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         u32 status;
  39
  40         /* # of netvsc packets this xfer packet contains */
  41         u32 count;
  42 };
  43
  44 /*
  45  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
  46  * within the RNDIS
  47  */
  48 struct hv_netvsc_packet {
  49         /* Bookkeeping stuff */
  50         struct list_head list_ent;
  51         u32 status;
  52
  53         struct hv_device *device;
  54         bool is_data_pkt;
  55         u16 vlan_tci;
  56
  57         /*
  58          * Valid only for receives when we break a xfer page packet
  59          * into multiple netvsc packets
  60          */
  61         struct xferpage_packet *xfer_page_pkt;
  62
  63         union {
  64                 struct {
  65                         u64 recv_completion_tid;
  66                         void *recv_completion_ctx;
  67                         void (*recv_completion)(void *context);
  68                 } recv;
  69                 struct {
  70                         u64 send_completion_tid;
  71                         void *send_completion_ctx;
  72                         void (*send_completion)(void *context);
  73                 } send;
  74         } completion;
  75
  76         /* This points to the memory after page_buf */
  77         void *extension;
  78
  79         u32 total_data_buflen;
  80         /* Points to the send/receive buffer where the ethernet frame is */
  81         void *data;
  82         u32 page_buf_cnt;
  83         struct hv_page_buffer page_buf[0];
  84 };
  85
  86 struct netvsc_device_info {
  87         unsigned char mac_adr[ETH_ALEN];
  88         bool link_state;        /* 0 - link up, 1 - link down */
  89         int  ring_size;
  90 };
  91
  92 enum rndis_device_state {
  93         RNDIS_DEV_UNINITIALIZED = 0,
  94         RNDIS_DEV_INITIALIZING,
  95         RNDIS_DEV_INITIALIZED,
  96         RNDIS_DEV_DATAINITIALIZED,
  97 };
  98
  99 struct rndis_device {
 100         struct netvsc_device *net_dev;
 101
 102         enum rndis_device_state state;
 103         bool link_state;
 104         atomic_t new_req_id;
 105
 106         spinlock_t request_lock;
 107         struct list_head req_list;
 108
 109         unsigned char hw_mac_adr[ETH_ALEN];
 110 };
 111
 112
 113 /* Interface */
 114 int netvsc_device_add(struct hv_device *device, void *additional_info);
 115 int netvsc_device_remove(struct hv_device *device);
 116 int netvsc_send(struct hv_device *device,
 117                 struct hv_netvsc_packet *packet);
 118 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 119                                 unsigned int status);
 120 int netvsc_recv_callback(struct hv_device *device_obj,
 121                         struct hv_netvsc_packet *packet);
 122 int rndis_filter_open(struct hv_device *dev);
 123 int rndis_filter_close(struct hv_device *dev);
 124 int rndis_filter_device_add(struct hv_device *dev,
 125                         void *additional_info);
 126 void rndis_filter_device_remove(struct hv_device *dev);
 127 int rndis_filter_receive(struct hv_device *dev,
 128                         struct hv_netvsc_packet *pkt);
 129
 130
 131
 132 int rndis_filter_send(struct hv_device *dev,
 133                         struct hv_netvsc_packet *pkt);
 134
 135 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 136 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
 137
 138
 139 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 140
 141 #define NVSP_PROTOCOL_VERSION_1         2
 142 #define NVSP_PROTOCOL_VERSION_2         0x30002
 143
 144 enum {
 145         NVSP_MSG_TYPE_NONE = 0,
 146
 147         /* Init Messages */
 148         NVSP_MSG_TYPE_INIT                      = 1,
 149         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 150
 151         NVSP_VERSION_MSG_START                  = 100,
 152
 153         /* Version 1 Messages */
 154         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 155
 156         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 157         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 158         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 159
 160         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 161         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 162         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 163
 164         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 165         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 166
 167         /* Version 2 messages */
 168         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 169         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 170         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 171
 172         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 173
 174         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 175         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 176
 177         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 178
 179         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 180         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 181
 182         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 183         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 184
 185         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 186         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 187
 188         NVSP_MSG2_TYPE_FREE_RXBUF,
 189
 190         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 191         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 192
 193         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 194
 195         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 196         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 197 };
 198
 199 enum {
 200         NVSP_STAT_NONE = 0,
 201         NVSP_STAT_SUCCESS,
 202         NVSP_STAT_FAIL,
 203         NVSP_STAT_PROTOCOL_TOO_NEW,
 204         NVSP_STAT_PROTOCOL_TOO_OLD,
 205         NVSP_STAT_INVALID_RNDIS_PKT,
 206         NVSP_STAT_BUSY,
 207         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 208         NVSP_STAT_MAX,
 209 };
 210
 211 struct nvsp_message_header {
 212         u32 msg_type;
 213 };
 214
 215 /* Init Messages */
 216
 217 /*
 218  * This message is used by the VSC to initialize the channel after the channels
 219  * has been opened. This message should never include anything other then
 220  * versioning (i.e. this message will be the same for ever).
 221  */
 222 struct nvsp_message_init {
 223         u32 min_protocol_ver;
 224         u32 max_protocol_ver;
 225 } __packed;
 226
 227 /*
 228  * This message is used by the VSP to complete the initialization of the
 229  * channel. This message should never include anything other then versioning
 230  * (i.e. this message will be the same for ever).
 231  */
 232 struct nvsp_message_init_complete {
 233         u32 negotiated_protocol_ver;
 234         u32 max_mdl_chain_len;
 235         u32 status;
 236 } __packed;
 237
 238 union nvsp_message_init_uber {
 239         struct nvsp_message_init init;
 240         struct nvsp_message_init_complete init_complete;
 241 } __packed;
 242
 243 /* Version 1 Messages */
 244
 245 /*
 246  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 247  * can use this information when handling OIDs sent by the VSC.
 248  */
 249 struct nvsp_1_message_send_ndis_version {
 250         u32 ndis_major_ver;
 251         u32 ndis_minor_ver;
 252 } __packed;
 253
 254 /*
 255  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 256  * can then use the receive buffer to send data to the VSC.
 257  */
 258 struct nvsp_1_message_send_receive_buffer {
 259         u32 gpadl_handle;
 260         u16 id;
 261 } __packed;
 262
 263 struct nvsp_1_receive_buffer_section {
 264         u32 offset;
 265         u32 sub_alloc_size;
 266         u32 num_sub_allocs;
 267         u32 end_offset;
 268 } __packed;
 269
 270 /*
 271  * This message is used by the VSP to acknowledge a receive buffer send by the
 272  * VSC. This message must be sent by the VSP before the VSP uses the receive
 273  * buffer.
 274  */
 275 struct nvsp_1_message_send_receive_buffer_complete {
 276         u32 status;
 277         u32 num_sections;
 278
 279         /*
 280          * The receive buffer is split into two parts, a large suballocation
 281          * section and a small suballocation section. These sections are then
 282          * suballocated by a certain size.
 283          */
 284
 285         /*
 286          * For example, the following break up of the receive buffer has 6
 287          * large suballocations and 10 small suballocations.
 288          */
 289
 290         /*
 291          * |            Large Section          |  |   Small Section   |
 292          * ------------------------------------------------------------
 293          * |     |     |     |     |     |     |  | | | | | | | | | | |
 294          * |                                      |
 295          *  LargeOffset                            SmallOffset
 296          */
 297
 298         struct nvsp_1_receive_buffer_section sections[1];
 299 } __packed;
 300
 301 /*
 302  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 303  * completes this transaction, the vsp should never use the receive buffer
 304  * again.
 305  */
 306 struct nvsp_1_message_revoke_receive_buffer {
 307         u16 id;
 308 };
 309
 310 /*
 311  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 312  * can then use the send buffer to send data to the VSP.
 313  */
 314 struct nvsp_1_message_send_send_buffer {
 315         u32 gpadl_handle;
 316         u16 id;
 317 } __packed;
 318
 319 /*
 320  * This message is used by the VSP to acknowledge a send buffer sent by the
 321  * VSC. This message must be sent by the VSP before the VSP uses the sent
 322  * buffer.
 323  */
 324 struct nvsp_1_message_send_send_buffer_complete {
 325         u32 status;
 326
 327         /*
 328          * The VSC gets to choose the size of the send buffer and the VSP gets
 329          * to choose the sections size of the buffer.  This was done to enable
 330          * dynamic reconfigurations when the cost of GPA-direct buffers
 331          * decreases.
 332          */
 333         u32 section_size;
 334 } __packed;
 335
 336 /*
 337  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 338  * completes this transaction, the vsp should never use the send buffer again.
 339  */
 340 struct nvsp_1_message_revoke_send_buffer {
 341         u16 id;
 342 };
 343
 344 /*
 345  * This message is used by both the VSP and the VSC to send a RNDIS message to
 346  * the opposite channel endpoint.
 347  */
 348 struct nvsp_1_message_send_rndis_packet {
 349         /*
 350          * This field is specified by RNIDS. They assume there's two different
 351          * channels of communication. However, the Network VSP only has one.
 352          * Therefore, the channel travels with the RNDIS packet.
 353          */
 354         u32 channel_type;
 355
 356         /*
 357          * This field is used to send part or all of the data through a send
 358          * buffer. This values specifies an index into the send buffer. If the
 359          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 360          * of the data was sent through other VMBus mechanisms.
 361          */
 362         u32 send_buf_section_index;
 363         u32 send_buf_section_size;
 364 } __packed;
 365
 366 /*
 367  * This message is used by both the VSP and the VSC to complete a RNDIS message
 368  * to the opposite channel endpoint. At this point, the initiator of this
 369  * message cannot use any resources associated with the original RNDIS packet.
 370  */
 371 struct nvsp_1_message_send_rndis_packet_complete {
 372         u32 status;
 373 };
 374
 375 union nvsp_1_message_uber {
 376         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 377
 378         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 379         struct nvsp_1_message_send_receive_buffer_complete
 380                                                 send_recv_buf_complete;
 381         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 382
 383         struct nvsp_1_message_send_send_buffer send_send_buf;
 384         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 385         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 386
 387         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 388         struct nvsp_1_message_send_rndis_packet_complete
 389                                                 send_rndis_pkt_complete;
 390 } __packed;
 391
 392
 393 /*
 394  * Network VSP protocol version 2 messages:
 395  */
 396 struct nvsp_2_vsc_capability {
 397         union {
 398                 u64 data;
 399                 struct {
 400                         u64 vmq:1;
 401                         u64 chimney:1;
 402                         u64 sriov:1;
 403                         u64 ieee8021q:1;
 404                         u64 correlation_id:1;
 405                 };
 406         };
 407 } __packed;
 408
 409 struct nvsp_2_send_ndis_config {
 410         u32 mtu;
 411         u32 reserved;
 412         struct nvsp_2_vsc_capability capability;
 413 } __packed;
 414
 415 /* Allocate receive buffer */
 416 struct nvsp_2_alloc_rxbuf {
 417         /* Allocation ID to match the allocation request and response */
 418         u32 alloc_id;
 419
 420         /* Length of the VM shared memory receive buffer that needs to
 421          * be allocated
 422          */
 423         u32 len;
 424 } __packed;
 425
 426 /* Allocate receive buffer complete */
 427 struct nvsp_2_alloc_rxbuf_comp {
 428         /* The NDIS_STATUS code for buffer allocation */
 429         u32 status;
 430
 431         u32 alloc_id;
 432
 433         /* GPADL handle for the allocated receive buffer */
 434         u32 gpadl_handle;
 435
 436         /* Receive buffer ID */
 437         u64 recv_buf_id;
 438 } __packed;
 439
 440 struct nvsp_2_free_rxbuf {
 441         u64 recv_buf_id;
 442 } __packed;
 443
 444 union nvsp_2_message_uber {
 445         struct nvsp_2_send_ndis_config send_ndis_config;
 446         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 447         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 448         struct nvsp_2_free_rxbuf free_rxbuf;
 449 } __packed;
 450
 451 union nvsp_all_messages {
 452         union nvsp_message_init_uber init_msg;
 453         union nvsp_1_message_uber v1_msg;
 454         union nvsp_2_message_uber v2_msg;
 455 } __packed;
 456
 457 /* ALL Messages */
 458 struct nvsp_message {
 459         struct nvsp_message_header hdr;
 460         union nvsp_all_messages msg;
 461 } __packed;
 462
 463
 464 #define NETVSC_MTU 65536
 465
 466 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*2)   /* 2MB */
 467
 468 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 469
 470 /* Preallocated receive packets */
 471 #define NETVSC_RECEIVE_PACKETLIST_COUNT         256
 472
 473 #define NETVSC_PACKET_SIZE                      2048
 474
 475 /* Per netvsc channel-specific */
 476 struct netvsc_device {
 477         struct hv_device *dev;
 478
 479         u32 nvsp_version;
 480
 481         atomic_t num_outstanding_sends;
 482         wait_queue_head_t wait_drain;
 483         bool start_remove;
 484         bool destroy;
 485         /*
 486          * List of free preallocated hv_netvsc_packet to represent receive
 487          * packet
 488          */
 489         struct list_head recv_pkt_list;
 490         spinlock_t recv_pkt_list_lock;
 491
 492         /* Receive buffer allocated by us but manages by NetVSP */
 493         void *recv_buf;
 494         u32 recv_buf_size;
 495         u32 recv_buf_gpadl_handle;
 496         u32 recv_section_cnt;
 497         struct nvsp_1_receive_buffer_section *recv_section;
 498
 499         /* Used for NetVSP initialization protocol */
 500         struct completion channel_init_wait;
 501         struct nvsp_message channel_init_pkt;
 502
 503         struct nvsp_message revoke_packet;
 504         /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
 505
 506         struct net_device *ndev;
 507
 508         /* Holds rndis device info */
 509         void *extension;
 510 };
 511
 512 /* NdisInitialize message */
 513 struct rndis_initialize_request {
 514         u32 req_id;
 515         u32 major_ver;
 516         u32 minor_ver;
 517         u32 max_xfer_size;
 518 };
 519
 520 /* Response to NdisInitialize */
 521 struct rndis_initialize_complete {
 522         u32 req_id;
 523         u32 status;
 524         u32 major_ver;
 525         u32 minor_ver;
 526         u32 dev_flags;
 527         u32 medium;
 528         u32 max_pkt_per_msg;
 529         u32 max_xfer_size;
 530         u32 pkt_alignment_factor;
 531         u32 af_list_offset;
 532         u32 af_list_size;
 533 };
 534
 535 /* Call manager devices only: Information about an address family */
 536 /* supported by the device is appended to the response to NdisInitialize. */
 537 struct rndis_co_address_family {
 538         u32 address_family;
 539         u32 major_ver;
 540         u32 minor_ver;
 541 };
 542
 543 /* NdisHalt message */
 544 struct rndis_halt_request {
 545         u32 req_id;
 546 };
 547
 548 /* NdisQueryRequest message */
 549 struct rndis_query_request {
 550         u32 req_id;
 551         u32 oid;
 552         u32 info_buflen;
 553         u32 info_buf_offset;
 554         u32 dev_vc_handle;
 555 };
 556
 557 /* Response to NdisQueryRequest */
 558 struct rndis_query_complete {
 559         u32 req_id;
 560         u32 status;
 561         u32 info_buflen;
 562         u32 info_buf_offset;
 563 };
 564
 565 /* NdisSetRequest message */
 566 struct rndis_set_request {
 567         u32 req_id;
 568         u32 oid;
 569         u32 info_buflen;
 570         u32 info_buf_offset;
 571         u32 dev_vc_handle;
 572 };
 573
 574 /* Response to NdisSetRequest */
 575 struct rndis_set_complete {
 576         u32 req_id;
 577         u32 status;
 578 };
 579
 580 /* NdisReset message */
 581 struct rndis_reset_request {
 582         u32 reserved;
 583 };
 584
 585 /* Response to NdisReset */
 586 struct rndis_reset_complete {
 587         u32 status;
 588         u32 addressing_reset;
 589 };
 590
 591 /* NdisMIndicateStatus message */
 592 struct rndis_indicate_status {
 593         u32 status;
 594         u32 status_buflen;
 595         u32 status_buf_offset;
 596 };
 597
 598 /* Diagnostic information passed as the status buffer in */
 599 /* struct rndis_indicate_status messages signifying error conditions. */
 600 struct rndis_diagnostic_info {
 601         u32 diag_status;
 602         u32 error_offset;
 603 };
 604
 605 /* NdisKeepAlive message */
 606 struct rndis_keepalive_request {
 607         u32 req_id;
 608 };
 609
 610 /* Response to NdisKeepAlive */
 611 struct rndis_keepalive_complete {
 612         u32 req_id;
 613         u32 status;
 614 };
 615
 616 /*
 617  * Data message. All Offset fields contain byte offsets from the beginning of
 618  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 619  * to 0 for connectionless data, otherwise it contains the VC handle.
 620  */
 621 struct rndis_packet {
 622         u32 data_offset;
 623         u32 data_len;
 624         u32 oob_data_offset;
 625         u32 oob_data_len;
 626         u32 num_oob_data_elements;
 627         u32 per_pkt_info_offset;
 628         u32 per_pkt_info_len;
 629         u32 vc_handle;
 630         u32 reserved;
 631 };
 632
 633 /* Optional Out of Band data associated with a Data message. */
 634 struct rndis_oobd {
 635         u32 size;
 636         u32 type;
 637         u32 class_info_offset;
 638 };
 639
 640 /* Packet extension field contents associated with a Data message. */
 641 struct rndis_per_packet_info {
 642         u32 size;
 643         u32 type;
 644         u32 ppi_offset;
 645 };
 646
 647 enum ndis_per_pkt_info_type {
 648         TCPIP_CHKSUM_PKTINFO,
 649         IPSEC_PKTINFO,
 650         TCP_LARGESEND_PKTINFO,
 651         CLASSIFICATION_HANDLE_PKTINFO,
 652         NDIS_RESERVED,
 653         SG_LIST_PKTINFO,
 654         IEEE_8021Q_INFO,
 655         ORIGINAL_PKTINFO,
 656         PACKET_CANCEL_ID,
 657         ORIGINAL_NET_BUFLIST,
 658         CACHED_NET_BUFLIST,
 659         SHORT_PKT_PADINFO,
 660         MAX_PER_PKT_INFO
 661 };
 662
 663 struct ndis_pkt_8021q_info {
 664         union {
 665                 struct {
 666                         u32 pri:3; /* User Priority */
 667                         u32 cfi:1; /* Canonical Format ID */
 668                         u32 vlanid:12; /* VLAN ID */
 669                         u32 reserved:16;
 670                 };
 671                 u32 value;
 672         };
 673 };
 674
 675 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
 676                 sizeof(struct ndis_pkt_8021q_info))
 677
 678 /* Format of Information buffer passed in a SetRequest for the OID */
 679 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
 680 struct rndis_config_parameter_info {
 681         u32 parameter_name_offset;
 682         u32 parameter_name_length;
 683         u32 parameter_type;
 684         u32 parameter_value_offset;
 685         u32 parameter_value_length;
 686 };
 687
 688 /* Values for ParameterType in struct rndis_config_parameter_info */
 689 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
 690 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
 691
 692 /* CONDIS Miniport messages for connection oriented devices */
 693 /* that do not implement a call manager. */
 694
 695 /* CoNdisMiniportCreateVc message */
 696 struct rcondis_mp_create_vc {
 697         u32 req_id;
 698         u32 ndis_vc_handle;
 699 };
 700
 701 /* Response to CoNdisMiniportCreateVc */
 702 struct rcondis_mp_create_vc_complete {
 703         u32 req_id;
 704         u32 dev_vc_handle;
 705         u32 status;
 706 };
 707
 708 /* CoNdisMiniportDeleteVc message */
 709 struct rcondis_mp_delete_vc {
 710         u32 req_id;
 711         u32 dev_vc_handle;
 712 };
 713
 714 /* Response to CoNdisMiniportDeleteVc */
 715 struct rcondis_mp_delete_vc_complete {
 716         u32 req_id;
 717         u32 status;
 718 };
 719
 720 /* CoNdisMiniportQueryRequest message */
 721 struct rcondis_mp_query_request {
 722         u32 req_id;
 723         u32 request_type;
 724         u32 oid;
 725         u32 dev_vc_handle;
 726         u32 info_buflen;
 727         u32 info_buf_offset;
 728 };
 729
 730 /* CoNdisMiniportSetRequest message */
 731 struct rcondis_mp_set_request {
 732         u32 req_id;
 733         u32 request_type;
 734         u32 oid;
 735         u32 dev_vc_handle;
 736         u32 info_buflen;
 737         u32 info_buf_offset;
 738 };
 739
 740 /* CoNdisIndicateStatus message */
 741 struct rcondis_indicate_status {
 742         u32 ndis_vc_handle;
 743         u32 status;
 744         u32 status_buflen;
 745         u32 status_buf_offset;
 746 };
 747
 748 /* CONDIS Call/VC parameters */
 749 struct rcondis_specific_parameters {
 750         u32 parameter_type;
 751         u32 parameter_length;
 752         u32 parameter_lffset;
 753 };
 754
 755 struct rcondis_media_parameters {
 756         u32 flags;
 757         u32 reserved1;
 758         u32 reserved2;
 759         struct rcondis_specific_parameters media_specific;
 760 };
 761
 762 struct rndis_flowspec {
 763         u32 token_rate;
 764         u32 token_bucket_size;
 765         u32 peak_bandwidth;
 766         u32 latency;
 767         u32 delay_variation;
 768         u32 service_type;
 769         u32 max_sdu_size;
 770         u32 minimum_policed_size;
 771 };
 772
 773 struct rcondis_call_manager_parameters {
 774         struct rndis_flowspec transmit;
 775         struct rndis_flowspec receive;
 776         struct rcondis_specific_parameters call_mgr_specific;
 777 };
 778
 779 /* CoNdisMiniportActivateVc message */
 780 struct rcondis_mp_activate_vc_request {
 781         u32 req_id;
 782         u32 flags;
 783         u32 dev_vc_handle;
 784         u32 media_params_offset;
 785         u32 media_params_length;
 786         u32 call_mgr_params_offset;
 787         u32 call_mgr_params_length;
 788 };
 789
 790 /* Response to CoNdisMiniportActivateVc */
 791 struct rcondis_mp_activate_vc_complete {
 792         u32 req_id;
 793         u32 status;
 794 };
 795
 796 /* CoNdisMiniportDeactivateVc message */
 797 struct rcondis_mp_deactivate_vc_request {
 798         u32 req_id;
 799         u32 flags;
 800         u32 dev_vc_handle;
 801 };
 802
 803 /* Response to CoNdisMiniportDeactivateVc */
 804 struct rcondis_mp_deactivate_vc_complete {
 805         u32 req_id;
 806         u32 status;
 807 };
 808
 809
 810 /* union with all of the RNDIS messages */
 811 union rndis_message_container {
 812         struct rndis_packet pkt;
 813         struct rndis_initialize_request init_req;
 814         struct rndis_halt_request halt_req;
 815         struct rndis_query_request query_req;
 816         struct rndis_set_request set_req;
 817         struct rndis_reset_request reset_req;
 818         struct rndis_keepalive_request keep_alive_req;
 819         struct rndis_indicate_status indicate_status;
 820         struct rndis_initialize_complete init_complete;
 821         struct rndis_query_complete query_complete;
 822         struct rndis_set_complete set_complete;
 823         struct rndis_reset_complete reset_complete;
 824         struct rndis_keepalive_complete keep_alive_complete;
 825         struct rcondis_mp_create_vc co_miniport_create_vc;
 826         struct rcondis_mp_delete_vc co_miniport_delete_vc;
 827         struct rcondis_indicate_status co_indicate_status;
 828         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
 829         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
 830         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
 831         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
 832         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
 833         struct rcondis_mp_deactivate_vc_complete
 834                 co_miniport_deactivate_vc_complete;
 835 };
 836
 837 /* Remote NDIS message format */
 838 struct rndis_message {
 839         u32 ndis_msg_type;
 840
 841         /* Total length of this message, from the beginning */
 842         /* of the sruct rndis_message, in bytes. */
 843         u32 msg_len;
 844
 845         /* Actual message */
 846         union rndis_message_container msg;
 847 };
 848
 849
 850 struct rndis_filter_packet {
 851         void *completion_ctx;
 852         void (*completion)(void *context);
 853         struct rndis_message msg;
 854 };
 855
 856 /* Handy macros */
 857
 858 /* get the size of an RNDIS message. Pass in the message type, */
 859 /* struct rndis_set_request, struct rndis_packet for example */
 860 #define RNDIS_MESSAGE_SIZE(msg)                         \
 861         (sizeof(msg) + (sizeof(struct rndis_message) -  \
 862          sizeof(union rndis_message_container)))
 863
 864 /* get pointer to info buffer with message pointer */
 865 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
 866         (((unsigned char *)(msg)) + msg->info_buf_offset)
 867
 868 /* get pointer to status buffer with message pointer */
 869 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
 870         (((unsigned char *)(msg)) + msg->status_buf_offset)
 871
 872 /* get pointer to OOBD buffer with message pointer */
 873 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
 874         (((unsigned char *)(msg)) + msg->oob_data_offset)
 875
 876 /* get pointer to data buffer with message pointer */
 877 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
 878         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
 879
 880 /* get pointer to contained message from NDIS_MESSAGE pointer */
 881 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
 882         ((void *) &rndis_msg->msg)
 883
 884 /* get pointer to contained message from NDIS_MESSAGE pointer */
 885 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
 886         ((void *) rndis_msg)
 887
 888
 889 #define __struct_bcount(x)
 890
 891
 892
 893 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
 894                                  sizeof(union rndis_message_container))
 895
 896 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
 897 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
 898 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
 899 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
 900 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
 901 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
 902 #define NDIS_PACKET_TYPE_SMT            0x00000040
 903 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
 904 #define NDIS_PACKET_TYPE_GROUP          0x00000100
 905 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
 906 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
 907 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
 908
 909
 910
 911 #endif /* _HYPERV_NET_H */