summaryrefslogtreecommitdiffstats
path: root/src/vnet/ipfix-export
diff options
context:
space:
mode:
authorRay Kinsella <mdr@ashroe.eu>2021-09-07 13:45:08 +0100
committerOle Tr�an <otroan@employees.org>2021-09-23 06:57:08 +0000
commit5161c4ab57e21f02c0b1398426927aa212e15e1f (patch)
tree8be118f6faba78230a6622227c8be67020491c77 /src/vnet/ipfix-export
parenta7d2aabae865f6d34a8307896c2ad0056c4984dc (diff)
stats: revert stat_validate_counter_vector3 non-static
This reverts commit c30157811e4c8e870d2680b08ecd3a38dff2d53b. Type: refactor Signed-off-by: Ray Kinsella <mdr@ashroe.eu> Change-Id: Id011c8e5acb1613e09fd339ce614159c0acd651a
Diffstat (limited to 'src/vnet/ipfix-export')
0 files changed, 0 insertions, 0 deletions
' href='#n136'>136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787
/*
 * Copyright (c) 2018 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __included_vmnet_vmnet_h__
#define __included_vmnet_vmnet_h__

#define foreach_vmxnet3_tx_func_error	       \
  _(ERROR_PACKETS, "error packets") \
  _(LINK_DOWN, "link down") \
  _(NO_FREE_SLOTS, "no free tx slots")

typedef enum
{
#define _(f,s) VMXNET3_TX_ERROR_##f,
  foreach_vmxnet3_tx_func_error
#undef _
    VMXNET3_TX_N_ERROR,
} vmxnet3_tx_func_error_t;

#define foreach_vmxnet3_rxmode_flags \
  _(0, UCAST, "unicast") \
  _(1, MCAST, "multicast")		   \
  _(2, BCAST, "broadcast") \
  _(3, ALL_MULTI, "all multicast") \
  _(4, PROMISC, "promiscuous")

enum
{
#define _(a, b, c) VMXNET3_RXMODE_##b = (1 << a),
  foreach_vmxnet3_rxmode_flags
#undef _
};

#define foreach_vmxnet3_show_entry \
  _(RX_COMP, "rx comp") \
  _(RX_DESC0, "rx desc 0") \
  _(RX_DESC1, "rx desc 1") \
  _(TX_COMP, "tx comp") \
  _(TX_DESC, "tx desc")

enum
{
#define _(a, b) VMXNET3_SHOW_##a,
  foreach_vmxnet3_show_entry
#undef _
};

#define foreach_vmxnet3_feature_flags \
  _(0, RXCSUM, "rx checksum") \
  _(1, RSS, "RSS")	   \
  _(2, RXVLAN, "rx VLAN") \
  _(3, LRO, "LRO")

enum
{
#define _(a, b, c) VMXNET3_F_##b = (1 << a),
  foreach_vmxnet3_feature_flags
#undef _
};

#define foreach_vmxnet3_rss_hash_type \
  _(0, IPV4, "ipv4")	   \
  _(1, TCP_IPV4, "tcp ipv4") \
  _(2, IPV6, "ipv6") \
  _(3, TCP_IPV6, "tcp ipv6")

enum
{
#define _(a, b, c) VMXNET3_RSS_HASH_TYPE_##b = (1 << a),
  foreach_vmxnet3_rss_hash_type
#undef _
};

#define VMXNET3_RSS_HASH_FUNC_TOEPLITZ	1
#define VMXNET3_RSS_MAX_KEY_SZ		40
#define VMXNET3_RSS_MAX_IND_TABLE_SZ	128

#define VMXNET3_TXQ_MAX 8
#define VMXNET3_RXQ_MAX 16
#define VMXNET3_TX_START(vd) ((vd)->queues)
#define VMXNET3_RX_START(vd) \
  ((vd)->queues + (vd)->num_tx_queues * sizeof (vmxnet3_tx_queue))

/* BAR 0 */
#define VMXNET3_REG_IMR     0x0000	/* Interrupt Mask Register */
#define VMXNET3_REG_TXPROD  0x0600	/* Tx Producer Index */
#define VMXNET3_REG_RXPROD  0x0800	/* Rx Producer Index for ring 1 */
#define VMXNET3_REG_RXPROD2 0x0A00	/* Rx Producer Index for ring 2 */


/* BAR 1 */
#define VMXNET3_REG_VRRS 0x0000	/* VMXNET3 Revision Report Selection */
#define VMXNET3_REG_UVRS 0x0008	/* UPT Version Report Selection */
#define VMXNET3_REG_DSAL 0x0010	/* Driver Shared Address Low */
#define VMXNET3_REG_DSAH 0x0018	/* Driver Shared Address High */
#define VMXNET3_REG_CMD  0x0020	/* Command */
#define VMXNET3_REG_MACL 0x0028	/* MAC Address Low */
#define VMXNET3_REG_MACH 0x0030	/* MAC Address High */
#define VMXNET3_REG_ICR  0x0038	/* Interrupt Cause Register */
#define VMXNET3_REG_ECR  0x0040	/* Event Cause Register */

#define VMXNET3_VLAN_LEN 4
#define VMXNET3_FCS_LEN  4
#define VMXNET3_MTU (1514 + VMXNET3_VLAN_LEN + VMXNET3_FCS_LEN)

#define VMXNET3_RXF_BTYPE (1 << 14)	/* rx body buffer type */
#define VMXNET3_RXF_GEN   (1 << 31)	/* rx generation */

#define VMXNET3_RXCF_CKSUM_MASK (0xFFFF)	/* rx checksum mask */
#define VMXNET3_RXCF_TUC  (1 << 16)	/* rx udp/tcp checksum correct */
#define VMXNET3_RXCF_UDP  (1 << 17)	/* rx udp packet */
#define VMXNET3_RXCF_TCP  (1 << 18)	/* rx tcp packet */
#define VMXNET3_RXCF_IPC  (1 << 19)	/* rx ip checksum correct */
#define VMXNET3_RXCF_IP6  (1 << 20)	/* rx ip6 packet */
#define VMXNET3_RXCF_IP4  (1 << 21)	/* rx ip4 packet */
#define VMXNET3_RXCF_CT   (0x7F << 24)	/* rx completion type 24-30, 7 bits */
#define VMXNET3_RXCF_GEN  (1 << 31)	/* rx completion generation */

#define VMXNET3_RXC_INDEX (0xFFF)	/* rx completion index mask */

#define foreach_vmxnet3_offload \
  _(0, NONE, "none") \
  _(2, CSUM, "checksum") \
  _(3, TSO, "tso")

enum
{
#define _(a, b, c) VMXNET3_OM_##b = (a),
  foreach_vmxnet3_offload
#undef _
};

/* tx desc flag 0 */
#define VMXNET3_TXF_GEN  (1 << 14)	/* tx generation */

/* tx desc flag 1 */
#define VMXNET3_TXF_OM(x) ((x) << 10)	/* tx offload mode */
#define VMXNET3_TXF_MSSCOF(x) ((x) << 18)	/* tx MSS checksum offset, flags */
#define VMXNET3_TXF_EOP  (1 << 12)	/* tx end of packet */
#define VMXNET3_TXF_CQ   (1 << 13)	/* tx completion request */

/* tx completion flag */
#define VMXNET3_TXCF_GEN (1 << 31)	/* tx completion generation */
#define VMXNET3_TXC_INDEX (0xFFF)	/* tx completion index mask */

#define VMXNET3_RX_RING_SIZE 2
#define VMXNET3_INPUT_REFILL_THRESHOLD 32
#define VMXNET3_NUM_TX_DESC 1024
#define VMXNET3_NUM_TX_COMP VMXNET3_NUM_TX_DESC
#define VMXNET3_NUM_RX_DESC 1024
#define VMXNET3_NUM_RX_COMP VMXNET3_NUM_RX_DESC

#define VMXNET3_VERSION_MAGIC 0x69505845
#define VMXNET3_SHARED_MAGIC  0xbabefee1
#define VMXNET3_VERSION_SELECT     1
#define VMXNET3_UPT_VERSION_SELECT 1
#define VMXNET3_MAX_INTRS          25
#define VMXNET3_IC_DISABLE_ALL     0x1

#define VMXNET3_GOS_BITS_32     (1 << 0)
#define VMXNET3_GOS_BITS_64     (2 << 0)
#define VMXNET3_GOS_TYPE_LINUX  (1 << 2)
#define VMXNET3_RXCL_LEN_MASK   (0x3FFF)	// 14 bits
#define VMXNET3_RXCL_ERROR      (1 << 14)

#define VMXNET3_RXCI_EOP        (1 << 14)	/* end of packet */
#define VMXNET3_RXCI_SOP        (1 << 15)	/* start of packet */
#define VMXNET3_RXCI_CNC        (1 << 30)	/* Checksum not calculated */

#define VMXNET3_RXCOMP_TYPE     (3 << 24)	/* RX completion descriptor */
#define VMXNET3_RXCOMP_TYPE_LRO (4 << 24)	/* RX completion descriptor for LRO */

#define VMXNET3_RXECF_MSS_MASK  (0xFFFF)	// 16 bits

#define foreach_vmxnet3_device_flags		\
  _(0, INITIALIZED, "initialized") \
  _(1, ERROR, "error")		   \
  _(2, ADMIN_UP, "admin-up") \
  _(3, IOVA, "iova") \
  _(4, LINK_UP, "link-up") \
  _(5, SHARED_TXQ_LOCK, "shared-txq-lock") \
  _(6, ELOG, "elog")

enum
{
#define _(a, b, c) VMXNET3_DEVICE_F_##b = (1 << a),
  foreach_vmxnet3_device_flags
#undef _
};

#define foreach_vmxnet3_set_cmds \
  _(0, ACTIVATE_DEV, "activate device") \
  _(1, QUIESCE_DEV, "quiesce device") \
  _(2, RESET_DEV, "reset device") \
  _(3, UPDATE_RX_MODE, "update rx mode") \
  _(4, UPDATE_MAC_FILTERS, "update mac filters") \
  _(5, UPDATE_VLAN_FILTERS, "update vlan filters") \
  _(6, UPDATE_RSSIDT, "update rss idt") \
  _(7, UPDATE_IML, "update iml") \
  _(8, UPDATE_PMCFG, "update pm cfg") \
  _(9, UPDATE_FEATURE, "update feature") \
  _(10, STOP_EMULATION, "stop emulation") \
  _(11, LOAD_PLUGIN, "load plugin") \
  _(12, ACTIVATE_VF, "activate vf") \
  _(13, RESERVED3, "reserved 3") \
  _(14, RESERVED4, "reservced 4") \
  _(15, REGISTER_MEMREGS, "register mem regs")

enum
{
#define _(a, b, c) VMXNET3_CMD_##b = (a + 0xCAFE0000),
  foreach_vmxnet3_set_cmds
#undef _
};

#define foreach_vmxnet3_get_cmds \
  _(0, GET_QUEUE_STATUS, "get queue status") \
  _(1, GET_STATS, "get stats") \
  _(2, GET_LINK, "get link") \
  _(3, GET_PERM_MAC_LO, "get perm mac lo") \
  _(4, GET_PERM_MAC_HI, "get perm mac hi") \
  _(5, GET_DID_LO, "get did lo") \
  _(6, GET_DID_HI, "get did hi") \
  _(7, GET_DEV_EXTRA_INFO, "get dev extra info") \
  _(8, GET_CONF_INTR, "get conf intr") \
  _(9, GET_ADAPTIVE_RING_INFO, "get adaptive ring info") \
  _(10, GET_TXDATA_DESC_SIZE, "get txdata desc size") \
  _(11, RESERVED5, "reserved5")

enum
{
#define _(a, b, c) VMXNET3_CMD_##b = (a + 0xF00D0000),
  foreach_vmxnet3_get_cmds
#undef _
};

typedef CLIB_PACKED (struct
		     {
		     u32 version; u32 guest_info; u32 version_support;
		     u32 upt_version_support; u64 upt_features;
		     u64 driver_data_address; u64 queue_desc_address;
		     u32 driver_data_len; u32 queue_desc_len;
		     u32 mtu;
		     u16 max_num_rx_sg; u8 num_tx_queues; u8 num_rx_queues;
		     u32 pad[4];
		     }) vmxnet3_misc_config;

typedef CLIB_PACKED (struct
		     {
		     u8 mask_mode;
		     u8 num_intrs;
		     u8 event_intr_index;
		     u8 moderation_level[VMXNET3_MAX_INTRS]; u32 control;
		     u32 pad[2];
		     }) vmxnet3_interrupt_config;

typedef CLIB_PACKED (struct
		     {
		     u32 mode; u16 multicast_len; u16 pad;
		     u64 multicast_address; u8 vlan_filter[512];
		     }) vmxnet3_rx_filter_config;

typedef CLIB_PACKED (struct
		     {
		     u32 version; u32 length;
		     u64 address;
		     }) vmxnet3_variable_config;

typedef CLIB_PACKED (struct
		     {
		     u32 magic;
		     u32 pad;
		     vmxnet3_misc_config misc;
		     vmxnet3_interrupt_config interrupt;
		     vmxnet3_rx_filter_config rx_filter;
		     vmxnet3_variable_config rss;
		     vmxnet3_variable_config pattern;
		     vmxnet3_variable_config plugin; u32 ecr;
		     u32 pad1[5];
		     }) vmxnet3_shared;

typedef CLIB_PACKED (struct
		     {
		     u8 stopped;
		     u8 pad[3];
		     u32 error;
		     }) vmxnet3_queue_status;

typedef CLIB_PACKED (struct
		     {
		     u32 num_deferred; u32 threshold;
		     u64 pad;
		     }) vmxnet3_tx_queue_control;

typedef CLIB_PACKED (struct
		     {
		     u64 desc_address;
		     u64 data_address;
		     u64 comp_address; u64 driver_data_address; u64 pad;
		     u32 num_desc;
		     u32 num_data; u32 num_comp; u32 driver_data_len;
		     u8 intr_index;
		     u8 pad1; u16 data_address_size; u8 pad2[4];
		     }) vmxnet3_tx_queue_config;

typedef CLIB_PACKED (struct
		     {
		     u64 tso_pkts;
		     u64 tso_bytes;
		     u64 ucast_pkts; u64 ucast_bytes; u64 mcast_pkts;
		     u64 mcast_bytes;
		     u64 bcast_pkts; u64 bcast_bytes; u64 error_pkts;
		     u64 discard_pkts;
		     }) vmxnet3_tx_stats;

typedef CLIB_PACKED (struct
		     {
		     vmxnet3_tx_queue_control ctrl;
		     vmxnet3_tx_queue_config cfg;
		     vmxnet3_queue_status status; vmxnet3_tx_stats stats;
		     u8 pad[88];
		     }) vmxnet3_tx_queue;

typedef CLIB_PACKED (struct
		     {
		     u8 update_prod; u8 pad[7];
		     u64 pad1;
		     }) vmxnet3_rx_queue_control;

typedef CLIB_PACKED (struct
		     {
		     u64 desc_address[2];
		     u64 comp_address; u64 driver_data_address;
		     u64 data_address; u32 num_desc[2];
		     u32 num_comp;
		     u32 driver_data_len; u8 intr_index; u8 pad1;
		     u16 data_address_size; u8 pad2[4];
		     }) vmxnet3_rx_queue_config;

typedef CLIB_PACKED (struct
		     {
		     u64 lro_pkts;
		     u64 lro_bytes;
		     u64 ucast_pkts; u64 ucast_bytes; u64 mcast_pkts;
		     u64 mcast_bytes;
		     u64 bcast_pkts; u64 bcast_bytes; u64 nobuf_pkts;
		     u64 error_pkts;
		     }) vmxnet3_rx_stats;

typedef CLIB_PACKED (struct
		     {
		     vmxnet3_rx_queue_control ctrl;
		     vmxnet3_rx_queue_config cfg;
		     vmxnet3_queue_status status; vmxnet3_rx_stats stats;
		     u8 pad[88];
		     }) vmxnet3_rx_queue;

/*
 * flags:
 *   buffer length   -- bits 0-13
 *   buffer type     -- bit  14
 *   descriptor type -- bit  15
 *   reserved        -- bits 16-30
 *   generation      -- bit  31
 */
typedef CLIB_PACKED (struct
		     {
		     u64 address;
		     u32 flags;
		     u32 pad;
		     }) vmxnet3_rx_desc;

/*
 * index:
 *   RX desc index           -- bits 0-11
 *   ext1                    -- bits 12-13
 *   end of packet           -- bit  14
 *   start of packet         -- bit  15
 *   ring ID                 -- bits 16-25
 *   RSS hash type           -- bits 26-29
 *   checksum not calculated -- bit  30
 *   ext2                    -- bit  31
 *
 * rss: RSS hash value
 *
 * len:
 *   data length             -- bits 0-13
 *   error                   -- bit  14
 *   tag is stripped         -- bit  15
 *   tag stripped            -- bits 16-31
 *
 * flags:
 *   checksum                -- bits 0 - 15
 *   tcp/udp checksum correct-- bit  16
 *   udp packet              -- bit  17
 *   tcp packet              -- bit  18
 *   ip checksum correct     -- bit  19
 *   ipv6                    -- bit  20
 *   ipv4                    -- bit  21
 *   ip fragment             -- bit  22
 *   frame crc correct       -- bit  23
 *   completion type         -- bits 24-30
 *   generation              -- bit  31
 */
typedef CLIB_PACKED (struct
		     {
		     u32 index; u32 rss;
		     u32 len;
		     u32 flags;
		     }) vmxnet3_rx_comp;

/*
 * flags:
 *   mss                     -- bits 0 - 15
 *   tcp/udp checksum correct-- bit  16
 *   udp packet              -- bit  17
 *   tcp packet              -- bit  18
 *   ip checksum correct     -- bit  19
 *   ipv6                    -- bit  20
 *   ipv4                    -- bit  21
 *   ip fragment             -- bit  22
 *   frame crc correct       -- bit  23
 *   completion type         -- bits 24-30
 *   generation              -- bit  31
 */
typedef CLIB_PACKED (struct
		     {
		     u32 dword1;
		     u8 seg_cnt; u8 dup_ack_cnt; u16 ts_delta; u32 dword2;
		     u32 flags;
		     }) vmxnet3_rx_comp_ext;

/*
 * index:
 *   TX desc index           -- bits 0-11
 *   ext1                    -- bits 12-31
 *
 * flags:
 *   reserved                -- bits 0-23
 *   completion type         -- bits 24-30
 *   generation              -- bit  31
 */
typedef CLIB_PACKED (struct
		     {
		     u32 index;
		     u32 pad[2];
		     u32 flags;
		     }) vmxnet3_tx_comp;

/*
 * flags[0]:
 *   length                  -- bits 0-13
 *   generation              -- bit  14
 *   reserved                -- bit  15
 *   descriptor type         -- bit  16
 *   ext1                    -- bit  17
 *   MSS, checksum offset    -- bits 18-31
 * flags[1]:
 *   header length           -- bits 0-9
 *   offload mode            -- bits 10-11
 *   end of packet           -- bit  12
 *   completion request      -- bit  13
 *   ext2                    -- bit  14
 *   vlan tag insertion      -- bit  15
 *   tag to insert           -- bits 16-31
 */
typedef CLIB_PACKED (struct
		     {
		     u64 address;
		     u32 flags[2];
		     }) vmxnet3_tx_desc;

typedef CLIB_PACKED (struct
		     {
		     u16 hash_type;
		     u16 hash_func;
		     u16 hash_key_sz;
		     u16 ind_table_sz;
		     u8 hash_key[VMXNET3_RSS_MAX_KEY_SZ];
		     u8 ind_table[VMXNET3_RSS_MAX_IND_TABLE_SZ];
		     }) vmxnet3_rss_shared;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u32 *bufs;
  u32 gen;
  u16 fill;
  u16 rid;
  u16 produce;
  u16 consume;
} vmxnet3_rx_ring;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u32 gen;
  u16 next;
} vmxnet3_rx_comp_ring;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u16 size;
  u8 int_mode;
  u8 buffer_pool_index;
  vmxnet3_rx_ring rx_ring[VMXNET3_RX_RING_SIZE];
  vmxnet3_rx_desc *rx_desc[VMXNET3_RX_RING_SIZE];
  vmxnet3_rx_comp *rx_comp;
  vmxnet3_rx_comp_ring rx_comp_ring;
} vmxnet3_rxq_t;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u32 *bufs;
  u32 gen;
  u16 produce;
  u16 consume;
} vmxnet3_tx_ring;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u32 gen;
  u16 next;
} vmxnet3_tx_comp_ring;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u16 size;
  u32 reg_txprod;
  clib_spinlock_t lock;

  vmxnet3_tx_desc *tx_desc;
  vmxnet3_tx_comp *tx_comp;
  vmxnet3_tx_ring tx_ring;
  vmxnet3_tx_comp_ring tx_comp_ring;
} vmxnet3_txq_t;

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  u32 flags;
  u32 per_interface_next_index;

  u32 dev_instance;
  u32 sw_if_index;
  u32 hw_if_index;
  u32 numa_node;
  vlib_pci_dev_handle_t pci_dev_handle;
  vlib_pci_addr_t pci_addr;
  void *bar[2];

  /* queues */
  vmxnet3_rxq_t *rxqs;
  vmxnet3_txq_t *txqs;

  u16 num_tx_queues;
  u16 num_rx_queues;
  u16 num_intrs;

  u8 version;
  u8 mac_addr[6];

  clib_error_t *error;

  vmxnet3_shared *driver_shared;
  void *queues;
  vmxnet3_rss_shared *rss;
  u32 link_speed;
  u8 lro_enable;
  vmxnet3_tx_stats *tx_stats;
  vmxnet3_rx_stats *rx_stats;
} vmxnet3_device_t;

typedef struct
{
  vmxnet3_device_t *devices;
  u16 msg_id_base;
  vlib_log_class_t log_default;
  u8 lro_configured;
} vmxnet3_main_t;

extern vmxnet3_main_t vmxnet3_main;

typedef struct
{
  vlib_pci_addr_t addr;
  u32 enable_elog;
  u16 rxq_size;
  u16 rxq_num;
  u16 txq_size;
  u16 txq_num;
  u8 bind;
  /* return */
  i32 rv;
  u32 sw_if_index;
  clib_error_t *error;
} vmxnet3_create_if_args_t;

typedef struct
{
  u32 next_index;
  u32 hw_if_index;
  vlib_buffer_t buffer;
} vmxnet3_input_trace_t;

void vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args);
void vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * ad);

extern clib_error_t *vmxnet3_plugin_api_hookup (vlib_main_t * vm);
extern vlib_node_registration_t vmxnet3_input_node;
extern vnet_device_class_t vmxnet3_device_class;

/* format.c */
format_function_t format_vmxnet3_device;
format_function_t format_vmxnet3_device_name;
format_function_t format_vmxnet3_input_trace;

#define vmxnet3_log_debug(dev, f, ...)			      \
  vlib_log (VLIB_LOG_LEVEL_DEBUG, vmxnet3_main.log_default, "%U: " f, \
	    format_vlib_pci_addr, &dev->pci_addr, \
	    ## __VA_ARGS__)

#define vmxnet3_log_error(dev, f, ...)			    \
  vlib_log (VLIB_LOG_LEVEL_ERR, vmxnet3_main.log_default, "%U: " f, \
	    format_vlib_pci_addr, &dev->pci_addr, \
	    ## __VA_ARGS__)

/* no log version, called by data plane */
static_always_inline void
vmxnet3_reg_write_inline (vmxnet3_device_t * vd, u8 bar, u32 addr, u32 val)
{
  *(volatile u32 *) ((u8 *) vd->bar[bar] + addr) = val;
}

static_always_inline void
vmxnet3_reg_write (vmxnet3_device_t * vd, u8 bar, u32 addr, u32 val)
{
  vmxnet3_log_debug (vd, "reg wr bar %u addr 0x%x val 0x%x", bar, addr, val);
  vmxnet3_reg_write_inline (vd, bar, addr, val);
}

static_always_inline u32
vmxnet3_reg_read (vmxnet3_device_t * vd, u8 bar, u32 addr)
{
  u32 val;

  val = *(volatile u32 *) (vd->bar[bar] + addr);
  vmxnet3_log_debug (vd, "reg rd bar %u addr 0x%x val 0x%x", bar, addr, val);

  return val;
}

static_always_inline uword
vmxnet3_dma_addr (vlib_main_t * vm, vmxnet3_device_t * vd, void *p)
{
  return (vd->flags & VMXNET3_DEVICE_F_IOVA) ? pointer_to_uword (p) :
    vlib_physmem_get_pa (vm, p);
}

static_always_inline void
vmxnet3_rx_ring_advance_produce (vmxnet3_rxq_t * rxq, vmxnet3_rx_ring * ring)
{
  ring->produce++;
  if (PREDICT_FALSE (ring->produce == rxq->size))
    {
      ring->produce = 0;
      ring->gen ^= VMXNET3_RXF_GEN;
    }
}

static_always_inline clib_error_t *
vmxnet3_rxq_refill_ring0 (vlib_main_t * vm, vmxnet3_device_t * vd,
			  vmxnet3_rxq_t * rxq)
{
  vmxnet3_rx_desc *rxd;
  u16 n_refill, n_alloc;
  vmxnet3_rx_ring *ring;
  vmxnet3_rx_queue *rx;

  ring = &rxq->rx_ring[0];
  n_refill = rxq->size - ring->fill;

  if (PREDICT_TRUE (n_refill <= VMXNET3_INPUT_REFILL_THRESHOLD))
    return 0;

  n_alloc =
    vlib_buffer_alloc_to_ring_from_pool (vm, ring->bufs, ring->produce,
					 rxq->size, n_refill,
					 rxq->buffer_pool_index);
  if (PREDICT_FALSE (n_alloc != n_refill))
    {
      if (n_alloc)
	vlib_buffer_free_from_ring (vm, ring->bufs, ring->produce, rxq->size,
				    n_alloc);
      return clib_error_return (0, "buffer alloc failed");
    }

  while (n_alloc)
    {
      vlib_buffer_t *b = vlib_get_buffer (vm, ring->bufs[ring->produce]);
      rxd = &rxq->rx_desc[0][ring->produce];
      rxd->address = vlib_buffer_get_pa (vm, b);
      rxd->flags = ring->gen | vlib_buffer_get_default_data_size (vm);

      vmxnet3_rx_ring_advance_produce (rxq, ring);
      ring->fill++;
      n_alloc--;
    }

  rx = VMXNET3_RX_START (vd);
  if (PREDICT_FALSE (rx->ctrl.update_prod))
    vmxnet3_reg_write_inline (vd, 0, VMXNET3_REG_RXPROD, ring->produce);

  return 0;
}

static_always_inline clib_error_t *
vmxnet3_rxq_refill_ring1 (vlib_main_t * vm, vmxnet3_device_t * vd,
			  vmxnet3_rxq_t * rxq)
{
  vmxnet3_rx_desc *rxd;
  u16 n_refill, n_alloc;
  vmxnet3_rx_ring *ring;
  vmxnet3_rx_queue *rx;

  ring = &rxq->rx_ring[1];
  n_refill = rxq->size - ring->fill;

  if (PREDICT_TRUE (n_refill <= VMXNET3_INPUT_REFILL_THRESHOLD))
    return 0;

  n_alloc =
    vlib_buffer_alloc_to_ring_from_pool (vm, ring->bufs, ring->produce,
					 rxq->size, n_refill,
					 rxq->buffer_pool_index);
  if (PREDICT_FALSE (n_alloc != n_refill))
    {
      if (n_alloc)
	vlib_buffer_free_from_ring (vm, ring->bufs, ring->produce, rxq->size,
				    n_alloc);
      return clib_error_return (0, "buffer alloc failed");
    }

  while (n_alloc)
    {
      vlib_buffer_t *b = vlib_get_buffer (vm, ring->bufs[ring->produce]);
      rxd = &rxq->rx_desc[1][ring->produce];
      rxd->address = vlib_buffer_get_pa (vm, b);
      rxd->flags = ring->gen | vlib_buffer_get_default_data_size (vm) |
	VMXNET3_RXF_BTYPE;

      vmxnet3_rx_ring_advance_produce (rxq, ring);
      ring->fill++;
      n_alloc--;
    }

  rx = VMXNET3_RX_START (vd);
  if (PREDICT_FALSE (rx->ctrl.update_prod))
    vmxnet3_reg_write_inline (vd, 0, VMXNET3_REG_RXPROD2, ring->produce);

  return 0;
}

#endif /* __included_vmnet_vmnet_h__ */
/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */