src/vnet/dev/dev.h

   1 /* SPDX-License-Identifier: Apache-2.0
   2  * Copyright (c) 2023 Cisco Systems, Inc.
   3  */
   4
   5 #ifndef _VNET_DEV_H_
   6 #define _VNET_DEV_H_
   7
   8 #include <vppinfra/clib.h>
   9 #include <vppinfra/error_bootstrap.h>
  10 #include <vppinfra/format.h>
  11 #include <vnet/vnet.h>
  12 #include <vnet/dev/types.h>
  13 #include <vnet/dev/args.h>
  14
  15 #define VNET_DEV_DEVICE_ID_PREFIX_DELIMITER "/"
  16
  17 #define foreach_vnet_dev_port_type                                            \
  18   _ (0, UNKNOWN)                                                              \
  19   _ (1, ETHERNET)
  20
  21 typedef enum
  22 {
  23 #define _(b, n) VNET_DEV_PORT_TYPE_##n = (1U << (b)),
  24   foreach_vnet_dev_port_type
  25 #undef _
  26 } vnet_dev_port_type_t;
  27
  28 #define foreach_vnet_dev_port_caps                                            \
  29   _ (interrupt_mode)                                                          \
  30   _ (rss)                                                                     \
  31   _ (change_max_rx_frame_size)                                                \
  32   _ (mac_filter)
  33
  34 #define foreach_vnet_dev_port_rx_offloads _ (ip4_cksum)
  35
  36 #define foreach_vnet_dev_port_tx_offloads                                     \
  37   _ (ip4_cksum)                                                               \
  38   _ (tcp_gso)                                                                 \
  39   _ (udp_gso)
  40
  41 typedef union
  42 {
  43   struct
  44   {
  45 #define _(n) u8 n : 1;
  46     foreach_vnet_dev_port_caps
  47 #undef _
  48   };
  49   u8 as_number;
  50 } vnet_dev_port_caps_t;
  51
  52 typedef union
  53 {
  54   struct
  55   {
  56 #define _(n) u8 n : 1;
  57     foreach_vnet_dev_port_rx_offloads
  58 #undef _
  59   };
  60   u8 as_number;
  61 } vnet_dev_port_rx_offloads_t;
  62
  63 typedef union
  64 {
  65   struct
  66   {
  67 #define _(n) u8 n : 1;
  68     foreach_vnet_dev_port_tx_offloads
  69 #undef _
  70   };
  71   u8 as_number;
  72 } vnet_dev_port_tx_offloads_t;
  73
  74 typedef union
  75 {
  76   u8 eth_mac[6];
  77   u8 raw[8];
  78 } vnet_dev_hw_addr_t;
  79
  80 typedef struct vnet_dev_bus_registration vnet_dev_bus_registration_t;
  81 typedef struct vnet_dev_driver_registration vnet_dev_driver_registration_t;
  82
  83 typedef struct vnet_dev vnet_dev_t;
  84 typedef struct vnet_dev_port vnet_dev_port_t;
  85 typedef struct vnet_dev_rx_queue vnet_dev_rx_queue_t;
  86 typedef struct vnet_dev_tx_queue vnet_dev_tx_queue_t;
  87 typedef struct vnet_dev_bus_registration vnet_dev_bus_registration_t;
  88 typedef struct vnet_dev_driver_registration vnet_dev_driver_registration_t;
  89 typedef struct vnet_dev_counter vnet_dev_counter_t;
  90 typedef struct vnet_dev_counter_main vnet_dev_counter_main_t;
  91 typedef struct vnet_dev_port_cfg_change_req vnet_dev_port_cfg_change_req_t;
  92
  93 typedef vnet_dev_rv_t (vnet_dev_op_t) (vlib_main_t *, vnet_dev_t *);
  94 typedef vnet_dev_rv_t (vnet_dev_port_op_t) (vlib_main_t *, vnet_dev_port_t *);
  95 typedef vnet_dev_rv_t (vnet_dev_port_cfg_change_op_t) (
  96   vlib_main_t *, vnet_dev_port_t *, vnet_dev_port_cfg_change_req_t *);
  97 typedef vnet_dev_rv_t (vnet_dev_rx_queue_op_t) (vlib_main_t *,
  98                                                 vnet_dev_rx_queue_t *);
  99 typedef vnet_dev_rv_t (vnet_dev_tx_queue_op_t) (vlib_main_t *,
 100                                                 vnet_dev_tx_queue_t *);
 101 typedef void (vnet_dev_op_no_rv_t) (vlib_main_t *, vnet_dev_t *);
 102 typedef void (vnet_dev_port_op_no_rv_t) (vlib_main_t *, vnet_dev_port_t *);
 103 typedef void (vnet_dev_rx_queue_op_no_rv_t) (vlib_main_t *,
 104                                              vnet_dev_rx_queue_t *);
 105 typedef void (vnet_dev_tx_queue_op_no_rv_t) (vlib_main_t *,
 106                                              vnet_dev_tx_queue_t *);
 107
 108 typedef u16 vnet_dev_queue_id_t;
 109 typedef u16 vnet_dev_bus_index_t;
 110 typedef u16 vnet_dev_driver_index_t;
 111
 112 typedef struct
 113 {
 114   vnet_dev_rx_queue_op_t *alloc;
 115   vnet_dev_rx_queue_op_t *start;
 116   vnet_dev_rx_queue_op_no_rv_t *stop;
 117   vnet_dev_rx_queue_op_no_rv_t *free;
 118 } vnet_dev_rx_queue_ops_t;
 119
 120 typedef struct
 121 {
 122   vnet_dev_tx_queue_op_t *alloc;
 123   vnet_dev_tx_queue_op_t *start;
 124   vnet_dev_tx_queue_op_no_rv_t *stop;
 125   vnet_dev_tx_queue_op_no_rv_t *free;
 126 } vnet_dev_tx_queue_ops_t;
 127
 128 typedef struct
 129 {
 130   u16 data_size;
 131   u16 min_size;
 132   u16 max_size;
 133   u16 default_size;
 134   u8 multiplier;
 135   u8 size_is_power_of_two : 1;
 136 } vnet_dev_queue_config_t;
 137
 138 #define foreach_vnet_dev_port_cfg_type                                        \
 139   _ (PROMISC_MODE)                                                            \
 140   _ (MAX_RX_FRAME_SIZE)                                                       \
 141   _ (CHANGE_PRIMARY_HW_ADDR)                                                  \
 142   _ (ADD_SECONDARY_HW_ADDR)                                                   \
 143   _ (REMOVE_SECONDARY_HW_ADDR)                                                \
 144   _ (RXQ_INTR_MODE_ENABLE)                                                    \
 145   _ (RXQ_INTR_MODE_DISABLE)
 146
 147 typedef enum
 148 {
 149   VNET_DEV_PORT_CFG_UNKNOWN,
 150 #define _(n) VNET_DEV_PORT_CFG_##n,
 151   foreach_vnet_dev_port_cfg_type
 152 #undef _
 153 } __clib_packed vnet_dev_port_cfg_type_t;
 154
 155 typedef struct vnet_dev_port_cfg_change_req
 156 {
 157   vnet_dev_port_cfg_type_t type;
 158   u8 validated : 1;
 159   u8 all_queues : 1;
 160
 161   union
 162   {
 163     u8 promisc : 1;
 164     vnet_dev_hw_addr_t addr;
 165     u16 max_rx_frame_size;
 166     vnet_dev_queue_id_t queue_id;
 167   };
 168
 169 } vnet_dev_port_cfg_change_req_t;
 170
 171 typedef struct
 172 {
 173   vnet_dev_hw_addr_t hw_addr;
 174   u16 max_rx_queues;
 175   u16 max_tx_queues;
 176   u16 max_supported_rx_frame_size;
 177   vnet_dev_port_type_t type;
 178   vnet_dev_port_caps_t caps;
 179   vnet_dev_port_rx_offloads_t rx_offloads;
 180   vnet_dev_port_tx_offloads_t tx_offloads;
 181 } vnet_dev_port_attr_t;
 182
 183 typedef enum
 184 {
 185   VNET_DEV_PERIODIC_OP_TYPE_DEV = 1,
 186   VNET_DEV_PERIODIC_OP_TYPE_PORT = 2,
 187 } __clib_packed vnet_dev_periodic_op_type_t;
 188
 189 typedef struct
 190 {
 191   f64 interval;
 192   f64 last_run;
 193   vnet_dev_periodic_op_type_t type;
 194   union
 195   {
 196     vnet_dev_t *dev;
 197     vnet_dev_port_t *port;
 198     void *arg;
 199   };
 200   union
 201   {
 202     vnet_dev_op_no_rv_t *dev_op;
 203     vnet_dev_port_op_no_rv_t *port_op;
 204     void *op;
 205   };
 206 } vnet_dev_periodic_op_t;
 207
 208 typedef struct
 209 {
 210   struct _vlib_node_fn_registration *registrations;
 211   format_function_t *format_trace;
 212   vlib_error_desc_t *error_counters;
 213   u16 n_error_counters;
 214 } vnet_dev_node_t;
 215
 216 typedef struct
 217 {
 218   vnet_dev_op_t *alloc;
 219   vnet_dev_op_t *init;
 220   vnet_dev_op_no_rv_t *deinit;
 221   vnet_dev_op_t *reset;
 222   vnet_dev_op_no_rv_t *free;
 223   u8 *(*probe) (vlib_main_t *, vnet_dev_bus_index_t, void *);
 224   format_function_t *format_info;
 225 } vnet_dev_ops_t;
 226
 227 typedef struct
 228 {
 229   vnet_dev_port_op_t *alloc;
 230   vnet_dev_port_op_t *init;
 231   vnet_dev_port_cfg_change_op_t *config_change;
 232   vnet_dev_port_cfg_change_op_t *config_change_validate;
 233   vnet_dev_port_op_t *start;
 234   vnet_dev_port_op_no_rv_t *stop;
 235   vnet_dev_port_op_no_rv_t *deinit;
 236   vnet_dev_port_op_no_rv_t *free;
 237   format_function_t *format_status;
 238 } vnet_dev_port_ops_t;
 239
 240 typedef union
 241 {
 242   struct
 243   {
 244     u8 update_next_index : 1;
 245     u8 update_feature_arc : 1;
 246     u8 suspend_off : 1;
 247     u8 suspend_on : 1;
 248   };
 249   u8 as_number;
 250 } vnet_dev_rx_queue_rt_req_t;
 251
 252 typedef struct vnet_dev_rx_queue
 253 {
 254   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 255   vnet_dev_port_t *port;
 256   u16 rx_thread_index;
 257   u16 index;
 258   vnet_dev_counter_main_t *counter_main;
 259   CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
 260   vnet_dev_rx_queue_t *next_on_thread;
 261   u8 interrupt_mode : 1;
 262   u8 enabled : 1;
 263   u8 started : 1;
 264   u8 suspended : 1;
 265   vnet_dev_queue_id_t queue_id;
 266   u16 size;
 267   u16 next_index;
 268   vnet_dev_rx_queue_rt_req_t runtime_request;
 269   CLIB_CACHE_LINE_ALIGN_MARK (runtime1);
 270   vlib_buffer_template_t buffer_template;
 271   CLIB_CACHE_LINE_ALIGN_MARK (driver_data);
 272   u8 data[];
 273 } vnet_dev_rx_queue_t;
 274
 275 STATIC_ASSERT_SIZEOF (vnet_dev_rx_queue_t, 3 * CLIB_CACHE_LINE_BYTES);
 276
 277 typedef struct vnet_dev_tx_queue
 278 {
 279   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 280   vnet_dev_port_t *port;
 281   clib_bitmap_t *assigned_threads;
 282   u16 index;
 283   vnet_dev_counter_main_t *counter_main;
 284   CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
 285   vnet_dev_queue_id_t queue_id;
 286   u8 started : 1;
 287   u8 enabled : 1;
 288   u8 lock_needed : 1;
 289   u8 lock;
 290   u16 size;
 291   CLIB_ALIGN_MARK (private_data, 16);
 292   u8 data[];
 293 } vnet_dev_tx_queue_t;
 294
 295 STATIC_ASSERT_SIZEOF (vnet_dev_tx_queue_t, 2 * CLIB_CACHE_LINE_BYTES);
 296
 297 typedef struct vnet_dev_port
 298 {
 299   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 300   vnet_dev_t *dev;
 301   vnet_dev_port_id_t port_id;
 302   vnet_dev_driver_index_t driver_index;
 303   u8 initialized : 1;
 304   u8 started : 1;
 305   u8 link_up : 1;
 306   u8 promisc : 1;
 307   u8 interface_created : 1;
 308   u8 rx_node_assigned : 1;
 309   vnet_dev_counter_main_t *counter_main;
 310   vnet_dev_queue_config_t rx_queue_config;
 311   vnet_dev_queue_config_t tx_queue_config;
 312   vnet_dev_port_attr_t attr;
 313   u32 max_rx_frame_size;
 314   vnet_dev_hw_addr_t primary_hw_addr;
 315   vnet_dev_hw_addr_t *secondary_hw_addr;
 316   u32 index;
 317   u32 speed;
 318   vnet_dev_rx_queue_t **rx_queues;
 319   vnet_dev_tx_queue_t **tx_queues;
 320   vnet_dev_port_ops_t port_ops;
 321   vnet_dev_arg_t *args;
 322   vnet_dev_rx_queue_ops_t rx_queue_ops;
 323   vnet_dev_tx_queue_ops_t tx_queue_ops;
 324   vnet_dev_node_t rx_node;
 325   vnet_dev_node_t tx_node;
 326
 327   struct
 328   {
 329     vnet_dev_if_name_t name;
 330     u32 dev_instance;
 331     u32 rx_node_index;
 332     u32 current_config_index;
 333     u16 rx_next_index;
 334     u16 redirect_to_node_next_index;
 335     u8 feature_arc_index;
 336     u8 feature_arc : 1;
 337     u8 redirect_to_node : 1;
 338     u8 default_is_intr_mode : 1;
 339     u32 tx_node_index;
 340     u32 hw_if_index;
 341     u32 sw_if_index;
 342     u16 num_rx_queues;
 343     u16 num_tx_queues;
 344     u16 txq_sz;
 345     u16 rxq_sz;
 346   } intf;
 347
 348   CLIB_CACHE_LINE_ALIGN_MARK (data0);
 349   u8 data[];
 350 } vnet_dev_port_t;
 351
 352 typedef struct vnet_dev
 353 {
 354   vnet_dev_device_id_t device_id;
 355   u16 initialized : 1;
 356   u16 not_first_init : 1;
 357   u16 va_dma : 1;
 358   u16 process_node_quit : 1;
 359   u16 process_node_periodic : 1;
 360   u16 poll_stats : 1;
 361   u16 bus_index;
 362   u8 numa_node;
 363   u16 max_rx_queues;
 364   u16 max_tx_queues;
 365   vnet_dev_driver_index_t driver_index;
 366   u32 index;
 367   u32 process_node_index;
 368   u8 bus_data[32] __clib_aligned (16);
 369   vnet_dev_ops_t ops;
 370   vnet_dev_port_t **ports;
 371   vnet_dev_periodic_op_t *periodic_ops;
 372   u8 *description;
 373   vnet_dev_arg_t *args;
 374   u8 __clib_aligned (16)
 375   data[];
 376 } vnet_dev_t;
 377
 378 typedef struct
 379 {
 380   u16 vendor_id, device_id;
 381   char *description;
 382 } vnet_dev_match_t;
 383
 384 #define VNET_DEV_MATCH(...)                                                   \
 385   (vnet_dev_match_t[])                                                        \
 386   {                                                                           \
 387     __VA_ARGS__, {}                                                           \
 388   }
 389
 390 typedef struct
 391 {
 392   vnet_dev_op_t *device_open;
 393   vnet_dev_op_no_rv_t *device_close;
 394   vnet_dev_rv_t (*dma_mem_alloc_fn) (vlib_main_t *, vnet_dev_t *, u32, u32,
 395                                      void **);
 396   void (*dma_mem_free_fn) (vlib_main_t *, vnet_dev_t *, void *);
 397   void *(*get_device_info) (vlib_main_t *, char *);
 398   void (*free_device_info) (vlib_main_t *, void *);
 399   format_function_t *format_device_info;
 400   format_function_t *format_device_addr;
 401 } vnet_dev_bus_ops_t;
 402
 403 struct vnet_dev_bus_registration
 404 {
 405   vnet_dev_bus_registration_t *next_registration;
 406   vnet_dev_driver_name_t name;
 407   u16 device_data_size;
 408   vnet_dev_bus_ops_t ops;
 409 };
 410
 411 struct vnet_dev_driver_registration
 412 {
 413   vnet_dev_driver_registration_t *next_registration;
 414   u8 bus_master_enable : 1;
 415   vnet_dev_driver_name_t name;
 416   vnet_dev_bus_name_t bus;
 417   u16 device_data_sz;
 418   u16 runtime_temp_space_sz;
 419   vnet_dev_match_t *match;
 420   int priority;
 421   vnet_dev_ops_t ops;
 422   vnet_dev_arg_t *args;
 423 };
 424
 425 typedef struct
 426 {
 427   u32 index;
 428   vnet_dev_bus_registration_t *registration;
 429   vnet_dev_bus_ops_t ops;
 430 } vnet_dev_bus_t;
 431
 432 typedef struct
 433 {
 434   u32 index;
 435   void *dev_data;
 436   vnet_dev_driver_registration_t *registration;
 437   u32 dev_class_index;
 438   vnet_dev_bus_index_t bus_index;
 439   vnet_dev_ops_t ops;
 440 } vnet_dev_driver_t;
 441
 442 typedef struct
 443 {
 444   vnet_dev_bus_t *buses;
 445   vnet_dev_driver_t *drivers;
 446   vnet_dev_t **devices;
 447   vnet_dev_port_t **ports_by_dev_instance;
 448   vnet_dev_bus_registration_t *bus_registrations;
 449   vnet_dev_driver_registration_t *driver_registrations;
 450   void *runtime_temp_spaces;
 451   u32 log2_runtime_temp_space_sz;
 452   u32 *free_process_node_indices;
 453   u32 *free_rx_node_indices;
 454   uword *device_index_by_id;
 455
 456   u8 *startup_config;
 457   u16 next_rx_queue_thread;
 458   u8 eth_port_rx_feature_arc_index;
 459 } vnet_dev_main_t;
 460
 461 extern vnet_dev_main_t vnet_dev_main;
 462
 463 typedef struct
 464 {
 465   struct
 466   {
 467     vnet_dev_port_attr_t attr;
 468     vnet_dev_port_ops_t ops;
 469     vnet_dev_arg_t *args;
 470     u16 data_size;
 471     void *initial_data;
 472   } port;
 473
 474   vnet_dev_node_t *rx_node;
 475   vnet_dev_node_t *tx_node;
 476
 477   struct
 478   {
 479     vnet_dev_queue_config_t config;
 480     vnet_dev_rx_queue_ops_t ops;
 481   } rx_queue;
 482
 483   struct
 484   {
 485     vnet_dev_queue_config_t config;
 486     vnet_dev_tx_queue_ops_t ops;
 487   } tx_queue;
 488 } vnet_dev_port_add_args_t;
 489
 490 typedef struct
 491 {
 492   union
 493   {
 494     struct
 495     {
 496       u8 link_speed : 1;
 497       u8 link_state : 1;
 498       u8 link_duplex : 1;
 499     };
 500     u8 any;
 501   } change;
 502   u8 link_state : 1;
 503   u8 full_duplex : 1;
 504   u32 link_speed;
 505 } vnet_dev_port_state_changes_t;
 506
 507 /* args.c */
 508 vnet_dev_rv_t vnet_dev_arg_parse (vlib_main_t *, vnet_dev_t *,
 509                                   vnet_dev_arg_t *, u8 *);
 510 void vnet_dev_arg_free (vnet_dev_arg_t **);
 511 void vnet_dev_arg_clear_value (vnet_dev_arg_t *);
 512 format_function_t format_vnet_dev_arg_type;
 513 format_function_t format_vnet_dev_arg_value;
 514 format_function_t format_vnet_dev_args;
 515
 516 /* dev.c */
 517 vnet_dev_t *vnet_dev_alloc (vlib_main_t *, vnet_dev_device_id_t,
 518                             vnet_dev_driver_t *);
 519 void vnet_dev_free (vlib_main_t *, vnet_dev_t *);
 520 vnet_dev_rv_t vnet_dev_init (vlib_main_t *, vnet_dev_t *);
 521 void vnet_dev_deinit (vlib_main_t *, vnet_dev_t *);
 522 vnet_dev_rv_t vnet_dev_reset (vlib_main_t *, vnet_dev_t *);
 523 void vnet_dev_detach (vlib_main_t *, vnet_dev_t *);
 524 vnet_dev_rv_t vnet_dev_port_add (vlib_main_t *, vnet_dev_t *,
 525                                  vnet_dev_port_id_t,
 526                                  vnet_dev_port_add_args_t *);
 527 vnet_dev_rv_t vnet_dev_dma_mem_alloc (vlib_main_t *, vnet_dev_t *, u32, u32,
 528                                       void **);
 529 void vnet_dev_dma_mem_free (vlib_main_t *, vnet_dev_t *, void *);
 530 vnet_dev_bus_t *vnet_dev_find_device_bus (vlib_main_t *, vnet_dev_device_id_t);
 531 void *vnet_dev_get_device_info (vlib_main_t *, vnet_dev_device_id_t);
 532
 533 /* error.c */
 534 clib_error_t *vnet_dev_port_err (vlib_main_t *, vnet_dev_port_t *,
 535                                  vnet_dev_rv_t, char *, ...);
 536
 537 /* handlers.c */
 538 clib_error_t *vnet_dev_port_set_max_frame_size (vnet_main_t *,
 539                                                 vnet_hw_interface_t *, u32);
 540 u32 vnet_dev_port_eth_flag_change (vnet_main_t *, vnet_hw_interface_t *, u32);
 541 clib_error_t *vnet_dev_port_mac_change (vnet_hw_interface_t *, const u8 *,
 542                                         const u8 *);
 543 clib_error_t *vnet_dev_add_del_mac_address (vnet_hw_interface_t *, const u8 *,
 544                                             u8);
 545 int vnet_dev_flow_ops_fn (vnet_main_t *, vnet_flow_dev_op_t, u32, u32,
 546                           uword *);
 547 clib_error_t *vnet_dev_interface_set_rss_queues (vnet_main_t *,
 548                                                  vnet_hw_interface_t *,
 549                                                  clib_bitmap_t *);
 550 void vnet_dev_clear_hw_interface_counters (u32);
 551 void vnet_dev_set_interface_next_node (vnet_main_t *, u32, u32);
 552
 553 /* port.c */
 554 vnet_dev_rv_t vnet_dev_port_start (vlib_main_t *, vnet_dev_port_t *);
 555 vnet_dev_rv_t vnet_dev_port_start_all_rx_queues (vlib_main_t *,
 556                                                  vnet_dev_port_t *);
 557 vnet_dev_rv_t vnet_dev_port_start_all_tx_queues (vlib_main_t *,
 558                                                  vnet_dev_port_t *);
 559 void vnet_dev_port_stop (vlib_main_t *, vnet_dev_port_t *);
 560 void vnet_dev_port_deinit (vlib_main_t *, vnet_dev_port_t *);
 561 void vnet_dev_port_free (vlib_main_t *, vnet_dev_port_t *);
 562 void vnet_dev_port_add_counters (vlib_main_t *, vnet_dev_port_t *,
 563                                  vnet_dev_counter_t *, u16);
 564 void vnet_dev_port_free_counters (vlib_main_t *, vnet_dev_port_t *);
 565 void vnet_dev_port_update_tx_node_runtime (vlib_main_t *, vnet_dev_port_t *);
 566 void vnet_dev_port_state_change (vlib_main_t *, vnet_dev_port_t *,
 567                                  vnet_dev_port_state_changes_t);
 568 void vnet_dev_port_clear_counters (vlib_main_t *, vnet_dev_port_t *);
 569 vnet_dev_rv_t
 570 vnet_dev_port_cfg_change_req_validate (vlib_main_t *, vnet_dev_port_t *,
 571                                        vnet_dev_port_cfg_change_req_t *);
 572 vnet_dev_rv_t vnet_dev_port_cfg_change (vlib_main_t *, vnet_dev_port_t *,
 573                                         vnet_dev_port_cfg_change_req_t *);
 574 vnet_dev_rv_t vnet_dev_port_if_create (vlib_main_t *, vnet_dev_port_t *);
 575 vnet_dev_rv_t vnet_dev_port_if_remove (vlib_main_t *, vnet_dev_port_t *);
 576
 577 /* queue.c */
 578 vnet_dev_rv_t vnet_dev_rx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
 579 vnet_dev_rv_t vnet_dev_tx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
 580 void vnet_dev_rx_queue_free (vlib_main_t *, vnet_dev_rx_queue_t *);
 581 void vnet_dev_tx_queue_free (vlib_main_t *, vnet_dev_tx_queue_t *);
 582 void vnet_dev_rx_queue_add_counters (vlib_main_t *, vnet_dev_rx_queue_t *,
 583                                      vnet_dev_counter_t *, u16);
 584 void vnet_dev_rx_queue_free_counters (vlib_main_t *, vnet_dev_rx_queue_t *);
 585 void vnet_dev_tx_queue_add_counters (vlib_main_t *, vnet_dev_tx_queue_t *,
 586                                      vnet_dev_counter_t *, u16);
 587 void vnet_dev_tx_queue_free_counters (vlib_main_t *, vnet_dev_tx_queue_t *);
 588 vnet_dev_rv_t vnet_dev_rx_queue_start (vlib_main_t *, vnet_dev_rx_queue_t *);
 589 vnet_dev_rv_t vnet_dev_tx_queue_start (vlib_main_t *, vnet_dev_tx_queue_t *);
 590 void vnet_dev_rx_queue_stop (vlib_main_t *, vnet_dev_rx_queue_t *);
 591 void vnet_dev_tx_queue_stop (vlib_main_t *, vnet_dev_tx_queue_t *);
 592
 593 /* process.c */
 594 vnet_dev_rv_t vnet_dev_process_create (vlib_main_t *, vnet_dev_t *);
 595 vnet_dev_rv_t vnet_dev_process_call_op (vlib_main_t *, vnet_dev_t *,
 596                                         vnet_dev_op_t *);
 597 vnet_dev_rv_t vnet_dev_process_call_op_no_rv (vlib_main_t *, vnet_dev_t *,
 598                                               vnet_dev_op_no_rv_t *);
 599 void vnet_dev_process_call_op_no_wait (vlib_main_t *, vnet_dev_t *,
 600                                        vnet_dev_op_no_rv_t *);
 601 vnet_dev_rv_t vnet_dev_process_call_port_op (vlib_main_t *, vnet_dev_port_t *,
 602                                              vnet_dev_port_op_t *);
 603 vnet_dev_rv_t vnet_dev_process_call_port_op_no_rv (vlib_main_t *vm,
 604                                                    vnet_dev_port_t *,
 605                                                    vnet_dev_port_op_no_rv_t *);
 606 void vnet_dev_process_call_port_op_no_wait (vlib_main_t *, vnet_dev_port_t *,
 607                                             vnet_dev_port_op_no_rv_t *);
 608 vnet_dev_rv_t
 609 vnet_dev_process_port_cfg_change_req (vlib_main_t *, vnet_dev_port_t *,
 610                                       vnet_dev_port_cfg_change_req_t *);
 611 void vnet_dev_process_quit (vlib_main_t *, vnet_dev_t *);
 612 void vnet_dev_poll_dev_add (vlib_main_t *, vnet_dev_t *, f64,
 613                             vnet_dev_op_no_rv_t *);
 614 void vnet_dev_poll_dev_remove (vlib_main_t *, vnet_dev_t *,
 615                                vnet_dev_op_no_rv_t *);
 616 void vnet_dev_poll_port_add (vlib_main_t *, vnet_dev_port_t *, f64,
 617                              vnet_dev_port_op_no_rv_t *);
 618 void vnet_dev_poll_port_remove (vlib_main_t *, vnet_dev_port_t *,
 619                                 vnet_dev_port_op_no_rv_t *);
 620
 621 typedef struct
 622 {
 623   u16 thread_index;
 624   u8 completed;
 625   u8 in_order;
 626   vnet_dev_port_t *port;
 627 } vnet_dev_rt_op_t;
 628
 629 vnet_dev_rv_t vnet_dev_rt_exec_ops (vlib_main_t *, vnet_dev_t *,
 630                                     vnet_dev_rt_op_t *, u32);
 631
 632 /* format.c */
 633 typedef struct
 634 {
 635   u8 counters : 1;
 636   u8 show_zero_counters : 1;
 637   u8 debug : 1;
 638 } vnet_dev_format_args_t;
 639
 640 format_function_t format_vnet_dev_addr;
 641 format_function_t format_vnet_dev_flags;
 642 format_function_t format_vnet_dev_hw_addr;
 643 format_function_t format_vnet_dev_info;
 644 format_function_t format_vnet_dev_interface_info;
 645 format_function_t format_vnet_dev_interface_name;
 646 format_function_t format_vnet_dev_log;
 647 format_function_t format_vnet_dev_port_caps;
 648 format_function_t format_vnet_dev_port_flags;
 649 format_function_t format_vnet_dev_port_info;
 650 format_function_t format_vnet_dev_port_rx_offloads;
 651 format_function_t format_vnet_dev_port_tx_offloads;
 652 format_function_t format_vnet_dev_rv;
 653 format_function_t format_vnet_dev_rx_queue_info;
 654 format_function_t format_vnet_dev_tx_queue_info;
 655 unformat_function_t unformat_vnet_dev_flags;
 656 unformat_function_t unformat_vnet_dev_port_flags;
 657
 658 typedef struct
 659 {
 660   vnet_dev_rx_queue_t *first_rx_queue;
 661 } vnet_dev_rx_node_runtime_t;
 662
 663 STATIC_ASSERT (sizeof (vnet_dev_rx_node_runtime_t) <=
 664                  VLIB_NODE_RUNTIME_DATA_SIZE,
 665                "must fit into runtime data");
 666
 667 #define foreach_vnet_dev_port_rx_next                                         \
 668   _ (ETH_INPUT, "ethernet-input")                                             \
 669   _ (DROP, "error-drop")
 670
 671 typedef enum
 672 {
 673 #define _(n, s) VNET_DEV_ETH_RX_PORT_NEXT_##n,
 674   foreach_vnet_dev_port_rx_next
 675 #undef _
 676     VNET_DEV_ETH_RX_PORT_N_NEXTS
 677 } vnet_dev_eth_port_rx_next_t;
 678
 679 extern u16 vnet_dev_default_next_index_by_port_type[];
 680 extern vlib_node_registration_t port_rx_eth_node;
 681
 682 typedef vnet_interface_output_runtime_t vnet_dev_tx_node_runtime_t;
 683
 684 STATIC_ASSERT (sizeof (vnet_dev_tx_node_runtime_t) <=
 685                  VLIB_NODE_RUNTIME_DATA_SIZE,
 686                "must fit into runtime data");
 687
 688 #define VNET_DEV_REGISTER_BUS(x, ...)                                         \
 689   __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x;    \
 690   static void __clib_constructor __vnet_dev_bus_registration_fn_##x (void)    \
 691   {                                                                           \
 692     vnet_dev_main_t *dm = &vnet_dev_main;                                     \
 693     __vnet_dev_bus_registration_##x.next_registration =                       \
 694       dm->bus_registrations;                                                  \
 695     dm->bus_registrations = &__vnet_dev_bus_registration_##x;                 \
 696   }                                                                           \
 697   __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x
 698
 699 #define VNET_DEV_REGISTER_DRIVER(x, ...)                                      \
 700   __VA_ARGS__ vnet_dev_driver_registration_t                                  \
 701     __vnet_dev_driver_registration_##x;                                       \
 702   static void __clib_constructor __vnet_dev_driver_registration_fn_##x (void) \
 703   {                                                                           \
 704     vnet_dev_main_t *dm = &vnet_dev_main;                                     \
 705     __vnet_dev_driver_registration_##x.next_registration =                    \
 706       dm->driver_registrations;                                               \
 707     dm->driver_registrations = &__vnet_dev_driver_registration_##x;           \
 708   }                                                                           \
 709   __VA_ARGS__ vnet_dev_driver_registration_t __vnet_dev_driver_registration_##x
 710
 711 #define VNET_DEV_NODE_FN(node)                                                \
 712   uword CLIB_MARCH_SFX (node##_fn) (vlib_main_t *, vlib_node_runtime_t *,     \
 713                                     vlib_frame_t *);                          \
 714   static vlib_node_fn_registration_t CLIB_MARCH_SFX (                         \
 715     node##_fn_registration) = {                                               \
 716     .function = &CLIB_MARCH_SFX (node##_fn),                                  \
 717   };                                                                          \
 718                                                                               \
 719   static void __clib_constructor CLIB_MARCH_SFX (                             \
 720     node##_fn_multiarch_register) (void)                                      \
 721   {                                                                           \
 722     extern vnet_dev_node_t node;                                              \
 723     vlib_node_fn_registration_t *r;                                           \
 724     r = &CLIB_MARCH_SFX (node##_fn_registration);                             \
 725     r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE);              \
 726     r->next_registration = (node).registrations;                              \
 727     (node).registrations = r;                                                 \
 728   }                                                                           \
 729   uword CLIB_MARCH_SFX (node##_fn)
 730
 731 #define foreach_vnet_dev_port(p, d) pool_foreach_pointer (p, d->ports)
 732 #define foreach_vnet_dev_port_rx_queue(q, p)                                  \
 733   pool_foreach_pointer (q, p->rx_queues)
 734 #define foreach_vnet_dev_port_tx_queue(q, p)                                  \
 735   pool_foreach_pointer (q, p->tx_queues)
 736
 737 #include <vnet/dev/dev_funcs.h>
 738
 739 #endif /* _VNET_DEV_H_ */