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[1]; 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[1]; 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 u8 ice_get_dcbx_status(struct ice_hw *hw); 124 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg); 125 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi); 126 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi); 127 enum ice_status ice_init_dcb(struct ice_hw *hw); 128 enum ice_status 129 ice_query_port_ets(struct ice_port_info *pi, 130 struct ice_aqc_port_ets_elem *buf, u16 buf_size, 131 struct ice_sq_cd *cmd_details); 132 #ifdef CONFIG_DCB 133 enum ice_status 134 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, 135 struct ice_sq_cd *cd); 136 enum ice_status ice_aq_start_lldp(struct ice_hw *hw, struct ice_sq_cd *cd); 137 enum ice_status 138 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent, 139 bool *dcbx_agent_status, struct ice_sq_cd *cd); 140 enum ice_status 141 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update, 142 struct ice_sq_cd *cd); 143 #else /* CONFIG_DCB */ 144 static inline enum ice_status 145 ice_aq_stop_lldp(struct ice_hw __always_unused *hw, 146 bool __always_unused shutdown_lldp_agent, 147 struct ice_sq_cd __always_unused *cd) 148 { 149 return 0; 150 } 151 152 static inline enum ice_status 153 ice_aq_start_lldp(struct ice_hw __always_unused *hw, 154 struct ice_sq_cd __always_unused *cd) 155 { 156 return 0; 157 } 158 159 static inline enum ice_status 160 ice_aq_start_stop_dcbx(struct ice_hw __always_unused *hw, 161 bool __always_unused start_dcbx_agent, 162 bool *dcbx_agent_status, 163 struct ice_sq_cd __always_unused *cd) 164 { 165 *dcbx_agent_status = false; 166 167 return 0; 168 } 169 170 static inline enum ice_status 171 ice_aq_cfg_lldp_mib_change(struct ice_hw __always_unused *hw, 172 bool __always_unused ena_update, 173 struct ice_sq_cd __always_unused *cd) 174 { 175 return 0; 176 } 177 178 #endif /* CONFIG_DCB */ 179 #endif /* _ICE_DCB_H_ */ 180