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