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