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 int ring_size; 150 u32 num_chn; 151 u32 send_sections; 152 u32 recv_sections; 153 }; 154 155 enum rndis_device_state { 156 RNDIS_DEV_UNINITIALIZED = 0, 157 RNDIS_DEV_INITIALIZING, 158 RNDIS_DEV_INITIALIZED, 159 RNDIS_DEV_DATAINITIALIZED, 160 }; 161 162 #define NETVSC_HASH_KEYLEN 40 163 164 struct rndis_device { 165 struct net_device *ndev; 166 167 enum rndis_device_state state; 168 169 atomic_t new_req_id; 170 171 spinlock_t request_lock; 172 struct list_head req_list; 173 174 struct work_struct mcast_work; 175 176 bool link_state; /* 0 - link up, 1 - link down */ 177 178 u8 hw_mac_adr[ETH_ALEN]; 179 u8 rss_key[NETVSC_HASH_KEYLEN]; 180 u16 ind_table[ITAB_NUM]; 181 }; 182 183 184 /* Interface */ 185 struct rndis_message; 186 struct netvsc_device; 187 struct net_device_context; 188 189 struct netvsc_device *netvsc_device_add(struct hv_device *device, 190 const struct netvsc_device_info *info); 191 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 192 void netvsc_device_remove(struct hv_device *device); 193 int netvsc_send(struct net_device_context *ndc, 194 struct hv_netvsc_packet *packet, 195 struct rndis_message *rndis_msg, 196 struct hv_page_buffer *page_buffer, 197 struct sk_buff *skb); 198 void netvsc_linkstatus_callback(struct hv_device *device_obj, 199 struct rndis_message *resp); 200 int netvsc_recv_callback(struct net_device *net, 201 struct vmbus_channel *channel, 202 void *data, u32 len, 203 const struct ndis_tcp_ip_checksum_info *csum_info, 204 const struct ndis_pkt_8021q_info *vlan); 205 void netvsc_channel_cb(void *context); 206 int netvsc_poll(struct napi_struct *napi, int budget); 207 bool rndis_filter_opened(const struct netvsc_device *nvdev); 208 int rndis_filter_open(struct netvsc_device *nvdev); 209 int rndis_filter_close(struct netvsc_device *nvdev); 210 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 211 struct netvsc_device_info *info); 212 void rndis_filter_update(struct netvsc_device *nvdev); 213 void rndis_filter_device_remove(struct hv_device *dev, 214 struct netvsc_device *nvdev); 215 int rndis_filter_set_rss_param(struct rndis_device *rdev, 216 const u8 *key); 217 int rndis_filter_receive(struct net_device *ndev, 218 struct netvsc_device *net_dev, 219 struct hv_device *dev, 220 struct vmbus_channel *channel, 221 void *data, u32 buflen); 222 223 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 224 const char *mac); 225 226 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 227 228 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 229 230 #define NVSP_PROTOCOL_VERSION_1 2 231 #define NVSP_PROTOCOL_VERSION_2 0x30002 232 #define NVSP_PROTOCOL_VERSION_4 0x40000 233 #define NVSP_PROTOCOL_VERSION_5 0x50000 234 235 enum { 236 NVSP_MSG_TYPE_NONE = 0, 237 238 /* Init Messages */ 239 NVSP_MSG_TYPE_INIT = 1, 240 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 241 242 NVSP_VERSION_MSG_START = 100, 243 244 /* Version 1 Messages */ 245 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 246 247 NVSP_MSG1_TYPE_SEND_RECV_BUF, 248 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 249 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 250 251 NVSP_MSG1_TYPE_SEND_SEND_BUF, 252 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 253 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 254 255 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 256 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 257 258 /* Version 2 messages */ 259 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 260 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 261 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 262 263 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 264 265 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 266 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 267 268 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 269 270 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 271 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 272 273 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 274 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 275 276 NVSP_MSG2_TYPE_ALLOC_RXBUF, 277 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 278 279 NVSP_MSG2_TYPE_FREE_RXBUF, 280 281 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 282 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 283 284 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 285 286 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 287 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 288 289 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 290 291 /* Version 4 messages */ 292 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 293 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 294 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 295 296 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 297 298 /* Version 5 messages */ 299 NVSP_MSG5_TYPE_OID_QUERY_EX, 300 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 301 NVSP_MSG5_TYPE_SUBCHANNEL, 302 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 303 304 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 305 }; 306 307 enum { 308 NVSP_STAT_NONE = 0, 309 NVSP_STAT_SUCCESS, 310 NVSP_STAT_FAIL, 311 NVSP_STAT_PROTOCOL_TOO_NEW, 312 NVSP_STAT_PROTOCOL_TOO_OLD, 313 NVSP_STAT_INVALID_RNDIS_PKT, 314 NVSP_STAT_BUSY, 315 NVSP_STAT_PROTOCOL_UNSUPPORTED, 316 NVSP_STAT_MAX, 317 }; 318 319 struct nvsp_message_header { 320 u32 msg_type; 321 }; 322 323 /* Init Messages */ 324 325 /* 326 * This message is used by the VSC to initialize the channel after the channels 327 * has been opened. This message should never include anything other then 328 * versioning (i.e. this message will be the same for ever). 329 */ 330 struct nvsp_message_init { 331 u32 min_protocol_ver; 332 u32 max_protocol_ver; 333 } __packed; 334 335 /* 336 * This message is used by the VSP to complete the initialization of the 337 * channel. This message should never include anything other then versioning 338 * (i.e. this message will be the same for ever). 339 */ 340 struct nvsp_message_init_complete { 341 u32 negotiated_protocol_ver; 342 u32 max_mdl_chain_len; 343 u32 status; 344 } __packed; 345 346 union nvsp_message_init_uber { 347 struct nvsp_message_init init; 348 struct nvsp_message_init_complete init_complete; 349 } __packed; 350 351 /* Version 1 Messages */ 352 353 /* 354 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 355 * can use this information when handling OIDs sent by the VSC. 356 */ 357 struct nvsp_1_message_send_ndis_version { 358 u32 ndis_major_ver; 359 u32 ndis_minor_ver; 360 } __packed; 361 362 /* 363 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 364 * can then use the receive buffer to send data to the VSC. 365 */ 366 struct nvsp_1_message_send_receive_buffer { 367 u32 gpadl_handle; 368 u16 id; 369 } __packed; 370 371 struct nvsp_1_receive_buffer_section { 372 u32 offset; 373 u32 sub_alloc_size; 374 u32 num_sub_allocs; 375 u32 end_offset; 376 } __packed; 377 378 /* 379 * This message is used by the VSP to acknowledge a receive buffer send by the 380 * VSC. This message must be sent by the VSP before the VSP uses the receive 381 * buffer. 382 */ 383 struct nvsp_1_message_send_receive_buffer_complete { 384 u32 status; 385 u32 num_sections; 386 387 /* 388 * The receive buffer is split into two parts, a large suballocation 389 * section and a small suballocation section. These sections are then 390 * suballocated by a certain size. 391 */ 392 393 /* 394 * For example, the following break up of the receive buffer has 6 395 * large suballocations and 10 small suballocations. 396 */ 397 398 /* 399 * | Large Section | | Small Section | 400 * ------------------------------------------------------------ 401 * | | | | | | | | | | | | | | | | | | 402 * | | 403 * LargeOffset SmallOffset 404 */ 405 406 struct nvsp_1_receive_buffer_section sections[1]; 407 } __packed; 408 409 /* 410 * This message is sent by the VSC to revoke the receive buffer. After the VSP 411 * completes this transaction, the vsp should never use the receive buffer 412 * again. 413 */ 414 struct nvsp_1_message_revoke_receive_buffer { 415 u16 id; 416 }; 417 418 /* 419 * This message is used by the VSC to send a send buffer to the VSP. The VSC 420 * can then use the send buffer to send data to the VSP. 421 */ 422 struct nvsp_1_message_send_send_buffer { 423 u32 gpadl_handle; 424 u16 id; 425 } __packed; 426 427 /* 428 * This message is used by the VSP to acknowledge a send buffer sent by the 429 * VSC. This message must be sent by the VSP before the VSP uses the sent 430 * buffer. 431 */ 432 struct nvsp_1_message_send_send_buffer_complete { 433 u32 status; 434 435 /* 436 * The VSC gets to choose the size of the send buffer and the VSP gets 437 * to choose the sections size of the buffer. This was done to enable 438 * dynamic reconfigurations when the cost of GPA-direct buffers 439 * decreases. 440 */ 441 u32 section_size; 442 } __packed; 443 444 /* 445 * This message is sent by the VSC to revoke the send buffer. After the VSP 446 * completes this transaction, the vsp should never use the send buffer again. 447 */ 448 struct nvsp_1_message_revoke_send_buffer { 449 u16 id; 450 }; 451 452 /* 453 * This message is used by both the VSP and the VSC to send a RNDIS message to 454 * the opposite channel endpoint. 455 */ 456 struct nvsp_1_message_send_rndis_packet { 457 /* 458 * This field is specified by RNDIS. They assume there's two different 459 * channels of communication. However, the Network VSP only has one. 460 * Therefore, the channel travels with the RNDIS packet. 461 */ 462 u32 channel_type; 463 464 /* 465 * This field is used to send part or all of the data through a send 466 * buffer. This values specifies an index into the send buffer. If the 467 * index is 0xFFFFFFFF, then the send buffer is not being used and all 468 * of the data was sent through other VMBus mechanisms. 469 */ 470 u32 send_buf_section_index; 471 u32 send_buf_section_size; 472 } __packed; 473 474 /* 475 * This message is used by both the VSP and the VSC to complete a RNDIS message 476 * to the opposite channel endpoint. At this point, the initiator of this 477 * message cannot use any resources associated with the original RNDIS packet. 478 */ 479 struct nvsp_1_message_send_rndis_packet_complete { 480 u32 status; 481 }; 482 483 union nvsp_1_message_uber { 484 struct nvsp_1_message_send_ndis_version send_ndis_ver; 485 486 struct nvsp_1_message_send_receive_buffer send_recv_buf; 487 struct nvsp_1_message_send_receive_buffer_complete 488 send_recv_buf_complete; 489 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 490 491 struct nvsp_1_message_send_send_buffer send_send_buf; 492 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 493 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 494 495 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 496 struct nvsp_1_message_send_rndis_packet_complete 497 send_rndis_pkt_complete; 498 } __packed; 499 500 501 /* 502 * Network VSP protocol version 2 messages: 503 */ 504 struct nvsp_2_vsc_capability { 505 union { 506 u64 data; 507 struct { 508 u64 vmq:1; 509 u64 chimney:1; 510 u64 sriov:1; 511 u64 ieee8021q:1; 512 u64 correlation_id:1; 513 u64 teaming:1; 514 }; 515 }; 516 } __packed; 517 518 struct nvsp_2_send_ndis_config { 519 u32 mtu; 520 u32 reserved; 521 struct nvsp_2_vsc_capability capability; 522 } __packed; 523 524 /* Allocate receive buffer */ 525 struct nvsp_2_alloc_rxbuf { 526 /* Allocation ID to match the allocation request and response */ 527 u32 alloc_id; 528 529 /* Length of the VM shared memory receive buffer that needs to 530 * be allocated 531 */ 532 u32 len; 533 } __packed; 534 535 /* Allocate receive buffer complete */ 536 struct nvsp_2_alloc_rxbuf_comp { 537 /* The NDIS_STATUS code for buffer allocation */ 538 u32 status; 539 540 u32 alloc_id; 541 542 /* GPADL handle for the allocated receive buffer */ 543 u32 gpadl_handle; 544 545 /* Receive buffer ID */ 546 u64 recv_buf_id; 547 } __packed; 548 549 struct nvsp_2_free_rxbuf { 550 u64 recv_buf_id; 551 } __packed; 552 553 union nvsp_2_message_uber { 554 struct nvsp_2_send_ndis_config send_ndis_config; 555 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 556 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 557 struct nvsp_2_free_rxbuf free_rxbuf; 558 } __packed; 559 560 struct nvsp_4_send_vf_association { 561 /* 1: allocated, serial number is valid. 0: not allocated */ 562 u32 allocated; 563 564 /* Serial number of the VF to team with */ 565 u32 serial; 566 } __packed; 567 568 enum nvsp_vm_datapath { 569 NVSP_DATAPATH_SYNTHETIC = 0, 570 NVSP_DATAPATH_VF, 571 NVSP_DATAPATH_MAX 572 }; 573 574 struct nvsp_4_sw_datapath { 575 u32 active_datapath; /* active data path in VM */ 576 } __packed; 577 578 union nvsp_4_message_uber { 579 struct nvsp_4_send_vf_association vf_assoc; 580 struct nvsp_4_sw_datapath active_dp; 581 } __packed; 582 583 enum nvsp_subchannel_operation { 584 NVSP_SUBCHANNEL_NONE = 0, 585 NVSP_SUBCHANNEL_ALLOCATE, 586 NVSP_SUBCHANNEL_MAX 587 }; 588 589 struct nvsp_5_subchannel_request { 590 u32 op; 591 u32 num_subchannels; 592 } __packed; 593 594 struct nvsp_5_subchannel_complete { 595 u32 status; 596 u32 num_subchannels; /* Actual number of subchannels allocated */ 597 } __packed; 598 599 struct nvsp_5_send_indirect_table { 600 /* The number of entries in the send indirection table */ 601 u32 count; 602 603 /* The offset of the send indirection table from top of this struct. 604 * The send indirection table tells which channel to put the send 605 * traffic on. Each entry is a channel number. 606 */ 607 u32 offset; 608 } __packed; 609 610 union nvsp_5_message_uber { 611 struct nvsp_5_subchannel_request subchn_req; 612 struct nvsp_5_subchannel_complete subchn_comp; 613 struct nvsp_5_send_indirect_table send_table; 614 } __packed; 615 616 union nvsp_all_messages { 617 union nvsp_message_init_uber init_msg; 618 union nvsp_1_message_uber v1_msg; 619 union nvsp_2_message_uber v2_msg; 620 union nvsp_4_message_uber v4_msg; 621 union nvsp_5_message_uber v5_msg; 622 } __packed; 623 624 /* ALL Messages */ 625 struct nvsp_message { 626 struct nvsp_message_header hdr; 627 union nvsp_all_messages msg; 628 } __packed; 629 630 631 #define NETVSC_MTU 65535 632 #define NETVSC_MTU_MIN ETH_MIN_MTU 633 634 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ 635 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ 636 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 637 #define NETVSC_INVALID_INDEX -1 638 639 #define NETVSC_SEND_SECTION_SIZE 6144 640 #define NETVSC_RECV_SECTION_SIZE 1728 641 642 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 643 #define NETVSC_SEND_BUFFER_ID 0 644 645 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 646 #define VRSS_CHANNEL_MAX 64 647 #define VRSS_CHANNEL_DEFAULT 8 648 649 #define RNDIS_MAX_PKT_DEFAULT 8 650 #define RNDIS_PKT_ALIGN_DEFAULT 8 651 652 struct multi_send_data { 653 struct sk_buff *skb; /* skb containing the pkt */ 654 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 655 u32 count; /* counter of batched packets */ 656 }; 657 658 struct recv_comp_data { 659 u64 tid; /* transaction id */ 660 u32 status; 661 }; 662 663 struct multi_recv_comp { 664 struct recv_comp_data *slots; 665 u32 first; /* first data entry */ 666 u32 next; /* next entry for writing */ 667 }; 668 669 struct netvsc_stats { 670 u64 packets; 671 u64 bytes; 672 u64 broadcast; 673 u64 multicast; 674 struct u64_stats_sync syncp; 675 }; 676 677 struct netvsc_ethtool_stats { 678 unsigned long tx_scattered; 679 unsigned long tx_no_memory; 680 unsigned long tx_no_space; 681 unsigned long tx_too_big; 682 unsigned long tx_busy; 683 unsigned long tx_send_full; 684 unsigned long rx_comp_busy; 685 }; 686 687 struct netvsc_vf_pcpu_stats { 688 u64 rx_packets; 689 u64 rx_bytes; 690 u64 tx_packets; 691 u64 tx_bytes; 692 struct u64_stats_sync syncp; 693 u32 tx_dropped; 694 }; 695 696 struct netvsc_reconfig { 697 struct list_head list; 698 u32 event; 699 }; 700 701 /* The context of the netvsc device */ 702 struct net_device_context { 703 /* point back to our device context */ 704 struct hv_device *device_ctx; 705 /* netvsc_device */ 706 struct netvsc_device __rcu *nvdev; 707 /* reconfigure work */ 708 struct delayed_work dwork; 709 /* last reconfig time */ 710 unsigned long last_reconfig; 711 /* reconfig events */ 712 struct list_head reconfig_events; 713 /* list protection */ 714 spinlock_t lock; 715 716 u32 msg_enable; /* debug level */ 717 718 u32 tx_checksum_mask; 719 720 u32 tx_send_table[VRSS_SEND_TAB_SIZE]; 721 722 /* Ethtool settings */ 723 bool udp4_l4_hash; 724 bool udp6_l4_hash; 725 u8 duplex; 726 u32 speed; 727 struct netvsc_ethtool_stats eth_stats; 728 729 /* State to manage the associated VF interface. */ 730 struct net_device __rcu *vf_netdev; 731 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 732 struct delayed_work vf_takeover; 733 734 /* 1: allocated, serial number is valid. 0: not allocated */ 735 u32 vf_alloc; 736 /* Serial number of the VF to team with */ 737 u32 vf_serial; 738 }; 739 740 /* Per channel data */ 741 struct netvsc_channel { 742 struct vmbus_channel *channel; 743 struct netvsc_device *net_device; 744 const struct vmpacket_descriptor *desc; 745 struct napi_struct napi; 746 struct multi_send_data msd; 747 struct multi_recv_comp mrc; 748 atomic_t queue_sends; 749 750 struct netvsc_stats tx_stats; 751 struct netvsc_stats rx_stats; 752 }; 753 754 /* Per netvsc device */ 755 struct netvsc_device { 756 u32 nvsp_version; 757 758 wait_queue_head_t wait_drain; 759 bool destroy; 760 761 /* Receive buffer allocated by us but manages by NetVSP */ 762 void *recv_buf; 763 u32 recv_buf_gpadl_handle; 764 u32 recv_section_cnt; 765 u32 recv_section_size; 766 u32 recv_completion_cnt; 767 768 /* Send buffer allocated by us */ 769 void *send_buf; 770 u32 send_buf_gpadl_handle; 771 u32 send_section_cnt; 772 u32 send_section_size; 773 unsigned long *send_section_map; 774 775 /* Used for NetVSP initialization protocol */ 776 struct completion channel_init_wait; 777 struct nvsp_message channel_init_pkt; 778 779 struct nvsp_message revoke_packet; 780 781 u32 max_chn; 782 u32 num_chn; 783 784 atomic_t open_chn; 785 wait_queue_head_t subchan_open; 786 787 struct rndis_device *extension; 788 789 int ring_size; 790 791 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 792 u32 pkt_align; /* alignment bytes, e.g. 8 */ 793 794 atomic_t open_cnt; 795 796 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 797 798 struct rcu_head rcu; 799 }; 800 801 /* NdisInitialize message */ 802 struct rndis_initialize_request { 803 u32 req_id; 804 u32 major_ver; 805 u32 minor_ver; 806 u32 max_xfer_size; 807 }; 808 809 /* Response to NdisInitialize */ 810 struct rndis_initialize_complete { 811 u32 req_id; 812 u32 status; 813 u32 major_ver; 814 u32 minor_ver; 815 u32 dev_flags; 816 u32 medium; 817 u32 max_pkt_per_msg; 818 u32 max_xfer_size; 819 u32 pkt_alignment_factor; 820 u32 af_list_offset; 821 u32 af_list_size; 822 }; 823 824 /* Call manager devices only: Information about an address family */ 825 /* supported by the device is appended to the response to NdisInitialize. */ 826 struct rndis_co_address_family { 827 u32 address_family; 828 u32 major_ver; 829 u32 minor_ver; 830 }; 831 832 /* NdisHalt message */ 833 struct rndis_halt_request { 834 u32 req_id; 835 }; 836 837 /* NdisQueryRequest message */ 838 struct rndis_query_request { 839 u32 req_id; 840 u32 oid; 841 u32 info_buflen; 842 u32 info_buf_offset; 843 u32 dev_vc_handle; 844 }; 845 846 /* Response to NdisQueryRequest */ 847 struct rndis_query_complete { 848 u32 req_id; 849 u32 status; 850 u32 info_buflen; 851 u32 info_buf_offset; 852 }; 853 854 /* NdisSetRequest message */ 855 struct rndis_set_request { 856 u32 req_id; 857 u32 oid; 858 u32 info_buflen; 859 u32 info_buf_offset; 860 u32 dev_vc_handle; 861 }; 862 863 /* Response to NdisSetRequest */ 864 struct rndis_set_complete { 865 u32 req_id; 866 u32 status; 867 }; 868 869 /* NdisReset message */ 870 struct rndis_reset_request { 871 u32 reserved; 872 }; 873 874 /* Response to NdisReset */ 875 struct rndis_reset_complete { 876 u32 status; 877 u32 addressing_reset; 878 }; 879 880 /* NdisMIndicateStatus message */ 881 struct rndis_indicate_status { 882 u32 status; 883 u32 status_buflen; 884 u32 status_buf_offset; 885 }; 886 887 /* Diagnostic information passed as the status buffer in */ 888 /* struct rndis_indicate_status messages signifying error conditions. */ 889 struct rndis_diagnostic_info { 890 u32 diag_status; 891 u32 error_offset; 892 }; 893 894 /* NdisKeepAlive message */ 895 struct rndis_keepalive_request { 896 u32 req_id; 897 }; 898 899 /* Response to NdisKeepAlive */ 900 struct rndis_keepalive_complete { 901 u32 req_id; 902 u32 status; 903 }; 904 905 /* 906 * Data message. All Offset fields contain byte offsets from the beginning of 907 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 908 * to 0 for connectionless data, otherwise it contains the VC handle. 909 */ 910 struct rndis_packet { 911 u32 data_offset; 912 u32 data_len; 913 u32 oob_data_offset; 914 u32 oob_data_len; 915 u32 num_oob_data_elements; 916 u32 per_pkt_info_offset; 917 u32 per_pkt_info_len; 918 u32 vc_handle; 919 u32 reserved; 920 }; 921 922 /* Optional Out of Band data associated with a Data message. */ 923 struct rndis_oobd { 924 u32 size; 925 u32 type; 926 u32 class_info_offset; 927 }; 928 929 /* Packet extension field contents associated with a Data message. */ 930 struct rndis_per_packet_info { 931 u32 size; 932 u32 type; 933 u32 ppi_offset; 934 }; 935 936 enum ndis_per_pkt_info_type { 937 TCPIP_CHKSUM_PKTINFO, 938 IPSEC_PKTINFO, 939 TCP_LARGESEND_PKTINFO, 940 CLASSIFICATION_HANDLE_PKTINFO, 941 NDIS_RESERVED, 942 SG_LIST_PKTINFO, 943 IEEE_8021Q_INFO, 944 ORIGINAL_PKTINFO, 945 PACKET_CANCEL_ID, 946 NBL_HASH_VALUE = PACKET_CANCEL_ID, 947 ORIGINAL_NET_BUFLIST, 948 CACHED_NET_BUFLIST, 949 SHORT_PKT_PADINFO, 950 MAX_PER_PKT_INFO 951 }; 952 953 struct ndis_pkt_8021q_info { 954 union { 955 struct { 956 u32 pri:3; /* User Priority */ 957 u32 cfi:1; /* Canonical Format ID */ 958 u32 vlanid:12; /* VLAN ID */ 959 u32 reserved:16; 960 }; 961 u32 value; 962 }; 963 }; 964 965 struct ndis_object_header { 966 u8 type; 967 u8 revision; 968 u16 size; 969 }; 970 971 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 972 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 973 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 974 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 975 976 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 977 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 978 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 979 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 980 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 981 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 982 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 983 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 984 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 985 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 986 987 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 988 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 989 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 990 991 #define VERSION_4_OFFLOAD_SIZE 22 992 /* 993 * New offload OIDs for NDIS 6 994 */ 995 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 996 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 997 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 998 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 999 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1000 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1001 1002 /* 1003 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1004 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1005 */ 1006 1007 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1008 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1009 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1010 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1011 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1012 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1013 1014 struct ndis_csum_offload { 1015 u32 ip4_txenc; 1016 u32 ip4_txcsum; 1017 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1018 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1019 #define NDIS_TXCSUM_CAP_TCP4 0x010 1020 #define NDIS_TXCSUM_CAP_UDP4 0x040 1021 #define NDIS_TXCSUM_CAP_IP4 0x100 1022 1023 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1024 1025 u32 ip4_rxenc; 1026 u32 ip4_rxcsum; 1027 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1028 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1029 #define NDIS_RXCSUM_CAP_TCP4 0x010 1030 #define NDIS_RXCSUM_CAP_UDP4 0x040 1031 #define NDIS_RXCSUM_CAP_IP4 0x100 1032 u32 ip6_txenc; 1033 u32 ip6_txcsum; 1034 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1035 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1036 #define NDIS_TXCSUM_CAP_TCP6 0x010 1037 #define NDIS_TXCSUM_CAP_UDP6 0x040 1038 u32 ip6_rxenc; 1039 u32 ip6_rxcsum; 1040 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1041 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1042 #define NDIS_RXCSUM_CAP_TCP6 0x010 1043 #define NDIS_RXCSUM_CAP_UDP6 0x040 1044 1045 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1046 NDIS_TXCSUM_CAP_TCP6OPT | \ 1047 NDIS_TXCSUM_CAP_IP6EXT) 1048 }; 1049 1050 struct ndis_lsov1_offload { 1051 u32 encap; 1052 u32 maxsize; 1053 u32 minsegs; 1054 u32 opts; 1055 }; 1056 1057 struct ndis_ipsecv1_offload { 1058 u32 encap; 1059 u32 ah_esp; 1060 u32 xport_tun; 1061 u32 ip4_opts; 1062 u32 flags; 1063 u32 ip4_ah; 1064 u32 ip4_esp; 1065 }; 1066 1067 struct ndis_lsov2_offload { 1068 u32 ip4_encap; 1069 u32 ip4_maxsz; 1070 u32 ip4_minsg; 1071 u32 ip6_encap; 1072 u32 ip6_maxsz; 1073 u32 ip6_minsg; 1074 u32 ip6_opts; 1075 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1076 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1077 1078 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1079 NDIS_LSOV2_CAP_TCP6OPT) 1080 }; 1081 1082 struct ndis_ipsecv2_offload { 1083 u32 encap; 1084 u16 ip6; 1085 u16 ip4opt; 1086 u16 ip6ext; 1087 u16 ah; 1088 u16 esp; 1089 u16 ah_esp; 1090 u16 xport; 1091 u16 tun; 1092 u16 xport_tun; 1093 u16 lso; 1094 u16 extseq; 1095 u32 udp_esp; 1096 u32 auth; 1097 u32 crypto; 1098 u32 sa_caps; 1099 }; 1100 1101 struct ndis_rsc_offload { 1102 u16 ip4; 1103 u16 ip6; 1104 }; 1105 1106 struct ndis_encap_offload { 1107 u32 flags; 1108 u32 maxhdr; 1109 }; 1110 1111 struct ndis_offload { 1112 struct ndis_object_header header; 1113 struct ndis_csum_offload csum; 1114 struct ndis_lsov1_offload lsov1; 1115 struct ndis_ipsecv1_offload ipsecv1; 1116 struct ndis_lsov2_offload lsov2; 1117 u32 flags; 1118 /* NDIS >= 6.1 */ 1119 struct ndis_ipsecv2_offload ipsecv2; 1120 /* NDIS >= 6.30 */ 1121 struct ndis_rsc_offload rsc; 1122 struct ndis_encap_offload encap_gre; 1123 }; 1124 1125 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1126 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1127 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1128 1129 struct ndis_offload_params { 1130 struct ndis_object_header header; 1131 u8 ip_v4_csum; 1132 u8 tcp_ip_v4_csum; 1133 u8 udp_ip_v4_csum; 1134 u8 tcp_ip_v6_csum; 1135 u8 udp_ip_v6_csum; 1136 u8 lso_v1; 1137 u8 ip_sec_v1; 1138 u8 lso_v2_ipv4; 1139 u8 lso_v2_ipv6; 1140 u8 tcp_connection_ip_v4; 1141 u8 tcp_connection_ip_v6; 1142 u32 flags; 1143 u8 ip_sec_v2; 1144 u8 ip_sec_v2_ip_v4; 1145 struct { 1146 u8 rsc_ip_v4; 1147 u8 rsc_ip_v6; 1148 }; 1149 struct { 1150 u8 encapsulated_packet_task_offload; 1151 u8 encapsulation_types; 1152 }; 1153 }; 1154 1155 struct ndis_tcp_ip_checksum_info { 1156 union { 1157 struct { 1158 u32 is_ipv4:1; 1159 u32 is_ipv6:1; 1160 u32 tcp_checksum:1; 1161 u32 udp_checksum:1; 1162 u32 ip_header_checksum:1; 1163 u32 reserved:11; 1164 u32 tcp_header_offset:10; 1165 } transmit; 1166 struct { 1167 u32 tcp_checksum_failed:1; 1168 u32 udp_checksum_failed:1; 1169 u32 ip_checksum_failed:1; 1170 u32 tcp_checksum_succeeded:1; 1171 u32 udp_checksum_succeeded:1; 1172 u32 ip_checksum_succeeded:1; 1173 u32 loopback:1; 1174 u32 tcp_checksum_value_invalid:1; 1175 u32 ip_checksum_value_invalid:1; 1176 } receive; 1177 u32 value; 1178 }; 1179 }; 1180 1181 struct ndis_tcp_lso_info { 1182 union { 1183 struct { 1184 u32 unused:30; 1185 u32 type:1; 1186 u32 reserved2:1; 1187 } transmit; 1188 struct { 1189 u32 mss:20; 1190 u32 tcp_header_offset:10; 1191 u32 type:1; 1192 u32 reserved2:1; 1193 } lso_v1_transmit; 1194 struct { 1195 u32 tcp_payload:30; 1196 u32 type:1; 1197 u32 reserved2:1; 1198 } lso_v1_transmit_complete; 1199 struct { 1200 u32 mss:20; 1201 u32 tcp_header_offset:10; 1202 u32 type:1; 1203 u32 ip_version:1; 1204 } lso_v2_transmit; 1205 struct { 1206 u32 reserved:30; 1207 u32 type:1; 1208 u32 reserved2:1; 1209 } lso_v2_transmit_complete; 1210 u32 value; 1211 }; 1212 }; 1213 1214 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1215 sizeof(struct ndis_pkt_8021q_info)) 1216 1217 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1218 sizeof(struct ndis_tcp_ip_checksum_info)) 1219 1220 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1221 sizeof(struct ndis_tcp_lso_info)) 1222 1223 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1224 sizeof(u32)) 1225 1226 /* Total size of all PPI data */ 1227 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1228 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1229 1230 /* Format of Information buffer passed in a SetRequest for the OID */ 1231 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1232 struct rndis_config_parameter_info { 1233 u32 parameter_name_offset; 1234 u32 parameter_name_length; 1235 u32 parameter_type; 1236 u32 parameter_value_offset; 1237 u32 parameter_value_length; 1238 }; 1239 1240 /* Values for ParameterType in struct rndis_config_parameter_info */ 1241 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1242 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1243 1244 /* CONDIS Miniport messages for connection oriented devices */ 1245 /* that do not implement a call manager. */ 1246 1247 /* CoNdisMiniportCreateVc message */ 1248 struct rcondis_mp_create_vc { 1249 u32 req_id; 1250 u32 ndis_vc_handle; 1251 }; 1252 1253 /* Response to CoNdisMiniportCreateVc */ 1254 struct rcondis_mp_create_vc_complete { 1255 u32 req_id; 1256 u32 dev_vc_handle; 1257 u32 status; 1258 }; 1259 1260 /* CoNdisMiniportDeleteVc message */ 1261 struct rcondis_mp_delete_vc { 1262 u32 req_id; 1263 u32 dev_vc_handle; 1264 }; 1265 1266 /* Response to CoNdisMiniportDeleteVc */ 1267 struct rcondis_mp_delete_vc_complete { 1268 u32 req_id; 1269 u32 status; 1270 }; 1271 1272 /* CoNdisMiniportQueryRequest message */ 1273 struct rcondis_mp_query_request { 1274 u32 req_id; 1275 u32 request_type; 1276 u32 oid; 1277 u32 dev_vc_handle; 1278 u32 info_buflen; 1279 u32 info_buf_offset; 1280 }; 1281 1282 /* CoNdisMiniportSetRequest message */ 1283 struct rcondis_mp_set_request { 1284 u32 req_id; 1285 u32 request_type; 1286 u32 oid; 1287 u32 dev_vc_handle; 1288 u32 info_buflen; 1289 u32 info_buf_offset; 1290 }; 1291 1292 /* CoNdisIndicateStatus message */ 1293 struct rcondis_indicate_status { 1294 u32 ndis_vc_handle; 1295 u32 status; 1296 u32 status_buflen; 1297 u32 status_buf_offset; 1298 }; 1299 1300 /* CONDIS Call/VC parameters */ 1301 struct rcondis_specific_parameters { 1302 u32 parameter_type; 1303 u32 parameter_length; 1304 u32 parameter_lffset; 1305 }; 1306 1307 struct rcondis_media_parameters { 1308 u32 flags; 1309 u32 reserved1; 1310 u32 reserved2; 1311 struct rcondis_specific_parameters media_specific; 1312 }; 1313 1314 struct rndis_flowspec { 1315 u32 token_rate; 1316 u32 token_bucket_size; 1317 u32 peak_bandwidth; 1318 u32 latency; 1319 u32 delay_variation; 1320 u32 service_type; 1321 u32 max_sdu_size; 1322 u32 minimum_policed_size; 1323 }; 1324 1325 struct rcondis_call_manager_parameters { 1326 struct rndis_flowspec transmit; 1327 struct rndis_flowspec receive; 1328 struct rcondis_specific_parameters call_mgr_specific; 1329 }; 1330 1331 /* CoNdisMiniportActivateVc message */ 1332 struct rcondis_mp_activate_vc_request { 1333 u32 req_id; 1334 u32 flags; 1335 u32 dev_vc_handle; 1336 u32 media_params_offset; 1337 u32 media_params_length; 1338 u32 call_mgr_params_offset; 1339 u32 call_mgr_params_length; 1340 }; 1341 1342 /* Response to CoNdisMiniportActivateVc */ 1343 struct rcondis_mp_activate_vc_complete { 1344 u32 req_id; 1345 u32 status; 1346 }; 1347 1348 /* CoNdisMiniportDeactivateVc message */ 1349 struct rcondis_mp_deactivate_vc_request { 1350 u32 req_id; 1351 u32 flags; 1352 u32 dev_vc_handle; 1353 }; 1354 1355 /* Response to CoNdisMiniportDeactivateVc */ 1356 struct rcondis_mp_deactivate_vc_complete { 1357 u32 req_id; 1358 u32 status; 1359 }; 1360 1361 1362 /* union with all of the RNDIS messages */ 1363 union rndis_message_container { 1364 struct rndis_packet pkt; 1365 struct rndis_initialize_request init_req; 1366 struct rndis_halt_request halt_req; 1367 struct rndis_query_request query_req; 1368 struct rndis_set_request set_req; 1369 struct rndis_reset_request reset_req; 1370 struct rndis_keepalive_request keep_alive_req; 1371 struct rndis_indicate_status indicate_status; 1372 struct rndis_initialize_complete init_complete; 1373 struct rndis_query_complete query_complete; 1374 struct rndis_set_complete set_complete; 1375 struct rndis_reset_complete reset_complete; 1376 struct rndis_keepalive_complete keep_alive_complete; 1377 struct rcondis_mp_create_vc co_miniport_create_vc; 1378 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1379 struct rcondis_indicate_status co_indicate_status; 1380 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1381 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1382 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1383 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1384 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1385 struct rcondis_mp_deactivate_vc_complete 1386 co_miniport_deactivate_vc_complete; 1387 }; 1388 1389 /* Remote NDIS message format */ 1390 struct rndis_message { 1391 u32 ndis_msg_type; 1392 1393 /* Total length of this message, from the beginning */ 1394 /* of the struct rndis_message, in bytes. */ 1395 u32 msg_len; 1396 1397 /* Actual message */ 1398 union rndis_message_container msg; 1399 }; 1400 1401 1402 /* Handy macros */ 1403 1404 /* get the size of an RNDIS message. Pass in the message type, */ 1405 /* struct rndis_set_request, struct rndis_packet for example */ 1406 #define RNDIS_MESSAGE_SIZE(msg) \ 1407 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1408 sizeof(union rndis_message_container))) 1409 1410 /* get pointer to info buffer with message pointer */ 1411 #define MESSAGE_TO_INFO_BUFFER(msg) \ 1412 (((unsigned char *)(msg)) + msg->info_buf_offset) 1413 1414 /* get pointer to status buffer with message pointer */ 1415 #define MESSAGE_TO_STATUS_BUFFER(msg) \ 1416 (((unsigned char *)(msg)) + msg->status_buf_offset) 1417 1418 /* get pointer to OOBD buffer with message pointer */ 1419 #define MESSAGE_TO_OOBD_BUFFER(msg) \ 1420 (((unsigned char *)(msg)) + msg->oob_data_offset) 1421 1422 /* get pointer to data buffer with message pointer */ 1423 #define MESSAGE_TO_DATA_BUFFER(msg) \ 1424 (((unsigned char *)(msg)) + msg->per_pkt_info_offset) 1425 1426 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1427 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1428 ((void *) &rndis_msg->msg) 1429 1430 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1431 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1432 ((void *) rndis_msg) 1433 1434 1435 1436 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1437 sizeof(union rndis_message_container)) 1438 1439 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1440 1441 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1442 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1443 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1444 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1445 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1446 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1447 #define NDIS_PACKET_TYPE_SMT 0x00000040 1448 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1449 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1450 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1451 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1452 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1453 1454 #define TRANSPORT_INFO_NOT_IP 0 1455 #define TRANSPORT_INFO_IPV4_TCP 0x01 1456 #define TRANSPORT_INFO_IPV4_UDP 0x02 1457 #define TRANSPORT_INFO_IPV6_TCP 0x10 1458 #define TRANSPORT_INFO_IPV6_UDP 0x20 1459 1460 #endif /* _HYPERV_NET_H */ 1461