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