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K. Y. Srinivasan5ca72522011-05-12 19:34:37 -07001/*
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
Jeff Kirsheradf8d3f2013-12-06 06:28:47 -080015 * this program; if not, see <http://www.gnu.org/licenses/>.
K. Y. Srinivasan5ca72522011-05-12 19:34:37 -070016 *
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
K. Y. Srinivasan8a079412011-05-12 19:34:42 -070027#include <linux/list.h>
Greg Kroah-Hartman46a97192011-10-04 12:29:52 -070028#include <linux/hyperv.h>
Linus Walleij75911572012-05-11 22:15:50 +000029#include <linux/rndis.h>
K. Y. Srinivasan41308862011-05-12 19:34:38 -070030
Haiyang Zhang5b54dac2014-04-21 10:20:28 -070031/* 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
stephen hemminger23312a32017-01-24 13:05:59 -080037#define NDIS_OBJECT_TYPE_OFFLOAD 0xa7
Haiyang Zhang5b54dac2014-04-21 10:20:28 -070038
39#define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2
40#define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2
41
42struct 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
59struct 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
Haiyang Zhang5b54dac2014-04-21 10:20:28 -070088
89struct 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
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700120/* Fwd declaration */
KY Srinivasane3d605e2014-03-08 19:23:16 -0800121struct ndis_tcp_ip_checksum_info;
stephen hemmingerdc54a082017-01-24 13:06:08 -0800122struct ndis_pkt_8021q_info;
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700123
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700124/*
125 * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame
126 * within the RNDIS
KY Srinivasanc0eb4542015-12-01 16:43:10 -0800127 *
128 * The size of this structure is less than 48 bytes and we can now
129 * place this structure in the skb->cb field.
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700130 */
131struct hv_netvsc_packet {
132 /* Bookkeeping stuff */
KY Srinivasan22e9dd22015-12-01 16:43:03 -0800133 u8 cp_partial; /* partial copy into send buffer */
Haiyang Zhangaa0a34b2015-04-13 16:34:35 -0700134
KY Srinivasan934d2022015-12-01 16:43:04 -0800135 u8 rmsg_size; /* RNDIS header and PPI size */
136 u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */
137 u8 page_buf_cnt;
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700138
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700139 u16 q_idx;
stephen hemminger793e3952017-01-24 13:06:12 -0800140 u16 total_packets;
KY Srinivasan934d2022015-12-01 16:43:04 -0800141
stephen hemminger793e3952017-01-24 13:06:12 -0800142 u32 total_bytes;
143 u32 send_buf_index;
KY Srinivasan934d2022015-12-01 16:43:04 -0800144 u32 total_data_buflen;
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700145};
146
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700147struct netvsc_device_info {
Jianjun Kong9a4c8312013-01-18 16:52:09 +0000148 unsigned char mac_adr[ETH_ALEN];
K. Y. Srinivasan78001df2011-05-12 19:35:04 -0700149 int ring_size;
Andrew Schwartzmeyer8ebdcc52015-08-11 17:14:31 -0700150 u32 num_chn;
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700151};
152
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800153enum rndis_device_state {
154 RNDIS_DEV_UNINITIALIZED = 0,
155 RNDIS_DEV_INITIALIZING,
156 RNDIS_DEV_INITIALIZED,
157 RNDIS_DEV_DATAINITIALIZED,
158};
159
stephen hemminger962f3fe2017-01-24 13:06:02 -0800160#define NETVSC_HASH_KEYLEN 40
161
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800162struct rndis_device {
Vitaly Kuznetsov3d541ac2016-05-13 13:55:22 +0200163 struct net_device *ndev;
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800164
165 enum rndis_device_state state;
Haiyang Zhangdedb4592017-06-21 16:40:46 -0700166
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800167 atomic_t new_req_id;
168
169 spinlock_t request_lock;
170 struct list_head req_list;
171
stephen hemminger4f19c0d2017-06-07 15:53:49 -0700172 struct work_struct mcast_work;
173
Haiyang Zhangdedb4592017-06-21 16:40:46 -0700174 bool link_state; /* 0 - link up, 1 - link down */
175
stephen hemminger962f3fe2017-01-24 13:06:02 -0800176 u8 hw_mac_adr[ETH_ALEN];
177 u8 rss_key[NETVSC_HASH_KEYLEN];
stephen hemmingerff4a4412017-01-24 13:06:04 -0800178 u16 ind_table[ITAB_NUM];
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800179};
180
181
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700182/* Interface */
KY Srinivasan24476762015-12-01 16:43:06 -0800183struct rndis_message;
Vitaly Kuznetsov2f5fa6c2016-06-03 17:51:00 +0200184struct netvsc_device;
stephen hemminger2a926f72017-07-19 11:53:17 -0700185struct net_device_context;
186
stephen hemminger9749fed2017-07-19 11:53:16 -0700187struct netvsc_device *netvsc_device_add(struct hv_device *device,
188 const struct netvsc_device_info *info);
Stephen Hemmingere08f3ea2016-08-23 12:17:50 -0700189void netvsc_device_remove(struct hv_device *device);
stephen hemminger2a926f72017-07-19 11:53:17 -0700190int netvsc_send(struct net_device_context *ndc,
KY Srinivasan24476762015-12-01 16:43:06 -0800191 struct hv_netvsc_packet *packet,
KY Srinivasana9f2e2d2015-12-01 16:43:13 -0800192 struct rndis_message *rndis_msg,
KY Srinivasan3a3d9a02015-12-01 16:43:14 -0800193 struct hv_page_buffer **page_buffer,
194 struct sk_buff *skb);
K. Y. Srinivasan90ef1172011-05-12 19:34:50 -0700195void netvsc_linkstatus_callback(struct hv_device *device_obj,
Haiyang Zhang3a494e72014-06-19 18:34:36 -0700196 struct rndis_message *resp);
stephen hemmingerdc54a082017-01-24 13:06:08 -0800197int netvsc_recv_callback(struct net_device *net,
198 struct vmbus_channel *channel,
199 void *data, u32 len,
200 const struct ndis_tcp_ip_checksum_info *csum_info,
201 const struct ndis_pkt_8021q_info *vlan);
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700202void netvsc_channel_cb(void *context);
stephen hemminger15a863b2017-02-27 10:26:49 -0800203int netvsc_poll(struct napi_struct *napi, int budget);
stephen hemmingerea383bf2017-07-19 11:53:15 -0700204bool rndis_filter_opened(const struct netvsc_device *nvdev);
Vitaly Kuznetsov2f5fa6c2016-06-03 17:51:00 +0200205int rndis_filter_open(struct netvsc_device *nvdev);
206int rndis_filter_close(struct netvsc_device *nvdev);
stephen hemminger9749fed2017-07-19 11:53:16 -0700207struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
208 struct netvsc_device_info *info);
stephen hemminger4f19c0d2017-06-07 15:53:49 -0700209void rndis_filter_update(struct netvsc_device *nvdev);
stephen hemminger2289f0a2017-01-24 13:06:10 -0800210void rndis_filter_device_remove(struct hv_device *dev,
211 struct netvsc_device *nvdev);
stephen hemminger962f3fe2017-01-24 13:06:02 -0800212int rndis_filter_set_rss_param(struct rndis_device *rdev,
213 const u8 *key, int num_queue);
stephen hemmingerdc54a082017-01-24 13:06:08 -0800214int rndis_filter_receive(struct net_device *ndev,
215 struct netvsc_device *net_dev,
216 struct hv_device *dev,
217 struct vmbus_channel *channel,
218 void *data, u32 buflen);
K. Y. Srinivasan41308862011-05-12 19:34:38 -0700219
Vitaly Kuznetsove834da9a2016-06-03 17:51:01 +0200220int rndis_filter_set_device_mac(struct net_device *ndev, char *mac);
Haiyang Zhangd426b2e2011-11-30 07:19:08 -0800221
Vitaly Kuznetsov0a1275c2016-05-13 13:55:23 +0200222void netvsc_switch_datapath(struct net_device *nv_dev, bool vf);
KY Srinivasan84bf9ce2016-04-14 16:31:54 -0700223
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700224#define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF)
225
226#define NVSP_PROTOCOL_VERSION_1 2
Haiyang Zhangf157e782011-12-15 13:45:16 -0800227#define NVSP_PROTOCOL_VERSION_2 0x30002
Haiyang Zhanga1eabb02014-02-19 15:49:45 -0800228#define NVSP_PROTOCOL_VERSION_4 0x40000
229#define NVSP_PROTOCOL_VERSION_5 0x50000
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700230
231enum {
232 NVSP_MSG_TYPE_NONE = 0,
233
234 /* Init Messages */
235 NVSP_MSG_TYPE_INIT = 1,
236 NVSP_MSG_TYPE_INIT_COMPLETE = 2,
237
238 NVSP_VERSION_MSG_START = 100,
239
240 /* Version 1 Messages */
241 NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START,
242
243 NVSP_MSG1_TYPE_SEND_RECV_BUF,
244 NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE,
245 NVSP_MSG1_TYPE_REVOKE_RECV_BUF,
246
247 NVSP_MSG1_TYPE_SEND_SEND_BUF,
248 NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE,
249 NVSP_MSG1_TYPE_REVOKE_SEND_BUF,
250
251 NVSP_MSG1_TYPE_SEND_RNDIS_PKT,
252 NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE,
253
Haiyang Zhangf157e782011-12-15 13:45:16 -0800254 /* Version 2 messages */
255 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF,
256 NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP,
257 NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF,
258
259 NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION,
260
261 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY,
262 NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP,
263
264 NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT,
265
266 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT,
267 NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP,
268
269 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ,
270 NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP,
271
272 NVSP_MSG2_TYPE_ALLOC_RXBUF,
273 NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP,
274
275 NVSP_MSG2_TYPE_FREE_RXBUF,
276
277 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT,
278 NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP,
279
280 NVSP_MSG2_TYPE_SEND_NDIS_CONFIG,
281
282 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE,
283 NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
Haiyang Zhanga1eabb02014-02-19 15:49:45 -0800284
285 NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP,
286
287 /* Version 4 messages */
288 NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION,
289 NVSP_MSG4_TYPE_SWITCH_DATA_PATH,
290 NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
291
292 NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED,
293
294 /* Version 5 messages */
295 NVSP_MSG5_TYPE_OID_QUERY_EX,
296 NVSP_MSG5_TYPE_OID_QUERY_EX_COMP,
297 NVSP_MSG5_TYPE_SUBCHANNEL,
298 NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
299
300 NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE,
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700301};
302
303enum {
304 NVSP_STAT_NONE = 0,
305 NVSP_STAT_SUCCESS,
306 NVSP_STAT_FAIL,
307 NVSP_STAT_PROTOCOL_TOO_NEW,
308 NVSP_STAT_PROTOCOL_TOO_OLD,
309 NVSP_STAT_INVALID_RNDIS_PKT,
310 NVSP_STAT_BUSY,
Haiyang Zhangf157e782011-12-15 13:45:16 -0800311 NVSP_STAT_PROTOCOL_UNSUPPORTED,
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700312 NVSP_STAT_MAX,
313};
314
315struct nvsp_message_header {
316 u32 msg_type;
317};
318
319/* Init Messages */
320
321/*
322 * This message is used by the VSC to initialize the channel after the channels
323 * has been opened. This message should never include anything other then
324 * versioning (i.e. this message will be the same for ever).
325 */
326struct nvsp_message_init {
327 u32 min_protocol_ver;
328 u32 max_protocol_ver;
329} __packed;
330
331/*
332 * This message is used by the VSP to complete the initialization of the
333 * channel. This message should never include anything other then versioning
334 * (i.e. this message will be the same for ever).
335 */
336struct nvsp_message_init_complete {
337 u32 negotiated_protocol_ver;
338 u32 max_mdl_chain_len;
339 u32 status;
340} __packed;
341
342union nvsp_message_init_uber {
343 struct nvsp_message_init init;
344 struct nvsp_message_init_complete init_complete;
345} __packed;
346
347/* Version 1 Messages */
348
349/*
350 * This message is used by the VSC to send the NDIS version to the VSP. The VSP
351 * can use this information when handling OIDs sent by the VSC.
352 */
353struct nvsp_1_message_send_ndis_version {
354 u32 ndis_major_ver;
355 u32 ndis_minor_ver;
356} __packed;
357
358/*
359 * This message is used by the VSC to send a receive buffer to the VSP. The VSP
360 * can then use the receive buffer to send data to the VSC.
361 */
362struct nvsp_1_message_send_receive_buffer {
363 u32 gpadl_handle;
364 u16 id;
365} __packed;
366
367struct nvsp_1_receive_buffer_section {
368 u32 offset;
369 u32 sub_alloc_size;
370 u32 num_sub_allocs;
371 u32 end_offset;
372} __packed;
373
374/*
375 * This message is used by the VSP to acknowledge a receive buffer send by the
376 * VSC. This message must be sent by the VSP before the VSP uses the receive
377 * buffer.
378 */
379struct nvsp_1_message_send_receive_buffer_complete {
380 u32 status;
381 u32 num_sections;
382
383 /*
384 * The receive buffer is split into two parts, a large suballocation
385 * section and a small suballocation section. These sections are then
386 * suballocated by a certain size.
387 */
388
389 /*
390 * For example, the following break up of the receive buffer has 6
391 * large suballocations and 10 small suballocations.
392 */
393
394 /*
395 * | Large Section | | Small Section |
396 * ------------------------------------------------------------
397 * | | | | | | | | | | | | | | | | | |
398 * | |
399 * LargeOffset SmallOffset
400 */
401
402 struct nvsp_1_receive_buffer_section sections[1];
403} __packed;
404
405/*
406 * This message is sent by the VSC to revoke the receive buffer. After the VSP
407 * completes this transaction, the vsp should never use the receive buffer
408 * again.
409 */
410struct nvsp_1_message_revoke_receive_buffer {
411 u16 id;
412};
413
414/*
415 * This message is used by the VSC to send a send buffer to the VSP. The VSC
416 * can then use the send buffer to send data to the VSP.
417 */
418struct nvsp_1_message_send_send_buffer {
419 u32 gpadl_handle;
420 u16 id;
421} __packed;
422
423/*
424 * This message is used by the VSP to acknowledge a send buffer sent by the
425 * VSC. This message must be sent by the VSP before the VSP uses the sent
426 * buffer.
427 */
428struct nvsp_1_message_send_send_buffer_complete {
429 u32 status;
430
431 /*
432 * The VSC gets to choose the size of the send buffer and the VSP gets
433 * to choose the sections size of the buffer. This was done to enable
434 * dynamic reconfigurations when the cost of GPA-direct buffers
435 * decreases.
436 */
437 u32 section_size;
438} __packed;
439
440/*
441 * This message is sent by the VSC to revoke the send buffer. After the VSP
442 * completes this transaction, the vsp should never use the send buffer again.
443 */
444struct nvsp_1_message_revoke_send_buffer {
445 u16 id;
446};
447
448/*
449 * This message is used by both the VSP and the VSC to send a RNDIS message to
450 * the opposite channel endpoint.
451 */
452struct nvsp_1_message_send_rndis_packet {
453 /*
Stephen Hemmingerc6a77ff2016-09-23 17:08:17 -0700454 * This field is specified by RNDIS. They assume there's two different
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700455 * channels of communication. However, the Network VSP only has one.
456 * Therefore, the channel travels with the RNDIS packet.
457 */
458 u32 channel_type;
459
460 /*
461 * This field is used to send part or all of the data through a send
462 * buffer. This values specifies an index into the send buffer. If the
463 * index is 0xFFFFFFFF, then the send buffer is not being used and all
464 * of the data was sent through other VMBus mechanisms.
465 */
466 u32 send_buf_section_index;
467 u32 send_buf_section_size;
468} __packed;
469
470/*
471 * This message is used by both the VSP and the VSC to complete a RNDIS message
472 * to the opposite channel endpoint. At this point, the initiator of this
473 * message cannot use any resources associated with the original RNDIS packet.
474 */
475struct nvsp_1_message_send_rndis_packet_complete {
476 u32 status;
477};
478
479union nvsp_1_message_uber {
480 struct nvsp_1_message_send_ndis_version send_ndis_ver;
481
482 struct nvsp_1_message_send_receive_buffer send_recv_buf;
483 struct nvsp_1_message_send_receive_buffer_complete
484 send_recv_buf_complete;
485 struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf;
486
487 struct nvsp_1_message_send_send_buffer send_send_buf;
488 struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete;
489 struct nvsp_1_message_revoke_send_buffer revoke_send_buf;
490
491 struct nvsp_1_message_send_rndis_packet send_rndis_pkt;
492 struct nvsp_1_message_send_rndis_packet_complete
493 send_rndis_pkt_complete;
494} __packed;
495
Haiyang Zhangf157e782011-12-15 13:45:16 -0800496
497/*
498 * Network VSP protocol version 2 messages:
499 */
500struct nvsp_2_vsc_capability {
501 union {
502 u64 data;
503 struct {
504 u64 vmq:1;
505 u64 chimney:1;
506 u64 sriov:1;
507 u64 ieee8021q:1;
508 u64 correlation_id:1;
Haiyang Zhang7f5d5af2016-08-04 10:42:15 -0700509 u64 teaming:1;
Haiyang Zhangf157e782011-12-15 13:45:16 -0800510 };
511 };
512} __packed;
513
514struct nvsp_2_send_ndis_config {
515 u32 mtu;
516 u32 reserved;
517 struct nvsp_2_vsc_capability capability;
518} __packed;
519
520/* Allocate receive buffer */
521struct nvsp_2_alloc_rxbuf {
522 /* Allocation ID to match the allocation request and response */
523 u32 alloc_id;
524
525 /* Length of the VM shared memory receive buffer that needs to
526 * be allocated
527 */
528 u32 len;
529} __packed;
530
531/* Allocate receive buffer complete */
532struct nvsp_2_alloc_rxbuf_comp {
533 /* The NDIS_STATUS code for buffer allocation */
534 u32 status;
535
536 u32 alloc_id;
537
538 /* GPADL handle for the allocated receive buffer */
539 u32 gpadl_handle;
540
541 /* Receive buffer ID */
542 u64 recv_buf_id;
543} __packed;
544
545struct nvsp_2_free_rxbuf {
546 u64 recv_buf_id;
547} __packed;
548
549union nvsp_2_message_uber {
550 struct nvsp_2_send_ndis_config send_ndis_config;
551 struct nvsp_2_alloc_rxbuf alloc_rxbuf;
552 struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp;
553 struct nvsp_2_free_rxbuf free_rxbuf;
554} __packed;
555
Haiyang Zhang71790a22015-07-24 10:08:40 -0700556struct nvsp_4_send_vf_association {
557 /* 1: allocated, serial number is valid. 0: not allocated */
558 u32 allocated;
559
560 /* Serial number of the VF to team with */
561 u32 serial;
562} __packed;
563
564enum nvsp_vm_datapath {
565 NVSP_DATAPATH_SYNTHETIC = 0,
566 NVSP_DATAPATH_VF,
567 NVSP_DATAPATH_MAX
568};
569
570struct nvsp_4_sw_datapath {
571 u32 active_datapath; /* active data path in VM */
572} __packed;
573
574union nvsp_4_message_uber {
575 struct nvsp_4_send_vf_association vf_assoc;
576 struct nvsp_4_sw_datapath active_dp;
577} __packed;
578
Haiyang Zhanga1eabb02014-02-19 15:49:45 -0800579enum nvsp_subchannel_operation {
580 NVSP_SUBCHANNEL_NONE = 0,
581 NVSP_SUBCHANNEL_ALLOCATE,
582 NVSP_SUBCHANNEL_MAX
583};
584
585struct nvsp_5_subchannel_request {
586 u32 op;
587 u32 num_subchannels;
588} __packed;
589
590struct nvsp_5_subchannel_complete {
591 u32 status;
592 u32 num_subchannels; /* Actual number of subchannels allocated */
593} __packed;
594
595struct nvsp_5_send_indirect_table {
596 /* The number of entries in the send indirection table */
597 u32 count;
598
Stephen Hemmingerc6a77ff2016-09-23 17:08:17 -0700599 /* The offset of the send indirection table from top of this struct.
Haiyang Zhanga1eabb02014-02-19 15:49:45 -0800600 * The send indirection table tells which channel to put the send
601 * traffic on. Each entry is a channel number.
602 */
603 u32 offset;
604} __packed;
605
606union nvsp_5_message_uber {
607 struct nvsp_5_subchannel_request subchn_req;
608 struct nvsp_5_subchannel_complete subchn_comp;
609 struct nvsp_5_send_indirect_table send_table;
610} __packed;
611
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700612union nvsp_all_messages {
613 union nvsp_message_init_uber init_msg;
614 union nvsp_1_message_uber v1_msg;
Haiyang Zhangf157e782011-12-15 13:45:16 -0800615 union nvsp_2_message_uber v2_msg;
Haiyang Zhang71790a22015-07-24 10:08:40 -0700616 union nvsp_4_message_uber v4_msg;
Haiyang Zhanga1eabb02014-02-19 15:49:45 -0800617 union nvsp_5_message_uber v5_msg;
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700618} __packed;
619
620/* ALL Messages */
621struct nvsp_message {
622 struct nvsp_message_header hdr;
623 union nvsp_all_messages msg;
624} __packed;
625
626
Jarod Wilsond0c2c992016-10-20 13:55:21 -0400627#define NETVSC_MTU 65535
628#define NETVSC_MTU_MIN ETH_MIN_MTU
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700629
Haiyang Zhangb679ef72014-01-27 15:03:42 -0800630#define NETVSC_RECEIVE_BUFFER_SIZE (1024*1024*16) /* 16MB */
Haiyang Zhang99d30162014-03-09 16:10:59 -0700631#define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024*1024*15) /* 15MB */
KY Srinivasanbe136ed2014-08-06 11:11:00 -0700632#define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */
KY Srinivasanc25aaf82014-04-30 10:14:31 -0700633#define NETVSC_INVALID_INDEX -1
634
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700635
636#define NETVSC_RECEIVE_BUFFER_ID 0xcafe
Haiyang Zhangc51ed182014-12-19 18:25:18 -0800637#define NETVSC_SEND_BUFFER_ID 0
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700638
Haiyang Zhangf90251c2014-08-15 19:18:19 +0000639#define NETVSC_PACKET_SIZE 4096
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700640
Haiyang Zhang8db91f62017-04-12 11:35:05 -0700641#define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */
Haiyang Zhang9efc2f72016-03-23 09:43:10 -0700642#define VRSS_CHANNEL_MAX 64
stephen hemminger2b018882017-01-24 13:06:03 -0800643#define VRSS_CHANNEL_DEFAULT 8
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700644
Haiyang Zhang7c3877f2015-03-26 09:03:37 -0700645#define RNDIS_MAX_PKT_DEFAULT 8
646#define RNDIS_PKT_ALIGN_DEFAULT 8
647
648struct multi_send_data {
Haiyang Zhangc85e4922016-01-25 09:49:31 -0800649 struct sk_buff *skb; /* skb containing the pkt */
Haiyang Zhang7c3877f2015-03-26 09:03:37 -0700650 struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
651 u32 count; /* counter of batched packets */
652};
653
Haiyang Zhangc0b558e2016-08-19 14:47:09 -0700654struct recv_comp_data {
655 u64 tid; /* transaction id */
656 u32 status;
657};
658
659/* Netvsc Receive Slots Max */
660#define NETVSC_RECVSLOT_MAX (NETVSC_RECEIVE_BUFFER_SIZE / ETH_DATA_LEN + 1)
661
662struct multi_recv_comp {
663 void *buf; /* queued receive completions */
664 u32 first; /* first data entry */
665 u32 next; /* next entry for writing */
666};
667
sixiao@microsoft.com7eafd9b2015-05-14 01:00:25 -0700668struct netvsc_stats {
669 u64 packets;
670 u64 bytes;
Stephen Hemmingerf7ad75b2016-09-22 16:56:35 -0700671 u64 broadcast;
672 u64 multicast;
sixiao@microsoft.com4b02b582015-05-15 02:33:03 -0700673 struct u64_stats_sync syncp;
sixiao@microsoft.com7eafd9b2015-05-14 01:00:25 -0700674};
675
Stephen Hemminger4323b472016-08-23 12:17:57 -0700676struct netvsc_ethtool_stats {
677 unsigned long tx_scattered;
678 unsigned long tx_no_memory;
679 unsigned long tx_no_space;
680 unsigned long tx_too_big;
681 unsigned long tx_busy;
682};
683
Vitaly Kuznetsov27a70af2015-11-27 11:39:55 +0100684struct netvsc_reconfig {
685 struct list_head list;
686 u32 event;
687};
688
Simon Xiao3f300ff2015-04-28 01:05:17 -0700689/* The context of the netvsc device */
690struct net_device_context {
691 /* point back to our device context */
692 struct hv_device *device_ctx;
Vitaly Kuznetsov3d541ac2016-05-13 13:55:22 +0200693 /* netvsc_device */
stephen hemminger545a8e72017-03-22 14:51:00 -0700694 struct netvsc_device __rcu *nvdev;
Vitaly Kuznetsov27a70af2015-11-27 11:39:55 +0100695 /* reconfigure work */
Simon Xiao3f300ff2015-04-28 01:05:17 -0700696 struct delayed_work dwork;
Vitaly Kuznetsov27a70af2015-11-27 11:39:55 +0100697 /* last reconfig time */
698 unsigned long last_reconfig;
699 /* reconfig events */
700 struct list_head reconfig_events;
701 /* list protection */
702 spinlock_t lock;
703
Simon Xiao3f300ff2015-04-28 01:05:17 -0700704 u32 msg_enable; /* debug level */
sixiao@microsoft.com7eafd9b2015-05-14 01:00:25 -0700705
stephen hemminger23312a32017-01-24 13:05:59 -0800706 u32 tx_checksum_mask;
sixiao@microsoft.com49eb9382016-02-25 15:24:08 -0800707
stephen hemminger7ce10122017-03-09 14:58:29 -0800708 u32 tx_send_table[VRSS_SEND_TAB_SIZE];
709
sixiao@microsoft.com49eb9382016-02-25 15:24:08 -0800710 /* Ethtool settings */
711 u8 duplex;
712 u32 speed;
Stephen Hemminger4323b472016-08-23 12:17:57 -0700713 struct netvsc_ethtool_stats eth_stats;
Vitaly Kuznetsovf580aec2016-05-13 13:55:20 +0200714
Vitaly Kuznetsovf9a7da92016-08-15 17:48:39 +0200715 /* State to manage the associated VF interface. */
Stephen Hemmingerf207c102016-09-22 16:56:33 -0700716 struct net_device __rcu *vf_netdev;
Stephen Hemminger9cbcc422016-09-22 16:56:34 -0700717
Vitaly Kuznetsovf9a7da92016-08-15 17:48:39 +0200718 /* 1: allocated, serial number is valid. 0: not allocated */
719 u32 vf_alloc;
720 /* Serial number of the VF to team with */
721 u32 vf_serial;
Haiyang Zhang53fa1a62017-06-21 16:40:47 -0700722
723 bool datapath; /* 0 - synthetic, 1 - VF nic */
Simon Xiao3f300ff2015-04-28 01:05:17 -0700724};
725
stephen hemmingerb8b835a2017-01-24 13:06:07 -0800726/* Per channel data */
727struct netvsc_channel {
728 struct vmbus_channel *channel;
stephen hemminger35fbbcc2017-07-19 11:53:18 -0700729 struct netvsc_device *net_device;
stephen hemmingerf4f1c232017-03-22 14:50:57 -0700730 const struct vmpacket_descriptor *desc;
stephen hemminger15a863b2017-02-27 10:26:49 -0800731 struct napi_struct napi;
stephen hemmingerb8b835a2017-01-24 13:06:07 -0800732 struct multi_send_data msd;
733 struct multi_recv_comp mrc;
734 atomic_t queue_sends;
Simon Xiao6c80f3f2017-01-24 13:06:13 -0800735
736 struct netvsc_stats tx_stats;
737 struct netvsc_stats rx_stats;
stephen hemmingerb8b835a2017-01-24 13:06:07 -0800738};
739
Haiyang Zhang7c3877f2015-03-26 09:03:37 -0700740/* Per netvsc device */
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700741struct netvsc_device {
Haiyang Zhangf157e782011-12-15 13:45:16 -0800742 u32 nvsp_version;
743
Haiyang Zhangdc5cd892012-06-04 06:42:38 +0000744 wait_queue_head_t wait_drain;
K. Y. Srinivasanc38b9c72011-08-27 11:31:12 -0700745 bool destroy;
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700746
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700747 /* Receive buffer allocated by us but manages by NetVSP */
748 void *recv_buf;
749 u32 recv_buf_size;
750 u32 recv_buf_gpadl_handle;
751 u32 recv_section_cnt;
752 struct nvsp_1_receive_buffer_section *recv_section;
753
KY Srinivasanc25aaf82014-04-30 10:14:31 -0700754 /* Send buffer allocated by us */
755 void *send_buf;
756 u32 send_buf_size;
757 u32 send_buf_gpadl_handle;
758 u32 send_section_cnt;
759 u32 send_section_size;
760 unsigned long *send_section_map;
KY Srinivasanc25aaf82014-04-30 10:14:31 -0700761
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700762 /* Used for NetVSP initialization protocol */
763 struct completion channel_init_wait;
764 struct nvsp_message channel_init_pkt;
765
766 struct nvsp_message revoke_packet;
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700767
Andrew Schwartzmeyer59995372015-02-26 16:27:14 -0800768 u32 max_chn;
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700769 u32 num_chn;
stephen hemminger43c7bd12017-03-22 14:51:02 -0700770
771 refcount_t sc_offered;
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700772
stephen hemminger2d05b562017-06-08 16:21:20 -0700773 struct rndis_device *extension;
Haiyang Zhang5b54dac2014-04-21 10:20:28 -0700774
775 int ring_size;
776
Haiyang Zhang7c3877f2015-03-26 09:03:37 -0700777 u32 max_pkt; /* max number of pkt in one send, e.g. 8 */
778 u32 pkt_align; /* alignment bytes, e.g. 8 */
Simon Xiao3f300ff2015-04-28 01:05:17 -0700779
Haiyang Zhangc0b558e2016-08-19 14:47:09 -0700780 atomic_t num_outstanding_recvs;
781
KY Srinivasan84bf9ce2016-04-14 16:31:54 -0700782 atomic_t open_cnt;
stephen hemmingerb8b835a2017-01-24 13:06:07 -0800783
784 struct netvsc_channel chan_table[VRSS_CHANNEL_MAX];
stephen hemminger545a8e72017-03-22 14:51:00 -0700785
786 struct rcu_head rcu;
K. Y. Srinivasan52584902011-05-12 19:34:39 -0700787};
788
K. Y. Srinivasan4a5cea32011-05-12 19:34:40 -0700789/* NdisInitialize message */
790struct rndis_initialize_request {
791 u32 req_id;
792 u32 major_ver;
793 u32 minor_ver;
794 u32 max_xfer_size;
795};
796
797/* Response to NdisInitialize */
798struct rndis_initialize_complete {
799 u32 req_id;
800 u32 status;
801 u32 major_ver;
802 u32 minor_ver;
803 u32 dev_flags;
804 u32 medium;
805 u32 max_pkt_per_msg;
806 u32 max_xfer_size;
807 u32 pkt_alignment_factor;
808 u32 af_list_offset;
809 u32 af_list_size;
810};
811
812/* Call manager devices only: Information about an address family */
813/* supported by the device is appended to the response to NdisInitialize. */
814struct rndis_co_address_family {
815 u32 address_family;
816 u32 major_ver;
817 u32 minor_ver;
818};
819
820/* NdisHalt message */
821struct rndis_halt_request {
822 u32 req_id;
823};
824
825/* NdisQueryRequest message */
826struct rndis_query_request {
827 u32 req_id;
828 u32 oid;
829 u32 info_buflen;
830 u32 info_buf_offset;
831 u32 dev_vc_handle;
832};
833
834/* Response to NdisQueryRequest */
835struct rndis_query_complete {
836 u32 req_id;
837 u32 status;
838 u32 info_buflen;
839 u32 info_buf_offset;
840};
841
842/* NdisSetRequest message */
843struct rndis_set_request {
844 u32 req_id;
845 u32 oid;
846 u32 info_buflen;
847 u32 info_buf_offset;
848 u32 dev_vc_handle;
849};
850
851/* Response to NdisSetRequest */
852struct rndis_set_complete {
853 u32 req_id;
854 u32 status;
855};
856
857/* NdisReset message */
858struct rndis_reset_request {
859 u32 reserved;
860};
861
862/* Response to NdisReset */
863struct rndis_reset_complete {
864 u32 status;
865 u32 addressing_reset;
866};
867
868/* NdisMIndicateStatus message */
869struct rndis_indicate_status {
870 u32 status;
871 u32 status_buflen;
872 u32 status_buf_offset;
873};
874
875/* Diagnostic information passed as the status buffer in */
876/* struct rndis_indicate_status messages signifying error conditions. */
877struct rndis_diagnostic_info {
878 u32 diag_status;
879 u32 error_offset;
880};
881
882/* NdisKeepAlive message */
883struct rndis_keepalive_request {
884 u32 req_id;
885};
886
887/* Response to NdisKeepAlive */
888struct rndis_keepalive_complete {
889 u32 req_id;
890 u32 status;
891};
892
893/*
894 * Data message. All Offset fields contain byte offsets from the beginning of
895 * struct rndis_packet. All Length fields are in bytes. VcHandle is set
896 * to 0 for connectionless data, otherwise it contains the VC handle.
897 */
898struct rndis_packet {
899 u32 data_offset;
900 u32 data_len;
901 u32 oob_data_offset;
902 u32 oob_data_len;
903 u32 num_oob_data_elements;
904 u32 per_pkt_info_offset;
905 u32 per_pkt_info_len;
906 u32 vc_handle;
907 u32 reserved;
908};
909
910/* Optional Out of Band data associated with a Data message. */
911struct rndis_oobd {
912 u32 size;
913 u32 type;
914 u32 class_info_offset;
915};
916
917/* Packet extension field contents associated with a Data message. */
918struct rndis_per_packet_info {
919 u32 size;
920 u32 type;
Haiyang Zhang1f5f3a72012-03-12 10:20:50 +0000921 u32 ppi_offset;
K. Y. Srinivasan4a5cea32011-05-12 19:34:40 -0700922};
923
Haiyang Zhang1f5f3a72012-03-12 10:20:50 +0000924enum ndis_per_pkt_info_type {
925 TCPIP_CHKSUM_PKTINFO,
926 IPSEC_PKTINFO,
927 TCP_LARGESEND_PKTINFO,
928 CLASSIFICATION_HANDLE_PKTINFO,
929 NDIS_RESERVED,
930 SG_LIST_PKTINFO,
931 IEEE_8021Q_INFO,
932 ORIGINAL_PKTINFO,
933 PACKET_CANCEL_ID,
Haiyang Zhang307f0992014-05-21 12:55:39 -0700934 NBL_HASH_VALUE = PACKET_CANCEL_ID,
Haiyang Zhang1f5f3a72012-03-12 10:20:50 +0000935 ORIGINAL_NET_BUFLIST,
936 CACHED_NET_BUFLIST,
937 SHORT_PKT_PADINFO,
938 MAX_PER_PKT_INFO
939};
940
941struct ndis_pkt_8021q_info {
942 union {
943 struct {
944 u32 pri:3; /* User Priority */
945 u32 cfi:1; /* Canonical Format ID */
946 u32 vlanid:12; /* VLAN ID */
947 u32 reserved:16;
948 };
949 u32 value;
950 };
951};
952
stephen hemminger23312a32017-01-24 13:05:59 -0800953struct ndis_object_header {
KY Srinivasan4a0e70a2014-03-08 19:23:15 -0800954 u8 type;
955 u8 revision;
956 u16 size;
957};
958
959#define NDIS_OBJECT_TYPE_DEFAULT 0x80
960#define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3
stephen hemminger23312a32017-01-24 13:05:59 -0800961#define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2
962#define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1
963
KY Srinivasan4a0e70a2014-03-08 19:23:15 -0800964#define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0
965#define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1
966#define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2
967#define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2
968#define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1
969#define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2
970#define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1
971#define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2
972#define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3
973#define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4
974
KY Srinivasan77bf5482014-03-08 19:23:18 -0800975#define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1
976#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0
977#define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1
978
KY Srinivasanaf9893a2014-04-09 15:00:47 -0700979#define VERSION_4_OFFLOAD_SIZE 22
KY Srinivasan4a0e70a2014-03-08 19:23:15 -0800980/*
981 * New offload OIDs for NDIS 6
982 */
983#define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */
984#define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */
985#define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */
986#define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */
987#define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */
988#define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */
989
stephen hemminger23312a32017-01-24 13:05:59 -0800990/*
991 * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES
992 * ndis_type: NDIS_OBJTYPE_OFFLOAD
993 */
994
995#define NDIS_OFFLOAD_ENCAP_NONE 0x0000
996#define NDIS_OFFLOAD_ENCAP_NULL 0x0001
997#define NDIS_OFFLOAD_ENCAP_8023 0x0002
998#define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004
999#define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008
1000#define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010
1001
1002struct ndis_csum_offload {
1003 u32 ip4_txenc;
1004 u32 ip4_txcsum;
1005#define NDIS_TXCSUM_CAP_IP4OPT 0x001
1006#define NDIS_TXCSUM_CAP_TCP4OPT 0x004
1007#define NDIS_TXCSUM_CAP_TCP4 0x010
1008#define NDIS_TXCSUM_CAP_UDP4 0x040
1009#define NDIS_TXCSUM_CAP_IP4 0x100
1010
1011#define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT)
1012
1013 u32 ip4_rxenc;
1014 u32 ip4_rxcsum;
1015#define NDIS_RXCSUM_CAP_IP4OPT 0x001
1016#define NDIS_RXCSUM_CAP_TCP4OPT 0x004
1017#define NDIS_RXCSUM_CAP_TCP4 0x010
1018#define NDIS_RXCSUM_CAP_UDP4 0x040
1019#define NDIS_RXCSUM_CAP_IP4 0x100
1020 u32 ip6_txenc;
1021 u32 ip6_txcsum;
1022#define NDIS_TXCSUM_CAP_IP6EXT 0x001
1023#define NDIS_TXCSUM_CAP_TCP6OPT 0x004
1024#define NDIS_TXCSUM_CAP_TCP6 0x010
1025#define NDIS_TXCSUM_CAP_UDP6 0x040
1026 u32 ip6_rxenc;
1027 u32 ip6_rxcsum;
1028#define NDIS_RXCSUM_CAP_IP6EXT 0x001
1029#define NDIS_RXCSUM_CAP_TCP6OPT 0x004
1030#define NDIS_RXCSUM_CAP_TCP6 0x010
1031#define NDIS_RXCSUM_CAP_UDP6 0x040
1032
1033#define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \
1034 NDIS_TXCSUM_CAP_TCP6OPT | \
1035 NDIS_TXCSUM_CAP_IP6EXT)
1036};
1037
1038struct ndis_lsov1_offload {
1039 u32 encap;
1040 u32 maxsize;
1041 u32 minsegs;
1042 u32 opts;
1043};
1044
1045struct ndis_ipsecv1_offload {
1046 u32 encap;
1047 u32 ah_esp;
1048 u32 xport_tun;
1049 u32 ip4_opts;
1050 u32 flags;
1051 u32 ip4_ah;
1052 u32 ip4_esp;
1053};
1054
1055struct ndis_lsov2_offload {
1056 u32 ip4_encap;
1057 u32 ip4_maxsz;
1058 u32 ip4_minsg;
1059 u32 ip6_encap;
1060 u32 ip6_maxsz;
1061 u32 ip6_minsg;
1062 u32 ip6_opts;
1063#define NDIS_LSOV2_CAP_IP6EXT 0x001
1064#define NDIS_LSOV2_CAP_TCP6OPT 0x004
1065
1066#define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \
1067 NDIS_LSOV2_CAP_TCP6OPT)
1068};
1069
1070struct ndis_ipsecv2_offload {
1071 u32 encap;
1072 u16 ip6;
1073 u16 ip4opt;
1074 u16 ip6ext;
1075 u16 ah;
1076 u16 esp;
1077 u16 ah_esp;
1078 u16 xport;
1079 u16 tun;
1080 u16 xport_tun;
1081 u16 lso;
1082 u16 extseq;
1083 u32 udp_esp;
1084 u32 auth;
1085 u32 crypto;
1086 u32 sa_caps;
1087};
1088
1089struct ndis_rsc_offload {
1090 u16 ip4;
1091 u16 ip6;
1092};
1093
1094struct ndis_encap_offload {
1095 u32 flags;
1096 u32 maxhdr;
1097};
1098
1099struct ndis_offload {
1100 struct ndis_object_header header;
1101 struct ndis_csum_offload csum;
1102 struct ndis_lsov1_offload lsov1;
1103 struct ndis_ipsecv1_offload ipsecv1;
1104 struct ndis_lsov2_offload lsov2;
1105 u32 flags;
1106 /* NDIS >= 6.1 */
1107 struct ndis_ipsecv2_offload ipsecv2;
1108 /* NDIS >= 6.30 */
1109 struct ndis_rsc_offload rsc;
1110 struct ndis_encap_offload encap_gre;
1111};
1112
1113#define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload)
1114#define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2)
1115#define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc)
1116
KY Srinivasan4a0e70a2014-03-08 19:23:15 -08001117struct ndis_offload_params {
stephen hemminger23312a32017-01-24 13:05:59 -08001118 struct ndis_object_header header;
KY Srinivasan4a0e70a2014-03-08 19:23:15 -08001119 u8 ip_v4_csum;
1120 u8 tcp_ip_v4_csum;
1121 u8 udp_ip_v4_csum;
1122 u8 tcp_ip_v6_csum;
1123 u8 udp_ip_v6_csum;
1124 u8 lso_v1;
1125 u8 ip_sec_v1;
1126 u8 lso_v2_ipv4;
1127 u8 lso_v2_ipv6;
1128 u8 tcp_connection_ip_v4;
1129 u8 tcp_connection_ip_v6;
1130 u32 flags;
1131 u8 ip_sec_v2;
1132 u8 ip_sec_v2_ip_v4;
1133 struct {
1134 u8 rsc_ip_v4;
1135 u8 rsc_ip_v6;
1136 };
1137 struct {
1138 u8 encapsulated_packet_task_offload;
1139 u8 encapsulation_types;
1140 };
1141};
1142
KY Srinivasane3d605e2014-03-08 19:23:16 -08001143struct ndis_tcp_ip_checksum_info {
1144 union {
1145 struct {
1146 u32 is_ipv4:1;
1147 u32 is_ipv6:1;
1148 u32 tcp_checksum:1;
1149 u32 udp_checksum:1;
1150 u32 ip_header_checksum:1;
1151 u32 reserved:11;
1152 u32 tcp_header_offset:10;
1153 } transmit;
1154 struct {
1155 u32 tcp_checksum_failed:1;
1156 u32 udp_checksum_failed:1;
1157 u32 ip_checksum_failed:1;
1158 u32 tcp_checksum_succeeded:1;
1159 u32 udp_checksum_succeeded:1;
1160 u32 ip_checksum_succeeded:1;
1161 u32 loopback:1;
1162 u32 tcp_checksum_value_invalid:1;
1163 u32 ip_checksum_value_invalid:1;
1164 } receive;
1165 u32 value;
1166 };
1167};
1168
KY Srinivasan77bf5482014-03-08 19:23:18 -08001169struct ndis_tcp_lso_info {
1170 union {
1171 struct {
1172 u32 unused:30;
1173 u32 type:1;
1174 u32 reserved2:1;
1175 } transmit;
1176 struct {
1177 u32 mss:20;
1178 u32 tcp_header_offset:10;
1179 u32 type:1;
1180 u32 reserved2:1;
1181 } lso_v1_transmit;
1182 struct {
1183 u32 tcp_payload:30;
1184 u32 type:1;
1185 u32 reserved2:1;
1186 } lso_v1_transmit_complete;
1187 struct {
1188 u32 mss:20;
1189 u32 tcp_header_offset:10;
1190 u32 type:1;
1191 u32 ip_version:1;
1192 } lso_v2_transmit;
1193 struct {
1194 u32 reserved:30;
1195 u32 type:1;
1196 u32 reserved2:1;
1197 } lso_v2_transmit_complete;
1198 u32 value;
1199 };
1200};
1201
Haiyang Zhang1f5f3a72012-03-12 10:20:50 +00001202#define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1203 sizeof(struct ndis_pkt_8021q_info))
1204
KY Srinivasane3d605e2014-03-08 19:23:16 -08001205#define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1206 sizeof(struct ndis_tcp_ip_checksum_info))
1207
KY Srinivasan77bf5482014-03-08 19:23:18 -08001208#define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1209 sizeof(struct ndis_tcp_lso_info))
1210
Haiyang Zhang307f0992014-05-21 12:55:39 -07001211#define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \
1212 sizeof(u32))
1213
Haiyang Zhang72151422015-04-06 15:22:53 -07001214/* Total size of all PPI data */
1215#define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \
1216 NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE)
1217
K. Y. Srinivasan4a5cea32011-05-12 19:34:40 -07001218/* Format of Information buffer passed in a SetRequest for the OID */
1219/* OID_GEN_RNDIS_CONFIG_PARAMETER. */
1220struct rndis_config_parameter_info {
1221 u32 parameter_name_offset;
1222 u32 parameter_name_length;
1223 u32 parameter_type;
1224 u32 parameter_value_offset;
1225 u32 parameter_value_length;
1226};
1227
1228/* Values for ParameterType in struct rndis_config_parameter_info */
1229#define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0
1230#define RNDIS_CONFIG_PARAM_TYPE_STRING 2
1231
1232/* CONDIS Miniport messages for connection oriented devices */
1233/* that do not implement a call manager. */
1234
1235/* CoNdisMiniportCreateVc message */
1236struct rcondis_mp_create_vc {
1237 u32 req_id;
1238 u32 ndis_vc_handle;
1239};
1240
1241/* Response to CoNdisMiniportCreateVc */
1242struct rcondis_mp_create_vc_complete {
1243 u32 req_id;
1244 u32 dev_vc_handle;
1245 u32 status;
1246};
1247
1248/* CoNdisMiniportDeleteVc message */
1249struct rcondis_mp_delete_vc {
1250 u32 req_id;
1251 u32 dev_vc_handle;
1252};
1253
1254/* Response to CoNdisMiniportDeleteVc */
1255struct rcondis_mp_delete_vc_complete {
1256 u32 req_id;
1257 u32 status;
1258};
1259
1260/* CoNdisMiniportQueryRequest message */
1261struct rcondis_mp_query_request {
1262 u32 req_id;
1263 u32 request_type;
1264 u32 oid;
1265 u32 dev_vc_handle;
1266 u32 info_buflen;
1267 u32 info_buf_offset;
1268};
1269
1270/* CoNdisMiniportSetRequest message */
1271struct rcondis_mp_set_request {
1272 u32 req_id;
1273 u32 request_type;
1274 u32 oid;
1275 u32 dev_vc_handle;
1276 u32 info_buflen;
1277 u32 info_buf_offset;
1278};
1279
1280/* CoNdisIndicateStatus message */
1281struct rcondis_indicate_status {
1282 u32 ndis_vc_handle;
1283 u32 status;
1284 u32 status_buflen;
1285 u32 status_buf_offset;
1286};
1287
1288/* CONDIS Call/VC parameters */
1289struct rcondis_specific_parameters {
1290 u32 parameter_type;
1291 u32 parameter_length;
1292 u32 parameter_lffset;
1293};
1294
1295struct rcondis_media_parameters {
1296 u32 flags;
1297 u32 reserved1;
1298 u32 reserved2;
1299 struct rcondis_specific_parameters media_specific;
1300};
1301
1302struct rndis_flowspec {
1303 u32 token_rate;
1304 u32 token_bucket_size;
1305 u32 peak_bandwidth;
1306 u32 latency;
1307 u32 delay_variation;
1308 u32 service_type;
1309 u32 max_sdu_size;
1310 u32 minimum_policed_size;
1311};
1312
1313struct rcondis_call_manager_parameters {
1314 struct rndis_flowspec transmit;
1315 struct rndis_flowspec receive;
1316 struct rcondis_specific_parameters call_mgr_specific;
1317};
1318
1319/* CoNdisMiniportActivateVc message */
1320struct rcondis_mp_activate_vc_request {
1321 u32 req_id;
1322 u32 flags;
1323 u32 dev_vc_handle;
1324 u32 media_params_offset;
1325 u32 media_params_length;
1326 u32 call_mgr_params_offset;
1327 u32 call_mgr_params_length;
1328};
1329
1330/* Response to CoNdisMiniportActivateVc */
1331struct rcondis_mp_activate_vc_complete {
1332 u32 req_id;
1333 u32 status;
1334};
1335
1336/* CoNdisMiniportDeactivateVc message */
1337struct rcondis_mp_deactivate_vc_request {
1338 u32 req_id;
1339 u32 flags;
1340 u32 dev_vc_handle;
1341};
1342
1343/* Response to CoNdisMiniportDeactivateVc */
1344struct rcondis_mp_deactivate_vc_complete {
1345 u32 req_id;
1346 u32 status;
1347};
1348
1349
1350/* union with all of the RNDIS messages */
1351union rndis_message_container {
1352 struct rndis_packet pkt;
1353 struct rndis_initialize_request init_req;
1354 struct rndis_halt_request halt_req;
1355 struct rndis_query_request query_req;
1356 struct rndis_set_request set_req;
1357 struct rndis_reset_request reset_req;
1358 struct rndis_keepalive_request keep_alive_req;
1359 struct rndis_indicate_status indicate_status;
1360 struct rndis_initialize_complete init_complete;
1361 struct rndis_query_complete query_complete;
1362 struct rndis_set_complete set_complete;
1363 struct rndis_reset_complete reset_complete;
1364 struct rndis_keepalive_complete keep_alive_complete;
1365 struct rcondis_mp_create_vc co_miniport_create_vc;
1366 struct rcondis_mp_delete_vc co_miniport_delete_vc;
1367 struct rcondis_indicate_status co_indicate_status;
1368 struct rcondis_mp_activate_vc_request co_miniport_activate_vc;
1369 struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc;
1370 struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete;
1371 struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete;
1372 struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete;
1373 struct rcondis_mp_deactivate_vc_complete
1374 co_miniport_deactivate_vc_complete;
1375};
1376
1377/* Remote NDIS message format */
1378struct rndis_message {
1379 u32 ndis_msg_type;
1380
1381 /* Total length of this message, from the beginning */
Stephen Hemmingerc6a77ff2016-09-23 17:08:17 -07001382 /* of the struct rndis_message, in bytes. */
K. Y. Srinivasan4a5cea32011-05-12 19:34:40 -07001383 u32 msg_len;
1384
1385 /* Actual message */
1386 union rndis_message_container msg;
1387};
1388
K. Y. Srinivasan9dbfd152011-05-12 19:35:00 -07001389
K. Y. Srinivasan4a5cea32011-05-12 19:34:40 -07001390/* Handy macros */
1391
1392/* get the size of an RNDIS message. Pass in the message type, */
1393/* struct rndis_set_request, struct rndis_packet for example */
1394#define RNDIS_MESSAGE_SIZE(msg) \
1395 (sizeof(msg) + (sizeof(struct rndis_message) - \
1396 sizeof(union rndis_message_container)))
1397
1398/* get pointer to info buffer with message pointer */
1399#define MESSAGE_TO_INFO_BUFFER(msg) \
1400 (((unsigned char *)(msg)) + msg->info_buf_offset)
1401
1402/* get pointer to status buffer with message pointer */
1403#define MESSAGE_TO_STATUS_BUFFER(msg) \
1404 (((unsigned char *)(msg)) + msg->status_buf_offset)
1405
1406/* get pointer to OOBD buffer with message pointer */
1407#define MESSAGE_TO_OOBD_BUFFER(msg) \
1408 (((unsigned char *)(msg)) + msg->oob_data_offset)
1409
1410/* get pointer to data buffer with message pointer */
1411#define MESSAGE_TO_DATA_BUFFER(msg) \
1412 (((unsigned char *)(msg)) + msg->per_pkt_info_offset)
1413
1414/* get pointer to contained message from NDIS_MESSAGE pointer */
1415#define RNDIS_MESSAGE_PTR_TO_MESSAGE_PTR(rndis_msg) \
1416 ((void *) &rndis_msg->msg)
1417
1418/* get pointer to contained message from NDIS_MESSAGE pointer */
1419#define RNDIS_MESSAGE_RAW_PTR_TO_MESSAGE_PTR(rndis_msg) \
1420 ((void *) rndis_msg)
1421
K. Y. Srinivasan299d09252011-05-12 19:34:41 -07001422
K. Y. Srinivasan299d09252011-05-12 19:34:41 -07001423
1424#define RNDIS_HEADER_SIZE (sizeof(struct rndis_message) - \
1425 sizeof(union rndis_message_container))
1426
Haiyang Zhang72151422015-04-06 15:22:53 -07001427#define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE)
1428
K. Y. Srinivasan299d09252011-05-12 19:34:41 -07001429#define NDIS_PACKET_TYPE_DIRECTED 0x00000001
1430#define NDIS_PACKET_TYPE_MULTICAST 0x00000002
1431#define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004
1432#define NDIS_PACKET_TYPE_BROADCAST 0x00000008
1433#define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010
1434#define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020
1435#define NDIS_PACKET_TYPE_SMT 0x00000040
1436#define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080
1437#define NDIS_PACKET_TYPE_GROUP 0x00000100
1438#define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200
1439#define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400
1440#define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800
1441
KY Srinivasan08cd04b2014-03-08 19:23:17 -08001442#define TRANSPORT_INFO_NOT_IP 0
stephen hemminger23312a32017-01-24 13:05:59 -08001443#define TRANSPORT_INFO_IPV4_TCP 0x01
1444#define TRANSPORT_INFO_IPV4_UDP 0x02
1445#define TRANSPORT_INFO_IPV6_TCP 0x10
1446#define TRANSPORT_INFO_IPV6_UDP 0x20
K. Y. Srinivasan299d09252011-05-12 19:34:41 -07001447
K. Y. Srinivasan5ca72522011-05-12 19:34:37 -07001448#endif /* _HYPERV_NET_H */