1 /* $OpenBSD: if_urndis.c,v 1.46 2013/12/09 15:45:29 pirofti Exp $ */
4 * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org>
5 * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org>
6 * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org>
7 * Copyright (c) 2014 Hans Petter Selasky <hselasky@freebsd.org>
10 * Permission to use, copy, modify, and distribute this software for any
11 * purpose with or without fee is hereby granted, provided that the above
12 * copyright notice and this permission notice appear in all copies.
14 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 * $FreeBSD: head/sys/dev/usb/net/if_urndis.c 261544 2014-02-06 10:47:47Z hselasky $
25 #include <sys/stdint.h>
26 #include <sys/param.h>
27 #include <sys/queue.h>
28 #include <sys/types.h>
29 #include <sys/systm.h>
30 #include <sys/socket.h>
31 #include <sys/kernel.h>
33 #include <sys/module.h>
35 #include <sys/condvar.h>
36 #include <sys/sysctl.h>
37 #include <sys/unistd.h>
38 #include <sys/callout.h>
39 #include <sys/malloc.h>
43 #include <net/if_var.h>
44 #include <net/ifq_var.h>
46 #include <bus/u4b/usb.h>
47 #include <bus/u4b/usbdi.h>
48 #include <bus/u4b/usbdi_util.h>
51 #define USB_DEBUG_VAR urndis_debug
52 #include <bus/u4b/usb_debug.h>
53 #include <bus/u4b/usb_process.h>
56 #include <bus/u4b/net/usb_ethernet.h>
57 #include <bus/u4b/net/if_urndisreg.h>
59 #include <bus/u4b/usb_cdc.h>
61 static device_probe_t urndis_probe;
62 static device_attach_t urndis_attach;
63 static device_detach_t urndis_detach;
64 static device_suspend_t urndis_suspend;
65 static device_resume_t urndis_resume;
67 static usb_callback_t urndis_bulk_write_callback;
68 static usb_callback_t urndis_bulk_read_callback;
69 static usb_callback_t urndis_intr_read_callback;
71 static uether_fn_t urndis_attach_post;
72 static uether_fn_t urndis_init;
73 static uether_fn_t urndis_stop;
74 static uether_fn_t urndis_start;
75 static uether_fn_t urndis_setmulti;
76 static uether_fn_t urndis_setpromisc;
78 static uint32_t urndis_ctrl_query(struct urndis_softc *, uint32_t, const void **, uint16_t *);
79 static uint32_t urndis_ctrl_set(struct urndis_softc *, uint32_t, struct urndis_set_req *, uint16_t);
80 static uint32_t urndis_ctrl_handle_init(struct urndis_softc *, const struct urndis_comp_hdr *);
81 static uint32_t urndis_ctrl_handle_query(struct urndis_softc *, const struct urndis_comp_hdr *, const void **, uint16_t *);
82 static uint32_t urndis_ctrl_handle_reset(struct urndis_softc *, const struct urndis_comp_hdr *);
83 static uint32_t urndis_ctrl_init(struct urndis_softc *);
86 static int urndis_debug = 0;
87 static SYSCTL_NODE(_hw_usb, OID_AUTO, urndis, CTLFLAG_RW, 0, "USB RNDIS-Ethernet");
88 SYSCTL_INT(_hw_usb_urndis, OID_AUTO, debug, CTLFLAG_RW, &urndis_debug, 0,
92 static const struct usb_config urndis_config[URNDIS_N_TRANSFER] = {
96 .endpoint = UE_ADDR_ANY,
97 .direction = UE_DIR_RX,
100 .bufsize = RNDIS_RX_MAXLEN,
101 .flags = {.short_xfer_ok = 1,},
102 .callback = urndis_bulk_read_callback,
103 .timeout = 0, /* no timeout */
104 .usb_mode = USB_MODE_HOST,
109 .endpoint = UE_ADDR_ANY,
110 .direction = UE_DIR_TX,
112 .frames = RNDIS_TX_FRAMES_MAX,
113 .bufsize = (RNDIS_TX_FRAMES_MAX * RNDIS_TX_MAXLEN),
115 .force_short_xfer = 1,
117 .callback = urndis_bulk_write_callback,
118 .timeout = 10000, /* 10 seconds */
119 .usb_mode = USB_MODE_HOST,
123 .type = UE_INTERRUPT,
124 .endpoint = UE_ADDR_ANY,
125 .direction = UE_DIR_RX,
127 .bufsize = 0, /* use wMaxPacketSize */
128 .flags = {.short_xfer_ok = 1,.no_pipe_ok = 1,},
129 .callback = urndis_intr_read_callback,
131 .usb_mode = USB_MODE_HOST,
135 static device_method_t urndis_methods[] = {
136 /* Device interface */
137 DEVMETHOD(device_probe, urndis_probe),
138 DEVMETHOD(device_attach, urndis_attach),
139 DEVMETHOD(device_detach, urndis_detach),
140 DEVMETHOD(device_suspend, urndis_suspend),
141 DEVMETHOD(device_resume, urndis_resume),
146 static driver_t urndis_driver = {
148 .methods = urndis_methods,
149 .size = sizeof(struct urndis_softc),
152 static devclass_t urndis_devclass;
154 DRIVER_MODULE(urndis, uhub, urndis_driver, urndis_devclass, NULL, NULL);
155 MODULE_VERSION(urndis, 1);
156 MODULE_DEPEND(urndis, uether, 1, 1, 1);
157 MODULE_DEPEND(urndis, usb, 1, 1, 1);
158 MODULE_DEPEND(urndis, ether, 1, 1, 1);
160 static const struct usb_ether_methods urndis_ue_methods = {
161 .ue_attach_post = urndis_attach_post,
162 .ue_start = urndis_start,
163 .ue_init = urndis_init,
164 .ue_stop = urndis_stop,
165 .ue_setmulti = urndis_setmulti,
166 .ue_setpromisc = urndis_setpromisc,
169 static const STRUCT_USB_HOST_ID urndis_host_devs[] = {
171 /* XXX this entry has a conflict an entry the umodem driver XXX */
172 {USB_IFACE_CLASS(UICLASS_CDC), USB_IFACE_SUBCLASS(UISUBCLASS_ABSTRACT_CONTROL_MODEL),
173 USB_IFACE_PROTOCOL(0xff)},
175 {USB_IFACE_CLASS(UICLASS_WIRELESS), USB_IFACE_SUBCLASS(UISUBCLASS_RF),
176 USB_IFACE_PROTOCOL(UIPROTO_RNDIS)},
177 {USB_IFACE_CLASS(UICLASS_IAD), USB_IFACE_SUBCLASS(UISUBCLASS_SYNC),
178 USB_IFACE_PROTOCOL(UIPROTO_ACTIVESYNC)},
182 urndis_probe(device_t dev)
184 struct usb_attach_arg *uaa = device_get_ivars(dev);
186 return (usbd_lookup_id_by_uaa(urndis_host_devs, sizeof(urndis_host_devs), uaa));
190 urndis_attach_post(struct usb_ether *ue)
197 urndis_attach(device_t dev)
199 struct urndis_softc *sc = device_get_softc(dev);
200 struct usb_ether *ue = &sc->sc_ue;
201 struct usb_attach_arg *uaa = device_get_ivars(dev);
202 struct usb_cdc_cm_descriptor *cmd;
204 struct urndis_set_req hdr;
209 uint8_t iface_index[2] = { uaa->info.bIfaceIndex + 1, uaa->info.bIfaceIndex };
213 sc->sc_ue.ue_udev = uaa->device;
214 sc->sc_ifaceno_ctl = uaa->info.bIfaceNum;
216 cmd = usbd_find_descriptor(uaa->device, NULL, uaa->info.bIfaceIndex,
217 UDESC_CS_INTERFACE, 0xFF, UDESCSUB_CDC_CM, 0xFF);
219 DPRINTF("Call Mode Descriptor found, dataif=%d\n", cmd->bDataInterface);
220 iface_index[0] = cmd->bDataInterface;
223 device_set_usb_desc(dev);
225 lockinit(&sc->sc_lock, device_get_nameunit(dev), 0, LK_CANRECURSE);
227 /* scan the alternate settings looking for a valid one */
229 for (i = 0; i != 32; i++) {
231 error = usbd_set_alt_interface_index(uaa->device,
237 error = usbd_transfer_setup(uaa->device,
238 iface_index, sc->sc_xfer, urndis_config,
239 URNDIS_N_TRANSFER, sc, &sc->sc_lock);
245 if ((error != 0) || (i == 32)) {
246 device_printf(dev, "No valid alternate "
251 error = urndis_ctrl_query(sc, OID_802_3_PERMANENT_ADDRESS, &buf, &bufsz);
254 if (error != (int)RNDIS_STATUS_SUCCESS) {
255 device_printf(dev, "Unable to get hardware address\n");
258 if (bufsz != ETHER_ADDR_LEN) {
259 device_printf(dev, "Invalid address length: %d bytes\n", bufsz);
262 memcpy(&sc->sc_ue.ue_eaddr, buf, ETHER_ADDR_LEN);
264 /* Initialize packet filter */
265 sc->sc_filter = RNDIS_PACKET_TYPE_BROADCAST |
266 RNDIS_PACKET_TYPE_ALL_MULTICAST;
267 msg_filter.filter = htole32(sc->sc_filter);
270 error = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
271 &msg_filter.hdr, sizeof(msg_filter));
274 if (error != (int)RNDIS_STATUS_SUCCESS) {
275 device_printf(dev, "Unable to set data filters\n");
280 ue->ue_udev = uaa->device;
281 ue->ue_lock = &sc->sc_lock;
282 ue->ue_methods = &urndis_ue_methods;
284 error = uether_ifattach(ue);
286 device_printf(dev, "Could not attach interface\n");
291 /* start interrupt endpoint, if any */
292 usbd_transfer_start(sc->sc_xfer[URNDIS_INTR_RX]);
295 return (0); /* success */
299 return (ENXIO); /* failure */
303 urndis_detach(device_t dev)
305 struct urndis_softc *sc = device_get_softc(dev);
306 struct usb_ether *ue = &sc->sc_ue;
308 /* stop all USB transfers first */
309 usbd_transfer_unsetup(sc->sc_xfer, URNDIS_N_TRANSFER);
313 lockuninit(&sc->sc_lock);
319 urndis_start(struct usb_ether *ue)
321 struct urndis_softc *sc = uether_getsc(ue);
324 * Start the USB transfers, if not already started:
326 usbd_transfer_start(sc->sc_xfer[URNDIS_BULK_TX]);
327 usbd_transfer_start(sc->sc_xfer[URNDIS_BULK_RX]);
331 urndis_init(struct usb_ether *ue)
333 struct urndis_softc *sc = uether_getsc(ue);
334 struct ifnet *ifp = uether_getifp(ue);
336 URNDIS_LOCK_ASSERT(sc, MA_OWNED);
338 ifp->if_flags |= IFF_RUNNING;
340 urndis_ctrl_init(sc);
342 /* stall data write direction, which depends on USB mode */
343 usbd_xfer_set_stall(sc->sc_xfer[URNDIS_BULK_TX]);
345 /* start data transfers */
350 urndis_stop(struct usb_ether *ue)
352 struct urndis_softc *sc = uether_getsc(ue);
353 struct ifnet *ifp = uether_getifp(ue);
355 URNDIS_LOCK_ASSERT(sc, MA_OWNED);
357 ifp->if_flags &= ~IFF_RUNNING;
360 * stop all the transfers, if not already stopped:
362 usbd_transfer_stop(sc->sc_xfer[URNDIS_BULK_RX]);
363 usbd_transfer_stop(sc->sc_xfer[URNDIS_BULK_TX]);
367 urndis_setmulti(struct usb_ether *ue)
374 urndis_setpromisc(struct usb_ether *ue)
381 urndis_suspend(device_t dev)
383 device_printf(dev, "Suspending\n");
388 urndis_resume(device_t dev)
390 device_printf(dev, "Resuming\n");
395 urndis_ctrl_msg(struct urndis_softc *sc, uint8_t rt, uint8_t r,
396 uint16_t index, uint16_t value, void *buf, uint16_t buflen)
398 usb_device_request_t req;
400 req.bmRequestType = rt;
402 USETW(req.wValue, value);
403 USETW(req.wIndex, index);
404 USETW(req.wLength, buflen);
406 return (usbd_do_request_flags(sc->sc_ue.ue_udev,
407 &sc->sc_lock, &req, buf, (rt & UT_READ) ?
408 USB_SHORT_XFER_OK : 0, NULL, 2000 /* ms */ ));
412 urndis_ctrl_send(struct urndis_softc *sc, void *buf, uint16_t len)
416 err = urndis_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_GET_STATUS,
417 sc->sc_ifaceno_ctl, 0, buf, len);
419 DPRINTF("%s\n", usbd_errstr(err));
424 static struct urndis_comp_hdr *
425 urndis_ctrl_recv(struct urndis_softc *sc)
427 struct urndis_comp_hdr *hdr;
430 err = urndis_ctrl_msg(sc, UT_READ_CLASS_INTERFACE, UR_CLEAR_FEATURE,
431 sc->sc_ifaceno_ctl, 0, sc->sc_response_buf, RNDIS_RESPONSE_LEN);
433 if (err != USB_ERR_NORMAL_COMPLETION)
436 hdr = (struct urndis_comp_hdr *)sc->sc_response_buf;
438 DPRINTF("type 0x%x len %u\n", le32toh(hdr->rm_type),
439 le32toh(hdr->rm_len));
441 if (le32toh(hdr->rm_len) > RNDIS_RESPONSE_LEN) {
442 DPRINTF("ctrl message error: wrong size %u > %u\n",
443 le32toh(hdr->rm_len), RNDIS_RESPONSE_LEN);
450 urndis_ctrl_handle(struct urndis_softc *sc, struct urndis_comp_hdr *hdr,
451 const void **buf, uint16_t *bufsz)
457 if (buf != NULL && bufsz != NULL) {
461 switch (le32toh(hdr->rm_type)) {
462 case REMOTE_NDIS_INITIALIZE_CMPLT:
463 rval = urndis_ctrl_handle_init(sc, hdr);
466 case REMOTE_NDIS_QUERY_CMPLT:
467 rval = urndis_ctrl_handle_query(sc, hdr, buf, bufsz);
470 case REMOTE_NDIS_RESET_CMPLT:
471 rval = urndis_ctrl_handle_reset(sc, hdr);
474 case REMOTE_NDIS_KEEPALIVE_CMPLT:
475 case REMOTE_NDIS_SET_CMPLT:
476 rval = le32toh(hdr->rm_status);
480 DPRINTF("ctrl message error: unknown event 0x%x\n",
481 le32toh(hdr->rm_type));
482 rval = RNDIS_STATUS_FAILURE;
489 urndis_ctrl_handle_init(struct urndis_softc *sc,
490 const struct urndis_comp_hdr *hdr)
492 const struct urndis_init_comp *msg;
494 msg = (const struct urndis_init_comp *)hdr;
496 DPRINTF("len %u rid %u status 0x%x "
497 "ver_major %u ver_minor %u devflags 0x%x medium 0x%x pktmaxcnt %u "
498 "pktmaxsz %u align %u aflistoffset %u aflistsz %u\n",
499 le32toh(msg->rm_len),
500 le32toh(msg->rm_rid),
501 le32toh(msg->rm_status),
502 le32toh(msg->rm_ver_major),
503 le32toh(msg->rm_ver_minor),
504 le32toh(msg->rm_devflags),
505 le32toh(msg->rm_medium),
506 le32toh(msg->rm_pktmaxcnt),
507 le32toh(msg->rm_pktmaxsz),
508 le32toh(msg->rm_align),
509 le32toh(msg->rm_aflistoffset),
510 le32toh(msg->rm_aflistsz));
512 if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) {
513 DPRINTF("init failed 0x%x\n", le32toh(msg->rm_status));
514 return (le32toh(msg->rm_status));
516 if (le32toh(msg->rm_devflags) != RNDIS_DF_CONNECTIONLESS) {
517 DPRINTF("wrong device type (current type: 0x%x)\n",
518 le32toh(msg->rm_devflags));
519 return (RNDIS_STATUS_FAILURE);
521 if (le32toh(msg->rm_medium) != RNDIS_MEDIUM_802_3) {
522 DPRINTF("medium not 802.3 (current medium: 0x%x)\n",
523 le32toh(msg->rm_medium));
524 return (RNDIS_STATUS_FAILURE);
526 sc->sc_lim_pktsz = le32toh(msg->rm_pktmaxsz);
528 return (le32toh(msg->rm_status));
532 urndis_ctrl_handle_query(struct urndis_softc *sc,
533 const struct urndis_comp_hdr *hdr, const void **buf, uint16_t *bufsz)
535 const struct urndis_query_comp *msg;
538 msg = (const struct urndis_query_comp *)hdr;
540 DPRINTF("len %u rid %u status 0x%x "
541 "buflen %u bufoff %u\n",
542 le32toh(msg->rm_len),
543 le32toh(msg->rm_rid),
544 le32toh(msg->rm_status),
545 le32toh(msg->rm_infobuflen),
546 le32toh(msg->rm_infobufoffset));
548 if (buf != NULL && bufsz != NULL) {
552 if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) {
553 DPRINTF("query failed 0x%x\n", le32toh(msg->rm_status));
554 return (le32toh(msg->rm_status));
556 limit = le32toh(msg->rm_infobuflen);
557 limit += le32toh(msg->rm_infobufoffset);
558 limit += RNDIS_HEADER_OFFSET;
560 if (limit > (uint64_t)le32toh(msg->rm_len)) {
561 DPRINTF("ctrl message error: invalid query info "
562 "len/offset/end_position(%u/%u/%u) -> "
563 "go out of buffer limit %u\n",
564 le32toh(msg->rm_infobuflen),
565 le32toh(msg->rm_infobufoffset),
566 le32toh(msg->rm_infobuflen) +
567 le32toh(msg->rm_infobufoffset) + RNDIS_HEADER_OFFSET,
568 le32toh(msg->rm_len));
569 return (RNDIS_STATUS_FAILURE);
571 if (buf != NULL && bufsz != NULL) {
572 *buf = ((const uint8_t *)msg) + RNDIS_HEADER_OFFSET + le32toh(msg->rm_infobufoffset);
573 *bufsz = le32toh(msg->rm_infobuflen);
575 return (le32toh(msg->rm_status));
579 urndis_ctrl_handle_reset(struct urndis_softc *sc,
580 const struct urndis_comp_hdr *hdr)
582 const struct urndis_reset_comp *msg;
585 msg = (const struct urndis_reset_comp *)hdr;
587 rval = le32toh(msg->rm_status);
589 DPRINTF("len %u status 0x%x "
591 le32toh(msg->rm_len),
593 le32toh(msg->rm_adrreset));
595 if (rval != RNDIS_STATUS_SUCCESS) {
596 DPRINTF("reset failed 0x%x\n", rval);
599 if (msg->rm_adrreset != 0) {
601 struct urndis_set_req hdr;
605 msg_filter.filter = htole32(sc->sc_filter);
607 rval = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER,
608 &msg_filter.hdr, sizeof(msg_filter));
610 if (rval != RNDIS_STATUS_SUCCESS) {
611 DPRINTF("unable to reset data filters\n");
619 urndis_ctrl_init(struct urndis_softc *sc)
621 struct urndis_init_req msg;
622 struct urndis_comp_hdr *hdr;
625 msg.rm_type = htole32(REMOTE_NDIS_INITIALIZE_MSG);
626 msg.rm_len = htole32(sizeof(msg));
627 msg.rm_rid = htole32(0);
628 msg.rm_ver_major = htole32(1);
629 msg.rm_ver_minor = htole32(1);
630 msg.rm_max_xfersz = htole32(RNDIS_RX_MAXLEN);
632 DPRINTF("type %u len %u rid %u ver_major %u "
633 "ver_minor %u max_xfersz %u\n",
634 le32toh(msg.rm_type),
637 le32toh(msg.rm_ver_major),
638 le32toh(msg.rm_ver_minor),
639 le32toh(msg.rm_max_xfersz));
641 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
643 if (rval != RNDIS_STATUS_SUCCESS) {
644 DPRINTF("init failed\n");
647 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
648 DPRINTF("unable to get init response\n");
649 return (RNDIS_STATUS_FAILURE);
651 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL);
658 urndis_ctrl_halt(struct urndis_softc *sc)
660 struct urndis_halt_req msg;
663 msg.rm_type = htole32(REMOTE_NDIS_HALT_MSG);
664 msg.rm_len = htole32(sizeof(msg));
667 DPRINTF("type %u len %u rid %u\n",
668 le32toh(msg.rm_type),
670 le32toh(msg.rm_rid));
672 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
674 if (rval != RNDIS_STATUS_SUCCESS)
675 printf("halt failed\n");
683 urndis_ctrl_query(struct urndis_softc *sc, uint32_t oid, const void **rbuf, uint16_t *rbufsz)
685 struct urndis_query_req msg;
687 struct urndis_comp_hdr *hdr;
689 msg.rm_type = htole32(REMOTE_NDIS_QUERY_MSG);
690 msg.rm_len = htole32(sizeof(msg));
691 msg.rm_rid = 0; /* XXX */
692 msg.rm_oid = htole32(oid);
693 msg.rm_infobuflen = htole32(0);
694 msg.rm_infobufoffset = 0;
695 msg.rm_devicevchdl = 0;
697 DPRINTF("type %u len %u rid %u oid 0x%x "
698 "infobuflen %u infobufoffset %u devicevchdl %u\n",
699 le32toh(msg.rm_type),
703 le32toh(msg.rm_infobuflen),
704 le32toh(msg.rm_infobufoffset),
705 le32toh(msg.rm_devicevchdl));
707 rval = urndis_ctrl_send(sc, &msg, sizeof(msg));
709 if (rval != RNDIS_STATUS_SUCCESS) {
710 DPRINTF("query failed\n");
713 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
714 DPRINTF("unable to get query response\n");
715 return (RNDIS_STATUS_FAILURE);
717 rval = urndis_ctrl_handle(sc, hdr, rbuf, rbufsz);
723 urndis_ctrl_set(struct urndis_softc *sc, uint32_t oid, struct urndis_set_req *msg, uint16_t len)
725 struct urndis_comp_hdr *hdr;
727 uint32_t datalen = len - sizeof(*msg);
729 msg->rm_type = htole32(REMOTE_NDIS_SET_MSG);
730 msg->rm_len = htole32(len);
731 msg->rm_rid = 0; /* XXX */
732 msg->rm_oid = htole32(oid);
733 msg->rm_infobuflen = htole32(datalen);
735 msg->rm_infobufoffset = htole32(sizeof(*msg) - RNDIS_HEADER_OFFSET);
737 msg->rm_infobufoffset = 0;
739 msg->rm_devicevchdl = 0;
741 DPRINTF("type %u len %u rid %u oid 0x%x "
742 "infobuflen %u infobufoffset %u devicevchdl %u\n",
743 le32toh(msg->rm_type),
744 le32toh(msg->rm_len),
745 le32toh(msg->rm_rid),
746 le32toh(msg->rm_oid),
747 le32toh(msg->rm_infobuflen),
748 le32toh(msg->rm_infobufoffset),
749 le32toh(msg->rm_devicevchdl));
751 rval = urndis_ctrl_send(sc, msg, len);
753 if (rval != RNDIS_STATUS_SUCCESS) {
754 DPRINTF("set failed\n");
757 if ((hdr = urndis_ctrl_recv(sc)) == NULL) {
758 DPRINTF("unable to get set response\n");
759 return (RNDIS_STATUS_FAILURE);
761 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL);
762 if (rval != RNDIS_STATUS_SUCCESS)
763 DPRINTF("set failed 0x%x\n", rval);
769 urndis_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
771 struct urndis_softc *sc = usbd_xfer_softc(xfer);
772 struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, 0);
773 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
774 struct urndis_packet_msg msg;
780 switch (USB_GET_STATE(xfer)) {
781 case USB_ST_TRANSFERRED:
783 usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
785 DPRINTFN(1, "received %u bytes in %u frames\n", actlen, aframes);
787 for (offset = 0; actlen >= (uint32_t)sizeof(msg);) {
789 /* copy out header */
790 usbd_copy_out(pc, offset, &msg, sizeof(msg));
792 if (le32toh(0x1234567U) != 0x1234567U) {
793 /* swap endianness */
794 msg.rm_type = le32toh(msg.rm_type);
795 msg.rm_len = le32toh(msg.rm_len);
796 msg.rm_dataoffset = le32toh(msg.rm_dataoffset);
797 msg.rm_datalen = le32toh(msg.rm_datalen);
798 msg.rm_oobdataoffset = le32toh(msg.rm_oobdataoffset);
799 msg.rm_oobdatalen = le32toh(msg.rm_oobdatalen);
800 msg.rm_oobdataelements = le32toh(msg.rm_oobdataelements);
801 msg.rm_pktinfooffset = le32toh(msg.rm_pktinfooffset);
802 msg.rm_pktinfolen = le32toh(msg.rm_pktinfolen);
803 msg.rm_vchandle = le32toh(msg.rm_vchandle);
804 msg.rm_reserved = le32toh(msg.rm_reserved);
807 DPRINTF("len %u data(off:%u len:%u) "
808 "oobdata(off:%u len:%u nb:%u) perpacket(off:%u len:%u)\n",
809 msg.rm_len, msg.rm_dataoffset, msg.rm_datalen,
810 msg.rm_oobdataoffset, msg.rm_oobdatalen,
811 msg.rm_oobdataelements, msg.rm_pktinfooffset,
812 msg.rm_pktinfooffset);
814 /* sanity check the RNDIS header */
815 if (msg.rm_type != REMOTE_NDIS_PACKET_MSG) {
816 DPRINTF("invalid type 0x%x != 0x%x\n",
817 msg.rm_type, REMOTE_NDIS_PACKET_MSG);
819 } else if (msg.rm_len < (uint32_t)sizeof(msg)) {
820 DPRINTF("invalid msg len %u < %u\n",
821 msg.rm_len, (unsigned)sizeof(msg));
823 } else if (msg.rm_len > (uint32_t)actlen) {
824 DPRINTF("invalid msg len %u > buffer "
825 "len %u\n", msg.rm_len, actlen);
827 } else if (msg.rm_dataoffset >= (uint32_t)actlen) {
828 DPRINTF("invalid msg dataoffset %u > buffer "
829 "dataoffset %u\n", msg.rm_dataoffset, actlen);
831 } else if (msg.rm_datalen > (uint32_t)actlen) {
832 DPRINTF("invalid msg datalen %u > buffer "
833 "datalen %u\n", msg.rm_datalen, actlen);
835 } else if ((msg.rm_dataoffset + msg.rm_datalen +
836 (uint32_t)__offsetof(struct urndis_packet_msg,
837 rm_dataoffset)) > (uint32_t)actlen) {
838 DPRINTF("invalid dataoffset %u larger than %u\n",
839 msg.rm_dataoffset + msg.rm_datalen +
840 (uint32_t)__offsetof(struct urndis_packet_msg,
841 rm_dataoffset), actlen);
843 } else if (msg.rm_datalen < (uint32_t)sizeof(struct ether_header)) {
845 DPRINTF("invalid ethernet size "
846 "%u < %u\n", msg.rm_datalen, (unsigned)sizeof(struct ether_header));
848 } else if (msg.rm_datalen > (uint32_t)MCLBYTES) {
850 DPRINTF("invalid ethernet size "
852 msg.rm_datalen, (unsigned)MCLBYTES);
854 } else if (msg.rm_datalen > (uint32_t)(MHLEN - ETHER_ALIGN)) {
855 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
857 m = m_gethdr(M_NOWAIT, MT_DATA);
860 /* check if we have a buffer */
862 m_adj(m, ETHER_ALIGN);
864 usbd_copy_out(pc, offset + msg.rm_dataoffset +
865 __offsetof(struct urndis_packet_msg,
866 rm_dataoffset), m->m_data, msg.rm_datalen);
869 uether_rxmbuf(&sc->sc_ue, m, msg.rm_datalen);
873 offset += msg.rm_len;
874 actlen -= msg.rm_len;
879 usbd_xfer_set_frame_len(xfer, 0, RNDIS_RX_MAXLEN);
880 usbd_xfer_set_frames(xfer, 1);
881 usbd_transfer_submit(xfer);
882 uether_rxflush(&sc->sc_ue); /* must be last */
886 DPRINTFN(1, "error = %s\n", usbd_errstr(error));
888 if (error != USB_ERR_CANCELLED) {
889 /* try to clear stall first */
890 usbd_xfer_set_stall(xfer);
891 usbd_xfer_set_frames(xfer, 0);
892 usbd_transfer_submit(xfer);
899 urndis_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
901 struct urndis_packet_msg msg;
902 struct urndis_softc *sc = usbd_xfer_softc(xfer);
903 struct ifnet *ifp = uether_getifp(&sc->sc_ue);
909 usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
913 switch (USB_GET_STATE(xfer)) {
914 case USB_ST_TRANSFERRED:
915 DPRINTFN(11, "%u bytes in %u frames\n", actlen, aframes);
922 memset(&msg, 0, sizeof(msg));
924 for (x = 0; x != RNDIS_TX_FRAMES_MAX; x++) {
925 struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, x);
927 usbd_xfer_set_frame_offset(xfer, x * RNDIS_TX_MAXLEN, x);
930 m = ifq_dequeue(&ifp->if_snd);
935 if ((m->m_pkthdr.len + sizeof(msg)) > RNDIS_TX_MAXLEN) {
936 DPRINTF("Too big packet\n");
943 msg.rm_type = htole32(REMOTE_NDIS_PACKET_MSG);
944 msg.rm_len = htole32(sizeof(msg) + m->m_pkthdr.len);
946 msg.rm_dataoffset = htole32(RNDIS_DATA_OFFSET);
947 msg.rm_datalen = htole32(m->m_pkthdr.len);
949 /* copy in all data */
950 usbd_copy_in(pc, 0, &msg, sizeof(msg));
951 usbd_m_copy_in(pc, sizeof(msg), m, 0, m->m_pkthdr.len);
952 usbd_xfer_set_frame_len(xfer, x, sizeof(msg) + m->m_pkthdr.len);
955 * If there's a BPF listener, bounce a copy of
964 usbd_xfer_set_frames(xfer, x);
965 usbd_transfer_submit(xfer);
970 DPRINTFN(11, "transfer error, %s\n", usbd_errstr(error));
972 /* count output errors */
975 if (error != USB_ERR_CANCELLED) {
976 /* try to clear stall first */
977 usbd_xfer_set_stall(xfer);
985 urndis_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
989 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
991 switch (USB_GET_STATE(xfer)) {
992 case USB_ST_TRANSFERRED:
994 DPRINTF("Received %d bytes\n", actlen);
996 /* TODO: decode some indications */
1001 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
1002 usbd_transfer_submit(xfer);
1005 default: /* Error */
1006 if (error != USB_ERR_CANCELLED) {
1007 /* start clear stall */
1008 usbd_xfer_set_stall(xfer);