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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/* Fwd declaration */
32struct hv_netvsc_packet;
33struct ndis_tcp_ip_checksum_info;
34
35/* Represent the xfer page packet which contains 1 or more netvsc packet */
36struct xferpage_packet {
37 struct list_head list_ent;
38 u32 status;
39
40 /* # of netvsc packets this xfer packet contains */
41 u32 count;
42};
43
44/*
45 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
46 * within the RNDIS
47 */
48struct hv_netvsc_packet {
49 /* Bookkeeping stuff */
50 struct list_head list_ent;
51 u32 status;
52
53 struct hv_device *device;
54 bool is_data_pkt;
55 u16 vlan_tci;
56
57 /*
58 * Valid only for receives when we break a xfer page packet
59 * into multiple netvsc packets
60 */
61 struct xferpage_packet *xfer_page_pkt;
62
63 union {
64 struct {
65 u64 recv_completion_tid;
66 void *recv_completion_ctx;
67 void (*recv_completion)(void *context);
68 } recv;
69 struct {
70 u64 send_completion_tid;
71 void *send_completion_ctx;
72 void (*send_completion)(void *context);
73 } send;
74 } completion;
75
76 /* This points to the memory after page_buf */
77 struct rndis_message *rndis_msg;
78
79 u32 total_data_buflen;
80 /* Points to the send/receive buffer where the ethernet frame is */
81 void *data;
82 u32 page_buf_cnt;
83 struct hv_page_buffer page_buf[0];
84};
85
86struct netvsc_device_info {
87 unsigned char mac_adr[ETH_ALEN];
88 bool link_state; /* 0 - link up, 1 - link down */
89 int ring_size;
90};
91
92enum rndis_device_state {
93 RNDIS_DEV_UNINITIALIZED = 0,
94 RNDIS_DEV_INITIALIZING,
95 RNDIS_DEV_INITIALIZED,
96 RNDIS_DEV_DATAINITIALIZED,
97};
98
99struct rndis_device {
100 struct netvsc_device *net_dev;
101
102 enum rndis_device_state state;
103 bool link_state;
104 atomic_t new_req_id;
105
106 spinlock_t request_lock;
107 struct list_head req_list;
108
109 unsigned char hw_mac_adr[ETH_ALEN];
110};
111
112
113/* Interface */
114int netvsc_device_add(struct hv_device *device, void *additional_info);
115int netvsc_device_remove(struct hv_device *device);
116int netvsc_send(struct hv_device *device,
117 struct hv_netvsc_packet *packet);
118void netvsc_linkstatus_callback(struct hv_device *device_obj,
119 unsigned int status);
120int netvsc_recv_callback(struct hv_device *device_obj,
121 struct hv_netvsc_packet *packet,
122 struct ndis_tcp_ip_checksum_info *csum_info);
123int rndis_filter_open(struct hv_device *dev);
124int rndis_filter_close(struct hv_device *dev);
125int rndis_filter_device_add(struct hv_device *dev,
126 void *additional_info);
127void rndis_filter_device_remove(struct hv_device *dev);
128int rndis_filter_receive(struct hv_device *dev,
129 struct hv_netvsc_packet *pkt);
130
131int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter);
132int rndis_filter_set_device_mac(struct hv_device *hdev, char *mac);
133
134
135#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
136
137#define NVSP_PROTOCOL_VERSION_1 2
138#define NVSP_PROTOCOL_VERSION_2 0x30002
139#define NVSP_PROTOCOL_VERSION_4 0x40000
140#define NVSP_PROTOCOL_VERSION_5 0x50000
141
142enum {
143 NVSP_MSG_TYPE_NONE = 0,
144
145 /* Init Messages */
146 NVSP_MSG_TYPE_INIT = 1,
147 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
148
149 NVSP_VERSION_MSG_START = 100,
150
151 /* Version 1 Messages */
152 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
153
154 NVSP_MSG1_TYPE_SEND_RECV_BUF,
155 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
156 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
157
158 NVSP_MSG1_TYPE_SEND_SEND_BUF,
159 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
160 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
161
162 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
163 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
164
165 /* Version 2 messages */
166 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
167 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
168 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
169
170 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
171
172 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
173 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
174
175 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
176
177 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
178 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
179
180 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
181 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
182
183 NVSP_MSG2_TYPE_ALLOC_RXBUF,
184 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
185
186 NVSP_MSG2_TYPE_FREE_RXBUF,
187
188 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
189 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
190
191 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
192
193 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
194 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
195
196 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
197
198 /* Version 4 messages */
199 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
200 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
201 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
202
203 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
204
205 /* Version 5 messages */
206 NVSP_MSG5_TYPE_OID_QUERY_EX,
207 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
208 NVSP_MSG5_TYPE_SUBCHANNEL,
209 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
210
211 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
212};
213
214enum {
215 NVSP_STAT_NONE = 0,
216 NVSP_STAT_SUCCESS,
217 NVSP_STAT_FAIL,
218 NVSP_STAT_PROTOCOL_TOO_NEW,
219 NVSP_STAT_PROTOCOL_TOO_OLD,
220 NVSP_STAT_INVALID_RNDIS_PKT,
221 NVSP_STAT_BUSY,
222 NVSP_STAT_PROTOCOL_UNSUPPORTED,
223 NVSP_STAT_MAX,
224};
225
226struct nvsp_message_header {
227 u32 msg_type;
228};
229
230/* Init Messages */
231
232/*
233 * This message is used by the VSC to initialize the channel after the channels
234 * has been opened. This message should never include anything other then
235 * versioning (i.e. this message will be the same for ever).
236 */
237struct nvsp_message_init {
238 u32 min_protocol_ver;
239 u32 max_protocol_ver;
240} __packed;
241
242/*
243 * This message is used by the VSP to complete the initialization of the
244 * channel. This message should never include anything other then versioning
245 * (i.e. this message will be the same for ever).
246 */
247struct nvsp_message_init_complete {
248 u32 negotiated_protocol_ver;
249 u32 max_mdl_chain_len;
250 u32 status;
251} __packed;
252
253union nvsp_message_init_uber {
254 struct nvsp_message_init init;
255 struct nvsp_message_init_complete init_complete;
256} __packed;
257
258/* Version 1 Messages */
259
260/*
261 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
262 * can use this information when handling OIDs sent by the VSC.
263 */
264struct nvsp_1_message_send_ndis_version {
265 u32 ndis_major_ver;
266 u32 ndis_minor_ver;
267} __packed;
268
269/*
270 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
271 * can then use the receive buffer to send data to the VSC.
272 */
273struct nvsp_1_message_send_receive_buffer {
274 u32 gpadl_handle;
275 u16 id;
276} __packed;
277
278struct nvsp_1_receive_buffer_section {
279 u32 offset;
280 u32 sub_alloc_size;
281 u32 num_sub_allocs;
282 u32 end_offset;
283} __packed;
284
285/*
286 * This message is used by the VSP to acknowledge a receive buffer send by the
287 * VSC. This message must be sent by the VSP before the VSP uses the receive
288 * buffer.
289 */
290struct nvsp_1_message_send_receive_buffer_complete {
291 u32 status;
292 u32 num_sections;
293
294 /*
295 * The receive buffer is split into two parts, a large suballocation
296 * section and a small suballocation section. These sections are then
297 * suballocated by a certain size.
298 */
299
300 /*
301 * For example, the following break up of the receive buffer has 6
302 * large suballocations and 10 small suballocations.
303 */
304
305 /*
306 * | Large Section | | Small Section |
307 * ------------------------------------------------------------
308 * | | | | | | | | | | | | | | | | | |
309 * | |
310 * LargeOffset SmallOffset
311 */
312
313 struct nvsp_1_receive_buffer_section sections[1];
314} __packed;
315
316/*
317 * This message is sent by the VSC to revoke the receive buffer. After the VSP
318 * completes this transaction, the vsp should never use the receive buffer
319 * again.
320 */
321struct nvsp_1_message_revoke_receive_buffer {
322 u16 id;
323};
324
325/*
326 * This message is used by the VSC to send a send buffer to the VSP. The VSC
327 * can then use the send buffer to send data to the VSP.
328 */
329struct nvsp_1_message_send_send_buffer {
330 u32 gpadl_handle;
331 u16 id;
332} __packed;
333
334/*
335 * This message is used by the VSP to acknowledge a send buffer sent by the
336 * VSC. This message must be sent by the VSP before the VSP uses the sent
337 * buffer.
338 */
339struct nvsp_1_message_send_send_buffer_complete {
340 u32 status;
341
342 /*
343 * The VSC gets to choose the size of the send buffer and the VSP gets
344 * to choose the sections size of the buffer. This was done to enable
345 * dynamic reconfigurations when the cost of GPA-direct buffers
346 * decreases.
347 */
348 u32 section_size;
349} __packed;
350
351/*
352 * This message is sent by the VSC to revoke the send buffer. After the VSP
353 * completes this transaction, the vsp should never use the send buffer again.
354 */
355struct nvsp_1_message_revoke_send_buffer {
356 u16 id;
357};
358
359/*
360 * This message is used by both the VSP and the VSC to send a RNDIS message to
361 * the opposite channel endpoint.
362 */
363struct nvsp_1_message_send_rndis_packet {
364 /*
365 * This field is specified by RNIDS. They assume there's two different
366 * channels of communication. However, the Network VSP only has one.
367 * Therefore, the channel travels with the RNDIS packet.
368 */
369 u32 channel_type;
370
371 /*
372 * This field is used to send part or all of the data through a send
373 * buffer. This values specifies an index into the send buffer. If the
374 * index is 0xFFFFFFFF, then the send buffer is not being used and all
375 * of the data was sent through other VMBus mechanisms.
376 */
377 u32 send_buf_section_index;
378 u32 send_buf_section_size;
379} __packed;
380
381/*
382 * This message is used by both the VSP and the VSC to complete a RNDIS message
383 * to the opposite channel endpoint. At this point, the initiator of this
384 * message cannot use any resources associated with the original RNDIS packet.
385 */
386struct nvsp_1_message_send_rndis_packet_complete {
387 u32 status;
388};
389
390union nvsp_1_message_uber {
391 struct nvsp_1_message_send_ndis_version send_ndis_ver;
392
393 struct nvsp_1_message_send_receive_buffer send_recv_buf;
394 struct nvsp_1_message_send_receive_buffer_complete
395 send_recv_buf_complete;
396 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
397
398 struct nvsp_1_message_send_send_buffer send_send_buf;
399 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
400 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
401
402 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
403 struct nvsp_1_message_send_rndis_packet_complete
404 send_rndis_pkt_complete;
405} __packed;
406
407
408/*
409 * Network VSP protocol version 2 messages:
410 */
411struct nvsp_2_vsc_capability {
412 union {
413 u64 data;
414 struct {
415 u64 vmq:1;
416 u64 chimney:1;
417 u64 sriov:1;
418 u64 ieee8021q:1;
419 u64 correlation_id:1;
420 };
421 };
422} __packed;
423
424struct nvsp_2_send_ndis_config {
425 u32 mtu;
426 u32 reserved;
427 struct nvsp_2_vsc_capability capability;
428} __packed;
429
430/* Allocate receive buffer */
431struct nvsp_2_alloc_rxbuf {
432 /* Allocation ID to match the allocation request and response */
433 u32 alloc_id;
434
435 /* Length of the VM shared memory receive buffer that needs to
436 * be allocated
437 */
438 u32 len;
439} __packed;
440
441/* Allocate receive buffer complete */
442struct nvsp_2_alloc_rxbuf_comp {
443 /* The NDIS_STATUS code for buffer allocation */
444 u32 status;
445
446 u32 alloc_id;
447
448 /* GPADL handle for the allocated receive buffer */
449 u32 gpadl_handle;
450
451 /* Receive buffer ID */
452 u64 recv_buf_id;
453} __packed;
454
455struct nvsp_2_free_rxbuf {
456 u64 recv_buf_id;
457} __packed;
458
459union nvsp_2_message_uber {
460 struct nvsp_2_send_ndis_config send_ndis_config;
461 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
462 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
463 struct nvsp_2_free_rxbuf free_rxbuf;
464} __packed;
465
466enum nvsp_subchannel_operation {
467 NVSP_SUBCHANNEL_NONE = 0,
468 NVSP_SUBCHANNEL_ALLOCATE,
469 NVSP_SUBCHANNEL_MAX
470};
471
472struct nvsp_5_subchannel_request {
473 u32 op;
474 u32 num_subchannels;
475} __packed;
476
477struct nvsp_5_subchannel_complete {
478 u32 status;
479 u32 num_subchannels; /* Actual number of subchannels allocated */
480} __packed;
481
482struct nvsp_5_send_indirect_table {
483 /* The number of entries in the send indirection table */
484 u32 count;
485
486 /* The offset of the send indireciton table from top of this struct.
487 * The send indirection table tells which channel to put the send
488 * traffic on. Each entry is a channel number.
489 */
490 u32 offset;
491} __packed;
492
493union nvsp_5_message_uber {
494 struct nvsp_5_subchannel_request subchn_req;
495 struct nvsp_5_subchannel_complete subchn_comp;
496 struct nvsp_5_send_indirect_table send_table;
497} __packed;
498
499union nvsp_all_messages {
500 union nvsp_message_init_uber init_msg;
501 union nvsp_1_message_uber v1_msg;
502 union nvsp_2_message_uber v2_msg;
503 union nvsp_5_message_uber v5_msg;
504} __packed;
505
506/* ALL Messages */
507struct nvsp_message {
508 struct nvsp_message_header hdr;
509 union nvsp_all_messages msg;
510} __packed;
511
512
513#define NETVSC_MTU 65536
514
515#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
516#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
517
518#define NETVSC_RECEIVE_BUFFER_ID 0xcafe
519
520/* Preallocated receive packets */
521#define NETVSC_RECEIVE_PACKETLIST_COUNT 256
522
523#define NETVSC_PACKET_SIZE 2048
524
525/* Per netvsc channel-specific */
526struct netvsc_device {
527 struct hv_device *dev;
528
529 u32 nvsp_version;
530
531 atomic_t num_outstanding_sends;
532 wait_queue_head_t wait_drain;
533 bool start_remove;
534 bool destroy;
535 /*
536 * List of free preallocated hv_netvsc_packet to represent receive
537 * packet
538 */
539 struct list_head recv_pkt_list;
540 spinlock_t recv_pkt_list_lock;
541
542 /* Receive buffer allocated by us but manages by NetVSP */
543 void *recv_buf;
544 u32 recv_buf_size;
545 u32 recv_buf_gpadl_handle;
546 u32 recv_section_cnt;
547 struct nvsp_1_receive_buffer_section *recv_section;
548
549 /* Used for NetVSP initialization protocol */
550 struct completion channel_init_wait;
551 struct nvsp_message channel_init_pkt;
552
553 struct nvsp_message revoke_packet;
554 /* unsigned char HwMacAddr[HW_MACADDR_LEN]; */
555
556 struct net_device *ndev;
557
558 /* Holds rndis device info */
559 void *extension;
560 /* The recive buffer for this device */
561 unsigned char cb_buffer[NETVSC_PACKET_SIZE];
562};
563
564/* NdisInitialize message */
565struct rndis_initialize_request {
566 u32 req_id;
567 u32 major_ver;
568 u32 minor_ver;
569 u32 max_xfer_size;
570};
571
572/* Response to NdisInitialize */
573struct rndis_initialize_complete {
574 u32 req_id;
575 u32 status;
576 u32 major_ver;
577 u32 minor_ver;
578 u32 dev_flags;
579 u32 medium;
580 u32 max_pkt_per_msg;
581 u32 max_xfer_size;
582 u32 pkt_alignment_factor;
583 u32 af_list_offset;
584 u32 af_list_size;
585};
586
587/* Call manager devices only: Information about an address family */
588/* supported by the device is appended to the response to NdisInitialize. */
589struct rndis_co_address_family {
590 u32 address_family;
591 u32 major_ver;
592 u32 minor_ver;
593};
594
595/* NdisHalt message */
596struct rndis_halt_request {
597 u32 req_id;
598};
599
600/* NdisQueryRequest message */
601struct rndis_query_request {
602 u32 req_id;
603 u32 oid;
604 u32 info_buflen;
605 u32 info_buf_offset;
606 u32 dev_vc_handle;
607};
608
609/* Response to NdisQueryRequest */
610struct rndis_query_complete {
611 u32 req_id;
612 u32 status;
613 u32 info_buflen;
614 u32 info_buf_offset;
615};
616
617/* NdisSetRequest message */
618struct rndis_set_request {
619 u32 req_id;
620 u32 oid;
621 u32 info_buflen;
622 u32 info_buf_offset;
623 u32 dev_vc_handle;
624};
625
626/* Response to NdisSetRequest */
627struct rndis_set_complete {
628 u32 req_id;
629 u32 status;
630};
631
632/* NdisReset message */
633struct rndis_reset_request {
634 u32 reserved;
635};
636
637/* Response to NdisReset */
638struct rndis_reset_complete {
639 u32 status;
640 u32 addressing_reset;
641};
642
643/* NdisMIndicateStatus message */
644struct rndis_indicate_status {
645 u32 status;
646 u32 status_buflen;
647 u32 status_buf_offset;
648};
649
650/* Diagnostic information passed as the status buffer in */
651/* struct rndis_indicate_status messages signifying error conditions. */
652struct rndis_diagnostic_info {
653 u32 diag_status;
654 u32 error_offset;
655};
656
657/* NdisKeepAlive message */
658struct rndis_keepalive_request {
659 u32 req_id;
660};
661
662/* Response to NdisKeepAlive */
663struct rndis_keepalive_complete {
664 u32 req_id;
665 u32 status;
666};
667
668/*
669 * Data message. All Offset fields contain byte offsets from the beginning of
670 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
671 * to 0 for connectionless data, otherwise it contains the VC handle.
672 */
673struct rndis_packet {
674 u32 data_offset;
675 u32 data_len;
676 u32 oob_data_offset;
677 u32 oob_data_len;
678 u32 num_oob_data_elements;
679 u32 per_pkt_info_offset;
680 u32 per_pkt_info_len;
681 u32 vc_handle;
682 u32 reserved;
683};
684
685/* Optional Out of Band data associated with a Data message. */
686struct rndis_oobd {
687 u32 size;
688 u32 type;
689 u32 class_info_offset;
690};
691
692/* Packet extension field contents associated with a Data message. */
693struct rndis_per_packet_info {
694 u32 size;
695 u32 type;
696 u32 ppi_offset;
697};
698
699enum ndis_per_pkt_info_type {
700 TCPIP_CHKSUM_PKTINFO,
701 IPSEC_PKTINFO,
702 TCP_LARGESEND_PKTINFO,
703 CLASSIFICATION_HANDLE_PKTINFO,
704 NDIS_RESERVED,
705 SG_LIST_PKTINFO,
706 IEEE_8021Q_INFO,
707 ORIGINAL_PKTINFO,
708 PACKET_CANCEL_ID,
709 ORIGINAL_NET_BUFLIST,
710 CACHED_NET_BUFLIST,
711 SHORT_PKT_PADINFO,
712 MAX_PER_PKT_INFO
713};
714
715struct ndis_pkt_8021q_info {
716 union {
717 struct {
718 u32 pri:3; /* User Priority */
719 u32 cfi:1; /* Canonical Format ID */
720 u32 vlanid:12; /* VLAN ID */
721 u32 reserved:16;
722 };
723 u32 value;
724 };
725};
726
727struct ndis_oject_header {
728 u8 type;
729 u8 revision;
730 u16 size;
731};
732
733#define NDIS_OBJECT_TYPE_DEFAULT 0x80
734#define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
735#define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
736#define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
737#define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
738#define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
739#define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
740#define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
741#define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
742#define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
743#define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
744#define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
745
746#define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
747#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
748#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
749
750#define VERSION_4_OFFLOAD_SIZE 22
751/*
752 * New offload OIDs for NDIS 6
753 */
754#define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
755#define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
756#define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
757#define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
758#define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
759#define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
760
761struct ndis_offload_params {
762 struct ndis_oject_header header;
763 u8 ip_v4_csum;
764 u8 tcp_ip_v4_csum;
765 u8 udp_ip_v4_csum;
766 u8 tcp_ip_v6_csum;
767 u8 udp_ip_v6_csum;
768 u8 lso_v1;
769 u8 ip_sec_v1;
770 u8 lso_v2_ipv4;
771 u8 lso_v2_ipv6;
772 u8 tcp_connection_ip_v4;
773 u8 tcp_connection_ip_v6;
774 u32 flags;
775 u8 ip_sec_v2;
776 u8 ip_sec_v2_ip_v4;
777 struct {
778 u8 rsc_ip_v4;
779 u8 rsc_ip_v6;
780 };
781 struct {
782 u8 encapsulated_packet_task_offload;
783 u8 encapsulation_types;
784 };
785};
786
787struct ndis_tcp_ip_checksum_info {
788 union {
789 struct {
790 u32 is_ipv4:1;
791 u32 is_ipv6:1;
792 u32 tcp_checksum:1;
793 u32 udp_checksum:1;
794 u32 ip_header_checksum:1;
795 u32 reserved:11;
796 u32 tcp_header_offset:10;
797 } transmit;
798 struct {
799 u32 tcp_checksum_failed:1;
800 u32 udp_checksum_failed:1;
801 u32 ip_checksum_failed:1;
802 u32 tcp_checksum_succeeded:1;
803 u32 udp_checksum_succeeded:1;
804 u32 ip_checksum_succeeded:1;
805 u32 loopback:1;
806 u32 tcp_checksum_value_invalid:1;
807 u32 ip_checksum_value_invalid:1;
808 } receive;
809 u32 value;
810 };
811};
812
813struct ndis_tcp_lso_info {
814 union {
815 struct {
816 u32 unused:30;
817 u32 type:1;
818 u32 reserved2:1;
819 } transmit;
820 struct {
821 u32 mss:20;
822 u32 tcp_header_offset:10;
823 u32 type:1;
824 u32 reserved2:1;
825 } lso_v1_transmit;
826 struct {
827 u32 tcp_payload:30;
828 u32 type:1;
829 u32 reserved2:1;
830 } lso_v1_transmit_complete;
831 struct {
832 u32 mss:20;
833 u32 tcp_header_offset:10;
834 u32 type:1;
835 u32 ip_version:1;
836 } lso_v2_transmit;
837 struct {
838 u32 reserved:30;
839 u32 type:1;
840 u32 reserved2:1;
841 } lso_v2_transmit_complete;
842 u32 value;
843 };
844};
845
846#define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
847 sizeof(struct ndis_pkt_8021q_info))
848
849#define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
850 sizeof(struct ndis_tcp_ip_checksum_info))
851
852#define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
853 sizeof(struct ndis_tcp_lso_info))
854
855/* Format of Information buffer passed in a SetRequest for the OID */
856/* OID_GEN_RNDIS_CONFIG_PARAMETER. */
857struct rndis_config_parameter_info {
858 u32 parameter_name_offset;
859 u32 parameter_name_length;
860 u32 parameter_type;
861 u32 parameter_value_offset;
862 u32 parameter_value_length;
863};
864
865/* Values for ParameterType in struct rndis_config_parameter_info */
866#define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
867#define RNDIS_CONFIG_PARAM_TYPE_STRING 2
868
869/* CONDIS Miniport messages for connection oriented devices */
870/* that do not implement a call manager. */
871
872/* CoNdisMiniportCreateVc message */
873struct rcondis_mp_create_vc {
874 u32 req_id;
875 u32 ndis_vc_handle;
876};
877
878/* Response to CoNdisMiniportCreateVc */
879struct rcondis_mp_create_vc_complete {
880 u32 req_id;
881 u32 dev_vc_handle;
882 u32 status;
883};
884
885/* CoNdisMiniportDeleteVc message */
886struct rcondis_mp_delete_vc {
887 u32 req_id;
888 u32 dev_vc_handle;
889};
890
891/* Response to CoNdisMiniportDeleteVc */
892struct rcondis_mp_delete_vc_complete {
893 u32 req_id;
894 u32 status;
895};
896
897/* CoNdisMiniportQueryRequest message */
898struct rcondis_mp_query_request {
899 u32 req_id;
900 u32 request_type;
901 u32 oid;
902 u32 dev_vc_handle;
903 u32 info_buflen;
904 u32 info_buf_offset;
905};
906
907/* CoNdisMiniportSetRequest message */
908struct rcondis_mp_set_request {
909 u32 req_id;
910 u32 request_type;
911 u32 oid;
912 u32 dev_vc_handle;
913 u32 info_buflen;
914 u32 info_buf_offset;
915};
916
917/* CoNdisIndicateStatus message */
918struct rcondis_indicate_status {
919 u32 ndis_vc_handle;
920 u32 status;
921 u32 status_buflen;
922 u32 status_buf_offset;
923};
924
925/* CONDIS Call/VC parameters */
926struct rcondis_specific_parameters {
927 u32 parameter_type;
928 u32 parameter_length;
929 u32 parameter_lffset;
930};
931
932struct rcondis_media_parameters {
933 u32 flags;
934 u32 reserved1;
935 u32 reserved2;
936 struct rcondis_specific_parameters media_specific;
937};
938
939struct rndis_flowspec {
940 u32 token_rate;
941 u32 token_bucket_size;
942 u32 peak_bandwidth;
943 u32 latency;
944 u32 delay_variation;
945 u32 service_type;
946 u32 max_sdu_size;
947 u32 minimum_policed_size;
948};
949
950struct rcondis_call_manager_parameters {
951 struct rndis_flowspec transmit;
952 struct rndis_flowspec receive;
953 struct rcondis_specific_parameters call_mgr_specific;
954};
955
956/* CoNdisMiniportActivateVc message */
957struct rcondis_mp_activate_vc_request {
958 u32 req_id;
959 u32 flags;
960 u32 dev_vc_handle;
961 u32 media_params_offset;
962 u32 media_params_length;
963 u32 call_mgr_params_offset;
964 u32 call_mgr_params_length;
965};
966
967/* Response to CoNdisMiniportActivateVc */
968struct rcondis_mp_activate_vc_complete {
969 u32 req_id;
970 u32 status;
971};
972
973/* CoNdisMiniportDeactivateVc message */
974struct rcondis_mp_deactivate_vc_request {
975 u32 req_id;
976 u32 flags;
977 u32 dev_vc_handle;
978};
979
980/* Response to CoNdisMiniportDeactivateVc */
981struct rcondis_mp_deactivate_vc_complete {
982 u32 req_id;
983 u32 status;
984};
985
986
987/* union with all of the RNDIS messages */
988union rndis_message_container {
989 struct rndis_packet pkt;
990 struct rndis_initialize_request init_req;
991 struct rndis_halt_request halt_req;
992 struct rndis_query_request query_req;
993 struct rndis_set_request set_req;
994 struct rndis_reset_request reset_req;
995 struct rndis_keepalive_request keep_alive_req;
996 struct rndis_indicate_status indicate_status;
997 struct rndis_initialize_complete init_complete;
998 struct rndis_query_complete query_complete;
999 struct rndis_set_complete set_complete;
1000 struct rndis_reset_complete reset_complete;
1001 struct rndis_keepalive_complete keep_alive_complete;
1002 struct rcondis_mp_create_vc co_miniport_create_vc;
1003 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1004 struct rcondis_indicate_status co_indicate_status;
1005 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1006 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1007 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1008 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1009 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1010 struct rcondis_mp_deactivate_vc_complete
1011 co_miniport_deactivate_vc_complete;
1012};
1013
1014/* Remote NDIS message format */
1015struct rndis_message {
1016 u32 ndis_msg_type;
1017
1018 /* Total length of this message, from the beginning */
1019 /* of the sruct rndis_message, in bytes. */
1020 u32 msg_len;
1021
1022 /* Actual message */
1023 union rndis_message_container msg;
1024};
1025
1026
1027/* Handy macros */
1028
1029/* get the size of an RNDIS message. Pass in the message type, */
1030/* struct rndis_set_request, struct rndis_packet for example */
1031#define RNDIS_MESSAGE_SIZE(msg) \
1032 (sizeof(msg) + (sizeof(struct rndis_message) - \
1033 sizeof(union rndis_message_container)))
1034
1035/* get pointer to info buffer with message pointer */
1036#define MESSAGE_TO_INFO_BUFFER(msg) \
1037 (((unsigned char *)(msg)) + msg->info_buf_offset)
1038
1039/* get pointer to status buffer with message pointer */
1040#define MESSAGE_TO_STATUS_BUFFER(msg) \
1041 (((unsigned char *)(msg)) + msg->status_buf_offset)
1042
1043/* get pointer to OOBD buffer with message pointer */
1044#define MESSAGE_TO_OOBD_BUFFER(msg) \
1045 (((unsigned char *)(msg)) + msg->oob_data_offset)
1046
1047/* get pointer to data buffer with message pointer */
1048#define MESSAGE_TO_DATA_BUFFER(msg) \
1049 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1050
1051/* get pointer to contained message from NDIS_MESSAGE pointer */
1052#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1053 ((void *) &rndis_msg->msg)
1054
1055/* get pointer to contained message from NDIS_MESSAGE pointer */
1056#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1057 ((void *) rndis_msg)
1058
1059
1060#define __struct_bcount(x)
1061
1062
1063
1064#define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1065 sizeof(union rndis_message_container))
1066
1067#define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1068#define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1069#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1070#define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1071#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1072#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1073#define NDIS_PACKET_TYPE_SMT 0x00000040
1074#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1075#define NDIS_PACKET_TYPE_GROUP 0x00000100
1076#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1077#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1078#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1079
1080#define INFO_IPV4 2
1081#define INFO_IPV6 4
1082#define INFO_TCP 2
1083#define INFO_UDP 4
1084
1085#define TRANSPORT_INFO_NOT_IP 0
1086#define TRANSPORT_INFO_IPV4_TCP ((INFO_IPV4 << 16) | INFO_TCP)
1087#define TRANSPORT_INFO_IPV4_UDP ((INFO_IPV4 << 16) | INFO_UDP)
1088#define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
1089#define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
1090
1091
1092#endif /* _HYPERV_NET_H */