xref: /f-stack/dpdk/drivers/net/ice/base/ice_dcb.h (revision 2d9fd380)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2001-2020 Intel Corporation
3  */
4 
5 #ifndef _ICE_DCB_H_
6 #define _ICE_DCB_H_
7 
8 #include "ice_type.h"
9 #include "ice_common.h"
10 
11 #define ICE_DCBX_OFFLOAD_DIS		0
12 #define ICE_DCBX_OFFLOAD_ENABLED	1
13 
14 #define ICE_DCBX_STATUS_NOT_STARTED	0
15 #define ICE_DCBX_STATUS_IN_PROGRESS	1
16 #define ICE_DCBX_STATUS_DONE		2
17 #define ICE_DCBX_STATUS_MULTIPLE_PEERS	3
18 #define ICE_DCBX_STATUS_DIS		7
19 
20 #define ICE_TLV_TYPE_END		0
21 #define ICE_TLV_TYPE_ORG		127
22 
23 #define ICE_IEEE_8021QAZ_OUI		0x0080C2
24 #define ICE_IEEE_SUBTYPE_ETS_CFG	9
25 #define ICE_IEEE_SUBTYPE_ETS_REC	10
26 #define ICE_IEEE_SUBTYPE_PFC_CFG	11
27 #define ICE_IEEE_SUBTYPE_APP_PRI	12
28 
29 #define ICE_CEE_DCBX_OUI		0x001B21
30 #define ICE_CEE_DCBX_TYPE		2
31 
32 #define ICE_CEE_SUBTYPE_CTRL		1
33 #define ICE_CEE_SUBTYPE_PG_CFG		2
34 #define ICE_CEE_SUBTYPE_PFC_CFG		3
35 #define ICE_CEE_SUBTYPE_APP_PRI		4
36 
37 #define ICE_CEE_MAX_FEAT_TYPE		3
38 #define ICE_LLDP_ADMINSTATUS_DIS	0
39 #define ICE_LLDP_ADMINSTATUS_ENA_RX	1
40 #define ICE_LLDP_ADMINSTATUS_ENA_TX	2
41 #define ICE_LLDP_ADMINSTATUS_ENA_RXTX	3
42 
43 /* Defines for LLDP TLV header */
44 #define ICE_LLDP_TLV_LEN_S		0
45 #define ICE_LLDP_TLV_LEN_M		(0x01FF << ICE_LLDP_TLV_LEN_S)
46 #define ICE_LLDP_TLV_TYPE_S		9
47 #define ICE_LLDP_TLV_TYPE_M		(0x7F << ICE_LLDP_TLV_TYPE_S)
48 #define ICE_LLDP_TLV_SUBTYPE_S		0
49 #define ICE_LLDP_TLV_SUBTYPE_M		(0xFF << ICE_LLDP_TLV_SUBTYPE_S)
50 #define ICE_LLDP_TLV_OUI_S		8
51 #define ICE_LLDP_TLV_OUI_M		(0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
52 
53 /* Defines for IEEE ETS TLV */
54 #define ICE_IEEE_ETS_MAXTC_S	0
55 #define ICE_IEEE_ETS_MAXTC_M		(0x7 << ICE_IEEE_ETS_MAXTC_S)
56 #define ICE_IEEE_ETS_CBS_S		6
57 #define ICE_IEEE_ETS_CBS_M		BIT(ICE_IEEE_ETS_CBS_S)
58 #define ICE_IEEE_ETS_WILLING_S		7
59 #define ICE_IEEE_ETS_WILLING_M		BIT(ICE_IEEE_ETS_WILLING_S)
60 #define ICE_IEEE_ETS_PRIO_0_S		0
61 #define ICE_IEEE_ETS_PRIO_0_M		(0x7 << ICE_IEEE_ETS_PRIO_0_S)
62 #define ICE_IEEE_ETS_PRIO_1_S		4
63 #define ICE_IEEE_ETS_PRIO_1_M		(0x7 << ICE_IEEE_ETS_PRIO_1_S)
64 #define ICE_CEE_PGID_PRIO_0_S		0
65 #define ICE_CEE_PGID_PRIO_0_M		(0xF << ICE_CEE_PGID_PRIO_0_S)
66 #define ICE_CEE_PGID_PRIO_1_S		4
67 #define ICE_CEE_PGID_PRIO_1_M		(0xF << ICE_CEE_PGID_PRIO_1_S)
68 #define ICE_CEE_PGID_STRICT		15
69 
70 /* Defines for IEEE TSA types */
71 #define ICE_IEEE_TSA_STRICT		0
72 #define ICE_IEEE_TSA_CBS		1
73 #define ICE_IEEE_TSA_ETS		2
74 #define ICE_IEEE_TSA_VENDOR		255
75 
76 /* Defines for IEEE PFC TLV */
77 #define ICE_IEEE_PFC_CAP_S		0
78 #define ICE_IEEE_PFC_CAP_M		(0xF << ICE_IEEE_PFC_CAP_S)
79 #define ICE_IEEE_PFC_MBC_S		6
80 #define ICE_IEEE_PFC_MBC_M		BIT(ICE_IEEE_PFC_MBC_S)
81 #define ICE_IEEE_PFC_WILLING_S		7
82 #define ICE_IEEE_PFC_WILLING_M		BIT(ICE_IEEE_PFC_WILLING_S)
83 
84 /* Defines for IEEE APP TLV */
85 #define ICE_IEEE_APP_SEL_S		0
86 #define ICE_IEEE_APP_SEL_M		(0x7 << ICE_IEEE_APP_SEL_S)
87 #define ICE_IEEE_APP_PRIO_S		5
88 #define ICE_IEEE_APP_PRIO_M		(0x7 << ICE_IEEE_APP_PRIO_S)
89 
90 /* TLV definitions for preparing MIB */
91 #define ICE_TLV_ID_CHASSIS_ID		0
92 #define ICE_TLV_ID_PORT_ID		1
93 #define ICE_TLV_ID_TIME_TO_LIVE		2
94 #define ICE_IEEE_TLV_ID_ETS_CFG		3
95 #define ICE_IEEE_TLV_ID_ETS_REC		4
96 #define ICE_IEEE_TLV_ID_PFC_CFG		5
97 #define ICE_IEEE_TLV_ID_APP_PRI		6
98 #define ICE_TLV_ID_END_OF_LLDPPDU	7
99 #define ICE_TLV_ID_START		ICE_IEEE_TLV_ID_ETS_CFG
100 
101 #define ICE_IEEE_ETS_TLV_LEN		25
102 #define ICE_IEEE_PFC_TLV_LEN		6
103 #define ICE_IEEE_APP_TLV_LEN		11
104 
105 #pragma pack(1)
106 /* IEEE 802.1AB LLDP Organization specific TLV */
107 struct ice_lldp_org_tlv {
108 	__be16 typelen;
109 	__be32 ouisubtype;
110 	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
111 };
112 #pragma pack()
113 
114 struct ice_cee_tlv_hdr {
115 	__be16 typelen;
116 	u8 operver;
117 	u8 maxver;
118 };
119 
120 struct ice_cee_ctrl_tlv {
121 	struct ice_cee_tlv_hdr hdr;
122 	__be32 seqno;
123 	__be32 ackno;
124 };
125 
126 struct ice_cee_feat_tlv {
127 	struct ice_cee_tlv_hdr hdr;
128 	u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
129 #define ICE_CEE_FEAT_TLV_ENA_M		0x80
130 #define ICE_CEE_FEAT_TLV_WILLING_M	0x40
131 #define ICE_CEE_FEAT_TLV_ERR_M		0x20
132 	u8 subtype;
133 	u8 tlvinfo[STRUCT_HACK_VAR_LEN];
134 };
135 
136 #pragma pack(1)
137 struct ice_cee_app_prio {
138 	__be16 protocol;
139 	u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
140 #define ICE_CEE_APP_SELECTOR_M	0x03
141 	__be16 lower_oui;
142 	u8 prio_map;
143 };
144 #pragma pack()
145 
146 /* TODO: The below structures related LLDP/DCBX variables
147  * and statistics are defined but need to find how to get
148  * the required information from the Firmware to use them
149  */
150 
151 /* IEEE 802.1AB LLDP Agent Statistics */
152 struct ice_lldp_stats {
153 	u64 remtablelastchangetime;
154 	u64 remtableinserts;
155 	u64 remtabledeletes;
156 	u64 remtabledrops;
157 	u64 remtableageouts;
158 	u64 txframestotal;
159 	u64 rxframesdiscarded;
160 	u64 rxportframeerrors;
161 	u64 rxportframestotal;
162 	u64 rxporttlvsdiscardedtotal;
163 	u64 rxporttlvsunrecognizedtotal;
164 	u64 remtoomanyneighbors;
165 };
166 
167 /* IEEE 802.1Qaz DCBX variables */
168 struct ice_dcbx_variables {
169 	u32 defmaxtrafficclasses;
170 	u32 defprioritytcmapping;
171 	u32 deftcbandwidth;
172 	u32 deftsaassignment;
173 };
174 
175 enum ice_status
176 ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
177 		    u16 buf_size, u16 *local_len, u16 *remote_len,
178 		    struct ice_sq_cd *cd);
179 enum ice_status
180 ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
181 		       struct ice_aqc_get_cee_dcb_cfg_resp *buff,
182 		       struct ice_sq_cd *cd);
183 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
184 u8 ice_get_dcbx_status(struct ice_hw *hw);
185 enum ice_status
186 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
187 		   struct ice_dcbx_cfg *dcbcfg);
188 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
189 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
190 enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
191 void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg);
192 enum ice_status
193 ice_query_port_ets(struct ice_port_info *pi,
194 		   struct ice_aqc_port_ets_elem *buf, u16 buf_size,
195 		   struct ice_sq_cd *cmd_details);
196 enum ice_status
197 ice_aq_query_port_ets(struct ice_port_info *pi,
198 		      struct ice_aqc_port_ets_elem *buf, u16 buf_size,
199 		      struct ice_sq_cd *cd);
200 enum ice_status
201 ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
202 			    struct ice_aqc_port_ets_elem *buf);
203 enum ice_status
204 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
205 		 struct ice_sq_cd *cd);
206 enum ice_status
207 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
208 enum ice_status
209 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
210 		       bool *dcbx_agent_status, struct ice_sq_cd *cd);
211 enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
212 enum ice_status
213 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
214 			   struct ice_sq_cd *cd);
215 #endif /* _ICE_DCB_H_ */
216