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