drivers/net/qede/base/ecore_dcbx_api.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (c) 2016 - 2018 Cavium Inc.
   3  * All rights reserved.
   4  * www.cavium.com
   5  */
   6
   7 #ifndef __ECORE_DCBX_API_H__
   8 #define __ECORE_DCBX_API_H__
   9
  10 #include "ecore_status.h"
  11
  12 #define DCBX_CONFIG_MAX_APP_PROTOCOL    4
  13
  14 enum ecore_mib_read_type {
  15         ECORE_DCBX_OPERATIONAL_MIB,
  16         ECORE_DCBX_REMOTE_MIB,
  17         ECORE_DCBX_LOCAL_MIB,
  18         ECORE_DCBX_REMOTE_LLDP_MIB,
  19         ECORE_DCBX_LOCAL_LLDP_MIB,
  20         ECORE_DCBX_LLDP_TLVS
  21 };
  22
  23 struct ecore_dcbx_app_data {
  24         bool enable;            /* DCB enabled */
  25         u8 update;              /* Update indication */
  26         u8 priority;            /* Priority */
  27         u8 tc;                  /* Traffic Class */
  28         bool dscp_enable;       /* DSCP enabled */
  29         u8 dscp_val;            /* DSCP value */
  30         bool dont_add_vlan0;    /* Do not insert a vlan tag with id 0 */
  31 };
  32
  33 #ifndef __EXTRACT__LINUX__
  34 enum dcbx_protocol_type {
  35         DCBX_PROTOCOL_ISCSI,
  36         DCBX_PROTOCOL_FCOE,
  37         DCBX_PROTOCOL_ROCE,
  38         DCBX_PROTOCOL_ROCE_V2,
  39         DCBX_PROTOCOL_ETH,
  40         DCBX_PROTOCOL_IWARP,
  41         DCBX_MAX_PROTOCOL_TYPE
  42 };
  43
  44 #define ECORE_LLDP_CHASSIS_ID_STAT_LEN 4
  45 #define ECORE_LLDP_PORT_ID_STAT_LEN 4
  46 #define ECORE_DCBX_MAX_APP_PROTOCOL 32
  47 #define ECORE_MAX_PFC_PRIORITIES 8
  48 #define ECORE_DCBX_DSCP_SIZE 64
  49
  50 struct ecore_dcbx_lldp_remote {
  51         u32     peer_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
  52         u32     peer_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
  53         bool    enable_rx;
  54         bool    enable_tx;
  55         u32     tx_interval;
  56         u32     max_credit;
  57 };
  58
  59 struct ecore_dcbx_lldp_local {
  60         u32     local_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
  61         u32     local_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
  62 };
  63
  64 struct ecore_dcbx_app_prio {
  65         u8      roce;
  66         u8      roce_v2;
  67         u8      fcoe;
  68         u8      iscsi;
  69         u8      eth;
  70 };
  71
  72 struct ecore_dbcx_pfc_params {
  73         bool    willing;
  74         bool    enabled;
  75         u8      prio[ECORE_MAX_PFC_PRIORITIES];
  76         u8      max_tc;
  77 };
  78
  79 enum ecore_dcbx_sf_ieee_type {
  80         ECORE_DCBX_SF_IEEE_ETHTYPE,
  81         ECORE_DCBX_SF_IEEE_TCP_PORT,
  82         ECORE_DCBX_SF_IEEE_UDP_PORT,
  83         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT
  84 };
  85
  86 struct ecore_app_entry {
  87         bool ethtype;
  88         enum ecore_dcbx_sf_ieee_type sf_ieee;
  89         bool enabled;
  90         u8 prio;
  91         u16 proto_id;
  92         enum dcbx_protocol_type proto_type;
  93 };
  94
  95 struct ecore_dcbx_params {
  96         struct ecore_app_entry app_entry[ECORE_DCBX_MAX_APP_PROTOCOL];
  97         u16     num_app_entries;
  98         bool    app_willing;
  99         bool    app_valid;
 100         bool    app_error;
 101         bool    ets_willing;
 102         bool    ets_enabled;
 103         bool    ets_cbs;
 104         u8      ets_pri_tc_tbl[ECORE_MAX_PFC_PRIORITIES];
 105         u8      ets_tc_bw_tbl[ECORE_MAX_PFC_PRIORITIES];
 106         u8      ets_tc_tsa_tbl[ECORE_MAX_PFC_PRIORITIES];
 107         struct ecore_dbcx_pfc_params pfc;
 108         u8      max_ets_tc;
 109 };
 110
 111 struct ecore_dcbx_admin_params {
 112         struct ecore_dcbx_params params;
 113         bool valid;             /* Indicate validity of params */
 114 };
 115
 116 struct ecore_dcbx_remote_params {
 117         struct ecore_dcbx_params params;
 118         bool valid;             /* Indicate validity of params */
 119 };
 120
 121 struct ecore_dcbx_operational_params {
 122         struct ecore_dcbx_app_prio app_prio;
 123         struct ecore_dcbx_params params;
 124         bool valid;             /* Indicate validity of params */
 125         bool enabled;
 126         bool ieee;
 127         bool cee;
 128         bool local;
 129         u32 err;
 130 };
 131
 132 struct ecore_dcbx_dscp_params {
 133         bool enabled;
 134         u8 dscp_pri_map[ECORE_DCBX_DSCP_SIZE];
 135 };
 136
 137 struct ecore_dcbx_get {
 138         struct ecore_dcbx_operational_params operational;
 139         struct ecore_dcbx_lldp_remote lldp_remote;
 140         struct ecore_dcbx_lldp_local lldp_local;
 141         struct ecore_dcbx_remote_params remote;
 142         struct ecore_dcbx_admin_params local;
 143         struct ecore_dcbx_dscp_params dscp;
 144 };
 145 #endif
 146
 147 #define ECORE_DCBX_VERSION_DISABLED     0
 148 #define ECORE_DCBX_VERSION_IEEE         1
 149 #define ECORE_DCBX_VERSION_CEE          2
 150 #define ECORE_DCBX_VERSION_DYNAMIC      3
 151
 152 struct ecore_dcbx_set {
 153 #define ECORE_DCBX_OVERRIDE_STATE       (1 << 0)
 154 #define ECORE_DCBX_OVERRIDE_PFC_CFG     (1 << 1)
 155 #define ECORE_DCBX_OVERRIDE_ETS_CFG     (1 << 2)
 156 #define ECORE_DCBX_OVERRIDE_APP_CFG     (1 << 3)
 157 #define ECORE_DCBX_OVERRIDE_DSCP_CFG    (1 << 4)
 158         u32 override_flags;
 159         bool enabled;
 160         struct ecore_dcbx_admin_params config;
 161         u32 ver_num;
 162         struct ecore_dcbx_dscp_params dscp;
 163 };
 164
 165 struct ecore_dcbx_results {
 166         bool dcbx_enabled;
 167         u8 pf_id;
 168         struct ecore_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
 169 };
 170
 171 struct ecore_dcbx_app_metadata {
 172         enum dcbx_protocol_type id;
 173         const char *name; /* @DPDK */
 174         enum ecore_pci_personality personality;
 175 };
 176
 177 enum ecore_lldp_agent {
 178         ECORE_LLDP_NEAREST_BRIDGE = 0,
 179         ECORE_LLDP_NEAREST_NON_TPMR_BRIDGE,
 180         ECORE_LLDP_NEAREST_CUSTOMER_BRIDGE,
 181         ECORE_LLDP_MAX_AGENTS
 182 };
 183
 184 struct ecore_lldp_config_params {
 185         enum ecore_lldp_agent agent;
 186         u8 tx_interval;
 187         u8 tx_hold;
 188         u8 tx_credit;
 189         bool rx_enable;
 190         bool tx_enable;
 191         u32 chassis_id_tlv[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
 192         u32 port_id_tlv[ECORE_LLDP_PORT_ID_STAT_LEN];
 193 };
 194
 195 #define ECORE_LLDP_SYS_TLV_SIZE 256
 196 struct ecore_lldp_sys_tlvs {
 197         bool discard_mandatory_tlv;
 198         u8 buf[ECORE_LLDP_SYS_TLV_SIZE];
 199         u16 buf_size;
 200 };
 201
 202 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *,
 203                                              struct ecore_dcbx_get *,
 204                                              enum ecore_mib_read_type);
 205
 206 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *,
 207                                                   struct ecore_dcbx_set *);
 208
 209 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *,
 210                                               struct ecore_ptt *,
 211                                               struct ecore_dcbx_set *,
 212                                               bool);
 213
 214 enum _ecore_status_t ecore_lldp_register_tlv(struct ecore_hwfn *p_hwfn,
 215                                              struct ecore_ptt *p_ptt,
 216                                              enum ecore_lldp_agent agent,
 217                                              u8 tlv_type);
 218
 219 enum _ecore_status_t
 220 ecore_lldp_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 221                       struct ecore_lldp_config_params *p_params);
 222
 223 enum _ecore_status_t
 224 ecore_lldp_set_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 225                       struct ecore_lldp_config_params *p_params);
 226
 227 enum _ecore_status_t
 228 ecore_lldp_set_system_tlvs(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 229                            struct ecore_lldp_sys_tlvs *p_params);
 230
 231 /* Returns priority value for a given dscp index */
 232 enum _ecore_status_t
 233 ecore_dcbx_get_dscp_priority(struct ecore_hwfn *p_hwfn,
 234                              u8 dscp_index, u8 *p_dscp_pri);
 235
 236 /* Sets priority value for a given dscp index */
 237 enum _ecore_status_t
 238 ecore_dcbx_set_dscp_priority(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 239                              u8 dscp_index, u8 pri_val);
 240
 241 static const struct ecore_dcbx_app_metadata ecore_dcbx_app_update[] = {
 242         {DCBX_PROTOCOL_ISCSI, "ISCSI", ECORE_PCI_ISCSI},
 243         {DCBX_PROTOCOL_FCOE, "FCOE", ECORE_PCI_FCOE},
 244         {DCBX_PROTOCOL_ROCE, "ROCE", ECORE_PCI_ETH_ROCE},
 245         {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", ECORE_PCI_ETH_ROCE},
 246         {DCBX_PROTOCOL_ETH, "ETH", ECORE_PCI_ETH},
 247         {DCBX_PROTOCOL_IWARP, "IWARP", ECORE_PCI_ETH_IWARP}
 248 };
 249
 250 #endif /* __ECORE_DCBX_API_H__ */