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); 207 208 void rndis_set_subchannel(struct work_struct *w); 209 bool rndis_filter_opened(const struct netvsc_device *nvdev); 210 int rndis_filter_open(struct netvsc_device *nvdev); 211 int rndis_filter_close(struct netvsc_device *nvdev); 212 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 213 struct netvsc_device_info *info); 214 void rndis_filter_update(struct netvsc_device *nvdev); 215 void rndis_filter_device_remove(struct hv_device *dev, 216 struct netvsc_device *nvdev); 217 int rndis_filter_set_rss_param(struct rndis_device *rdev, 218 const u8 *key); 219 int rndis_filter_receive(struct net_device *ndev, 220 struct netvsc_device *net_dev, 221 struct hv_device *dev, 222 struct vmbus_channel *channel, 223 void *data, u32 buflen); 224 225 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 226 const char *mac); 227 228 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 229 230 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 231 232 #define NVSP_PROTOCOL_VERSION_1 2 233 #define NVSP_PROTOCOL_VERSION_2 0x30002 234 #define NVSP_PROTOCOL_VERSION_4 0x40000 235 #define NVSP_PROTOCOL_VERSION_5 0x50000 236 237 enum { 238 NVSP_MSG_TYPE_NONE = 0, 239 240 /* Init Messages */ 241 NVSP_MSG_TYPE_INIT = 1, 242 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 243 244 NVSP_VERSION_MSG_START = 100, 245 246 /* Version 1 Messages */ 247 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 248 249 NVSP_MSG1_TYPE_SEND_RECV_BUF, 250 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 251 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 252 253 NVSP_MSG1_TYPE_SEND_SEND_BUF, 254 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 255 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 256 257 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 258 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 259 260 /* Version 2 messages */ 261 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 262 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 263 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 264 265 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 266 267 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 268 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 269 270 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 271 272 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 273 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 274 275 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 276 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 277 278 NVSP_MSG2_TYPE_ALLOC_RXBUF, 279 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 280 281 NVSP_MSG2_TYPE_FREE_RXBUF, 282 283 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 284 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 285 286 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 287 288 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 289 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 290 291 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 292 293 /* Version 4 messages */ 294 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 295 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 296 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 297 298 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 299 300 /* Version 5 messages */ 301 NVSP_MSG5_TYPE_OID_QUERY_EX, 302 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 303 NVSP_MSG5_TYPE_SUBCHANNEL, 304 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 305 306 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 307 }; 308 309 enum { 310 NVSP_STAT_NONE = 0, 311 NVSP_STAT_SUCCESS, 312 NVSP_STAT_FAIL, 313 NVSP_STAT_PROTOCOL_TOO_NEW, 314 NVSP_STAT_PROTOCOL_TOO_OLD, 315 NVSP_STAT_INVALID_RNDIS_PKT, 316 NVSP_STAT_BUSY, 317 NVSP_STAT_PROTOCOL_UNSUPPORTED, 318 NVSP_STAT_MAX, 319 }; 320 321 struct nvsp_message_header { 322 u32 msg_type; 323 }; 324 325 /* Init Messages */ 326 327 /* 328 * This message is used by the VSC to initialize the channel after the channels 329 * has been opened. This message should never include anything other then 330 * versioning (i.e. this message will be the same for ever). 331 */ 332 struct nvsp_message_init { 333 u32 min_protocol_ver; 334 u32 max_protocol_ver; 335 } __packed; 336 337 /* 338 * This message is used by the VSP to complete the initialization of the 339 * channel. This message should never include anything other then versioning 340 * (i.e. this message will be the same for ever). 341 */ 342 struct nvsp_message_init_complete { 343 u32 negotiated_protocol_ver; 344 u32 max_mdl_chain_len; 345 u32 status; 346 } __packed; 347 348 union nvsp_message_init_uber { 349 struct nvsp_message_init init; 350 struct nvsp_message_init_complete init_complete; 351 } __packed; 352 353 /* Version 1 Messages */ 354 355 /* 356 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 357 * can use this information when handling OIDs sent by the VSC. 358 */ 359 struct nvsp_1_message_send_ndis_version { 360 u32 ndis_major_ver; 361 u32 ndis_minor_ver; 362 } __packed; 363 364 /* 365 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 366 * can then use the receive buffer to send data to the VSC. 367 */ 368 struct nvsp_1_message_send_receive_buffer { 369 u32 gpadl_handle; 370 u16 id; 371 } __packed; 372 373 struct nvsp_1_receive_buffer_section { 374 u32 offset; 375 u32 sub_alloc_size; 376 u32 num_sub_allocs; 377 u32 end_offset; 378 } __packed; 379 380 /* 381 * This message is used by the VSP to acknowledge a receive buffer send by the 382 * VSC. This message must be sent by the VSP before the VSP uses the receive 383 * buffer. 384 */ 385 struct nvsp_1_message_send_receive_buffer_complete { 386 u32 status; 387 u32 num_sections; 388 389 /* 390 * The receive buffer is split into two parts, a large suballocation 391 * section and a small suballocation section. These sections are then 392 * suballocated by a certain size. 393 */ 394 395 /* 396 * For example, the following break up of the receive buffer has 6 397 * large suballocations and 10 small suballocations. 398 */ 399 400 /* 401 * | Large Section | | Small Section | 402 * ------------------------------------------------------------ 403 * | | | | | | | | | | | | | | | | | | 404 * | | 405 * LargeOffset SmallOffset 406 */ 407 408 struct nvsp_1_receive_buffer_section sections[1]; 409 } __packed; 410 411 /* 412 * This message is sent by the VSC to revoke the receive buffer. After the VSP 413 * completes this transaction, the vsp should never use the receive buffer 414 * again. 415 */ 416 struct nvsp_1_message_revoke_receive_buffer { 417 u16 id; 418 }; 419 420 /* 421 * This message is used by the VSC to send a send buffer to the VSP. The VSC 422 * can then use the send buffer to send data to the VSP. 423 */ 424 struct nvsp_1_message_send_send_buffer { 425 u32 gpadl_handle; 426 u16 id; 427 } __packed; 428 429 /* 430 * This message is used by the VSP to acknowledge a send buffer sent by the 431 * VSC. This message must be sent by the VSP before the VSP uses the sent 432 * buffer. 433 */ 434 struct nvsp_1_message_send_send_buffer_complete { 435 u32 status; 436 437 /* 438 * The VSC gets to choose the size of the send buffer and the VSP gets 439 * to choose the sections size of the buffer. This was done to enable 440 * dynamic reconfigurations when the cost of GPA-direct buffers 441 * decreases. 442 */ 443 u32 section_size; 444 } __packed; 445 446 /* 447 * This message is sent by the VSC to revoke the send buffer. After the VSP 448 * completes this transaction, the vsp should never use the send buffer again. 449 */ 450 struct nvsp_1_message_revoke_send_buffer { 451 u16 id; 452 }; 453 454 /* 455 * This message is used by both the VSP and the VSC to send a RNDIS message to 456 * the opposite channel endpoint. 457 */ 458 struct nvsp_1_message_send_rndis_packet { 459 /* 460 * This field is specified by RNDIS. They assume there's two different 461 * channels of communication. However, the Network VSP only has one. 462 * Therefore, the channel travels with the RNDIS packet. 463 */ 464 u32 channel_type; 465 466 /* 467 * This field is used to send part or all of the data through a send 468 * buffer. This values specifies an index into the send buffer. If the 469 * index is 0xFFFFFFFF, then the send buffer is not being used and all 470 * of the data was sent through other VMBus mechanisms. 471 */ 472 u32 send_buf_section_index; 473 u32 send_buf_section_size; 474 } __packed; 475 476 /* 477 * This message is used by both the VSP and the VSC to complete a RNDIS message 478 * to the opposite channel endpoint. At this point, the initiator of this 479 * message cannot use any resources associated with the original RNDIS packet. 480 */ 481 struct nvsp_1_message_send_rndis_packet_complete { 482 u32 status; 483 }; 484 485 union nvsp_1_message_uber { 486 struct nvsp_1_message_send_ndis_version send_ndis_ver; 487 488 struct nvsp_1_message_send_receive_buffer send_recv_buf; 489 struct nvsp_1_message_send_receive_buffer_complete 490 send_recv_buf_complete; 491 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 492 493 struct nvsp_1_message_send_send_buffer send_send_buf; 494 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 495 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 496 497 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 498 struct nvsp_1_message_send_rndis_packet_complete 499 send_rndis_pkt_complete; 500 } __packed; 501 502 503 /* 504 * Network VSP protocol version 2 messages: 505 */ 506 struct nvsp_2_vsc_capability { 507 union { 508 u64 data; 509 struct { 510 u64 vmq:1; 511 u64 chimney:1; 512 u64 sriov:1; 513 u64 ieee8021q:1; 514 u64 correlation_id:1; 515 u64 teaming:1; 516 }; 517 }; 518 } __packed; 519 520 struct nvsp_2_send_ndis_config { 521 u32 mtu; 522 u32 reserved; 523 struct nvsp_2_vsc_capability capability; 524 } __packed; 525 526 /* Allocate receive buffer */ 527 struct nvsp_2_alloc_rxbuf { 528 /* Allocation ID to match the allocation request and response */ 529 u32 alloc_id; 530 531 /* Length of the VM shared memory receive buffer that needs to 532 * be allocated 533 */ 534 u32 len; 535 } __packed; 536 537 /* Allocate receive buffer complete */ 538 struct nvsp_2_alloc_rxbuf_comp { 539 /* The NDIS_STATUS code for buffer allocation */ 540 u32 status; 541 542 u32 alloc_id; 543 544 /* GPADL handle for the allocated receive buffer */ 545 u32 gpadl_handle; 546 547 /* Receive buffer ID */ 548 u64 recv_buf_id; 549 } __packed; 550 551 struct nvsp_2_free_rxbuf { 552 u64 recv_buf_id; 553 } __packed; 554 555 union nvsp_2_message_uber { 556 struct nvsp_2_send_ndis_config send_ndis_config; 557 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 558 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 559 struct nvsp_2_free_rxbuf free_rxbuf; 560 } __packed; 561 562 struct nvsp_4_send_vf_association { 563 /* 1: allocated, serial number is valid. 0: not allocated */ 564 u32 allocated; 565 566 /* Serial number of the VF to team with */ 567 u32 serial; 568 } __packed; 569 570 enum nvsp_vm_datapath { 571 NVSP_DATAPATH_SYNTHETIC = 0, 572 NVSP_DATAPATH_VF, 573 NVSP_DATAPATH_MAX 574 }; 575 576 struct nvsp_4_sw_datapath { 577 u32 active_datapath; /* active data path in VM */ 578 } __packed; 579 580 union nvsp_4_message_uber { 581 struct nvsp_4_send_vf_association vf_assoc; 582 struct nvsp_4_sw_datapath active_dp; 583 } __packed; 584 585 enum nvsp_subchannel_operation { 586 NVSP_SUBCHANNEL_NONE = 0, 587 NVSP_SUBCHANNEL_ALLOCATE, 588 NVSP_SUBCHANNEL_MAX 589 }; 590 591 struct nvsp_5_subchannel_request { 592 u32 op; 593 u32 num_subchannels; 594 } __packed; 595 596 struct nvsp_5_subchannel_complete { 597 u32 status; 598 u32 num_subchannels; /* Actual number of subchannels allocated */ 599 } __packed; 600 601 struct nvsp_5_send_indirect_table { 602 /* The number of entries in the send indirection table */ 603 u32 count; 604 605 /* The offset of the send indirection table from top of this struct. 606 * The send indirection table tells which channel to put the send 607 * traffic on. Each entry is a channel number. 608 */ 609 u32 offset; 610 } __packed; 611 612 union nvsp_5_message_uber { 613 struct nvsp_5_subchannel_request subchn_req; 614 struct nvsp_5_subchannel_complete subchn_comp; 615 struct nvsp_5_send_indirect_table send_table; 616 } __packed; 617 618 union nvsp_all_messages { 619 union nvsp_message_init_uber init_msg; 620 union nvsp_1_message_uber v1_msg; 621 union nvsp_2_message_uber v2_msg; 622 union nvsp_4_message_uber v4_msg; 623 union nvsp_5_message_uber v5_msg; 624 } __packed; 625 626 /* ALL Messages */ 627 struct nvsp_message { 628 struct nvsp_message_header hdr; 629 union nvsp_all_messages msg; 630 } __packed; 631 632 633 #define NETVSC_MTU 65535 634 #define NETVSC_MTU_MIN ETH_MIN_MTU 635 636 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ 637 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ 638 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 639 #define NETVSC_INVALID_INDEX -1 640 641 #define NETVSC_SEND_SECTION_SIZE 6144 642 #define NETVSC_RECV_SECTION_SIZE 1728 643 644 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 645 #define NETVSC_SEND_BUFFER_ID 0 646 647 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 648 #define VRSS_CHANNEL_MAX 64 649 #define VRSS_CHANNEL_DEFAULT 8 650 651 #define RNDIS_MAX_PKT_DEFAULT 8 652 #define RNDIS_PKT_ALIGN_DEFAULT 8 653 654 struct multi_send_data { 655 struct sk_buff *skb; /* skb containing the pkt */ 656 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 657 u32 count; /* counter of batched packets */ 658 }; 659 660 struct recv_comp_data { 661 u64 tid; /* transaction id */ 662 u32 status; 663 }; 664 665 struct multi_recv_comp { 666 struct recv_comp_data *slots; 667 u32 first; /* first data entry */ 668 u32 next; /* next entry for writing */ 669 }; 670 671 struct netvsc_stats { 672 u64 packets; 673 u64 bytes; 674 u64 broadcast; 675 u64 multicast; 676 struct u64_stats_sync syncp; 677 }; 678 679 struct netvsc_ethtool_stats { 680 unsigned long tx_scattered; 681 unsigned long tx_no_memory; 682 unsigned long tx_no_space; 683 unsigned long tx_too_big; 684 unsigned long tx_busy; 685 unsigned long tx_send_full; 686 unsigned long rx_comp_busy; 687 }; 688 689 struct netvsc_vf_pcpu_stats { 690 u64 rx_packets; 691 u64 rx_bytes; 692 u64 tx_packets; 693 u64 tx_bytes; 694 struct u64_stats_sync syncp; 695 u32 tx_dropped; 696 }; 697 698 struct netvsc_reconfig { 699 struct list_head list; 700 u32 event; 701 }; 702 703 /* The context of the netvsc device */ 704 struct net_device_context { 705 /* point back to our device context */ 706 struct hv_device *device_ctx; 707 /* netvsc_device */ 708 struct netvsc_device __rcu *nvdev; 709 /* reconfigure work */ 710 struct delayed_work dwork; 711 /* last reconfig time */ 712 unsigned long last_reconfig; 713 /* reconfig events */ 714 struct list_head reconfig_events; 715 /* list protection */ 716 spinlock_t lock; 717 718 u32 msg_enable; /* debug level */ 719 720 u32 tx_checksum_mask; 721 722 u32 tx_send_table[VRSS_SEND_TAB_SIZE]; 723 724 /* Ethtool settings */ 725 bool udp4_l4_hash; 726 bool udp6_l4_hash; 727 u8 duplex; 728 u32 speed; 729 struct netvsc_ethtool_stats eth_stats; 730 731 /* State to manage the associated VF interface. */ 732 struct net_device __rcu *vf_netdev; 733 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 734 struct delayed_work vf_takeover; 735 736 /* 1: allocated, serial number is valid. 0: not allocated */ 737 u32 vf_alloc; 738 /* Serial number of the VF to team with */ 739 u32 vf_serial; 740 }; 741 742 /* Per channel data */ 743 struct netvsc_channel { 744 struct vmbus_channel *channel; 745 struct netvsc_device *net_device; 746 const struct vmpacket_descriptor *desc; 747 struct napi_struct napi; 748 struct multi_send_data msd; 749 struct multi_recv_comp mrc; 750 atomic_t queue_sends; 751 752 struct netvsc_stats tx_stats; 753 struct netvsc_stats rx_stats; 754 }; 755 756 /* Per netvsc device */ 757 struct netvsc_device { 758 u32 nvsp_version; 759 760 wait_queue_head_t wait_drain; 761 bool destroy; 762 763 /* Receive buffer allocated by us but manages by NetVSP */ 764 void *recv_buf; 765 u32 recv_buf_gpadl_handle; 766 u32 recv_section_cnt; 767 u32 recv_section_size; 768 u32 recv_completion_cnt; 769 770 /* Send buffer allocated by us */ 771 void *send_buf; 772 u32 send_buf_gpadl_handle; 773 u32 send_section_cnt; 774 u32 send_section_size; 775 unsigned long *send_section_map; 776 777 /* Used for NetVSP initialization protocol */ 778 struct completion channel_init_wait; 779 struct nvsp_message channel_init_pkt; 780 781 struct nvsp_message revoke_packet; 782 783 u32 max_chn; 784 u32 num_chn; 785 786 atomic_t open_chn; 787 struct work_struct subchan_work; 788 wait_queue_head_t subchan_open; 789 790 struct rndis_device *extension; 791 792 int ring_size; 793 794 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 795 u32 pkt_align; /* alignment bytes, e.g. 8 */ 796 797 atomic_t open_cnt; 798 799 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 800 801 struct rcu_head rcu; 802 }; 803 804 /* NdisInitialize message */ 805 struct rndis_initialize_request { 806 u32 req_id; 807 u32 major_ver; 808 u32 minor_ver; 809 u32 max_xfer_size; 810 }; 811 812 /* Response to NdisInitialize */ 813 struct rndis_initialize_complete { 814 u32 req_id; 815 u32 status; 816 u32 major_ver; 817 u32 minor_ver; 818 u32 dev_flags; 819 u32 medium; 820 u32 max_pkt_per_msg; 821 u32 max_xfer_size; 822 u32 pkt_alignment_factor; 823 u32 af_list_offset; 824 u32 af_list_size; 825 }; 826 827 /* Call manager devices only: Information about an address family */ 828 /* supported by the device is appended to the response to NdisInitialize. */ 829 struct rndis_co_address_family { 830 u32 address_family; 831 u32 major_ver; 832 u32 minor_ver; 833 }; 834 835 /* NdisHalt message */ 836 struct rndis_halt_request { 837 u32 req_id; 838 }; 839 840 /* NdisQueryRequest message */ 841 struct rndis_query_request { 842 u32 req_id; 843 u32 oid; 844 u32 info_buflen; 845 u32 info_buf_offset; 846 u32 dev_vc_handle; 847 }; 848 849 /* Response to NdisQueryRequest */ 850 struct rndis_query_complete { 851 u32 req_id; 852 u32 status; 853 u32 info_buflen; 854 u32 info_buf_offset; 855 }; 856 857 /* NdisSetRequest message */ 858 struct rndis_set_request { 859 u32 req_id; 860 u32 oid; 861 u32 info_buflen; 862 u32 info_buf_offset; 863 u32 dev_vc_handle; 864 }; 865 866 /* Response to NdisSetRequest */ 867 struct rndis_set_complete { 868 u32 req_id; 869 u32 status; 870 }; 871 872 /* NdisReset message */ 873 struct rndis_reset_request { 874 u32 reserved; 875 }; 876 877 /* Response to NdisReset */ 878 struct rndis_reset_complete { 879 u32 status; 880 u32 addressing_reset; 881 }; 882 883 /* NdisMIndicateStatus message */ 884 struct rndis_indicate_status { 885 u32 status; 886 u32 status_buflen; 887 u32 status_buf_offset; 888 }; 889 890 /* Diagnostic information passed as the status buffer in */ 891 /* struct rndis_indicate_status messages signifying error conditions. */ 892 struct rndis_diagnostic_info { 893 u32 diag_status; 894 u32 error_offset; 895 }; 896 897 /* NdisKeepAlive message */ 898 struct rndis_keepalive_request { 899 u32 req_id; 900 }; 901 902 /* Response to NdisKeepAlive */ 903 struct rndis_keepalive_complete { 904 u32 req_id; 905 u32 status; 906 }; 907 908 /* 909 * Data message. All Offset fields contain byte offsets from the beginning of 910 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 911 * to 0 for connectionless data, otherwise it contains the VC handle. 912 */ 913 struct rndis_packet { 914 u32 data_offset; 915 u32 data_len; 916 u32 oob_data_offset; 917 u32 oob_data_len; 918 u32 num_oob_data_elements; 919 u32 per_pkt_info_offset; 920 u32 per_pkt_info_len; 921 u32 vc_handle; 922 u32 reserved; 923 }; 924 925 /* Optional Out of Band data associated with a Data message. */ 926 struct rndis_oobd { 927 u32 size; 928 u32 type; 929 u32 class_info_offset; 930 }; 931 932 /* Packet extension field contents associated with a Data message. */ 933 struct rndis_per_packet_info { 934 u32 size; 935 u32 type; 936 u32 ppi_offset; 937 }; 938 939 enum ndis_per_pkt_info_type { 940 TCPIP_CHKSUM_PKTINFO, 941 IPSEC_PKTINFO, 942 TCP_LARGESEND_PKTINFO, 943 CLASSIFICATION_HANDLE_PKTINFO, 944 NDIS_RESERVED, 945 SG_LIST_PKTINFO, 946 IEEE_8021Q_INFO, 947 ORIGINAL_PKTINFO, 948 PACKET_CANCEL_ID, 949 NBL_HASH_VALUE = PACKET_CANCEL_ID, 950 ORIGINAL_NET_BUFLIST, 951 CACHED_NET_BUFLIST, 952 SHORT_PKT_PADINFO, 953 MAX_PER_PKT_INFO 954 }; 955 956 struct ndis_pkt_8021q_info { 957 union { 958 struct { 959 u32 pri:3; /* User Priority */ 960 u32 cfi:1; /* Canonical Format ID */ 961 u32 vlanid:12; /* VLAN ID */ 962 u32 reserved:16; 963 }; 964 u32 value; 965 }; 966 }; 967 968 struct ndis_object_header { 969 u8 type; 970 u8 revision; 971 u16 size; 972 }; 973 974 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 975 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 976 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 977 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 978 979 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 980 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 981 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 982 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 983 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 984 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 985 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 986 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 987 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 988 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 989 990 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 991 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 992 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 993 994 #define VERSION_4_OFFLOAD_SIZE 22 995 /* 996 * New offload OIDs for NDIS 6 997 */ 998 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 999 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1000 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1001 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1002 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1003 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1004 1005 /* 1006 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1007 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1008 */ 1009 1010 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1011 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1012 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1013 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1014 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1015 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1016 1017 struct ndis_csum_offload { 1018 u32 ip4_txenc; 1019 u32 ip4_txcsum; 1020 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1021 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1022 #define NDIS_TXCSUM_CAP_TCP4 0x010 1023 #define NDIS_TXCSUM_CAP_UDP4 0x040 1024 #define NDIS_TXCSUM_CAP_IP4 0x100 1025 1026 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1027 1028 u32 ip4_rxenc; 1029 u32 ip4_rxcsum; 1030 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1031 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1032 #define NDIS_RXCSUM_CAP_TCP4 0x010 1033 #define NDIS_RXCSUM_CAP_UDP4 0x040 1034 #define NDIS_RXCSUM_CAP_IP4 0x100 1035 u32 ip6_txenc; 1036 u32 ip6_txcsum; 1037 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1038 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1039 #define NDIS_TXCSUM_CAP_TCP6 0x010 1040 #define NDIS_TXCSUM_CAP_UDP6 0x040 1041 u32 ip6_rxenc; 1042 u32 ip6_rxcsum; 1043 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1044 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1045 #define NDIS_RXCSUM_CAP_TCP6 0x010 1046 #define NDIS_RXCSUM_CAP_UDP6 0x040 1047 1048 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1049 NDIS_TXCSUM_CAP_TCP6OPT | \ 1050 NDIS_TXCSUM_CAP_IP6EXT) 1051 }; 1052 1053 struct ndis_lsov1_offload { 1054 u32 encap; 1055 u32 maxsize; 1056 u32 minsegs; 1057 u32 opts; 1058 }; 1059 1060 struct ndis_ipsecv1_offload { 1061 u32 encap; 1062 u32 ah_esp; 1063 u32 xport_tun; 1064 u32 ip4_opts; 1065 u32 flags; 1066 u32 ip4_ah; 1067 u32 ip4_esp; 1068 }; 1069 1070 struct ndis_lsov2_offload { 1071 u32 ip4_encap; 1072 u32 ip4_maxsz; 1073 u32 ip4_minsg; 1074 u32 ip6_encap; 1075 u32 ip6_maxsz; 1076 u32 ip6_minsg; 1077 u32 ip6_opts; 1078 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1079 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1080 1081 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1082 NDIS_LSOV2_CAP_TCP6OPT) 1083 }; 1084 1085 struct ndis_ipsecv2_offload { 1086 u32 encap; 1087 u16 ip6; 1088 u16 ip4opt; 1089 u16 ip6ext; 1090 u16 ah; 1091 u16 esp; 1092 u16 ah_esp; 1093 u16 xport; 1094 u16 tun; 1095 u16 xport_tun; 1096 u16 lso; 1097 u16 extseq; 1098 u32 udp_esp; 1099 u32 auth; 1100 u32 crypto; 1101 u32 sa_caps; 1102 }; 1103 1104 struct ndis_rsc_offload { 1105 u16 ip4; 1106 u16 ip6; 1107 }; 1108 1109 struct ndis_encap_offload { 1110 u32 flags; 1111 u32 maxhdr; 1112 }; 1113 1114 struct ndis_offload { 1115 struct ndis_object_header header; 1116 struct ndis_csum_offload csum; 1117 struct ndis_lsov1_offload lsov1; 1118 struct ndis_ipsecv1_offload ipsecv1; 1119 struct ndis_lsov2_offload lsov2; 1120 u32 flags; 1121 /* NDIS >= 6.1 */ 1122 struct ndis_ipsecv2_offload ipsecv2; 1123 /* NDIS >= 6.30 */ 1124 struct ndis_rsc_offload rsc; 1125 struct ndis_encap_offload encap_gre; 1126 }; 1127 1128 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1129 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1130 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1131 1132 struct ndis_offload_params { 1133 struct ndis_object_header header; 1134 u8 ip_v4_csum; 1135 u8 tcp_ip_v4_csum; 1136 u8 udp_ip_v4_csum; 1137 u8 tcp_ip_v6_csum; 1138 u8 udp_ip_v6_csum; 1139 u8 lso_v1; 1140 u8 ip_sec_v1; 1141 u8 lso_v2_ipv4; 1142 u8 lso_v2_ipv6; 1143 u8 tcp_connection_ip_v4; 1144 u8 tcp_connection_ip_v6; 1145 u32 flags; 1146 u8 ip_sec_v2; 1147 u8 ip_sec_v2_ip_v4; 1148 struct { 1149 u8 rsc_ip_v4; 1150 u8 rsc_ip_v6; 1151 }; 1152 struct { 1153 u8 encapsulated_packet_task_offload; 1154 u8 encapsulation_types; 1155 }; 1156 }; 1157 1158 struct ndis_tcp_ip_checksum_info { 1159 union { 1160 struct { 1161 u32 is_ipv4:1; 1162 u32 is_ipv6:1; 1163 u32 tcp_checksum:1; 1164 u32 udp_checksum:1; 1165 u32 ip_header_checksum:1; 1166 u32 reserved:11; 1167 u32 tcp_header_offset:10; 1168 } transmit; 1169 struct { 1170 u32 tcp_checksum_failed:1; 1171 u32 udp_checksum_failed:1; 1172 u32 ip_checksum_failed:1; 1173 u32 tcp_checksum_succeeded:1; 1174 u32 udp_checksum_succeeded:1; 1175 u32 ip_checksum_succeeded:1; 1176 u32 loopback:1; 1177 u32 tcp_checksum_value_invalid:1; 1178 u32 ip_checksum_value_invalid:1; 1179 } receive; 1180 u32 value; 1181 }; 1182 }; 1183 1184 struct ndis_tcp_lso_info { 1185 union { 1186 struct { 1187 u32 unused:30; 1188 u32 type:1; 1189 u32 reserved2:1; 1190 } transmit; 1191 struct { 1192 u32 mss:20; 1193 u32 tcp_header_offset:10; 1194 u32 type:1; 1195 u32 reserved2:1; 1196 } lso_v1_transmit; 1197 struct { 1198 u32 tcp_payload:30; 1199 u32 type:1; 1200 u32 reserved2:1; 1201 } lso_v1_transmit_complete; 1202 struct { 1203 u32 mss:20; 1204 u32 tcp_header_offset:10; 1205 u32 type:1; 1206 u32 ip_version:1; 1207 } lso_v2_transmit; 1208 struct { 1209 u32 reserved:30; 1210 u32 type:1; 1211 u32 reserved2:1; 1212 } lso_v2_transmit_complete; 1213 u32 value; 1214 }; 1215 }; 1216 1217 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1218 sizeof(struct ndis_pkt_8021q_info)) 1219 1220 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1221 sizeof(struct ndis_tcp_ip_checksum_info)) 1222 1223 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1224 sizeof(struct ndis_tcp_lso_info)) 1225 1226 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1227 sizeof(u32)) 1228 1229 /* Total size of all PPI data */ 1230 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1231 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1232 1233 /* Format of Information buffer passed in a SetRequest for the OID */ 1234 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1235 struct rndis_config_parameter_info { 1236 u32 parameter_name_offset; 1237 u32 parameter_name_length; 1238 u32 parameter_type; 1239 u32 parameter_value_offset; 1240 u32 parameter_value_length; 1241 }; 1242 1243 /* Values for ParameterType in struct rndis_config_parameter_info */ 1244 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1245 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1246 1247 /* CONDIS Miniport messages for connection oriented devices */ 1248 /* that do not implement a call manager. */ 1249 1250 /* CoNdisMiniportCreateVc message */ 1251 struct rcondis_mp_create_vc { 1252 u32 req_id; 1253 u32 ndis_vc_handle; 1254 }; 1255 1256 /* Response to CoNdisMiniportCreateVc */ 1257 struct rcondis_mp_create_vc_complete { 1258 u32 req_id; 1259 u32 dev_vc_handle; 1260 u32 status; 1261 }; 1262 1263 /* CoNdisMiniportDeleteVc message */ 1264 struct rcondis_mp_delete_vc { 1265 u32 req_id; 1266 u32 dev_vc_handle; 1267 }; 1268 1269 /* Response to CoNdisMiniportDeleteVc */ 1270 struct rcondis_mp_delete_vc_complete { 1271 u32 req_id; 1272 u32 status; 1273 }; 1274 1275 /* CoNdisMiniportQueryRequest message */ 1276 struct rcondis_mp_query_request { 1277 u32 req_id; 1278 u32 request_type; 1279 u32 oid; 1280 u32 dev_vc_handle; 1281 u32 info_buflen; 1282 u32 info_buf_offset; 1283 }; 1284 1285 /* CoNdisMiniportSetRequest message */ 1286 struct rcondis_mp_set_request { 1287 u32 req_id; 1288 u32 request_type; 1289 u32 oid; 1290 u32 dev_vc_handle; 1291 u32 info_buflen; 1292 u32 info_buf_offset; 1293 }; 1294 1295 /* CoNdisIndicateStatus message */ 1296 struct rcondis_indicate_status { 1297 u32 ndis_vc_handle; 1298 u32 status; 1299 u32 status_buflen; 1300 u32 status_buf_offset; 1301 }; 1302 1303 /* CONDIS Call/VC parameters */ 1304 struct rcondis_specific_parameters { 1305 u32 parameter_type; 1306 u32 parameter_length; 1307 u32 parameter_lffset; 1308 }; 1309 1310 struct rcondis_media_parameters { 1311 u32 flags; 1312 u32 reserved1; 1313 u32 reserved2; 1314 struct rcondis_specific_parameters media_specific; 1315 }; 1316 1317 struct rndis_flowspec { 1318 u32 token_rate; 1319 u32 token_bucket_size; 1320 u32 peak_bandwidth; 1321 u32 latency; 1322 u32 delay_variation; 1323 u32 service_type; 1324 u32 max_sdu_size; 1325 u32 minimum_policed_size; 1326 }; 1327 1328 struct rcondis_call_manager_parameters { 1329 struct rndis_flowspec transmit; 1330 struct rndis_flowspec receive; 1331 struct rcondis_specific_parameters call_mgr_specific; 1332 }; 1333 1334 /* CoNdisMiniportActivateVc message */ 1335 struct rcondis_mp_activate_vc_request { 1336 u32 req_id; 1337 u32 flags; 1338 u32 dev_vc_handle; 1339 u32 media_params_offset; 1340 u32 media_params_length; 1341 u32 call_mgr_params_offset; 1342 u32 call_mgr_params_length; 1343 }; 1344 1345 /* Response to CoNdisMiniportActivateVc */ 1346 struct rcondis_mp_activate_vc_complete { 1347 u32 req_id; 1348 u32 status; 1349 }; 1350 1351 /* CoNdisMiniportDeactivateVc message */ 1352 struct rcondis_mp_deactivate_vc_request { 1353 u32 req_id; 1354 u32 flags; 1355 u32 dev_vc_handle; 1356 }; 1357 1358 /* Response to CoNdisMiniportDeactivateVc */ 1359 struct rcondis_mp_deactivate_vc_complete { 1360 u32 req_id; 1361 u32 status; 1362 }; 1363 1364 1365 /* union with all of the RNDIS messages */ 1366 union rndis_message_container { 1367 struct rndis_packet pkt; 1368 struct rndis_initialize_request init_req; 1369 struct rndis_halt_request halt_req; 1370 struct rndis_query_request query_req; 1371 struct rndis_set_request set_req; 1372 struct rndis_reset_request reset_req; 1373 struct rndis_keepalive_request keep_alive_req; 1374 struct rndis_indicate_status indicate_status; 1375 struct rndis_initialize_complete init_complete; 1376 struct rndis_query_complete query_complete; 1377 struct rndis_set_complete set_complete; 1378 struct rndis_reset_complete reset_complete; 1379 struct rndis_keepalive_complete keep_alive_complete; 1380 struct rcondis_mp_create_vc co_miniport_create_vc; 1381 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1382 struct rcondis_indicate_status co_indicate_status; 1383 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1384 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1385 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1386 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1387 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1388 struct rcondis_mp_deactivate_vc_complete 1389 co_miniport_deactivate_vc_complete; 1390 }; 1391 1392 /* Remote NDIS message format */ 1393 struct rndis_message { 1394 u32 ndis_msg_type; 1395 1396 /* Total length of this message, from the beginning */ 1397 /* of the struct rndis_message, in bytes. */ 1398 u32 msg_len; 1399 1400 /* Actual message */ 1401 union rndis_message_container msg; 1402 }; 1403 1404 1405 /* Handy macros */ 1406 1407 /* get the size of an RNDIS message. Pass in the message type, */ 1408 /* struct rndis_set_request, struct rndis_packet for example */ 1409 #define RNDIS_MESSAGE_SIZE(msg) \ 1410 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1411 sizeof(union rndis_message_container))) 1412 1413 /* get pointer to info buffer with message pointer */ 1414 #define MESSAGE_TO_INFO_BUFFER(msg) \ 1415 (((unsigned char *)(msg)) + msg->info_buf_offset) 1416 1417 /* get pointer to status buffer with message pointer */ 1418 #define MESSAGE_TO_STATUS_BUFFER(msg) \ 1419 (((unsigned char *)(msg)) + msg->status_buf_offset) 1420 1421 /* get pointer to OOBD buffer with message pointer */ 1422 #define MESSAGE_TO_OOBD_BUFFER(msg) \ 1423 (((unsigned char *)(msg)) + msg->oob_data_offset) 1424 1425 /* get pointer to data buffer with message pointer */ 1426 #define MESSAGE_TO_DATA_BUFFER(msg) \ 1427 (((unsigned char *)(msg)) + msg->per_pkt_info_offset) 1428 1429 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1430 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1431 ((void *) &rndis_msg->msg) 1432 1433 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1434 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1435 ((void *) rndis_msg) 1436 1437 1438 1439 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1440 sizeof(union rndis_message_container)) 1441 1442 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1443 1444 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1445 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1446 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1447 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1448 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1449 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1450 #define NDIS_PACKET_TYPE_SMT 0x00000040 1451 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1452 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1453 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1454 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1455 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1456 1457 #define TRANSPORT_INFO_NOT_IP 0 1458 #define TRANSPORT_INFO_IPV4_TCP 0x01 1459 #define TRANSPORT_INFO_IPV4_UDP 0x02 1460 #define TRANSPORT_INFO_IPV6_TCP 0x10 1461 #define TRANSPORT_INFO_IPV6_UDP 0x20 1462 1463 #endif /* _HYPERV_NET_H */ 1464