hv_netvsc: pass struct net_device to rndis_filter_set_offload_params()
[deliverable/linux.git] / drivers / net / hyperv / hyperv_net.h
CommitLineData
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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
adf8d3ff 15 * this program; if not, see <http://www.gnu.org/licenses/>.
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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
8a079411 27#include <linux/list.h>
46a97191 28#include <linux/hyperv.h>
7591157e 29#include <linux/rndis.h>
41308862 30
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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
38#define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
39#define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
40
41struct ndis_obj_header {
42 u8 type;
43 u8 rev;
44 u16 size;
45} __packed;
46
47/* ndis_recv_scale_cap/cap_flag */
48#define NDIS_RSS_CAPS_MESSAGE_SIGNALED_INTERRUPTS 0x01000000
49#define NDIS_RSS_CAPS_CLASSIFICATION_AT_ISR 0x02000000
50#define NDIS_RSS_CAPS_CLASSIFICATION_AT_DPC 0x04000000
51#define NDIS_RSS_CAPS_USING_MSI_X 0x08000000
52#define NDIS_RSS_CAPS_RSS_AVAILABLE_ON_PORTS 0x10000000
53#define NDIS_RSS_CAPS_SUPPORTS_MSI_X 0x20000000
54#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV4 0x00000100
55#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6 0x00000200
56#define NDIS_RSS_CAPS_HASH_TYPE_TCP_IPV6_EX 0x00000400
57
58struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */
59 struct ndis_obj_header hdr;
60 u32 cap_flag;
61 u32 num_int_msg;
62 u32 num_recv_que;
63 u16 num_indirect_tabent;
64} __packed;
65
66
67/* ndis_recv_scale_param flags */
68#define NDIS_RSS_PARAM_FLAG_BASE_CPU_UNCHANGED 0x0001
69#define NDIS_RSS_PARAM_FLAG_HASH_INFO_UNCHANGED 0x0002
70#define NDIS_RSS_PARAM_FLAG_ITABLE_UNCHANGED 0x0004
71#define NDIS_RSS_PARAM_FLAG_HASH_KEY_UNCHANGED 0x0008
72#define NDIS_RSS_PARAM_FLAG_DISABLE_RSS 0x0010
73
74/* Hash info bits */
75#define NDIS_HASH_FUNC_TOEPLITZ 0x00000001
76#define NDIS_HASH_IPV4 0x00000100
77#define NDIS_HASH_TCP_IPV4 0x00000200
78#define NDIS_HASH_IPV6 0x00000400
79#define NDIS_HASH_IPV6_EX 0x00000800
80#define NDIS_HASH_TCP_IPV6 0x00001000
81#define NDIS_HASH_TCP_IPV6_EX 0x00002000
82
83#define NDIS_RSS_INDIRECTION_TABLE_MAX_SIZE_REVISION_2 (128 * 4)
84#define NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2 40
85
86#define ITAB_NUM 128
87#define HASH_KEYLEN NDIS_RSS_HASH_SECRET_KEY_MAX_SIZE_REVISION_2
88extern u8 netvsc_hash_key[];
89
90struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */
91 struct ndis_obj_header hdr;
92
93 /* Qualifies the rest of the information */
94 u16 flag;
95
96 /* The base CPU number to do receive processing. not used */
97 u16 base_cpu_number;
98
99 /* This describes the hash function and type being enabled */
100 u32 hashinfo;
101
102 /* The size of indirection table array */
103 u16 indirect_tabsize;
104
105 /* The offset of the indirection table from the beginning of this
106 * structure
107 */
108 u32 indirect_taboffset;
109
110 /* The size of the hash secret key */
111 u16 hashkey_size;
112
113 /* The offset of the secret key from the beginning of this structure */
114 u32 kashkey_offset;
115
116 u32 processor_masks_offset;
117 u32 num_processor_masks;
118 u32 processor_masks_entry_size;
119};
120
41308862 121/* Fwd declaration */
e3d605ed 122struct ndis_tcp_ip_checksum_info;
41308862 123
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124/*
125 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
126 * within the RNDIS
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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.
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130 */
131struct hv_netvsc_packet {
132 /* Bookkeeping stuff */
22e9dd24 133 u8 cp_partial; /* partial copy into send buffer */
aa0a34be 134
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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;
41308862 138
5b54dac8 139 u16 q_idx;
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140 u32 send_buf_index;
141
142 u32 total_data_buflen;
41308862 143};
41308862 144
41308862 145struct netvsc_device_info {
9a4c831e 146 unsigned char mac_adr[ETH_ALEN];
41308862 147 bool link_state; /* 0 - link up, 1 - link down */
78001df3 148 int ring_size;
e01ec219 149 u32 max_num_vrss_chns;
8ebdcc52 150 u32 num_chn;
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151};
152
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153enum rndis_device_state {
154 RNDIS_DEV_UNINITIALIZED = 0,
155 RNDIS_DEV_INITIALIZING,
156 RNDIS_DEV_INITIALIZED,
157 RNDIS_DEV_DATAINITIALIZED,
158};
159
160struct rndis_device {
3d541ac5 161 struct net_device *ndev;
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162
163 enum rndis_device_state state;
164 bool link_state;
165 atomic_t new_req_id;
166
167 spinlock_t request_lock;
168 struct list_head req_list;
169
170 unsigned char hw_mac_adr[ETH_ALEN];
171};
172
173
41308862 174/* Interface */
24476760 175struct rndis_message;
2f5fa6c8 176struct netvsc_device;
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177int netvsc_device_add(struct hv_device *device, void *additional_info);
178int netvsc_device_remove(struct hv_device *device);
f9819f05 179int netvsc_send(struct hv_device *device,
24476760 180 struct hv_netvsc_packet *packet,
a9f2e2d6 181 struct rndis_message *rndis_msg,
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182 struct hv_page_buffer **page_buffer,
183 struct sk_buff *skb);
90ef117a 184void netvsc_linkstatus_callback(struct hv_device *device_obj,
3a494e71 185 struct rndis_message *resp);
f79adf8f 186int netvsc_recv_callback(struct hv_device *device_obj,
e3d605ed 187 struct hv_netvsc_packet *packet,
c4b20c63 188 void **data,
25b85ee8 189 struct ndis_tcp_ip_checksum_info *csum_info,
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190 struct vmbus_channel *channel,
191 u16 vlan_tci);
5b54dac8 192void netvsc_channel_cb(void *context);
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193int rndis_filter_open(struct netvsc_device *nvdev);
194int rndis_filter_close(struct netvsc_device *nvdev);
bdbad576 195int rndis_filter_device_add(struct hv_device *dev,
41308862 196 void *additional_info);
df06bcff 197void rndis_filter_device_remove(struct hv_device *dev);
5fcc4115 198int rndis_filter_receive(struct hv_device *dev,
25b85ee8 199 struct hv_netvsc_packet *pkt,
c4b20c63 200 void **data,
25b85ee8 201 struct vmbus_channel *channel);
0652aebc 202
d426b2e3 203int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
e834da9a 204int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
d426b2e3 205
0a1275ca 206void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
84bf9cef 207
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208#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
209
210#define NVSP_PROTOCOL_VERSION_1 2
f157e78d 211#define NVSP_PROTOCOL_VERSION_2 0x30002
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212#define NVSP_PROTOCOL_VERSION_4 0x40000
213#define NVSP_PROTOCOL_VERSION_5 0x50000
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214
215enum {
216 NVSP_MSG_TYPE_NONE = 0,
217
218 /* Init Messages */
219 NVSP_MSG_TYPE_INIT = 1,
220 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
221
222 NVSP_VERSION_MSG_START = 100,
223
224 /* Version 1 Messages */
225 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
226
227 NVSP_MSG1_TYPE_SEND_RECV_BUF,
228 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
229 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
230
231 NVSP_MSG1_TYPE_SEND_SEND_BUF,
232 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
233 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
234
235 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
236 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
237
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238 /* Version 2 messages */
239 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
240 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
241 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
242
243 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
244
245 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
246 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
247
248 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
249
250 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
251 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
252
253 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
254 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
255
256 NVSP_MSG2_TYPE_ALLOC_RXBUF,
257 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
258
259 NVSP_MSG2_TYPE_FREE_RXBUF,
260
261 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
262 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
263
264 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
265
266 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
267 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
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268
269 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
270
271 /* Version 4 messages */
272 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
273 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
274 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
275
276 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
277
278 /* Version 5 messages */
279 NVSP_MSG5_TYPE_OID_QUERY_EX,
280 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
281 NVSP_MSG5_TYPE_SUBCHANNEL,
282 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
283
284 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
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285};
286
287enum {
288 NVSP_STAT_NONE = 0,
289 NVSP_STAT_SUCCESS,
290 NVSP_STAT_FAIL,
291 NVSP_STAT_PROTOCOL_TOO_NEW,
292 NVSP_STAT_PROTOCOL_TOO_OLD,
293 NVSP_STAT_INVALID_RNDIS_PKT,
294 NVSP_STAT_BUSY,
f157e78d 295 NVSP_STAT_PROTOCOL_UNSUPPORTED,
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296 NVSP_STAT_MAX,
297};
298
299struct nvsp_message_header {
300 u32 msg_type;
301};
302
303/* Init Messages */
304
305/*
306 * This message is used by the VSC to initialize the channel after the channels
307 * has been opened. This message should never include anything other then
308 * versioning (i.e. this message will be the same for ever).
309 */
310struct nvsp_message_init {
311 u32 min_protocol_ver;
312 u32 max_protocol_ver;
313} __packed;
314
315/*
316 * This message is used by the VSP to complete the initialization of the
317 * channel. This message should never include anything other then versioning
318 * (i.e. this message will be the same for ever).
319 */
320struct nvsp_message_init_complete {
321 u32 negotiated_protocol_ver;
322 u32 max_mdl_chain_len;
323 u32 status;
324} __packed;
325
326union nvsp_message_init_uber {
327 struct nvsp_message_init init;
328 struct nvsp_message_init_complete init_complete;
329} __packed;
330
331/* Version 1 Messages */
332
333/*
334 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
335 * can use this information when handling OIDs sent by the VSC.
336 */
337struct nvsp_1_message_send_ndis_version {
338 u32 ndis_major_ver;
339 u32 ndis_minor_ver;
340} __packed;
341
342/*
343 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
344 * can then use the receive buffer to send data to the VSC.
345 */
346struct nvsp_1_message_send_receive_buffer {
347 u32 gpadl_handle;
348 u16 id;
349} __packed;
350
351struct nvsp_1_receive_buffer_section {
352 u32 offset;
353 u32 sub_alloc_size;
354 u32 num_sub_allocs;
355 u32 end_offset;
356} __packed;
357
358/*
359 * This message is used by the VSP to acknowledge a receive buffer send by the
360 * VSC. This message must be sent by the VSP before the VSP uses the receive
361 * buffer.
362 */
363struct nvsp_1_message_send_receive_buffer_complete {
364 u32 status;
365 u32 num_sections;
366
367 /*
368 * The receive buffer is split into two parts, a large suballocation
369 * section and a small suballocation section. These sections are then
370 * suballocated by a certain size.
371 */
372
373 /*
374 * For example, the following break up of the receive buffer has 6
375 * large suballocations and 10 small suballocations.
376 */
377
378 /*
379 * | Large Section | | Small Section |
380 * ------------------------------------------------------------
381 * | | | | | | | | | | | | | | | | | |
382 * | |
383 * LargeOffset SmallOffset
384 */
385
386 struct nvsp_1_receive_buffer_section sections[1];
387} __packed;
388
389/*
390 * This message is sent by the VSC to revoke the receive buffer. After the VSP
391 * completes this transaction, the vsp should never use the receive buffer
392 * again.
393 */
394struct nvsp_1_message_revoke_receive_buffer {
395 u16 id;
396};
397
398/*
399 * This message is used by the VSC to send a send buffer to the VSP. The VSC
400 * can then use the send buffer to send data to the VSP.
401 */
402struct nvsp_1_message_send_send_buffer {
403 u32 gpadl_handle;
404 u16 id;
405} __packed;
406
407/*
408 * This message is used by the VSP to acknowledge a send buffer sent by the
409 * VSC. This message must be sent by the VSP before the VSP uses the sent
410 * buffer.
411 */
412struct nvsp_1_message_send_send_buffer_complete {
413 u32 status;
414
415 /*
416 * The VSC gets to choose the size of the send buffer and the VSP gets
417 * to choose the sections size of the buffer. This was done to enable
418 * dynamic reconfigurations when the cost of GPA-direct buffers
419 * decreases.
420 */
421 u32 section_size;
422} __packed;
423
424/*
425 * This message is sent by the VSC to revoke the send buffer. After the VSP
426 * completes this transaction, the vsp should never use the send buffer again.
427 */
428struct nvsp_1_message_revoke_send_buffer {
429 u16 id;
430};
431
432/*
433 * This message is used by both the VSP and the VSC to send a RNDIS message to
434 * the opposite channel endpoint.
435 */
436struct nvsp_1_message_send_rndis_packet {
437 /*
438 * This field is specified by RNIDS. They assume there's two different
439 * channels of communication. However, the Network VSP only has one.
440 * Therefore, the channel travels with the RNDIS packet.
441 */
442 u32 channel_type;
443
444 /*
445 * This field is used to send part or all of the data through a send
446 * buffer. This values specifies an index into the send buffer. If the
447 * index is 0xFFFFFFFF, then the send buffer is not being used and all
448 * of the data was sent through other VMBus mechanisms.
449 */
450 u32 send_buf_section_index;
451 u32 send_buf_section_size;
452} __packed;
453
454/*
455 * This message is used by both the VSP and the VSC to complete a RNDIS message
456 * to the opposite channel endpoint. At this point, the initiator of this
457 * message cannot use any resources associated with the original RNDIS packet.
458 */
459struct nvsp_1_message_send_rndis_packet_complete {
460 u32 status;
461};
462
463union nvsp_1_message_uber {
464 struct nvsp_1_message_send_ndis_version send_ndis_ver;
465
466 struct nvsp_1_message_send_receive_buffer send_recv_buf;
467 struct nvsp_1_message_send_receive_buffer_complete
468 send_recv_buf_complete;
469 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
470
471 struct nvsp_1_message_send_send_buffer send_send_buf;
472 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
473 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
474
475 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
476 struct nvsp_1_message_send_rndis_packet_complete
477 send_rndis_pkt_complete;
478} __packed;
479
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480
481/*
482 * Network VSP protocol version 2 messages:
483 */
484struct nvsp_2_vsc_capability {
485 union {
486 u64 data;
487 struct {
488 u64 vmq:1;
489 u64 chimney:1;
490 u64 sriov:1;
491 u64 ieee8021q:1;
492 u64 correlation_id:1;
493 };
494 };
495} __packed;
496
497struct nvsp_2_send_ndis_config {
498 u32 mtu;
499 u32 reserved;
500 struct nvsp_2_vsc_capability capability;
501} __packed;
502
503/* Allocate receive buffer */
504struct nvsp_2_alloc_rxbuf {
505 /* Allocation ID to match the allocation request and response */
506 u32 alloc_id;
507
508 /* Length of the VM shared memory receive buffer that needs to
509 * be allocated
510 */
511 u32 len;
512} __packed;
513
514/* Allocate receive buffer complete */
515struct nvsp_2_alloc_rxbuf_comp {
516 /* The NDIS_STATUS code for buffer allocation */
517 u32 status;
518
519 u32 alloc_id;
520
521 /* GPADL handle for the allocated receive buffer */
522 u32 gpadl_handle;
523
524 /* Receive buffer ID */
525 u64 recv_buf_id;
526} __packed;
527
528struct nvsp_2_free_rxbuf {
529 u64 recv_buf_id;
530} __packed;
531
532union nvsp_2_message_uber {
533 struct nvsp_2_send_ndis_config send_ndis_config;
534 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
535 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
536 struct nvsp_2_free_rxbuf free_rxbuf;
537} __packed;
538
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539struct nvsp_4_send_vf_association {
540 /* 1: allocated, serial number is valid. 0: not allocated */
541 u32 allocated;
542
543 /* Serial number of the VF to team with */
544 u32 serial;
545} __packed;
546
547enum nvsp_vm_datapath {
548 NVSP_DATAPATH_SYNTHETIC = 0,
549 NVSP_DATAPATH_VF,
550 NVSP_DATAPATH_MAX
551};
552
553struct nvsp_4_sw_datapath {
554 u32 active_datapath; /* active data path in VM */
555} __packed;
556
557union nvsp_4_message_uber {
558 struct nvsp_4_send_vf_association vf_assoc;
559 struct nvsp_4_sw_datapath active_dp;
560} __packed;
561
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562enum nvsp_subchannel_operation {
563 NVSP_SUBCHANNEL_NONE = 0,
564 NVSP_SUBCHANNEL_ALLOCATE,
565 NVSP_SUBCHANNEL_MAX
566};
567
568struct nvsp_5_subchannel_request {
569 u32 op;
570 u32 num_subchannels;
571} __packed;
572
573struct nvsp_5_subchannel_complete {
574 u32 status;
575 u32 num_subchannels; /* Actual number of subchannels allocated */
576} __packed;
577
578struct nvsp_5_send_indirect_table {
579 /* The number of entries in the send indirection table */
580 u32 count;
581
582 /* The offset of the send indireciton table from top of this struct.
583 * The send indirection table tells which channel to put the send
584 * traffic on. Each entry is a channel number.
585 */
586 u32 offset;
587} __packed;
588
589union nvsp_5_message_uber {
590 struct nvsp_5_subchannel_request subchn_req;
591 struct nvsp_5_subchannel_complete subchn_comp;
592 struct nvsp_5_send_indirect_table send_table;
593} __packed;
594
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595union nvsp_all_messages {
596 union nvsp_message_init_uber init_msg;
597 union nvsp_1_message_uber v1_msg;
f157e78d 598 union nvsp_2_message_uber v2_msg;
71790a27 599 union nvsp_4_message_uber v4_msg;
a1eabb01 600 union nvsp_5_message_uber v5_msg;
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601} __packed;
602
603/* ALL Messages */
604struct nvsp_message {
605 struct nvsp_message_header hdr;
606 union nvsp_all_messages msg;
607} __packed;
608
609
4d447c9a 610#define NETVSC_MTU 65536
f9cbce34 611#define NETVSC_MTU_MIN 68
52584904 612
b679ef73 613#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
99d3016d 614#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
be136ed3 615#define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
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616#define NETVSC_INVALID_INDEX -1
617
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618
619#define NETVSC_RECEIVE_BUFFER_ID 0xcafe
c51ed182 620#define NETVSC_SEND_BUFFER_ID 0
52584904 621
f90251c8 622#define NETVSC_PACKET_SIZE 4096
52584904 623
5b54dac8 624#define VRSS_SEND_TAB_SIZE 16
9efc2f7d 625#define VRSS_CHANNEL_MAX 64
5b54dac8 626
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627#define RNDIS_MAX_PKT_DEFAULT 8
628#define RNDIS_PKT_ALIGN_DEFAULT 8
629
630struct multi_send_data {
c85e4924 631 struct sk_buff *skb; /* skb containing the pkt */
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632 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
633 u32 count; /* counter of batched packets */
634};
635
7eafd9b4 636struct netvsc_stats {
637 u64 packets;
638 u64 bytes;
4b02b58b 639 struct u64_stats_sync syncp;
7eafd9b4 640};
641
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642struct netvsc_reconfig {
643 struct list_head list;
644 u32 event;
645};
646
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647struct garp_wrk {
648 struct work_struct dwrk;
649 struct net_device *netdev;
650 struct netvsc_device *netvsc_dev;
651};
652
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653/* The context of the netvsc device */
654struct net_device_context {
655 /* point back to our device context */
656 struct hv_device *device_ctx;
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657 /* netvsc_device */
658 struct netvsc_device *nvdev;
27a70af3 659 /* reconfigure work */
3f300ff4 660 struct delayed_work dwork;
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661 /* last reconfig time */
662 unsigned long last_reconfig;
663 /* reconfig events */
664 struct list_head reconfig_events;
665 /* list protection */
666 spinlock_t lock;
667
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668 struct work_struct work;
669 u32 msg_enable; /* debug level */
84bf9cef 670 struct garp_wrk gwrk;
7eafd9b4 671
672 struct netvsc_stats __percpu *tx_stats;
673 struct netvsc_stats __percpu *rx_stats;
49eb9389 674
675 /* Ethtool settings */
676 u8 duplex;
677 u32 speed;
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678
679 /* the device is going away */
680 bool start_remove;
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681};
682
7c3877f2 683/* Per netvsc device */
52584904 684struct netvsc_device {
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685 u32 nvsp_version;
686
52584904 687 atomic_t num_outstanding_sends;
dc5cd894 688 wait_queue_head_t wait_drain;
c38b9c71 689 bool destroy;
52584904 690
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691 /* Receive buffer allocated by us but manages by NetVSP */
692 void *recv_buf;
693 u32 recv_buf_size;
694 u32 recv_buf_gpadl_handle;
695 u32 recv_section_cnt;
696 struct nvsp_1_receive_buffer_section *recv_section;
697
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698 /* Send buffer allocated by us */
699 void *send_buf;
700 u32 send_buf_size;
701 u32 send_buf_gpadl_handle;
702 u32 send_section_cnt;
703 u32 send_section_size;
704 unsigned long *send_section_map;
705 int map_words;
706
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707 /* Used for NetVSP initialization protocol */
708 struct completion channel_init_wait;
709 struct nvsp_message channel_init_pkt;
710
711 struct nvsp_message revoke_packet;
712 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
713
9efc2f7d 714 struct vmbus_channel *chn_table[VRSS_CHANNEL_MAX];
5b54dac8 715 u32 send_table[VRSS_SEND_TAB_SIZE];
59995370 716 u32 max_chn;
5b54dac8 717 u32 num_chn;
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718 spinlock_t sc_lock; /* Protects num_sc_offered variable */
719 u32 num_sc_offered;
9efc2f7d 720 atomic_t queue_sends[VRSS_CHANNEL_MAX];
5b54dac8 721
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722 /* Holds rndis device info */
723 void *extension;
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724
725 int ring_size;
726
727 /* The primary channel callback buffer */
f90251c8 728 unsigned char *cb_buffer;
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729 /* The sub channel callback buffer */
730 unsigned char *sub_cb_buf;
7c3877f2 731
9efc2f7d 732 struct multi_send_data msd[VRSS_CHANNEL_MAX];
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733 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
734 u32 pkt_align; /* alignment bytes, e.g. 8 */
3f300ff4 735
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736 /* 1: allocated, serial number is valid. 0: not allocated */
737 u32 vf_alloc;
738 /* Serial number of the VF to team with */
739 u32 vf_serial;
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740 atomic_t open_cnt;
741 /* State to manage the associated VF interface. */
742 bool vf_inject;
743 struct net_device *vf_netdev;
744 atomic_t vf_use_cnt;
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745};
746
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747static inline struct netvsc_device *
748net_device_to_netvsc_device(struct net_device *ndev)
749{
750 return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
751}
752
753static inline struct netvsc_device *
754hv_device_to_netvsc_device(struct hv_device *device)
755{
756 return net_device_to_netvsc_device(hv_get_drvdata(device));
757}
758
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759/* NdisInitialize message */
760struct rndis_initialize_request {
761 u32 req_id;
762 u32 major_ver;
763 u32 minor_ver;
764 u32 max_xfer_size;
765};
766
767/* Response to NdisInitialize */
768struct rndis_initialize_complete {
769 u32 req_id;
770 u32 status;
771 u32 major_ver;
772 u32 minor_ver;
773 u32 dev_flags;
774 u32 medium;
775 u32 max_pkt_per_msg;
776 u32 max_xfer_size;
777 u32 pkt_alignment_factor;
778 u32 af_list_offset;
779 u32 af_list_size;
780};
781
782/* Call manager devices only: Information about an address family */
783/* supported by the device is appended to the response to NdisInitialize. */
784struct rndis_co_address_family {
785 u32 address_family;
786 u32 major_ver;
787 u32 minor_ver;
788};
789
790/* NdisHalt message */
791struct rndis_halt_request {
792 u32 req_id;
793};
794
795/* NdisQueryRequest message */
796struct rndis_query_request {
797 u32 req_id;
798 u32 oid;
799 u32 info_buflen;
800 u32 info_buf_offset;
801 u32 dev_vc_handle;
802};
803
804/* Response to NdisQueryRequest */
805struct rndis_query_complete {
806 u32 req_id;
807 u32 status;
808 u32 info_buflen;
809 u32 info_buf_offset;
810};
811
812/* NdisSetRequest message */
813struct rndis_set_request {
814 u32 req_id;
815 u32 oid;
816 u32 info_buflen;
817 u32 info_buf_offset;
818 u32 dev_vc_handle;
819};
820
821/* Response to NdisSetRequest */
822struct rndis_set_complete {
823 u32 req_id;
824 u32 status;
825};
826
827/* NdisReset message */
828struct rndis_reset_request {
829 u32 reserved;
830};
831
832/* Response to NdisReset */
833struct rndis_reset_complete {
834 u32 status;
835 u32 addressing_reset;
836};
837
838/* NdisMIndicateStatus message */
839struct rndis_indicate_status {
840 u32 status;
841 u32 status_buflen;
842 u32 status_buf_offset;
843};
844
845/* Diagnostic information passed as the status buffer in */
846/* struct rndis_indicate_status messages signifying error conditions. */
847struct rndis_diagnostic_info {
848 u32 diag_status;
849 u32 error_offset;
850};
851
852/* NdisKeepAlive message */
853struct rndis_keepalive_request {
854 u32 req_id;
855};
856
857/* Response to NdisKeepAlive */
858struct rndis_keepalive_complete {
859 u32 req_id;
860 u32 status;
861};
862
863/*
864 * Data message. All Offset fields contain byte offsets from the beginning of
865 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
866 * to 0 for connectionless data, otherwise it contains the VC handle.
867 */
868struct rndis_packet {
869 u32 data_offset;
870 u32 data_len;
871 u32 oob_data_offset;
872 u32 oob_data_len;
873 u32 num_oob_data_elements;
874 u32 per_pkt_info_offset;
875 u32 per_pkt_info_len;
876 u32 vc_handle;
877 u32 reserved;
878};
879
880/* Optional Out of Band data associated with a Data message. */
881struct rndis_oobd {
882 u32 size;
883 u32 type;
884 u32 class_info_offset;
885};
886
887/* Packet extension field contents associated with a Data message. */
888struct rndis_per_packet_info {
889 u32 size;
890 u32 type;
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891 u32 ppi_offset;
892};
893
894enum ndis_per_pkt_info_type {
895 TCPIP_CHKSUM_PKTINFO,
896 IPSEC_PKTINFO,
897 TCP_LARGESEND_PKTINFO,
898 CLASSIFICATION_HANDLE_PKTINFO,
899 NDIS_RESERVED,
900 SG_LIST_PKTINFO,
901 IEEE_8021Q_INFO,
902 ORIGINAL_PKTINFO,
903 PACKET_CANCEL_ID,
307f0995 904 NBL_HASH_VALUE = PACKET_CANCEL_ID,
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905 ORIGINAL_NET_BUFLIST,
906 CACHED_NET_BUFLIST,
907 SHORT_PKT_PADINFO,
908 MAX_PER_PKT_INFO
909};
910
911struct ndis_pkt_8021q_info {
912 union {
913 struct {
914 u32 pri:3; /* User Priority */
915 u32 cfi:1; /* Canonical Format ID */
916 u32 vlanid:12; /* VLAN ID */
917 u32 reserved:16;
918 };
919 u32 value;
920 };
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921};
922
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923struct ndis_oject_header {
924 u8 type;
925 u8 revision;
926 u16 size;
927};
928
929#define NDIS_OBJECT_TYPE_DEFAULT 0x80
930#define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
931#define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
932#define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
933#define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
934#define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
935#define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
936#define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
937#define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
938#define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
939#define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
940#define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
941
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942#define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
943#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
944#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
945
af9893a3 946#define VERSION_4_OFFLOAD_SIZE 22
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947/*
948 * New offload OIDs for NDIS 6
949 */
950#define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
951#define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
952#define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
953#define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
954#define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
955#define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
956
957struct ndis_offload_params {
958 struct ndis_oject_header header;
959 u8 ip_v4_csum;
960 u8 tcp_ip_v4_csum;
961 u8 udp_ip_v4_csum;
962 u8 tcp_ip_v6_csum;
963 u8 udp_ip_v6_csum;
964 u8 lso_v1;
965 u8 ip_sec_v1;
966 u8 lso_v2_ipv4;
967 u8 lso_v2_ipv6;
968 u8 tcp_connection_ip_v4;
969 u8 tcp_connection_ip_v6;
970 u32 flags;
971 u8 ip_sec_v2;
972 u8 ip_sec_v2_ip_v4;
973 struct {
974 u8 rsc_ip_v4;
975 u8 rsc_ip_v6;
976 };
977 struct {
978 u8 encapsulated_packet_task_offload;
979 u8 encapsulation_types;
980 };
981};
982
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983struct ndis_tcp_ip_checksum_info {
984 union {
985 struct {
986 u32 is_ipv4:1;
987 u32 is_ipv6:1;
988 u32 tcp_checksum:1;
989 u32 udp_checksum:1;
990 u32 ip_header_checksum:1;
991 u32 reserved:11;
992 u32 tcp_header_offset:10;
993 } transmit;
994 struct {
995 u32 tcp_checksum_failed:1;
996 u32 udp_checksum_failed:1;
997 u32 ip_checksum_failed:1;
998 u32 tcp_checksum_succeeded:1;
999 u32 udp_checksum_succeeded:1;
1000 u32 ip_checksum_succeeded:1;
1001 u32 loopback:1;
1002 u32 tcp_checksum_value_invalid:1;
1003 u32 ip_checksum_value_invalid:1;
1004 } receive;
1005 u32 value;
1006 };
1007};
1008
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1009struct ndis_tcp_lso_info {
1010 union {
1011 struct {
1012 u32 unused:30;
1013 u32 type:1;
1014 u32 reserved2:1;
1015 } transmit;
1016 struct {
1017 u32 mss:20;
1018 u32 tcp_header_offset:10;
1019 u32 type:1;
1020 u32 reserved2:1;
1021 } lso_v1_transmit;
1022 struct {
1023 u32 tcp_payload:30;
1024 u32 type:1;
1025 u32 reserved2:1;
1026 } lso_v1_transmit_complete;
1027 struct {
1028 u32 mss:20;
1029 u32 tcp_header_offset:10;
1030 u32 type:1;
1031 u32 ip_version:1;
1032 } lso_v2_transmit;
1033 struct {
1034 u32 reserved:30;
1035 u32 type:1;
1036 u32 reserved2:1;
1037 } lso_v2_transmit_complete;
1038 u32 value;
1039 };
1040};
1041
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1042#define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1043 sizeof(struct ndis_pkt_8021q_info))
1044
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1045#define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1046 sizeof(struct ndis_tcp_ip_checksum_info))
1047
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1048#define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1049 sizeof(struct ndis_tcp_lso_info))
1050
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1051#define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1052 sizeof(u32))
1053
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1054/* Total size of all PPI data */
1055#define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1056 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1057
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1058/* Format of Information buffer passed in a SetRequest for the OID */
1059/* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1060struct rndis_config_parameter_info {
1061 u32 parameter_name_offset;
1062 u32 parameter_name_length;
1063 u32 parameter_type;
1064 u32 parameter_value_offset;
1065 u32 parameter_value_length;
1066};
1067
1068/* Values for ParameterType in struct rndis_config_parameter_info */
1069#define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1070#define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1071
1072/* CONDIS Miniport messages for connection oriented devices */
1073/* that do not implement a call manager. */
1074
1075/* CoNdisMiniportCreateVc message */
1076struct rcondis_mp_create_vc {
1077 u32 req_id;
1078 u32 ndis_vc_handle;
1079};
1080
1081/* Response to CoNdisMiniportCreateVc */
1082struct rcondis_mp_create_vc_complete {
1083 u32 req_id;
1084 u32 dev_vc_handle;
1085 u32 status;
1086};
1087
1088/* CoNdisMiniportDeleteVc message */
1089struct rcondis_mp_delete_vc {
1090 u32 req_id;
1091 u32 dev_vc_handle;
1092};
1093
1094/* Response to CoNdisMiniportDeleteVc */
1095struct rcondis_mp_delete_vc_complete {
1096 u32 req_id;
1097 u32 status;
1098};
1099
1100/* CoNdisMiniportQueryRequest message */
1101struct rcondis_mp_query_request {
1102 u32 req_id;
1103 u32 request_type;
1104 u32 oid;
1105 u32 dev_vc_handle;
1106 u32 info_buflen;
1107 u32 info_buf_offset;
1108};
1109
1110/* CoNdisMiniportSetRequest message */
1111struct rcondis_mp_set_request {
1112 u32 req_id;
1113 u32 request_type;
1114 u32 oid;
1115 u32 dev_vc_handle;
1116 u32 info_buflen;
1117 u32 info_buf_offset;
1118};
1119
1120/* CoNdisIndicateStatus message */
1121struct rcondis_indicate_status {
1122 u32 ndis_vc_handle;
1123 u32 status;
1124 u32 status_buflen;
1125 u32 status_buf_offset;
1126};
1127
1128/* CONDIS Call/VC parameters */
1129struct rcondis_specific_parameters {
1130 u32 parameter_type;
1131 u32 parameter_length;
1132 u32 parameter_lffset;
1133};
1134
1135struct rcondis_media_parameters {
1136 u32 flags;
1137 u32 reserved1;
1138 u32 reserved2;
1139 struct rcondis_specific_parameters media_specific;
1140};
1141
1142struct rndis_flowspec {
1143 u32 token_rate;
1144 u32 token_bucket_size;
1145 u32 peak_bandwidth;
1146 u32 latency;
1147 u32 delay_variation;
1148 u32 service_type;
1149 u32 max_sdu_size;
1150 u32 minimum_policed_size;
1151};
1152
1153struct rcondis_call_manager_parameters {
1154 struct rndis_flowspec transmit;
1155 struct rndis_flowspec receive;
1156 struct rcondis_specific_parameters call_mgr_specific;
1157};
1158
1159/* CoNdisMiniportActivateVc message */
1160struct rcondis_mp_activate_vc_request {
1161 u32 req_id;
1162 u32 flags;
1163 u32 dev_vc_handle;
1164 u32 media_params_offset;
1165 u32 media_params_length;
1166 u32 call_mgr_params_offset;
1167 u32 call_mgr_params_length;
1168};
1169
1170/* Response to CoNdisMiniportActivateVc */
1171struct rcondis_mp_activate_vc_complete {
1172 u32 req_id;
1173 u32 status;
1174};
1175
1176/* CoNdisMiniportDeactivateVc message */
1177struct rcondis_mp_deactivate_vc_request {
1178 u32 req_id;
1179 u32 flags;
1180 u32 dev_vc_handle;
1181};
1182
1183/* Response to CoNdisMiniportDeactivateVc */
1184struct rcondis_mp_deactivate_vc_complete {
1185 u32 req_id;
1186 u32 status;
1187};
1188
1189
1190/* union with all of the RNDIS messages */
1191union rndis_message_container {
1192 struct rndis_packet pkt;
1193 struct rndis_initialize_request init_req;
1194 struct rndis_halt_request halt_req;
1195 struct rndis_query_request query_req;
1196 struct rndis_set_request set_req;
1197 struct rndis_reset_request reset_req;
1198 struct rndis_keepalive_request keep_alive_req;
1199 struct rndis_indicate_status indicate_status;
1200 struct rndis_initialize_complete init_complete;
1201 struct rndis_query_complete query_complete;
1202 struct rndis_set_complete set_complete;
1203 struct rndis_reset_complete reset_complete;
1204 struct rndis_keepalive_complete keep_alive_complete;
1205 struct rcondis_mp_create_vc co_miniport_create_vc;
1206 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1207 struct rcondis_indicate_status co_indicate_status;
1208 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1209 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1210 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1211 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1212 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1213 struct rcondis_mp_deactivate_vc_complete
1214 co_miniport_deactivate_vc_complete;
1215};
1216
1217/* Remote NDIS message format */
1218struct rndis_message {
1219 u32 ndis_msg_type;
1220
1221 /* Total length of this message, from the beginning */
1222 /* of the sruct rndis_message, in bytes. */
1223 u32 msg_len;
1224
1225 /* Actual message */
1226 union rndis_message_container msg;
1227};
1228
9dbfd150 1229
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1230/* Handy macros */
1231
1232/* get the size of an RNDIS message. Pass in the message type, */
1233/* struct rndis_set_request, struct rndis_packet for example */
1234#define RNDIS_MESSAGE_SIZE(msg) \
1235 (sizeof(msg) + (sizeof(struct rndis_message) - \
1236 sizeof(union rndis_message_container)))
1237
1238/* get pointer to info buffer with message pointer */
1239#define MESSAGE_TO_INFO_BUFFER(msg) \
1240 (((unsigned char *)(msg)) + msg->info_buf_offset)
1241
1242/* get pointer to status buffer with message pointer */
1243#define MESSAGE_TO_STATUS_BUFFER(msg) \
1244 (((unsigned char *)(msg)) + msg->status_buf_offset)
1245
1246/* get pointer to OOBD buffer with message pointer */
1247#define MESSAGE_TO_OOBD_BUFFER(msg) \
1248 (((unsigned char *)(msg)) + msg->oob_data_offset)
1249
1250/* get pointer to data buffer with message pointer */
1251#define MESSAGE_TO_DATA_BUFFER(msg) \
1252 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1253
1254/* get pointer to contained message from NDIS_MESSAGE pointer */
1255#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1256 ((void *) &rndis_msg->msg)
1257
1258/* get pointer to contained message from NDIS_MESSAGE pointer */
1259#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1260 ((void *) rndis_msg)
1261
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1262
1263#define __struct_bcount(x)
1264
1265
1266
1267#define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1268 sizeof(union rndis_message_container))
1269
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1270#define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1271
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1272#define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1273#define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1274#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1275#define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1276#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1277#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1278#define NDIS_PACKET_TYPE_SMT 0x00000040
1279#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1280#define NDIS_PACKET_TYPE_GROUP 0x00000100
1281#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1282#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1283#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1284
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1285#define INFO_IPV4 2
1286#define INFO_IPV6 4
1287#define INFO_TCP 2
1288#define INFO_UDP 4
1289
1290#define TRANSPORT_INFO_NOT_IP 0
1291#define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1292#define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1293#define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1294#define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
299d0925 1295
5ca7252a 1296#endif /* _HYPERV_NET_H */
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