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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / net / hyperv / hyperv_net.h
blob0db3bd1ea06f5a71eb6fc67ba00abb066c7f3414
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 u32 num_chn;
150 u32 send_sections;
151 u32 recv_sections;
152 u32 send_section_size;
153 u32 recv_section_size;
154 };
155
156 enum rndis_device_state {
157 RNDIS_DEV_UNINITIALIZED = 0,
158 RNDIS_DEV_INITIALIZING,
159 RNDIS_DEV_INITIALIZED,
160 RNDIS_DEV_DATAINITIALIZED,
161 };
162
163 #define NETVSC_HASH_KEYLEN 40
164
165 struct rndis_device {
166 struct net_device *ndev;
167
168 enum rndis_device_state state;
169
170 atomic_t new_req_id;
171
172 spinlock_t request_lock;
173 struct list_head req_list;
174
175 struct work_struct mcast_work;
176
177 bool link_state; /* 0 - link up, 1 - link down */
178
179 u8 hw_mac_adr[ETH_ALEN];
180 u8 rss_key[NETVSC_HASH_KEYLEN];
181 u16 rx_table[ITAB_NUM];
182 };
183
184
185 /* Interface */
186 struct rndis_message;
187 struct netvsc_device;
188 struct net_device_context;
189
190 extern u32 netvsc_ring_bytes;
191 extern struct reciprocal_value netvsc_ring_reciprocal;
192
193 struct netvsc_device *netvsc_device_add(struct hv_device *device,
194 const struct netvsc_device_info *info);
195 int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx);
196 void netvsc_device_remove(struct hv_device *device);
197 int netvsc_send(struct net_device *net,
198 struct hv_netvsc_packet *packet,
199 struct rndis_message *rndis_msg,
200 struct hv_page_buffer *page_buffer,
201 struct sk_buff *skb);
202 void netvsc_linkstatus_callback(struct net_device *net,
203 struct rndis_message *resp);
204 int netvsc_recv_callback(struct net_device *net,
205 struct netvsc_device *nvdev,
206 struct vmbus_channel *channel,
207 void *data, u32 len,
208 const struct ndis_tcp_ip_checksum_info *csum_info,
209 const struct ndis_pkt_8021q_info *vlan);
210 void netvsc_channel_cb(void *context);
211 int netvsc_poll(struct napi_struct *napi, int budget);
212
213 void rndis_set_subchannel(struct work_struct *w);
214 bool rndis_filter_opened(const struct netvsc_device *nvdev);
215 int rndis_filter_open(struct netvsc_device *nvdev);
216 int rndis_filter_close(struct netvsc_device *nvdev);
217 struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
218 struct netvsc_device_info *info);
219 void rndis_filter_update(struct netvsc_device *nvdev);
220 void rndis_filter_device_remove(struct hv_device *dev,
221 struct netvsc_device *nvdev);
222 int rndis_filter_set_rss_param(struct rndis_device *rdev,
223 const u8 *key);
224 int rndis_filter_receive(struct net_device *ndev,
225 struct netvsc_device *net_dev,
226 struct vmbus_channel *channel,
227 void *data, u32 buflen);
228
229 int rndis_filter_set_device_mac(struct netvsc_device *ndev,
230 const char *mac);
231
232 void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
233
234 #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
235
236 #define NVSP_PROTOCOL_VERSION_1 2
237 #define NVSP_PROTOCOL_VERSION_2 0x30002
238 #define NVSP_PROTOCOL_VERSION_4 0x40000
239 #define NVSP_PROTOCOL_VERSION_5 0x50000
240
241 enum {
242 NVSP_MSG_TYPE_NONE = 0,
243
244 /* Init Messages */
245 NVSP_MSG_TYPE_INIT = 1,
246 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
247
248 NVSP_VERSION_MSG_START = 100,
249
250 /* Version 1 Messages */
251 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
252
253 NVSP_MSG1_TYPE_SEND_RECV_BUF,
254 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
255 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
256
257 NVSP_MSG1_TYPE_SEND_SEND_BUF,
258 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
259 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
260
261 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
262 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
263
264 /* Version 2 messages */
265 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
266 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
267 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
268
269 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
270
271 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
272 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
273
274 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
275
276 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
277 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
278
279 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
280 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
281
282 NVSP_MSG2_TYPE_ALLOC_RXBUF,
283 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
284
285 NVSP_MSG2_TYPE_FREE_RXBUF,
286
287 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
288 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
289
290 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
291
292 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
293 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
294
295 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
296
297 /* Version 4 messages */
298 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
299 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
300 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
301
302 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
303
304 /* Version 5 messages */
305 NVSP_MSG5_TYPE_OID_QUERY_EX,
306 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
307 NVSP_MSG5_TYPE_SUBCHANNEL,
308 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
309
310 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
311 };
312
313 enum {
314 NVSP_STAT_NONE = 0,
315 NVSP_STAT_SUCCESS,
316 NVSP_STAT_FAIL,
317 NVSP_STAT_PROTOCOL_TOO_NEW,
318 NVSP_STAT_PROTOCOL_TOO_OLD,
319 NVSP_STAT_INVALID_RNDIS_PKT,
320 NVSP_STAT_BUSY,
321 NVSP_STAT_PROTOCOL_UNSUPPORTED,
322 NVSP_STAT_MAX,
323 };
324
325 struct nvsp_message_header {
326 u32 msg_type;
327 };
328
329 /* Init Messages */
330
331 /*
332 * This message is used by the VSC to initialize the channel after the channels
333 * has been opened. This message should never include anything other then
334 * versioning (i.e. this message will be the same for ever).
335 */
336 struct nvsp_message_init {
337 u32 min_protocol_ver;
338 u32 max_protocol_ver;
339 } __packed;
340
341 /*
342 * This message is used by the VSP to complete the initialization of the
343 * channel. This message should never include anything other then versioning
344 * (i.e. this message will be the same for ever).
345 */
346 struct nvsp_message_init_complete {
347 u32 negotiated_protocol_ver;
348 u32 max_mdl_chain_len;
349 u32 status;
350 } __packed;
351
352 union nvsp_message_init_uber {
353 struct nvsp_message_init init;
354 struct nvsp_message_init_complete init_complete;
355 } __packed;
356
357 /* Version 1 Messages */
358
359 /*
360 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
361 * can use this information when handling OIDs sent by the VSC.
362 */
363 struct nvsp_1_message_send_ndis_version {
364 u32 ndis_major_ver;
365 u32 ndis_minor_ver;
366 } __packed;
367
368 /*
369 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
370 * can then use the receive buffer to send data to the VSC.
371 */
372 struct nvsp_1_message_send_receive_buffer {
373 u32 gpadl_handle;
374 u16 id;
375 } __packed;
376
377 struct nvsp_1_receive_buffer_section {
378 u32 offset;
379 u32 sub_alloc_size;
380 u32 num_sub_allocs;
381 u32 end_offset;
382 } __packed;
383
384 /*
385 * This message is used by the VSP to acknowledge a receive buffer send by the
386 * VSC. This message must be sent by the VSP before the VSP uses the receive
387 * buffer.
388 */
389 struct nvsp_1_message_send_receive_buffer_complete {
390 u32 status;
391 u32 num_sections;
392
393 /*
394 * The receive buffer is split into two parts, a large suballocation
395 * section and a small suballocation section. These sections are then
396 * suballocated by a certain size.
397 */
398
399 /*
400 * For example, the following break up of the receive buffer has 6
401 * large suballocations and 10 small suballocations.
402 */
403
404 /*
405 * | Large Section | | Small Section |
406 * ------------------------------------------------------------
407 * | | | | | | | | | | | | | | | | | |
408 * | |
409 * LargeOffset SmallOffset
410 */
411
412 struct nvsp_1_receive_buffer_section sections[1];
413 } __packed;
414
415 /*
416 * This message is sent by the VSC to revoke the receive buffer. After the VSP
417 * completes this transaction, the vsp should never use the receive buffer
418 * again.
419 */
420 struct nvsp_1_message_revoke_receive_buffer {
421 u16 id;
422 };
423
424 /*
425 * This message is used by the VSC to send a send buffer to the VSP. The VSC
426 * can then use the send buffer to send data to the VSP.
427 */
428 struct nvsp_1_message_send_send_buffer {
429 u32 gpadl_handle;
430 u16 id;
431 } __packed;
432
433 /*
434 * This message is used by the VSP to acknowledge a send buffer sent by the
435 * VSC. This message must be sent by the VSP before the VSP uses the sent
436 * buffer.
437 */
438 struct nvsp_1_message_send_send_buffer_complete {
439 u32 status;
440
441 /*
442 * The VSC gets to choose the size of the send buffer and the VSP gets
443 * to choose the sections size of the buffer. This was done to enable
444 * dynamic reconfigurations when the cost of GPA-direct buffers
445 * decreases.
446 */
447 u32 section_size;
448 } __packed;
449
450 /*
451 * This message is sent by the VSC to revoke the send buffer. After the VSP
452 * completes this transaction, the vsp should never use the send buffer again.
453 */
454 struct nvsp_1_message_revoke_send_buffer {
455 u16 id;
456 };
457
458 /*
459 * This message is used by both the VSP and the VSC to send a RNDIS message to
460 * the opposite channel endpoint.
461 */
462 struct nvsp_1_message_send_rndis_packet {
463 /*
464 * This field is specified by RNDIS. They assume there's two different
465 * channels of communication. However, the Network VSP only has one.
466 * Therefore, the channel travels with the RNDIS packet.
467 */
468 u32 channel_type;
469
470 /*
471 * This field is used to send part or all of the data through a send
472 * buffer. This values specifies an index into the send buffer. If the
473 * index is 0xFFFFFFFF, then the send buffer is not being used and all
474 * of the data was sent through other VMBus mechanisms.
475 */
476 u32 send_buf_section_index;
477 u32 send_buf_section_size;
478 } __packed;
479
480 /*
481 * This message is used by both the VSP and the VSC to complete a RNDIS message
482 * to the opposite channel endpoint. At this point, the initiator of this
483 * message cannot use any resources associated with the original RNDIS packet.
484 */
485 struct nvsp_1_message_send_rndis_packet_complete {
486 u32 status;
487 };
488
489 union nvsp_1_message_uber {
490 struct nvsp_1_message_send_ndis_version send_ndis_ver;
491
492 struct nvsp_1_message_send_receive_buffer send_recv_buf;
493 struct nvsp_1_message_send_receive_buffer_complete
494 send_recv_buf_complete;
495 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
496
497 struct nvsp_1_message_send_send_buffer send_send_buf;
498 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
499 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
500
501 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
502 struct nvsp_1_message_send_rndis_packet_complete
503 send_rndis_pkt_complete;
504 } __packed;
505
506
507 /*
508 * Network VSP protocol version 2 messages:
509 */
510 struct nvsp_2_vsc_capability {
511 union {
512 u64 data;
513 struct {
514 u64 vmq:1;
515 u64 chimney:1;
516 u64 sriov:1;
517 u64 ieee8021q:1;
518 u64 correlation_id:1;
519 u64 teaming:1;
520 };
521 };
522 } __packed;
523
524 struct nvsp_2_send_ndis_config {
525 u32 mtu;
526 u32 reserved;
527 struct nvsp_2_vsc_capability capability;
528 } __packed;
529
530 /* Allocate receive buffer */
531 struct nvsp_2_alloc_rxbuf {
532 /* Allocation ID to match the allocation request and response */
533 u32 alloc_id;
534
535 /* Length of the VM shared memory receive buffer that needs to
536 * be allocated
537 */
538 u32 len;
539 } __packed;
540
541 /* Allocate receive buffer complete */
542 struct nvsp_2_alloc_rxbuf_comp {
543 /* The NDIS_STATUS code for buffer allocation */
544 u32 status;
545
546 u32 alloc_id;
547
548 /* GPADL handle for the allocated receive buffer */
549 u32 gpadl_handle;
550
551 /* Receive buffer ID */
552 u64 recv_buf_id;
553 } __packed;
554
555 struct nvsp_2_free_rxbuf {
556 u64 recv_buf_id;
557 } __packed;
558
559 union nvsp_2_message_uber {
560 struct nvsp_2_send_ndis_config send_ndis_config;
561 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
562 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
563 struct nvsp_2_free_rxbuf free_rxbuf;
564 } __packed;
565
566 struct nvsp_4_send_vf_association {
567 /* 1: allocated, serial number is valid. 0: not allocated */
568 u32 allocated;
569
570 /* Serial number of the VF to team with */
571 u32 serial;
572 } __packed;
573
574 enum nvsp_vm_datapath {
575 NVSP_DATAPATH_SYNTHETIC = 0,
576 NVSP_DATAPATH_VF,
577 NVSP_DATAPATH_MAX
578 };
579
580 struct nvsp_4_sw_datapath {
581 u32 active_datapath; /* active data path in VM */
582 } __packed;
583
584 union nvsp_4_message_uber {
585 struct nvsp_4_send_vf_association vf_assoc;
586 struct nvsp_4_sw_datapath active_dp;
587 } __packed;
588
589 enum nvsp_subchannel_operation {
590 NVSP_SUBCHANNEL_NONE = 0,
591 NVSP_SUBCHANNEL_ALLOCATE,
592 NVSP_SUBCHANNEL_MAX
593 };
594
595 struct nvsp_5_subchannel_request {
596 u32 op;
597 u32 num_subchannels;
598 } __packed;
599
600 struct nvsp_5_subchannel_complete {
601 u32 status;
602 u32 num_subchannels; /* Actual number of subchannels allocated */
603 } __packed;
604
605 struct nvsp_5_send_indirect_table {
606 /* The number of entries in the send indirection table */
607 u32 count;
608
609 /* The offset of the send indirection table from top of this struct.
610 * The send indirection table tells which channel to put the send
611 * traffic on. Each entry is a channel number.
612 */
613 u32 offset;
614 } __packed;
615
616 union nvsp_5_message_uber {
617 struct nvsp_5_subchannel_request subchn_req;
618 struct nvsp_5_subchannel_complete subchn_comp;
619 struct nvsp_5_send_indirect_table send_table;
620 } __packed;
621
622 union nvsp_all_messages {
623 union nvsp_message_init_uber init_msg;
624 union nvsp_1_message_uber v1_msg;
625 union nvsp_2_message_uber v2_msg;
626 union nvsp_4_message_uber v4_msg;
627 union nvsp_5_message_uber v5_msg;
628 } __packed;
629
630 /* ALL Messages */
631 struct nvsp_message {
632 struct nvsp_message_header hdr;
633 union nvsp_all_messages msg;
634 } __packed;
635
636
637 #define NETVSC_MTU 65535
638 #define NETVSC_MTU_MIN ETH_MIN_MTU
639
640 /* Max buffer sizes allowed by a host */
641 #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */
642 #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */
643 #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16)
644
645 #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
646 #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024)
647
648 #define NETVSC_INVALID_INDEX -1
649
650 #define NETVSC_SEND_SECTION_SIZE 6144
651 #define NETVSC_RECV_SECTION_SIZE 1728
652
653 /* Default size of TX buf: 1MB, RX buf: 16MB */
654 #define NETVSC_MIN_TX_SECTIONS 10
655 #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \
656 / NETVSC_SEND_SECTION_SIZE)
657 #define NETVSC_MIN_RX_SECTIONS 10
658 #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \
659 / NETVSC_RECV_SECTION_SIZE)
660
661 #define NETVSC_RECEIVE_BUFFER_ID 0xcafe
662 #define NETVSC_SEND_BUFFER_ID 0
663
664 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \
665 NETIF_F_TSO | NETIF_F_IPV6_CSUM | \
666 NETIF_F_TSO6)
667
668 #define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */
669 #define VRSS_CHANNEL_MAX 64
670 #define VRSS_CHANNEL_DEFAULT 8
671
672 #define RNDIS_MAX_PKT_DEFAULT 8
673 #define RNDIS_PKT_ALIGN_DEFAULT 8
674
675 struct multi_send_data {
676 struct sk_buff *skb; /* skb containing the pkt */
677 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
678 u32 count; /* counter of batched packets */
679 };
680
681 struct recv_comp_data {
682 u64 tid; /* transaction id */
683 u32 status;
684 };
685
686 struct multi_recv_comp {
687 struct recv_comp_data *slots;
688 u32 first; /* first data entry */
689 u32 next; /* next entry for writing */
690 };
691
692 struct netvsc_stats {
693 u64 packets;
694 u64 bytes;
695 u64 broadcast;
696 u64 multicast;
697 struct u64_stats_sync syncp;
698 };
699
700 struct netvsc_ethtool_stats {
701 unsigned long tx_scattered;
702 unsigned long tx_no_memory;
703 unsigned long tx_no_space;
704 unsigned long tx_too_big;
705 unsigned long tx_busy;
706 unsigned long tx_send_full;
707 unsigned long rx_comp_busy;
708 unsigned long rx_no_memory;
709 unsigned long stop_queue;
710 unsigned long wake_queue;
711 };
712
713 struct netvsc_vf_pcpu_stats {
714 u64 rx_packets;
715 u64 rx_bytes;
716 u64 tx_packets;
717 u64 tx_bytes;
718 struct u64_stats_sync syncp;
719 u32 tx_dropped;
720 };
721
722 struct netvsc_reconfig {
723 struct list_head list;
724 u32 event;
725 };
726
727 /* L4 hash bits for different protocols */
728 #define HV_TCP4_L4HASH 1
729 #define HV_TCP6_L4HASH 2
730 #define HV_UDP4_L4HASH 4
731 #define HV_UDP6_L4HASH 8
732 #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \
733 HV_UDP6_L4HASH)
734
735 /* The context of the netvsc device */
736 struct net_device_context {
737 /* point back to our device context */
738 struct hv_device *device_ctx;
739 /* netvsc_device */
740 struct netvsc_device __rcu *nvdev;
741 /* reconfigure work */
742 struct delayed_work dwork;
743 /* last reconfig time */
744 unsigned long last_reconfig;
745 /* reconfig events */
746 struct list_head reconfig_events;
747 /* list protection */
748 spinlock_t lock;
749
750 u32 msg_enable; /* debug level */
751
752 u32 tx_checksum_mask;
753
754 u32 tx_table[VRSS_SEND_TAB_SIZE];
755
756 /* Ethtool settings */
757 u8 duplex;
758 u32 speed;
759 u32 l4_hash; /* L4 hash settings */
760 struct netvsc_ethtool_stats eth_stats;
761
762 /* State to manage the associated VF interface. */
763 struct net_device __rcu *vf_netdev;
764 struct netvsc_vf_pcpu_stats __percpu *vf_stats;
765 struct delayed_work vf_takeover;
766
767 /* 1: allocated, serial number is valid. 0: not allocated */
768 u32 vf_alloc;
769 /* Serial number of the VF to team with */
770 u32 vf_serial;
771 };
772
773 /* Per channel data */
774 struct netvsc_channel {
775 struct vmbus_channel *channel;
776 struct netvsc_device *net_device;
777 const struct vmpacket_descriptor *desc;
778 struct napi_struct napi;
779 struct multi_send_data msd;
780 struct multi_recv_comp mrc;
781 atomic_t queue_sends;
782
783 struct netvsc_stats tx_stats;
784 struct netvsc_stats rx_stats;
785 };
786
787 /* Per netvsc device */
788 struct netvsc_device {
789 u32 nvsp_version;
790
791 wait_queue_head_t wait_drain;
792 bool destroy;
793
794 /* Receive buffer allocated by us but manages by NetVSP */
795 void *recv_buf;
796 u32 recv_buf_gpadl_handle;
797 u32 recv_section_cnt;
798 u32 recv_section_size;
799 u32 recv_completion_cnt;
800
801 /* Send buffer allocated by us */
802 void *send_buf;
803 u32 send_buf_gpadl_handle;
804 u32 send_section_cnt;
805 u32 send_section_size;
806 unsigned long *send_section_map;
807
808 /* Used for NetVSP initialization protocol */
809 struct completion channel_init_wait;
810 struct nvsp_message channel_init_pkt;
811
812 struct nvsp_message revoke_packet;
813
814 u32 max_chn;
815 u32 num_chn;
816
817 atomic_t open_chn;
818 struct work_struct subchan_work;
819 wait_queue_head_t subchan_open;
820
821 struct rndis_device *extension;
822
823 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
824 u32 pkt_align; /* alignment bytes, e.g. 8 */
825
826 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
827
828 struct rcu_head rcu;
829 };
830
831 /* NdisInitialize message */
832 struct rndis_initialize_request {
833 u32 req_id;
834 u32 major_ver;
835 u32 minor_ver;
836 u32 max_xfer_size;
837 };
838
839 /* Response to NdisInitialize */
840 struct rndis_initialize_complete {
841 u32 req_id;
842 u32 status;
843 u32 major_ver;
844 u32 minor_ver;
845 u32 dev_flags;
846 u32 medium;
847 u32 max_pkt_per_msg;
848 u32 max_xfer_size;
849 u32 pkt_alignment_factor;
850 u32 af_list_offset;
851 u32 af_list_size;
852 };
853
854 /* Call manager devices only: Information about an address family */
855 /* supported by the device is appended to the response to NdisInitialize. */
856 struct rndis_co_address_family {
857 u32 address_family;
858 u32 major_ver;
859 u32 minor_ver;
860 };
861
862 /* NdisHalt message */
863 struct rndis_halt_request {
864 u32 req_id;
865 };
866
867 /* NdisQueryRequest message */
868 struct rndis_query_request {
869 u32 req_id;
870 u32 oid;
871 u32 info_buflen;
872 u32 info_buf_offset;
873 u32 dev_vc_handle;
874 };
875
876 /* Response to NdisQueryRequest */
877 struct rndis_query_complete {
878 u32 req_id;
879 u32 status;
880 u32 info_buflen;
881 u32 info_buf_offset;
882 };
883
884 /* NdisSetRequest message */
885 struct rndis_set_request {
886 u32 req_id;
887 u32 oid;
888 u32 info_buflen;
889 u32 info_buf_offset;
890 u32 dev_vc_handle;
891 };
892
893 /* Response to NdisSetRequest */
894 struct rndis_set_complete {
895 u32 req_id;
896 u32 status;
897 };
898
899 /* NdisReset message */
900 struct rndis_reset_request {
901 u32 reserved;
902 };
903
904 /* Response to NdisReset */
905 struct rndis_reset_complete {
906 u32 status;
907 u32 addressing_reset;
908 };
909
910 /* NdisMIndicateStatus message */
911 struct rndis_indicate_status {
912 u32 status;
913 u32 status_buflen;
914 u32 status_buf_offset;
915 };
916
917 /* Diagnostic information passed as the status buffer in */
918 /* struct rndis_indicate_status messages signifying error conditions. */
919 struct rndis_diagnostic_info {
920 u32 diag_status;
921 u32 error_offset;
922 };
923
924 /* NdisKeepAlive message */
925 struct rndis_keepalive_request {
926 u32 req_id;
927 };
928
929 /* Response to NdisKeepAlive */
930 struct rndis_keepalive_complete {
931 u32 req_id;
932 u32 status;
933 };
934
935 /*
936 * Data message. All Offset fields contain byte offsets from the beginning of
937 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
938 * to 0 for connectionless data, otherwise it contains the VC handle.
939 */
940 struct rndis_packet {
941 u32 data_offset;
942 u32 data_len;
943 u32 oob_data_offset;
944 u32 oob_data_len;
945 u32 num_oob_data_elements;
946 u32 per_pkt_info_offset;
947 u32 per_pkt_info_len;
948 u32 vc_handle;
949 u32 reserved;
950 };
951
952 /* Optional Out of Band data associated with a Data message. */
953 struct rndis_oobd {
954 u32 size;
955 u32 type;
956 u32 class_info_offset;
957 };
958
959 /* Packet extension field contents associated with a Data message. */
960 struct rndis_per_packet_info {
961 u32 size;
962 u32 type;
963 u32 ppi_offset;
964 };
965
966 enum ndis_per_pkt_info_type {
967 TCPIP_CHKSUM_PKTINFO,
968 IPSEC_PKTINFO,
969 TCP_LARGESEND_PKTINFO,
970 CLASSIFICATION_HANDLE_PKTINFO,
971 NDIS_RESERVED,
972 SG_LIST_PKTINFO,
973 IEEE_8021Q_INFO,
974 ORIGINAL_PKTINFO,
975 PACKET_CANCEL_ID,
976 NBL_HASH_VALUE = PACKET_CANCEL_ID,
977 ORIGINAL_NET_BUFLIST,
978 CACHED_NET_BUFLIST,
979 SHORT_PKT_PADINFO,
980 MAX_PER_PKT_INFO
981 };
982
983 struct ndis_pkt_8021q_info {
984 union {
985 struct {
986 u32 pri:3; /* User Priority */
987 u32 cfi:1; /* Canonical Format ID */
988 u32 vlanid:12; /* VLAN ID */
989 u32 reserved:16;
990 };
991 u32 value;
992 };
993 };
994
995 struct ndis_object_header {
996 u8 type;
997 u8 revision;
998 u16 size;
999 };
1000
1001 #define NDIS_OBJECT_TYPE_DEFAULT 0x80
1002 #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
1003 #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
1004 #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
1005
1006 #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
1007 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
1008 #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
1009 #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
1010 #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
1011 #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
1012 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
1013 #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
1014 #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
1015 #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
1016
1017 #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
1018 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
1019 #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
1020
1021 #define VERSION_4_OFFLOAD_SIZE 22
1022 /*
1023 * New offload OIDs for NDIS 6
1024 */
1025 #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
1026 #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
1027 #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
1028 #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
1029 #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
1030 #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
1031
1032 /*
1033 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
1034 * ndis_type: NDIS_OBJTYPE_OFFLOAD
1035 */
1036
1037 #define NDIS_OFFLOAD_ENCAP_NONE 0x0000
1038 #define NDIS_OFFLOAD_ENCAP_NULL 0x0001
1039 #define NDIS_OFFLOAD_ENCAP_8023 0x0002
1040 #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004
1041 #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008
1042 #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010
1043
1044 struct ndis_csum_offload {
1045 u32 ip4_txenc;
1046 u32 ip4_txcsum;
1047 #define NDIS_TXCSUM_CAP_IP4OPT 0x001
1048 #define NDIS_TXCSUM_CAP_TCP4OPT 0x004
1049 #define NDIS_TXCSUM_CAP_TCP4 0x010
1050 #define NDIS_TXCSUM_CAP_UDP4 0x040
1051 #define NDIS_TXCSUM_CAP_IP4 0x100
1052
1053 #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1054
1055 u32 ip4_rxenc;
1056 u32 ip4_rxcsum;
1057 #define NDIS_RXCSUM_CAP_IP4OPT 0x001
1058 #define NDIS_RXCSUM_CAP_TCP4OPT 0x004
1059 #define NDIS_RXCSUM_CAP_TCP4 0x010
1060 #define NDIS_RXCSUM_CAP_UDP4 0x040
1061 #define NDIS_RXCSUM_CAP_IP4 0x100
1062 u32 ip6_txenc;
1063 u32 ip6_txcsum;
1064 #define NDIS_TXCSUM_CAP_IP6EXT 0x001
1065 #define NDIS_TXCSUM_CAP_TCP6OPT 0x004
1066 #define NDIS_TXCSUM_CAP_TCP6 0x010
1067 #define NDIS_TXCSUM_CAP_UDP6 0x040
1068 u32 ip6_rxenc;
1069 u32 ip6_rxcsum;
1070 #define NDIS_RXCSUM_CAP_IP6EXT 0x001
1071 #define NDIS_RXCSUM_CAP_TCP6OPT 0x004
1072 #define NDIS_RXCSUM_CAP_TCP6 0x010
1073 #define NDIS_RXCSUM_CAP_UDP6 0x040
1074
1075 #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \
1076 NDIS_TXCSUM_CAP_TCP6OPT | \
1077 NDIS_TXCSUM_CAP_IP6EXT)
1078 };
1079
1080 struct ndis_lsov1_offload {
1081 u32 encap;
1082 u32 maxsize;
1083 u32 minsegs;
1084 u32 opts;
1085 };
1086
1087 struct ndis_ipsecv1_offload {
1088 u32 encap;
1089 u32 ah_esp;
1090 u32 xport_tun;
1091 u32 ip4_opts;
1092 u32 flags;
1093 u32 ip4_ah;
1094 u32 ip4_esp;
1095 };
1096
1097 struct ndis_lsov2_offload {
1098 u32 ip4_encap;
1099 u32 ip4_maxsz;
1100 u32 ip4_minsg;
1101 u32 ip6_encap;
1102 u32 ip6_maxsz;
1103 u32 ip6_minsg;
1104 u32 ip6_opts;
1105 #define NDIS_LSOV2_CAP_IP6EXT 0x001
1106 #define NDIS_LSOV2_CAP_TCP6OPT 0x004
1107
1108 #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \
1109 NDIS_LSOV2_CAP_TCP6OPT)
1110 };
1111
1112 struct ndis_ipsecv2_offload {
1113 u32 encap;
1114 u16 ip6;
1115 u16 ip4opt;
1116 u16 ip6ext;
1117 u16 ah;
1118 u16 esp;
1119 u16 ah_esp;
1120 u16 xport;
1121 u16 tun;
1122 u16 xport_tun;
1123 u16 lso;
1124 u16 extseq;
1125 u32 udp_esp;
1126 u32 auth;
1127 u32 crypto;
1128 u32 sa_caps;
1129 };
1130
1131 struct ndis_rsc_offload {
1132 u16 ip4;
1133 u16 ip6;
1134 };
1135
1136 struct ndis_encap_offload {
1137 u32 flags;
1138 u32 maxhdr;
1139 };
1140
1141 struct ndis_offload {
1142 struct ndis_object_header header;
1143 struct ndis_csum_offload csum;
1144 struct ndis_lsov1_offload lsov1;
1145 struct ndis_ipsecv1_offload ipsecv1;
1146 struct ndis_lsov2_offload lsov2;
1147 u32 flags;
1148 /* NDIS >= 6.1 */
1149 struct ndis_ipsecv2_offload ipsecv2;
1150 /* NDIS >= 6.30 */
1151 struct ndis_rsc_offload rsc;
1152 struct ndis_encap_offload encap_gre;
1153 };
1154
1155 #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload)
1156 #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2)
1157 #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc)
1158
1159 struct ndis_offload_params {
1160 struct ndis_object_header header;
1161 u8 ip_v4_csum;
1162 u8 tcp_ip_v4_csum;
1163 u8 udp_ip_v4_csum;
1164 u8 tcp_ip_v6_csum;
1165 u8 udp_ip_v6_csum;
1166 u8 lso_v1;
1167 u8 ip_sec_v1;
1168 u8 lso_v2_ipv4;
1169 u8 lso_v2_ipv6;
1170 u8 tcp_connection_ip_v4;
1171 u8 tcp_connection_ip_v6;
1172 u32 flags;
1173 u8 ip_sec_v2;
1174 u8 ip_sec_v2_ip_v4;
1175 struct {
1176 u8 rsc_ip_v4;
1177 u8 rsc_ip_v6;
1178 };
1179 struct {
1180 u8 encapsulated_packet_task_offload;
1181 u8 encapsulation_types;
1182 };
1183 };
1184
1185 struct ndis_tcp_ip_checksum_info {
1186 union {
1187 struct {
1188 u32 is_ipv4:1;
1189 u32 is_ipv6:1;
1190 u32 tcp_checksum:1;
1191 u32 udp_checksum:1;
1192 u32 ip_header_checksum:1;
1193 u32 reserved:11;
1194 u32 tcp_header_offset:10;
1195 } transmit;
1196 struct {
1197 u32 tcp_checksum_failed:1;
1198 u32 udp_checksum_failed:1;
1199 u32 ip_checksum_failed:1;
1200 u32 tcp_checksum_succeeded:1;
1201 u32 udp_checksum_succeeded:1;
1202 u32 ip_checksum_succeeded:1;
1203 u32 loopback:1;
1204 u32 tcp_checksum_value_invalid:1;
1205 u32 ip_checksum_value_invalid:1;
1206 } receive;
1207 u32 value;
1208 };
1209 };
1210
1211 struct ndis_tcp_lso_info {
1212 union {
1213 struct {
1214 u32 unused:30;
1215 u32 type:1;
1216 u32 reserved2:1;
1217 } transmit;
1218 struct {
1219 u32 mss:20;
1220 u32 tcp_header_offset:10;
1221 u32 type:1;
1222 u32 reserved2:1;
1223 } lso_v1_transmit;
1224 struct {
1225 u32 tcp_payload:30;
1226 u32 type:1;
1227 u32 reserved2:1;
1228 } lso_v1_transmit_complete;
1229 struct {
1230 u32 mss:20;
1231 u32 tcp_header_offset:10;
1232 u32 type:1;
1233 u32 ip_version:1;
1234 } lso_v2_transmit;
1235 struct {
1236 u32 reserved:30;
1237 u32 type:1;
1238 u32 reserved2:1;
1239 } lso_v2_transmit_complete;
1240 u32 value;
1241 };
1242 };
1243
1244 #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1245 sizeof(struct ndis_pkt_8021q_info))
1246
1247 #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1248 sizeof(struct ndis_tcp_ip_checksum_info))
1249
1250 #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1251 sizeof(struct ndis_tcp_lso_info))
1252
1253 #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1254 sizeof(u32))
1255
1256 /* Total size of all PPI data */
1257 #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1258 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1259
1260 /* Format of Information buffer passed in a SetRequest for the OID */
1261 /* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1262 struct rndis_config_parameter_info {
1263 u32 parameter_name_offset;
1264 u32 parameter_name_length;
1265 u32 parameter_type;
1266 u32 parameter_value_offset;
1267 u32 parameter_value_length;
1268 };
1269
1270 /* Values for ParameterType in struct rndis_config_parameter_info */
1271 #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1272 #define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1273
1274 /* CONDIS Miniport messages for connection oriented devices */
1275 /* that do not implement a call manager. */
1276
1277 /* CoNdisMiniportCreateVc message */
1278 struct rcondis_mp_create_vc {
1279 u32 req_id;
1280 u32 ndis_vc_handle;
1281 };
1282
1283 /* Response to CoNdisMiniportCreateVc */
1284 struct rcondis_mp_create_vc_complete {
1285 u32 req_id;
1286 u32 dev_vc_handle;
1287 u32 status;
1288 };
1289
1290 /* CoNdisMiniportDeleteVc message */
1291 struct rcondis_mp_delete_vc {
1292 u32 req_id;
1293 u32 dev_vc_handle;
1294 };
1295
1296 /* Response to CoNdisMiniportDeleteVc */
1297 struct rcondis_mp_delete_vc_complete {
1298 u32 req_id;
1299 u32 status;
1300 };
1301
1302 /* CoNdisMiniportQueryRequest message */
1303 struct rcondis_mp_query_request {
1304 u32 req_id;
1305 u32 request_type;
1306 u32 oid;
1307 u32 dev_vc_handle;
1308 u32 info_buflen;
1309 u32 info_buf_offset;
1310 };
1311
1312 /* CoNdisMiniportSetRequest message */
1313 struct rcondis_mp_set_request {
1314 u32 req_id;
1315 u32 request_type;
1316 u32 oid;
1317 u32 dev_vc_handle;
1318 u32 info_buflen;
1319 u32 info_buf_offset;
1320 };
1321
1322 /* CoNdisIndicateStatus message */
1323 struct rcondis_indicate_status {
1324 u32 ndis_vc_handle;
1325 u32 status;
1326 u32 status_buflen;
1327 u32 status_buf_offset;
1328 };
1329
1330 /* CONDIS Call/VC parameters */
1331 struct rcondis_specific_parameters {
1332 u32 parameter_type;
1333 u32 parameter_length;
1334 u32 parameter_lffset;
1335 };
1336
1337 struct rcondis_media_parameters {
1338 u32 flags;
1339 u32 reserved1;
1340 u32 reserved2;
1341 struct rcondis_specific_parameters media_specific;
1342 };
1343
1344 struct rndis_flowspec {
1345 u32 token_rate;
1346 u32 token_bucket_size;
1347 u32 peak_bandwidth;
1348 u32 latency;
1349 u32 delay_variation;
1350 u32 service_type;
1351 u32 max_sdu_size;
1352 u32 minimum_policed_size;
1353 };
1354
1355 struct rcondis_call_manager_parameters {
1356 struct rndis_flowspec transmit;
1357 struct rndis_flowspec receive;
1358 struct rcondis_specific_parameters call_mgr_specific;
1359 };
1360
1361 /* CoNdisMiniportActivateVc message */
1362 struct rcondis_mp_activate_vc_request {
1363 u32 req_id;
1364 u32 flags;
1365 u32 dev_vc_handle;
1366 u32 media_params_offset;
1367 u32 media_params_length;
1368 u32 call_mgr_params_offset;
1369 u32 call_mgr_params_length;
1370 };
1371
1372 /* Response to CoNdisMiniportActivateVc */
1373 struct rcondis_mp_activate_vc_complete {
1374 u32 req_id;
1375 u32 status;
1376 };
1377
1378 /* CoNdisMiniportDeactivateVc message */
1379 struct rcondis_mp_deactivate_vc_request {
1380 u32 req_id;
1381 u32 flags;
1382 u32 dev_vc_handle;
1383 };
1384
1385 /* Response to CoNdisMiniportDeactivateVc */
1386 struct rcondis_mp_deactivate_vc_complete {
1387 u32 req_id;
1388 u32 status;
1389 };
1390
1391
1392 /* union with all of the RNDIS messages */
1393 union rndis_message_container {
1394 struct rndis_packet pkt;
1395 struct rndis_initialize_request init_req;
1396 struct rndis_halt_request halt_req;
1397 struct rndis_query_request query_req;
1398 struct rndis_set_request set_req;
1399 struct rndis_reset_request reset_req;
1400 struct rndis_keepalive_request keep_alive_req;
1401 struct rndis_indicate_status indicate_status;
1402 struct rndis_initialize_complete init_complete;
1403 struct rndis_query_complete query_complete;
1404 struct rndis_set_complete set_complete;
1405 struct rndis_reset_complete reset_complete;
1406 struct rndis_keepalive_complete keep_alive_complete;
1407 struct rcondis_mp_create_vc co_miniport_create_vc;
1408 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1409 struct rcondis_indicate_status co_indicate_status;
1410 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1411 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1412 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1413 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1414 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1415 struct rcondis_mp_deactivate_vc_complete
1416 co_miniport_deactivate_vc_complete;
1417 };
1418
1419 /* Remote NDIS message format */
1420 struct rndis_message {
1421 u32 ndis_msg_type;
1422
1423 /* Total length of this message, from the beginning */
1424 /* of the struct rndis_message, in bytes. */
1425 u32 msg_len;
1426
1427 /* Actual message */
1428 union rndis_message_container msg;
1429 };
1430
1431
1432 /* Handy macros */
1433
1434 /* get the size of an RNDIS message. Pass in the message type, */
1435 /* struct rndis_set_request, struct rndis_packet for example */
1436 #define RNDIS_MESSAGE_SIZE(msg) \
1437 (sizeof(msg) + (sizeof(struct rndis_message) - \
1438 sizeof(union rndis_message_container)))
1439
1440 #define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1441 sizeof(union rndis_message_container))
1442
1443 #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1444
1445 #define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1446 #define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1447 #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1448 #define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1449 #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1450 #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1451 #define NDIS_PACKET_TYPE_SMT 0x00000040
1452 #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1453 #define NDIS_PACKET_TYPE_GROUP 0x00000100
1454 #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1455 #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1456 #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1457
1458 #define TRANSPORT_INFO_NOT_IP 0
1459 #define TRANSPORT_INFO_IPV4_TCP 0x01
1460 #define TRANSPORT_INFO_IPV4_UDP 0x02
1461 #define TRANSPORT_INFO_IPV6_TCP 0x10
1462 #define TRANSPORT_INFO_IPV6_UDP 0x20
1463
1464 #endif /* _HYPERV_NET_H */
CRIS linux kernel tree