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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
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 u8 hw_mac_adr[ETH_ALEN];
175 u8 rss_key[NETVSC_HASH_KEYLEN];
176 u16 ind_table[ITAB_NUM];
177 };
178
179
180 /* Interface */
181 struct rndis_message;
182 struct netvsc_device;
183 int netvsc_device_add(struct hv_device *device,
184 const struct netvsc_device_info *info);
185 void netvsc_device_remove(struct hv_device *device);
186 int netvsc_send(struct hv_device *device,
187 struct hv_netvsc_packet *packet,
188 struct rndis_message *rndis_msg,
189 struct hv_page_buffer **page_buffer,
190 struct sk_buff *skb);
191 void netvsc_linkstatus_callback(struct hv_device *device_obj,
192 struct rndis_message *resp);
193 int netvsc_recv_callback(struct net_device *net,
194 struct vmbus_channel *channel,
195 void *data, u32 len,
196 const struct ndis_tcp_ip_checksum_info *csum_info,
197 const struct ndis_pkt_8021q_info *vlan);
198 void netvsc_channel_cb(void *context);
199 int rndis_filter_open(struct netvsc_device *nvdev);
200 int rndis_filter_close(struct netvsc_device *nvdev);
201 int rndis_filter_device_add(struct hv_device *dev,
202 struct netvsc_device_info *info);
203 void rndis_filter_device_remove(struct hv_device *dev,
204 struct netvsc_device *nvdev);
205 int rndis_filter_set_rss_param(struct rndis_device *rdev,
206 const u8 *key, int num_queue);
207 int rndis_filter_receive(struct net_device *ndev,
208 struct netvsc_device *net_dev,
209 struct hv_device *dev,
210 struct vmbus_channel *channel,
211 void *data, u32 buflen);
212
213 int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
214 int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
215
216 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
217
218 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
219
220 #define NVSP_PROTOCOL_VERSION_1 2
221 #define NVSP_PROTOCOL_VERSION_2 0x30002
222 #define NVSP_PROTOCOL_VERSION_4 0x40000
223 #define NVSP_PROTOCOL_VERSION_5 0x50000
224
225 enum {
226 NVSP_MSG_TYPE_NONE = 0,
227
228 /* Init Messages */
229 NVSP_MSG_TYPE_INIT = 1,
230 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
231
232 NVSP_VERSION_MSG_START = 100,
233
234 /* Version 1 Messages */
235 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
236
237 NVSP_MSG1_TYPE_SEND_RECV_BUF,
238 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
239 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
240
241 NVSP_MSG1_TYPE_SEND_SEND_BUF,
242 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
243 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
244
245 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
246 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
247
248 /* Version 2 messages */
249 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
250 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
251 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
252
253 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
254
255 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
256 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
257
258 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
259
260 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
261 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
262
263 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
264 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
265
266 NVSP_MSG2_TYPE_ALLOC_RXBUF,
267 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
268
269 NVSP_MSG2_TYPE_FREE_RXBUF,
270
271 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
272 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
273
274 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
275
276 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
277 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
278
279 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
280
281 /* Version 4 messages */
282 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
283 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
284 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
285
286 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
287
288 /* Version 5 messages */
289 NVSP_MSG5_TYPE_OID_QUERY_EX,
290 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
291 NVSP_MSG5_TYPE_SUBCHANNEL,
292 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
293
294 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
295 };
296
297 enum {
298 NVSP_STAT_NONE = 0,
299 NVSP_STAT_SUCCESS,
300 NVSP_STAT_FAIL,
301 NVSP_STAT_PROTOCOL_TOO_NEW,
302 NVSP_STAT_PROTOCOL_TOO_OLD,
303 NVSP_STAT_INVALID_RNDIS_PKT,
304 NVSP_STAT_BUSY,
305 NVSP_STAT_PROTOCOL_UNSUPPORTED,
306 NVSP_STAT_MAX,
307 };
308
309 struct nvsp_message_header {
310 u32 msg_type;
311 };
312
313 /* Init Messages */
314
315 /*
316 * This message is used by the VSC to initialize the channel after the channels
317 * has been opened. This message should never include anything other then
318 * versioning (i.e. this message will be the same for ever).
319 */
320 struct nvsp_message_init {
321 u32 min_protocol_ver;
322 u32 max_protocol_ver;
323 } __packed;
324
325 /*
326 * This message is used by the VSP to complete the initialization of the
327 * channel. This message should never include anything other then versioning
328 * (i.e. this message will be the same for ever).
329 */
330 struct nvsp_message_init_complete {
331 u32 negotiated_protocol_ver;
332 u32 max_mdl_chain_len;
333 u32 status;
334 } __packed;
335
336 union nvsp_message_init_uber {
337 struct nvsp_message_init init;
338 struct nvsp_message_init_complete init_complete;
339 } __packed;
340
341 /* Version 1 Messages */
342
343 /*
344 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
345 * can use this information when handling OIDs sent by the VSC.
346 */
347 struct nvsp_1_message_send_ndis_version {
348 u32 ndis_major_ver;
349 u32 ndis_minor_ver;
350 } __packed;
351
352 /*
353 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
354 * can then use the receive buffer to send data to the VSC.
355 */
356 struct nvsp_1_message_send_receive_buffer {
357 u32 gpadl_handle;
358 u16 id;
359 } __packed;
360
361 struct nvsp_1_receive_buffer_section {
362 u32 offset;
363 u32 sub_alloc_size;
364 u32 num_sub_allocs;
365 u32 end_offset;
366 } __packed;
367
368 /*
369 * This message is used by the VSP to acknowledge a receive buffer send by the
370 * VSC. This message must be sent by the VSP before the VSP uses the receive
371 * buffer.
372 */
373 struct nvsp_1_message_send_receive_buffer_complete {
374 u32 status;
375 u32 num_sections;
376
377 /*
378 * The receive buffer is split into two parts, a large suballocation
379 * section and a small suballocation section. These sections are then
380 * suballocated by a certain size.
381 */
382
383 /*
384 * For example, the following break up of the receive buffer has 6
385 * large suballocations and 10 small suballocations.
386 */
387
388 /*
389 * | Large Section | | Small Section |
390 * ------------------------------------------------------------
391 * | | | | | | | | | | | | | | | | | |
392 * | |
393 * LargeOffset SmallOffset
394 */
395
396 struct nvsp_1_receive_buffer_section sections[1];
397 } __packed;
398
399 /*
400 * This message is sent by the VSC to revoke the receive buffer. After the VSP
401 * completes this transaction, the vsp should never use the receive buffer
402 * again.
403 */
404 struct nvsp_1_message_revoke_receive_buffer {
405 u16 id;
406 };
407
408 /*
409 * This message is used by the VSC to send a send buffer to the VSP. The VSC
410 * can then use the send buffer to send data to the VSP.
411 */
412 struct nvsp_1_message_send_send_buffer {
413 u32 gpadl_handle;
414 u16 id;
415 } __packed;
416
417 /*
418 * This message is used by the VSP to acknowledge a send buffer sent by the
419 * VSC. This message must be sent by the VSP before the VSP uses the sent
420 * buffer.
421 */
422 struct nvsp_1_message_send_send_buffer_complete {
423 u32 status;
424
425 /*
426 * The VSC gets to choose the size of the send buffer and the VSP gets
427 * to choose the sections size of the buffer. This was done to enable
428 * dynamic reconfigurations when the cost of GPA-direct buffers
429 * decreases.
430 */
431 u32 section_size;
432 } __packed;
433
434 /*
435 * This message is sent by the VSC to revoke the send buffer. After the VSP
436 * completes this transaction, the vsp should never use the send buffer again.
437 */
438 struct nvsp_1_message_revoke_send_buffer {
439 u16 id;
440 };
441
442 /*
443 * This message is used by both the VSP and the VSC to send a RNDIS message to
444 * the opposite channel endpoint.
445 */
446 struct nvsp_1_message_send_rndis_packet {
447 /*
448 * This field is specified by RNDIS. They assume there's two different
449 * channels of communication. However, the Network VSP only has one.
450 * Therefore, the channel travels with the RNDIS packet.
451 */
452 u32 channel_type;
453
454 /*
455 * This field is used to send part or all of the data through a send
456 * buffer. This values specifies an index into the send buffer. If the
457 * index is 0xFFFFFFFF, then the send buffer is not being used and all
458 * of the data was sent through other VMBus mechanisms.
459 */
460 u32 send_buf_section_index;
461 u32 send_buf_section_size;
462 } __packed;
463
464 /*
465 * This message is used by both the VSP and the VSC to complete a RNDIS message
466 * to the opposite channel endpoint. At this point, the initiator of this
467 * message cannot use any resources associated with the original RNDIS packet.
468 */
469 struct nvsp_1_message_send_rndis_packet_complete {
470 u32 status;
471 };
472
473 union nvsp_1_message_uber {
474 struct nvsp_1_message_send_ndis_version send_ndis_ver;
475
476 struct nvsp_1_message_send_receive_buffer send_recv_buf;
477 struct nvsp_1_message_send_receive_buffer_complete
478 send_recv_buf_complete;
479 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
480
481 struct nvsp_1_message_send_send_buffer send_send_buf;
482 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
483 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
484
485 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
486 struct nvsp_1_message_send_rndis_packet_complete
487 send_rndis_pkt_complete;
488 } __packed;
489
490
491 /*
492 * Network VSP protocol version 2 messages:
493 */
494 struct nvsp_2_vsc_capability {
495 union {
496 u64 data;
497 struct {
498 u64 vmq:1;
499 u64 chimney:1;
500 u64 sriov:1;
501 u64 ieee8021q:1;
502 u64 correlation_id:1;
503 u64 teaming:1;
504 };
505 };
506 } __packed;
507
508 struct nvsp_2_send_ndis_config {
509 u32 mtu;
510 u32 reserved;
511 struct nvsp_2_vsc_capability capability;
512 } __packed;
513
514 /* Allocate receive buffer */
515 struct nvsp_2_alloc_rxbuf {
516 /* Allocation ID to match the allocation request and response */
517 u32 alloc_id;
518
519 /* Length of the VM shared memory receive buffer that needs to
520 * be allocated
521 */
522 u32 len;
523 } __packed;
524
525 /* Allocate receive buffer complete */
526 struct nvsp_2_alloc_rxbuf_comp {
527 /* The NDIS_STATUS code for buffer allocation */
528 u32 status;
529
530 u32 alloc_id;
531
532 /* GPADL handle for the allocated receive buffer */
533 u32 gpadl_handle;
534
535 /* Receive buffer ID */
536 u64 recv_buf_id;
537 } __packed;
538
539 struct nvsp_2_free_rxbuf {
540 u64 recv_buf_id;
541 } __packed;
542
543 union nvsp_2_message_uber {
544 struct nvsp_2_send_ndis_config send_ndis_config;
545 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
546 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
547 struct nvsp_2_free_rxbuf free_rxbuf;
548 } __packed;
549
550 struct nvsp_4_send_vf_association {
551 /* 1: allocated, serial number is valid. 0: not allocated */
552 u32 allocated;
553
554 /* Serial number of the VF to team with */
555 u32 serial;
556 } __packed;
557
558 enum nvsp_vm_datapath {
559 NVSP_DATAPATH_SYNTHETIC = 0,
560 NVSP_DATAPATH_VF,
561 NVSP_DATAPATH_MAX
562 };
563
564 struct nvsp_4_sw_datapath {
565 u32 active_datapath; /* active data path in VM */
566 } __packed;
567
568 union nvsp_4_message_uber {
569 struct nvsp_4_send_vf_association vf_assoc;
570 struct nvsp_4_sw_datapath active_dp;
571 } __packed;
572
573 enum nvsp_subchannel_operation {
574 NVSP_SUBCHANNEL_NONE = 0,
575 NVSP_SUBCHANNEL_ALLOCATE,
576 NVSP_SUBCHANNEL_MAX
577 };
578
579 struct nvsp_5_subchannel_request {
580 u32 op;
581 u32 num_subchannels;
582 } __packed;
583
584 struct nvsp_5_subchannel_complete {
585 u32 status;
586 u32 num_subchannels; /* Actual number of subchannels allocated */
587 } __packed;
588
589 struct nvsp_5_send_indirect_table {
590 /* The number of entries in the send indirection table */
591 u32 count;
592
593 /* The offset of the send indirection table from top of this struct.
594 * The send indirection table tells which channel to put the send
595 * traffic on. Each entry is a channel number.
596 */
597 u32 offset;
598 } __packed;
599
600 union nvsp_5_message_uber {
601 struct nvsp_5_subchannel_request subchn_req;
602 struct nvsp_5_subchannel_complete subchn_comp;
603 struct nvsp_5_send_indirect_table send_table;
604 } __packed;
605
606 union nvsp_all_messages {
607 union nvsp_message_init_uber init_msg;
608 union nvsp_1_message_uber v1_msg;
609 union nvsp_2_message_uber v2_msg;
610 union nvsp_4_message_uber v4_msg;
611 union nvsp_5_message_uber v5_msg;
612 } __packed;
613
614 /* ALL Messages */
615 struct nvsp_message {
616 struct nvsp_message_header hdr;
617 union nvsp_all_messages msg;
618 } __packed;
619
620
621 #define NETVSC_MTU 65535
622 #define NETVSC_MTU_MIN ETH_MIN_MTU
623
624 #define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
625 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
626 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
627 #define NETVSC_INVALID_INDEX -1
628
629
630 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
631 #define NETVSC_SEND_BUFFER_ID 0
632
633 #define NETVSC_PACKET_SIZE 4096
634
635 #define VRSS_SEND_TAB_SIZE 16
636 #define VRSS_CHANNEL_MAX 64
637 #define VRSS_CHANNEL_DEFAULT 8
638
639 #define RNDIS_MAX_PKT_DEFAULT 8
640 #define RNDIS_PKT_ALIGN_DEFAULT 8
641
642 struct multi_send_data {
643 struct sk_buff *skb; /* skb containing the pkt */
644 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
645 u32 count; /* counter of batched packets */
646 };
647
648 struct recv_comp_data {
649 u64 tid; /* transaction id */
650 u32 status;
651 };
652
653 /* Netvsc Receive Slots Max */
654 #define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
655
656 struct multi_recv_comp {
657 void *buf; /* queued receive completions */
658 u32 first; /* first data entry */
659 u32 next; /* next entry for writing */
660 };
661
662 struct netvsc_stats {
663 u64 packets;
664 u64 bytes;
665 u64 broadcast;
666 u64 multicast;
667 struct u64_stats_sync syncp;
668 };
669
670 struct netvsc_ethtool_stats {
671 unsigned long tx_scattered;
672 unsigned long tx_no_memory;
673 unsigned long tx_no_space;
674 unsigned long tx_too_big;
675 unsigned long tx_busy;
676 };
677
678 struct netvsc_reconfig {
679 struct list_head list;
680 u32 event;
681 };
682
683 /* The context of the netvsc device */
684 struct net_device_context {
685 /* point back to our device context */
686 struct hv_device *device_ctx;
687 /* netvsc_device */
688 struct netvsc_device *nvdev;
689 /* reconfigure work */
690 struct delayed_work dwork;
691 /* last reconfig time */
692 unsigned long last_reconfig;
693 /* reconfig events */
694 struct list_head reconfig_events;
695 /* list protection */
696 spinlock_t lock;
697
698 struct work_struct work;
699 u32 msg_enable; /* debug level */
700
701 u32 tx_checksum_mask;
702
703 u32 tx_send_table[VRSS_SEND_TAB_SIZE];
704
705 /* Ethtool settings */
706 u8 duplex;
707 u32 speed;
708 struct netvsc_ethtool_stats eth_stats;
709
710 /* the device is going away */
711 bool start_remove;
712
713 /* State to manage the associated VF interface. */
714 struct net_device __rcu *vf_netdev;
715
716 /* 1: allocated, serial number is valid. 0: not allocated */
717 u32 vf_alloc;
718 /* Serial number of the VF to team with */
719 u32 vf_serial;
720 };
721
722 /* Per channel data */
723 struct netvsc_channel {
724 struct vmbus_channel *channel;
725 struct multi_send_data msd;
726 struct multi_recv_comp mrc;
727 atomic_t queue_sends;
728
729 struct netvsc_stats tx_stats;
730 struct netvsc_stats rx_stats;
731 };
732
733 /* Per netvsc device */
734 struct netvsc_device {
735 u32 nvsp_version;
736
737 wait_queue_head_t wait_drain;
738 bool destroy;
739
740 /* Receive buffer allocated by us but manages by NetVSP */
741 void *recv_buf;
742 u32 recv_buf_size;
743 u32 recv_buf_gpadl_handle;
744 u32 recv_section_cnt;
745 struct nvsp_1_receive_buffer_section *recv_section;
746
747 /* Send buffer allocated by us */
748 void *send_buf;
749 u32 send_buf_size;
750 u32 send_buf_gpadl_handle;
751 u32 send_section_cnt;
752 u32 send_section_size;
753 unsigned long *send_section_map;
754 int map_words;
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 spinlock_t sc_lock; /* Protects num_sc_offered variable */
765 u32 num_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
782 static inline struct netvsc_device *
783 net_device_to_netvsc_device(struct net_device *ndev)
784 {
785 return ((struct net_device_context *)netdev_priv(ndev))->nvdev;
786 }
787
788 static inline struct netvsc_device *
789 hv_device_to_netvsc_device(struct hv_device *device)
790 {
791 return net_device_to_netvsc_device(hv_get_drvdata(device));
792 }
793
794 /* NdisInitialize message */
795 struct rndis_initialize_request {
796 u32 req_id;
797 u32 major_ver;
798 u32 minor_ver;
799 u32 max_xfer_size;
800 };
801
802 /* Response to NdisInitialize */
803 struct rndis_initialize_complete {
804 u32 req_id;
805 u32 status;
806 u32 major_ver;
807 u32 minor_ver;
808 u32 dev_flags;
809 u32 medium;
810 u32 max_pkt_per_msg;
811 u32 max_xfer_size;
812 u32 pkt_alignment_factor;
813 u32 af_list_offset;
814 u32 af_list_size;
815 };
816
817 /* Call manager devices only: Information about an address family */
818 /* supported by the device is appended to the response to NdisInitialize. */
819 struct rndis_co_address_family {
820 u32 address_family;
821 u32 major_ver;
822 u32 minor_ver;
823 };
824
825 /* NdisHalt message */
826 struct rndis_halt_request {
827 u32 req_id;
828 };
829
830 /* NdisQueryRequest message */
831 struct rndis_query_request {
832 u32 req_id;
833 u32 oid;
834 u32 info_buflen;
835 u32 info_buf_offset;
836 u32 dev_vc_handle;
837 };
838
839 /* Response to NdisQueryRequest */
840 struct rndis_query_complete {
841 u32 req_id;
842 u32 status;
843 u32 info_buflen;
844 u32 info_buf_offset;
845 };
846
847 /* NdisSetRequest message */
848 struct rndis_set_request {
849 u32 req_id;
850 u32 oid;
851 u32 info_buflen;
852 u32 info_buf_offset;
853 u32 dev_vc_handle;
854 };
855
856 /* Response to NdisSetRequest */
857 struct rndis_set_complete {
858 u32 req_id;
859 u32 status;
860 };
861
862 /* NdisReset message */
863 struct rndis_reset_request {
864 u32 reserved;
865 };
866
867 /* Response to NdisReset */
868 struct rndis_reset_complete {
869 u32 status;
870 u32 addressing_reset;
871 };
872
873 /* NdisMIndicateStatus message */
874 struct rndis_indicate_status {
875 u32 status;
876 u32 status_buflen;
877 u32 status_buf_offset;
878 };
879
880 /* Diagnostic information passed as the status buffer in */
881 /* struct rndis_indicate_status messages signifying error conditions. */
882 struct rndis_diagnostic_info {
883 u32 diag_status;
884 u32 error_offset;
885 };
886
887 /* NdisKeepAlive message */
888 struct rndis_keepalive_request {
889 u32 req_id;
890 };
891
892 /* Response to NdisKeepAlive */
893 struct rndis_keepalive_complete {
894 u32 req_id;
895 u32 status;
896 };
897
898 /*
899 * Data message. All Offset fields contain byte offsets from the beginning of
900 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
901 * to 0 for connectionless data, otherwise it contains the VC handle.
902 */
903 struct rndis_packet {
904 u32 data_offset;
905 u32 data_len;
906 u32 oob_data_offset;
907 u32 oob_data_len;
908 u32 num_oob_data_elements;
909 u32 per_pkt_info_offset;
910 u32 per_pkt_info_len;
911 u32 vc_handle;
912 u32 reserved;
913 };
914
915 /* Optional Out of Band data associated with a Data message. */
916 struct rndis_oobd {
917 u32 size;
918 u32 type;
919 u32 class_info_offset;
920 };
921
922 /* Packet extension field contents associated with a Data message. */
923 struct rndis_per_packet_info {
924 u32 size;
925 u32 type;
926 u32 ppi_offset;
927 };
928
929 enum ndis_per_pkt_info_type {
930 TCPIP_CHKSUM_PKTINFO,
931 IPSEC_PKTINFO,
932 TCP_LARGESEND_PKTINFO,
933 CLASSIFICATION_HANDLE_PKTINFO,
934 NDIS_RESERVED,
935 SG_LIST_PKTINFO,
936 IEEE_8021Q_INFO,
937 ORIGINAL_PKTINFO,
938 PACKET_CANCEL_ID,
939 NBL_HASH_VALUE = PACKET_CANCEL_ID,
940 ORIGINAL_NET_BUFLIST,
941 CACHED_NET_BUFLIST,
942 SHORT_PKT_PADINFO,
943 MAX_PER_PKT_INFO
944 };
945
946 struct ndis_pkt_8021q_info {
947 union {
948 struct {
949 u32 pri:3; /* User Priority */
950 u32 cfi:1; /* Canonical Format ID */
951 u32 vlanid:12; /* VLAN ID */
952 u32 reserved:16;
953 };
954 u32 value;
955 };
956 };
957
958 struct ndis_object_header {
959 u8 type;
960 u8 revision;
961 u16 size;
962 };
963
964 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
965 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
966 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
967 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
968
969 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
970 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
971 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
972 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
973 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
974 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
975 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
976 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
977 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
978 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
979
980 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
981 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
982 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
983
984 #define VERSION_4_OFFLOAD_SIZE 22
985 /*
986 * New offload OIDs for NDIS 6
987 */
988 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
989 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
990 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
991 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
992 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
993 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
994
995 /*
996 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
997 * ndis_type: NDIS_OBJTYPE_OFFLOAD
998 */
999
1000 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000
1001 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001
1002 #define NDIS_OFFLOAD_ENCAP_8023 0x0002
1003 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004
1004 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008
1005 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010
1006
1007 struct ndis_csum_offload {
1008 u32 ip4_txenc;
1009 u32 ip4_txcsum;
1010 #define NDIS_TXCSUM_CAP_IP4OPT 0x001
1011 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004
1012 #define NDIS_TXCSUM_CAP_TCP4 0x010
1013 #define NDIS_TXCSUM_CAP_UDP4 0x040
1014 #define NDIS_TXCSUM_CAP_IP4 0x100
1015
1016 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1017
1018 u32 ip4_rxenc;
1019 u32 ip4_rxcsum;
1020 #define NDIS_RXCSUM_CAP_IP4OPT 0x001
1021 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004
1022 #define NDIS_RXCSUM_CAP_TCP4 0x010
1023 #define NDIS_RXCSUM_CAP_UDP4 0x040
1024 #define NDIS_RXCSUM_CAP_IP4 0x100
1025 u32 ip6_txenc;
1026 u32 ip6_txcsum;
1027 #define NDIS_TXCSUM_CAP_IP6EXT 0x001
1028 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004
1029 #define NDIS_TXCSUM_CAP_TCP6 0x010
1030 #define NDIS_TXCSUM_CAP_UDP6 0x040
1031 u32 ip6_rxenc;
1032 u32 ip6_rxcsum;
1033 #define NDIS_RXCSUM_CAP_IP6EXT 0x001
1034 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004
1035 #define NDIS_RXCSUM_CAP_TCP6 0x010
1036 #define NDIS_RXCSUM_CAP_UDP6 0x040
1037
1038 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \
1039 NDIS_TXCSUM_CAP_TCP6OPT | \
1040 NDIS_TXCSUM_CAP_IP6EXT)
1041 };
1042
1043 struct ndis_lsov1_offload {
1044 u32 encap;
1045 u32 maxsize;
1046 u32 minsegs;
1047 u32 opts;
1048 };
1049
1050 struct ndis_ipsecv1_offload {
1051 u32 encap;
1052 u32 ah_esp;
1053 u32 xport_tun;
1054 u32 ip4_opts;
1055 u32 flags;
1056 u32 ip4_ah;
1057 u32 ip4_esp;
1058 };
1059
1060 struct ndis_lsov2_offload {
1061 u32 ip4_encap;
1062 u32 ip4_maxsz;
1063 u32 ip4_minsg;
1064 u32 ip6_encap;
1065 u32 ip6_maxsz;
1066 u32 ip6_minsg;
1067 u32 ip6_opts;
1068 #define NDIS_LSOV2_CAP_IP6EXT 0x001
1069 #define NDIS_LSOV2_CAP_TCP6OPT 0x004
1070
1071 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \
1072 NDIS_LSOV2_CAP_TCP6OPT)
1073 };
1074
1075 struct ndis_ipsecv2_offload {
1076 u32 encap;
1077 u16 ip6;
1078 u16 ip4opt;
1079 u16 ip6ext;
1080 u16 ah;
1081 u16 esp;
1082 u16 ah_esp;
1083 u16 xport;
1084 u16 tun;
1085 u16 xport_tun;
1086 u16 lso;
1087 u16 extseq;
1088 u32 udp_esp;
1089 u32 auth;
1090 u32 crypto;
1091 u32 sa_caps;
1092 };
1093
1094 struct ndis_rsc_offload {
1095 u16 ip4;
1096 u16 ip6;
1097 };
1098
1099 struct ndis_encap_offload {
1100 u32 flags;
1101 u32 maxhdr;
1102 };
1103
1104 struct ndis_offload {
1105 struct ndis_object_header header;
1106 struct ndis_csum_offload csum;
1107 struct ndis_lsov1_offload lsov1;
1108 struct ndis_ipsecv1_offload ipsecv1;
1109 struct ndis_lsov2_offload lsov2;
1110 u32 flags;
1111 /* NDIS >= 6.1 */
1112 struct ndis_ipsecv2_offload ipsecv2;
1113 /* NDIS >= 6.30 */
1114 struct ndis_rsc_offload rsc;
1115 struct ndis_encap_offload encap_gre;
1116 };
1117
1118 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload)
1119 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2)
1120 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc)
1121
1122 struct ndis_offload_params {
1123 struct ndis_object_header header;
1124 u8 ip_v4_csum;
1125 u8 tcp_ip_v4_csum;
1126 u8 udp_ip_v4_csum;
1127 u8 tcp_ip_v6_csum;
1128 u8 udp_ip_v6_csum;
1129 u8 lso_v1;
1130 u8 ip_sec_v1;
1131 u8 lso_v2_ipv4;
1132 u8 lso_v2_ipv6;
1133 u8 tcp_connection_ip_v4;
1134 u8 tcp_connection_ip_v6;
1135 u32 flags;
1136 u8 ip_sec_v2;
1137 u8 ip_sec_v2_ip_v4;
1138 struct {
1139 u8 rsc_ip_v4;
1140 u8 rsc_ip_v6;
1141 };
1142 struct {
1143 u8 encapsulated_packet_task_offload;
1144 u8 encapsulation_types;
1145 };
1146 };
1147
1148 struct ndis_tcp_ip_checksum_info {
1149 union {
1150 struct {
1151 u32 is_ipv4:1;
1152 u32 is_ipv6:1;
1153 u32 tcp_checksum:1;
1154 u32 udp_checksum:1;
1155 u32 ip_header_checksum:1;
1156 u32 reserved:11;
1157 u32 tcp_header_offset:10;
1158 } transmit;
1159 struct {
1160 u32 tcp_checksum_failed:1;
1161 u32 udp_checksum_failed:1;
1162 u32 ip_checksum_failed:1;
1163 u32 tcp_checksum_succeeded:1;
1164 u32 udp_checksum_succeeded:1;
1165 u32 ip_checksum_succeeded:1;
1166 u32 loopback:1;
1167 u32 tcp_checksum_value_invalid:1;
1168 u32 ip_checksum_value_invalid:1;
1169 } receive;
1170 u32 value;
1171 };
1172 };
1173
1174 struct ndis_tcp_lso_info {
1175 union {
1176 struct {
1177 u32 unused:30;
1178 u32 type:1;
1179 u32 reserved2:1;
1180 } transmit;
1181 struct {
1182 u32 mss:20;
1183 u32 tcp_header_offset:10;
1184 u32 type:1;
1185 u32 reserved2:1;
1186 } lso_v1_transmit;
1187 struct {
1188 u32 tcp_payload:30;
1189 u32 type:1;
1190 u32 reserved2:1;
1191 } lso_v1_transmit_complete;
1192 struct {
1193 u32 mss:20;
1194 u32 tcp_header_offset:10;
1195 u32 type:1;
1196 u32 ip_version:1;
1197 } lso_v2_transmit;
1198 struct {
1199 u32 reserved:30;
1200 u32 type:1;
1201 u32 reserved2:1;
1202 } lso_v2_transmit_complete;
1203 u32 value;
1204 };
1205 };
1206
1207 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1208 sizeof(struct ndis_pkt_8021q_info))
1209
1210 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1211 sizeof(struct ndis_tcp_ip_checksum_info))
1212
1213 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1214 sizeof(struct ndis_tcp_lso_info))
1215
1216 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1217 sizeof(u32))
1218
1219 /* Total size of all PPI data */
1220 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1221 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1222
1223 /* Format of Information buffer passed in a SetRequest for the OID */
1224 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1225 struct rndis_config_parameter_info {
1226 u32 parameter_name_offset;
1227 u32 parameter_name_length;
1228 u32 parameter_type;
1229 u32 parameter_value_offset;
1230 u32 parameter_value_length;
1231 };
1232
1233 /* Values for ParameterType in struct rndis_config_parameter_info */
1234 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1235 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1236
1237 /* CONDIS Miniport messages for connection oriented devices */
1238 /* that do not implement a call manager. */
1239
1240 /* CoNdisMiniportCreateVc message */
1241 struct rcondis_mp_create_vc {
1242 u32 req_id;
1243 u32 ndis_vc_handle;
1244 };
1245
1246 /* Response to CoNdisMiniportCreateVc */
1247 struct rcondis_mp_create_vc_complete {
1248 u32 req_id;
1249 u32 dev_vc_handle;
1250 u32 status;
1251 };
1252
1253 /* CoNdisMiniportDeleteVc message */
1254 struct rcondis_mp_delete_vc {
1255 u32 req_id;
1256 u32 dev_vc_handle;
1257 };
1258
1259 /* Response to CoNdisMiniportDeleteVc */
1260 struct rcondis_mp_delete_vc_complete {
1261 u32 req_id;
1262 u32 status;
1263 };
1264
1265 /* CoNdisMiniportQueryRequest message */
1266 struct rcondis_mp_query_request {
1267 u32 req_id;
1268 u32 request_type;
1269 u32 oid;
1270 u32 dev_vc_handle;
1271 u32 info_buflen;
1272 u32 info_buf_offset;
1273 };
1274
1275 /* CoNdisMiniportSetRequest message */
1276 struct rcondis_mp_set_request {
1277 u32 req_id;
1278 u32 request_type;
1279 u32 oid;
1280 u32 dev_vc_handle;
1281 u32 info_buflen;
1282 u32 info_buf_offset;
1283 };
1284
1285 /* CoNdisIndicateStatus message */
1286 struct rcondis_indicate_status {
1287 u32 ndis_vc_handle;
1288 u32 status;
1289 u32 status_buflen;
1290 u32 status_buf_offset;
1291 };
1292
1293 /* CONDIS Call/VC parameters */
1294 struct rcondis_specific_parameters {
1295 u32 parameter_type;
1296 u32 parameter_length;
1297 u32 parameter_lffset;
1298 };
1299
1300 struct rcondis_media_parameters {
1301 u32 flags;
1302 u32 reserved1;
1303 u32 reserved2;
1304 struct rcondis_specific_parameters media_specific;
1305 };
1306
1307 struct rndis_flowspec {
1308 u32 token_rate;
1309 u32 token_bucket_size;
1310 u32 peak_bandwidth;
1311 u32 latency;
1312 u32 delay_variation;
1313 u32 service_type;
1314 u32 max_sdu_size;
1315 u32 minimum_policed_size;
1316 };
1317
1318 struct rcondis_call_manager_parameters {
1319 struct rndis_flowspec transmit;
1320 struct rndis_flowspec receive;
1321 struct rcondis_specific_parameters call_mgr_specific;
1322 };
1323
1324 /* CoNdisMiniportActivateVc message */
1325 struct rcondis_mp_activate_vc_request {
1326 u32 req_id;
1327 u32 flags;
1328 u32 dev_vc_handle;
1329 u32 media_params_offset;
1330 u32 media_params_length;
1331 u32 call_mgr_params_offset;
1332 u32 call_mgr_params_length;
1333 };
1334
1335 /* Response to CoNdisMiniportActivateVc */
1336 struct rcondis_mp_activate_vc_complete {
1337 u32 req_id;
1338 u32 status;
1339 };
1340
1341 /* CoNdisMiniportDeactivateVc message */
1342 struct rcondis_mp_deactivate_vc_request {
1343 u32 req_id;
1344 u32 flags;
1345 u32 dev_vc_handle;
1346 };
1347
1348 /* Response to CoNdisMiniportDeactivateVc */
1349 struct rcondis_mp_deactivate_vc_complete {
1350 u32 req_id;
1351 u32 status;
1352 };
1353
1354
1355 /* union with all of the RNDIS messages */
1356 union rndis_message_container {
1357 struct rndis_packet pkt;
1358 struct rndis_initialize_request init_req;
1359 struct rndis_halt_request halt_req;
1360 struct rndis_query_request query_req;
1361 struct rndis_set_request set_req;
1362 struct rndis_reset_request reset_req;
1363 struct rndis_keepalive_request keep_alive_req;
1364 struct rndis_indicate_status indicate_status;
1365 struct rndis_initialize_complete init_complete;
1366 struct rndis_query_complete query_complete;
1367 struct rndis_set_complete set_complete;
1368 struct rndis_reset_complete reset_complete;
1369 struct rndis_keepalive_complete keep_alive_complete;
1370 struct rcondis_mp_create_vc co_miniport_create_vc;
1371 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1372 struct rcondis_indicate_status co_indicate_status;
1373 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1374 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1375 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1376 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1377 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1378 struct rcondis_mp_deactivate_vc_complete
1379 co_miniport_deactivate_vc_complete;
1380 };
1381
1382 /* Remote NDIS message format */
1383 struct rndis_message {
1384 u32 ndis_msg_type;
1385
1386 /* Total length of this message, from the beginning */
1387 /* of the struct rndis_message, in bytes. */
1388 u32 msg_len;
1389
1390 /* Actual message */
1391 union rndis_message_container msg;
1392 };
1393
1394
1395 /* Handy macros */
1396
1397 /* get the size of an RNDIS message. Pass in the message type, */
1398 /* struct rndis_set_request, struct rndis_packet for example */
1399 #define RNDIS_MESSAGE_SIZE(msg) \
1400 (sizeof(msg) + (sizeof(struct rndis_message) - \
1401 sizeof(union rndis_message_container)))
1402
1403 /* get pointer to info buffer with message pointer */
1404 #define MESSAGE_TO_INFO_BUFFER(msg) \
1405 (((unsigned char *)(msg)) + msg->info_buf_offset)
1406
1407 /* get pointer to status buffer with message pointer */
1408 #define MESSAGE_TO_STATUS_BUFFER(msg) \
1409 (((unsigned char *)(msg)) + msg->status_buf_offset)
1410
1411 /* get pointer to OOBD buffer with message pointer */
1412 #define MESSAGE_TO_OOBD_BUFFER(msg) \
1413 (((unsigned char *)(msg)) + msg->oob_data_offset)
1414
1415 /* get pointer to data buffer with message pointer */
1416 #define MESSAGE_TO_DATA_BUFFER(msg) \
1417 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1418
1419 /* get pointer to contained message from NDIS_MESSAGE pointer */
1420 #define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1421 ((void *) &rndis_msg->msg)
1422
1423 /* get pointer to contained message from NDIS_MESSAGE pointer */
1424 #define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1425 ((void *) rndis_msg)
1426
1427
1428 #define __struct_bcount(x)
1429
1430
1431
1432 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1433 sizeof(union rndis_message_container))
1434
1435 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1436
1437 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1438 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1439 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1440 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1441 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1442 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1443 #define NDIS_PACKET_TYPE_SMT 0x00000040
1444 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1445 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1446 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1447 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1448 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1449
1450 #define TRANSPORT_INFO_NOT_IP 0
1451 #define TRANSPORT_INFO_IPV4_TCP 0x01
1452 #define TRANSPORT_INFO_IPV4_UDP 0x02
1453 #define TRANSPORT_INFO_IPV6_TCP 0x10
1454 #define TRANSPORT_INFO_IPV6_UDP 0x20
1455
1456 #endif /* _HYPERV_NET_H */