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  * The size of this structure is less than 48 bytes and we can now
 129  * place this structure in the skb->cb field.
 130  */
 131 struct hv_netvsc_packet {
 132         /* Bookkeeping stuff */
 133         u8 cp_partial; /* partial copy into send buffer */
 134
 135         u8 rmsg_size; /* RNDIS header and PPI size */
 136         u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
 137         u8 page_buf_cnt;
 138
 139         u16 q_idx;
 140         u32 send_buf_index;
 141
 142         u32 total_data_buflen;
 143 };
 144
 145 struct netvsc_device_info {
 146         unsigned char mac_adr[ETH_ALEN];
 147         bool link_state;        /* 0 - link up, 1 - link down */
 148         int  ring_size;
 149         u32  max_num_vrss_chns;
 150         u32  num_chn;
 151 };
 152
 153 enum rndis_device_state {
 154         RNDIS_DEV_UNINITIALIZED = 0,
 155         RNDIS_DEV_INITIALIZING,
 156         RNDIS_DEV_INITIALIZED,
 157         RNDIS_DEV_DATAINITIALIZED,
 158 };
 159
 160 struct rndis_device {
 161         struct netvsc_device *net_dev;
 162
 163         enum rndis_device_state state;
 164         bool link_state;
 165         atomic_t new_req_id;
 166
 167         spinlock_t request_lock;
 168         struct list_head req_list;
 169
 170         unsigned char hw_mac_adr[ETH_ALEN];
 171 };
 172
 173
 174 /* Interface */
 175 struct rndis_message;
 176 int netvsc_device_add(struct hv_device *device, void *additional_info);
 177 int netvsc_device_remove(struct hv_device *device);
 178 int netvsc_send(struct hv_device *device,
 179                 struct hv_netvsc_packet *packet,
 180                 struct rndis_message *rndis_msg,
 181                 struct hv_page_buffer **page_buffer,
 182                 struct sk_buff *skb);
 183 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 184                                 struct rndis_message *resp);
 185 int netvsc_recv_callback(struct hv_device *device_obj,
 186                         struct hv_netvsc_packet *packet,
 187                         void **data,
 188                         struct ndis_tcp_ip_checksum_info *csum_info,
 189                         struct vmbus_channel *channel,
 190                         u16 vlan_tci);
 191 void netvsc_channel_cb(void *context);
 192 int rndis_filter_open(struct hv_device *dev);
 193 int rndis_filter_close(struct hv_device *dev);
 194 int rndis_filter_device_add(struct hv_device *dev,
 195                         void *additional_info);
 196 void rndis_filter_device_remove(struct hv_device *dev);
 197 int rndis_filter_receive(struct hv_device *dev,
 198                         struct hv_netvsc_packet *pkt,
 199                         void **data,
 200                         struct vmbus_channel *channel);
 201
 202 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 203 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
 204
 205 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 206
 207 #define NVSP_PROTOCOL_VERSION_1         2
 208 #define NVSP_PROTOCOL_VERSION_2         0x30002
 209 #define NVSP_PROTOCOL_VERSION_4         0x40000
 210 #define NVSP_PROTOCOL_VERSION_5         0x50000
 211
 212 enum {
 213         NVSP_MSG_TYPE_NONE = 0,
 214
 215         /* Init Messages */
 216         NVSP_MSG_TYPE_INIT                      = 1,
 217         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 218
 219         NVSP_VERSION_MSG_START                  = 100,
 220
 221         /* Version 1 Messages */
 222         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 223
 224         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 225         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 226         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 227
 228         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 229         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 230         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 231
 232         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 233         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 234
 235         /* Version 2 messages */
 236         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 237         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 238         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 239
 240         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 241
 242         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 243         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 244
 245         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 246
 247         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 248         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 249
 250         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 251         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 252
 253         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 254         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 255
 256         NVSP_MSG2_TYPE_FREE_RXBUF,
 257
 258         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 259         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 260
 261         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 262
 263         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 264         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 265
 266         NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 267
 268         /* Version 4 messages */
 269         NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
 270         NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
 271         NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 272
 273         NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 274
 275         /* Version 5 messages */
 276         NVSP_MSG5_TYPE_OID_QUERY_EX,
 277         NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
 278         NVSP_MSG5_TYPE_SUBCHANNEL,
 279         NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 280
 281         NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 282 };
 283
 284 enum {
 285         NVSP_STAT_NONE = 0,
 286         NVSP_STAT_SUCCESS,
 287         NVSP_STAT_FAIL,
 288         NVSP_STAT_PROTOCOL_TOO_NEW,
 289         NVSP_STAT_PROTOCOL_TOO_OLD,
 290         NVSP_STAT_INVALID_RNDIS_PKT,
 291         NVSP_STAT_BUSY,
 292         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 293         NVSP_STAT_MAX,
 294 };
 295
 296 struct nvsp_message_header {
 297         u32 msg_type;
 298 };
 299
 300 /* Init Messages */
 301
 302 /*
 303  * This message is used by the VSC to initialize the channel after the channels
 304  * has been opened. This message should never include anything other then
 305  * versioning (i.e. this message will be the same for ever).
 306  */
 307 struct nvsp_message_init {
 308         u32 min_protocol_ver;
 309         u32 max_protocol_ver;
 310 } __packed;
 311
 312 /*
 313  * This message is used by the VSP to complete the initialization of the
 314  * channel. This message should never include anything other then versioning
 315  * (i.e. this message will be the same for ever).
 316  */
 317 struct nvsp_message_init_complete {
 318         u32 negotiated_protocol_ver;
 319         u32 max_mdl_chain_len;
 320         u32 status;
 321 } __packed;
 322
 323 union nvsp_message_init_uber {
 324         struct nvsp_message_init init;
 325         struct nvsp_message_init_complete init_complete;
 326 } __packed;
 327
 328 /* Version 1 Messages */
 329
 330 /*
 331  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 332  * can use this information when handling OIDs sent by the VSC.
 333  */
 334 struct nvsp_1_message_send_ndis_version {
 335         u32 ndis_major_ver;
 336         u32 ndis_minor_ver;
 337 } __packed;
 338
 339 /*
 340  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 341  * can then use the receive buffer to send data to the VSC.
 342  */
 343 struct nvsp_1_message_send_receive_buffer {
 344         u32 gpadl_handle;
 345         u16 id;
 346 } __packed;
 347
 348 struct nvsp_1_receive_buffer_section {
 349         u32 offset;
 350         u32 sub_alloc_size;
 351         u32 num_sub_allocs;
 352         u32 end_offset;
 353 } __packed;
 354
 355 /*
 356  * This message is used by the VSP to acknowledge a receive buffer send by the
 357  * VSC. This message must be sent by the VSP before the VSP uses the receive
 358  * buffer.
 359  */
 360 struct nvsp_1_message_send_receive_buffer_complete {
 361         u32 status;
 362         u32 num_sections;
 363
 364         /*
 365          * The receive buffer is split into two parts, a large suballocation
 366          * section and a small suballocation section. These sections are then
 367          * suballocated by a certain size.
 368          */
 369
 370         /*
 371          * For example, the following break up of the receive buffer has 6
 372          * large suballocations and 10 small suballocations.
 373          */
 374
 375         /*
 376          * |            Large Section          |  |   Small Section   |
 377          * ------------------------------------------------------------
 378          * |     |     |     |     |     |     |  | | | | | | | | | | |
 379          * |                                      |
 380          *  LargeOffset                            SmallOffset
 381          */
 382
 383         struct nvsp_1_receive_buffer_section sections[1];
 384 } __packed;
 385
 386 /*
 387  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 388  * completes this transaction, the vsp should never use the receive buffer
 389  * again.
 390  */
 391 struct nvsp_1_message_revoke_receive_buffer {
 392         u16 id;
 393 };
 394
 395 /*
 396  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 397  * can then use the send buffer to send data to the VSP.
 398  */
 399 struct nvsp_1_message_send_send_buffer {
 400         u32 gpadl_handle;
 401         u16 id;
 402 } __packed;
 403
 404 /*
 405  * This message is used by the VSP to acknowledge a send buffer sent by the
 406  * VSC. This message must be sent by the VSP before the VSP uses the sent
 407  * buffer.
 408  */
 409 struct nvsp_1_message_send_send_buffer_complete {
 410         u32 status;
 411
 412         /*
 413          * The VSC gets to choose the size of the send buffer and the VSP gets
 414          * to choose the sections size of the buffer.  This was done to enable
 415          * dynamic reconfigurations when the cost of GPA-direct buffers
 416          * decreases.
 417          */
 418         u32 section_size;
 419 } __packed;
 420
 421 /*
 422  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 423  * completes this transaction, the vsp should never use the send buffer again.
 424  */
 425 struct nvsp_1_message_revoke_send_buffer {
 426         u16 id;
 427 };
 428
 429 /*
 430  * This message is used by both the VSP and the VSC to send a RNDIS message to
 431  * the opposite channel endpoint.
 432  */
 433 struct nvsp_1_message_send_rndis_packet {
 434         /*
 435          * This field is specified by RNIDS. They assume there's two different
 436          * channels of communication. However, the Network VSP only has one.
 437          * Therefore, the channel travels with the RNDIS packet.
 438          */
 439         u32 channel_type;
 440
 441         /*
 442          * This field is used to send part or all of the data through a send
 443          * buffer. This values specifies an index into the send buffer. If the
 444          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 445          * of the data was sent through other VMBus mechanisms.
 446          */
 447         u32 send_buf_section_index;
 448         u32 send_buf_section_size;
 449 } __packed;
 450
 451 /*
 452  * This message is used by both the VSP and the VSC to complete a RNDIS message
 453  * to the opposite channel endpoint. At this point, the initiator of this
 454  * message cannot use any resources associated with the original RNDIS packet.
 455  */
 456 struct nvsp_1_message_send_rndis_packet_complete {
 457         u32 status;
 458 };
 459
 460 union nvsp_1_message_uber {
 461         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 462
 463         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 464         struct nvsp_1_message_send_receive_buffer_complete
 465                                                 send_recv_buf_complete;
 466         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 467
 468         struct nvsp_1_message_send_send_buffer send_send_buf;
 469         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 470         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 471
 472         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 473         struct nvsp_1_message_send_rndis_packet_complete
 474                                                 send_rndis_pkt_complete;
 475 } __packed;
 476
 477
 478 /*
 479  * Network VSP protocol version 2 messages:
 480  */
 481 struct nvsp_2_vsc_capability {
 482         union {
 483                 u64 data;
 484                 struct {
 485                         u64 vmq:1;
 486                         u64 chimney:1;
 487                         u64 sriov:1;
 488                         u64 ieee8021q:1;
 489                         u64 correlation_id:1;
 490                 };
 491         };
 492 } __packed;
 493
 494 struct nvsp_2_send_ndis_config {
 495         u32 mtu;
 496         u32 reserved;
 497         struct nvsp_2_vsc_capability capability;
 498 } __packed;
 499
 500 /* Allocate receive buffer */
 501 struct nvsp_2_alloc_rxbuf {
 502         /* Allocation ID to match the allocation request and response */
 503         u32 alloc_id;
 504
 505         /* Length of the VM shared memory receive buffer that needs to
 506          * be allocated
 507          */
 508         u32 len;
 509 } __packed;
 510
 511 /* Allocate receive buffer complete */
 512 struct nvsp_2_alloc_rxbuf_comp {
 513         /* The NDIS_STATUS code for buffer allocation */
 514         u32 status;
 515
 516         u32 alloc_id;
 517
 518         /* GPADL handle for the allocated receive buffer */
 519         u32 gpadl_handle;
 520
 521         /* Receive buffer ID */
 522         u64 recv_buf_id;
 523 } __packed;
 524
 525 struct nvsp_2_free_rxbuf {
 526         u64 recv_buf_id;
 527 } __packed;
 528
 529 union nvsp_2_message_uber {
 530         struct nvsp_2_send_ndis_config send_ndis_config;
 531         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 532         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 533         struct nvsp_2_free_rxbuf free_rxbuf;
 534 } __packed;
 535
 536 struct nvsp_4_send_vf_association {
 537         /* 1: allocated, serial number is valid. 0: not allocated */
 538         u32 allocated;
 539
 540         /* Serial number of the VF to team with */
 541         u32 serial;
 542 } __packed;
 543
 544 enum nvsp_vm_datapath {
 545         NVSP_DATAPATH_SYNTHETIC = 0,
 546         NVSP_DATAPATH_VF,
 547         NVSP_DATAPATH_MAX
 548 };
 549
 550 struct nvsp_4_sw_datapath {
 551         u32 active_datapath; /* active data path in VM */
 552 } __packed;
 553
 554 union nvsp_4_message_uber {
 555         struct nvsp_4_send_vf_association vf_assoc;
 556         struct nvsp_4_sw_datapath active_dp;
 557 } __packed;
 558
 559 enum nvsp_subchannel_operation {
 560         NVSP_SUBCHANNEL_NONE = 0,
 561         NVSP_SUBCHANNEL_ALLOCATE,
 562         NVSP_SUBCHANNEL_MAX
 563 };
 564
 565 struct nvsp_5_subchannel_request {
 566         u32 op;
 567         u32 num_subchannels;
 568 } __packed;
 569
 570 struct nvsp_5_subchannel_complete {
 571         u32 status;
 572         u32 num_subchannels; /* Actual number of subchannels allocated */
 573 } __packed;
 574
 575 struct nvsp_5_send_indirect_table {
 576         /* The number of entries in the send indirection table */
 577         u32 count;
 578
 579         /* The offset of the send indireciton table from top of this struct.
 580          * The send indirection table tells which channel to put the send
 581          * traffic on. Each entry is a channel number.
 582          */
 583         u32 offset;
 584 } __packed;
 585
 586 union nvsp_5_message_uber {
 587         struct nvsp_5_subchannel_request subchn_req;
 588         struct nvsp_5_subchannel_complete subchn_comp;
 589         struct nvsp_5_send_indirect_table send_table;
 590 } __packed;
 591
 592 union nvsp_all_messages {
 593         union nvsp_message_init_uber init_msg;
 594         union nvsp_1_message_uber v1_msg;
 595         union nvsp_2_message_uber v2_msg;
 596         union nvsp_4_message_uber v4_msg;
 597         union nvsp_5_message_uber v5_msg;
 598 } __packed;
 599
 600 /* ALL Messages */
 601 struct nvsp_message {
 602         struct nvsp_message_header hdr;
 603         union nvsp_all_messages msg;
 604 } __packed;
 605
 606
 607 #define NETVSC_MTU 65536
 608 #define NETVSC_MTU_MIN 68
 609
 610 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*16)  /* 16MB */
 611 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY       (1024*1024*15)  /* 15MB */
 612 #define NETVSC_SEND_BUFFER_SIZE                 (1024 * 1024 * 15)   /* 15MB */
 613 #define NETVSC_INVALID_INDEX                    -1
 614
 615
 616 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 617 #define NETVSC_SEND_BUFFER_ID                   0
 618
 619 #define NETVSC_PACKET_SIZE                      4096
 620
 621 #define VRSS_SEND_TAB_SIZE 16
 622
 623 #define RNDIS_MAX_PKT_DEFAULT 8
 624 #define RNDIS_PKT_ALIGN_DEFAULT 8
 625
 626 struct multi_send_data {
 627         struct sk_buff *skb; /* skb containing the pkt */
 628         struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
 629         u32 count; /* counter of batched packets */
 630 };
 631
 632 struct netvsc_stats {
 633         u64 packets;
 634         u64 bytes;
 635         struct u64_stats_sync syncp;
 636 };
 637
 638 struct netvsc_reconfig {
 639         struct list_head list;
 640         u32 event;
 641 };
 642
 643 /* The context of the netvsc device  */
 644 struct net_device_context {
 645         /* point back to our device context */
 646         struct hv_device *device_ctx;
 647         /* reconfigure work */
 648         struct delayed_work dwork;
 649         /* last reconfig time */
 650         unsigned long last_reconfig;
 651         /* reconfig events */
 652         struct list_head reconfig_events;
 653         /* list protection */
 654         spinlock_t lock;
 655
 656         struct work_struct work;
 657         u32 msg_enable; /* debug level */
 658
 659         struct netvsc_stats __percpu *tx_stats;
 660         struct netvsc_stats __percpu *rx_stats;
 661 };
 662
 663 /* Per netvsc device */
 664 struct netvsc_device {
 665         struct hv_device *dev;
 666
 667         u32 nvsp_version;
 668
 669         atomic_t num_outstanding_sends;
 670         wait_queue_head_t wait_drain;
 671         bool start_remove;
 672         bool destroy;
 673
 674         /* Receive buffer allocated by us but manages by NetVSP */
 675         void *recv_buf;
 676         u32 recv_buf_size;
 677         u32 recv_buf_gpadl_handle;
 678         u32 recv_section_cnt;
 679         struct nvsp_1_receive_buffer_section *recv_section;
 680
 681         /* Send buffer allocated by us */
 682         void *send_buf;
 683         u32 send_buf_size;
 684         u32 send_buf_gpadl_handle;
 685         u32 send_section_cnt;
 686         u32 send_section_size;
 687         unsigned long *send_section_map;
 688         int map_words;
 689
 690         /* Used for NetVSP initialization protocol */
 691         struct completion channel_init_wait;
 692         struct nvsp_message channel_init_pkt;
 693
 694         struct nvsp_message revoke_packet;
 695         /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
 696
 697         struct net_device *ndev;
 698
 699         struct vmbus_channel *chn_table[NR_CPUS];
 700         u32 send_table[VRSS_SEND_TAB_SIZE];
 701         u32 max_chn;
 702         u32 num_chn;
 703         spinlock_t sc_lock; /* Protects num_sc_offered variable */
 704         u32 num_sc_offered;
 705         atomic_t queue_sends[NR_CPUS];
 706
 707         /* Holds rndis device info */
 708         void *extension;
 709
 710         int ring_size;
 711
 712         /* The primary channel callback buffer */
 713         unsigned char *cb_buffer;
 714         /* The sub channel callback buffer */
 715         unsigned char *sub_cb_buf;
 716
 717         struct multi_send_data msd[NR_CPUS];
 718         u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
 719         u32 pkt_align; /* alignment bytes, e.g. 8 */
 720
 721         /* The net device context */
 722         struct net_device_context *nd_ctx;
 723
 724         /* 1: allocated, serial number is valid. 0: not allocated */
 725         u32 vf_alloc;
 726         /* Serial number of the VF to team with */
 727         u32 vf_serial;
 728 };
 729
 730 /* NdisInitialize message */
 731 struct rndis_initialize_request {
 732         u32 req_id;
 733         u32 major_ver;
 734         u32 minor_ver;
 735         u32 max_xfer_size;
 736 };
 737
 738 /* Response to NdisInitialize */
 739 struct rndis_initialize_complete {
 740         u32 req_id;
 741         u32 status;
 742         u32 major_ver;
 743         u32 minor_ver;
 744         u32 dev_flags;
 745         u32 medium;
 746         u32 max_pkt_per_msg;
 747         u32 max_xfer_size;
 748         u32 pkt_alignment_factor;
 749         u32 af_list_offset;
 750         u32 af_list_size;
 751 };
 752
 753 /* Call manager devices only: Information about an address family */
 754 /* supported by the device is appended to the response to NdisInitialize. */
 755 struct rndis_co_address_family {
 756         u32 address_family;
 757         u32 major_ver;
 758         u32 minor_ver;
 759 };
 760
 761 /* NdisHalt message */
 762 struct rndis_halt_request {
 763         u32 req_id;
 764 };
 765
 766 /* NdisQueryRequest message */
 767 struct rndis_query_request {
 768         u32 req_id;
 769         u32 oid;
 770         u32 info_buflen;
 771         u32 info_buf_offset;
 772         u32 dev_vc_handle;
 773 };
 774
 775 /* Response to NdisQueryRequest */
 776 struct rndis_query_complete {
 777         u32 req_id;
 778         u32 status;
 779         u32 info_buflen;
 780         u32 info_buf_offset;
 781 };
 782
 783 /* NdisSetRequest message */
 784 struct rndis_set_request {
 785         u32 req_id;
 786         u32 oid;
 787         u32 info_buflen;
 788         u32 info_buf_offset;
 789         u32 dev_vc_handle;
 790 };
 791
 792 /* Response to NdisSetRequest */
 793 struct rndis_set_complete {
 794         u32 req_id;
 795         u32 status;
 796 };
 797
 798 /* NdisReset message */
 799 struct rndis_reset_request {
 800         u32 reserved;
 801 };
 802
 803 /* Response to NdisReset */
 804 struct rndis_reset_complete {
 805         u32 status;
 806         u32 addressing_reset;
 807 };
 808
 809 /* NdisMIndicateStatus message */
 810 struct rndis_indicate_status {
 811         u32 status;
 812         u32 status_buflen;
 813         u32 status_buf_offset;
 814 };
 815
 816 /* Diagnostic information passed as the status buffer in */
 817 /* struct rndis_indicate_status messages signifying error conditions. */
 818 struct rndis_diagnostic_info {
 819         u32 diag_status;
 820         u32 error_offset;
 821 };
 822
 823 /* NdisKeepAlive message */
 824 struct rndis_keepalive_request {
 825         u32 req_id;
 826 };
 827
 828 /* Response to NdisKeepAlive */
 829 struct rndis_keepalive_complete {
 830         u32 req_id;
 831         u32 status;
 832 };
 833
 834 /*
 835  * Data message. All Offset fields contain byte offsets from the beginning of
 836  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 837  * to 0 for connectionless data, otherwise it contains the VC handle.
 838  */
 839 struct rndis_packet {
 840         u32 data_offset;
 841         u32 data_len;
 842         u32 oob_data_offset;
 843         u32 oob_data_len;
 844         u32 num_oob_data_elements;
 845         u32 per_pkt_info_offset;
 846         u32 per_pkt_info_len;
 847         u32 vc_handle;
 848         u32 reserved;
 849 };
 850
 851 /* Optional Out of Band data associated with a Data message. */
 852 struct rndis_oobd {
 853         u32 size;
 854         u32 type;
 855         u32 class_info_offset;
 856 };
 857
 858 /* Packet extension field contents associated with a Data message. */
 859 struct rndis_per_packet_info {
 860         u32 size;
 861         u32 type;
 862         u32 ppi_offset;
 863 };
 864
 865 enum ndis_per_pkt_info_type {
 866         TCPIP_CHKSUM_PKTINFO,
 867         IPSEC_PKTINFO,
 868         TCP_LARGESEND_PKTINFO,
 869         CLASSIFICATION_HANDLE_PKTINFO,
 870         NDIS_RESERVED,
 871         SG_LIST_PKTINFO,
 872         IEEE_8021Q_INFO,
 873         ORIGINAL_PKTINFO,
 874         PACKET_CANCEL_ID,
 875         NBL_HASH_VALUE = PACKET_CANCEL_ID,
 876         ORIGINAL_NET_BUFLIST,
 877         CACHED_NET_BUFLIST,
 878         SHORT_PKT_PADINFO,
 879         MAX_PER_PKT_INFO
 880 };
 881
 882 struct ndis_pkt_8021q_info {
 883         union {
 884                 struct {
 885                         u32 pri:3; /* User Priority */
 886                         u32 cfi:1; /* Canonical Format ID */
 887                         u32 vlanid:12; /* VLAN ID */
 888                         u32 reserved:16;
 889                 };
 890                 u32 value;
 891         };
 892 };
 893
 894 struct ndis_oject_header {
 895         u8 type;
 896         u8 revision;
 897         u16 size;
 898 };
 899
 900 #define NDIS_OBJECT_TYPE_DEFAULT        0x80
 901 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
 902 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
 903 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
 904 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
 905 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
 906 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
 907 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
 908 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
 909 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
 910 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 911 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 912
 913 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE     1
 914 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4        0
 915 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6        1
 916
 917 #define VERSION_4_OFFLOAD_SIZE                  22
 918 /*
 919  * New offload OIDs for NDIS 6
 920  */
 921 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
 922 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C           /* set only */
 923 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
 924 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
 925 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
 926 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
 927
 928 struct ndis_offload_params {
 929         struct ndis_oject_header header;
 930         u8 ip_v4_csum;
 931         u8 tcp_ip_v4_csum;
 932         u8 udp_ip_v4_csum;
 933         u8 tcp_ip_v6_csum;
 934         u8 udp_ip_v6_csum;
 935         u8 lso_v1;
 936         u8 ip_sec_v1;
 937         u8 lso_v2_ipv4;
 938         u8 lso_v2_ipv6;
 939         u8 tcp_connection_ip_v4;
 940         u8 tcp_connection_ip_v6;
 941         u32 flags;
 942         u8 ip_sec_v2;
 943         u8 ip_sec_v2_ip_v4;
 944         struct {
 945                 u8 rsc_ip_v4;
 946                 u8 rsc_ip_v6;
 947         };
 948         struct {
 949                 u8 encapsulated_packet_task_offload;
 950                 u8 encapsulation_types;
 951         };
 952 };
 953
 954 struct ndis_tcp_ip_checksum_info {
 955         union {
 956                 struct {
 957                         u32 is_ipv4:1;
 958                         u32 is_ipv6:1;
 959                         u32 tcp_checksum:1;
 960                         u32 udp_checksum:1;
 961                         u32 ip_header_checksum:1;
 962                         u32 reserved:11;
 963                         u32 tcp_header_offset:10;
 964                 } transmit;
 965                 struct {
 966                         u32 tcp_checksum_failed:1;
 967                         u32 udp_checksum_failed:1;
 968                         u32 ip_checksum_failed:1;
 969                         u32 tcp_checksum_succeeded:1;
 970                         u32 udp_checksum_succeeded:1;
 971                         u32 ip_checksum_succeeded:1;
 972                         u32 loopback:1;
 973                         u32 tcp_checksum_value_invalid:1;
 974                         u32 ip_checksum_value_invalid:1;
 975                 } receive;
 976                 u32  value;
 977         };
 978 };
 979
 980 struct ndis_tcp_lso_info {
 981         union {
 982                 struct {
 983                         u32 unused:30;
 984                         u32 type:1;
 985                         u32 reserved2:1;
 986                 } transmit;
 987                 struct {
 988                         u32 mss:20;
 989                         u32 tcp_header_offset:10;
 990                         u32 type:1;
 991                         u32 reserved2:1;
 992                 } lso_v1_transmit;
 993                 struct {
 994                         u32 tcp_payload:30;
 995                         u32 type:1;
 996                         u32 reserved2:1;
 997                 } lso_v1_transmit_complete;
 998                 struct {
 999                         u32 mss:20;
1000                         u32 tcp_header_offset:10;
1001                         u32 type:1;
1002                         u32 ip_version:1;
1003                 } lso_v2_transmit;
1004                 struct {
1005                         u32 reserved:30;
1006                         u32 type:1;
1007                         u32 reserved2:1;
1008                 } lso_v2_transmit_complete;
1009                 u32  value;
1010         };
1011 };
1012
1013 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1014                 sizeof(struct ndis_pkt_8021q_info))
1015
1016 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1017                 sizeof(struct ndis_tcp_ip_checksum_info))
1018
1019 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1020                 sizeof(struct ndis_tcp_lso_info))
1021
1022 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1023                 sizeof(u32))
1024
1025 /* Total size of all PPI data */
1026 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1027                            NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1028
1029 /* Format of Information buffer passed in a SetRequest for the OID */
1030 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1031 struct rndis_config_parameter_info {
1032         u32 parameter_name_offset;
1033         u32 parameter_name_length;
1034         u32 parameter_type;
1035         u32 parameter_value_offset;
1036         u32 parameter_value_length;
1037 };
1038
1039 /* Values for ParameterType in struct rndis_config_parameter_info */
1040 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1041 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1042
1043 /* CONDIS Miniport messages for connection oriented devices */
1044 /* that do not implement a call manager. */
1045
1046 /* CoNdisMiniportCreateVc message */
1047 struct rcondis_mp_create_vc {
1048         u32 req_id;
1049         u32 ndis_vc_handle;
1050 };
1051
1052 /* Response to CoNdisMiniportCreateVc */
1053 struct rcondis_mp_create_vc_complete {
1054         u32 req_id;
1055         u32 dev_vc_handle;
1056         u32 status;
1057 };
1058
1059 /* CoNdisMiniportDeleteVc message */
1060 struct rcondis_mp_delete_vc {
1061         u32 req_id;
1062         u32 dev_vc_handle;
1063 };
1064
1065 /* Response to CoNdisMiniportDeleteVc */
1066 struct rcondis_mp_delete_vc_complete {
1067         u32 req_id;
1068         u32 status;
1069 };
1070
1071 /* CoNdisMiniportQueryRequest message */
1072 struct rcondis_mp_query_request {
1073         u32 req_id;
1074         u32 request_type;
1075         u32 oid;
1076         u32 dev_vc_handle;
1077         u32 info_buflen;
1078         u32 info_buf_offset;
1079 };
1080
1081 /* CoNdisMiniportSetRequest message */
1082 struct rcondis_mp_set_request {
1083         u32 req_id;
1084         u32 request_type;
1085         u32 oid;
1086         u32 dev_vc_handle;
1087         u32 info_buflen;
1088         u32 info_buf_offset;
1089 };
1090
1091 /* CoNdisIndicateStatus message */
1092 struct rcondis_indicate_status {
1093         u32 ndis_vc_handle;
1094         u32 status;
1095         u32 status_buflen;
1096         u32 status_buf_offset;
1097 };
1098
1099 /* CONDIS Call/VC parameters */
1100 struct rcondis_specific_parameters {
1101         u32 parameter_type;
1102         u32 parameter_length;
1103         u32 parameter_lffset;
1104 };
1105
1106 struct rcondis_media_parameters {
1107         u32 flags;
1108         u32 reserved1;
1109         u32 reserved2;
1110         struct rcondis_specific_parameters media_specific;
1111 };
1112
1113 struct rndis_flowspec {
1114         u32 token_rate;
1115         u32 token_bucket_size;
1116         u32 peak_bandwidth;
1117         u32 latency;
1118         u32 delay_variation;
1119         u32 service_type;
1120         u32 max_sdu_size;
1121         u32 minimum_policed_size;
1122 };
1123
1124 struct rcondis_call_manager_parameters {
1125         struct rndis_flowspec transmit;
1126         struct rndis_flowspec receive;
1127         struct rcondis_specific_parameters call_mgr_specific;
1128 };
1129
1130 /* CoNdisMiniportActivateVc message */
1131 struct rcondis_mp_activate_vc_request {
1132         u32 req_id;
1133         u32 flags;
1134         u32 dev_vc_handle;
1135         u32 media_params_offset;
1136         u32 media_params_length;
1137         u32 call_mgr_params_offset;
1138         u32 call_mgr_params_length;
1139 };
1140
1141 /* Response to CoNdisMiniportActivateVc */
1142 struct rcondis_mp_activate_vc_complete {
1143         u32 req_id;
1144         u32 status;
1145 };
1146
1147 /* CoNdisMiniportDeactivateVc message */
1148 struct rcondis_mp_deactivate_vc_request {
1149         u32 req_id;
1150         u32 flags;
1151         u32 dev_vc_handle;
1152 };
1153
1154 /* Response to CoNdisMiniportDeactivateVc */
1155 struct rcondis_mp_deactivate_vc_complete {
1156         u32 req_id;
1157         u32 status;
1158 };
1159
1160
1161 /* union with all of the RNDIS messages */
1162 union rndis_message_container {
1163         struct rndis_packet pkt;
1164         struct rndis_initialize_request init_req;
1165         struct rndis_halt_request halt_req;
1166         struct rndis_query_request query_req;
1167         struct rndis_set_request set_req;
1168         struct rndis_reset_request reset_req;
1169         struct rndis_keepalive_request keep_alive_req;
1170         struct rndis_indicate_status indicate_status;
1171         struct rndis_initialize_complete init_complete;
1172         struct rndis_query_complete query_complete;
1173         struct rndis_set_complete set_complete;
1174         struct rndis_reset_complete reset_complete;
1175         struct rndis_keepalive_complete keep_alive_complete;
1176         struct rcondis_mp_create_vc co_miniport_create_vc;
1177         struct rcondis_mp_delete_vc co_miniport_delete_vc;
1178         struct rcondis_indicate_status co_indicate_status;
1179         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1180         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1181         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1182         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1183         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1184         struct rcondis_mp_deactivate_vc_complete
1185                 co_miniport_deactivate_vc_complete;
1186 };
1187
1188 /* Remote NDIS message format */
1189 struct rndis_message {
1190         u32 ndis_msg_type;
1191
1192         /* Total length of this message, from the beginning */
1193         /* of the sruct rndis_message, in bytes. */
1194         u32 msg_len;
1195
1196         /* Actual message */
1197         union rndis_message_container msg;
1198 };
1199
1200
1201 /* Handy macros */
1202
1203 /* get the size of an RNDIS message. Pass in the message type, */
1204 /* struct rndis_set_request, struct rndis_packet for example */
1205 #define RNDIS_MESSAGE_SIZE(msg)                         \
1206         (sizeof(msg) + (sizeof(struct rndis_message) -  \
1207          sizeof(union rndis_message_container)))
1208
1209 /* get pointer to info buffer with message pointer */
1210 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
1211         (((unsigned char *)(msg)) + msg->info_buf_offset)
1212
1213 /* get pointer to status buffer with message pointer */
1214 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
1215         (((unsigned char *)(msg)) + msg->status_buf_offset)
1216
1217 /* get pointer to OOBD buffer with message pointer */
1218 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
1219         (((unsigned char *)(msg)) + msg->oob_data_offset)
1220
1221 /* get pointer to data buffer with message pointer */
1222 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
1223         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1224
1225 /* get pointer to contained message from NDIS_MESSAGE pointer */
1226 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
1227         ((void *) &rndis_msg->msg)
1228
1229 /* get pointer to contained message from NDIS_MESSAGE pointer */
1230 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1231         ((void *) rndis_msg)
1232
1233
1234 #define __struct_bcount(x)
1235
1236
1237
1238 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
1239                                  sizeof(union rndis_message_container))
1240
1241 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1242
1243 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
1244 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
1245 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
1246 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
1247 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1248 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
1249 #define NDIS_PACKET_TYPE_SMT            0x00000040
1250 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
1251 #define NDIS_PACKET_TYPE_GROUP          0x00000100
1252 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1253 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
1254 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
1255
1256 #define INFO_IPV4       2
1257 #define INFO_IPV6       4
1258 #define INFO_TCP        2
1259 #define INFO_UDP        4
1260
1261 #define TRANSPORT_INFO_NOT_IP   0
1262 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1263 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1264 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1265 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1266
1267 #endif /* _HYPERV_NET_H */