drivers/net/qede/base/ecore_dcbx_api.h

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #ifndef __ECORE_DCBX_API_H__
  10 #define __ECORE_DCBX_API_H__
  11
  12 #include "ecore_status.h"
  13
  14 #define DCBX_CONFIG_MAX_APP_PROTOCOL    4
  15
  16 enum ecore_mib_read_type {
  17         ECORE_DCBX_OPERATIONAL_MIB,
  18         ECORE_DCBX_REMOTE_MIB,
  19         ECORE_DCBX_LOCAL_MIB,
  20         ECORE_DCBX_REMOTE_LLDP_MIB,
  21         ECORE_DCBX_LOCAL_LLDP_MIB
  22 };
  23
  24 struct ecore_dcbx_app_data {
  25         bool enable;            /* DCB enabled */
  26         u8 update;              /* Update indication */
  27         u8 priority;            /* Priority */
  28         u8 tc;                  /* Traffic Class */
  29         bool dscp_enable;       /* DSCP enabled */
  30         u8 dscp_val;            /* DSCP value */
  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_MAX_PROTOCOL_TYPE
  41 };
  42
  43 #define ECORE_LLDP_CHASSIS_ID_STAT_LEN 4
  44 #define ECORE_LLDP_PORT_ID_STAT_LEN 4
  45 #define ECORE_DCBX_MAX_APP_PROTOCOL 32
  46 #define ECORE_MAX_PFC_PRIORITIES 8
  47 #define ECORE_DCBX_DSCP_SIZE 64
  48
  49 struct ecore_dcbx_lldp_remote {
  50         u32     peer_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
  51         u32     peer_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
  52         bool    enable_rx;
  53         bool    enable_tx;
  54         u32     tx_interval;
  55         u32     max_credit;
  56 };
  57
  58 struct ecore_dcbx_lldp_local {
  59         u32     local_chassis_id[ECORE_LLDP_CHASSIS_ID_STAT_LEN];
  60         u32     local_port_id[ECORE_LLDP_PORT_ID_STAT_LEN];
  61 };
  62
  63 struct ecore_dcbx_app_prio {
  64         u8      roce;
  65         u8      roce_v2;
  66         u8      fcoe;
  67         u8      iscsi;
  68         u8      eth;
  69 };
  70
  71 struct ecore_dbcx_pfc_params {
  72         bool    willing;
  73         bool    enabled;
  74         u8      prio[ECORE_MAX_PFC_PRIORITIES];
  75         u8      max_tc;
  76 };
  77
  78 enum ecore_dcbx_sf_ieee_type {
  79         ECORE_DCBX_SF_IEEE_ETHTYPE,
  80         ECORE_DCBX_SF_IEEE_TCP_PORT,
  81         ECORE_DCBX_SF_IEEE_UDP_PORT,
  82         ECORE_DCBX_SF_IEEE_TCP_UDP_PORT
  83 };
  84
  85 struct ecore_app_entry {
  86         bool ethtype;
  87         enum ecore_dcbx_sf_ieee_type sf_ieee;
  88         bool enabled;
  89         u8 prio;
  90         u16 proto_id;
  91         enum dcbx_protocol_type proto_type;
  92 };
  93
  94 struct ecore_dcbx_params {
  95         struct ecore_app_entry app_entry[ECORE_DCBX_MAX_APP_PROTOCOL];
  96         u16     num_app_entries;
  97         bool    app_willing;
  98         bool    app_valid;
  99         bool    app_error;
 100         bool    ets_willing;
 101         bool    ets_enabled;
 102         bool    ets_cbs;
 103         bool    valid;          /* Indicate validity of params */
 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
 151 struct ecore_dcbx_set {
 152 #define ECORE_DCBX_OVERRIDE_STATE       (1 << 0)
 153 #define ECORE_DCBX_OVERRIDE_PFC_CFG     (1 << 1)
 154 #define ECORE_DCBX_OVERRIDE_ETS_CFG     (1 << 2)
 155 #define ECORE_DCBX_OVERRIDE_APP_CFG     (1 << 3)
 156 #define ECORE_DCBX_OVERRIDE_DSCP_CFG    (1 << 4)
 157         u32 override_flags;
 158         bool enabled;
 159         struct ecore_dcbx_admin_params config;
 160         u32 ver_num;
 161         struct ecore_dcbx_dscp_params dscp;
 162 };
 163
 164 struct ecore_dcbx_results {
 165         bool dcbx_enabled;
 166         u8 pf_id;
 167         struct ecore_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
 168 };
 169
 170 struct ecore_dcbx_app_metadata {
 171         enum dcbx_protocol_type id;
 172         const char *name; /* @DPDK */
 173         enum ecore_pci_personality personality;
 174 };
 175
 176 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *,
 177                                              struct ecore_dcbx_get *,
 178                                              enum ecore_mib_read_type);
 179
 180 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *,
 181                                                   struct ecore_dcbx_set *);
 182
 183 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *,
 184                                               struct ecore_ptt *,
 185                                               struct ecore_dcbx_set *,
 186                                               bool);
 187
 188 static const struct ecore_dcbx_app_metadata ecore_dcbx_app_update[] = {
 189         {DCBX_PROTOCOL_ISCSI, "ISCSI", ECORE_PCI_ISCSI},
 190         {DCBX_PROTOCOL_FCOE, "FCOE", ECORE_PCI_FCOE},
 191         {DCBX_PROTOCOL_ROCE, "ROCE", ECORE_PCI_ETH_ROCE},
 192         {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", ECORE_PCI_ETH_ROCE},
 193         {DCBX_PROTOCOL_ETH, "ETH", ECORE_PCI_ETH}
 194 };
 195
 196 #endif /* __ECORE_DCBX_API_H__ */