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 hashkey_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 u32 num_chn; 150 u32 send_sections; 151 u32 recv_sections; 152 u32 send_section_size; 153 u32 recv_section_size; 154 }; 155 156 enum rndis_device_state { 157 RNDIS_DEV_UNINITIALIZED = 0, 158 RNDIS_DEV_INITIALIZING, 159 RNDIS_DEV_INITIALIZED, 160 RNDIS_DEV_DATAINITIALIZED, 161 }; 162 163 #define NETVSC_HASH_KEYLEN 40 164 165 struct rndis_device { 166 struct net_device *ndev; 167 168 enum rndis_device_state state; 169 170 atomic_t new_req_id; 171 172 spinlock_t request_lock; 173 struct list_head req_list; 174 175 struct work_struct mcast_work; 176 u32 filter; 177 178 bool link_state; /* 0 - link up, 1 - link down */ 179 180 u8 hw_mac_adr[ETH_ALEN]; 181 u8 rss_key[NETVSC_HASH_KEYLEN]; 182 u16 rx_table[ITAB_NUM]; 183 }; 184 185 186 /* Interface */ 187 struct rndis_message; 188 struct netvsc_device; 189 struct net_device_context; 190 191 extern u32 netvsc_ring_bytes; 192 193 struct netvsc_device *netvsc_device_add(struct hv_device *device, 194 const struct netvsc_device_info *info); 195 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 196 void netvsc_device_remove(struct hv_device *device); 197 int netvsc_send(struct net_device *net, 198 struct hv_netvsc_packet *packet, 199 struct rndis_message *rndis_msg, 200 struct hv_page_buffer *page_buffer, 201 struct sk_buff *skb); 202 void netvsc_linkstatus_callback(struct net_device *net, 203 struct rndis_message *resp); 204 int netvsc_recv_callback(struct net_device *net, 205 struct netvsc_device *nvdev, 206 struct vmbus_channel *channel, 207 void *data, u32 len, 208 const struct ndis_tcp_ip_checksum_info *csum_info, 209 const struct ndis_pkt_8021q_info *vlan); 210 void netvsc_channel_cb(void *context); 211 int netvsc_poll(struct napi_struct *napi, int budget); 212 213 void rndis_set_subchannel(struct work_struct *w); 214 int rndis_filter_open(struct netvsc_device *nvdev); 215 int rndis_filter_close(struct netvsc_device *nvdev); 216 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 217 struct netvsc_device_info *info); 218 void rndis_filter_update(struct netvsc_device *nvdev); 219 void rndis_filter_device_remove(struct hv_device *dev, 220 struct netvsc_device *nvdev); 221 int rndis_filter_set_rss_param(struct rndis_device *rdev, 222 const u8 *key); 223 int rndis_filter_receive(struct net_device *ndev, 224 struct netvsc_device *net_dev, 225 struct vmbus_channel *channel, 226 void *data, u32 buflen); 227 228 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 229 const char *mac); 230 231 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 232 233 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 234 235 #define NVSP_PROTOCOL_VERSION_1 2 236 #define NVSP_PROTOCOL_VERSION_2 0x30002 237 #define NVSP_PROTOCOL_VERSION_4 0x40000 238 #define NVSP_PROTOCOL_VERSION_5 0x50000 239 #define NVSP_PROTOCOL_VERSION_6 0x60000 240 #define NVSP_PROTOCOL_VERSION_61 0x60001 241 242 enum { 243 NVSP_MSG_TYPE_NONE = 0, 244 245 /* Init Messages */ 246 NVSP_MSG_TYPE_INIT = 1, 247 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 248 249 NVSP_VERSION_MSG_START = 100, 250 251 /* Version 1 Messages */ 252 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 253 254 NVSP_MSG1_TYPE_SEND_RECV_BUF, 255 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 256 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 257 258 NVSP_MSG1_TYPE_SEND_SEND_BUF, 259 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 260 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 261 262 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 263 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 264 265 /* Version 2 messages */ 266 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 267 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 268 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 269 270 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 271 272 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 273 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 274 275 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 276 277 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 278 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 279 280 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 281 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 282 283 NVSP_MSG2_TYPE_ALLOC_RXBUF, 284 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 285 286 NVSP_MSG2_TYPE_FREE_RXBUF, 287 288 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 289 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 290 291 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 292 293 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 294 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 295 296 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 297 298 /* Version 4 messages */ 299 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 300 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 301 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 302 303 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 304 305 /* Version 5 messages */ 306 NVSP_MSG5_TYPE_OID_QUERY_EX, 307 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 308 NVSP_MSG5_TYPE_SUBCHANNEL, 309 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 310 311 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 312 313 /* Version 6 messages */ 314 NVSP_MSG6_TYPE_PD_API, 315 NVSP_MSG6_TYPE_PD_POST_BATCH, 316 317 NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH 318 }; 319 320 enum { 321 NVSP_STAT_NONE = 0, 322 NVSP_STAT_SUCCESS, 323 NVSP_STAT_FAIL, 324 NVSP_STAT_PROTOCOL_TOO_NEW, 325 NVSP_STAT_PROTOCOL_TOO_OLD, 326 NVSP_STAT_INVALID_RNDIS_PKT, 327 NVSP_STAT_BUSY, 328 NVSP_STAT_PROTOCOL_UNSUPPORTED, 329 NVSP_STAT_MAX, 330 }; 331 332 struct nvsp_message_header { 333 u32 msg_type; 334 }; 335 336 /* Init Messages */ 337 338 /* 339 * This message is used by the VSC to initialize the channel after the channels 340 * has been opened. This message should never include anything other then 341 * versioning (i.e. this message will be the same for ever). 342 */ 343 struct nvsp_message_init { 344 u32 min_protocol_ver; 345 u32 max_protocol_ver; 346 } __packed; 347 348 /* 349 * This message is used by the VSP to complete the initialization of the 350 * channel. This message should never include anything other then versioning 351 * (i.e. this message will be the same for ever). 352 */ 353 struct nvsp_message_init_complete { 354 u32 negotiated_protocol_ver; 355 u32 max_mdl_chain_len; 356 u32 status; 357 } __packed; 358 359 union nvsp_message_init_uber { 360 struct nvsp_message_init init; 361 struct nvsp_message_init_complete init_complete; 362 } __packed; 363 364 /* Version 1 Messages */ 365 366 /* 367 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 368 * can use this information when handling OIDs sent by the VSC. 369 */ 370 struct nvsp_1_message_send_ndis_version { 371 u32 ndis_major_ver; 372 u32 ndis_minor_ver; 373 } __packed; 374 375 /* 376 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 377 * can then use the receive buffer to send data to the VSC. 378 */ 379 struct nvsp_1_message_send_receive_buffer { 380 u32 gpadl_handle; 381 u16 id; 382 } __packed; 383 384 struct nvsp_1_receive_buffer_section { 385 u32 offset; 386 u32 sub_alloc_size; 387 u32 num_sub_allocs; 388 u32 end_offset; 389 } __packed; 390 391 /* 392 * This message is used by the VSP to acknowledge a receive buffer send by the 393 * VSC. This message must be sent by the VSP before the VSP uses the receive 394 * buffer. 395 */ 396 struct nvsp_1_message_send_receive_buffer_complete { 397 u32 status; 398 u32 num_sections; 399 400 /* 401 * The receive buffer is split into two parts, a large suballocation 402 * section and a small suballocation section. These sections are then 403 * suballocated by a certain size. 404 */ 405 406 /* 407 * For example, the following break up of the receive buffer has 6 408 * large suballocations and 10 small suballocations. 409 */ 410 411 /* 412 * | Large Section | | Small Section | 413 * ------------------------------------------------------------ 414 * | | | | | | | | | | | | | | | | | | 415 * | | 416 * LargeOffset SmallOffset 417 */ 418 419 struct nvsp_1_receive_buffer_section sections[1]; 420 } __packed; 421 422 /* 423 * This message is sent by the VSC to revoke the receive buffer. After the VSP 424 * completes this transaction, the vsp should never use the receive buffer 425 * again. 426 */ 427 struct nvsp_1_message_revoke_receive_buffer { 428 u16 id; 429 }; 430 431 /* 432 * This message is used by the VSC to send a send buffer to the VSP. The VSC 433 * can then use the send buffer to send data to the VSP. 434 */ 435 struct nvsp_1_message_send_send_buffer { 436 u32 gpadl_handle; 437 u16 id; 438 } __packed; 439 440 /* 441 * This message is used by the VSP to acknowledge a send buffer sent by the 442 * VSC. This message must be sent by the VSP before the VSP uses the sent 443 * buffer. 444 */ 445 struct nvsp_1_message_send_send_buffer_complete { 446 u32 status; 447 448 /* 449 * The VSC gets to choose the size of the send buffer and the VSP gets 450 * to choose the sections size of the buffer. This was done to enable 451 * dynamic reconfigurations when the cost of GPA-direct buffers 452 * decreases. 453 */ 454 u32 section_size; 455 } __packed; 456 457 /* 458 * This message is sent by the VSC to revoke the send buffer. After the VSP 459 * completes this transaction, the vsp should never use the send buffer again. 460 */ 461 struct nvsp_1_message_revoke_send_buffer { 462 u16 id; 463 }; 464 465 /* 466 * This message is used by both the VSP and the VSC to send a RNDIS message to 467 * the opposite channel endpoint. 468 */ 469 struct nvsp_1_message_send_rndis_packet { 470 /* 471 * This field is specified by RNDIS. They assume there's two different 472 * channels of communication. However, the Network VSP only has one. 473 * Therefore, the channel travels with the RNDIS packet. 474 */ 475 u32 channel_type; 476 477 /* 478 * This field is used to send part or all of the data through a send 479 * buffer. This values specifies an index into the send buffer. If the 480 * index is 0xFFFFFFFF, then the send buffer is not being used and all 481 * of the data was sent through other VMBus mechanisms. 482 */ 483 u32 send_buf_section_index; 484 u32 send_buf_section_size; 485 } __packed; 486 487 /* 488 * This message is used by both the VSP and the VSC to complete a RNDIS message 489 * to the opposite channel endpoint. At this point, the initiator of this 490 * message cannot use any resources associated with the original RNDIS packet. 491 */ 492 struct nvsp_1_message_send_rndis_packet_complete { 493 u32 status; 494 }; 495 496 union nvsp_1_message_uber { 497 struct nvsp_1_message_send_ndis_version send_ndis_ver; 498 499 struct nvsp_1_message_send_receive_buffer send_recv_buf; 500 struct nvsp_1_message_send_receive_buffer_complete 501 send_recv_buf_complete; 502 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 503 504 struct nvsp_1_message_send_send_buffer send_send_buf; 505 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 506 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 507 508 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 509 struct nvsp_1_message_send_rndis_packet_complete 510 send_rndis_pkt_complete; 511 } __packed; 512 513 514 /* 515 * Network VSP protocol version 2 messages: 516 */ 517 struct nvsp_2_vsc_capability { 518 union { 519 u64 data; 520 struct { 521 u64 vmq:1; 522 u64 chimney:1; 523 u64 sriov:1; 524 u64 ieee8021q:1; 525 u64 correlation_id:1; 526 u64 teaming:1; 527 }; 528 }; 529 } __packed; 530 531 struct nvsp_2_send_ndis_config { 532 u32 mtu; 533 u32 reserved; 534 struct nvsp_2_vsc_capability capability; 535 } __packed; 536 537 /* Allocate receive buffer */ 538 struct nvsp_2_alloc_rxbuf { 539 /* Allocation ID to match the allocation request and response */ 540 u32 alloc_id; 541 542 /* Length of the VM shared memory receive buffer that needs to 543 * be allocated 544 */ 545 u32 len; 546 } __packed; 547 548 /* Allocate receive buffer complete */ 549 struct nvsp_2_alloc_rxbuf_comp { 550 /* The NDIS_STATUS code for buffer allocation */ 551 u32 status; 552 553 u32 alloc_id; 554 555 /* GPADL handle for the allocated receive buffer */ 556 u32 gpadl_handle; 557 558 /* Receive buffer ID */ 559 u64 recv_buf_id; 560 } __packed; 561 562 struct nvsp_2_free_rxbuf { 563 u64 recv_buf_id; 564 } __packed; 565 566 union nvsp_2_message_uber { 567 struct nvsp_2_send_ndis_config send_ndis_config; 568 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 569 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 570 struct nvsp_2_free_rxbuf free_rxbuf; 571 } __packed; 572 573 struct nvsp_4_send_vf_association { 574 /* 1: allocated, serial number is valid. 0: not allocated */ 575 u32 allocated; 576 577 /* Serial number of the VF to team with */ 578 u32 serial; 579 } __packed; 580 581 enum nvsp_vm_datapath { 582 NVSP_DATAPATH_SYNTHETIC = 0, 583 NVSP_DATAPATH_VF, 584 NVSP_DATAPATH_MAX 585 }; 586 587 struct nvsp_4_sw_datapath { 588 u32 active_datapath; /* active data path in VM */ 589 } __packed; 590 591 union nvsp_4_message_uber { 592 struct nvsp_4_send_vf_association vf_assoc; 593 struct nvsp_4_sw_datapath active_dp; 594 } __packed; 595 596 enum nvsp_subchannel_operation { 597 NVSP_SUBCHANNEL_NONE = 0, 598 NVSP_SUBCHANNEL_ALLOCATE, 599 NVSP_SUBCHANNEL_MAX 600 }; 601 602 struct nvsp_5_subchannel_request { 603 u32 op; 604 u32 num_subchannels; 605 } __packed; 606 607 struct nvsp_5_subchannel_complete { 608 u32 status; 609 u32 num_subchannels; /* Actual number of subchannels allocated */ 610 } __packed; 611 612 struct nvsp_5_send_indirect_table { 613 /* The number of entries in the send indirection table */ 614 u32 count; 615 616 /* The offset of the send indirection table from top of this struct. 617 * The send indirection table tells which channel to put the send 618 * traffic on. Each entry is a channel number. 619 */ 620 u32 offset; 621 } __packed; 622 623 union nvsp_5_message_uber { 624 struct nvsp_5_subchannel_request subchn_req; 625 struct nvsp_5_subchannel_complete subchn_comp; 626 struct nvsp_5_send_indirect_table send_table; 627 } __packed; 628 629 enum nvsp_6_pd_api_op { 630 PD_API_OP_CONFIG = 1, 631 PD_API_OP_SW_DATAPATH, /* Switch Datapath */ 632 PD_API_OP_OPEN_PROVIDER, 633 PD_API_OP_CLOSE_PROVIDER, 634 PD_API_OP_CREATE_QUEUE, 635 PD_API_OP_FLUSH_QUEUE, 636 PD_API_OP_FREE_QUEUE, 637 PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ 638 PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ 639 PD_API_OP_MAX 640 }; 641 642 struct grp_affinity { 643 u64 mask; 644 u16 grp; 645 u16 reserved[3]; 646 } __packed; 647 648 struct nvsp_6_pd_api_req { 649 u32 op; 650 651 union { 652 /* MMIO information is sent from the VM to VSP */ 653 struct __packed { 654 u64 mmio_pa; /* MMIO Physical Address */ 655 u32 mmio_len; 656 657 /* Number of PD queues a VM can support */ 658 u16 num_subchn; 659 } config; 660 661 /* Switch Datapath */ 662 struct __packed { 663 /* Host Datapath Is PacketDirect */ 664 u8 host_dpath_is_pd; 665 666 /* Guest PacketDirect Is Enabled */ 667 u8 guest_pd_enabled; 668 } sw_dpath; 669 670 /* Open Provider*/ 671 struct __packed { 672 u32 prov_id; /* Provider id */ 673 u32 flag; 674 } open_prov; 675 676 /* Close Provider */ 677 struct __packed { 678 u32 prov_id; 679 } cls_prov; 680 681 /* Create Queue*/ 682 struct __packed { 683 u32 prov_id; 684 u16 q_id; 685 u16 q_size; 686 u8 is_recv_q; 687 u8 is_rss_q; 688 u32 recv_data_len; 689 struct grp_affinity affy; 690 } cr_q; 691 692 /* Delete Queue*/ 693 struct __packed { 694 u32 prov_id; 695 u16 q_id; 696 } del_q; 697 698 /* Flush Queue */ 699 struct __packed { 700 u32 prov_id; 701 u16 q_id; 702 } flush_q; 703 704 /* Allocate Common Buffer */ 705 struct __packed { 706 u32 len; 707 u32 pf_node; /* Preferred Node */ 708 u16 region_id; 709 } alloc_com_buf; 710 711 /* Free Common Buffer */ 712 struct __packed { 713 u32 len; 714 u64 pa; /* Physical Address */ 715 u32 pf_node; /* Preferred Node */ 716 u16 region_id; 717 u8 cache_type; 718 } free_com_buf; 719 } __packed; 720 } __packed; 721 722 struct nvsp_6_pd_api_comp { 723 u32 op; 724 u32 status; 725 726 union { 727 struct __packed { 728 /* actual number of PD queues allocated to the VM */ 729 u16 num_pd_q; 730 731 /* Num Receive Rss PD Queues */ 732 u8 num_rss_q; 733 734 u8 is_supported; /* Is supported by VSP */ 735 u8 is_enabled; /* Is enabled by VSP */ 736 } config; 737 738 /* Open Provider */ 739 struct __packed { 740 u32 prov_id; 741 } open_prov; 742 743 /* Create Queue */ 744 struct __packed { 745 u32 prov_id; 746 u16 q_id; 747 u16 q_size; 748 u32 recv_data_len; 749 struct grp_affinity affy; 750 } cr_q; 751 752 /* Allocate Common Buffer */ 753 struct __packed { 754 u64 pa; /* Physical Address */ 755 u32 len; 756 u32 pf_node; /* Preferred Node */ 757 u16 region_id; 758 u8 cache_type; 759 } alloc_com_buf; 760 } __packed; 761 } __packed; 762 763 struct nvsp_6_pd_buf { 764 u32 region_offset; 765 u16 region_id; 766 u16 is_partial:1; 767 u16 reserved:15; 768 } __packed; 769 770 struct nvsp_6_pd_batch_msg { 771 struct nvsp_message_header hdr; 772 u16 count; 773 u16 guest2host:1; 774 u16 is_recv:1; 775 u16 reserved:14; 776 struct nvsp_6_pd_buf pd_buf[0]; 777 } __packed; 778 779 union nvsp_6_message_uber { 780 struct nvsp_6_pd_api_req pd_req; 781 struct nvsp_6_pd_api_comp pd_comp; 782 } __packed; 783 784 union nvsp_all_messages { 785 union nvsp_message_init_uber init_msg; 786 union nvsp_1_message_uber v1_msg; 787 union nvsp_2_message_uber v2_msg; 788 union nvsp_4_message_uber v4_msg; 789 union nvsp_5_message_uber v5_msg; 790 union nvsp_6_message_uber v6_msg; 791 } __packed; 792 793 /* ALL Messages */ 794 struct nvsp_message { 795 struct nvsp_message_header hdr; 796 union nvsp_all_messages msg; 797 } __packed; 798 799 800 #define NETVSC_MTU 65535 801 #define NETVSC_MTU_MIN ETH_MIN_MTU 802 803 /* Max buffer sizes allowed by a host */ 804 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ 805 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ 806 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) 807 808 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 809 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) 810 811 #define NETVSC_INVALID_INDEX -1 812 813 #define NETVSC_SEND_SECTION_SIZE 6144 814 #define NETVSC_RECV_SECTION_SIZE 1728 815 816 /* Default size of TX buf: 1MB, RX buf: 16MB */ 817 #define NETVSC_MIN_TX_SECTIONS 10 818 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ 819 / NETVSC_SEND_SECTION_SIZE) 820 #define NETVSC_MIN_RX_SECTIONS 10 821 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ 822 / NETVSC_RECV_SECTION_SIZE) 823 824 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 825 #define NETVSC_SEND_BUFFER_ID 0 826 827 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ 828 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ 829 NETIF_F_TSO6) 830 831 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 832 #define VRSS_CHANNEL_MAX 64 833 #define VRSS_CHANNEL_DEFAULT 8 834 835 #define RNDIS_MAX_PKT_DEFAULT 8 836 #define RNDIS_PKT_ALIGN_DEFAULT 8 837 838 struct multi_send_data { 839 struct sk_buff *skb; /* skb containing the pkt */ 840 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 841 u32 count; /* counter of batched packets */ 842 }; 843 844 struct recv_comp_data { 845 u64 tid; /* transaction id */ 846 u32 status; 847 }; 848 849 struct multi_recv_comp { 850 struct recv_comp_data *slots; 851 u32 first; /* first data entry */ 852 u32 next; /* next entry for writing */ 853 }; 854 855 struct netvsc_stats { 856 u64 packets; 857 u64 bytes; 858 u64 broadcast; 859 u64 multicast; 860 struct u64_stats_sync syncp; 861 }; 862 863 struct netvsc_ethtool_stats { 864 unsigned long tx_scattered; 865 unsigned long tx_no_memory; 866 unsigned long tx_no_space; 867 unsigned long tx_too_big; 868 unsigned long tx_busy; 869 unsigned long tx_send_full; 870 unsigned long rx_comp_busy; 871 unsigned long rx_no_memory; 872 unsigned long stop_queue; 873 unsigned long wake_queue; 874 }; 875 876 struct netvsc_vf_pcpu_stats { 877 u64 rx_packets; 878 u64 rx_bytes; 879 u64 tx_packets; 880 u64 tx_bytes; 881 struct u64_stats_sync syncp; 882 u32 tx_dropped; 883 }; 884 885 struct netvsc_reconfig { 886 struct list_head list; 887 u32 event; 888 }; 889 890 /* L4 hash bits for different protocols */ 891 #define HV_TCP4_L4HASH 1 892 #define HV_TCP6_L4HASH 2 893 #define HV_UDP4_L4HASH 4 894 #define HV_UDP6_L4HASH 8 895 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ 896 HV_UDP6_L4HASH) 897 898 /* The context of the netvsc device */ 899 struct net_device_context { 900 /* point back to our device context */ 901 struct hv_device *device_ctx; 902 /* netvsc_device */ 903 struct netvsc_device __rcu *nvdev; 904 /* list of netvsc net_devices */ 905 struct list_head list; 906 /* reconfigure work */ 907 struct delayed_work dwork; 908 /* last reconfig time */ 909 unsigned long last_reconfig; 910 /* reconfig events */ 911 struct list_head reconfig_events; 912 /* list protection */ 913 spinlock_t lock; 914 915 u32 msg_enable; /* debug level */ 916 917 u32 tx_checksum_mask; 918 919 u32 tx_table[VRSS_SEND_TAB_SIZE]; 920 921 /* Ethtool settings */ 922 u8 duplex; 923 u32 speed; 924 u32 l4_hash; /* L4 hash settings */ 925 struct netvsc_ethtool_stats eth_stats; 926 927 /* State to manage the associated VF interface. */ 928 struct net_device __rcu *vf_netdev; 929 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 930 struct delayed_work vf_takeover; 931 932 /* 1: allocated, serial number is valid. 0: not allocated */ 933 u32 vf_alloc; 934 /* Serial number of the VF to team with */ 935 u32 vf_serial; 936 }; 937 938 /* Per channel data */ 939 struct netvsc_channel { 940 struct vmbus_channel *channel; 941 struct netvsc_device *net_device; 942 const struct vmpacket_descriptor *desc; 943 struct napi_struct napi; 944 struct multi_send_data msd; 945 struct multi_recv_comp mrc; 946 atomic_t queue_sends; 947 948 struct netvsc_stats tx_stats; 949 struct netvsc_stats rx_stats; 950 }; 951 952 /* Per netvsc device */ 953 struct netvsc_device { 954 u32 nvsp_version; 955 956 wait_queue_head_t wait_drain; 957 bool destroy; 958 959 /* Receive buffer allocated by us but manages by NetVSP */ 960 void *recv_buf; 961 u32 recv_buf_size; /* allocated bytes */ 962 u32 recv_buf_gpadl_handle; 963 u32 recv_section_cnt; 964 u32 recv_section_size; 965 u32 recv_completion_cnt; 966 967 /* Send buffer allocated by us */ 968 void *send_buf; 969 u32 send_buf_gpadl_handle; 970 u32 send_section_cnt; 971 u32 send_section_size; 972 unsigned long *send_section_map; 973 974 /* Used for NetVSP initialization protocol */ 975 struct completion channel_init_wait; 976 struct nvsp_message channel_init_pkt; 977 978 struct nvsp_message revoke_packet; 979 980 u32 max_chn; 981 u32 num_chn; 982 983 atomic_t open_chn; 984 struct work_struct subchan_work; 985 wait_queue_head_t subchan_open; 986 987 struct rndis_device *extension; 988 989 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 990 u32 pkt_align; /* alignment bytes, e.g. 8 */ 991 992 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 993 994 struct rcu_head rcu; 995 }; 996 997 /* NdisInitialize message */ 998 struct rndis_initialize_request { 999 u32 req_id; 1000 u32 major_ver; 1001 u32 minor_ver; 1002 u32 max_xfer_size; 1003 }; 1004 1005 /* Response to NdisInitialize */ 1006 struct rndis_initialize_complete { 1007 u32 req_id; 1008 u32 status; 1009 u32 major_ver; 1010 u32 minor_ver; 1011 u32 dev_flags; 1012 u32 medium; 1013 u32 max_pkt_per_msg; 1014 u32 max_xfer_size; 1015 u32 pkt_alignment_factor; 1016 u32 af_list_offset; 1017 u32 af_list_size; 1018 }; 1019 1020 /* Call manager devices only: Information about an address family */ 1021 /* supported by the device is appended to the response to NdisInitialize. */ 1022 struct rndis_co_address_family { 1023 u32 address_family; 1024 u32 major_ver; 1025 u32 minor_ver; 1026 }; 1027 1028 /* NdisHalt message */ 1029 struct rndis_halt_request { 1030 u32 req_id; 1031 }; 1032 1033 /* NdisQueryRequest message */ 1034 struct rndis_query_request { 1035 u32 req_id; 1036 u32 oid; 1037 u32 info_buflen; 1038 u32 info_buf_offset; 1039 u32 dev_vc_handle; 1040 }; 1041 1042 /* Response to NdisQueryRequest */ 1043 struct rndis_query_complete { 1044 u32 req_id; 1045 u32 status; 1046 u32 info_buflen; 1047 u32 info_buf_offset; 1048 }; 1049 1050 /* NdisSetRequest message */ 1051 struct rndis_set_request { 1052 u32 req_id; 1053 u32 oid; 1054 u32 info_buflen; 1055 u32 info_buf_offset; 1056 u32 dev_vc_handle; 1057 }; 1058 1059 /* Response to NdisSetRequest */ 1060 struct rndis_set_complete { 1061 u32 req_id; 1062 u32 status; 1063 }; 1064 1065 /* NdisReset message */ 1066 struct rndis_reset_request { 1067 u32 reserved; 1068 }; 1069 1070 /* Response to NdisReset */ 1071 struct rndis_reset_complete { 1072 u32 status; 1073 u32 addressing_reset; 1074 }; 1075 1076 /* NdisMIndicateStatus message */ 1077 struct rndis_indicate_status { 1078 u32 status; 1079 u32 status_buflen; 1080 u32 status_buf_offset; 1081 }; 1082 1083 /* Diagnostic information passed as the status buffer in */ 1084 /* struct rndis_indicate_status messages signifying error conditions. */ 1085 struct rndis_diagnostic_info { 1086 u32 diag_status; 1087 u32 error_offset; 1088 }; 1089 1090 /* NdisKeepAlive message */ 1091 struct rndis_keepalive_request { 1092 u32 req_id; 1093 }; 1094 1095 /* Response to NdisKeepAlive */ 1096 struct rndis_keepalive_complete { 1097 u32 req_id; 1098 u32 status; 1099 }; 1100 1101 /* 1102 * Data message. All Offset fields contain byte offsets from the beginning of 1103 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 1104 * to 0 for connectionless data, otherwise it contains the VC handle. 1105 */ 1106 struct rndis_packet { 1107 u32 data_offset; 1108 u32 data_len; 1109 u32 oob_data_offset; 1110 u32 oob_data_len; 1111 u32 num_oob_data_elements; 1112 u32 per_pkt_info_offset; 1113 u32 per_pkt_info_len; 1114 u32 vc_handle; 1115 u32 reserved; 1116 }; 1117 1118 /* Optional Out of Band data associated with a Data message. */ 1119 struct rndis_oobd { 1120 u32 size; 1121 u32 type; 1122 u32 class_info_offset; 1123 }; 1124 1125 /* Packet extension field contents associated with a Data message. */ 1126 struct rndis_per_packet_info { 1127 u32 size; 1128 u32 type; 1129 u32 ppi_offset; 1130 }; 1131 1132 enum ndis_per_pkt_info_type { 1133 TCPIP_CHKSUM_PKTINFO, 1134 IPSEC_PKTINFO, 1135 TCP_LARGESEND_PKTINFO, 1136 CLASSIFICATION_HANDLE_PKTINFO, 1137 NDIS_RESERVED, 1138 SG_LIST_PKTINFO, 1139 IEEE_8021Q_INFO, 1140 ORIGINAL_PKTINFO, 1141 PACKET_CANCEL_ID, 1142 NBL_HASH_VALUE = PACKET_CANCEL_ID, 1143 ORIGINAL_NET_BUFLIST, 1144 CACHED_NET_BUFLIST, 1145 SHORT_PKT_PADINFO, 1146 MAX_PER_PKT_INFO 1147 }; 1148 1149 struct ndis_pkt_8021q_info { 1150 union { 1151 struct { 1152 u32 pri:3; /* User Priority */ 1153 u32 cfi:1; /* Canonical Format ID */ 1154 u32 vlanid:12; /* VLAN ID */ 1155 u32 reserved:16; 1156 }; 1157 u32 value; 1158 }; 1159 }; 1160 1161 struct ndis_object_header { 1162 u8 type; 1163 u8 revision; 1164 u16 size; 1165 }; 1166 1167 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 1168 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 1169 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 1170 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 1171 1172 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 1173 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 1174 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 1175 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 1176 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 1177 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 1178 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 1179 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 1180 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 1181 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 1182 1183 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 1184 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 1185 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 1186 1187 #define VERSION_4_OFFLOAD_SIZE 22 1188 /* 1189 * New offload OIDs for NDIS 6 1190 */ 1191 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 1192 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1193 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1194 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1195 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1196 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1197 1198 /* 1199 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1200 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1201 */ 1202 1203 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1204 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1205 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1206 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1207 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1208 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1209 1210 struct ndis_csum_offload { 1211 u32 ip4_txenc; 1212 u32 ip4_txcsum; 1213 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1214 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1215 #define NDIS_TXCSUM_CAP_TCP4 0x010 1216 #define NDIS_TXCSUM_CAP_UDP4 0x040 1217 #define NDIS_TXCSUM_CAP_IP4 0x100 1218 1219 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1220 1221 u32 ip4_rxenc; 1222 u32 ip4_rxcsum; 1223 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1224 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1225 #define NDIS_RXCSUM_CAP_TCP4 0x010 1226 #define NDIS_RXCSUM_CAP_UDP4 0x040 1227 #define NDIS_RXCSUM_CAP_IP4 0x100 1228 u32 ip6_txenc; 1229 u32 ip6_txcsum; 1230 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1231 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1232 #define NDIS_TXCSUM_CAP_TCP6 0x010 1233 #define NDIS_TXCSUM_CAP_UDP6 0x040 1234 u32 ip6_rxenc; 1235 u32 ip6_rxcsum; 1236 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1237 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1238 #define NDIS_RXCSUM_CAP_TCP6 0x010 1239 #define NDIS_RXCSUM_CAP_UDP6 0x040 1240 1241 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1242 NDIS_TXCSUM_CAP_TCP6OPT | \ 1243 NDIS_TXCSUM_CAP_IP6EXT) 1244 }; 1245 1246 struct ndis_lsov1_offload { 1247 u32 encap; 1248 u32 maxsize; 1249 u32 minsegs; 1250 u32 opts; 1251 }; 1252 1253 struct ndis_ipsecv1_offload { 1254 u32 encap; 1255 u32 ah_esp; 1256 u32 xport_tun; 1257 u32 ip4_opts; 1258 u32 flags; 1259 u32 ip4_ah; 1260 u32 ip4_esp; 1261 }; 1262 1263 struct ndis_lsov2_offload { 1264 u32 ip4_encap; 1265 u32 ip4_maxsz; 1266 u32 ip4_minsg; 1267 u32 ip6_encap; 1268 u32 ip6_maxsz; 1269 u32 ip6_minsg; 1270 u32 ip6_opts; 1271 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1272 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1273 1274 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1275 NDIS_LSOV2_CAP_TCP6OPT) 1276 }; 1277 1278 struct ndis_ipsecv2_offload { 1279 u32 encap; 1280 u8 ip6; 1281 u8 ip4opt; 1282 u8 ip6ext; 1283 u8 ah; 1284 u8 esp; 1285 u8 ah_esp; 1286 u8 xport; 1287 u8 tun; 1288 u8 xport_tun; 1289 u8 lso; 1290 u8 extseq; 1291 u32 udp_esp; 1292 u32 auth; 1293 u32 crypto; 1294 u32 sa_caps; 1295 }; 1296 1297 struct ndis_rsc_offload { 1298 u8 ip4; 1299 u8 ip6; 1300 }; 1301 1302 struct ndis_encap_offload { 1303 u32 flags; 1304 u32 maxhdr; 1305 }; 1306 1307 struct ndis_offload { 1308 struct ndis_object_header header; 1309 struct ndis_csum_offload csum; 1310 struct ndis_lsov1_offload lsov1; 1311 struct ndis_ipsecv1_offload ipsecv1; 1312 struct ndis_lsov2_offload lsov2; 1313 u32 flags; 1314 /* NDIS >= 6.1 */ 1315 struct ndis_ipsecv2_offload ipsecv2; 1316 /* NDIS >= 6.30 */ 1317 struct ndis_rsc_offload rsc; 1318 struct ndis_encap_offload encap_gre; 1319 }; 1320 1321 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1322 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1323 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1324 1325 struct ndis_offload_params { 1326 struct ndis_object_header header; 1327 u8 ip_v4_csum; 1328 u8 tcp_ip_v4_csum; 1329 u8 udp_ip_v4_csum; 1330 u8 tcp_ip_v6_csum; 1331 u8 udp_ip_v6_csum; 1332 u8 lso_v1; 1333 u8 ip_sec_v1; 1334 u8 lso_v2_ipv4; 1335 u8 lso_v2_ipv6; 1336 u8 tcp_connection_ip_v4; 1337 u8 tcp_connection_ip_v6; 1338 u32 flags; 1339 u8 ip_sec_v2; 1340 u8 ip_sec_v2_ip_v4; 1341 struct { 1342 u8 rsc_ip_v4; 1343 u8 rsc_ip_v6; 1344 }; 1345 struct { 1346 u8 encapsulated_packet_task_offload; 1347 u8 encapsulation_types; 1348 }; 1349 }; 1350 1351 struct ndis_tcp_ip_checksum_info { 1352 union { 1353 struct { 1354 u32 is_ipv4:1; 1355 u32 is_ipv6:1; 1356 u32 tcp_checksum:1; 1357 u32 udp_checksum:1; 1358 u32 ip_header_checksum:1; 1359 u32 reserved:11; 1360 u32 tcp_header_offset:10; 1361 } transmit; 1362 struct { 1363 u32 tcp_checksum_failed:1; 1364 u32 udp_checksum_failed:1; 1365 u32 ip_checksum_failed:1; 1366 u32 tcp_checksum_succeeded:1; 1367 u32 udp_checksum_succeeded:1; 1368 u32 ip_checksum_succeeded:1; 1369 u32 loopback:1; 1370 u32 tcp_checksum_value_invalid:1; 1371 u32 ip_checksum_value_invalid:1; 1372 } receive; 1373 u32 value; 1374 }; 1375 }; 1376 1377 struct ndis_tcp_lso_info { 1378 union { 1379 struct { 1380 u32 unused:30; 1381 u32 type:1; 1382 u32 reserved2:1; 1383 } transmit; 1384 struct { 1385 u32 mss:20; 1386 u32 tcp_header_offset:10; 1387 u32 type:1; 1388 u32 reserved2:1; 1389 } lso_v1_transmit; 1390 struct { 1391 u32 tcp_payload:30; 1392 u32 type:1; 1393 u32 reserved2:1; 1394 } lso_v1_transmit_complete; 1395 struct { 1396 u32 mss:20; 1397 u32 tcp_header_offset:10; 1398 u32 type:1; 1399 u32 ip_version:1; 1400 } lso_v2_transmit; 1401 struct { 1402 u32 reserved:30; 1403 u32 type:1; 1404 u32 reserved2:1; 1405 } lso_v2_transmit_complete; 1406 u32 value; 1407 }; 1408 }; 1409 1410 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1411 sizeof(struct ndis_pkt_8021q_info)) 1412 1413 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1414 sizeof(struct ndis_tcp_ip_checksum_info)) 1415 1416 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1417 sizeof(struct ndis_tcp_lso_info)) 1418 1419 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1420 sizeof(u32)) 1421 1422 /* Total size of all PPI data */ 1423 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1424 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1425 1426 /* Format of Information buffer passed in a SetRequest for the OID */ 1427 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1428 struct rndis_config_parameter_info { 1429 u32 parameter_name_offset; 1430 u32 parameter_name_length; 1431 u32 parameter_type; 1432 u32 parameter_value_offset; 1433 u32 parameter_value_length; 1434 }; 1435 1436 /* Values for ParameterType in struct rndis_config_parameter_info */ 1437 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1438 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1439 1440 /* CONDIS Miniport messages for connection oriented devices */ 1441 /* that do not implement a call manager. */ 1442 1443 /* CoNdisMiniportCreateVc message */ 1444 struct rcondis_mp_create_vc { 1445 u32 req_id; 1446 u32 ndis_vc_handle; 1447 }; 1448 1449 /* Response to CoNdisMiniportCreateVc */ 1450 struct rcondis_mp_create_vc_complete { 1451 u32 req_id; 1452 u32 dev_vc_handle; 1453 u32 status; 1454 }; 1455 1456 /* CoNdisMiniportDeleteVc message */ 1457 struct rcondis_mp_delete_vc { 1458 u32 req_id; 1459 u32 dev_vc_handle; 1460 }; 1461 1462 /* Response to CoNdisMiniportDeleteVc */ 1463 struct rcondis_mp_delete_vc_complete { 1464 u32 req_id; 1465 u32 status; 1466 }; 1467 1468 /* CoNdisMiniportQueryRequest message */ 1469 struct rcondis_mp_query_request { 1470 u32 req_id; 1471 u32 request_type; 1472 u32 oid; 1473 u32 dev_vc_handle; 1474 u32 info_buflen; 1475 u32 info_buf_offset; 1476 }; 1477 1478 /* CoNdisMiniportSetRequest message */ 1479 struct rcondis_mp_set_request { 1480 u32 req_id; 1481 u32 request_type; 1482 u32 oid; 1483 u32 dev_vc_handle; 1484 u32 info_buflen; 1485 u32 info_buf_offset; 1486 }; 1487 1488 /* CoNdisIndicateStatus message */ 1489 struct rcondis_indicate_status { 1490 u32 ndis_vc_handle; 1491 u32 status; 1492 u32 status_buflen; 1493 u32 status_buf_offset; 1494 }; 1495 1496 /* CONDIS Call/VC parameters */ 1497 struct rcondis_specific_parameters { 1498 u32 parameter_type; 1499 u32 parameter_length; 1500 u32 parameter_lffset; 1501 }; 1502 1503 struct rcondis_media_parameters { 1504 u32 flags; 1505 u32 reserved1; 1506 u32 reserved2; 1507 struct rcondis_specific_parameters media_specific; 1508 }; 1509 1510 struct rndis_flowspec { 1511 u32 token_rate; 1512 u32 token_bucket_size; 1513 u32 peak_bandwidth; 1514 u32 latency; 1515 u32 delay_variation; 1516 u32 service_type; 1517 u32 max_sdu_size; 1518 u32 minimum_policed_size; 1519 }; 1520 1521 struct rcondis_call_manager_parameters { 1522 struct rndis_flowspec transmit; 1523 struct rndis_flowspec receive; 1524 struct rcondis_specific_parameters call_mgr_specific; 1525 }; 1526 1527 /* CoNdisMiniportActivateVc message */ 1528 struct rcondis_mp_activate_vc_request { 1529 u32 req_id; 1530 u32 flags; 1531 u32 dev_vc_handle; 1532 u32 media_params_offset; 1533 u32 media_params_length; 1534 u32 call_mgr_params_offset; 1535 u32 call_mgr_params_length; 1536 }; 1537 1538 /* Response to CoNdisMiniportActivateVc */ 1539 struct rcondis_mp_activate_vc_complete { 1540 u32 req_id; 1541 u32 status; 1542 }; 1543 1544 /* CoNdisMiniportDeactivateVc message */ 1545 struct rcondis_mp_deactivate_vc_request { 1546 u32 req_id; 1547 u32 flags; 1548 u32 dev_vc_handle; 1549 }; 1550 1551 /* Response to CoNdisMiniportDeactivateVc */ 1552 struct rcondis_mp_deactivate_vc_complete { 1553 u32 req_id; 1554 u32 status; 1555 }; 1556 1557 1558 /* union with all of the RNDIS messages */ 1559 union rndis_message_container { 1560 struct rndis_packet pkt; 1561 struct rndis_initialize_request init_req; 1562 struct rndis_halt_request halt_req; 1563 struct rndis_query_request query_req; 1564 struct rndis_set_request set_req; 1565 struct rndis_reset_request reset_req; 1566 struct rndis_keepalive_request keep_alive_req; 1567 struct rndis_indicate_status indicate_status; 1568 struct rndis_initialize_complete init_complete; 1569 struct rndis_query_complete query_complete; 1570 struct rndis_set_complete set_complete; 1571 struct rndis_reset_complete reset_complete; 1572 struct rndis_keepalive_complete keep_alive_complete; 1573 struct rcondis_mp_create_vc co_miniport_create_vc; 1574 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1575 struct rcondis_indicate_status co_indicate_status; 1576 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1577 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1578 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1579 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1580 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1581 struct rcondis_mp_deactivate_vc_complete 1582 co_miniport_deactivate_vc_complete; 1583 }; 1584 1585 /* Remote NDIS message format */ 1586 struct rndis_message { 1587 u32 ndis_msg_type; 1588 1589 /* Total length of this message, from the beginning */ 1590 /* of the struct rndis_message, in bytes. */ 1591 u32 msg_len; 1592 1593 /* Actual message */ 1594 union rndis_message_container msg; 1595 }; 1596 1597 1598 /* Handy macros */ 1599 1600 /* get the size of an RNDIS message. Pass in the message type, */ 1601 /* struct rndis_set_request, struct rndis_packet for example */ 1602 #define RNDIS_MESSAGE_SIZE(msg) \ 1603 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1604 sizeof(union rndis_message_container))) 1605 1606 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1607 sizeof(union rndis_message_container)) 1608 1609 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1610 1611 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1612 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1613 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1614 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1615 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1616 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1617 #define NDIS_PACKET_TYPE_SMT 0x00000040 1618 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1619 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1620 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1621 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1622 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1623 1624 #define TRANSPORT_INFO_NOT_IP 0 1625 #define TRANSPORT_INFO_IPV4_TCP 0x01 1626 #define TRANSPORT_INFO_IPV4_UDP 0x02 1627 #define TRANSPORT_INFO_IPV6_TCP 0x10 1628 #define TRANSPORT_INFO_IPV6_UDP 0x20 1629 1630 #endif /* _HYPERV_NET_H */ 1631