drivers/net/hyperv/hyperv_net.h

   1 /*
   2  *
   3  * Copyright (c) 2011, Microsoft Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  16  * Place - Suite 330, Boston, MA 02111-1307 USA.
  17  *
  18  * Authors:
  19  *   Haiyang Zhang <haiyangz@microsoft.com>
  20  *   Hank Janssen  <hjanssen@microsoft.com>
  21  *   K. Y. Srinivasan <kys@microsoft.com>
  22  *
  23  */
  24
  25 #ifndef _HYPERV_NET_H
  26 #define _HYPERV_NET_H
  27
  28 #include <linux/list.h>
  29 #include <linux/hyperv.h>
  30 #include <linux/rndis.h>
  31
  32 /* Fwd declaration */
  33 struct hv_netvsc_packet;
  34
  35 /* Represent the xfer page packet which contains 1 or more netvsc packet */
  36 struct xferpage_packet {
  37         struct list_head list_ent;
  38
  39         /* # of netvsc packets this xfer packet contains */
  40         u32 count;
  41 };
  42
  43 /*
  44  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
  45  * within the RNDIS
  46  */
  47 struct hv_netvsc_packet {
  48         /* Bookkeeping stuff */
  49         struct list_head list_ent;
  50
  51         struct hv_device *device;
  52         bool is_data_pkt;
  53         u16 vlan_tci;
  54
  55         /*
  56          * Valid only for receives when we break a xfer page packet
  57          * into multiple netvsc packets
  58          */
  59         struct xferpage_packet *xfer_page_pkt;
  60
  61         union {
  62                 struct {
  63                         u64 recv_completion_tid;
  64                         void *recv_completion_ctx;
  65                         void (*recv_completion)(void *context);
  66                 } recv;
  67                 struct {
  68                         u64 send_completion_tid;
  69                         void *send_completion_ctx;
  70                         void (*send_completion)(void *context);
  71                 } send;
  72         } completion;
  73
  74         /* This points to the memory after page_buf */
  75         void *extension;
  76
  77         u32 total_data_buflen;
  78         /* Points to the send/receive buffer where the ethernet frame is */
  79         void *data;
  80         u32 page_buf_cnt;
  81         struct hv_page_buffer page_buf[0];
  82 };
  83
  84 struct netvsc_device_info {
  85         unsigned char mac_adr[6];
  86         bool link_state;        /* 0 - link up, 1 - link down */
  87         int  ring_size;
  88 };
  89
  90 enum rndis_device_state {
  91         RNDIS_DEV_UNINITIALIZED = 0,
  92         RNDIS_DEV_INITIALIZING,
  93         RNDIS_DEV_INITIALIZED,
  94         RNDIS_DEV_DATAINITIALIZED,
  95 };
  96
  97 struct rndis_device {
  98         struct netvsc_device *net_dev;
  99
 100         enum rndis_device_state state;
 101         bool link_state;
 102         atomic_t new_req_id;
 103
 104         spinlock_t request_lock;
 105         struct list_head req_list;
 106
 107         unsigned char hw_mac_adr[ETH_ALEN];
 108 };
 109
 110
 111 /* Interface */
 112 int netvsc_device_add(struct hv_device *device, void *additional_info);
 113 int netvsc_device_remove(struct hv_device *device);
 114 int netvsc_send(struct hv_device *device,
 115                 struct hv_netvsc_packet *packet);
 116 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 117                                 unsigned int status);
 118 int netvsc_recv_callback(struct hv_device *device_obj,
 119                         struct hv_netvsc_packet *packet);
 120 int rndis_filter_open(struct hv_device *dev);
 121 int rndis_filter_close(struct hv_device *dev);
 122 int rndis_filter_device_add(struct hv_device *dev,
 123                         void *additional_info);
 124 void rndis_filter_device_remove(struct hv_device *dev);
 125 int rndis_filter_receive(struct hv_device *dev,
 126                         struct hv_netvsc_packet *pkt);
 127
 128
 129
 130 int rndis_filter_send(struct hv_device *dev,
 131                         struct hv_netvsc_packet *pkt);
 132
 133 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 134
 135
 136 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 137
 138 #define NVSP_PROTOCOL_VERSION_1         2
 139 #define NVSP_PROTOCOL_VERSION_2         0x30002
 140
 141 enum {
 142         NVSP_MSG_TYPE_NONE = 0,
 143
 144         /* Init Messages */
 145         NVSP_MSG_TYPE_INIT                      = 1,
 146         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 147
 148         NVSP_VERSION_MSG_START                  = 100,
 149
 150         /* Version 1 Messages */
 151         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 152
 153         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 154         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 155         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 156
 157         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 158         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 159         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 160
 161         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 162         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 163
 164         /* Version 2 messages */
 165         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 166         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 167         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 168
 169         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 170
 171         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 172         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 173
 174         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 175
 176         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 177         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 178
 179         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 180         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 181
 182         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 183         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 184
 185         NVSP_MSG2_TYPE_FREE_RXBUF,
 186
 187         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 188         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 189
 190         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 191
 192         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 193         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 194 };
 195
 196 enum {
 197         NVSP_STAT_NONE = 0,
 198         NVSP_STAT_SUCCESS,
 199         NVSP_STAT_FAIL,
 200         NVSP_STAT_PROTOCOL_TOO_NEW,
 201         NVSP_STAT_PROTOCOL_TOO_OLD,
 202         NVSP_STAT_INVALID_RNDIS_PKT,
 203         NVSP_STAT_BUSY,
 204         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 205         NVSP_STAT_MAX,
 206 };
 207
 208 struct nvsp_message_header {
 209         u32 msg_type;
 210 };
 211
 212 /* Init Messages */
 213
 214 /*
 215  * This message is used by the VSC to initialize the channel after the channels
 216  * has been opened. This message should never include anything other then
 217  * versioning (i.e. this message will be the same for ever).
 218  */
 219 struct nvsp_message_init {
 220         u32 min_protocol_ver;
 221         u32 max_protocol_ver;
 222 } __packed;
 223
 224 /*
 225  * This message is used by the VSP to complete the initialization of the
 226  * channel. This message should never include anything other then versioning
 227  * (i.e. this message will be the same for ever).
 228  */
 229 struct nvsp_message_init_complete {
 230         u32 negotiated_protocol_ver;
 231         u32 max_mdl_chain_len;
 232         u32 status;
 233 } __packed;
 234
 235 union nvsp_message_init_uber {
 236         struct nvsp_message_init init;
 237         struct nvsp_message_init_complete init_complete;
 238 } __packed;
 239
 240 /* Version 1 Messages */
 241
 242 /*
 243  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 244  * can use this information when handling OIDs sent by the VSC.
 245  */
 246 struct nvsp_1_message_send_ndis_version {
 247         u32 ndis_major_ver;
 248         u32 ndis_minor_ver;
 249 } __packed;
 250
 251 /*
 252  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 253  * can then use the receive buffer to send data to the VSC.
 254  */
 255 struct nvsp_1_message_send_receive_buffer {
 256         u32 gpadl_handle;
 257         u16 id;
 258 } __packed;
 259
 260 struct nvsp_1_receive_buffer_section {
 261         u32 offset;
 262         u32 sub_alloc_size;
 263         u32 num_sub_allocs;
 264         u32 end_offset;
 265 } __packed;
 266
 267 /*
 268  * This message is used by the VSP to acknowledge a receive buffer send by the
 269  * VSC. This message must be sent by the VSP before the VSP uses the receive
 270  * buffer.
 271  */
 272 struct nvsp_1_message_send_receive_buffer_complete {
 273         u32 status;
 274         u32 num_sections;
 275
 276         /*
 277          * The receive buffer is split into two parts, a large suballocation
 278          * section and a small suballocation section. These sections are then
 279          * suballocated by a certain size.
 280          */
 281
 282         /*
 283          * For example, the following break up of the receive buffer has 6
 284          * large suballocations and 10 small suballocations.
 285          */
 286
 287         /*
 288          * |            Large Section          |  |   Small Section   |
 289          * ------------------------------------------------------------
 290          * |     |     |     |     |     |     |  | | | | | | | | | | |
 291          * |                                      |
 292          *  LargeOffset                            SmallOffset
 293          */
 294
 295         struct nvsp_1_receive_buffer_section sections[1];
 296 } __packed;
 297
 298 /*
 299  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 300  * completes this transaction, the vsp should never use the receive buffer
 301  * again.
 302  */
 303 struct nvsp_1_message_revoke_receive_buffer {
 304         u16 id;
 305 };
 306
 307 /*
 308  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 309  * can then use the send buffer to send data to the VSP.
 310  */
 311 struct nvsp_1_message_send_send_buffer {
 312         u32 gpadl_handle;
 313         u16 id;
 314 } __packed;
 315
 316 /*
 317  * This message is used by the VSP to acknowledge a send buffer sent by the
 318  * VSC. This message must be sent by the VSP before the VSP uses the sent
 319  * buffer.
 320  */
 321 struct nvsp_1_message_send_send_buffer_complete {
 322         u32 status;
 323
 324         /*
 325          * The VSC gets to choose the size of the send buffer and the VSP gets
 326          * to choose the sections size of the buffer.  This was done to enable
 327          * dynamic reconfigurations when the cost of GPA-direct buffers
 328          * decreases.
 329          */
 330         u32 section_size;
 331 } __packed;
 332
 333 /*
 334  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 335  * completes this transaction, the vsp should never use the send buffer again.
 336  */
 337 struct nvsp_1_message_revoke_send_buffer {
 338         u16 id;
 339 };
 340
 341 /*
 342  * This message is used by both the VSP and the VSC to send a RNDIS message to
 343  * the opposite channel endpoint.
 344  */
 345 struct nvsp_1_message_send_rndis_packet {
 346         /*
 347          * This field is specified by RNIDS. They assume there's two different
 348          * channels of communication. However, the Network VSP only has one.
 349          * Therefore, the channel travels with the RNDIS packet.
 350          */
 351         u32 channel_type;
 352
 353         /*
 354          * This field is used to send part or all of the data through a send
 355          * buffer. This values specifies an index into the send buffer. If the
 356          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 357          * of the data was sent through other VMBus mechanisms.
 358          */
 359         u32 send_buf_section_index;
 360         u32 send_buf_section_size;
 361 } __packed;
 362
 363 /*
 364  * This message is used by both the VSP and the VSC to complete a RNDIS message
 365  * to the opposite channel endpoint. At this point, the initiator of this
 366  * message cannot use any resources associated with the original RNDIS packet.
 367  */
 368 struct nvsp_1_message_send_rndis_packet_complete {
 369         u32 status;
 370 };
 371
 372 union nvsp_1_message_uber {
 373         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 374
 375         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 376         struct nvsp_1_message_send_receive_buffer_complete
 377                                                 send_recv_buf_complete;
 378         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 379
 380         struct nvsp_1_message_send_send_buffer send_send_buf;
 381         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 382         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 383
 384         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 385         struct nvsp_1_message_send_rndis_packet_complete
 386                                                 send_rndis_pkt_complete;
 387 } __packed;
 388
 389
 390 /*
 391  * Network VSP protocol version 2 messages:
 392  */
 393 struct nvsp_2_vsc_capability {
 394         union {
 395                 u64 data;
 396                 struct {
 397                         u64 vmq:1;
 398                         u64 chimney:1;
 399                         u64 sriov:1;
 400                         u64 ieee8021q:1;
 401                         u64 correlation_id:1;
 402                 };
 403         };
 404 } __packed;
 405
 406 struct nvsp_2_send_ndis_config {
 407         u32 mtu;
 408         u32 reserved;
 409         struct nvsp_2_vsc_capability capability;
 410 } __packed;
 411
 412 /* Allocate receive buffer */
 413 struct nvsp_2_alloc_rxbuf {
 414         /* Allocation ID to match the allocation request and response */
 415         u32 alloc_id;
 416
 417         /* Length of the VM shared memory receive buffer that needs to
 418          * be allocated
 419          */
 420         u32 len;
 421 } __packed;
 422
 423 /* Allocate receive buffer complete */
 424 struct nvsp_2_alloc_rxbuf_comp {
 425         /* The NDIS_STATUS code for buffer allocation */
 426         u32 status;
 427
 428         u32 alloc_id;
 429
 430         /* GPADL handle for the allocated receive buffer */
 431         u32 gpadl_handle;
 432
 433         /* Receive buffer ID */
 434         u64 recv_buf_id;
 435 } __packed;
 436
 437 struct nvsp_2_free_rxbuf {
 438         u64 recv_buf_id;
 439 } __packed;
 440
 441 union nvsp_2_message_uber {
 442         struct nvsp_2_send_ndis_config send_ndis_config;
 443         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 444         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 445         struct nvsp_2_free_rxbuf free_rxbuf;
 446 } __packed;
 447
 448 union nvsp_all_messages {
 449         union nvsp_message_init_uber init_msg;
 450         union nvsp_1_message_uber v1_msg;
 451         union nvsp_2_message_uber v2_msg;
 452 } __packed;
 453
 454 /* ALL Messages */
 455 struct nvsp_message {
 456         struct nvsp_message_header hdr;
 457         union nvsp_all_messages msg;
 458 } __packed;
 459
 460
 461 #define NETVSC_MTU 65536
 462
 463 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*2)   /* 2MB */
 464
 465 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 466
 467 #define NETVSC_RECEIVE_SG_COUNT                 1
 468
 469 /* Preallocated receive packets */
 470 #define NETVSC_RECEIVE_PACKETLIST_COUNT         256
 471
 472 #define NETVSC_PACKET_SIZE                      2048
 473
 474 /* Per netvsc channel-specific */
 475 struct netvsc_device {
 476         struct hv_device *dev;
 477
 478         u32 nvsp_version;
 479
 480         atomic_t num_outstanding_sends;
 481         bool start_remove;
 482         bool destroy;
 483         /*
 484          * List of free preallocated hv_netvsc_packet to represent receive
 485          * packet
 486          */
 487         struct list_head recv_pkt_list;
 488         spinlock_t recv_pkt_list_lock;
 489
 490         /* Receive buffer allocated by us but manages by NetVSP */
 491         void *recv_buf;
 492         u32 recv_buf_size;
 493         u32 recv_buf_gpadl_handle;
 494         u32 recv_section_cnt;
 495         struct nvsp_1_receive_buffer_section *recv_section;
 496
 497         /* Used for NetVSP initialization protocol */
 498         struct completion channel_init_wait;
 499         struct nvsp_message channel_init_pkt;
 500
 501         struct nvsp_message revoke_packet;
 502         /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
 503
 504         struct net_device *ndev;
 505
 506         /* Holds rndis device info */
 507         void *extension;
 508 };
 509
 510 /* NdisInitialize message */
 511 struct rndis_initialize_request {
 512         u32 req_id;
 513         u32 major_ver;
 514         u32 minor_ver;
 515         u32 max_xfer_size;
 516 };
 517
 518 /* Response to NdisInitialize */
 519 struct rndis_initialize_complete {
 520         u32 req_id;
 521         u32 status;
 522         u32 major_ver;
 523         u32 minor_ver;
 524         u32 dev_flags;
 525         u32 medium;
 526         u32 max_pkt_per_msg;
 527         u32 max_xfer_size;
 528         u32 pkt_alignment_factor;
 529         u32 af_list_offset;
 530         u32 af_list_size;
 531 };
 532
 533 /* Call manager devices only: Information about an address family */
 534 /* supported by the device is appended to the response to NdisInitialize. */
 535 struct rndis_co_address_family {
 536         u32 address_family;
 537         u32 major_ver;
 538         u32 minor_ver;
 539 };
 540
 541 /* NdisHalt message */
 542 struct rndis_halt_request {
 543         u32 req_id;
 544 };
 545
 546 /* NdisQueryRequest message */
 547 struct rndis_query_request {
 548         u32 req_id;
 549         u32 oid;
 550         u32 info_buflen;
 551         u32 info_buf_offset;
 552         u32 dev_vc_handle;
 553 };
 554
 555 /* Response to NdisQueryRequest */
 556 struct rndis_query_complete {
 557         u32 req_id;
 558         u32 status;
 559         u32 info_buflen;
 560         u32 info_buf_offset;
 561 };
 562
 563 /* NdisSetRequest message */
 564 struct rndis_set_request {
 565         u32 req_id;
 566         u32 oid;
 567         u32 info_buflen;
 568         u32 info_buf_offset;
 569         u32 dev_vc_handle;
 570 };
 571
 572 /* Response to NdisSetRequest */
 573 struct rndis_set_complete {
 574         u32 req_id;
 575         u32 status;
 576 };
 577
 578 /* NdisReset message */
 579 struct rndis_reset_request {
 580         u32 reserved;
 581 };
 582
 583 /* Response to NdisReset */
 584 struct rndis_reset_complete {
 585         u32 status;
 586         u32 addressing_reset;
 587 };
 588
 589 /* NdisMIndicateStatus message */
 590 struct rndis_indicate_status {
 591         u32 status;
 592         u32 status_buflen;
 593         u32 status_buf_offset;
 594 };
 595
 596 /* Diagnostic information passed as the status buffer in */
 597 /* struct rndis_indicate_status messages signifying error conditions. */
 598 struct rndis_diagnostic_info {
 599         u32 diag_status;
 600         u32 error_offset;
 601 };
 602
 603 /* NdisKeepAlive message */
 604 struct rndis_keepalive_request {
 605         u32 req_id;
 606 };
 607
 608 /* Response to NdisKeepAlive */
 609 struct rndis_keepalive_complete {
 610         u32 req_id;
 611         u32 status;
 612 };
 613
 614 /*
 615  * Data message. All Offset fields contain byte offsets from the beginning of
 616  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 617  * to 0 for connectionless data, otherwise it contains the VC handle.
 618  */
 619 struct rndis_packet {
 620         u32 data_offset;
 621         u32 data_len;
 622         u32 oob_data_offset;
 623         u32 oob_data_len;
 624         u32 num_oob_data_elements;
 625         u32 per_pkt_info_offset;
 626         u32 per_pkt_info_len;
 627         u32 vc_handle;
 628         u32 reserved;
 629 };
 630
 631 /* Optional Out of Band data associated with a Data message. */
 632 struct rndis_oobd {
 633         u32 size;
 634         u32 type;
 635         u32 class_info_offset;
 636 };
 637
 638 /* Packet extension field contents associated with a Data message. */
 639 struct rndis_per_packet_info {
 640         u32 size;
 641         u32 type;
 642         u32 ppi_offset;
 643 };
 644
 645 enum ndis_per_pkt_info_type {
 646         TCPIP_CHKSUM_PKTINFO,
 647         IPSEC_PKTINFO,
 648         TCP_LARGESEND_PKTINFO,
 649         CLASSIFICATION_HANDLE_PKTINFO,
 650         NDIS_RESERVED,
 651         SG_LIST_PKTINFO,
 652         IEEE_8021Q_INFO,
 653         ORIGINAL_PKTINFO,
 654         PACKET_CANCEL_ID,
 655         ORIGINAL_NET_BUFLIST,
 656         CACHED_NET_BUFLIST,
 657         SHORT_PKT_PADINFO,
 658         MAX_PER_PKT_INFO
 659 };
 660
 661 struct ndis_pkt_8021q_info {
 662         union {
 663                 struct {
 664                         u32 pri:3; /* User Priority */
 665                         u32 cfi:1; /* Canonical Format ID */
 666                         u32 vlanid:12; /* VLAN ID */
 667                         u32 reserved:16;
 668                 };
 669                 u32 value;
 670         };
 671 };
 672
 673 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
 674                 sizeof(struct ndis_pkt_8021q_info))
 675
 676 /* Format of Information buffer passed in a SetRequest for the OID */
 677 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
 678 struct rndis_config_parameter_info {
 679         u32 parameter_name_offset;
 680         u32 parameter_name_length;
 681         u32 parameter_type;
 682         u32 parameter_value_offset;
 683         u32 parameter_value_length;
 684 };
 685
 686 /* Values for ParameterType in struct rndis_config_parameter_info */
 687 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
 688 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
 689
 690 /* CONDIS Miniport messages for connection oriented devices */
 691 /* that do not implement a call manager. */
 692
 693 /* CoNdisMiniportCreateVc message */
 694 struct rcondis_mp_create_vc {
 695         u32 req_id;
 696         u32 ndis_vc_handle;
 697 };
 698
 699 /* Response to CoNdisMiniportCreateVc */
 700 struct rcondis_mp_create_vc_complete {
 701         u32 req_id;
 702         u32 dev_vc_handle;
 703         u32 status;
 704 };
 705
 706 /* CoNdisMiniportDeleteVc message */
 707 struct rcondis_mp_delete_vc {
 708         u32 req_id;
 709         u32 dev_vc_handle;
 710 };
 711
 712 /* Response to CoNdisMiniportDeleteVc */
 713 struct rcondis_mp_delete_vc_complete {
 714         u32 req_id;
 715         u32 status;
 716 };
 717
 718 /* CoNdisMiniportQueryRequest message */
 719 struct rcondis_mp_query_request {
 720         u32 req_id;
 721         u32 request_type;
 722         u32 oid;
 723         u32 dev_vc_handle;
 724         u32 info_buflen;
 725         u32 info_buf_offset;
 726 };
 727
 728 /* CoNdisMiniportSetRequest message */
 729 struct rcondis_mp_set_request {
 730         u32 req_id;
 731         u32 request_type;
 732         u32 oid;
 733         u32 dev_vc_handle;
 734         u32 info_buflen;
 735         u32 info_buf_offset;
 736 };
 737
 738 /* CoNdisIndicateStatus message */
 739 struct rcondis_indicate_status {
 740         u32 ndis_vc_handle;
 741         u32 status;
 742         u32 status_buflen;
 743         u32 status_buf_offset;
 744 };
 745
 746 /* CONDIS Call/VC parameters */
 747 struct rcondis_specific_parameters {
 748         u32 parameter_type;
 749         u32 parameter_length;
 750         u32 parameter_lffset;
 751 };
 752
 753 struct rcondis_media_parameters {
 754         u32 flags;
 755         u32 reserved1;
 756         u32 reserved2;
 757         struct rcondis_specific_parameters media_specific;
 758 };
 759
 760 struct rndis_flowspec {
 761         u32 token_rate;
 762         u32 token_bucket_size;
 763         u32 peak_bandwidth;
 764         u32 latency;
 765         u32 delay_variation;
 766         u32 service_type;
 767         u32 max_sdu_size;
 768         u32 minimum_policed_size;
 769 };
 770
 771 struct rcondis_call_manager_parameters {
 772         struct rndis_flowspec transmit;
 773         struct rndis_flowspec receive;
 774         struct rcondis_specific_parameters call_mgr_specific;
 775 };
 776
 777 /* CoNdisMiniportActivateVc message */
 778 struct rcondis_mp_activate_vc_request {
 779         u32 req_id;
 780         u32 flags;
 781         u32 dev_vc_handle;
 782         u32 media_params_offset;
 783         u32 media_params_length;
 784         u32 call_mgr_params_offset;
 785         u32 call_mgr_params_length;
 786 };
 787
 788 /* Response to CoNdisMiniportActivateVc */
 789 struct rcondis_mp_activate_vc_complete {
 790         u32 req_id;
 791         u32 status;
 792 };
 793
 794 /* CoNdisMiniportDeactivateVc message */
 795 struct rcondis_mp_deactivate_vc_request {
 796         u32 req_id;
 797         u32 flags;
 798         u32 dev_vc_handle;
 799 };
 800
 801 /* Response to CoNdisMiniportDeactivateVc */
 802 struct rcondis_mp_deactivate_vc_complete {
 803         u32 req_id;
 804         u32 status;
 805 };
 806
 807
 808 /* union with all of the RNDIS messages */
 809 union rndis_message_container {
 810         struct rndis_packet pkt;
 811         struct rndis_initialize_request init_req;
 812         struct rndis_halt_request halt_req;
 813         struct rndis_query_request query_req;
 814         struct rndis_set_request set_req;
 815         struct rndis_reset_request reset_req;
 816         struct rndis_keepalive_request keep_alive_req;
 817         struct rndis_indicate_status indicate_status;
 818         struct rndis_initialize_complete init_complete;
 819         struct rndis_query_complete query_complete;
 820         struct rndis_set_complete set_complete;
 821         struct rndis_reset_complete reset_complete;
 822         struct rndis_keepalive_complete keep_alive_complete;
 823         struct rcondis_mp_create_vc co_miniport_create_vc;
 824         struct rcondis_mp_delete_vc co_miniport_delete_vc;
 825         struct rcondis_indicate_status co_indicate_status;
 826         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
 827         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
 828         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
 829         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
 830         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
 831         struct rcondis_mp_deactivate_vc_complete
 832                 co_miniport_deactivate_vc_complete;
 833 };
 834
 835 /* Remote NDIS message format */
 836 struct rndis_message {
 837         u32 ndis_msg_type;
 838
 839         /* Total length of this message, from the beginning */
 840         /* of the sruct rndis_message, in bytes. */
 841         u32 msg_len;
 842
 843         /* Actual message */
 844         union rndis_message_container msg;
 845 };
 846
 847
 848 struct rndis_filter_packet {
 849         void *completion_ctx;
 850         void (*completion)(void *context);
 851         struct rndis_message msg;
 852 };
 853
 854 /* Handy macros */
 855
 856 /* get the size of an RNDIS message. Pass in the message type, */
 857 /* struct rndis_set_request, struct rndis_packet for example */
 858 #define RNDIS_MESSAGE_SIZE(msg)                         \
 859         (sizeof(msg) + (sizeof(struct rndis_message) -  \
 860          sizeof(union rndis_message_container)))
 861
 862 /* get pointer to info buffer with message pointer */
 863 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
 864         (((unsigned char *)(msg)) + msg->info_buf_offset)
 865
 866 /* get pointer to status buffer with message pointer */
 867 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
 868         (((unsigned char *)(msg)) + msg->status_buf_offset)
 869
 870 /* get pointer to OOBD buffer with message pointer */
 871 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
 872         (((unsigned char *)(msg)) + msg->oob_data_offset)
 873
 874 /* get pointer to data buffer with message pointer */
 875 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
 876         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
 877
 878 /* get pointer to contained message from NDIS_MESSAGE pointer */
 879 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
 880         ((void *) &rndis_msg->msg)
 881
 882 /* get pointer to contained message from NDIS_MESSAGE pointer */
 883 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
 884         ((void *) rndis_msg)
 885
 886
 887 #define __struct_bcount(x)
 888
 889
 890
 891 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
 892                                  sizeof(union rndis_message_container))
 893
 894 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
 895 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
 896 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
 897 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
 898 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
 899 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
 900 #define NDIS_PACKET_TYPE_SMT            0x00000040
 901 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
 902 #define NDIS_PACKET_TYPE_GROUP          0x00000100
 903 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
 904 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
 905 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
 906
 907
 908
 909 #endif /* _HYPERV_NET_H */