1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * 4 * Copyright (c) 2011, Microsoft Corporation. 5 * 6 * Authors: 7 * Haiyang Zhang <haiyangz@microsoft.com> 8 * Hank Janssen <hjanssen@microsoft.com> 9 * K. Y. Srinivasan <kys@microsoft.com> 10 */ 11 12 #ifndef _HYPERV_NET_H 13 #define _HYPERV_NET_H 14 15 #include <linux/list.h> 16 #include <linux/hyperv.h> 17 #include <linux/rndis.h> 18 19 /* RSS related */ 20 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ 21 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ 22 23 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88 24 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89 25 #define NDIS_OBJECT_TYPE_OFFLOAD 0xa7 26 27 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 28 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 29 30 struct ndis_obj_header { 31 u8 type; 32 u8 rev; 33 u16 size; 34 } __packed; 35 36 /* ndis_recv_scale_cap/cap_flag */ 37 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000 38 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000 39 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000 40 #define NDIS_RSS_CAPS_USING_MSI_X 0x08000000 41 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000 42 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000 43 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100 44 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200 45 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400 46 47 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ 48 struct ndis_obj_header hdr; 49 u32 cap_flag; 50 u32 num_int_msg; 51 u32 num_recv_que; 52 u16 num_indirect_tabent; 53 } __packed; 54 55 56 /* ndis_recv_scale_param flags */ 57 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001 58 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002 59 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004 60 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008 61 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010 62 63 /* Hash info bits */ 64 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 65 #define NDIS_HASH_IPV4 0x00000100 66 #define NDIS_HASH_TCP_IPV4 0x00000200 67 #define NDIS_HASH_IPV6 0x00000400 68 #define NDIS_HASH_IPV6_EX 0x00000800 69 #define NDIS_HASH_TCP_IPV6 0x00001000 70 #define NDIS_HASH_TCP_IPV6_EX 0x00002000 71 72 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4) 73 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40 74 75 #define ITAB_NUM 128 76 77 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ 78 struct ndis_obj_header hdr; 79 80 /* Qualifies the rest of the information */ 81 u16 flag; 82 83 /* The base CPU number to do receive processing. not used */ 84 u16 base_cpu_number; 85 86 /* This describes the hash function and type being enabled */ 87 u32 hashinfo; 88 89 /* The size of indirection table array */ 90 u16 indirect_tabsize; 91 92 /* The offset of the indirection table from the beginning of this 93 * structure 94 */ 95 u32 indirect_taboffset; 96 97 /* The size of the hash secret key */ 98 u16 hashkey_size; 99 100 /* The offset of the secret key from the beginning of this structure */ 101 u32 hashkey_offset; 102 103 u32 processor_masks_offset; 104 u32 num_processor_masks; 105 u32 processor_masks_entry_size; 106 }; 107 108 /* Fwd declaration */ 109 struct ndis_tcp_ip_checksum_info; 110 struct ndis_pkt_8021q_info; 111 112 /* 113 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame 114 * within the RNDIS 115 * 116 * The size of this structure is less than 48 bytes and we can now 117 * place this structure in the skb->cb field. 118 */ 119 struct hv_netvsc_packet { 120 /* Bookkeeping stuff */ 121 u8 cp_partial; /* partial copy into send buffer */ 122 123 u8 rmsg_size; /* RNDIS header and PPI size */ 124 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ 125 u8 page_buf_cnt; 126 127 u16 q_idx; 128 u16 total_packets; 129 130 u32 total_bytes; 131 u32 send_buf_index; 132 u32 total_data_buflen; 133 }; 134 135 #define NETVSC_HASH_KEYLEN 40 136 137 struct netvsc_device_info { 138 unsigned char mac_adr[ETH_ALEN]; 139 u32 num_chn; 140 u32 send_sections; 141 u32 recv_sections; 142 u32 send_section_size; 143 u32 recv_section_size; 144 145 struct bpf_prog *bprog; 146 147 u8 rss_key[NETVSC_HASH_KEYLEN]; 148 }; 149 150 enum rndis_device_state { 151 RNDIS_DEV_UNINITIALIZED = 0, 152 RNDIS_DEV_INITIALIZING, 153 RNDIS_DEV_INITIALIZED, 154 RNDIS_DEV_DATAINITIALIZED, 155 }; 156 157 struct rndis_device { 158 struct net_device *ndev; 159 160 enum rndis_device_state state; 161 162 atomic_t new_req_id; 163 164 spinlock_t request_lock; 165 struct list_head req_list; 166 167 struct work_struct mcast_work; 168 u32 filter; 169 170 bool link_state; /* 0 - link up, 1 - link down */ 171 172 u8 hw_mac_adr[ETH_ALEN]; 173 u8 rss_key[NETVSC_HASH_KEYLEN]; 174 }; 175 176 177 /* Interface */ 178 struct rndis_message; 179 struct ndis_offload_params; 180 struct netvsc_device; 181 struct netvsc_channel; 182 struct net_device_context; 183 184 extern u32 netvsc_ring_bytes; 185 186 struct netvsc_device *netvsc_device_add(struct hv_device *device, 187 const struct netvsc_device_info *info); 188 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); 189 void netvsc_device_remove(struct hv_device *device); 190 int netvsc_send(struct net_device *net, 191 struct hv_netvsc_packet *packet, 192 struct rndis_message *rndis_msg, 193 struct hv_page_buffer *page_buffer, 194 struct sk_buff *skb, 195 bool xdp_tx); 196 void netvsc_linkstatus_callback(struct net_device *net, 197 struct rndis_message *resp); 198 int netvsc_recv_callback(struct net_device *net, 199 struct netvsc_device *nvdev, 200 struct netvsc_channel *nvchan); 201 void netvsc_channel_cb(void *context); 202 int netvsc_poll(struct napi_struct *napi, int budget); 203 204 u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan, 205 struct xdp_buff *xdp); 206 unsigned int netvsc_xdp_fraglen(unsigned int len); 207 struct bpf_prog *netvsc_xdp_get(struct netvsc_device *nvdev); 208 int netvsc_xdp_set(struct net_device *dev, struct bpf_prog *prog, 209 struct netlink_ext_ack *extack, 210 struct netvsc_device *nvdev); 211 int netvsc_vf_setxdp(struct net_device *vf_netdev, struct bpf_prog *prog); 212 int netvsc_bpf(struct net_device *dev, struct netdev_bpf *bpf); 213 214 int rndis_set_subchannel(struct net_device *ndev, 215 struct netvsc_device *nvdev, 216 struct netvsc_device_info *dev_info); 217 int rndis_filter_open(struct netvsc_device *nvdev); 218 int rndis_filter_close(struct netvsc_device *nvdev); 219 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, 220 struct netvsc_device_info *info); 221 void rndis_filter_update(struct netvsc_device *nvdev); 222 void rndis_filter_device_remove(struct hv_device *dev, 223 struct netvsc_device *nvdev); 224 int rndis_filter_set_rss_param(struct rndis_device *rdev, 225 const u8 *key); 226 int rndis_filter_set_offload_params(struct net_device *ndev, 227 struct netvsc_device *nvdev, 228 struct ndis_offload_params *req_offloads); 229 int rndis_filter_receive(struct net_device *ndev, 230 struct netvsc_device *net_dev, 231 struct netvsc_channel *nvchan, 232 void *data, u32 buflen); 233 234 int rndis_filter_set_device_mac(struct netvsc_device *ndev, 235 const char *mac); 236 237 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); 238 239 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) 240 241 #define NVSP_PROTOCOL_VERSION_1 2 242 #define NVSP_PROTOCOL_VERSION_2 0x30002 243 #define NVSP_PROTOCOL_VERSION_4 0x40000 244 #define NVSP_PROTOCOL_VERSION_5 0x50000 245 #define NVSP_PROTOCOL_VERSION_6 0x60000 246 #define NVSP_PROTOCOL_VERSION_61 0x60001 247 248 enum { 249 NVSP_MSG_TYPE_NONE = 0, 250 251 /* Init Messages */ 252 NVSP_MSG_TYPE_INIT = 1, 253 NVSP_MSG_TYPE_INIT_COMPLETE = 2, 254 255 NVSP_VERSION_MSG_START = 100, 256 257 /* Version 1 Messages */ 258 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, 259 260 NVSP_MSG1_TYPE_SEND_RECV_BUF, 261 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, 262 NVSP_MSG1_TYPE_REVOKE_RECV_BUF, 263 264 NVSP_MSG1_TYPE_SEND_SEND_BUF, 265 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, 266 NVSP_MSG1_TYPE_REVOKE_SEND_BUF, 267 268 NVSP_MSG1_TYPE_SEND_RNDIS_PKT, 269 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, 270 271 /* Version 2 messages */ 272 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, 273 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, 274 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, 275 276 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, 277 278 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, 279 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, 280 281 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, 282 283 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, 284 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, 285 286 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, 287 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, 288 289 NVSP_MSG2_TYPE_ALLOC_RXBUF, 290 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, 291 292 NVSP_MSG2_TYPE_FREE_RXBUF, 293 294 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, 295 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, 296 297 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, 298 299 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, 300 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 301 302 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, 303 304 /* Version 4 messages */ 305 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, 306 NVSP_MSG4_TYPE_SWITCH_DATA_PATH, 307 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 308 309 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, 310 311 /* Version 5 messages */ 312 NVSP_MSG5_TYPE_OID_QUERY_EX, 313 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, 314 NVSP_MSG5_TYPE_SUBCHANNEL, 315 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 316 317 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, 318 319 /* Version 6 messages */ 320 NVSP_MSG6_TYPE_PD_API, 321 NVSP_MSG6_TYPE_PD_POST_BATCH, 322 323 NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH 324 }; 325 326 enum { 327 NVSP_STAT_NONE = 0, 328 NVSP_STAT_SUCCESS, 329 NVSP_STAT_FAIL, 330 NVSP_STAT_PROTOCOL_TOO_NEW, 331 NVSP_STAT_PROTOCOL_TOO_OLD, 332 NVSP_STAT_INVALID_RNDIS_PKT, 333 NVSP_STAT_BUSY, 334 NVSP_STAT_PROTOCOL_UNSUPPORTED, 335 NVSP_STAT_MAX, 336 }; 337 338 struct nvsp_message_header { 339 u32 msg_type; 340 }; 341 342 /* Init Messages */ 343 344 /* 345 * This message is used by the VSC to initialize the channel after the channels 346 * has been opened. This message should never include anything other then 347 * versioning (i.e. this message will be the same for ever). 348 */ 349 struct nvsp_message_init { 350 u32 min_protocol_ver; 351 u32 max_protocol_ver; 352 } __packed; 353 354 /* 355 * This message is used by the VSP to complete the initialization of the 356 * channel. This message should never include anything other then versioning 357 * (i.e. this message will be the same for ever). 358 */ 359 struct nvsp_message_init_complete { 360 u32 negotiated_protocol_ver; 361 u32 max_mdl_chain_len; 362 u32 status; 363 } __packed; 364 365 union nvsp_message_init_uber { 366 struct nvsp_message_init init; 367 struct nvsp_message_init_complete init_complete; 368 } __packed; 369 370 /* Version 1 Messages */ 371 372 /* 373 * This message is used by the VSC to send the NDIS version to the VSP. The VSP 374 * can use this information when handling OIDs sent by the VSC. 375 */ 376 struct nvsp_1_message_send_ndis_version { 377 u32 ndis_major_ver; 378 u32 ndis_minor_ver; 379 } __packed; 380 381 /* 382 * This message is used by the VSC to send a receive buffer to the VSP. The VSP 383 * can then use the receive buffer to send data to the VSC. 384 */ 385 struct nvsp_1_message_send_receive_buffer { 386 u32 gpadl_handle; 387 u16 id; 388 } __packed; 389 390 struct nvsp_1_receive_buffer_section { 391 u32 offset; 392 u32 sub_alloc_size; 393 u32 num_sub_allocs; 394 u32 end_offset; 395 } __packed; 396 397 /* 398 * This message is used by the VSP to acknowledge a receive buffer send by the 399 * VSC. This message must be sent by the VSP before the VSP uses the receive 400 * buffer. 401 */ 402 struct nvsp_1_message_send_receive_buffer_complete { 403 u32 status; 404 u32 num_sections; 405 406 /* 407 * The receive buffer is split into two parts, a large suballocation 408 * section and a small suballocation section. These sections are then 409 * suballocated by a certain size. 410 */ 411 412 /* 413 * For example, the following break up of the receive buffer has 6 414 * large suballocations and 10 small suballocations. 415 */ 416 417 /* 418 * | Large Section | | Small Section | 419 * ------------------------------------------------------------ 420 * | | | | | | | | | | | | | | | | | | 421 * | | 422 * LargeOffset SmallOffset 423 */ 424 425 struct nvsp_1_receive_buffer_section sections[1]; 426 } __packed; 427 428 /* 429 * This message is sent by the VSC to revoke the receive buffer. After the VSP 430 * completes this transaction, the vsp should never use the receive buffer 431 * again. 432 */ 433 struct nvsp_1_message_revoke_receive_buffer { 434 u16 id; 435 }; 436 437 /* 438 * This message is used by the VSC to send a send buffer to the VSP. The VSC 439 * can then use the send buffer to send data to the VSP. 440 */ 441 struct nvsp_1_message_send_send_buffer { 442 u32 gpadl_handle; 443 u16 id; 444 } __packed; 445 446 /* 447 * This message is used by the VSP to acknowledge a send buffer sent by the 448 * VSC. This message must be sent by the VSP before the VSP uses the sent 449 * buffer. 450 */ 451 struct nvsp_1_message_send_send_buffer_complete { 452 u32 status; 453 454 /* 455 * The VSC gets to choose the size of the send buffer and the VSP gets 456 * to choose the sections size of the buffer. This was done to enable 457 * dynamic reconfigurations when the cost of GPA-direct buffers 458 * decreases. 459 */ 460 u32 section_size; 461 } __packed; 462 463 /* 464 * This message is sent by the VSC to revoke the send buffer. After the VSP 465 * completes this transaction, the vsp should never use the send buffer again. 466 */ 467 struct nvsp_1_message_revoke_send_buffer { 468 u16 id; 469 }; 470 471 /* 472 * This message is used by both the VSP and the VSC to send a RNDIS message to 473 * the opposite channel endpoint. 474 */ 475 struct nvsp_1_message_send_rndis_packet { 476 /* 477 * This field is specified by RNDIS. They assume there's two different 478 * channels of communication. However, the Network VSP only has one. 479 * Therefore, the channel travels with the RNDIS packet. 480 */ 481 u32 channel_type; 482 483 /* 484 * This field is used to send part or all of the data through a send 485 * buffer. This values specifies an index into the send buffer. If the 486 * index is 0xFFFFFFFF, then the send buffer is not being used and all 487 * of the data was sent through other VMBus mechanisms. 488 */ 489 u32 send_buf_section_index; 490 u32 send_buf_section_size; 491 } __packed; 492 493 /* 494 * This message is used by both the VSP and the VSC to complete a RNDIS message 495 * to the opposite channel endpoint. At this point, the initiator of this 496 * message cannot use any resources associated with the original RNDIS packet. 497 */ 498 struct nvsp_1_message_send_rndis_packet_complete { 499 u32 status; 500 }; 501 502 union nvsp_1_message_uber { 503 struct nvsp_1_message_send_ndis_version send_ndis_ver; 504 505 struct nvsp_1_message_send_receive_buffer send_recv_buf; 506 struct nvsp_1_message_send_receive_buffer_complete 507 send_recv_buf_complete; 508 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; 509 510 struct nvsp_1_message_send_send_buffer send_send_buf; 511 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; 512 struct nvsp_1_message_revoke_send_buffer revoke_send_buf; 513 514 struct nvsp_1_message_send_rndis_packet send_rndis_pkt; 515 struct nvsp_1_message_send_rndis_packet_complete 516 send_rndis_pkt_complete; 517 } __packed; 518 519 520 /* 521 * Network VSP protocol version 2 messages: 522 */ 523 struct nvsp_2_vsc_capability { 524 union { 525 u64 data; 526 struct { 527 u64 vmq:1; 528 u64 chimney:1; 529 u64 sriov:1; 530 u64 ieee8021q:1; 531 u64 correlation_id:1; 532 u64 teaming:1; 533 u64 vsubnetid:1; 534 u64 rsc:1; 535 }; 536 }; 537 } __packed; 538 539 struct nvsp_2_send_ndis_config { 540 u32 mtu; 541 u32 reserved; 542 struct nvsp_2_vsc_capability capability; 543 } __packed; 544 545 /* Allocate receive buffer */ 546 struct nvsp_2_alloc_rxbuf { 547 /* Allocation ID to match the allocation request and response */ 548 u32 alloc_id; 549 550 /* Length of the VM shared memory receive buffer that needs to 551 * be allocated 552 */ 553 u32 len; 554 } __packed; 555 556 /* Allocate receive buffer complete */ 557 struct nvsp_2_alloc_rxbuf_comp { 558 /* The NDIS_STATUS code for buffer allocation */ 559 u32 status; 560 561 u32 alloc_id; 562 563 /* GPADL handle for the allocated receive buffer */ 564 u32 gpadl_handle; 565 566 /* Receive buffer ID */ 567 u64 recv_buf_id; 568 } __packed; 569 570 struct nvsp_2_free_rxbuf { 571 u64 recv_buf_id; 572 } __packed; 573 574 union nvsp_2_message_uber { 575 struct nvsp_2_send_ndis_config send_ndis_config; 576 struct nvsp_2_alloc_rxbuf alloc_rxbuf; 577 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; 578 struct nvsp_2_free_rxbuf free_rxbuf; 579 } __packed; 580 581 struct nvsp_4_send_vf_association { 582 /* 1: allocated, serial number is valid. 0: not allocated */ 583 u32 allocated; 584 585 /* Serial number of the VF to team with */ 586 u32 serial; 587 } __packed; 588 589 enum nvsp_vm_datapath { 590 NVSP_DATAPATH_SYNTHETIC = 0, 591 NVSP_DATAPATH_VF, 592 NVSP_DATAPATH_MAX 593 }; 594 595 struct nvsp_4_sw_datapath { 596 u32 active_datapath; /* active data path in VM */ 597 } __packed; 598 599 union nvsp_4_message_uber { 600 struct nvsp_4_send_vf_association vf_assoc; 601 struct nvsp_4_sw_datapath active_dp; 602 } __packed; 603 604 enum nvsp_subchannel_operation { 605 NVSP_SUBCHANNEL_NONE = 0, 606 NVSP_SUBCHANNEL_ALLOCATE, 607 NVSP_SUBCHANNEL_MAX 608 }; 609 610 struct nvsp_5_subchannel_request { 611 u32 op; 612 u32 num_subchannels; 613 } __packed; 614 615 struct nvsp_5_subchannel_complete { 616 u32 status; 617 u32 num_subchannels; /* Actual number of subchannels allocated */ 618 } __packed; 619 620 struct nvsp_5_send_indirect_table { 621 /* The number of entries in the send indirection table */ 622 u32 count; 623 624 /* The offset of the send indirection table from the beginning of 625 * struct nvsp_message. 626 * The send indirection table tells which channel to put the send 627 * traffic on. Each entry is a channel number. 628 */ 629 u32 offset; 630 } __packed; 631 632 union nvsp_5_message_uber { 633 struct nvsp_5_subchannel_request subchn_req; 634 struct nvsp_5_subchannel_complete subchn_comp; 635 struct nvsp_5_send_indirect_table send_table; 636 } __packed; 637 638 enum nvsp_6_pd_api_op { 639 PD_API_OP_CONFIG = 1, 640 PD_API_OP_SW_DATAPATH, /* Switch Datapath */ 641 PD_API_OP_OPEN_PROVIDER, 642 PD_API_OP_CLOSE_PROVIDER, 643 PD_API_OP_CREATE_QUEUE, 644 PD_API_OP_FLUSH_QUEUE, 645 PD_API_OP_FREE_QUEUE, 646 PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ 647 PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ 648 PD_API_OP_MAX 649 }; 650 651 struct grp_affinity { 652 u64 mask; 653 u16 grp; 654 u16 reserved[3]; 655 } __packed; 656 657 struct nvsp_6_pd_api_req { 658 u32 op; 659 660 union { 661 /* MMIO information is sent from the VM to VSP */ 662 struct __packed { 663 u64 mmio_pa; /* MMIO Physical Address */ 664 u32 mmio_len; 665 666 /* Number of PD queues a VM can support */ 667 u16 num_subchn; 668 } config; 669 670 /* Switch Datapath */ 671 struct __packed { 672 /* Host Datapath Is PacketDirect */ 673 u8 host_dpath_is_pd; 674 675 /* Guest PacketDirect Is Enabled */ 676 u8 guest_pd_enabled; 677 } sw_dpath; 678 679 /* Open Provider*/ 680 struct __packed { 681 u32 prov_id; /* Provider id */ 682 u32 flag; 683 } open_prov; 684 685 /* Close Provider */ 686 struct __packed { 687 u32 prov_id; 688 } cls_prov; 689 690 /* Create Queue*/ 691 struct __packed { 692 u32 prov_id; 693 u16 q_id; 694 u16 q_size; 695 u8 is_recv_q; 696 u8 is_rss_q; 697 u32 recv_data_len; 698 struct grp_affinity affy; 699 } cr_q; 700 701 /* Delete Queue*/ 702 struct __packed { 703 u32 prov_id; 704 u16 q_id; 705 } del_q; 706 707 /* Flush Queue */ 708 struct __packed { 709 u32 prov_id; 710 u16 q_id; 711 } flush_q; 712 713 /* Allocate Common Buffer */ 714 struct __packed { 715 u32 len; 716 u32 pf_node; /* Preferred Node */ 717 u16 region_id; 718 } alloc_com_buf; 719 720 /* Free Common Buffer */ 721 struct __packed { 722 u32 len; 723 u64 pa; /* Physical Address */ 724 u32 pf_node; /* Preferred Node */ 725 u16 region_id; 726 u8 cache_type; 727 } free_com_buf; 728 } __packed; 729 } __packed; 730 731 struct nvsp_6_pd_api_comp { 732 u32 op; 733 u32 status; 734 735 union { 736 struct __packed { 737 /* actual number of PD queues allocated to the VM */ 738 u16 num_pd_q; 739 740 /* Num Receive Rss PD Queues */ 741 u8 num_rss_q; 742 743 u8 is_supported; /* Is supported by VSP */ 744 u8 is_enabled; /* Is enabled by VSP */ 745 } config; 746 747 /* Open Provider */ 748 struct __packed { 749 u32 prov_id; 750 } open_prov; 751 752 /* Create Queue */ 753 struct __packed { 754 u32 prov_id; 755 u16 q_id; 756 u16 q_size; 757 u32 recv_data_len; 758 struct grp_affinity affy; 759 } cr_q; 760 761 /* Allocate Common Buffer */ 762 struct __packed { 763 u64 pa; /* Physical Address */ 764 u32 len; 765 u32 pf_node; /* Preferred Node */ 766 u16 region_id; 767 u8 cache_type; 768 } alloc_com_buf; 769 } __packed; 770 } __packed; 771 772 struct nvsp_6_pd_buf { 773 u32 region_offset; 774 u16 region_id; 775 u16 is_partial:1; 776 u16 reserved:15; 777 } __packed; 778 779 struct nvsp_6_pd_batch_msg { 780 struct nvsp_message_header hdr; 781 u16 count; 782 u16 guest2host:1; 783 u16 is_recv:1; 784 u16 reserved:14; 785 struct nvsp_6_pd_buf pd_buf[0]; 786 } __packed; 787 788 union nvsp_6_message_uber { 789 struct nvsp_6_pd_api_req pd_req; 790 struct nvsp_6_pd_api_comp pd_comp; 791 } __packed; 792 793 union nvsp_all_messages { 794 union nvsp_message_init_uber init_msg; 795 union nvsp_1_message_uber v1_msg; 796 union nvsp_2_message_uber v2_msg; 797 union nvsp_4_message_uber v4_msg; 798 union nvsp_5_message_uber v5_msg; 799 union nvsp_6_message_uber v6_msg; 800 } __packed; 801 802 /* ALL Messages */ 803 struct nvsp_message { 804 struct nvsp_message_header hdr; 805 union nvsp_all_messages msg; 806 } __packed; 807 808 809 #define NETVSC_MTU 65535 810 #define NETVSC_MTU_MIN ETH_MIN_MTU 811 812 /* Max buffer sizes allowed by a host */ 813 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ 814 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ 815 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) 816 817 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ 818 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) 819 820 #define NETVSC_INVALID_INDEX -1 821 822 #define NETVSC_SEND_SECTION_SIZE 6144 823 #define NETVSC_RECV_SECTION_SIZE 1728 824 825 /* Default size of TX buf: 1MB, RX buf: 16MB */ 826 #define NETVSC_MIN_TX_SECTIONS 10 827 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ 828 / NETVSC_SEND_SECTION_SIZE) 829 #define NETVSC_MIN_RX_SECTIONS 10 830 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ 831 / NETVSC_RECV_SECTION_SIZE) 832 833 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe 834 #define NETVSC_SEND_BUFFER_ID 0 835 836 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ 837 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ 838 NETIF_F_TSO6 | NETIF_F_LRO | \ 839 NETIF_F_SG | NETIF_F_RXHASH) 840 841 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ 842 #define VRSS_CHANNEL_MAX 64 843 #define VRSS_CHANNEL_DEFAULT 8 844 845 #define RNDIS_MAX_PKT_DEFAULT 8 846 #define RNDIS_PKT_ALIGN_DEFAULT 8 847 848 #define NETVSC_XDP_HDRM 256 849 850 #define NETVSC_MIN_OUT_MSG_SIZE (sizeof(struct vmpacket_descriptor) + \ 851 sizeof(struct nvsp_message)) 852 #define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor) 853 854 /* Estimated requestor size: 855 * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size 856 */ 857 static inline u32 netvsc_rqstor_size(unsigned long ringbytes) 858 { 859 return ringbytes / NETVSC_MIN_OUT_MSG_SIZE + 860 ringbytes / NETVSC_MIN_IN_MSG_SIZE; 861 } 862 863 #define NETVSC_XFER_HEADER_SIZE(rng_cnt) \ 864 (offsetof(struct vmtransfer_page_packet_header, ranges) + \ 865 (rng_cnt) * sizeof(struct vmtransfer_page_range)) 866 867 struct multi_send_data { 868 struct sk_buff *skb; /* skb containing the pkt */ 869 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ 870 u32 count; /* counter of batched packets */ 871 }; 872 873 struct recv_comp_data { 874 u64 tid; /* transaction id */ 875 u32 status; 876 }; 877 878 struct multi_recv_comp { 879 struct recv_comp_data *slots; 880 u32 first; /* first data entry */ 881 u32 next; /* next entry for writing */ 882 }; 883 884 #define NVSP_RSC_MAX 562 /* Max #RSC frags in a vmbus xfer page pkt */ 885 886 struct nvsc_rsc { 887 const struct ndis_pkt_8021q_info *vlan; 888 const struct ndis_tcp_ip_checksum_info *csum_info; 889 const u32 *hash_info; 890 u8 is_last; /* last RNDIS msg in a vmtransfer_page */ 891 u32 cnt; /* #fragments in an RSC packet */ 892 u32 pktlen; /* Full packet length */ 893 void *data[NVSP_RSC_MAX]; 894 u32 len[NVSP_RSC_MAX]; 895 }; 896 897 struct netvsc_stats { 898 u64 packets; 899 u64 bytes; 900 u64 broadcast; 901 u64 multicast; 902 u64 xdp_drop; 903 struct u64_stats_sync syncp; 904 }; 905 906 struct netvsc_ethtool_stats { 907 unsigned long tx_scattered; 908 unsigned long tx_no_memory; 909 unsigned long tx_no_space; 910 unsigned long tx_too_big; 911 unsigned long tx_busy; 912 unsigned long tx_send_full; 913 unsigned long rx_comp_busy; 914 unsigned long rx_no_memory; 915 unsigned long stop_queue; 916 unsigned long wake_queue; 917 unsigned long vlan_error; 918 }; 919 920 struct netvsc_ethtool_pcpu_stats { 921 u64 rx_packets; 922 u64 rx_bytes; 923 u64 tx_packets; 924 u64 tx_bytes; 925 u64 vf_rx_packets; 926 u64 vf_rx_bytes; 927 u64 vf_tx_packets; 928 u64 vf_tx_bytes; 929 }; 930 931 struct netvsc_vf_pcpu_stats { 932 u64 rx_packets; 933 u64 rx_bytes; 934 u64 tx_packets; 935 u64 tx_bytes; 936 struct u64_stats_sync syncp; 937 u32 tx_dropped; 938 }; 939 940 struct netvsc_reconfig { 941 struct list_head list; 942 u32 event; 943 }; 944 945 /* L4 hash bits for different protocols */ 946 #define HV_TCP4_L4HASH 1 947 #define HV_TCP6_L4HASH 2 948 #define HV_UDP4_L4HASH 4 949 #define HV_UDP6_L4HASH 8 950 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ 951 HV_UDP6_L4HASH) 952 953 /* The context of the netvsc device */ 954 struct net_device_context { 955 /* point back to our device context */ 956 struct hv_device *device_ctx; 957 /* netvsc_device */ 958 struct netvsc_device __rcu *nvdev; 959 /* list of netvsc net_devices */ 960 struct list_head list; 961 /* reconfigure work */ 962 struct delayed_work dwork; 963 /* last reconfig time */ 964 unsigned long last_reconfig; 965 /* reconfig events */ 966 struct list_head reconfig_events; 967 /* list protection */ 968 spinlock_t lock; 969 970 u32 msg_enable; /* debug level */ 971 972 u32 tx_checksum_mask; 973 974 u32 tx_table[VRSS_SEND_TAB_SIZE]; 975 976 u16 rx_table[ITAB_NUM]; 977 978 /* Ethtool settings */ 979 u8 duplex; 980 u32 speed; 981 u32 l4_hash; /* L4 hash settings */ 982 struct netvsc_ethtool_stats eth_stats; 983 984 /* State to manage the associated VF interface. */ 985 struct net_device __rcu *vf_netdev; 986 struct netvsc_vf_pcpu_stats __percpu *vf_stats; 987 struct delayed_work vf_takeover; 988 989 /* 1: allocated, serial number is valid. 0: not allocated */ 990 u32 vf_alloc; 991 /* Serial number of the VF to team with */ 992 u32 vf_serial; 993 994 /* Is the current data path through the VF NIC? */ 995 bool data_path_is_vf; 996 997 /* Used to temporarily save the config info across hibernation */ 998 struct netvsc_device_info *saved_netvsc_dev_info; 999 }; 1000 1001 /* Per channel data */ 1002 struct netvsc_channel { 1003 struct vmbus_channel *channel; 1004 struct netvsc_device *net_device; 1005 const struct vmpacket_descriptor *desc; 1006 struct napi_struct napi; 1007 struct multi_send_data msd; 1008 struct multi_recv_comp mrc; 1009 atomic_t queue_sends; 1010 struct nvsc_rsc rsc; 1011 1012 struct bpf_prog __rcu *bpf_prog; 1013 struct xdp_rxq_info xdp_rxq; 1014 1015 struct netvsc_stats tx_stats; 1016 struct netvsc_stats rx_stats; 1017 }; 1018 1019 /* Per netvsc device */ 1020 struct netvsc_device { 1021 u32 nvsp_version; 1022 1023 wait_queue_head_t wait_drain; 1024 bool destroy; 1025 bool tx_disable; /* if true, do not wake up queue again */ 1026 1027 /* Receive buffer allocated by us but manages by NetVSP */ 1028 void *recv_buf; 1029 u32 recv_buf_size; /* allocated bytes */ 1030 u32 recv_buf_gpadl_handle; 1031 u32 recv_section_cnt; 1032 u32 recv_section_size; 1033 u32 recv_completion_cnt; 1034 1035 /* Send buffer allocated by us */ 1036 void *send_buf; 1037 u32 send_buf_gpadl_handle; 1038 u32 send_section_cnt; 1039 u32 send_section_size; 1040 unsigned long *send_section_map; 1041 1042 /* Used for NetVSP initialization protocol */ 1043 struct completion channel_init_wait; 1044 struct nvsp_message channel_init_pkt; 1045 1046 struct nvsp_message revoke_packet; 1047 1048 u32 max_chn; 1049 u32 num_chn; 1050 1051 atomic_t open_chn; 1052 struct work_struct subchan_work; 1053 wait_queue_head_t subchan_open; 1054 1055 struct rndis_device *extension; 1056 1057 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ 1058 u32 pkt_align; /* alignment bytes, e.g. 8 */ 1059 1060 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; 1061 1062 struct rcu_head rcu; 1063 }; 1064 1065 /* NdisInitialize message */ 1066 struct rndis_initialize_request { 1067 u32 req_id; 1068 u32 major_ver; 1069 u32 minor_ver; 1070 u32 max_xfer_size; 1071 }; 1072 1073 /* Response to NdisInitialize */ 1074 struct rndis_initialize_complete { 1075 u32 req_id; 1076 u32 status; 1077 u32 major_ver; 1078 u32 minor_ver; 1079 u32 dev_flags; 1080 u32 medium; 1081 u32 max_pkt_per_msg; 1082 u32 max_xfer_size; 1083 u32 pkt_alignment_factor; 1084 u32 af_list_offset; 1085 u32 af_list_size; 1086 }; 1087 1088 /* Call manager devices only: Information about an address family */ 1089 /* supported by the device is appended to the response to NdisInitialize. */ 1090 struct rndis_co_address_family { 1091 u32 address_family; 1092 u32 major_ver; 1093 u32 minor_ver; 1094 }; 1095 1096 /* NdisHalt message */ 1097 struct rndis_halt_request { 1098 u32 req_id; 1099 }; 1100 1101 /* NdisQueryRequest message */ 1102 struct rndis_query_request { 1103 u32 req_id; 1104 u32 oid; 1105 u32 info_buflen; 1106 u32 info_buf_offset; 1107 u32 dev_vc_handle; 1108 }; 1109 1110 /* Response to NdisQueryRequest */ 1111 struct rndis_query_complete { 1112 u32 req_id; 1113 u32 status; 1114 u32 info_buflen; 1115 u32 info_buf_offset; 1116 }; 1117 1118 /* NdisSetRequest message */ 1119 struct rndis_set_request { 1120 u32 req_id; 1121 u32 oid; 1122 u32 info_buflen; 1123 u32 info_buf_offset; 1124 u32 dev_vc_handle; 1125 }; 1126 1127 /* Response to NdisSetRequest */ 1128 struct rndis_set_complete { 1129 u32 req_id; 1130 u32 status; 1131 }; 1132 1133 /* NdisReset message */ 1134 struct rndis_reset_request { 1135 u32 reserved; 1136 }; 1137 1138 /* Response to NdisReset */ 1139 struct rndis_reset_complete { 1140 u32 status; 1141 u32 addressing_reset; 1142 }; 1143 1144 /* NdisMIndicateStatus message */ 1145 struct rndis_indicate_status { 1146 u32 status; 1147 u32 status_buflen; 1148 u32 status_buf_offset; 1149 }; 1150 1151 /* Diagnostic information passed as the status buffer in */ 1152 /* struct rndis_indicate_status messages signifying error conditions. */ 1153 struct rndis_diagnostic_info { 1154 u32 diag_status; 1155 u32 error_offset; 1156 }; 1157 1158 /* NdisKeepAlive message */ 1159 struct rndis_keepalive_request { 1160 u32 req_id; 1161 }; 1162 1163 /* Response to NdisKeepAlive */ 1164 struct rndis_keepalive_complete { 1165 u32 req_id; 1166 u32 status; 1167 }; 1168 1169 /* 1170 * Data message. All Offset fields contain byte offsets from the beginning of 1171 * struct rndis_packet. All Length fields are in bytes. VcHandle is set 1172 * to 0 for connectionless data, otherwise it contains the VC handle. 1173 */ 1174 struct rndis_packet { 1175 u32 data_offset; 1176 u32 data_len; 1177 u32 oob_data_offset; 1178 u32 oob_data_len; 1179 u32 num_oob_data_elements; 1180 u32 per_pkt_info_offset; 1181 u32 per_pkt_info_len; 1182 u32 vc_handle; 1183 u32 reserved; 1184 }; 1185 1186 /* Optional Out of Band data associated with a Data message. */ 1187 struct rndis_oobd { 1188 u32 size; 1189 u32 type; 1190 u32 class_info_offset; 1191 }; 1192 1193 /* Packet extension field contents associated with a Data message. */ 1194 struct rndis_per_packet_info { 1195 u32 size; 1196 u32 type:31; 1197 u32 internal:1; 1198 u32 ppi_offset; 1199 }; 1200 1201 enum ndis_per_pkt_info_type { 1202 TCPIP_CHKSUM_PKTINFO, 1203 IPSEC_PKTINFO, 1204 TCP_LARGESEND_PKTINFO, 1205 CLASSIFICATION_HANDLE_PKTINFO, 1206 NDIS_RESERVED, 1207 SG_LIST_PKTINFO, 1208 IEEE_8021Q_INFO, 1209 ORIGINAL_PKTINFO, 1210 PACKET_CANCEL_ID, 1211 NBL_HASH_VALUE = PACKET_CANCEL_ID, 1212 ORIGINAL_NET_BUFLIST, 1213 CACHED_NET_BUFLIST, 1214 SHORT_PKT_PADINFO, 1215 MAX_PER_PKT_INFO 1216 }; 1217 1218 enum rndis_per_pkt_info_interal_type { 1219 RNDIS_PKTINFO_ID = 1, 1220 /* Add more members here */ 1221 1222 RNDIS_PKTINFO_MAX 1223 }; 1224 1225 #define RNDIS_PKTINFO_SUBALLOC BIT(0) 1226 #define RNDIS_PKTINFO_1ST_FRAG BIT(1) 1227 #define RNDIS_PKTINFO_LAST_FRAG BIT(2) 1228 1229 #define RNDIS_PKTINFO_ID_V1 1 1230 1231 struct rndis_pktinfo_id { 1232 u8 ver; 1233 u8 flag; 1234 u16 pkt_id; 1235 }; 1236 1237 struct ndis_pkt_8021q_info { 1238 union { 1239 struct { 1240 u32 pri:3; /* User Priority */ 1241 u32 cfi:1; /* Canonical Format ID */ 1242 u32 vlanid:12; /* VLAN ID */ 1243 u32 reserved:16; 1244 }; 1245 u32 value; 1246 }; 1247 }; 1248 1249 struct ndis_object_header { 1250 u8 type; 1251 u8 revision; 1252 u16 size; 1253 }; 1254 1255 #define NDIS_OBJECT_TYPE_DEFAULT 0x80 1256 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 1257 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 1258 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 1259 1260 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 1261 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 1262 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 1263 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 1264 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 1265 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 1266 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 1267 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 1268 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 1269 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 1270 1271 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 1272 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 1273 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 1274 1275 #define VERSION_4_OFFLOAD_SIZE 22 1276 /* 1277 * New offload OIDs for NDIS 6 1278 */ 1279 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ 1280 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ 1281 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ 1282 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ 1283 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ 1284 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ 1285 1286 /* 1287 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 1288 * ndis_type: NDIS_OBJTYPE_OFFLOAD 1289 */ 1290 1291 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 1292 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 1293 #define NDIS_OFFLOAD_ENCAP_8023 0x0002 1294 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 1295 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 1296 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 1297 1298 struct ndis_csum_offload { 1299 u32 ip4_txenc; 1300 u32 ip4_txcsum; 1301 #define NDIS_TXCSUM_CAP_IP4OPT 0x001 1302 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 1303 #define NDIS_TXCSUM_CAP_TCP4 0x010 1304 #define NDIS_TXCSUM_CAP_UDP4 0x040 1305 #define NDIS_TXCSUM_CAP_IP4 0x100 1306 1307 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) 1308 1309 u32 ip4_rxenc; 1310 u32 ip4_rxcsum; 1311 #define NDIS_RXCSUM_CAP_IP4OPT 0x001 1312 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 1313 #define NDIS_RXCSUM_CAP_TCP4 0x010 1314 #define NDIS_RXCSUM_CAP_UDP4 0x040 1315 #define NDIS_RXCSUM_CAP_IP4 0x100 1316 u32 ip6_txenc; 1317 u32 ip6_txcsum; 1318 #define NDIS_TXCSUM_CAP_IP6EXT 0x001 1319 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 1320 #define NDIS_TXCSUM_CAP_TCP6 0x010 1321 #define NDIS_TXCSUM_CAP_UDP6 0x040 1322 u32 ip6_rxenc; 1323 u32 ip6_rxcsum; 1324 #define NDIS_RXCSUM_CAP_IP6EXT 0x001 1325 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 1326 #define NDIS_RXCSUM_CAP_TCP6 0x010 1327 #define NDIS_RXCSUM_CAP_UDP6 0x040 1328 1329 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ 1330 NDIS_TXCSUM_CAP_TCP6OPT | \ 1331 NDIS_TXCSUM_CAP_IP6EXT) 1332 }; 1333 1334 struct ndis_lsov1_offload { 1335 u32 encap; 1336 u32 maxsize; 1337 u32 minsegs; 1338 u32 opts; 1339 }; 1340 1341 struct ndis_ipsecv1_offload { 1342 u32 encap; 1343 u32 ah_esp; 1344 u32 xport_tun; 1345 u32 ip4_opts; 1346 u32 flags; 1347 u32 ip4_ah; 1348 u32 ip4_esp; 1349 }; 1350 1351 struct ndis_lsov2_offload { 1352 u32 ip4_encap; 1353 u32 ip4_maxsz; 1354 u32 ip4_minsg; 1355 u32 ip6_encap; 1356 u32 ip6_maxsz; 1357 u32 ip6_minsg; 1358 u32 ip6_opts; 1359 #define NDIS_LSOV2_CAP_IP6EXT 0x001 1360 #define NDIS_LSOV2_CAP_TCP6OPT 0x004 1361 1362 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ 1363 NDIS_LSOV2_CAP_TCP6OPT) 1364 }; 1365 1366 struct ndis_ipsecv2_offload { 1367 u32 encap; 1368 u8 ip6; 1369 u8 ip4opt; 1370 u8 ip6ext; 1371 u8 ah; 1372 u8 esp; 1373 u8 ah_esp; 1374 u8 xport; 1375 u8 tun; 1376 u8 xport_tun; 1377 u8 lso; 1378 u8 extseq; 1379 u32 udp_esp; 1380 u32 auth; 1381 u32 crypto; 1382 u32 sa_caps; 1383 }; 1384 1385 struct ndis_rsc_offload { 1386 u8 ip4; 1387 u8 ip6; 1388 }; 1389 1390 struct ndis_encap_offload { 1391 u32 flags; 1392 u32 maxhdr; 1393 }; 1394 1395 struct ndis_offload { 1396 struct ndis_object_header header; 1397 struct ndis_csum_offload csum; 1398 struct ndis_lsov1_offload lsov1; 1399 struct ndis_ipsecv1_offload ipsecv1; 1400 struct ndis_lsov2_offload lsov2; 1401 u32 flags; 1402 /* NDIS >= 6.1 */ 1403 struct ndis_ipsecv2_offload ipsecv2; 1404 /* NDIS >= 6.30 */ 1405 struct ndis_rsc_offload rsc; 1406 struct ndis_encap_offload encap_gre; 1407 }; 1408 1409 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) 1410 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) 1411 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) 1412 1413 struct ndis_offload_params { 1414 struct ndis_object_header header; 1415 u8 ip_v4_csum; 1416 u8 tcp_ip_v4_csum; 1417 u8 udp_ip_v4_csum; 1418 u8 tcp_ip_v6_csum; 1419 u8 udp_ip_v6_csum; 1420 u8 lso_v1; 1421 u8 ip_sec_v1; 1422 u8 lso_v2_ipv4; 1423 u8 lso_v2_ipv6; 1424 u8 tcp_connection_ip_v4; 1425 u8 tcp_connection_ip_v6; 1426 u32 flags; 1427 u8 ip_sec_v2; 1428 u8 ip_sec_v2_ip_v4; 1429 struct { 1430 u8 rsc_ip_v4; 1431 u8 rsc_ip_v6; 1432 }; 1433 struct { 1434 u8 encapsulated_packet_task_offload; 1435 u8 encapsulation_types; 1436 }; 1437 }; 1438 1439 struct ndis_tcp_ip_checksum_info { 1440 union { 1441 struct { 1442 u32 is_ipv4:1; 1443 u32 is_ipv6:1; 1444 u32 tcp_checksum:1; 1445 u32 udp_checksum:1; 1446 u32 ip_header_checksum:1; 1447 u32 reserved:11; 1448 u32 tcp_header_offset:10; 1449 } transmit; 1450 struct { 1451 u32 tcp_checksum_failed:1; 1452 u32 udp_checksum_failed:1; 1453 u32 ip_checksum_failed:1; 1454 u32 tcp_checksum_succeeded:1; 1455 u32 udp_checksum_succeeded:1; 1456 u32 ip_checksum_succeeded:1; 1457 u32 loopback:1; 1458 u32 tcp_checksum_value_invalid:1; 1459 u32 ip_checksum_value_invalid:1; 1460 } receive; 1461 u32 value; 1462 }; 1463 }; 1464 1465 struct ndis_tcp_lso_info { 1466 union { 1467 struct { 1468 u32 unused:30; 1469 u32 type:1; 1470 u32 reserved2:1; 1471 } transmit; 1472 struct { 1473 u32 mss:20; 1474 u32 tcp_header_offset:10; 1475 u32 type:1; 1476 u32 reserved2:1; 1477 } lso_v1_transmit; 1478 struct { 1479 u32 tcp_payload:30; 1480 u32 type:1; 1481 u32 reserved2:1; 1482 } lso_v1_transmit_complete; 1483 struct { 1484 u32 mss:20; 1485 u32 tcp_header_offset:10; 1486 u32 type:1; 1487 u32 ip_version:1; 1488 } lso_v2_transmit; 1489 struct { 1490 u32 reserved:30; 1491 u32 type:1; 1492 u32 reserved2:1; 1493 } lso_v2_transmit_complete; 1494 u32 value; 1495 }; 1496 }; 1497 1498 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1499 sizeof(struct ndis_pkt_8021q_info)) 1500 1501 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1502 sizeof(struct ndis_tcp_ip_checksum_info)) 1503 1504 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1505 sizeof(struct ndis_tcp_lso_info)) 1506 1507 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ 1508 sizeof(u32)) 1509 1510 /* Total size of all PPI data */ 1511 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ 1512 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) 1513 1514 /* Format of Information buffer passed in a SetRequest for the OID */ 1515 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ 1516 struct rndis_config_parameter_info { 1517 u32 parameter_name_offset; 1518 u32 parameter_name_length; 1519 u32 parameter_type; 1520 u32 parameter_value_offset; 1521 u32 parameter_value_length; 1522 }; 1523 1524 /* Values for ParameterType in struct rndis_config_parameter_info */ 1525 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 1526 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 1527 1528 /* CONDIS Miniport messages for connection oriented devices */ 1529 /* that do not implement a call manager. */ 1530 1531 /* CoNdisMiniportCreateVc message */ 1532 struct rcondis_mp_create_vc { 1533 u32 req_id; 1534 u32 ndis_vc_handle; 1535 }; 1536 1537 /* Response to CoNdisMiniportCreateVc */ 1538 struct rcondis_mp_create_vc_complete { 1539 u32 req_id; 1540 u32 dev_vc_handle; 1541 u32 status; 1542 }; 1543 1544 /* CoNdisMiniportDeleteVc message */ 1545 struct rcondis_mp_delete_vc { 1546 u32 req_id; 1547 u32 dev_vc_handle; 1548 }; 1549 1550 /* Response to CoNdisMiniportDeleteVc */ 1551 struct rcondis_mp_delete_vc_complete { 1552 u32 req_id; 1553 u32 status; 1554 }; 1555 1556 /* CoNdisMiniportQueryRequest message */ 1557 struct rcondis_mp_query_request { 1558 u32 req_id; 1559 u32 request_type; 1560 u32 oid; 1561 u32 dev_vc_handle; 1562 u32 info_buflen; 1563 u32 info_buf_offset; 1564 }; 1565 1566 /* CoNdisMiniportSetRequest message */ 1567 struct rcondis_mp_set_request { 1568 u32 req_id; 1569 u32 request_type; 1570 u32 oid; 1571 u32 dev_vc_handle; 1572 u32 info_buflen; 1573 u32 info_buf_offset; 1574 }; 1575 1576 /* CoNdisIndicateStatus message */ 1577 struct rcondis_indicate_status { 1578 u32 ndis_vc_handle; 1579 u32 status; 1580 u32 status_buflen; 1581 u32 status_buf_offset; 1582 }; 1583 1584 /* CONDIS Call/VC parameters */ 1585 struct rcondis_specific_parameters { 1586 u32 parameter_type; 1587 u32 parameter_length; 1588 u32 parameter_lffset; 1589 }; 1590 1591 struct rcondis_media_parameters { 1592 u32 flags; 1593 u32 reserved1; 1594 u32 reserved2; 1595 struct rcondis_specific_parameters media_specific; 1596 }; 1597 1598 struct rndis_flowspec { 1599 u32 token_rate; 1600 u32 token_bucket_size; 1601 u32 peak_bandwidth; 1602 u32 latency; 1603 u32 delay_variation; 1604 u32 service_type; 1605 u32 max_sdu_size; 1606 u32 minimum_policed_size; 1607 }; 1608 1609 struct rcondis_call_manager_parameters { 1610 struct rndis_flowspec transmit; 1611 struct rndis_flowspec receive; 1612 struct rcondis_specific_parameters call_mgr_specific; 1613 }; 1614 1615 /* CoNdisMiniportActivateVc message */ 1616 struct rcondis_mp_activate_vc_request { 1617 u32 req_id; 1618 u32 flags; 1619 u32 dev_vc_handle; 1620 u32 media_params_offset; 1621 u32 media_params_length; 1622 u32 call_mgr_params_offset; 1623 u32 call_mgr_params_length; 1624 }; 1625 1626 /* Response to CoNdisMiniportActivateVc */ 1627 struct rcondis_mp_activate_vc_complete { 1628 u32 req_id; 1629 u32 status; 1630 }; 1631 1632 /* CoNdisMiniportDeactivateVc message */ 1633 struct rcondis_mp_deactivate_vc_request { 1634 u32 req_id; 1635 u32 flags; 1636 u32 dev_vc_handle; 1637 }; 1638 1639 /* Response to CoNdisMiniportDeactivateVc */ 1640 struct rcondis_mp_deactivate_vc_complete { 1641 u32 req_id; 1642 u32 status; 1643 }; 1644 1645 1646 /* union with all of the RNDIS messages */ 1647 union rndis_message_container { 1648 struct rndis_packet pkt; 1649 struct rndis_initialize_request init_req; 1650 struct rndis_halt_request halt_req; 1651 struct rndis_query_request query_req; 1652 struct rndis_set_request set_req; 1653 struct rndis_reset_request reset_req; 1654 struct rndis_keepalive_request keep_alive_req; 1655 struct rndis_indicate_status indicate_status; 1656 struct rndis_initialize_complete init_complete; 1657 struct rndis_query_complete query_complete; 1658 struct rndis_set_complete set_complete; 1659 struct rndis_reset_complete reset_complete; 1660 struct rndis_keepalive_complete keep_alive_complete; 1661 struct rcondis_mp_create_vc co_miniport_create_vc; 1662 struct rcondis_mp_delete_vc co_miniport_delete_vc; 1663 struct rcondis_indicate_status co_indicate_status; 1664 struct rcondis_mp_activate_vc_request co_miniport_activate_vc; 1665 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; 1666 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; 1667 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; 1668 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; 1669 struct rcondis_mp_deactivate_vc_complete 1670 co_miniport_deactivate_vc_complete; 1671 }; 1672 1673 /* Remote NDIS message format */ 1674 struct rndis_message { 1675 u32 ndis_msg_type; 1676 1677 /* Total length of this message, from the beginning */ 1678 /* of the struct rndis_message, in bytes. */ 1679 u32 msg_len; 1680 1681 /* Actual message */ 1682 union rndis_message_container msg; 1683 }; 1684 1685 1686 /* Handy macros */ 1687 1688 /* get the size of an RNDIS message. Pass in the message type, */ 1689 /* struct rndis_set_request, struct rndis_packet for example */ 1690 #define RNDIS_MESSAGE_SIZE(msg) \ 1691 (sizeof(msg) + (sizeof(struct rndis_message) - \ 1692 sizeof(union rndis_message_container))) 1693 1694 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \ 1695 sizeof(union rndis_message_container)) 1696 1697 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) 1698 1699 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 1700 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 1701 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 1702 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 1703 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 1704 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 1705 #define NDIS_PACKET_TYPE_SMT 0x00000040 1706 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 1707 #define NDIS_PACKET_TYPE_GROUP 0x00000100 1708 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 1709 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 1710 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 1711 1712 #define TRANSPORT_INFO_NOT_IP 0 1713 #define TRANSPORT_INFO_IPV4_TCP 0x01 1714 #define TRANSPORT_INFO_IPV4_UDP 0x02 1715 #define TRANSPORT_INFO_IPV6_TCP 0x10 1716 #define TRANSPORT_INFO_IPV6_UDP 0x20 1717 1718 #endif /* _HYPERV_NET_H */ 1719