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