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 extern struct reciprocal_value netvsc_ring_reciprocal; 193 194 struct netvsc_device *netvsc_device_add(struct hv_device *device, 195 const struct netvsc_device_info *info); 196 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 197 void netvsc_device_remove(struct hv_device *device); 198 int netvsc_send(struct net_device *net, 199 struct hv_netvsc_packet *packet, 200 struct rndis_message *rndis_msg, 201 struct hv_page_buffer *page_buffer, 202 struct sk_buff *skb); 203 void netvsc_linkstatus_callback(struct net_device *net, 204 struct rndis_message *resp); 205 int netvsc_recv_callback(struct net_device *net, 206 struct netvsc_device *nvdev, 207 struct vmbus_channel *channel, 208 void *data, u32 len, 209 const struct ndis_tcp_ip_checksum_info *csum_info, 210 const struct ndis_pkt_8021q_info *vlan); 211 void netvsc_channel_cb(void *context); 212 int netvsc_poll(struct napi_struct *napi, int budget); 213 214 void rndis_set_subchannel(struct work_struct *w); 215 int rndis_filter_open(struct netvsc_device *nvdev); 216 int rndis_filter_close(struct netvsc_device *nvdev); 217 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 218 struct netvsc_device_info *info); 219 void rndis_filter_update(struct netvsc_device *nvdev); 220 void rndis_filter_device_remove(struct hv_device *dev, 221 struct netvsc_device *nvdev); 222 int rndis_filter_set_rss_param(struct rndis_device *rdev, 223 const u8 *key); 224 int rndis_filter_receive(struct net_device *ndev, 225 struct netvsc_device *net_dev, 226 struct vmbus_channel *channel, 227 void *data, u32 buflen); 228 229 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 230 const char *mac); 231 232 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 233 234 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 235 236 #define NVSP_PROTOCOL_VERSION_1 2 237 #define NVSP_PROTOCOL_VERSION_2 0x30002 238 #define NVSP_PROTOCOL_VERSION_4 0x40000 239 #define NVSP_PROTOCOL_VERSION_5 0x50000 240 #define NVSP_PROTOCOL_VERSION_6 0x60000 241 #define NVSP_PROTOCOL_VERSION_61 0x60001 242 243 enum { 244 NVSP_MSG_TYPE_NONE = 0, 245 246 /* Init Messages */ 247 NVSP_MSG_TYPE_INIT = 1, 248 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 249 250 NVSP_VERSION_MSG_START = 100, 251 252 /* Version 1 Messages */ 253 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 254 255 NVSP_MSG1_TYPE_SEND_RECV_BUF, 256 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 257 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 258 259 NVSP_MSG1_TYPE_SEND_SEND_BUF, 260 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 261 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 262 263 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 264 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 265 266 /* Version 2 messages */ 267 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 268 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 269 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 270 271 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 272 273 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 274 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 275 276 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 277 278 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 279 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 280 281 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 282 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 283 284 NVSP_MSG2_TYPE_ALLOC_RXBUF, 285 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 286 287 NVSP_MSG2_TYPE_FREE_RXBUF, 288 289 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 290 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 291 292 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 293 294 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 295 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 296 297 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 298 299 /* Version 4 messages */ 300 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 301 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 302 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 303 304 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 305 306 /* Version 5 messages */ 307 NVSP_MSG5_TYPE_OID_QUERY_EX, 308 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 309 NVSP_MSG5_TYPE_SUBCHANNEL, 310 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 311 312 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 313 314 /* Version 6 messages */ 315 NVSP_MSG6_TYPE_PD_API, 316 NVSP_MSG6_TYPE_PD_POST_BATCH, 317 318 NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH 319 }; 320 321 enum { 322 NVSP_STAT_NONE = 0, 323 NVSP_STAT_SUCCESS, 324 NVSP_STAT_FAIL, 325 NVSP_STAT_PROTOCOL_TOO_NEW, 326 NVSP_STAT_PROTOCOL_TOO_OLD, 327 NVSP_STAT_INVALID_RNDIS_PKT, 328 NVSP_STAT_BUSY, 329 NVSP_STAT_PROTOCOL_UNSUPPORTED, 330 NVSP_STAT_MAX, 331 }; 332 333 struct nvsp_message_header { 334 u32 msg_type; 335 }; 336 337 /* Init Messages */ 338 339 /* 340 * This message is used by the VSC to initialize the channel after the channels 341 * has been opened. This message should never include anything other then 342 * versioning (i.e. this message will be the same for ever). 343 */ 344 struct nvsp_message_init { 345 u32 min_protocol_ver; 346 u32 max_protocol_ver; 347 } __packed; 348 349 /* 350 * This message is used by the VSP to complete the initialization of the 351 * channel. This message should never include anything other then versioning 352 * (i.e. this message will be the same for ever). 353 */ 354 struct nvsp_message_init_complete { 355 u32 negotiated_protocol_ver; 356 u32 max_mdl_chain_len; 357 u32 status; 358 } __packed; 359 360 union nvsp_message_init_uber { 361 struct nvsp_message_init init; 362 struct nvsp_message_init_complete init_complete; 363 } __packed; 364 365 /* Version 1 Messages */ 366 367 /* 368 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 369 * can use this information when handling OIDs sent by the VSC. 370 */ 371 struct nvsp_1_message_send_ndis_version { 372 u32 ndis_major_ver; 373 u32 ndis_minor_ver; 374 } __packed; 375 376 /* 377 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 378 * can then use the receive buffer to send data to the VSC. 379 */ 380 struct nvsp_1_message_send_receive_buffer { 381 u32 gpadl_handle; 382 u16 id; 383 } __packed; 384 385 struct nvsp_1_receive_buffer_section { 386 u32 offset; 387 u32 sub_alloc_size; 388 u32 num_sub_allocs; 389 u32 end_offset; 390 } __packed; 391 392 /* 393 * This message is used by the VSP to acknowledge a receive buffer send by the 394 * VSC. This message must be sent by the VSP before the VSP uses the receive 395 * buffer. 396 */ 397 struct nvsp_1_message_send_receive_buffer_complete { 398 u32 status; 399 u32 num_sections; 400 401 /* 402 * The receive buffer is split into two parts, a large suballocation 403 * section and a small suballocation section. These sections are then 404 * suballocated by a certain size. 405 */ 406 407 /* 408 * For example, the following break up of the receive buffer has 6 409 * large suballocations and 10 small suballocations. 410 */ 411 412 /* 413 * | Large Section | | Small Section | 414 * ------------------------------------------------------------ 415 * | | | | | | | | | | | | | | | | | | 416 * | | 417 * LargeOffset SmallOffset 418 */ 419 420 struct nvsp_1_receive_buffer_section sections[1]; 421 } __packed; 422 423 /* 424 * This message is sent by the VSC to revoke the receive buffer. After the VSP 425 * completes this transaction, the vsp should never use the receive buffer 426 * again. 427 */ 428 struct nvsp_1_message_revoke_receive_buffer { 429 u16 id; 430 }; 431 432 /* 433 * This message is used by the VSC to send a send buffer to the VSP. The VSC 434 * can then use the send buffer to send data to the VSP. 435 */ 436 struct nvsp_1_message_send_send_buffer { 437 u32 gpadl_handle; 438 u16 id; 439 } __packed; 440 441 /* 442 * This message is used by the VSP to acknowledge a send buffer sent by the 443 * VSC. This message must be sent by the VSP before the VSP uses the sent 444 * buffer. 445 */ 446 struct nvsp_1_message_send_send_buffer_complete { 447 u32 status; 448 449 /* 450 * The VSC gets to choose the size of the send buffer and the VSP gets 451 * to choose the sections size of the buffer. This was done to enable 452 * dynamic reconfigurations when the cost of GPA-direct buffers 453 * decreases. 454 */ 455 u32 section_size; 456 } __packed; 457 458 /* 459 * This message is sent by the VSC to revoke the send buffer. After the VSP 460 * completes this transaction, the vsp should never use the send buffer again. 461 */ 462 struct nvsp_1_message_revoke_send_buffer { 463 u16 id; 464 }; 465 466 /* 467 * This message is used by both the VSP and the VSC to send a RNDIS message to 468 * the opposite channel endpoint. 469 */ 470 struct nvsp_1_message_send_rndis_packet { 471 /* 472 * This field is specified by RNDIS. They assume there's two different 473 * channels of communication. However, the Network VSP only has one. 474 * Therefore, the channel travels with the RNDIS packet. 475 */ 476 u32 channel_type; 477 478 /* 479 * This field is used to send part or all of the data through a send 480 * buffer. This values specifies an index into the send buffer. If the 481 * index is 0xFFFFFFFF, then the send buffer is not being used and all 482 * of the data was sent through other VMBus mechanisms. 483 */ 484 u32 send_buf_section_index; 485 u32 send_buf_section_size; 486 } __packed; 487 488 /* 489 * This message is used by both the VSP and the VSC to complete a RNDIS message 490 * to the opposite channel endpoint. At this point, the initiator of this 491 * message cannot use any resources associated with the original RNDIS packet. 492 */ 493 struct nvsp_1_message_send_rndis_packet_complete { 494 u32 status; 495 }; 496 497 union nvsp_1_message_uber { 498 struct nvsp_1_message_send_ndis_version send_ndis_ver; 499 500 struct nvsp_1_message_send_receive_buffer send_recv_buf; 501 struct nvsp_1_message_send_receive_buffer_complete 502 send_recv_buf_complete; 503 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 504 505 struct nvsp_1_message_send_send_buffer send_send_buf; 506 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 507 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 508 509 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 510 struct nvsp_1_message_send_rndis_packet_complete 511 send_rndis_pkt_complete; 512 } __packed; 513 514 515 /* 516 * Network VSP protocol version 2 messages: 517 */ 518 struct nvsp_2_vsc_capability { 519 union { 520 u64 data; 521 struct { 522 u64 vmq:1; 523 u64 chimney:1; 524 u64 sriov:1; 525 u64 ieee8021q:1; 526 u64 correlation_id:1; 527 u64 teaming:1; 528 }; 529 }; 530 } __packed; 531 532 struct nvsp_2_send_ndis_config { 533 u32 mtu; 534 u32 reserved; 535 struct nvsp_2_vsc_capability capability; 536 } __packed; 537 538 /* Allocate receive buffer */ 539 struct nvsp_2_alloc_rxbuf { 540 /* Allocation ID to match the allocation request and response */ 541 u32 alloc_id; 542 543 /* Length of the VM shared memory receive buffer that needs to 544 * be allocated 545 */ 546 u32 len; 547 } __packed; 548 549 /* Allocate receive buffer complete */ 550 struct nvsp_2_alloc_rxbuf_comp { 551 /* The NDIS_STATUS code for buffer allocation */ 552 u32 status; 553 554 u32 alloc_id; 555 556 /* GPADL handle for the allocated receive buffer */ 557 u32 gpadl_handle; 558 559 /* Receive buffer ID */ 560 u64 recv_buf_id; 561 } __packed; 562 563 struct nvsp_2_free_rxbuf { 564 u64 recv_buf_id; 565 } __packed; 566 567 union nvsp_2_message_uber { 568 struct nvsp_2_send_ndis_config send_ndis_config; 569 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 570 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 571 struct nvsp_2_free_rxbuf free_rxbuf; 572 } __packed; 573 574 struct nvsp_4_send_vf_association { 575 /* 1: allocated, serial number is valid. 0: not allocated */ 576 u32 allocated; 577 578 /* Serial number of the VF to team with */ 579 u32 serial; 580 } __packed; 581 582 enum nvsp_vm_datapath { 583 NVSP_DATAPATH_SYNTHETIC = 0, 584 NVSP_DATAPATH_VF, 585 NVSP_DATAPATH_MAX 586 }; 587 588 struct nvsp_4_sw_datapath { 589 u32 active_datapath; /* active data path in VM */ 590 } __packed; 591 592 union nvsp_4_message_uber { 593 struct nvsp_4_send_vf_association vf_assoc; 594 struct nvsp_4_sw_datapath active_dp; 595 } __packed; 596 597 enum nvsp_subchannel_operation { 598 NVSP_SUBCHANNEL_NONE = 0, 599 NVSP_SUBCHANNEL_ALLOCATE, 600 NVSP_SUBCHANNEL_MAX 601 }; 602 603 struct nvsp_5_subchannel_request { 604 u32 op; 605 u32 num_subchannels; 606 } __packed; 607 608 struct nvsp_5_subchannel_complete { 609 u32 status; 610 u32 num_subchannels; /* Actual number of subchannels allocated */ 611 } __packed; 612 613 struct nvsp_5_send_indirect_table { 614 /* The number of entries in the send indirection table */ 615 u32 count; 616 617 /* The offset of the send indirection table from top of this struct. 618 * The send indirection table tells which channel to put the send 619 * traffic on. Each entry is a channel number. 620 */ 621 u32 offset; 622 } __packed; 623 624 union nvsp_5_message_uber { 625 struct nvsp_5_subchannel_request subchn_req; 626 struct nvsp_5_subchannel_complete subchn_comp; 627 struct nvsp_5_send_indirect_table send_table; 628 } __packed; 629 630 enum nvsp_6_pd_api_op { 631 PD_API_OP_CONFIG = 1, 632 PD_API_OP_SW_DATAPATH, /* Switch Datapath */ 633 PD_API_OP_OPEN_PROVIDER, 634 PD_API_OP_CLOSE_PROVIDER, 635 PD_API_OP_CREATE_QUEUE, 636 PD_API_OP_FLUSH_QUEUE, 637 PD_API_OP_FREE_QUEUE, 638 PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ 639 PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ 640 PD_API_OP_MAX 641 }; 642 643 struct grp_affinity { 644 u64 mask; 645 u16 grp; 646 u16 reserved[3]; 647 } __packed; 648 649 struct nvsp_6_pd_api_req { 650 u32 op; 651 652 union { 653 /* MMIO information is sent from the VM to VSP */ 654 struct __packed { 655 u64 mmio_pa; /* MMIO Physical Address */ 656 u32 mmio_len; 657 658 /* Number of PD queues a VM can support */ 659 u16 num_subchn; 660 } config; 661 662 /* Switch Datapath */ 663 struct __packed { 664 /* Host Datapath Is PacketDirect */ 665 u8 host_dpath_is_pd; 666 667 /* Guest PacketDirect Is Enabled */ 668 u8 guest_pd_enabled; 669 } sw_dpath; 670 671 /* Open Provider*/ 672 struct __packed { 673 u32 prov_id; /* Provider id */ 674 u32 flag; 675 } open_prov; 676 677 /* Close Provider */ 678 struct __packed { 679 u32 prov_id; 680 } cls_prov; 681 682 /* Create Queue*/ 683 struct __packed { 684 u32 prov_id; 685 u16 q_id; 686 u16 q_size; 687 u8 is_recv_q; 688 u8 is_rss_q; 689 u32 recv_data_len; 690 struct grp_affinity affy; 691 } cr_q; 692 693 /* Delete Queue*/ 694 struct __packed { 695 u32 prov_id; 696 u16 q_id; 697 } del_q; 698 699 /* Flush Queue */ 700 struct __packed { 701 u32 prov_id; 702 u16 q_id; 703 } flush_q; 704 705 /* Allocate Common Buffer */ 706 struct __packed { 707 u32 len; 708 u32 pf_node; /* Preferred Node */ 709 u16 region_id; 710 } alloc_com_buf; 711 712 /* Free Common Buffer */ 713 struct __packed { 714 u32 len; 715 u64 pa; /* Physical Address */ 716 u32 pf_node; /* Preferred Node */ 717 u16 region_id; 718 u8 cache_type; 719 } free_com_buf; 720 } __packed; 721 } __packed; 722 723 struct nvsp_6_pd_api_comp { 724 u32 op; 725 u32 status; 726 727 union { 728 struct __packed { 729 /* actual number of PD queues allocated to the VM */ 730 u16 num_pd_q; 731 732 /* Num Receive Rss PD Queues */ 733 u8 num_rss_q; 734 735 u8 is_supported; /* Is supported by VSP */ 736 u8 is_enabled; /* Is enabled by VSP */ 737 } config; 738 739 /* Open Provider */ 740 struct __packed { 741 u32 prov_id; 742 } open_prov; 743 744 /* Create Queue */ 745 struct __packed { 746 u32 prov_id; 747 u16 q_id; 748 u16 q_size; 749 u32 recv_data_len; 750 struct grp_affinity affy; 751 } cr_q; 752 753 /* Allocate Common Buffer */ 754 struct __packed { 755 u64 pa; /* Physical Address */ 756 u32 len; 757 u32 pf_node; /* Preferred Node */ 758 u16 region_id; 759 u8 cache_type; 760 } alloc_com_buf; 761 } __packed; 762 } __packed; 763 764 struct nvsp_6_pd_buf { 765 u32 region_offset; 766 u16 region_id; 767 u16 is_partial:1; 768 u16 reserved:15; 769 } __packed; 770 771 struct nvsp_6_pd_batch_msg { 772 struct nvsp_message_header hdr; 773 u16 count; 774 u16 guest2host:1; 775 u16 is_recv:1; 776 u16 reserved:14; 777 struct nvsp_6_pd_buf pd_buf[0]; 778 } __packed; 779 780 union nvsp_6_message_uber { 781 struct nvsp_6_pd_api_req pd_req; 782 struct nvsp_6_pd_api_comp pd_comp; 783 } __packed; 784 785 union nvsp_all_messages { 786 union nvsp_message_init_uber init_msg; 787 union nvsp_1_message_uber v1_msg; 788 union nvsp_2_message_uber v2_msg; 789 union nvsp_4_message_uber v4_msg; 790 union nvsp_5_message_uber v5_msg; 791 union nvsp_6_message_uber v6_msg; 792 } __packed; 793 794 /* ALL Messages */ 795 struct nvsp_message { 796 struct nvsp_message_header hdr; 797 union nvsp_all_messages msg; 798 } __packed; 799 800 801 #define NETVSC_MTU 65535 802 #define NETVSC_MTU_MIN ETH_MIN_MTU 803 804 /* Max buffer sizes allowed by a host */ 805 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ 806 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ 807 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) 808 809 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 810 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) 811 812 #define NETVSC_INVALID_INDEX -1 813 814 #define NETVSC_SEND_SECTION_SIZE 6144 815 #define NETVSC_RECV_SECTION_SIZE 1728 816 817 /* Default size of TX buf: 1MB, RX buf: 16MB */ 818 #define NETVSC_MIN_TX_SECTIONS 10 819 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ 820 / NETVSC_SEND_SECTION_SIZE) 821 #define NETVSC_MIN_RX_SECTIONS 10 822 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ 823 / NETVSC_RECV_SECTION_SIZE) 824 825 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 826 #define NETVSC_SEND_BUFFER_ID 0 827 828 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ 829 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ 830 NETIF_F_TSO6) 831 832 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 833 #define VRSS_CHANNEL_MAX 64 834 #define VRSS_CHANNEL_DEFAULT 8 835 836 #define RNDIS_MAX_PKT_DEFAULT 8 837 #define RNDIS_PKT_ALIGN_DEFAULT 8 838 839 struct multi_send_data { 840 struct sk_buff *skb; /* skb containing the pkt */ 841 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 842 u32 count; /* counter of batched packets */ 843 }; 844 845 struct recv_comp_data { 846 u64 tid; /* transaction id */ 847 u32 status; 848 }; 849 850 struct multi_recv_comp { 851 struct recv_comp_data *slots; 852 u32 first; /* first data entry */ 853 u32 next; /* next entry for writing */ 854 }; 855 856 struct netvsc_stats { 857 u64 packets; 858 u64 bytes; 859 u64 broadcast; 860 u64 multicast; 861 struct u64_stats_sync syncp; 862 }; 863 864 struct netvsc_ethtool_stats { 865 unsigned long tx_scattered; 866 unsigned long tx_no_memory; 867 unsigned long tx_no_space; 868 unsigned long tx_too_big; 869 unsigned long tx_busy; 870 unsigned long tx_send_full; 871 unsigned long rx_comp_busy; 872 unsigned long rx_no_memory; 873 unsigned long stop_queue; 874 unsigned long wake_queue; 875 }; 876 877 struct netvsc_vf_pcpu_stats { 878 u64 rx_packets; 879 u64 rx_bytes; 880 u64 tx_packets; 881 u64 tx_bytes; 882 struct u64_stats_sync syncp; 883 u32 tx_dropped; 884 }; 885 886 struct netvsc_reconfig { 887 struct list_head list; 888 u32 event; 889 }; 890 891 /* L4 hash bits for different protocols */ 892 #define HV_TCP4_L4HASH 1 893 #define HV_TCP6_L4HASH 2 894 #define HV_UDP4_L4HASH 4 895 #define HV_UDP6_L4HASH 8 896 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ 897 HV_UDP6_L4HASH) 898 899 /* The context of the netvsc device */ 900 struct net_device_context { 901 /* point back to our device context */ 902 struct hv_device *device_ctx; 903 /* netvsc_device */ 904 struct netvsc_device __rcu *nvdev; 905 /* reconfigure work */ 906 struct delayed_work dwork; 907 /* last reconfig time */ 908 unsigned long last_reconfig; 909 /* reconfig events */ 910 struct list_head reconfig_events; 911 /* list protection */ 912 spinlock_t lock; 913 914 u32 msg_enable; /* debug level */ 915 916 u32 tx_checksum_mask; 917 918 u32 tx_table[VRSS_SEND_TAB_SIZE]; 919 920 /* Ethtool settings */ 921 u8 duplex; 922 u32 speed; 923 u32 l4_hash; /* L4 hash settings */ 924 struct netvsc_ethtool_stats eth_stats; 925 926 /* State to manage the associated VF interface. */ 927 struct net_device __rcu *vf_netdev; 928 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 929 struct delayed_work vf_takeover; 930 931 /* 1: allocated, serial number is valid. 0: not allocated */ 932 u32 vf_alloc; 933 /* Serial number of the VF to team with */ 934 u32 vf_serial; 935 936 struct failover *failover; 937 }; 938 939 /* Per channel data */ 940 struct netvsc_channel { 941 struct vmbus_channel *channel; 942 struct netvsc_device *net_device; 943 const struct vmpacket_descriptor *desc; 944 struct napi_struct napi; 945 struct multi_send_data msd; 946 struct multi_recv_comp mrc; 947 atomic_t queue_sends; 948 949 struct netvsc_stats tx_stats; 950 struct netvsc_stats rx_stats; 951 }; 952 953 /* Per netvsc device */ 954 struct netvsc_device { 955 u32 nvsp_version; 956 957 wait_queue_head_t wait_drain; 958 bool destroy; 959 960 /* Receive buffer allocated by us but manages by NetVSP */ 961 void *recv_buf; 962 u32 recv_buf_size; /* allocated bytes */ 963 u32 recv_buf_gpadl_handle; 964 u32 recv_section_cnt; 965 u32 recv_section_size; 966 u32 recv_completion_cnt; 967 968 /* Send buffer allocated by us */ 969 void *send_buf; 970 u32 send_buf_gpadl_handle; 971 u32 send_section_cnt; 972 u32 send_section_size; 973 unsigned long *send_section_map; 974 975 /* Used for NetVSP initialization protocol */ 976 struct completion channel_init_wait; 977 struct nvsp_message channel_init_pkt; 978 979 struct nvsp_message revoke_packet; 980 981 u32 max_chn; 982 u32 num_chn; 983 984 atomic_t open_chn; 985 struct work_struct subchan_work; 986 wait_queue_head_t subchan_open; 987 988 struct rndis_device *extension; 989 990 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 991 u32 pkt_align; /* alignment bytes, e.g. 8 */ 992 993 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 994 995 struct rcu_head rcu; 996 }; 997 998 /* NdisInitialize message */ 999 struct rndis_initialize_request { 1000 u32 req_id; 1001 u32 major_ver; 1002 u32 minor_ver; 1003 u32 max_xfer_size; 1004 }; 1005 1006 /* Response to NdisInitialize */ 1007 struct rndis_initialize_complete { 1008 u32 req_id; 1009 u32 status; 1010 u32 major_ver; 1011 u32 minor_ver; 1012 u32 dev_flags; 1013 u32 medium; 1014 u32 max_pkt_per_msg; 1015 u32 max_xfer_size; 1016 u32 pkt_alignment_factor; 1017 u32 af_list_offset; 1018 u32 af_list_size; 1019 }; 1020 1021 /* Call manager devices only: Information about an address family */ 1022 /* supported by the device is appended to the response to NdisInitialize. */ 1023 struct rndis_co_address_family { 1024 u32 address_family; 1025 u32 major_ver; 1026 u32 minor_ver; 1027 }; 1028 1029 /* NdisHalt message */ 1030 struct rndis_halt_request { 1031 u32 req_id; 1032 }; 1033 1034 /* NdisQueryRequest message */ 1035 struct rndis_query_request { 1036 u32 req_id; 1037 u32 oid; 1038 u32 info_buflen; 1039 u32 info_buf_offset; 1040 u32 dev_vc_handle; 1041 }; 1042 1043 /* Response to NdisQueryRequest */ 1044 struct rndis_query_complete { 1045 u32 req_id; 1046 u32 status; 1047 u32 info_buflen; 1048 u32 info_buf_offset; 1049 }; 1050 1051 /* NdisSetRequest message */ 1052 struct rndis_set_request { 1053 u32 req_id; 1054 u32 oid; 1055 u32 info_buflen; 1056 u32 info_buf_offset; 1057 u32 dev_vc_handle; 1058 }; 1059 1060 /* Response to NdisSetRequest */ 1061 struct rndis_set_complete { 1062 u32 req_id; 1063 u32 status; 1064 }; 1065 1066 /* NdisReset message */ 1067 struct rndis_reset_request { 1068 u32 reserved; 1069 }; 1070 1071 /* Response to NdisReset */ 1072 struct rndis_reset_complete { 1073 u32 status; 1074 u32 addressing_reset; 1075 }; 1076 1077 /* NdisMIndicateStatus message */ 1078 struct rndis_indicate_status { 1079 u32 status; 1080 u32 status_buflen; 1081 u32 status_buf_offset; 1082 }; 1083 1084 /* Diagnostic information passed as the status buffer in */ 1085 /* struct rndis_indicate_status messages signifying error conditions. */ 1086 struct rndis_diagnostic_info { 1087 u32 diag_status; 1088 u32 error_offset; 1089 }; 1090 1091 /* NdisKeepAlive message */ 1092 struct rndis_keepalive_request { 1093 u32 req_id; 1094 }; 1095 1096 /* Response to NdisKeepAlive */ 1097 struct rndis_keepalive_complete { 1098 u32 req_id; 1099 u32 status; 1100 }; 1101 1102 /* 1103 * Data message. All Offset fields contain byte offsets from the beginning of 1104 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 1105 * to 0 for connectionless data, otherwise it contains the VC handle. 1106 */ 1107 struct rndis_packet { 1108 u32 data_offset; 1109 u32 data_len; 1110 u32 oob_data_offset; 1111 u32 oob_data_len; 1112 u32 num_oob_data_elements; 1113 u32 per_pkt_info_offset; 1114 u32 per_pkt_info_len; 1115 u32 vc_handle; 1116 u32 reserved; 1117 }; 1118 1119 /* Optional Out of Band data associated with a Data message. */ 1120 struct rndis_oobd { 1121 u32 size; 1122 u32 type; 1123 u32 class_info_offset; 1124 }; 1125 1126 /* Packet extension field contents associated with a Data message. */ 1127 struct rndis_per_packet_info { 1128 u32 size; 1129 u32 type; 1130 u32 ppi_offset; 1131 }; 1132 1133 enum ndis_per_pkt_info_type { 1134 TCPIP_CHKSUM_PKTINFO, 1135 IPSEC_PKTINFO, 1136 TCP_LARGESEND_PKTINFO, 1137 CLASSIFICATION_HANDLE_PKTINFO, 1138 NDIS_RESERVED, 1139 SG_LIST_PKTINFO, 1140 IEEE_8021Q_INFO, 1141 ORIGINAL_PKTINFO, 1142 PACKET_CANCEL_ID, 1143 NBL_HASH_VALUE = PACKET_CANCEL_ID, 1144 ORIGINAL_NET_BUFLIST, 1145 CACHED_NET_BUFLIST, 1146 SHORT_PKT_PADINFO, 1147 MAX_PER_PKT_INFO 1148 }; 1149 1150 struct ndis_pkt_8021q_info { 1151 union { 1152 struct { 1153 u32 pri:3; /* User Priority */ 1154 u32 cfi:1; /* Canonical Format ID */ 1155 u32 vlanid:12; /* VLAN ID */ 1156 u32 reserved:16; 1157 }; 1158 u32 value; 1159 }; 1160 }; 1161 1162 struct ndis_object_header { 1163 u8 type; 1164 u8 revision; 1165 u16 size; 1166 }; 1167 1168 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 1169 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 1170 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 1171 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 1172 1173 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 1174 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 1175 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 1176 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 1177 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 1178 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 1179 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 1180 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 1181 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 1182 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 1183 1184 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 1185 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 1186 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 1187 1188 #define VERSION_4_OFFLOAD_SIZE 22 1189 /* 1190 * New offload OIDs for NDIS 6 1191 */ 1192 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 1193 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1194 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1195 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1196 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1197 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1198 1199 /* 1200 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1201 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1202 */ 1203 1204 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1205 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1206 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1207 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1208 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1209 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1210 1211 struct ndis_csum_offload { 1212 u32 ip4_txenc; 1213 u32 ip4_txcsum; 1214 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1215 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1216 #define NDIS_TXCSUM_CAP_TCP4 0x010 1217 #define NDIS_TXCSUM_CAP_UDP4 0x040 1218 #define NDIS_TXCSUM_CAP_IP4 0x100 1219 1220 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1221 1222 u32 ip4_rxenc; 1223 u32 ip4_rxcsum; 1224 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1225 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1226 #define NDIS_RXCSUM_CAP_TCP4 0x010 1227 #define NDIS_RXCSUM_CAP_UDP4 0x040 1228 #define NDIS_RXCSUM_CAP_IP4 0x100 1229 u32 ip6_txenc; 1230 u32 ip6_txcsum; 1231 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1232 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1233 #define NDIS_TXCSUM_CAP_TCP6 0x010 1234 #define NDIS_TXCSUM_CAP_UDP6 0x040 1235 u32 ip6_rxenc; 1236 u32 ip6_rxcsum; 1237 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1238 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1239 #define NDIS_RXCSUM_CAP_TCP6 0x010 1240 #define NDIS_RXCSUM_CAP_UDP6 0x040 1241 1242 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1243 NDIS_TXCSUM_CAP_TCP6OPT | \ 1244 NDIS_TXCSUM_CAP_IP6EXT) 1245 }; 1246 1247 struct ndis_lsov1_offload { 1248 u32 encap; 1249 u32 maxsize; 1250 u32 minsegs; 1251 u32 opts; 1252 }; 1253 1254 struct ndis_ipsecv1_offload { 1255 u32 encap; 1256 u32 ah_esp; 1257 u32 xport_tun; 1258 u32 ip4_opts; 1259 u32 flags; 1260 u32 ip4_ah; 1261 u32 ip4_esp; 1262 }; 1263 1264 struct ndis_lsov2_offload { 1265 u32 ip4_encap; 1266 u32 ip4_maxsz; 1267 u32 ip4_minsg; 1268 u32 ip6_encap; 1269 u32 ip6_maxsz; 1270 u32 ip6_minsg; 1271 u32 ip6_opts; 1272 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1273 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1274 1275 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1276 NDIS_LSOV2_CAP_TCP6OPT) 1277 }; 1278 1279 struct ndis_ipsecv2_offload { 1280 u32 encap; 1281 u16 ip6; 1282 u16 ip4opt; 1283 u16 ip6ext; 1284 u16 ah; 1285 u16 esp; 1286 u16 ah_esp; 1287 u16 xport; 1288 u16 tun; 1289 u16 xport_tun; 1290 u16 lso; 1291 u16 extseq; 1292 u32 udp_esp; 1293 u32 auth; 1294 u32 crypto; 1295 u32 sa_caps; 1296 }; 1297 1298 struct ndis_rsc_offload { 1299 u16 ip4; 1300 u16 ip6; 1301 }; 1302 1303 struct ndis_encap_offload { 1304 u32 flags; 1305 u32 maxhdr; 1306 }; 1307 1308 struct ndis_offload { 1309 struct ndis_object_header header; 1310 struct ndis_csum_offload csum; 1311 struct ndis_lsov1_offload lsov1; 1312 struct ndis_ipsecv1_offload ipsecv1; 1313 struct ndis_lsov2_offload lsov2; 1314 u32 flags; 1315 /* NDIS >= 6.1 */ 1316 struct ndis_ipsecv2_offload ipsecv2; 1317 /* NDIS >= 6.30 */ 1318 struct ndis_rsc_offload rsc; 1319 struct ndis_encap_offload encap_gre; 1320 }; 1321 1322 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1323 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1324 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1325 1326 struct ndis_offload_params { 1327 struct ndis_object_header header; 1328 u8 ip_v4_csum; 1329 u8 tcp_ip_v4_csum; 1330 u8 udp_ip_v4_csum; 1331 u8 tcp_ip_v6_csum; 1332 u8 udp_ip_v6_csum; 1333 u8 lso_v1; 1334 u8 ip_sec_v1; 1335 u8 lso_v2_ipv4; 1336 u8 lso_v2_ipv6; 1337 u8 tcp_connection_ip_v4; 1338 u8 tcp_connection_ip_v6; 1339 u32 flags; 1340 u8 ip_sec_v2; 1341 u8 ip_sec_v2_ip_v4; 1342 struct { 1343 u8 rsc_ip_v4; 1344 u8 rsc_ip_v6; 1345 }; 1346 struct { 1347 u8 encapsulated_packet_task_offload; 1348 u8 encapsulation_types; 1349 }; 1350 }; 1351 1352 struct ndis_tcp_ip_checksum_info { 1353 union { 1354 struct { 1355 u32 is_ipv4:1; 1356 u32 is_ipv6:1; 1357 u32 tcp_checksum:1; 1358 u32 udp_checksum:1; 1359 u32 ip_header_checksum:1; 1360 u32 reserved:11; 1361 u32 tcp_header_offset:10; 1362 } transmit; 1363 struct { 1364 u32 tcp_checksum_failed:1; 1365 u32 udp_checksum_failed:1; 1366 u32 ip_checksum_failed:1; 1367 u32 tcp_checksum_succeeded:1; 1368 u32 udp_checksum_succeeded:1; 1369 u32 ip_checksum_succeeded:1; 1370 u32 loopback:1; 1371 u32 tcp_checksum_value_invalid:1; 1372 u32 ip_checksum_value_invalid:1; 1373 } receive; 1374 u32 value; 1375 }; 1376 }; 1377 1378 struct ndis_tcp_lso_info { 1379 union { 1380 struct { 1381 u32 unused:30; 1382 u32 type:1; 1383 u32 reserved2:1; 1384 } transmit; 1385 struct { 1386 u32 mss:20; 1387 u32 tcp_header_offset:10; 1388 u32 type:1; 1389 u32 reserved2:1; 1390 } lso_v1_transmit; 1391 struct { 1392 u32 tcp_payload:30; 1393 u32 type:1; 1394 u32 reserved2:1; 1395 } lso_v1_transmit_complete; 1396 struct { 1397 u32 mss:20; 1398 u32 tcp_header_offset:10; 1399 u32 type:1; 1400 u32 ip_version:1; 1401 } lso_v2_transmit; 1402 struct { 1403 u32 reserved:30; 1404 u32 type:1; 1405 u32 reserved2:1; 1406 } lso_v2_transmit_complete; 1407 u32 value; 1408 }; 1409 }; 1410 1411 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1412 sizeof(struct ndis_pkt_8021q_info)) 1413 1414 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1415 sizeof(struct ndis_tcp_ip_checksum_info)) 1416 1417 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1418 sizeof(struct ndis_tcp_lso_info)) 1419 1420 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1421 sizeof(u32)) 1422 1423 /* Total size of all PPI data */ 1424 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1425 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1426 1427 /* Format of Information buffer passed in a SetRequest for the OID */ 1428 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1429 struct rndis_config_parameter_info { 1430 u32 parameter_name_offset; 1431 u32 parameter_name_length; 1432 u32 parameter_type; 1433 u32 parameter_value_offset; 1434 u32 parameter_value_length; 1435 }; 1436 1437 /* Values for ParameterType in struct rndis_config_parameter_info */ 1438 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1439 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1440 1441 /* CONDIS Miniport messages for connection oriented devices */ 1442 /* that do not implement a call manager. */ 1443 1444 /* CoNdisMiniportCreateVc message */ 1445 struct rcondis_mp_create_vc { 1446 u32 req_id; 1447 u32 ndis_vc_handle; 1448 }; 1449 1450 /* Response to CoNdisMiniportCreateVc */ 1451 struct rcondis_mp_create_vc_complete { 1452 u32 req_id; 1453 u32 dev_vc_handle; 1454 u32 status; 1455 }; 1456 1457 /* CoNdisMiniportDeleteVc message */ 1458 struct rcondis_mp_delete_vc { 1459 u32 req_id; 1460 u32 dev_vc_handle; 1461 }; 1462 1463 /* Response to CoNdisMiniportDeleteVc */ 1464 struct rcondis_mp_delete_vc_complete { 1465 u32 req_id; 1466 u32 status; 1467 }; 1468 1469 /* CoNdisMiniportQueryRequest message */ 1470 struct rcondis_mp_query_request { 1471 u32 req_id; 1472 u32 request_type; 1473 u32 oid; 1474 u32 dev_vc_handle; 1475 u32 info_buflen; 1476 u32 info_buf_offset; 1477 }; 1478 1479 /* CoNdisMiniportSetRequest message */ 1480 struct rcondis_mp_set_request { 1481 u32 req_id; 1482 u32 request_type; 1483 u32 oid; 1484 u32 dev_vc_handle; 1485 u32 info_buflen; 1486 u32 info_buf_offset; 1487 }; 1488 1489 /* CoNdisIndicateStatus message */ 1490 struct rcondis_indicate_status { 1491 u32 ndis_vc_handle; 1492 u32 status; 1493 u32 status_buflen; 1494 u32 status_buf_offset; 1495 }; 1496 1497 /* CONDIS Call/VC parameters */ 1498 struct rcondis_specific_parameters { 1499 u32 parameter_type; 1500 u32 parameter_length; 1501 u32 parameter_lffset; 1502 }; 1503 1504 struct rcondis_media_parameters { 1505 u32 flags; 1506 u32 reserved1; 1507 u32 reserved2; 1508 struct rcondis_specific_parameters media_specific; 1509 }; 1510 1511 struct rndis_flowspec { 1512 u32 token_rate; 1513 u32 token_bucket_size; 1514 u32 peak_bandwidth; 1515 u32 latency; 1516 u32 delay_variation; 1517 u32 service_type; 1518 u32 max_sdu_size; 1519 u32 minimum_policed_size; 1520 }; 1521 1522 struct rcondis_call_manager_parameters { 1523 struct rndis_flowspec transmit; 1524 struct rndis_flowspec receive; 1525 struct rcondis_specific_parameters call_mgr_specific; 1526 }; 1527 1528 /* CoNdisMiniportActivateVc message */ 1529 struct rcondis_mp_activate_vc_request { 1530 u32 req_id; 1531 u32 flags; 1532 u32 dev_vc_handle; 1533 u32 media_params_offset; 1534 u32 media_params_length; 1535 u32 call_mgr_params_offset; 1536 u32 call_mgr_params_length; 1537 }; 1538 1539 /* Response to CoNdisMiniportActivateVc */ 1540 struct rcondis_mp_activate_vc_complete { 1541 u32 req_id; 1542 u32 status; 1543 }; 1544 1545 /* CoNdisMiniportDeactivateVc message */ 1546 struct rcondis_mp_deactivate_vc_request { 1547 u32 req_id; 1548 u32 flags; 1549 u32 dev_vc_handle; 1550 }; 1551 1552 /* Response to CoNdisMiniportDeactivateVc */ 1553 struct rcondis_mp_deactivate_vc_complete { 1554 u32 req_id; 1555 u32 status; 1556 }; 1557 1558 1559 /* union with all of the RNDIS messages */ 1560 union rndis_message_container { 1561 struct rndis_packet pkt; 1562 struct rndis_initialize_request init_req; 1563 struct rndis_halt_request halt_req; 1564 struct rndis_query_request query_req; 1565 struct rndis_set_request set_req; 1566 struct rndis_reset_request reset_req; 1567 struct rndis_keepalive_request keep_alive_req; 1568 struct rndis_indicate_status indicate_status; 1569 struct rndis_initialize_complete init_complete; 1570 struct rndis_query_complete query_complete; 1571 struct rndis_set_complete set_complete; 1572 struct rndis_reset_complete reset_complete; 1573 struct rndis_keepalive_complete keep_alive_complete; 1574 struct rcondis_mp_create_vc co_miniport_create_vc; 1575 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1576 struct rcondis_indicate_status co_indicate_status; 1577 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1578 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1579 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1580 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1581 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1582 struct rcondis_mp_deactivate_vc_complete 1583 co_miniport_deactivate_vc_complete; 1584 }; 1585 1586 /* Remote NDIS message format */ 1587 struct rndis_message { 1588 u32 ndis_msg_type; 1589 1590 /* Total length of this message, from the beginning */ 1591 /* of the struct rndis_message, in bytes. */ 1592 u32 msg_len; 1593 1594 /* Actual message */ 1595 union rndis_message_container msg; 1596 }; 1597 1598 1599 /* Handy macros */ 1600 1601 /* get the size of an RNDIS message. Pass in the message type, */ 1602 /* struct rndis_set_request, struct rndis_packet for example */ 1603 #define RNDIS_MESSAGE_SIZE(msg) \ 1604 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1605 sizeof(union rndis_message_container))) 1606 1607 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1608 sizeof(union rndis_message_container)) 1609 1610 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1611 1612 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1613 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1614 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1615 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1616 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1617 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1618 #define NDIS_PACKET_TYPE_SMT 0x00000040 1619 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1620 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1621 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1622 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1623 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1624 1625 #define TRANSPORT_INFO_NOT_IP 0 1626 #define TRANSPORT_INFO_IPV4_TCP 0x01 1627 #define TRANSPORT_INFO_IPV4_UDP 0x02 1628 #define TRANSPORT_INFO_IPV6_TCP 0x10 1629 #define TRANSPORT_INFO_IPV6_UDP 0x20 1630 1631 #endif /* _HYPERV_NET_H */ 1632