1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright (c) 2011, Microsoft Corporation. 5 * 6 * Authors: 7 * Haiyang Zhang <haiyangz@microsoft.com> 8 * Hank Janssen <hjanssen@microsoft.com> 9 * K. Y. Srinivasan <kys@microsoft.com> 10 */ 11 12 #ifndef _HYPERV_NET_H 13 #define _HYPERV_NET_H 14 15 #include <linux/list.h> 16 #include <linux/hyperv.h> 17 #include <linux/rndis.h> 18 19 /* RSS related */ 20 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ 21 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ 22 23 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88 24 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89 25 #define NDIS_OBJECT_TYPE_OFFLOAD 0xa7 26 27 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 28 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 29 30 struct ndis_obj_header { 31 u8 type; 32 u8 rev; 33 u16 size; 34 } __packed; 35 36 /* ndis_recv_scale_cap/cap_flag */ 37 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000 38 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000 39 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000 40 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000 41 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000 42 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000 43 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100 44 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200 45 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400 46 47 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ 48 struct ndis_obj_header hdr; 49 u32 cap_flag; 50 u32 num_int_msg; 51 u32 num_recv_que; 52 u16 num_indirect_tabent; 53 } __packed; 54 55 56 /* ndis_recv_scale_param flags */ 57 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001 58 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002 59 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004 60 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008 61 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010 62 63 /* Hash info bits */ 64 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 65 #define NDIS_HASH_IPV4 0x00000100 66 #define NDIS_HASH_TCP_IPV4 0x00000200 67 #define NDIS_HASH_IPV6 0x00000400 68 #define NDIS_HASH_IPV6_EX 0x00000800 69 #define NDIS_HASH_TCP_IPV6 0x00001000 70 #define NDIS_HASH_TCP_IPV6_EX 0x00002000 71 72 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4) 73 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 74 75 #define ITAB_NUM 128 76 77 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ 78 struct ndis_obj_header hdr; 79 80 /* Qualifies the rest of the information */ 81 u16 flag; 82 83 /* The base CPU number to do receive processing. not used */ 84 u16 base_cpu_number; 85 86 /* This describes the hash function and type being enabled */ 87 u32 hashinfo; 88 89 /* The size of indirection table array */ 90 u16 indirect_tabsize; 91 92 /* The offset of the indirection table from the beginning of this 93 * structure 94 */ 95 u32 indirect_taboffset; 96 97 /* The size of the hash secret key */ 98 u16 hashkey_size; 99 100 /* The offset of the secret key from the beginning of this structure */ 101 u32 hashkey_offset; 102 103 u32 processor_masks_offset; 104 u32 num_processor_masks; 105 u32 processor_masks_entry_size; 106 }; 107 108 /* Fwd declaration */ 109 struct ndis_tcp_ip_checksum_info; 110 struct ndis_pkt_8021q_info; 111 112 /* 113 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame 114 * within the RNDIS 115 * 116 * The size of this structure is less than 48 bytes and we can now 117 * place this structure in the skb->cb field. 118 */ 119 struct hv_netvsc_packet { 120 /* Bookkeeping stuff */ 121 u8 cp_partial; /* partial copy into send buffer */ 122 123 u8 rmsg_size; /* RNDIS header and PPI size */ 124 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ 125 u8 page_buf_cnt; 126 127 u16 q_idx; 128 u16 total_packets; 129 130 u32 total_bytes; 131 u32 send_buf_index; 132 u32 total_data_buflen; 133 }; 134 135 #define NETVSC_HASH_KEYLEN 40 136 137 struct netvsc_device_info { 138 unsigned char mac_adr[ETH_ALEN]; 139 u32 num_chn; 140 u32 send_sections; 141 u32 recv_sections; 142 u32 send_section_size; 143 u32 recv_section_size; 144 145 u8 rss_key[NETVSC_HASH_KEYLEN]; 146 }; 147 148 enum rndis_device_state { 149 RNDIS_DEV_UNINITIALIZED = 0, 150 RNDIS_DEV_INITIALIZING, 151 RNDIS_DEV_INITIALIZED, 152 RNDIS_DEV_DATAINITIALIZED, 153 }; 154 155 struct rndis_device { 156 struct net_device *ndev; 157 158 enum rndis_device_state state; 159 160 atomic_t new_req_id; 161 162 spinlock_t request_lock; 163 struct list_head req_list; 164 165 struct work_struct mcast_work; 166 u32 filter; 167 168 bool link_state; /* 0 - link up, 1 - link down */ 169 170 u8 hw_mac_adr[ETH_ALEN]; 171 u8 rss_key[NETVSC_HASH_KEYLEN]; 172 }; 173 174 175 /* Interface */ 176 struct rndis_message; 177 struct ndis_offload_params; 178 struct netvsc_device; 179 struct netvsc_channel; 180 struct net_device_context; 181 182 extern u32 netvsc_ring_bytes; 183 184 struct netvsc_device *netvsc_device_add(struct hv_device *device, 185 const struct netvsc_device_info *info); 186 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 187 void netvsc_device_remove(struct hv_device *device); 188 int netvsc_send(struct net_device *net, 189 struct hv_netvsc_packet *packet, 190 struct rndis_message *rndis_msg, 191 struct hv_page_buffer *page_buffer, 192 struct sk_buff *skb); 193 void netvsc_linkstatus_callback(struct net_device *net, 194 struct rndis_message *resp); 195 int netvsc_recv_callback(struct net_device *net, 196 struct netvsc_device *nvdev, 197 struct netvsc_channel *nvchan); 198 void netvsc_channel_cb(void *context); 199 int netvsc_poll(struct napi_struct *napi, int budget); 200 201 int rndis_set_subchannel(struct net_device *ndev, 202 struct netvsc_device *nvdev, 203 struct netvsc_device_info *dev_info); 204 int rndis_filter_open(struct netvsc_device *nvdev); 205 int rndis_filter_close(struct netvsc_device *nvdev); 206 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 207 struct netvsc_device_info *info); 208 void rndis_filter_update(struct netvsc_device *nvdev); 209 void rndis_filter_device_remove(struct hv_device *dev, 210 struct netvsc_device *nvdev); 211 int rndis_filter_set_rss_param(struct rndis_device *rdev, 212 const u8 *key); 213 int rndis_filter_set_offload_params(struct net_device *ndev, 214 struct netvsc_device *nvdev, 215 struct ndis_offload_params *req_offloads); 216 int rndis_filter_receive(struct net_device *ndev, 217 struct netvsc_device *net_dev, 218 struct netvsc_channel *nvchan, 219 void *data, u32 buflen); 220 221 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 222 const char *mac); 223 224 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 225 226 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 227 228 #define NVSP_PROTOCOL_VERSION_1 2 229 #define NVSP_PROTOCOL_VERSION_2 0x30002 230 #define NVSP_PROTOCOL_VERSION_4 0x40000 231 #define NVSP_PROTOCOL_VERSION_5 0x50000 232 #define NVSP_PROTOCOL_VERSION_6 0x60000 233 #define NVSP_PROTOCOL_VERSION_61 0x60001 234 235 enum { 236 NVSP_MSG_TYPE_NONE = 0, 237 238 /* Init Messages */ 239 NVSP_MSG_TYPE_INIT = 1, 240 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 241 242 NVSP_VERSION_MSG_START = 100, 243 244 /* Version 1 Messages */ 245 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 246 247 NVSP_MSG1_TYPE_SEND_RECV_BUF, 248 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 249 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 250 251 NVSP_MSG1_TYPE_SEND_SEND_BUF, 252 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 253 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 254 255 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 256 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 257 258 /* Version 2 messages */ 259 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 260 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 261 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 262 263 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 264 265 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 266 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 267 268 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 269 270 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 271 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 272 273 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 274 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 275 276 NVSP_MSG2_TYPE_ALLOC_RXBUF, 277 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 278 279 NVSP_MSG2_TYPE_FREE_RXBUF, 280 281 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 282 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 283 284 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 285 286 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 287 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 288 289 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 290 291 /* Version 4 messages */ 292 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 293 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 294 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 295 296 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 297 298 /* Version 5 messages */ 299 NVSP_MSG5_TYPE_OID_QUERY_EX, 300 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 301 NVSP_MSG5_TYPE_SUBCHANNEL, 302 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 303 304 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 305 306 /* Version 6 messages */ 307 NVSP_MSG6_TYPE_PD_API, 308 NVSP_MSG6_TYPE_PD_POST_BATCH, 309 310 NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH 311 }; 312 313 enum { 314 NVSP_STAT_NONE = 0, 315 NVSP_STAT_SUCCESS, 316 NVSP_STAT_FAIL, 317 NVSP_STAT_PROTOCOL_TOO_NEW, 318 NVSP_STAT_PROTOCOL_TOO_OLD, 319 NVSP_STAT_INVALID_RNDIS_PKT, 320 NVSP_STAT_BUSY, 321 NVSP_STAT_PROTOCOL_UNSUPPORTED, 322 NVSP_STAT_MAX, 323 }; 324 325 struct nvsp_message_header { 326 u32 msg_type; 327 }; 328 329 /* Init Messages */ 330 331 /* 332 * This message is used by the VSC to initialize the channel after the channels 333 * has been opened. This message should never include anything other then 334 * versioning (i.e. this message will be the same for ever). 335 */ 336 struct nvsp_message_init { 337 u32 min_protocol_ver; 338 u32 max_protocol_ver; 339 } __packed; 340 341 /* 342 * This message is used by the VSP to complete the initialization of the 343 * channel. This message should never include anything other then versioning 344 * (i.e. this message will be the same for ever). 345 */ 346 struct nvsp_message_init_complete { 347 u32 negotiated_protocol_ver; 348 u32 max_mdl_chain_len; 349 u32 status; 350 } __packed; 351 352 union nvsp_message_init_uber { 353 struct nvsp_message_init init; 354 struct nvsp_message_init_complete init_complete; 355 } __packed; 356 357 /* Version 1 Messages */ 358 359 /* 360 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 361 * can use this information when handling OIDs sent by the VSC. 362 */ 363 struct nvsp_1_message_send_ndis_version { 364 u32 ndis_major_ver; 365 u32 ndis_minor_ver; 366 } __packed; 367 368 /* 369 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 370 * can then use the receive buffer to send data to the VSC. 371 */ 372 struct nvsp_1_message_send_receive_buffer { 373 u32 gpadl_handle; 374 u16 id; 375 } __packed; 376 377 struct nvsp_1_receive_buffer_section { 378 u32 offset; 379 u32 sub_alloc_size; 380 u32 num_sub_allocs; 381 u32 end_offset; 382 } __packed; 383 384 /* 385 * This message is used by the VSP to acknowledge a receive buffer send by the 386 * VSC. This message must be sent by the VSP before the VSP uses the receive 387 * buffer. 388 */ 389 struct nvsp_1_message_send_receive_buffer_complete { 390 u32 status; 391 u32 num_sections; 392 393 /* 394 * The receive buffer is split into two parts, a large suballocation 395 * section and a small suballocation section. These sections are then 396 * suballocated by a certain size. 397 */ 398 399 /* 400 * For example, the following break up of the receive buffer has 6 401 * large suballocations and 10 small suballocations. 402 */ 403 404 /* 405 * | Large Section | | Small Section | 406 * ------------------------------------------------------------ 407 * | | | | | | | | | | | | | | | | | | 408 * | | 409 * LargeOffset SmallOffset 410 */ 411 412 struct nvsp_1_receive_buffer_section sections[1]; 413 } __packed; 414 415 /* 416 * This message is sent by the VSC to revoke the receive buffer. After the VSP 417 * completes this transaction, the vsp should never use the receive buffer 418 * again. 419 */ 420 struct nvsp_1_message_revoke_receive_buffer { 421 u16 id; 422 }; 423 424 /* 425 * This message is used by the VSC to send a send buffer to the VSP. The VSC 426 * can then use the send buffer to send data to the VSP. 427 */ 428 struct nvsp_1_message_send_send_buffer { 429 u32 gpadl_handle; 430 u16 id; 431 } __packed; 432 433 /* 434 * This message is used by the VSP to acknowledge a send buffer sent by the 435 * VSC. This message must be sent by the VSP before the VSP uses the sent 436 * buffer. 437 */ 438 struct nvsp_1_message_send_send_buffer_complete { 439 u32 status; 440 441 /* 442 * The VSC gets to choose the size of the send buffer and the VSP gets 443 * to choose the sections size of the buffer. This was done to enable 444 * dynamic reconfigurations when the cost of GPA-direct buffers 445 * decreases. 446 */ 447 u32 section_size; 448 } __packed; 449 450 /* 451 * This message is sent by the VSC to revoke the send buffer. After the VSP 452 * completes this transaction, the vsp should never use the send buffer again. 453 */ 454 struct nvsp_1_message_revoke_send_buffer { 455 u16 id; 456 }; 457 458 /* 459 * This message is used by both the VSP and the VSC to send a RNDIS message to 460 * the opposite channel endpoint. 461 */ 462 struct nvsp_1_message_send_rndis_packet { 463 /* 464 * This field is specified by RNDIS. They assume there's two different 465 * channels of communication. However, the Network VSP only has one. 466 * Therefore, the channel travels with the RNDIS packet. 467 */ 468 u32 channel_type; 469 470 /* 471 * This field is used to send part or all of the data through a send 472 * buffer. This values specifies an index into the send buffer. If the 473 * index is 0xFFFFFFFF, then the send buffer is not being used and all 474 * of the data was sent through other VMBus mechanisms. 475 */ 476 u32 send_buf_section_index; 477 u32 send_buf_section_size; 478 } __packed; 479 480 /* 481 * This message is used by both the VSP and the VSC to complete a RNDIS message 482 * to the opposite channel endpoint. At this point, the initiator of this 483 * message cannot use any resources associated with the original RNDIS packet. 484 */ 485 struct nvsp_1_message_send_rndis_packet_complete { 486 u32 status; 487 }; 488 489 union nvsp_1_message_uber { 490 struct nvsp_1_message_send_ndis_version send_ndis_ver; 491 492 struct nvsp_1_message_send_receive_buffer send_recv_buf; 493 struct nvsp_1_message_send_receive_buffer_complete 494 send_recv_buf_complete; 495 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 496 497 struct nvsp_1_message_send_send_buffer send_send_buf; 498 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 499 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 500 501 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 502 struct nvsp_1_message_send_rndis_packet_complete 503 send_rndis_pkt_complete; 504 } __packed; 505 506 507 /* 508 * Network VSP protocol version 2 messages: 509 */ 510 struct nvsp_2_vsc_capability { 511 union { 512 u64 data; 513 struct { 514 u64 vmq:1; 515 u64 chimney:1; 516 u64 sriov:1; 517 u64 ieee8021q:1; 518 u64 correlation_id:1; 519 u64 teaming:1; 520 u64 vsubnetid:1; 521 u64 rsc:1; 522 }; 523 }; 524 } __packed; 525 526 struct nvsp_2_send_ndis_config { 527 u32 mtu; 528 u32 reserved; 529 struct nvsp_2_vsc_capability capability; 530 } __packed; 531 532 /* Allocate receive buffer */ 533 struct nvsp_2_alloc_rxbuf { 534 /* Allocation ID to match the allocation request and response */ 535 u32 alloc_id; 536 537 /* Length of the VM shared memory receive buffer that needs to 538 * be allocated 539 */ 540 u32 len; 541 } __packed; 542 543 /* Allocate receive buffer complete */ 544 struct nvsp_2_alloc_rxbuf_comp { 545 /* The NDIS_STATUS code for buffer allocation */ 546 u32 status; 547 548 u32 alloc_id; 549 550 /* GPADL handle for the allocated receive buffer */ 551 u32 gpadl_handle; 552 553 /* Receive buffer ID */ 554 u64 recv_buf_id; 555 } __packed; 556 557 struct nvsp_2_free_rxbuf { 558 u64 recv_buf_id; 559 } __packed; 560 561 union nvsp_2_message_uber { 562 struct nvsp_2_send_ndis_config send_ndis_config; 563 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 564 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 565 struct nvsp_2_free_rxbuf free_rxbuf; 566 } __packed; 567 568 struct nvsp_4_send_vf_association { 569 /* 1: allocated, serial number is valid. 0: not allocated */ 570 u32 allocated; 571 572 /* Serial number of the VF to team with */ 573 u32 serial; 574 } __packed; 575 576 enum nvsp_vm_datapath { 577 NVSP_DATAPATH_SYNTHETIC = 0, 578 NVSP_DATAPATH_VF, 579 NVSP_DATAPATH_MAX 580 }; 581 582 struct nvsp_4_sw_datapath { 583 u32 active_datapath; /* active data path in VM */ 584 } __packed; 585 586 union nvsp_4_message_uber { 587 struct nvsp_4_send_vf_association vf_assoc; 588 struct nvsp_4_sw_datapath active_dp; 589 } __packed; 590 591 enum nvsp_subchannel_operation { 592 NVSP_SUBCHANNEL_NONE = 0, 593 NVSP_SUBCHANNEL_ALLOCATE, 594 NVSP_SUBCHANNEL_MAX 595 }; 596 597 struct nvsp_5_subchannel_request { 598 u32 op; 599 u32 num_subchannels; 600 } __packed; 601 602 struct nvsp_5_subchannel_complete { 603 u32 status; 604 u32 num_subchannels; /* Actual number of subchannels allocated */ 605 } __packed; 606 607 struct nvsp_5_send_indirect_table { 608 /* The number of entries in the send indirection table */ 609 u32 count; 610 611 /* The offset of the send indirection table from the beginning of 612 * struct nvsp_message. 613 * The send indirection table tells which channel to put the send 614 * traffic on. Each entry is a channel number. 615 */ 616 u32 offset; 617 } __packed; 618 619 union nvsp_5_message_uber { 620 struct nvsp_5_subchannel_request subchn_req; 621 struct nvsp_5_subchannel_complete subchn_comp; 622 struct nvsp_5_send_indirect_table send_table; 623 } __packed; 624 625 enum nvsp_6_pd_api_op { 626 PD_API_OP_CONFIG = 1, 627 PD_API_OP_SW_DATAPATH, /* Switch Datapath */ 628 PD_API_OP_OPEN_PROVIDER, 629 PD_API_OP_CLOSE_PROVIDER, 630 PD_API_OP_CREATE_QUEUE, 631 PD_API_OP_FLUSH_QUEUE, 632 PD_API_OP_FREE_QUEUE, 633 PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ 634 PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ 635 PD_API_OP_MAX 636 }; 637 638 struct grp_affinity { 639 u64 mask; 640 u16 grp; 641 u16 reserved[3]; 642 } __packed; 643 644 struct nvsp_6_pd_api_req { 645 u32 op; 646 647 union { 648 /* MMIO information is sent from the VM to VSP */ 649 struct __packed { 650 u64 mmio_pa; /* MMIO Physical Address */ 651 u32 mmio_len; 652 653 /* Number of PD queues a VM can support */ 654 u16 num_subchn; 655 } config; 656 657 /* Switch Datapath */ 658 struct __packed { 659 /* Host Datapath Is PacketDirect */ 660 u8 host_dpath_is_pd; 661 662 /* Guest PacketDirect Is Enabled */ 663 u8 guest_pd_enabled; 664 } sw_dpath; 665 666 /* Open Provider*/ 667 struct __packed { 668 u32 prov_id; /* Provider id */ 669 u32 flag; 670 } open_prov; 671 672 /* Close Provider */ 673 struct __packed { 674 u32 prov_id; 675 } cls_prov; 676 677 /* Create Queue*/ 678 struct __packed { 679 u32 prov_id; 680 u16 q_id; 681 u16 q_size; 682 u8 is_recv_q; 683 u8 is_rss_q; 684 u32 recv_data_len; 685 struct grp_affinity affy; 686 } cr_q; 687 688 /* Delete Queue*/ 689 struct __packed { 690 u32 prov_id; 691 u16 q_id; 692 } del_q; 693 694 /* Flush Queue */ 695 struct __packed { 696 u32 prov_id; 697 u16 q_id; 698 } flush_q; 699 700 /* Allocate Common Buffer */ 701 struct __packed { 702 u32 len; 703 u32 pf_node; /* Preferred Node */ 704 u16 region_id; 705 } alloc_com_buf; 706 707 /* Free Common Buffer */ 708 struct __packed { 709 u32 len; 710 u64 pa; /* Physical Address */ 711 u32 pf_node; /* Preferred Node */ 712 u16 region_id; 713 u8 cache_type; 714 } free_com_buf; 715 } __packed; 716 } __packed; 717 718 struct nvsp_6_pd_api_comp { 719 u32 op; 720 u32 status; 721 722 union { 723 struct __packed { 724 /* actual number of PD queues allocated to the VM */ 725 u16 num_pd_q; 726 727 /* Num Receive Rss PD Queues */ 728 u8 num_rss_q; 729 730 u8 is_supported; /* Is supported by VSP */ 731 u8 is_enabled; /* Is enabled by VSP */ 732 } config; 733 734 /* Open Provider */ 735 struct __packed { 736 u32 prov_id; 737 } open_prov; 738 739 /* Create Queue */ 740 struct __packed { 741 u32 prov_id; 742 u16 q_id; 743 u16 q_size; 744 u32 recv_data_len; 745 struct grp_affinity affy; 746 } cr_q; 747 748 /* Allocate Common Buffer */ 749 struct __packed { 750 u64 pa; /* Physical Address */ 751 u32 len; 752 u32 pf_node; /* Preferred Node */ 753 u16 region_id; 754 u8 cache_type; 755 } alloc_com_buf; 756 } __packed; 757 } __packed; 758 759 struct nvsp_6_pd_buf { 760 u32 region_offset; 761 u16 region_id; 762 u16 is_partial:1; 763 u16 reserved:15; 764 } __packed; 765 766 struct nvsp_6_pd_batch_msg { 767 struct nvsp_message_header hdr; 768 u16 count; 769 u16 guest2host:1; 770 u16 is_recv:1; 771 u16 reserved:14; 772 struct nvsp_6_pd_buf pd_buf[0]; 773 } __packed; 774 775 union nvsp_6_message_uber { 776 struct nvsp_6_pd_api_req pd_req; 777 struct nvsp_6_pd_api_comp pd_comp; 778 } __packed; 779 780 union nvsp_all_messages { 781 union nvsp_message_init_uber init_msg; 782 union nvsp_1_message_uber v1_msg; 783 union nvsp_2_message_uber v2_msg; 784 union nvsp_4_message_uber v4_msg; 785 union nvsp_5_message_uber v5_msg; 786 union nvsp_6_message_uber v6_msg; 787 } __packed; 788 789 /* ALL Messages */ 790 struct nvsp_message { 791 struct nvsp_message_header hdr; 792 union nvsp_all_messages msg; 793 } __packed; 794 795 796 #define NETVSC_MTU 65535 797 #define NETVSC_MTU_MIN ETH_MIN_MTU 798 799 /* Max buffer sizes allowed by a host */ 800 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ 801 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ 802 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) 803 804 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 805 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) 806 807 #define NETVSC_INVALID_INDEX -1 808 809 #define NETVSC_SEND_SECTION_SIZE 6144 810 #define NETVSC_RECV_SECTION_SIZE 1728 811 812 /* Default size of TX buf: 1MB, RX buf: 16MB */ 813 #define NETVSC_MIN_TX_SECTIONS 10 814 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ 815 / NETVSC_SEND_SECTION_SIZE) 816 #define NETVSC_MIN_RX_SECTIONS 10 817 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ 818 / NETVSC_RECV_SECTION_SIZE) 819 820 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 821 #define NETVSC_SEND_BUFFER_ID 0 822 823 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ 824 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ 825 NETIF_F_TSO6 | NETIF_F_LRO | \ 826 NETIF_F_SG | NETIF_F_RXHASH) 827 828 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 829 #define VRSS_CHANNEL_MAX 64 830 #define VRSS_CHANNEL_DEFAULT 8 831 832 #define RNDIS_MAX_PKT_DEFAULT 8 833 #define RNDIS_PKT_ALIGN_DEFAULT 8 834 835 struct multi_send_data { 836 struct sk_buff *skb; /* skb containing the pkt */ 837 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 838 u32 count; /* counter of batched packets */ 839 }; 840 841 struct recv_comp_data { 842 u64 tid; /* transaction id */ 843 u32 status; 844 }; 845 846 struct multi_recv_comp { 847 struct recv_comp_data *slots; 848 u32 first; /* first data entry */ 849 u32 next; /* next entry for writing */ 850 }; 851 852 #define NVSP_RSC_MAX 562 /* Max #RSC frags in a vmbus xfer page pkt */ 853 854 struct nvsc_rsc { 855 const struct ndis_pkt_8021q_info *vlan; 856 const struct ndis_tcp_ip_checksum_info *csum_info; 857 const u32 *hash_info; 858 u8 is_last; /* last RNDIS msg in a vmtransfer_page */ 859 u32 cnt; /* #fragments in an RSC packet */ 860 u32 pktlen; /* Full packet length */ 861 void *data[NVSP_RSC_MAX]; 862 u32 len[NVSP_RSC_MAX]; 863 }; 864 865 struct netvsc_stats { 866 u64 packets; 867 u64 bytes; 868 u64 broadcast; 869 u64 multicast; 870 struct u64_stats_sync syncp; 871 }; 872 873 struct netvsc_ethtool_stats { 874 unsigned long tx_scattered; 875 unsigned long tx_no_memory; 876 unsigned long tx_no_space; 877 unsigned long tx_too_big; 878 unsigned long tx_busy; 879 unsigned long tx_send_full; 880 unsigned long rx_comp_busy; 881 unsigned long rx_no_memory; 882 unsigned long stop_queue; 883 unsigned long wake_queue; 884 }; 885 886 struct netvsc_ethtool_pcpu_stats { 887 u64 rx_packets; 888 u64 rx_bytes; 889 u64 tx_packets; 890 u64 tx_bytes; 891 u64 vf_rx_packets; 892 u64 vf_rx_bytes; 893 u64 vf_tx_packets; 894 u64 vf_tx_bytes; 895 }; 896 897 struct netvsc_vf_pcpu_stats { 898 u64 rx_packets; 899 u64 rx_bytes; 900 u64 tx_packets; 901 u64 tx_bytes; 902 struct u64_stats_sync syncp; 903 u32 tx_dropped; 904 }; 905 906 struct netvsc_reconfig { 907 struct list_head list; 908 u32 event; 909 }; 910 911 /* L4 hash bits for different protocols */ 912 #define HV_TCP4_L4HASH 1 913 #define HV_TCP6_L4HASH 2 914 #define HV_UDP4_L4HASH 4 915 #define HV_UDP6_L4HASH 8 916 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ 917 HV_UDP6_L4HASH) 918 919 /* The context of the netvsc device */ 920 struct net_device_context { 921 /* point back to our device context */ 922 struct hv_device *device_ctx; 923 /* netvsc_device */ 924 struct netvsc_device __rcu *nvdev; 925 /* list of netvsc net_devices */ 926 struct list_head list; 927 /* reconfigure work */ 928 struct delayed_work dwork; 929 /* last reconfig time */ 930 unsigned long last_reconfig; 931 /* reconfig events */ 932 struct list_head reconfig_events; 933 /* list protection */ 934 spinlock_t lock; 935 936 u32 msg_enable; /* debug level */ 937 938 u32 tx_checksum_mask; 939 940 u32 tx_table[VRSS_SEND_TAB_SIZE]; 941 942 u16 rx_table[ITAB_NUM]; 943 944 /* Ethtool settings */ 945 u8 duplex; 946 u32 speed; 947 u32 l4_hash; /* L4 hash settings */ 948 struct netvsc_ethtool_stats eth_stats; 949 950 /* State to manage the associated VF interface. */ 951 struct net_device __rcu *vf_netdev; 952 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 953 struct delayed_work vf_takeover; 954 955 /* 1: allocated, serial number is valid. 0: not allocated */ 956 u32 vf_alloc; 957 /* Serial number of the VF to team with */ 958 u32 vf_serial; 959 960 /* Used to temporarily save the config info across hibernation */ 961 struct netvsc_device_info *saved_netvsc_dev_info; 962 }; 963 964 /* Per channel data */ 965 struct netvsc_channel { 966 struct vmbus_channel *channel; 967 struct netvsc_device *net_device; 968 const struct vmpacket_descriptor *desc; 969 struct napi_struct napi; 970 struct multi_send_data msd; 971 struct multi_recv_comp mrc; 972 atomic_t queue_sends; 973 struct nvsc_rsc rsc; 974 975 struct netvsc_stats tx_stats; 976 struct netvsc_stats rx_stats; 977 }; 978 979 /* Per netvsc device */ 980 struct netvsc_device { 981 u32 nvsp_version; 982 983 wait_queue_head_t wait_drain; 984 bool destroy; 985 bool tx_disable; /* if true, do not wake up queue again */ 986 987 /* Receive buffer allocated by us but manages by NetVSP */ 988 void *recv_buf; 989 u32 recv_buf_size; /* allocated bytes */ 990 u32 recv_buf_gpadl_handle; 991 u32 recv_section_cnt; 992 u32 recv_section_size; 993 u32 recv_completion_cnt; 994 995 /* Send buffer allocated by us */ 996 void *send_buf; 997 u32 send_buf_gpadl_handle; 998 u32 send_section_cnt; 999 u32 send_section_size; 1000 unsigned long *send_section_map; 1001 1002 /* Used for NetVSP initialization protocol */ 1003 struct completion channel_init_wait; 1004 struct nvsp_message channel_init_pkt; 1005 1006 struct nvsp_message revoke_packet; 1007 1008 u32 max_chn; 1009 u32 num_chn; 1010 1011 atomic_t open_chn; 1012 struct work_struct subchan_work; 1013 wait_queue_head_t subchan_open; 1014 1015 struct rndis_device *extension; 1016 1017 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 1018 u32 pkt_align; /* alignment bytes, e.g. 8 */ 1019 1020 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 1021 1022 struct rcu_head rcu; 1023 }; 1024 1025 /* NdisInitialize message */ 1026 struct rndis_initialize_request { 1027 u32 req_id; 1028 u32 major_ver; 1029 u32 minor_ver; 1030 u32 max_xfer_size; 1031 }; 1032 1033 /* Response to NdisInitialize */ 1034 struct rndis_initialize_complete { 1035 u32 req_id; 1036 u32 status; 1037 u32 major_ver; 1038 u32 minor_ver; 1039 u32 dev_flags; 1040 u32 medium; 1041 u32 max_pkt_per_msg; 1042 u32 max_xfer_size; 1043 u32 pkt_alignment_factor; 1044 u32 af_list_offset; 1045 u32 af_list_size; 1046 }; 1047 1048 /* Call manager devices only: Information about an address family */ 1049 /* supported by the device is appended to the response to NdisInitialize. */ 1050 struct rndis_co_address_family { 1051 u32 address_family; 1052 u32 major_ver; 1053 u32 minor_ver; 1054 }; 1055 1056 /* NdisHalt message */ 1057 struct rndis_halt_request { 1058 u32 req_id; 1059 }; 1060 1061 /* NdisQueryRequest message */ 1062 struct rndis_query_request { 1063 u32 req_id; 1064 u32 oid; 1065 u32 info_buflen; 1066 u32 info_buf_offset; 1067 u32 dev_vc_handle; 1068 }; 1069 1070 /* Response to NdisQueryRequest */ 1071 struct rndis_query_complete { 1072 u32 req_id; 1073 u32 status; 1074 u32 info_buflen; 1075 u32 info_buf_offset; 1076 }; 1077 1078 /* NdisSetRequest message */ 1079 struct rndis_set_request { 1080 u32 req_id; 1081 u32 oid; 1082 u32 info_buflen; 1083 u32 info_buf_offset; 1084 u32 dev_vc_handle; 1085 }; 1086 1087 /* Response to NdisSetRequest */ 1088 struct rndis_set_complete { 1089 u32 req_id; 1090 u32 status; 1091 }; 1092 1093 /* NdisReset message */ 1094 struct rndis_reset_request { 1095 u32 reserved; 1096 }; 1097 1098 /* Response to NdisReset */ 1099 struct rndis_reset_complete { 1100 u32 status; 1101 u32 addressing_reset; 1102 }; 1103 1104 /* NdisMIndicateStatus message */ 1105 struct rndis_indicate_status { 1106 u32 status; 1107 u32 status_buflen; 1108 u32 status_buf_offset; 1109 }; 1110 1111 /* Diagnostic information passed as the status buffer in */ 1112 /* struct rndis_indicate_status messages signifying error conditions. */ 1113 struct rndis_diagnostic_info { 1114 u32 diag_status; 1115 u32 error_offset; 1116 }; 1117 1118 /* NdisKeepAlive message */ 1119 struct rndis_keepalive_request { 1120 u32 req_id; 1121 }; 1122 1123 /* Response to NdisKeepAlive */ 1124 struct rndis_keepalive_complete { 1125 u32 req_id; 1126 u32 status; 1127 }; 1128 1129 /* 1130 * Data message. All Offset fields contain byte offsets from the beginning of 1131 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 1132 * to 0 for connectionless data, otherwise it contains the VC handle. 1133 */ 1134 struct rndis_packet { 1135 u32 data_offset; 1136 u32 data_len; 1137 u32 oob_data_offset; 1138 u32 oob_data_len; 1139 u32 num_oob_data_elements; 1140 u32 per_pkt_info_offset; 1141 u32 per_pkt_info_len; 1142 u32 vc_handle; 1143 u32 reserved; 1144 }; 1145 1146 /* Optional Out of Band data associated with a Data message. */ 1147 struct rndis_oobd { 1148 u32 size; 1149 u32 type; 1150 u32 class_info_offset; 1151 }; 1152 1153 /* Packet extension field contents associated with a Data message. */ 1154 struct rndis_per_packet_info { 1155 u32 size; 1156 u32 type:31; 1157 u32 internal:1; 1158 u32 ppi_offset; 1159 }; 1160 1161 enum ndis_per_pkt_info_type { 1162 TCPIP_CHKSUM_PKTINFO, 1163 IPSEC_PKTINFO, 1164 TCP_LARGESEND_PKTINFO, 1165 CLASSIFICATION_HANDLE_PKTINFO, 1166 NDIS_RESERVED, 1167 SG_LIST_PKTINFO, 1168 IEEE_8021Q_INFO, 1169 ORIGINAL_PKTINFO, 1170 PACKET_CANCEL_ID, 1171 NBL_HASH_VALUE = PACKET_CANCEL_ID, 1172 ORIGINAL_NET_BUFLIST, 1173 CACHED_NET_BUFLIST, 1174 SHORT_PKT_PADINFO, 1175 MAX_PER_PKT_INFO 1176 }; 1177 1178 enum rndis_per_pkt_info_interal_type { 1179 RNDIS_PKTINFO_ID = 1, 1180 /* Add more members here */ 1181 1182 RNDIS_PKTINFO_MAX 1183 }; 1184 1185 #define RNDIS_PKTINFO_SUBALLOC BIT(0) 1186 #define RNDIS_PKTINFO_1ST_FRAG BIT(1) 1187 #define RNDIS_PKTINFO_LAST_FRAG BIT(2) 1188 1189 #define RNDIS_PKTINFO_ID_V1 1 1190 1191 struct rndis_pktinfo_id { 1192 u8 ver; 1193 u8 flag; 1194 u16 pkt_id; 1195 }; 1196 1197 struct ndis_pkt_8021q_info { 1198 union { 1199 struct { 1200 u32 pri:3; /* User Priority */ 1201 u32 cfi:1; /* Canonical Format ID */ 1202 u32 vlanid:12; /* VLAN ID */ 1203 u32 reserved:16; 1204 }; 1205 u32 value; 1206 }; 1207 }; 1208 1209 struct ndis_object_header { 1210 u8 type; 1211 u8 revision; 1212 u16 size; 1213 }; 1214 1215 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 1216 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 1217 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 1218 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 1219 1220 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 1221 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 1222 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 1223 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 1224 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 1225 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 1226 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 1227 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 1228 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 1229 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 1230 1231 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 1232 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 1233 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 1234 1235 #define VERSION_4_OFFLOAD_SIZE 22 1236 /* 1237 * New offload OIDs for NDIS 6 1238 */ 1239 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 1240 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1241 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1242 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1243 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1244 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1245 1246 /* 1247 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1248 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1249 */ 1250 1251 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1252 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1253 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1254 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1255 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1256 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1257 1258 struct ndis_csum_offload { 1259 u32 ip4_txenc; 1260 u32 ip4_txcsum; 1261 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1262 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1263 #define NDIS_TXCSUM_CAP_TCP4 0x010 1264 #define NDIS_TXCSUM_CAP_UDP4 0x040 1265 #define NDIS_TXCSUM_CAP_IP4 0x100 1266 1267 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1268 1269 u32 ip4_rxenc; 1270 u32 ip4_rxcsum; 1271 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1272 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1273 #define NDIS_RXCSUM_CAP_TCP4 0x010 1274 #define NDIS_RXCSUM_CAP_UDP4 0x040 1275 #define NDIS_RXCSUM_CAP_IP4 0x100 1276 u32 ip6_txenc; 1277 u32 ip6_txcsum; 1278 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1279 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1280 #define NDIS_TXCSUM_CAP_TCP6 0x010 1281 #define NDIS_TXCSUM_CAP_UDP6 0x040 1282 u32 ip6_rxenc; 1283 u32 ip6_rxcsum; 1284 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1285 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1286 #define NDIS_RXCSUM_CAP_TCP6 0x010 1287 #define NDIS_RXCSUM_CAP_UDP6 0x040 1288 1289 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1290 NDIS_TXCSUM_CAP_TCP6OPT | \ 1291 NDIS_TXCSUM_CAP_IP6EXT) 1292 }; 1293 1294 struct ndis_lsov1_offload { 1295 u32 encap; 1296 u32 maxsize; 1297 u32 minsegs; 1298 u32 opts; 1299 }; 1300 1301 struct ndis_ipsecv1_offload { 1302 u32 encap; 1303 u32 ah_esp; 1304 u32 xport_tun; 1305 u32 ip4_opts; 1306 u32 flags; 1307 u32 ip4_ah; 1308 u32 ip4_esp; 1309 }; 1310 1311 struct ndis_lsov2_offload { 1312 u32 ip4_encap; 1313 u32 ip4_maxsz; 1314 u32 ip4_minsg; 1315 u32 ip6_encap; 1316 u32 ip6_maxsz; 1317 u32 ip6_minsg; 1318 u32 ip6_opts; 1319 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1320 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1321 1322 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1323 NDIS_LSOV2_CAP_TCP6OPT) 1324 }; 1325 1326 struct ndis_ipsecv2_offload { 1327 u32 encap; 1328 u8 ip6; 1329 u8 ip4opt; 1330 u8 ip6ext; 1331 u8 ah; 1332 u8 esp; 1333 u8 ah_esp; 1334 u8 xport; 1335 u8 tun; 1336 u8 xport_tun; 1337 u8 lso; 1338 u8 extseq; 1339 u32 udp_esp; 1340 u32 auth; 1341 u32 crypto; 1342 u32 sa_caps; 1343 }; 1344 1345 struct ndis_rsc_offload { 1346 u8 ip4; 1347 u8 ip6; 1348 }; 1349 1350 struct ndis_encap_offload { 1351 u32 flags; 1352 u32 maxhdr; 1353 }; 1354 1355 struct ndis_offload { 1356 struct ndis_object_header header; 1357 struct ndis_csum_offload csum; 1358 struct ndis_lsov1_offload lsov1; 1359 struct ndis_ipsecv1_offload ipsecv1; 1360 struct ndis_lsov2_offload lsov2; 1361 u32 flags; 1362 /* NDIS >= 6.1 */ 1363 struct ndis_ipsecv2_offload ipsecv2; 1364 /* NDIS >= 6.30 */ 1365 struct ndis_rsc_offload rsc; 1366 struct ndis_encap_offload encap_gre; 1367 }; 1368 1369 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1370 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1371 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1372 1373 struct ndis_offload_params { 1374 struct ndis_object_header header; 1375 u8 ip_v4_csum; 1376 u8 tcp_ip_v4_csum; 1377 u8 udp_ip_v4_csum; 1378 u8 tcp_ip_v6_csum; 1379 u8 udp_ip_v6_csum; 1380 u8 lso_v1; 1381 u8 ip_sec_v1; 1382 u8 lso_v2_ipv4; 1383 u8 lso_v2_ipv6; 1384 u8 tcp_connection_ip_v4; 1385 u8 tcp_connection_ip_v6; 1386 u32 flags; 1387 u8 ip_sec_v2; 1388 u8 ip_sec_v2_ip_v4; 1389 struct { 1390 u8 rsc_ip_v4; 1391 u8 rsc_ip_v6; 1392 }; 1393 struct { 1394 u8 encapsulated_packet_task_offload; 1395 u8 encapsulation_types; 1396 }; 1397 }; 1398 1399 struct ndis_tcp_ip_checksum_info { 1400 union { 1401 struct { 1402 u32 is_ipv4:1; 1403 u32 is_ipv6:1; 1404 u32 tcp_checksum:1; 1405 u32 udp_checksum:1; 1406 u32 ip_header_checksum:1; 1407 u32 reserved:11; 1408 u32 tcp_header_offset:10; 1409 } transmit; 1410 struct { 1411 u32 tcp_checksum_failed:1; 1412 u32 udp_checksum_failed:1; 1413 u32 ip_checksum_failed:1; 1414 u32 tcp_checksum_succeeded:1; 1415 u32 udp_checksum_succeeded:1; 1416 u32 ip_checksum_succeeded:1; 1417 u32 loopback:1; 1418 u32 tcp_checksum_value_invalid:1; 1419 u32 ip_checksum_value_invalid:1; 1420 } receive; 1421 u32 value; 1422 }; 1423 }; 1424 1425 struct ndis_tcp_lso_info { 1426 union { 1427 struct { 1428 u32 unused:30; 1429 u32 type:1; 1430 u32 reserved2:1; 1431 } transmit; 1432 struct { 1433 u32 mss:20; 1434 u32 tcp_header_offset:10; 1435 u32 type:1; 1436 u32 reserved2:1; 1437 } lso_v1_transmit; 1438 struct { 1439 u32 tcp_payload:30; 1440 u32 type:1; 1441 u32 reserved2:1; 1442 } lso_v1_transmit_complete; 1443 struct { 1444 u32 mss:20; 1445 u32 tcp_header_offset:10; 1446 u32 type:1; 1447 u32 ip_version:1; 1448 } lso_v2_transmit; 1449 struct { 1450 u32 reserved:30; 1451 u32 type:1; 1452 u32 reserved2:1; 1453 } lso_v2_transmit_complete; 1454 u32 value; 1455 }; 1456 }; 1457 1458 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1459 sizeof(struct ndis_pkt_8021q_info)) 1460 1461 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1462 sizeof(struct ndis_tcp_ip_checksum_info)) 1463 1464 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1465 sizeof(struct ndis_tcp_lso_info)) 1466 1467 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1468 sizeof(u32)) 1469 1470 /* Total size of all PPI data */ 1471 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1472 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1473 1474 /* Format of Information buffer passed in a SetRequest for the OID */ 1475 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1476 struct rndis_config_parameter_info { 1477 u32 parameter_name_offset; 1478 u32 parameter_name_length; 1479 u32 parameter_type; 1480 u32 parameter_value_offset; 1481 u32 parameter_value_length; 1482 }; 1483 1484 /* Values for ParameterType in struct rndis_config_parameter_info */ 1485 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1486 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1487 1488 /* CONDIS Miniport messages for connection oriented devices */ 1489 /* that do not implement a call manager. */ 1490 1491 /* CoNdisMiniportCreateVc message */ 1492 struct rcondis_mp_create_vc { 1493 u32 req_id; 1494 u32 ndis_vc_handle; 1495 }; 1496 1497 /* Response to CoNdisMiniportCreateVc */ 1498 struct rcondis_mp_create_vc_complete { 1499 u32 req_id; 1500 u32 dev_vc_handle; 1501 u32 status; 1502 }; 1503 1504 /* CoNdisMiniportDeleteVc message */ 1505 struct rcondis_mp_delete_vc { 1506 u32 req_id; 1507 u32 dev_vc_handle; 1508 }; 1509 1510 /* Response to CoNdisMiniportDeleteVc */ 1511 struct rcondis_mp_delete_vc_complete { 1512 u32 req_id; 1513 u32 status; 1514 }; 1515 1516 /* CoNdisMiniportQueryRequest message */ 1517 struct rcondis_mp_query_request { 1518 u32 req_id; 1519 u32 request_type; 1520 u32 oid; 1521 u32 dev_vc_handle; 1522 u32 info_buflen; 1523 u32 info_buf_offset; 1524 }; 1525 1526 /* CoNdisMiniportSetRequest message */ 1527 struct rcondis_mp_set_request { 1528 u32 req_id; 1529 u32 request_type; 1530 u32 oid; 1531 u32 dev_vc_handle; 1532 u32 info_buflen; 1533 u32 info_buf_offset; 1534 }; 1535 1536 /* CoNdisIndicateStatus message */ 1537 struct rcondis_indicate_status { 1538 u32 ndis_vc_handle; 1539 u32 status; 1540 u32 status_buflen; 1541 u32 status_buf_offset; 1542 }; 1543 1544 /* CONDIS Call/VC parameters */ 1545 struct rcondis_specific_parameters { 1546 u32 parameter_type; 1547 u32 parameter_length; 1548 u32 parameter_lffset; 1549 }; 1550 1551 struct rcondis_media_parameters { 1552 u32 flags; 1553 u32 reserved1; 1554 u32 reserved2; 1555 struct rcondis_specific_parameters media_specific; 1556 }; 1557 1558 struct rndis_flowspec { 1559 u32 token_rate; 1560 u32 token_bucket_size; 1561 u32 peak_bandwidth; 1562 u32 latency; 1563 u32 delay_variation; 1564 u32 service_type; 1565 u32 max_sdu_size; 1566 u32 minimum_policed_size; 1567 }; 1568 1569 struct rcondis_call_manager_parameters { 1570 struct rndis_flowspec transmit; 1571 struct rndis_flowspec receive; 1572 struct rcondis_specific_parameters call_mgr_specific; 1573 }; 1574 1575 /* CoNdisMiniportActivateVc message */ 1576 struct rcondis_mp_activate_vc_request { 1577 u32 req_id; 1578 u32 flags; 1579 u32 dev_vc_handle; 1580 u32 media_params_offset; 1581 u32 media_params_length; 1582 u32 call_mgr_params_offset; 1583 u32 call_mgr_params_length; 1584 }; 1585 1586 /* Response to CoNdisMiniportActivateVc */ 1587 struct rcondis_mp_activate_vc_complete { 1588 u32 req_id; 1589 u32 status; 1590 }; 1591 1592 /* CoNdisMiniportDeactivateVc message */ 1593 struct rcondis_mp_deactivate_vc_request { 1594 u32 req_id; 1595 u32 flags; 1596 u32 dev_vc_handle; 1597 }; 1598 1599 /* Response to CoNdisMiniportDeactivateVc */ 1600 struct rcondis_mp_deactivate_vc_complete { 1601 u32 req_id; 1602 u32 status; 1603 }; 1604 1605 1606 /* union with all of the RNDIS messages */ 1607 union rndis_message_container { 1608 struct rndis_packet pkt; 1609 struct rndis_initialize_request init_req; 1610 struct rndis_halt_request halt_req; 1611 struct rndis_query_request query_req; 1612 struct rndis_set_request set_req; 1613 struct rndis_reset_request reset_req; 1614 struct rndis_keepalive_request keep_alive_req; 1615 struct rndis_indicate_status indicate_status; 1616 struct rndis_initialize_complete init_complete; 1617 struct rndis_query_complete query_complete; 1618 struct rndis_set_complete set_complete; 1619 struct rndis_reset_complete reset_complete; 1620 struct rndis_keepalive_complete keep_alive_complete; 1621 struct rcondis_mp_create_vc co_miniport_create_vc; 1622 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1623 struct rcondis_indicate_status co_indicate_status; 1624 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1625 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1626 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1627 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1628 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1629 struct rcondis_mp_deactivate_vc_complete 1630 co_miniport_deactivate_vc_complete; 1631 }; 1632 1633 /* Remote NDIS message format */ 1634 struct rndis_message { 1635 u32 ndis_msg_type; 1636 1637 /* Total length of this message, from the beginning */ 1638 /* of the struct rndis_message, in bytes. */ 1639 u32 msg_len; 1640 1641 /* Actual message */ 1642 union rndis_message_container msg; 1643 }; 1644 1645 1646 /* Handy macros */ 1647 1648 /* get the size of an RNDIS message. Pass in the message type, */ 1649 /* struct rndis_set_request, struct rndis_packet for example */ 1650 #define RNDIS_MESSAGE_SIZE(msg) \ 1651 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1652 sizeof(union rndis_message_container))) 1653 1654 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1655 sizeof(union rndis_message_container)) 1656 1657 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1658 1659 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1660 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1661 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1662 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1663 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1664 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1665 #define NDIS_PACKET_TYPE_SMT 0x00000040 1666 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1667 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1668 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1669 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1670 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1671 1672 #define TRANSPORT_INFO_NOT_IP 0 1673 #define TRANSPORT_INFO_IPV4_TCP 0x01 1674 #define TRANSPORT_INFO_IPV4_UDP 0x02 1675 #define TRANSPORT_INFO_IPV6_TCP 0x10 1676 #define TRANSPORT_INFO_IPV6_UDP 0x20 1677 1678 #endif /* _HYPERV_NET_H */ 1679