xref: /openbmc/linux/drivers/net/hyperv/hyperv_net.h (revision 31b90347)
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 	u32 status;
39 
40 	/* # of netvsc packets this xfer packet contains */
41 	u32 count;
42 };
43 
44 /*
45  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
46  * within the RNDIS
47  */
48 struct hv_netvsc_packet {
49 	/* Bookkeeping stuff */
50 	struct list_head list_ent;
51 	u32 status;
52 
53 	struct hv_device *device;
54 	bool is_data_pkt;
55 	u16 vlan_tci;
56 
57 	/*
58 	 * Valid only for receives when we break a xfer page packet
59 	 * into multiple netvsc packets
60 	 */
61 	struct xferpage_packet *xfer_page_pkt;
62 
63 	union {
64 		struct {
65 			u64 recv_completion_tid;
66 			void *recv_completion_ctx;
67 			void (*recv_completion)(void *context);
68 		} recv;
69 		struct {
70 			u64 send_completion_tid;
71 			void *send_completion_ctx;
72 			void (*send_completion)(void *context);
73 		} send;
74 	} completion;
75 
76 	/* This points to the memory after page_buf */
77 	void *extension;
78 
79 	u32 total_data_buflen;
80 	/* Points to the send/receive buffer where the ethernet frame is */
81 	void *data;
82 	u32 page_buf_cnt;
83 	struct hv_page_buffer page_buf[0];
84 };
85 
86 struct netvsc_device_info {
87 	unsigned char mac_adr[ETH_ALEN];
88 	bool link_state;	/* 0 - link up, 1 - link down */
89 	int  ring_size;
90 };
91 
92 enum rndis_device_state {
93 	RNDIS_DEV_UNINITIALIZED = 0,
94 	RNDIS_DEV_INITIALIZING,
95 	RNDIS_DEV_INITIALIZED,
96 	RNDIS_DEV_DATAINITIALIZED,
97 };
98 
99 struct rndis_device {
100 	struct netvsc_device *net_dev;
101 
102 	enum rndis_device_state state;
103 	bool link_state;
104 	atomic_t new_req_id;
105 
106 	spinlock_t request_lock;
107 	struct list_head req_list;
108 
109 	unsigned char hw_mac_adr[ETH_ALEN];
110 };
111 
112 
113 /* Interface */
114 int netvsc_device_add(struct hv_device *device, void *additional_info);
115 int netvsc_device_remove(struct hv_device *device);
116 int netvsc_send(struct hv_device *device,
117 		struct hv_netvsc_packet *packet);
118 void netvsc_linkstatus_callback(struct hv_device *device_obj,
119 				unsigned int status);
120 int netvsc_recv_callback(struct hv_device *device_obj,
121 			struct hv_netvsc_packet *packet);
122 int rndis_filter_open(struct hv_device *dev);
123 int rndis_filter_close(struct hv_device *dev);
124 int rndis_filter_device_add(struct hv_device *dev,
125 			void *additional_info);
126 void rndis_filter_device_remove(struct hv_device *dev);
127 int rndis_filter_receive(struct hv_device *dev,
128 			struct hv_netvsc_packet *pkt);
129 
130 
131 
132 int rndis_filter_send(struct hv_device *dev,
133 			struct hv_netvsc_packet *pkt);
134 
135 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
136 int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
137 
138 
139 #define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
140 
141 #define NVSP_PROTOCOL_VERSION_1		2
142 #define NVSP_PROTOCOL_VERSION_2		0x30002
143 
144 enum {
145 	NVSP_MSG_TYPE_NONE = 0,
146 
147 	/* Init Messages */
148 	NVSP_MSG_TYPE_INIT			= 1,
149 	NVSP_MSG_TYPE_INIT_COMPLETE		= 2,
150 
151 	NVSP_VERSION_MSG_START			= 100,
152 
153 	/* Version 1 Messages */
154 	NVSP_MSG1_TYPE_SEND_NDIS_VER		= NVSP_VERSION_MSG_START,
155 
156 	NVSP_MSG1_TYPE_SEND_RECV_BUF,
157 	NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
158 	NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
159 
160 	NVSP_MSG1_TYPE_SEND_SEND_BUF,
161 	NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
162 	NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
163 
164 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
165 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
166 
167 	/* Version 2 messages */
168 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
169 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
170 	NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
171 
172 	NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
173 
174 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
175 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
176 
177 	NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
178 
179 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
180 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
181 
182 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
183 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
184 
185 	NVSP_MSG2_TYPE_ALLOC_RXBUF,
186 	NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
187 
188 	NVSP_MSG2_TYPE_FREE_RXBUF,
189 
190 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
191 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
192 
193 	NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
194 
195 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
196 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
197 };
198 
199 enum {
200 	NVSP_STAT_NONE = 0,
201 	NVSP_STAT_SUCCESS,
202 	NVSP_STAT_FAIL,
203 	NVSP_STAT_PROTOCOL_TOO_NEW,
204 	NVSP_STAT_PROTOCOL_TOO_OLD,
205 	NVSP_STAT_INVALID_RNDIS_PKT,
206 	NVSP_STAT_BUSY,
207 	NVSP_STAT_PROTOCOL_UNSUPPORTED,
208 	NVSP_STAT_MAX,
209 };
210 
211 struct nvsp_message_header {
212 	u32 msg_type;
213 };
214 
215 /* Init Messages */
216 
217 /*
218  * This message is used by the VSC to initialize the channel after the channels
219  * has been opened. This message should never include anything other then
220  * versioning (i.e. this message will be the same for ever).
221  */
222 struct nvsp_message_init {
223 	u32 min_protocol_ver;
224 	u32 max_protocol_ver;
225 } __packed;
226 
227 /*
228  * This message is used by the VSP to complete the initialization of the
229  * channel. This message should never include anything other then versioning
230  * (i.e. this message will be the same for ever).
231  */
232 struct nvsp_message_init_complete {
233 	u32 negotiated_protocol_ver;
234 	u32 max_mdl_chain_len;
235 	u32 status;
236 } __packed;
237 
238 union nvsp_message_init_uber {
239 	struct nvsp_message_init init;
240 	struct nvsp_message_init_complete init_complete;
241 } __packed;
242 
243 /* Version 1 Messages */
244 
245 /*
246  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
247  * can use this information when handling OIDs sent by the VSC.
248  */
249 struct nvsp_1_message_send_ndis_version {
250 	u32 ndis_major_ver;
251 	u32 ndis_minor_ver;
252 } __packed;
253 
254 /*
255  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
256  * can then use the receive buffer to send data to the VSC.
257  */
258 struct nvsp_1_message_send_receive_buffer {
259 	u32 gpadl_handle;
260 	u16 id;
261 } __packed;
262 
263 struct nvsp_1_receive_buffer_section {
264 	u32 offset;
265 	u32 sub_alloc_size;
266 	u32 num_sub_allocs;
267 	u32 end_offset;
268 } __packed;
269 
270 /*
271  * This message is used by the VSP to acknowledge a receive buffer send by the
272  * VSC. This message must be sent by the VSP before the VSP uses the receive
273  * buffer.
274  */
275 struct nvsp_1_message_send_receive_buffer_complete {
276 	u32 status;
277 	u32 num_sections;
278 
279 	/*
280 	 * The receive buffer is split into two parts, a large suballocation
281 	 * section and a small suballocation section. These sections are then
282 	 * suballocated by a certain size.
283 	 */
284 
285 	/*
286 	 * For example, the following break up of the receive buffer has 6
287 	 * large suballocations and 10 small suballocations.
288 	 */
289 
290 	/*
291 	 * |            Large Section          |  |   Small Section   |
292 	 * ------------------------------------------------------------
293 	 * |     |     |     |     |     |     |  | | | | | | | | | | |
294 	 * |                                      |
295 	 *  LargeOffset                            SmallOffset
296 	 */
297 
298 	struct nvsp_1_receive_buffer_section sections[1];
299 } __packed;
300 
301 /*
302  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
303  * completes this transaction, the vsp should never use the receive buffer
304  * again.
305  */
306 struct nvsp_1_message_revoke_receive_buffer {
307 	u16 id;
308 };
309 
310 /*
311  * This message is used by the VSC to send a send buffer to the VSP. The VSC
312  * can then use the send buffer to send data to the VSP.
313  */
314 struct nvsp_1_message_send_send_buffer {
315 	u32 gpadl_handle;
316 	u16 id;
317 } __packed;
318 
319 /*
320  * This message is used by the VSP to acknowledge a send buffer sent by the
321  * VSC. This message must be sent by the VSP before the VSP uses the sent
322  * buffer.
323  */
324 struct nvsp_1_message_send_send_buffer_complete {
325 	u32 status;
326 
327 	/*
328 	 * The VSC gets to choose the size of the send buffer and the VSP gets
329 	 * to choose the sections size of the buffer.  This was done to enable
330 	 * dynamic reconfigurations when the cost of GPA-direct buffers
331 	 * decreases.
332 	 */
333 	u32 section_size;
334 } __packed;
335 
336 /*
337  * This message is sent by the VSC to revoke the send buffer.  After the VSP
338  * completes this transaction, the vsp should never use the send buffer again.
339  */
340 struct nvsp_1_message_revoke_send_buffer {
341 	u16 id;
342 };
343 
344 /*
345  * This message is used by both the VSP and the VSC to send a RNDIS message to
346  * the opposite channel endpoint.
347  */
348 struct nvsp_1_message_send_rndis_packet {
349 	/*
350 	 * This field is specified by RNIDS. They assume there's two different
351 	 * channels of communication. However, the Network VSP only has one.
352 	 * Therefore, the channel travels with the RNDIS packet.
353 	 */
354 	u32 channel_type;
355 
356 	/*
357 	 * This field is used to send part or all of the data through a send
358 	 * buffer. This values specifies an index into the send buffer. If the
359 	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
360 	 * of the data was sent through other VMBus mechanisms.
361 	 */
362 	u32 send_buf_section_index;
363 	u32 send_buf_section_size;
364 } __packed;
365 
366 /*
367  * This message is used by both the VSP and the VSC to complete a RNDIS message
368  * to the opposite channel endpoint. At this point, the initiator of this
369  * message cannot use any resources associated with the original RNDIS packet.
370  */
371 struct nvsp_1_message_send_rndis_packet_complete {
372 	u32 status;
373 };
374 
375 union nvsp_1_message_uber {
376 	struct nvsp_1_message_send_ndis_version send_ndis_ver;
377 
378 	struct nvsp_1_message_send_receive_buffer send_recv_buf;
379 	struct nvsp_1_message_send_receive_buffer_complete
380 						send_recv_buf_complete;
381 	struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
382 
383 	struct nvsp_1_message_send_send_buffer send_send_buf;
384 	struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
385 	struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
386 
387 	struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
388 	struct nvsp_1_message_send_rndis_packet_complete
389 						send_rndis_pkt_complete;
390 } __packed;
391 
392 
393 /*
394  * Network VSP protocol version 2 messages:
395  */
396 struct nvsp_2_vsc_capability {
397 	union {
398 		u64 data;
399 		struct {
400 			u64 vmq:1;
401 			u64 chimney:1;
402 			u64 sriov:1;
403 			u64 ieee8021q:1;
404 			u64 correlation_id:1;
405 		};
406 	};
407 } __packed;
408 
409 struct nvsp_2_send_ndis_config {
410 	u32 mtu;
411 	u32 reserved;
412 	struct nvsp_2_vsc_capability capability;
413 } __packed;
414 
415 /* Allocate receive buffer */
416 struct nvsp_2_alloc_rxbuf {
417 	/* Allocation ID to match the allocation request and response */
418 	u32 alloc_id;
419 
420 	/* Length of the VM shared memory receive buffer that needs to
421 	 * be allocated
422 	 */
423 	u32 len;
424 } __packed;
425 
426 /* Allocate receive buffer complete */
427 struct nvsp_2_alloc_rxbuf_comp {
428 	/* The NDIS_STATUS code for buffer allocation */
429 	u32 status;
430 
431 	u32 alloc_id;
432 
433 	/* GPADL handle for the allocated receive buffer */
434 	u32 gpadl_handle;
435 
436 	/* Receive buffer ID */
437 	u64 recv_buf_id;
438 } __packed;
439 
440 struct nvsp_2_free_rxbuf {
441 	u64 recv_buf_id;
442 } __packed;
443 
444 union nvsp_2_message_uber {
445 	struct nvsp_2_send_ndis_config send_ndis_config;
446 	struct nvsp_2_alloc_rxbuf alloc_rxbuf;
447 	struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
448 	struct nvsp_2_free_rxbuf free_rxbuf;
449 } __packed;
450 
451 union nvsp_all_messages {
452 	union nvsp_message_init_uber init_msg;
453 	union nvsp_1_message_uber v1_msg;
454 	union nvsp_2_message_uber v2_msg;
455 } __packed;
456 
457 /* ALL Messages */
458 struct nvsp_message {
459 	struct nvsp_message_header hdr;
460 	union nvsp_all_messages msg;
461 } __packed;
462 
463 
464 #define NETVSC_MTU 65536
465 
466 #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*2)	/* 2MB */
467 
468 #define NETVSC_RECEIVE_BUFFER_ID		0xcafe
469 
470 /* Preallocated receive packets */
471 #define NETVSC_RECEIVE_PACKETLIST_COUNT		256
472 
473 #define NETVSC_PACKET_SIZE                      2048
474 
475 /* Per netvsc channel-specific */
476 struct netvsc_device {
477 	struct hv_device *dev;
478 
479 	u32 nvsp_version;
480 
481 	atomic_t num_outstanding_sends;
482 	wait_queue_head_t wait_drain;
483 	bool start_remove;
484 	bool destroy;
485 	/*
486 	 * List of free preallocated hv_netvsc_packet to represent receive
487 	 * packet
488 	 */
489 	struct list_head recv_pkt_list;
490 	spinlock_t recv_pkt_list_lock;
491 
492 	/* Receive buffer allocated by us but manages by NetVSP */
493 	void *recv_buf;
494 	u32 recv_buf_size;
495 	u32 recv_buf_gpadl_handle;
496 	u32 recv_section_cnt;
497 	struct nvsp_1_receive_buffer_section *recv_section;
498 
499 	/* Used for NetVSP initialization protocol */
500 	struct completion channel_init_wait;
501 	struct nvsp_message channel_init_pkt;
502 
503 	struct nvsp_message revoke_packet;
504 	/* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
505 
506 	struct net_device *ndev;
507 
508 	/* Holds rndis device info */
509 	void *extension;
510 };
511 
512 /* NdisInitialize message */
513 struct rndis_initialize_request {
514 	u32 req_id;
515 	u32 major_ver;
516 	u32 minor_ver;
517 	u32 max_xfer_size;
518 };
519 
520 /* Response to NdisInitialize */
521 struct rndis_initialize_complete {
522 	u32 req_id;
523 	u32 status;
524 	u32 major_ver;
525 	u32 minor_ver;
526 	u32 dev_flags;
527 	u32 medium;
528 	u32 max_pkt_per_msg;
529 	u32 max_xfer_size;
530 	u32 pkt_alignment_factor;
531 	u32 af_list_offset;
532 	u32 af_list_size;
533 };
534 
535 /* Call manager devices only: Information about an address family */
536 /* supported by the device is appended to the response to NdisInitialize. */
537 struct rndis_co_address_family {
538 	u32 address_family;
539 	u32 major_ver;
540 	u32 minor_ver;
541 };
542 
543 /* NdisHalt message */
544 struct rndis_halt_request {
545 	u32 req_id;
546 };
547 
548 /* NdisQueryRequest message */
549 struct rndis_query_request {
550 	u32 req_id;
551 	u32 oid;
552 	u32 info_buflen;
553 	u32 info_buf_offset;
554 	u32 dev_vc_handle;
555 };
556 
557 /* Response to NdisQueryRequest */
558 struct rndis_query_complete {
559 	u32 req_id;
560 	u32 status;
561 	u32 info_buflen;
562 	u32 info_buf_offset;
563 };
564 
565 /* NdisSetRequest message */
566 struct rndis_set_request {
567 	u32 req_id;
568 	u32 oid;
569 	u32 info_buflen;
570 	u32 info_buf_offset;
571 	u32 dev_vc_handle;
572 };
573 
574 /* Response to NdisSetRequest */
575 struct rndis_set_complete {
576 	u32 req_id;
577 	u32 status;
578 };
579 
580 /* NdisReset message */
581 struct rndis_reset_request {
582 	u32 reserved;
583 };
584 
585 /* Response to NdisReset */
586 struct rndis_reset_complete {
587 	u32 status;
588 	u32 addressing_reset;
589 };
590 
591 /* NdisMIndicateStatus message */
592 struct rndis_indicate_status {
593 	u32 status;
594 	u32 status_buflen;
595 	u32 status_buf_offset;
596 };
597 
598 /* Diagnostic information passed as the status buffer in */
599 /* struct rndis_indicate_status messages signifying error conditions. */
600 struct rndis_diagnostic_info {
601 	u32 diag_status;
602 	u32 error_offset;
603 };
604 
605 /* NdisKeepAlive message */
606 struct rndis_keepalive_request {
607 	u32 req_id;
608 };
609 
610 /* Response to NdisKeepAlive */
611 struct rndis_keepalive_complete {
612 	u32 req_id;
613 	u32 status;
614 };
615 
616 /*
617  * Data message. All Offset fields contain byte offsets from the beginning of
618  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
619  * to 0 for connectionless data, otherwise it contains the VC handle.
620  */
621 struct rndis_packet {
622 	u32 data_offset;
623 	u32 data_len;
624 	u32 oob_data_offset;
625 	u32 oob_data_len;
626 	u32 num_oob_data_elements;
627 	u32 per_pkt_info_offset;
628 	u32 per_pkt_info_len;
629 	u32 vc_handle;
630 	u32 reserved;
631 };
632 
633 /* Optional Out of Band data associated with a Data message. */
634 struct rndis_oobd {
635 	u32 size;
636 	u32 type;
637 	u32 class_info_offset;
638 };
639 
640 /* Packet extension field contents associated with a Data message. */
641 struct rndis_per_packet_info {
642 	u32 size;
643 	u32 type;
644 	u32 ppi_offset;
645 };
646 
647 enum ndis_per_pkt_info_type {
648 	TCPIP_CHKSUM_PKTINFO,
649 	IPSEC_PKTINFO,
650 	TCP_LARGESEND_PKTINFO,
651 	CLASSIFICATION_HANDLE_PKTINFO,
652 	NDIS_RESERVED,
653 	SG_LIST_PKTINFO,
654 	IEEE_8021Q_INFO,
655 	ORIGINAL_PKTINFO,
656 	PACKET_CANCEL_ID,
657 	ORIGINAL_NET_BUFLIST,
658 	CACHED_NET_BUFLIST,
659 	SHORT_PKT_PADINFO,
660 	MAX_PER_PKT_INFO
661 };
662 
663 struct ndis_pkt_8021q_info {
664 	union {
665 		struct {
666 			u32 pri:3; /* User Priority */
667 			u32 cfi:1; /* Canonical Format ID */
668 			u32 vlanid:12; /* VLAN ID */
669 			u32 reserved:16;
670 		};
671 		u32 value;
672 	};
673 };
674 
675 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
676 		sizeof(struct ndis_pkt_8021q_info))
677 
678 /* Format of Information buffer passed in a SetRequest for the OID */
679 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
680 struct rndis_config_parameter_info {
681 	u32 parameter_name_offset;
682 	u32 parameter_name_length;
683 	u32 parameter_type;
684 	u32 parameter_value_offset;
685 	u32 parameter_value_length;
686 };
687 
688 /* Values for ParameterType in struct rndis_config_parameter_info */
689 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
690 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
691 
692 /* CONDIS Miniport messages for connection oriented devices */
693 /* that do not implement a call manager. */
694 
695 /* CoNdisMiniportCreateVc message */
696 struct rcondis_mp_create_vc {
697 	u32 req_id;
698 	u32 ndis_vc_handle;
699 };
700 
701 /* Response to CoNdisMiniportCreateVc */
702 struct rcondis_mp_create_vc_complete {
703 	u32 req_id;
704 	u32 dev_vc_handle;
705 	u32 status;
706 };
707 
708 /* CoNdisMiniportDeleteVc message */
709 struct rcondis_mp_delete_vc {
710 	u32 req_id;
711 	u32 dev_vc_handle;
712 };
713 
714 /* Response to CoNdisMiniportDeleteVc */
715 struct rcondis_mp_delete_vc_complete {
716 	u32 req_id;
717 	u32 status;
718 };
719 
720 /* CoNdisMiniportQueryRequest message */
721 struct rcondis_mp_query_request {
722 	u32 req_id;
723 	u32 request_type;
724 	u32 oid;
725 	u32 dev_vc_handle;
726 	u32 info_buflen;
727 	u32 info_buf_offset;
728 };
729 
730 /* CoNdisMiniportSetRequest message */
731 struct rcondis_mp_set_request {
732 	u32 req_id;
733 	u32 request_type;
734 	u32 oid;
735 	u32 dev_vc_handle;
736 	u32 info_buflen;
737 	u32 info_buf_offset;
738 };
739 
740 /* CoNdisIndicateStatus message */
741 struct rcondis_indicate_status {
742 	u32 ndis_vc_handle;
743 	u32 status;
744 	u32 status_buflen;
745 	u32 status_buf_offset;
746 };
747 
748 /* CONDIS Call/VC parameters */
749 struct rcondis_specific_parameters {
750 	u32 parameter_type;
751 	u32 parameter_length;
752 	u32 parameter_lffset;
753 };
754 
755 struct rcondis_media_parameters {
756 	u32 flags;
757 	u32 reserved1;
758 	u32 reserved2;
759 	struct rcondis_specific_parameters media_specific;
760 };
761 
762 struct rndis_flowspec {
763 	u32 token_rate;
764 	u32 token_bucket_size;
765 	u32 peak_bandwidth;
766 	u32 latency;
767 	u32 delay_variation;
768 	u32 service_type;
769 	u32 max_sdu_size;
770 	u32 minimum_policed_size;
771 };
772 
773 struct rcondis_call_manager_parameters {
774 	struct rndis_flowspec transmit;
775 	struct rndis_flowspec receive;
776 	struct rcondis_specific_parameters call_mgr_specific;
777 };
778 
779 /* CoNdisMiniportActivateVc message */
780 struct rcondis_mp_activate_vc_request {
781 	u32 req_id;
782 	u32 flags;
783 	u32 dev_vc_handle;
784 	u32 media_params_offset;
785 	u32 media_params_length;
786 	u32 call_mgr_params_offset;
787 	u32 call_mgr_params_length;
788 };
789 
790 /* Response to CoNdisMiniportActivateVc */
791 struct rcondis_mp_activate_vc_complete {
792 	u32 req_id;
793 	u32 status;
794 };
795 
796 /* CoNdisMiniportDeactivateVc message */
797 struct rcondis_mp_deactivate_vc_request {
798 	u32 req_id;
799 	u32 flags;
800 	u32 dev_vc_handle;
801 };
802 
803 /* Response to CoNdisMiniportDeactivateVc */
804 struct rcondis_mp_deactivate_vc_complete {
805 	u32 req_id;
806 	u32 status;
807 };
808 
809 
810 /* union with all of the RNDIS messages */
811 union rndis_message_container {
812 	struct rndis_packet pkt;
813 	struct rndis_initialize_request init_req;
814 	struct rndis_halt_request halt_req;
815 	struct rndis_query_request query_req;
816 	struct rndis_set_request set_req;
817 	struct rndis_reset_request reset_req;
818 	struct rndis_keepalive_request keep_alive_req;
819 	struct rndis_indicate_status indicate_status;
820 	struct rndis_initialize_complete init_complete;
821 	struct rndis_query_complete query_complete;
822 	struct rndis_set_complete set_complete;
823 	struct rndis_reset_complete reset_complete;
824 	struct rndis_keepalive_complete keep_alive_complete;
825 	struct rcondis_mp_create_vc co_miniport_create_vc;
826 	struct rcondis_mp_delete_vc co_miniport_delete_vc;
827 	struct rcondis_indicate_status co_indicate_status;
828 	struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
829 	struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
830 	struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
831 	struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
832 	struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
833 	struct rcondis_mp_deactivate_vc_complete
834 		co_miniport_deactivate_vc_complete;
835 };
836 
837 /* Remote NDIS message format */
838 struct rndis_message {
839 	u32 ndis_msg_type;
840 
841 	/* Total length of this message, from the beginning */
842 	/* of the sruct rndis_message, in bytes. */
843 	u32 msg_len;
844 
845 	/* Actual message */
846 	union rndis_message_container msg;
847 };
848 
849 
850 struct rndis_filter_packet {
851 	void *completion_ctx;
852 	void (*completion)(void *context);
853 	struct rndis_message msg;
854 };
855 
856 /* Handy macros */
857 
858 /* get the size of an RNDIS message. Pass in the message type, */
859 /* struct rndis_set_request, struct rndis_packet for example */
860 #define RNDIS_MESSAGE_SIZE(msg)				\
861 	(sizeof(msg) + (sizeof(struct rndis_message) -	\
862 	 sizeof(union rndis_message_container)))
863 
864 /* get pointer to info buffer with message pointer */
865 #define MESSAGE_TO_INFO_BUFFER(msg)				\
866 	(((unsigned char *)(msg)) + msg->info_buf_offset)
867 
868 /* get pointer to status buffer with message pointer */
869 #define MESSAGE_TO_STATUS_BUFFER(msg)			\
870 	(((unsigned char *)(msg)) + msg->status_buf_offset)
871 
872 /* get pointer to OOBD buffer with message pointer */
873 #define MESSAGE_TO_OOBD_BUFFER(msg)				\
874 	(((unsigned char *)(msg)) + msg->oob_data_offset)
875 
876 /* get pointer to data buffer with message pointer */
877 #define MESSAGE_TO_DATA_BUFFER(msg)				\
878 	(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
879 
880 /* get pointer to contained message from NDIS_MESSAGE pointer */
881 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)		\
882 	((void *) &rndis_msg->msg)
883 
884 /* get pointer to contained message from NDIS_MESSAGE pointer */
885 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg)	\
886 	((void *) rndis_msg)
887 
888 
889 #define __struct_bcount(x)
890 
891 
892 
893 #define RNDIS_HEADER_SIZE	(sizeof(struct rndis_message) - \
894 				 sizeof(union rndis_message_container))
895 
896 #define NDIS_PACKET_TYPE_DIRECTED	0x00000001
897 #define NDIS_PACKET_TYPE_MULTICAST	0x00000002
898 #define NDIS_PACKET_TYPE_ALL_MULTICAST	0x00000004
899 #define NDIS_PACKET_TYPE_BROADCAST	0x00000008
900 #define NDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
901 #define NDIS_PACKET_TYPE_PROMISCUOUS	0x00000020
902 #define NDIS_PACKET_TYPE_SMT		0x00000040
903 #define NDIS_PACKET_TYPE_ALL_LOCAL	0x00000080
904 #define NDIS_PACKET_TYPE_GROUP		0x00000100
905 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00000200
906 #define NDIS_PACKET_TYPE_FUNCTIONAL	0x00000400
907 #define NDIS_PACKET_TYPE_MAC_FRAME	0x00000800
908 
909 
910 
911 #endif /* _HYPERV_NET_H */
912