1 /* 2 * 3 * Copyright (c) 2011, Microsoft Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, see <http://www.gnu.org/licenses/>. 16 * 17 * Authors: 18 * Haiyang Zhang <haiyangz@microsoft.com> 19 * Hank Janssen <hjanssen@microsoft.com> 20 * K. Y. Srinivasan <kys@microsoft.com> 21 * 22 */ 23 24 #ifndef _HYPERV_NET_H 25 #define _HYPERV_NET_H 26 27 #include <linux/list.h> 28 #include <linux/hyperv.h> 29 #include <linux/rndis.h> 30 31 /* RSS related */ 32 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ 33 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ 34 35 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88 36 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89 37 38 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 39 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 40 41 struct ndis_obj_header { 42 u8 type; 43 u8 rev; 44 u16 size; 45 } __packed; 46 47 /* ndis_recv_scale_cap/cap_flag */ 48 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000 49 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000 50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000 51 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000 52 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000 53 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000 54 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100 55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200 56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400 57 58 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ 59 struct ndis_obj_header hdr; 60 u32 cap_flag; 61 u32 num_int_msg; 62 u32 num_recv_que; 63 u16 num_indirect_tabent; 64 } __packed; 65 66 67 /* ndis_recv_scale_param flags */ 68 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001 69 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002 70 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004 71 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008 72 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010 73 74 /* Hash info bits */ 75 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 76 #define NDIS_HASH_IPV4 0x00000100 77 #define NDIS_HASH_TCP_IPV4 0x00000200 78 #define NDIS_HASH_IPV6 0x00000400 79 #define NDIS_HASH_IPV6_EX 0x00000800 80 #define NDIS_HASH_TCP_IPV6 0x00001000 81 #define NDIS_HASH_TCP_IPV6_EX 0x00002000 82 83 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4) 84 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 85 86 #define ITAB_NUM 128 87 88 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ 89 struct ndis_obj_header hdr; 90 91 /* Qualifies the rest of the information */ 92 u16 flag; 93 94 /* The base CPU number to do receive processing. not used */ 95 u16 base_cpu_number; 96 97 /* This describes the hash function and type being enabled */ 98 u32 hashinfo; 99 100 /* The size of indirection table array */ 101 u16 indirect_tabsize; 102 103 /* The offset of the indirection table from the beginning of this 104 * structure 105 */ 106 u32 indirect_taboffset; 107 108 /* The size of the hash secret key */ 109 u16 hashkey_size; 110 111 /* The offset of the secret key from the beginning of this structure */ 112 u32 kashkey_offset; 113 114 u32 processor_masks_offset; 115 u32 num_processor_masks; 116 u32 processor_masks_entry_size; 117 }; 118 119 /* Fwd declaration */ 120 struct ndis_tcp_ip_checksum_info; 121 122 /* 123 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame 124 * within the RNDIS 125 * 126 * The size of this structure is less than 48 bytes and we can now 127 * place this structure in the skb->cb field. 128 */ 129 struct hv_netvsc_packet { 130 /* Bookkeeping stuff */ 131 u8 cp_partial; /* partial copy into send buffer */ 132 133 u8 rmsg_size; /* RNDIS header and PPI size */ 134 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ 135 u8 page_buf_cnt; 136 137 u16 q_idx; 138 u32 send_buf_index; 139 140 u32 total_data_buflen; 141 }; 142 143 struct netvsc_device_info { 144 unsigned char mac_adr[ETH_ALEN]; 145 bool link_state; /* 0 - link up, 1 - link down */ 146 int ring_size; 147 u32 max_num_vrss_chns; 148 u32 num_chn; 149 }; 150 151 enum rndis_device_state { 152 RNDIS_DEV_UNINITIALIZED = 0, 153 RNDIS_DEV_INITIALIZING, 154 RNDIS_DEV_INITIALIZED, 155 RNDIS_DEV_DATAINITIALIZED, 156 }; 157 158 struct rndis_device { 159 struct net_device *ndev; 160 161 enum rndis_device_state state; 162 bool link_state; 163 atomic_t new_req_id; 164 165 spinlock_t request_lock; 166 struct list_head req_list; 167 168 unsigned char hw_mac_adr[ETH_ALEN]; 169 }; 170 171 172 /* Interface */ 173 struct rndis_message; 174 struct netvsc_device; 175 int netvsc_device_add(struct hv_device *device, void *additional_info); 176 void netvsc_device_remove(struct hv_device *device); 177 int netvsc_send(struct hv_device *device, 178 struct hv_netvsc_packet *packet, 179 struct rndis_message *rndis_msg, 180 struct hv_page_buffer **page_buffer, 181 struct sk_buff *skb); 182 void netvsc_linkstatus_callback(struct hv_device *device_obj, 183 struct rndis_message *resp); 184 int netvsc_recv_callback(struct hv_device *device_obj, 185 struct hv_netvsc_packet *packet, 186 void **data, 187 struct ndis_tcp_ip_checksum_info *csum_info, 188 struct vmbus_channel *channel, 189 u16 vlan_tci); 190 void netvsc_channel_cb(void *context); 191 int rndis_filter_open(struct netvsc_device *nvdev); 192 int rndis_filter_close(struct netvsc_device *nvdev); 193 int rndis_filter_device_add(struct hv_device *dev, 194 void *additional_info); 195 void rndis_filter_device_remove(struct hv_device *dev); 196 int rndis_filter_receive(struct hv_device *dev, 197 struct hv_netvsc_packet *pkt, 198 void **data, 199 struct vmbus_channel *channel); 200 201 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter); 202 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac); 203 204 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 205 206 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 207 208 #define NVSP_PROTOCOL_VERSION_1 2 209 #define NVSP_PROTOCOL_VERSION_2 0x30002 210 #define NVSP_PROTOCOL_VERSION_4 0x40000 211 #define NVSP_PROTOCOL_VERSION_5 0x50000 212 213 enum { 214 NVSP_MSG_TYPE_NONE = 0, 215 216 /* Init Messages */ 217 NVSP_MSG_TYPE_INIT = 1, 218 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 219 220 NVSP_VERSION_MSG_START = 100, 221 222 /* Version 1 Messages */ 223 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 224 225 NVSP_MSG1_TYPE_SEND_RECV_BUF, 226 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 227 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 228 229 NVSP_MSG1_TYPE_SEND_SEND_BUF, 230 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 231 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 232 233 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 234 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 235 236 /* Version 2 messages */ 237 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 238 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 239 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 240 241 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 242 243 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 244 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 245 246 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 247 248 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 249 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 250 251 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 252 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 253 254 NVSP_MSG2_TYPE_ALLOC_RXBUF, 255 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 256 257 NVSP_MSG2_TYPE_FREE_RXBUF, 258 259 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 260 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 261 262 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 263 264 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 265 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 266 267 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 268 269 /* Version 4 messages */ 270 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 271 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 272 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 273 274 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 275 276 /* Version 5 messages */ 277 NVSP_MSG5_TYPE_OID_QUERY_EX, 278 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 279 NVSP_MSG5_TYPE_SUBCHANNEL, 280 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 281 282 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 283 }; 284 285 enum { 286 NVSP_STAT_NONE = 0, 287 NVSP_STAT_SUCCESS, 288 NVSP_STAT_FAIL, 289 NVSP_STAT_PROTOCOL_TOO_NEW, 290 NVSP_STAT_PROTOCOL_TOO_OLD, 291 NVSP_STAT_INVALID_RNDIS_PKT, 292 NVSP_STAT_BUSY, 293 NVSP_STAT_PROTOCOL_UNSUPPORTED, 294 NVSP_STAT_MAX, 295 }; 296 297 struct nvsp_message_header { 298 u32 msg_type; 299 }; 300 301 /* Init Messages */ 302 303 /* 304 * This message is used by the VSC to initialize the channel after the channels 305 * has been opened. This message should never include anything other then 306 * versioning (i.e. this message will be the same for ever). 307 */ 308 struct nvsp_message_init { 309 u32 min_protocol_ver; 310 u32 max_protocol_ver; 311 } __packed; 312 313 /* 314 * This message is used by the VSP to complete the initialization of the 315 * channel. This message should never include anything other then versioning 316 * (i.e. this message will be the same for ever). 317 */ 318 struct nvsp_message_init_complete { 319 u32 negotiated_protocol_ver; 320 u32 max_mdl_chain_len; 321 u32 status; 322 } __packed; 323 324 union nvsp_message_init_uber { 325 struct nvsp_message_init init; 326 struct nvsp_message_init_complete init_complete; 327 } __packed; 328 329 /* Version 1 Messages */ 330 331 /* 332 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 333 * can use this information when handling OIDs sent by the VSC. 334 */ 335 struct nvsp_1_message_send_ndis_version { 336 u32 ndis_major_ver; 337 u32 ndis_minor_ver; 338 } __packed; 339 340 /* 341 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 342 * can then use the receive buffer to send data to the VSC. 343 */ 344 struct nvsp_1_message_send_receive_buffer { 345 u32 gpadl_handle; 346 u16 id; 347 } __packed; 348 349 struct nvsp_1_receive_buffer_section { 350 u32 offset; 351 u32 sub_alloc_size; 352 u32 num_sub_allocs; 353 u32 end_offset; 354 } __packed; 355 356 /* 357 * This message is used by the VSP to acknowledge a receive buffer send by the 358 * VSC. This message must be sent by the VSP before the VSP uses the receive 359 * buffer. 360 */ 361 struct nvsp_1_message_send_receive_buffer_complete { 362 u32 status; 363 u32 num_sections; 364 365 /* 366 * The receive buffer is split into two parts, a large suballocation 367 * section and a small suballocation section. These sections are then 368 * suballocated by a certain size. 369 */ 370 371 /* 372 * For example, the following break up of the receive buffer has 6 373 * large suballocations and 10 small suballocations. 374 */ 375 376 /* 377 * | Large Section | | Small Section | 378 * ------------------------------------------------------------ 379 * | | | | | | | | | | | | | | | | | | 380 * | | 381 * LargeOffset SmallOffset 382 */ 383 384 struct nvsp_1_receive_buffer_section sections[1]; 385 } __packed; 386 387 /* 388 * This message is sent by the VSC to revoke the receive buffer. After the VSP 389 * completes this transaction, the vsp should never use the receive buffer 390 * again. 391 */ 392 struct nvsp_1_message_revoke_receive_buffer { 393 u16 id; 394 }; 395 396 /* 397 * This message is used by the VSC to send a send buffer to the VSP. The VSC 398 * can then use the send buffer to send data to the VSP. 399 */ 400 struct nvsp_1_message_send_send_buffer { 401 u32 gpadl_handle; 402 u16 id; 403 } __packed; 404 405 /* 406 * This message is used by the VSP to acknowledge a send buffer sent by the 407 * VSC. This message must be sent by the VSP before the VSP uses the sent 408 * buffer. 409 */ 410 struct nvsp_1_message_send_send_buffer_complete { 411 u32 status; 412 413 /* 414 * The VSC gets to choose the size of the send buffer and the VSP gets 415 * to choose the sections size of the buffer. This was done to enable 416 * dynamic reconfigurations when the cost of GPA-direct buffers 417 * decreases. 418 */ 419 u32 section_size; 420 } __packed; 421 422 /* 423 * This message is sent by the VSC to revoke the send buffer. After the VSP 424 * completes this transaction, the vsp should never use the send buffer again. 425 */ 426 struct nvsp_1_message_revoke_send_buffer { 427 u16 id; 428 }; 429 430 /* 431 * This message is used by both the VSP and the VSC to send a RNDIS message to 432 * the opposite channel endpoint. 433 */ 434 struct nvsp_1_message_send_rndis_packet { 435 /* 436 * This field is specified by RNDIS. They assume there's two different 437 * channels of communication. However, the Network VSP only has one. 438 * Therefore, the channel travels with the RNDIS packet. 439 */ 440 u32 channel_type; 441 442 /* 443 * This field is used to send part or all of the data through a send 444 * buffer. This values specifies an index into the send buffer. If the 445 * index is 0xFFFFFFFF, then the send buffer is not being used and all 446 * of the data was sent through other VMBus mechanisms. 447 */ 448 u32 send_buf_section_index; 449 u32 send_buf_section_size; 450 } __packed; 451 452 /* 453 * This message is used by both the VSP and the VSC to complete a RNDIS message 454 * to the opposite channel endpoint. At this point, the initiator of this 455 * message cannot use any resources associated with the original RNDIS packet. 456 */ 457 struct nvsp_1_message_send_rndis_packet_complete { 458 u32 status; 459 }; 460 461 union nvsp_1_message_uber { 462 struct nvsp_1_message_send_ndis_version send_ndis_ver; 463 464 struct nvsp_1_message_send_receive_buffer send_recv_buf; 465 struct nvsp_1_message_send_receive_buffer_complete 466 send_recv_buf_complete; 467 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 468 469 struct nvsp_1_message_send_send_buffer send_send_buf; 470 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 471 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 472 473 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 474 struct nvsp_1_message_send_rndis_packet_complete 475 send_rndis_pkt_complete; 476 } __packed; 477 478 479 /* 480 * Network VSP protocol version 2 messages: 481 */ 482 struct nvsp_2_vsc_capability { 483 union { 484 u64 data; 485 struct { 486 u64 vmq:1; 487 u64 chimney:1; 488 u64 sriov:1; 489 u64 ieee8021q:1; 490 u64 correlation_id:1; 491 u64 teaming:1; 492 }; 493 }; 494 } __packed; 495 496 struct nvsp_2_send_ndis_config { 497 u32 mtu; 498 u32 reserved; 499 struct nvsp_2_vsc_capability capability; 500 } __packed; 501 502 /* Allocate receive buffer */ 503 struct nvsp_2_alloc_rxbuf { 504 /* Allocation ID to match the allocation request and response */ 505 u32 alloc_id; 506 507 /* Length of the VM shared memory receive buffer that needs to 508 * be allocated 509 */ 510 u32 len; 511 } __packed; 512 513 /* Allocate receive buffer complete */ 514 struct nvsp_2_alloc_rxbuf_comp { 515 /* The NDIS_STATUS code for buffer allocation */ 516 u32 status; 517 518 u32 alloc_id; 519 520 /* GPADL handle for the allocated receive buffer */ 521 u32 gpadl_handle; 522 523 /* Receive buffer ID */ 524 u64 recv_buf_id; 525 } __packed; 526 527 struct nvsp_2_free_rxbuf { 528 u64 recv_buf_id; 529 } __packed; 530 531 union nvsp_2_message_uber { 532 struct nvsp_2_send_ndis_config send_ndis_config; 533 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 534 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 535 struct nvsp_2_free_rxbuf free_rxbuf; 536 } __packed; 537 538 struct nvsp_4_send_vf_association { 539 /* 1: allocated, serial number is valid. 0: not allocated */ 540 u32 allocated; 541 542 /* Serial number of the VF to team with */ 543 u32 serial; 544 } __packed; 545 546 enum nvsp_vm_datapath { 547 NVSP_DATAPATH_SYNTHETIC = 0, 548 NVSP_DATAPATH_VF, 549 NVSP_DATAPATH_MAX 550 }; 551 552 struct nvsp_4_sw_datapath { 553 u32 active_datapath; /* active data path in VM */ 554 } __packed; 555 556 union nvsp_4_message_uber { 557 struct nvsp_4_send_vf_association vf_assoc; 558 struct nvsp_4_sw_datapath active_dp; 559 } __packed; 560 561 enum nvsp_subchannel_operation { 562 NVSP_SUBCHANNEL_NONE = 0, 563 NVSP_SUBCHANNEL_ALLOCATE, 564 NVSP_SUBCHANNEL_MAX 565 }; 566 567 struct nvsp_5_subchannel_request { 568 u32 op; 569 u32 num_subchannels; 570 } __packed; 571 572 struct nvsp_5_subchannel_complete { 573 u32 status; 574 u32 num_subchannels; /* Actual number of subchannels allocated */ 575 } __packed; 576 577 struct nvsp_5_send_indirect_table { 578 /* The number of entries in the send indirection table */ 579 u32 count; 580 581 /* The offset of the send indirection table from top of this struct. 582 * The send indirection table tells which channel to put the send 583 * traffic on. Each entry is a channel number. 584 */ 585 u32 offset; 586 } __packed; 587 588 union nvsp_5_message_uber { 589 struct nvsp_5_subchannel_request subchn_req; 590 struct nvsp_5_subchannel_complete subchn_comp; 591 struct nvsp_5_send_indirect_table send_table; 592 } __packed; 593 594 union nvsp_all_messages { 595 union nvsp_message_init_uber init_msg; 596 union nvsp_1_message_uber v1_msg; 597 union nvsp_2_message_uber v2_msg; 598 union nvsp_4_message_uber v4_msg; 599 union nvsp_5_message_uber v5_msg; 600 } __packed; 601 602 /* ALL Messages */ 603 struct nvsp_message { 604 struct nvsp_message_header hdr; 605 union nvsp_all_messages msg; 606 } __packed; 607 608 609 #define NETVSC_MTU 65536 610 #define NETVSC_MTU_MIN 68 611 612 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ 613 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ 614 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 615 #define NETVSC_INVALID_INDEX -1 616 617 618 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 619 #define NETVSC_SEND_BUFFER_ID 0 620 621 #define NETVSC_PACKET_SIZE 4096 622 623 #define VRSS_SEND_TAB_SIZE 16 624 #define VRSS_CHANNEL_MAX 64 625 626 #define RNDIS_MAX_PKT_DEFAULT 8 627 #define RNDIS_PKT_ALIGN_DEFAULT 8 628 629 struct multi_send_data { 630 struct sk_buff *skb; /* skb containing the pkt */ 631 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 632 u32 count; /* counter of batched packets */ 633 }; 634 635 struct recv_comp_data { 636 u64 tid; /* transaction id */ 637 u32 status; 638 }; 639 640 /* Netvsc Receive Slots Max */ 641 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1) 642 643 struct multi_recv_comp { 644 void *buf; /* queued receive completions */ 645 u32 first; /* first data entry */ 646 u32 next; /* next entry for writing */ 647 }; 648 649 struct netvsc_stats { 650 u64 packets; 651 u64 bytes; 652 u64 broadcast; 653 u64 multicast; 654 struct u64_stats_sync syncp; 655 }; 656 657 struct netvsc_ethtool_stats { 658 unsigned long tx_scattered; 659 unsigned long tx_no_memory; 660 unsigned long tx_no_space; 661 unsigned long tx_too_big; 662 unsigned long tx_busy; 663 }; 664 665 struct netvsc_reconfig { 666 struct list_head list; 667 u32 event; 668 }; 669 670 /* The context of the netvsc device */ 671 struct net_device_context { 672 /* point back to our device context */ 673 struct hv_device *device_ctx; 674 /* netvsc_device */ 675 struct netvsc_device *nvdev; 676 /* reconfigure work */ 677 struct delayed_work dwork; 678 /* last reconfig time */ 679 unsigned long last_reconfig; 680 /* reconfig events */ 681 struct list_head reconfig_events; 682 /* list protection */ 683 spinlock_t lock; 684 685 struct work_struct work; 686 u32 msg_enable; /* debug level */ 687 688 struct netvsc_stats __percpu *tx_stats; 689 struct netvsc_stats __percpu *rx_stats; 690 691 /* Ethtool settings */ 692 u8 duplex; 693 u32 speed; 694 struct netvsc_ethtool_stats eth_stats; 695 696 /* the device is going away */ 697 bool start_remove; 698 699 /* State to manage the associated VF interface. */ 700 struct net_device __rcu *vf_netdev; 701 702 /* 1: allocated, serial number is valid. 0: not allocated */ 703 u32 vf_alloc; 704 /* Serial number of the VF to team with */ 705 u32 vf_serial; 706 }; 707 708 /* Per netvsc device */ 709 struct netvsc_device { 710 u32 nvsp_version; 711 712 atomic_t num_outstanding_sends; 713 wait_queue_head_t wait_drain; 714 bool destroy; 715 716 /* Receive buffer allocated by us but manages by NetVSP */ 717 void *recv_buf; 718 u32 recv_buf_size; 719 u32 recv_buf_gpadl_handle; 720 u32 recv_section_cnt; 721 struct nvsp_1_receive_buffer_section *recv_section; 722 723 /* Send buffer allocated by us */ 724 void *send_buf; 725 u32 send_buf_size; 726 u32 send_buf_gpadl_handle; 727 u32 send_section_cnt; 728 u32 send_section_size; 729 unsigned long *send_section_map; 730 int map_words; 731 732 /* Used for NetVSP initialization protocol */ 733 struct completion channel_init_wait; 734 struct nvsp_message channel_init_pkt; 735 736 struct nvsp_message revoke_packet; 737 738 struct vmbus_channel *chn_table[VRSS_CHANNEL_MAX]; 739 u32 send_table[VRSS_SEND_TAB_SIZE]; 740 u32 max_chn; 741 u32 num_chn; 742 spinlock_t sc_lock; /* Protects num_sc_offered variable */ 743 u32 num_sc_offered; 744 atomic_t queue_sends[VRSS_CHANNEL_MAX]; 745 746 /* Holds rndis device info */ 747 void *extension; 748 749 int ring_size; 750 751 /* The primary channel callback buffer */ 752 unsigned char *cb_buffer; 753 /* The sub channel callback buffer */ 754 unsigned char *sub_cb_buf; 755 756 struct multi_send_data msd[VRSS_CHANNEL_MAX]; 757 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 758 u32 pkt_align; /* alignment bytes, e.g. 8 */ 759 760 struct multi_recv_comp mrc[VRSS_CHANNEL_MAX]; 761 atomic_t num_outstanding_recvs; 762 763 atomic_t open_cnt; 764 }; 765 766 static inline struct netvsc_device * 767 net_device_to_netvsc_device(struct net_device *ndev) 768 { 769 return ((struct net_device_context *)netdev_priv(ndev))->nvdev; 770 } 771 772 static inline struct netvsc_device * 773 hv_device_to_netvsc_device(struct hv_device *device) 774 { 775 return net_device_to_netvsc_device(hv_get_drvdata(device)); 776 } 777 778 /* NdisInitialize message */ 779 struct rndis_initialize_request { 780 u32 req_id; 781 u32 major_ver; 782 u32 minor_ver; 783 u32 max_xfer_size; 784 }; 785 786 /* Response to NdisInitialize */ 787 struct rndis_initialize_complete { 788 u32 req_id; 789 u32 status; 790 u32 major_ver; 791 u32 minor_ver; 792 u32 dev_flags; 793 u32 medium; 794 u32 max_pkt_per_msg; 795 u32 max_xfer_size; 796 u32 pkt_alignment_factor; 797 u32 af_list_offset; 798 u32 af_list_size; 799 }; 800 801 /* Call manager devices only: Information about an address family */ 802 /* supported by the device is appended to the response to NdisInitialize. */ 803 struct rndis_co_address_family { 804 u32 address_family; 805 u32 major_ver; 806 u32 minor_ver; 807 }; 808 809 /* NdisHalt message */ 810 struct rndis_halt_request { 811 u32 req_id; 812 }; 813 814 /* NdisQueryRequest message */ 815 struct rndis_query_request { 816 u32 req_id; 817 u32 oid; 818 u32 info_buflen; 819 u32 info_buf_offset; 820 u32 dev_vc_handle; 821 }; 822 823 /* Response to NdisQueryRequest */ 824 struct rndis_query_complete { 825 u32 req_id; 826 u32 status; 827 u32 info_buflen; 828 u32 info_buf_offset; 829 }; 830 831 /* NdisSetRequest message */ 832 struct rndis_set_request { 833 u32 req_id; 834 u32 oid; 835 u32 info_buflen; 836 u32 info_buf_offset; 837 u32 dev_vc_handle; 838 }; 839 840 /* Response to NdisSetRequest */ 841 struct rndis_set_complete { 842 u32 req_id; 843 u32 status; 844 }; 845 846 /* NdisReset message */ 847 struct rndis_reset_request { 848 u32 reserved; 849 }; 850 851 /* Response to NdisReset */ 852 struct rndis_reset_complete { 853 u32 status; 854 u32 addressing_reset; 855 }; 856 857 /* NdisMIndicateStatus message */ 858 struct rndis_indicate_status { 859 u32 status; 860 u32 status_buflen; 861 u32 status_buf_offset; 862 }; 863 864 /* Diagnostic information passed as the status buffer in */ 865 /* struct rndis_indicate_status messages signifying error conditions. */ 866 struct rndis_diagnostic_info { 867 u32 diag_status; 868 u32 error_offset; 869 }; 870 871 /* NdisKeepAlive message */ 872 struct rndis_keepalive_request { 873 u32 req_id; 874 }; 875 876 /* Response to NdisKeepAlive */ 877 struct rndis_keepalive_complete { 878 u32 req_id; 879 u32 status; 880 }; 881 882 /* 883 * Data message. All Offset fields contain byte offsets from the beginning of 884 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 885 * to 0 for connectionless data, otherwise it contains the VC handle. 886 */ 887 struct rndis_packet { 888 u32 data_offset; 889 u32 data_len; 890 u32 oob_data_offset; 891 u32 oob_data_len; 892 u32 num_oob_data_elements; 893 u32 per_pkt_info_offset; 894 u32 per_pkt_info_len; 895 u32 vc_handle; 896 u32 reserved; 897 }; 898 899 /* Optional Out of Band data associated with a Data message. */ 900 struct rndis_oobd { 901 u32 size; 902 u32 type; 903 u32 class_info_offset; 904 }; 905 906 /* Packet extension field contents associated with a Data message. */ 907 struct rndis_per_packet_info { 908 u32 size; 909 u32 type; 910 u32 ppi_offset; 911 }; 912 913 enum ndis_per_pkt_info_type { 914 TCPIP_CHKSUM_PKTINFO, 915 IPSEC_PKTINFO, 916 TCP_LARGESEND_PKTINFO, 917 CLASSIFICATION_HANDLE_PKTINFO, 918 NDIS_RESERVED, 919 SG_LIST_PKTINFO, 920 IEEE_8021Q_INFO, 921 ORIGINAL_PKTINFO, 922 PACKET_CANCEL_ID, 923 NBL_HASH_VALUE = PACKET_CANCEL_ID, 924 ORIGINAL_NET_BUFLIST, 925 CACHED_NET_BUFLIST, 926 SHORT_PKT_PADINFO, 927 MAX_PER_PKT_INFO 928 }; 929 930 struct ndis_pkt_8021q_info { 931 union { 932 struct { 933 u32 pri:3; /* User Priority */ 934 u32 cfi:1; /* Canonical Format ID */ 935 u32 vlanid:12; /* VLAN ID */ 936 u32 reserved:16; 937 }; 938 u32 value; 939 }; 940 }; 941 942 struct ndis_oject_header { 943 u8 type; 944 u8 revision; 945 u16 size; 946 }; 947 948 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 949 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 950 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 951 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 952 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 953 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 954 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 955 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 956 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 957 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 958 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 959 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 960 961 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 962 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 963 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 964 965 #define VERSION_4_OFFLOAD_SIZE 22 966 /* 967 * New offload OIDs for NDIS 6 968 */ 969 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 970 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 971 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 972 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 973 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 974 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 975 976 struct ndis_offload_params { 977 struct ndis_oject_header header; 978 u8 ip_v4_csum; 979 u8 tcp_ip_v4_csum; 980 u8 udp_ip_v4_csum; 981 u8 tcp_ip_v6_csum; 982 u8 udp_ip_v6_csum; 983 u8 lso_v1; 984 u8 ip_sec_v1; 985 u8 lso_v2_ipv4; 986 u8 lso_v2_ipv6; 987 u8 tcp_connection_ip_v4; 988 u8 tcp_connection_ip_v6; 989 u32 flags; 990 u8 ip_sec_v2; 991 u8 ip_sec_v2_ip_v4; 992 struct { 993 u8 rsc_ip_v4; 994 u8 rsc_ip_v6; 995 }; 996 struct { 997 u8 encapsulated_packet_task_offload; 998 u8 encapsulation_types; 999 }; 1000 }; 1001 1002 struct ndis_tcp_ip_checksum_info { 1003 union { 1004 struct { 1005 u32 is_ipv4:1; 1006 u32 is_ipv6:1; 1007 u32 tcp_checksum:1; 1008 u32 udp_checksum:1; 1009 u32 ip_header_checksum:1; 1010 u32 reserved:11; 1011 u32 tcp_header_offset:10; 1012 } transmit; 1013 struct { 1014 u32 tcp_checksum_failed:1; 1015 u32 udp_checksum_failed:1; 1016 u32 ip_checksum_failed:1; 1017 u32 tcp_checksum_succeeded:1; 1018 u32 udp_checksum_succeeded:1; 1019 u32 ip_checksum_succeeded:1; 1020 u32 loopback:1; 1021 u32 tcp_checksum_value_invalid:1; 1022 u32 ip_checksum_value_invalid:1; 1023 } receive; 1024 u32 value; 1025 }; 1026 }; 1027 1028 struct ndis_tcp_lso_info { 1029 union { 1030 struct { 1031 u32 unused:30; 1032 u32 type:1; 1033 u32 reserved2:1; 1034 } transmit; 1035 struct { 1036 u32 mss:20; 1037 u32 tcp_header_offset:10; 1038 u32 type:1; 1039 u32 reserved2:1; 1040 } lso_v1_transmit; 1041 struct { 1042 u32 tcp_payload:30; 1043 u32 type:1; 1044 u32 reserved2:1; 1045 } lso_v1_transmit_complete; 1046 struct { 1047 u32 mss:20; 1048 u32 tcp_header_offset:10; 1049 u32 type:1; 1050 u32 ip_version:1; 1051 } lso_v2_transmit; 1052 struct { 1053 u32 reserved:30; 1054 u32 type:1; 1055 u32 reserved2:1; 1056 } lso_v2_transmit_complete; 1057 u32 value; 1058 }; 1059 }; 1060 1061 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1062 sizeof(struct ndis_pkt_8021q_info)) 1063 1064 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1065 sizeof(struct ndis_tcp_ip_checksum_info)) 1066 1067 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1068 sizeof(struct ndis_tcp_lso_info)) 1069 1070 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1071 sizeof(u32)) 1072 1073 /* Total size of all PPI data */ 1074 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1075 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1076 1077 /* Format of Information buffer passed in a SetRequest for the OID */ 1078 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1079 struct rndis_config_parameter_info { 1080 u32 parameter_name_offset; 1081 u32 parameter_name_length; 1082 u32 parameter_type; 1083 u32 parameter_value_offset; 1084 u32 parameter_value_length; 1085 }; 1086 1087 /* Values for ParameterType in struct rndis_config_parameter_info */ 1088 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1089 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1090 1091 /* CONDIS Miniport messages for connection oriented devices */ 1092 /* that do not implement a call manager. */ 1093 1094 /* CoNdisMiniportCreateVc message */ 1095 struct rcondis_mp_create_vc { 1096 u32 req_id; 1097 u32 ndis_vc_handle; 1098 }; 1099 1100 /* Response to CoNdisMiniportCreateVc */ 1101 struct rcondis_mp_create_vc_complete { 1102 u32 req_id; 1103 u32 dev_vc_handle; 1104 u32 status; 1105 }; 1106 1107 /* CoNdisMiniportDeleteVc message */ 1108 struct rcondis_mp_delete_vc { 1109 u32 req_id; 1110 u32 dev_vc_handle; 1111 }; 1112 1113 /* Response to CoNdisMiniportDeleteVc */ 1114 struct rcondis_mp_delete_vc_complete { 1115 u32 req_id; 1116 u32 status; 1117 }; 1118 1119 /* CoNdisMiniportQueryRequest message */ 1120 struct rcondis_mp_query_request { 1121 u32 req_id; 1122 u32 request_type; 1123 u32 oid; 1124 u32 dev_vc_handle; 1125 u32 info_buflen; 1126 u32 info_buf_offset; 1127 }; 1128 1129 /* CoNdisMiniportSetRequest message */ 1130 struct rcondis_mp_set_request { 1131 u32 req_id; 1132 u32 request_type; 1133 u32 oid; 1134 u32 dev_vc_handle; 1135 u32 info_buflen; 1136 u32 info_buf_offset; 1137 }; 1138 1139 /* CoNdisIndicateStatus message */ 1140 struct rcondis_indicate_status { 1141 u32 ndis_vc_handle; 1142 u32 status; 1143 u32 status_buflen; 1144 u32 status_buf_offset; 1145 }; 1146 1147 /* CONDIS Call/VC parameters */ 1148 struct rcondis_specific_parameters { 1149 u32 parameter_type; 1150 u32 parameter_length; 1151 u32 parameter_lffset; 1152 }; 1153 1154 struct rcondis_media_parameters { 1155 u32 flags; 1156 u32 reserved1; 1157 u32 reserved2; 1158 struct rcondis_specific_parameters media_specific; 1159 }; 1160 1161 struct rndis_flowspec { 1162 u32 token_rate; 1163 u32 token_bucket_size; 1164 u32 peak_bandwidth; 1165 u32 latency; 1166 u32 delay_variation; 1167 u32 service_type; 1168 u32 max_sdu_size; 1169 u32 minimum_policed_size; 1170 }; 1171 1172 struct rcondis_call_manager_parameters { 1173 struct rndis_flowspec transmit; 1174 struct rndis_flowspec receive; 1175 struct rcondis_specific_parameters call_mgr_specific; 1176 }; 1177 1178 /* CoNdisMiniportActivateVc message */ 1179 struct rcondis_mp_activate_vc_request { 1180 u32 req_id; 1181 u32 flags; 1182 u32 dev_vc_handle; 1183 u32 media_params_offset; 1184 u32 media_params_length; 1185 u32 call_mgr_params_offset; 1186 u32 call_mgr_params_length; 1187 }; 1188 1189 /* Response to CoNdisMiniportActivateVc */ 1190 struct rcondis_mp_activate_vc_complete { 1191 u32 req_id; 1192 u32 status; 1193 }; 1194 1195 /* CoNdisMiniportDeactivateVc message */ 1196 struct rcondis_mp_deactivate_vc_request { 1197 u32 req_id; 1198 u32 flags; 1199 u32 dev_vc_handle; 1200 }; 1201 1202 /* Response to CoNdisMiniportDeactivateVc */ 1203 struct rcondis_mp_deactivate_vc_complete { 1204 u32 req_id; 1205 u32 status; 1206 }; 1207 1208 1209 /* union with all of the RNDIS messages */ 1210 union rndis_message_container { 1211 struct rndis_packet pkt; 1212 struct rndis_initialize_request init_req; 1213 struct rndis_halt_request halt_req; 1214 struct rndis_query_request query_req; 1215 struct rndis_set_request set_req; 1216 struct rndis_reset_request reset_req; 1217 struct rndis_keepalive_request keep_alive_req; 1218 struct rndis_indicate_status indicate_status; 1219 struct rndis_initialize_complete init_complete; 1220 struct rndis_query_complete query_complete; 1221 struct rndis_set_complete set_complete; 1222 struct rndis_reset_complete reset_complete; 1223 struct rndis_keepalive_complete keep_alive_complete; 1224 struct rcondis_mp_create_vc co_miniport_create_vc; 1225 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1226 struct rcondis_indicate_status co_indicate_status; 1227 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1228 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1229 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1230 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1231 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1232 struct rcondis_mp_deactivate_vc_complete 1233 co_miniport_deactivate_vc_complete; 1234 }; 1235 1236 /* Remote NDIS message format */ 1237 struct rndis_message { 1238 u32 ndis_msg_type; 1239 1240 /* Total length of this message, from the beginning */ 1241 /* of the struct rndis_message, in bytes. */ 1242 u32 msg_len; 1243 1244 /* Actual message */ 1245 union rndis_message_container msg; 1246 }; 1247 1248 1249 /* Handy macros */ 1250 1251 /* get the size of an RNDIS message. Pass in the message type, */ 1252 /* struct rndis_set_request, struct rndis_packet for example */ 1253 #define RNDIS_MESSAGE_SIZE(msg) \ 1254 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1255 sizeof(union rndis_message_container))) 1256 1257 /* get pointer to info buffer with message pointer */ 1258 #define MESSAGE_TO_INFO_BUFFER(msg) \ 1259 (((unsigned char *)(msg)) + msg->info_buf_offset) 1260 1261 /* get pointer to status buffer with message pointer */ 1262 #define MESSAGE_TO_STATUS_BUFFER(msg) \ 1263 (((unsigned char *)(msg)) + msg->status_buf_offset) 1264 1265 /* get pointer to OOBD buffer with message pointer */ 1266 #define MESSAGE_TO_OOBD_BUFFER(msg) \ 1267 (((unsigned char *)(msg)) + msg->oob_data_offset) 1268 1269 /* get pointer to data buffer with message pointer */ 1270 #define MESSAGE_TO_DATA_BUFFER(msg) \ 1271 (((unsigned char *)(msg)) + msg->per_pkt_info_offset) 1272 1273 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1274 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1275 ((void *) &rndis_msg->msg) 1276 1277 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1278 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1279 ((void *) rndis_msg) 1280 1281 1282 #define __struct_bcount(x) 1283 1284 1285 1286 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1287 sizeof(union rndis_message_container)) 1288 1289 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1290 1291 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1292 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1293 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1294 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1295 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1296 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1297 #define NDIS_PACKET_TYPE_SMT 0x00000040 1298 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1299 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1300 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1301 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1302 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1303 1304 #define INFO_IPV4 2 1305 #define INFO_IPV6 4 1306 #define INFO_TCP 2 1307 #define INFO_UDP 4 1308 1309 #define TRANSPORT_INFO_NOT_IP 0 1310 #define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP) 1311 #define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP) 1312 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP) 1313 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP) 1314 1315 #endif /* _HYPERV_NET_H */ 1316