1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2019, Intel Corporation. */
3
4 #ifndef _ICE_DCB_H_
5 #define _ICE_DCB_H_
6
7 #include "ice_type.h"
8
9 #define ICE_DCBX_STATUS_NOT_STARTED 0
10 #define ICE_DCBX_STATUS_IN_PROGRESS 1
11 #define ICE_DCBX_STATUS_DONE 2
12 #define ICE_DCBX_STATUS_DIS 7
13
14 #define ICE_TLV_TYPE_END 0
15 #define ICE_TLV_TYPE_ORG 127
16
17 #define ICE_IEEE_8021QAZ_OUI 0x0080C2
18 #define ICE_IEEE_SUBTYPE_ETS_CFG 9
19 #define ICE_IEEE_SUBTYPE_ETS_REC 10
20 #define ICE_IEEE_SUBTYPE_PFC_CFG 11
21 #define ICE_IEEE_SUBTYPE_APP_PRI 12
22
23 #define ICE_CEE_DCBX_OUI 0x001B21
24 #define ICE_CEE_DCBX_TYPE 2
25 #define ICE_CEE_SUBTYPE_PG_CFG 2
26 #define ICE_CEE_SUBTYPE_PFC_CFG 3
27 #define ICE_CEE_SUBTYPE_APP_PRI 4
28 #define ICE_CEE_MAX_FEAT_TYPE 3
29 /* Defines for LLDP TLV header */
30 #define ICE_LLDP_TLV_LEN_S 0
31 #define ICE_LLDP_TLV_LEN_M (0x01FF << ICE_LLDP_TLV_LEN_S)
32 #define ICE_LLDP_TLV_TYPE_S 9
33 #define ICE_LLDP_TLV_TYPE_M (0x7F << ICE_LLDP_TLV_TYPE_S)
34 #define ICE_LLDP_TLV_SUBTYPE_S 0
35 #define ICE_LLDP_TLV_SUBTYPE_M (0xFF << ICE_LLDP_TLV_SUBTYPE_S)
36 #define ICE_LLDP_TLV_OUI_S 8
37 #define ICE_LLDP_TLV_OUI_M (0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
38
39 /* Defines for IEEE ETS TLV */
40 #define ICE_IEEE_ETS_MAXTC_S 0
41 #define ICE_IEEE_ETS_MAXTC_M (0x7 << ICE_IEEE_ETS_MAXTC_S)
42 #define ICE_IEEE_ETS_CBS_S 6
43 #define ICE_IEEE_ETS_CBS_M BIT(ICE_IEEE_ETS_CBS_S)
44 #define ICE_IEEE_ETS_WILLING_S 7
45 #define ICE_IEEE_ETS_WILLING_M BIT(ICE_IEEE_ETS_WILLING_S)
46 #define ICE_IEEE_ETS_PRIO_0_S 0
47 #define ICE_IEEE_ETS_PRIO_0_M (0x7 << ICE_IEEE_ETS_PRIO_0_S)
48 #define ICE_IEEE_ETS_PRIO_1_S 4
49 #define ICE_IEEE_ETS_PRIO_1_M (0x7 << ICE_IEEE_ETS_PRIO_1_S)
50 #define ICE_CEE_PGID_PRIO_0_S 0
51 #define ICE_CEE_PGID_PRIO_0_M (0xF << ICE_CEE_PGID_PRIO_0_S)
52 #define ICE_CEE_PGID_PRIO_1_S 4
53 #define ICE_CEE_PGID_PRIO_1_M (0xF << ICE_CEE_PGID_PRIO_1_S)
54 #define ICE_CEE_PGID_STRICT 15
55
56 /* Defines for IEEE TSA types */
57 #define ICE_IEEE_TSA_STRICT 0
58 #define ICE_IEEE_TSA_ETS 2
59
60 /* Defines for IEEE PFC TLV */
61 #define ICE_IEEE_PFC_CAP_S 0
62 #define ICE_IEEE_PFC_CAP_M (0xF << ICE_IEEE_PFC_CAP_S)
63 #define ICE_IEEE_PFC_MBC_S 6
64 #define ICE_IEEE_PFC_MBC_M BIT(ICE_IEEE_PFC_MBC_S)
65 #define ICE_IEEE_PFC_WILLING_S 7
66 #define ICE_IEEE_PFC_WILLING_M BIT(ICE_IEEE_PFC_WILLING_S)
67
68 /* Defines for IEEE APP TLV */
69 #define ICE_IEEE_APP_SEL_S 0
70 #define ICE_IEEE_APP_SEL_M (0x7 << ICE_IEEE_APP_SEL_S)
71 #define ICE_IEEE_APP_PRIO_S 5
72 #define ICE_IEEE_APP_PRIO_M (0x7 << ICE_IEEE_APP_PRIO_S)
73
74 /* TLV definitions for preparing MIB */
75 #define ICE_IEEE_TLV_ID_ETS_CFG 3
76 #define ICE_IEEE_TLV_ID_ETS_REC 4
77 #define ICE_IEEE_TLV_ID_PFC_CFG 5
78 #define ICE_IEEE_TLV_ID_APP_PRI 6
79 #define ICE_TLV_ID_END_OF_LLDPPDU 7
80 #define ICE_TLV_ID_START ICE_IEEE_TLV_ID_ETS_CFG
81
82 #define ICE_IEEE_ETS_TLV_LEN 25
83 #define ICE_IEEE_PFC_TLV_LEN 6
84 #define ICE_IEEE_APP_TLV_LEN 11
85
86 /* IEEE 802.1AB LLDP Organization specific TLV */
87 struct ice_lldp_org_tlv {
88 __be16 typelen;
89 __be32 ouisubtype;
90 u8 tlvinfo[];
91 } __packed;
92
93 struct ice_cee_tlv_hdr {
94 __be16 typelen;
95 u8 operver;
96 u8 maxver;
97 };
98
99 struct ice_cee_ctrl_tlv {
100 struct ice_cee_tlv_hdr hdr;
101 __be32 seqno;
102 __be32 ackno;
103 };
104
105 struct ice_cee_feat_tlv {
106 struct ice_cee_tlv_hdr hdr;
107 u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
108 #define ICE_CEE_FEAT_TLV_ENA_M 0x80
109 #define ICE_CEE_FEAT_TLV_WILLING_M 0x40
110 #define ICE_CEE_FEAT_TLV_ERR_M 0x20
111 u8 subtype;
112 u8 tlvinfo[];
113 };
114
115 struct ice_cee_app_prio {
116 __be16 protocol;
117 u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
118 #define ICE_CEE_APP_SELECTOR_M 0x03
119 __be16 lower_oui;
120 u8 prio_map;
121 } __packed;
122
123 enum ice_status
124 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
125 struct ice_dcbx_cfg *dcbcfg);
126 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
127 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
128 enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
129 enum ice_status
130 ice_query_port_ets(struct ice_port_info *pi,
131 struct ice_aqc_port_ets_elem *buf, u16 buf_size,
132 struct ice_sq_cd *cmd_details);
133 #ifdef CONFIG_DCB
134 enum ice_status
135 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
136 struct ice_sq_cd *cd);
137 enum ice_status
138 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
139 enum ice_status
140 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
141 bool *dcbx_agent_status, struct ice_sq_cd *cd);
142 enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
143 #else /* CONFIG_DCB */
144 static inline enum ice_status
ice_aq_stop_lldp(struct ice_hw __always_unused * hw,bool __always_unused shutdown_lldp_agent,bool __always_unused persist,struct ice_sq_cd __always_unused * cd)145 ice_aq_stop_lldp(struct ice_hw __always_unused *hw,
146 bool __always_unused shutdown_lldp_agent,
147 bool __always_unused persist,
148 struct ice_sq_cd __always_unused *cd)
149 {
150 return 0;
151 }
152
153 static inline enum ice_status
ice_aq_start_lldp(struct ice_hw __always_unused * hw,bool __always_unused persist,struct ice_sq_cd __always_unused * cd)154 ice_aq_start_lldp(struct ice_hw __always_unused *hw,
155 bool __always_unused persist,
156 struct ice_sq_cd __always_unused *cd)
157 {
158 return 0;
159 }
160
161 static inline enum ice_status
ice_aq_start_stop_dcbx(struct ice_hw __always_unused * hw,bool __always_unused start_dcbx_agent,bool * dcbx_agent_status,struct ice_sq_cd __always_unused * cd)162 ice_aq_start_stop_dcbx(struct ice_hw __always_unused *hw,
163 bool __always_unused start_dcbx_agent,
164 bool *dcbx_agent_status,
165 struct ice_sq_cd __always_unused *cd)
166 {
167 *dcbx_agent_status = false;
168
169 return 0;
170 }
171
172 static inline enum ice_status
ice_cfg_lldp_mib_change(struct ice_hw __always_unused * hw,bool __always_unused ena_mib)173 ice_cfg_lldp_mib_change(struct ice_hw __always_unused *hw,
174 bool __always_unused ena_mib)
175 {
176 return 0;
177 }
178
179 #endif /* CONFIG_DCB */
180 #endif /* _ICE_DCB_H_ */
181