1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * |
4 | * Copyright (c) 2011, Microsoft Corporation. |
5 | * |
6 | * Authors: |
7 | * Haiyang Zhang <haiyangz@microsoft.com> |
8 | * Hank Janssen <hjanssen@microsoft.com> |
9 | * K. Y. Srinivasan <kys@microsoft.com> |
10 | */ |
11 | |
12 | #ifndef _HYPERV_NET_H |
13 | #define _HYPERV_NET_H |
14 | |
15 | #include <linux/list.h> |
16 | #include <linux/hyperv.h> |
17 | #include <linux/rndis.h> |
18 | #include <linux/jhash.h> |
19 | #include <net/xdp.h> |
20 | |
21 | /* RSS related */ |
22 | #define OID_GEN_RECEIVE_SCALE_CAPABILITIES 0x00010203 /* query only */ |
23 | #define OID_GEN_RECEIVE_SCALE_PARAMETERS 0x00010204 /* query and set */ |
24 | |
25 | #define 0x88 |
26 | #define 0x89 |
27 | #define NDIS_OBJECT_TYPE_OFFLOAD 0xa7 |
28 | |
29 | #define NDIS_RECEIVE_SCALE_CAPABILITIES_REVISION_2 2 |
30 | #define NDIS_RECEIVE_SCALE_PARAMETERS_REVISION_2 2 |
31 | |
32 | struct { |
33 | u8 ; |
34 | u8 ; |
35 | u16 ; |
36 | } __packed; |
37 | |
38 | /* ndis_recv_scale_cap/cap_flag */ |
39 | #define 0x01000000 |
40 | #define 0x02000000 |
41 | #define 0x04000000 |
42 | #define 0x08000000 |
43 | #define 0x10000000 |
44 | #define 0x20000000 |
45 | #define 0x00000100 |
46 | #define 0x00000200 |
47 | #define 0x00000400 |
48 | |
49 | struct ndis_recv_scale_cap { /* NDIS_RECEIVE_SCALE_CAPABILITIES */ |
50 | struct ndis_obj_header hdr; |
51 | u32 cap_flag; |
52 | u32 num_int_msg; |
53 | u32 num_recv_que; |
54 | u16 num_indirect_tabent; |
55 | } __packed; |
56 | |
57 | |
58 | /* ndis_recv_scale_param flags */ |
59 | #define 0x0001 |
60 | #define 0x0002 |
61 | #define 0x0004 |
62 | #define 0x0008 |
63 | #define 0x0010 |
64 | |
65 | /* Hash info bits */ |
66 | #define NDIS_HASH_FUNC_TOEPLITZ 0x00000001 |
67 | #define NDIS_HASH_IPV4 0x00000100 |
68 | #define NDIS_HASH_TCP_IPV4 0x00000200 |
69 | #define NDIS_HASH_IPV6 0x00000400 |
70 | #define NDIS_HASH_IPV6_EX 0x00000800 |
71 | #define NDIS_HASH_TCP_IPV6 0x00001000 |
72 | #define NDIS_HASH_TCP_IPV6_EX 0x00002000 |
73 | |
74 | #define (128 * 4) |
75 | #define 40 |
76 | |
77 | #define ITAB_NUM 128 |
78 | #define ITAB_NUM_MAX 256 |
79 | |
80 | struct ndis_recv_scale_param { /* NDIS_RECEIVE_SCALE_PARAMETERS */ |
81 | struct ndis_obj_header hdr; |
82 | |
83 | /* Qualifies the rest of the information */ |
84 | u16 flag; |
85 | |
86 | /* The base CPU number to do receive processing. not used */ |
87 | u16 base_cpu_number; |
88 | |
89 | /* This describes the hash function and type being enabled */ |
90 | u32 hashinfo; |
91 | |
92 | /* The size of indirection table array */ |
93 | u16 indirect_tabsize; |
94 | |
95 | /* The offset of the indirection table from the beginning of this |
96 | * structure |
97 | */ |
98 | u32 indirect_taboffset; |
99 | |
100 | /* The size of the hash secret key */ |
101 | u16 hashkey_size; |
102 | |
103 | /* The offset of the secret key from the beginning of this structure */ |
104 | u32 hashkey_offset; |
105 | |
106 | u32 processor_masks_offset; |
107 | u32 num_processor_masks; |
108 | u32 processor_masks_entry_size; |
109 | }; |
110 | |
111 | struct ndis_tcp_ip_checksum_info { |
112 | union { |
113 | struct { |
114 | u32 is_ipv4:1; |
115 | u32 is_ipv6:1; |
116 | u32 tcp_checksum:1; |
117 | u32 udp_checksum:1; |
118 | u32 :1; |
119 | u32 reserved:11; |
120 | u32 :10; |
121 | } transmit; |
122 | struct { |
123 | u32 tcp_checksum_failed:1; |
124 | u32 udp_checksum_failed:1; |
125 | u32 ip_checksum_failed:1; |
126 | u32 tcp_checksum_succeeded:1; |
127 | u32 udp_checksum_succeeded:1; |
128 | u32 ip_checksum_succeeded:1; |
129 | u32 loopback:1; |
130 | u32 tcp_checksum_value_invalid:1; |
131 | u32 ip_checksum_value_invalid:1; |
132 | } receive; |
133 | u32 value; |
134 | }; |
135 | }; |
136 | |
137 | struct ndis_pkt_8021q_info { |
138 | union { |
139 | struct { |
140 | u32 pri:3; /* User Priority */ |
141 | u32 cfi:1; /* Canonical Format ID */ |
142 | u32 vlanid:12; /* VLAN ID */ |
143 | u32 reserved:16; |
144 | }; |
145 | u32 value; |
146 | }; |
147 | }; |
148 | |
149 | /* |
150 | * Represent netvsc packet which contains 1 RNDIS and 1 ethernet frame |
151 | * within the RNDIS |
152 | * |
153 | * The size of this structure is less than 48 bytes and we can now |
154 | * place this structure in the skb->cb field. |
155 | */ |
156 | struct hv_netvsc_packet { |
157 | /* Bookkeeping stuff */ |
158 | u8 cp_partial; /* partial copy into send buffer */ |
159 | |
160 | u8 rmsg_size; /* RNDIS header and PPI size */ |
161 | u8 rmsg_pgcnt; /* page count of RNDIS header and PPI */ |
162 | u8 page_buf_cnt; |
163 | |
164 | u16 q_idx; |
165 | u16 total_packets; |
166 | |
167 | u32 total_bytes; |
168 | u32 send_buf_index; |
169 | u32 total_data_buflen; |
170 | struct hv_dma_range *dma_range; |
171 | }; |
172 | |
173 | #define NETVSC_HASH_KEYLEN 40 |
174 | |
175 | struct netvsc_device_info { |
176 | unsigned char mac_adr[ETH_ALEN]; |
177 | u32 num_chn; |
178 | u32 send_sections; |
179 | u32 recv_sections; |
180 | u32 send_section_size; |
181 | u32 recv_section_size; |
182 | |
183 | struct bpf_prog *bprog; |
184 | |
185 | u8 [NETVSC_HASH_KEYLEN]; |
186 | }; |
187 | |
188 | enum rndis_device_state { |
189 | RNDIS_DEV_UNINITIALIZED = 0, |
190 | RNDIS_DEV_INITIALIZING, |
191 | RNDIS_DEV_INITIALIZED, |
192 | RNDIS_DEV_DATAINITIALIZED, |
193 | }; |
194 | |
195 | struct rndis_device { |
196 | struct net_device *ndev; |
197 | |
198 | enum rndis_device_state state; |
199 | |
200 | atomic_t new_req_id; |
201 | |
202 | spinlock_t request_lock; |
203 | struct list_head req_list; |
204 | |
205 | struct work_struct mcast_work; |
206 | u32 filter; |
207 | |
208 | bool link_state; /* 0 - link up, 1 - link down */ |
209 | |
210 | u8 hw_mac_adr[ETH_ALEN]; |
211 | u8 [NETVSC_HASH_KEYLEN]; |
212 | }; |
213 | |
214 | |
215 | /* Interface */ |
216 | struct rndis_message; |
217 | struct ndis_offload_params; |
218 | struct netvsc_device; |
219 | struct netvsc_channel; |
220 | struct net_device_context; |
221 | |
222 | extern u32 netvsc_ring_bytes; |
223 | |
224 | struct netvsc_device *netvsc_device_add(struct hv_device *device, |
225 | const struct netvsc_device_info *info); |
226 | int netvsc_alloc_recv_comp_ring(struct netvsc_device *net_device, u32 q_idx); |
227 | void netvsc_device_remove(struct hv_device *device); |
228 | int netvsc_send(struct net_device *net, |
229 | struct hv_netvsc_packet *packet, |
230 | struct rndis_message *rndis_msg, |
231 | struct hv_page_buffer *page_buffer, |
232 | struct sk_buff *skb, |
233 | bool xdp_tx); |
234 | void netvsc_linkstatus_callback(struct net_device *net, |
235 | struct rndis_message *resp, |
236 | void *data, u32 data_buflen); |
237 | int netvsc_recv_callback(struct net_device *net, |
238 | struct netvsc_device *nvdev, |
239 | struct netvsc_channel *nvchan); |
240 | void netvsc_channel_cb(void *context); |
241 | int netvsc_poll(struct napi_struct *napi, int budget); |
242 | |
243 | void netvsc_xdp_xmit(struct sk_buff *skb, struct net_device *ndev); |
244 | u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan, |
245 | struct xdp_buff *xdp); |
246 | unsigned int netvsc_xdp_fraglen(unsigned int len); |
247 | struct bpf_prog *netvsc_xdp_get(struct netvsc_device *nvdev); |
248 | int netvsc_xdp_set(struct net_device *dev, struct bpf_prog *prog, |
249 | struct netlink_ext_ack *extack, |
250 | struct netvsc_device *nvdev); |
251 | int netvsc_vf_setxdp(struct net_device *vf_netdev, struct bpf_prog *prog); |
252 | int netvsc_bpf(struct net_device *dev, struct netdev_bpf *bpf); |
253 | int netvsc_ndoxdp_xmit(struct net_device *ndev, int n, |
254 | struct xdp_frame **frames, u32 flags); |
255 | |
256 | int rndis_set_subchannel(struct net_device *ndev, |
257 | struct netvsc_device *nvdev, |
258 | struct netvsc_device_info *dev_info); |
259 | int rndis_filter_open(struct netvsc_device *nvdev); |
260 | int rndis_filter_close(struct netvsc_device *nvdev); |
261 | struct netvsc_device *rndis_filter_device_add(struct hv_device *dev, |
262 | struct netvsc_device_info *info); |
263 | void rndis_filter_update(struct netvsc_device *nvdev); |
264 | void rndis_filter_device_remove(struct hv_device *dev, |
265 | struct netvsc_device *nvdev); |
266 | int (struct rndis_device *rdev, |
267 | const u8 *key); |
268 | int rndis_filter_set_offload_params(struct net_device *ndev, |
269 | struct netvsc_device *nvdev, |
270 | struct ndis_offload_params *req_offloads); |
271 | int rndis_filter_receive(struct net_device *ndev, |
272 | struct netvsc_device *net_dev, |
273 | struct netvsc_channel *nvchan, |
274 | void *data, u32 buflen); |
275 | |
276 | int rndis_filter_set_device_mac(struct netvsc_device *ndev, |
277 | const char *mac); |
278 | |
279 | int netvsc_switch_datapath(struct net_device *nv_dev, bool vf); |
280 | |
281 | #define NVSP_INVALID_PROTOCOL_VERSION ((u32)0xFFFFFFFF) |
282 | |
283 | #define NVSP_PROTOCOL_VERSION_1 2 |
284 | #define NVSP_PROTOCOL_VERSION_2 0x30002 |
285 | #define NVSP_PROTOCOL_VERSION_4 0x40000 |
286 | #define NVSP_PROTOCOL_VERSION_5 0x50000 |
287 | #define NVSP_PROTOCOL_VERSION_6 0x60000 |
288 | #define NVSP_PROTOCOL_VERSION_61 0x60001 |
289 | |
290 | enum { |
291 | NVSP_MSG_TYPE_NONE = 0, |
292 | |
293 | /* Init Messages */ |
294 | NVSP_MSG_TYPE_INIT = 1, |
295 | NVSP_MSG_TYPE_INIT_COMPLETE = 2, |
296 | |
297 | NVSP_VERSION_MSG_START = 100, |
298 | |
299 | /* Version 1 Messages */ |
300 | NVSP_MSG1_TYPE_SEND_NDIS_VER = NVSP_VERSION_MSG_START, |
301 | |
302 | NVSP_MSG1_TYPE_SEND_RECV_BUF, |
303 | NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE, |
304 | NVSP_MSG1_TYPE_REVOKE_RECV_BUF, |
305 | |
306 | NVSP_MSG1_TYPE_SEND_SEND_BUF, |
307 | NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE, |
308 | NVSP_MSG1_TYPE_REVOKE_SEND_BUF, |
309 | |
310 | NVSP_MSG1_TYPE_SEND_RNDIS_PKT, |
311 | NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE, |
312 | |
313 | /* Version 2 messages */ |
314 | NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF, |
315 | NVSP_MSG2_TYPE_SEND_CHIMNEY_DELEGATED_BUF_COMP, |
316 | NVSP_MSG2_TYPE_REVOKE_CHIMNEY_DELEGATED_BUF, |
317 | |
318 | NVSP_MSG2_TYPE_RESUME_CHIMNEY_RX_INDICATION, |
319 | |
320 | NVSP_MSG2_TYPE_TERMINATE_CHIMNEY, |
321 | NVSP_MSG2_TYPE_TERMINATE_CHIMNEY_COMP, |
322 | |
323 | NVSP_MSG2_TYPE_INDICATE_CHIMNEY_EVENT, |
324 | |
325 | NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT, |
326 | NVSP_MSG2_TYPE_SEND_CHIMNEY_PKT_COMP, |
327 | |
328 | NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ, |
329 | NVSP_MSG2_TYPE_POST_CHIMNEY_RECV_REQ_COMP, |
330 | |
331 | NVSP_MSG2_TYPE_ALLOC_RXBUF, |
332 | NVSP_MSG2_TYPE_ALLOC_RXBUF_COMP, |
333 | |
334 | NVSP_MSG2_TYPE_FREE_RXBUF, |
335 | |
336 | NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT, |
337 | NVSP_MSG2_TYPE_SEND_VMQ_RNDIS_PKT_COMP, |
338 | |
339 | NVSP_MSG2_TYPE_SEND_NDIS_CONFIG, |
340 | |
341 | NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE, |
342 | NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, |
343 | |
344 | NVSP_MSG2_MAX = NVSP_MSG2_TYPE_ALLOC_CHIMNEY_HANDLE_COMP, |
345 | |
346 | /* Version 4 messages */ |
347 | NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION, |
348 | NVSP_MSG4_TYPE_SWITCH_DATA_PATH, |
349 | NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, |
350 | |
351 | NVSP_MSG4_MAX = NVSP_MSG4_TYPE_UPLINK_CONNECT_STATE_DEPRECATED, |
352 | |
353 | /* Version 5 messages */ |
354 | NVSP_MSG5_TYPE_OID_QUERY_EX, |
355 | NVSP_MSG5_TYPE_OID_QUERY_EX_COMP, |
356 | NVSP_MSG5_TYPE_SUBCHANNEL, |
357 | NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, |
358 | |
359 | NVSP_MSG5_MAX = NVSP_MSG5_TYPE_SEND_INDIRECTION_TABLE, |
360 | |
361 | /* Version 6 messages */ |
362 | NVSP_MSG6_TYPE_PD_API, |
363 | NVSP_MSG6_TYPE_PD_POST_BATCH, |
364 | |
365 | NVSP_MSG6_MAX = NVSP_MSG6_TYPE_PD_POST_BATCH |
366 | }; |
367 | |
368 | enum { |
369 | NVSP_STAT_NONE = 0, |
370 | NVSP_STAT_SUCCESS, |
371 | NVSP_STAT_FAIL, |
372 | NVSP_STAT_PROTOCOL_TOO_NEW, |
373 | NVSP_STAT_PROTOCOL_TOO_OLD, |
374 | NVSP_STAT_INVALID_RNDIS_PKT, |
375 | NVSP_STAT_BUSY, |
376 | NVSP_STAT_PROTOCOL_UNSUPPORTED, |
377 | NVSP_STAT_MAX, |
378 | }; |
379 | |
380 | struct { |
381 | u32 ; |
382 | }; |
383 | |
384 | /* Init Messages */ |
385 | |
386 | /* |
387 | * This message is used by the VSC to initialize the channel after the channels |
388 | * has been opened. This message should never include anything other then |
389 | * versioning (i.e. this message will be the same for ever). |
390 | */ |
391 | struct nvsp_message_init { |
392 | u32 min_protocol_ver; |
393 | u32 max_protocol_ver; |
394 | } __packed; |
395 | |
396 | /* |
397 | * This message is used by the VSP to complete the initialization of the |
398 | * channel. This message should never include anything other then versioning |
399 | * (i.e. this message will be the same for ever). |
400 | */ |
401 | struct nvsp_message_init_complete { |
402 | u32 negotiated_protocol_ver; |
403 | u32 max_mdl_chain_len; |
404 | u32 status; |
405 | } __packed; |
406 | |
407 | union nvsp_message_init_uber { |
408 | struct nvsp_message_init init; |
409 | struct nvsp_message_init_complete init_complete; |
410 | } __packed; |
411 | |
412 | /* Version 1 Messages */ |
413 | |
414 | /* |
415 | * This message is used by the VSC to send the NDIS version to the VSP. The VSP |
416 | * can use this information when handling OIDs sent by the VSC. |
417 | */ |
418 | struct nvsp_1_message_send_ndis_version { |
419 | u32 ndis_major_ver; |
420 | u32 ndis_minor_ver; |
421 | } __packed; |
422 | |
423 | /* |
424 | * This message is used by the VSC to send a receive buffer to the VSP. The VSP |
425 | * can then use the receive buffer to send data to the VSC. |
426 | */ |
427 | struct nvsp_1_message_send_receive_buffer { |
428 | u32 gpadl_handle; |
429 | u16 id; |
430 | } __packed; |
431 | |
432 | struct nvsp_1_receive_buffer_section { |
433 | u32 offset; |
434 | u32 sub_alloc_size; |
435 | u32 num_sub_allocs; |
436 | u32 end_offset; |
437 | } __packed; |
438 | |
439 | /* |
440 | * This message is used by the VSP to acknowledge a receive buffer send by the |
441 | * VSC. This message must be sent by the VSP before the VSP uses the receive |
442 | * buffer. |
443 | */ |
444 | struct nvsp_1_message_send_receive_buffer_complete { |
445 | u32 status; |
446 | u32 num_sections; |
447 | |
448 | /* |
449 | * The receive buffer is split into two parts, a large suballocation |
450 | * section and a small suballocation section. These sections are then |
451 | * suballocated by a certain size. |
452 | */ |
453 | |
454 | /* |
455 | * For example, the following break up of the receive buffer has 6 |
456 | * large suballocations and 10 small suballocations. |
457 | */ |
458 | |
459 | /* |
460 | * | Large Section | | Small Section | |
461 | * ------------------------------------------------------------ |
462 | * | | | | | | | | | | | | | | | | | | |
463 | * | | |
464 | * LargeOffset SmallOffset |
465 | */ |
466 | |
467 | struct nvsp_1_receive_buffer_section sections[1]; |
468 | } __packed; |
469 | |
470 | /* |
471 | * This message is sent by the VSC to revoke the receive buffer. After the VSP |
472 | * completes this transaction, the vsp should never use the receive buffer |
473 | * again. |
474 | */ |
475 | struct nvsp_1_message_revoke_receive_buffer { |
476 | u16 id; |
477 | }; |
478 | |
479 | /* |
480 | * This message is used by the VSC to send a send buffer to the VSP. The VSC |
481 | * can then use the send buffer to send data to the VSP. |
482 | */ |
483 | struct nvsp_1_message_send_send_buffer { |
484 | u32 gpadl_handle; |
485 | u16 id; |
486 | } __packed; |
487 | |
488 | /* |
489 | * This message is used by the VSP to acknowledge a send buffer sent by the |
490 | * VSC. This message must be sent by the VSP before the VSP uses the sent |
491 | * buffer. |
492 | */ |
493 | struct nvsp_1_message_send_send_buffer_complete { |
494 | u32 status; |
495 | |
496 | /* |
497 | * The VSC gets to choose the size of the send buffer and the VSP gets |
498 | * to choose the sections size of the buffer. This was done to enable |
499 | * dynamic reconfigurations when the cost of GPA-direct buffers |
500 | * decreases. |
501 | */ |
502 | u32 section_size; |
503 | } __packed; |
504 | |
505 | /* |
506 | * This message is sent by the VSC to revoke the send buffer. After the VSP |
507 | * completes this transaction, the vsp should never use the send buffer again. |
508 | */ |
509 | struct nvsp_1_message_revoke_send_buffer { |
510 | u16 id; |
511 | }; |
512 | |
513 | /* |
514 | * This message is used by both the VSP and the VSC to send a RNDIS message to |
515 | * the opposite channel endpoint. |
516 | */ |
517 | struct nvsp_1_message_send_rndis_packet { |
518 | /* |
519 | * This field is specified by RNDIS. They assume there's two different |
520 | * channels of communication. However, the Network VSP only has one. |
521 | * Therefore, the channel travels with the RNDIS packet. |
522 | */ |
523 | u32 channel_type; |
524 | |
525 | /* |
526 | * This field is used to send part or all of the data through a send |
527 | * buffer. This values specifies an index into the send buffer. If the |
528 | * index is 0xFFFFFFFF, then the send buffer is not being used and all |
529 | * of the data was sent through other VMBus mechanisms. |
530 | */ |
531 | u32 send_buf_section_index; |
532 | u32 send_buf_section_size; |
533 | } __packed; |
534 | |
535 | /* |
536 | * This message is used by both the VSP and the VSC to complete a RNDIS message |
537 | * to the opposite channel endpoint. At this point, the initiator of this |
538 | * message cannot use any resources associated with the original RNDIS packet. |
539 | */ |
540 | struct nvsp_1_message_send_rndis_packet_complete { |
541 | u32 status; |
542 | }; |
543 | |
544 | union nvsp_1_message_uber { |
545 | struct nvsp_1_message_send_ndis_version send_ndis_ver; |
546 | |
547 | struct nvsp_1_message_send_receive_buffer send_recv_buf; |
548 | struct nvsp_1_message_send_receive_buffer_complete |
549 | send_recv_buf_complete; |
550 | struct nvsp_1_message_revoke_receive_buffer revoke_recv_buf; |
551 | |
552 | struct nvsp_1_message_send_send_buffer send_send_buf; |
553 | struct nvsp_1_message_send_send_buffer_complete send_send_buf_complete; |
554 | struct nvsp_1_message_revoke_send_buffer revoke_send_buf; |
555 | |
556 | struct nvsp_1_message_send_rndis_packet send_rndis_pkt; |
557 | struct nvsp_1_message_send_rndis_packet_complete |
558 | send_rndis_pkt_complete; |
559 | } __packed; |
560 | |
561 | |
562 | /* |
563 | * Network VSP protocol version 2 messages: |
564 | */ |
565 | struct nvsp_2_vsc_capability { |
566 | union { |
567 | u64 data; |
568 | struct { |
569 | u64 vmq:1; |
570 | u64 chimney:1; |
571 | u64 sriov:1; |
572 | u64 ieee8021q:1; |
573 | u64 correlation_id:1; |
574 | u64 teaming:1; |
575 | u64 vsubnetid:1; |
576 | u64 rsc:1; |
577 | }; |
578 | }; |
579 | } __packed; |
580 | |
581 | struct nvsp_2_send_ndis_config { |
582 | u32 mtu; |
583 | u32 reserved; |
584 | struct nvsp_2_vsc_capability capability; |
585 | } __packed; |
586 | |
587 | /* Allocate receive buffer */ |
588 | struct nvsp_2_alloc_rxbuf { |
589 | /* Allocation ID to match the allocation request and response */ |
590 | u32 alloc_id; |
591 | |
592 | /* Length of the VM shared memory receive buffer that needs to |
593 | * be allocated |
594 | */ |
595 | u32 len; |
596 | } __packed; |
597 | |
598 | /* Allocate receive buffer complete */ |
599 | struct nvsp_2_alloc_rxbuf_comp { |
600 | /* The NDIS_STATUS code for buffer allocation */ |
601 | u32 status; |
602 | |
603 | u32 alloc_id; |
604 | |
605 | /* GPADL handle for the allocated receive buffer */ |
606 | u32 gpadl_handle; |
607 | |
608 | /* Receive buffer ID */ |
609 | u64 recv_buf_id; |
610 | } __packed; |
611 | |
612 | struct nvsp_2_free_rxbuf { |
613 | u64 recv_buf_id; |
614 | } __packed; |
615 | |
616 | union nvsp_2_message_uber { |
617 | struct nvsp_2_send_ndis_config send_ndis_config; |
618 | struct nvsp_2_alloc_rxbuf alloc_rxbuf; |
619 | struct nvsp_2_alloc_rxbuf_comp alloc_rxbuf_comp; |
620 | struct nvsp_2_free_rxbuf free_rxbuf; |
621 | } __packed; |
622 | |
623 | struct nvsp_4_send_vf_association { |
624 | /* 1: allocated, serial number is valid. 0: not allocated */ |
625 | u32 allocated; |
626 | |
627 | /* Serial number of the VF to team with */ |
628 | u32 serial; |
629 | } __packed; |
630 | |
631 | enum nvsp_vm_datapath { |
632 | NVSP_DATAPATH_SYNTHETIC = 0, |
633 | NVSP_DATAPATH_VF, |
634 | NVSP_DATAPATH_MAX |
635 | }; |
636 | |
637 | struct nvsp_4_sw_datapath { |
638 | u32 active_datapath; /* active data path in VM */ |
639 | } __packed; |
640 | |
641 | union nvsp_4_message_uber { |
642 | struct nvsp_4_send_vf_association vf_assoc; |
643 | struct nvsp_4_sw_datapath active_dp; |
644 | } __packed; |
645 | |
646 | enum nvsp_subchannel_operation { |
647 | NVSP_SUBCHANNEL_NONE = 0, |
648 | NVSP_SUBCHANNEL_ALLOCATE, |
649 | NVSP_SUBCHANNEL_MAX |
650 | }; |
651 | |
652 | struct nvsp_5_subchannel_request { |
653 | u32 op; |
654 | u32 num_subchannels; |
655 | } __packed; |
656 | |
657 | struct nvsp_5_subchannel_complete { |
658 | u32 status; |
659 | u32 num_subchannels; /* Actual number of subchannels allocated */ |
660 | } __packed; |
661 | |
662 | struct nvsp_5_send_indirect_table { |
663 | /* The number of entries in the send indirection table */ |
664 | u32 count; |
665 | |
666 | /* The offset of the send indirection table from the beginning of |
667 | * struct nvsp_message. |
668 | * The send indirection table tells which channel to put the send |
669 | * traffic on. Each entry is a channel number. |
670 | */ |
671 | u32 offset; |
672 | } __packed; |
673 | |
674 | union nvsp_5_message_uber { |
675 | struct nvsp_5_subchannel_request subchn_req; |
676 | struct nvsp_5_subchannel_complete subchn_comp; |
677 | struct nvsp_5_send_indirect_table send_table; |
678 | } __packed; |
679 | |
680 | enum nvsp_6_pd_api_op { |
681 | PD_API_OP_CONFIG = 1, |
682 | PD_API_OP_SW_DATAPATH, /* Switch Datapath */ |
683 | PD_API_OP_OPEN_PROVIDER, |
684 | PD_API_OP_CLOSE_PROVIDER, |
685 | PD_API_OP_CREATE_QUEUE, |
686 | PD_API_OP_FLUSH_QUEUE, |
687 | PD_API_OP_FREE_QUEUE, |
688 | PD_API_OP_ALLOC_COM_BUF, /* Allocate Common Buffer */ |
689 | PD_API_OP_FREE_COM_BUF, /* Free Common Buffer */ |
690 | PD_API_OP_MAX |
691 | }; |
692 | |
693 | struct grp_affinity { |
694 | u64 mask; |
695 | u16 grp; |
696 | u16 reserved[3]; |
697 | } __packed; |
698 | |
699 | struct nvsp_6_pd_api_req { |
700 | u32 op; |
701 | |
702 | union { |
703 | /* MMIO information is sent from the VM to VSP */ |
704 | struct __packed { |
705 | u64 mmio_pa; /* MMIO Physical Address */ |
706 | u32 mmio_len; |
707 | |
708 | /* Number of PD queues a VM can support */ |
709 | u16 num_subchn; |
710 | } config; |
711 | |
712 | /* Switch Datapath */ |
713 | struct __packed { |
714 | /* Host Datapath Is PacketDirect */ |
715 | u8 host_dpath_is_pd; |
716 | |
717 | /* Guest PacketDirect Is Enabled */ |
718 | u8 guest_pd_enabled; |
719 | } sw_dpath; |
720 | |
721 | /* Open Provider*/ |
722 | struct __packed { |
723 | u32 prov_id; /* Provider id */ |
724 | u32 flag; |
725 | } open_prov; |
726 | |
727 | /* Close Provider */ |
728 | struct __packed { |
729 | u32 prov_id; |
730 | } cls_prov; |
731 | |
732 | /* Create Queue*/ |
733 | struct __packed { |
734 | u32 prov_id; |
735 | u16 q_id; |
736 | u16 q_size; |
737 | u8 is_recv_q; |
738 | u8 ; |
739 | u32 recv_data_len; |
740 | struct grp_affinity affy; |
741 | } cr_q; |
742 | |
743 | /* Delete Queue*/ |
744 | struct __packed { |
745 | u32 prov_id; |
746 | u16 q_id; |
747 | } del_q; |
748 | |
749 | /* Flush Queue */ |
750 | struct __packed { |
751 | u32 prov_id; |
752 | u16 q_id; |
753 | } flush_q; |
754 | |
755 | /* Allocate Common Buffer */ |
756 | struct __packed { |
757 | u32 len; |
758 | u32 pf_node; /* Preferred Node */ |
759 | u16 region_id; |
760 | } alloc_com_buf; |
761 | |
762 | /* Free Common Buffer */ |
763 | struct __packed { |
764 | u32 len; |
765 | u64 pa; /* Physical Address */ |
766 | u32 pf_node; /* Preferred Node */ |
767 | u16 region_id; |
768 | u8 cache_type; |
769 | } free_com_buf; |
770 | } __packed; |
771 | } __packed; |
772 | |
773 | struct nvsp_6_pd_api_comp { |
774 | u32 op; |
775 | u32 status; |
776 | |
777 | union { |
778 | struct __packed { |
779 | /* actual number of PD queues allocated to the VM */ |
780 | u16 num_pd_q; |
781 | |
782 | /* Num Receive Rss PD Queues */ |
783 | u8 ; |
784 | |
785 | u8 is_supported; /* Is supported by VSP */ |
786 | u8 is_enabled; /* Is enabled by VSP */ |
787 | } config; |
788 | |
789 | /* Open Provider */ |
790 | struct __packed { |
791 | u32 prov_id; |
792 | } open_prov; |
793 | |
794 | /* Create Queue */ |
795 | struct __packed { |
796 | u32 prov_id; |
797 | u16 q_id; |
798 | u16 q_size; |
799 | u32 recv_data_len; |
800 | struct grp_affinity affy; |
801 | } cr_q; |
802 | |
803 | /* Allocate Common Buffer */ |
804 | struct __packed { |
805 | u64 pa; /* Physical Address */ |
806 | u32 len; |
807 | u32 pf_node; /* Preferred Node */ |
808 | u16 region_id; |
809 | u8 cache_type; |
810 | } alloc_com_buf; |
811 | } __packed; |
812 | } __packed; |
813 | |
814 | struct nvsp_6_pd_buf { |
815 | u32 region_offset; |
816 | u16 region_id; |
817 | u16 is_partial:1; |
818 | u16 reserved:15; |
819 | } __packed; |
820 | |
821 | struct nvsp_6_pd_batch_msg { |
822 | struct nvsp_message_header hdr; |
823 | u16 count; |
824 | u16 guest2host:1; |
825 | u16 is_recv:1; |
826 | u16 reserved:14; |
827 | struct nvsp_6_pd_buf pd_buf[0]; |
828 | } __packed; |
829 | |
830 | union nvsp_6_message_uber { |
831 | struct nvsp_6_pd_api_req pd_req; |
832 | struct nvsp_6_pd_api_comp pd_comp; |
833 | } __packed; |
834 | |
835 | union nvsp_all_messages { |
836 | union nvsp_message_init_uber init_msg; |
837 | union nvsp_1_message_uber v1_msg; |
838 | union nvsp_2_message_uber v2_msg; |
839 | union nvsp_4_message_uber v4_msg; |
840 | union nvsp_5_message_uber v5_msg; |
841 | union nvsp_6_message_uber v6_msg; |
842 | } __packed; |
843 | |
844 | /* ALL Messages */ |
845 | struct nvsp_message { |
846 | struct nvsp_message_header hdr; |
847 | union nvsp_all_messages msg; |
848 | } __packed; |
849 | |
850 | |
851 | #define NETVSC_MTU 65535 |
852 | #define NETVSC_MTU_MIN ETH_MIN_MTU |
853 | |
854 | /* Max buffer sizes allowed by a host */ |
855 | #define NETVSC_RECEIVE_BUFFER_SIZE (1024 * 1024 * 31) /* 31MB */ |
856 | #define NETVSC_RECEIVE_BUFFER_SIZE_LEGACY (1024 * 1024 * 15) /* 15MB */ |
857 | #define NETVSC_RECEIVE_BUFFER_DEFAULT (1024 * 1024 * 16) |
858 | |
859 | #define NETVSC_SEND_BUFFER_SIZE (1024 * 1024 * 15) /* 15MB */ |
860 | #define NETVSC_SEND_BUFFER_DEFAULT (1024 * 1024) |
861 | |
862 | #define NETVSC_INVALID_INDEX -1 |
863 | |
864 | #define NETVSC_SEND_SECTION_SIZE 6144 |
865 | #define NETVSC_RECV_SECTION_SIZE 1728 |
866 | |
867 | /* Default size of TX buf: 1MB, RX buf: 16MB */ |
868 | #define NETVSC_MIN_TX_SECTIONS 10 |
869 | #define NETVSC_DEFAULT_TX (NETVSC_SEND_BUFFER_DEFAULT \ |
870 | / NETVSC_SEND_SECTION_SIZE) |
871 | #define NETVSC_MIN_RX_SECTIONS 10 |
872 | #define NETVSC_DEFAULT_RX (NETVSC_RECEIVE_BUFFER_DEFAULT \ |
873 | / NETVSC_RECV_SECTION_SIZE) |
874 | |
875 | #define NETVSC_RECEIVE_BUFFER_ID 0xcafe |
876 | #define NETVSC_SEND_BUFFER_ID 0 |
877 | |
878 | #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \ |
879 | NETIF_F_TSO | NETIF_F_IPV6_CSUM | \ |
880 | NETIF_F_TSO6 | NETIF_F_LRO | \ |
881 | NETIF_F_SG | NETIF_F_RXHASH) |
882 | |
883 | #define 16 /* must be power of 2 */ |
884 | #define 64 |
885 | #define 8 |
886 | |
887 | #define RNDIS_MAX_PKT_DEFAULT 8 |
888 | #define RNDIS_PKT_ALIGN_DEFAULT 8 |
889 | |
890 | #define NETVSC_XDP_HDRM 256 |
891 | |
892 | #define NETVSC_MIN_OUT_MSG_SIZE (sizeof(struct vmpacket_descriptor) + \ |
893 | sizeof(struct nvsp_message)) |
894 | #define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor) |
895 | |
896 | /* Estimated requestor size: |
897 | * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size |
898 | */ |
899 | static inline u32 netvsc_rqstor_size(unsigned long ringbytes) |
900 | { |
901 | return ringbytes / NETVSC_MIN_OUT_MSG_SIZE + |
902 | ringbytes / NETVSC_MIN_IN_MSG_SIZE; |
903 | } |
904 | |
905 | /* XFER PAGE packets can specify a maximum of 375 ranges for NDIS >= 6.0 |
906 | * and a maximum of 64 ranges for NDIS < 6.0 with no RSC; with RSC, this |
907 | * limit is raised to 562 (= NVSP_RSC_MAX). |
908 | */ |
909 | #define NETVSC_MAX_XFER_PAGE_RANGES NVSP_RSC_MAX |
910 | #define (rng_cnt) \ |
911 | (offsetof(struct vmtransfer_page_packet_header, ranges) + \ |
912 | (rng_cnt) * sizeof(struct vmtransfer_page_range)) |
913 | #define NETVSC_MAX_PKT_SIZE (NETVSC_XFER_HEADER_SIZE(NETVSC_MAX_XFER_PAGE_RANGES) + \ |
914 | sizeof(struct nvsp_message) + (sizeof(u32) * VRSS_SEND_TAB_SIZE)) |
915 | |
916 | struct multi_send_data { |
917 | struct sk_buff *skb; /* skb containing the pkt */ |
918 | struct hv_netvsc_packet *pkt; /* netvsc pkt pending */ |
919 | u32 count; /* counter of batched packets */ |
920 | }; |
921 | |
922 | struct recv_comp_data { |
923 | u64 tid; /* transaction id */ |
924 | u32 status; |
925 | }; |
926 | |
927 | struct multi_recv_comp { |
928 | struct recv_comp_data *slots; |
929 | u32 first; /* first data entry */ |
930 | u32 next; /* next entry for writing */ |
931 | }; |
932 | |
933 | #define NVSP_RSC_MAX 562 /* Max #RSC frags in a vmbus xfer page pkt */ |
934 | |
935 | struct nvsc_rsc { |
936 | struct ndis_pkt_8021q_info vlan; |
937 | struct ndis_tcp_ip_checksum_info csum_info; |
938 | u32 hash_info; |
939 | u8 ppi_flags; /* valid/present bits for the above PPIs */ |
940 | u8 is_last; /* last RNDIS msg in a vmtransfer_page */ |
941 | u32 cnt; /* #fragments in an RSC packet */ |
942 | u32 pktlen; /* Full packet length */ |
943 | void *data[NVSP_RSC_MAX]; |
944 | u32 len[NVSP_RSC_MAX]; |
945 | }; |
946 | |
947 | #define NVSC_RSC_VLAN BIT(0) /* valid/present bit for 'vlan' */ |
948 | #define NVSC_RSC_CSUM_INFO BIT(1) /* valid/present bit for 'csum_info' */ |
949 | #define NVSC_RSC_HASH_INFO BIT(2) /* valid/present bit for 'hash_info' */ |
950 | |
951 | struct netvsc_stats_tx { |
952 | u64 packets; |
953 | u64 bytes; |
954 | u64 xdp_xmit; |
955 | struct u64_stats_sync syncp; |
956 | }; |
957 | |
958 | struct netvsc_stats_rx { |
959 | u64 packets; |
960 | u64 bytes; |
961 | u64 broadcast; |
962 | u64 multicast; |
963 | u64 xdp_drop; |
964 | u64 xdp_redirect; |
965 | u64 xdp_tx; |
966 | struct u64_stats_sync syncp; |
967 | }; |
968 | |
969 | struct netvsc_ethtool_stats { |
970 | unsigned long tx_scattered; |
971 | unsigned long tx_no_memory; |
972 | unsigned long tx_no_space; |
973 | unsigned long tx_too_big; |
974 | unsigned long tx_busy; |
975 | unsigned long tx_send_full; |
976 | unsigned long rx_comp_busy; |
977 | unsigned long rx_no_memory; |
978 | unsigned long stop_queue; |
979 | unsigned long wake_queue; |
980 | unsigned long vlan_error; |
981 | }; |
982 | |
983 | struct netvsc_ethtool_pcpu_stats { |
984 | u64 rx_packets; |
985 | u64 rx_bytes; |
986 | u64 tx_packets; |
987 | u64 tx_bytes; |
988 | u64 vf_rx_packets; |
989 | u64 vf_rx_bytes; |
990 | u64 vf_tx_packets; |
991 | u64 vf_tx_bytes; |
992 | }; |
993 | |
994 | struct netvsc_vf_pcpu_stats { |
995 | u64 rx_packets; |
996 | u64 rx_bytes; |
997 | u64 tx_packets; |
998 | u64 tx_bytes; |
999 | struct u64_stats_sync syncp; |
1000 | u32 tx_dropped; |
1001 | }; |
1002 | |
1003 | struct netvsc_reconfig { |
1004 | struct list_head list; |
1005 | u32 event; |
1006 | }; |
1007 | |
1008 | /* L4 hash bits for different protocols */ |
1009 | #define HV_TCP4_L4HASH 1 |
1010 | #define HV_TCP6_L4HASH 2 |
1011 | #define HV_UDP4_L4HASH 4 |
1012 | #define HV_UDP6_L4HASH 8 |
1013 | #define HV_DEFAULT_L4HASH (HV_TCP4_L4HASH | HV_TCP6_L4HASH | HV_UDP4_L4HASH | \ |
1014 | HV_UDP6_L4HASH) |
1015 | |
1016 | /* The context of the netvsc device */ |
1017 | struct net_device_context { |
1018 | /* point back to our device context */ |
1019 | struct hv_device *device_ctx; |
1020 | /* netvsc_device */ |
1021 | struct netvsc_device __rcu *nvdev; |
1022 | /* list of netvsc net_devices */ |
1023 | struct list_head list; |
1024 | /* reconfigure work */ |
1025 | struct delayed_work dwork; |
1026 | /* last reconfig time */ |
1027 | unsigned long last_reconfig; |
1028 | /* reconfig events */ |
1029 | struct list_head reconfig_events; |
1030 | /* list protection */ |
1031 | spinlock_t lock; |
1032 | |
1033 | u32 msg_enable; /* debug level */ |
1034 | |
1035 | u32 tx_checksum_mask; |
1036 | |
1037 | u32 tx_table[VRSS_SEND_TAB_SIZE]; |
1038 | |
1039 | u16 *rx_table; |
1040 | |
1041 | u32 rx_table_sz; |
1042 | |
1043 | /* Ethtool settings */ |
1044 | u8 duplex; |
1045 | u32 speed; |
1046 | u32 l4_hash; /* L4 hash settings */ |
1047 | struct netvsc_ethtool_stats eth_stats; |
1048 | |
1049 | /* State to manage the associated VF interface. */ |
1050 | struct net_device __rcu *vf_netdev; |
1051 | struct netvsc_vf_pcpu_stats __percpu *vf_stats; |
1052 | struct delayed_work vf_takeover; |
1053 | |
1054 | /* 1: allocated, serial number is valid. 0: not allocated */ |
1055 | u32 vf_alloc; |
1056 | /* Serial number of the VF to team with */ |
1057 | u32 vf_serial; |
1058 | /* completion variable to confirm vf association */ |
1059 | struct completion vf_add; |
1060 | /* Is the current data path through the VF NIC? */ |
1061 | bool data_path_is_vf; |
1062 | |
1063 | /* Used to temporarily save the config info across hibernation */ |
1064 | struct netvsc_device_info *saved_netvsc_dev_info; |
1065 | }; |
1066 | |
1067 | /* Azure hosts don't support non-TCP port numbers in hashing for fragmented |
1068 | * packets. We can use ethtool to change UDP hash level when necessary. |
1069 | */ |
1070 | static inline u32 netvsc_get_hash(struct sk_buff *skb, |
1071 | const struct net_device_context *ndc) |
1072 | { |
1073 | struct flow_keys flow; |
1074 | u32 hash, pkt_proto = 0; |
1075 | static u32 hashrnd __read_mostly; |
1076 | |
1077 | net_get_random_once(&hashrnd, sizeof(hashrnd)); |
1078 | |
1079 | if (!skb_flow_dissect_flow_keys(skb, flow: &flow, flags: 0)) |
1080 | return 0; |
1081 | |
1082 | switch (flow.basic.ip_proto) { |
1083 | case IPPROTO_TCP: |
1084 | if (flow.basic.n_proto == htons(ETH_P_IP)) |
1085 | pkt_proto = HV_TCP4_L4HASH; |
1086 | else if (flow.basic.n_proto == htons(ETH_P_IPV6)) |
1087 | pkt_proto = HV_TCP6_L4HASH; |
1088 | |
1089 | break; |
1090 | |
1091 | case IPPROTO_UDP: |
1092 | if (flow.basic.n_proto == htons(ETH_P_IP)) |
1093 | pkt_proto = HV_UDP4_L4HASH; |
1094 | else if (flow.basic.n_proto == htons(ETH_P_IPV6)) |
1095 | pkt_proto = HV_UDP6_L4HASH; |
1096 | |
1097 | break; |
1098 | } |
1099 | |
1100 | if (pkt_proto & ndc->l4_hash) { |
1101 | return skb_get_hash(skb); |
1102 | } else { |
1103 | if (flow.basic.n_proto == htons(ETH_P_IP)) |
1104 | hash = jhash2(k: (u32 *)&flow.addrs.v4addrs, length: 2, initval: hashrnd); |
1105 | else if (flow.basic.n_proto == htons(ETH_P_IPV6)) |
1106 | hash = jhash2(k: (u32 *)&flow.addrs.v6addrs, length: 8, initval: hashrnd); |
1107 | else |
1108 | return 0; |
1109 | |
1110 | __skb_set_sw_hash(skb, hash, is_l4: false); |
1111 | } |
1112 | |
1113 | return hash; |
1114 | } |
1115 | |
1116 | /* Per channel data */ |
1117 | struct netvsc_channel { |
1118 | struct vmbus_channel *channel; |
1119 | struct netvsc_device *net_device; |
1120 | void *recv_buf; /* buffer to copy packets out from the receive buffer */ |
1121 | const struct vmpacket_descriptor *desc; |
1122 | struct napi_struct napi; |
1123 | struct multi_send_data msd; |
1124 | struct multi_recv_comp mrc; |
1125 | atomic_t queue_sends; |
1126 | struct nvsc_rsc rsc; |
1127 | |
1128 | struct bpf_prog __rcu *bpf_prog; |
1129 | struct xdp_rxq_info xdp_rxq; |
1130 | bool xdp_flush; |
1131 | |
1132 | struct netvsc_stats_tx tx_stats; |
1133 | struct netvsc_stats_rx rx_stats; |
1134 | }; |
1135 | |
1136 | /* Per netvsc device */ |
1137 | struct netvsc_device { |
1138 | u32 nvsp_version; |
1139 | |
1140 | wait_queue_head_t wait_drain; |
1141 | bool destroy; |
1142 | bool tx_disable; /* if true, do not wake up queue again */ |
1143 | |
1144 | /* Receive buffer allocated by us but manages by NetVSP */ |
1145 | void *recv_buf; |
1146 | u32 recv_buf_size; /* allocated bytes */ |
1147 | struct vmbus_gpadl recv_buf_gpadl_handle; |
1148 | u32 recv_section_cnt; |
1149 | u32 recv_section_size; |
1150 | u32 recv_completion_cnt; |
1151 | |
1152 | /* Send buffer allocated by us */ |
1153 | void *send_buf; |
1154 | u32 send_buf_size; |
1155 | struct vmbus_gpadl send_buf_gpadl_handle; |
1156 | u32 send_section_cnt; |
1157 | u32 send_section_size; |
1158 | unsigned long *send_section_map; |
1159 | |
1160 | /* Used for NetVSP initialization protocol */ |
1161 | struct completion channel_init_wait; |
1162 | struct nvsp_message channel_init_pkt; |
1163 | |
1164 | struct nvsp_message revoke_packet; |
1165 | |
1166 | u32 max_chn; |
1167 | u32 num_chn; |
1168 | |
1169 | atomic_t open_chn; |
1170 | struct work_struct subchan_work; |
1171 | wait_queue_head_t subchan_open; |
1172 | |
1173 | struct rndis_device *extension; |
1174 | |
1175 | u32 max_pkt; /* max number of pkt in one send, e.g. 8 */ |
1176 | u32 pkt_align; /* alignment bytes, e.g. 8 */ |
1177 | |
1178 | struct netvsc_channel chan_table[VRSS_CHANNEL_MAX]; |
1179 | |
1180 | struct rcu_head rcu; |
1181 | }; |
1182 | |
1183 | /* NdisInitialize message */ |
1184 | struct rndis_initialize_request { |
1185 | u32 req_id; |
1186 | u32 major_ver; |
1187 | u32 minor_ver; |
1188 | u32 max_xfer_size; |
1189 | }; |
1190 | |
1191 | /* Response to NdisInitialize */ |
1192 | struct rndis_initialize_complete { |
1193 | u32 req_id; |
1194 | u32 status; |
1195 | u32 major_ver; |
1196 | u32 minor_ver; |
1197 | u32 dev_flags; |
1198 | u32 medium; |
1199 | u32 max_pkt_per_msg; |
1200 | u32 max_xfer_size; |
1201 | u32 pkt_alignment_factor; |
1202 | u32 af_list_offset; |
1203 | u32 af_list_size; |
1204 | }; |
1205 | |
1206 | /* Call manager devices only: Information about an address family */ |
1207 | /* supported by the device is appended to the response to NdisInitialize. */ |
1208 | struct rndis_co_address_family { |
1209 | u32 address_family; |
1210 | u32 major_ver; |
1211 | u32 minor_ver; |
1212 | }; |
1213 | |
1214 | /* NdisHalt message */ |
1215 | struct rndis_halt_request { |
1216 | u32 req_id; |
1217 | }; |
1218 | |
1219 | /* NdisQueryRequest message */ |
1220 | struct rndis_query_request { |
1221 | u32 req_id; |
1222 | u32 oid; |
1223 | u32 info_buflen; |
1224 | u32 info_buf_offset; |
1225 | u32 dev_vc_handle; |
1226 | }; |
1227 | |
1228 | /* Response to NdisQueryRequest */ |
1229 | struct rndis_query_complete { |
1230 | u32 req_id; |
1231 | u32 status; |
1232 | u32 info_buflen; |
1233 | u32 info_buf_offset; |
1234 | }; |
1235 | |
1236 | /* NdisSetRequest message */ |
1237 | struct rndis_set_request { |
1238 | u32 req_id; |
1239 | u32 oid; |
1240 | u32 info_buflen; |
1241 | u32 info_buf_offset; |
1242 | u32 dev_vc_handle; |
1243 | u8 info_buf[]; |
1244 | }; |
1245 | |
1246 | /* Response to NdisSetRequest */ |
1247 | struct rndis_set_complete { |
1248 | u32 req_id; |
1249 | u32 status; |
1250 | }; |
1251 | |
1252 | /* NdisReset message */ |
1253 | struct rndis_reset_request { |
1254 | u32 reserved; |
1255 | }; |
1256 | |
1257 | /* Response to NdisReset */ |
1258 | struct rndis_reset_complete { |
1259 | u32 status; |
1260 | u32 addressing_reset; |
1261 | }; |
1262 | |
1263 | /* NdisMIndicateStatus message */ |
1264 | struct rndis_indicate_status { |
1265 | u32 status; |
1266 | u32 status_buflen; |
1267 | u32 status_buf_offset; |
1268 | }; |
1269 | |
1270 | /* Diagnostic information passed as the status buffer in */ |
1271 | /* struct rndis_indicate_status messages signifying error conditions. */ |
1272 | struct rndis_diagnostic_info { |
1273 | u32 diag_status; |
1274 | u32 error_offset; |
1275 | }; |
1276 | |
1277 | /* NdisKeepAlive message */ |
1278 | struct rndis_keepalive_request { |
1279 | u32 req_id; |
1280 | }; |
1281 | |
1282 | /* Response to NdisKeepAlive */ |
1283 | struct rndis_keepalive_complete { |
1284 | u32 req_id; |
1285 | u32 status; |
1286 | }; |
1287 | |
1288 | /* |
1289 | * Data message. All Offset fields contain byte offsets from the beginning of |
1290 | * struct rndis_packet. All Length fields are in bytes. VcHandle is set |
1291 | * to 0 for connectionless data, otherwise it contains the VC handle. |
1292 | */ |
1293 | struct rndis_packet { |
1294 | u32 data_offset; |
1295 | u32 data_len; |
1296 | u32 oob_data_offset; |
1297 | u32 oob_data_len; |
1298 | u32 num_oob_data_elements; |
1299 | u32 per_pkt_info_offset; |
1300 | u32 per_pkt_info_len; |
1301 | u32 vc_handle; |
1302 | u32 reserved; |
1303 | }; |
1304 | |
1305 | /* Optional Out of Band data associated with a Data message. */ |
1306 | struct rndis_oobd { |
1307 | u32 size; |
1308 | u32 type; |
1309 | u32 class_info_offset; |
1310 | }; |
1311 | |
1312 | /* Packet extension field contents associated with a Data message. */ |
1313 | struct rndis_per_packet_info { |
1314 | u32 size; |
1315 | u32 type:31; |
1316 | u32 internal:1; |
1317 | u32 ppi_offset; |
1318 | }; |
1319 | |
1320 | enum ndis_per_pkt_info_type { |
1321 | TCPIP_CHKSUM_PKTINFO, |
1322 | IPSEC_PKTINFO, |
1323 | TCP_LARGESEND_PKTINFO, |
1324 | CLASSIFICATION_HANDLE_PKTINFO, |
1325 | NDIS_RESERVED, |
1326 | SG_LIST_PKTINFO, |
1327 | IEEE_8021Q_INFO, |
1328 | ORIGINAL_PKTINFO, |
1329 | PACKET_CANCEL_ID, |
1330 | NBL_HASH_VALUE = PACKET_CANCEL_ID, |
1331 | ORIGINAL_NET_BUFLIST, |
1332 | CACHED_NET_BUFLIST, |
1333 | SHORT_PKT_PADINFO, |
1334 | MAX_PER_PKT_INFO |
1335 | }; |
1336 | |
1337 | enum rndis_per_pkt_info_interal_type { |
1338 | RNDIS_PKTINFO_ID = 1, |
1339 | /* Add more members here */ |
1340 | |
1341 | RNDIS_PKTINFO_MAX |
1342 | }; |
1343 | |
1344 | #define RNDIS_PKTINFO_SUBALLOC BIT(0) |
1345 | #define RNDIS_PKTINFO_1ST_FRAG BIT(1) |
1346 | #define RNDIS_PKTINFO_LAST_FRAG BIT(2) |
1347 | |
1348 | #define RNDIS_PKTINFO_ID_V1 1 |
1349 | |
1350 | struct rndis_pktinfo_id { |
1351 | u8 ver; |
1352 | u8 flag; |
1353 | u16 pkt_id; |
1354 | }; |
1355 | |
1356 | struct { |
1357 | u8 ; |
1358 | u8 ; |
1359 | u16 ; |
1360 | }; |
1361 | |
1362 | #define NDIS_OBJECT_TYPE_DEFAULT 0x80 |
1363 | #define NDIS_OFFLOAD_PARAMETERS_REVISION_3 3 |
1364 | #define NDIS_OFFLOAD_PARAMETERS_REVISION_2 2 |
1365 | #define NDIS_OFFLOAD_PARAMETERS_REVISION_1 1 |
1366 | |
1367 | #define NDIS_OFFLOAD_PARAMETERS_NO_CHANGE 0 |
1368 | #define NDIS_OFFLOAD_PARAMETERS_LSOV2_DISABLED 1 |
1369 | #define NDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED 2 |
1370 | #define NDIS_OFFLOAD_PARAMETERS_LSOV1_ENABLED 2 |
1371 | #define NDIS_OFFLOAD_PARAMETERS_RSC_DISABLED 1 |
1372 | #define NDIS_OFFLOAD_PARAMETERS_RSC_ENABLED 2 |
1373 | #define NDIS_OFFLOAD_PARAMETERS_TX_RX_DISABLED 1 |
1374 | #define NDIS_OFFLOAD_PARAMETERS_TX_ENABLED_RX_DISABLED 2 |
1375 | #define NDIS_OFFLOAD_PARAMETERS_RX_ENABLED_TX_DISABLED 3 |
1376 | #define NDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED 4 |
1377 | |
1378 | #define NDIS_TCP_LARGE_SEND_OFFLOAD_V2_TYPE 1 |
1379 | #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV4 0 |
1380 | #define NDIS_TCP_LARGE_SEND_OFFLOAD_IPV6 1 |
1381 | |
1382 | #define VERSION_4_OFFLOAD_SIZE 22 |
1383 | /* |
1384 | * New offload OIDs for NDIS 6 |
1385 | */ |
1386 | #define OID_TCP_OFFLOAD_CURRENT_CONFIG 0xFC01020B /* query only */ |
1387 | #define OID_TCP_OFFLOAD_PARAMETERS 0xFC01020C /* set only */ |
1388 | #define OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020D/* query only */ |
1389 | #define OID_TCP_CONNECTION_OFFLOAD_CURRENT_CONFIG 0xFC01020E /* query only */ |
1390 | #define OID_TCP_CONNECTION_OFFLOAD_HARDWARE_CAPABILITIES 0xFC01020F /* query */ |
1391 | #define OID_OFFLOAD_ENCAPSULATION 0x0101010A /* set/query */ |
1392 | |
1393 | /* |
1394 | * OID_TCP_OFFLOAD_HARDWARE_CAPABILITIES |
1395 | * ndis_type: NDIS_OBJTYPE_OFFLOAD |
1396 | */ |
1397 | |
1398 | #define NDIS_OFFLOAD_ENCAP_NONE 0x0000 |
1399 | #define NDIS_OFFLOAD_ENCAP_NULL 0x0001 |
1400 | #define NDIS_OFFLOAD_ENCAP_8023 0x0002 |
1401 | #define NDIS_OFFLOAD_ENCAP_8023PQ 0x0004 |
1402 | #define NDIS_OFFLOAD_ENCAP_8023PQ_OOB 0x0008 |
1403 | #define NDIS_OFFLOAD_ENCAP_RFC1483 0x0010 |
1404 | |
1405 | struct ndis_csum_offload { |
1406 | u32 ip4_txenc; |
1407 | u32 ip4_txcsum; |
1408 | #define NDIS_TXCSUM_CAP_IP4OPT 0x001 |
1409 | #define NDIS_TXCSUM_CAP_TCP4OPT 0x004 |
1410 | #define NDIS_TXCSUM_CAP_TCP4 0x010 |
1411 | #define NDIS_TXCSUM_CAP_UDP4 0x040 |
1412 | #define NDIS_TXCSUM_CAP_IP4 0x100 |
1413 | |
1414 | #define NDIS_TXCSUM_ALL_TCP4 (NDIS_TXCSUM_CAP_TCP4 | NDIS_TXCSUM_CAP_TCP4OPT) |
1415 | |
1416 | u32 ip4_rxenc; |
1417 | u32 ip4_rxcsum; |
1418 | #define NDIS_RXCSUM_CAP_IP4OPT 0x001 |
1419 | #define NDIS_RXCSUM_CAP_TCP4OPT 0x004 |
1420 | #define NDIS_RXCSUM_CAP_TCP4 0x010 |
1421 | #define NDIS_RXCSUM_CAP_UDP4 0x040 |
1422 | #define NDIS_RXCSUM_CAP_IP4 0x100 |
1423 | u32 ip6_txenc; |
1424 | u32 ip6_txcsum; |
1425 | #define NDIS_TXCSUM_CAP_IP6EXT 0x001 |
1426 | #define NDIS_TXCSUM_CAP_TCP6OPT 0x004 |
1427 | #define NDIS_TXCSUM_CAP_TCP6 0x010 |
1428 | #define NDIS_TXCSUM_CAP_UDP6 0x040 |
1429 | u32 ip6_rxenc; |
1430 | u32 ip6_rxcsum; |
1431 | #define NDIS_RXCSUM_CAP_IP6EXT 0x001 |
1432 | #define NDIS_RXCSUM_CAP_TCP6OPT 0x004 |
1433 | #define NDIS_RXCSUM_CAP_TCP6 0x010 |
1434 | #define NDIS_RXCSUM_CAP_UDP6 0x040 |
1435 | |
1436 | #define NDIS_TXCSUM_ALL_TCP6 (NDIS_TXCSUM_CAP_TCP6 | \ |
1437 | NDIS_TXCSUM_CAP_TCP6OPT | \ |
1438 | NDIS_TXCSUM_CAP_IP6EXT) |
1439 | }; |
1440 | |
1441 | struct ndis_lsov1_offload { |
1442 | u32 encap; |
1443 | u32 maxsize; |
1444 | u32 minsegs; |
1445 | u32 opts; |
1446 | }; |
1447 | |
1448 | struct ndis_ipsecv1_offload { |
1449 | u32 encap; |
1450 | u32 ah_esp; |
1451 | u32 xport_tun; |
1452 | u32 ip4_opts; |
1453 | u32 flags; |
1454 | u32 ip4_ah; |
1455 | u32 ip4_esp; |
1456 | }; |
1457 | |
1458 | struct ndis_lsov2_offload { |
1459 | u32 ip4_encap; |
1460 | u32 ip4_maxsz; |
1461 | u32 ip4_minsg; |
1462 | u32 ip6_encap; |
1463 | u32 ip6_maxsz; |
1464 | u32 ip6_minsg; |
1465 | u32 ip6_opts; |
1466 | #define NDIS_LSOV2_CAP_IP6EXT 0x001 |
1467 | #define NDIS_LSOV2_CAP_TCP6OPT 0x004 |
1468 | |
1469 | #define NDIS_LSOV2_CAP_IP6 (NDIS_LSOV2_CAP_IP6EXT | \ |
1470 | NDIS_LSOV2_CAP_TCP6OPT) |
1471 | }; |
1472 | |
1473 | struct ndis_ipsecv2_offload { |
1474 | u32 encap; |
1475 | u8 ip6; |
1476 | u8 ip4opt; |
1477 | u8 ip6ext; |
1478 | u8 ah; |
1479 | u8 esp; |
1480 | u8 ah_esp; |
1481 | u8 xport; |
1482 | u8 tun; |
1483 | u8 xport_tun; |
1484 | u8 lso; |
1485 | u8 extseq; |
1486 | u32 udp_esp; |
1487 | u32 auth; |
1488 | u32 crypto; |
1489 | u32 sa_caps; |
1490 | }; |
1491 | |
1492 | struct ndis_rsc_offload { |
1493 | u8 ip4; |
1494 | u8 ip6; |
1495 | }; |
1496 | |
1497 | struct ndis_encap_offload { |
1498 | u32 flags; |
1499 | u32 maxhdr; |
1500 | }; |
1501 | |
1502 | struct ndis_offload { |
1503 | struct ndis_object_header ; |
1504 | struct ndis_csum_offload csum; |
1505 | struct ndis_lsov1_offload lsov1; |
1506 | struct ndis_ipsecv1_offload ipsecv1; |
1507 | struct ndis_lsov2_offload lsov2; |
1508 | u32 flags; |
1509 | /* NDIS >= 6.1 */ |
1510 | struct ndis_ipsecv2_offload ipsecv2; |
1511 | /* NDIS >= 6.30 */ |
1512 | struct ndis_rsc_offload rsc; |
1513 | struct ndis_encap_offload encap_gre; |
1514 | }; |
1515 | |
1516 | #define NDIS_OFFLOAD_SIZE sizeof(struct ndis_offload) |
1517 | #define NDIS_OFFLOAD_SIZE_6_0 offsetof(struct ndis_offload, ipsecv2) |
1518 | #define NDIS_OFFLOAD_SIZE_6_1 offsetof(struct ndis_offload, rsc) |
1519 | |
1520 | struct ndis_offload_params { |
1521 | struct ndis_object_header ; |
1522 | u8 ip_v4_csum; |
1523 | u8 tcp_ip_v4_csum; |
1524 | u8 udp_ip_v4_csum; |
1525 | u8 tcp_ip_v6_csum; |
1526 | u8 udp_ip_v6_csum; |
1527 | u8 lso_v1; |
1528 | u8 ip_sec_v1; |
1529 | u8 lso_v2_ipv4; |
1530 | u8 lso_v2_ipv6; |
1531 | u8 tcp_connection_ip_v4; |
1532 | u8 tcp_connection_ip_v6; |
1533 | u32 flags; |
1534 | u8 ip_sec_v2; |
1535 | u8 ip_sec_v2_ip_v4; |
1536 | struct { |
1537 | u8 rsc_ip_v4; |
1538 | u8 rsc_ip_v6; |
1539 | }; |
1540 | struct { |
1541 | u8 encapsulated_packet_task_offload; |
1542 | u8 encapsulation_types; |
1543 | }; |
1544 | }; |
1545 | |
1546 | struct ndis_tcp_lso_info { |
1547 | union { |
1548 | struct { |
1549 | u32 unused:30; |
1550 | u32 type:1; |
1551 | u32 reserved2:1; |
1552 | } transmit; |
1553 | struct { |
1554 | u32 mss:20; |
1555 | u32 :10; |
1556 | u32 type:1; |
1557 | u32 reserved2:1; |
1558 | } lso_v1_transmit; |
1559 | struct { |
1560 | u32 tcp_payload:30; |
1561 | u32 type:1; |
1562 | u32 reserved2:1; |
1563 | } lso_v1_transmit_complete; |
1564 | struct { |
1565 | u32 mss:20; |
1566 | u32 :10; |
1567 | u32 type:1; |
1568 | u32 ip_version:1; |
1569 | } lso_v2_transmit; |
1570 | struct { |
1571 | u32 reserved:30; |
1572 | u32 type:1; |
1573 | u32 reserved2:1; |
1574 | } lso_v2_transmit_complete; |
1575 | u32 value; |
1576 | }; |
1577 | }; |
1578 | |
1579 | #define NDIS_VLAN_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ |
1580 | sizeof(struct ndis_pkt_8021q_info)) |
1581 | |
1582 | #define NDIS_CSUM_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ |
1583 | sizeof(struct ndis_tcp_ip_checksum_info)) |
1584 | |
1585 | #define NDIS_LSO_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ |
1586 | sizeof(struct ndis_tcp_lso_info)) |
1587 | |
1588 | #define NDIS_HASH_PPI_SIZE (sizeof(struct rndis_per_packet_info) + \ |
1589 | sizeof(u32)) |
1590 | |
1591 | /* Total size of all PPI data */ |
1592 | #define NDIS_ALL_PPI_SIZE (NDIS_VLAN_PPI_SIZE + NDIS_CSUM_PPI_SIZE + \ |
1593 | NDIS_LSO_PPI_SIZE + NDIS_HASH_PPI_SIZE) |
1594 | |
1595 | /* Format of Information buffer passed in a SetRequest for the OID */ |
1596 | /* OID_GEN_RNDIS_CONFIG_PARAMETER. */ |
1597 | struct rndis_config_parameter_info { |
1598 | u32 parameter_name_offset; |
1599 | u32 parameter_name_length; |
1600 | u32 parameter_type; |
1601 | u32 parameter_value_offset; |
1602 | u32 parameter_value_length; |
1603 | }; |
1604 | |
1605 | /* Values for ParameterType in struct rndis_config_parameter_info */ |
1606 | #define RNDIS_CONFIG_PARAM_TYPE_INTEGER 0 |
1607 | #define RNDIS_CONFIG_PARAM_TYPE_STRING 2 |
1608 | |
1609 | /* CONDIS Miniport messages for connection oriented devices */ |
1610 | /* that do not implement a call manager. */ |
1611 | |
1612 | /* CoNdisMiniportCreateVc message */ |
1613 | struct rcondis_mp_create_vc { |
1614 | u32 req_id; |
1615 | u32 ndis_vc_handle; |
1616 | }; |
1617 | |
1618 | /* Response to CoNdisMiniportCreateVc */ |
1619 | struct rcondis_mp_create_vc_complete { |
1620 | u32 req_id; |
1621 | u32 dev_vc_handle; |
1622 | u32 status; |
1623 | }; |
1624 | |
1625 | /* CoNdisMiniportDeleteVc message */ |
1626 | struct rcondis_mp_delete_vc { |
1627 | u32 req_id; |
1628 | u32 dev_vc_handle; |
1629 | }; |
1630 | |
1631 | /* Response to CoNdisMiniportDeleteVc */ |
1632 | struct rcondis_mp_delete_vc_complete { |
1633 | u32 req_id; |
1634 | u32 status; |
1635 | }; |
1636 | |
1637 | /* CoNdisMiniportQueryRequest message */ |
1638 | struct rcondis_mp_query_request { |
1639 | u32 req_id; |
1640 | u32 request_type; |
1641 | u32 oid; |
1642 | u32 dev_vc_handle; |
1643 | u32 info_buflen; |
1644 | u32 info_buf_offset; |
1645 | }; |
1646 | |
1647 | /* CoNdisMiniportSetRequest message */ |
1648 | struct rcondis_mp_set_request { |
1649 | u32 req_id; |
1650 | u32 request_type; |
1651 | u32 oid; |
1652 | u32 dev_vc_handle; |
1653 | u32 info_buflen; |
1654 | u32 info_buf_offset; |
1655 | }; |
1656 | |
1657 | /* CoNdisIndicateStatus message */ |
1658 | struct rcondis_indicate_status { |
1659 | u32 ndis_vc_handle; |
1660 | u32 status; |
1661 | u32 status_buflen; |
1662 | u32 status_buf_offset; |
1663 | }; |
1664 | |
1665 | /* CONDIS Call/VC parameters */ |
1666 | struct rcondis_specific_parameters { |
1667 | u32 parameter_type; |
1668 | u32 parameter_length; |
1669 | u32 parameter_lffset; |
1670 | }; |
1671 | |
1672 | struct rcondis_media_parameters { |
1673 | u32 flags; |
1674 | u32 reserved1; |
1675 | u32 reserved2; |
1676 | struct rcondis_specific_parameters media_specific; |
1677 | }; |
1678 | |
1679 | struct rndis_flowspec { |
1680 | u32 token_rate; |
1681 | u32 token_bucket_size; |
1682 | u32 peak_bandwidth; |
1683 | u32 latency; |
1684 | u32 delay_variation; |
1685 | u32 service_type; |
1686 | u32 max_sdu_size; |
1687 | u32 minimum_policed_size; |
1688 | }; |
1689 | |
1690 | struct rcondis_call_manager_parameters { |
1691 | struct rndis_flowspec transmit; |
1692 | struct rndis_flowspec receive; |
1693 | struct rcondis_specific_parameters call_mgr_specific; |
1694 | }; |
1695 | |
1696 | /* CoNdisMiniportActivateVc message */ |
1697 | struct rcondis_mp_activate_vc_request { |
1698 | u32 req_id; |
1699 | u32 flags; |
1700 | u32 dev_vc_handle; |
1701 | u32 media_params_offset; |
1702 | u32 media_params_length; |
1703 | u32 call_mgr_params_offset; |
1704 | u32 call_mgr_params_length; |
1705 | }; |
1706 | |
1707 | /* Response to CoNdisMiniportActivateVc */ |
1708 | struct rcondis_mp_activate_vc_complete { |
1709 | u32 req_id; |
1710 | u32 status; |
1711 | }; |
1712 | |
1713 | /* CoNdisMiniportDeactivateVc message */ |
1714 | struct rcondis_mp_deactivate_vc_request { |
1715 | u32 req_id; |
1716 | u32 flags; |
1717 | u32 dev_vc_handle; |
1718 | }; |
1719 | |
1720 | /* Response to CoNdisMiniportDeactivateVc */ |
1721 | struct rcondis_mp_deactivate_vc_complete { |
1722 | u32 req_id; |
1723 | u32 status; |
1724 | }; |
1725 | |
1726 | |
1727 | /* union with all of the RNDIS messages */ |
1728 | union rndis_message_container { |
1729 | struct rndis_packet pkt; |
1730 | struct rndis_initialize_request init_req; |
1731 | struct rndis_halt_request halt_req; |
1732 | struct rndis_query_request query_req; |
1733 | struct rndis_set_request set_req; |
1734 | struct rndis_reset_request reset_req; |
1735 | struct rndis_keepalive_request keep_alive_req; |
1736 | struct rndis_indicate_status indicate_status; |
1737 | struct rndis_initialize_complete init_complete; |
1738 | struct rndis_query_complete query_complete; |
1739 | struct rndis_set_complete set_complete; |
1740 | struct rndis_reset_complete reset_complete; |
1741 | struct rndis_keepalive_complete keep_alive_complete; |
1742 | struct rcondis_mp_create_vc co_miniport_create_vc; |
1743 | struct rcondis_mp_delete_vc co_miniport_delete_vc; |
1744 | struct rcondis_indicate_status co_indicate_status; |
1745 | struct rcondis_mp_activate_vc_request co_miniport_activate_vc; |
1746 | struct rcondis_mp_deactivate_vc_request co_miniport_deactivate_vc; |
1747 | struct rcondis_mp_create_vc_complete co_miniport_create_vc_complete; |
1748 | struct rcondis_mp_delete_vc_complete co_miniport_delete_vc_complete; |
1749 | struct rcondis_mp_activate_vc_complete co_miniport_activate_vc_complete; |
1750 | struct rcondis_mp_deactivate_vc_complete |
1751 | co_miniport_deactivate_vc_complete; |
1752 | }; |
1753 | |
1754 | /* Remote NDIS message format */ |
1755 | struct rndis_message { |
1756 | u32 ndis_msg_type; |
1757 | |
1758 | /* Total length of this message, from the beginning */ |
1759 | /* of the struct rndis_message, in bytes. */ |
1760 | u32 msg_len; |
1761 | |
1762 | /* Actual message */ |
1763 | union rndis_message_container msg; |
1764 | }; |
1765 | |
1766 | |
1767 | /* Handy macros */ |
1768 | |
1769 | /* get the size of an RNDIS message. Pass in the message type, */ |
1770 | /* struct rndis_set_request, struct rndis_packet for example */ |
1771 | #define RNDIS_MESSAGE_SIZE(msg) \ |
1772 | (sizeof(msg) + (sizeof(struct rndis_message) - \ |
1773 | sizeof(union rndis_message_container))) |
1774 | |
1775 | #define (sizeof(struct rndis_message) - \ |
1776 | sizeof(union rndis_message_container)) |
1777 | |
1778 | #define RNDIS_AND_PPI_SIZE (sizeof(struct rndis_message) + NDIS_ALL_PPI_SIZE) |
1779 | |
1780 | #define NDIS_PACKET_TYPE_DIRECTED 0x00000001 |
1781 | #define NDIS_PACKET_TYPE_MULTICAST 0x00000002 |
1782 | #define NDIS_PACKET_TYPE_ALL_MULTICAST 0x00000004 |
1783 | #define NDIS_PACKET_TYPE_BROADCAST 0x00000008 |
1784 | #define NDIS_PACKET_TYPE_SOURCE_ROUTING 0x00000010 |
1785 | #define NDIS_PACKET_TYPE_PROMISCUOUS 0x00000020 |
1786 | #define NDIS_PACKET_TYPE_SMT 0x00000040 |
1787 | #define NDIS_PACKET_TYPE_ALL_LOCAL 0x00000080 |
1788 | #define NDIS_PACKET_TYPE_GROUP 0x00000100 |
1789 | #define NDIS_PACKET_TYPE_ALL_FUNCTIONAL 0x00000200 |
1790 | #define NDIS_PACKET_TYPE_FUNCTIONAL 0x00000400 |
1791 | #define NDIS_PACKET_TYPE_MAC_FRAME 0x00000800 |
1792 | |
1793 | #define TRANSPORT_INFO_NOT_IP 0 |
1794 | #define TRANSPORT_INFO_IPV4_TCP 0x01 |
1795 | #define TRANSPORT_INFO_IPV4_UDP 0x02 |
1796 | #define TRANSPORT_INFO_IPV6_TCP 0x10 |
1797 | #define TRANSPORT_INFO_IPV6_UDP 0x20 |
1798 | |
1799 | #define RETRY_US_LO 5000 |
1800 | #define RETRY_US_HI 10000 |
1801 | #define RETRY_MAX 2000 /* >10 sec */ |
1802 | |
1803 | void netvsc_dma_unmap(struct hv_device *hv_dev, |
1804 | struct hv_netvsc_packet *packet); |
1805 | #endif /* _HYPERV_NET_H */ |
1806 | |