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   format_function_t *format_info;
 119 } vnet_dev_rx_queue_ops_t;
 120
 121 typedef struct
 122 {
 123   vnet_dev_tx_queue_op_t *alloc;
 124   vnet_dev_tx_queue_op_t *start;
 125   vnet_dev_tx_queue_op_no_rv_t *stop;
 126   vnet_dev_tx_queue_op_no_rv_t *free;
 127   format_function_t *format_info;
 128 } vnet_dev_tx_queue_ops_t;
 129
 130 typedef struct
 131 {
 132   u16 data_size;
 133   u16 min_size;
 134   u16 max_size;
 135   u16 default_size;
 136   u8 multiplier;
 137   u8 size_is_power_of_two : 1;
 138 } vnet_dev_queue_config_t;
 139
 140 #define foreach_vnet_dev_port_cfg_type                                        \
 141   _ (PROMISC_MODE)                                                            \
 142   _ (MAX_RX_FRAME_SIZE)                                                       \
 143   _ (CHANGE_PRIMARY_HW_ADDR)                                                  \
 144   _ (ADD_SECONDARY_HW_ADDR)                                                   \
 145   _ (REMOVE_SECONDARY_HW_ADDR)                                                \
 146   _ (RXQ_INTR_MODE_ENABLE)                                                    \
 147   _ (RXQ_INTR_MODE_DISABLE)
 148
 149 typedef enum
 150 {
 151   VNET_DEV_PORT_CFG_UNKNOWN,
 152 #define _(n) VNET_DEV_PORT_CFG_##n,
 153   foreach_vnet_dev_port_cfg_type
 154 #undef _
 155 } __clib_packed vnet_dev_port_cfg_type_t;
 156
 157 typedef struct vnet_dev_port_cfg_change_req
 158 {
 159   vnet_dev_port_cfg_type_t type;
 160   u8 validated : 1;
 161   u8 all_queues : 1;
 162
 163   union
 164   {
 165     u8 promisc : 1;
 166     vnet_dev_hw_addr_t addr;
 167     u16 max_rx_frame_size;
 168     vnet_dev_queue_id_t queue_id;
 169   };
 170
 171 } vnet_dev_port_cfg_change_req_t;
 172
 173 typedef struct
 174 {
 175   vnet_dev_hw_addr_t hw_addr;
 176   u16 max_rx_queues;
 177   u16 max_tx_queues;
 178   u16 max_supported_rx_frame_size;
 179   vnet_dev_port_type_t type;
 180   vnet_dev_port_caps_t caps;
 181   vnet_dev_port_rx_offloads_t rx_offloads;
 182   vnet_dev_port_tx_offloads_t tx_offloads;
 183 } vnet_dev_port_attr_t;
 184
 185 typedef enum
 186 {
 187   VNET_DEV_PERIODIC_OP_TYPE_DEV = 1,
 188   VNET_DEV_PERIODIC_OP_TYPE_PORT = 2,
 189 } __clib_packed vnet_dev_periodic_op_type_t;
 190
 191 typedef struct
 192 {
 193   f64 interval;
 194   f64 last_run;
 195   vnet_dev_periodic_op_type_t type;
 196   union
 197   {
 198     vnet_dev_t *dev;
 199     vnet_dev_port_t *port;
 200     void *arg;
 201   };
 202   union
 203   {
 204     vnet_dev_op_no_rv_t *dev_op;
 205     vnet_dev_port_op_no_rv_t *port_op;
 206     void *op;
 207   };
 208 } vnet_dev_periodic_op_t;
 209
 210 typedef struct
 211 {
 212   struct _vlib_node_fn_registration *registrations;
 213   format_function_t *format_trace;
 214   vlib_error_desc_t *error_counters;
 215   u16 n_error_counters;
 216 } vnet_dev_node_t;
 217
 218 typedef struct
 219 {
 220   vnet_dev_op_t *alloc;
 221   vnet_dev_op_t *init;
 222   vnet_dev_op_no_rv_t *deinit;
 223   vnet_dev_op_t *reset;
 224   vnet_dev_op_no_rv_t *free;
 225   u8 *(*probe) (vlib_main_t *, vnet_dev_bus_index_t, void *);
 226   format_function_t *format_info;
 227 } vnet_dev_ops_t;
 228
 229 typedef struct
 230 {
 231   vnet_dev_port_op_t *alloc;
 232   vnet_dev_port_op_t *init;
 233   vnet_dev_port_cfg_change_op_t *config_change;
 234   vnet_dev_port_cfg_change_op_t *config_change_validate;
 235   vnet_dev_port_op_t *start;
 236   vnet_dev_port_op_no_rv_t *stop;
 237   vnet_dev_port_op_no_rv_t *deinit;
 238   vnet_dev_port_op_no_rv_t *free;
 239   format_function_t *format_status;
 240 } vnet_dev_port_ops_t;
 241
 242 typedef union
 243 {
 244   struct
 245   {
 246     u8 update_next_index : 1;
 247     u8 update_feature_arc : 1;
 248     u8 suspend_off : 1;
 249     u8 suspend_on : 1;
 250   };
 251   u8 as_number;
 252 } vnet_dev_rx_queue_rt_req_t;
 253
 254 typedef struct vnet_dev_rx_queue
 255 {
 256   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 257   vnet_dev_port_t *port;
 258   u16 rx_thread_index;
 259   u16 index;
 260   vnet_dev_counter_main_t *counter_main;
 261   CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
 262   vnet_dev_rx_queue_t *next_on_thread;
 263   u8 interrupt_mode : 1;
 264   u8 enabled : 1;
 265   u8 started : 1;
 266   u8 suspended : 1;
 267   vnet_dev_queue_id_t queue_id;
 268   u16 size;
 269   u16 next_index;
 270   vnet_dev_rx_queue_rt_req_t runtime_request;
 271   CLIB_CACHE_LINE_ALIGN_MARK (runtime1);
 272   vlib_buffer_template_t buffer_template;
 273   CLIB_CACHE_LINE_ALIGN_MARK (driver_data);
 274   u8 data[];
 275 } vnet_dev_rx_queue_t;
 276
 277 STATIC_ASSERT_SIZEOF (vnet_dev_rx_queue_t, 3 * CLIB_CACHE_LINE_BYTES);
 278
 279 typedef struct vnet_dev_tx_queue
 280 {
 281   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 282   vnet_dev_port_t *port;
 283   clib_bitmap_t *assigned_threads;
 284   u16 index;
 285   vnet_dev_counter_main_t *counter_main;
 286   CLIB_CACHE_LINE_ALIGN_MARK (runtime0);
 287   vnet_dev_queue_id_t queue_id;
 288   u8 started : 1;
 289   u8 enabled : 1;
 290   u8 lock_needed : 1;
 291   u8 lock;
 292   u16 size;
 293   CLIB_ALIGN_MARK (private_data, 16);
 294   u8 data[];
 295 } vnet_dev_tx_queue_t;
 296
 297 STATIC_ASSERT_SIZEOF (vnet_dev_tx_queue_t, 2 * CLIB_CACHE_LINE_BYTES);
 298
 299 typedef struct vnet_dev_port
 300 {
 301   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 302   vnet_dev_t *dev;
 303   vnet_dev_port_id_t port_id;
 304   vnet_dev_driver_index_t driver_index;
 305   u8 initialized : 1;
 306   u8 started : 1;
 307   u8 link_up : 1;
 308   u8 promisc : 1;
 309   u8 interface_created : 1;
 310   u8 rx_node_assigned : 1;
 311   vnet_dev_counter_main_t *counter_main;
 312   vnet_dev_queue_config_t rx_queue_config;
 313   vnet_dev_queue_config_t tx_queue_config;
 314   vnet_dev_port_attr_t attr;
 315   u32 max_rx_frame_size;
 316   vnet_dev_hw_addr_t primary_hw_addr;
 317   vnet_dev_hw_addr_t *secondary_hw_addr;
 318   u32 index;
 319   u32 speed;
 320   vnet_dev_rx_queue_t **rx_queues;
 321   vnet_dev_tx_queue_t **tx_queues;
 322   vnet_dev_port_ops_t port_ops;
 323   vnet_dev_arg_t *args;
 324   vnet_dev_rx_queue_ops_t rx_queue_ops;
 325   vnet_dev_tx_queue_ops_t tx_queue_ops;
 326   vnet_dev_node_t rx_node;
 327   vnet_dev_node_t tx_node;
 328
 329   struct
 330   {
 331     vnet_dev_if_name_t name;
 332     u32 dev_instance;
 333     u32 rx_node_index;
 334     u32 current_config_index;
 335     u16 rx_next_index;
 336     u16 redirect_to_node_next_index;
 337     u8 feature_arc_index;
 338     u8 feature_arc : 1;
 339     u8 redirect_to_node : 1;
 340     u8 default_is_intr_mode : 1;
 341     u32 tx_node_index;
 342     u32 hw_if_index;
 343     u32 sw_if_index;
 344     u16 num_rx_queues;
 345     u16 num_tx_queues;
 346     u16 txq_sz;
 347     u16 rxq_sz;
 348   } intf;
 349
 350   CLIB_CACHE_LINE_ALIGN_MARK (data0);
 351   u8 data[];
 352 } vnet_dev_port_t;
 353
 354 typedef struct vnet_dev
 355 {
 356   vnet_dev_device_id_t device_id;
 357   u16 initialized : 1;
 358   u16 not_first_init : 1;
 359   u16 va_dma : 1;
 360   u16 process_node_quit : 1;
 361   u16 process_node_periodic : 1;
 362   u16 poll_stats : 1;
 363   u16 bus_index;
 364   u8 numa_node;
 365   u16 max_rx_queues;
 366   u16 max_tx_queues;
 367   vnet_dev_driver_index_t driver_index;
 368   u32 index;
 369   u32 process_node_index;
 370   u8 bus_data[32] __clib_aligned (16);
 371   vnet_dev_ops_t ops;
 372   vnet_dev_port_t **ports;
 373   vnet_dev_periodic_op_t *periodic_ops;
 374   u8 *description;
 375   vnet_dev_arg_t *args;
 376   u8 __clib_aligned (16)
 377   data[];
 378 } vnet_dev_t;
 379
 380 typedef struct
 381 {
 382   u16 vendor_id, device_id;
 383   char *description;
 384 } vnet_dev_match_t;
 385
 386 #define VNET_DEV_MATCH(...)                                                   \
 387   (vnet_dev_match_t[])                                                        \
 388   {                                                                           \
 389     __VA_ARGS__, {}                                                           \
 390   }
 391
 392 typedef struct
 393 {
 394   vnet_dev_op_t *device_open;
 395   vnet_dev_op_no_rv_t *device_close;
 396   vnet_dev_rv_t (*dma_mem_alloc_fn) (vlib_main_t *, vnet_dev_t *, u32, u32,
 397                                      void **);
 398   void (*dma_mem_free_fn) (vlib_main_t *, vnet_dev_t *, void *);
 399   void *(*get_device_info) (vlib_main_t *, char *);
 400   void (*free_device_info) (vlib_main_t *, void *);
 401   format_function_t *format_device_info;
 402   format_function_t *format_device_addr;
 403 } vnet_dev_bus_ops_t;
 404
 405 struct vnet_dev_bus_registration
 406 {
 407   vnet_dev_bus_registration_t *next_registration;
 408   vnet_dev_driver_name_t name;
 409   u16 device_data_size;
 410   vnet_dev_bus_ops_t ops;
 411 };
 412
 413 struct vnet_dev_driver_registration
 414 {
 415   vnet_dev_driver_registration_t *next_registration;
 416   u8 bus_master_enable : 1;
 417   vnet_dev_driver_name_t name;
 418   vnet_dev_bus_name_t bus;
 419   u16 device_data_sz;
 420   u16 runtime_temp_space_sz;
 421   vnet_dev_match_t *match;
 422   int priority;
 423   vnet_dev_ops_t ops;
 424   vnet_dev_arg_t *args;
 425 };
 426
 427 typedef struct
 428 {
 429   u32 index;
 430   vnet_dev_bus_registration_t *registration;
 431   vnet_dev_bus_ops_t ops;
 432 } vnet_dev_bus_t;
 433
 434 typedef struct
 435 {
 436   u32 index;
 437   void *dev_data;
 438   vnet_dev_driver_registration_t *registration;
 439   u32 dev_class_index;
 440   vnet_dev_bus_index_t bus_index;
 441   vnet_dev_ops_t ops;
 442 } vnet_dev_driver_t;
 443
 444 typedef struct
 445 {
 446   vnet_dev_bus_t *buses;
 447   vnet_dev_driver_t *drivers;
 448   vnet_dev_t **devices;
 449   vnet_dev_port_t **ports_by_dev_instance;
 450   vnet_dev_bus_registration_t *bus_registrations;
 451   vnet_dev_driver_registration_t *driver_registrations;
 452   void *runtime_temp_spaces;
 453   u32 log2_runtime_temp_space_sz;
 454   u32 *free_process_node_indices;
 455   u32 *free_rx_node_indices;
 456   uword *device_index_by_id;
 457
 458   u8 *startup_config;
 459   u16 next_rx_queue_thread;
 460   u8 eth_port_rx_feature_arc_index;
 461 } vnet_dev_main_t;
 462
 463 extern vnet_dev_main_t vnet_dev_main;
 464
 465 typedef struct
 466 {
 467   struct
 468   {
 469     vnet_dev_port_attr_t attr;
 470     vnet_dev_port_ops_t ops;
 471     vnet_dev_arg_t *args;
 472     u16 data_size;
 473     void *initial_data;
 474   } port;
 475
 476   vnet_dev_node_t *rx_node;
 477   vnet_dev_node_t *tx_node;
 478
 479   struct
 480   {
 481     vnet_dev_queue_config_t config;
 482     vnet_dev_rx_queue_ops_t ops;
 483   } rx_queue;
 484
 485   struct
 486   {
 487     vnet_dev_queue_config_t config;
 488     vnet_dev_tx_queue_ops_t ops;
 489   } tx_queue;
 490 } vnet_dev_port_add_args_t;
 491
 492 typedef struct
 493 {
 494   union
 495   {
 496     struct
 497     {
 498       u8 link_speed : 1;
 499       u8 link_state : 1;
 500       u8 link_duplex : 1;
 501     };
 502     u8 any;
 503   } change;
 504   u8 link_state : 1;
 505   u8 full_duplex : 1;
 506   u32 link_speed;
 507 } vnet_dev_port_state_changes_t;
 508
 509 /* args.c */
 510 vnet_dev_rv_t vnet_dev_arg_parse (vlib_main_t *, vnet_dev_t *,
 511                                   vnet_dev_arg_t *, u8 *);
 512 void vnet_dev_arg_free (vnet_dev_arg_t **);
 513 void vnet_dev_arg_clear_value (vnet_dev_arg_t *);
 514 format_function_t format_vnet_dev_arg_type;
 515 format_function_t format_vnet_dev_arg_value;
 516 format_function_t format_vnet_dev_args;
 517
 518 /* dev.c */
 519 vnet_dev_t *vnet_dev_alloc (vlib_main_t *, vnet_dev_device_id_t,
 520                             vnet_dev_driver_t *);
 521 void vnet_dev_free (vlib_main_t *, vnet_dev_t *);
 522 vnet_dev_rv_t vnet_dev_init (vlib_main_t *, vnet_dev_t *);
 523 void vnet_dev_deinit (vlib_main_t *, vnet_dev_t *);
 524 vnet_dev_rv_t vnet_dev_reset (vlib_main_t *, vnet_dev_t *);
 525 void vnet_dev_detach (vlib_main_t *, vnet_dev_t *);
 526 vnet_dev_rv_t vnet_dev_port_add (vlib_main_t *, vnet_dev_t *,
 527                                  vnet_dev_port_id_t,
 528                                  vnet_dev_port_add_args_t *);
 529 vnet_dev_rv_t vnet_dev_dma_mem_alloc (vlib_main_t *, vnet_dev_t *, u32, u32,
 530                                       void **);
 531 void vnet_dev_dma_mem_free (vlib_main_t *, vnet_dev_t *, void *);
 532 vnet_dev_bus_t *vnet_dev_find_device_bus (vlib_main_t *, vnet_dev_device_id_t);
 533 void *vnet_dev_get_device_info (vlib_main_t *, vnet_dev_device_id_t);
 534
 535 /* error.c */
 536 clib_error_t *vnet_dev_port_err (vlib_main_t *, vnet_dev_port_t *,
 537                                  vnet_dev_rv_t, char *, ...);
 538
 539 /* handlers.c */
 540 clib_error_t *vnet_dev_port_set_max_frame_size (vnet_main_t *,
 541                                                 vnet_hw_interface_t *, u32);
 542 u32 vnet_dev_port_eth_flag_change (vnet_main_t *, vnet_hw_interface_t *, u32);
 543 clib_error_t *vnet_dev_port_mac_change (vnet_hw_interface_t *, const u8 *,
 544                                         const u8 *);
 545 clib_error_t *vnet_dev_add_del_mac_address (vnet_hw_interface_t *, const u8 *,
 546                                             u8);
 547 int vnet_dev_flow_ops_fn (vnet_main_t *, vnet_flow_dev_op_t, u32, u32,
 548                           uword *);
 549 clib_error_t *vnet_dev_interface_set_rss_queues (vnet_main_t *,
 550                                                  vnet_hw_interface_t *,
 551                                                  clib_bitmap_t *);
 552 void vnet_dev_clear_hw_interface_counters (u32);
 553 void vnet_dev_set_interface_next_node (vnet_main_t *, u32, u32);
 554
 555 /* port.c */
 556 vnet_dev_rv_t vnet_dev_port_start (vlib_main_t *, vnet_dev_port_t *);
 557 vnet_dev_rv_t vnet_dev_port_start_all_rx_queues (vlib_main_t *,
 558                                                  vnet_dev_port_t *);
 559 vnet_dev_rv_t vnet_dev_port_start_all_tx_queues (vlib_main_t *,
 560                                                  vnet_dev_port_t *);
 561 void vnet_dev_port_stop (vlib_main_t *, vnet_dev_port_t *);
 562 void vnet_dev_port_deinit (vlib_main_t *, vnet_dev_port_t *);
 563 void vnet_dev_port_free (vlib_main_t *, vnet_dev_port_t *);
 564 void vnet_dev_port_add_counters (vlib_main_t *, vnet_dev_port_t *,
 565                                  vnet_dev_counter_t *, u16);
 566 void vnet_dev_port_free_counters (vlib_main_t *, vnet_dev_port_t *);
 567 void vnet_dev_port_update_tx_node_runtime (vlib_main_t *, vnet_dev_port_t *);
 568 void vnet_dev_port_state_change (vlib_main_t *, vnet_dev_port_t *,
 569                                  vnet_dev_port_state_changes_t);
 570 void vnet_dev_port_clear_counters (vlib_main_t *, vnet_dev_port_t *);
 571 vnet_dev_rv_t
 572 vnet_dev_port_cfg_change_req_validate (vlib_main_t *, vnet_dev_port_t *,
 573                                        vnet_dev_port_cfg_change_req_t *);
 574 vnet_dev_rv_t vnet_dev_port_cfg_change (vlib_main_t *, vnet_dev_port_t *,
 575                                         vnet_dev_port_cfg_change_req_t *);
 576 vnet_dev_rv_t vnet_dev_port_if_create (vlib_main_t *, vnet_dev_port_t *);
 577 vnet_dev_rv_t vnet_dev_port_if_remove (vlib_main_t *, vnet_dev_port_t *);
 578
 579 /* queue.c */
 580 vnet_dev_rv_t vnet_dev_rx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
 581 vnet_dev_rv_t vnet_dev_tx_queue_alloc (vlib_main_t *, vnet_dev_port_t *, u16);
 582 void vnet_dev_rx_queue_free (vlib_main_t *, vnet_dev_rx_queue_t *);
 583 void vnet_dev_tx_queue_free (vlib_main_t *, vnet_dev_tx_queue_t *);
 584 void vnet_dev_rx_queue_add_counters (vlib_main_t *, vnet_dev_rx_queue_t *,
 585                                      vnet_dev_counter_t *, u16);
 586 void vnet_dev_rx_queue_free_counters (vlib_main_t *, vnet_dev_rx_queue_t *);
 587 void vnet_dev_tx_queue_add_counters (vlib_main_t *, vnet_dev_tx_queue_t *,
 588                                      vnet_dev_counter_t *, u16);
 589 void vnet_dev_tx_queue_free_counters (vlib_main_t *, vnet_dev_tx_queue_t *);
 590 vnet_dev_rv_t vnet_dev_rx_queue_start (vlib_main_t *, vnet_dev_rx_queue_t *);
 591 vnet_dev_rv_t vnet_dev_tx_queue_start (vlib_main_t *, vnet_dev_tx_queue_t *);
 592 void vnet_dev_rx_queue_stop (vlib_main_t *, vnet_dev_rx_queue_t *);
 593 void vnet_dev_tx_queue_stop (vlib_main_t *, vnet_dev_tx_queue_t *);
 594
 595 /* process.c */
 596 vnet_dev_rv_t vnet_dev_process_create (vlib_main_t *, vnet_dev_t *);
 597 vnet_dev_rv_t vnet_dev_process_call_op (vlib_main_t *, vnet_dev_t *,
 598                                         vnet_dev_op_t *);
 599 vnet_dev_rv_t vnet_dev_process_call_op_no_rv (vlib_main_t *, vnet_dev_t *,
 600                                               vnet_dev_op_no_rv_t *);
 601 void vnet_dev_process_call_op_no_wait (vlib_main_t *, vnet_dev_t *,
 602                                        vnet_dev_op_no_rv_t *);
 603 vnet_dev_rv_t vnet_dev_process_call_port_op (vlib_main_t *, vnet_dev_port_t *,
 604                                              vnet_dev_port_op_t *);
 605 vnet_dev_rv_t vnet_dev_process_call_port_op_no_rv (vlib_main_t *vm,
 606                                                    vnet_dev_port_t *,
 607                                                    vnet_dev_port_op_no_rv_t *);
 608 void vnet_dev_process_call_port_op_no_wait (vlib_main_t *, vnet_dev_port_t *,
 609                                             vnet_dev_port_op_no_rv_t *);
 610 vnet_dev_rv_t
 611 vnet_dev_process_port_cfg_change_req (vlib_main_t *, vnet_dev_port_t *,
 612                                       vnet_dev_port_cfg_change_req_t *);
 613 void vnet_dev_process_quit (vlib_main_t *, vnet_dev_t *);
 614 void vnet_dev_poll_dev_add (vlib_main_t *, vnet_dev_t *, f64,
 615                             vnet_dev_op_no_rv_t *);
 616 void vnet_dev_poll_dev_remove (vlib_main_t *, vnet_dev_t *,
 617                                vnet_dev_op_no_rv_t *);
 618 void vnet_dev_poll_port_add (vlib_main_t *, vnet_dev_port_t *, f64,
 619                              vnet_dev_port_op_no_rv_t *);
 620 void vnet_dev_poll_port_remove (vlib_main_t *, vnet_dev_port_t *,
 621                                 vnet_dev_port_op_no_rv_t *);
 622
 623 typedef struct
 624 {
 625   u16 thread_index;
 626   u8 completed;
 627   u8 in_order;
 628   vnet_dev_port_t *port;
 629 } vnet_dev_rt_op_t;
 630
 631 vnet_dev_rv_t vnet_dev_rt_exec_ops (vlib_main_t *, vnet_dev_t *,
 632                                     vnet_dev_rt_op_t *, u32);
 633
 634 /* format.c */
 635 typedef struct
 636 {
 637   u8 counters : 1;
 638   u8 show_zero_counters : 1;
 639   u8 debug : 1;
 640 } vnet_dev_format_args_t;
 641
 642 format_function_t format_vnet_dev_addr;
 643 format_function_t format_vnet_dev_flags;
 644 format_function_t format_vnet_dev_hw_addr;
 645 format_function_t format_vnet_dev_info;
 646 format_function_t format_vnet_dev_interface_info;
 647 format_function_t format_vnet_dev_interface_name;
 648 format_function_t format_vnet_dev_log;
 649 format_function_t format_vnet_dev_port_caps;
 650 format_function_t format_vnet_dev_port_flags;
 651 format_function_t format_vnet_dev_port_info;
 652 format_function_t format_vnet_dev_port_rx_offloads;
 653 format_function_t format_vnet_dev_port_tx_offloads;
 654 format_function_t format_vnet_dev_rv;
 655 format_function_t format_vnet_dev_rx_queue_info;
 656 format_function_t format_vnet_dev_tx_queue_info;
 657 unformat_function_t unformat_vnet_dev_flags;
 658 unformat_function_t unformat_vnet_dev_port_flags;
 659
 660 typedef struct
 661 {
 662   vnet_dev_rx_queue_t *first_rx_queue;
 663 } vnet_dev_rx_node_runtime_t;
 664
 665 STATIC_ASSERT (sizeof (vnet_dev_rx_node_runtime_t) <=
 666                  VLIB_NODE_RUNTIME_DATA_SIZE,
 667                "must fit into runtime data");
 668
 669 #define foreach_vnet_dev_port_rx_next                                         \
 670   _ (ETH_INPUT, "ethernet-input")                                             \
 671   _ (DROP, "error-drop")
 672
 673 typedef enum
 674 {
 675 #define _(n, s) VNET_DEV_ETH_RX_PORT_NEXT_##n,
 676   foreach_vnet_dev_port_rx_next
 677 #undef _
 678     VNET_DEV_ETH_RX_PORT_N_NEXTS
 679 } vnet_dev_eth_port_rx_next_t;
 680
 681 extern u16 vnet_dev_default_next_index_by_port_type[];
 682 extern vlib_node_registration_t port_rx_eth_node;
 683
 684 typedef vnet_interface_output_runtime_t vnet_dev_tx_node_runtime_t;
 685
 686 STATIC_ASSERT (sizeof (vnet_dev_tx_node_runtime_t) <=
 687                  VLIB_NODE_RUNTIME_DATA_SIZE,
 688                "must fit into runtime data");
 689
 690 #define VNET_DEV_REGISTER_BUS(x, ...)                                         \
 691   __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x;    \
 692   static void __clib_constructor __vnet_dev_bus_registration_fn_##x (void)    \
 693   {                                                                           \
 694     vnet_dev_main_t *dm = &vnet_dev_main;                                     \
 695     __vnet_dev_bus_registration_##x.next_registration =                       \
 696       dm->bus_registrations;                                                  \
 697     dm->bus_registrations = &__vnet_dev_bus_registration_##x;                 \
 698   }                                                                           \
 699   __VA_ARGS__ vnet_dev_bus_registration_t __vnet_dev_bus_registration_##x
 700
 701 #define VNET_DEV_REGISTER_DRIVER(x, ...)                                      \
 702   __VA_ARGS__ vnet_dev_driver_registration_t                                  \
 703     __vnet_dev_driver_registration_##x;                                       \
 704   static void __clib_constructor __vnet_dev_driver_registration_fn_##x (void) \
 705   {                                                                           \
 706     vnet_dev_main_t *dm = &vnet_dev_main;                                     \
 707     __vnet_dev_driver_registration_##x.next_registration =                    \
 708       dm->driver_registrations;                                               \
 709     dm->driver_registrations = &__vnet_dev_driver_registration_##x;           \
 710   }                                                                           \
 711   __VA_ARGS__ vnet_dev_driver_registration_t __vnet_dev_driver_registration_##x
 712
 713 #define VNET_DEV_NODE_FN(node)                                                \
 714   uword CLIB_MARCH_SFX (node##_fn) (vlib_main_t *, vlib_node_runtime_t *,     \
 715                                     vlib_frame_t *);                          \
 716   static vlib_node_fn_registration_t CLIB_MARCH_SFX (                         \
 717     node##_fn_registration) = {                                               \
 718     .function = &CLIB_MARCH_SFX (node##_fn),                                  \
 719   };                                                                          \
 720                                                                               \
 721   static void __clib_constructor CLIB_MARCH_SFX (                             \
 722     node##_fn_multiarch_register) (void)                                      \
 723   {                                                                           \
 724     extern vnet_dev_node_t node;                                              \
 725     vlib_node_fn_registration_t *r;                                           \
 726     r = &CLIB_MARCH_SFX (node##_fn_registration);                             \
 727     r->march_variant = CLIB_MARCH_SFX (CLIB_MARCH_VARIANT_TYPE);              \
 728     r->next_registration = (node).registrations;                              \
 729     (node).registrations = r;                                                 \
 730   }                                                                           \
 731   uword CLIB_MARCH_SFX (node##_fn)
 732
 733 #define foreach_vnet_dev_port(p, d) pool_foreach_pointer (p, d->ports)
 734 #define foreach_vnet_dev_port_rx_queue(q, p)                                  \
 735   pool_foreach_pointer (q, p->rx_queues)
 736 #define foreach_vnet_dev_port_tx_queue(q, p)                                  \
 737   pool_foreach_pointer (q, p->tx_queues)
 738
 739 #include <vnet/dev/dev_funcs.h>
 740
 741 #endif /* _VNET_DEV_H_ */