xref: /openbmc/linux/drivers/net/hyperv/hyperv_net.h (revision efe4a1ac)
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 	bool link_state;	/* 0 - link up, 1 - link down */
150 	int  ring_size;
151 	u32  max_num_vrss_chns;
152 	u32  num_chn;
153 };
154 
155 enum rndis_device_state {
156 	RNDIS_DEV_UNINITIALIZED = 0,
157 	RNDIS_DEV_INITIALIZING,
158 	RNDIS_DEV_INITIALIZED,
159 	RNDIS_DEV_DATAINITIALIZED,
160 };
161 
162 #define NETVSC_HASH_KEYLEN 40
163 
164 struct rndis_device {
165 	struct net_device *ndev;
166 
167 	enum rndis_device_state state;
168 	bool link_state;
169 	atomic_t new_req_id;
170 
171 	spinlock_t request_lock;
172 	struct list_head req_list;
173 
174 	struct work_struct mcast_work;
175 
176 	u8 hw_mac_adr[ETH_ALEN];
177 	u8 rss_key[NETVSC_HASH_KEYLEN];
178 	u16 ind_table[ITAB_NUM];
179 };
180 
181 
182 /* Interface */
183 struct rndis_message;
184 struct netvsc_device;
185 int netvsc_device_add(struct hv_device *device,
186 		      const struct netvsc_device_info *info);
187 void netvsc_device_remove(struct hv_device *device);
188 int netvsc_send(struct hv_device *device,
189 		struct hv_netvsc_packet *packet,
190 		struct rndis_message *rndis_msg,
191 		struct hv_page_buffer **page_buffer,
192 		struct sk_buff *skb);
193 void netvsc_linkstatus_callback(struct hv_device *device_obj,
194 				struct rndis_message *resp);
195 int netvsc_recv_callback(struct net_device *net,
196 			 struct vmbus_channel *channel,
197 			 void  *data, u32 len,
198 			 const struct ndis_tcp_ip_checksum_info *csum_info,
199 			 const struct ndis_pkt_8021q_info *vlan);
200 void netvsc_channel_cb(void *context);
201 int netvsc_poll(struct napi_struct *napi, int budget);
202 int rndis_filter_open(struct netvsc_device *nvdev);
203 int rndis_filter_close(struct netvsc_device *nvdev);
204 int rndis_filter_device_add(struct hv_device *dev,
205 			    struct netvsc_device_info *info);
206 void rndis_filter_update(struct netvsc_device *nvdev);
207 void rndis_filter_device_remove(struct hv_device *dev,
208 				struct netvsc_device *nvdev);
209 int rndis_filter_set_rss_param(struct rndis_device *rdev,
210 			       const u8 *key, int num_queue);
211 int rndis_filter_receive(struct net_device *ndev,
212 			 struct netvsc_device *net_dev,
213 			 struct hv_device *dev,
214 			 struct vmbus_channel *channel,
215 			 void *data, u32 buflen);
216 
217 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
218 
219 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
220 
221 #define NVSP_INVALID_PROTOCOL_VERSION	((u32)0xFFFFFFFF)
222 
223 #define NVSP_PROTOCOL_VERSION_1		2
224 #define NVSP_PROTOCOL_VERSION_2		0x30002
225 #define NVSP_PROTOCOL_VERSION_4		0x40000
226 #define NVSP_PROTOCOL_VERSION_5		0x50000
227 
228 enum {
229 	NVSP_MSG_TYPE_NONE = 0,
230 
231 	/* Init Messages */
232 	NVSP_MSG_TYPE_INIT			= 1,
233 	NVSP_MSG_TYPE_INIT_COMPLETE		= 2,
234 
235 	NVSP_VERSION_MSG_START			= 100,
236 
237 	/* Version 1 Messages */
238 	NVSP_MSG1_TYPE_SEND_NDIS_VER		= NVSP_VERSION_MSG_START,
239 
240 	NVSP_MSG1_TYPE_SEND_RECV_BUF,
241 	NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
242 	NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
243 
244 	NVSP_MSG1_TYPE_SEND_SEND_BUF,
245 	NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
246 	NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
247 
248 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
249 	NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
250 
251 	/* Version 2 messages */
252 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
253 	NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
254 	NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
255 
256 	NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
257 
258 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
259 	NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
260 
261 	NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
262 
263 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
264 	NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
265 
266 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
267 	NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
268 
269 	NVSP_MSG2_TYPE_ALLOC_RXBUF,
270 	NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
271 
272 	NVSP_MSG2_TYPE_FREE_RXBUF,
273 
274 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
275 	NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
276 
277 	NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
278 
279 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
280 	NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
281 
282 	NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
283 
284 	/* Version 4 messages */
285 	NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
286 	NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
287 	NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
288 
289 	NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
290 
291 	/* Version 5 messages */
292 	NVSP_MSG5_TYPE_OID_QUERY_EX,
293 	NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
294 	NVSP_MSG5_TYPE_SUBCHANNEL,
295 	NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
296 
297 	NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
298 };
299 
300 enum {
301 	NVSP_STAT_NONE = 0,
302 	NVSP_STAT_SUCCESS,
303 	NVSP_STAT_FAIL,
304 	NVSP_STAT_PROTOCOL_TOO_NEW,
305 	NVSP_STAT_PROTOCOL_TOO_OLD,
306 	NVSP_STAT_INVALID_RNDIS_PKT,
307 	NVSP_STAT_BUSY,
308 	NVSP_STAT_PROTOCOL_UNSUPPORTED,
309 	NVSP_STAT_MAX,
310 };
311 
312 struct nvsp_message_header {
313 	u32 msg_type;
314 };
315 
316 /* Init Messages */
317 
318 /*
319  * This message is used by the VSC to initialize the channel after the channels
320  * has been opened. This message should never include anything other then
321  * versioning (i.e. this message will be the same for ever).
322  */
323 struct nvsp_message_init {
324 	u32 min_protocol_ver;
325 	u32 max_protocol_ver;
326 } __packed;
327 
328 /*
329  * This message is used by the VSP to complete the initialization of the
330  * channel. This message should never include anything other then versioning
331  * (i.e. this message will be the same for ever).
332  */
333 struct nvsp_message_init_complete {
334 	u32 negotiated_protocol_ver;
335 	u32 max_mdl_chain_len;
336 	u32 status;
337 } __packed;
338 
339 union nvsp_message_init_uber {
340 	struct nvsp_message_init init;
341 	struct nvsp_message_init_complete init_complete;
342 } __packed;
343 
344 /* Version 1 Messages */
345 
346 /*
347  * This message is used by the VSC to send the NDIS version to the VSP. The VSP
348  * can use this information when handling OIDs sent by the VSC.
349  */
350 struct nvsp_1_message_send_ndis_version {
351 	u32 ndis_major_ver;
352 	u32 ndis_minor_ver;
353 } __packed;
354 
355 /*
356  * This message is used by the VSC to send a receive buffer to the VSP. The VSP
357  * can then use the receive buffer to send data to the VSC.
358  */
359 struct nvsp_1_message_send_receive_buffer {
360 	u32 gpadl_handle;
361 	u16 id;
362 } __packed;
363 
364 struct nvsp_1_receive_buffer_section {
365 	u32 offset;
366 	u32 sub_alloc_size;
367 	u32 num_sub_allocs;
368 	u32 end_offset;
369 } __packed;
370 
371 /*
372  * This message is used by the VSP to acknowledge a receive buffer send by the
373  * VSC. This message must be sent by the VSP before the VSP uses the receive
374  * buffer.
375  */
376 struct nvsp_1_message_send_receive_buffer_complete {
377 	u32 status;
378 	u32 num_sections;
379 
380 	/*
381 	 * The receive buffer is split into two parts, a large suballocation
382 	 * section and a small suballocation section. These sections are then
383 	 * suballocated by a certain size.
384 	 */
385 
386 	/*
387 	 * For example, the following break up of the receive buffer has 6
388 	 * large suballocations and 10 small suballocations.
389 	 */
390 
391 	/*
392 	 * |            Large Section          |  |   Small Section   |
393 	 * ------------------------------------------------------------
394 	 * |     |     |     |     |     |     |  | | | | | | | | | | |
395 	 * |                                      |
396 	 *  LargeOffset                            SmallOffset
397 	 */
398 
399 	struct nvsp_1_receive_buffer_section sections[1];
400 } __packed;
401 
402 /*
403  * This message is sent by the VSC to revoke the receive buffer.  After the VSP
404  * completes this transaction, the vsp should never use the receive buffer
405  * again.
406  */
407 struct nvsp_1_message_revoke_receive_buffer {
408 	u16 id;
409 };
410 
411 /*
412  * This message is used by the VSC to send a send buffer to the VSP. The VSC
413  * can then use the send buffer to send data to the VSP.
414  */
415 struct nvsp_1_message_send_send_buffer {
416 	u32 gpadl_handle;
417 	u16 id;
418 } __packed;
419 
420 /*
421  * This message is used by the VSP to acknowledge a send buffer sent by the
422  * VSC. This message must be sent by the VSP before the VSP uses the sent
423  * buffer.
424  */
425 struct nvsp_1_message_send_send_buffer_complete {
426 	u32 status;
427 
428 	/*
429 	 * The VSC gets to choose the size of the send buffer and the VSP gets
430 	 * to choose the sections size of the buffer.  This was done to enable
431 	 * dynamic reconfigurations when the cost of GPA-direct buffers
432 	 * decreases.
433 	 */
434 	u32 section_size;
435 } __packed;
436 
437 /*
438  * This message is sent by the VSC to revoke the send buffer.  After the VSP
439  * completes this transaction, the vsp should never use the send buffer again.
440  */
441 struct nvsp_1_message_revoke_send_buffer {
442 	u16 id;
443 };
444 
445 /*
446  * This message is used by both the VSP and the VSC to send a RNDIS message to
447  * the opposite channel endpoint.
448  */
449 struct nvsp_1_message_send_rndis_packet {
450 	/*
451 	 * This field is specified by RNDIS. They assume there's two different
452 	 * channels of communication. However, the Network VSP only has one.
453 	 * Therefore, the channel travels with the RNDIS packet.
454 	 */
455 	u32 channel_type;
456 
457 	/*
458 	 * This field is used to send part or all of the data through a send
459 	 * buffer. This values specifies an index into the send buffer. If the
460 	 * index is 0xFFFFFFFF, then the send buffer is not being used and all
461 	 * of the data was sent through other VMBus mechanisms.
462 	 */
463 	u32 send_buf_section_index;
464 	u32 send_buf_section_size;
465 } __packed;
466 
467 /*
468  * This message is used by both the VSP and the VSC to complete a RNDIS message
469  * to the opposite channel endpoint. At this point, the initiator of this
470  * message cannot use any resources associated with the original RNDIS packet.
471  */
472 struct nvsp_1_message_send_rndis_packet_complete {
473 	u32 status;
474 };
475 
476 union nvsp_1_message_uber {
477 	struct nvsp_1_message_send_ndis_version send_ndis_ver;
478 
479 	struct nvsp_1_message_send_receive_buffer send_recv_buf;
480 	struct nvsp_1_message_send_receive_buffer_complete
481 						send_recv_buf_complete;
482 	struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
483 
484 	struct nvsp_1_message_send_send_buffer send_send_buf;
485 	struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
486 	struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
487 
488 	struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
489 	struct nvsp_1_message_send_rndis_packet_complete
490 						send_rndis_pkt_complete;
491 } __packed;
492 
493 
494 /*
495  * Network VSP protocol version 2 messages:
496  */
497 struct nvsp_2_vsc_capability {
498 	union {
499 		u64 data;
500 		struct {
501 			u64 vmq:1;
502 			u64 chimney:1;
503 			u64 sriov:1;
504 			u64 ieee8021q:1;
505 			u64 correlation_id:1;
506 			u64 teaming:1;
507 		};
508 	};
509 } __packed;
510 
511 struct nvsp_2_send_ndis_config {
512 	u32 mtu;
513 	u32 reserved;
514 	struct nvsp_2_vsc_capability capability;
515 } __packed;
516 
517 /* Allocate receive buffer */
518 struct nvsp_2_alloc_rxbuf {
519 	/* Allocation ID to match the allocation request and response */
520 	u32 alloc_id;
521 
522 	/* Length of the VM shared memory receive buffer that needs to
523 	 * be allocated
524 	 */
525 	u32 len;
526 } __packed;
527 
528 /* Allocate receive buffer complete */
529 struct nvsp_2_alloc_rxbuf_comp {
530 	/* The NDIS_STATUS code for buffer allocation */
531 	u32 status;
532 
533 	u32 alloc_id;
534 
535 	/* GPADL handle for the allocated receive buffer */
536 	u32 gpadl_handle;
537 
538 	/* Receive buffer ID */
539 	u64 recv_buf_id;
540 } __packed;
541 
542 struct nvsp_2_free_rxbuf {
543 	u64 recv_buf_id;
544 } __packed;
545 
546 union nvsp_2_message_uber {
547 	struct nvsp_2_send_ndis_config send_ndis_config;
548 	struct nvsp_2_alloc_rxbuf alloc_rxbuf;
549 	struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
550 	struct nvsp_2_free_rxbuf free_rxbuf;
551 } __packed;
552 
553 struct nvsp_4_send_vf_association {
554 	/* 1: allocated, serial number is valid. 0: not allocated */
555 	u32 allocated;
556 
557 	/* Serial number of the VF to team with */
558 	u32 serial;
559 } __packed;
560 
561 enum nvsp_vm_datapath {
562 	NVSP_DATAPATH_SYNTHETIC = 0,
563 	NVSP_DATAPATH_VF,
564 	NVSP_DATAPATH_MAX
565 };
566 
567 struct nvsp_4_sw_datapath {
568 	u32 active_datapath; /* active data path in VM */
569 } __packed;
570 
571 union nvsp_4_message_uber {
572 	struct nvsp_4_send_vf_association vf_assoc;
573 	struct nvsp_4_sw_datapath active_dp;
574 } __packed;
575 
576 enum nvsp_subchannel_operation {
577 	NVSP_SUBCHANNEL_NONE = 0,
578 	NVSP_SUBCHANNEL_ALLOCATE,
579 	NVSP_SUBCHANNEL_MAX
580 };
581 
582 struct nvsp_5_subchannel_request {
583 	u32 op;
584 	u32 num_subchannels;
585 } __packed;
586 
587 struct nvsp_5_subchannel_complete {
588 	u32 status;
589 	u32 num_subchannels; /* Actual number of subchannels allocated */
590 } __packed;
591 
592 struct nvsp_5_send_indirect_table {
593 	/* The number of entries in the send indirection table */
594 	u32 count;
595 
596 	/* The offset of the send indirection table from top of this struct.
597 	 * The send indirection table tells which channel to put the send
598 	 * traffic on. Each entry is a channel number.
599 	 */
600 	u32 offset;
601 } __packed;
602 
603 union nvsp_5_message_uber {
604 	struct nvsp_5_subchannel_request subchn_req;
605 	struct nvsp_5_subchannel_complete subchn_comp;
606 	struct nvsp_5_send_indirect_table send_table;
607 } __packed;
608 
609 union nvsp_all_messages {
610 	union nvsp_message_init_uber init_msg;
611 	union nvsp_1_message_uber v1_msg;
612 	union nvsp_2_message_uber v2_msg;
613 	union nvsp_4_message_uber v4_msg;
614 	union nvsp_5_message_uber v5_msg;
615 } __packed;
616 
617 /* ALL Messages */
618 struct nvsp_message {
619 	struct nvsp_message_header hdr;
620 	union nvsp_all_messages msg;
621 } __packed;
622 
623 
624 #define NETVSC_MTU 65535
625 #define NETVSC_MTU_MIN ETH_MIN_MTU
626 
627 #define NETVSC_RECEIVE_BUFFER_SIZE		(1024*1024*16)	/* 16MB */
628 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY	(1024*1024*15)  /* 15MB */
629 #define NETVSC_SEND_BUFFER_SIZE			(1024 * 1024 * 15)   /* 15MB */
630 #define NETVSC_INVALID_INDEX			-1
631 
632 
633 #define NETVSC_RECEIVE_BUFFER_ID		0xcafe
634 #define NETVSC_SEND_BUFFER_ID			0
635 
636 #define NETVSC_PACKET_SIZE                      4096
637 
638 #define VRSS_SEND_TAB_SIZE 16  /* must be power of 2 */
639 #define VRSS_CHANNEL_MAX 64
640 #define VRSS_CHANNEL_DEFAULT 8
641 
642 #define RNDIS_MAX_PKT_DEFAULT 8
643 #define RNDIS_PKT_ALIGN_DEFAULT 8
644 
645 struct multi_send_data {
646 	struct sk_buff *skb; /* skb containing the pkt */
647 	struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
648 	u32 count; /* counter of batched packets */
649 };
650 
651 struct recv_comp_data {
652 	u64 tid; /* transaction id */
653 	u32 status;
654 };
655 
656 /* Netvsc Receive Slots Max */
657 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
658 
659 struct multi_recv_comp {
660 	void *buf; /* queued receive completions */
661 	u32 first; /* first data entry */
662 	u32 next; /* next entry for writing */
663 };
664 
665 struct netvsc_stats {
666 	u64 packets;
667 	u64 bytes;
668 	u64 broadcast;
669 	u64 multicast;
670 	struct u64_stats_sync syncp;
671 };
672 
673 struct netvsc_ethtool_stats {
674 	unsigned long tx_scattered;
675 	unsigned long tx_no_memory;
676 	unsigned long tx_no_space;
677 	unsigned long tx_too_big;
678 	unsigned long tx_busy;
679 };
680 
681 struct netvsc_reconfig {
682 	struct list_head list;
683 	u32 event;
684 };
685 
686 /* The context of the netvsc device  */
687 struct net_device_context {
688 	/* point back to our device context */
689 	struct hv_device *device_ctx;
690 	/* netvsc_device */
691 	struct netvsc_device __rcu *nvdev;
692 	/* reconfigure work */
693 	struct delayed_work dwork;
694 	/* last reconfig time */
695 	unsigned long last_reconfig;
696 	/* reconfig events */
697 	struct list_head reconfig_events;
698 	/* list protection */
699 	spinlock_t lock;
700 
701 	u32 msg_enable; /* debug level */
702 
703 	u32 tx_checksum_mask;
704 
705 	u32 tx_send_table[VRSS_SEND_TAB_SIZE];
706 
707 	/* Ethtool settings */
708 	u8 duplex;
709 	u32 speed;
710 	struct netvsc_ethtool_stats eth_stats;
711 
712 	/* State to manage the associated VF interface. */
713 	struct net_device __rcu *vf_netdev;
714 
715 	/* 1: allocated, serial number is valid. 0: not allocated */
716 	u32 vf_alloc;
717 	/* Serial number of the VF to team with */
718 	u32 vf_serial;
719 };
720 
721 /* Per channel data */
722 struct netvsc_channel {
723 	struct vmbus_channel *channel;
724 	const struct vmpacket_descriptor *desc;
725 	struct napi_struct napi;
726 	struct multi_send_data msd;
727 	struct multi_recv_comp mrc;
728 	atomic_t queue_sends;
729 
730 	struct netvsc_stats tx_stats;
731 	struct netvsc_stats rx_stats;
732 };
733 
734 /* Per netvsc device */
735 struct netvsc_device {
736 	u32 nvsp_version;
737 
738 	wait_queue_head_t wait_drain;
739 	bool destroy;
740 
741 	/* Receive buffer allocated by us but manages by NetVSP */
742 	void *recv_buf;
743 	u32 recv_buf_size;
744 	u32 recv_buf_gpadl_handle;
745 	u32 recv_section_cnt;
746 	struct nvsp_1_receive_buffer_section *recv_section;
747 
748 	/* Send buffer allocated by us */
749 	void *send_buf;
750 	u32 send_buf_size;
751 	u32 send_buf_gpadl_handle;
752 	u32 send_section_cnt;
753 	u32 send_section_size;
754 	unsigned long *send_section_map;
755 
756 	/* Used for NetVSP initialization protocol */
757 	struct completion channel_init_wait;
758 	struct nvsp_message channel_init_pkt;
759 
760 	struct nvsp_message revoke_packet;
761 
762 	u32 max_chn;
763 	u32 num_chn;
764 
765 	refcount_t sc_offered;
766 
767 	/* Holds rndis device info */
768 	void *extension;
769 
770 	int ring_size;
771 
772 	u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
773 	u32 pkt_align; /* alignment bytes, e.g. 8 */
774 
775 	atomic_t num_outstanding_recvs;
776 
777 	atomic_t open_cnt;
778 
779 	struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
780 
781 	struct rcu_head rcu;
782 };
783 
784 static inline struct netvsc_device *
785 net_device_to_netvsc_device(struct net_device *ndev)
786 {
787 	return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
788 }
789 
790 static inline struct netvsc_device *
791 hv_device_to_netvsc_device(struct hv_device *device)
792 {
793 	return net_device_to_netvsc_device(hv_get_drvdata(device));
794 }
795 
796 /* NdisInitialize message */
797 struct rndis_initialize_request {
798 	u32 req_id;
799 	u32 major_ver;
800 	u32 minor_ver;
801 	u32 max_xfer_size;
802 };
803 
804 /* Response to NdisInitialize */
805 struct rndis_initialize_complete {
806 	u32 req_id;
807 	u32 status;
808 	u32 major_ver;
809 	u32 minor_ver;
810 	u32 dev_flags;
811 	u32 medium;
812 	u32 max_pkt_per_msg;
813 	u32 max_xfer_size;
814 	u32 pkt_alignment_factor;
815 	u32 af_list_offset;
816 	u32 af_list_size;
817 };
818 
819 /* Call manager devices only: Information about an address family */
820 /* supported by the device is appended to the response to NdisInitialize. */
821 struct rndis_co_address_family {
822 	u32 address_family;
823 	u32 major_ver;
824 	u32 minor_ver;
825 };
826 
827 /* NdisHalt message */
828 struct rndis_halt_request {
829 	u32 req_id;
830 };
831 
832 /* NdisQueryRequest message */
833 struct rndis_query_request {
834 	u32 req_id;
835 	u32 oid;
836 	u32 info_buflen;
837 	u32 info_buf_offset;
838 	u32 dev_vc_handle;
839 };
840 
841 /* Response to NdisQueryRequest */
842 struct rndis_query_complete {
843 	u32 req_id;
844 	u32 status;
845 	u32 info_buflen;
846 	u32 info_buf_offset;
847 };
848 
849 /* NdisSetRequest message */
850 struct rndis_set_request {
851 	u32 req_id;
852 	u32 oid;
853 	u32 info_buflen;
854 	u32 info_buf_offset;
855 	u32 dev_vc_handle;
856 };
857 
858 /* Response to NdisSetRequest */
859 struct rndis_set_complete {
860 	u32 req_id;
861 	u32 status;
862 };
863 
864 /* NdisReset message */
865 struct rndis_reset_request {
866 	u32 reserved;
867 };
868 
869 /* Response to NdisReset */
870 struct rndis_reset_complete {
871 	u32 status;
872 	u32 addressing_reset;
873 };
874 
875 /* NdisMIndicateStatus message */
876 struct rndis_indicate_status {
877 	u32 status;
878 	u32 status_buflen;
879 	u32 status_buf_offset;
880 };
881 
882 /* Diagnostic information passed as the status buffer in */
883 /* struct rndis_indicate_status messages signifying error conditions. */
884 struct rndis_diagnostic_info {
885 	u32 diag_status;
886 	u32 error_offset;
887 };
888 
889 /* NdisKeepAlive message */
890 struct rndis_keepalive_request {
891 	u32 req_id;
892 };
893 
894 /* Response to NdisKeepAlive */
895 struct rndis_keepalive_complete {
896 	u32 req_id;
897 	u32 status;
898 };
899 
900 /*
901  * Data message. All Offset fields contain byte offsets from the beginning of
902  * struct rndis_packet. All Length fields are in bytes.  VcHandle is set
903  * to 0 for connectionless data, otherwise it contains the VC handle.
904  */
905 struct rndis_packet {
906 	u32 data_offset;
907 	u32 data_len;
908 	u32 oob_data_offset;
909 	u32 oob_data_len;
910 	u32 num_oob_data_elements;
911 	u32 per_pkt_info_offset;
912 	u32 per_pkt_info_len;
913 	u32 vc_handle;
914 	u32 reserved;
915 };
916 
917 /* Optional Out of Band data associated with a Data message. */
918 struct rndis_oobd {
919 	u32 size;
920 	u32 type;
921 	u32 class_info_offset;
922 };
923 
924 /* Packet extension field contents associated with a Data message. */
925 struct rndis_per_packet_info {
926 	u32 size;
927 	u32 type;
928 	u32 ppi_offset;
929 };
930 
931 enum ndis_per_pkt_info_type {
932 	TCPIP_CHKSUM_PKTINFO,
933 	IPSEC_PKTINFO,
934 	TCP_LARGESEND_PKTINFO,
935 	CLASSIFICATION_HANDLE_PKTINFO,
936 	NDIS_RESERVED,
937 	SG_LIST_PKTINFO,
938 	IEEE_8021Q_INFO,
939 	ORIGINAL_PKTINFO,
940 	PACKET_CANCEL_ID,
941 	NBL_HASH_VALUE = PACKET_CANCEL_ID,
942 	ORIGINAL_NET_BUFLIST,
943 	CACHED_NET_BUFLIST,
944 	SHORT_PKT_PADINFO,
945 	MAX_PER_PKT_INFO
946 };
947 
948 struct ndis_pkt_8021q_info {
949 	union {
950 		struct {
951 			u32 pri:3; /* User Priority */
952 			u32 cfi:1; /* Canonical Format ID */
953 			u32 vlanid:12; /* VLAN ID */
954 			u32 reserved:16;
955 		};
956 		u32 value;
957 	};
958 };
959 
960 struct ndis_object_header {
961 	u8 type;
962 	u8 revision;
963 	u16 size;
964 };
965 
966 #define NDIS_OBJECT_TYPE_DEFAULT	0x80
967 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
968 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
969 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
970 
971 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
972 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
973 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED  2
974 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED  2
975 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
976 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
977 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
978 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
979 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
980 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
981 
982 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE	1
983 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4	0
984 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6	1
985 
986 #define VERSION_4_OFFLOAD_SIZE			22
987 /*
988  * New offload OIDs for NDIS 6
989  */
990 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
991 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C		/* set only */
992 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
993 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
994 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
995 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
996 
997 /*
998  * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
999  * ndis_type: NDIS_OBJTYPE_OFFLOAD
1000  */
1001 
1002 #define	NDIS_OFFLOAD_ENCAP_NONE		0x0000
1003 #define	NDIS_OFFLOAD_ENCAP_NULL		0x0001
1004 #define	NDIS_OFFLOAD_ENCAP_8023		0x0002
1005 #define	NDIS_OFFLOAD_ENCAP_8023PQ	0x0004
1006 #define	NDIS_OFFLOAD_ENCAP_8023PQ_OOB	0x0008
1007 #define	NDIS_OFFLOAD_ENCAP_RFC1483	0x0010
1008 
1009 struct ndis_csum_offload {
1010 	u32	ip4_txenc;
1011 	u32	ip4_txcsum;
1012 #define	NDIS_TXCSUM_CAP_IP4OPT		0x001
1013 #define	NDIS_TXCSUM_CAP_TCP4OPT		0x004
1014 #define	NDIS_TXCSUM_CAP_TCP4		0x010
1015 #define	NDIS_TXCSUM_CAP_UDP4		0x040
1016 #define	NDIS_TXCSUM_CAP_IP4		0x100
1017 
1018 #define NDIS_TXCSUM_ALL_TCP4	(NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1019 
1020 	u32	ip4_rxenc;
1021 	u32	ip4_rxcsum;
1022 #define	NDIS_RXCSUM_CAP_IP4OPT		0x001
1023 #define	NDIS_RXCSUM_CAP_TCP4OPT		0x004
1024 #define	NDIS_RXCSUM_CAP_TCP4		0x010
1025 #define	NDIS_RXCSUM_CAP_UDP4		0x040
1026 #define	NDIS_RXCSUM_CAP_IP4		0x100
1027 	u32	ip6_txenc;
1028 	u32	ip6_txcsum;
1029 #define	NDIS_TXCSUM_CAP_IP6EXT		0x001
1030 #define	NDIS_TXCSUM_CAP_TCP6OPT		0x004
1031 #define	NDIS_TXCSUM_CAP_TCP6		0x010
1032 #define	NDIS_TXCSUM_CAP_UDP6		0x040
1033 	u32	ip6_rxenc;
1034 	u32	ip6_rxcsum;
1035 #define	NDIS_RXCSUM_CAP_IP6EXT		0x001
1036 #define	NDIS_RXCSUM_CAP_TCP6OPT		0x004
1037 #define	NDIS_RXCSUM_CAP_TCP6		0x010
1038 #define	NDIS_RXCSUM_CAP_UDP6		0x040
1039 
1040 #define NDIS_TXCSUM_ALL_TCP6	(NDIS_TXCSUM_CAP_TCP6 |		\
1041 				 NDIS_TXCSUM_CAP_TCP6OPT |	\
1042 				 NDIS_TXCSUM_CAP_IP6EXT)
1043 };
1044 
1045 struct ndis_lsov1_offload {
1046 	u32	encap;
1047 	u32	maxsize;
1048 	u32	minsegs;
1049 	u32	opts;
1050 };
1051 
1052 struct ndis_ipsecv1_offload {
1053 	u32	encap;
1054 	u32	ah_esp;
1055 	u32	xport_tun;
1056 	u32	ip4_opts;
1057 	u32	flags;
1058 	u32	ip4_ah;
1059 	u32	ip4_esp;
1060 };
1061 
1062 struct ndis_lsov2_offload {
1063 	u32	ip4_encap;
1064 	u32	ip4_maxsz;
1065 	u32	ip4_minsg;
1066 	u32	ip6_encap;
1067 	u32	ip6_maxsz;
1068 	u32	ip6_minsg;
1069 	u32	ip6_opts;
1070 #define	NDIS_LSOV2_CAP_IP6EXT		0x001
1071 #define	NDIS_LSOV2_CAP_TCP6OPT		0x004
1072 
1073 #define NDIS_LSOV2_CAP_IP6		(NDIS_LSOV2_CAP_IP6EXT | \
1074 					 NDIS_LSOV2_CAP_TCP6OPT)
1075 };
1076 
1077 struct ndis_ipsecv2_offload {
1078 	u32	encap;
1079 	u16	ip6;
1080 	u16	ip4opt;
1081 	u16	ip6ext;
1082 	u16	ah;
1083 	u16	esp;
1084 	u16	ah_esp;
1085 	u16	xport;
1086 	u16	tun;
1087 	u16	xport_tun;
1088 	u16	lso;
1089 	u16	extseq;
1090 	u32	udp_esp;
1091 	u32	auth;
1092 	u32	crypto;
1093 	u32	sa_caps;
1094 };
1095 
1096 struct ndis_rsc_offload {
1097 	u16	ip4;
1098 	u16	ip6;
1099 };
1100 
1101 struct ndis_encap_offload {
1102 	u32	flags;
1103 	u32	maxhdr;
1104 };
1105 
1106 struct ndis_offload {
1107 	struct ndis_object_header	header;
1108 	struct ndis_csum_offload	csum;
1109 	struct ndis_lsov1_offload	lsov1;
1110 	struct ndis_ipsecv1_offload	ipsecv1;
1111 	struct ndis_lsov2_offload	lsov2;
1112 	u32				flags;
1113 	/* NDIS >= 6.1 */
1114 	struct ndis_ipsecv2_offload	ipsecv2;
1115 	/* NDIS >= 6.30 */
1116 	struct ndis_rsc_offload		rsc;
1117 	struct ndis_encap_offload	encap_gre;
1118 };
1119 
1120 #define	NDIS_OFFLOAD_SIZE		sizeof(struct ndis_offload)
1121 #define	NDIS_OFFLOAD_SIZE_6_0		offsetof(struct ndis_offload, ipsecv2)
1122 #define	NDIS_OFFLOAD_SIZE_6_1		offsetof(struct ndis_offload, rsc)
1123 
1124 struct ndis_offload_params {
1125 	struct ndis_object_header header;
1126 	u8 ip_v4_csum;
1127 	u8 tcp_ip_v4_csum;
1128 	u8 udp_ip_v4_csum;
1129 	u8 tcp_ip_v6_csum;
1130 	u8 udp_ip_v6_csum;
1131 	u8 lso_v1;
1132 	u8 ip_sec_v1;
1133 	u8 lso_v2_ipv4;
1134 	u8 lso_v2_ipv6;
1135 	u8 tcp_connection_ip_v4;
1136 	u8 tcp_connection_ip_v6;
1137 	u32 flags;
1138 	u8 ip_sec_v2;
1139 	u8 ip_sec_v2_ip_v4;
1140 	struct {
1141 		u8 rsc_ip_v4;
1142 		u8 rsc_ip_v6;
1143 	};
1144 	struct {
1145 		u8 encapsulated_packet_task_offload;
1146 		u8 encapsulation_types;
1147 	};
1148 };
1149 
1150 struct ndis_tcp_ip_checksum_info {
1151 	union {
1152 		struct {
1153 			u32 is_ipv4:1;
1154 			u32 is_ipv6:1;
1155 			u32 tcp_checksum:1;
1156 			u32 udp_checksum:1;
1157 			u32 ip_header_checksum:1;
1158 			u32 reserved:11;
1159 			u32 tcp_header_offset:10;
1160 		} transmit;
1161 		struct {
1162 			u32 tcp_checksum_failed:1;
1163 			u32 udp_checksum_failed:1;
1164 			u32 ip_checksum_failed:1;
1165 			u32 tcp_checksum_succeeded:1;
1166 			u32 udp_checksum_succeeded:1;
1167 			u32 ip_checksum_succeeded:1;
1168 			u32 loopback:1;
1169 			u32 tcp_checksum_value_invalid:1;
1170 			u32 ip_checksum_value_invalid:1;
1171 		} receive;
1172 		u32  value;
1173 	};
1174 };
1175 
1176 struct ndis_tcp_lso_info {
1177 	union {
1178 		struct {
1179 			u32 unused:30;
1180 			u32 type:1;
1181 			u32 reserved2:1;
1182 		} transmit;
1183 		struct {
1184 			u32 mss:20;
1185 			u32 tcp_header_offset:10;
1186 			u32 type:1;
1187 			u32 reserved2:1;
1188 		} lso_v1_transmit;
1189 		struct {
1190 			u32 tcp_payload:30;
1191 			u32 type:1;
1192 			u32 reserved2:1;
1193 		} lso_v1_transmit_complete;
1194 		struct {
1195 			u32 mss:20;
1196 			u32 tcp_header_offset:10;
1197 			u32 type:1;
1198 			u32 ip_version:1;
1199 		} lso_v2_transmit;
1200 		struct {
1201 			u32 reserved:30;
1202 			u32 type:1;
1203 			u32 reserved2:1;
1204 		} lso_v2_transmit_complete;
1205 		u32  value;
1206 	};
1207 };
1208 
1209 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1210 		sizeof(struct ndis_pkt_8021q_info))
1211 
1212 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1213 		sizeof(struct ndis_tcp_ip_checksum_info))
1214 
1215 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1216 		sizeof(struct ndis_tcp_lso_info))
1217 
1218 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1219 		sizeof(u32))
1220 
1221 /* Total size of all PPI data */
1222 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1223 			   NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1224 
1225 /* Format of Information buffer passed in a SetRequest for the OID */
1226 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1227 struct rndis_config_parameter_info {
1228 	u32 parameter_name_offset;
1229 	u32 parameter_name_length;
1230 	u32 parameter_type;
1231 	u32 parameter_value_offset;
1232 	u32 parameter_value_length;
1233 };
1234 
1235 /* Values for ParameterType in struct rndis_config_parameter_info */
1236 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER     0
1237 #define RNDIS_CONFIG_PARAM_TYPE_STRING      2
1238 
1239 /* CONDIS Miniport messages for connection oriented devices */
1240 /* that do not implement a call manager. */
1241 
1242 /* CoNdisMiniportCreateVc message */
1243 struct rcondis_mp_create_vc {
1244 	u32 req_id;
1245 	u32 ndis_vc_handle;
1246 };
1247 
1248 /* Response to CoNdisMiniportCreateVc */
1249 struct rcondis_mp_create_vc_complete {
1250 	u32 req_id;
1251 	u32 dev_vc_handle;
1252 	u32 status;
1253 };
1254 
1255 /* CoNdisMiniportDeleteVc message */
1256 struct rcondis_mp_delete_vc {
1257 	u32 req_id;
1258 	u32 dev_vc_handle;
1259 };
1260 
1261 /* Response to CoNdisMiniportDeleteVc */
1262 struct rcondis_mp_delete_vc_complete {
1263 	u32 req_id;
1264 	u32 status;
1265 };
1266 
1267 /* CoNdisMiniportQueryRequest message */
1268 struct rcondis_mp_query_request {
1269 	u32 req_id;
1270 	u32 request_type;
1271 	u32 oid;
1272 	u32 dev_vc_handle;
1273 	u32 info_buflen;
1274 	u32 info_buf_offset;
1275 };
1276 
1277 /* CoNdisMiniportSetRequest message */
1278 struct rcondis_mp_set_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 /* CoNdisIndicateStatus message */
1288 struct rcondis_indicate_status {
1289 	u32 ndis_vc_handle;
1290 	u32 status;
1291 	u32 status_buflen;
1292 	u32 status_buf_offset;
1293 };
1294 
1295 /* CONDIS Call/VC parameters */
1296 struct rcondis_specific_parameters {
1297 	u32 parameter_type;
1298 	u32 parameter_length;
1299 	u32 parameter_lffset;
1300 };
1301 
1302 struct rcondis_media_parameters {
1303 	u32 flags;
1304 	u32 reserved1;
1305 	u32 reserved2;
1306 	struct rcondis_specific_parameters media_specific;
1307 };
1308 
1309 struct rndis_flowspec {
1310 	u32 token_rate;
1311 	u32 token_bucket_size;
1312 	u32 peak_bandwidth;
1313 	u32 latency;
1314 	u32 delay_variation;
1315 	u32 service_type;
1316 	u32 max_sdu_size;
1317 	u32 minimum_policed_size;
1318 };
1319 
1320 struct rcondis_call_manager_parameters {
1321 	struct rndis_flowspec transmit;
1322 	struct rndis_flowspec receive;
1323 	struct rcondis_specific_parameters call_mgr_specific;
1324 };
1325 
1326 /* CoNdisMiniportActivateVc message */
1327 struct rcondis_mp_activate_vc_request {
1328 	u32 req_id;
1329 	u32 flags;
1330 	u32 dev_vc_handle;
1331 	u32 media_params_offset;
1332 	u32 media_params_length;
1333 	u32 call_mgr_params_offset;
1334 	u32 call_mgr_params_length;
1335 };
1336 
1337 /* Response to CoNdisMiniportActivateVc */
1338 struct rcondis_mp_activate_vc_complete {
1339 	u32 req_id;
1340 	u32 status;
1341 };
1342 
1343 /* CoNdisMiniportDeactivateVc message */
1344 struct rcondis_mp_deactivate_vc_request {
1345 	u32 req_id;
1346 	u32 flags;
1347 	u32 dev_vc_handle;
1348 };
1349 
1350 /* Response to CoNdisMiniportDeactivateVc */
1351 struct rcondis_mp_deactivate_vc_complete {
1352 	u32 req_id;
1353 	u32 status;
1354 };
1355 
1356 
1357 /* union with all of the RNDIS messages */
1358 union rndis_message_container {
1359 	struct rndis_packet pkt;
1360 	struct rndis_initialize_request init_req;
1361 	struct rndis_halt_request halt_req;
1362 	struct rndis_query_request query_req;
1363 	struct rndis_set_request set_req;
1364 	struct rndis_reset_request reset_req;
1365 	struct rndis_keepalive_request keep_alive_req;
1366 	struct rndis_indicate_status indicate_status;
1367 	struct rndis_initialize_complete init_complete;
1368 	struct rndis_query_complete query_complete;
1369 	struct rndis_set_complete set_complete;
1370 	struct rndis_reset_complete reset_complete;
1371 	struct rndis_keepalive_complete keep_alive_complete;
1372 	struct rcondis_mp_create_vc co_miniport_create_vc;
1373 	struct rcondis_mp_delete_vc co_miniport_delete_vc;
1374 	struct rcondis_indicate_status co_indicate_status;
1375 	struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1376 	struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1377 	struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1378 	struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1379 	struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1380 	struct rcondis_mp_deactivate_vc_complete
1381 		co_miniport_deactivate_vc_complete;
1382 };
1383 
1384 /* Remote NDIS message format */
1385 struct rndis_message {
1386 	u32 ndis_msg_type;
1387 
1388 	/* Total length of this message, from the beginning */
1389 	/* of the struct rndis_message, in bytes. */
1390 	u32 msg_len;
1391 
1392 	/* Actual message */
1393 	union rndis_message_container msg;
1394 };
1395 
1396 
1397 /* Handy macros */
1398 
1399 /* get the size of an RNDIS message. Pass in the message type, */
1400 /* struct rndis_set_request, struct rndis_packet for example */
1401 #define RNDIS_MESSAGE_SIZE(msg)				\
1402 	(sizeof(msg) + (sizeof(struct rndis_message) -	\
1403 	 sizeof(union rndis_message_container)))
1404 
1405 /* get pointer to info buffer with message pointer */
1406 #define MESSAGE_TO_INFO_BUFFER(msg)				\
1407 	(((unsigned char *)(msg)) + msg->info_buf_offset)
1408 
1409 /* get pointer to status buffer with message pointer */
1410 #define MESSAGE_TO_STATUS_BUFFER(msg)			\
1411 	(((unsigned char *)(msg)) + msg->status_buf_offset)
1412 
1413 /* get pointer to OOBD buffer with message pointer */
1414 #define MESSAGE_TO_OOBD_BUFFER(msg)				\
1415 	(((unsigned char *)(msg)) + msg->oob_data_offset)
1416 
1417 /* get pointer to data buffer with message pointer */
1418 #define MESSAGE_TO_DATA_BUFFER(msg)				\
1419 	(((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1420 
1421 /* get pointer to contained message from NDIS_MESSAGE pointer */
1422 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg)		\
1423 	((void *) &rndis_msg->msg)
1424 
1425 /* get pointer to contained message from NDIS_MESSAGE pointer */
1426 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg)	\
1427 	((void *) rndis_msg)
1428 
1429 
1430 
1431 #define RNDIS_HEADER_SIZE	(sizeof(struct rndis_message) - \
1432 				 sizeof(union rndis_message_container))
1433 
1434 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1435 
1436 #define NDIS_PACKET_TYPE_DIRECTED	0x00000001
1437 #define NDIS_PACKET_TYPE_MULTICAST	0x00000002
1438 #define NDIS_PACKET_TYPE_ALL_MULTICAST	0x00000004
1439 #define NDIS_PACKET_TYPE_BROADCAST	0x00000008
1440 #define NDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
1441 #define NDIS_PACKET_TYPE_PROMISCUOUS	0x00000020
1442 #define NDIS_PACKET_TYPE_SMT		0x00000040
1443 #define NDIS_PACKET_TYPE_ALL_LOCAL	0x00000080
1444 #define NDIS_PACKET_TYPE_GROUP		0x00000100
1445 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00000200
1446 #define NDIS_PACKET_TYPE_FUNCTIONAL	0x00000400
1447 #define NDIS_PACKET_TYPE_MAC_FRAME	0x00000800
1448 
1449 #define TRANSPORT_INFO_NOT_IP   0
1450 #define TRANSPORT_INFO_IPV4_TCP 0x01
1451 #define TRANSPORT_INFO_IPV4_UDP 0x02
1452 #define TRANSPORT_INFO_IPV6_TCP 0x10
1453 #define TRANSPORT_INFO_IPV6_UDP 0x20
1454 
1455 #endif /* _HYPERV_NET_H */
1456