drivers/net/bnxt/tf_ulp/bnxt_ulp.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2021 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _BNXT_ULP_H_
   7 #define _BNXT_ULP_H_
   8
   9 #include <inttypes.h>
  10 #include <stdbool.h>
  11 #include <sys/queue.h>
  12
  13 #include "rte_ethdev.h"
  14
  15 #include "ulp_template_db_enum.h"
  16 #include "ulp_tun.h"
  17 #include "bnxt_tf_common.h"
  18
  19 /* NAT defines to reuse existing inner L2 SMAC and DMAC */
  20 #define BNXT_ULP_NAT_INNER_L2_HEADER_SMAC       0x2000
  21 #define BNXT_ULP_NAT_OUTER_MOST_L2_HDR_SMAC     0x6000
  22 #define BNXT_ULP_NAT_OUTER_MOST_L2_VLAN_TAGS    0xc00
  23 #define BNXT_ULP_NAT_INNER_L2_HEADER_DMAC       0x100
  24 #define BNXT_ULP_NAT_OUTER_MOST_L2_HDR_DMAC     0x300
  25 #define BNXT_ULP_NAT_OUTER_MOST_FLAGS (BNXT_ULP_NAT_OUTER_MOST_L2_HDR_SMAC |\
  26                                         BNXT_ULP_NAT_OUTER_MOST_L2_VLAN_TAGS |\
  27                                         BNXT_ULP_NAT_OUTER_MOST_L2_HDR_DMAC)
  28
  29 /* defines for the ulp_flags */
  30 #define BNXT_ULP_VF_REP_ENABLED         0x1
  31 #define ULP_VF_REP_IS_ENABLED(flag)     ((flag) & BNXT_ULP_VF_REP_ENABLED)
  32
  33 enum bnxt_ulp_flow_mem_type {
  34         BNXT_ULP_FLOW_MEM_TYPE_INT = 0,
  35         BNXT_ULP_FLOW_MEM_TYPE_EXT = 1,
  36         BNXT_ULP_FLOW_MEM_TYPE_BOTH = 2,
  37         BNXT_ULP_FLOW_MEM_TYPE_LAST = 3
  38 };
  39
  40 struct bnxt_ulp_df_rule_info {
  41         uint32_t                        port_to_app_flow_id;
  42         uint32_t                        app_to_port_flow_id;
  43         uint8_t                         valid;
  44 };
  45
  46 struct bnxt_ulp_vfr_rule_info {
  47         uint32_t                        rep2vf_flow_id;
  48         uint32_t                        vf2rep_flow_id;
  49         uint16_t                        parent_port_id;
  50         uint8_t                         valid;
  51 };
  52
  53 struct bnxt_ulp_data {
  54         uint32_t                        tbl_scope_id;
  55         struct bnxt_ulp_mark_tbl        *mark_tbl;
  56         uint32_t                        dev_id; /* Hardware device id */
  57         uint32_t                        ref_cnt;
  58         struct bnxt_ulp_flow_db         *flow_db;
  59         pthread_mutex_t                 flow_db_lock;
  60         void                            *mapper_data;
  61         struct bnxt_ulp_port_db         *port_db;
  62         struct bnxt_ulp_fc_info         *fc_info;
  63         uint32_t                        ulp_flags;
  64         struct bnxt_ulp_df_rule_info    df_rule_info[RTE_MAX_ETHPORTS];
  65         struct bnxt_ulp_vfr_rule_info   vfr_rule_info[RTE_MAX_ETHPORTS];
  66         enum bnxt_ulp_flow_mem_type     mem_type;
  67 #define BNXT_ULP_TUN_ENTRY_INVALID      -1
  68 #define BNXT_ULP_MAX_TUN_CACHE_ENTRIES  16
  69         struct bnxt_tun_cache_entry     tun_tbl[BNXT_ULP_MAX_TUN_CACHE_ENTRIES];
  70 };
  71
  72 struct bnxt_ulp_context {
  73         struct bnxt_ulp_data    *cfg_data;
  74         struct tf               *g_tfp;
  75 };
  76
  77 struct bnxt_ulp_pci_info {
  78         uint32_t        domain;
  79         uint8_t         bus;
  80 };
  81
  82 struct bnxt_ulp_session_state {
  83         STAILQ_ENTRY(bnxt_ulp_session_state)    next;
  84         bool                                    bnxt_ulp_init;
  85         pthread_mutex_t                         bnxt_ulp_mutex;
  86         struct bnxt_ulp_pci_info                pci_info;
  87         struct bnxt_ulp_data                    *cfg_data;
  88         struct tf                               *g_tfp;
  89         uint32_t                                session_opened;
  90 };
  91
  92 /* ULP flow id structure */
  93 struct rte_tf_flow {
  94         uint32_t        flow_id;
  95 };
  96
  97 struct ulp_tlv_param {
  98         enum bnxt_ulp_df_param_type type;
  99         uint32_t length;
 100         uint8_t value[16];
 101 };
 102
 103 /*
 104  * Allow the deletion of context only for the bnxt device that
 105  * created the session
 106  */
 107 bool
 108 ulp_ctx_deinit_allowed(struct bnxt_ulp_context *ulp_ctx);
 109
 110 /* Function to set the device id of the hardware. */
 111 int32_t
 112 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx, uint32_t dev_id);
 113
 114 /* Function to get the device id of the hardware. */
 115 int32_t
 116 bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx, uint32_t *dev_id);
 117
 118 /* Function to get whether or not ext mem is used for EM */
 119 int32_t
 120 bnxt_ulp_cntxt_mem_type_get(struct bnxt_ulp_context *ulp_ctx,
 121                             enum bnxt_ulp_flow_mem_type *mem_type);
 122
 123 /* Function to set whether or not ext mem is used for EM */
 124 int32_t
 125 bnxt_ulp_cntxt_mem_type_set(struct bnxt_ulp_context *ulp_ctx,
 126                             enum bnxt_ulp_flow_mem_type mem_type);
 127
 128 /* Function to set the table scope id of the EEM table. */
 129 int32_t
 130 bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
 131                                 uint32_t tbl_scope_id);
 132
 133 /* Function to get the table scope id of the EEM table. */
 134 int32_t
 135 bnxt_ulp_cntxt_tbl_scope_id_get(struct bnxt_ulp_context *ulp_ctx,
 136                                 uint32_t *tbl_scope_id);
 137
 138 /* Function to set the tfp session details in the ulp context. */
 139 int32_t
 140 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp);
 141
 142 /* Function to get the tfp session details from ulp context. */
 143 struct tf *
 144 bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp);
 145
 146 /* Get the device table entry based on the device id. */
 147 struct bnxt_ulp_device_params *
 148 bnxt_ulp_device_params_get(uint32_t dev_id);
 149
 150 int32_t
 151 bnxt_ulp_ctxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
 152                                struct bnxt_ulp_mark_tbl *mark_tbl);
 153
 154 struct bnxt_ulp_mark_tbl *
 155 bnxt_ulp_ctxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx);
 156
 157 /* Function to set the flow database to the ulp context. */
 158 int32_t
 159 bnxt_ulp_cntxt_ptr2_flow_db_set(struct bnxt_ulp_context *ulp_ctx,
 160                                 struct bnxt_ulp_flow_db *flow_db);
 161
 162 /* Function to get the flow database from the ulp context. */
 163 struct bnxt_ulp_flow_db *
 164 bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context *ulp_ctx);
 165
 166 /* Function to get the tunnel cache table info from the ulp context. */
 167 struct bnxt_tun_cache_entry *
 168 bnxt_ulp_cntxt_ptr2_tun_tbl_get(struct bnxt_ulp_context *ulp_ctx);
 169
 170 /* Function to get the ulp context from eth device. */
 171 struct bnxt_ulp_context *
 172 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev *dev);
 173
 174 /* Function to add the ulp mapper data to the ulp context */
 175 int32_t
 176 bnxt_ulp_cntxt_ptr2_mapper_data_set(struct bnxt_ulp_context *ulp_ctx,
 177                                     void *mapper_data);
 178
 179 /* Function to get the ulp mapper data from the ulp context */
 180 void *
 181 bnxt_ulp_cntxt_ptr2_mapper_data_get(struct bnxt_ulp_context *ulp_ctx);
 182
 183 /* Function to set the port database to the ulp context. */
 184 int32_t
 185 bnxt_ulp_cntxt_ptr2_port_db_set(struct bnxt_ulp_context *ulp_ctx,
 186                                 struct bnxt_ulp_port_db *port_db);
 187
 188 /* Function to get the port database from the ulp context. */
 189 struct bnxt_ulp_port_db *
 190 bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context *ulp_ctx);
 191
 192 /* Function to create default flows. */
 193 int32_t
 194 ulp_default_flow_create(struct rte_eth_dev *eth_dev,
 195                         struct ulp_tlv_param *param_list,
 196                         uint32_t ulp_class_tid,
 197                         uint32_t *flow_id);
 198
 199 /* Function to destroy default flows. */
 200 int32_t
 201 ulp_default_flow_destroy(struct rte_eth_dev *eth_dev,
 202                          uint32_t flow_id);
 203
 204 int
 205 bnxt_ulp_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow,
 206                       struct rte_flow_error *error);
 207
 208 int32_t
 209 bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
 210                                 struct bnxt_ulp_fc_info *ulp_fc_info);
 211
 212 struct bnxt_ulp_fc_info *
 213 bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx);
 214
 215 int32_t
 216 bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
 217                                   uint32_t *flags);
 218
 219 int32_t
 220 bnxt_ulp_get_df_rule_info(uint8_t port_id, struct bnxt_ulp_context *ulp_ctx,
 221                           struct bnxt_ulp_df_rule_info *info);
 222
 223 struct bnxt_ulp_vfr_rule_info*
 224 bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
 225                                      uint32_t port_id);
 226
 227 int32_t
 228 bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context *ulp_ctx);
 229
 230 void
 231 bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context *ulp_ctx);
 232
 233 int32_t
 234 ulp_post_process_tun_flow(struct ulp_rte_parser_params *params);
 235
 236 #endif /* _BNXT_ULP_H_ */