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 bool link_state; /* 0 - link up, 1 - link down */ 150 int ring_size; 151 u32 max_num_vrss_chns; 152 u32 num_chn; 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 bool link_state; 169 atomic_t new_req_id; 170 171 spinlock_t request_lock; 172 struct list_head req_list; 173 174 u8 hw_mac_adr[ETH_ALEN]; 175 u8 rss_key[NETVSC_HASH_KEYLEN]; 176 u16 ind_table[ITAB_NUM]; 177 }; 178 179 180 /* Interface */ 181 struct rndis_message; 182 struct netvsc_device; 183 int netvsc_device_add(struct hv_device *device, 184 const struct netvsc_device_info *info); 185 void netvsc_device_remove(struct hv_device *device); 186 int netvsc_send(struct hv_device *device, 187 struct hv_netvsc_packet *packet, 188 struct rndis_message *rndis_msg, 189 struct hv_page_buffer **page_buffer, 190 struct sk_buff *skb); 191 void netvsc_linkstatus_callback(struct hv_device *device_obj, 192 struct rndis_message *resp); 193 int netvsc_recv_callback(struct net_device *net, 194 struct vmbus_channel *channel, 195 void *data, u32 len, 196 const struct ndis_tcp_ip_checksum_info *csum_info, 197 const struct ndis_pkt_8021q_info *vlan); 198 void netvsc_channel_cb(void *context); 199 int rndis_filter_open(struct netvsc_device *nvdev); 200 int rndis_filter_close(struct netvsc_device *nvdev); 201 int rndis_filter_device_add(struct hv_device *dev, 202 struct netvsc_device_info *info); 203 void rndis_filter_device_remove(struct hv_device *dev, 204 struct netvsc_device *nvdev); 205 int rndis_filter_set_rss_param(struct rndis_device *rdev, 206 const u8 *key, int num_queue); 207 int rndis_filter_receive(struct net_device *ndev, 208 struct netvsc_device *net_dev, 209 struct hv_device *dev, 210 struct vmbus_channel *channel, 211 void *data, u32 buflen); 212 213 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter); 214 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac); 215 216 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 217 218 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 219 220 #define NVSP_PROTOCOL_VERSION_1 2 221 #define NVSP_PROTOCOL_VERSION_2 0x30002 222 #define NVSP_PROTOCOL_VERSION_4 0x40000 223 #define NVSP_PROTOCOL_VERSION_5 0x50000 224 225 enum { 226 NVSP_MSG_TYPE_NONE = 0, 227 228 /* Init Messages */ 229 NVSP_MSG_TYPE_INIT = 1, 230 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 231 232 NVSP_VERSION_MSG_START = 100, 233 234 /* Version 1 Messages */ 235 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 236 237 NVSP_MSG1_TYPE_SEND_RECV_BUF, 238 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 239 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 240 241 NVSP_MSG1_TYPE_SEND_SEND_BUF, 242 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 243 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 244 245 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 246 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 247 248 /* Version 2 messages */ 249 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 250 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 251 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 252 253 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 254 255 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 256 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 257 258 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 259 260 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 261 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 262 263 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 264 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 265 266 NVSP_MSG2_TYPE_ALLOC_RXBUF, 267 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 268 269 NVSP_MSG2_TYPE_FREE_RXBUF, 270 271 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 272 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 273 274 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 275 276 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 277 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 278 279 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 280 281 /* Version 4 messages */ 282 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 283 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 284 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 285 286 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 287 288 /* Version 5 messages */ 289 NVSP_MSG5_TYPE_OID_QUERY_EX, 290 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 291 NVSP_MSG5_TYPE_SUBCHANNEL, 292 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 293 294 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 295 }; 296 297 enum { 298 NVSP_STAT_NONE = 0, 299 NVSP_STAT_SUCCESS, 300 NVSP_STAT_FAIL, 301 NVSP_STAT_PROTOCOL_TOO_NEW, 302 NVSP_STAT_PROTOCOL_TOO_OLD, 303 NVSP_STAT_INVALID_RNDIS_PKT, 304 NVSP_STAT_BUSY, 305 NVSP_STAT_PROTOCOL_UNSUPPORTED, 306 NVSP_STAT_MAX, 307 }; 308 309 struct nvsp_message_header { 310 u32 msg_type; 311 }; 312 313 /* Init Messages */ 314 315 /* 316 * This message is used by the VSC to initialize the channel after the channels 317 * has been opened. This message should never include anything other then 318 * versioning (i.e. this message will be the same for ever). 319 */ 320 struct nvsp_message_init { 321 u32 min_protocol_ver; 322 u32 max_protocol_ver; 323 } __packed; 324 325 /* 326 * This message is used by the VSP to complete the initialization of the 327 * channel. This message should never include anything other then versioning 328 * (i.e. this message will be the same for ever). 329 */ 330 struct nvsp_message_init_complete { 331 u32 negotiated_protocol_ver; 332 u32 max_mdl_chain_len; 333 u32 status; 334 } __packed; 335 336 union nvsp_message_init_uber { 337 struct nvsp_message_init init; 338 struct nvsp_message_init_complete init_complete; 339 } __packed; 340 341 /* Version 1 Messages */ 342 343 /* 344 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 345 * can use this information when handling OIDs sent by the VSC. 346 */ 347 struct nvsp_1_message_send_ndis_version { 348 u32 ndis_major_ver; 349 u32 ndis_minor_ver; 350 } __packed; 351 352 /* 353 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 354 * can then use the receive buffer to send data to the VSC. 355 */ 356 struct nvsp_1_message_send_receive_buffer { 357 u32 gpadl_handle; 358 u16 id; 359 } __packed; 360 361 struct nvsp_1_receive_buffer_section { 362 u32 offset; 363 u32 sub_alloc_size; 364 u32 num_sub_allocs; 365 u32 end_offset; 366 } __packed; 367 368 /* 369 * This message is used by the VSP to acknowledge a receive buffer send by the 370 * VSC. This message must be sent by the VSP before the VSP uses the receive 371 * buffer. 372 */ 373 struct nvsp_1_message_send_receive_buffer_complete { 374 u32 status; 375 u32 num_sections; 376 377 /* 378 * The receive buffer is split into two parts, a large suballocation 379 * section and a small suballocation section. These sections are then 380 * suballocated by a certain size. 381 */ 382 383 /* 384 * For example, the following break up of the receive buffer has 6 385 * large suballocations and 10 small suballocations. 386 */ 387 388 /* 389 * | Large Section | | Small Section | 390 * ------------------------------------------------------------ 391 * | | | | | | | | | | | | | | | | | | 392 * | | 393 * LargeOffset SmallOffset 394 */ 395 396 struct nvsp_1_receive_buffer_section sections[1]; 397 } __packed; 398 399 /* 400 * This message is sent by the VSC to revoke the receive buffer. After the VSP 401 * completes this transaction, the vsp should never use the receive buffer 402 * again. 403 */ 404 struct nvsp_1_message_revoke_receive_buffer { 405 u16 id; 406 }; 407 408 /* 409 * This message is used by the VSC to send a send buffer to the VSP. The VSC 410 * can then use the send buffer to send data to the VSP. 411 */ 412 struct nvsp_1_message_send_send_buffer { 413 u32 gpadl_handle; 414 u16 id; 415 } __packed; 416 417 /* 418 * This message is used by the VSP to acknowledge a send buffer sent by the 419 * VSC. This message must be sent by the VSP before the VSP uses the sent 420 * buffer. 421 */ 422 struct nvsp_1_message_send_send_buffer_complete { 423 u32 status; 424 425 /* 426 * The VSC gets to choose the size of the send buffer and the VSP gets 427 * to choose the sections size of the buffer. This was done to enable 428 * dynamic reconfigurations when the cost of GPA-direct buffers 429 * decreases. 430 */ 431 u32 section_size; 432 } __packed; 433 434 /* 435 * This message is sent by the VSC to revoke the send buffer. After the VSP 436 * completes this transaction, the vsp should never use the send buffer again. 437 */ 438 struct nvsp_1_message_revoke_send_buffer { 439 u16 id; 440 }; 441 442 /* 443 * This message is used by both the VSP and the VSC to send a RNDIS message to 444 * the opposite channel endpoint. 445 */ 446 struct nvsp_1_message_send_rndis_packet { 447 /* 448 * This field is specified by RNDIS. They assume there's two different 449 * channels of communication. However, the Network VSP only has one. 450 * Therefore, the channel travels with the RNDIS packet. 451 */ 452 u32 channel_type; 453 454 /* 455 * This field is used to send part or all of the data through a send 456 * buffer. This values specifies an index into the send buffer. If the 457 * index is 0xFFFFFFFF, then the send buffer is not being used and all 458 * of the data was sent through other VMBus mechanisms. 459 */ 460 u32 send_buf_section_index; 461 u32 send_buf_section_size; 462 } __packed; 463 464 /* 465 * This message is used by both the VSP and the VSC to complete a RNDIS message 466 * to the opposite channel endpoint. At this point, the initiator of this 467 * message cannot use any resources associated with the original RNDIS packet. 468 */ 469 struct nvsp_1_message_send_rndis_packet_complete { 470 u32 status; 471 }; 472 473 union nvsp_1_message_uber { 474 struct nvsp_1_message_send_ndis_version send_ndis_ver; 475 476 struct nvsp_1_message_send_receive_buffer send_recv_buf; 477 struct nvsp_1_message_send_receive_buffer_complete 478 send_recv_buf_complete; 479 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 480 481 struct nvsp_1_message_send_send_buffer send_send_buf; 482 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 483 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 484 485 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 486 struct nvsp_1_message_send_rndis_packet_complete 487 send_rndis_pkt_complete; 488 } __packed; 489 490 491 /* 492 * Network VSP protocol version 2 messages: 493 */ 494 struct nvsp_2_vsc_capability { 495 union { 496 u64 data; 497 struct { 498 u64 vmq:1; 499 u64 chimney:1; 500 u64 sriov:1; 501 u64 ieee8021q:1; 502 u64 correlation_id:1; 503 u64 teaming:1; 504 }; 505 }; 506 } __packed; 507 508 struct nvsp_2_send_ndis_config { 509 u32 mtu; 510 u32 reserved; 511 struct nvsp_2_vsc_capability capability; 512 } __packed; 513 514 /* Allocate receive buffer */ 515 struct nvsp_2_alloc_rxbuf { 516 /* Allocation ID to match the allocation request and response */ 517 u32 alloc_id; 518 519 /* Length of the VM shared memory receive buffer that needs to 520 * be allocated 521 */ 522 u32 len; 523 } __packed; 524 525 /* Allocate receive buffer complete */ 526 struct nvsp_2_alloc_rxbuf_comp { 527 /* The NDIS_STATUS code for buffer allocation */ 528 u32 status; 529 530 u32 alloc_id; 531 532 /* GPADL handle for the allocated receive buffer */ 533 u32 gpadl_handle; 534 535 /* Receive buffer ID */ 536 u64 recv_buf_id; 537 } __packed; 538 539 struct nvsp_2_free_rxbuf { 540 u64 recv_buf_id; 541 } __packed; 542 543 union nvsp_2_message_uber { 544 struct nvsp_2_send_ndis_config send_ndis_config; 545 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 546 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 547 struct nvsp_2_free_rxbuf free_rxbuf; 548 } __packed; 549 550 struct nvsp_4_send_vf_association { 551 /* 1: allocated, serial number is valid. 0: not allocated */ 552 u32 allocated; 553 554 /* Serial number of the VF to team with */ 555 u32 serial; 556 } __packed; 557 558 enum nvsp_vm_datapath { 559 NVSP_DATAPATH_SYNTHETIC = 0, 560 NVSP_DATAPATH_VF, 561 NVSP_DATAPATH_MAX 562 }; 563 564 struct nvsp_4_sw_datapath { 565 u32 active_datapath; /* active data path in VM */ 566 } __packed; 567 568 union nvsp_4_message_uber { 569 struct nvsp_4_send_vf_association vf_assoc; 570 struct nvsp_4_sw_datapath active_dp; 571 } __packed; 572 573 enum nvsp_subchannel_operation { 574 NVSP_SUBCHANNEL_NONE = 0, 575 NVSP_SUBCHANNEL_ALLOCATE, 576 NVSP_SUBCHANNEL_MAX 577 }; 578 579 struct nvsp_5_subchannel_request { 580 u32 op; 581 u32 num_subchannels; 582 } __packed; 583 584 struct nvsp_5_subchannel_complete { 585 u32 status; 586 u32 num_subchannels; /* Actual number of subchannels allocated */ 587 } __packed; 588 589 struct nvsp_5_send_indirect_table { 590 /* The number of entries in the send indirection table */ 591 u32 count; 592 593 /* The offset of the send indirection table from top of this struct. 594 * The send indirection table tells which channel to put the send 595 * traffic on. Each entry is a channel number. 596 */ 597 u32 offset; 598 } __packed; 599 600 union nvsp_5_message_uber { 601 struct nvsp_5_subchannel_request subchn_req; 602 struct nvsp_5_subchannel_complete subchn_comp; 603 struct nvsp_5_send_indirect_table send_table; 604 } __packed; 605 606 union nvsp_all_messages { 607 union nvsp_message_init_uber init_msg; 608 union nvsp_1_message_uber v1_msg; 609 union nvsp_2_message_uber v2_msg; 610 union nvsp_4_message_uber v4_msg; 611 union nvsp_5_message_uber v5_msg; 612 } __packed; 613 614 /* ALL Messages */ 615 struct nvsp_message { 616 struct nvsp_message_header hdr; 617 union nvsp_all_messages msg; 618 } __packed; 619 620 621 #define NETVSC_MTU 65535 622 #define NETVSC_MTU_MIN ETH_MIN_MTU 623 624 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */ 625 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */ 626 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 627 #define NETVSC_INVALID_INDEX -1 628 629 630 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 631 #define NETVSC_SEND_BUFFER_ID 0 632 633 #define NETVSC_PACKET_SIZE 4096 634 635 #define VRSS_SEND_TAB_SIZE 16 636 #define VRSS_CHANNEL_MAX 64 637 #define VRSS_CHANNEL_DEFAULT 8 638 639 #define RNDIS_MAX_PKT_DEFAULT 8 640 #define RNDIS_PKT_ALIGN_DEFAULT 8 641 642 struct multi_send_data { 643 struct sk_buff *skb; /* skb containing the pkt */ 644 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 645 u32 count; /* counter of batched packets */ 646 }; 647 648 struct recv_comp_data { 649 u64 tid; /* transaction id */ 650 u32 status; 651 }; 652 653 /* Netvsc Receive Slots Max */ 654 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1) 655 656 struct multi_recv_comp { 657 void *buf; /* queued receive completions */ 658 u32 first; /* first data entry */ 659 u32 next; /* next entry for writing */ 660 }; 661 662 struct netvsc_stats { 663 u64 packets; 664 u64 bytes; 665 u64 broadcast; 666 u64 multicast; 667 struct u64_stats_sync syncp; 668 }; 669 670 struct netvsc_ethtool_stats { 671 unsigned long tx_scattered; 672 unsigned long tx_no_memory; 673 unsigned long tx_no_space; 674 unsigned long tx_too_big; 675 unsigned long tx_busy; 676 }; 677 678 struct netvsc_reconfig { 679 struct list_head list; 680 u32 event; 681 }; 682 683 /* The context of the netvsc device */ 684 struct net_device_context { 685 /* point back to our device context */ 686 struct hv_device *device_ctx; 687 /* netvsc_device */ 688 struct netvsc_device *nvdev; 689 /* reconfigure work */ 690 struct delayed_work dwork; 691 /* last reconfig time */ 692 unsigned long last_reconfig; 693 /* reconfig events */ 694 struct list_head reconfig_events; 695 /* list protection */ 696 spinlock_t lock; 697 698 struct work_struct work; 699 u32 msg_enable; /* debug level */ 700 701 u32 tx_checksum_mask; 702 703 u32 tx_send_table[VRSS_SEND_TAB_SIZE]; 704 705 /* Ethtool settings */ 706 u8 duplex; 707 u32 speed; 708 struct netvsc_ethtool_stats eth_stats; 709 710 /* the device is going away */ 711 bool start_remove; 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 }; 721 722 /* Per channel data */ 723 struct netvsc_channel { 724 struct vmbus_channel *channel; 725 struct multi_send_data msd; 726 struct multi_recv_comp mrc; 727 atomic_t queue_sends; 728 729 struct netvsc_stats tx_stats; 730 struct netvsc_stats rx_stats; 731 }; 732 733 /* Per netvsc device */ 734 struct netvsc_device { 735 u32 nvsp_version; 736 737 wait_queue_head_t wait_drain; 738 bool destroy; 739 740 /* Receive buffer allocated by us but manages by NetVSP */ 741 void *recv_buf; 742 u32 recv_buf_size; 743 u32 recv_buf_gpadl_handle; 744 u32 recv_section_cnt; 745 struct nvsp_1_receive_buffer_section *recv_section; 746 747 /* Send buffer allocated by us */ 748 void *send_buf; 749 u32 send_buf_size; 750 u32 send_buf_gpadl_handle; 751 u32 send_section_cnt; 752 u32 send_section_size; 753 unsigned long *send_section_map; 754 755 /* Used for NetVSP initialization protocol */ 756 struct completion channel_init_wait; 757 struct nvsp_message channel_init_pkt; 758 759 struct nvsp_message revoke_packet; 760 761 u32 max_chn; 762 u32 num_chn; 763 spinlock_t sc_lock; /* Protects num_sc_offered variable */ 764 u32 num_sc_offered; 765 766 /* Holds rndis device info */ 767 void *extension; 768 769 int ring_size; 770 771 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 772 u32 pkt_align; /* alignment bytes, e.g. 8 */ 773 774 atomic_t num_outstanding_recvs; 775 776 atomic_t open_cnt; 777 778 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 779 }; 780 781 static inline struct netvsc_device * 782 net_device_to_netvsc_device(struct net_device *ndev) 783 { 784 return ((struct net_device_context *)netdev_priv(ndev))->nvdev; 785 } 786 787 static inline struct netvsc_device * 788 hv_device_to_netvsc_device(struct hv_device *device) 789 { 790 return net_device_to_netvsc_device(hv_get_drvdata(device)); 791 } 792 793 /* NdisInitialize message */ 794 struct rndis_initialize_request { 795 u32 req_id; 796 u32 major_ver; 797 u32 minor_ver; 798 u32 max_xfer_size; 799 }; 800 801 /* Response to NdisInitialize */ 802 struct rndis_initialize_complete { 803 u32 req_id; 804 u32 status; 805 u32 major_ver; 806 u32 minor_ver; 807 u32 dev_flags; 808 u32 medium; 809 u32 max_pkt_per_msg; 810 u32 max_xfer_size; 811 u32 pkt_alignment_factor; 812 u32 af_list_offset; 813 u32 af_list_size; 814 }; 815 816 /* Call manager devices only: Information about an address family */ 817 /* supported by the device is appended to the response to NdisInitialize. */ 818 struct rndis_co_address_family { 819 u32 address_family; 820 u32 major_ver; 821 u32 minor_ver; 822 }; 823 824 /* NdisHalt message */ 825 struct rndis_halt_request { 826 u32 req_id; 827 }; 828 829 /* NdisQueryRequest message */ 830 struct rndis_query_request { 831 u32 req_id; 832 u32 oid; 833 u32 info_buflen; 834 u32 info_buf_offset; 835 u32 dev_vc_handle; 836 }; 837 838 /* Response to NdisQueryRequest */ 839 struct rndis_query_complete { 840 u32 req_id; 841 u32 status; 842 u32 info_buflen; 843 u32 info_buf_offset; 844 }; 845 846 /* NdisSetRequest message */ 847 struct rndis_set_request { 848 u32 req_id; 849 u32 oid; 850 u32 info_buflen; 851 u32 info_buf_offset; 852 u32 dev_vc_handle; 853 }; 854 855 /* Response to NdisSetRequest */ 856 struct rndis_set_complete { 857 u32 req_id; 858 u32 status; 859 }; 860 861 /* NdisReset message */ 862 struct rndis_reset_request { 863 u32 reserved; 864 }; 865 866 /* Response to NdisReset */ 867 struct rndis_reset_complete { 868 u32 status; 869 u32 addressing_reset; 870 }; 871 872 /* NdisMIndicateStatus message */ 873 struct rndis_indicate_status { 874 u32 status; 875 u32 status_buflen; 876 u32 status_buf_offset; 877 }; 878 879 /* Diagnostic information passed as the status buffer in */ 880 /* struct rndis_indicate_status messages signifying error conditions. */ 881 struct rndis_diagnostic_info { 882 u32 diag_status; 883 u32 error_offset; 884 }; 885 886 /* NdisKeepAlive message */ 887 struct rndis_keepalive_request { 888 u32 req_id; 889 }; 890 891 /* Response to NdisKeepAlive */ 892 struct rndis_keepalive_complete { 893 u32 req_id; 894 u32 status; 895 }; 896 897 /* 898 * Data message. All Offset fields contain byte offsets from the beginning of 899 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 900 * to 0 for connectionless data, otherwise it contains the VC handle. 901 */ 902 struct rndis_packet { 903 u32 data_offset; 904 u32 data_len; 905 u32 oob_data_offset; 906 u32 oob_data_len; 907 u32 num_oob_data_elements; 908 u32 per_pkt_info_offset; 909 u32 per_pkt_info_len; 910 u32 vc_handle; 911 u32 reserved; 912 }; 913 914 /* Optional Out of Band data associated with a Data message. */ 915 struct rndis_oobd { 916 u32 size; 917 u32 type; 918 u32 class_info_offset; 919 }; 920 921 /* Packet extension field contents associated with a Data message. */ 922 struct rndis_per_packet_info { 923 u32 size; 924 u32 type; 925 u32 ppi_offset; 926 }; 927 928 enum ndis_per_pkt_info_type { 929 TCPIP_CHKSUM_PKTINFO, 930 IPSEC_PKTINFO, 931 TCP_LARGESEND_PKTINFO, 932 CLASSIFICATION_HANDLE_PKTINFO, 933 NDIS_RESERVED, 934 SG_LIST_PKTINFO, 935 IEEE_8021Q_INFO, 936 ORIGINAL_PKTINFO, 937 PACKET_CANCEL_ID, 938 NBL_HASH_VALUE = PACKET_CANCEL_ID, 939 ORIGINAL_NET_BUFLIST, 940 CACHED_NET_BUFLIST, 941 SHORT_PKT_PADINFO, 942 MAX_PER_PKT_INFO 943 }; 944 945 struct ndis_pkt_8021q_info { 946 union { 947 struct { 948 u32 pri:3; /* User Priority */ 949 u32 cfi:1; /* Canonical Format ID */ 950 u32 vlanid:12; /* VLAN ID */ 951 u32 reserved:16; 952 }; 953 u32 value; 954 }; 955 }; 956 957 struct ndis_object_header { 958 u8 type; 959 u8 revision; 960 u16 size; 961 }; 962 963 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 964 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 965 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 966 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 967 968 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 969 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 970 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 971 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 972 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 973 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 974 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 975 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 976 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 977 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 978 979 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 980 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 981 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 982 983 #define VERSION_4_OFFLOAD_SIZE 22 984 /* 985 * New offload OIDs for NDIS 6 986 */ 987 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 988 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 989 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 990 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 991 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 992 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 993 994 /* 995 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 996 * ndis_type: NDIS_OBJTYPE_OFFLOAD 997 */ 998 999 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1000 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1001 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1002 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1003 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1004 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1005 1006 struct ndis_csum_offload { 1007 u32 ip4_txenc; 1008 u32 ip4_txcsum; 1009 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1010 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1011 #define NDIS_TXCSUM_CAP_TCP4 0x010 1012 #define NDIS_TXCSUM_CAP_UDP4 0x040 1013 #define NDIS_TXCSUM_CAP_IP4 0x100 1014 1015 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1016 1017 u32 ip4_rxenc; 1018 u32 ip4_rxcsum; 1019 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1020 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1021 #define NDIS_RXCSUM_CAP_TCP4 0x010 1022 #define NDIS_RXCSUM_CAP_UDP4 0x040 1023 #define NDIS_RXCSUM_CAP_IP4 0x100 1024 u32 ip6_txenc; 1025 u32 ip6_txcsum; 1026 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1027 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1028 #define NDIS_TXCSUM_CAP_TCP6 0x010 1029 #define NDIS_TXCSUM_CAP_UDP6 0x040 1030 u32 ip6_rxenc; 1031 u32 ip6_rxcsum; 1032 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1033 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1034 #define NDIS_RXCSUM_CAP_TCP6 0x010 1035 #define NDIS_RXCSUM_CAP_UDP6 0x040 1036 1037 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1038 NDIS_TXCSUM_CAP_TCP6OPT | \ 1039 NDIS_TXCSUM_CAP_IP6EXT) 1040 }; 1041 1042 struct ndis_lsov1_offload { 1043 u32 encap; 1044 u32 maxsize; 1045 u32 minsegs; 1046 u32 opts; 1047 }; 1048 1049 struct ndis_ipsecv1_offload { 1050 u32 encap; 1051 u32 ah_esp; 1052 u32 xport_tun; 1053 u32 ip4_opts; 1054 u32 flags; 1055 u32 ip4_ah; 1056 u32 ip4_esp; 1057 }; 1058 1059 struct ndis_lsov2_offload { 1060 u32 ip4_encap; 1061 u32 ip4_maxsz; 1062 u32 ip4_minsg; 1063 u32 ip6_encap; 1064 u32 ip6_maxsz; 1065 u32 ip6_minsg; 1066 u32 ip6_opts; 1067 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1068 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1069 1070 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1071 NDIS_LSOV2_CAP_TCP6OPT) 1072 }; 1073 1074 struct ndis_ipsecv2_offload { 1075 u32 encap; 1076 u16 ip6; 1077 u16 ip4opt; 1078 u16 ip6ext; 1079 u16 ah; 1080 u16 esp; 1081 u16 ah_esp; 1082 u16 xport; 1083 u16 tun; 1084 u16 xport_tun; 1085 u16 lso; 1086 u16 extseq; 1087 u32 udp_esp; 1088 u32 auth; 1089 u32 crypto; 1090 u32 sa_caps; 1091 }; 1092 1093 struct ndis_rsc_offload { 1094 u16 ip4; 1095 u16 ip6; 1096 }; 1097 1098 struct ndis_encap_offload { 1099 u32 flags; 1100 u32 maxhdr; 1101 }; 1102 1103 struct ndis_offload { 1104 struct ndis_object_header header; 1105 struct ndis_csum_offload csum; 1106 struct ndis_lsov1_offload lsov1; 1107 struct ndis_ipsecv1_offload ipsecv1; 1108 struct ndis_lsov2_offload lsov2; 1109 u32 flags; 1110 /* NDIS >= 6.1 */ 1111 struct ndis_ipsecv2_offload ipsecv2; 1112 /* NDIS >= 6.30 */ 1113 struct ndis_rsc_offload rsc; 1114 struct ndis_encap_offload encap_gre; 1115 }; 1116 1117 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1118 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1119 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1120 1121 struct ndis_offload_params { 1122 struct ndis_object_header header; 1123 u8 ip_v4_csum; 1124 u8 tcp_ip_v4_csum; 1125 u8 udp_ip_v4_csum; 1126 u8 tcp_ip_v6_csum; 1127 u8 udp_ip_v6_csum; 1128 u8 lso_v1; 1129 u8 ip_sec_v1; 1130 u8 lso_v2_ipv4; 1131 u8 lso_v2_ipv6; 1132 u8 tcp_connection_ip_v4; 1133 u8 tcp_connection_ip_v6; 1134 u32 flags; 1135 u8 ip_sec_v2; 1136 u8 ip_sec_v2_ip_v4; 1137 struct { 1138 u8 rsc_ip_v4; 1139 u8 rsc_ip_v6; 1140 }; 1141 struct { 1142 u8 encapsulated_packet_task_offload; 1143 u8 encapsulation_types; 1144 }; 1145 }; 1146 1147 struct ndis_tcp_ip_checksum_info { 1148 union { 1149 struct { 1150 u32 is_ipv4:1; 1151 u32 is_ipv6:1; 1152 u32 tcp_checksum:1; 1153 u32 udp_checksum:1; 1154 u32 ip_header_checksum:1; 1155 u32 reserved:11; 1156 u32 tcp_header_offset:10; 1157 } transmit; 1158 struct { 1159 u32 tcp_checksum_failed:1; 1160 u32 udp_checksum_failed:1; 1161 u32 ip_checksum_failed:1; 1162 u32 tcp_checksum_succeeded:1; 1163 u32 udp_checksum_succeeded:1; 1164 u32 ip_checksum_succeeded:1; 1165 u32 loopback:1; 1166 u32 tcp_checksum_value_invalid:1; 1167 u32 ip_checksum_value_invalid:1; 1168 } receive; 1169 u32 value; 1170 }; 1171 }; 1172 1173 struct ndis_tcp_lso_info { 1174 union { 1175 struct { 1176 u32 unused:30; 1177 u32 type:1; 1178 u32 reserved2:1; 1179 } transmit; 1180 struct { 1181 u32 mss:20; 1182 u32 tcp_header_offset:10; 1183 u32 type:1; 1184 u32 reserved2:1; 1185 } lso_v1_transmit; 1186 struct { 1187 u32 tcp_payload:30; 1188 u32 type:1; 1189 u32 reserved2:1; 1190 } lso_v1_transmit_complete; 1191 struct { 1192 u32 mss:20; 1193 u32 tcp_header_offset:10; 1194 u32 type:1; 1195 u32 ip_version:1; 1196 } lso_v2_transmit; 1197 struct { 1198 u32 reserved:30; 1199 u32 type:1; 1200 u32 reserved2:1; 1201 } lso_v2_transmit_complete; 1202 u32 value; 1203 }; 1204 }; 1205 1206 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1207 sizeof(struct ndis_pkt_8021q_info)) 1208 1209 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1210 sizeof(struct ndis_tcp_ip_checksum_info)) 1211 1212 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1213 sizeof(struct ndis_tcp_lso_info)) 1214 1215 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1216 sizeof(u32)) 1217 1218 /* Total size of all PPI data */ 1219 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1220 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1221 1222 /* Format of Information buffer passed in a SetRequest for the OID */ 1223 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1224 struct rndis_config_parameter_info { 1225 u32 parameter_name_offset; 1226 u32 parameter_name_length; 1227 u32 parameter_type; 1228 u32 parameter_value_offset; 1229 u32 parameter_value_length; 1230 }; 1231 1232 /* Values for ParameterType in struct rndis_config_parameter_info */ 1233 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1234 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1235 1236 /* CONDIS Miniport messages for connection oriented devices */ 1237 /* that do not implement a call manager. */ 1238 1239 /* CoNdisMiniportCreateVc message */ 1240 struct rcondis_mp_create_vc { 1241 u32 req_id; 1242 u32 ndis_vc_handle; 1243 }; 1244 1245 /* Response to CoNdisMiniportCreateVc */ 1246 struct rcondis_mp_create_vc_complete { 1247 u32 req_id; 1248 u32 dev_vc_handle; 1249 u32 status; 1250 }; 1251 1252 /* CoNdisMiniportDeleteVc message */ 1253 struct rcondis_mp_delete_vc { 1254 u32 req_id; 1255 u32 dev_vc_handle; 1256 }; 1257 1258 /* Response to CoNdisMiniportDeleteVc */ 1259 struct rcondis_mp_delete_vc_complete { 1260 u32 req_id; 1261 u32 status; 1262 }; 1263 1264 /* CoNdisMiniportQueryRequest message */ 1265 struct rcondis_mp_query_request { 1266 u32 req_id; 1267 u32 request_type; 1268 u32 oid; 1269 u32 dev_vc_handle; 1270 u32 info_buflen; 1271 u32 info_buf_offset; 1272 }; 1273 1274 /* CoNdisMiniportSetRequest message */ 1275 struct rcondis_mp_set_request { 1276 u32 req_id; 1277 u32 request_type; 1278 u32 oid; 1279 u32 dev_vc_handle; 1280 u32 info_buflen; 1281 u32 info_buf_offset; 1282 }; 1283 1284 /* CoNdisIndicateStatus message */ 1285 struct rcondis_indicate_status { 1286 u32 ndis_vc_handle; 1287 u32 status; 1288 u32 status_buflen; 1289 u32 status_buf_offset; 1290 }; 1291 1292 /* CONDIS Call/VC parameters */ 1293 struct rcondis_specific_parameters { 1294 u32 parameter_type; 1295 u32 parameter_length; 1296 u32 parameter_lffset; 1297 }; 1298 1299 struct rcondis_media_parameters { 1300 u32 flags; 1301 u32 reserved1; 1302 u32 reserved2; 1303 struct rcondis_specific_parameters media_specific; 1304 }; 1305 1306 struct rndis_flowspec { 1307 u32 token_rate; 1308 u32 token_bucket_size; 1309 u32 peak_bandwidth; 1310 u32 latency; 1311 u32 delay_variation; 1312 u32 service_type; 1313 u32 max_sdu_size; 1314 u32 minimum_policed_size; 1315 }; 1316 1317 struct rcondis_call_manager_parameters { 1318 struct rndis_flowspec transmit; 1319 struct rndis_flowspec receive; 1320 struct rcondis_specific_parameters call_mgr_specific; 1321 }; 1322 1323 /* CoNdisMiniportActivateVc message */ 1324 struct rcondis_mp_activate_vc_request { 1325 u32 req_id; 1326 u32 flags; 1327 u32 dev_vc_handle; 1328 u32 media_params_offset; 1329 u32 media_params_length; 1330 u32 call_mgr_params_offset; 1331 u32 call_mgr_params_length; 1332 }; 1333 1334 /* Response to CoNdisMiniportActivateVc */ 1335 struct rcondis_mp_activate_vc_complete { 1336 u32 req_id; 1337 u32 status; 1338 }; 1339 1340 /* CoNdisMiniportDeactivateVc message */ 1341 struct rcondis_mp_deactivate_vc_request { 1342 u32 req_id; 1343 u32 flags; 1344 u32 dev_vc_handle; 1345 }; 1346 1347 /* Response to CoNdisMiniportDeactivateVc */ 1348 struct rcondis_mp_deactivate_vc_complete { 1349 u32 req_id; 1350 u32 status; 1351 }; 1352 1353 1354 /* union with all of the RNDIS messages */ 1355 union rndis_message_container { 1356 struct rndis_packet pkt; 1357 struct rndis_initialize_request init_req; 1358 struct rndis_halt_request halt_req; 1359 struct rndis_query_request query_req; 1360 struct rndis_set_request set_req; 1361 struct rndis_reset_request reset_req; 1362 struct rndis_keepalive_request keep_alive_req; 1363 struct rndis_indicate_status indicate_status; 1364 struct rndis_initialize_complete init_complete; 1365 struct rndis_query_complete query_complete; 1366 struct rndis_set_complete set_complete; 1367 struct rndis_reset_complete reset_complete; 1368 struct rndis_keepalive_complete keep_alive_complete; 1369 struct rcondis_mp_create_vc co_miniport_create_vc; 1370 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1371 struct rcondis_indicate_status co_indicate_status; 1372 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1373 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1374 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1375 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1376 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1377 struct rcondis_mp_deactivate_vc_complete 1378 co_miniport_deactivate_vc_complete; 1379 }; 1380 1381 /* Remote NDIS message format */ 1382 struct rndis_message { 1383 u32 ndis_msg_type; 1384 1385 /* Total length of this message, from the beginning */ 1386 /* of the struct rndis_message, in bytes. */ 1387 u32 msg_len; 1388 1389 /* Actual message */ 1390 union rndis_message_container msg; 1391 }; 1392 1393 1394 /* Handy macros */ 1395 1396 /* get the size of an RNDIS message. Pass in the message type, */ 1397 /* struct rndis_set_request, struct rndis_packet for example */ 1398 #define RNDIS_MESSAGE_SIZE(msg) \ 1399 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1400 sizeof(union rndis_message_container))) 1401 1402 /* get pointer to info buffer with message pointer */ 1403 #define MESSAGE_TO_INFO_BUFFER(msg) \ 1404 (((unsigned char *)(msg)) + msg->info_buf_offset) 1405 1406 /* get pointer to status buffer with message pointer */ 1407 #define MESSAGE_TO_STATUS_BUFFER(msg) \ 1408 (((unsigned char *)(msg)) + msg->status_buf_offset) 1409 1410 /* get pointer to OOBD buffer with message pointer */ 1411 #define MESSAGE_TO_OOBD_BUFFER(msg) \ 1412 (((unsigned char *)(msg)) + msg->oob_data_offset) 1413 1414 /* get pointer to data buffer with message pointer */ 1415 #define MESSAGE_TO_DATA_BUFFER(msg) \ 1416 (((unsigned char *)(msg)) + msg->per_pkt_info_offset) 1417 1418 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1419 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1420 ((void *) &rndis_msg->msg) 1421 1422 /* get pointer to contained message from NDIS_MESSAGE pointer */ 1423 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \ 1424 ((void *) rndis_msg) 1425 1426 1427 #define __struct_bcount(x) 1428 1429 1430 1431 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1432 sizeof(union rndis_message_container)) 1433 1434 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1435 1436 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1437 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1438 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1439 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1440 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1441 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1442 #define NDIS_PACKET_TYPE_SMT 0x00000040 1443 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1444 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1445 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1446 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1447 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1448 1449 #define TRANSPORT_INFO_NOT_IP 0 1450 #define TRANSPORT_INFO_IPV4_TCP 0x01 1451 #define TRANSPORT_INFO_IPV4_UDP 0x02 1452 #define TRANSPORT_INFO_IPV6_TCP 0x10 1453 #define TRANSPORT_INFO_IPV6_UDP 0x20 1454 1455 #endif /* _HYPERV_NET_H */ 1456