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         int  ring_size;
 150         u32  max_num_vrss_chns;
 151         u32  num_chn;
 152 };
 153
 154 enum rndis_device_state {
 155         RNDIS_DEV_UNINITIALIZED = 0,
 156         RNDIS_DEV_INITIALIZING,
 157         RNDIS_DEV_INITIALIZED,
 158         RNDIS_DEV_DATAINITIALIZED,
 159 };
 160
 161 #define NETVSC_HASH_KEYLEN 40
 162
 163 struct rndis_device {
 164         struct net_device *ndev;
 165
 166         enum rndis_device_state state;
 167
 168         atomic_t new_req_id;
 169
 170         spinlock_t request_lock;
 171         struct list_head req_list;
 172
 173         struct work_struct mcast_work;
 174
 175         bool link_state;        /* 0 - link up, 1 - link down */
 176
 177         u8 hw_mac_adr[ETH_ALEN];
 178         u8 rss_key[NETVSC_HASH_KEYLEN];
 179         u16 ind_table[ITAB_NUM];
 180 };
 181
 182
 183 /* Interface */
 184 struct rndis_message;
 185 struct netvsc_device;
 186 int netvsc_device_add(struct hv_device *device,
 187                       const struct netvsc_device_info *info);
 188 void netvsc_device_remove(struct hv_device *device);
 189 int netvsc_send(struct hv_device *device,
 190                 struct hv_netvsc_packet *packet,
 191                 struct rndis_message *rndis_msg,
 192                 struct hv_page_buffer **page_buffer,
 193                 struct sk_buff *skb);
 194 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 195                                 struct rndis_message *resp);
 196 int netvsc_recv_callback(struct net_device *net,
 197                          struct vmbus_channel *channel,
 198                          void  *data, u32 len,
 199                          const struct ndis_tcp_ip_checksum_info *csum_info,
 200                          const struct ndis_pkt_8021q_info *vlan);
 201 void netvsc_channel_cb(void *context);
 202 int netvsc_poll(struct napi_struct *napi, int budget);
 203 int rndis_filter_open(struct netvsc_device *nvdev);
 204 int rndis_filter_close(struct netvsc_device *nvdev);
 205 int rndis_filter_device_add(struct hv_device *dev,
 206                             struct netvsc_device_info *info);
 207 void rndis_filter_update(struct netvsc_device *nvdev);
 208 void rndis_filter_device_remove(struct hv_device *dev,
 209                                 struct netvsc_device *nvdev);
 210 int rndis_filter_set_rss_param(struct rndis_device *rdev,
 211                                const u8 *key, int num_queue);
 212 int rndis_filter_receive(struct net_device *ndev,
 213                          struct netvsc_device *net_dev,
 214                          struct hv_device *dev,
 215                          struct vmbus_channel *channel,
 216                          void *data, u32 buflen);
 217
 218 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
 219
 220 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
 221
 222 #define NVSP_INVALID_PROTOCOL_VERSION   ((u32)0xFFFFFFFF)
 223
 224 #define NVSP_PROTOCOL_VERSION_1         2
 225 #define NVSP_PROTOCOL_VERSION_2         0x30002
 226 #define NVSP_PROTOCOL_VERSION_4         0x40000
 227 #define NVSP_PROTOCOL_VERSION_5         0x50000
 228
 229 enum {
 230         NVSP_MSG_TYPE_NONE = 0,
 231
 232         /* Init Messages */
 233         NVSP_MSG_TYPE_INIT                      = 1,
 234         NVSP_MSG_TYPE_INIT_COMPLETE             = 2,
 235
 236         NVSP_VERSION_MSG_START                  = 100,
 237
 238         /* Version 1 Messages */
 239         NVSP_MSG1_TYPE_SEND_NDIS_VER            = NVSP_VERSION_MSG_START,
 240
 241         NVSP_MSG1_TYPE_SEND_RECV_BUF,
 242         NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
 243         NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
 244
 245         NVSP_MSG1_TYPE_SEND_SEND_BUF,
 246         NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
 247         NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
 248
 249         NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
 250         NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
 251
 252         /* Version 2 messages */
 253         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
 254         NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
 255         NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
 256
 257         NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
 258
 259         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
 260         NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
 261
 262         NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
 263
 264         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
 265         NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
 266
 267         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
 268         NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
 269
 270         NVSP_MSG2_TYPE_ALLOC_RXBUF,
 271         NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
 272
 273         NVSP_MSG2_TYPE_FREE_RXBUF,
 274
 275         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
 276         NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
 277
 278         NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
 279
 280         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
 281         NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 282
 283         NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
 284
 285         /* Version 4 messages */
 286         NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
 287         NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
 288         NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 289
 290         NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
 291
 292         /* Version 5 messages */
 293         NVSP_MSG5_TYPE_OID_QUERY_EX,
 294         NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
 295         NVSP_MSG5_TYPE_SUBCHANNEL,
 296         NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 297
 298         NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
 299 };
 300
 301 enum {
 302         NVSP_STAT_NONE = 0,
 303         NVSP_STAT_SUCCESS,
 304         NVSP_STAT_FAIL,
 305         NVSP_STAT_PROTOCOL_TOO_NEW,
 306         NVSP_STAT_PROTOCOL_TOO_OLD,
 307         NVSP_STAT_INVALID_RNDIS_PKT,
 308         NVSP_STAT_BUSY,
 309         NVSP_STAT_PROTOCOL_UNSUPPORTED,
 310         NVSP_STAT_MAX,
 311 };
 312
 313 struct nvsp_message_header {
 314         u32 msg_type;
 315 };
 316
 317 /* Init Messages */
 318
 319 /*
 320  * This message is used by the VSC to initialize the channel after the channels
 321  * has been opened. This message should never include anything other then
 322  * versioning (i.e. this message will be the same for ever).
 323  */
 324 struct nvsp_message_init {
 325         u32 min_protocol_ver;
 326         u32 max_protocol_ver;
 327 } __packed;
 328
 329 /*
 330  * This message is used by the VSP to complete the initialization of the
 331  * channel. This message should never include anything other then versioning
 332  * (i.e. this message will be the same for ever).
 333  */
 334 struct nvsp_message_init_complete {
 335         u32 negotiated_protocol_ver;
 336         u32 max_mdl_chain_len;
 337         u32 status;
 338 } __packed;
 339
 340 union nvsp_message_init_uber {
 341         struct nvsp_message_init init;
 342         struct nvsp_message_init_complete init_complete;
 343 } __packed;
 344
 345 /* Version 1 Messages */
 346
 347 /*
 348  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
 349  * can use this information when handling OIDs sent by the VSC.
 350  */
 351 struct nvsp_1_message_send_ndis_version {
 352         u32 ndis_major_ver;
 353         u32 ndis_minor_ver;
 354 } __packed;
 355
 356 /*
 357  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
 358  * can then use the receive buffer to send data to the VSC.
 359  */
 360 struct nvsp_1_message_send_receive_buffer {
 361         u32 gpadl_handle;
 362         u16 id;
 363 } __packed;
 364
 365 struct nvsp_1_receive_buffer_section {
 366         u32 offset;
 367         u32 sub_alloc_size;
 368         u32 num_sub_allocs;
 369         u32 end_offset;
 370 } __packed;
 371
 372 /*
 373  * This message is used by the VSP to acknowledge a receive buffer send by the
 374  * VSC. This message must be sent by the VSP before the VSP uses the receive
 375  * buffer.
 376  */
 377 struct nvsp_1_message_send_receive_buffer_complete {
 378         u32 status;
 379         u32 num_sections;
 380
 381         /*
 382          * The receive buffer is split into two parts, a large suballocation
 383          * section and a small suballocation section. These sections are then
 384          * suballocated by a certain size.
 385          */
 386
 387         /*
 388          * For example, the following break up of the receive buffer has 6
 389          * large suballocations and 10 small suballocations.
 390          */
 391
 392         /*
 393          * |            Large Section          |  |   Small Section   |
 394          * ------------------------------------------------------------
 395          * |     |     |     |     |     |     |  | | | | | | | | | | |
 396          * |                                      |
 397          *  LargeOffset                            SmallOffset
 398          */
 399
 400         struct nvsp_1_receive_buffer_section sections[1];
 401 } __packed;
 402
 403 /*
 404  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
 405  * completes this transaction, the vsp should never use the receive buffer
 406  * again.
 407  */
 408 struct nvsp_1_message_revoke_receive_buffer {
 409         u16 id;
 410 };
 411
 412 /*
 413  * This message is used by the VSC to send a send buffer to the VSP. The VSC
 414  * can then use the send buffer to send data to the VSP.
 415  */
 416 struct nvsp_1_message_send_send_buffer {
 417         u32 gpadl_handle;
 418         u16 id;
 419 } __packed;
 420
 421 /*
 422  * This message is used by the VSP to acknowledge a send buffer sent by the
 423  * VSC. This message must be sent by the VSP before the VSP uses the sent
 424  * buffer.
 425  */
 426 struct nvsp_1_message_send_send_buffer_complete {
 427         u32 status;
 428
 429         /*
 430          * The VSC gets to choose the size of the send buffer and the VSP gets
 431          * to choose the sections size of the buffer.  This was done to enable
 432          * dynamic reconfigurations when the cost of GPA-direct buffers
 433          * decreases.
 434          */
 435         u32 section_size;
 436 } __packed;
 437
 438 /*
 439  * This message is sent by the VSC to revoke the send buffer.  After the VSP
 440  * completes this transaction, the vsp should never use the send buffer again.
 441  */
 442 struct nvsp_1_message_revoke_send_buffer {
 443         u16 id;
 444 };
 445
 446 /*
 447  * This message is used by both the VSP and the VSC to send a RNDIS message to
 448  * the opposite channel endpoint.
 449  */
 450 struct nvsp_1_message_send_rndis_packet {
 451         /*
 452          * This field is specified by RNDIS. They assume there's two different
 453          * channels of communication. However, the Network VSP only has one.
 454          * Therefore, the channel travels with the RNDIS packet.
 455          */
 456         u32 channel_type;
 457
 458         /*
 459          * This field is used to send part or all of the data through a send
 460          * buffer. This values specifies an index into the send buffer. If the
 461          * index is 0xFFFFFFFF, then the send buffer is not being used and all
 462          * of the data was sent through other VMBus mechanisms.
 463          */
 464         u32 send_buf_section_index;
 465         u32 send_buf_section_size;
 466 } __packed;
 467
 468 /*
 469  * This message is used by both the VSP and the VSC to complete a RNDIS message
 470  * to the opposite channel endpoint. At this point, the initiator of this
 471  * message cannot use any resources associated with the original RNDIS packet.
 472  */
 473 struct nvsp_1_message_send_rndis_packet_complete {
 474         u32 status;
 475 };
 476
 477 union nvsp_1_message_uber {
 478         struct nvsp_1_message_send_ndis_version send_ndis_ver;
 479
 480         struct nvsp_1_message_send_receive_buffer send_recv_buf;
 481         struct nvsp_1_message_send_receive_buffer_complete
 482                                                 send_recv_buf_complete;
 483         struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
 484
 485         struct nvsp_1_message_send_send_buffer send_send_buf;
 486         struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
 487         struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
 488
 489         struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
 490         struct nvsp_1_message_send_rndis_packet_complete
 491                                                 send_rndis_pkt_complete;
 492 } __packed;
 493
 494
 495 /*
 496  * Network VSP protocol version 2 messages:
 497  */
 498 struct nvsp_2_vsc_capability {
 499         union {
 500                 u64 data;
 501                 struct {
 502                         u64 vmq:1;
 503                         u64 chimney:1;
 504                         u64 sriov:1;
 505                         u64 ieee8021q:1;
 506                         u64 correlation_id:1;
 507                         u64 teaming:1;
 508                 };
 509         };
 510 } __packed;
 511
 512 struct nvsp_2_send_ndis_config {
 513         u32 mtu;
 514         u32 reserved;
 515         struct nvsp_2_vsc_capability capability;
 516 } __packed;
 517
 518 /* Allocate receive buffer */
 519 struct nvsp_2_alloc_rxbuf {
 520         /* Allocation ID to match the allocation request and response */
 521         u32 alloc_id;
 522
 523         /* Length of the VM shared memory receive buffer that needs to
 524          * be allocated
 525          */
 526         u32 len;
 527 } __packed;
 528
 529 /* Allocate receive buffer complete */
 530 struct nvsp_2_alloc_rxbuf_comp {
 531         /* The NDIS_STATUS code for buffer allocation */
 532         u32 status;
 533
 534         u32 alloc_id;
 535
 536         /* GPADL handle for the allocated receive buffer */
 537         u32 gpadl_handle;
 538
 539         /* Receive buffer ID */
 540         u64 recv_buf_id;
 541 } __packed;
 542
 543 struct nvsp_2_free_rxbuf {
 544         u64 recv_buf_id;
 545 } __packed;
 546
 547 union nvsp_2_message_uber {
 548         struct nvsp_2_send_ndis_config send_ndis_config;
 549         struct nvsp_2_alloc_rxbuf alloc_rxbuf;
 550         struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
 551         struct nvsp_2_free_rxbuf free_rxbuf;
 552 } __packed;
 553
 554 struct nvsp_4_send_vf_association {
 555         /* 1: allocated, serial number is valid. 0: not allocated */
 556         u32 allocated;
 557
 558         /* Serial number of the VF to team with */
 559         u32 serial;
 560 } __packed;
 561
 562 enum nvsp_vm_datapath {
 563         NVSP_DATAPATH_SYNTHETIC = 0,
 564         NVSP_DATAPATH_VF,
 565         NVSP_DATAPATH_MAX
 566 };
 567
 568 struct nvsp_4_sw_datapath {
 569         u32 active_datapath; /* active data path in VM */
 570 } __packed;
 571
 572 union nvsp_4_message_uber {
 573         struct nvsp_4_send_vf_association vf_assoc;
 574         struct nvsp_4_sw_datapath active_dp;
 575 } __packed;
 576
 577 enum nvsp_subchannel_operation {
 578         NVSP_SUBCHANNEL_NONE = 0,
 579         NVSP_SUBCHANNEL_ALLOCATE,
 580         NVSP_SUBCHANNEL_MAX
 581 };
 582
 583 struct nvsp_5_subchannel_request {
 584         u32 op;
 585         u32 num_subchannels;
 586 } __packed;
 587
 588 struct nvsp_5_subchannel_complete {
 589         u32 status;
 590         u32 num_subchannels; /* Actual number of subchannels allocated */
 591 } __packed;
 592
 593 struct nvsp_5_send_indirect_table {
 594         /* The number of entries in the send indirection table */
 595         u32 count;
 596
 597         /* The offset of the send indirection table from top of this struct.
 598          * The send indirection table tells which channel to put the send
 599          * traffic on. Each entry is a channel number.
 600          */
 601         u32 offset;
 602 } __packed;
 603
 604 union nvsp_5_message_uber {
 605         struct nvsp_5_subchannel_request subchn_req;
 606         struct nvsp_5_subchannel_complete subchn_comp;
 607         struct nvsp_5_send_indirect_table send_table;
 608 } __packed;
 609
 610 union nvsp_all_messages {
 611         union nvsp_message_init_uber init_msg;
 612         union nvsp_1_message_uber v1_msg;
 613         union nvsp_2_message_uber v2_msg;
 614         union nvsp_4_message_uber v4_msg;
 615         union nvsp_5_message_uber v5_msg;
 616 } __packed;
 617
 618 /* ALL Messages */
 619 struct nvsp_message {
 620         struct nvsp_message_header hdr;
 621         union nvsp_all_messages msg;
 622 } __packed;
 623
 624
 625 #define NETVSC_MTU 65535
 626 #define NETVSC_MTU_MIN ETH_MIN_MTU
 627
 628 #define NETVSC_RECEIVE_BUFFER_SIZE              (1024*1024*16)  /* 16MB */
 629 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY       (1024*1024*15)  /* 15MB */
 630 #define NETVSC_SEND_BUFFER_SIZE                 (1024 * 1024 * 15)   /* 15MB */
 631 #define NETVSC_INVALID_INDEX                    -1
 632
 633
 634 #define NETVSC_RECEIVE_BUFFER_ID                0xcafe
 635 #define NETVSC_SEND_BUFFER_ID                   0
 636
 637 #define NETVSC_PACKET_SIZE                      4096
 638
 639 #define VRSS_SEND_TAB_SIZE 16  /* must be power of 2 */
 640 #define VRSS_CHANNEL_MAX 64
 641 #define VRSS_CHANNEL_DEFAULT 8
 642
 643 #define RNDIS_MAX_PKT_DEFAULT 8
 644 #define RNDIS_PKT_ALIGN_DEFAULT 8
 645
 646 struct multi_send_data {
 647         struct sk_buff *skb; /* skb containing the pkt */
 648         struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
 649         u32 count; /* counter of batched packets */
 650 };
 651
 652 struct recv_comp_data {
 653         u64 tid; /* transaction id */
 654         u32 status;
 655 };
 656
 657 /* Netvsc Receive Slots Max */
 658 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
 659
 660 struct multi_recv_comp {
 661         void *buf; /* queued receive completions */
 662         u32 first; /* first data entry */
 663         u32 next; /* next entry for writing */
 664 };
 665
 666 struct netvsc_stats {
 667         u64 packets;
 668         u64 bytes;
 669         u64 broadcast;
 670         u64 multicast;
 671         struct u64_stats_sync syncp;
 672 };
 673
 674 struct netvsc_ethtool_stats {
 675         unsigned long tx_scattered;
 676         unsigned long tx_no_memory;
 677         unsigned long tx_no_space;
 678         unsigned long tx_too_big;
 679         unsigned long tx_busy;
 680 };
 681
 682 struct netvsc_reconfig {
 683         struct list_head list;
 684         u32 event;
 685 };
 686
 687 /* The context of the netvsc device  */
 688 struct net_device_context {
 689         /* point back to our device context */
 690         struct hv_device *device_ctx;
 691         /* netvsc_device */
 692         struct netvsc_device __rcu *nvdev;
 693         /* reconfigure work */
 694         struct delayed_work dwork;
 695         /* last reconfig time */
 696         unsigned long last_reconfig;
 697         /* reconfig events */
 698         struct list_head reconfig_events;
 699         /* list protection */
 700         spinlock_t lock;
 701
 702         u32 msg_enable; /* debug level */
 703
 704         u32 tx_checksum_mask;
 705
 706         u32 tx_send_table[VRSS_SEND_TAB_SIZE];
 707
 708         /* Ethtool settings */
 709         u8 duplex;
 710         u32 speed;
 711         struct netvsc_ethtool_stats eth_stats;
 712
 713         /* State to manage the associated VF interface. */
 714         struct net_device __rcu *vf_netdev;
 715
 716         /* 1: allocated, serial number is valid. 0: not allocated */
 717         u32 vf_alloc;
 718         /* Serial number of the VF to team with */
 719         u32 vf_serial;
 720
 721         bool datapath;  /* 0 - synthetic, 1 - VF nic */
 722 };
 723
 724 /* Per channel data */
 725 struct netvsc_channel {
 726         struct vmbus_channel *channel;
 727         const struct vmpacket_descriptor *desc;
 728         struct napi_struct napi;
 729         struct multi_send_data msd;
 730         struct multi_recv_comp mrc;
 731         atomic_t queue_sends;
 732
 733         struct netvsc_stats tx_stats;
 734         struct netvsc_stats rx_stats;
 735 };
 736
 737 /* Per netvsc device */
 738 struct netvsc_device {
 739         u32 nvsp_version;
 740
 741         wait_queue_head_t wait_drain;
 742         bool destroy;
 743
 744         /* Receive buffer allocated by us but manages by NetVSP */
 745         void *recv_buf;
 746         u32 recv_buf_size;
 747         u32 recv_buf_gpadl_handle;
 748         u32 recv_section_cnt;
 749         struct nvsp_1_receive_buffer_section *recv_section;
 750
 751         /* Send buffer allocated by us */
 752         void *send_buf;
 753         u32 send_buf_size;
 754         u32 send_buf_gpadl_handle;
 755         u32 send_section_cnt;
 756         u32 send_section_size;
 757         unsigned long *send_section_map;
 758
 759         /* Used for NetVSP initialization protocol */
 760         struct completion channel_init_wait;
 761         struct nvsp_message channel_init_pkt;
 762
 763         struct nvsp_message revoke_packet;
 764
 765         u32 max_chn;
 766         u32 num_chn;
 767
 768         refcount_t sc_offered;
 769
 770         struct rndis_device *extension;
 771
 772         int ring_size;
 773
 774         u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
 775         u32 pkt_align; /* alignment bytes, e.g. 8 */
 776
 777         atomic_t num_outstanding_recvs;
 778
 779         atomic_t open_cnt;
 780
 781         struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
 782
 783         struct rcu_head rcu;
 784 };
 785
 786 static inline struct netvsc_device *
 787 net_device_to_netvsc_device(struct net_device *ndev)
 788 {
 789         return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
 790 }
 791
 792 static inline struct netvsc_device *
 793 hv_device_to_netvsc_device(struct hv_device *device)
 794 {
 795         return net_device_to_netvsc_device(hv_get_drvdata(device));
 796 }
 797
 798 /* NdisInitialize message */
 799 struct rndis_initialize_request {
 800         u32 req_id;
 801         u32 major_ver;
 802         u32 minor_ver;
 803         u32 max_xfer_size;
 804 };
 805
 806 /* Response to NdisInitialize */
 807 struct rndis_initialize_complete {
 808         u32 req_id;
 809         u32 status;
 810         u32 major_ver;
 811         u32 minor_ver;
 812         u32 dev_flags;
 813         u32 medium;
 814         u32 max_pkt_per_msg;
 815         u32 max_xfer_size;
 816         u32 pkt_alignment_factor;
 817         u32 af_list_offset;
 818         u32 af_list_size;
 819 };
 820
 821 /* Call manager devices only: Information about an address family */
 822 /* supported by the device is appended to the response to NdisInitialize. */
 823 struct rndis_co_address_family {
 824         u32 address_family;
 825         u32 major_ver;
 826         u32 minor_ver;
 827 };
 828
 829 /* NdisHalt message */
 830 struct rndis_halt_request {
 831         u32 req_id;
 832 };
 833
 834 /* NdisQueryRequest message */
 835 struct rndis_query_request {
 836         u32 req_id;
 837         u32 oid;
 838         u32 info_buflen;
 839         u32 info_buf_offset;
 840         u32 dev_vc_handle;
 841 };
 842
 843 /* Response to NdisQueryRequest */
 844 struct rndis_query_complete {
 845         u32 req_id;
 846         u32 status;
 847         u32 info_buflen;
 848         u32 info_buf_offset;
 849 };
 850
 851 /* NdisSetRequest message */
 852 struct rndis_set_request {
 853         u32 req_id;
 854         u32 oid;
 855         u32 info_buflen;
 856         u32 info_buf_offset;
 857         u32 dev_vc_handle;
 858 };
 859
 860 /* Response to NdisSetRequest */
 861 struct rndis_set_complete {
 862         u32 req_id;
 863         u32 status;
 864 };
 865
 866 /* NdisReset message */
 867 struct rndis_reset_request {
 868         u32 reserved;
 869 };
 870
 871 /* Response to NdisReset */
 872 struct rndis_reset_complete {
 873         u32 status;
 874         u32 addressing_reset;
 875 };
 876
 877 /* NdisMIndicateStatus message */
 878 struct rndis_indicate_status {
 879         u32 status;
 880         u32 status_buflen;
 881         u32 status_buf_offset;
 882 };
 883
 884 /* Diagnostic information passed as the status buffer in */
 885 /* struct rndis_indicate_status messages signifying error conditions. */
 886 struct rndis_diagnostic_info {
 887         u32 diag_status;
 888         u32 error_offset;
 889 };
 890
 891 /* NdisKeepAlive message */
 892 struct rndis_keepalive_request {
 893         u32 req_id;
 894 };
 895
 896 /* Response to NdisKeepAlive */
 897 struct rndis_keepalive_complete {
 898         u32 req_id;
 899         u32 status;
 900 };
 901
 902 /*
 903  * Data message. All Offset fields contain byte offsets from the beginning of
 904  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
 905  * to 0 for connectionless data, otherwise it contains the VC handle.
 906  */
 907 struct rndis_packet {
 908         u32 data_offset;
 909         u32 data_len;
 910         u32 oob_data_offset;
 911         u32 oob_data_len;
 912         u32 num_oob_data_elements;
 913         u32 per_pkt_info_offset;
 914         u32 per_pkt_info_len;
 915         u32 vc_handle;
 916         u32 reserved;
 917 };
 918
 919 /* Optional Out of Band data associated with a Data message. */
 920 struct rndis_oobd {
 921         u32 size;
 922         u32 type;
 923         u32 class_info_offset;
 924 };
 925
 926 /* Packet extension field contents associated with a Data message. */
 927 struct rndis_per_packet_info {
 928         u32 size;
 929         u32 type;
 930         u32 ppi_offset;
 931 };
 932
 933 enum ndis_per_pkt_info_type {
 934         TCPIP_CHKSUM_PKTINFO,
 935         IPSEC_PKTINFO,
 936         TCP_LARGESEND_PKTINFO,
 937         CLASSIFICATION_HANDLE_PKTINFO,
 938         NDIS_RESERVED,
 939         SG_LIST_PKTINFO,
 940         IEEE_8021Q_INFO,
 941         ORIGINAL_PKTINFO,
 942         PACKET_CANCEL_ID,
 943         NBL_HASH_VALUE = PACKET_CANCEL_ID,
 944         ORIGINAL_NET_BUFLIST,
 945         CACHED_NET_BUFLIST,
 946         SHORT_PKT_PADINFO,
 947         MAX_PER_PKT_INFO
 948 };
 949
 950 struct ndis_pkt_8021q_info {
 951         union {
 952                 struct {
 953                         u32 pri:3; /* User Priority */
 954                         u32 cfi:1; /* Canonical Format ID */
 955                         u32 vlanid:12; /* VLAN ID */
 956                         u32 reserved:16;
 957                 };
 958                 u32 value;
 959         };
 960 };
 961
 962 struct ndis_object_header {
 963         u8 type;
 964         u8 revision;
 965         u16 size;
 966 };
 967
 968 #define NDIS_OBJECT_TYPE_DEFAULT        0x80
 969 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
 970 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
 971 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
 972
 973 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
 974 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
 975 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
 976 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
 977 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
 978 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
 979 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
 980 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
 981 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
 982 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
 983
 984 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE     1
 985 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4        0
 986 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6        1
 987
 988 #define VERSION_4_OFFLOAD_SIZE                  22
 989 /*
 990  * New offload OIDs for NDIS 6
 991  */
 992 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
 993 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C           /* set only */
 994 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
 995 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
 996 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
 997 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
 998
 999 /*
1000  * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
1001  * ndis_type: NDIS_OBJTYPE_OFFLOAD
1002  */
1003
1004 #define NDIS_OFFLOAD_ENCAP_NONE         0x0000
1005 #define NDIS_OFFLOAD_ENCAP_NULL         0x0001
1006 #define NDIS_OFFLOAD_ENCAP_8023         0x0002
1007 #define NDIS_OFFLOAD_ENCAP_8023PQ       0x0004
1008 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB   0x0008
1009 #define NDIS_OFFLOAD_ENCAP_RFC1483      0x0010
1010
1011 struct ndis_csum_offload {
1012         u32     ip4_txenc;
1013         u32     ip4_txcsum;
1014 #define NDIS_TXCSUM_CAP_IP4OPT          0x001
1015 #define NDIS_TXCSUM_CAP_TCP4OPT         0x004
1016 #define NDIS_TXCSUM_CAP_TCP4            0x010
1017 #define NDIS_TXCSUM_CAP_UDP4            0x040
1018 #define NDIS_TXCSUM_CAP_IP4             0x100
1019
1020 #define NDIS_TXCSUM_ALL_TCP4    (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1021
1022         u32     ip4_rxenc;
1023         u32     ip4_rxcsum;
1024 #define NDIS_RXCSUM_CAP_IP4OPT          0x001
1025 #define NDIS_RXCSUM_CAP_TCP4OPT         0x004
1026 #define NDIS_RXCSUM_CAP_TCP4            0x010
1027 #define NDIS_RXCSUM_CAP_UDP4            0x040
1028 #define NDIS_RXCSUM_CAP_IP4             0x100
1029         u32     ip6_txenc;
1030         u32     ip6_txcsum;
1031 #define NDIS_TXCSUM_CAP_IP6EXT          0x001
1032 #define NDIS_TXCSUM_CAP_TCP6OPT         0x004
1033 #define NDIS_TXCSUM_CAP_TCP6            0x010
1034 #define NDIS_TXCSUM_CAP_UDP6            0x040
1035         u32     ip6_rxenc;
1036         u32     ip6_rxcsum;
1037 #define NDIS_RXCSUM_CAP_IP6EXT          0x001
1038 #define NDIS_RXCSUM_CAP_TCP6OPT         0x004
1039 #define NDIS_RXCSUM_CAP_TCP6            0x010
1040 #define NDIS_RXCSUM_CAP_UDP6            0x040
1041
1042 #define NDIS_TXCSUM_ALL_TCP6    (NDIS_TXCSUM_CAP_TCP6 |         \
1043                                  NDIS_TXCSUM_CAP_TCP6OPT |      \
1044                                  NDIS_TXCSUM_CAP_IP6EXT)
1045 };
1046
1047 struct ndis_lsov1_offload {
1048         u32     encap;
1049         u32     maxsize;
1050         u32     minsegs;
1051         u32     opts;
1052 };
1053
1054 struct ndis_ipsecv1_offload {
1055         u32     encap;
1056         u32     ah_esp;
1057         u32     xport_tun;
1058         u32     ip4_opts;
1059         u32     flags;
1060         u32     ip4_ah;
1061         u32     ip4_esp;
1062 };
1063
1064 struct ndis_lsov2_offload {
1065         u32     ip4_encap;
1066         u32     ip4_maxsz;
1067         u32     ip4_minsg;
1068         u32     ip6_encap;
1069         u32     ip6_maxsz;
1070         u32     ip6_minsg;
1071         u32     ip6_opts;
1072 #define NDIS_LSOV2_CAP_IP6EXT           0x001
1073 #define NDIS_LSOV2_CAP_TCP6OPT          0x004
1074
1075 #define NDIS_LSOV2_CAP_IP6              (NDIS_LSOV2_CAP_IP6EXT | \
1076                                          NDIS_LSOV2_CAP_TCP6OPT)
1077 };
1078
1079 struct ndis_ipsecv2_offload {
1080         u32     encap;
1081         u16     ip6;
1082         u16     ip4opt;
1083         u16     ip6ext;
1084         u16     ah;
1085         u16     esp;
1086         u16     ah_esp;
1087         u16     xport;
1088         u16     tun;
1089         u16     xport_tun;
1090         u16     lso;
1091         u16     extseq;
1092         u32     udp_esp;
1093         u32     auth;
1094         u32     crypto;
1095         u32     sa_caps;
1096 };
1097
1098 struct ndis_rsc_offload {
1099         u16     ip4;
1100         u16     ip6;
1101 };
1102
1103 struct ndis_encap_offload {
1104         u32     flags;
1105         u32     maxhdr;
1106 };
1107
1108 struct ndis_offload {
1109         struct ndis_object_header       header;
1110         struct ndis_csum_offload        csum;
1111         struct ndis_lsov1_offload       lsov1;
1112         struct ndis_ipsecv1_offload     ipsecv1;
1113         struct ndis_lsov2_offload       lsov2;
1114         u32                             flags;
1115         /* NDIS >= 6.1 */
1116         struct ndis_ipsecv2_offload     ipsecv2;
1117         /* NDIS >= 6.30 */
1118         struct ndis_rsc_offload         rsc;
1119         struct ndis_encap_offload       encap_gre;
1120 };
1121
1122 #define NDIS_OFFLOAD_SIZE               sizeof(struct ndis_offload)
1123 #define NDIS_OFFLOAD_SIZE_6_0           offsetof(struct ndis_offload, ipsecv2)
1124 #define NDIS_OFFLOAD_SIZE_6_1           offsetof(struct ndis_offload, rsc)
1125
1126 struct ndis_offload_params {
1127         struct ndis_object_header header;
1128         u8 ip_v4_csum;
1129         u8 tcp_ip_v4_csum;
1130         u8 udp_ip_v4_csum;
1131         u8 tcp_ip_v6_csum;
1132         u8 udp_ip_v6_csum;
1133         u8 lso_v1;
1134         u8 ip_sec_v1;
1135         u8 lso_v2_ipv4;
1136         u8 lso_v2_ipv6;
1137         u8 tcp_connection_ip_v4;
1138         u8 tcp_connection_ip_v6;
1139         u32 flags;
1140         u8 ip_sec_v2;
1141         u8 ip_sec_v2_ip_v4;
1142         struct {
1143                 u8 rsc_ip_v4;
1144                 u8 rsc_ip_v6;
1145         };
1146         struct {
1147                 u8 encapsulated_packet_task_offload;
1148                 u8 encapsulation_types;
1149         };
1150 };
1151
1152 struct ndis_tcp_ip_checksum_info {
1153         union {
1154                 struct {
1155                         u32 is_ipv4:1;
1156                         u32 is_ipv6:1;
1157                         u32 tcp_checksum:1;
1158                         u32 udp_checksum:1;
1159                         u32 ip_header_checksum:1;
1160                         u32 reserved:11;
1161                         u32 tcp_header_offset:10;
1162                 } transmit;
1163                 struct {
1164                         u32 tcp_checksum_failed:1;
1165                         u32 udp_checksum_failed:1;
1166                         u32 ip_checksum_failed:1;
1167                         u32 tcp_checksum_succeeded:1;
1168                         u32 udp_checksum_succeeded:1;
1169                         u32 ip_checksum_succeeded:1;
1170                         u32 loopback:1;
1171                         u32 tcp_checksum_value_invalid:1;
1172                         u32 ip_checksum_value_invalid:1;
1173                 } receive;
1174                 u32  value;
1175         };
1176 };
1177
1178 struct ndis_tcp_lso_info {
1179         union {
1180                 struct {
1181                         u32 unused:30;
1182                         u32 type:1;
1183                         u32 reserved2:1;
1184                 } transmit;
1185                 struct {
1186                         u32 mss:20;
1187                         u32 tcp_header_offset:10;
1188                         u32 type:1;
1189                         u32 reserved2:1;
1190                 } lso_v1_transmit;
1191                 struct {
1192                         u32 tcp_payload:30;
1193                         u32 type:1;
1194                         u32 reserved2:1;
1195                 } lso_v1_transmit_complete;
1196                 struct {
1197                         u32 mss:20;
1198                         u32 tcp_header_offset:10;
1199                         u32 type:1;
1200                         u32 ip_version:1;
1201                 } lso_v2_transmit;
1202                 struct {
1203                         u32 reserved:30;
1204                         u32 type:1;
1205                         u32 reserved2:1;
1206                 } lso_v2_transmit_complete;
1207                 u32  value;
1208         };
1209 };
1210
1211 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1212                 sizeof(struct ndis_pkt_8021q_info))
1213
1214 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1215                 sizeof(struct ndis_tcp_ip_checksum_info))
1216
1217 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1218                 sizeof(struct ndis_tcp_lso_info))
1219
1220 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1221                 sizeof(u32))
1222
1223 /* Total size of all PPI data */
1224 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1225                            NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1226
1227 /* Format of Information buffer passed in a SetRequest for the OID */
1228 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1229 struct rndis_config_parameter_info {
1230         u32 parameter_name_offset;
1231         u32 parameter_name_length;
1232         u32 parameter_type;
1233         u32 parameter_value_offset;
1234         u32 parameter_value_length;
1235 };
1236
1237 /* Values for ParameterType in struct rndis_config_parameter_info */
1238 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1239 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1240
1241 /* CONDIS Miniport messages for connection oriented devices */
1242 /* that do not implement a call manager. */
1243
1244 /* CoNdisMiniportCreateVc message */
1245 struct rcondis_mp_create_vc {
1246         u32 req_id;
1247         u32 ndis_vc_handle;
1248 };
1249
1250 /* Response to CoNdisMiniportCreateVc */
1251 struct rcondis_mp_create_vc_complete {
1252         u32 req_id;
1253         u32 dev_vc_handle;
1254         u32 status;
1255 };
1256
1257 /* CoNdisMiniportDeleteVc message */
1258 struct rcondis_mp_delete_vc {
1259         u32 req_id;
1260         u32 dev_vc_handle;
1261 };
1262
1263 /* Response to CoNdisMiniportDeleteVc */
1264 struct rcondis_mp_delete_vc_complete {
1265         u32 req_id;
1266         u32 status;
1267 };
1268
1269 /* CoNdisMiniportQueryRequest message */
1270 struct rcondis_mp_query_request {
1271         u32 req_id;
1272         u32 request_type;
1273         u32 oid;
1274         u32 dev_vc_handle;
1275         u32 info_buflen;
1276         u32 info_buf_offset;
1277 };
1278
1279 /* CoNdisMiniportSetRequest message */
1280 struct rcondis_mp_set_request {
1281         u32 req_id;
1282         u32 request_type;
1283         u32 oid;
1284         u32 dev_vc_handle;
1285         u32 info_buflen;
1286         u32 info_buf_offset;
1287 };
1288
1289 /* CoNdisIndicateStatus message */
1290 struct rcondis_indicate_status {
1291         u32 ndis_vc_handle;
1292         u32 status;
1293         u32 status_buflen;
1294         u32 status_buf_offset;
1295 };
1296
1297 /* CONDIS Call/VC parameters */
1298 struct rcondis_specific_parameters {
1299         u32 parameter_type;
1300         u32 parameter_length;
1301         u32 parameter_lffset;
1302 };
1303
1304 struct rcondis_media_parameters {
1305         u32 flags;
1306         u32 reserved1;
1307         u32 reserved2;
1308         struct rcondis_specific_parameters media_specific;
1309 };
1310
1311 struct rndis_flowspec {
1312         u32 token_rate;
1313         u32 token_bucket_size;
1314         u32 peak_bandwidth;
1315         u32 latency;
1316         u32 delay_variation;
1317         u32 service_type;
1318         u32 max_sdu_size;
1319         u32 minimum_policed_size;
1320 };
1321
1322 struct rcondis_call_manager_parameters {
1323         struct rndis_flowspec transmit;
1324         struct rndis_flowspec receive;
1325         struct rcondis_specific_parameters call_mgr_specific;
1326 };
1327
1328 /* CoNdisMiniportActivateVc message */
1329 struct rcondis_mp_activate_vc_request {
1330         u32 req_id;
1331         u32 flags;
1332         u32 dev_vc_handle;
1333         u32 media_params_offset;
1334         u32 media_params_length;
1335         u32 call_mgr_params_offset;
1336         u32 call_mgr_params_length;
1337 };
1338
1339 /* Response to CoNdisMiniportActivateVc */
1340 struct rcondis_mp_activate_vc_complete {
1341         u32 req_id;
1342         u32 status;
1343 };
1344
1345 /* CoNdisMiniportDeactivateVc message */
1346 struct rcondis_mp_deactivate_vc_request {
1347         u32 req_id;
1348         u32 flags;
1349         u32 dev_vc_handle;
1350 };
1351
1352 /* Response to CoNdisMiniportDeactivateVc */
1353 struct rcondis_mp_deactivate_vc_complete {
1354         u32 req_id;
1355         u32 status;
1356 };
1357
1358
1359 /* union with all of the RNDIS messages */
1360 union rndis_message_container {
1361         struct rndis_packet pkt;
1362         struct rndis_initialize_request init_req;
1363         struct rndis_halt_request halt_req;
1364         struct rndis_query_request query_req;
1365         struct rndis_set_request set_req;
1366         struct rndis_reset_request reset_req;
1367         struct rndis_keepalive_request keep_alive_req;
1368         struct rndis_indicate_status indicate_status;
1369         struct rndis_initialize_complete init_complete;
1370         struct rndis_query_complete query_complete;
1371         struct rndis_set_complete set_complete;
1372         struct rndis_reset_complete reset_complete;
1373         struct rndis_keepalive_complete keep_alive_complete;
1374         struct rcondis_mp_create_vc co_miniport_create_vc;
1375         struct rcondis_mp_delete_vc co_miniport_delete_vc;
1376         struct rcondis_indicate_status co_indicate_status;
1377         struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1378         struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1379         struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1380         struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1381         struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1382         struct rcondis_mp_deactivate_vc_complete
1383                 co_miniport_deactivate_vc_complete;
1384 };
1385
1386 /* Remote NDIS message format */
1387 struct rndis_message {
1388         u32 ndis_msg_type;
1389
1390         /* Total length of this message, from the beginning */
1391         /* of the struct rndis_message, in bytes. */
1392         u32 msg_len;
1393
1394         /* Actual message */
1395         union rndis_message_container msg;
1396 };
1397
1398
1399 /* Handy macros */
1400
1401 /* get the size of an RNDIS message. Pass in the message type, */
1402 /* struct rndis_set_request, struct rndis_packet for example */
1403 #define RNDIS_MESSAGE_SIZE(msg)                         \
1404         (sizeof(msg) + (sizeof(struct rndis_message) -  \
1405          sizeof(union rndis_message_container)))
1406
1407 /* get pointer to info buffer with message pointer */
1408 #define MESSAGE_TO_INFO_BUFFER(msg)                             \
1409         (((unsigned char *)(msg)) + msg->info_buf_offset)
1410
1411 /* get pointer to status buffer with message pointer */
1412 #define MESSAGE_TO_STATUS_BUFFER(msg)                   \
1413         (((unsigned char *)(msg)) + msg->status_buf_offset)
1414
1415 /* get pointer to OOBD buffer with message pointer */
1416 #define MESSAGE_TO_OOBD_BUFFER(msg)                             \
1417         (((unsigned char *)(msg)) + msg->oob_data_offset)
1418
1419 /* get pointer to data buffer with message pointer */
1420 #define MESSAGE_TO_DATA_BUFFER(msg)                             \
1421         (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1422
1423 /* get pointer to contained message from NDIS_MESSAGE pointer */
1424 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)             \
1425         ((void *) &rndis_msg->msg)
1426
1427 /* get pointer to contained message from NDIS_MESSAGE pointer */
1428 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1429         ((void *) rndis_msg)
1430
1431
1432
1433 #define RNDIS_HEADER_SIZE       (sizeof(struct rndis_message) - \
1434                                  sizeof(union rndis_message_container))
1435
1436 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1437
1438 #define NDIS_PACKET_TYPE_DIRECTED       0x00000001
1439 #define NDIS_PACKET_TYPE_MULTICAST      0x00000002
1440 #define NDIS_PACKET_TYPE_ALL_MULTICAST  0x00000004
1441 #define NDIS_PACKET_TYPE_BROADCAST      0x00000008
1442 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1443 #define NDIS_PACKET_TYPE_PROMISCUOUS    0x00000020
1444 #define NDIS_PACKET_TYPE_SMT            0x00000040
1445 #define NDIS_PACKET_TYPE_ALL_LOCAL      0x00000080
1446 #define NDIS_PACKET_TYPE_GROUP          0x00000100
1447 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1448 #define NDIS_PACKET_TYPE_FUNCTIONAL     0x00000400
1449 #define NDIS_PACKET_TYPE_MAC_FRAME      0x00000800
1450
1451 #define TRANSPORT_INFO_NOT_IP   0
1452 #define TRANSPORT_INFO_IPV4_TCP 0x01
1453 #define TRANSPORT_INFO_IPV4_UDP 0x02
1454 #define TRANSPORT_INFO_IPV6_TCP 0x10
1455 #define TRANSPORT_INFO_IPV6_UDP 0x20
1456
1457 #endif /* _HYPERV_NET_H */