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