xref: /openbmc/linux/drivers/net/hyperv/hyperv_net.h (revision 6aa7de05)
1 /*
2  *
3  * Copyright (c) 2011, Microsoft Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, see <http://www.gnu.org/licenses/>.
16  *
17  * Authors:
18  *   Haiyang Zhang <haiyangz@microsoft.com>
19  *   Hank Janssen  <hjanssen@microsoft.com>
20  *   K. Y. Srinivasan <kys@microsoft.com>
21  *
22  */
23 
24 #ifndef _HYPERV_NET_H
25 #define _HYPERV_NET_H
26 
27 #include <linux/list.h>
28 #include <linux/hyperv.h>
29 #include <linux/rndis.h>
30 
31 /* RSS related */
32 #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203  /* query only */
33 #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204  /* query and set */
34 
35 #define NDIS_OBJECT_TYPE_RSS_CAPABILITIES 0x88
36 #define NDIS_OBJECT_TYPE_RSS_PARAMETERS 0x89
37 #define NDIS_OBJECT_TYPE_OFFLOAD	0xa7
38 
39 #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
40 #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
41 
42 struct ndis_obj_header {
43 	u8 type;
44 	u8 rev;
45 	u16 size;
46 } __packed;
47 
48 /* ndis_recv_scale_cap/cap_flag */
49 #define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
50 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR       0x02000000
51 #define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC       0x04000000
52 #define NDIS_RSS_CAPS_USING_MSI_X                 0x08000000
53 #define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS      0x10000000
54 #define NDIS_RSS_CAPS_SUPPORTS_MSI_X              0x20000000
55 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4          0x00000100
56 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6          0x00000200
57 #define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX       0x00000400
58 
59 struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
60 	struct ndis_obj_header hdr;
61 	u32 cap_flag;
62 	u32 num_int_msg;
63 	u32 num_recv_que;
64 	u16 num_indirect_tabent;
65 } __packed;
66 
67 
68 /* ndis_recv_scale_param flags */
69 #define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED     0x0001
70 #define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED    0x0002
71 #define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED       0x0004
72 #define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED     0x0008
73 #define NDIS_RSS_PARAM_FLAG_DISABLE_RSS            0x0010
74 
75 /* Hash info bits */
76 #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
77 #define NDIS_HASH_IPV4          0x00000100
78 #define NDIS_HASH_TCP_IPV4      0x00000200
79 #define NDIS_HASH_IPV6          0x00000400
80 #define NDIS_HASH_IPV6_EX       0x00000800
81 #define NDIS_HASH_TCP_IPV6      0x00001000
82 #define NDIS_HASH_TCP_IPV6_EX   0x00002000
83 
84 #define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
85 #define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2   40
86 
87 #define ITAB_NUM 128
88 
89 struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
90 	struct ndis_obj_header hdr;
91 
92 	/* Qualifies the rest of the information */
93 	u16 flag;
94 
95 	/* The base CPU number to do receive processing. not used */
96 	u16 base_cpu_number;
97 
98 	/* This describes the hash function and type being enabled */
99 	u32 hashinfo;
100 
101 	/* The size of indirection table array */
102 	u16 indirect_tabsize;
103 
104 	/* The offset of the indirection table from the beginning of this
105 	 * structure
106 	 */
107 	u32 indirect_taboffset;
108 
109 	/* The size of the hash secret key */
110 	u16 hashkey_size;
111 
112 	/* The offset of the secret key from the beginning of this structure */
113 	u32 kashkey_offset;
114 
115 	u32 processor_masks_offset;
116 	u32 num_processor_masks;
117 	u32 processor_masks_entry_size;
118 };
119 
120 /* Fwd declaration */
121 struct ndis_tcp_ip_checksum_info;
122 struct ndis_pkt_8021q_info;
123 
124 /*
125  * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
126  * within the RNDIS
127  *
128  * The size of this structure is less than 48 bytes and we can now
129  * place this structure in the skb->cb field.
130  */
131 struct hv_netvsc_packet {
132 	/* Bookkeeping stuff */
133 	u8 cp_partial; /* partial copy into send buffer */
134 
135 	u8 rmsg_size; /* RNDIS header and PPI size */
136 	u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
137 	u8 page_buf_cnt;
138 
139 	u16 q_idx;
140 	u16 total_packets;
141 
142 	u32 total_bytes;
143 	u32 send_buf_index;
144 	u32 total_data_buflen;
145 };
146 
147 struct netvsc_device_info {
148 	unsigned char mac_adr[ETH_ALEN];
149 	int  ring_size;
150 	u32  num_chn;
151 	u32  send_sections;
152 	u32  recv_sections;
153 	u32  send_section_size;
154 	u32  recv_section_size;
155 };
156 
157 enum rndis_device_state {
158 	RNDIS_DEV_UNINITIALIZED = 0,
159 	RNDIS_DEV_INITIALIZING,
160 	RNDIS_DEV_INITIALIZED,
161 	RNDIS_DEV_DATAINITIALIZED,
162 };
163 
164 #define NETVSC_HASH_KEYLEN 40
165 
166 struct rndis_device {
167 	struct net_device *ndev;
168 
169 	enum rndis_device_state state;
170 
171 	atomic_t new_req_id;
172 
173 	spinlock_t request_lock;
174 	struct list_head req_list;
175 
176 	struct work_struct mcast_work;
177 
178 	bool link_state;        /* 0 - link up, 1 - link down */
179 
180 	u8 hw_mac_adr[ETH_ALEN];
181 	u8 rss_key[NETVSC_HASH_KEYLEN];
182 	u16 ind_table[ITAB_NUM];
183 };
184 
185 
186 /* Interface */
187 struct rndis_message;
188 struct netvsc_device;
189 struct net_device_context;
190 
191 struct netvsc_device *netvsc_device_add(struct hv_device *device,
192 					const struct netvsc_device_info *info);
193 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx);
194 void netvsc_device_remove(struct hv_device *device);
195 int netvsc_send(struct net_device_context *ndc,
196 		struct hv_netvsc_packet *packet,
197 		struct rndis_message *rndis_msg,
198 		struct hv_page_buffer *page_buffer,
199 		struct sk_buff *skb);
200 void netvsc_linkstatus_callback(struct hv_device *device_obj,
201 				struct rndis_message *resp);
202 int netvsc_recv_callback(struct net_device *net,
203 			 struct vmbus_channel *channel,
204 			 void  *data, u32 len,
205 			 const struct ndis_tcp_ip_checksum_info *csum_info,
206 			 const struct ndis_pkt_8021q_info *vlan);
207 void netvsc_channel_cb(void *context);
208 int netvsc_poll(struct napi_struct *napi, int budget);
209 
210 void rndis_set_subchannel(struct work_struct *w);
211 bool rndis_filter_opened(const struct netvsc_device *nvdev);
212 int rndis_filter_open(struct netvsc_device *nvdev);
213 int rndis_filter_close(struct netvsc_device *nvdev);
214 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
215 					      struct netvsc_device_info *info);
216 void rndis_filter_update(struct netvsc_device *nvdev);
217 void rndis_filter_device_remove(struct hv_device *dev,
218 				struct netvsc_device *nvdev);
219 int rndis_filter_set_rss_param(struct rndis_device *rdev,
220 			       const u8 *key);
221 int rndis_filter_receive(struct net_device *ndev,
222 			 struct netvsc_device *net_dev,
223 			 struct hv_device *dev,
224 			 struct vmbus_channel *channel,
225 			 void *data, u32 buflen);
226 
227 int rndis_filter_set_device_mac(struct netvsc_device *ndev,
228 				const char *mac);
229 
230 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
231 
232 #define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
233 
234 #define NVSP_PROTOCOL_VERSION_1		2
235 #define NVSP_PROTOCOL_VERSION_2		0x30002
236 #define NVSP_PROTOCOL_VERSION_4		0x40000
237 #define NVSP_PROTOCOL_VERSION_5		0x50000
238 
239 enum {
240 	NVSP_MSG_TYPE_NONE = 0,
241 
242 	/* Init Messages */
243 	NVSP_MSG_TYPE_INIT			= 1,
244 	NVSP_MSG_TYPE_INIT_COMPLETE		= 2,
245 
246 	NVSP_VERSION_MSG_START			= 100,
247 
248 	/* Version 1 Messages */
249 	NVSP_MSG1_TYPE_SEND_NDIS_VER		= NVSP_VERSION_MSG_START,
250 
251 	NVSP_MSG1_TYPE_SEND_RECV_BUF,
252 	NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
253 	NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
254 
255 	NVSP_MSG1_TYPE_SEND_SEND_BUF,
256 	NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
257 	NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
258 
259 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
260 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
261 
262 	/* Version 2 messages */
263 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
264 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
265 	NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
266 
267 	NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
268 
269 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
270 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
271 
272 	NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
273 
274 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
275 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
276 
277 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
278 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
279 
280 	NVSP_MSG2_TYPE_ALLOC_RXBUF,
281 	NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
282 
283 	NVSP_MSG2_TYPE_FREE_RXBUF,
284 
285 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
286 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
287 
288 	NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
289 
290 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
291 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
292 
293 	NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
294 
295 	/* Version 4 messages */
296 	NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
297 	NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
298 	NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
299 
300 	NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
301 
302 	/* Version 5 messages */
303 	NVSP_MSG5_TYPE_OID_QUERY_EX,
304 	NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
305 	NVSP_MSG5_TYPE_SUBCHANNEL,
306 	NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
307 
308 	NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
309 };
310 
311 enum {
312 	NVSP_STAT_NONE = 0,
313 	NVSP_STAT_SUCCESS,
314 	NVSP_STAT_FAIL,
315 	NVSP_STAT_PROTOCOL_TOO_NEW,
316 	NVSP_STAT_PROTOCOL_TOO_OLD,
317 	NVSP_STAT_INVALID_RNDIS_PKT,
318 	NVSP_STAT_BUSY,
319 	NVSP_STAT_PROTOCOL_UNSUPPORTED,
320 	NVSP_STAT_MAX,
321 };
322 
323 struct nvsp_message_header {
324 	u32 msg_type;
325 };
326 
327 /* Init Messages */
328 
329 /*
330  * This message is used by the VSC to initialize the channel after the channels
331  * has been opened. This message should never include anything other then
332  * versioning (i.e. this message will be the same for ever).
333  */
334 struct nvsp_message_init {
335 	u32 min_protocol_ver;
336 	u32 max_protocol_ver;
337 } __packed;
338 
339 /*
340  * This message is used by the VSP to complete the initialization of the
341  * channel. This message should never include anything other then versioning
342  * (i.e. this message will be the same for ever).
343  */
344 struct nvsp_message_init_complete {
345 	u32 negotiated_protocol_ver;
346 	u32 max_mdl_chain_len;
347 	u32 status;
348 } __packed;
349 
350 union nvsp_message_init_uber {
351 	struct nvsp_message_init init;
352 	struct nvsp_message_init_complete init_complete;
353 } __packed;
354 
355 /* Version 1 Messages */
356 
357 /*
358  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
359  * can use this information when handling OIDs sent by the VSC.
360  */
361 struct nvsp_1_message_send_ndis_version {
362 	u32 ndis_major_ver;
363 	u32 ndis_minor_ver;
364 } __packed;
365 
366 /*
367  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
368  * can then use the receive buffer to send data to the VSC.
369  */
370 struct nvsp_1_message_send_receive_buffer {
371 	u32 gpadl_handle;
372 	u16 id;
373 } __packed;
374 
375 struct nvsp_1_receive_buffer_section {
376 	u32 offset;
377 	u32 sub_alloc_size;
378 	u32 num_sub_allocs;
379 	u32 end_offset;
380 } __packed;
381 
382 /*
383  * This message is used by the VSP to acknowledge a receive buffer send by the
384  * VSC. This message must be sent by the VSP before the VSP uses the receive
385  * buffer.
386  */
387 struct nvsp_1_message_send_receive_buffer_complete {
388 	u32 status;
389 	u32 num_sections;
390 
391 	/*
392 	 * The receive buffer is split into two parts, a large suballocation
393 	 * section and a small suballocation section. These sections are then
394 	 * suballocated by a certain size.
395 	 */
396 
397 	/*
398 	 * For example, the following break up of the receive buffer has 6
399 	 * large suballocations and 10 small suballocations.
400 	 */
401 
402 	/*
403 	 * |            Large Section          |  |   Small Section   |
404 	 * ------------------------------------------------------------
405 	 * |     |     |     |     |     |     |  | | | | | | | | | | |
406 	 * |                                      |
407 	 *  LargeOffset                            SmallOffset
408 	 */
409 
410 	struct nvsp_1_receive_buffer_section sections[1];
411 } __packed;
412 
413 /*
414  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
415  * completes this transaction, the vsp should never use the receive buffer
416  * again.
417  */
418 struct nvsp_1_message_revoke_receive_buffer {
419 	u16 id;
420 };
421 
422 /*
423  * This message is used by the VSC to send a send buffer to the VSP. The VSC
424  * can then use the send buffer to send data to the VSP.
425  */
426 struct nvsp_1_message_send_send_buffer {
427 	u32 gpadl_handle;
428 	u16 id;
429 } __packed;
430 
431 /*
432  * This message is used by the VSP to acknowledge a send buffer sent by the
433  * VSC. This message must be sent by the VSP before the VSP uses the sent
434  * buffer.
435  */
436 struct nvsp_1_message_send_send_buffer_complete {
437 	u32 status;
438 
439 	/*
440 	 * The VSC gets to choose the size of the send buffer and the VSP gets
441 	 * to choose the sections size of the buffer.  This was done to enable
442 	 * dynamic reconfigurations when the cost of GPA-direct buffers
443 	 * decreases.
444 	 */
445 	u32 section_size;
446 } __packed;
447 
448 /*
449  * This message is sent by the VSC to revoke the send buffer.  After the VSP
450  * completes this transaction, the vsp should never use the send buffer again.
451  */
452 struct nvsp_1_message_revoke_send_buffer {
453 	u16 id;
454 };
455 
456 /*
457  * This message is used by both the VSP and the VSC to send a RNDIS message to
458  * the opposite channel endpoint.
459  */
460 struct nvsp_1_message_send_rndis_packet {
461 	/*
462 	 * This field is specified by RNDIS. They assume there's two different
463 	 * channels of communication. However, the Network VSP only has one.
464 	 * Therefore, the channel travels with the RNDIS packet.
465 	 */
466 	u32 channel_type;
467 
468 	/*
469 	 * This field is used to send part or all of the data through a send
470 	 * buffer. This values specifies an index into the send buffer. If the
471 	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
472 	 * of the data was sent through other VMBus mechanisms.
473 	 */
474 	u32 send_buf_section_index;
475 	u32 send_buf_section_size;
476 } __packed;
477 
478 /*
479  * This message is used by both the VSP and the VSC to complete a RNDIS message
480  * to the opposite channel endpoint. At this point, the initiator of this
481  * message cannot use any resources associated with the original RNDIS packet.
482  */
483 struct nvsp_1_message_send_rndis_packet_complete {
484 	u32 status;
485 };
486 
487 union nvsp_1_message_uber {
488 	struct nvsp_1_message_send_ndis_version send_ndis_ver;
489 
490 	struct nvsp_1_message_send_receive_buffer send_recv_buf;
491 	struct nvsp_1_message_send_receive_buffer_complete
492 						send_recv_buf_complete;
493 	struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
494 
495 	struct nvsp_1_message_send_send_buffer send_send_buf;
496 	struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
497 	struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
498 
499 	struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
500 	struct nvsp_1_message_send_rndis_packet_complete
501 						send_rndis_pkt_complete;
502 } __packed;
503 
504 
505 /*
506  * Network VSP protocol version 2 messages:
507  */
508 struct nvsp_2_vsc_capability {
509 	union {
510 		u64 data;
511 		struct {
512 			u64 vmq:1;
513 			u64 chimney:1;
514 			u64 sriov:1;
515 			u64 ieee8021q:1;
516 			u64 correlation_id:1;
517 			u64 teaming:1;
518 		};
519 	};
520 } __packed;
521 
522 struct nvsp_2_send_ndis_config {
523 	u32 mtu;
524 	u32 reserved;
525 	struct nvsp_2_vsc_capability capability;
526 } __packed;
527 
528 /* Allocate receive buffer */
529 struct nvsp_2_alloc_rxbuf {
530 	/* Allocation ID to match the allocation request and response */
531 	u32 alloc_id;
532 
533 	/* Length of the VM shared memory receive buffer that needs to
534 	 * be allocated
535 	 */
536 	u32 len;
537 } __packed;
538 
539 /* Allocate receive buffer complete */
540 struct nvsp_2_alloc_rxbuf_comp {
541 	/* The NDIS_STATUS code for buffer allocation */
542 	u32 status;
543 
544 	u32 alloc_id;
545 
546 	/* GPADL handle for the allocated receive buffer */
547 	u32 gpadl_handle;
548 
549 	/* Receive buffer ID */
550 	u64 recv_buf_id;
551 } __packed;
552 
553 struct nvsp_2_free_rxbuf {
554 	u64 recv_buf_id;
555 } __packed;
556 
557 union nvsp_2_message_uber {
558 	struct nvsp_2_send_ndis_config send_ndis_config;
559 	struct nvsp_2_alloc_rxbuf alloc_rxbuf;
560 	struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
561 	struct nvsp_2_free_rxbuf free_rxbuf;
562 } __packed;
563 
564 struct nvsp_4_send_vf_association {
565 	/* 1: allocated, serial number is valid. 0: not allocated */
566 	u32 allocated;
567 
568 	/* Serial number of the VF to team with */
569 	u32 serial;
570 } __packed;
571 
572 enum nvsp_vm_datapath {
573 	NVSP_DATAPATH_SYNTHETIC = 0,
574 	NVSP_DATAPATH_VF,
575 	NVSP_DATAPATH_MAX
576 };
577 
578 struct nvsp_4_sw_datapath {
579 	u32 active_datapath; /* active data path in VM */
580 } __packed;
581 
582 union nvsp_4_message_uber {
583 	struct nvsp_4_send_vf_association vf_assoc;
584 	struct nvsp_4_sw_datapath active_dp;
585 } __packed;
586 
587 enum nvsp_subchannel_operation {
588 	NVSP_SUBCHANNEL_NONE = 0,
589 	NVSP_SUBCHANNEL_ALLOCATE,
590 	NVSP_SUBCHANNEL_MAX
591 };
592 
593 struct nvsp_5_subchannel_request {
594 	u32 op;
595 	u32 num_subchannels;
596 } __packed;
597 
598 struct nvsp_5_subchannel_complete {
599 	u32 status;
600 	u32 num_subchannels; /* Actual number of subchannels allocated */
601 } __packed;
602 
603 struct nvsp_5_send_indirect_table {
604 	/* The number of entries in the send indirection table */
605 	u32 count;
606 
607 	/* The offset of the send indirection table from top of this struct.
608 	 * The send indirection table tells which channel to put the send
609 	 * traffic on. Each entry is a channel number.
610 	 */
611 	u32 offset;
612 } __packed;
613 
614 union nvsp_5_message_uber {
615 	struct nvsp_5_subchannel_request subchn_req;
616 	struct nvsp_5_subchannel_complete subchn_comp;
617 	struct nvsp_5_send_indirect_table send_table;
618 } __packed;
619 
620 union nvsp_all_messages {
621 	union nvsp_message_init_uber init_msg;
622 	union nvsp_1_message_uber v1_msg;
623 	union nvsp_2_message_uber v2_msg;
624 	union nvsp_4_message_uber v4_msg;
625 	union nvsp_5_message_uber v5_msg;
626 } __packed;
627 
628 /* ALL Messages */
629 struct nvsp_message {
630 	struct nvsp_message_header hdr;
631 	union nvsp_all_messages msg;
632 } __packed;
633 
634 
635 #define NETVSC_MTU 65535
636 #define NETVSC_MTU_MIN ETH_MIN_MTU
637 
638 #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*16)	/* 16MB */
639 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY	(1024*1024*15)  /* 15MB */
640 #define NETVSC_SEND_BUFFER_SIZE			(1024 * 1024 * 15)   /* 15MB */
641 #define NETVSC_INVALID_INDEX			-1
642 
643 #define NETVSC_SEND_SECTION_SIZE		6144
644 #define NETVSC_RECV_SECTION_SIZE		1728
645 
646 #define NETVSC_RECEIVE_BUFFER_ID		0xcafe
647 #define NETVSC_SEND_BUFFER_ID			0
648 
649 #define VRSS_SEND_TAB_SIZE 16  /* must be power of 2 */
650 #define VRSS_CHANNEL_MAX 64
651 #define VRSS_CHANNEL_DEFAULT 8
652 
653 #define RNDIS_MAX_PKT_DEFAULT 8
654 #define RNDIS_PKT_ALIGN_DEFAULT 8
655 
656 struct multi_send_data {
657 	struct sk_buff *skb; /* skb containing the pkt */
658 	struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
659 	u32 count; /* counter of batched packets */
660 };
661 
662 struct recv_comp_data {
663 	u64 tid; /* transaction id */
664 	u32 status;
665 };
666 
667 struct multi_recv_comp {
668 	struct recv_comp_data *slots;
669 	u32 first;	/* first data entry */
670 	u32 next;	/* next entry for writing */
671 };
672 
673 struct netvsc_stats {
674 	u64 packets;
675 	u64 bytes;
676 	u64 broadcast;
677 	u64 multicast;
678 	struct u64_stats_sync syncp;
679 };
680 
681 struct netvsc_ethtool_stats {
682 	unsigned long tx_scattered;
683 	unsigned long tx_no_memory;
684 	unsigned long tx_no_space;
685 	unsigned long tx_too_big;
686 	unsigned long tx_busy;
687 	unsigned long tx_send_full;
688 	unsigned long rx_comp_busy;
689 };
690 
691 struct netvsc_vf_pcpu_stats {
692 	u64     rx_packets;
693 	u64     rx_bytes;
694 	u64     tx_packets;
695 	u64     tx_bytes;
696 	struct u64_stats_sync   syncp;
697 	u32	tx_dropped;
698 };
699 
700 struct netvsc_reconfig {
701 	struct list_head list;
702 	u32 event;
703 };
704 
705 /* The context of the netvsc device  */
706 struct net_device_context {
707 	/* point back to our device context */
708 	struct hv_device *device_ctx;
709 	/* netvsc_device */
710 	struct netvsc_device __rcu *nvdev;
711 	/* reconfigure work */
712 	struct delayed_work dwork;
713 	/* last reconfig time */
714 	unsigned long last_reconfig;
715 	/* reconfig events */
716 	struct list_head reconfig_events;
717 	/* list protection */
718 	spinlock_t lock;
719 
720 	u32 msg_enable; /* debug level */
721 
722 	u32 tx_checksum_mask;
723 
724 	u32 tx_send_table[VRSS_SEND_TAB_SIZE];
725 
726 	/* Ethtool settings */
727 	bool udp4_l4_hash;
728 	bool udp6_l4_hash;
729 	u8 duplex;
730 	u32 speed;
731 	struct netvsc_ethtool_stats eth_stats;
732 
733 	/* State to manage the associated VF interface. */
734 	struct net_device __rcu *vf_netdev;
735 	struct netvsc_vf_pcpu_stats __percpu *vf_stats;
736 	struct delayed_work vf_takeover;
737 
738 	/* 1: allocated, serial number is valid. 0: not allocated */
739 	u32 vf_alloc;
740 	/* Serial number of the VF to team with */
741 	u32 vf_serial;
742 };
743 
744 /* Per channel data */
745 struct netvsc_channel {
746 	struct vmbus_channel *channel;
747 	struct netvsc_device *net_device;
748 	const struct vmpacket_descriptor *desc;
749 	struct napi_struct napi;
750 	struct multi_send_data msd;
751 	struct multi_recv_comp mrc;
752 	atomic_t queue_sends;
753 
754 	struct netvsc_stats tx_stats;
755 	struct netvsc_stats rx_stats;
756 };
757 
758 /* Per netvsc device */
759 struct netvsc_device {
760 	u32 nvsp_version;
761 
762 	wait_queue_head_t wait_drain;
763 	bool destroy;
764 
765 	/* Receive buffer allocated by us but manages by NetVSP */
766 	void *recv_buf;
767 	u32 recv_buf_gpadl_handle;
768 	u32 recv_section_cnt;
769 	u32 recv_section_size;
770 	u32 recv_completion_cnt;
771 
772 	/* Send buffer allocated by us */
773 	void *send_buf;
774 	u32 send_buf_gpadl_handle;
775 	u32 send_section_cnt;
776 	u32 send_section_size;
777 	unsigned long *send_section_map;
778 
779 	/* Used for NetVSP initialization protocol */
780 	struct completion channel_init_wait;
781 	struct nvsp_message channel_init_pkt;
782 
783 	struct nvsp_message revoke_packet;
784 
785 	u32 max_chn;
786 	u32 num_chn;
787 
788 	atomic_t open_chn;
789 	struct work_struct subchan_work;
790 	wait_queue_head_t subchan_open;
791 
792 	struct rndis_device *extension;
793 
794 	int ring_size;
795 
796 	u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
797 	u32 pkt_align; /* alignment bytes, e.g. 8 */
798 
799 	atomic_t open_cnt;
800 
801 	struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
802 
803 	struct rcu_head rcu;
804 };
805 
806 /* NdisInitialize message */
807 struct rndis_initialize_request {
808 	u32 req_id;
809 	u32 major_ver;
810 	u32 minor_ver;
811 	u32 max_xfer_size;
812 };
813 
814 /* Response to NdisInitialize */
815 struct rndis_initialize_complete {
816 	u32 req_id;
817 	u32 status;
818 	u32 major_ver;
819 	u32 minor_ver;
820 	u32 dev_flags;
821 	u32 medium;
822 	u32 max_pkt_per_msg;
823 	u32 max_xfer_size;
824 	u32 pkt_alignment_factor;
825 	u32 af_list_offset;
826 	u32 af_list_size;
827 };
828 
829 /* Call manager devices only: Information about an address family */
830 /* supported by the device is appended to the response to NdisInitialize. */
831 struct rndis_co_address_family {
832 	u32 address_family;
833 	u32 major_ver;
834 	u32 minor_ver;
835 };
836 
837 /* NdisHalt message */
838 struct rndis_halt_request {
839 	u32 req_id;
840 };
841 
842 /* NdisQueryRequest message */
843 struct rndis_query_request {
844 	u32 req_id;
845 	u32 oid;
846 	u32 info_buflen;
847 	u32 info_buf_offset;
848 	u32 dev_vc_handle;
849 };
850 
851 /* Response to NdisQueryRequest */
852 struct rndis_query_complete {
853 	u32 req_id;
854 	u32 status;
855 	u32 info_buflen;
856 	u32 info_buf_offset;
857 };
858 
859 /* NdisSetRequest message */
860 struct rndis_set_request {
861 	u32 req_id;
862 	u32 oid;
863 	u32 info_buflen;
864 	u32 info_buf_offset;
865 	u32 dev_vc_handle;
866 };
867 
868 /* Response to NdisSetRequest */
869 struct rndis_set_complete {
870 	u32 req_id;
871 	u32 status;
872 };
873 
874 /* NdisReset message */
875 struct rndis_reset_request {
876 	u32 reserved;
877 };
878 
879 /* Response to NdisReset */
880 struct rndis_reset_complete {
881 	u32 status;
882 	u32 addressing_reset;
883 };
884 
885 /* NdisMIndicateStatus message */
886 struct rndis_indicate_status {
887 	u32 status;
888 	u32 status_buflen;
889 	u32 status_buf_offset;
890 };
891 
892 /* Diagnostic information passed as the status buffer in */
893 /* struct rndis_indicate_status messages signifying error conditions. */
894 struct rndis_diagnostic_info {
895 	u32 diag_status;
896 	u32 error_offset;
897 };
898 
899 /* NdisKeepAlive message */
900 struct rndis_keepalive_request {
901 	u32 req_id;
902 };
903 
904 /* Response to NdisKeepAlive */
905 struct rndis_keepalive_complete {
906 	u32 req_id;
907 	u32 status;
908 };
909 
910 /*
911  * Data message. All Offset fields contain byte offsets from the beginning of
912  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
913  * to 0 for connectionless data, otherwise it contains the VC handle.
914  */
915 struct rndis_packet {
916 	u32 data_offset;
917 	u32 data_len;
918 	u32 oob_data_offset;
919 	u32 oob_data_len;
920 	u32 num_oob_data_elements;
921 	u32 per_pkt_info_offset;
922 	u32 per_pkt_info_len;
923 	u32 vc_handle;
924 	u32 reserved;
925 };
926 
927 /* Optional Out of Band data associated with a Data message. */
928 struct rndis_oobd {
929 	u32 size;
930 	u32 type;
931 	u32 class_info_offset;
932 };
933 
934 /* Packet extension field contents associated with a Data message. */
935 struct rndis_per_packet_info {
936 	u32 size;
937 	u32 type;
938 	u32 ppi_offset;
939 };
940 
941 enum ndis_per_pkt_info_type {
942 	TCPIP_CHKSUM_PKTINFO,
943 	IPSEC_PKTINFO,
944 	TCP_LARGESEND_PKTINFO,
945 	CLASSIFICATION_HANDLE_PKTINFO,
946 	NDIS_RESERVED,
947 	SG_LIST_PKTINFO,
948 	IEEE_8021Q_INFO,
949 	ORIGINAL_PKTINFO,
950 	PACKET_CANCEL_ID,
951 	NBL_HASH_VALUE = PACKET_CANCEL_ID,
952 	ORIGINAL_NET_BUFLIST,
953 	CACHED_NET_BUFLIST,
954 	SHORT_PKT_PADINFO,
955 	MAX_PER_PKT_INFO
956 };
957 
958 struct ndis_pkt_8021q_info {
959 	union {
960 		struct {
961 			u32 pri:3; /* User Priority */
962 			u32 cfi:1; /* Canonical Format ID */
963 			u32 vlanid:12; /* VLAN ID */
964 			u32 reserved:16;
965 		};
966 		u32 value;
967 	};
968 };
969 
970 struct ndis_object_header {
971 	u8 type;
972 	u8 revision;
973 	u16 size;
974 };
975 
976 #define NDIS_OBJECT_TYPE_DEFAULT	0x80
977 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
978 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
979 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
980 
981 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
982 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
983 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
984 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
985 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
986 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
987 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
988 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
989 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
990 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
991 
992 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE	1
993 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4	0
994 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6	1
995 
996 #define VERSION_4_OFFLOAD_SIZE			22
997 /*
998  * New offload OIDs for NDIS 6
999  */
1000 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
1001 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C		/* set only */
1002 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
1003 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
1004 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
1005 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
1006 
1007 /*
1008  * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
1009  * ndis_type: NDIS_OBJTYPE_OFFLOAD
1010  */
1011 
1012 #define	NDIS_OFFLOAD_ENCAP_NONE		0x0000
1013 #define	NDIS_OFFLOAD_ENCAP_NULL		0x0001
1014 #define	NDIS_OFFLOAD_ENCAP_8023		0x0002
1015 #define	NDIS_OFFLOAD_ENCAP_8023PQ	0x0004
1016 #define	NDIS_OFFLOAD_ENCAP_8023PQ_OOB	0x0008
1017 #define	NDIS_OFFLOAD_ENCAP_RFC1483	0x0010
1018 
1019 struct ndis_csum_offload {
1020 	u32	ip4_txenc;
1021 	u32	ip4_txcsum;
1022 #define	NDIS_TXCSUM_CAP_IP4OPT		0x001
1023 #define	NDIS_TXCSUM_CAP_TCP4OPT		0x004
1024 #define	NDIS_TXCSUM_CAP_TCP4		0x010
1025 #define	NDIS_TXCSUM_CAP_UDP4		0x040
1026 #define	NDIS_TXCSUM_CAP_IP4		0x100
1027 
1028 #define NDIS_TXCSUM_ALL_TCP4	(NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1029 
1030 	u32	ip4_rxenc;
1031 	u32	ip4_rxcsum;
1032 #define	NDIS_RXCSUM_CAP_IP4OPT		0x001
1033 #define	NDIS_RXCSUM_CAP_TCP4OPT		0x004
1034 #define	NDIS_RXCSUM_CAP_TCP4		0x010
1035 #define	NDIS_RXCSUM_CAP_UDP4		0x040
1036 #define	NDIS_RXCSUM_CAP_IP4		0x100
1037 	u32	ip6_txenc;
1038 	u32	ip6_txcsum;
1039 #define	NDIS_TXCSUM_CAP_IP6EXT		0x001
1040 #define	NDIS_TXCSUM_CAP_TCP6OPT		0x004
1041 #define	NDIS_TXCSUM_CAP_TCP6		0x010
1042 #define	NDIS_TXCSUM_CAP_UDP6		0x040
1043 	u32	ip6_rxenc;
1044 	u32	ip6_rxcsum;
1045 #define	NDIS_RXCSUM_CAP_IP6EXT		0x001
1046 #define	NDIS_RXCSUM_CAP_TCP6OPT		0x004
1047 #define	NDIS_RXCSUM_CAP_TCP6		0x010
1048 #define	NDIS_RXCSUM_CAP_UDP6		0x040
1049 
1050 #define NDIS_TXCSUM_ALL_TCP6	(NDIS_TXCSUM_CAP_TCP6 |		\
1051 				 NDIS_TXCSUM_CAP_TCP6OPT |	\
1052 				 NDIS_TXCSUM_CAP_IP6EXT)
1053 };
1054 
1055 struct ndis_lsov1_offload {
1056 	u32	encap;
1057 	u32	maxsize;
1058 	u32	minsegs;
1059 	u32	opts;
1060 };
1061 
1062 struct ndis_ipsecv1_offload {
1063 	u32	encap;
1064 	u32	ah_esp;
1065 	u32	xport_tun;
1066 	u32	ip4_opts;
1067 	u32	flags;
1068 	u32	ip4_ah;
1069 	u32	ip4_esp;
1070 };
1071 
1072 struct ndis_lsov2_offload {
1073 	u32	ip4_encap;
1074 	u32	ip4_maxsz;
1075 	u32	ip4_minsg;
1076 	u32	ip6_encap;
1077 	u32	ip6_maxsz;
1078 	u32	ip6_minsg;
1079 	u32	ip6_opts;
1080 #define	NDIS_LSOV2_CAP_IP6EXT		0x001
1081 #define	NDIS_LSOV2_CAP_TCP6OPT		0x004
1082 
1083 #define NDIS_LSOV2_CAP_IP6		(NDIS_LSOV2_CAP_IP6EXT | \
1084 					 NDIS_LSOV2_CAP_TCP6OPT)
1085 };
1086 
1087 struct ndis_ipsecv2_offload {
1088 	u32	encap;
1089 	u16	ip6;
1090 	u16	ip4opt;
1091 	u16	ip6ext;
1092 	u16	ah;
1093 	u16	esp;
1094 	u16	ah_esp;
1095 	u16	xport;
1096 	u16	tun;
1097 	u16	xport_tun;
1098 	u16	lso;
1099 	u16	extseq;
1100 	u32	udp_esp;
1101 	u32	auth;
1102 	u32	crypto;
1103 	u32	sa_caps;
1104 };
1105 
1106 struct ndis_rsc_offload {
1107 	u16	ip4;
1108 	u16	ip6;
1109 };
1110 
1111 struct ndis_encap_offload {
1112 	u32	flags;
1113 	u32	maxhdr;
1114 };
1115 
1116 struct ndis_offload {
1117 	struct ndis_object_header	header;
1118 	struct ndis_csum_offload	csum;
1119 	struct ndis_lsov1_offload	lsov1;
1120 	struct ndis_ipsecv1_offload	ipsecv1;
1121 	struct ndis_lsov2_offload	lsov2;
1122 	u32				flags;
1123 	/* NDIS >= 6.1 */
1124 	struct ndis_ipsecv2_offload	ipsecv2;
1125 	/* NDIS >= 6.30 */
1126 	struct ndis_rsc_offload		rsc;
1127 	struct ndis_encap_offload	encap_gre;
1128 };
1129 
1130 #define	NDIS_OFFLOAD_SIZE		sizeof(struct ndis_offload)
1131 #define	NDIS_OFFLOAD_SIZE_6_0		offsetof(struct ndis_offload, ipsecv2)
1132 #define	NDIS_OFFLOAD_SIZE_6_1		offsetof(struct ndis_offload, rsc)
1133 
1134 struct ndis_offload_params {
1135 	struct ndis_object_header header;
1136 	u8 ip_v4_csum;
1137 	u8 tcp_ip_v4_csum;
1138 	u8 udp_ip_v4_csum;
1139 	u8 tcp_ip_v6_csum;
1140 	u8 udp_ip_v6_csum;
1141 	u8 lso_v1;
1142 	u8 ip_sec_v1;
1143 	u8 lso_v2_ipv4;
1144 	u8 lso_v2_ipv6;
1145 	u8 tcp_connection_ip_v4;
1146 	u8 tcp_connection_ip_v6;
1147 	u32 flags;
1148 	u8 ip_sec_v2;
1149 	u8 ip_sec_v2_ip_v4;
1150 	struct {
1151 		u8 rsc_ip_v4;
1152 		u8 rsc_ip_v6;
1153 	};
1154 	struct {
1155 		u8 encapsulated_packet_task_offload;
1156 		u8 encapsulation_types;
1157 	};
1158 };
1159 
1160 struct ndis_tcp_ip_checksum_info {
1161 	union {
1162 		struct {
1163 			u32 is_ipv4:1;
1164 			u32 is_ipv6:1;
1165 			u32 tcp_checksum:1;
1166 			u32 udp_checksum:1;
1167 			u32 ip_header_checksum:1;
1168 			u32 reserved:11;
1169 			u32 tcp_header_offset:10;
1170 		} transmit;
1171 		struct {
1172 			u32 tcp_checksum_failed:1;
1173 			u32 udp_checksum_failed:1;
1174 			u32 ip_checksum_failed:1;
1175 			u32 tcp_checksum_succeeded:1;
1176 			u32 udp_checksum_succeeded:1;
1177 			u32 ip_checksum_succeeded:1;
1178 			u32 loopback:1;
1179 			u32 tcp_checksum_value_invalid:1;
1180 			u32 ip_checksum_value_invalid:1;
1181 		} receive;
1182 		u32  value;
1183 	};
1184 };
1185 
1186 struct ndis_tcp_lso_info {
1187 	union {
1188 		struct {
1189 			u32 unused:30;
1190 			u32 type:1;
1191 			u32 reserved2:1;
1192 		} transmit;
1193 		struct {
1194 			u32 mss:20;
1195 			u32 tcp_header_offset:10;
1196 			u32 type:1;
1197 			u32 reserved2:1;
1198 		} lso_v1_transmit;
1199 		struct {
1200 			u32 tcp_payload:30;
1201 			u32 type:1;
1202 			u32 reserved2:1;
1203 		} lso_v1_transmit_complete;
1204 		struct {
1205 			u32 mss:20;
1206 			u32 tcp_header_offset:10;
1207 			u32 type:1;
1208 			u32 ip_version:1;
1209 		} lso_v2_transmit;
1210 		struct {
1211 			u32 reserved:30;
1212 			u32 type:1;
1213 			u32 reserved2:1;
1214 		} lso_v2_transmit_complete;
1215 		u32  value;
1216 	};
1217 };
1218 
1219 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1220 		sizeof(struct ndis_pkt_8021q_info))
1221 
1222 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1223 		sizeof(struct ndis_tcp_ip_checksum_info))
1224 
1225 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1226 		sizeof(struct ndis_tcp_lso_info))
1227 
1228 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1229 		sizeof(u32))
1230 
1231 /* Total size of all PPI data */
1232 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1233 			   NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1234 
1235 /* Format of Information buffer passed in a SetRequest for the OID */
1236 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1237 struct rndis_config_parameter_info {
1238 	u32 parameter_name_offset;
1239 	u32 parameter_name_length;
1240 	u32 parameter_type;
1241 	u32 parameter_value_offset;
1242 	u32 parameter_value_length;
1243 };
1244 
1245 /* Values for ParameterType in struct rndis_config_parameter_info */
1246 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1247 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1248 
1249 /* CONDIS Miniport messages for connection oriented devices */
1250 /* that do not implement a call manager. */
1251 
1252 /* CoNdisMiniportCreateVc message */
1253 struct rcondis_mp_create_vc {
1254 	u32 req_id;
1255 	u32 ndis_vc_handle;
1256 };
1257 
1258 /* Response to CoNdisMiniportCreateVc */
1259 struct rcondis_mp_create_vc_complete {
1260 	u32 req_id;
1261 	u32 dev_vc_handle;
1262 	u32 status;
1263 };
1264 
1265 /* CoNdisMiniportDeleteVc message */
1266 struct rcondis_mp_delete_vc {
1267 	u32 req_id;
1268 	u32 dev_vc_handle;
1269 };
1270 
1271 /* Response to CoNdisMiniportDeleteVc */
1272 struct rcondis_mp_delete_vc_complete {
1273 	u32 req_id;
1274 	u32 status;
1275 };
1276 
1277 /* CoNdisMiniportQueryRequest message */
1278 struct rcondis_mp_query_request {
1279 	u32 req_id;
1280 	u32 request_type;
1281 	u32 oid;
1282 	u32 dev_vc_handle;
1283 	u32 info_buflen;
1284 	u32 info_buf_offset;
1285 };
1286 
1287 /* CoNdisMiniportSetRequest message */
1288 struct rcondis_mp_set_request {
1289 	u32 req_id;
1290 	u32 request_type;
1291 	u32 oid;
1292 	u32 dev_vc_handle;
1293 	u32 info_buflen;
1294 	u32 info_buf_offset;
1295 };
1296 
1297 /* CoNdisIndicateStatus message */
1298 struct rcondis_indicate_status {
1299 	u32 ndis_vc_handle;
1300 	u32 status;
1301 	u32 status_buflen;
1302 	u32 status_buf_offset;
1303 };
1304 
1305 /* CONDIS Call/VC parameters */
1306 struct rcondis_specific_parameters {
1307 	u32 parameter_type;
1308 	u32 parameter_length;
1309 	u32 parameter_lffset;
1310 };
1311 
1312 struct rcondis_media_parameters {
1313 	u32 flags;
1314 	u32 reserved1;
1315 	u32 reserved2;
1316 	struct rcondis_specific_parameters media_specific;
1317 };
1318 
1319 struct rndis_flowspec {
1320 	u32 token_rate;
1321 	u32 token_bucket_size;
1322 	u32 peak_bandwidth;
1323 	u32 latency;
1324 	u32 delay_variation;
1325 	u32 service_type;
1326 	u32 max_sdu_size;
1327 	u32 minimum_policed_size;
1328 };
1329 
1330 struct rcondis_call_manager_parameters {
1331 	struct rndis_flowspec transmit;
1332 	struct rndis_flowspec receive;
1333 	struct rcondis_specific_parameters call_mgr_specific;
1334 };
1335 
1336 /* CoNdisMiniportActivateVc message */
1337 struct rcondis_mp_activate_vc_request {
1338 	u32 req_id;
1339 	u32 flags;
1340 	u32 dev_vc_handle;
1341 	u32 media_params_offset;
1342 	u32 media_params_length;
1343 	u32 call_mgr_params_offset;
1344 	u32 call_mgr_params_length;
1345 };
1346 
1347 /* Response to CoNdisMiniportActivateVc */
1348 struct rcondis_mp_activate_vc_complete {
1349 	u32 req_id;
1350 	u32 status;
1351 };
1352 
1353 /* CoNdisMiniportDeactivateVc message */
1354 struct rcondis_mp_deactivate_vc_request {
1355 	u32 req_id;
1356 	u32 flags;
1357 	u32 dev_vc_handle;
1358 };
1359 
1360 /* Response to CoNdisMiniportDeactivateVc */
1361 struct rcondis_mp_deactivate_vc_complete {
1362 	u32 req_id;
1363 	u32 status;
1364 };
1365 
1366 
1367 /* union with all of the RNDIS messages */
1368 union rndis_message_container {
1369 	struct rndis_packet pkt;
1370 	struct rndis_initialize_request init_req;
1371 	struct rndis_halt_request halt_req;
1372 	struct rndis_query_request query_req;
1373 	struct rndis_set_request set_req;
1374 	struct rndis_reset_request reset_req;
1375 	struct rndis_keepalive_request keep_alive_req;
1376 	struct rndis_indicate_status indicate_status;
1377 	struct rndis_initialize_complete init_complete;
1378 	struct rndis_query_complete query_complete;
1379 	struct rndis_set_complete set_complete;
1380 	struct rndis_reset_complete reset_complete;
1381 	struct rndis_keepalive_complete keep_alive_complete;
1382 	struct rcondis_mp_create_vc co_miniport_create_vc;
1383 	struct rcondis_mp_delete_vc co_miniport_delete_vc;
1384 	struct rcondis_indicate_status co_indicate_status;
1385 	struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1386 	struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1387 	struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1388 	struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1389 	struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1390 	struct rcondis_mp_deactivate_vc_complete
1391 		co_miniport_deactivate_vc_complete;
1392 };
1393 
1394 /* Remote NDIS message format */
1395 struct rndis_message {
1396 	u32 ndis_msg_type;
1397 
1398 	/* Total length of this message, from the beginning */
1399 	/* of the struct rndis_message, in bytes. */
1400 	u32 msg_len;
1401 
1402 	/* Actual message */
1403 	union rndis_message_container msg;
1404 };
1405 
1406 
1407 /* Handy macros */
1408 
1409 /* get the size of an RNDIS message. Pass in the message type, */
1410 /* struct rndis_set_request, struct rndis_packet for example */
1411 #define RNDIS_MESSAGE_SIZE(msg)				\
1412 	(sizeof(msg) + (sizeof(struct rndis_message) -	\
1413 	 sizeof(union rndis_message_container)))
1414 
1415 /* get pointer to info buffer with message pointer */
1416 #define MESSAGE_TO_INFO_BUFFER(msg)				\
1417 	(((unsigned char *)(msg)) + msg->info_buf_offset)
1418 
1419 /* get pointer to status buffer with message pointer */
1420 #define MESSAGE_TO_STATUS_BUFFER(msg)			\
1421 	(((unsigned char *)(msg)) + msg->status_buf_offset)
1422 
1423 /* get pointer to OOBD buffer with message pointer */
1424 #define MESSAGE_TO_OOBD_BUFFER(msg)				\
1425 	(((unsigned char *)(msg)) + msg->oob_data_offset)
1426 
1427 /* get pointer to data buffer with message pointer */
1428 #define MESSAGE_TO_DATA_BUFFER(msg)				\
1429 	(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1430 
1431 /* get pointer to contained message from NDIS_MESSAGE pointer */
1432 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)		\
1433 	((void *) &rndis_msg->msg)
1434 
1435 /* get pointer to contained message from NDIS_MESSAGE pointer */
1436 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg)	\
1437 	((void *) rndis_msg)
1438 
1439 
1440 
1441 #define RNDIS_HEADER_SIZE	(sizeof(struct rndis_message) - \
1442 				 sizeof(union rndis_message_container))
1443 
1444 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1445 
1446 #define NDIS_PACKET_TYPE_DIRECTED	0x00000001
1447 #define NDIS_PACKET_TYPE_MULTICAST	0x00000002
1448 #define NDIS_PACKET_TYPE_ALL_MULTICAST	0x00000004
1449 #define NDIS_PACKET_TYPE_BROADCAST	0x00000008
1450 #define NDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
1451 #define NDIS_PACKET_TYPE_PROMISCUOUS	0x00000020
1452 #define NDIS_PACKET_TYPE_SMT		0x00000040
1453 #define NDIS_PACKET_TYPE_ALL_LOCAL	0x00000080
1454 #define NDIS_PACKET_TYPE_GROUP		0x00000100
1455 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00000200
1456 #define NDIS_PACKET_TYPE_FUNCTIONAL	0x00000400
1457 #define NDIS_PACKET_TYPE_MAC_FRAME	0x00000800
1458 
1459 #define TRANSPORT_INFO_NOT_IP   0
1460 #define TRANSPORT_INFO_IPV4_TCP 0x01
1461 #define TRANSPORT_INFO_IPV4_UDP 0x02
1462 #define TRANSPORT_INFO_IPV6_TCP 0x10
1463 #define TRANSPORT_INFO_IPV6_UDP 0x20
1464 
1465 #endif /* _HYPERV_NET_H */
1466