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