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_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         bool    valid;          /* Indicate validity of params */
 105         u8      ets_pri_tc_tbl[ECORE_MAX_PFC_PRIORITIES];
 106         u8      ets_tc_bw_tbl[ECORE_MAX_PFC_PRIORITIES];
 107         u8      ets_tc_tsa_tbl[ECORE_MAX_PFC_PRIORITIES];
 108         struct ecore_dbcx_pfc_params pfc;
 109         u8      max_ets_tc;
 110 };
 111
 112 struct ecore_dcbx_admin_params {
 113         struct ecore_dcbx_params params;
 114         bool valid;             /* Indicate validity of params */
 115 };
 116
 117 struct ecore_dcbx_remote_params {
 118         struct ecore_dcbx_params params;
 119         bool valid;             /* Indicate validity of params */
 120 };
 121
 122 struct ecore_dcbx_operational_params {
 123         struct ecore_dcbx_app_prio app_prio;
 124         struct ecore_dcbx_params params;
 125         bool valid;             /* Indicate validity of params */
 126         bool enabled;
 127         bool ieee;
 128         bool cee;
 129         bool local;
 130         u32 err;
 131 };
 132
 133 struct ecore_dcbx_dscp_params {
 134         bool enabled;
 135         u8 dscp_pri_map[ECORE_DCBX_DSCP_SIZE];
 136 };
 137
 138 struct ecore_dcbx_get {
 139         struct ecore_dcbx_operational_params operational;
 140         struct ecore_dcbx_lldp_remote lldp_remote;
 141         struct ecore_dcbx_lldp_local lldp_local;
 142         struct ecore_dcbx_remote_params remote;
 143         struct ecore_dcbx_admin_params local;
 144         struct ecore_dcbx_dscp_params dscp;
 145 };
 146 #endif
 147
 148 #define ECORE_DCBX_VERSION_DISABLED     0
 149 #define ECORE_DCBX_VERSION_IEEE         1
 150 #define ECORE_DCBX_VERSION_CEE          2
 151 #define ECORE_DCBX_VERSION_DYNAMIC      3
 152
 153 struct ecore_dcbx_set {
 154 #define ECORE_DCBX_OVERRIDE_STATE       (1 << 0)
 155 #define ECORE_DCBX_OVERRIDE_PFC_CFG     (1 << 1)
 156 #define ECORE_DCBX_OVERRIDE_ETS_CFG     (1 << 2)
 157 #define ECORE_DCBX_OVERRIDE_APP_CFG     (1 << 3)
 158 #define ECORE_DCBX_OVERRIDE_DSCP_CFG    (1 << 4)
 159         u32 override_flags;
 160         bool enabled;
 161         struct ecore_dcbx_admin_params config;
 162         u32 ver_num;
 163         struct ecore_dcbx_dscp_params dscp;
 164 };
 165
 166 struct ecore_dcbx_results {
 167         bool dcbx_enabled;
 168         u8 pf_id;
 169         struct ecore_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
 170 };
 171
 172 struct ecore_dcbx_app_metadata {
 173         enum dcbx_protocol_type id;
 174         const char *name; /* @DPDK */
 175         enum ecore_pci_personality personality;
 176 };
 177
 178 enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *,
 179                                              struct ecore_dcbx_get *,
 180                                              enum ecore_mib_read_type);
 181
 182 enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *,
 183                                                   struct ecore_dcbx_set *);
 184
 185 enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *,
 186                                               struct ecore_ptt *,
 187                                               struct ecore_dcbx_set *,
 188                                               bool);
 189
 190 static const struct ecore_dcbx_app_metadata ecore_dcbx_app_update[] = {
 191         {DCBX_PROTOCOL_ISCSI, "ISCSI", ECORE_PCI_ISCSI},
 192         {DCBX_PROTOCOL_FCOE, "FCOE", ECORE_PCI_FCOE},
 193         {DCBX_PROTOCOL_ROCE, "ROCE", ECORE_PCI_ETH_ROCE},
 194         {DCBX_PROTOCOL_ROCE_V2, "ROCE_V2", ECORE_PCI_ETH_ROCE},
 195         {DCBX_PROTOCOL_ETH, "ETH", ECORE_PCI_ETH},
 196         {DCBX_PROTOCOL_IWARP, "IWARP", ECORE_PCI_ETH_IWARP}
 197 };
 198
 199 #endif /* __ECORE_DCBX_API_H__ */