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 | #include <scsi/iscsi_proto.h> |
9 | |
10 | #define ICE_DCBX_STATUS_NOT_STARTED 0 |
11 | #define ICE_DCBX_STATUS_IN_PROGRESS 1 |
12 | #define ICE_DCBX_STATUS_DONE 2 |
13 | #define ICE_DCBX_STATUS_DIS 7 |
14 | |
15 | #define ICE_TLV_TYPE_END 0 |
16 | #define ICE_TLV_TYPE_ORG 127 |
17 | |
18 | #define ICE_IEEE_8021QAZ_OUI 0x0080C2 |
19 | #define ICE_IEEE_SUBTYPE_ETS_CFG 9 |
20 | #define ICE_IEEE_SUBTYPE_ETS_REC 10 |
21 | #define ICE_IEEE_SUBTYPE_PFC_CFG 11 |
22 | #define ICE_IEEE_SUBTYPE_APP_PRI 12 |
23 | |
24 | #define ICE_CEE_DCBX_OUI 0x001B21 |
25 | #define ICE_CEE_DCBX_TYPE 2 |
26 | |
27 | #define ICE_DSCP_OUI 0xFFFFFF |
28 | #define ICE_DSCP_SUBTYPE_DSCP2UP 0x41 |
29 | #define ICE_DSCP_SUBTYPE_ENFORCE 0x42 |
30 | #define ICE_DSCP_SUBTYPE_TCBW 0x43 |
31 | #define ICE_DSCP_SUBTYPE_PFC 0x44 |
32 | #define ICE_DSCP_IPV6_OFFSET 80 |
33 | |
34 | #define ICE_CEE_SUBTYPE_PG_CFG 2 |
35 | #define ICE_CEE_SUBTYPE_PFC_CFG 3 |
36 | #define ICE_CEE_SUBTYPE_APP_PRI 4 |
37 | #define ICE_CEE_MAX_FEAT_TYPE 3 |
38 | /* Defines for LLDP TLV header */ |
39 | #define ICE_LLDP_TLV_LEN_S 0 |
40 | #define ICE_LLDP_TLV_LEN_M (0x01FF << ICE_LLDP_TLV_LEN_S) |
41 | #define ICE_LLDP_TLV_TYPE_S 9 |
42 | #define ICE_LLDP_TLV_TYPE_M (0x7F << ICE_LLDP_TLV_TYPE_S) |
43 | #define ICE_LLDP_TLV_SUBTYPE_S 0 |
44 | #define ICE_LLDP_TLV_SUBTYPE_M (0xFF << ICE_LLDP_TLV_SUBTYPE_S) |
45 | #define ICE_LLDP_TLV_OUI_S 8 |
46 | #define ICE_LLDP_TLV_OUI_M (0xFFFFFFUL << ICE_LLDP_TLV_OUI_S) |
47 | |
48 | /* Defines for IEEE ETS TLV */ |
49 | #define ICE_IEEE_ETS_MAXTC_S 0 |
50 | #define ICE_IEEE_ETS_MAXTC_M (0x7 << ICE_IEEE_ETS_MAXTC_S) |
51 | #define ICE_IEEE_ETS_CBS_S 6 |
52 | #define ICE_IEEE_ETS_CBS_M BIT(ICE_IEEE_ETS_CBS_S) |
53 | #define ICE_IEEE_ETS_WILLING_S 7 |
54 | #define ICE_IEEE_ETS_WILLING_M BIT(ICE_IEEE_ETS_WILLING_S) |
55 | #define ICE_IEEE_ETS_PRIO_0_S 0 |
56 | #define ICE_IEEE_ETS_PRIO_0_M (0x7 << ICE_IEEE_ETS_PRIO_0_S) |
57 | #define ICE_IEEE_ETS_PRIO_1_S 4 |
58 | #define ICE_IEEE_ETS_PRIO_1_M (0x7 << ICE_IEEE_ETS_PRIO_1_S) |
59 | #define ICE_CEE_PGID_PRIO_0_S 0 |
60 | #define ICE_CEE_PGID_PRIO_0_M (0xF << ICE_CEE_PGID_PRIO_0_S) |
61 | #define ICE_CEE_PGID_PRIO_1_S 4 |
62 | #define ICE_CEE_PGID_PRIO_1_M (0xF << ICE_CEE_PGID_PRIO_1_S) |
63 | #define ICE_CEE_PGID_STRICT 15 |
64 | |
65 | /* Defines for IEEE TSA types */ |
66 | #define ICE_IEEE_TSA_STRICT 0 |
67 | #define ICE_IEEE_TSA_ETS 2 |
68 | |
69 | /* Defines for IEEE PFC TLV */ |
70 | #define ICE_IEEE_PFC_CAP_S 0 |
71 | #define ICE_IEEE_PFC_CAP_M (0xF << ICE_IEEE_PFC_CAP_S) |
72 | #define ICE_IEEE_PFC_MBC_S 6 |
73 | #define ICE_IEEE_PFC_MBC_M BIT(ICE_IEEE_PFC_MBC_S) |
74 | #define ICE_IEEE_PFC_WILLING_S 7 |
75 | #define ICE_IEEE_PFC_WILLING_M BIT(ICE_IEEE_PFC_WILLING_S) |
76 | |
77 | /* Defines for IEEE APP TLV */ |
78 | #define ICE_IEEE_APP_SEL_S 0 |
79 | #define ICE_IEEE_APP_SEL_M (0x7 << ICE_IEEE_APP_SEL_S) |
80 | #define ICE_IEEE_APP_PRIO_S 5 |
81 | #define ICE_IEEE_APP_PRIO_M (0x7 << ICE_IEEE_APP_PRIO_S) |
82 | |
83 | /* TLV definitions for preparing MIB */ |
84 | #define ICE_IEEE_TLV_ID_ETS_CFG 3 |
85 | #define ICE_IEEE_TLV_ID_ETS_REC 4 |
86 | #define ICE_IEEE_TLV_ID_PFC_CFG 5 |
87 | #define ICE_IEEE_TLV_ID_APP_PRI 6 |
88 | #define ICE_TLV_ID_END_OF_LLDPPDU 7 |
89 | #define ICE_TLV_ID_START ICE_IEEE_TLV_ID_ETS_CFG |
90 | #define ICE_TLV_ID_DSCP_UP 3 |
91 | #define ICE_TLV_ID_DSCP_ENF 4 |
92 | #define ICE_TLV_ID_DSCP_TC_BW 5 |
93 | #define ICE_TLV_ID_DSCP_TO_PFC 6 |
94 | |
95 | #define ICE_IEEE_ETS_TLV_LEN 25 |
96 | #define ICE_IEEE_PFC_TLV_LEN 6 |
97 | #define ICE_IEEE_APP_TLV_LEN 11 |
98 | |
99 | #define ICE_DSCP_UP_TLV_LEN 148 |
100 | #define ICE_DSCP_ENF_TLV_LEN 132 |
101 | #define ICE_DSCP_TC_BW_TLV_LEN 25 |
102 | #define ICE_DSCP_PFC_TLV_LEN 6 |
103 | |
104 | /* IEEE 802.1AB LLDP Organization specific TLV */ |
105 | struct ice_lldp_org_tlv { |
106 | __be16 typelen; |
107 | __be32 ouisubtype; |
108 | u8 tlvinfo[]; |
109 | } __packed; |
110 | |
111 | struct ice_cee_tlv_hdr { |
112 | __be16 typelen; |
113 | u8 operver; |
114 | u8 maxver; |
115 | }; |
116 | |
117 | struct ice_cee_ctrl_tlv { |
118 | struct ice_cee_tlv_hdr hdr; |
119 | __be32 seqno; |
120 | __be32 ackno; |
121 | }; |
122 | |
123 | struct ice_cee_feat_tlv { |
124 | struct ice_cee_tlv_hdr hdr; |
125 | u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */ |
126 | #define ICE_CEE_FEAT_TLV_ENA_M 0x80 |
127 | #define ICE_CEE_FEAT_TLV_WILLING_M 0x40 |
128 | #define ICE_CEE_FEAT_TLV_ERR_M 0x20 |
129 | u8 subtype; |
130 | u8 tlvinfo[]; |
131 | }; |
132 | |
133 | struct ice_cee_app_prio { |
134 | __be16 protocol; |
135 | u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */ |
136 | #define ICE_CEE_APP_SELECTOR_M 0x03 |
137 | __be16 lower_oui; |
138 | u8 prio_map; |
139 | } __packed; |
140 | |
141 | int ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd); |
142 | int |
143 | ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype, |
144 | struct ice_dcbx_cfg *dcbcfg); |
145 | int ice_get_dcb_cfg(struct ice_port_info *pi); |
146 | int ice_set_dcb_cfg(struct ice_port_info *pi); |
147 | void ice_get_dcb_cfg_from_mib_change(struct ice_port_info *pi, |
148 | struct ice_rq_event_info *event); |
149 | int ice_init_dcb(struct ice_hw *hw, bool enable_mib_change); |
150 | int |
151 | ice_query_port_ets(struct ice_port_info *pi, |
152 | struct ice_aqc_port_ets_elem *buf, u16 buf_size, |
153 | struct ice_sq_cd *cmd_details); |
154 | #ifdef CONFIG_DCB |
155 | int |
156 | ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist, |
157 | struct ice_sq_cd *cd); |
158 | int ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd); |
159 | int |
160 | ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent, |
161 | bool *dcbx_agent_status, struct ice_sq_cd *cd); |
162 | int ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib); |
163 | #else /* CONFIG_DCB */ |
164 | static inline int |
165 | ice_aq_stop_lldp(struct ice_hw __always_unused *hw, |
166 | bool __always_unused shutdown_lldp_agent, |
167 | bool __always_unused persist, |
168 | struct ice_sq_cd __always_unused *cd) |
169 | { |
170 | return 0; |
171 | } |
172 | |
173 | static inline int |
174 | ice_aq_start_lldp(struct ice_hw __always_unused *hw, |
175 | bool __always_unused persist, |
176 | struct ice_sq_cd __always_unused *cd) |
177 | { |
178 | return 0; |
179 | } |
180 | |
181 | static inline int |
182 | ice_aq_start_stop_dcbx(struct ice_hw __always_unused *hw, |
183 | bool __always_unused start_dcbx_agent, |
184 | bool *dcbx_agent_status, |
185 | struct ice_sq_cd __always_unused *cd) |
186 | { |
187 | *dcbx_agent_status = false; |
188 | |
189 | return 0; |
190 | } |
191 | |
192 | static inline int |
193 | ice_cfg_lldp_mib_change(struct ice_hw __always_unused *hw, |
194 | bool __always_unused ena_mib) |
195 | { |
196 | return 0; |
197 | } |
198 | |
199 | #endif /* CONFIG_DCB */ |
200 | #endif /* _ICE_DCB_H_ */ |
201 | |