drivers/net/dpaa2/mc/fsl_dpdmux.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2013-2016 Freescale Semiconductor Inc.
   4  * Copyright 2018 NXP
   5  *
   6  */
   7 #ifndef __FSL_DPDMUX_H
   8 #define __FSL_DPDMUX_H
   9
  10 #include <fsl_net.h>
  11
  12 struct fsl_mc_io;
  13
  14 /** @addtogroup dpdmux Data Path Demux API
  15  * Contains API for handling DPDMUX topology and functionality
  16  * @{
  17  */
  18
  19 int dpdmux_open(struct fsl_mc_io *mc_io,
  20                 uint32_t  cmd_flags,
  21                 int  dpdmux_id,
  22                 uint16_t  *token);
  23
  24 int dpdmux_close(struct fsl_mc_io *mc_io,
  25                  uint32_t cmd_flags,
  26                  uint16_t token);
  27
  28 /**
  29  * DPDMUX general options
  30  */
  31
  32 /**
  33  * Enable bridging between internal interfaces
  34  */
  35 #define DPDMUX_OPT_BRIDGE_EN    0x0000000000000002ULL
  36
  37 /**
  38  * Mask support for classification
  39  */
  40 #define DPDMUX_OPT_CLS_MASK_SUPPORT             0x0000000000000020ULL
  41
  42 #define DPDMUX_IRQ_INDEX_IF     0x0000
  43 #define DPDMUX_IRQ_INDEX        0x0001
  44
  45 /**
  46  * IRQ event - Indicates that the link state changed
  47  */
  48 #define DPDMUX_IRQ_EVENT_LINK_CHANGED   0x0001
  49
  50 /**
  51  * enum dpdmux_manip - DPDMUX manipulation operations
  52  * @DPDMUX_MANIP_NONE:  No manipulation on frames
  53  * @DPDMUX_MANIP_ADD_REMOVE_S_VLAN: Add S-VLAN on egress, remove it on ingress
  54  */
  55 enum dpdmux_manip {
  56         DPDMUX_MANIP_NONE = 0x0,
  57         DPDMUX_MANIP_ADD_REMOVE_S_VLAN = 0x1
  58 };
  59
  60 /**
  61  * enum dpdmux_method - DPDMUX method options
  62  * @DPDMUX_METHOD_NONE: no DPDMUX method
  63  * @DPDMUX_METHOD_C_VLAN_MAC: DPDMUX based on C-VLAN and MAC address
  64  * @DPDMUX_METHOD_MAC: DPDMUX based on MAC address
  65  * @DPDMUX_METHOD_C_VLAN: DPDMUX based on C-VLAN
  66  * @DPDMUX_METHOD_S_VLAN: DPDMUX based on S-VLAN
  67  */
  68 enum dpdmux_method {
  69         DPDMUX_METHOD_NONE = 0x0,
  70         DPDMUX_METHOD_C_VLAN_MAC = 0x1,
  71         DPDMUX_METHOD_MAC = 0x2,
  72         DPDMUX_METHOD_C_VLAN = 0x3,
  73         DPDMUX_METHOD_S_VLAN = 0x4,
  74         DPDMUX_METHOD_CUSTOM = 0x5,
  75 };
  76
  77 /**
  78  * struct dpdmux_cfg - DPDMUX configuration parameters
  79  * @method: Defines the operation method for the DPDMUX address table
  80  * @manip: Required manipulation operation
  81  * @num_ifs: Number of interfaces (excluding the uplink interface)
  82  * @adv: Advanced parameters; default is all zeros;
  83  *      use this structure to change default settings
  84  * @adv.options: DPDMUX options - combination of 'DPDMUX_OPT_<X>' flags.
  85  * @adv.max_dmat_entries: Maximum entries in DPDMUX address table
  86  *      0 - indicates default: 64 entries per interface.
  87  * @adv.max_mc_groups: Number of multicast groups in DPDMUX table
  88  *      0 - indicates default: 32 multicast groups.
  89  * @adv.max_vlan_ids: Maximum vlan ids allowed in the system -
  90  *      relevant only case of working in mac+vlan method.
  91  *      0 - indicates default 16 vlan ids.
  92  */
  93 struct dpdmux_cfg {
  94         enum dpdmux_method method;
  95         enum dpdmux_manip manip;
  96         uint16_t num_ifs;
  97         struct {
  98                 uint64_t options;
  99                 uint16_t max_dmat_entries;
 100                 uint16_t max_mc_groups;
 101                 uint16_t max_vlan_ids;
 102         } adv;
 103 };
 104
 105 int dpdmux_create(struct fsl_mc_io *mc_io,
 106                   uint16_t dprc_token,
 107                   uint32_t cmd_flags,
 108                   const struct dpdmux_cfg *cfg,
 109                   uint32_t *obj_id);
 110
 111 int dpdmux_destroy(struct fsl_mc_io *mc_io,
 112                    uint16_t dprc_token,
 113                    uint32_t cmd_flags,
 114                    uint32_t object_id);
 115
 116 int dpdmux_enable(struct fsl_mc_io *mc_io,
 117                   uint32_t cmd_flags,
 118                   uint16_t token);
 119
 120 int dpdmux_disable(struct fsl_mc_io *mc_io,
 121                    uint32_t cmd_flags,
 122                    uint16_t token);
 123
 124 int dpdmux_is_enabled(struct fsl_mc_io *mc_io,
 125                       uint32_t cmd_flags,
 126                       uint16_t token,
 127                       int *en);
 128
 129 int dpdmux_reset(struct fsl_mc_io *mc_io,
 130                  uint32_t cmd_flags,
 131                  uint16_t token);
 132
 133 /**
 134  * struct dpdmux_attr - Structure representing DPDMUX attributes
 135  * @id: DPDMUX object ID
 136  * @options: Configuration options (bitmap)
 137  * @method: DPDMUX address table method
 138  * @manip: DPDMUX manipulation type
 139  * @num_ifs: Number of interfaces (excluding the uplink interface)
 140  * @mem_size: DPDMUX frame storage memory size
 141  */
 142 struct dpdmux_attr {
 143         int id;
 144         uint64_t options;
 145         enum dpdmux_method method;
 146         enum dpdmux_manip manip;
 147         uint16_t num_ifs;
 148         uint16_t mem_size;
 149 };
 150
 151 int dpdmux_get_attributes(struct fsl_mc_io *mc_io,
 152                           uint32_t cmd_flags,
 153                           uint16_t token,
 154                           struct dpdmux_attr *attr);
 155
 156 int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
 157                                 uint32_t cmd_flags,
 158                                 uint16_t token,
 159                                 uint16_t max_frame_length);
 160
 161 /**
 162  * enum dpdmux_counter_type - Counter types
 163  * @DPDMUX_CNT_ING_FRAME: Counts ingress frames
 164  * @DPDMUX_CNT_ING_BYTE: Counts ingress bytes
 165  * @DPDMUX_CNT_ING_FLTR_FRAME: Counts filtered ingress frames
 166  * @DPDMUX_CNT_ING_FRAME_DISCARD: Counts discarded ingress frames
 167  * @DPDMUX_CNT_ING_MCAST_FRAME: Counts ingress multicast frames
 168  * @DPDMUX_CNT_ING_MCAST_BYTE: Counts ingress multicast bytes
 169  * @DPDMUX_CNT_ING_BCAST_FRAME: Counts ingress broadcast frames
 170  * @DPDMUX_CNT_ING_BCAST_BYTES: Counts ingress broadcast bytes
 171  * @DPDMUX_CNT_EGR_FRAME: Counts egress frames
 172  * @DPDMUX_CNT_EGR_BYTE: Counts egress bytes
 173  * @DPDMUX_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
 174  */
 175 enum dpdmux_counter_type {
 176         DPDMUX_CNT_ING_FRAME = 0x0,
 177         DPDMUX_CNT_ING_BYTE = 0x1,
 178         DPDMUX_CNT_ING_FLTR_FRAME = 0x2,
 179         DPDMUX_CNT_ING_FRAME_DISCARD = 0x3,
 180         DPDMUX_CNT_ING_MCAST_FRAME = 0x4,
 181         DPDMUX_CNT_ING_MCAST_BYTE = 0x5,
 182         DPDMUX_CNT_ING_BCAST_FRAME = 0x6,
 183         DPDMUX_CNT_ING_BCAST_BYTES = 0x7,
 184         DPDMUX_CNT_EGR_FRAME = 0x8,
 185         DPDMUX_CNT_EGR_BYTE = 0x9,
 186         DPDMUX_CNT_EGR_FRAME_DISCARD = 0xa
 187 };
 188
 189 /**
 190  * enum dpdmux_accepted_frames_type - DPDMUX frame types
 191  * @DPDMUX_ADMIT_ALL: The device accepts VLAN tagged, untagged and
 192  *                      priority-tagged frames
 193  * @DPDMUX_ADMIT_ONLY_VLAN_TAGGED: The device discards untagged frames or
 194  *                              priority-tagged frames that are received on this
 195  *                              interface
 196  * @DPDMUX_ADMIT_ONLY_UNTAGGED: Untagged frames or priority-tagged frames
 197  *                              received on this interface are accepted
 198  */
 199 enum dpdmux_accepted_frames_type {
 200         DPDMUX_ADMIT_ALL = 0,
 201         DPDMUX_ADMIT_ONLY_VLAN_TAGGED = 1,
 202         DPDMUX_ADMIT_ONLY_UNTAGGED = 2
 203 };
 204
 205 /**
 206  * enum dpdmux_action - DPDMUX action for un-accepted frames
 207  * @DPDMUX_ACTION_DROP: Drop un-accepted frames
 208  * @DPDMUX_ACTION_REDIRECT_TO_CTRL: Redirect un-accepted frames to the
 209  *                                      control interface
 210  */
 211 enum dpdmux_action {
 212         DPDMUX_ACTION_DROP = 0,
 213         DPDMUX_ACTION_REDIRECT_TO_CTRL = 1
 214 };
 215
 216 /**
 217  * struct dpdmux_accepted_frames - Frame types configuration
 218  * @type: Defines ingress accepted frames
 219  * @unaccept_act: Defines action on frames not accepted
 220  */
 221 struct dpdmux_accepted_frames {
 222         enum dpdmux_accepted_frames_type type;
 223         enum dpdmux_action unaccept_act;
 224 };
 225
 226 int dpdmux_if_set_accepted_frames(struct fsl_mc_io *mc_io,
 227                                   uint32_t cmd_flags,
 228                                   uint16_t token,
 229                                   uint16_t if_id,
 230                                   const struct dpdmux_accepted_frames *cfg);
 231
 232 /**
 233  * struct dpdmux_if_attr - Structure representing frame types configuration
 234  * @rate: Configured interface rate (in bits per second)
 235  * @enabled: Indicates if interface is enabled
 236  * @accept_frame_type: Indicates type of accepted frames for the interface
 237  */
 238 struct dpdmux_if_attr {
 239         uint32_t rate;
 240         int enabled;
 241         int is_default;
 242         enum dpdmux_accepted_frames_type accept_frame_type;
 243 };
 244
 245 int dpdmux_if_get_attributes(struct fsl_mc_io *mc_io,
 246                              uint32_t cmd_flags,
 247                              uint16_t token,
 248                              uint16_t if_id,
 249                              struct dpdmux_if_attr *attr);
 250
 251 int dpdmux_if_enable(struct fsl_mc_io *mc_io,
 252                      uint32_t cmd_flags,
 253                      uint16_t token,
 254                      uint16_t if_id);
 255
 256 int dpdmux_if_disable(struct fsl_mc_io *mc_io,
 257                       uint32_t cmd_flags,
 258                       uint16_t token,
 259                       uint16_t if_id);
 260
 261 /**
 262  * struct dpdmux_l2_rule - Structure representing L2 rule
 263  * @mac_addr: MAC address
 264  * @vlan_id: VLAN ID
 265  */
 266 struct dpdmux_l2_rule {
 267         uint8_t mac_addr[6];
 268         uint16_t vlan_id;
 269 };
 270
 271 int dpdmux_if_remove_l2_rule(struct fsl_mc_io *mc_io,
 272                              uint32_t cmd_flags,
 273                              uint16_t token,
 274                              uint16_t if_id,
 275                              const struct dpdmux_l2_rule *rule);
 276
 277 int dpdmux_if_add_l2_rule(struct fsl_mc_io *mc_io,
 278                           uint32_t cmd_flags,
 279                           uint16_t token,
 280                           uint16_t if_id,
 281                           const struct dpdmux_l2_rule *rule);
 282
 283 int dpdmux_if_get_counter(struct fsl_mc_io *mc_io,
 284                           uint32_t cmd_flags,
 285                           uint16_t token,
 286                           uint16_t if_id,
 287                           enum dpdmux_counter_type counter_type,
 288                           uint64_t *counter);
 289
 290 int dpdmux_ul_reset_counters(struct fsl_mc_io *mc_io,
 291                              uint32_t cmd_flags,
 292                              uint16_t token);
 293
 294 /**
 295  * Enable auto-negotiation
 296  */
 297 #define DPDMUX_LINK_OPT_AUTONEG         0x0000000000000001ULL
 298 /**
 299  * Enable half-duplex mode
 300  */
 301 #define DPDMUX_LINK_OPT_HALF_DUPLEX     0x0000000000000002ULL
 302 /**
 303  * Enable pause frames
 304  */
 305 #define DPDMUX_LINK_OPT_PAUSE           0x0000000000000004ULL
 306 /**
 307  * Enable a-symmetric pause frames
 308  */
 309 #define DPDMUX_LINK_OPT_ASYM_PAUSE      0x0000000000000008ULL
 310
 311 /**
 312  * struct dpdmux_link_cfg - Structure representing DPDMUX link configuration
 313  * @rate: Rate
 314  * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
 315  */
 316 struct dpdmux_link_cfg {
 317         uint32_t rate;
 318         uint64_t options;
 319         uint64_t advertising;
 320 };
 321
 322 int dpdmux_if_set_link_cfg(struct fsl_mc_io *mc_io,
 323                            uint32_t cmd_flags,
 324                            uint16_t token,
 325                            uint16_t if_id,
 326                            struct dpdmux_link_cfg *cfg);
 327 /**
 328  * struct dpdmux_link_state - Structure representing DPDMUX link state
 329  * @rate: Rate
 330  * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
 331  * @up: 0 - down, 1 - up
 332  * @state_valid: Ignore/Update the state of the link
 333  * @supported: Speeds capability of the phy (bitmap)
 334  * @advertising: Speeds that are advertised for autoneg (bitmap)
 335  */
 336 struct dpdmux_link_state {
 337         uint32_t rate;
 338         uint64_t options;
 339         int      up;
 340         int      state_valid;
 341         uint64_t supported;
 342         uint64_t advertising;
 343 };
 344
 345 int dpdmux_if_get_link_state(struct fsl_mc_io *mc_io,
 346                              uint32_t cmd_flags,
 347                              uint16_t token,
 348                              uint16_t if_id,
 349                              struct dpdmux_link_state *state);
 350
 351 int dpdmux_if_set_default(struct fsl_mc_io *mc_io,
 352                 uint32_t cmd_flags,
 353                 uint16_t token,
 354                 uint16_t if_id);
 355
 356 int dpdmux_if_get_default(struct fsl_mc_io *mc_io,
 357                 uint32_t cmd_flags,
 358                 uint16_t token,
 359                 uint16_t *if_id);
 360
 361 int dpdmux_set_custom_key(struct fsl_mc_io *mc_io,
 362                         uint32_t cmd_flags,
 363                         uint16_t token,
 364                         uint64_t key_cfg_iova);
 365
 366 /**
 367  * struct dpdmux_rule_cfg - Custom classification rule.
 368  *
 369  * @key_iova: DMA address of buffer storing the look-up value
 370  * @mask_iova: DMA address of the mask used for TCAM classification
 371  * @key_size: size, in bytes, of the look-up value. This must match the size
 372  *      of the look-up key defined using dpdmux_set_custom_key, otherwise the
 373  *      entry will never be hit
 374  */
 375 struct dpdmux_rule_cfg {
 376         uint64_t key_iova;
 377         uint64_t mask_iova;
 378         uint8_t key_size;
 379 };
 380
 381 /**
 382  * struct dpdmux_cls_action - Action to execute for frames matching the
 383  *      classification entry
 384  *
 385  * @dest_if: Interface to forward the frames to. Port numbering is similar to
 386  *      the one used to connect interfaces:
 387  *      - 0 is the uplink port,
 388  *      - all others are downlink ports.
 389  */
 390 struct dpdmux_cls_action {
 391         uint16_t dest_if;
 392 };
 393
 394 int dpdmux_add_custom_cls_entry(struct fsl_mc_io *mc_io,
 395                 uint32_t cmd_flags,
 396                 uint16_t token,
 397                 struct dpdmux_rule_cfg *rule,
 398                 struct dpdmux_cls_action *action);
 399
 400 int dpdmux_remove_custom_cls_entry(struct fsl_mc_io *mc_io,
 401                 uint32_t cmd_flags,
 402                 uint16_t token,
 403                 struct dpdmux_rule_cfg *rule);
 404
 405 int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
 406                            uint32_t cmd_flags,
 407                            uint16_t *major_ver,
 408                            uint16_t *minor_ver);
 409
 410 #endif /* __FSL_DPDMUX_H */