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 max_num_vrss_chns; 151 u32 num_chn; 152 }; 153 154 enum rndis_device_state { 155 RNDIS_DEV_UNINITIALIZED = 0, 156 RNDIS_DEV_INITIALIZING, 157 RNDIS_DEV_INITIALIZED, 158 RNDIS_DEV_DATAINITIALIZED, 159 }; 160 161 #define NETVSC_HASH_KEYLEN 40 162 163 struct rndis_device { 164 struct net_device *ndev; 165 166 enum rndis_device_state state; 167 168 atomic_t new_req_id; 169 170 spinlock_t request_lock; 171 struct list_head req_list; 172 173 struct work_struct mcast_work; 174 175 bool link_state; /* 0 - link up, 1 - link down */ 176 177 u8 hw_mac_adr[ETH_ALEN]; 178 u8 rss_key[NETVSC_HASH_KEYLEN]; 179 u16 ind_table[ITAB_NUM]; 180 }; 181 182 183 /* Interface */ 184 struct rndis_message; 185 struct netvsc_device; 186 int netvsc_device_add(struct hv_device *device, 187 const struct netvsc_device_info *info); 188 void netvsc_device_remove(struct hv_device *device); 189 int netvsc_send(struct hv_device *device, 190 struct hv_netvsc_packet *packet, 191 struct rndis_message *rndis_msg, 192 struct hv_page_buffer **page_buffer, 193 struct sk_buff *skb); 194 void netvsc_linkstatus_callback(struct hv_device *device_obj, 195 struct rndis_message *resp); 196 int netvsc_recv_callback(struct net_device *net, 197 struct vmbus_channel *channel, 198 void *data, u32 len, 199 const struct ndis_tcp_ip_checksum_info *csum_info, 200 const struct ndis_pkt_8021q_info *vlan); 201 void netvsc_channel_cb(void *context); 202 int netvsc_poll(struct napi_struct *napi, int budget); 203 int rndis_filter_open(struct netvsc_device *nvdev); 204 int rndis_filter_close(struct netvsc_device *nvdev); 205 int rndis_filter_device_add(struct hv_device *dev, 206 struct netvsc_device_info *info); 207 void rndis_filter_update(struct netvsc_device *nvdev); 208 void rndis_filter_device_remove(struct hv_device *dev, 209 struct netvsc_device *nvdev); 210 int rndis_filter_set_rss_param(struct rndis_device *rdev, 211 const u8 *key, int num_queue); 212 int rndis_filter_receive(struct net_device *ndev, 213 struct netvsc_device *net_dev, 214 struct hv_device *dev, 215 struct vmbus_channel *channel, 216 void *data, u32 buflen); 217 218 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac); 219 220 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 221 222 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 223 224 #define NVSP_PROTOCOL_VERSION_1 2 225 #define NVSP_PROTOCOL_VERSION_2 0x30002 226 #define NVSP_PROTOCOL_VERSION_4 0x40000 227 #define NVSP_PROTOCOL_VERSION_5 0x50000 228 229 enum { 230 NVSP_MSG_TYPE_NONE = 0, 231 232 /* Init Messages */ 233 NVSP_MSG_TYPE_INIT = 1, 234 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 235 236 NVSP_VERSION_MSG_START = 100, 237 238 /* Version 1 Messages */ 239 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 240 241 NVSP_MSG1_TYPE_SEND_RECV_BUF, 242 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 243 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 244 245 NVSP_MSG1_TYPE_SEND_SEND_BUF, 246 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 247 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 248 249 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 250 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 251 252 /* Version 2 messages */ 253 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 254 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 255 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 256 257 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 258 259 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 260 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 261 262 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 263 264 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 265 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 266 267 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 268 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 269 270 NVSP_MSG2_TYPE_ALLOC_RXBUF, 271 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 272 273 NVSP_MSG2_TYPE_FREE_RXBUF, 274 275 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 276 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 277 278 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 279 280 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 281 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 282 283 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 284 285 /* Version 4 messages */ 286 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 287 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 288 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 289 290 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 291 292 /* Version 5 messages */ 293 NVSP_MSG5_TYPE_OID_QUERY_EX, 294 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 295 NVSP_MSG5_TYPE_SUBCHANNEL, 296 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 297 298 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 299 }; 300 301 enum { 302 NVSP_STAT_NONE = 0, 303 NVSP_STAT_SUCCESS, 304 NVSP_STAT_FAIL, 305 NVSP_STAT_PROTOCOL_TOO_NEW, 306 NVSP_STAT_PROTOCOL_TOO_OLD, 307 NVSP_STAT_INVALID_RNDIS_PKT, 308 NVSP_STAT_BUSY, 309 NVSP_STAT_PROTOCOL_UNSUPPORTED, 310 NVSP_STAT_MAX, 311 }; 312 313 struct nvsp_message_header { 314 u32 msg_type; 315 }; 316 317 /* Init Messages */ 318 319 /* 320 * This message is used by the VSC to initialize the channel after the channels 321 * has been opened. This message should never include anything other then 322 * versioning (i.e. this message will be the same for ever). 323 */ 324 struct nvsp_message_init { 325 u32 min_protocol_ver; 326 u32 max_protocol_ver; 327 } __packed; 328 329 /* 330 * This message is used by the VSP to complete the initialization of the 331 * channel. This message should never include anything other then versioning 332 * (i.e. this message will be the same for ever). 333 */ 334 struct nvsp_message_init_complete { 335 u32 negotiated_protocol_ver; 336 u32 max_mdl_chain_len; 337 u32 status; 338 } __packed; 339 340 union nvsp_message_init_uber { 341 struct nvsp_message_init init; 342 struct nvsp_message_init_complete init_complete; 343 } __packed; 344 345 /* Version 1 Messages */ 346 347 /* 348 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 349 * can use this information when handling OIDs sent by the VSC. 350 */ 351 struct nvsp_1_message_send_ndis_version { 352 u32 ndis_major_ver; 353 u32 ndis_minor_ver; 354 } __packed; 355 356 /* 357 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 358 * can then use the receive buffer to send data to the VSC. 359 */ 360 struct nvsp_1_message_send_receive_buffer { 361 u32 gpadl_handle; 362 u16 id; 363 } __packed; 364 365 struct nvsp_1_receive_buffer_section { 366 u32 offset; 367 u32 sub_alloc_size; 368 u32 num_sub_allocs; 369 u32 end_offset; 370 } __packed; 371 372 /* 373 * This message is used by the VSP to acknowledge a receive buffer send by the 374 * VSC. This message must be sent by the VSP before the VSP uses the receive 375 * buffer. 376 */ 377 struct nvsp_1_message_send_receive_buffer_complete { 378 u32 status; 379 u32 num_sections; 380 381 /* 382 * The receive buffer is split into two parts, a large suballocation 383 * section and a small suballocation section. These sections are then 384 * suballocated by a certain size. 385 */ 386 387 /* 388 * For example, the following break up of the receive buffer has 6 389 * large suballocations and 10 small suballocations. 390 */ 391 392 /* 393 * | Large Section | | Small Section | 394 * ------------------------------------------------------------ 395 * | | | | | | | | | | | | | | | | | | 396 * | | 397 * LargeOffset SmallOffset 398 */ 399 400 struct nvsp_1_receive_buffer_section sections[1]; 401 } __packed; 402 403 /* 404 * This message is sent by the VSC to revoke the receive buffer. After the VSP 405 * completes this transaction, the vsp should never use the receive buffer 406 * again. 407 */ 408 struct nvsp_1_message_revoke_receive_buffer { 409 u16 id; 410 }; 411 412 /* 413 * This message is used by the VSC to send a send buffer to the VSP. The VSC 414 * can then use the send buffer to send data to the VSP. 415 */ 416 struct nvsp_1_message_send_send_buffer { 417 u32 gpadl_handle; 418 u16 id; 419 } __packed; 420 421 /* 422 * This message is used by the VSP to acknowledge a send buffer sent by the 423 * VSC. This message must be sent by the VSP before the VSP uses the sent 424 * buffer. 425 */ 426 struct nvsp_1_message_send_send_buffer_complete { 427 u32 status; 428 429 /* 430 * The VSC gets to choose the size of the send buffer and the VSP gets 431 * to choose the sections size of the buffer. This was done to enable 432 * dynamic reconfigurations when the cost of GPA-direct buffers 433 * decreases. 434 */ 435 u32 section_size; 436 } __packed; 437 438 /* 439 * This message is sent by the VSC to revoke the send buffer. After the VSP 440 * completes this transaction, the vsp should never use the send buffer again. 441 */ 442 struct nvsp_1_message_revoke_send_buffer { 443 u16 id; 444 }; 445 446 /* 447 * This message is used by both the VSP and the VSC to send a RNDIS message to 448 * the opposite channel endpoint. 449 */ 450 struct nvsp_1_message_send_rndis_packet { 451 /* 452 * This field is specified by RNDIS. They assume there's two different 453 * channels of communication. However, the Network VSP only has one. 454 * Therefore, the channel travels with the RNDIS packet. 455 */ 456 u32 channel_type; 457 458 /* 459 * This field is used to send part or all of the data through a send 460 * buffer. This values specifies an index into the send buffer. If the 461 * index is 0xFFFFFFFF, then the send buffer is not being used and all 462 * of the data was sent through other VMBus mechanisms. 463 */ 464 u32 send_buf_section_index; 465 u32 send_buf_section_size; 466 } __packed; 467 468 /* 469 * This message is used by both the VSP and the VSC to complete a RNDIS message 470 * to the opposite channel endpoint. At this point, the initiator of this 471 * message cannot use any resources associated with the original RNDIS packet. 472 */ 473 struct nvsp_1_message_send_rndis_packet_complete { 474 u32 status; 475 }; 476 477 union nvsp_1_message_uber { 478 struct nvsp_1_message_send_ndis_version send_ndis_ver; 479 480 struct nvsp_1_message_send_receive_buffer send_recv_buf; 481 struct nvsp_1_message_send_receive_buffer_complete 482 send_recv_buf_complete; 483 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 484 485 struct nvsp_1_message_send_send_buffer send_send_buf; 486 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 487 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 488 489 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 490 struct nvsp_1_message_send_rndis_packet_complete 491 send_rndis_pkt_complete; 492 } __packed; 493 494 495 /* 496 * Network VSP protocol version 2 messages: 497 */ 498 struct nvsp_2_vsc_capability { 499 union { 500 u64 data; 501 struct { 502 u64 vmq:1; 503 u64 chimney:1; 504 u64 sriov:1; 505 u64 ieee8021q:1; 506 u64 correlation_id:1; 507 u64 teaming:1; 508 }; 509 }; 510 } __packed; 511 512 struct nvsp_2_send_ndis_config { 513 u32 mtu; 514 u32 reserved; 515 struct nvsp_2_vsc_capability capability; 516 } __packed; 517 518 /* Allocate receive buffer */ 519 struct nvsp_2_alloc_rxbuf { 520 /* Allocation ID to match the allocation request and response */ 521 u32 alloc_id; 522 523 /* Length of the VM shared memory receive buffer that needs to 524 * be allocated 525 */ 526 u32 len; 527 } __packed; 528 529 /* Allocate receive buffer complete */ 530 struct nvsp_2_alloc_rxbuf_comp { 531 /* The NDIS_STATUS code for buffer allocation */ 532 u32 status; 533 534 u32 alloc_id; 535 536 /* GPADL handle for the allocated receive buffer */ 537 u32 gpadl_handle; 538 539 /* Receive buffer ID */ 540 u64 recv_buf_id; 541 } __packed; 542 543 struct nvsp_2_free_rxbuf { 544 u64 recv_buf_id; 545 } __packed; 546 547 union nvsp_2_message_uber { 548 struct nvsp_2_send_ndis_config send_ndis_config; 549 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 550 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 551 struct nvsp_2_free_rxbuf free_rxbuf; 552 } __packed; 553 554 struct nvsp_4_send_vf_association { 555 /* 1: allocated, serial number is valid. 0: not allocated */ 556 u32 allocated; 557 558 /* Serial number of the VF to team with */ 559 u32 serial; 560 } __packed; 561 562 enum nvsp_vm_datapath { 563 NVSP_DATAPATH_SYNTHETIC = 0, 564 NVSP_DATAPATH_VF, 565 NVSP_DATAPATH_MAX 566 }; 567 568 struct nvsp_4_sw_datapath { 569 u32 active_datapath; /* active data path in VM */ 570 } __packed; 571 572 union nvsp_4_message_uber { 573 struct nvsp_4_send_vf_association vf_assoc; 574 struct nvsp_4_sw_datapath active_dp; 575 } __packed; 576 577 enum nvsp_subchannel_operation { 578 NVSP_SUBCHANNEL_NONE = 0, 579 NVSP_SUBCHANNEL_ALLOCATE, 580 NVSP_SUBCHANNEL_MAX 581 }; 582 583 struct nvsp_5_subchannel_request { 584 u32 op; 585 u32 num_subchannels; 586 } __packed; 587 588 struct nvsp_5_subchannel_complete { 589 u32 status; 590 u32 num_subchannels; /* Actual number of subchannels allocated */ 591 } __packed; 592 593 struct nvsp_5_send_indirect_table { 594 /* The number of entries in the send indirection table */ 595 u32 count; 596 597 /* The offset of the send indirection table from top of this struct. 598 * The send indirection table tells which channel to put the send 599 * traffic on. Each entry is a channel number. 600 */ 601 u32 offset; 602 } __packed; 603 604 union nvsp_5_message_uber { 605 struct nvsp_5_subchannel_request subchn_req; 606 struct nvsp_5_subchannel_complete subchn_comp; 607 struct nvsp_5_send_indirect_table send_table; 608 } __packed; 609 610 union nvsp_all_messages { 611 union nvsp_message_init_uber init_msg; 612 union nvsp_1_message_uber v1_msg; 613 union nvsp_2_message_uber v2_msg; 614 union nvsp_4_message_uber v4_msg; 615 union nvsp_5_message_uber v5_msg; 616 } __packed; 617 618 /* ALL Messages */ 619 struct nvsp_message { 620 struct nvsp_message_header hdr; 621 union nvsp_all_messages msg; 622 } __packed; 623 624 625 #define NETVSC_MTU 65535 626 #define NETVSC_MTU_MIN ETH_MIN_MTU 627 628 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ 629 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ 630 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 631 #define NETVSC_INVALID_INDEX -1 632 633 634 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 635 #define NETVSC_SEND_BUFFER_ID 0 636 637 #define NETVSC_PACKET_SIZE 4096 638 639 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 640 #define VRSS_CHANNEL_MAX 64 641 #define VRSS_CHANNEL_DEFAULT 8 642 643 #define RNDIS_MAX_PKT_DEFAULT 8 644 #define RNDIS_PKT_ALIGN_DEFAULT 8 645 646 struct multi_send_data { 647 struct sk_buff *skb; /* skb containing the pkt */ 648 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 649 u32 count; /* counter of batched packets */ 650 }; 651 652 struct recv_comp_data { 653 u64 tid; /* transaction id */ 654 u32 status; 655 }; 656 657 /* Netvsc Receive Slots Max */ 658 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1) 659 660 struct multi_recv_comp { 661 void *buf; /* queued receive completions */ 662 u32 first; /* first data entry */ 663 u32 next; /* next entry for writing */ 664 }; 665 666 struct netvsc_stats { 667 u64 packets; 668 u64 bytes; 669 u64 broadcast; 670 u64 multicast; 671 struct u64_stats_sync syncp; 672 }; 673 674 struct netvsc_ethtool_stats { 675 unsigned long tx_scattered; 676 unsigned long tx_no_memory; 677 unsigned long tx_no_space; 678 unsigned long tx_too_big; 679 unsigned long tx_busy; 680 }; 681 682 struct netvsc_reconfig { 683 struct list_head list; 684 u32 event; 685 }; 686 687 /* The context of the netvsc device */ 688 struct net_device_context { 689 /* point back to our device context */ 690 struct hv_device *device_ctx; 691 /* netvsc_device */ 692 struct netvsc_device __rcu *nvdev; 693 /* reconfigure work */ 694 struct delayed_work dwork; 695 /* last reconfig time */ 696 unsigned long last_reconfig; 697 /* reconfig events */ 698 struct list_head reconfig_events; 699 /* list protection */ 700 spinlock_t lock; 701 702 u32 msg_enable; /* debug level */ 703 704 u32 tx_checksum_mask; 705 706 u32 tx_send_table[VRSS_SEND_TAB_SIZE]; 707 708 /* Ethtool settings */ 709 u8 duplex; 710 u32 speed; 711 struct netvsc_ethtool_stats eth_stats; 712 713 /* State to manage the associated VF interface. */ 714 struct net_device __rcu *vf_netdev; 715 716 /* 1: allocated, serial number is valid. 0: not allocated */ 717 u32 vf_alloc; 718 /* Serial number of the VF to team with */ 719 u32 vf_serial; 720 721 bool datapath; /* 0 - synthetic, 1 - VF nic */ 722 }; 723 724 /* Per channel data */ 725 struct netvsc_channel { 726 struct vmbus_channel *channel; 727 const struct vmpacket_descriptor *desc; 728 struct napi_struct napi; 729 struct multi_send_data msd; 730 struct multi_recv_comp mrc; 731 atomic_t queue_sends; 732 733 struct netvsc_stats tx_stats; 734 struct netvsc_stats rx_stats; 735 }; 736 737 /* Per netvsc device */ 738 struct netvsc_device { 739 u32 nvsp_version; 740 741 wait_queue_head_t wait_drain; 742 bool destroy; 743 744 /* Receive buffer allocated by us but manages by NetVSP */ 745 void *recv_buf; 746 u32 recv_buf_size; 747 u32 recv_buf_gpadl_handle; 748 u32 recv_section_cnt; 749 struct nvsp_1_receive_buffer_section *recv_section; 750 751 /* Send buffer allocated by us */ 752 void *send_buf; 753 u32 send_buf_size; 754 u32 send_buf_gpadl_handle; 755 u32 send_section_cnt; 756 u32 send_section_size; 757 unsigned long *send_section_map; 758 759 /* Used for NetVSP initialization protocol */ 760 struct completion channel_init_wait; 761 struct nvsp_message channel_init_pkt; 762 763 struct nvsp_message revoke_packet; 764 765 u32 max_chn; 766 u32 num_chn; 767 768 atomic_t open_chn; 769 wait_queue_head_t subchan_open; 770 771 struct rndis_device *extension; 772 773 int ring_size; 774 775 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 776 u32 pkt_align; /* alignment bytes, e.g. 8 */ 777 778 atomic_t num_outstanding_recvs; 779 780 atomic_t open_cnt; 781 782 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 783 784 struct rcu_head rcu; 785 }; 786 787 static inline struct netvsc_device * 788 net_device_to_netvsc_device(struct net_device *ndev) 789 { 790 return ((struct net_device_context *)netdev_priv(ndev))->nvdev; 791 } 792 793 static inline struct netvsc_device * 794 hv_device_to_netvsc_device(struct hv_device *device) 795 { 796 return net_device_to_netvsc_device(hv_get_drvdata(device)); 797 } 798 799 /* NdisInitialize message */ 800 struct rndis_initialize_request { 801 u32 req_id; 802 u32 major_ver; 803 u32 minor_ver; 804 u32 max_xfer_size; 805 }; 806 807 /* Response to NdisInitialize */ 808 struct rndis_initialize_complete { 809 u32 req_id; 810 u32 status; 811 u32 major_ver; 812 u32 minor_ver; 813 u32 dev_flags; 814 u32 medium; 815 u32 max_pkt_per_msg; 816 u32 max_xfer_size; 817 u32 pkt_alignment_factor; 818 u32 af_list_offset; 819 u32 af_list_size; 820 }; 821 822 /* Call manager devices only: Information about an address family */ 823 /* supported by the device is appended to the response to NdisInitialize. */ 824 struct rndis_co_address_family { 825 u32 address_family; 826 u32 major_ver; 827 u32 minor_ver; 828 }; 829 830 /* NdisHalt message */ 831 struct rndis_halt_request { 832 u32 req_id; 833 }; 834 835 /* NdisQueryRequest message */ 836 struct rndis_query_request { 837 u32 req_id; 838 u32 oid; 839 u32 info_buflen; 840 u32 info_buf_offset; 841 u32 dev_vc_handle; 842 }; 843 844 /* Response to NdisQueryRequest */ 845 struct rndis_query_complete { 846 u32 req_id; 847 u32 status; 848 u32 info_buflen; 849 u32 info_buf_offset; 850 }; 851 852 /* NdisSetRequest message */ 853 struct rndis_set_request { 854 u32 req_id; 855 u32 oid; 856 u32 info_buflen; 857 u32 info_buf_offset; 858 u32 dev_vc_handle; 859 }; 860 861 /* Response to NdisSetRequest */ 862 struct rndis_set_complete { 863 u32 req_id; 864 u32 status; 865 }; 866 867 /* NdisReset message */ 868 struct rndis_reset_request { 869 u32 reserved; 870 }; 871 872 /* Response to NdisReset */ 873 struct rndis_reset_complete { 874 u32 status; 875 u32 addressing_reset; 876 }; 877 878 /* NdisMIndicateStatus message */ 879 struct rndis_indicate_status { 880 u32 status; 881 u32 status_buflen; 882 u32 status_buf_offset; 883 }; 884 885 /* Diagnostic information passed as the status buffer in */ 886 /* struct rndis_indicate_status messages signifying error conditions. */ 887 struct rndis_diagnostic_info { 888 u32 diag_status; 889 u32 error_offset; 890 }; 891 892 /* NdisKeepAlive message */ 893 struct rndis_keepalive_request { 894 u32 req_id; 895 }; 896 897 /* Response to NdisKeepAlive */ 898 struct rndis_keepalive_complete { 899 u32 req_id; 900 u32 status; 901 }; 902 903 /* 904 * Data message. All Offset fields contain byte offsets from the beginning of 905 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 906 * to 0 for connectionless data, otherwise it contains the VC handle. 907 */ 908 struct rndis_packet { 909 u32 data_offset; 910 u32 data_len; 911 u32 oob_data_offset; 912 u32 oob_data_len; 913 u32 num_oob_data_elements; 914 u32 per_pkt_info_offset; 915 u32 per_pkt_info_len; 916 u32 vc_handle; 917 u32 reserved; 918 }; 919 920 /* Optional Out of Band data associated with a Data message. */ 921 struct rndis_oobd { 922 u32 size; 923 u32 type; 924 u32 class_info_offset; 925 }; 926 927 /* Packet extension field contents associated with a Data message. */ 928 struct rndis_per_packet_info { 929 u32 size; 930 u32 type; 931 u32 ppi_offset; 932 }; 933 934 enum ndis_per_pkt_info_type { 935 TCPIP_CHKSUM_PKTINFO, 936 IPSEC_PKTINFO, 937 TCP_LARGESEND_PKTINFO, 938 CLASSIFICATION_HANDLE_PKTINFO, 939 NDIS_RESERVED, 940 SG_LIST_PKTINFO, 941 IEEE_8021Q_INFO, 942 ORIGINAL_PKTINFO, 943 PACKET_CANCEL_ID, 944 NBL_HASH_VALUE = PACKET_CANCEL_ID, 945 ORIGINAL_NET_BUFLIST, 946 CACHED_NET_BUFLIST, 947 SHORT_PKT_PADINFO, 948 MAX_PER_PKT_INFO 949 }; 950 951 struct ndis_pkt_8021q_info { 952 union { 953 struct { 954 u32 pri:3; /* User Priority */ 955 u32 cfi:1; /* Canonical Format ID */ 956 u32 vlanid:12; /* VLAN ID */ 957 u32 reserved:16; 958 }; 959 u32 value; 960 }; 961 }; 962 963 struct ndis_object_header { 964 u8 type; 965 u8 revision; 966 u16 size; 967 }; 968 969 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 970 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 971 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 972 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 973 974 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 975 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 976 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 977 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 978 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 979 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 980 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 981 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 982 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 983 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 984 985 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 986 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 987 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 988 989 #define VERSION_4_OFFLOAD_SIZE 22 990 /* 991 * New offload OIDs for NDIS 6 992 */ 993 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 994 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 995 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 996 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 997 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 998 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 999 1000 /* 1001 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1002 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1003 */ 1004 1005 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1006 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1007 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1008 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1009 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1010 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1011 1012 struct ndis_csum_offload { 1013 u32 ip4_txenc; 1014 u32 ip4_txcsum; 1015 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1016 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1017 #define NDIS_TXCSUM_CAP_TCP4 0x010 1018 #define NDIS_TXCSUM_CAP_UDP4 0x040 1019 #define NDIS_TXCSUM_CAP_IP4 0x100 1020 1021 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1022 1023 u32 ip4_rxenc; 1024 u32 ip4_rxcsum; 1025 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1026 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1027 #define NDIS_RXCSUM_CAP_TCP4 0x010 1028 #define NDIS_RXCSUM_CAP_UDP4 0x040 1029 #define NDIS_RXCSUM_CAP_IP4 0x100 1030 u32 ip6_txenc; 1031 u32 ip6_txcsum; 1032 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1033 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1034 #define NDIS_TXCSUM_CAP_TCP6 0x010 1035 #define NDIS_TXCSUM_CAP_UDP6 0x040 1036 u32 ip6_rxenc; 1037 u32 ip6_rxcsum; 1038 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1039 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1040 #define NDIS_RXCSUM_CAP_TCP6 0x010 1041 #define NDIS_RXCSUM_CAP_UDP6 0x040 1042 1043 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1044 NDIS_TXCSUM_CAP_TCP6OPT | \ 1045 NDIS_TXCSUM_CAP_IP6EXT) 1046 }; 1047 1048 struct ndis_lsov1_offload { 1049 u32 encap; 1050 u32 maxsize; 1051 u32 minsegs; 1052 u32 opts; 1053 }; 1054 1055 struct ndis_ipsecv1_offload { 1056 u32 encap; 1057 u32 ah_esp; 1058 u32 xport_tun; 1059 u32 ip4_opts; 1060 u32 flags; 1061 u32 ip4_ah; 1062 u32 ip4_esp; 1063 }; 1064 1065 struct ndis_lsov2_offload { 1066 u32 ip4_encap; 1067 u32 ip4_maxsz; 1068 u32 ip4_minsg; 1069 u32 ip6_encap; 1070 u32 ip6_maxsz; 1071 u32 ip6_minsg; 1072 u32 ip6_opts; 1073 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1074 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1075 1076 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1077 NDIS_LSOV2_CAP_TCP6OPT) 1078 }; 1079 1080 struct ndis_ipsecv2_offload { 1081 u32 encap; 1082 u16 ip6; 1083 u16 ip4opt; 1084 u16 ip6ext; 1085 u16 ah; 1086 u16 esp; 1087 u16 ah_esp; 1088 u16 xport; 1089 u16 tun; 1090 u16 xport_tun; 1091 u16 lso; 1092 u16 extseq; 1093 u32 udp_esp; 1094 u32 auth; 1095 u32 crypto; 1096 u32 sa_caps; 1097 }; 1098 1099 struct ndis_rsc_offload { 1100 u16 ip4; 1101 u16 ip6; 1102 }; 1103 1104 struct ndis_encap_offload { 1105 u32 flags; 1106 u32 maxhdr; 1107 }; 1108 1109 struct ndis_offload { 1110 struct ndis_object_header header; 1111 struct ndis_csum_offload csum; 1112 struct ndis_lsov1_offload lsov1; 1113 struct ndis_ipsecv1_offload ipsecv1; 1114 struct ndis_lsov2_offload lsov2; 1115 u32 flags; 1116 /* NDIS >= 6.1 */ 1117 struct ndis_ipsecv2_offload ipsecv2; 1118 /* NDIS >= 6.30 */ 1119 struct ndis_rsc_offload rsc; 1120 struct ndis_encap_offload encap_gre; 1121 }; 1122 1123 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1124 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1125 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1126 1127 struct ndis_offload_params { 1128 struct ndis_object_header header; 1129 u8 ip_v4_csum; 1130 u8 tcp_ip_v4_csum; 1131 u8 udp_ip_v4_csum; 1132 u8 tcp_ip_v6_csum; 1133 u8 udp_ip_v6_csum; 1134 u8 lso_v1; 1135 u8 ip_sec_v1; 1136 u8 lso_v2_ipv4; 1137 u8 lso_v2_ipv6; 1138 u8 tcp_connection_ip_v4; 1139 u8 tcp_connection_ip_v6; 1140 u32 flags; 1141 u8 ip_sec_v2; 1142 u8 ip_sec_v2_ip_v4; 1143 struct { 1144 u8 rsc_ip_v4; 1145 u8 rsc_ip_v6; 1146 }; 1147 struct { 1148 u8 encapsulated_packet_task_offload; 1149 u8 encapsulation_types; 1150 }; 1151 }; 1152 1153 struct ndis_tcp_ip_checksum_info { 1154 union { 1155 struct { 1156 u32 is_ipv4:1; 1157 u32 is_ipv6:1; 1158 u32 tcp_checksum:1; 1159 u32 udp_checksum:1; 1160 u32 ip_header_checksum:1; 1161 u32 reserved:11; 1162 u32 tcp_header_offset:10; 1163 } transmit; 1164 struct { 1165 u32 tcp_checksum_failed:1; 1166 u32 udp_checksum_failed:1; 1167 u32 ip_checksum_failed:1; 1168 u32 tcp_checksum_succeeded:1; 1169 u32 udp_checksum_succeeded:1; 1170 u32 ip_checksum_succeeded:1; 1171 u32 loopback:1; 1172 u32 tcp_checksum_value_invalid:1; 1173 u32 ip_checksum_value_invalid:1; 1174 } receive; 1175 u32 value; 1176 }; 1177 }; 1178 1179 struct ndis_tcp_lso_info { 1180 union { 1181 struct { 1182 u32 unused:30; 1183 u32 type:1; 1184 u32 reserved2:1; 1185 } transmit; 1186 struct { 1187 u32 mss:20; 1188 u32 tcp_header_offset:10; 1189 u32 type:1; 1190 u32 reserved2:1; 1191 } lso_v1_transmit; 1192 struct { 1193 u32 tcp_payload:30; 1194 u32 type:1; 1195 u32 reserved2:1; 1196 } lso_v1_transmit_complete; 1197 struct { 1198 u32 mss:20; 1199 u32 tcp_header_offset:10; 1200 u32 type:1; 1201 u32 ip_version:1; 1202 } lso_v2_transmit; 1203 struct { 1204 u32 reserved:30; 1205 u32 type:1; 1206 u32 reserved2:1; 1207 } lso_v2_transmit_complete; 1208 u32 value; 1209 }; 1210 }; 1211 1212 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1213 sizeof(struct ndis_pkt_8021q_info)) 1214 1215 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1216 sizeof(struct ndis_tcp_ip_checksum_info)) 1217 1218 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1219 sizeof(struct ndis_tcp_lso_info)) 1220 1221 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1222 sizeof(u32)) 1223 1224 /* Total size of all PPI data */ 1225 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1226 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1227 1228 /* Format of Information buffer passed in a SetRequest for the OID */ 1229 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1230 struct rndis_config_parameter_info { 1231 u32 parameter_name_offset; 1232 u32 parameter_name_length; 1233 u32 parameter_type; 1234 u32 parameter_value_offset; 1235 u32 parameter_value_length; 1236 }; 1237 1238 /* Values for ParameterType in struct rndis_config_parameter_info */ 1239 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1240 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1241 1242 /* CONDIS Miniport messages for connection oriented devices */ 1243 /* that do not implement a call manager. */ 1244 1245 /* CoNdisMiniportCreateVc message */ 1246 struct rcondis_mp_create_vc { 1247 u32 req_id; 1248 u32 ndis_vc_handle; 1249 }; 1250 1251 /* Response to CoNdisMiniportCreateVc */ 1252 struct rcondis_mp_create_vc_complete { 1253 u32 req_id; 1254 u32 dev_vc_handle; 1255 u32 status; 1256 }; 1257 1258 /* CoNdisMiniportDeleteVc message */ 1259 struct rcondis_mp_delete_vc { 1260 u32 req_id; 1261 u32 dev_vc_handle; 1262 }; 1263 1264 /* Response to CoNdisMiniportDeleteVc */ 1265 struct rcondis_mp_delete_vc_complete { 1266 u32 req_id; 1267 u32 status; 1268 }; 1269 1270 /* CoNdisMiniportQueryRequest message */ 1271 struct rcondis_mp_query_request { 1272 u32 req_id; 1273 u32 request_type; 1274 u32 oid; 1275 u32 dev_vc_handle; 1276 u32 info_buflen; 1277 u32 info_buf_offset; 1278 }; 1279 1280 /* CoNdisMiniportSetRequest message */ 1281 struct rcondis_mp_set_request { 1282 u32 req_id; 1283 u32 request_type; 1284 u32 oid; 1285 u32 dev_vc_handle; 1286 u32 info_buflen; 1287 u32 info_buf_offset; 1288 }; 1289 1290 /* CoNdisIndicateStatus message */ 1291 struct rcondis_indicate_status { 1292 u32 ndis_vc_handle; 1293 u32 status; 1294 u32 status_buflen; 1295 u32 status_buf_offset; 1296 }; 1297 1298 /* CONDIS Call/VC parameters */ 1299 struct rcondis_specific_parameters { 1300 u32 parameter_type; 1301 u32 parameter_length; 1302 u32 parameter_lffset; 1303 }; 1304 1305 struct rcondis_media_parameters { 1306 u32 flags; 1307 u32 reserved1; 1308 u32 reserved2; 1309 struct rcondis_specific_parameters media_specific; 1310 }; 1311 1312 struct rndis_flowspec { 1313 u32 token_rate; 1314 u32 token_bucket_size; 1315 u32 peak_bandwidth; 1316 u32 latency; 1317 u32 delay_variation; 1318 u32 service_type; 1319 u32 max_sdu_size; 1320 u32 minimum_policed_size; 1321 }; 1322 1323 struct rcondis_call_manager_parameters { 1324 struct rndis_flowspec transmit; 1325 struct rndis_flowspec receive; 1326 struct rcondis_specific_parameters call_mgr_specific; 1327 }; 1328 1329 /* CoNdisMiniportActivateVc message */ 1330 struct rcondis_mp_activate_vc_request { 1331 u32 req_id; 1332 u32 flags; 1333 u32 dev_vc_handle; 1334 u32 media_params_offset; 1335 u32 media_params_length; 1336 u32 call_mgr_params_offset; 1337 u32 call_mgr_params_length; 1338 }; 1339 1340 /* Response to CoNdisMiniportActivateVc */ 1341 struct rcondis_mp_activate_vc_complete { 1342 u32 req_id; 1343 u32 status; 1344 }; 1345 1346 /* CoNdisMiniportDeactivateVc message */ 1347 struct rcondis_mp_deactivate_vc_request { 1348 u32 req_id; 1349 u32 flags; 1350 u32 dev_vc_handle; 1351 }; 1352 1353 /* Response to CoNdisMiniportDeactivateVc */ 1354 struct rcondis_mp_deactivate_vc_complete { 1355 u32 req_id; 1356 u32 status; 1357 }; 1358 1359 1360 /* union with all of the RNDIS messages */ 1361 union rndis_message_container { 1362 struct rndis_packet pkt; 1363 struct rndis_initialize_request init_req; 1364 struct rndis_halt_request halt_req; 1365 struct rndis_query_request query_req; 1366 struct rndis_set_request set_req; 1367 struct rndis_reset_request reset_req; 1368 struct rndis_keepalive_request keep_alive_req; 1369 struct rndis_indicate_status indicate_status; 1370 struct rndis_initialize_complete init_complete; 1371 struct rndis_query_complete query_complete; 1372 struct rndis_set_complete set_complete; 1373 struct rndis_reset_complete reset_complete; 1374 struct rndis_keepalive_complete keep_alive_complete; 1375 struct rcondis_mp_create_vc co_miniport_create_vc; 1376 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1377 struct rcondis_indicate_status co_indicate_status; 1378 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1379 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1380 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1381 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1382 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1383 struct rcondis_mp_deactivate_vc_complete 1384 co_miniport_deactivate_vc_complete; 1385 }; 1386 1387 /* Remote NDIS message format */ 1388 struct rndis_message { 1389 u32 ndis_msg_type; 1390 1391 /* Total length of this message, from the beginning */ 1392 /* of the struct rndis_message, in bytes. */ 1393 u32 msg_len; 1394 1395 /* Actual message */ 1396 union rndis_message_container msg; 1397 }; 1398 1399 1400 /* Handy macros */ 1401 1402 /* get the size of an RNDIS message. Pass in the message type, */ 1403 /* struct rndis_set_request, struct rndis_packet for example */ 1404 #define RNDIS_MESSAGE_SIZE(msg) \ 1405 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1406 sizeof(union rndis_message_container))) 1407 1408 /* get pointer to info buffer with message pointer */ 1409 #define MESSAGE_TO_INFO_BUFFER(msg) \ 1410 (((unsigned char *)(msg)) + msg->info_buf_offset) 1411 1412 /* get pointer to status buffer with message pointer */ 1413 #define MESSAGE_TO_STATUS_BUFFER(msg) \ 1414 (((unsigned char *)(msg)) + msg->status_buf_offset) 1415 1416 /* get pointer to OOBD buffer with message pointer */ 1417 #define MESSAGE_TO_OOBD_BUFFER(msg) \ 1418 (((unsigned char *)(msg)) + msg->oob_data_offset) 1419 1420 /* get pointer to data buffer with message pointer */ 1421 #define MESSAGE_TO_DATA_BUFFER(msg) \ 1422 (((unsigned char *)(msg)) + msg->per_pkt_info_offset) 1423 1424 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1425 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1426 ((void *) &rndis_msg->msg) 1427 1428 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1429 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1430 ((void *) rndis_msg) 1431 1432 1433 1434 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1435 sizeof(union rndis_message_container)) 1436 1437 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1438 1439 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1440 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1441 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1442 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1443 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1444 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1445 #define NDIS_PACKET_TYPE_SMT 0x00000040 1446 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1447 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1448 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1449 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1450 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1451 1452 #define TRANSPORT_INFO_NOT_IP 0 1453 #define TRANSPORT_INFO_IPV4_TCP 0x01 1454 #define TRANSPORT_INFO_IPV4_UDP 0x02 1455 #define TRANSPORT_INFO_IPV6_TCP 0x10 1456 #define TRANSPORT_INFO_IPV6_UDP 0x20 1457 1458 #endif /* _HYPERV_NET_H */ 1459