drivers/net/ethernet/intel/ice/ice_dcb.h

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