drivers/net/ice/base/ice_dcb.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2021 Intel Corporation
   3  */
   4
   5 #ifndef _ICE_DCB_H_
   6 #define _ICE_DCB_H_
   7
   8 #include "ice_type.h"
   9 #include "ice_common.h"
  10
  11 #define ICE_DCBX_OFFLOAD_DIS            0
  12 #define ICE_DCBX_OFFLOAD_ENABLED        1
  13
  14 #define ICE_DCBX_STATUS_NOT_STARTED     0
  15 #define ICE_DCBX_STATUS_IN_PROGRESS     1
  16 #define ICE_DCBX_STATUS_DONE            2
  17 #define ICE_DCBX_STATUS_MULTIPLE_PEERS  3
  18 #define ICE_DCBX_STATUS_DIS             7
  19
  20 #define ICE_TLV_TYPE_END                0
  21 #define ICE_TLV_TYPE_ORG                127
  22
  23 #define ICE_IEEE_8021QAZ_OUI            0x0080C2
  24 #define ICE_IEEE_SUBTYPE_ETS_CFG        9
  25 #define ICE_IEEE_SUBTYPE_ETS_REC        10
  26 #define ICE_IEEE_SUBTYPE_PFC_CFG        11
  27 #define ICE_IEEE_SUBTYPE_APP_PRI        12
  28
  29 #define ICE_CEE_DCBX_OUI                0x001B21
  30 #define ICE_CEE_DCBX_TYPE               2
  31
  32 #define ICE_DSCP_OUI                    0xFFFFFF
  33 #define ICE_DSCP_SUBTYPE_DSCP2UP        0x41
  34 #define ICE_DSCP_SUBTYPE_ENFORCE        0x42
  35 #define ICE_DSCP_SUBTYPE_TCBW           0x43
  36 #define ICE_DSCP_SUBTYPE_PFC            0x44
  37 #define ICE_DSCP_IPV6_OFFSET            80
  38
  39 #define ICE_CEE_SUBTYPE_CTRL            1
  40 #define ICE_CEE_SUBTYPE_PG_CFG          2
  41 #define ICE_CEE_SUBTYPE_PFC_CFG         3
  42 #define ICE_CEE_SUBTYPE_APP_PRI         4
  43
  44 #define ICE_CEE_MAX_FEAT_TYPE           3
  45 #define ICE_LLDP_ADMINSTATUS_DIS        0
  46 #define ICE_LLDP_ADMINSTATUS_ENA_RX     1
  47 #define ICE_LLDP_ADMINSTATUS_ENA_TX     2
  48 #define ICE_LLDP_ADMINSTATUS_ENA_RXTX   3
  49
  50 /* Defines for LLDP TLV header */
  51 #define ICE_LLDP_TLV_LEN_S              0
  52 #define ICE_LLDP_TLV_LEN_M              (0x01FF << ICE_LLDP_TLV_LEN_S)
  53 #define ICE_LLDP_TLV_TYPE_S             9
  54 #define ICE_LLDP_TLV_TYPE_M             (0x7F << ICE_LLDP_TLV_TYPE_S)
  55 #define ICE_LLDP_TLV_SUBTYPE_S          0
  56 #define ICE_LLDP_TLV_SUBTYPE_M          (0xFF << ICE_LLDP_TLV_SUBTYPE_S)
  57 #define ICE_LLDP_TLV_OUI_S              8
  58 #define ICE_LLDP_TLV_OUI_M              (0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
  59
  60 /* Defines for IEEE ETS TLV */
  61 #define ICE_IEEE_ETS_MAXTC_S    0
  62 #define ICE_IEEE_ETS_MAXTC_M            (0x7 << ICE_IEEE_ETS_MAXTC_S)
  63 #define ICE_IEEE_ETS_CBS_S              6
  64 #define ICE_IEEE_ETS_CBS_M              BIT(ICE_IEEE_ETS_CBS_S)
  65 #define ICE_IEEE_ETS_WILLING_S          7
  66 #define ICE_IEEE_ETS_WILLING_M          BIT(ICE_IEEE_ETS_WILLING_S)
  67 #define ICE_IEEE_ETS_PRIO_0_S           0
  68 #define ICE_IEEE_ETS_PRIO_0_M           (0x7 << ICE_IEEE_ETS_PRIO_0_S)
  69 #define ICE_IEEE_ETS_PRIO_1_S           4
  70 #define ICE_IEEE_ETS_PRIO_1_M           (0x7 << ICE_IEEE_ETS_PRIO_1_S)
  71 #define ICE_CEE_PGID_PRIO_0_S           0
  72 #define ICE_CEE_PGID_PRIO_0_M           (0xF << ICE_CEE_PGID_PRIO_0_S)
  73 #define ICE_CEE_PGID_PRIO_1_S           4
  74 #define ICE_CEE_PGID_PRIO_1_M           (0xF << ICE_CEE_PGID_PRIO_1_S)
  75 #define ICE_CEE_PGID_STRICT             15
  76
  77 /* Defines for IEEE TSA types */
  78 #define ICE_IEEE_TSA_STRICT             0
  79 #define ICE_IEEE_TSA_CBS                1
  80 #define ICE_IEEE_TSA_ETS                2
  81 #define ICE_IEEE_TSA_VENDOR             255
  82
  83 /* Defines for IEEE PFC TLV */
  84 #define ICE_IEEE_PFC_CAP_S              0
  85 #define ICE_IEEE_PFC_CAP_M              (0xF << ICE_IEEE_PFC_CAP_S)
  86 #define ICE_IEEE_PFC_MBC_S              6
  87 #define ICE_IEEE_PFC_MBC_M              BIT(ICE_IEEE_PFC_MBC_S)
  88 #define ICE_IEEE_PFC_WILLING_S          7
  89 #define ICE_IEEE_PFC_WILLING_M          BIT(ICE_IEEE_PFC_WILLING_S)
  90
  91 /* Defines for IEEE APP TLV */
  92 #define ICE_IEEE_APP_SEL_S              0
  93 #define ICE_IEEE_APP_SEL_M              (0x7 << ICE_IEEE_APP_SEL_S)
  94 #define ICE_IEEE_APP_PRIO_S             5
  95 #define ICE_IEEE_APP_PRIO_M             (0x7 << ICE_IEEE_APP_PRIO_S)
  96
  97 /* TLV definitions for preparing MIB */
  98 #define ICE_TLV_ID_CHASSIS_ID           0
  99 #define ICE_TLV_ID_PORT_ID              1
 100 #define ICE_TLV_ID_TIME_TO_LIVE         2
 101 #define ICE_IEEE_TLV_ID_ETS_CFG         3
 102 #define ICE_IEEE_TLV_ID_ETS_REC         4
 103 #define ICE_IEEE_TLV_ID_PFC_CFG         5
 104 #define ICE_IEEE_TLV_ID_APP_PRI         6
 105 #define ICE_TLV_ID_END_OF_LLDPPDU       7
 106 #define ICE_TLV_ID_START                ICE_IEEE_TLV_ID_ETS_CFG
 107 #define ICE_TLV_ID_DSCP_UP              3
 108 #define ICE_TLV_ID_DSCP_ENF             4
 109 #define ICE_TLV_ID_DSCP_TC_BW           5
 110 #define ICE_TLV_ID_DSCP_TO_PFC          6
 111
 112 #define ICE_IEEE_ETS_TLV_LEN            25
 113 #define ICE_IEEE_PFC_TLV_LEN            6
 114 #define ICE_IEEE_APP_TLV_LEN            11
 115
 116 #define ICE_DSCP_UP_TLV_LEN             148
 117 #define ICE_DSCP_ENF_TLV_LEN            132
 118 #define ICE_DSCP_TC_BW_TLV_LEN          25
 119 #define ICE_DSCP_PFC_TLV_LEN            6
 120
 121 #pragma pack(1)
 122 /* IEEE 802.1AB LLDP Organization specific TLV */
 123 struct ice_lldp_org_tlv {
 124         __be16 typelen;
 125         __be32 ouisubtype;
 126         u8 tlvinfo[STRUCT_HACK_VAR_LEN];
 127 };
 128 #pragma pack()
 129
 130 struct ice_cee_tlv_hdr {
 131         __be16 typelen;
 132         u8 operver;
 133         u8 maxver;
 134 };
 135
 136 struct ice_cee_ctrl_tlv {
 137         struct ice_cee_tlv_hdr hdr;
 138         __be32 seqno;
 139         __be32 ackno;
 140 };
 141
 142 struct ice_cee_feat_tlv {
 143         struct ice_cee_tlv_hdr hdr;
 144         u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
 145 #define ICE_CEE_FEAT_TLV_ENA_M          0x80
 146 #define ICE_CEE_FEAT_TLV_WILLING_M      0x40
 147 #define ICE_CEE_FEAT_TLV_ERR_M          0x20
 148         u8 subtype;
 149         u8 tlvinfo[STRUCT_HACK_VAR_LEN];
 150 };
 151
 152 #pragma pack(1)
 153 struct ice_cee_app_prio {
 154         __be16 protocol;
 155         u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
 156 #define ICE_CEE_APP_SELECTOR_M  0x03
 157         __be16 lower_oui;
 158         u8 prio_map;
 159 };
 160 #pragma pack()
 161
 162 /* TODO: The below structures related LLDP/DCBX variables
 163  * and statistics are defined but need to find how to get
 164  * the required information from the Firmware to use them
 165  */
 166
 167 /* IEEE 802.1AB LLDP Agent Statistics */
 168 struct ice_lldp_stats {
 169         u64 remtablelastchangetime;
 170         u64 remtableinserts;
 171         u64 remtabledeletes;
 172         u64 remtabledrops;
 173         u64 remtableageouts;
 174         u64 txframestotal;
 175         u64 rxframesdiscarded;
 176         u64 rxportframeerrors;
 177         u64 rxportframestotal;
 178         u64 rxporttlvsdiscardedtotal;
 179         u64 rxporttlvsunrecognizedtotal;
 180         u64 remtoomanyneighbors;
 181 };
 182
 183 /* IEEE 802.1Qaz DCBX variables */
 184 struct ice_dcbx_variables {
 185         u32 defmaxtrafficclasses;
 186         u32 defprioritytcmapping;
 187         u32 deftcbandwidth;
 188         u32 deftsaassignment;
 189 };
 190
 191 enum ice_status
 192 ice_aq_get_lldp_mib(struct ice_hw *hw, u8 bridge_type, u8 mib_type, void *buf,
 193                     u16 buf_size, u16 *local_len, u16 *remote_len,
 194                     struct ice_sq_cd *cd);
 195 enum ice_status
 196 ice_aq_get_cee_dcb_cfg(struct ice_hw *hw,
 197                        struct ice_aqc_get_cee_dcb_cfg_resp *buff,
 198                        struct ice_sq_cd *cd);
 199 enum ice_status
 200 ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd);
 201 enum ice_status ice_lldp_to_dcb_cfg(u8 *lldpmib, struct ice_dcbx_cfg *dcbcfg);
 202 u8 ice_get_dcbx_status(struct ice_hw *hw);
 203 enum ice_status
 204 ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
 205                    struct ice_dcbx_cfg *dcbcfg);
 206 enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
 207 enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
 208 enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
 209 void ice_dcb_cfg_to_lldp(u8 *lldpmib, u16 *miblen, struct ice_dcbx_cfg *dcbcfg);
 210 enum ice_status
 211 ice_query_port_ets(struct ice_port_info *pi,
 212                    struct ice_aqc_port_ets_elem *buf, u16 buf_size,
 213                    struct ice_sq_cd *cmd_details);
 214 enum ice_status
 215 ice_aq_query_port_ets(struct ice_port_info *pi,
 216                       struct ice_aqc_port_ets_elem *buf, u16 buf_size,
 217                       struct ice_sq_cd *cd);
 218 enum ice_status
 219 ice_update_port_tc_tree_cfg(struct ice_port_info *pi,
 220                             struct ice_aqc_port_ets_elem *buf);
 221 enum ice_status
 222 ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
 223                  struct ice_sq_cd *cd);
 224 enum ice_status
 225 ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
 226 enum ice_status
 227 ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
 228                        bool *dcbx_agent_status, struct ice_sq_cd *cd);
 229 enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
 230 enum ice_status
 231 ice_aq_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_update,
 232                            struct ice_sq_cd *cd);
 233 #endif /* _ICE_DCB_H_ */