2 * Copyright (c) 2009-2012 Microsoft Corp.
3 * Copyright (c) 2010-2012 Citrix Inc.
4 * Copyright (c) 2012 NetApp Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
34 #include <sys/socket.h>
36 #include <sys/mutex.h>
37 #include <net/if_arp.h>
38 #include <net/ethernet.h>
39 #include <sys/types.h>
40 #include <machine/atomic.h>
43 #include <vm/vm_param.h>
46 #include <dev/hyperv/include/hyperv.h>
47 #include "hv_net_vsc.h"
49 #include "hv_rndis_filter.h"
53 * Forward declarations
55 static int hv_rf_send_request(rndis_device *device, rndis_request *request,
56 uint32_t message_type);
57 static void hv_rf_receive_response(rndis_device *device, rndis_msg *response);
58 static void hv_rf_receive_indicate_status(rndis_device *device,
60 static void hv_rf_receive_data(rndis_device *device, rndis_msg *message,
62 static int hv_rf_query_device(rndis_device *device, uint32_t oid,
63 void *result, uint32_t *result_size);
64 static inline int hv_rf_query_device_mac(rndis_device *device);
65 static inline int hv_rf_query_device_link_status(rndis_device *device);
66 static int hv_rf_set_packet_filter(rndis_device *device, uint32_t new_filter);
67 static int hv_rf_init_device(rndis_device *device);
68 static int hv_rf_open_device(rndis_device *device);
69 static int hv_rf_close_device(rndis_device *device);
70 static void hv_rf_on_send_request_completion(void *context);
71 static void hv_rf_on_send_request_halt_completion(void *context);
73 hv_rf_send_offload_request(struct hv_device *device,
74 rndis_offload_params *offloads);
76 * Set the Per-Packet-Info with the specified type
79 hv_set_rppi_data(rndis_msg *rndis_mesg, uint32_t rppi_size,
82 rndis_packet *rndis_pkt;
83 rndis_per_packet_info *rppi;
85 rndis_pkt = &rndis_mesg->msg.packet;
86 rndis_pkt->data_offset += rppi_size;
88 rppi = (rndis_per_packet_info *)((char *)rndis_pkt +
89 rndis_pkt->per_pkt_info_offset + rndis_pkt->per_pkt_info_length);
91 rppi->size = rppi_size;
92 rppi->type = pkt_type;
93 rppi->per_packet_info_offset = sizeof(rndis_per_packet_info);
95 rndis_pkt->per_pkt_info_length += rppi_size;
101 * Get the Per-Packet-Info with the specified type
102 * return NULL if not found.
105 hv_get_ppi_data(rndis_packet *rpkt, uint32_t type)
107 rndis_per_packet_info *ppi;
110 if (rpkt->per_pkt_info_offset == 0)
113 ppi = (rndis_per_packet_info *)((unsigned long)rpkt +
114 rpkt->per_pkt_info_offset);
115 len = rpkt->per_pkt_info_length;
118 if (ppi->type == type)
119 return (void *)((unsigned long)ppi +
120 ppi->per_packet_info_offset);
123 ppi = (rndis_per_packet_info *)((unsigned long)ppi + ppi->size);
131 * Allow module_param to work and override to switch to promiscuous mode.
133 static inline rndis_device *
134 hv_get_rndis_device(void)
136 rndis_device *device;
138 device = malloc(sizeof(rndis_device), M_NETVSC, M_WAITOK | M_ZERO);
140 mtx_init(&device->req_lock, "HV-FRL", NULL, MTX_DEF);
142 /* Same effect as STAILQ_HEAD_INITIALIZER() static initializer */
143 STAILQ_INIT(&device->myrequest_list);
145 device->state = RNDIS_DEV_UNINITIALIZED;
154 hv_put_rndis_device(rndis_device *device)
156 mtx_destroy(&device->req_lock);
157 free(device, M_NETVSC);
163 static inline rndis_request *
164 hv_rndis_request(rndis_device *device, uint32_t message_type,
165 uint32_t message_length)
167 rndis_request *request;
168 rndis_msg *rndis_mesg;
169 rndis_set_request *set;
171 request = malloc(sizeof(rndis_request), M_NETVSC, M_WAITOK | M_ZERO);
173 sema_init(&request->wait_sema, 0, "rndis sema");
175 rndis_mesg = &request->request_msg;
176 rndis_mesg->ndis_msg_type = message_type;
177 rndis_mesg->msg_len = message_length;
180 * Set the request id. This field is always after the rndis header
181 * for request/response packet types so we just use the set_request
184 set = &rndis_mesg->msg.set_request;
185 set->request_id = atomic_fetchadd_int(&device->new_request_id, 1);
186 /* Increment to get the new value (call above returns old value) */
187 set->request_id += 1;
189 /* Add to the request list */
190 mtx_lock(&device->req_lock);
191 STAILQ_INSERT_TAIL(&device->myrequest_list, request, mylist_entry);
192 mtx_unlock(&device->req_lock);
201 hv_put_rndis_request(rndis_device *device, rndis_request *request)
203 mtx_lock(&device->req_lock);
204 /* Fixme: Has O(n) performance */
206 * XXXKYS: Use Doubly linked lists.
208 STAILQ_REMOVE(&device->myrequest_list, request, rndis_request_,
210 mtx_unlock(&device->req_lock);
212 sema_destroy(&request->wait_sema);
213 free(request, M_NETVSC);
220 hv_rf_send_request(rndis_device *device, rndis_request *request,
221 uint32_t message_type)
224 netvsc_packet *packet;
226 /* Set up the packet to send it */
227 packet = &request->pkt;
229 packet->is_data_pkt = FALSE;
230 packet->tot_data_buf_len = request->request_msg.msg_len;
231 packet->page_buf_count = 1;
233 packet->page_buffers[0].pfn =
234 hv_get_phys_addr(&request->request_msg) >> PAGE_SHIFT;
235 packet->page_buffers[0].length = request->request_msg.msg_len;
236 packet->page_buffers[0].offset =
237 (unsigned long)&request->request_msg & (PAGE_SIZE - 1);
239 packet->compl.send.send_completion_context = request; /* packet */
240 if (message_type != REMOTE_NDIS_HALT_MSG) {
241 packet->compl.send.on_send_completion =
242 hv_rf_on_send_request_completion;
244 packet->compl.send.on_send_completion =
245 hv_rf_on_send_request_halt_completion;
247 packet->compl.send.send_completion_tid = (unsigned long)device;
248 packet->send_buf_section_idx =
249 NVSP_1_CHIMNEY_SEND_INVALID_SECTION_INDEX;
250 packet->send_buf_section_size = 0;
252 ret = hv_nv_on_send(device->net_dev->dev, packet);
258 * RNDIS filter receive response
261 hv_rf_receive_response(rndis_device *device, rndis_msg *response)
263 rndis_request *request = NULL;
264 rndis_request *next_request;
265 boolean_t found = FALSE;
267 mtx_lock(&device->req_lock);
268 request = STAILQ_FIRST(&device->myrequest_list);
269 while (request != NULL) {
271 * All request/response message contains request_id as the
274 if (request->request_msg.msg.init_request.request_id ==
275 response->msg.init_complete.request_id) {
279 next_request = STAILQ_NEXT(request, mylist_entry);
280 request = next_request;
282 mtx_unlock(&device->req_lock);
285 if (response->msg_len <= sizeof(rndis_msg)) {
286 memcpy(&request->response_msg, response,
289 if (response->ndis_msg_type == REMOTE_NDIS_RESET_CMPLT) {
290 /* Does not have a request id field */
291 request->response_msg.msg.reset_complete.status =
292 STATUS_BUFFER_OVERFLOW;
294 request->response_msg.msg.init_complete.status =
295 STATUS_BUFFER_OVERFLOW;
299 sema_post(&request->wait_sema);
304 hv_rf_send_offload_request(struct hv_device *device,
305 rndis_offload_params *offloads)
307 rndis_request *request;
308 rndis_set_request *set;
309 rndis_offload_params *offload_req;
310 rndis_set_complete *set_complete;
311 rndis_device *rndis_dev;
312 hn_softc_t *sc = device_get_softc(device->device);
313 device_t dev = device->device;
314 netvsc_dev *net_dev = sc->net_dev;
315 uint32_t vsp_version = net_dev->nvsp_version;
316 uint32_t extlen = sizeof(rndis_offload_params);
319 if (vsp_version <= NVSP_PROTOCOL_VERSION_4) {
320 extlen = VERSION_4_OFFLOAD_SIZE;
321 /* On NVSP_PROTOCOL_VERSION_4 and below, we do not support
322 * UDP checksum offload.
324 offloads->udp_ipv4_csum = 0;
325 offloads->udp_ipv6_csum = 0;
328 rndis_dev = net_dev->extension;
330 request = hv_rndis_request(rndis_dev, REMOTE_NDIS_SET_MSG,
331 RNDIS_MESSAGE_SIZE(rndis_set_request) + extlen);
335 set = &request->request_msg.msg.set_request;
336 set->oid = RNDIS_OID_TCP_OFFLOAD_PARAMETERS;
337 set->info_buffer_length = extlen;
338 set->info_buffer_offset = sizeof(rndis_set_request);
339 set->device_vc_handle = 0;
341 offload_req = (rndis_offload_params *)((unsigned long)set +
342 set->info_buffer_offset);
343 *offload_req = *offloads;
344 offload_req->header.type = RNDIS_OBJECT_TYPE_DEFAULT;
345 offload_req->header.revision = RNDIS_OFFLOAD_PARAMETERS_REVISION_3;
346 offload_req->header.size = extlen;
348 ret = hv_rf_send_request(rndis_dev, request, REMOTE_NDIS_SET_MSG);
350 device_printf(dev, "hv send offload request failed, ret=%d!\n",
355 ret = sema_timedwait(&request->wait_sema, 500);
357 device_printf(dev, "hv send offload request timeout\n");
361 set_complete = &request->response_msg.msg.set_complete;
362 if (set_complete->status == RNDIS_STATUS_SUCCESS) {
363 device_printf(dev, "hv send offload request succeeded\n");
366 if (set_complete->status == STATUS_NOT_SUPPORTED) {
367 device_printf(dev, "HV Not support offload\n");
370 ret = set_complete->status;
376 hv_put_rndis_request(rndis_dev, request);
382 * RNDIS filter receive indicate status
385 hv_rf_receive_indicate_status(rndis_device *device, rndis_msg *response)
387 rndis_indicate_status *indicate = &response->msg.indicate_status;
389 switch(indicate->status) {
390 case RNDIS_STATUS_MEDIA_CONNECT:
391 netvsc_linkstatus_callback(device->net_dev->dev, 1);
393 case RNDIS_STATUS_MEDIA_DISCONNECT:
394 netvsc_linkstatus_callback(device->net_dev->dev, 0);
398 device_printf(device->net_dev->dev->device,
399 "unknown status %d received\n", indicate->status);
405 * RNDIS filter receive data
408 hv_rf_receive_data(rndis_device *device, rndis_msg *message, netvsc_packet *pkt)
410 rndis_packet *rndis_pkt;
411 ndis_8021q_info *rppi_vlan_info;
412 uint32_t data_offset;
413 rndis_tcp_ip_csum_info *csum_info = NULL;
414 device_t dev = device->net_dev->dev->device;
416 rndis_pkt = &message->msg.packet;
419 * Fixme: Handle multiple rndis pkt msgs that may be enclosed in this
420 * netvsc packet (ie tot_data_buf_len != message_length)
423 /* Remove rndis header, then pass data packet up the stack */
424 data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset;
426 pkt->tot_data_buf_len -= data_offset;
427 if (pkt->tot_data_buf_len < rndis_pkt->data_length) {
428 pkt->status = nvsp_status_failure;
430 "total length %u is less than data length %u\n",
431 pkt->tot_data_buf_len, rndis_pkt->data_length);
435 pkt->tot_data_buf_len = rndis_pkt->data_length;
436 pkt->data = (void *)((unsigned long)pkt->data + data_offset);
438 rppi_vlan_info = hv_get_ppi_data(rndis_pkt, ieee_8021q_info);
439 if (rppi_vlan_info) {
440 pkt->vlan_tci = rppi_vlan_info->u1.s1.vlan_id;
445 csum_info = hv_get_ppi_data(rndis_pkt, tcpip_chksum_info);
446 netvsc_recv(device->net_dev->dev, pkt, csum_info);
450 * RNDIS filter on receive
453 hv_rf_on_receive(netvsc_dev *net_dev, struct hv_device *device, netvsc_packet *pkt)
455 rndis_device *rndis_dev;
456 rndis_msg *rndis_hdr;
458 /* Make sure the rndis device state is initialized */
459 if (net_dev->extension == NULL) {
460 pkt->status = nvsp_status_failure;
464 rndis_dev = (rndis_device *)net_dev->extension;
465 if (rndis_dev->state == RNDIS_DEV_UNINITIALIZED) {
466 pkt->status = nvsp_status_failure;
470 rndis_hdr = pkt->data;
472 switch (rndis_hdr->ndis_msg_type) {
475 case REMOTE_NDIS_PACKET_MSG:
476 hv_rf_receive_data(rndis_dev, rndis_hdr, pkt);
478 /* completion messages */
479 case REMOTE_NDIS_INITIALIZE_CMPLT:
480 case REMOTE_NDIS_QUERY_CMPLT:
481 case REMOTE_NDIS_SET_CMPLT:
482 case REMOTE_NDIS_RESET_CMPLT:
483 case REMOTE_NDIS_KEEPALIVE_CMPLT:
484 hv_rf_receive_response(rndis_dev, rndis_hdr);
486 /* notification message */
487 case REMOTE_NDIS_INDICATE_STATUS_MSG:
488 hv_rf_receive_indicate_status(rndis_dev, rndis_hdr);
491 printf("hv_rf_on_receive(): Unknown msg_type 0x%x\n",
492 rndis_hdr->ndis_msg_type);
500 * RNDIS filter query device
503 hv_rf_query_device(rndis_device *device, uint32_t oid, void *result,
504 uint32_t *result_size)
506 rndis_request *request;
507 uint32_t in_result_size = *result_size;
508 rndis_query_request *query;
509 rndis_query_complete *query_complete;
513 request = hv_rndis_request(device, REMOTE_NDIS_QUERY_MSG,
514 RNDIS_MESSAGE_SIZE(rndis_query_request));
515 if (request == NULL) {
520 /* Set up the rndis query */
521 query = &request->request_msg.msg.query_request;
523 query->info_buffer_offset = sizeof(rndis_query_request);
524 query->info_buffer_length = 0;
525 query->device_vc_handle = 0;
527 ret = hv_rf_send_request(device, request, REMOTE_NDIS_QUERY_MSG);
529 /* Fixme: printf added */
530 printf("RNDISFILTER request failed to Send!\n");
534 sema_wait(&request->wait_sema);
536 /* Copy the response back */
537 query_complete = &request->response_msg.msg.query_complete;
539 if (query_complete->info_buffer_length > in_result_size) {
544 memcpy(result, (void *)((unsigned long)query_complete +
545 query_complete->info_buffer_offset),
546 query_complete->info_buffer_length);
548 *result_size = query_complete->info_buffer_length;
552 hv_put_rndis_request(device, request);
558 * RNDIS filter query device MAC address
561 hv_rf_query_device_mac(rndis_device *device)
563 uint32_t size = HW_MACADDR_LEN;
565 return (hv_rf_query_device(device,
566 RNDIS_OID_802_3_PERMANENT_ADDRESS, device->hw_mac_addr, &size));
570 * RNDIS filter query device link status
573 hv_rf_query_device_link_status(rndis_device *device)
575 uint32_t size = sizeof(uint32_t);
577 return (hv_rf_query_device(device,
578 RNDIS_OID_GEN_MEDIA_CONNECT_STATUS, &device->link_status, &size));
582 * RNDIS filter set packet filter
583 * Sends an rndis request with the new filter, then waits for a response
585 * Returns zero on success, non-zero on failure.
588 hv_rf_set_packet_filter(rndis_device *device, uint32_t new_filter)
590 rndis_request *request;
591 rndis_set_request *set;
592 rndis_set_complete *set_complete;
596 request = hv_rndis_request(device, REMOTE_NDIS_SET_MSG,
597 RNDIS_MESSAGE_SIZE(rndis_set_request) + sizeof(uint32_t));
598 if (request == NULL) {
603 /* Set up the rndis set */
604 set = &request->request_msg.msg.set_request;
605 set->oid = RNDIS_OID_GEN_CURRENT_PACKET_FILTER;
606 set->info_buffer_length = sizeof(uint32_t);
607 set->info_buffer_offset = sizeof(rndis_set_request);
609 memcpy((void *)((unsigned long)set + sizeof(rndis_set_request)),
610 &new_filter, sizeof(uint32_t));
612 ret = hv_rf_send_request(device, request, REMOTE_NDIS_SET_MSG);
618 * Wait for the response from the host. Another thread will signal
619 * us when the response has arrived. In the failure case,
620 * sema_timedwait() returns a non-zero status after waiting 5 seconds.
622 ret = sema_timedwait(&request->wait_sema, 500);
624 /* Response received, check status */
625 set_complete = &request->response_msg.msg.set_complete;
626 status = set_complete->status;
627 if (status != RNDIS_STATUS_SUCCESS) {
628 /* Bad response status, return error */
633 * We cannot deallocate the request since we may still
634 * receive a send completion for it.
640 if (request != NULL) {
641 hv_put_rndis_request(device, request);
648 * RNDIS filter init device
651 hv_rf_init_device(rndis_device *device)
653 rndis_request *request;
654 rndis_initialize_request *init;
655 rndis_initialize_complete *init_complete;
659 request = hv_rndis_request(device, REMOTE_NDIS_INITIALIZE_MSG,
660 RNDIS_MESSAGE_SIZE(rndis_initialize_request));
666 /* Set up the rndis set */
667 init = &request->request_msg.msg.init_request;
668 init->major_version = RNDIS_MAJOR_VERSION;
669 init->minor_version = RNDIS_MINOR_VERSION;
671 * Per the RNDIS document, this should be set to the max MTU
672 * plus the header size. However, 2048 works fine, so leaving
675 init->max_xfer_size = 2048;
677 device->state = RNDIS_DEV_INITIALIZING;
679 ret = hv_rf_send_request(device, request, REMOTE_NDIS_INITIALIZE_MSG);
681 device->state = RNDIS_DEV_UNINITIALIZED;
685 sema_wait(&request->wait_sema);
687 init_complete = &request->response_msg.msg.init_complete;
688 status = init_complete->status;
689 if (status == RNDIS_STATUS_SUCCESS) {
690 device->state = RNDIS_DEV_INITIALIZED;
693 device->state = RNDIS_DEV_UNINITIALIZED;
699 hv_put_rndis_request(device, request);
705 #define HALT_COMPLETION_WAIT_COUNT 25
708 * RNDIS filter halt device
711 hv_rf_halt_device(rndis_device *device)
713 rndis_request *request;
714 rndis_halt_request *halt;
717 /* Attempt to do a rndis device halt */
718 request = hv_rndis_request(device, REMOTE_NDIS_HALT_MSG,
719 RNDIS_MESSAGE_SIZE(rndis_halt_request));
720 if (request == NULL) {
724 /* initialize "poor man's semaphore" */
725 request->halt_complete_flag = 0;
727 /* Set up the rndis set */
728 halt = &request->request_msg.msg.halt_request;
729 halt->request_id = atomic_fetchadd_int(&device->new_request_id, 1);
730 /* Increment to get the new value (call above returns old value) */
731 halt->request_id += 1;
733 ret = hv_rf_send_request(device, request, REMOTE_NDIS_HALT_MSG);
739 * Wait for halt response from halt callback. We must wait for
740 * the transaction response before freeing the request and other
743 for (i=HALT_COMPLETION_WAIT_COUNT; i > 0; i--) {
744 if (request->halt_complete_flag != 0) {
753 device->state = RNDIS_DEV_UNINITIALIZED;
755 if (request != NULL) {
756 hv_put_rndis_request(device, request);
763 * RNDIS filter open device
766 hv_rf_open_device(rndis_device *device)
770 if (device->state != RNDIS_DEV_INITIALIZED) {
774 if (hv_promisc_mode != 1) {
775 ret = hv_rf_set_packet_filter(device,
776 NDIS_PACKET_TYPE_BROADCAST |
777 NDIS_PACKET_TYPE_ALL_MULTICAST |
778 NDIS_PACKET_TYPE_DIRECTED);
780 ret = hv_rf_set_packet_filter(device,
781 NDIS_PACKET_TYPE_PROMISCUOUS);
785 device->state = RNDIS_DEV_DATAINITIALIZED;
792 * RNDIS filter close device
795 hv_rf_close_device(rndis_device *device)
799 if (device->state != RNDIS_DEV_DATAINITIALIZED) {
803 ret = hv_rf_set_packet_filter(device, 0);
805 device->state = RNDIS_DEV_INITIALIZED;
812 * RNDIS filter on device add
815 hv_rf_on_device_add(struct hv_device *device, void *additl_info)
819 rndis_device *rndis_dev;
820 rndis_offload_params offloads;
821 netvsc_device_info *dev_info = (netvsc_device_info *)additl_info;
822 device_t dev = device->device;
824 rndis_dev = hv_get_rndis_device();
825 if (rndis_dev == NULL) {
830 * Let the inner driver handle this first to create the netvsc channel
831 * NOTE! Once the channel is created, we may get a receive callback
832 * (hv_rf_on_receive()) before this call is completed.
833 * Note: Earlier code used a function pointer here.
835 net_dev = hv_nv_on_device_add(device, additl_info);
837 hv_put_rndis_device(rndis_dev);
843 * Initialize the rndis device
846 net_dev->extension = rndis_dev;
847 rndis_dev->net_dev = net_dev;
849 /* Send the rndis initialization message */
850 ret = hv_rf_init_device(rndis_dev);
853 * TODO: If rndis init failed, we will need to shut down
858 /* Get the mac address */
859 ret = hv_rf_query_device_mac(rndis_dev);
861 /* TODO: shut down rndis device and the channel */
864 /* config csum offload and send request to host */
865 memset(&offloads, 0, sizeof(offloads));
866 offloads.ipv4_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
867 offloads.tcp_ipv4_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
868 offloads.udp_ipv4_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
869 offloads.tcp_ipv6_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
870 offloads.udp_ipv6_csum = RNDIS_OFFLOAD_PARAMETERS_TX_RX_ENABLED;
871 offloads.lso_v2_ipv4 = RNDIS_OFFLOAD_PARAMETERS_LSOV2_ENABLED;
873 ret = hv_rf_send_offload_request(device, &offloads);
875 /* TODO: shut down rndis device and the channel */
877 "hv_rf_send_offload_request failed, ret=%d\n", ret);
880 memcpy(dev_info->mac_addr, rndis_dev->hw_mac_addr, HW_MACADDR_LEN);
882 hv_rf_query_device_link_status(rndis_dev);
884 dev_info->link_state = rndis_dev->link_status;
890 * RNDIS filter on device remove
893 hv_rf_on_device_remove(struct hv_device *device, boolean_t destroy_channel)
895 hn_softc_t *sc = device_get_softc(device->device);
896 netvsc_dev *net_dev = sc->net_dev;
897 rndis_device *rndis_dev = (rndis_device *)net_dev->extension;
900 /* Halt and release the rndis device */
901 ret = hv_rf_halt_device(rndis_dev);
903 hv_put_rndis_device(rndis_dev);
904 net_dev->extension = NULL;
906 /* Pass control to inner driver to remove the device */
907 ret |= hv_nv_on_device_remove(device, destroy_channel);
913 * RNDIS filter on open
916 hv_rf_on_open(struct hv_device *device)
918 hn_softc_t *sc = device_get_softc(device->device);
919 netvsc_dev *net_dev = sc->net_dev;
921 return (hv_rf_open_device((rndis_device *)net_dev->extension));
925 * RNDIS filter on close
928 hv_rf_on_close(struct hv_device *device)
930 hn_softc_t *sc = device_get_softc(device->device);
931 netvsc_dev *net_dev = sc->net_dev;
933 return (hv_rf_close_device((rndis_device *)net_dev->extension));
937 * RNDIS filter on send request completion callback
940 hv_rf_on_send_request_completion(void *context)
945 * RNDIS filter on send request (halt only) completion callback
948 hv_rf_on_send_request_halt_completion(void *context)
950 rndis_request *request = context;
953 * Notify hv_rf_halt_device() about halt completion.
954 * The halt code must wait for completion before freeing
955 * the transaction resources.
957 request->halt_complete_flag = 1;
961 * RNDIS filter when "all" reception is done
964 hv_rf_receive_rollup(netvsc_dev *net_dev)
966 rndis_device *rndis_dev;
968 rndis_dev = (rndis_device *)net_dev->extension;
969 netvsc_recv_rollup(rndis_dev->net_dev->dev);
973 hv_rf_channel_rollup(netvsc_dev *net_dev)
975 rndis_device *rndis_dev;
977 rndis_dev = (rndis_device *)net_dev->extension;
980 * This could be called pretty early, so we need
981 * to make sure everything has been setup.
983 if (rndis_dev == NULL ||
984 rndis_dev->net_dev == NULL ||
985 rndis_dev->net_dev->dev == NULL)
987 netvsc_channel_rollup(rndis_dev->net_dev->dev);