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
  88 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
  89         struct ndis_obj_header hdr;
  90
  91         /* Qualifies the rest of the information */
  92         u16 flag;
  93
  94         /* The base CPU number to do receive processing. not used */
  95         u16 base_cpu_number;
  96
  97         /* This describes the hash function and type being enabled */
  98         u32 hashinfo;
  99
 100         /* The size of indirection table array */
 101         u16 indirect_tabsize;
 102
 103         /* The offset of the indirection table from the beginning of this
 104          * structure
 105          */
 106         u32 indirect_taboffset;
 107
 108         /* The size of the hash secret key */
 109         u16 hashkey_size;
 110
 111         /* The offset of the secret key from the beginning of this structure */
 112         u32 kashkey_offset;
 113
 114         u32 processor_masks_offset;
 115         u32 num_processor_masks;
 116         u32 processor_masks_entry_size;
 117 };
 118
 119 /* Fwd declaration */
 120 struct ndis_tcp_ip_checksum_info;
 121
 122 /*
 123  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
 124  * within the RNDIS
 125  *
 126  * The size of this structure is less than 48 bytes and we can now
 127  * place this structure in the skb->cb field.
 128  */
 129 struct hv_netvsc_packet {
 130         /* Bookkeeping stuff */
 131         u8 cp_partial; /* partial copy into send buffer */
 132
 133         u8 rmsg_size; /* RNDIS header and PPI size */
 134         u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
 135         u8 page_buf_cnt;
 136
 137         u16 q_idx;
 138         u32 send_buf_index;
 139
 140         u32 total_data_buflen;
 141 };
 142
 143 struct netvsc_device_info {
 144         unsigned char mac_adr[ETH_ALEN];
 145         bool link_state;        /* 0 - link up, 1 - link down */
 146         int  ring_size;
 147         u32  max_num_vrss_chns;
 148         u32  num_chn;
 149 };
 150
 151 enum rndis_device_state {
 152         RNDIS_DEV_UNINITIALIZED = 0,
 153         RNDIS_DEV_INITIALIZING,
 154         RNDIS_DEV_INITIALIZED,
 155         RNDIS_DEV_DATAINITIALIZED,
 156 };
 157
 158 struct rndis_device {
 159         struct net_device *ndev;
 160
 161         enum rndis_device_state state;
 162         bool link_state;
 163         atomic_t new_req_id;
 164
 165         spinlock_t request_lock;
 166         struct list_head req_list;
 167
 168         unsigned char hw_mac_adr[ETH_ALEN];
 169 };
 170
 171
 172 /* Interface */
 173 struct rndis_message;
 174 struct netvsc_device;
 175 int netvsc_device_add(struct hv_device *device, void *additional_info);
 176 void netvsc_device_remove(struct hv_device *device);
 177 int netvsc_send(struct hv_device *device,
 178                 struct hv_netvsc_packet *packet,
 179                 struct rndis_message *rndis_msg,
 180                 struct hv_page_buffer **page_buffer,
 181                 struct sk_buff *skb);
 182 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 183                                 struct rndis_message *resp);
 184 int netvsc_recv_callback(struct hv_device *device_obj,
 185                         struct hv_netvsc_packet *packet,
 186                         void **data,
 187                         struct ndis_tcp_ip_checksum_info *csum_info,
 188                         struct vmbus_channel *channel,
 189                         u16 vlan_tci);
 190 void netvsc_channel_cb(void *context);
 191 int rndis_filter_open(struct netvsc_device *nvdev);
 192 int rndis_filter_close(struct netvsc_device *nvdev);
 193 int rndis_filter_device_add(struct hv_device *dev,
 194                         void *additional_info);
 195 void rndis_filter_device_remove(struct hv_device *dev);
 196 int rndis_filter_receive(struct hv_device *dev,
 197                         struct hv_netvsc_packet *pkt,
 198                         void **data,
 199                         struct vmbus_channel *channel);
 200
 201 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 202 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
 203
 204 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
 205
 206 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 207
 208 #define NVSP_PROTOCOL_VERSION_1         2
 209 #define NVSP_PROTOCOL_VERSION_2         0x30002
 210 #define NVSP_PROTOCOL_VERSION_4         0x40000
 211 #define NVSP_PROTOCOL_VERSION_5         0x50000
 212
 213 enum {
 214         NVSP_MSG_TYPE_NONE = 0,
 215
 216         /* Init Messages */
 217         NVSP_MSG_TYPE_INIT                      = 1,
 218         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 219
 220         NVSP_VERSION_MSG_START                  = 100,
 221
 222         /* Version 1 Messages */
 223         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 224
 225         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 226         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 227         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 228
 229         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 230         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 231         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 232
 233         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 234         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 235
 236         /* Version 2 messages */
 237         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 238         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 239         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 240
 241         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 242
 243         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 244         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 245
 246         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 247
 248         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 249         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 250
 251         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 252         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 253
 254         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 255         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 256
 257         NVSP_MSG2_TYPE_FREE_RXBUF,
 258
 259         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 260         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 261
 262         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 263
 264         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 265         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 266
 267         NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 268
 269         /* Version 4 messages */
 270         NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
 271         NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
 272         NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 273
 274         NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 275
 276         /* Version 5 messages */
 277         NVSP_MSG5_TYPE_OID_QUERY_EX,
 278         NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
 279         NVSP_MSG5_TYPE_SUBCHANNEL,
 280         NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 281
 282         NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 283 };
 284
 285 enum {
 286         NVSP_STAT_NONE = 0,
 287         NVSP_STAT_SUCCESS,
 288         NVSP_STAT_FAIL,
 289         NVSP_STAT_PROTOCOL_TOO_NEW,
 290         NVSP_STAT_PROTOCOL_TOO_OLD,
 291         NVSP_STAT_INVALID_RNDIS_PKT,
 292         NVSP_STAT_BUSY,
 293         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 294         NVSP_STAT_MAX,
 295 };
 296
 297 struct nvsp_message_header {
 298         u32 msg_type;
 299 };
 300
 301 /* Init Messages */
 302
 303 /*
 304  * This message is used by the VSC to initialize the channel after the channels
 305  * has been opened. This message should never include anything other then
 306  * versioning (i.e. this message will be the same for ever).
 307  */
 308 struct nvsp_message_init {
 309         u32 min_protocol_ver;
 310         u32 max_protocol_ver;
 311 } __packed;
 312
 313 /*
 314  * This message is used by the VSP to complete the initialization of the
 315  * channel. This message should never include anything other then versioning
 316  * (i.e. this message will be the same for ever).
 317  */
 318 struct nvsp_message_init_complete {
 319         u32 negotiated_protocol_ver;
 320         u32 max_mdl_chain_len;
 321         u32 status;
 322 } __packed;
 323
 324 union nvsp_message_init_uber {
 325         struct nvsp_message_init init;
 326         struct nvsp_message_init_complete init_complete;
 327 } __packed;
 328
 329 /* Version 1 Messages */
 330
 331 /*
 332  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 333  * can use this information when handling OIDs sent by the VSC.
 334  */
 335 struct nvsp_1_message_send_ndis_version {
 336         u32 ndis_major_ver;
 337         u32 ndis_minor_ver;
 338 } __packed;
 339
 340 /*
 341  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 342  * can then use the receive buffer to send data to the VSC.
 343  */
 344 struct nvsp_1_message_send_receive_buffer {
 345         u32 gpadl_handle;
 346         u16 id;
 347 } __packed;
 348
 349 struct nvsp_1_receive_buffer_section {
 350         u32 offset;
 351         u32 sub_alloc_size;
 352         u32 num_sub_allocs;
 353         u32 end_offset;
 354 } __packed;
 355
 356 /*
 357  * This message is used by the VSP to acknowledge a receive buffer send by the
 358  * VSC. This message must be sent by the VSP before the VSP uses the receive
 359  * buffer.
 360  */
 361 struct nvsp_1_message_send_receive_buffer_complete {
 362         u32 status;
 363         u32 num_sections;
 364
 365         /*
 366          * The receive buffer is split into two parts, a large suballocation
 367          * section and a small suballocation section. These sections are then
 368          * suballocated by a certain size.
 369          */
 370
 371         /*
 372          * For example, the following break up of the receive buffer has 6
 373          * large suballocations and 10 small suballocations.
 374          */
 375
 376         /*
 377          * |            Large Section          |  |   Small Section   |
 378          * ------------------------------------------------------------
 379          * |     |     |     |     |     |     |  | | | | | | | | | | |
 380          * |                                      |
 381          *  LargeOffset                            SmallOffset
 382          */
 383
 384         struct nvsp_1_receive_buffer_section sections[1];
 385 } __packed;
 386
 387 /*
 388  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 389  * completes this transaction, the vsp should never use the receive buffer
 390  * again.
 391  */
 392 struct nvsp_1_message_revoke_receive_buffer {
 393         u16 id;
 394 };
 395
 396 /*
 397  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 398  * can then use the send buffer to send data to the VSP.
 399  */
 400 struct nvsp_1_message_send_send_buffer {
 401         u32 gpadl_handle;
 402         u16 id;
 403 } __packed;
 404
 405 /*
 406  * This message is used by the VSP to acknowledge a send buffer sent by the
 407  * VSC. This message must be sent by the VSP before the VSP uses the sent
 408  * buffer.
 409  */
 410 struct nvsp_1_message_send_send_buffer_complete {
 411         u32 status;
 412
 413         /*
 414          * The VSC gets to choose the size of the send buffer and the VSP gets
 415          * to choose the sections size of the buffer.  This was done to enable
 416          * dynamic reconfigurations when the cost of GPA-direct buffers
 417          * decreases.
 418          */
 419         u32 section_size;
 420 } __packed;
 421
 422 /*
 423  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 424  * completes this transaction, the vsp should never use the send buffer again.
 425  */
 426 struct nvsp_1_message_revoke_send_buffer {
 427         u16 id;
 428 };
 429
 430 /*
 431  * This message is used by both the VSP and the VSC to send a RNDIS message to
 432  * the opposite channel endpoint.
 433  */
 434 struct nvsp_1_message_send_rndis_packet {
 435         /*
 436          * This field is specified by RNIDS. They assume there's two different
 437          * channels of communication. However, the Network VSP only has one.
 438          * Therefore, the channel travels with the RNDIS packet.
 439          */
 440         u32 channel_type;
 441
 442         /*
 443          * This field is used to send part or all of the data through a send
 444          * buffer. This values specifies an index into the send buffer. If the
 445          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 446          * of the data was sent through other VMBus mechanisms.
 447          */
 448         u32 send_buf_section_index;
 449         u32 send_buf_section_size;
 450 } __packed;
 451
 452 /*
 453  * This message is used by both the VSP and the VSC to complete a RNDIS message
 454  * to the opposite channel endpoint. At this point, the initiator of this
 455  * message cannot use any resources associated with the original RNDIS packet.
 456  */
 457 struct nvsp_1_message_send_rndis_packet_complete {
 458         u32 status;
 459 };
 460
 461 union nvsp_1_message_uber {
 462         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 463
 464         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 465         struct nvsp_1_message_send_receive_buffer_complete
 466                                                 send_recv_buf_complete;
 467         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 468
 469         struct nvsp_1_message_send_send_buffer send_send_buf;
 470         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 471         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 472
 473         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 474         struct nvsp_1_message_send_rndis_packet_complete
 475                                                 send_rndis_pkt_complete;
 476 } __packed;
 477
 478
 479 /*
 480  * Network VSP protocol version 2 messages:
 481  */
 482 struct nvsp_2_vsc_capability {
 483         union {
 484                 u64 data;
 485                 struct {
 486                         u64 vmq:1;
 487                         u64 chimney:1;
 488                         u64 sriov:1;
 489                         u64 ieee8021q:1;
 490                         u64 correlation_id:1;
 491                         u64 teaming:1;
 492                 };
 493         };
 494 } __packed;
 495
 496 struct nvsp_2_send_ndis_config {
 497         u32 mtu;
 498         u32 reserved;
 499         struct nvsp_2_vsc_capability capability;
 500 } __packed;
 501
 502 /* Allocate receive buffer */
 503 struct nvsp_2_alloc_rxbuf {
 504         /* Allocation ID to match the allocation request and response */
 505         u32 alloc_id;
 506
 507         /* Length of the VM shared memory receive buffer that needs to
 508          * be allocated
 509          */
 510         u32 len;
 511 } __packed;
 512
 513 /* Allocate receive buffer complete */
 514 struct nvsp_2_alloc_rxbuf_comp {
 515         /* The NDIS_STATUS code for buffer allocation */
 516         u32 status;
 517
 518         u32 alloc_id;
 519
 520         /* GPADL handle for the allocated receive buffer */
 521         u32 gpadl_handle;
 522
 523         /* Receive buffer ID */
 524         u64 recv_buf_id;
 525 } __packed;
 526
 527 struct nvsp_2_free_rxbuf {
 528         u64 recv_buf_id;
 529 } __packed;
 530
 531 union nvsp_2_message_uber {
 532         struct nvsp_2_send_ndis_config send_ndis_config;
 533         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 534         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 535         struct nvsp_2_free_rxbuf free_rxbuf;
 536 } __packed;
 537
 538 struct nvsp_4_send_vf_association {
 539         /* 1: allocated, serial number is valid. 0: not allocated */
 540         u32 allocated;
 541
 542         /* Serial number of the VF to team with */
 543         u32 serial;
 544 } __packed;
 545
 546 enum nvsp_vm_datapath {
 547         NVSP_DATAPATH_SYNTHETIC = 0,
 548         NVSP_DATAPATH_VF,
 549         NVSP_DATAPATH_MAX
 550 };
 551
 552 struct nvsp_4_sw_datapath {
 553         u32 active_datapath; /* active data path in VM */
 554 } __packed;
 555
 556 union nvsp_4_message_uber {
 557         struct nvsp_4_send_vf_association vf_assoc;
 558         struct nvsp_4_sw_datapath active_dp;
 559 } __packed;
 560
 561 enum nvsp_subchannel_operation {
 562         NVSP_SUBCHANNEL_NONE = 0,
 563         NVSP_SUBCHANNEL_ALLOCATE,
 564         NVSP_SUBCHANNEL_MAX
 565 };
 566
 567 struct nvsp_5_subchannel_request {
 568         u32 op;
 569         u32 num_subchannels;
 570 } __packed;
 571
 572 struct nvsp_5_subchannel_complete {
 573         u32 status;
 574         u32 num_subchannels; /* Actual number of subchannels allocated */
 575 } __packed;
 576
 577 struct nvsp_5_send_indirect_table {
 578         /* The number of entries in the send indirection table */
 579         u32 count;
 580
 581         /* The offset of the send indireciton table from top of this struct.
 582          * The send indirection table tells which channel to put the send
 583          * traffic on. Each entry is a channel number.
 584          */
 585         u32 offset;
 586 } __packed;
 587
 588 union nvsp_5_message_uber {
 589         struct nvsp_5_subchannel_request subchn_req;
 590         struct nvsp_5_subchannel_complete subchn_comp;
 591         struct nvsp_5_send_indirect_table send_table;
 592 } __packed;
 593
 594 union nvsp_all_messages {
 595         union nvsp_message_init_uber init_msg;
 596         union nvsp_1_message_uber v1_msg;
 597         union nvsp_2_message_uber v2_msg;
 598         union nvsp_4_message_uber v4_msg;
 599         union nvsp_5_message_uber v5_msg;
 600 } __packed;
 601
 602 /* ALL Messages */
 603 struct nvsp_message {
 604         struct nvsp_message_header hdr;
 605         union nvsp_all_messages msg;
 606 } __packed;
 607
 608
 609 #define NETVSC_MTU 65536
 610 #define NETVSC_MTU_MIN 68
 611
 612 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*16)  /* 16MB */
 613 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY       (1024*1024*15)  /* 15MB */
 614 #define NETVSC_SEND_BUFFER_SIZE                 (1024 * 1024 * 15)   /* 15MB */
 615 #define NETVSC_INVALID_INDEX                    -1
 616
 617
 618 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 619 #define NETVSC_SEND_BUFFER_ID                   0
 620
 621 #define NETVSC_PACKET_SIZE                      4096
 622
 623 #define VRSS_SEND_TAB_SIZE 16
 624 #define VRSS_CHANNEL_MAX 64
 625
 626 #define RNDIS_MAX_PKT_DEFAULT 8
 627 #define RNDIS_PKT_ALIGN_DEFAULT 8
 628
 629 struct multi_send_data {
 630         struct sk_buff *skb; /* skb containing the pkt */
 631         struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
 632         u32 count; /* counter of batched packets */
 633 };
 634
 635 struct recv_comp_data {
 636         u64 tid; /* transaction id */
 637         u32 status;
 638 };
 639
 640 /* Netvsc Receive Slots Max */
 641 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
 642
 643 struct multi_recv_comp {
 644         void *buf; /* queued receive completions */
 645         u32 first; /* first data entry */
 646         u32 next; /* next entry for writing */
 647 };
 648
 649 struct netvsc_stats {
 650         u64 packets;
 651         u64 bytes;
 652         struct u64_stats_sync syncp;
 653 };
 654
 655 struct netvsc_ethtool_stats {
 656         unsigned long tx_scattered;
 657         unsigned long tx_no_memory;
 658         unsigned long tx_no_space;
 659         unsigned long tx_too_big;
 660         unsigned long tx_busy;
 661 };
 662
 663 struct netvsc_reconfig {
 664         struct list_head list;
 665         u32 event;
 666 };
 667
 668 /* The context of the netvsc device  */
 669 struct net_device_context {
 670         /* point back to our device context */
 671         struct hv_device *device_ctx;
 672         /* netvsc_device */
 673         struct netvsc_device *nvdev;
 674         /* reconfigure work */
 675         struct delayed_work dwork;
 676         /* last reconfig time */
 677         unsigned long last_reconfig;
 678         /* reconfig events */
 679         struct list_head reconfig_events;
 680         /* list protection */
 681         spinlock_t lock;
 682
 683         struct work_struct work;
 684         u32 msg_enable; /* debug level */
 685
 686         struct netvsc_stats __percpu *tx_stats;
 687         struct netvsc_stats __percpu *rx_stats;
 688
 689         /* Ethtool settings */
 690         u8 duplex;
 691         u32 speed;
 692         struct netvsc_ethtool_stats eth_stats;
 693
 694         /* the device is going away */
 695         bool start_remove;
 696
 697         /* State to manage the associated VF interface. */
 698         struct net_device *vf_netdev;
 699         bool vf_inject;
 700         atomic_t vf_use_cnt;
 701         /* 1: allocated, serial number is valid. 0: not allocated */
 702         u32 vf_alloc;
 703         /* Serial number of the VF to team with */
 704         u32 vf_serial;
 705 };
 706
 707 /* Per netvsc device */
 708 struct netvsc_device {
 709         u32 nvsp_version;
 710
 711         atomic_t num_outstanding_sends;
 712         wait_queue_head_t wait_drain;
 713         bool destroy;
 714
 715         /* Receive buffer allocated by us but manages by NetVSP */
 716         void *recv_buf;
 717         u32 recv_buf_size;
 718         u32 recv_buf_gpadl_handle;
 719         u32 recv_section_cnt;
 720         struct nvsp_1_receive_buffer_section *recv_section;
 721
 722         /* Send buffer allocated by us */
 723         void *send_buf;
 724         u32 send_buf_size;
 725         u32 send_buf_gpadl_handle;
 726         u32 send_section_cnt;
 727         u32 send_section_size;
 728         unsigned long *send_section_map;
 729         int map_words;
 730
 731         /* Used for NetVSP initialization protocol */
 732         struct completion channel_init_wait;
 733         struct nvsp_message channel_init_pkt;
 734
 735         struct nvsp_message revoke_packet;
 736         /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
 737
 738         struct vmbus_channel *chn_table[VRSS_CHANNEL_MAX];
 739         u32 send_table[VRSS_SEND_TAB_SIZE];
 740         u32 max_chn;
 741         u32 num_chn;
 742         spinlock_t sc_lock; /* Protects num_sc_offered variable */
 743         u32 num_sc_offered;
 744         atomic_t queue_sends[VRSS_CHANNEL_MAX];
 745
 746         /* Holds rndis device info */
 747         void *extension;
 748
 749         int ring_size;
 750
 751         /* The primary channel callback buffer */
 752         unsigned char *cb_buffer;
 753         /* The sub channel callback buffer */
 754         unsigned char *sub_cb_buf;
 755
 756         struct multi_send_data msd[VRSS_CHANNEL_MAX];
 757         u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
 758         u32 pkt_align; /* alignment bytes, e.g. 8 */
 759
 760         struct multi_recv_comp mrc[VRSS_CHANNEL_MAX];
 761         atomic_t num_outstanding_recvs;
 762
 763         atomic_t open_cnt;
 764 };
 765
 766 static inline struct netvsc_device *
 767 net_device_to_netvsc_device(struct net_device *ndev)
 768 {
 769         return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
 770 }
 771
 772 static inline struct netvsc_device *
 773 hv_device_to_netvsc_device(struct hv_device *device)
 774 {
 775         return net_device_to_netvsc_device(hv_get_drvdata(device));
 776 }
 777
 778 /* NdisInitialize message */
 779 struct rndis_initialize_request {
 780         u32 req_id;
 781         u32 major_ver;
 782         u32 minor_ver;
 783         u32 max_xfer_size;
 784 };
 785
 786 /* Response to NdisInitialize */
 787 struct rndis_initialize_complete {
 788         u32 req_id;
 789         u32 status;
 790         u32 major_ver;
 791         u32 minor_ver;
 792         u32 dev_flags;
 793         u32 medium;
 794         u32 max_pkt_per_msg;
 795         u32 max_xfer_size;
 796         u32 pkt_alignment_factor;
 797         u32 af_list_offset;
 798         u32 af_list_size;
 799 };
 800
 801 /* Call manager devices only: Information about an address family */
 802 /* supported by the device is appended to the response to NdisInitialize. */
 803 struct rndis_co_address_family {
 804         u32 address_family;
 805         u32 major_ver;
 806         u32 minor_ver;
 807 };
 808
 809 /* NdisHalt message */
 810 struct rndis_halt_request {
 811         u32 req_id;
 812 };
 813
 814 /* NdisQueryRequest message */
 815 struct rndis_query_request {
 816         u32 req_id;
 817         u32 oid;
 818         u32 info_buflen;
 819         u32 info_buf_offset;
 820         u32 dev_vc_handle;
 821 };
 822
 823 /* Response to NdisQueryRequest */
 824 struct rndis_query_complete {
 825         u32 req_id;
 826         u32 status;
 827         u32 info_buflen;
 828         u32 info_buf_offset;
 829 };
 830
 831 /* NdisSetRequest message */
 832 struct rndis_set_request {
 833         u32 req_id;
 834         u32 oid;
 835         u32 info_buflen;
 836         u32 info_buf_offset;
 837         u32 dev_vc_handle;
 838 };
 839
 840 /* Response to NdisSetRequest */
 841 struct rndis_set_complete {
 842         u32 req_id;
 843         u32 status;
 844 };
 845
 846 /* NdisReset message */
 847 struct rndis_reset_request {
 848         u32 reserved;
 849 };
 850
 851 /* Response to NdisReset */
 852 struct rndis_reset_complete {
 853         u32 status;
 854         u32 addressing_reset;
 855 };
 856
 857 /* NdisMIndicateStatus message */
 858 struct rndis_indicate_status {
 859         u32 status;
 860         u32 status_buflen;
 861         u32 status_buf_offset;
 862 };
 863
 864 /* Diagnostic information passed as the status buffer in */
 865 /* struct rndis_indicate_status messages signifying error conditions. */
 866 struct rndis_diagnostic_info {
 867         u32 diag_status;
 868         u32 error_offset;
 869 };
 870
 871 /* NdisKeepAlive message */
 872 struct rndis_keepalive_request {
 873         u32 req_id;
 874 };
 875
 876 /* Response to NdisKeepAlive */
 877 struct rndis_keepalive_complete {
 878         u32 req_id;
 879         u32 status;
 880 };
 881
 882 /*
 883  * Data message. All Offset fields contain byte offsets from the beginning of
 884  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 885  * to 0 for connectionless data, otherwise it contains the VC handle.
 886  */
 887 struct rndis_packet {
 888         u32 data_offset;
 889         u32 data_len;
 890         u32 oob_data_offset;
 891         u32 oob_data_len;
 892         u32 num_oob_data_elements;
 893         u32 per_pkt_info_offset;
 894         u32 per_pkt_info_len;
 895         u32 vc_handle;
 896         u32 reserved;
 897 };
 898
 899 /* Optional Out of Band data associated with a Data message. */
 900 struct rndis_oobd {
 901         u32 size;
 902         u32 type;
 903         u32 class_info_offset;
 904 };
 905
 906 /* Packet extension field contents associated with a Data message. */
 907 struct rndis_per_packet_info {
 908         u32 size;
 909         u32 type;
 910         u32 ppi_offset;
 911 };
 912
 913 enum ndis_per_pkt_info_type {
 914         TCPIP_CHKSUM_PKTINFO,
 915         IPSEC_PKTINFO,
 916         TCP_LARGESEND_PKTINFO,
 917         CLASSIFICATION_HANDLE_PKTINFO,
 918         NDIS_RESERVED,
 919         SG_LIST_PKTINFO,
 920         IEEE_8021Q_INFO,
 921         ORIGINAL_PKTINFO,
 922         PACKET_CANCEL_ID,
 923         NBL_HASH_VALUE = PACKET_CANCEL_ID,
 924         ORIGINAL_NET_BUFLIST,
 925         CACHED_NET_BUFLIST,
 926         SHORT_PKT_PADINFO,
 927         MAX_PER_PKT_INFO
 928 };
 929
 930 struct ndis_pkt_8021q_info {
 931         union {
 932                 struct {
 933                         u32 pri:3; /* User Priority */
 934                         u32 cfi:1; /* Canonical Format ID */
 935                         u32 vlanid:12; /* VLAN ID */
 936                         u32 reserved:16;
 937                 };
 938                 u32 value;
 939         };
 940 };
 941
 942 struct ndis_oject_header {
 943         u8 type;
 944         u8 revision;
 945         u16 size;
 946 };
 947
 948 #define NDIS_OBJECT_TYPE_DEFAULT        0x80
 949 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
 950 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
 951 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
 952 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
 953 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
 954 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
 955 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
 956 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
 957 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
 958 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 959 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 960
 961 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE     1
 962 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4        0
 963 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6        1
 964
 965 #define VERSION_4_OFFLOAD_SIZE                  22
 966 /*
 967  * New offload OIDs for NDIS 6
 968  */
 969 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
 970 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C           /* set only */
 971 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
 972 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
 973 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
 974 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
 975
 976 struct ndis_offload_params {
 977         struct ndis_oject_header header;
 978         u8 ip_v4_csum;
 979         u8 tcp_ip_v4_csum;
 980         u8 udp_ip_v4_csum;
 981         u8 tcp_ip_v6_csum;
 982         u8 udp_ip_v6_csum;
 983         u8 lso_v1;
 984         u8 ip_sec_v1;
 985         u8 lso_v2_ipv4;
 986         u8 lso_v2_ipv6;
 987         u8 tcp_connection_ip_v4;
 988         u8 tcp_connection_ip_v6;
 989         u32 flags;
 990         u8 ip_sec_v2;
 991         u8 ip_sec_v2_ip_v4;
 992         struct {
 993                 u8 rsc_ip_v4;
 994                 u8 rsc_ip_v6;
 995         };
 996         struct {
 997                 u8 encapsulated_packet_task_offload;
 998                 u8 encapsulation_types;
 999         };
1000 };
1001
1002 struct ndis_tcp_ip_checksum_info {
1003         union {
1004                 struct {
1005                         u32 is_ipv4:1;
1006                         u32 is_ipv6:1;
1007                         u32 tcp_checksum:1;
1008                         u32 udp_checksum:1;
1009                         u32 ip_header_checksum:1;
1010                         u32 reserved:11;
1011                         u32 tcp_header_offset:10;
1012                 } transmit;
1013                 struct {
1014                         u32 tcp_checksum_failed:1;
1015                         u32 udp_checksum_failed:1;
1016                         u32 ip_checksum_failed:1;
1017                         u32 tcp_checksum_succeeded:1;
1018                         u32 udp_checksum_succeeded:1;
1019                         u32 ip_checksum_succeeded:1;
1020                         u32 loopback:1;
1021                         u32 tcp_checksum_value_invalid:1;
1022                         u32 ip_checksum_value_invalid:1;
1023                 } receive;
1024                 u32  value;
1025         };
1026 };
1027
1028 struct ndis_tcp_lso_info {
1029         union {
1030                 struct {
1031                         u32 unused:30;
1032                         u32 type:1;
1033                         u32 reserved2:1;
1034                 } transmit;
1035                 struct {
1036                         u32 mss:20;
1037                         u32 tcp_header_offset:10;
1038                         u32 type:1;
1039                         u32 reserved2:1;
1040                 } lso_v1_transmit;
1041                 struct {
1042                         u32 tcp_payload:30;
1043                         u32 type:1;
1044                         u32 reserved2:1;
1045                 } lso_v1_transmit_complete;
1046                 struct {
1047                         u32 mss:20;
1048                         u32 tcp_header_offset:10;
1049                         u32 type:1;
1050                         u32 ip_version:1;
1051                 } lso_v2_transmit;
1052                 struct {
1053                         u32 reserved:30;
1054                         u32 type:1;
1055                         u32 reserved2:1;
1056                 } lso_v2_transmit_complete;
1057                 u32  value;
1058         };
1059 };
1060
1061 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1062                 sizeof(struct ndis_pkt_8021q_info))
1063
1064 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1065                 sizeof(struct ndis_tcp_ip_checksum_info))
1066
1067 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1068                 sizeof(struct ndis_tcp_lso_info))
1069
1070 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1071                 sizeof(u32))
1072
1073 /* Total size of all PPI data */
1074 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1075                            NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1076
1077 /* Format of Information buffer passed in a SetRequest for the OID */
1078 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1079 struct rndis_config_parameter_info {
1080         u32 parameter_name_offset;
1081         u32 parameter_name_length;
1082         u32 parameter_type;
1083         u32 parameter_value_offset;
1084         u32 parameter_value_length;
1085 };
1086
1087 /* Values for ParameterType in struct rndis_config_parameter_info */
1088 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1089 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1090
1091 /* CONDIS Miniport messages for connection oriented devices */
1092 /* that do not implement a call manager. */
1093
1094 /* CoNdisMiniportCreateVc message */
1095 struct rcondis_mp_create_vc {
1096         u32 req_id;
1097         u32 ndis_vc_handle;
1098 };
1099
1100 /* Response to CoNdisMiniportCreateVc */
1101 struct rcondis_mp_create_vc_complete {
1102         u32 req_id;
1103         u32 dev_vc_handle;
1104         u32 status;
1105 };
1106
1107 /* CoNdisMiniportDeleteVc message */
1108 struct rcondis_mp_delete_vc {
1109         u32 req_id;
1110         u32 dev_vc_handle;
1111 };
1112
1113 /* Response to CoNdisMiniportDeleteVc */
1114 struct rcondis_mp_delete_vc_complete {
1115         u32 req_id;
1116         u32 status;
1117 };
1118
1119 /* CoNdisMiniportQueryRequest message */
1120 struct rcondis_mp_query_request {
1121         u32 req_id;
1122         u32 request_type;
1123         u32 oid;
1124         u32 dev_vc_handle;
1125         u32 info_buflen;
1126         u32 info_buf_offset;
1127 };
1128
1129 /* CoNdisMiniportSetRequest message */
1130 struct rcondis_mp_set_request {
1131         u32 req_id;
1132         u32 request_type;
1133         u32 oid;
1134         u32 dev_vc_handle;
1135         u32 info_buflen;
1136         u32 info_buf_offset;
1137 };
1138
1139 /* CoNdisIndicateStatus message */
1140 struct rcondis_indicate_status {
1141         u32 ndis_vc_handle;
1142         u32 status;
1143         u32 status_buflen;
1144         u32 status_buf_offset;
1145 };
1146
1147 /* CONDIS Call/VC parameters */
1148 struct rcondis_specific_parameters {
1149         u32 parameter_type;
1150         u32 parameter_length;
1151         u32 parameter_lffset;
1152 };
1153
1154 struct rcondis_media_parameters {
1155         u32 flags;
1156         u32 reserved1;
1157         u32 reserved2;
1158         struct rcondis_specific_parameters media_specific;
1159 };
1160
1161 struct rndis_flowspec {
1162         u32 token_rate;
1163         u32 token_bucket_size;
1164         u32 peak_bandwidth;
1165         u32 latency;
1166         u32 delay_variation;
1167         u32 service_type;
1168         u32 max_sdu_size;
1169         u32 minimum_policed_size;
1170 };
1171
1172 struct rcondis_call_manager_parameters {
1173         struct rndis_flowspec transmit;
1174         struct rndis_flowspec receive;
1175         struct rcondis_specific_parameters call_mgr_specific;
1176 };
1177
1178 /* CoNdisMiniportActivateVc message */
1179 struct rcondis_mp_activate_vc_request {
1180         u32 req_id;
1181         u32 flags;
1182         u32 dev_vc_handle;
1183         u32 media_params_offset;
1184         u32 media_params_length;
1185         u32 call_mgr_params_offset;
1186         u32 call_mgr_params_length;
1187 };
1188
1189 /* Response to CoNdisMiniportActivateVc */
1190 struct rcondis_mp_activate_vc_complete {
1191         u32 req_id;
1192         u32 status;
1193 };
1194
1195 /* CoNdisMiniportDeactivateVc message */
1196 struct rcondis_mp_deactivate_vc_request {
1197         u32 req_id;
1198         u32 flags;
1199         u32 dev_vc_handle;
1200 };
1201
1202 /* Response to CoNdisMiniportDeactivateVc */
1203 struct rcondis_mp_deactivate_vc_complete {
1204         u32 req_id;
1205         u32 status;
1206 };
1207
1208
1209 /* union with all of the RNDIS messages */
1210 union rndis_message_container {
1211         struct rndis_packet pkt;
1212         struct rndis_initialize_request init_req;
1213         struct rndis_halt_request halt_req;
1214         struct rndis_query_request query_req;
1215         struct rndis_set_request set_req;
1216         struct rndis_reset_request reset_req;
1217         struct rndis_keepalive_request keep_alive_req;
1218         struct rndis_indicate_status indicate_status;
1219         struct rndis_initialize_complete init_complete;
1220         struct rndis_query_complete query_complete;
1221         struct rndis_set_complete set_complete;
1222         struct rndis_reset_complete reset_complete;
1223         struct rndis_keepalive_complete keep_alive_complete;
1224         struct rcondis_mp_create_vc co_miniport_create_vc;
1225         struct rcondis_mp_delete_vc co_miniport_delete_vc;
1226         struct rcondis_indicate_status co_indicate_status;
1227         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1228         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1229         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1230         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1231         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1232         struct rcondis_mp_deactivate_vc_complete
1233                 co_miniport_deactivate_vc_complete;
1234 };
1235
1236 /* Remote NDIS message format */
1237 struct rndis_message {
1238         u32 ndis_msg_type;
1239
1240         /* Total length of this message, from the beginning */
1241         /* of the sruct rndis_message, in bytes. */
1242         u32 msg_len;
1243
1244         /* Actual message */
1245         union rndis_message_container msg;
1246 };
1247
1248
1249 /* Handy macros */
1250
1251 /* get the size of an RNDIS message. Pass in the message type, */
1252 /* struct rndis_set_request, struct rndis_packet for example */
1253 #define RNDIS_MESSAGE_SIZE(msg)                         \
1254         (sizeof(msg) + (sizeof(struct rndis_message) -  \
1255          sizeof(union rndis_message_container)))
1256
1257 /* get pointer to info buffer with message pointer */
1258 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
1259         (((unsigned char *)(msg)) + msg->info_buf_offset)
1260
1261 /* get pointer to status buffer with message pointer */
1262 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
1263         (((unsigned char *)(msg)) + msg->status_buf_offset)
1264
1265 /* get pointer to OOBD buffer with message pointer */
1266 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
1267         (((unsigned char *)(msg)) + msg->oob_data_offset)
1268
1269 /* get pointer to data buffer with message pointer */
1270 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
1271         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1272
1273 /* get pointer to contained message from NDIS_MESSAGE pointer */
1274 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
1275         ((void *) &rndis_msg->msg)
1276
1277 /* get pointer to contained message from NDIS_MESSAGE pointer */
1278 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1279         ((void *) rndis_msg)
1280
1281
1282 #define __struct_bcount(x)
1283
1284
1285
1286 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
1287                                  sizeof(union rndis_message_container))
1288
1289 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1290
1291 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
1292 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
1293 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
1294 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
1295 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1296 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
1297 #define NDIS_PACKET_TYPE_SMT            0x00000040
1298 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
1299 #define NDIS_PACKET_TYPE_GROUP          0x00000100
1300 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1301 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
1302 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
1303
1304 #define INFO_IPV4       2
1305 #define INFO_IPV6       4
1306 #define INFO_TCP        2
1307 #define INFO_UDP        4
1308
1309 #define TRANSPORT_INFO_NOT_IP   0
1310 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1311 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1312 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1313 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1314
1315 #endif /* _HYPERV_NET_H */