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