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