1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2020 Intel Corporation 3 */ 4 5 #ifndef _I40E_DCB_H_ 6 #define _I40E_DCB_H_ 7 8 #include "i40e_type.h" 9 10 #define I40E_DCBX_OFFLOAD_DISABLED 0 11 #define I40E_DCBX_OFFLOAD_ENABLED 1 12 13 #define I40E_DCBX_STATUS_NOT_STARTED 0 14 #define I40E_DCBX_STATUS_IN_PROGRESS 1 15 #define I40E_DCBX_STATUS_DONE 2 16 #define I40E_DCBX_STATUS_MULTIPLE_PEERS 3 17 #define I40E_DCBX_STATUS_DISABLED 7 18 19 #define I40E_TLV_TYPE_END 0 20 #define I40E_TLV_TYPE_ORG 127 21 22 #define I40E_IEEE_8021QAZ_OUI 0x0080C2 23 #define I40E_IEEE_SUBTYPE_ETS_CFG 9 24 #define I40E_IEEE_SUBTYPE_ETS_REC 10 25 #define I40E_IEEE_SUBTYPE_PFC_CFG 11 26 #define I40E_IEEE_SUBTYPE_APP_PRI 12 27 28 #define I40E_CEE_DCBX_OUI 0x001b21 29 #define I40E_CEE_DCBX_TYPE 2 30 31 #define I40E_CEE_SUBTYPE_CTRL 1 32 #define I40E_CEE_SUBTYPE_PG_CFG 2 33 #define I40E_CEE_SUBTYPE_PFC_CFG 3 34 #define I40E_CEE_SUBTYPE_APP_PRI 4 35 36 #define I40E_CEE_MAX_FEAT_TYPE 3 37 #define I40E_LLDP_ADMINSTATUS_DISABLED 0 38 #define I40E_LLDP_ADMINSTATUS_ENABLED_RX 1 39 #define I40E_LLDP_ADMINSTATUS_ENABLED_TX 2 40 #define I40E_LLDP_ADMINSTATUS_ENABLED_RXTX 3 41 42 #define I40E_LLDP_CURRENT_STATUS_XL710_OFFSET 0x2B 43 #define I40E_LLDP_CURRENT_STATUS_X722_OFFSET 0x31 44 #define I40E_LLDP_CURRENT_STATUS_OFFSET 1 45 #define I40E_LLDP_CURRENT_STATUS_SIZE 1 46 47 /* Defines for LLDP TLV header */ 48 #define I40E_LLDP_MIB_HLEN 14 49 #define I40E_LLDP_TLV_LEN_SHIFT 0 50 #define I40E_LLDP_TLV_LEN_MASK (0x01FF << I40E_LLDP_TLV_LEN_SHIFT) 51 #define I40E_LLDP_TLV_TYPE_SHIFT 9 52 #define I40E_LLDP_TLV_TYPE_MASK (0x7F << I40E_LLDP_TLV_TYPE_SHIFT) 53 #define I40E_LLDP_TLV_SUBTYPE_SHIFT 0 54 #define I40E_LLDP_TLV_SUBTYPE_MASK (0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT) 55 #define I40E_LLDP_TLV_OUI_SHIFT 8 56 #define I40E_LLDP_TLV_OUI_MASK (0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT) 57 58 /* Defines for IEEE ETS TLV */ 59 #define I40E_IEEE_ETS_MAXTC_SHIFT 0 60 #define I40E_IEEE_ETS_MAXTC_MASK (0x7 << I40E_IEEE_ETS_MAXTC_SHIFT) 61 #define I40E_IEEE_ETS_CBS_SHIFT 6 62 #define I40E_IEEE_ETS_CBS_MASK BIT(I40E_IEEE_ETS_CBS_SHIFT) 63 #define I40E_IEEE_ETS_WILLING_SHIFT 7 64 #define I40E_IEEE_ETS_WILLING_MASK BIT(I40E_IEEE_ETS_WILLING_SHIFT) 65 #define I40E_IEEE_ETS_PRIO_0_SHIFT 0 66 #define I40E_IEEE_ETS_PRIO_0_MASK (0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT) 67 #define I40E_IEEE_ETS_PRIO_1_SHIFT 4 68 #define I40E_IEEE_ETS_PRIO_1_MASK (0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT) 69 #define I40E_CEE_PGID_PRIO_0_SHIFT 0 70 #define I40E_CEE_PGID_PRIO_0_MASK (0xF << I40E_CEE_PGID_PRIO_0_SHIFT) 71 #define I40E_CEE_PGID_PRIO_1_SHIFT 4 72 #define I40E_CEE_PGID_PRIO_1_MASK (0xF << I40E_CEE_PGID_PRIO_1_SHIFT) 73 #define I40E_CEE_PGID_STRICT 15 74 75 /* Defines for IEEE TSA types */ 76 #define I40E_IEEE_TSA_STRICT 0 77 #define I40E_IEEE_TSA_CBS 1 78 #define I40E_IEEE_TSA_ETS 2 79 #define I40E_IEEE_TSA_VENDOR 255 80 81 /* Defines for IEEE PFC TLV */ 82 #define I40E_IEEE_PFC_CAP_SHIFT 0 83 #define I40E_IEEE_PFC_CAP_MASK (0xF << I40E_IEEE_PFC_CAP_SHIFT) 84 #define I40E_IEEE_PFC_MBC_SHIFT 6 85 #define I40E_IEEE_PFC_MBC_MASK BIT(I40E_IEEE_PFC_MBC_SHIFT) 86 #define I40E_IEEE_PFC_WILLING_SHIFT 7 87 #define I40E_IEEE_PFC_WILLING_MASK BIT(I40E_IEEE_PFC_WILLING_SHIFT) 88 89 /* Defines for IEEE APP TLV */ 90 #define I40E_IEEE_APP_SEL_SHIFT 0 91 #define I40E_IEEE_APP_SEL_MASK (0x7 << I40E_IEEE_APP_SEL_SHIFT) 92 #define I40E_IEEE_APP_PRIO_SHIFT 5 93 #define I40E_IEEE_APP_PRIO_MASK (0x7 << I40E_IEEE_APP_PRIO_SHIFT) 94 95 /* TLV definitions for preparing MIB */ 96 #define I40E_TLV_ID_CHASSIS_ID 0 97 #define I40E_TLV_ID_PORT_ID 1 98 #define I40E_TLV_ID_TIME_TO_LIVE 2 99 #define I40E_IEEE_TLV_ID_ETS_CFG 3 100 #define I40E_IEEE_TLV_ID_ETS_REC 4 101 #define I40E_IEEE_TLV_ID_PFC_CFG 5 102 #define I40E_IEEE_TLV_ID_APP_PRI 6 103 #define I40E_TLV_ID_END_OF_LLDPPDU 7 104 #define I40E_TLV_ID_START I40E_IEEE_TLV_ID_ETS_CFG 105 106 #define I40E_IEEE_ETS_TLV_LENGTH 25 107 #define I40E_IEEE_PFC_TLV_LENGTH 6 108 #define I40E_IEEE_APP_TLV_LENGTH 11 109 110 #pragma pack(1) 111 112 /* IEEE 802.1AB LLDP TLV structure */ 113 struct i40e_lldp_generic_tlv { 114 __be16 typelength; 115 u8 tlvinfo[1]; 116 }; 117 118 /* IEEE 802.1AB LLDP Organization specific TLV */ 119 struct i40e_lldp_org_tlv { 120 __be16 typelength; 121 __be32 ouisubtype; 122 u8 tlvinfo[1]; 123 }; 124 125 struct i40e_cee_tlv_hdr { 126 __be16 typelen; 127 u8 operver; 128 u8 maxver; 129 }; 130 131 struct i40e_cee_ctrl_tlv { 132 struct i40e_cee_tlv_hdr hdr; 133 __be32 seqno; 134 __be32 ackno; 135 }; 136 137 struct i40e_cee_feat_tlv { 138 struct i40e_cee_tlv_hdr hdr; 139 u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */ 140 #define I40E_CEE_FEAT_TLV_ENABLE_MASK 0x80 141 #define I40E_CEE_FEAT_TLV_WILLING_MASK 0x40 142 #define I40E_CEE_FEAT_TLV_ERR_MASK 0x20 143 u8 subtype; 144 u8 tlvinfo[1]; 145 }; 146 147 struct i40e_cee_app_prio { 148 __be16 protocol; 149 u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */ 150 #define I40E_CEE_APP_SELECTOR_MASK 0x03 151 __be16 lower_oui; 152 u8 prio_map; 153 }; 154 #pragma pack() 155 156 /* 157 * TODO: The below structures related LLDP/DCBX variables 158 * and statistics are defined but need to find how to get 159 * the required information from the Firmware to use them 160 */ 161 162 /* IEEE 802.1AB LLDP Agent Statistics */ 163 struct i40e_lldp_stats { 164 u64 remtablelastchangetime; 165 u64 remtableinserts; 166 u64 remtabledeletes; 167 u64 remtabledrops; 168 u64 remtableageouts; 169 u64 txframestotal; 170 u64 rxframesdiscarded; 171 u64 rxportframeerrors; 172 u64 rxportframestotal; 173 u64 rxporttlvsdiscardedtotal; 174 u64 rxporttlvsunrecognizedtotal; 175 u64 remtoomanyneighbors; 176 }; 177 178 /* IEEE 802.1Qaz DCBX variables */ 179 struct i40e_dcbx_variables { 180 u32 defmaxtrafficclasses; 181 u32 defprioritytcmapping; 182 u32 deftcbandwidth; 183 u32 deftsaassignment; 184 }; 185 186 187 enum i40e_get_fw_lldp_status_resp { 188 I40E_GET_FW_LLDP_STATUS_DISABLED = 0, 189 I40E_GET_FW_LLDP_STATUS_ENABLED = 1 190 }; 191 192 enum i40e_status_code i40e_get_dcbx_status(struct i40e_hw *hw, 193 u16 *status); 194 enum i40e_status_code i40e_lldp_to_dcb_config(u8 *lldpmib, 195 struct i40e_dcbx_config *dcbcfg); 196 enum i40e_status_code i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, 197 u8 bridgetype, 198 struct i40e_dcbx_config *dcbcfg); 199 enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw); 200 enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw, 201 bool enable_mib_change); 202 enum i40e_status_code 203 i40e_get_fw_lldp_status(struct i40e_hw *hw, 204 enum i40e_get_fw_lldp_status_resp *lldp_status); 205 enum i40e_status_code i40e_set_dcb_config(struct i40e_hw *hw); 206 enum i40e_status_code i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen, 207 struct i40e_dcbx_config *dcbcfg); 208 #endif /* _I40E_DCB_H_ */ 209