xref: /freebsd/sys/dev/ixl/i40e_dcb.h (revision e4456411a8c2d4a9bfbccd60f2cf914fd402f817)
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2 
3   Copyright (c) 2013-2018, Intel Corporation
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5 
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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