xref: /linux/drivers/net/hyperv/hyperv_net.h (revision a508da6cc0093171833efb8376b00473f24221b9)
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, write to the Free Software Foundation, Inc., 59 Temple
16  * Place - Suite 330, Boston, MA 02111-1307 USA.
17  *
18  * Authors:
19  *   Haiyang Zhang <haiyangz@microsoft.com>
20  *   Hank Janssen  <hjanssen@microsoft.com>
21  *   K. Y. Srinivasan <kys@microsoft.com>
22  *
23  */
24 
25 #ifndef _HYPERV_NET_H
26 #define _HYPERV_NET_H
27 
28 #include <linux/list.h>
29 #include <linux/hyperv.h>
30 #include <linux/rndis.h>
31 
32 /* Fwd declaration */
33 struct hv_netvsc_packet;
34 
35 /* Represent the xfer page packet which contains 1 or more netvsc packet */
36 struct xferpage_packet {
37 	struct list_head list_ent;
38 
39 	/* # of netvsc packets this xfer packet contains */
40 	u32 count;
41 };
42 
43 /*
44  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
45  * within the RNDIS
46  */
47 struct hv_netvsc_packet {
48 	/* Bookkeeping stuff */
49 	struct list_head list_ent;
50 
51 	struct hv_device *device;
52 	bool is_data_pkt;
53 	u16 vlan_tci;
54 
55 	/*
56 	 * Valid only for receives when we break a xfer page packet
57 	 * into multiple netvsc packets
58 	 */
59 	struct xferpage_packet *xfer_page_pkt;
60 
61 	union {
62 		struct {
63 			u64 recv_completion_tid;
64 			void *recv_completion_ctx;
65 			void (*recv_completion)(void *context);
66 		} recv;
67 		struct {
68 			u64 send_completion_tid;
69 			void *send_completion_ctx;
70 			void (*send_completion)(void *context);
71 		} send;
72 	} completion;
73 
74 	/* This points to the memory after page_buf */
75 	void *extension;
76 
77 	u32 total_data_buflen;
78 	/* Points to the send/receive buffer where the ethernet frame is */
79 	void *data;
80 	u32 page_buf_cnt;
81 	struct hv_page_buffer page_buf[0];
82 };
83 
84 struct netvsc_device_info {
85 	unsigned char mac_adr[6];
86 	bool link_state;	/* 0 - link up, 1 - link down */
87 	int  ring_size;
88 };
89 
90 enum rndis_device_state {
91 	RNDIS_DEV_UNINITIALIZED = 0,
92 	RNDIS_DEV_INITIALIZING,
93 	RNDIS_DEV_INITIALIZED,
94 	RNDIS_DEV_DATAINITIALIZED,
95 };
96 
97 struct rndis_device {
98 	struct netvsc_device *net_dev;
99 
100 	enum rndis_device_state state;
101 	bool link_state;
102 	atomic_t new_req_id;
103 
104 	spinlock_t request_lock;
105 	struct list_head req_list;
106 
107 	unsigned char hw_mac_adr[ETH_ALEN];
108 };
109 
110 
111 /* Interface */
112 int netvsc_device_add(struct hv_device *device, void *additional_info);
113 int netvsc_device_remove(struct hv_device *device);
114 int netvsc_send(struct hv_device *device,
115 		struct hv_netvsc_packet *packet);
116 void netvsc_linkstatus_callback(struct hv_device *device_obj,
117 				unsigned int status);
118 int netvsc_recv_callback(struct hv_device *device_obj,
119 			struct hv_netvsc_packet *packet);
120 int rndis_filter_open(struct hv_device *dev);
121 int rndis_filter_close(struct hv_device *dev);
122 int rndis_filter_device_add(struct hv_device *dev,
123 			void *additional_info);
124 void rndis_filter_device_remove(struct hv_device *dev);
125 int rndis_filter_receive(struct hv_device *dev,
126 			struct hv_netvsc_packet *pkt);
127 
128 
129 
130 int rndis_filter_send(struct hv_device *dev,
131 			struct hv_netvsc_packet *pkt);
132 
133 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
134 
135 
136 #define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
137 
138 #define NVSP_PROTOCOL_VERSION_1		2
139 #define NVSP_PROTOCOL_VERSION_2		0x30002
140 
141 enum {
142 	NVSP_MSG_TYPE_NONE = 0,
143 
144 	/* Init Messages */
145 	NVSP_MSG_TYPE_INIT			= 1,
146 	NVSP_MSG_TYPE_INIT_COMPLETE		= 2,
147 
148 	NVSP_VERSION_MSG_START			= 100,
149 
150 	/* Version 1 Messages */
151 	NVSP_MSG1_TYPE_SEND_NDIS_VER		= NVSP_VERSION_MSG_START,
152 
153 	NVSP_MSG1_TYPE_SEND_RECV_BUF,
154 	NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
155 	NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
156 
157 	NVSP_MSG1_TYPE_SEND_SEND_BUF,
158 	NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
159 	NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
160 
161 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
162 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
163 
164 	/* Version 2 messages */
165 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
166 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
167 	NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
168 
169 	NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
170 
171 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
172 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
173 
174 	NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
175 
176 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
177 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
178 
179 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
180 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
181 
182 	NVSP_MSG2_TYPE_ALLOC_RXBUF,
183 	NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
184 
185 	NVSP_MSG2_TYPE_FREE_RXBUF,
186 
187 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
188 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
189 
190 	NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
191 
192 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
193 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
194 };
195 
196 enum {
197 	NVSP_STAT_NONE = 0,
198 	NVSP_STAT_SUCCESS,
199 	NVSP_STAT_FAIL,
200 	NVSP_STAT_PROTOCOL_TOO_NEW,
201 	NVSP_STAT_PROTOCOL_TOO_OLD,
202 	NVSP_STAT_INVALID_RNDIS_PKT,
203 	NVSP_STAT_BUSY,
204 	NVSP_STAT_PROTOCOL_UNSUPPORTED,
205 	NVSP_STAT_MAX,
206 };
207 
208 struct nvsp_message_header {
209 	u32 msg_type;
210 };
211 
212 /* Init Messages */
213 
214 /*
215  * This message is used by the VSC to initialize the channel after the channels
216  * has been opened. This message should never include anything other then
217  * versioning (i.e. this message will be the same for ever).
218  */
219 struct nvsp_message_init {
220 	u32 min_protocol_ver;
221 	u32 max_protocol_ver;
222 } __packed;
223 
224 /*
225  * This message is used by the VSP to complete the initialization of the
226  * channel. This message should never include anything other then versioning
227  * (i.e. this message will be the same for ever).
228  */
229 struct nvsp_message_init_complete {
230 	u32 negotiated_protocol_ver;
231 	u32 max_mdl_chain_len;
232 	u32 status;
233 } __packed;
234 
235 union nvsp_message_init_uber {
236 	struct nvsp_message_init init;
237 	struct nvsp_message_init_complete init_complete;
238 } __packed;
239 
240 /* Version 1 Messages */
241 
242 /*
243  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
244  * can use this information when handling OIDs sent by the VSC.
245  */
246 struct nvsp_1_message_send_ndis_version {
247 	u32 ndis_major_ver;
248 	u32 ndis_minor_ver;
249 } __packed;
250 
251 /*
252  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
253  * can then use the receive buffer to send data to the VSC.
254  */
255 struct nvsp_1_message_send_receive_buffer {
256 	u32 gpadl_handle;
257 	u16 id;
258 } __packed;
259 
260 struct nvsp_1_receive_buffer_section {
261 	u32 offset;
262 	u32 sub_alloc_size;
263 	u32 num_sub_allocs;
264 	u32 end_offset;
265 } __packed;
266 
267 /*
268  * This message is used by the VSP to acknowledge a receive buffer send by the
269  * VSC. This message must be sent by the VSP before the VSP uses the receive
270  * buffer.
271  */
272 struct nvsp_1_message_send_receive_buffer_complete {
273 	u32 status;
274 	u32 num_sections;
275 
276 	/*
277 	 * The receive buffer is split into two parts, a large suballocation
278 	 * section and a small suballocation section. These sections are then
279 	 * suballocated by a certain size.
280 	 */
281 
282 	/*
283 	 * For example, the following break up of the receive buffer has 6
284 	 * large suballocations and 10 small suballocations.
285 	 */
286 
287 	/*
288 	 * |            Large Section          |  |   Small Section   |
289 	 * ------------------------------------------------------------
290 	 * |     |     |     |     |     |     |  | | | | | | | | | | |
291 	 * |                                      |
292 	 *  LargeOffset                            SmallOffset
293 	 */
294 
295 	struct nvsp_1_receive_buffer_section sections[1];
296 } __packed;
297 
298 /*
299  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
300  * completes this transaction, the vsp should never use the receive buffer
301  * again.
302  */
303 struct nvsp_1_message_revoke_receive_buffer {
304 	u16 id;
305 };
306 
307 /*
308  * This message is used by the VSC to send a send buffer to the VSP. The VSC
309  * can then use the send buffer to send data to the VSP.
310  */
311 struct nvsp_1_message_send_send_buffer {
312 	u32 gpadl_handle;
313 	u16 id;
314 } __packed;
315 
316 /*
317  * This message is used by the VSP to acknowledge a send buffer sent by the
318  * VSC. This message must be sent by the VSP before the VSP uses the sent
319  * buffer.
320  */
321 struct nvsp_1_message_send_send_buffer_complete {
322 	u32 status;
323 
324 	/*
325 	 * The VSC gets to choose the size of the send buffer and the VSP gets
326 	 * to choose the sections size of the buffer.  This was done to enable
327 	 * dynamic reconfigurations when the cost of GPA-direct buffers
328 	 * decreases.
329 	 */
330 	u32 section_size;
331 } __packed;
332 
333 /*
334  * This message is sent by the VSC to revoke the send buffer.  After the VSP
335  * completes this transaction, the vsp should never use the send buffer again.
336  */
337 struct nvsp_1_message_revoke_send_buffer {
338 	u16 id;
339 };
340 
341 /*
342  * This message is used by both the VSP and the VSC to send a RNDIS message to
343  * the opposite channel endpoint.
344  */
345 struct nvsp_1_message_send_rndis_packet {
346 	/*
347 	 * This field is specified by RNIDS. They assume there's two different
348 	 * channels of communication. However, the Network VSP only has one.
349 	 * Therefore, the channel travels with the RNDIS packet.
350 	 */
351 	u32 channel_type;
352 
353 	/*
354 	 * This field is used to send part or all of the data through a send
355 	 * buffer. This values specifies an index into the send buffer. If the
356 	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
357 	 * of the data was sent through other VMBus mechanisms.
358 	 */
359 	u32 send_buf_section_index;
360 	u32 send_buf_section_size;
361 } __packed;
362 
363 /*
364  * This message is used by both the VSP and the VSC to complete a RNDIS message
365  * to the opposite channel endpoint. At this point, the initiator of this
366  * message cannot use any resources associated with the original RNDIS packet.
367  */
368 struct nvsp_1_message_send_rndis_packet_complete {
369 	u32 status;
370 };
371 
372 union nvsp_1_message_uber {
373 	struct nvsp_1_message_send_ndis_version send_ndis_ver;
374 
375 	struct nvsp_1_message_send_receive_buffer send_recv_buf;
376 	struct nvsp_1_message_send_receive_buffer_complete
377 						send_recv_buf_complete;
378 	struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
379 
380 	struct nvsp_1_message_send_send_buffer send_send_buf;
381 	struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
382 	struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
383 
384 	struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
385 	struct nvsp_1_message_send_rndis_packet_complete
386 						send_rndis_pkt_complete;
387 } __packed;
388 
389 
390 /*
391  * Network VSP protocol version 2 messages:
392  */
393 struct nvsp_2_vsc_capability {
394 	union {
395 		u64 data;
396 		struct {
397 			u64 vmq:1;
398 			u64 chimney:1;
399 			u64 sriov:1;
400 			u64 ieee8021q:1;
401 			u64 correlation_id:1;
402 		};
403 	};
404 } __packed;
405 
406 struct nvsp_2_send_ndis_config {
407 	u32 mtu;
408 	u32 reserved;
409 	struct nvsp_2_vsc_capability capability;
410 } __packed;
411 
412 /* Allocate receive buffer */
413 struct nvsp_2_alloc_rxbuf {
414 	/* Allocation ID to match the allocation request and response */
415 	u32 alloc_id;
416 
417 	/* Length of the VM shared memory receive buffer that needs to
418 	 * be allocated
419 	 */
420 	u32 len;
421 } __packed;
422 
423 /* Allocate receive buffer complete */
424 struct nvsp_2_alloc_rxbuf_comp {
425 	/* The NDIS_STATUS code for buffer allocation */
426 	u32 status;
427 
428 	u32 alloc_id;
429 
430 	/* GPADL handle for the allocated receive buffer */
431 	u32 gpadl_handle;
432 
433 	/* Receive buffer ID */
434 	u64 recv_buf_id;
435 } __packed;
436 
437 struct nvsp_2_free_rxbuf {
438 	u64 recv_buf_id;
439 } __packed;
440 
441 union nvsp_2_message_uber {
442 	struct nvsp_2_send_ndis_config send_ndis_config;
443 	struct nvsp_2_alloc_rxbuf alloc_rxbuf;
444 	struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
445 	struct nvsp_2_free_rxbuf free_rxbuf;
446 } __packed;
447 
448 union nvsp_all_messages {
449 	union nvsp_message_init_uber init_msg;
450 	union nvsp_1_message_uber v1_msg;
451 	union nvsp_2_message_uber v2_msg;
452 } __packed;
453 
454 /* ALL Messages */
455 struct nvsp_message {
456 	struct nvsp_message_header hdr;
457 	union nvsp_all_messages msg;
458 } __packed;
459 
460 
461 #define NETVSC_MTU 65536
462 
463 #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*2)	/* 2MB */
464 
465 #define NETVSC_RECEIVE_BUFFER_ID		0xcafe
466 
467 #define NETVSC_RECEIVE_SG_COUNT			1
468 
469 /* Preallocated receive packets */
470 #define NETVSC_RECEIVE_PACKETLIST_COUNT		256
471 
472 #define NETVSC_PACKET_SIZE                      2048
473 
474 /* Per netvsc channel-specific */
475 struct netvsc_device {
476 	struct hv_device *dev;
477 
478 	u32 nvsp_version;
479 
480 	atomic_t num_outstanding_sends;
481 	bool start_remove;
482 	bool destroy;
483 	/*
484 	 * List of free preallocated hv_netvsc_packet to represent receive
485 	 * packet
486 	 */
487 	struct list_head recv_pkt_list;
488 	spinlock_t recv_pkt_list_lock;
489 
490 	/* Receive buffer allocated by us but manages by NetVSP */
491 	void *recv_buf;
492 	u32 recv_buf_size;
493 	u32 recv_buf_gpadl_handle;
494 	u32 recv_section_cnt;
495 	struct nvsp_1_receive_buffer_section *recv_section;
496 
497 	/* Used for NetVSP initialization protocol */
498 	struct completion channel_init_wait;
499 	struct nvsp_message channel_init_pkt;
500 
501 	struct nvsp_message revoke_packet;
502 	/* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
503 
504 	struct net_device *ndev;
505 
506 	/* Holds rndis device info */
507 	void *extension;
508 };
509 
510 /* NdisInitialize message */
511 struct rndis_initialize_request {
512 	u32 req_id;
513 	u32 major_ver;
514 	u32 minor_ver;
515 	u32 max_xfer_size;
516 };
517 
518 /* Response to NdisInitialize */
519 struct rndis_initialize_complete {
520 	u32 req_id;
521 	u32 status;
522 	u32 major_ver;
523 	u32 minor_ver;
524 	u32 dev_flags;
525 	u32 medium;
526 	u32 max_pkt_per_msg;
527 	u32 max_xfer_size;
528 	u32 pkt_alignment_factor;
529 	u32 af_list_offset;
530 	u32 af_list_size;
531 };
532 
533 /* Call manager devices only: Information about an address family */
534 /* supported by the device is appended to the response to NdisInitialize. */
535 struct rndis_co_address_family {
536 	u32 address_family;
537 	u32 major_ver;
538 	u32 minor_ver;
539 };
540 
541 /* NdisHalt message */
542 struct rndis_halt_request {
543 	u32 req_id;
544 };
545 
546 /* NdisQueryRequest message */
547 struct rndis_query_request {
548 	u32 req_id;
549 	u32 oid;
550 	u32 info_buflen;
551 	u32 info_buf_offset;
552 	u32 dev_vc_handle;
553 };
554 
555 /* Response to NdisQueryRequest */
556 struct rndis_query_complete {
557 	u32 req_id;
558 	u32 status;
559 	u32 info_buflen;
560 	u32 info_buf_offset;
561 };
562 
563 /* NdisSetRequest message */
564 struct rndis_set_request {
565 	u32 req_id;
566 	u32 oid;
567 	u32 info_buflen;
568 	u32 info_buf_offset;
569 	u32 dev_vc_handle;
570 };
571 
572 /* Response to NdisSetRequest */
573 struct rndis_set_complete {
574 	u32 req_id;
575 	u32 status;
576 };
577 
578 /* NdisReset message */
579 struct rndis_reset_request {
580 	u32 reserved;
581 };
582 
583 /* Response to NdisReset */
584 struct rndis_reset_complete {
585 	u32 status;
586 	u32 addressing_reset;
587 };
588 
589 /* NdisMIndicateStatus message */
590 struct rndis_indicate_status {
591 	u32 status;
592 	u32 status_buflen;
593 	u32 status_buf_offset;
594 };
595 
596 /* Diagnostic information passed as the status buffer in */
597 /* struct rndis_indicate_status messages signifying error conditions. */
598 struct rndis_diagnostic_info {
599 	u32 diag_status;
600 	u32 error_offset;
601 };
602 
603 /* NdisKeepAlive message */
604 struct rndis_keepalive_request {
605 	u32 req_id;
606 };
607 
608 /* Response to NdisKeepAlive */
609 struct rndis_keepalive_complete {
610 	u32 req_id;
611 	u32 status;
612 };
613 
614 /*
615  * Data message. All Offset fields contain byte offsets from the beginning of
616  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
617  * to 0 for connectionless data, otherwise it contains the VC handle.
618  */
619 struct rndis_packet {
620 	u32 data_offset;
621 	u32 data_len;
622 	u32 oob_data_offset;
623 	u32 oob_data_len;
624 	u32 num_oob_data_elements;
625 	u32 per_pkt_info_offset;
626 	u32 per_pkt_info_len;
627 	u32 vc_handle;
628 	u32 reserved;
629 };
630 
631 /* Optional Out of Band data associated with a Data message. */
632 struct rndis_oobd {
633 	u32 size;
634 	u32 type;
635 	u32 class_info_offset;
636 };
637 
638 /* Packet extension field contents associated with a Data message. */
639 struct rndis_per_packet_info {
640 	u32 size;
641 	u32 type;
642 	u32 ppi_offset;
643 };
644 
645 enum ndis_per_pkt_info_type {
646 	TCPIP_CHKSUM_PKTINFO,
647 	IPSEC_PKTINFO,
648 	TCP_LARGESEND_PKTINFO,
649 	CLASSIFICATION_HANDLE_PKTINFO,
650 	NDIS_RESERVED,
651 	SG_LIST_PKTINFO,
652 	IEEE_8021Q_INFO,
653 	ORIGINAL_PKTINFO,
654 	PACKET_CANCEL_ID,
655 	ORIGINAL_NET_BUFLIST,
656 	CACHED_NET_BUFLIST,
657 	SHORT_PKT_PADINFO,
658 	MAX_PER_PKT_INFO
659 };
660 
661 struct ndis_pkt_8021q_info {
662 	union {
663 		struct {
664 			u32 pri:3; /* User Priority */
665 			u32 cfi:1; /* Canonical Format ID */
666 			u32 vlanid:12; /* VLAN ID */
667 			u32 reserved:16;
668 		};
669 		u32 value;
670 	};
671 };
672 
673 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
674 		sizeof(struct ndis_pkt_8021q_info))
675 
676 /* Format of Information buffer passed in a SetRequest for the OID */
677 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
678 struct rndis_config_parameter_info {
679 	u32 parameter_name_offset;
680 	u32 parameter_name_length;
681 	u32 parameter_type;
682 	u32 parameter_value_offset;
683 	u32 parameter_value_length;
684 };
685 
686 /* Values for ParameterType in struct rndis_config_parameter_info */
687 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
688 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
689 
690 /* CONDIS Miniport messages for connection oriented devices */
691 /* that do not implement a call manager. */
692 
693 /* CoNdisMiniportCreateVc message */
694 struct rcondis_mp_create_vc {
695 	u32 req_id;
696 	u32 ndis_vc_handle;
697 };
698 
699 /* Response to CoNdisMiniportCreateVc */
700 struct rcondis_mp_create_vc_complete {
701 	u32 req_id;
702 	u32 dev_vc_handle;
703 	u32 status;
704 };
705 
706 /* CoNdisMiniportDeleteVc message */
707 struct rcondis_mp_delete_vc {
708 	u32 req_id;
709 	u32 dev_vc_handle;
710 };
711 
712 /* Response to CoNdisMiniportDeleteVc */
713 struct rcondis_mp_delete_vc_complete {
714 	u32 req_id;
715 	u32 status;
716 };
717 
718 /* CoNdisMiniportQueryRequest message */
719 struct rcondis_mp_query_request {
720 	u32 req_id;
721 	u32 request_type;
722 	u32 oid;
723 	u32 dev_vc_handle;
724 	u32 info_buflen;
725 	u32 info_buf_offset;
726 };
727 
728 /* CoNdisMiniportSetRequest message */
729 struct rcondis_mp_set_request {
730 	u32 req_id;
731 	u32 request_type;
732 	u32 oid;
733 	u32 dev_vc_handle;
734 	u32 info_buflen;
735 	u32 info_buf_offset;
736 };
737 
738 /* CoNdisIndicateStatus message */
739 struct rcondis_indicate_status {
740 	u32 ndis_vc_handle;
741 	u32 status;
742 	u32 status_buflen;
743 	u32 status_buf_offset;
744 };
745 
746 /* CONDIS Call/VC parameters */
747 struct rcondis_specific_parameters {
748 	u32 parameter_type;
749 	u32 parameter_length;
750 	u32 parameter_lffset;
751 };
752 
753 struct rcondis_media_parameters {
754 	u32 flags;
755 	u32 reserved1;
756 	u32 reserved2;
757 	struct rcondis_specific_parameters media_specific;
758 };
759 
760 struct rndis_flowspec {
761 	u32 token_rate;
762 	u32 token_bucket_size;
763 	u32 peak_bandwidth;
764 	u32 latency;
765 	u32 delay_variation;
766 	u32 service_type;
767 	u32 max_sdu_size;
768 	u32 minimum_policed_size;
769 };
770 
771 struct rcondis_call_manager_parameters {
772 	struct rndis_flowspec transmit;
773 	struct rndis_flowspec receive;
774 	struct rcondis_specific_parameters call_mgr_specific;
775 };
776 
777 /* CoNdisMiniportActivateVc message */
778 struct rcondis_mp_activate_vc_request {
779 	u32 req_id;
780 	u32 flags;
781 	u32 dev_vc_handle;
782 	u32 media_params_offset;
783 	u32 media_params_length;
784 	u32 call_mgr_params_offset;
785 	u32 call_mgr_params_length;
786 };
787 
788 /* Response to CoNdisMiniportActivateVc */
789 struct rcondis_mp_activate_vc_complete {
790 	u32 req_id;
791 	u32 status;
792 };
793 
794 /* CoNdisMiniportDeactivateVc message */
795 struct rcondis_mp_deactivate_vc_request {
796 	u32 req_id;
797 	u32 flags;
798 	u32 dev_vc_handle;
799 };
800 
801 /* Response to CoNdisMiniportDeactivateVc */
802 struct rcondis_mp_deactivate_vc_complete {
803 	u32 req_id;
804 	u32 status;
805 };
806 
807 
808 /* union with all of the RNDIS messages */
809 union rndis_message_container {
810 	struct rndis_packet pkt;
811 	struct rndis_initialize_request init_req;
812 	struct rndis_halt_request halt_req;
813 	struct rndis_query_request query_req;
814 	struct rndis_set_request set_req;
815 	struct rndis_reset_request reset_req;
816 	struct rndis_keepalive_request keep_alive_req;
817 	struct rndis_indicate_status indicate_status;
818 	struct rndis_initialize_complete init_complete;
819 	struct rndis_query_complete query_complete;
820 	struct rndis_set_complete set_complete;
821 	struct rndis_reset_complete reset_complete;
822 	struct rndis_keepalive_complete keep_alive_complete;
823 	struct rcondis_mp_create_vc co_miniport_create_vc;
824 	struct rcondis_mp_delete_vc co_miniport_delete_vc;
825 	struct rcondis_indicate_status co_indicate_status;
826 	struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
827 	struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
828 	struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
829 	struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
830 	struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
831 	struct rcondis_mp_deactivate_vc_complete
832 		co_miniport_deactivate_vc_complete;
833 };
834 
835 /* Remote NDIS message format */
836 struct rndis_message {
837 	u32 ndis_msg_type;
838 
839 	/* Total length of this message, from the beginning */
840 	/* of the sruct rndis_message, in bytes. */
841 	u32 msg_len;
842 
843 	/* Actual message */
844 	union rndis_message_container msg;
845 };
846 
847 
848 struct rndis_filter_packet {
849 	void *completion_ctx;
850 	void (*completion)(void *context);
851 	struct rndis_message msg;
852 };
853 
854 /* Handy macros */
855 
856 /* get the size of an RNDIS message. Pass in the message type, */
857 /* struct rndis_set_request, struct rndis_packet for example */
858 #define RNDIS_MESSAGE_SIZE(msg)				\
859 	(sizeof(msg) + (sizeof(struct rndis_message) -	\
860 	 sizeof(union rndis_message_container)))
861 
862 /* get pointer to info buffer with message pointer */
863 #define MESSAGE_TO_INFO_BUFFER(msg)				\
864 	(((unsigned char *)(msg)) + msg->info_buf_offset)
865 
866 /* get pointer to status buffer with message pointer */
867 #define MESSAGE_TO_STATUS_BUFFER(msg)			\
868 	(((unsigned char *)(msg)) + msg->status_buf_offset)
869 
870 /* get pointer to OOBD buffer with message pointer */
871 #define MESSAGE_TO_OOBD_BUFFER(msg)				\
872 	(((unsigned char *)(msg)) + msg->oob_data_offset)
873 
874 /* get pointer to data buffer with message pointer */
875 #define MESSAGE_TO_DATA_BUFFER(msg)				\
876 	(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
877 
878 /* get pointer to contained message from NDIS_MESSAGE pointer */
879 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)		\
880 	((void *) &rndis_msg->msg)
881 
882 /* get pointer to contained message from NDIS_MESSAGE pointer */
883 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg)	\
884 	((void *) rndis_msg)
885 
886 
887 #define __struct_bcount(x)
888 
889 
890 
891 #define RNDIS_HEADER_SIZE	(sizeof(struct rndis_message) - \
892 				 sizeof(union rndis_message_container))
893 
894 #define NDIS_PACKET_TYPE_DIRECTED	0x00000001
895 #define NDIS_PACKET_TYPE_MULTICAST	0x00000002
896 #define NDIS_PACKET_TYPE_ALL_MULTICAST	0x00000004
897 #define NDIS_PACKET_TYPE_BROADCAST	0x00000008
898 #define NDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
899 #define NDIS_PACKET_TYPE_PROMISCUOUS	0x00000020
900 #define NDIS_PACKET_TYPE_SMT		0x00000040
901 #define NDIS_PACKET_TYPE_ALL_LOCAL	0x00000080
902 #define NDIS_PACKET_TYPE_GROUP		0x00000100
903 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00000200
904 #define NDIS_PACKET_TYPE_FUNCTIONAL	0x00000400
905 #define NDIS_PACKET_TYPE_MAC_FRAME	0x00000800
906 
907 
908 
909 #endif /* _HYPERV_NET_H */
910