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 #define NDIS_OBJECT_TYPE_OFFLOAD        0xa7
  38
  39 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
  40 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
  41
  42 struct ndis_obj_header {
  43         u8 type;
  44         u8 rev;
  45         u16 size;
  46 } __packed;
  47
  48 /* ndis_recv_scale_cap/cap_flag */
  49 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
  50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR       0x02000000
  51 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC       0x04000000
  52 #define NDIS_RSS_CAPS_USING_MSI_X                 0x08000000
  53 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS      0x10000000
  54 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X              0x20000000
  55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4          0x00000100
  56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6          0x00000200
  57 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX       0x00000400
  58
  59 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
  60         struct ndis_obj_header hdr;
  61         u32 cap_flag;
  62         u32 num_int_msg;
  63         u32 num_recv_que;
  64         u16 num_indirect_tabent;
  65 } __packed;
  66
  67
  68 /* ndis_recv_scale_param flags */
  69 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED     0x0001
  70 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED    0x0002
  71 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED       0x0004
  72 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED     0x0008
  73 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS            0x0010
  74
  75 /* Hash info bits */
  76 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
  77 #define NDIS_HASH_IPV4          0x00000100
  78 #define NDIS_HASH_TCP_IPV4      0x00000200
  79 #define NDIS_HASH_IPV6          0x00000400
  80 #define NDIS_HASH_IPV6_EX       0x00000800
  81 #define NDIS_HASH_TCP_IPV6      0x00001000
  82 #define NDIS_HASH_TCP_IPV6_EX   0x00002000
  83
  84 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
  85 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2   40
  86
  87 #define ITAB_NUM 128
  88
  89 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
  90         struct ndis_obj_header hdr;
  91
  92         /* Qualifies the rest of the information */
  93         u16 flag;
  94
  95         /* The base CPU number to do receive processing. not used */
  96         u16 base_cpu_number;
  97
  98         /* This describes the hash function and type being enabled */
  99         u32 hashinfo;
 100
 101         /* The size of indirection table array */
 102         u16 indirect_tabsize;
 103
 104         /* The offset of the indirection table from the beginning of this
 105          * structure
 106          */
 107         u32 indirect_taboffset;
 108
 109         /* The size of the hash secret key */
 110         u16 hashkey_size;
 111
 112         /* The offset of the secret key from the beginning of this structure */
 113         u32 kashkey_offset;
 114
 115         u32 processor_masks_offset;
 116         u32 num_processor_masks;
 117         u32 processor_masks_entry_size;
 118 };
 119
 120 /* Fwd declaration */
 121 struct ndis_tcp_ip_checksum_info;
 122 struct ndis_pkt_8021q_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         u16 total_packets;
 141
 142         u32 total_bytes;
 143         u32 send_buf_index;
 144         u32 total_data_buflen;
 145 };
 146
 147 struct netvsc_device_info {
 148         unsigned char mac_adr[ETH_ALEN];
 149         bool link_state;        /* 0 - link up, 1 - link down */
 150         int  ring_size;
 151         u32  max_num_vrss_chns;
 152         u32  num_chn;
 153 };
 154
 155 enum rndis_device_state {
 156         RNDIS_DEV_UNINITIALIZED = 0,
 157         RNDIS_DEV_INITIALIZING,
 158         RNDIS_DEV_INITIALIZED,
 159         RNDIS_DEV_DATAINITIALIZED,
 160 };
 161
 162 #define NETVSC_HASH_KEYLEN 40
 163
 164 struct rndis_device {
 165         struct net_device *ndev;
 166
 167         enum rndis_device_state state;
 168         bool link_state;
 169         atomic_t new_req_id;
 170
 171         spinlock_t request_lock;
 172         struct list_head req_list;
 173
 174         u8 hw_mac_adr[ETH_ALEN];
 175         u8 rss_key[NETVSC_HASH_KEYLEN];
 176         u16 ind_table[ITAB_NUM];
 177 };
 178
 179
 180 /* Interface */
 181 struct rndis_message;
 182 struct netvsc_device;
 183 int netvsc_device_add(struct hv_device *device,
 184                       const struct netvsc_device_info *info);
 185 void netvsc_device_remove(struct hv_device *device);
 186 int netvsc_send(struct hv_device *device,
 187                 struct hv_netvsc_packet *packet,
 188                 struct rndis_message *rndis_msg,
 189                 struct hv_page_buffer **page_buffer,
 190                 struct sk_buff *skb);
 191 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 192                                 struct rndis_message *resp);
 193 int netvsc_recv_callback(struct net_device *net,
 194                          struct vmbus_channel *channel,
 195                          void  *data, u32 len,
 196                          const struct ndis_tcp_ip_checksum_info *csum_info,
 197                          const struct ndis_pkt_8021q_info *vlan);
 198 void netvsc_channel_cb(void *context);
 199 int rndis_filter_open(struct netvsc_device *nvdev);
 200 int rndis_filter_close(struct netvsc_device *nvdev);
 201 int rndis_filter_device_add(struct hv_device *dev,
 202                             struct netvsc_device_info *info);
 203 void rndis_filter_device_remove(struct hv_device *dev,
 204                                 struct netvsc_device *nvdev);
 205 int rndis_filter_set_rss_param(struct rndis_device *rdev,
 206                                const u8 *key, int num_queue);
 207 int rndis_filter_receive(struct net_device *ndev,
 208                          struct netvsc_device *net_dev,
 209                          struct hv_device *dev,
 210                          struct vmbus_channel *channel,
 211                          void *data, u32 buflen);
 212
 213 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
 214 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
 215
 216 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
 217
 218 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 219
 220 #define NVSP_PROTOCOL_VERSION_1         2
 221 #define NVSP_PROTOCOL_VERSION_2         0x30002
 222 #define NVSP_PROTOCOL_VERSION_4         0x40000
 223 #define NVSP_PROTOCOL_VERSION_5         0x50000
 224
 225 enum {
 226         NVSP_MSG_TYPE_NONE = 0,
 227
 228         /* Init Messages */
 229         NVSP_MSG_TYPE_INIT                      = 1,
 230         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 231
 232         NVSP_VERSION_MSG_START                  = 100,
 233
 234         /* Version 1 Messages */
 235         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 236
 237         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 238         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 239         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 240
 241         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 242         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 243         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 244
 245         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 246         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 247
 248         /* Version 2 messages */
 249         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 250         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 251         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 252
 253         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 254
 255         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 256         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 257
 258         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 259
 260         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 261         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 262
 263         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 264         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 265
 266         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 267         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 268
 269         NVSP_MSG2_TYPE_FREE_RXBUF,
 270
 271         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 272         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 273
 274         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 275
 276         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 277         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 278
 279         NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 280
 281         /* Version 4 messages */
 282         NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
 283         NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
 284         NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 285
 286         NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 287
 288         /* Version 5 messages */
 289         NVSP_MSG5_TYPE_OID_QUERY_EX,
 290         NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
 291         NVSP_MSG5_TYPE_SUBCHANNEL,
 292         NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 293
 294         NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 295 };
 296
 297 enum {
 298         NVSP_STAT_NONE = 0,
 299         NVSP_STAT_SUCCESS,
 300         NVSP_STAT_FAIL,
 301         NVSP_STAT_PROTOCOL_TOO_NEW,
 302         NVSP_STAT_PROTOCOL_TOO_OLD,
 303         NVSP_STAT_INVALID_RNDIS_PKT,
 304         NVSP_STAT_BUSY,
 305         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 306         NVSP_STAT_MAX,
 307 };
 308
 309 struct nvsp_message_header {
 310         u32 msg_type;
 311 };
 312
 313 /* Init Messages */
 314
 315 /*
 316  * This message is used by the VSC to initialize the channel after the channels
 317  * has been opened. This message should never include anything other then
 318  * versioning (i.e. this message will be the same for ever).
 319  */
 320 struct nvsp_message_init {
 321         u32 min_protocol_ver;
 322         u32 max_protocol_ver;
 323 } __packed;
 324
 325 /*
 326  * This message is used by the VSP to complete the initialization of the
 327  * channel. This message should never include anything other then versioning
 328  * (i.e. this message will be the same for ever).
 329  */
 330 struct nvsp_message_init_complete {
 331         u32 negotiated_protocol_ver;
 332         u32 max_mdl_chain_len;
 333         u32 status;
 334 } __packed;
 335
 336 union nvsp_message_init_uber {
 337         struct nvsp_message_init init;
 338         struct nvsp_message_init_complete init_complete;
 339 } __packed;
 340
 341 /* Version 1 Messages */
 342
 343 /*
 344  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 345  * can use this information when handling OIDs sent by the VSC.
 346  */
 347 struct nvsp_1_message_send_ndis_version {
 348         u32 ndis_major_ver;
 349         u32 ndis_minor_ver;
 350 } __packed;
 351
 352 /*
 353  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 354  * can then use the receive buffer to send data to the VSC.
 355  */
 356 struct nvsp_1_message_send_receive_buffer {
 357         u32 gpadl_handle;
 358         u16 id;
 359 } __packed;
 360
 361 struct nvsp_1_receive_buffer_section {
 362         u32 offset;
 363         u32 sub_alloc_size;
 364         u32 num_sub_allocs;
 365         u32 end_offset;
 366 } __packed;
 367
 368 /*
 369  * This message is used by the VSP to acknowledge a receive buffer send by the
 370  * VSC. This message must be sent by the VSP before the VSP uses the receive
 371  * buffer.
 372  */
 373 struct nvsp_1_message_send_receive_buffer_complete {
 374         u32 status;
 375         u32 num_sections;
 376
 377         /*
 378          * The receive buffer is split into two parts, a large suballocation
 379          * section and a small suballocation section. These sections are then
 380          * suballocated by a certain size.
 381          */
 382
 383         /*
 384          * For example, the following break up of the receive buffer has 6
 385          * large suballocations and 10 small suballocations.
 386          */
 387
 388         /*
 389          * |            Large Section          |  |   Small Section   |
 390          * ------------------------------------------------------------
 391          * |     |     |     |     |     |     |  | | | | | | | | | | |
 392          * |                                      |
 393          *  LargeOffset                            SmallOffset
 394          */
 395
 396         struct nvsp_1_receive_buffer_section sections[1];
 397 } __packed;
 398
 399 /*
 400  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 401  * completes this transaction, the vsp should never use the receive buffer
 402  * again.
 403  */
 404 struct nvsp_1_message_revoke_receive_buffer {
 405         u16 id;
 406 };
 407
 408 /*
 409  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 410  * can then use the send buffer to send data to the VSP.
 411  */
 412 struct nvsp_1_message_send_send_buffer {
 413         u32 gpadl_handle;
 414         u16 id;
 415 } __packed;
 416
 417 /*
 418  * This message is used by the VSP to acknowledge a send buffer sent by the
 419  * VSC. This message must be sent by the VSP before the VSP uses the sent
 420  * buffer.
 421  */
 422 struct nvsp_1_message_send_send_buffer_complete {
 423         u32 status;
 424
 425         /*
 426          * The VSC gets to choose the size of the send buffer and the VSP gets
 427          * to choose the sections size of the buffer.  This was done to enable
 428          * dynamic reconfigurations when the cost of GPA-direct buffers
 429          * decreases.
 430          */
 431         u32 section_size;
 432 } __packed;
 433
 434 /*
 435  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 436  * completes this transaction, the vsp should never use the send buffer again.
 437  */
 438 struct nvsp_1_message_revoke_send_buffer {
 439         u16 id;
 440 };
 441
 442 /*
 443  * This message is used by both the VSP and the VSC to send a RNDIS message to
 444  * the opposite channel endpoint.
 445  */
 446 struct nvsp_1_message_send_rndis_packet {
 447         /*
 448          * This field is specified by RNDIS. They assume there's two different
 449          * channels of communication. However, the Network VSP only has one.
 450          * Therefore, the channel travels with the RNDIS packet.
 451          */
 452         u32 channel_type;
 453
 454         /*
 455          * This field is used to send part or all of the data through a send
 456          * buffer. This values specifies an index into the send buffer. If the
 457          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 458          * of the data was sent through other VMBus mechanisms.
 459          */
 460         u32 send_buf_section_index;
 461         u32 send_buf_section_size;
 462 } __packed;
 463
 464 /*
 465  * This message is used by both the VSP and the VSC to complete a RNDIS message
 466  * to the opposite channel endpoint. At this point, the initiator of this
 467  * message cannot use any resources associated with the original RNDIS packet.
 468  */
 469 struct nvsp_1_message_send_rndis_packet_complete {
 470         u32 status;
 471 };
 472
 473 union nvsp_1_message_uber {
 474         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 475
 476         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 477         struct nvsp_1_message_send_receive_buffer_complete
 478                                                 send_recv_buf_complete;
 479         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 480
 481         struct nvsp_1_message_send_send_buffer send_send_buf;
 482         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 483         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 484
 485         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 486         struct nvsp_1_message_send_rndis_packet_complete
 487                                                 send_rndis_pkt_complete;
 488 } __packed;
 489
 490
 491 /*
 492  * Network VSP protocol version 2 messages:
 493  */
 494 struct nvsp_2_vsc_capability {
 495         union {
 496                 u64 data;
 497                 struct {
 498                         u64 vmq:1;
 499                         u64 chimney:1;
 500                         u64 sriov:1;
 501                         u64 ieee8021q:1;
 502                         u64 correlation_id:1;
 503                         u64 teaming:1;
 504                 };
 505         };
 506 } __packed;
 507
 508 struct nvsp_2_send_ndis_config {
 509         u32 mtu;
 510         u32 reserved;
 511         struct nvsp_2_vsc_capability capability;
 512 } __packed;
 513
 514 /* Allocate receive buffer */
 515 struct nvsp_2_alloc_rxbuf {
 516         /* Allocation ID to match the allocation request and response */
 517         u32 alloc_id;
 518
 519         /* Length of the VM shared memory receive buffer that needs to
 520          * be allocated
 521          */
 522         u32 len;
 523 } __packed;
 524
 525 /* Allocate receive buffer complete */
 526 struct nvsp_2_alloc_rxbuf_comp {
 527         /* The NDIS_STATUS code for buffer allocation */
 528         u32 status;
 529
 530         u32 alloc_id;
 531
 532         /* GPADL handle for the allocated receive buffer */
 533         u32 gpadl_handle;
 534
 535         /* Receive buffer ID */
 536         u64 recv_buf_id;
 537 } __packed;
 538
 539 struct nvsp_2_free_rxbuf {
 540         u64 recv_buf_id;
 541 } __packed;
 542
 543 union nvsp_2_message_uber {
 544         struct nvsp_2_send_ndis_config send_ndis_config;
 545         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 546         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 547         struct nvsp_2_free_rxbuf free_rxbuf;
 548 } __packed;
 549
 550 struct nvsp_4_send_vf_association {
 551         /* 1: allocated, serial number is valid. 0: not allocated */
 552         u32 allocated;
 553
 554         /* Serial number of the VF to team with */
 555         u32 serial;
 556 } __packed;
 557
 558 enum nvsp_vm_datapath {
 559         NVSP_DATAPATH_SYNTHETIC = 0,
 560         NVSP_DATAPATH_VF,
 561         NVSP_DATAPATH_MAX
 562 };
 563
 564 struct nvsp_4_sw_datapath {
 565         u32 active_datapath; /* active data path in VM */
 566 } __packed;
 567
 568 union nvsp_4_message_uber {
 569         struct nvsp_4_send_vf_association vf_assoc;
 570         struct nvsp_4_sw_datapath active_dp;
 571 } __packed;
 572
 573 enum nvsp_subchannel_operation {
 574         NVSP_SUBCHANNEL_NONE = 0,
 575         NVSP_SUBCHANNEL_ALLOCATE,
 576         NVSP_SUBCHANNEL_MAX
 577 };
 578
 579 struct nvsp_5_subchannel_request {
 580         u32 op;
 581         u32 num_subchannels;
 582 } __packed;
 583
 584 struct nvsp_5_subchannel_complete {
 585         u32 status;
 586         u32 num_subchannels; /* Actual number of subchannels allocated */
 587 } __packed;
 588
 589 struct nvsp_5_send_indirect_table {
 590         /* The number of entries in the send indirection table */
 591         u32 count;
 592
 593         /* The offset of the send indirection table from top of this struct.
 594          * The send indirection table tells which channel to put the send
 595          * traffic on. Each entry is a channel number.
 596          */
 597         u32 offset;
 598 } __packed;
 599
 600 union nvsp_5_message_uber {
 601         struct nvsp_5_subchannel_request subchn_req;
 602         struct nvsp_5_subchannel_complete subchn_comp;
 603         struct nvsp_5_send_indirect_table send_table;
 604 } __packed;
 605
 606 union nvsp_all_messages {
 607         union nvsp_message_init_uber init_msg;
 608         union nvsp_1_message_uber v1_msg;
 609         union nvsp_2_message_uber v2_msg;
 610         union nvsp_4_message_uber v4_msg;
 611         union nvsp_5_message_uber v5_msg;
 612 } __packed;
 613
 614 /* ALL Messages */
 615 struct nvsp_message {
 616         struct nvsp_message_header hdr;
 617         union nvsp_all_messages msg;
 618 } __packed;
 619
 620
 621 #define NETVSC_MTU 65535
 622 #define NETVSC_MTU_MIN ETH_MIN_MTU
 623
 624 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*16)  /* 16MB */
 625 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY       (1024*1024*15)  /* 15MB */
 626 #define NETVSC_SEND_BUFFER_SIZE                 (1024 * 1024 * 15)   /* 15MB */
 627 #define NETVSC_INVALID_INDEX                    -1
 628
 629
 630 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 631 #define NETVSC_SEND_BUFFER_ID                   0
 632
 633 #define NETVSC_PACKET_SIZE                      4096
 634
 635 #define VRSS_SEND_TAB_SIZE 16
 636 #define VRSS_CHANNEL_MAX 64
 637 #define VRSS_CHANNEL_DEFAULT 8
 638
 639 #define RNDIS_MAX_PKT_DEFAULT 8
 640 #define RNDIS_PKT_ALIGN_DEFAULT 8
 641
 642 struct multi_send_data {
 643         struct sk_buff *skb; /* skb containing the pkt */
 644         struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
 645         u32 count; /* counter of batched packets */
 646 };
 647
 648 struct recv_comp_data {
 649         u64 tid; /* transaction id */
 650         u32 status;
 651 };
 652
 653 /* Netvsc Receive Slots Max */
 654 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
 655
 656 struct multi_recv_comp {
 657         void *buf; /* queued receive completions */
 658         u32 first; /* first data entry */
 659         u32 next; /* next entry for writing */
 660 };
 661
 662 struct netvsc_stats {
 663         u64 packets;
 664         u64 bytes;
 665         u64 broadcast;
 666         u64 multicast;
 667         struct u64_stats_sync syncp;
 668 };
 669
 670 struct netvsc_ethtool_stats {
 671         unsigned long tx_scattered;
 672         unsigned long tx_no_memory;
 673         unsigned long tx_no_space;
 674         unsigned long tx_too_big;
 675         unsigned long tx_busy;
 676 };
 677
 678 struct netvsc_reconfig {
 679         struct list_head list;
 680         u32 event;
 681 };
 682
 683 /* The context of the netvsc device  */
 684 struct net_device_context {
 685         /* point back to our device context */
 686         struct hv_device *device_ctx;
 687         /* netvsc_device */
 688         struct netvsc_device *nvdev;
 689         /* reconfigure work */
 690         struct delayed_work dwork;
 691         /* last reconfig time */
 692         unsigned long last_reconfig;
 693         /* reconfig events */
 694         struct list_head reconfig_events;
 695         /* list protection */
 696         spinlock_t lock;
 697
 698         struct work_struct work;
 699         u32 msg_enable; /* debug level */
 700
 701         u32 tx_checksum_mask;
 702
 703         /* Ethtool settings */
 704         u8 duplex;
 705         u32 speed;
 706         struct netvsc_ethtool_stats eth_stats;
 707
 708         /* the device is going away */
 709         bool start_remove;
 710
 711         /* State to manage the associated VF interface. */
 712         struct net_device __rcu *vf_netdev;
 713
 714         /* 1: allocated, serial number is valid. 0: not allocated */
 715         u32 vf_alloc;
 716         /* Serial number of the VF to team with */
 717         u32 vf_serial;
 718 };
 719
 720 /* Per channel data */
 721 struct netvsc_channel {
 722         struct vmbus_channel *channel;
 723         struct multi_send_data msd;
 724         struct multi_recv_comp mrc;
 725         atomic_t queue_sends;
 726
 727         struct netvsc_stats tx_stats;
 728         struct netvsc_stats rx_stats;
 729 };
 730
 731 /* Per netvsc device */
 732 struct netvsc_device {
 733         u32 nvsp_version;
 734
 735         wait_queue_head_t wait_drain;
 736         bool destroy;
 737
 738         /* Receive buffer allocated by us but manages by NetVSP */
 739         void *recv_buf;
 740         u32 recv_buf_size;
 741         u32 recv_buf_gpadl_handle;
 742         u32 recv_section_cnt;
 743         struct nvsp_1_receive_buffer_section *recv_section;
 744
 745         /* Send buffer allocated by us */
 746         void *send_buf;
 747         u32 send_buf_size;
 748         u32 send_buf_gpadl_handle;
 749         u32 send_section_cnt;
 750         u32 send_section_size;
 751         unsigned long *send_section_map;
 752         int map_words;
 753
 754         /* Used for NetVSP initialization protocol */
 755         struct completion channel_init_wait;
 756         struct nvsp_message channel_init_pkt;
 757
 758         struct nvsp_message revoke_packet;
 759
 760         u32 send_table[VRSS_SEND_TAB_SIZE];
 761         u32 max_chn;
 762         u32 num_chn;
 763         spinlock_t sc_lock; /* Protects num_sc_offered variable */
 764         u32 num_sc_offered;
 765
 766         /* Holds rndis device info */
 767         void *extension;
 768
 769         int ring_size;
 770
 771         u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
 772         u32 pkt_align; /* alignment bytes, e.g. 8 */
 773
 774         atomic_t num_outstanding_recvs;
 775
 776         atomic_t open_cnt;
 777
 778         struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
 779 };
 780
 781 static inline struct netvsc_device *
 782 net_device_to_netvsc_device(struct net_device *ndev)
 783 {
 784         return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
 785 }
 786
 787 static inline struct netvsc_device *
 788 hv_device_to_netvsc_device(struct hv_device *device)
 789 {
 790         return net_device_to_netvsc_device(hv_get_drvdata(device));
 791 }
 792
 793 /* NdisInitialize message */
 794 struct rndis_initialize_request {
 795         u32 req_id;
 796         u32 major_ver;
 797         u32 minor_ver;
 798         u32 max_xfer_size;
 799 };
 800
 801 /* Response to NdisInitialize */
 802 struct rndis_initialize_complete {
 803         u32 req_id;
 804         u32 status;
 805         u32 major_ver;
 806         u32 minor_ver;
 807         u32 dev_flags;
 808         u32 medium;
 809         u32 max_pkt_per_msg;
 810         u32 max_xfer_size;
 811         u32 pkt_alignment_factor;
 812         u32 af_list_offset;
 813         u32 af_list_size;
 814 };
 815
 816 /* Call manager devices only: Information about an address family */
 817 /* supported by the device is appended to the response to NdisInitialize. */
 818 struct rndis_co_address_family {
 819         u32 address_family;
 820         u32 major_ver;
 821         u32 minor_ver;
 822 };
 823
 824 /* NdisHalt message */
 825 struct rndis_halt_request {
 826         u32 req_id;
 827 };
 828
 829 /* NdisQueryRequest message */
 830 struct rndis_query_request {
 831         u32 req_id;
 832         u32 oid;
 833         u32 info_buflen;
 834         u32 info_buf_offset;
 835         u32 dev_vc_handle;
 836 };
 837
 838 /* Response to NdisQueryRequest */
 839 struct rndis_query_complete {
 840         u32 req_id;
 841         u32 status;
 842         u32 info_buflen;
 843         u32 info_buf_offset;
 844 };
 845
 846 /* NdisSetRequest message */
 847 struct rndis_set_request {
 848         u32 req_id;
 849         u32 oid;
 850         u32 info_buflen;
 851         u32 info_buf_offset;
 852         u32 dev_vc_handle;
 853 };
 854
 855 /* Response to NdisSetRequest */
 856 struct rndis_set_complete {
 857         u32 req_id;
 858         u32 status;
 859 };
 860
 861 /* NdisReset message */
 862 struct rndis_reset_request {
 863         u32 reserved;
 864 };
 865
 866 /* Response to NdisReset */
 867 struct rndis_reset_complete {
 868         u32 status;
 869         u32 addressing_reset;
 870 };
 871
 872 /* NdisMIndicateStatus message */
 873 struct rndis_indicate_status {
 874         u32 status;
 875         u32 status_buflen;
 876         u32 status_buf_offset;
 877 };
 878
 879 /* Diagnostic information passed as the status buffer in */
 880 /* struct rndis_indicate_status messages signifying error conditions. */
 881 struct rndis_diagnostic_info {
 882         u32 diag_status;
 883         u32 error_offset;
 884 };
 885
 886 /* NdisKeepAlive message */
 887 struct rndis_keepalive_request {
 888         u32 req_id;
 889 };
 890
 891 /* Response to NdisKeepAlive */
 892 struct rndis_keepalive_complete {
 893         u32 req_id;
 894         u32 status;
 895 };
 896
 897 /*
 898  * Data message. All Offset fields contain byte offsets from the beginning of
 899  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 900  * to 0 for connectionless data, otherwise it contains the VC handle.
 901  */
 902 struct rndis_packet {
 903         u32 data_offset;
 904         u32 data_len;
 905         u32 oob_data_offset;
 906         u32 oob_data_len;
 907         u32 num_oob_data_elements;
 908         u32 per_pkt_info_offset;
 909         u32 per_pkt_info_len;
 910         u32 vc_handle;
 911         u32 reserved;
 912 };
 913
 914 /* Optional Out of Band data associated with a Data message. */
 915 struct rndis_oobd {
 916         u32 size;
 917         u32 type;
 918         u32 class_info_offset;
 919 };
 920
 921 /* Packet extension field contents associated with a Data message. */
 922 struct rndis_per_packet_info {
 923         u32 size;
 924         u32 type;
 925         u32 ppi_offset;
 926 };
 927
 928 enum ndis_per_pkt_info_type {
 929         TCPIP_CHKSUM_PKTINFO,
 930         IPSEC_PKTINFO,
 931         TCP_LARGESEND_PKTINFO,
 932         CLASSIFICATION_HANDLE_PKTINFO,
 933         NDIS_RESERVED,
 934         SG_LIST_PKTINFO,
 935         IEEE_8021Q_INFO,
 936         ORIGINAL_PKTINFO,
 937         PACKET_CANCEL_ID,
 938         NBL_HASH_VALUE = PACKET_CANCEL_ID,
 939         ORIGINAL_NET_BUFLIST,
 940         CACHED_NET_BUFLIST,
 941         SHORT_PKT_PADINFO,
 942         MAX_PER_PKT_INFO
 943 };
 944
 945 struct ndis_pkt_8021q_info {
 946         union {
 947                 struct {
 948                         u32 pri:3; /* User Priority */
 949                         u32 cfi:1; /* Canonical Format ID */
 950                         u32 vlanid:12; /* VLAN ID */
 951                         u32 reserved:16;
 952                 };
 953                 u32 value;
 954         };
 955 };
 956
 957 struct ndis_object_header {
 958         u8 type;
 959         u8 revision;
 960         u16 size;
 961 };
 962
 963 #define NDIS_OBJECT_TYPE_DEFAULT        0x80
 964 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
 965 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
 966 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
 967
 968 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
 969 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
 970 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
 971 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
 972 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
 973 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
 974 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
 975 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
 976 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 977 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 978
 979 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE     1
 980 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4        0
 981 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6        1
 982
 983 #define VERSION_4_OFFLOAD_SIZE                  22
 984 /*
 985  * New offload OIDs for NDIS 6
 986  */
 987 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
 988 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C           /* set only */
 989 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
 990 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
 991 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
 992 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
 993
 994 /*
 995  * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
 996  * ndis_type: NDIS_OBJTYPE_OFFLOAD
 997  */
 998
 999 #define NDIS_OFFLOAD_ENCAP_NONE         0x0000
1000 #define NDIS_OFFLOAD_ENCAP_NULL         0x0001
1001 #define NDIS_OFFLOAD_ENCAP_8023         0x0002
1002 #define NDIS_OFFLOAD_ENCAP_8023PQ       0x0004
1003 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB   0x0008
1004 #define NDIS_OFFLOAD_ENCAP_RFC1483      0x0010
1005
1006 struct ndis_csum_offload {
1007         u32     ip4_txenc;
1008         u32     ip4_txcsum;
1009 #define NDIS_TXCSUM_CAP_IP4OPT          0x001
1010 #define NDIS_TXCSUM_CAP_TCP4OPT         0x004
1011 #define NDIS_TXCSUM_CAP_TCP4            0x010
1012 #define NDIS_TXCSUM_CAP_UDP4            0x040
1013 #define NDIS_TXCSUM_CAP_IP4             0x100
1014
1015 #define NDIS_TXCSUM_ALL_TCP4    (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1016
1017         u32     ip4_rxenc;
1018         u32     ip4_rxcsum;
1019 #define NDIS_RXCSUM_CAP_IP4OPT          0x001
1020 #define NDIS_RXCSUM_CAP_TCP4OPT         0x004
1021 #define NDIS_RXCSUM_CAP_TCP4            0x010
1022 #define NDIS_RXCSUM_CAP_UDP4            0x040
1023 #define NDIS_RXCSUM_CAP_IP4             0x100
1024         u32     ip6_txenc;
1025         u32     ip6_txcsum;
1026 #define NDIS_TXCSUM_CAP_IP6EXT          0x001
1027 #define NDIS_TXCSUM_CAP_TCP6OPT         0x004
1028 #define NDIS_TXCSUM_CAP_TCP6            0x010
1029 #define NDIS_TXCSUM_CAP_UDP6            0x040
1030         u32     ip6_rxenc;
1031         u32     ip6_rxcsum;
1032 #define NDIS_RXCSUM_CAP_IP6EXT          0x001
1033 #define NDIS_RXCSUM_CAP_TCP6OPT         0x004
1034 #define NDIS_RXCSUM_CAP_TCP6            0x010
1035 #define NDIS_RXCSUM_CAP_UDP6            0x040
1036
1037 #define NDIS_TXCSUM_ALL_TCP6    (NDIS_TXCSUM_CAP_TCP6 |         \
1038                                  NDIS_TXCSUM_CAP_TCP6OPT |      \
1039                                  NDIS_TXCSUM_CAP_IP6EXT)
1040 };
1041
1042 struct ndis_lsov1_offload {
1043         u32     encap;
1044         u32     maxsize;
1045         u32     minsegs;
1046         u32     opts;
1047 };
1048
1049 struct ndis_ipsecv1_offload {
1050         u32     encap;
1051         u32     ah_esp;
1052         u32     xport_tun;
1053         u32     ip4_opts;
1054         u32     flags;
1055         u32     ip4_ah;
1056         u32     ip4_esp;
1057 };
1058
1059 struct ndis_lsov2_offload {
1060         u32     ip4_encap;
1061         u32     ip4_maxsz;
1062         u32     ip4_minsg;
1063         u32     ip6_encap;
1064         u32     ip6_maxsz;
1065         u32     ip6_minsg;
1066         u32     ip6_opts;
1067 #define NDIS_LSOV2_CAP_IP6EXT           0x001
1068 #define NDIS_LSOV2_CAP_TCP6OPT          0x004
1069
1070 #define NDIS_LSOV2_CAP_IP6              (NDIS_LSOV2_CAP_IP6EXT | \
1071                                          NDIS_LSOV2_CAP_TCP6OPT)
1072 };
1073
1074 struct ndis_ipsecv2_offload {
1075         u32     encap;
1076         u16     ip6;
1077         u16     ip4opt;
1078         u16     ip6ext;
1079         u16     ah;
1080         u16     esp;
1081         u16     ah_esp;
1082         u16     xport;
1083         u16     tun;
1084         u16     xport_tun;
1085         u16     lso;
1086         u16     extseq;
1087         u32     udp_esp;
1088         u32     auth;
1089         u32     crypto;
1090         u32     sa_caps;
1091 };
1092
1093 struct ndis_rsc_offload {
1094         u16     ip4;
1095         u16     ip6;
1096 };
1097
1098 struct ndis_encap_offload {
1099         u32     flags;
1100         u32     maxhdr;
1101 };
1102
1103 struct ndis_offload {
1104         struct ndis_object_header       header;
1105         struct ndis_csum_offload        csum;
1106         struct ndis_lsov1_offload       lsov1;
1107         struct ndis_ipsecv1_offload     ipsecv1;
1108         struct ndis_lsov2_offload       lsov2;
1109         u32                             flags;
1110         /* NDIS >= 6.1 */
1111         struct ndis_ipsecv2_offload     ipsecv2;
1112         /* NDIS >= 6.30 */
1113         struct ndis_rsc_offload         rsc;
1114         struct ndis_encap_offload       encap_gre;
1115 };
1116
1117 #define NDIS_OFFLOAD_SIZE               sizeof(struct ndis_offload)
1118 #define NDIS_OFFLOAD_SIZE_6_0           offsetof(struct ndis_offload, ipsecv2)
1119 #define NDIS_OFFLOAD_SIZE_6_1           offsetof(struct ndis_offload, rsc)
1120
1121 struct ndis_offload_params {
1122         struct ndis_object_header header;
1123         u8 ip_v4_csum;
1124         u8 tcp_ip_v4_csum;
1125         u8 udp_ip_v4_csum;
1126         u8 tcp_ip_v6_csum;
1127         u8 udp_ip_v6_csum;
1128         u8 lso_v1;
1129         u8 ip_sec_v1;
1130         u8 lso_v2_ipv4;
1131         u8 lso_v2_ipv6;
1132         u8 tcp_connection_ip_v4;
1133         u8 tcp_connection_ip_v6;
1134         u32 flags;
1135         u8 ip_sec_v2;
1136         u8 ip_sec_v2_ip_v4;
1137         struct {
1138                 u8 rsc_ip_v4;
1139                 u8 rsc_ip_v6;
1140         };
1141         struct {
1142                 u8 encapsulated_packet_task_offload;
1143                 u8 encapsulation_types;
1144         };
1145 };
1146
1147 struct ndis_tcp_ip_checksum_info {
1148         union {
1149                 struct {
1150                         u32 is_ipv4:1;
1151                         u32 is_ipv6:1;
1152                         u32 tcp_checksum:1;
1153                         u32 udp_checksum:1;
1154                         u32 ip_header_checksum:1;
1155                         u32 reserved:11;
1156                         u32 tcp_header_offset:10;
1157                 } transmit;
1158                 struct {
1159                         u32 tcp_checksum_failed:1;
1160                         u32 udp_checksum_failed:1;
1161                         u32 ip_checksum_failed:1;
1162                         u32 tcp_checksum_succeeded:1;
1163                         u32 udp_checksum_succeeded:1;
1164                         u32 ip_checksum_succeeded:1;
1165                         u32 loopback:1;
1166                         u32 tcp_checksum_value_invalid:1;
1167                         u32 ip_checksum_value_invalid:1;
1168                 } receive;
1169                 u32  value;
1170         };
1171 };
1172
1173 struct ndis_tcp_lso_info {
1174         union {
1175                 struct {
1176                         u32 unused:30;
1177                         u32 type:1;
1178                         u32 reserved2:1;
1179                 } transmit;
1180                 struct {
1181                         u32 mss:20;
1182                         u32 tcp_header_offset:10;
1183                         u32 type:1;
1184                         u32 reserved2:1;
1185                 } lso_v1_transmit;
1186                 struct {
1187                         u32 tcp_payload:30;
1188                         u32 type:1;
1189                         u32 reserved2:1;
1190                 } lso_v1_transmit_complete;
1191                 struct {
1192                         u32 mss:20;
1193                         u32 tcp_header_offset:10;
1194                         u32 type:1;
1195                         u32 ip_version:1;
1196                 } lso_v2_transmit;
1197                 struct {
1198                         u32 reserved:30;
1199                         u32 type:1;
1200                         u32 reserved2:1;
1201                 } lso_v2_transmit_complete;
1202                 u32  value;
1203         };
1204 };
1205
1206 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1207                 sizeof(struct ndis_pkt_8021q_info))
1208
1209 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1210                 sizeof(struct ndis_tcp_ip_checksum_info))
1211
1212 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1213                 sizeof(struct ndis_tcp_lso_info))
1214
1215 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1216                 sizeof(u32))
1217
1218 /* Total size of all PPI data */
1219 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1220                            NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1221
1222 /* Format of Information buffer passed in a SetRequest for the OID */
1223 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1224 struct rndis_config_parameter_info {
1225         u32 parameter_name_offset;
1226         u32 parameter_name_length;
1227         u32 parameter_type;
1228         u32 parameter_value_offset;
1229         u32 parameter_value_length;
1230 };
1231
1232 /* Values for ParameterType in struct rndis_config_parameter_info */
1233 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1234 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1235
1236 /* CONDIS Miniport messages for connection oriented devices */
1237 /* that do not implement a call manager. */
1238
1239 /* CoNdisMiniportCreateVc message */
1240 struct rcondis_mp_create_vc {
1241         u32 req_id;
1242         u32 ndis_vc_handle;
1243 };
1244
1245 /* Response to CoNdisMiniportCreateVc */
1246 struct rcondis_mp_create_vc_complete {
1247         u32 req_id;
1248         u32 dev_vc_handle;
1249         u32 status;
1250 };
1251
1252 /* CoNdisMiniportDeleteVc message */
1253 struct rcondis_mp_delete_vc {
1254         u32 req_id;
1255         u32 dev_vc_handle;
1256 };
1257
1258 /* Response to CoNdisMiniportDeleteVc */
1259 struct rcondis_mp_delete_vc_complete {
1260         u32 req_id;
1261         u32 status;
1262 };
1263
1264 /* CoNdisMiniportQueryRequest message */
1265 struct rcondis_mp_query_request {
1266         u32 req_id;
1267         u32 request_type;
1268         u32 oid;
1269         u32 dev_vc_handle;
1270         u32 info_buflen;
1271         u32 info_buf_offset;
1272 };
1273
1274 /* CoNdisMiniportSetRequest message */
1275 struct rcondis_mp_set_request {
1276         u32 req_id;
1277         u32 request_type;
1278         u32 oid;
1279         u32 dev_vc_handle;
1280         u32 info_buflen;
1281         u32 info_buf_offset;
1282 };
1283
1284 /* CoNdisIndicateStatus message */
1285 struct rcondis_indicate_status {
1286         u32 ndis_vc_handle;
1287         u32 status;
1288         u32 status_buflen;
1289         u32 status_buf_offset;
1290 };
1291
1292 /* CONDIS Call/VC parameters */
1293 struct rcondis_specific_parameters {
1294         u32 parameter_type;
1295         u32 parameter_length;
1296         u32 parameter_lffset;
1297 };
1298
1299 struct rcondis_media_parameters {
1300         u32 flags;
1301         u32 reserved1;
1302         u32 reserved2;
1303         struct rcondis_specific_parameters media_specific;
1304 };
1305
1306 struct rndis_flowspec {
1307         u32 token_rate;
1308         u32 token_bucket_size;
1309         u32 peak_bandwidth;
1310         u32 latency;
1311         u32 delay_variation;
1312         u32 service_type;
1313         u32 max_sdu_size;
1314         u32 minimum_policed_size;
1315 };
1316
1317 struct rcondis_call_manager_parameters {
1318         struct rndis_flowspec transmit;
1319         struct rndis_flowspec receive;
1320         struct rcondis_specific_parameters call_mgr_specific;
1321 };
1322
1323 /* CoNdisMiniportActivateVc message */
1324 struct rcondis_mp_activate_vc_request {
1325         u32 req_id;
1326         u32 flags;
1327         u32 dev_vc_handle;
1328         u32 media_params_offset;
1329         u32 media_params_length;
1330         u32 call_mgr_params_offset;
1331         u32 call_mgr_params_length;
1332 };
1333
1334 /* Response to CoNdisMiniportActivateVc */
1335 struct rcondis_mp_activate_vc_complete {
1336         u32 req_id;
1337         u32 status;
1338 };
1339
1340 /* CoNdisMiniportDeactivateVc message */
1341 struct rcondis_mp_deactivate_vc_request {
1342         u32 req_id;
1343         u32 flags;
1344         u32 dev_vc_handle;
1345 };
1346
1347 /* Response to CoNdisMiniportDeactivateVc */
1348 struct rcondis_mp_deactivate_vc_complete {
1349         u32 req_id;
1350         u32 status;
1351 };
1352
1353
1354 /* union with all of the RNDIS messages */
1355 union rndis_message_container {
1356         struct rndis_packet pkt;
1357         struct rndis_initialize_request init_req;
1358         struct rndis_halt_request halt_req;
1359         struct rndis_query_request query_req;
1360         struct rndis_set_request set_req;
1361         struct rndis_reset_request reset_req;
1362         struct rndis_keepalive_request keep_alive_req;
1363         struct rndis_indicate_status indicate_status;
1364         struct rndis_initialize_complete init_complete;
1365         struct rndis_query_complete query_complete;
1366         struct rndis_set_complete set_complete;
1367         struct rndis_reset_complete reset_complete;
1368         struct rndis_keepalive_complete keep_alive_complete;
1369         struct rcondis_mp_create_vc co_miniport_create_vc;
1370         struct rcondis_mp_delete_vc co_miniport_delete_vc;
1371         struct rcondis_indicate_status co_indicate_status;
1372         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1373         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1374         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1375         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1376         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1377         struct rcondis_mp_deactivate_vc_complete
1378                 co_miniport_deactivate_vc_complete;
1379 };
1380
1381 /* Remote NDIS message format */
1382 struct rndis_message {
1383         u32 ndis_msg_type;
1384
1385         /* Total length of this message, from the beginning */
1386         /* of the struct rndis_message, in bytes. */
1387         u32 msg_len;
1388
1389         /* Actual message */
1390         union rndis_message_container msg;
1391 };
1392
1393
1394 /* Handy macros */
1395
1396 /* get the size of an RNDIS message. Pass in the message type, */
1397 /* struct rndis_set_request, struct rndis_packet for example */
1398 #define RNDIS_MESSAGE_SIZE(msg)                         \
1399         (sizeof(msg) + (sizeof(struct rndis_message) -  \
1400          sizeof(union rndis_message_container)))
1401
1402 /* get pointer to info buffer with message pointer */
1403 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
1404         (((unsigned char *)(msg)) + msg->info_buf_offset)
1405
1406 /* get pointer to status buffer with message pointer */
1407 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
1408         (((unsigned char *)(msg)) + msg->status_buf_offset)
1409
1410 /* get pointer to OOBD buffer with message pointer */
1411 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
1412         (((unsigned char *)(msg)) + msg->oob_data_offset)
1413
1414 /* get pointer to data buffer with message pointer */
1415 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
1416         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1417
1418 /* get pointer to contained message from NDIS_MESSAGE pointer */
1419 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
1420         ((void *) &rndis_msg->msg)
1421
1422 /* get pointer to contained message from NDIS_MESSAGE pointer */
1423 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1424         ((void *) rndis_msg)
1425
1426
1427 #define __struct_bcount(x)
1428
1429
1430
1431 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
1432                                  sizeof(union rndis_message_container))
1433
1434 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1435
1436 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
1437 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
1438 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
1439 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
1440 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1441 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
1442 #define NDIS_PACKET_TYPE_SMT            0x00000040
1443 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
1444 #define NDIS_PACKET_TYPE_GROUP          0x00000100
1445 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1446 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
1447 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
1448
1449 #define TRANSPORT_INFO_NOT_IP   0
1450 #define TRANSPORT_INFO_IPV4_TCP 0x01
1451 #define TRANSPORT_INFO_IPV4_UDP 0x02
1452 #define TRANSPORT_INFO_IPV6_TCP 0x10
1453 #define TRANSPORT_INFO_IPV6_UDP 0x20
1454
1455 #endif /* _HYPERV_NET_H */