1 /* 2 * 3 * Copyright (c) 2011, Microsoft Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, see <http://www.gnu.org/licenses/>. 16 * 17 * Authors: 18 * Haiyang Zhang <haiyangz@microsoft.com> 19 * Hank Janssen <hjanssen@microsoft.com> 20 * K. Y. Srinivasan <kys@microsoft.com> 21 * 22 */ 23 24 #ifndef _HYPERV_NET_H 25 #define _HYPERV_NET_H 26 27 #include <linux/list.h> 28 #include <linux/hyperv.h> 29 #include <linux/rndis.h> 30 31 /* RSS related */ 32 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ 33 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ 34 35 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88 36 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89 37 #define NDIS_OBJECT_TYPE_OFFLOAD 0xa7 38 39 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 40 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 41 42 struct ndis_obj_header { 43 u8 type; 44 u8 rev; 45 u16 size; 46 } __packed; 47 48 /* ndis_recv_scale_cap/cap_flag */ 49 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000 50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000 51 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000 52 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000 53 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000 54 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000 55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100 56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200 57 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400 58 59 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ 60 struct ndis_obj_header hdr; 61 u32 cap_flag; 62 u32 num_int_msg; 63 u32 num_recv_que; 64 u16 num_indirect_tabent; 65 } __packed; 66 67 68 /* ndis_recv_scale_param flags */ 69 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001 70 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002 71 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004 72 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008 73 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010 74 75 /* Hash info bits */ 76 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 77 #define NDIS_HASH_IPV4 0x00000100 78 #define NDIS_HASH_TCP_IPV4 0x00000200 79 #define NDIS_HASH_IPV6 0x00000400 80 #define NDIS_HASH_IPV6_EX 0x00000800 81 #define NDIS_HASH_TCP_IPV6 0x00001000 82 #define NDIS_HASH_TCP_IPV6_EX 0x00002000 83 84 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4) 85 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 86 87 #define ITAB_NUM 128 88 89 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ 90 struct ndis_obj_header hdr; 91 92 /* Qualifies the rest of the information */ 93 u16 flag; 94 95 /* The base CPU number to do receive processing. not used */ 96 u16 base_cpu_number; 97 98 /* This describes the hash function and type being enabled */ 99 u32 hashinfo; 100 101 /* The size of indirection table array */ 102 u16 indirect_tabsize; 103 104 /* The offset of the indirection table from the beginning of this 105 * structure 106 */ 107 u32 indirect_taboffset; 108 109 /* The size of the hash secret key */ 110 u16 hashkey_size; 111 112 /* The offset of the secret key from the beginning of this structure */ 113 u32 hashkey_offset; 114 115 u32 processor_masks_offset; 116 u32 num_processor_masks; 117 u32 processor_masks_entry_size; 118 }; 119 120 /* Fwd declaration */ 121 struct ndis_tcp_ip_checksum_info; 122 struct ndis_pkt_8021q_info; 123 124 /* 125 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame 126 * within the RNDIS 127 * 128 * The size of this structure is less than 48 bytes and we can now 129 * place this structure in the skb->cb field. 130 */ 131 struct hv_netvsc_packet { 132 /* Bookkeeping stuff */ 133 u8 cp_partial; /* partial copy into send buffer */ 134 135 u8 rmsg_size; /* RNDIS header and PPI size */ 136 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ 137 u8 page_buf_cnt; 138 139 u16 q_idx; 140 u16 total_packets; 141 142 u32 total_bytes; 143 u32 send_buf_index; 144 u32 total_data_buflen; 145 }; 146 147 #define NETVSC_HASH_KEYLEN 40 148 149 struct netvsc_device_info { 150 unsigned char mac_adr[ETH_ALEN]; 151 u32 num_chn; 152 u32 send_sections; 153 u32 recv_sections; 154 u32 send_section_size; 155 u32 recv_section_size; 156 157 u8 rss_key[NETVSC_HASH_KEYLEN]; 158 }; 159 160 enum rndis_device_state { 161 RNDIS_DEV_UNINITIALIZED = 0, 162 RNDIS_DEV_INITIALIZING, 163 RNDIS_DEV_INITIALIZED, 164 RNDIS_DEV_DATAINITIALIZED, 165 }; 166 167 struct rndis_device { 168 struct net_device *ndev; 169 170 enum rndis_device_state state; 171 172 atomic_t new_req_id; 173 174 spinlock_t request_lock; 175 struct list_head req_list; 176 177 struct work_struct mcast_work; 178 u32 filter; 179 180 bool link_state; /* 0 - link up, 1 - link down */ 181 182 u8 hw_mac_adr[ETH_ALEN]; 183 u8 rss_key[NETVSC_HASH_KEYLEN]; 184 u16 rx_table[ITAB_NUM]; 185 }; 186 187 188 /* Interface */ 189 struct rndis_message; 190 struct ndis_offload_params; 191 struct netvsc_device; 192 struct netvsc_channel; 193 struct net_device_context; 194 195 extern u32 netvsc_ring_bytes; 196 197 struct netvsc_device *netvsc_device_add(struct hv_device *device, 198 const struct netvsc_device_info *info); 199 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 200 void netvsc_device_remove(struct hv_device *device); 201 int netvsc_send(struct net_device *net, 202 struct hv_netvsc_packet *packet, 203 struct rndis_message *rndis_msg, 204 struct hv_page_buffer *page_buffer, 205 struct sk_buff *skb); 206 void netvsc_linkstatus_callback(struct net_device *net, 207 struct rndis_message *resp); 208 int netvsc_recv_callback(struct net_device *net, 209 struct netvsc_device *nvdev, 210 struct netvsc_channel *nvchan); 211 void netvsc_channel_cb(void *context); 212 int netvsc_poll(struct napi_struct *napi, int budget); 213 214 int rndis_set_subchannel(struct net_device *ndev, 215 struct netvsc_device *nvdev, 216 struct netvsc_device_info *dev_info); 217 int rndis_filter_open(struct netvsc_device *nvdev); 218 int rndis_filter_close(struct netvsc_device *nvdev); 219 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 220 struct netvsc_device_info *info); 221 void rndis_filter_update(struct netvsc_device *nvdev); 222 void rndis_filter_device_remove(struct hv_device *dev, 223 struct netvsc_device *nvdev); 224 int rndis_filter_set_rss_param(struct rndis_device *rdev, 225 const u8 *key); 226 int rndis_filter_set_offload_params(struct net_device *ndev, 227 struct netvsc_device *nvdev, 228 struct ndis_offload_params *req_offloads); 229 int rndis_filter_receive(struct net_device *ndev, 230 struct netvsc_device *net_dev, 231 struct netvsc_channel *nvchan, 232 void *data, u32 buflen); 233 234 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 235 const char *mac); 236 237 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 238 239 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 240 241 #define NVSP_PROTOCOL_VERSION_1 2 242 #define NVSP_PROTOCOL_VERSION_2 0x30002 243 #define NVSP_PROTOCOL_VERSION_4 0x40000 244 #define NVSP_PROTOCOL_VERSION_5 0x50000 245 #define NVSP_PROTOCOL_VERSION_6 0x60000 246 #define NVSP_PROTOCOL_VERSION_61 0x60001 247 248 enum { 249 NVSP_MSG_TYPE_NONE = 0, 250 251 /* Init Messages */ 252 NVSP_MSG_TYPE_INIT = 1, 253 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 254 255 NVSP_VERSION_MSG_START = 100, 256 257 /* Version 1 Messages */ 258 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 259 260 NVSP_MSG1_TYPE_SEND_RECV_BUF, 261 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 262 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 263 264 NVSP_MSG1_TYPE_SEND_SEND_BUF, 265 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 266 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 267 268 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 269 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 270 271 /* Version 2 messages */ 272 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 273 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 274 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 275 276 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 277 278 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 279 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 280 281 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 282 283 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 284 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 285 286 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 287 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 288 289 NVSP_MSG2_TYPE_ALLOC_RXBUF, 290 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 291 292 NVSP_MSG2_TYPE_FREE_RXBUF, 293 294 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 295 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 296 297 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 298 299 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 300 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 301 302 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 303 304 /* Version 4 messages */ 305 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 306 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 307 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 308 309 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 310 311 /* Version 5 messages */ 312 NVSP_MSG5_TYPE_OID_QUERY_EX, 313 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 314 NVSP_MSG5_TYPE_SUBCHANNEL, 315 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 316 317 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 318 319 /* Version 6 messages */ 320 NVSP_MSG6_TYPE_PD_API, 321 NVSP_MSG6_TYPE_PD_POST_BATCH, 322 323 NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH 324 }; 325 326 enum { 327 NVSP_STAT_NONE = 0, 328 NVSP_STAT_SUCCESS, 329 NVSP_STAT_FAIL, 330 NVSP_STAT_PROTOCOL_TOO_NEW, 331 NVSP_STAT_PROTOCOL_TOO_OLD, 332 NVSP_STAT_INVALID_RNDIS_PKT, 333 NVSP_STAT_BUSY, 334 NVSP_STAT_PROTOCOL_UNSUPPORTED, 335 NVSP_STAT_MAX, 336 }; 337 338 struct nvsp_message_header { 339 u32 msg_type; 340 }; 341 342 /* Init Messages */ 343 344 /* 345 * This message is used by the VSC to initialize the channel after the channels 346 * has been opened. This message should never include anything other then 347 * versioning (i.e. this message will be the same for ever). 348 */ 349 struct nvsp_message_init { 350 u32 min_protocol_ver; 351 u32 max_protocol_ver; 352 } __packed; 353 354 /* 355 * This message is used by the VSP to complete the initialization of the 356 * channel. This message should never include anything other then versioning 357 * (i.e. this message will be the same for ever). 358 */ 359 struct nvsp_message_init_complete { 360 u32 negotiated_protocol_ver; 361 u32 max_mdl_chain_len; 362 u32 status; 363 } __packed; 364 365 union nvsp_message_init_uber { 366 struct nvsp_message_init init; 367 struct nvsp_message_init_complete init_complete; 368 } __packed; 369 370 /* Version 1 Messages */ 371 372 /* 373 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 374 * can use this information when handling OIDs sent by the VSC. 375 */ 376 struct nvsp_1_message_send_ndis_version { 377 u32 ndis_major_ver; 378 u32 ndis_minor_ver; 379 } __packed; 380 381 /* 382 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 383 * can then use the receive buffer to send data to the VSC. 384 */ 385 struct nvsp_1_message_send_receive_buffer { 386 u32 gpadl_handle; 387 u16 id; 388 } __packed; 389 390 struct nvsp_1_receive_buffer_section { 391 u32 offset; 392 u32 sub_alloc_size; 393 u32 num_sub_allocs; 394 u32 end_offset; 395 } __packed; 396 397 /* 398 * This message is used by the VSP to acknowledge a receive buffer send by the 399 * VSC. This message must be sent by the VSP before the VSP uses the receive 400 * buffer. 401 */ 402 struct nvsp_1_message_send_receive_buffer_complete { 403 u32 status; 404 u32 num_sections; 405 406 /* 407 * The receive buffer is split into two parts, a large suballocation 408 * section and a small suballocation section. These sections are then 409 * suballocated by a certain size. 410 */ 411 412 /* 413 * For example, the following break up of the receive buffer has 6 414 * large suballocations and 10 small suballocations. 415 */ 416 417 /* 418 * | Large Section | | Small Section | 419 * ------------------------------------------------------------ 420 * | | | | | | | | | | | | | | | | | | 421 * | | 422 * LargeOffset SmallOffset 423 */ 424 425 struct nvsp_1_receive_buffer_section sections[1]; 426 } __packed; 427 428 /* 429 * This message is sent by the VSC to revoke the receive buffer. After the VSP 430 * completes this transaction, the vsp should never use the receive buffer 431 * again. 432 */ 433 struct nvsp_1_message_revoke_receive_buffer { 434 u16 id; 435 }; 436 437 /* 438 * This message is used by the VSC to send a send buffer to the VSP. The VSC 439 * can then use the send buffer to send data to the VSP. 440 */ 441 struct nvsp_1_message_send_send_buffer { 442 u32 gpadl_handle; 443 u16 id; 444 } __packed; 445 446 /* 447 * This message is used by the VSP to acknowledge a send buffer sent by the 448 * VSC. This message must be sent by the VSP before the VSP uses the sent 449 * buffer. 450 */ 451 struct nvsp_1_message_send_send_buffer_complete { 452 u32 status; 453 454 /* 455 * The VSC gets to choose the size of the send buffer and the VSP gets 456 * to choose the sections size of the buffer. This was done to enable 457 * dynamic reconfigurations when the cost of GPA-direct buffers 458 * decreases. 459 */ 460 u32 section_size; 461 } __packed; 462 463 /* 464 * This message is sent by the VSC to revoke the send buffer. After the VSP 465 * completes this transaction, the vsp should never use the send buffer again. 466 */ 467 struct nvsp_1_message_revoke_send_buffer { 468 u16 id; 469 }; 470 471 /* 472 * This message is used by both the VSP and the VSC to send a RNDIS message to 473 * the opposite channel endpoint. 474 */ 475 struct nvsp_1_message_send_rndis_packet { 476 /* 477 * This field is specified by RNDIS. They assume there's two different 478 * channels of communication. However, the Network VSP only has one. 479 * Therefore, the channel travels with the RNDIS packet. 480 */ 481 u32 channel_type; 482 483 /* 484 * This field is used to send part or all of the data through a send 485 * buffer. This values specifies an index into the send buffer. If the 486 * index is 0xFFFFFFFF, then the send buffer is not being used and all 487 * of the data was sent through other VMBus mechanisms. 488 */ 489 u32 send_buf_section_index; 490 u32 send_buf_section_size; 491 } __packed; 492 493 /* 494 * This message is used by both the VSP and the VSC to complete a RNDIS message 495 * to the opposite channel endpoint. At this point, the initiator of this 496 * message cannot use any resources associated with the original RNDIS packet. 497 */ 498 struct nvsp_1_message_send_rndis_packet_complete { 499 u32 status; 500 }; 501 502 union nvsp_1_message_uber { 503 struct nvsp_1_message_send_ndis_version send_ndis_ver; 504 505 struct nvsp_1_message_send_receive_buffer send_recv_buf; 506 struct nvsp_1_message_send_receive_buffer_complete 507 send_recv_buf_complete; 508 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 509 510 struct nvsp_1_message_send_send_buffer send_send_buf; 511 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 512 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 513 514 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 515 struct nvsp_1_message_send_rndis_packet_complete 516 send_rndis_pkt_complete; 517 } __packed; 518 519 520 /* 521 * Network VSP protocol version 2 messages: 522 */ 523 struct nvsp_2_vsc_capability { 524 union { 525 u64 data; 526 struct { 527 u64 vmq:1; 528 u64 chimney:1; 529 u64 sriov:1; 530 u64 ieee8021q:1; 531 u64 correlation_id:1; 532 u64 teaming:1; 533 u64 vsubnetid:1; 534 u64 rsc:1; 535 }; 536 }; 537 } __packed; 538 539 struct nvsp_2_send_ndis_config { 540 u32 mtu; 541 u32 reserved; 542 struct nvsp_2_vsc_capability capability; 543 } __packed; 544 545 /* Allocate receive buffer */ 546 struct nvsp_2_alloc_rxbuf { 547 /* Allocation ID to match the allocation request and response */ 548 u32 alloc_id; 549 550 /* Length of the VM shared memory receive buffer that needs to 551 * be allocated 552 */ 553 u32 len; 554 } __packed; 555 556 /* Allocate receive buffer complete */ 557 struct nvsp_2_alloc_rxbuf_comp { 558 /* The NDIS_STATUS code for buffer allocation */ 559 u32 status; 560 561 u32 alloc_id; 562 563 /* GPADL handle for the allocated receive buffer */ 564 u32 gpadl_handle; 565 566 /* Receive buffer ID */ 567 u64 recv_buf_id; 568 } __packed; 569 570 struct nvsp_2_free_rxbuf { 571 u64 recv_buf_id; 572 } __packed; 573 574 union nvsp_2_message_uber { 575 struct nvsp_2_send_ndis_config send_ndis_config; 576 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 577 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 578 struct nvsp_2_free_rxbuf free_rxbuf; 579 } __packed; 580 581 struct nvsp_4_send_vf_association { 582 /* 1: allocated, serial number is valid. 0: not allocated */ 583 u32 allocated; 584 585 /* Serial number of the VF to team with */ 586 u32 serial; 587 } __packed; 588 589 enum nvsp_vm_datapath { 590 NVSP_DATAPATH_SYNTHETIC = 0, 591 NVSP_DATAPATH_VF, 592 NVSP_DATAPATH_MAX 593 }; 594 595 struct nvsp_4_sw_datapath { 596 u32 active_datapath; /* active data path in VM */ 597 } __packed; 598 599 union nvsp_4_message_uber { 600 struct nvsp_4_send_vf_association vf_assoc; 601 struct nvsp_4_sw_datapath active_dp; 602 } __packed; 603 604 enum nvsp_subchannel_operation { 605 NVSP_SUBCHANNEL_NONE = 0, 606 NVSP_SUBCHANNEL_ALLOCATE, 607 NVSP_SUBCHANNEL_MAX 608 }; 609 610 struct nvsp_5_subchannel_request { 611 u32 op; 612 u32 num_subchannels; 613 } __packed; 614 615 struct nvsp_5_subchannel_complete { 616 u32 status; 617 u32 num_subchannels; /* Actual number of subchannels allocated */ 618 } __packed; 619 620 struct nvsp_5_send_indirect_table { 621 /* The number of entries in the send indirection table */ 622 u32 count; 623 624 /* The offset of the send indirection table from top of this struct. 625 * The send indirection table tells which channel to put the send 626 * traffic on. Each entry is a channel number. 627 */ 628 u32 offset; 629 } __packed; 630 631 union nvsp_5_message_uber { 632 struct nvsp_5_subchannel_request subchn_req; 633 struct nvsp_5_subchannel_complete subchn_comp; 634 struct nvsp_5_send_indirect_table send_table; 635 } __packed; 636 637 enum nvsp_6_pd_api_op { 638 PD_API_OP_CONFIG = 1, 639 PD_API_OP_SW_DATAPATH, /* Switch Datapath */ 640 PD_API_OP_OPEN_PROVIDER, 641 PD_API_OP_CLOSE_PROVIDER, 642 PD_API_OP_CREATE_QUEUE, 643 PD_API_OP_FLUSH_QUEUE, 644 PD_API_OP_FREE_QUEUE, 645 PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ 646 PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ 647 PD_API_OP_MAX 648 }; 649 650 struct grp_affinity { 651 u64 mask; 652 u16 grp; 653 u16 reserved[3]; 654 } __packed; 655 656 struct nvsp_6_pd_api_req { 657 u32 op; 658 659 union { 660 /* MMIO information is sent from the VM to VSP */ 661 struct __packed { 662 u64 mmio_pa; /* MMIO Physical Address */ 663 u32 mmio_len; 664 665 /* Number of PD queues a VM can support */ 666 u16 num_subchn; 667 } config; 668 669 /* Switch Datapath */ 670 struct __packed { 671 /* Host Datapath Is PacketDirect */ 672 u8 host_dpath_is_pd; 673 674 /* Guest PacketDirect Is Enabled */ 675 u8 guest_pd_enabled; 676 } sw_dpath; 677 678 /* Open Provider*/ 679 struct __packed { 680 u32 prov_id; /* Provider id */ 681 u32 flag; 682 } open_prov; 683 684 /* Close Provider */ 685 struct __packed { 686 u32 prov_id; 687 } cls_prov; 688 689 /* Create Queue*/ 690 struct __packed { 691 u32 prov_id; 692 u16 q_id; 693 u16 q_size; 694 u8 is_recv_q; 695 u8 is_rss_q; 696 u32 recv_data_len; 697 struct grp_affinity affy; 698 } cr_q; 699 700 /* Delete Queue*/ 701 struct __packed { 702 u32 prov_id; 703 u16 q_id; 704 } del_q; 705 706 /* Flush Queue */ 707 struct __packed { 708 u32 prov_id; 709 u16 q_id; 710 } flush_q; 711 712 /* Allocate Common Buffer */ 713 struct __packed { 714 u32 len; 715 u32 pf_node; /* Preferred Node */ 716 u16 region_id; 717 } alloc_com_buf; 718 719 /* Free Common Buffer */ 720 struct __packed { 721 u32 len; 722 u64 pa; /* Physical Address */ 723 u32 pf_node; /* Preferred Node */ 724 u16 region_id; 725 u8 cache_type; 726 } free_com_buf; 727 } __packed; 728 } __packed; 729 730 struct nvsp_6_pd_api_comp { 731 u32 op; 732 u32 status; 733 734 union { 735 struct __packed { 736 /* actual number of PD queues allocated to the VM */ 737 u16 num_pd_q; 738 739 /* Num Receive Rss PD Queues */ 740 u8 num_rss_q; 741 742 u8 is_supported; /* Is supported by VSP */ 743 u8 is_enabled; /* Is enabled by VSP */ 744 } config; 745 746 /* Open Provider */ 747 struct __packed { 748 u32 prov_id; 749 } open_prov; 750 751 /* Create Queue */ 752 struct __packed { 753 u32 prov_id; 754 u16 q_id; 755 u16 q_size; 756 u32 recv_data_len; 757 struct grp_affinity affy; 758 } cr_q; 759 760 /* Allocate Common Buffer */ 761 struct __packed { 762 u64 pa; /* Physical Address */ 763 u32 len; 764 u32 pf_node; /* Preferred Node */ 765 u16 region_id; 766 u8 cache_type; 767 } alloc_com_buf; 768 } __packed; 769 } __packed; 770 771 struct nvsp_6_pd_buf { 772 u32 region_offset; 773 u16 region_id; 774 u16 is_partial:1; 775 u16 reserved:15; 776 } __packed; 777 778 struct nvsp_6_pd_batch_msg { 779 struct nvsp_message_header hdr; 780 u16 count; 781 u16 guest2host:1; 782 u16 is_recv:1; 783 u16 reserved:14; 784 struct nvsp_6_pd_buf pd_buf[0]; 785 } __packed; 786 787 union nvsp_6_message_uber { 788 struct nvsp_6_pd_api_req pd_req; 789 struct nvsp_6_pd_api_comp pd_comp; 790 } __packed; 791 792 union nvsp_all_messages { 793 union nvsp_message_init_uber init_msg; 794 union nvsp_1_message_uber v1_msg; 795 union nvsp_2_message_uber v2_msg; 796 union nvsp_4_message_uber v4_msg; 797 union nvsp_5_message_uber v5_msg; 798 union nvsp_6_message_uber v6_msg; 799 } __packed; 800 801 /* ALL Messages */ 802 struct nvsp_message { 803 struct nvsp_message_header hdr; 804 union nvsp_all_messages msg; 805 } __packed; 806 807 808 #define NETVSC_MTU 65535 809 #define NETVSC_MTU_MIN ETH_MIN_MTU 810 811 /* Max buffer sizes allowed by a host */ 812 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ 813 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ 814 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) 815 816 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 817 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) 818 819 #define NETVSC_INVALID_INDEX -1 820 821 #define NETVSC_SEND_SECTION_SIZE 6144 822 #define NETVSC_RECV_SECTION_SIZE 1728 823 824 /* Default size of TX buf: 1MB, RX buf: 16MB */ 825 #define NETVSC_MIN_TX_SECTIONS 10 826 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ 827 / NETVSC_SEND_SECTION_SIZE) 828 #define NETVSC_MIN_RX_SECTIONS 10 829 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ 830 / NETVSC_RECV_SECTION_SIZE) 831 832 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 833 #define NETVSC_SEND_BUFFER_ID 0 834 835 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ 836 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ 837 NETIF_F_TSO6 | NETIF_F_LRO) 838 839 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 840 #define VRSS_CHANNEL_MAX 64 841 #define VRSS_CHANNEL_DEFAULT 8 842 843 #define RNDIS_MAX_PKT_DEFAULT 8 844 #define RNDIS_PKT_ALIGN_DEFAULT 8 845 846 struct multi_send_data { 847 struct sk_buff *skb; /* skb containing the pkt */ 848 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 849 u32 count; /* counter of batched packets */ 850 }; 851 852 struct recv_comp_data { 853 u64 tid; /* transaction id */ 854 u32 status; 855 }; 856 857 struct multi_recv_comp { 858 struct recv_comp_data *slots; 859 u32 first; /* first data entry */ 860 u32 next; /* next entry for writing */ 861 }; 862 863 #define NVSP_RSC_MAX 562 /* Max #RSC frags in a vmbus xfer page pkt */ 864 865 struct nvsc_rsc { 866 const struct ndis_pkt_8021q_info *vlan; 867 const struct ndis_tcp_ip_checksum_info *csum_info; 868 u8 is_last; /* last RNDIS msg in a vmtransfer_page */ 869 u32 cnt; /* #fragments in an RSC packet */ 870 u32 pktlen; /* Full packet length */ 871 void *data[NVSP_RSC_MAX]; 872 u32 len[NVSP_RSC_MAX]; 873 }; 874 875 struct netvsc_stats { 876 u64 packets; 877 u64 bytes; 878 u64 broadcast; 879 u64 multicast; 880 struct u64_stats_sync syncp; 881 }; 882 883 struct netvsc_ethtool_stats { 884 unsigned long tx_scattered; 885 unsigned long tx_no_memory; 886 unsigned long tx_no_space; 887 unsigned long tx_too_big; 888 unsigned long tx_busy; 889 unsigned long tx_send_full; 890 unsigned long rx_comp_busy; 891 unsigned long rx_no_memory; 892 unsigned long stop_queue; 893 unsigned long wake_queue; 894 }; 895 896 struct netvsc_ethtool_pcpu_stats { 897 u64 rx_packets; 898 u64 rx_bytes; 899 u64 tx_packets; 900 u64 tx_bytes; 901 u64 vf_rx_packets; 902 u64 vf_rx_bytes; 903 u64 vf_tx_packets; 904 u64 vf_tx_bytes; 905 }; 906 907 struct netvsc_vf_pcpu_stats { 908 u64 rx_packets; 909 u64 rx_bytes; 910 u64 tx_packets; 911 u64 tx_bytes; 912 struct u64_stats_sync syncp; 913 u32 tx_dropped; 914 }; 915 916 struct netvsc_reconfig { 917 struct list_head list; 918 u32 event; 919 }; 920 921 /* L4 hash bits for different protocols */ 922 #define HV_TCP4_L4HASH 1 923 #define HV_TCP6_L4HASH 2 924 #define HV_UDP4_L4HASH 4 925 #define HV_UDP6_L4HASH 8 926 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ 927 HV_UDP6_L4HASH) 928 929 /* The context of the netvsc device */ 930 struct net_device_context { 931 /* point back to our device context */ 932 struct hv_device *device_ctx; 933 /* netvsc_device */ 934 struct netvsc_device __rcu *nvdev; 935 /* list of netvsc net_devices */ 936 struct list_head list; 937 /* reconfigure work */ 938 struct delayed_work dwork; 939 /* last reconfig time */ 940 unsigned long last_reconfig; 941 /* reconfig events */ 942 struct list_head reconfig_events; 943 /* list protection */ 944 spinlock_t lock; 945 946 u32 msg_enable; /* debug level */ 947 948 u32 tx_checksum_mask; 949 950 u32 tx_table[VRSS_SEND_TAB_SIZE]; 951 952 /* Ethtool settings */ 953 u8 duplex; 954 u32 speed; 955 u32 l4_hash; /* L4 hash settings */ 956 struct netvsc_ethtool_stats eth_stats; 957 958 /* State to manage the associated VF interface. */ 959 struct net_device __rcu *vf_netdev; 960 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 961 struct delayed_work vf_takeover; 962 963 /* 1: allocated, serial number is valid. 0: not allocated */ 964 u32 vf_alloc; 965 /* Serial number of the VF to team with */ 966 u32 vf_serial; 967 }; 968 969 /* Per channel data */ 970 struct netvsc_channel { 971 struct vmbus_channel *channel; 972 struct netvsc_device *net_device; 973 const struct vmpacket_descriptor *desc; 974 struct napi_struct napi; 975 struct multi_send_data msd; 976 struct multi_recv_comp mrc; 977 atomic_t queue_sends; 978 struct nvsc_rsc rsc; 979 980 struct netvsc_stats tx_stats; 981 struct netvsc_stats rx_stats; 982 }; 983 984 /* Per netvsc device */ 985 struct netvsc_device { 986 u32 nvsp_version; 987 988 wait_queue_head_t wait_drain; 989 bool destroy; 990 bool tx_disable; /* if true, do not wake up queue again */ 991 992 /* Receive buffer allocated by us but manages by NetVSP */ 993 void *recv_buf; 994 u32 recv_buf_size; /* allocated bytes */ 995 u32 recv_buf_gpadl_handle; 996 u32 recv_section_cnt; 997 u32 recv_section_size; 998 u32 recv_completion_cnt; 999 1000 /* Send buffer allocated by us */ 1001 void *send_buf; 1002 u32 send_buf_gpadl_handle; 1003 u32 send_section_cnt; 1004 u32 send_section_size; 1005 unsigned long *send_section_map; 1006 1007 /* Used for NetVSP initialization protocol */ 1008 struct completion channel_init_wait; 1009 struct nvsp_message channel_init_pkt; 1010 1011 struct nvsp_message revoke_packet; 1012 1013 u32 max_chn; 1014 u32 num_chn; 1015 1016 atomic_t open_chn; 1017 struct work_struct subchan_work; 1018 wait_queue_head_t subchan_open; 1019 1020 struct rndis_device *extension; 1021 1022 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 1023 u32 pkt_align; /* alignment bytes, e.g. 8 */ 1024 1025 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 1026 1027 struct rcu_head rcu; 1028 }; 1029 1030 /* NdisInitialize message */ 1031 struct rndis_initialize_request { 1032 u32 req_id; 1033 u32 major_ver; 1034 u32 minor_ver; 1035 u32 max_xfer_size; 1036 }; 1037 1038 /* Response to NdisInitialize */ 1039 struct rndis_initialize_complete { 1040 u32 req_id; 1041 u32 status; 1042 u32 major_ver; 1043 u32 minor_ver; 1044 u32 dev_flags; 1045 u32 medium; 1046 u32 max_pkt_per_msg; 1047 u32 max_xfer_size; 1048 u32 pkt_alignment_factor; 1049 u32 af_list_offset; 1050 u32 af_list_size; 1051 }; 1052 1053 /* Call manager devices only: Information about an address family */ 1054 /* supported by the device is appended to the response to NdisInitialize. */ 1055 struct rndis_co_address_family { 1056 u32 address_family; 1057 u32 major_ver; 1058 u32 minor_ver; 1059 }; 1060 1061 /* NdisHalt message */ 1062 struct rndis_halt_request { 1063 u32 req_id; 1064 }; 1065 1066 /* NdisQueryRequest message */ 1067 struct rndis_query_request { 1068 u32 req_id; 1069 u32 oid; 1070 u32 info_buflen; 1071 u32 info_buf_offset; 1072 u32 dev_vc_handle; 1073 }; 1074 1075 /* Response to NdisQueryRequest */ 1076 struct rndis_query_complete { 1077 u32 req_id; 1078 u32 status; 1079 u32 info_buflen; 1080 u32 info_buf_offset; 1081 }; 1082 1083 /* NdisSetRequest message */ 1084 struct rndis_set_request { 1085 u32 req_id; 1086 u32 oid; 1087 u32 info_buflen; 1088 u32 info_buf_offset; 1089 u32 dev_vc_handle; 1090 }; 1091 1092 /* Response to NdisSetRequest */ 1093 struct rndis_set_complete { 1094 u32 req_id; 1095 u32 status; 1096 }; 1097 1098 /* NdisReset message */ 1099 struct rndis_reset_request { 1100 u32 reserved; 1101 }; 1102 1103 /* Response to NdisReset */ 1104 struct rndis_reset_complete { 1105 u32 status; 1106 u32 addressing_reset; 1107 }; 1108 1109 /* NdisMIndicateStatus message */ 1110 struct rndis_indicate_status { 1111 u32 status; 1112 u32 status_buflen; 1113 u32 status_buf_offset; 1114 }; 1115 1116 /* Diagnostic information passed as the status buffer in */ 1117 /* struct rndis_indicate_status messages signifying error conditions. */ 1118 struct rndis_diagnostic_info { 1119 u32 diag_status; 1120 u32 error_offset; 1121 }; 1122 1123 /* NdisKeepAlive message */ 1124 struct rndis_keepalive_request { 1125 u32 req_id; 1126 }; 1127 1128 /* Response to NdisKeepAlive */ 1129 struct rndis_keepalive_complete { 1130 u32 req_id; 1131 u32 status; 1132 }; 1133 1134 /* 1135 * Data message. All Offset fields contain byte offsets from the beginning of 1136 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 1137 * to 0 for connectionless data, otherwise it contains the VC handle. 1138 */ 1139 struct rndis_packet { 1140 u32 data_offset; 1141 u32 data_len; 1142 u32 oob_data_offset; 1143 u32 oob_data_len; 1144 u32 num_oob_data_elements; 1145 u32 per_pkt_info_offset; 1146 u32 per_pkt_info_len; 1147 u32 vc_handle; 1148 u32 reserved; 1149 }; 1150 1151 /* Optional Out of Band data associated with a Data message. */ 1152 struct rndis_oobd { 1153 u32 size; 1154 u32 type; 1155 u32 class_info_offset; 1156 }; 1157 1158 /* Packet extension field contents associated with a Data message. */ 1159 struct rndis_per_packet_info { 1160 u32 size; 1161 u32 type:31; 1162 u32 internal:1; 1163 u32 ppi_offset; 1164 }; 1165 1166 enum ndis_per_pkt_info_type { 1167 TCPIP_CHKSUM_PKTINFO, 1168 IPSEC_PKTINFO, 1169 TCP_LARGESEND_PKTINFO, 1170 CLASSIFICATION_HANDLE_PKTINFO, 1171 NDIS_RESERVED, 1172 SG_LIST_PKTINFO, 1173 IEEE_8021Q_INFO, 1174 ORIGINAL_PKTINFO, 1175 PACKET_CANCEL_ID, 1176 NBL_HASH_VALUE = PACKET_CANCEL_ID, 1177 ORIGINAL_NET_BUFLIST, 1178 CACHED_NET_BUFLIST, 1179 SHORT_PKT_PADINFO, 1180 MAX_PER_PKT_INFO 1181 }; 1182 1183 enum rndis_per_pkt_info_interal_type { 1184 RNDIS_PKTINFO_ID = 1, 1185 /* Add more members here */ 1186 1187 RNDIS_PKTINFO_MAX 1188 }; 1189 1190 #define RNDIS_PKTINFO_SUBALLOC BIT(0) 1191 #define RNDIS_PKTINFO_1ST_FRAG BIT(1) 1192 #define RNDIS_PKTINFO_LAST_FRAG BIT(2) 1193 1194 #define RNDIS_PKTINFO_ID_V1 1 1195 1196 struct rndis_pktinfo_id { 1197 u8 ver; 1198 u8 flag; 1199 u16 pkt_id; 1200 }; 1201 1202 struct ndis_pkt_8021q_info { 1203 union { 1204 struct { 1205 u32 pri:3; /* User Priority */ 1206 u32 cfi:1; /* Canonical Format ID */ 1207 u32 vlanid:12; /* VLAN ID */ 1208 u32 reserved:16; 1209 }; 1210 u32 value; 1211 }; 1212 }; 1213 1214 struct ndis_object_header { 1215 u8 type; 1216 u8 revision; 1217 u16 size; 1218 }; 1219 1220 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 1221 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 1222 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 1223 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 1224 1225 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 1226 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 1227 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 1228 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 1229 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 1230 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 1231 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 1232 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 1233 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 1234 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 1235 1236 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 1237 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 1238 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 1239 1240 #define VERSION_4_OFFLOAD_SIZE 22 1241 /* 1242 * New offload OIDs for NDIS 6 1243 */ 1244 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 1245 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1246 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1247 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1248 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1249 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1250 1251 /* 1252 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1253 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1254 */ 1255 1256 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1257 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1258 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1259 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1260 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1261 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1262 1263 struct ndis_csum_offload { 1264 u32 ip4_txenc; 1265 u32 ip4_txcsum; 1266 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1267 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1268 #define NDIS_TXCSUM_CAP_TCP4 0x010 1269 #define NDIS_TXCSUM_CAP_UDP4 0x040 1270 #define NDIS_TXCSUM_CAP_IP4 0x100 1271 1272 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1273 1274 u32 ip4_rxenc; 1275 u32 ip4_rxcsum; 1276 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1277 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1278 #define NDIS_RXCSUM_CAP_TCP4 0x010 1279 #define NDIS_RXCSUM_CAP_UDP4 0x040 1280 #define NDIS_RXCSUM_CAP_IP4 0x100 1281 u32 ip6_txenc; 1282 u32 ip6_txcsum; 1283 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1284 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1285 #define NDIS_TXCSUM_CAP_TCP6 0x010 1286 #define NDIS_TXCSUM_CAP_UDP6 0x040 1287 u32 ip6_rxenc; 1288 u32 ip6_rxcsum; 1289 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1290 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1291 #define NDIS_RXCSUM_CAP_TCP6 0x010 1292 #define NDIS_RXCSUM_CAP_UDP6 0x040 1293 1294 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1295 NDIS_TXCSUM_CAP_TCP6OPT | \ 1296 NDIS_TXCSUM_CAP_IP6EXT) 1297 }; 1298 1299 struct ndis_lsov1_offload { 1300 u32 encap; 1301 u32 maxsize; 1302 u32 minsegs; 1303 u32 opts; 1304 }; 1305 1306 struct ndis_ipsecv1_offload { 1307 u32 encap; 1308 u32 ah_esp; 1309 u32 xport_tun; 1310 u32 ip4_opts; 1311 u32 flags; 1312 u32 ip4_ah; 1313 u32 ip4_esp; 1314 }; 1315 1316 struct ndis_lsov2_offload { 1317 u32 ip4_encap; 1318 u32 ip4_maxsz; 1319 u32 ip4_minsg; 1320 u32 ip6_encap; 1321 u32 ip6_maxsz; 1322 u32 ip6_minsg; 1323 u32 ip6_opts; 1324 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1325 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1326 1327 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1328 NDIS_LSOV2_CAP_TCP6OPT) 1329 }; 1330 1331 struct ndis_ipsecv2_offload { 1332 u32 encap; 1333 u8 ip6; 1334 u8 ip4opt; 1335 u8 ip6ext; 1336 u8 ah; 1337 u8 esp; 1338 u8 ah_esp; 1339 u8 xport; 1340 u8 tun; 1341 u8 xport_tun; 1342 u8 lso; 1343 u8 extseq; 1344 u32 udp_esp; 1345 u32 auth; 1346 u32 crypto; 1347 u32 sa_caps; 1348 }; 1349 1350 struct ndis_rsc_offload { 1351 u8 ip4; 1352 u8 ip6; 1353 }; 1354 1355 struct ndis_encap_offload { 1356 u32 flags; 1357 u32 maxhdr; 1358 }; 1359 1360 struct ndis_offload { 1361 struct ndis_object_header header; 1362 struct ndis_csum_offload csum; 1363 struct ndis_lsov1_offload lsov1; 1364 struct ndis_ipsecv1_offload ipsecv1; 1365 struct ndis_lsov2_offload lsov2; 1366 u32 flags; 1367 /* NDIS >= 6.1 */ 1368 struct ndis_ipsecv2_offload ipsecv2; 1369 /* NDIS >= 6.30 */ 1370 struct ndis_rsc_offload rsc; 1371 struct ndis_encap_offload encap_gre; 1372 }; 1373 1374 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1375 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1376 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1377 1378 struct ndis_offload_params { 1379 struct ndis_object_header header; 1380 u8 ip_v4_csum; 1381 u8 tcp_ip_v4_csum; 1382 u8 udp_ip_v4_csum; 1383 u8 tcp_ip_v6_csum; 1384 u8 udp_ip_v6_csum; 1385 u8 lso_v1; 1386 u8 ip_sec_v1; 1387 u8 lso_v2_ipv4; 1388 u8 lso_v2_ipv6; 1389 u8 tcp_connection_ip_v4; 1390 u8 tcp_connection_ip_v6; 1391 u32 flags; 1392 u8 ip_sec_v2; 1393 u8 ip_sec_v2_ip_v4; 1394 struct { 1395 u8 rsc_ip_v4; 1396 u8 rsc_ip_v6; 1397 }; 1398 struct { 1399 u8 encapsulated_packet_task_offload; 1400 u8 encapsulation_types; 1401 }; 1402 }; 1403 1404 struct ndis_tcp_ip_checksum_info { 1405 union { 1406 struct { 1407 u32 is_ipv4:1; 1408 u32 is_ipv6:1; 1409 u32 tcp_checksum:1; 1410 u32 udp_checksum:1; 1411 u32 ip_header_checksum:1; 1412 u32 reserved:11; 1413 u32 tcp_header_offset:10; 1414 } transmit; 1415 struct { 1416 u32 tcp_checksum_failed:1; 1417 u32 udp_checksum_failed:1; 1418 u32 ip_checksum_failed:1; 1419 u32 tcp_checksum_succeeded:1; 1420 u32 udp_checksum_succeeded:1; 1421 u32 ip_checksum_succeeded:1; 1422 u32 loopback:1; 1423 u32 tcp_checksum_value_invalid:1; 1424 u32 ip_checksum_value_invalid:1; 1425 } receive; 1426 u32 value; 1427 }; 1428 }; 1429 1430 struct ndis_tcp_lso_info { 1431 union { 1432 struct { 1433 u32 unused:30; 1434 u32 type:1; 1435 u32 reserved2:1; 1436 } transmit; 1437 struct { 1438 u32 mss:20; 1439 u32 tcp_header_offset:10; 1440 u32 type:1; 1441 u32 reserved2:1; 1442 } lso_v1_transmit; 1443 struct { 1444 u32 tcp_payload:30; 1445 u32 type:1; 1446 u32 reserved2:1; 1447 } lso_v1_transmit_complete; 1448 struct { 1449 u32 mss:20; 1450 u32 tcp_header_offset:10; 1451 u32 type:1; 1452 u32 ip_version:1; 1453 } lso_v2_transmit; 1454 struct { 1455 u32 reserved:30; 1456 u32 type:1; 1457 u32 reserved2:1; 1458 } lso_v2_transmit_complete; 1459 u32 value; 1460 }; 1461 }; 1462 1463 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1464 sizeof(struct ndis_pkt_8021q_info)) 1465 1466 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1467 sizeof(struct ndis_tcp_ip_checksum_info)) 1468 1469 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1470 sizeof(struct ndis_tcp_lso_info)) 1471 1472 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1473 sizeof(u32)) 1474 1475 /* Total size of all PPI data */ 1476 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1477 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1478 1479 /* Format of Information buffer passed in a SetRequest for the OID */ 1480 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1481 struct rndis_config_parameter_info { 1482 u32 parameter_name_offset; 1483 u32 parameter_name_length; 1484 u32 parameter_type; 1485 u32 parameter_value_offset; 1486 u32 parameter_value_length; 1487 }; 1488 1489 /* Values for ParameterType in struct rndis_config_parameter_info */ 1490 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1491 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1492 1493 /* CONDIS Miniport messages for connection oriented devices */ 1494 /* that do not implement a call manager. */ 1495 1496 /* CoNdisMiniportCreateVc message */ 1497 struct rcondis_mp_create_vc { 1498 u32 req_id; 1499 u32 ndis_vc_handle; 1500 }; 1501 1502 /* Response to CoNdisMiniportCreateVc */ 1503 struct rcondis_mp_create_vc_complete { 1504 u32 req_id; 1505 u32 dev_vc_handle; 1506 u32 status; 1507 }; 1508 1509 /* CoNdisMiniportDeleteVc message */ 1510 struct rcondis_mp_delete_vc { 1511 u32 req_id; 1512 u32 dev_vc_handle; 1513 }; 1514 1515 /* Response to CoNdisMiniportDeleteVc */ 1516 struct rcondis_mp_delete_vc_complete { 1517 u32 req_id; 1518 u32 status; 1519 }; 1520 1521 /* CoNdisMiniportQueryRequest message */ 1522 struct rcondis_mp_query_request { 1523 u32 req_id; 1524 u32 request_type; 1525 u32 oid; 1526 u32 dev_vc_handle; 1527 u32 info_buflen; 1528 u32 info_buf_offset; 1529 }; 1530 1531 /* CoNdisMiniportSetRequest message */ 1532 struct rcondis_mp_set_request { 1533 u32 req_id; 1534 u32 request_type; 1535 u32 oid; 1536 u32 dev_vc_handle; 1537 u32 info_buflen; 1538 u32 info_buf_offset; 1539 }; 1540 1541 /* CoNdisIndicateStatus message */ 1542 struct rcondis_indicate_status { 1543 u32 ndis_vc_handle; 1544 u32 status; 1545 u32 status_buflen; 1546 u32 status_buf_offset; 1547 }; 1548 1549 /* CONDIS Call/VC parameters */ 1550 struct rcondis_specific_parameters { 1551 u32 parameter_type; 1552 u32 parameter_length; 1553 u32 parameter_lffset; 1554 }; 1555 1556 struct rcondis_media_parameters { 1557 u32 flags; 1558 u32 reserved1; 1559 u32 reserved2; 1560 struct rcondis_specific_parameters media_specific; 1561 }; 1562 1563 struct rndis_flowspec { 1564 u32 token_rate; 1565 u32 token_bucket_size; 1566 u32 peak_bandwidth; 1567 u32 latency; 1568 u32 delay_variation; 1569 u32 service_type; 1570 u32 max_sdu_size; 1571 u32 minimum_policed_size; 1572 }; 1573 1574 struct rcondis_call_manager_parameters { 1575 struct rndis_flowspec transmit; 1576 struct rndis_flowspec receive; 1577 struct rcondis_specific_parameters call_mgr_specific; 1578 }; 1579 1580 /* CoNdisMiniportActivateVc message */ 1581 struct rcondis_mp_activate_vc_request { 1582 u32 req_id; 1583 u32 flags; 1584 u32 dev_vc_handle; 1585 u32 media_params_offset; 1586 u32 media_params_length; 1587 u32 call_mgr_params_offset; 1588 u32 call_mgr_params_length; 1589 }; 1590 1591 /* Response to CoNdisMiniportActivateVc */ 1592 struct rcondis_mp_activate_vc_complete { 1593 u32 req_id; 1594 u32 status; 1595 }; 1596 1597 /* CoNdisMiniportDeactivateVc message */ 1598 struct rcondis_mp_deactivate_vc_request { 1599 u32 req_id; 1600 u32 flags; 1601 u32 dev_vc_handle; 1602 }; 1603 1604 /* Response to CoNdisMiniportDeactivateVc */ 1605 struct rcondis_mp_deactivate_vc_complete { 1606 u32 req_id; 1607 u32 status; 1608 }; 1609 1610 1611 /* union with all of the RNDIS messages */ 1612 union rndis_message_container { 1613 struct rndis_packet pkt; 1614 struct rndis_initialize_request init_req; 1615 struct rndis_halt_request halt_req; 1616 struct rndis_query_request query_req; 1617 struct rndis_set_request set_req; 1618 struct rndis_reset_request reset_req; 1619 struct rndis_keepalive_request keep_alive_req; 1620 struct rndis_indicate_status indicate_status; 1621 struct rndis_initialize_complete init_complete; 1622 struct rndis_query_complete query_complete; 1623 struct rndis_set_complete set_complete; 1624 struct rndis_reset_complete reset_complete; 1625 struct rndis_keepalive_complete keep_alive_complete; 1626 struct rcondis_mp_create_vc co_miniport_create_vc; 1627 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1628 struct rcondis_indicate_status co_indicate_status; 1629 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1630 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1631 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1632 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1633 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1634 struct rcondis_mp_deactivate_vc_complete 1635 co_miniport_deactivate_vc_complete; 1636 }; 1637 1638 /* Remote NDIS message format */ 1639 struct rndis_message { 1640 u32 ndis_msg_type; 1641 1642 /* Total length of this message, from the beginning */ 1643 /* of the struct rndis_message, in bytes. */ 1644 u32 msg_len; 1645 1646 /* Actual message */ 1647 union rndis_message_container msg; 1648 }; 1649 1650 1651 /* Handy macros */ 1652 1653 /* get the size of an RNDIS message. Pass in the message type, */ 1654 /* struct rndis_set_request, struct rndis_packet for example */ 1655 #define RNDIS_MESSAGE_SIZE(msg) \ 1656 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1657 sizeof(union rndis_message_container))) 1658 1659 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1660 sizeof(union rndis_message_container)) 1661 1662 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1663 1664 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1665 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1666 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1667 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1668 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1669 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1670 #define NDIS_PACKET_TYPE_SMT 0x00000040 1671 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1672 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1673 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1674 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1675 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1676 1677 #define TRANSPORT_INFO_NOT_IP 0 1678 #define TRANSPORT_INFO_IPV4_TCP 0x01 1679 #define TRANSPORT_INFO_IPV4_UDP 0x02 1680 #define TRANSPORT_INFO_IPV6_TCP 0x10 1681 #define TRANSPORT_INFO_IPV6_UDP 0x20 1682 1683 #endif /* _HYPERV_NET_H */ 1684