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, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Authors:
  18  *   Haiyang Zhang <haiyangz@microsoft.com>
  19  *   Hank Janssen  <hjanssen@microsoft.com>
  20  *   K. Y. Srinivasan <kys@microsoft.com>
  21  *
  22  */
  23
  24 #ifndef _HYPERV_NET_H
  25 #define _HYPERV_NET_H
  26
  27 #include <linux/list.h>
  28 #include <linux/hyperv.h>
  29 #include <linux/rndis.h>
  30
  31 /* RSS related */
  32 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203  /* query only */
  33 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204  /* query and set */
  34
  35 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88
  36 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89
  37
  38 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
  39 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
  40
  41 struct ndis_obj_header {
  42         u8 type;
  43         u8 rev;
  44         u16 size;
  45 } __packed;
  46
  47 /* ndis_recv_scale_cap/cap_flag */
  48 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
  49 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR       0x02000000
  50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC       0x04000000
  51 #define NDIS_RSS_CAPS_USING_MSI_X                 0x08000000
  52 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS      0x10000000
  53 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X              0x20000000
  54 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4          0x00000100
  55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6          0x00000200
  56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX       0x00000400
  57
  58 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
  59         struct ndis_obj_header hdr;
  60         u32 cap_flag;
  61         u32 num_int_msg;
  62         u32 num_recv_que;
  63         u16 num_indirect_tabent;
  64 } __packed;
  65
  66
  67 /* ndis_recv_scale_param flags */
  68 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED     0x0001
  69 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED    0x0002
  70 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED       0x0004
  71 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED     0x0008
  72 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS            0x0010
  73
  74 /* Hash info bits */
  75 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
  76 #define NDIS_HASH_IPV4          0x00000100
  77 #define NDIS_HASH_TCP_IPV4      0x00000200
  78 #define NDIS_HASH_IPV6          0x00000400
  79 #define NDIS_HASH_IPV6_EX       0x00000800
  80 #define NDIS_HASH_TCP_IPV6      0x00001000
  81 #define NDIS_HASH_TCP_IPV6_EX   0x00002000
  82
  83 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
  84 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2   40
  85
  86 #define ITAB_NUM 128
  87 #define HASH_KEYLEN NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2
  88 extern u8 netvsc_hash_key[];
  89
  90 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
  91         struct ndis_obj_header hdr;
  92
  93         /* Qualifies the rest of the information */
  94         u16 flag;
  95
  96         /* The base CPU number to do receive processing. not used */
  97         u16 base_cpu_number;
  98
  99         /* This describes the hash function and type being enabled */
 100         u32 hashinfo;
 101
 102         /* The size of indirection table array */
 103         u16 indirect_tabsize;
 104
 105         /* The offset of the indirection table from the beginning of this
 106          * structure
 107          */
 108         u32 indirect_taboffset;
 109
 110         /* The size of the hash secret key */
 111         u16 hashkey_size;
 112
 113         /* The offset of the secret key from the beginning of this structure */
 114         u32 kashkey_offset;
 115
 116         u32 processor_masks_offset;
 117         u32 num_processor_masks;
 118         u32 processor_masks_entry_size;
 119 };
 120
 121 /* Fwd declaration */
 122 struct ndis_tcp_ip_checksum_info;
 123
 124 /*
 125  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
 126  * within the RNDIS
 127  */
 128 struct hv_netvsc_packet {
 129         /* Bookkeeping stuff */
 130         u32 status;
 131
 132         bool is_data_pkt;
 133         bool xmit_more; /* from skb */
 134         bool cp_partial; /* partial copy into send buffer */
 135
 136         u16 vlan_tci;
 137
 138         u16 q_idx;
 139         struct vmbus_channel *channel;
 140
 141         u64 send_completion_tid;
 142         void *send_completion_ctx;
 143         void (*send_completion)(void *context);
 144
 145         u32 send_buf_index;
 146
 147         /* This points to the memory after page_buf */
 148         struct rndis_message *rndis_msg;
 149
 150         u32 rmsg_size; /* RNDIS header and PPI size */
 151         u32 rmsg_pgcnt; /* page count of RNDIS header and PPI */
 152
 153         u32 total_data_buflen;
 154         /* Points to the send/receive buffer where the ethernet frame is */
 155         void *data;
 156         u32 page_buf_cnt;
 157         struct hv_page_buffer *page_buf;
 158 };
 159
 160 struct netvsc_device_info {
 161         unsigned char mac_adr[ETH_ALEN];
 162         bool link_state;        /* 0 - link up, 1 - link down */
 163         int  ring_size;
 164         u32  max_num_vrss_chns;
 165         u32  num_chn;
 166 };
 167
 168 enum rndis_device_state {
 169         RNDIS_DEV_UNINITIALIZED = 0,
 170         RNDIS_DEV_INITIALIZING,
 171         RNDIS_DEV_INITIALIZED,
 172         RNDIS_DEV_DATAINITIALIZED,
 173 };
 174
 175 struct rndis_device {
 176         struct netvsc_device *net_dev;
 177
 178         enum rndis_device_state state;
 179         bool link_state;
 180         bool link_change;
 181         atomic_t new_req_id;
 182
 183         spinlock_t request_lock;
 184         struct list_head req_list;
 185
 186         unsigned char hw_mac_adr[ETH_ALEN];
 187 };
 188
 189
 190 /* Interface */
 191 int netvsc_device_add(struct hv_device *device, void *additional_info);
 192 int netvsc_device_remove(struct hv_device *device);
 193 int netvsc_send(struct hv_device *device,
 194                 struct hv_netvsc_packet *packet);
 195 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 196                                 struct rndis_message *resp);
 197 void netvsc_xmit_completion(void *context);
 198 int netvsc_recv_callback(struct hv_device *device_obj,
 199                         struct hv_netvsc_packet *packet,
 200                         struct ndis_tcp_ip_checksum_info *csum_info);
 201 void netvsc_channel_cb(void *context);
 202 int rndis_filter_open(struct hv_device *dev);
 203 int rndis_filter_close(struct hv_device *dev);
 204 int rndis_filter_device_add(struct hv_device *dev,
 205                         void *additional_info);
 206 void rndis_filter_device_remove(struct hv_device *dev);
 207 int rndis_filter_receive(struct hv_device *dev,
 208                         struct hv_netvsc_packet *pkt);
 209
 210 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 211 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
 212
 213
 214 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 215
 216 #define NVSP_PROTOCOL_VERSION_1         2
 217 #define NVSP_PROTOCOL_VERSION_2         0x30002
 218 #define NVSP_PROTOCOL_VERSION_4         0x40000
 219 #define NVSP_PROTOCOL_VERSION_5         0x50000
 220
 221 enum {
 222         NVSP_MSG_TYPE_NONE = 0,
 223
 224         /* Init Messages */
 225         NVSP_MSG_TYPE_INIT                      = 1,
 226         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 227
 228         NVSP_VERSION_MSG_START                  = 100,
 229
 230         /* Version 1 Messages */
 231         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 232
 233         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 234         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 235         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 236
 237         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 238         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 239         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 240
 241         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 242         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 243
 244         /* Version 2 messages */
 245         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 246         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 247         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 248
 249         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 250
 251         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 252         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 253
 254         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 255
 256         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 257         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 258
 259         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 260         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 261
 262         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 263         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 264
 265         NVSP_MSG2_TYPE_FREE_RXBUF,
 266
 267         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 268         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 269
 270         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 271
 272         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 273         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 274
 275         NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 276
 277         /* Version 4 messages */
 278         NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
 279         NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
 280         NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 281
 282         NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 283
 284         /* Version 5 messages */
 285         NVSP_MSG5_TYPE_OID_QUERY_EX,
 286         NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
 287         NVSP_MSG5_TYPE_SUBCHANNEL,
 288         NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 289
 290         NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 291 };
 292
 293 enum {
 294         NVSP_STAT_NONE = 0,
 295         NVSP_STAT_SUCCESS,
 296         NVSP_STAT_FAIL,
 297         NVSP_STAT_PROTOCOL_TOO_NEW,
 298         NVSP_STAT_PROTOCOL_TOO_OLD,
 299         NVSP_STAT_INVALID_RNDIS_PKT,
 300         NVSP_STAT_BUSY,
 301         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 302         NVSP_STAT_MAX,
 303 };
 304
 305 struct nvsp_message_header {
 306         u32 msg_type;
 307 };
 308
 309 /* Init Messages */
 310
 311 /*
 312  * This message is used by the VSC to initialize the channel after the channels
 313  * has been opened. This message should never include anything other then
 314  * versioning (i.e. this message will be the same for ever).
 315  */
 316 struct nvsp_message_init {
 317         u32 min_protocol_ver;
 318         u32 max_protocol_ver;
 319 } __packed;
 320
 321 /*
 322  * This message is used by the VSP to complete the initialization of the
 323  * channel. This message should never include anything other then versioning
 324  * (i.e. this message will be the same for ever).
 325  */
 326 struct nvsp_message_init_complete {
 327         u32 negotiated_protocol_ver;
 328         u32 max_mdl_chain_len;
 329         u32 status;
 330 } __packed;
 331
 332 union nvsp_message_init_uber {
 333         struct nvsp_message_init init;
 334         struct nvsp_message_init_complete init_complete;
 335 } __packed;
 336
 337 /* Version 1 Messages */
 338
 339 /*
 340  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 341  * can use this information when handling OIDs sent by the VSC.
 342  */
 343 struct nvsp_1_message_send_ndis_version {
 344         u32 ndis_major_ver;
 345         u32 ndis_minor_ver;
 346 } __packed;
 347
 348 /*
 349  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 350  * can then use the receive buffer to send data to the VSC.
 351  */
 352 struct nvsp_1_message_send_receive_buffer {
 353         u32 gpadl_handle;
 354         u16 id;
 355 } __packed;
 356
 357 struct nvsp_1_receive_buffer_section {
 358         u32 offset;
 359         u32 sub_alloc_size;
 360         u32 num_sub_allocs;
 361         u32 end_offset;
 362 } __packed;
 363
 364 /*
 365  * This message is used by the VSP to acknowledge a receive buffer send by the
 366  * VSC. This message must be sent by the VSP before the VSP uses the receive
 367  * buffer.
 368  */
 369 struct nvsp_1_message_send_receive_buffer_complete {
 370         u32 status;
 371         u32 num_sections;
 372
 373         /*
 374          * The receive buffer is split into two parts, a large suballocation
 375          * section and a small suballocation section. These sections are then
 376          * suballocated by a certain size.
 377          */
 378
 379         /*
 380          * For example, the following break up of the receive buffer has 6
 381          * large suballocations and 10 small suballocations.
 382          */
 383
 384         /*
 385          * |            Large Section          |  |   Small Section   |
 386          * ------------------------------------------------------------
 387          * |     |     |     |     |     |     |  | | | | | | | | | | |
 388          * |                                      |
 389          *  LargeOffset                            SmallOffset
 390          */
 391
 392         struct nvsp_1_receive_buffer_section sections[1];
 393 } __packed;
 394
 395 /*
 396  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 397  * completes this transaction, the vsp should never use the receive buffer
 398  * again.
 399  */
 400 struct nvsp_1_message_revoke_receive_buffer {
 401         u16 id;
 402 };
 403
 404 /*
 405  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 406  * can then use the send buffer to send data to the VSP.
 407  */
 408 struct nvsp_1_message_send_send_buffer {
 409         u32 gpadl_handle;
 410         u16 id;
 411 } __packed;
 412
 413 /*
 414  * This message is used by the VSP to acknowledge a send buffer sent by the
 415  * VSC. This message must be sent by the VSP before the VSP uses the sent
 416  * buffer.
 417  */
 418 struct nvsp_1_message_send_send_buffer_complete {
 419         u32 status;
 420
 421         /*
 422          * The VSC gets to choose the size of the send buffer and the VSP gets
 423          * to choose the sections size of the buffer.  This was done to enable
 424          * dynamic reconfigurations when the cost of GPA-direct buffers
 425          * decreases.
 426          */
 427         u32 section_size;
 428 } __packed;
 429
 430 /*
 431  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 432  * completes this transaction, the vsp should never use the send buffer again.
 433  */
 434 struct nvsp_1_message_revoke_send_buffer {
 435         u16 id;
 436 };
 437
 438 /*
 439  * This message is used by both the VSP and the VSC to send a RNDIS message to
 440  * the opposite channel endpoint.
 441  */
 442 struct nvsp_1_message_send_rndis_packet {
 443         /*
 444          * This field is specified by RNIDS. They assume there's two different
 445          * channels of communication. However, the Network VSP only has one.
 446          * Therefore, the channel travels with the RNDIS packet.
 447          */
 448         u32 channel_type;
 449
 450         /*
 451          * This field is used to send part or all of the data through a send
 452          * buffer. This values specifies an index into the send buffer. If the
 453          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 454          * of the data was sent through other VMBus mechanisms.
 455          */
 456         u32 send_buf_section_index;
 457         u32 send_buf_section_size;
 458 } __packed;
 459
 460 /*
 461  * This message is used by both the VSP and the VSC to complete a RNDIS message
 462  * to the opposite channel endpoint. At this point, the initiator of this
 463  * message cannot use any resources associated with the original RNDIS packet.
 464  */
 465 struct nvsp_1_message_send_rndis_packet_complete {
 466         u32 status;
 467 };
 468
 469 union nvsp_1_message_uber {
 470         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 471
 472         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 473         struct nvsp_1_message_send_receive_buffer_complete
 474                                                 send_recv_buf_complete;
 475         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 476
 477         struct nvsp_1_message_send_send_buffer send_send_buf;
 478         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 479         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 480
 481         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 482         struct nvsp_1_message_send_rndis_packet_complete
 483                                                 send_rndis_pkt_complete;
 484 } __packed;
 485
 486
 487 /*
 488  * Network VSP protocol version 2 messages:
 489  */
 490 struct nvsp_2_vsc_capability {
 491         union {
 492                 u64 data;
 493                 struct {
 494                         u64 vmq:1;
 495                         u64 chimney:1;
 496                         u64 sriov:1;
 497                         u64 ieee8021q:1;
 498                         u64 correlation_id:1;
 499                 };
 500         };
 501 } __packed;
 502
 503 struct nvsp_2_send_ndis_config {
 504         u32 mtu;
 505         u32 reserved;
 506         struct nvsp_2_vsc_capability capability;
 507 } __packed;
 508
 509 /* Allocate receive buffer */
 510 struct nvsp_2_alloc_rxbuf {
 511         /* Allocation ID to match the allocation request and response */
 512         u32 alloc_id;
 513
 514         /* Length of the VM shared memory receive buffer that needs to
 515          * be allocated
 516          */
 517         u32 len;
 518 } __packed;
 519
 520 /* Allocate receive buffer complete */
 521 struct nvsp_2_alloc_rxbuf_comp {
 522         /* The NDIS_STATUS code for buffer allocation */
 523         u32 status;
 524
 525         u32 alloc_id;
 526
 527         /* GPADL handle for the allocated receive buffer */
 528         u32 gpadl_handle;
 529
 530         /* Receive buffer ID */
 531         u64 recv_buf_id;
 532 } __packed;
 533
 534 struct nvsp_2_free_rxbuf {
 535         u64 recv_buf_id;
 536 } __packed;
 537
 538 union nvsp_2_message_uber {
 539         struct nvsp_2_send_ndis_config send_ndis_config;
 540         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 541         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 542         struct nvsp_2_free_rxbuf free_rxbuf;
 543 } __packed;
 544
 545 struct nvsp_4_send_vf_association {
 546         /* 1: allocated, serial number is valid. 0: not allocated */
 547         u32 allocated;
 548
 549         /* Serial number of the VF to team with */
 550         u32 serial;
 551 } __packed;
 552
 553 enum nvsp_vm_datapath {
 554         NVSP_DATAPATH_SYNTHETIC = 0,
 555         NVSP_DATAPATH_VF,
 556         NVSP_DATAPATH_MAX
 557 };
 558
 559 struct nvsp_4_sw_datapath {
 560         u32 active_datapath; /* active data path in VM */
 561 } __packed;
 562
 563 union nvsp_4_message_uber {
 564         struct nvsp_4_send_vf_association vf_assoc;
 565         struct nvsp_4_sw_datapath active_dp;
 566 } __packed;
 567
 568 enum nvsp_subchannel_operation {
 569         NVSP_SUBCHANNEL_NONE = 0,
 570         NVSP_SUBCHANNEL_ALLOCATE,
 571         NVSP_SUBCHANNEL_MAX
 572 };
 573
 574 struct nvsp_5_subchannel_request {
 575         u32 op;
 576         u32 num_subchannels;
 577 } __packed;
 578
 579 struct nvsp_5_subchannel_complete {
 580         u32 status;
 581         u32 num_subchannels; /* Actual number of subchannels allocated */
 582 } __packed;
 583
 584 struct nvsp_5_send_indirect_table {
 585         /* The number of entries in the send indirection table */
 586         u32 count;
 587
 588         /* The offset of the send indireciton table from top of this struct.
 589          * The send indirection table tells which channel to put the send
 590          * traffic on. Each entry is a channel number.
 591          */
 592         u32 offset;
 593 } __packed;
 594
 595 union nvsp_5_message_uber {
 596         struct nvsp_5_subchannel_request subchn_req;
 597         struct nvsp_5_subchannel_complete subchn_comp;
 598         struct nvsp_5_send_indirect_table send_table;
 599 } __packed;
 600
 601 union nvsp_all_messages {
 602         union nvsp_message_init_uber init_msg;
 603         union nvsp_1_message_uber v1_msg;
 604         union nvsp_2_message_uber v2_msg;
 605         union nvsp_4_message_uber v4_msg;
 606         union nvsp_5_message_uber v5_msg;
 607 } __packed;
 608
 609 /* ALL Messages */
 610 struct nvsp_message {
 611         struct nvsp_message_header hdr;
 612         union nvsp_all_messages msg;
 613 } __packed;
 614
 615
 616 #define NETVSC_MTU 65536
 617 #define NETVSC_MTU_MIN 68
 618
 619 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*16)  /* 16MB */
 620 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY       (1024*1024*15)  /* 15MB */
 621 #define NETVSC_SEND_BUFFER_SIZE                 (1024 * 1024 * 15)   /* 15MB */
 622 #define NETVSC_INVALID_INDEX                    -1
 623
 624
 625 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 626 #define NETVSC_SEND_BUFFER_ID                   0
 627
 628 #define NETVSC_PACKET_SIZE                      4096
 629
 630 #define VRSS_SEND_TAB_SIZE 16
 631
 632 #define RNDIS_MAX_PKT_DEFAULT 8
 633 #define RNDIS_PKT_ALIGN_DEFAULT 8
 634
 635 struct multi_send_data {
 636         spinlock_t lock; /* protect struct multi_send_data */
 637         struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
 638         u32 count; /* counter of batched packets */
 639 };
 640
 641 struct netvsc_stats {
 642         u64 packets;
 643         u64 bytes;
 644         struct u64_stats_sync syncp;
 645 };
 646
 647 /* The context of the netvsc device  */
 648 struct net_device_context {
 649         /* point back to our device context */
 650         struct hv_device *device_ctx;
 651         struct delayed_work dwork;
 652         struct work_struct work;
 653         u32 msg_enable; /* debug level */
 654
 655         struct netvsc_stats __percpu *tx_stats;
 656         struct netvsc_stats __percpu *rx_stats;
 657 };
 658
 659 /* Per netvsc device */
 660 struct netvsc_device {
 661         struct hv_device *dev;
 662
 663         u32 nvsp_version;
 664
 665         atomic_t num_outstanding_sends;
 666         wait_queue_head_t wait_drain;
 667         bool start_remove;
 668         bool destroy;
 669
 670         /* Receive buffer allocated by us but manages by NetVSP */
 671         void *recv_buf;
 672         u32 recv_buf_size;
 673         u32 recv_buf_gpadl_handle;
 674         u32 recv_section_cnt;
 675         struct nvsp_1_receive_buffer_section *recv_section;
 676
 677         /* Send buffer allocated by us */
 678         void *send_buf;
 679         u32 send_buf_size;
 680         u32 send_buf_gpadl_handle;
 681         u32 send_section_cnt;
 682         u32 send_section_size;
 683         unsigned long *send_section_map;
 684         int map_words;
 685
 686         /* Used for NetVSP initialization protocol */
 687         struct completion channel_init_wait;
 688         struct nvsp_message channel_init_pkt;
 689
 690         struct nvsp_message revoke_packet;
 691         /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
 692
 693         struct net_device *ndev;
 694
 695         struct vmbus_channel *chn_table[NR_CPUS];
 696         u32 send_table[VRSS_SEND_TAB_SIZE];
 697         u32 max_chn;
 698         u32 num_chn;
 699         spinlock_t sc_lock; /* Protects num_sc_offered variable */
 700         u32 num_sc_offered;
 701         atomic_t queue_sends[NR_CPUS];
 702
 703         /* Holds rndis device info */
 704         void *extension;
 705
 706         int ring_size;
 707
 708         /* The primary channel callback buffer */
 709         unsigned char *cb_buffer;
 710         /* The sub channel callback buffer */
 711         unsigned char *sub_cb_buf;
 712
 713         struct multi_send_data msd[NR_CPUS];
 714         u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
 715         u32 pkt_align; /* alignment bytes, e.g. 8 */
 716
 717         /* The net device context */
 718         struct net_device_context *nd_ctx;
 719
 720         /* 1: allocated, serial number is valid. 0: not allocated */
 721         u32 vf_alloc;
 722         /* Serial number of the VF to team with */
 723         u32 vf_serial;
 724 };
 725
 726 /* NdisInitialize message */
 727 struct rndis_initialize_request {
 728         u32 req_id;
 729         u32 major_ver;
 730         u32 minor_ver;
 731         u32 max_xfer_size;
 732 };
 733
 734 /* Response to NdisInitialize */
 735 struct rndis_initialize_complete {
 736         u32 req_id;
 737         u32 status;
 738         u32 major_ver;
 739         u32 minor_ver;
 740         u32 dev_flags;
 741         u32 medium;
 742         u32 max_pkt_per_msg;
 743         u32 max_xfer_size;
 744         u32 pkt_alignment_factor;
 745         u32 af_list_offset;
 746         u32 af_list_size;
 747 };
 748
 749 /* Call manager devices only: Information about an address family */
 750 /* supported by the device is appended to the response to NdisInitialize. */
 751 struct rndis_co_address_family {
 752         u32 address_family;
 753         u32 major_ver;
 754         u32 minor_ver;
 755 };
 756
 757 /* NdisHalt message */
 758 struct rndis_halt_request {
 759         u32 req_id;
 760 };
 761
 762 /* NdisQueryRequest message */
 763 struct rndis_query_request {
 764         u32 req_id;
 765         u32 oid;
 766         u32 info_buflen;
 767         u32 info_buf_offset;
 768         u32 dev_vc_handle;
 769 };
 770
 771 /* Response to NdisQueryRequest */
 772 struct rndis_query_complete {
 773         u32 req_id;
 774         u32 status;
 775         u32 info_buflen;
 776         u32 info_buf_offset;
 777 };
 778
 779 /* NdisSetRequest message */
 780 struct rndis_set_request {
 781         u32 req_id;
 782         u32 oid;
 783         u32 info_buflen;
 784         u32 info_buf_offset;
 785         u32 dev_vc_handle;
 786 };
 787
 788 /* Response to NdisSetRequest */
 789 struct rndis_set_complete {
 790         u32 req_id;
 791         u32 status;
 792 };
 793
 794 /* NdisReset message */
 795 struct rndis_reset_request {
 796         u32 reserved;
 797 };
 798
 799 /* Response to NdisReset */
 800 struct rndis_reset_complete {
 801         u32 status;
 802         u32 addressing_reset;
 803 };
 804
 805 /* NdisMIndicateStatus message */
 806 struct rndis_indicate_status {
 807         u32 status;
 808         u32 status_buflen;
 809         u32 status_buf_offset;
 810 };
 811
 812 /* Diagnostic information passed as the status buffer in */
 813 /* struct rndis_indicate_status messages signifying error conditions. */
 814 struct rndis_diagnostic_info {
 815         u32 diag_status;
 816         u32 error_offset;
 817 };
 818
 819 /* NdisKeepAlive message */
 820 struct rndis_keepalive_request {
 821         u32 req_id;
 822 };
 823
 824 /* Response to NdisKeepAlive */
 825 struct rndis_keepalive_complete {
 826         u32 req_id;
 827         u32 status;
 828 };
 829
 830 /*
 831  * Data message. All Offset fields contain byte offsets from the beginning of
 832  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 833  * to 0 for connectionless data, otherwise it contains the VC handle.
 834  */
 835 struct rndis_packet {
 836         u32 data_offset;
 837         u32 data_len;
 838         u32 oob_data_offset;
 839         u32 oob_data_len;
 840         u32 num_oob_data_elements;
 841         u32 per_pkt_info_offset;
 842         u32 per_pkt_info_len;
 843         u32 vc_handle;
 844         u32 reserved;
 845 };
 846
 847 /* Optional Out of Band data associated with a Data message. */
 848 struct rndis_oobd {
 849         u32 size;
 850         u32 type;
 851         u32 class_info_offset;
 852 };
 853
 854 /* Packet extension field contents associated with a Data message. */
 855 struct rndis_per_packet_info {
 856         u32 size;
 857         u32 type;
 858         u32 ppi_offset;
 859 };
 860
 861 enum ndis_per_pkt_info_type {
 862         TCPIP_CHKSUM_PKTINFO,
 863         IPSEC_PKTINFO,
 864         TCP_LARGESEND_PKTINFO,
 865         CLASSIFICATION_HANDLE_PKTINFO,
 866         NDIS_RESERVED,
 867         SG_LIST_PKTINFO,
 868         IEEE_8021Q_INFO,
 869         ORIGINAL_PKTINFO,
 870         PACKET_CANCEL_ID,
 871         NBL_HASH_VALUE = PACKET_CANCEL_ID,
 872         ORIGINAL_NET_BUFLIST,
 873         CACHED_NET_BUFLIST,
 874         SHORT_PKT_PADINFO,
 875         MAX_PER_PKT_INFO
 876 };
 877
 878 struct ndis_pkt_8021q_info {
 879         union {
 880                 struct {
 881                         u32 pri:3; /* User Priority */
 882                         u32 cfi:1; /* Canonical Format ID */
 883                         u32 vlanid:12; /* VLAN ID */
 884                         u32 reserved:16;
 885                 };
 886                 u32 value;
 887         };
 888 };
 889
 890 struct ndis_oject_header {
 891         u8 type;
 892         u8 revision;
 893         u16 size;
 894 };
 895
 896 #define NDIS_OBJECT_TYPE_DEFAULT        0x80
 897 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
 898 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
 899 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
 900 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
 901 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
 902 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
 903 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
 904 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
 905 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
 906 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 907 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 908
 909 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE     1
 910 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4        0
 911 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6        1
 912
 913 #define VERSION_4_OFFLOAD_SIZE                  22
 914 /*
 915  * New offload OIDs for NDIS 6
 916  */
 917 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
 918 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C           /* set only */
 919 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
 920 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
 921 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
 922 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
 923
 924 struct ndis_offload_params {
 925         struct ndis_oject_header header;
 926         u8 ip_v4_csum;
 927         u8 tcp_ip_v4_csum;
 928         u8 udp_ip_v4_csum;
 929         u8 tcp_ip_v6_csum;
 930         u8 udp_ip_v6_csum;
 931         u8 lso_v1;
 932         u8 ip_sec_v1;
 933         u8 lso_v2_ipv4;
 934         u8 lso_v2_ipv6;
 935         u8 tcp_connection_ip_v4;
 936         u8 tcp_connection_ip_v6;
 937         u32 flags;
 938         u8 ip_sec_v2;
 939         u8 ip_sec_v2_ip_v4;
 940         struct {
 941                 u8 rsc_ip_v4;
 942                 u8 rsc_ip_v6;
 943         };
 944         struct {
 945                 u8 encapsulated_packet_task_offload;
 946                 u8 encapsulation_types;
 947         };
 948 };
 949
 950 struct ndis_tcp_ip_checksum_info {
 951         union {
 952                 struct {
 953                         u32 is_ipv4:1;
 954                         u32 is_ipv6:1;
 955                         u32 tcp_checksum:1;
 956                         u32 udp_checksum:1;
 957                         u32 ip_header_checksum:1;
 958                         u32 reserved:11;
 959                         u32 tcp_header_offset:10;
 960                 } transmit;
 961                 struct {
 962                         u32 tcp_checksum_failed:1;
 963                         u32 udp_checksum_failed:1;
 964                         u32 ip_checksum_failed:1;
 965                         u32 tcp_checksum_succeeded:1;
 966                         u32 udp_checksum_succeeded:1;
 967                         u32 ip_checksum_succeeded:1;
 968                         u32 loopback:1;
 969                         u32 tcp_checksum_value_invalid:1;
 970                         u32 ip_checksum_value_invalid:1;
 971                 } receive;
 972                 u32  value;
 973         };
 974 };
 975
 976 struct ndis_tcp_lso_info {
 977         union {
 978                 struct {
 979                         u32 unused:30;
 980                         u32 type:1;
 981                         u32 reserved2:1;
 982                 } transmit;
 983                 struct {
 984                         u32 mss:20;
 985                         u32 tcp_header_offset:10;
 986                         u32 type:1;
 987                         u32 reserved2:1;
 988                 } lso_v1_transmit;
 989                 struct {
 990                         u32 tcp_payload:30;
 991                         u32 type:1;
 992                         u32 reserved2:1;
 993                 } lso_v1_transmit_complete;
 994                 struct {
 995                         u32 mss:20;
 996                         u32 tcp_header_offset:10;
 997                         u32 type:1;
 998                         u32 ip_version:1;
 999                 } lso_v2_transmit;
1000                 struct {
1001                         u32 reserved:30;
1002                         u32 type:1;
1003                         u32 reserved2:1;
1004                 } lso_v2_transmit_complete;
1005                 u32  value;
1006         };
1007 };
1008
1009 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1010                 sizeof(struct ndis_pkt_8021q_info))
1011
1012 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1013                 sizeof(struct ndis_tcp_ip_checksum_info))
1014
1015 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1016                 sizeof(struct ndis_tcp_lso_info))
1017
1018 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1019                 sizeof(u32))
1020
1021 /* Total size of all PPI data */
1022 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1023                            NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1024
1025 /* Format of Information buffer passed in a SetRequest for the OID */
1026 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1027 struct rndis_config_parameter_info {
1028         u32 parameter_name_offset;
1029         u32 parameter_name_length;
1030         u32 parameter_type;
1031         u32 parameter_value_offset;
1032         u32 parameter_value_length;
1033 };
1034
1035 /* Values for ParameterType in struct rndis_config_parameter_info */
1036 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1037 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1038
1039 /* CONDIS Miniport messages for connection oriented devices */
1040 /* that do not implement a call manager. */
1041
1042 /* CoNdisMiniportCreateVc message */
1043 struct rcondis_mp_create_vc {
1044         u32 req_id;
1045         u32 ndis_vc_handle;
1046 };
1047
1048 /* Response to CoNdisMiniportCreateVc */
1049 struct rcondis_mp_create_vc_complete {
1050         u32 req_id;
1051         u32 dev_vc_handle;
1052         u32 status;
1053 };
1054
1055 /* CoNdisMiniportDeleteVc message */
1056 struct rcondis_mp_delete_vc {
1057         u32 req_id;
1058         u32 dev_vc_handle;
1059 };
1060
1061 /* Response to CoNdisMiniportDeleteVc */
1062 struct rcondis_mp_delete_vc_complete {
1063         u32 req_id;
1064         u32 status;
1065 };
1066
1067 /* CoNdisMiniportQueryRequest message */
1068 struct rcondis_mp_query_request {
1069         u32 req_id;
1070         u32 request_type;
1071         u32 oid;
1072         u32 dev_vc_handle;
1073         u32 info_buflen;
1074         u32 info_buf_offset;
1075 };
1076
1077 /* CoNdisMiniportSetRequest message */
1078 struct rcondis_mp_set_request {
1079         u32 req_id;
1080         u32 request_type;
1081         u32 oid;
1082         u32 dev_vc_handle;
1083         u32 info_buflen;
1084         u32 info_buf_offset;
1085 };
1086
1087 /* CoNdisIndicateStatus message */
1088 struct rcondis_indicate_status {
1089         u32 ndis_vc_handle;
1090         u32 status;
1091         u32 status_buflen;
1092         u32 status_buf_offset;
1093 };
1094
1095 /* CONDIS Call/VC parameters */
1096 struct rcondis_specific_parameters {
1097         u32 parameter_type;
1098         u32 parameter_length;
1099         u32 parameter_lffset;
1100 };
1101
1102 struct rcondis_media_parameters {
1103         u32 flags;
1104         u32 reserved1;
1105         u32 reserved2;
1106         struct rcondis_specific_parameters media_specific;
1107 };
1108
1109 struct rndis_flowspec {
1110         u32 token_rate;
1111         u32 token_bucket_size;
1112         u32 peak_bandwidth;
1113         u32 latency;
1114         u32 delay_variation;
1115         u32 service_type;
1116         u32 max_sdu_size;
1117         u32 minimum_policed_size;
1118 };
1119
1120 struct rcondis_call_manager_parameters {
1121         struct rndis_flowspec transmit;
1122         struct rndis_flowspec receive;
1123         struct rcondis_specific_parameters call_mgr_specific;
1124 };
1125
1126 /* CoNdisMiniportActivateVc message */
1127 struct rcondis_mp_activate_vc_request {
1128         u32 req_id;
1129         u32 flags;
1130         u32 dev_vc_handle;
1131         u32 media_params_offset;
1132         u32 media_params_length;
1133         u32 call_mgr_params_offset;
1134         u32 call_mgr_params_length;
1135 };
1136
1137 /* Response to CoNdisMiniportActivateVc */
1138 struct rcondis_mp_activate_vc_complete {
1139         u32 req_id;
1140         u32 status;
1141 };
1142
1143 /* CoNdisMiniportDeactivateVc message */
1144 struct rcondis_mp_deactivate_vc_request {
1145         u32 req_id;
1146         u32 flags;
1147         u32 dev_vc_handle;
1148 };
1149
1150 /* Response to CoNdisMiniportDeactivateVc */
1151 struct rcondis_mp_deactivate_vc_complete {
1152         u32 req_id;
1153         u32 status;
1154 };
1155
1156
1157 /* union with all of the RNDIS messages */
1158 union rndis_message_container {
1159         struct rndis_packet pkt;
1160         struct rndis_initialize_request init_req;
1161         struct rndis_halt_request halt_req;
1162         struct rndis_query_request query_req;
1163         struct rndis_set_request set_req;
1164         struct rndis_reset_request reset_req;
1165         struct rndis_keepalive_request keep_alive_req;
1166         struct rndis_indicate_status indicate_status;
1167         struct rndis_initialize_complete init_complete;
1168         struct rndis_query_complete query_complete;
1169         struct rndis_set_complete set_complete;
1170         struct rndis_reset_complete reset_complete;
1171         struct rndis_keepalive_complete keep_alive_complete;
1172         struct rcondis_mp_create_vc co_miniport_create_vc;
1173         struct rcondis_mp_delete_vc co_miniport_delete_vc;
1174         struct rcondis_indicate_status co_indicate_status;
1175         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1176         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1177         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1178         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1179         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1180         struct rcondis_mp_deactivate_vc_complete
1181                 co_miniport_deactivate_vc_complete;
1182 };
1183
1184 /* Remote NDIS message format */
1185 struct rndis_message {
1186         u32 ndis_msg_type;
1187
1188         /* Total length of this message, from the beginning */
1189         /* of the sruct rndis_message, in bytes. */
1190         u32 msg_len;
1191
1192         /* Actual message */
1193         union rndis_message_container msg;
1194 };
1195
1196
1197 /* Handy macros */
1198
1199 /* get the size of an RNDIS message. Pass in the message type, */
1200 /* struct rndis_set_request, struct rndis_packet for example */
1201 #define RNDIS_MESSAGE_SIZE(msg)                         \
1202         (sizeof(msg) + (sizeof(struct rndis_message) -  \
1203          sizeof(union rndis_message_container)))
1204
1205 /* get pointer to info buffer with message pointer */
1206 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
1207         (((unsigned char *)(msg)) + msg->info_buf_offset)
1208
1209 /* get pointer to status buffer with message pointer */
1210 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
1211         (((unsigned char *)(msg)) + msg->status_buf_offset)
1212
1213 /* get pointer to OOBD buffer with message pointer */
1214 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
1215         (((unsigned char *)(msg)) + msg->oob_data_offset)
1216
1217 /* get pointer to data buffer with message pointer */
1218 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
1219         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1220
1221 /* get pointer to contained message from NDIS_MESSAGE pointer */
1222 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
1223         ((void *) &rndis_msg->msg)
1224
1225 /* get pointer to contained message from NDIS_MESSAGE pointer */
1226 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1227         ((void *) rndis_msg)
1228
1229
1230 #define __struct_bcount(x)
1231
1232
1233
1234 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
1235                                  sizeof(union rndis_message_container))
1236
1237 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1238
1239 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
1240 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
1241 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
1242 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
1243 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1244 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
1245 #define NDIS_PACKET_TYPE_SMT            0x00000040
1246 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
1247 #define NDIS_PACKET_TYPE_GROUP          0x00000100
1248 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1249 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
1250 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
1251
1252 #define INFO_IPV4       2
1253 #define INFO_IPV6       4
1254 #define INFO_TCP        2
1255 #define INFO_UDP        4
1256
1257 #define TRANSPORT_INFO_NOT_IP   0
1258 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1259 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1260 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1261 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1262
1263
1264 #endif /* _HYPERV_NET_H */