 /* Defines for IEEE APP TLV */
115 #define I40E_IEEE_APP_SEL_SHIFT		0
116 #define I40E_IEEE_APP_SEL_MASK		(0x7 << I40E_IEEE_APP_SEL_SHIFT)
117 #define I40E_IEEE_APP_PRIO_SHIFT	5
118 #define I40E_IEEE_APP_PRIO_MASK		(0x7 << I40E_IEEE_APP_PRIO_SHIFT)
119 
120 /* TLV definitions for preparing MIB */
121 #define I40E_TLV_ID_CHASSIS_ID		0
122 #define I40E_TLV_ID_PORT_ID		1
123 #define I40E_TLV_ID_TIME_TO_LIVE	2
124 #define I40E_IEEE_TLV_ID_ETS_CFG	3
125 #define I40E_IEEE_TLV_ID_ETS_REC	4
126 #define I40E_IEEE_TLV_ID_PFC_CFG	5
127 #define I40E_IEEE_TLV_ID_APP_PRI	6
128 #define I40E_TLV_ID_END_OF_LLDPPDU	7
129 #define I40E_TLV_ID_START		I40E_IEEE_TLV_ID_ETS_CFG
130 
131 #define I40E_IEEE_ETS_TLV_LENGTH	25
132 #define I40E_IEEE_PFC_TLV_LENGTH	6
133 #define I40E_IEEE_APP_TLV_LENGTH	11
134 
135 #pragma pack(1)
136 
137 /* IEEE 802.1AB LLDP TLV structure */
138 struct i40e_lldp_generic_tlv {
139 	__be16 typelength;
140 	u8 tlvinfo[1];
141 };
142 
143 /* IEEE 802.1AB LLDP Organization specific TLV */
144 struct i40e_lldp_org_tlv {
145 	__be16 typelength;
146 	__be32 ouisubtype;
147 	u8 tlvinfo[1];
148 };
149 
150 struct i40e_cee_tlv_hdr {
151 	__be16 typelen;
152 	u8 operver;
153 	u8 maxver;
154 };
155 
156 struct i40e_cee_ctrl_tlv {
157 	struct i40e_cee_tlv_hdr hdr;
158 	__be32 seqno;
159 	__be32 ackno;
160 };
161 
162 struct i40e_cee_feat_tlv {
163 	struct i40e_cee_tlv_hdr hdr;
164 	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
165 #define I40E_CEE_FEAT_TLV_ENABLE_MASK	0x80
166 #define I40E_CEE_FEAT_TLV_WILLING_MASK	0x40
167 #define I40E_CEE_FEAT_TLV_ERR_MASK	0x20
168 	u8 subtype;
169 	u8 tlvinfo[1];
170 };
171 
172 struct i40e_cee_app_prio {
173 	__be16 protocol;
174 	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
175 #define I40E_CEE_APP_SELECTOR_MASK	0x03
176 	__be16 lower_oui;
177 	u8 prio_map;
178 };
179 #pragma pack()
180 
181 /*
182  * TODO: The below structures related LLDP/DCBX variables
183  * and statistics are defined but need to find how to get
184  * the required information from the Firmware to use them
185  */
186 
187 /* IEEE 802.1AB LLDP Agent Statistics */
188 struct i40e_lldp_stats {
189 	u64 remtablelastchangetime;
190 	u64 remtableinserts;
191 	u64 remtabledeletes;
192 	u64 remtabledrops;
193 	u64 remtableageouts;
194 	u64 txframestotal;
195 	u64 rxframesdiscarded;
196 	u64 rxportframeerrors;
197 	u64 rxportframestotal;
198 	u64 rxporttlvsdiscardedtotal;
199 	u64 rxporttlvsunrecognizedtotal;
200 	u64 remtoomanyneighbors;
201 };
202 
203 /* IEEE 802.1Qaz DCBX variables */
204 struct i40e_dcbx_variables {
205 	u32 defmaxtrafficclasses;
206 	u32 defprioritytcmapping;
207 	u32 deftcbandwidth;
208 	u32 deftsaassignment;
209 };
210 
211 enum i40e_status_code i40e_get_dcbx_status(struct i40e_hw *hw,
212 					   u16 *status);
213 enum i40e_status_code i40e_lldp_to_dcb_config(u8 *lldpmib,
214 					      struct i40e_dcbx_config *dcbcfg);
215 enum i40e_status_code i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
216 					     u8 bridgetype,
217 					     struct i40e_dcbx_config *dcbcfg);
218 enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw);
219 enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw);
220 enum i40e_status_code i40e_set_dcb_config(struct i40e_hw *hw);
221 enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen,
222 					      struct i40e_dcbx_config *dcbcfg);
223 
224 #endif /* _I40E_DCB_H_ */
225