static void
uhid_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhid_softc *sc = usbd_xfer_softc(xfer);
struct usb_device_request req;
struct usb_page_cache *pc;
uint32_t size = sc->sc_osize;
uint32_t actlen;
uint8_t id;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
case USB_ST_SETUP:
/* try to extract the ID byte */
if (sc->sc_oid) {
pc = usbd_xfer_get_frame(xfer, 0);
if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
0, 1, &actlen, 0)) {
if (actlen != 1) {
goto tr_error;
}
usbd_copy_out(pc, 0, &id, 1);
} else {
return;
}
if (size) {
size--;
}
} else {
id = 0;
}
pc = usbd_xfer_get_frame(xfer, 1);
if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
0, UHID_BSIZE, &actlen, 1)) {
if (actlen != size) {
goto tr_error;
}
uhid_fill_set_report
(&req, sc->sc_iface_no,
UHID_OUTPUT_REPORT, id, size);
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, size);
usbd_xfer_set_frames(xfer, size ? 2 : 1);
usbd_transfer_submit(xfer);
}
return;
default:
tr_error:
/* bomb out */
usb_fifo_get_data_error(sc->sc_fifo.fp[USB_FIFO_TX]);
return;
}
}
static void
uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
struct usb_device_request req;
struct uhso_tty *ht;
int actlen, len;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer));
ht = usbd_xfer_get_priv(xfer);
UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/* Got data, send to ucom */
pc = usbd_xfer_get_frame(xfer, 1);
len = usbd_xfer_frame_len(xfer, 1);
UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len,
ht->ht_muxport);
if (len <= 0) {
usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]);
break;
}
/* Deliver data if the TTY is open, discard otherwise */
if (ht->ht_open)
ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
memset(&req, 0, sizeof(struct usb_device_request));
req.bmRequestType = UT_READ_CLASS_INTERFACE;
req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
USETW(req.wValue, 0);
USETW(req.wIndex, ht->ht_muxport);
USETW(req.wLength, 1024);
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, 1024);
usbd_xfer_set_frames(xfer, 2);
usbd_transfer_submit(xfer);
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
static void
uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct uhso_tty *ht;
struct usb_page_cache *pc;
struct usb_device_request req;
int actlen;
struct usb_page_search res;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
ht = usbd_xfer_get_priv(xfer);
UHSO_DPRINTF(3, "status=%d, using mux port %d\n",
USB_GET_STATE(xfer), ht->ht_muxport);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n",
actlen - sizeof(struct usb_device_request) ,
ht->ht_muxport);
/* FALLTHROUGH */
case USB_ST_SETUP:
pc = usbd_xfer_get_frame(xfer, 1);
if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc,
0, 32, &actlen)) {
usbd_get_page(pc, 0, &res);
memset(&req, 0, sizeof(struct usb_device_request));
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
USETW(req.wValue, 0);
USETW(req.wIndex, ht->ht_muxport);
USETW(req.wLength, actlen);
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, actlen);
usbd_xfer_set_frames(xfer, 2);
UHSO_DPRINTF(3, "Prepared %d bytes for transmit "
"on muxport %d\n", actlen, ht->ht_muxport);
usbd_transfer_submit(xfer);
}
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
break;
}
}
static void
cdce_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTF("Transferred %d bytes\n", actlen);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
#if 0
usbd_xfer_set_frame_len(xfer, 0, XXX);
usbd_transfer_submit(xfer);
#endif
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
/* start clear stall */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
case USB_ST_SETUP:
tr_setup:
pc = usbd_xfer_get_frame(xfer, 0);
if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) {
usbd_xfer_set_frame_len(xfer, 0, actlen);
usbd_transfer_submit(xfer);
}
break;
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
static void
ubt_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ubt_softc *sc = usbd_xfer_softc(xfer);
int n;
int actlen, nframes;
usbd_xfer_status(xfer, &actlen, NULL, NULL, &nframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
for (n = 0; n < nframes; n ++)
if (ubt_isoc_read_one_frame(xfer, n) < 0)
break;
/* FALLTHROUGH */
case USB_ST_SETUP:
read_next:
for (n = 0; n < nframes; n ++)
usbd_xfer_set_frame_len(xfer, n,
usbd_xfer_max_framelen(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
UBT_STAT_IERROR(sc);
goto read_next;
}
/* transfer cancelled */
break;
}
} /* ubt_isoc_read_callback */
static void
cdce_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTF("Received %d bytes\n", actlen);
/* TODO: decode some indications */
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
/* start clear stall */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_page_cache *pc;
struct {
struct usb_device_request req;
uint16_t param;
} st;
uint32_t actlen;
uint16_t param;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(4, "info received, actlen=%u\n", actlen);
if (actlen < sizeof(st)) {
DPRINTF("data too short actlen=%u\n", actlen);
goto tr_setup;
}
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_out(pc, 0, &st, sizeof(st));
if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) {
struct ucom_softc *ucom = usbd_xfer_softc(xfer);
struct usie_softc *sc = ucom->sc_parent;
param = le16toh(st.param);
DPRINTF("param=%x\n", param);
sc->sc_msr = sc->sc_lsr = 0;
sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0;
sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0;
sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0;
sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS;
sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0;
sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0;
}
/* fall though */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
DPRINTF("USB transfer error, %s\n",
usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ucom_softc *ucom = usbd_xfer_softc(xfer);
struct usie_softc *sc = ucom->sc_parent;
struct usb_page_cache *pc;
uint32_t actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
pc = usbd_xfer_get_frame(xfer, 0);
/* handle CnS response */
if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) {
DPRINTF("transferred=%u\n", actlen);
/* check if it is really CnS reply */
usbd_copy_out(pc, 0, sc->sc_resp_temp, 1);
if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) {
/* verify actlen */
if (actlen > USIE_BUFSIZE)
actlen = USIE_BUFSIZE;
/* get complete message */
usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen);
usie_hip_rsp(sc, sc->sc_resp_temp, actlen);
/* need to fall though */
goto tr_setup;
}
/* else call ucom_put_data() */
}
/* standard ucom transfer */
ucom_put_data(ucom, pc, 0, actlen);
/* fall though */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
/*------------------------------------------------------------------------*
* usb_handle_request_callback
*
* This function is the USB callback for generic USB Device control
* transfers.
*------------------------------------------------------------------------*/
void
usb_handle_request_callback(struct usb_xfer *xfer, usb_error_t error)
{
usb_error_t err;
/* check the current transfer state */
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
case USB_ST_TRANSFERRED:
/* handle the request */
err = usb_handle_request(xfer);
if (err) {
if (err == USB_ERR_BAD_CONTEXT) {
/* we need to re-setup the control transfer */
usb_needs_explore(xfer->xroot->bus, 0);
break;
}
goto tr_restart;
}
usbd_transfer_submit(xfer);
break;
default:
/* check if a control transfer is active */
if (xfer->flags_int.control_rem != 0xFFFF) {
/* handle the request */
err = usb_handle_request(xfer);
}
if (xfer->error != USB_ERR_CANCELLED) {
/* should not happen - try stalling */
goto tr_restart;
}
break;
}
return;
tr_restart:
/*
* If a control transfer is active, stall it, and wait for the
* next control transfer.
*/
usbd_xfer_set_frame_len(xfer, 0, sizeof(struct usb_device_request));
xfer->nframes = 1;
xfer->flags.manual_status = 1;
xfer->flags.force_short_xfer = 0;
usbd_xfer_set_stall(xfer); /* cancel previous transfer, if any */
usbd_transfer_submit(xfer);
}
static void
usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ucom_softc *ucom = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
uint32_t actlen;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
case USB_ST_SETUP:
tr_setup:
pc = usbd_xfer_get_frame(xfer, 0);
/* handle CnS request */
struct mbuf *m = usbd_xfer_get_priv(xfer);
if (m != NULL) {
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
usbd_xfer_set_priv(xfer, NULL);
usbd_transfer_submit(xfer);
m_freem(m);
break;
}
/* standard ucom transfer */
if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) {
usbd_xfer_set_frame_len(xfer, 0, actlen);
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_fifo *f = usbd_xfer_softc(xfer);
usb_frlength_t actlen;
usb_frlength_t offset;
usb_frcount_t n;
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
case USB_ST_SETUP:
tr_setup:
offset = 0;
for (n = 0; n != xfer->nframes; n++) {
if (usb_fifo_get_data(f, xfer->frbuffers, offset,
xfer->max_frame_size, &actlen, 1)) {
usbd_xfer_set_frame_len(xfer, n, actlen);
offset += actlen;
} else {
break;
}
}
for (; n != xfer->nframes; n++) {
/* fill in zero frames */
usbd_xfer_set_frame_len(xfer, n, 0);
}
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (xfer->error == USB_ERR_CANCELLED) {
break;
}
goto tr_setup;
}
}
static void
ugen_default_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_fifo *f = usbd_xfer_softc(xfer);
struct usb_mbuf *m;
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
if (xfer->actlen == 0) {
if (f->fifo_zlp != 4) {
f->fifo_zlp++;
} else {
/*
* Throttle a little bit we have multiple ZLPs
* in a row!
*/
xfer->interval = 64; /* ms */
}
} else {
/* clear throttle */
xfer->interval = 0;
f->fifo_zlp = 0;
}
usb_fifo_put_data(f, xfer->frbuffers, 0,
xfer->actlen, 1);
case USB_ST_SETUP:
if (f->flag_stall) {
usbd_transfer_start(f->xfer[1]);
break;
}
USB_IF_POLL(&f->free_q, m);
if (m) {
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
if (xfer->error != USB_ERR_CANCELLED) {
/* send a zero length packet to userland */
usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1);
f->flag_stall = 1;
f->fifo_zlp = 0;
usbd_transfer_start(f->xfer[1]);
}
break;
}
}
static void
uhid_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhid_softc *sc = usbd_xfer_softc(xfer);
struct usb_device_request req;
struct usb_page_cache *pc;
pc = usbd_xfer_get_frame(xfer, 0);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
usb_fifo_put_data(sc->sc_fifo.fp[USB_FIFO_RX], pc, sizeof(req),
sc->sc_isize, 1);
return;
case USB_ST_SETUP:
if (usb_fifo_put_bytes_max(sc->sc_fifo.fp[USB_FIFO_RX]) > 0) {
uhid_fill_get_report
(&req, sc->sc_iface_no, UHID_INPUT_REPORT,
sc->sc_iid, sc->sc_isize);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, sc->sc_isize);
usbd_xfer_set_frames(xfer, sc->sc_isize ? 2 : 1);
usbd_transfer_submit(xfer);
}
return;
default: /* Error */
/* bomb out */
usb_fifo_put_data_error(sc->sc_fifo.fp[USB_FIFO_RX]);
return;
}
}
/*
* Interrupt callback for the multiplexed serial port. Indicates
* which serial port has data waiting.
*/
static void
uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_page_cache *pc;
struct usb_page_search res;
struct uhso_softc *sc = usbd_xfer_softc(xfer);
unsigned int i, mux;
UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer));
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/*
* The multiplexed port number can be found at the first byte.
* It contains a bit mask, we transform this in to an integer.
*/
pc = usbd_xfer_get_frame(xfer, 0);
usbd_get_page(pc, 0, &res);
i = *((unsigned char *)res.buffer);
mux = 0;
while (i >>= 1) {
mux++;
}
UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i);
if (mux > UHSO_MPORT_TYPE_NOMAX)
break;
/* Issue a read for this serial port */
usbd_xfer_set_priv(
sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ],
&sc->sc_tty[mux]);
usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]);
break;
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
}
static void
usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usie_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
struct usb_cdc_notification cdc;
uint32_t actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(4, "info received, actlen=%d\n", actlen);
/* usb_cdc_notification - .data[16] */
if (actlen < (sizeof(cdc) - 16)) {
DPRINTF("data too short %d\n", actlen);
goto tr_setup;
}
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16));
DPRINTFN(4, "bNotification=%x\n", cdc.bNotification);
if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) {
taskqueue_enqueue(taskqueue_thread,
&sc->sc_if_status_task);
}
/* fall though */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
DPRINTF("USB transfer error, %s\n",
usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct uhso_softc *sc = usbd_xfer_softc(xfer);
struct mbuf *m;
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) {
pc = usbd_xfer_get_frame(xfer, 0);
m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen);
m->m_pkthdr.len = m->m_len = actlen;
/* Enqueue frame for further processing */
_IF_ENQUEUE(&sc->sc_rxq, m);
if (!callout_pending(&sc->sc_c) ||
!callout_active(&sc->sc_c)) {
callout_schedule(&sc->sc_c, 1);
}
}
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default:
UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
if (error == USB_ERR_CANCELLED)
break;
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
static void
ugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_fifo *f = usbd_xfer_softc(xfer);
usb_frlength_t offset;
usb_frcount_t n;
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(6, "actlen=%d\n", xfer->actlen);
offset = 0;
for (n = 0; n != xfer->aframes; n++) {
usb_fifo_put_data(f, xfer->frbuffers, offset,
xfer->frlengths[n], 1);
offset += xfer->max_frame_size;
}
case USB_ST_SETUP:
tr_setup:
for (n = 0; n != xfer->nframes; n++) {
/* setup size for next transfer */
usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size);
}
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (xfer->error == USB_ERR_CANCELLED) {
break;
}
goto tr_setup;
}
}
static void
ugen_default_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usb_fifo *f = usbd_xfer_softc(xfer);
usb_frlength_t actlen;
DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
case USB_ST_TRANSFERRED:
/*
* If writing is in stall, just jump to clear stall
* callback and solve the situation.
*/
if (f->flag_stall) {
usbd_transfer_start(f->xfer[1]);
break;
}
/*
* Write data, setup and perform hardware transfer.
*/
if (usb_fifo_get_data(f, xfer->frbuffers, 0,
xfer->max_data_length, &actlen, 0)) {
usbd_xfer_set_frame_len(xfer, 0, actlen);
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
if (xfer->error != USB_ERR_CANCELLED) {
f->flag_stall = 1;
usbd_transfer_start(f->xfer[1]);
}
break;
}
}
static void
cdce_ncm_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct cdce_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, 0);
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
struct mbuf *m;
int sumdata;
int sumlen;
int actlen;
int aframes;
int temp;
int nframes;
int x;
int offset;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
usbd_xfer_status(xfer, &actlen, &sumlen, &aframes, NULL);
DPRINTFN(1, "received %u bytes in %u frames\n",
actlen, aframes);
if (actlen < (sizeof(sc->sc_ncm.hdr) +
sizeof(sc->sc_ncm.dpt))) {
DPRINTFN(1, "frame too short\n");
goto tr_setup;
}
usbd_copy_out(pc, 0, &(sc->sc_ncm.hdr),
sizeof(sc->sc_ncm.hdr));
if ((sc->sc_ncm.hdr.dwSignature[0] != 'N') ||
(sc->sc_ncm.hdr.dwSignature[1] != 'C') ||
(sc->sc_ncm.hdr.dwSignature[2] != 'M') ||
(sc->sc_ncm.hdr.dwSignature[3] != 'H')) {
DPRINTFN(1, "invalid HDR signature: "
"0x%02x:0x%02x:0x%02x:0x%02x\n",
sc->sc_ncm.hdr.dwSignature[0],
sc->sc_ncm.hdr.dwSignature[1],
sc->sc_ncm.hdr.dwSignature[2],
sc->sc_ncm.hdr.dwSignature[3]);
goto tr_stall;
}
temp = UGETW(sc->sc_ncm.hdr.wBlockLength);
if (temp > sumlen) {
DPRINTFN(1, "unsupported block length %u/%u\n",
temp, sumlen);
goto tr_stall;
}
temp = UGETW(sc->sc_ncm.hdr.wDptIndex);
if ((temp + sizeof(sc->sc_ncm.dpt)) > actlen) {
DPRINTFN(1, "invalid DPT index: 0x%04x\n", temp);
goto tr_stall;
}
usbd_copy_out(pc, temp, &(sc->sc_ncm.dpt),
sizeof(sc->sc_ncm.dpt));
if ((sc->sc_ncm.dpt.dwSignature[0] != 'N') ||
(sc->sc_ncm.dpt.dwSignature[1] != 'C') ||
(sc->sc_ncm.dpt.dwSignature[2] != 'M') ||
(sc->sc_ncm.dpt.dwSignature[3] != '0')) {
DPRINTFN(1, "invalid DPT signature"
"0x%02x:0x%02x:0x%02x:0x%02x\n",
sc->sc_ncm.dpt.dwSignature[0],
sc->sc_ncm.dpt.dwSignature[1],
sc->sc_ncm.dpt.dwSignature[2],
sc->sc_ncm.dpt.dwSignature[3]);
goto tr_stall;
}
nframes = UGETW(sc->sc_ncm.dpt.wLength) / 4;
/* Subtract size of header and last zero padded entry */
if (nframes >= (2 + 1))
nframes -= (2 + 1);
else
nframes = 0;
DPRINTFN(1, "nframes = %u\n", nframes);
temp += sizeof(sc->sc_ncm.dpt);
if ((temp + (4 * nframes)) > actlen)
goto tr_stall;
if (nframes > CDCE_NCM_SUBFRAMES_MAX) {
DPRINTFN(1, "Truncating number of frames from %u to %u\n",
nframes, CDCE_NCM_SUBFRAMES_MAX);
nframes = CDCE_NCM_SUBFRAMES_MAX;
}
usbd_copy_out(pc, temp, &(sc->sc_ncm.dp), (4 * nframes));
sumdata = 0;
for (x = 0; x != nframes; x++) {
offset = UGETW(sc->sc_ncm.dp[x].wFrameIndex);
temp = UGETW(sc->sc_ncm.dp[x].wFrameLength);
if ((offset == 0) ||
(temp < sizeof(struct ether_header)) ||
(temp > (MCLBYTES - ETHER_ALIGN))) {
DPRINTFN(1, "NULL frame detected at %d\n", x);
m = NULL;
/* silently ignore this frame */
continue;
} else if ((offset + temp) > actlen) {
DPRINTFN(1, "invalid frame "
"detected at %d\n", x);
m = NULL;
/* silently ignore this frame */
continue;
} else if (temp > (MHLEN - ETHER_ALIGN)) {
m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
} else {
m = m_gethdr(M_DONTWAIT, MT_DATA);
}
DPRINTFN(16, "frame %u, offset = %u, length = %u \n",
x, offset, temp);
/* check if we have a buffer */
if (m) {
m_adj(m, ETHER_ALIGN);
usbd_copy_out(pc, offset, m->m_data, temp);
/* enqueue */
uether_rxmbuf(&sc->sc_ue, m, temp);
sumdata += temp;
} else {
ifp->if_ierrors++;
}
}
DPRINTFN(1, "Efficiency: %u/%u bytes\n", sumdata, actlen);
case USB_ST_SETUP:
tr_setup:
usbd_xfer_set_frame_len(xfer, 0, sc->sc_ncm.rx_max);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
uether_rxflush(&sc->sc_ue); /* must be last */
break;
default: /* Error */
DPRINTFN(1, "error = %s\n",
usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
tr_stall:
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
usbd_xfer_set_frames(xfer, 0);
usbd_transfer_submit(xfer);
}
break;
}
}
static int
ugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index)
{
struct usb_device_request *req;
struct usb_xfer *xfer;
struct usb_fs_endpoint fs_ep;
void *uaddr; /* userland pointer */
void *kaddr;
usb_frlength_t offset;
usb_frlength_t rem;
usb_frcount_t n;
uint32_t length;
int error;
uint8_t isread;
if (ep_index >= f->fs_ep_max) {
return (EINVAL);
}
xfer = f->fs_xfer[ep_index];
if (xfer == NULL) {
return (EINVAL);
}
mtx_lock(f->priv_mtx);
if (usbd_transfer_pending(xfer)) {
mtx_unlock(f->priv_mtx);
return (EBUSY); /* should not happen */
}
mtx_unlock(f->priv_mtx);
error = copyin(f->fs_ep_ptr +
ep_index, &fs_ep, sizeof(fs_ep));
if (error) {
return (error);
}
/* security checks */
if (fs_ep.nFrames > xfer->max_frame_count) {
xfer->error = USB_ERR_INVAL;
goto complete;
}
if (fs_ep.nFrames == 0) {
xfer->error = USB_ERR_INVAL;
goto complete;
}
error = copyin(fs_ep.ppBuffer,
&uaddr, sizeof(uaddr));
if (error) {
return (error);
}
/* reset first frame */
usbd_xfer_set_frame_offset(xfer, 0, 0);
if (xfer->flags_int.control_xfr) {
req = xfer->frbuffers[0].buffer;
error = copyin(fs_ep.pLength,
&length, sizeof(length));
if (error) {
return (error);
}
if (length != sizeof(*req)) {
xfer->error = USB_ERR_INVAL;
goto complete;
}
if (length != 0) {
error = copyin(uaddr, req, length);
if (error) {
return (error);
}
}
if (ugen_check_request(f->udev, req)) {
xfer->error = USB_ERR_INVAL;
goto complete;
}
usbd_xfer_set_frame_len(xfer, 0, length);
/* Host mode only ! */
if ((req->bmRequestType &
(UT_READ | UT_WRITE)) == UT_READ) {
isread = 1;
} else {
isread = 0;
}
n = 1;
offset = sizeof(*req);
} else {
/* Device and Host mode */
if (USB_GET_DATA_ISREAD(xfer)) {
isread = 1;
} else {
isread = 0;
}
n = 0;
offset = 0;
}
rem = usbd_xfer_max_len(xfer);
xfer->nframes = fs_ep.nFrames;
xfer->timeout = fs_ep.timeout;
if (xfer->timeout > 65535) {
xfer->timeout = 65535;
}
if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK)
xfer->flags.short_xfer_ok = 1;
else
xfer->flags.short_xfer_ok = 0;
if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK)
xfer->flags.short_frames_ok = 1;
else
xfer->flags.short_frames_ok = 0;
if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT)
xfer->flags.force_short_xfer = 1;
else
xfer->flags.force_short_xfer = 0;
if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL)
usbd_xfer_set_stall(xfer);
else
xfer->flags.stall_pipe = 0;
for (; n != xfer->nframes; n++) {
error = copyin(fs_ep.pLength + n,
&length, sizeof(length));
if (error) {
break;
}
usbd_xfer_set_frame_len(xfer, n, length);
if (length > rem) {
xfer->error = USB_ERR_INVAL;
goto complete;
}
rem -= length;
if (!isread) {
/* we need to know the source buffer */
error = copyin(fs_ep.ppBuffer + n,
&uaddr, sizeof(uaddr));
if (error) {
break;
}
if (xfer->flags_int.isochronous_xfr) {
/* get kernel buffer address */
kaddr = xfer->frbuffers[0].buffer;
kaddr = USB_ADD_BYTES(kaddr, offset);
} else {
/* set current frame offset */
usbd_xfer_set_frame_offset(xfer, offset, n);
/* get kernel buffer address */
kaddr = xfer->frbuffers[n].buffer;
}
/* move data */
error = copyin(uaddr, kaddr, length);
if (error) {
break;
}
}
offset += length;
}
return (error);
complete:
mtx_lock(f->priv_mtx);
ugen_fs_set_complete(f, ep_index);
mtx_unlock(f->priv_mtx);
return (0);
}
static void
usbd_non_isoc_callback(struct usb_xfer *xfer, usb_error_t error)
{
irp *ip;
struct ndis_softc *sc = usbd_xfer_softc(xfer);
struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer);
struct ndisusb_xfer *nx;
struct usbd_urb_bulk_or_intr_transfer *ubi;
struct usb_page_cache *pc;
uint8_t irql;
uint32_t len;
union usbd_urb *urb;
usb_endpoint_descriptor_t *ep;
int actlen, sumlen;
usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
nx = usbd_aq_getfirst(sc, ne);
pc = usbd_xfer_get_frame(xfer, 0);
if (nx == NULL)
return;
/* copy in data with regard to the URB */
if (ne->ne_dirin != 0)
usbd_copy_out(pc, 0, nx->nx_urbbuf, actlen);
nx->nx_urbbuf += actlen;
nx->nx_urbactlen += actlen;
nx->nx_urblen -= actlen;
/* check for short transfer */
if (actlen < sumlen)
nx->nx_urblen = 0;
else {
/* check remainder */
if (nx->nx_urblen > 0) {
KeAcquireSpinLock(&ne->ne_lock, &irql);
InsertHeadList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
ubi = &urb->uu_bulkintr;
ep = ubi->ubi_epdesc;
goto extra;
}
}
usbd_xfer_complete(sc, ne, nx,
((actlen < sumlen) && (nx->nx_shortxfer == 0)) ?
USB_ERR_SHORT_XFER : USB_ERR_NORMAL_COMPLETION);
/* fall through */
case USB_ST_SETUP:
next:
/* get next transfer */
KeAcquireSpinLock(&ne->ne_lock, &irql);
if (IsListEmpty(&ne->ne_pending)) {
KeReleaseSpinLock(&ne->ne_lock, irql);
return;
}
nx = CONTAINING_RECORD(ne->ne_pending.nle_flink,
struct ndisusb_xfer, nx_next);
RemoveEntryList(&nx->nx_next);
/* add a entry to the active queue's tail. */
InsertTailList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
ubi = &urb->uu_bulkintr;
ep = ubi->ubi_epdesc;
nx->nx_urbbuf = ubi->ubi_trans_buf;
nx->nx_urbactlen = 0;
nx->nx_urblen = ubi->ubi_trans_buflen;
nx->nx_shortxfer = (ubi->ubi_trans_flags &
USBD_SHORT_TRANSFER_OK) ? 1 : 0;
extra:
len = MIN(usbd_xfer_max_len(xfer), nx->nx_urblen);
pc = usbd_xfer_get_frame(xfer, 0);
if (UE_GET_DIR(ep->bEndpointAddress) == UE_DIR_OUT)
usbd_copy_in(pc, 0, nx->nx_urbbuf, len);
usbd_xfer_set_frame_len(xfer, 0, len);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
break;
default:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
device_printf(sc->ndis_dev, "usb xfer warning (%s)\n",
usbd_errstr(error));
}
usbd_xfer_complete(sc, ne, nx, error);
if (error != USB_ERR_CANCELLED)
goto next;
break;
}
}
/*------------------------------------------------------------------------*
* usb_handle_request
*
* Internal state sequence:
*
* USB_HR_NOT_COMPLETE -> USB_HR_COMPLETE_OK v USB_HR_COMPLETE_ERR
*
* Returns:
* 0: Ready to start hardware
* Else: Stall current transfer, if any
*------------------------------------------------------------------------*/
static usb_error_t
usb_handle_request(struct usb_xfer *xfer)
{
struct usb_device_request req;
struct usb_device *udev;
const void *src_zcopy; /* zero-copy source pointer */
const void *src_mcopy; /* non zero-copy source pointer */
uint16_t off; /* data offset */
uint16_t rem; /* data remainder */
uint16_t max_len; /* max fragment length */
uint16_t wValue;
uint16_t wIndex;
uint8_t state;
uint8_t is_complete = 1;
usb_error_t err;
union {
uWord wStatus;
uint8_t buf[2];
} temp;
/*
* Filter the USB transfer state into
* something which we understand:
*/
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
state = USB_HR_NOT_COMPLETE;
if (!xfer->flags_int.control_act) {
/* nothing to do */
goto tr_stalled;
}
break;
case USB_ST_TRANSFERRED:
if (!xfer->flags_int.control_act) {
state = USB_HR_COMPLETE_OK;
} else {
state = USB_HR_NOT_COMPLETE;
}
break;
default:
state = USB_HR_COMPLETE_ERR;
break;
}
/* reset frame stuff */
usbd_xfer_set_frame_len(xfer, 0, 0);
usbd_xfer_set_frame_offset(xfer, 0, 0);
usbd_xfer_set_frame_offset(xfer, sizeof(req), 1);
/* get the current request, if any */
usbd_copy_out(xfer->frbuffers, 0, &req, sizeof(req));
if (xfer->flags_int.control_rem == 0xFFFF) {
/* first time - not initialised */
rem = UGETW(req.wLength);
off = 0;
} else {
/* not first time - initialised */
rem = xfer->flags_int.control_rem;
off = UGETW(req.wLength) - rem;
}
/* set some defaults */
max_len = 0;
src_zcopy = NULL;
src_mcopy = NULL;
udev = xfer->xroot->udev;
/* get some request fields decoded */
wValue = UGETW(req.wValue);
wIndex = UGETW(req.wIndex);
DPRINTF("req 0x%02x 0x%02x 0x%04x 0x%04x "
"off=0x%x rem=0x%x, state=%d\n", req.bmRequestType,
req.bRequest, wValue, wIndex, off, rem, state);
/* demultiplex the control request */
switch (req.bmRequestType) {
case UT_READ_DEVICE:
if (state != USB_HR_NOT_COMPLETE) {
break;
}
switch (req.bRequest) {
case UR_GET_DESCRIPTOR:
goto tr_handle_get_descriptor;
case UR_GET_CONFIG:
goto tr_handle_get_config;
case UR_GET_STATUS:
goto tr_handle_get_status;
default:
goto tr_stalled;
}
break;
case UT_WRITE_DEVICE:
switch (req.bRequest) {
case UR_SET_ADDRESS:
goto tr_handle_set_address;
case UR_SET_CONFIG:
goto tr_handle_set_config;
case UR_CLEAR_FEATURE:
switch (wValue) {
case UF_DEVICE_REMOTE_WAKEUP:
goto tr_handle_clear_wakeup;
default:
goto tr_stalled;
}
break;
case UR_SET_FEATURE:
switch (wValue) {
case UF_DEVICE_REMOTE_WAKEUP:
goto tr_handle_set_wakeup;
default:
goto tr_stalled;
}
break;
default:
goto tr_stalled;
}
break;
case UT_WRITE_ENDPOINT:
switch (req.bRequest) {
case UR_CLEAR_FEATURE:
switch (wValue) {
case UF_ENDPOINT_HALT:
goto tr_handle_clear_halt;
default:
goto tr_stalled;
}
break;
case UR_SET_FEATURE:
switch (wValue) {
case UF_ENDPOINT_HALT:
goto tr_handle_set_halt;
default:
goto tr_stalled;
}
break;
default:
goto tr_stalled;
}
break;
case UT_READ_ENDPOINT:
switch (req.bRequest) {
case UR_GET_STATUS:
goto tr_handle_get_ep_status;
default:
goto tr_stalled;
}
break;
default:
/* we use "USB_ADD_BYTES" to de-const the src_zcopy */
err = usb_handle_iface_request(xfer,
USB_ADD_BYTES(&src_zcopy, 0),
&max_len, req, off, state);
if (err == 0) {
is_complete = 0;
goto tr_valid;
} else if (err == USB_ERR_SHORT_XFER) {
goto tr_valid;
}
/*
* Reset zero-copy pointer and max length
* variable in case they were unintentionally
* set:
*/
src_zcopy = NULL;
max_len = 0;
/*
* Check if we have a vendor specific
* descriptor:
*/
goto tr_handle_get_descriptor;
}
goto tr_valid;
tr_handle_get_descriptor:
err = (usb_temp_get_desc_p) (udev, &req, &src_zcopy, &max_len);
if (err)
goto tr_stalled;
if (src_zcopy == NULL)
goto tr_stalled;
goto tr_valid;
tr_handle_get_config:
temp.buf[0] = udev->curr_config_no;
src_mcopy = temp.buf;
max_len = 1;
goto tr_valid;
tr_handle_get_status:
wValue = 0;
USB_BUS_LOCK(udev->bus);
if (udev->flags.remote_wakeup) {
wValue |= UDS_REMOTE_WAKEUP;
}
if (udev->flags.self_powered) {
wValue |= UDS_SELF_POWERED;
}
USB_BUS_UNLOCK(udev->bus);
USETW(temp.wStatus, wValue);
src_mcopy = temp.wStatus;
max_len = sizeof(temp.wStatus);
goto tr_valid;
tr_handle_set_address:
if (state == USB_HR_NOT_COMPLETE) {
if (wValue >= 0x80) {
/* invalid value */
goto tr_stalled;
} else if (udev->curr_config_no != 0) {
/* we are configured ! */
goto tr_stalled;
}
} else if (state != USB_HR_NOT_COMPLETE) {
udev->address = (wValue & 0x7F);
goto tr_bad_context;
}
goto tr_valid;
tr_handle_set_config:
if (state == USB_HR_NOT_COMPLETE) {
if (usb_handle_set_config(xfer, req.wValue[0])) {
goto tr_stalled;
}
}
goto tr_valid;
tr_handle_clear_halt:
if (state == USB_HR_NOT_COMPLETE) {
if (usb_handle_set_stall(xfer, req.wIndex[0], 0)) {
goto tr_stalled;
}
}
goto tr_valid;
tr_handle_clear_wakeup:
if (state == USB_HR_NOT_COMPLETE) {
if (usb_handle_remote_wakeup(xfer, 0)) {
goto tr_stalled;
}
}
goto tr_valid;
tr_handle_set_halt:
if (state == USB_HR_NOT_COMPLETE) {
if (usb_handle_set_stall(xfer, req.wIndex[0], 1)) {
goto tr_stalled;
}
}
goto tr_valid;
tr_handle_set_wakeup:
if (state == USB_HR_NOT_COMPLETE) {
if (usb_handle_remote_wakeup(xfer, 1)) {
goto tr_stalled;
}
}
goto tr_valid;
tr_handle_get_ep_status:
if (state == USB_HR_NOT_COMPLETE) {
temp.wStatus[0] =
usb_handle_get_stall(udev, req.wIndex[0]);
temp.wStatus[1] = 0;
src_mcopy = temp.wStatus;
max_len = sizeof(temp.wStatus);
}
goto tr_valid;
tr_valid:
if (state != USB_HR_NOT_COMPLETE) {
goto tr_stalled;
}
/* subtract offset from length */
max_len -= off;
/* Compute the real maximum data length */
if (max_len > xfer->max_data_length) {
max_len = usbd_xfer_max_len(xfer);
}
if (max_len > rem) {
max_len = rem;
}
/*
* If the remainder is greater than the maximum data length,
* we need to truncate the value for the sake of the
* comparison below:
*/
if (rem > xfer->max_data_length) {
rem = usbd_xfer_max_len(xfer);
}
if ((rem != max_len) && (is_complete != 0)) {
/*
* If we don't transfer the data we can transfer, then
* the transfer is short !
*/
xfer->flags.force_short_xfer = 1;
xfer->nframes = 2;
} else {
/*
* Default case
*/
xfer->flags.force_short_xfer = 0;
xfer->nframes = max_len ? 2 : 1;
}
if (max_len > 0) {
if (src_mcopy) {
src_mcopy = USB_ADD_BYTES(src_mcopy, off);
usbd_copy_in(xfer->frbuffers + 1, 0,
src_mcopy, max_len);
usbd_xfer_set_frame_len(xfer, 1, max_len);
} else {
usbd_xfer_set_frame_data(xfer, 1,
USB_ADD_BYTES(src_zcopy, off), max_len);
}
} else {
/* the end is reached, send status */
xfer->flags.manual_status = 0;
usbd_xfer_set_frame_len(xfer, 1, 0);
}
DPRINTF("success\n");
return (0); /* success */
tr_stalled:
DPRINTF("%s\n", (state != USB_HR_NOT_COMPLETE) ?
"complete" : "stalled");
return (USB_ERR_STALLED);
tr_bad_context:
DPRINTF("bad context\n");
return (USB_ERR_BAD_CONTEXT);
}
static void
ubt_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ubt_softc *sc = usbd_xfer_softc(xfer);
struct usb_device_request req;
struct mbuf *m;
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
UBT_INFO(sc, "sent %d bytes to control pipe\n", actlen);
UBT_STAT_BYTES_SENT(sc, actlen);
UBT_STAT_PCKTS_SENT(sc);
/* FALLTHROUGH */
case USB_ST_SETUP:
send_next:
/* Get next command mbuf, if any */
UBT_NG_LOCK(sc);
NG_BT_MBUFQ_DEQUEUE(&sc->sc_cmdq, m);
UBT_NG_UNLOCK(sc);
if (m == NULL) {
UBT_INFO(sc, "HCI command queue is empty\n");
break; /* transfer complete */
}
/* Initialize a USB control request and then schedule it */
bzero(&req, sizeof(req));
req.bmRequestType = UBT_HCI_REQUEST;
USETW(req.wLength, m->m_pkthdr.len);
UBT_INFO(sc, "Sending control request, " \
"bmRequestType=0x%02x, wLength=%d\n",
req.bmRequestType, UGETW(req.wLength));
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
pc = usbd_xfer_get_frame(xfer, 1);
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frame_len(xfer, 1, m->m_pkthdr.len);
usbd_xfer_set_frames(xfer, 2);
NG_FREE_M(m);
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
UBT_WARN(sc, "control transfer failed: %s\n",
usbd_errstr(error));
UBT_STAT_OERROR(sc);
goto send_next;
}
/* transfer cancelled */
break;
}
} /* ubt_ctrl_write_callback */
static void
ubt_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ubt_softc *sc = usbd_xfer_softc(xfer);
struct mbuf *m;
ng_hci_acldata_pkt_t *hdr;
struct usb_page_cache *pc;
int len;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
m = NULL;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
/* Allocate new mbuf */
MGETHDR(m, M_NOWAIT, MT_DATA);
if (m == NULL) {
UBT_STAT_IERROR(sc);
goto submit_next;
}
if (!(MCLGET(m, M_NOWAIT))) {
UBT_STAT_IERROR(sc);
goto submit_next;
}
/* Add HCI packet type */
*mtod(m, uint8_t *)= NG_HCI_ACL_DATA_PKT;
m->m_pkthdr.len = m->m_len = 1;
if (actlen > MCLBYTES - 1)
actlen = MCLBYTES - 1;
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_out(pc, 0, mtod(m, uint8_t *) + 1, actlen);
m->m_pkthdr.len += actlen;
m->m_len += actlen;
UBT_INFO(sc, "got %d bytes from bulk-in pipe\n",
actlen);
/* Validate packet and send it up the stack */
if (m->m_pkthdr.len < (int)sizeof(*hdr)) {
UBT_INFO(sc, "HCI ACL packet is too short\n");
UBT_STAT_IERROR(sc);
goto submit_next;
}
hdr = mtod(m, ng_hci_acldata_pkt_t *);
len = le16toh(hdr->length);
if (len != (int)(m->m_pkthdr.len - sizeof(*hdr))) {
UBT_ERR(sc, "Invalid ACL packet size, length=%d, " \
"pktlen=%d\n", len, m->m_pkthdr.len);
UBT_STAT_IERROR(sc);
goto submit_next;
}
UBT_INFO(sc, "got complete ACL data packet, pktlen=%d, " \
"length=%d\n", m->m_pkthdr.len, len);
UBT_STAT_PCKTS_RECV(sc);
UBT_STAT_BYTES_RECV(sc, m->m_pkthdr.len);
ubt_fwd_mbuf_up(sc, &m);
/* m == NULL at this point */
/* FALLTHOUGH */
case USB_ST_SETUP:
submit_next:
NG_FREE_M(m); /* checks for m != NULL */
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
UBT_WARN(sc, "bulk-in transfer failed: %s\n",
usbd_errstr(error));
/* Try to clear stall first */
usbd_xfer_set_stall(xfer);
goto submit_next;
}
/* transfer cancelled */
break;
}
} /* ubt_bulk_read_callback */
static uint8_t
cdce_ncm_fill_tx_frames(struct usb_xfer *xfer, uint8_t index)
{
struct cdce_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
struct usb_page_cache *pc = usbd_xfer_get_frame(xfer, index);
struct mbuf *m;
uint32_t rem;
uint32_t offset;
uint32_t last_offset;
uint16_t n;
uint8_t retval;
usbd_xfer_set_frame_offset(xfer, index * CDCE_NCM_TX_MAXLEN, index);
offset = sizeof(sc->sc_ncm.hdr) +
sizeof(sc->sc_ncm.dpt) + sizeof(sc->sc_ncm.dp);
/* Store last valid offset before alignment */
last_offset = offset;
/* Align offset */
offset = CDCE_NCM_ALIGN(sc->sc_ncm.tx_remainder,
offset, sc->sc_ncm.tx_modulus);
/* Zero pad */
cdce_ncm_tx_zero(pc, last_offset, offset);
/* buffer full */
retval = 2;
for (n = 0; n != sc->sc_ncm.tx_nframe; n++) {
/* check if end of transmit buffer is reached */
if (offset >= sc->sc_ncm.tx_max)
break;
/* compute maximum buffer size */
rem = sc->sc_ncm.tx_max - offset;
IFQ_DRV_DEQUEUE(&(ifp->if_snd), m);
if (m == NULL) {
/* buffer not full */
retval = 1;
break;
}
if (m->m_pkthdr.len > rem) {
if (n == 0) {
/* The frame won't fit in our buffer */
DPRINTFN(1, "Frame too big to be transmitted!\n");
m_freem(m);
ifp->if_oerrors++;
n--;
continue;
}
/* Wait till next buffer becomes ready */
IFQ_DRV_PREPEND(&(ifp->if_snd), m);
break;
}
usbd_m_copy_in(pc, offset, m, 0, m->m_pkthdr.len);
USETW(sc->sc_ncm.dp[n].wFrameLength, m->m_pkthdr.len);
USETW(sc->sc_ncm.dp[n].wFrameIndex, offset);
/* Update offset */
offset += m->m_pkthdr.len;
/* Store last valid offset before alignment */
last_offset = offset;
/* Align offset */
offset = CDCE_NCM_ALIGN(sc->sc_ncm.tx_remainder,
offset, sc->sc_ncm.tx_modulus);
/* Zero pad */
cdce_ncm_tx_zero(pc, last_offset, offset);
/*
* If there's a BPF listener, bounce a copy
* of this frame to him:
*/
BPF_MTAP(ifp, m);
/* Free mbuf */
m_freem(m);
/* Pre-increment interface counter */
ifp->if_opackets++;
}
if (n == 0)
return (0);
rem = (sizeof(sc->sc_ncm.dpt) + (4 * n) + 4);
USETW(sc->sc_ncm.dpt.wLength, rem);
/* zero the rest of the data pointer entries */
for (; n != CDCE_NCM_SUBFRAMES_MAX; n++) {
USETW(sc->sc_ncm.dp[n].wFrameLength, 0);
USETW(sc->sc_ncm.dp[n].wFrameIndex, 0);
}
offset = last_offset;
/* Align offset */
offset = CDCE_NCM_ALIGN(0, offset, CDCE_NCM_TX_MINLEN);
/* Optimise, save bandwidth and force short termination */
if (offset >= sc->sc_ncm.tx_max)
offset = sc->sc_ncm.tx_max;
else
offset ++;
/* Zero pad */
cdce_ncm_tx_zero(pc, last_offset, offset);
/* set frame length */
usbd_xfer_set_frame_len(xfer, index, offset);
/* Fill out 16-bit header */
sc->sc_ncm.hdr.dwSignature[0] = 'N';
sc->sc_ncm.hdr.dwSignature[1] = 'C';
sc->sc_ncm.hdr.dwSignature[2] = 'M';
sc->sc_ncm.hdr.dwSignature[3] = 'H';
USETW(sc->sc_ncm.hdr.wHeaderLength, sizeof(sc->sc_ncm.hdr));
USETW(sc->sc_ncm.hdr.wBlockLength, offset);
USETW(sc->sc_ncm.hdr.wSequence, sc->sc_ncm.tx_seq);
USETW(sc->sc_ncm.hdr.wDptIndex, sizeof(sc->sc_ncm.hdr));
sc->sc_ncm.tx_seq++;
/* Fill out 16-bit frame table header */
sc->sc_ncm.dpt.dwSignature[0] = 'N';
sc->sc_ncm.dpt.dwSignature[1] = 'C';
sc->sc_ncm.dpt.dwSignature[2] = 'M';
sc->sc_ncm.dpt.dwSignature[3] = '0';
USETW(sc->sc_ncm.dpt.wNextNdpIndex, 0); /* reserved */
usbd_copy_in(pc, 0, &(sc->sc_ncm.hdr), sizeof(sc->sc_ncm.hdr));
usbd_copy_in(pc, sizeof(sc->sc_ncm.hdr), &(sc->sc_ncm.dpt),
sizeof(sc->sc_ncm.dpt));
usbd_copy_in(pc, sizeof(sc->sc_ncm.hdr) + sizeof(sc->sc_ncm.dpt),
&(sc->sc_ncm.dp), sizeof(sc->sc_ncm.dp));
return (retval);
}
static void
usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usie_softc *sc = usbd_xfer_softc(xfer);
struct usb_page_cache *pc;
struct ifnet *ifp = sc->sc_ifp;
struct mbuf *m;
uint16_t size;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(11, "transfer complete\n");
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
ifp->if_opackets++;
/* fall though */
case USB_ST_SETUP:
tr_setup:
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
break;
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
if (m == NULL)
break;
if (m->m_pkthdr.len > (MCLBYTES - ETHER_HDR_LEN +
ETHER_CRC_LEN - sizeof(sc->sc_txd))) {
DPRINTF("packet len is too big: %d\n",
m->m_pkthdr.len);
break;
}
pc = usbd_xfer_get_frame(xfer, 0);
sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len +
ETHER_HDR_LEN + ETHER_CRC_LEN);
size = sizeof(sc->sc_txd);
usbd_copy_in(pc, 0, &sc->sc_txd, size);
usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len);
usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len +
size + ETHER_CRC_LEN);
BPF_MTAP(ifp, m);
m_freem(m);
usbd_transfer_submit(xfer);
break;
default: /* Error */
DPRINTF("USB transfer error, %s\n",
usbd_errstr(error));
ifp->if_oerrors++;
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
ifp->if_ierrors++;
goto tr_setup;
}
break;
}
}
static void
ipheth_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ipheth_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
struct usb_page_cache *pc;
struct mbuf *m;
uint8_t x;
int actlen;
int aframes;
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
DPRINTFN(1, "\n");
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(11, "transfer complete: %u bytes in %u frames\n",
actlen, aframes);
ifp->if_opackets++;
/* free all previous TX buffers */
ipheth_free_queue(sc->sc_tx_buf, IPHETH_TX_FRAMES_MAX);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
for (x = 0; x != IPHETH_TX_FRAMES_MAX; x++) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
if (m == NULL)
break;
usbd_xfer_set_frame_offset(xfer,
x * IPHETH_BUF_SIZE, x);
pc = usbd_xfer_get_frame(xfer, x);
sc->sc_tx_buf[x] = m;
if (m->m_pkthdr.len > IPHETH_BUF_SIZE)
m->m_pkthdr.len = IPHETH_BUF_SIZE;
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
usbd_xfer_set_frame_len(xfer, x, IPHETH_BUF_SIZE);
if (IPHETH_BUF_SIZE != m->m_pkthdr.len) {
usbd_frame_zero(pc, m->m_pkthdr.len,
IPHETH_BUF_SIZE - m->m_pkthdr.len);
}
/*
* If there's a BPF listener, bounce a copy of
* this frame to him:
*/
BPF_MTAP(ifp, m);
}
if (x != 0) {
usbd_xfer_set_frames(xfer, x);
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
DPRINTFN(11, "transfer error, %s\n",
usbd_errstr(error));
/* free all previous TX buffers */
ipheth_free_queue(sc->sc_tx_buf, IPHETH_TX_FRAMES_MAX);
/* count output errors */
ifp->if_oerrors++;
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
ubt_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct ubt_softc *sc = usbd_xfer_softc(xfer);
struct mbuf *m;
struct usb_page_cache *pc;
int actlen;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
UBT_INFO(sc, "sent %d bytes to bulk-out pipe\n", actlen);
UBT_STAT_BYTES_SENT(sc, actlen);
UBT_STAT_PCKTS_SENT(sc);
/* FALLTHROUGH */
case USB_ST_SETUP:
send_next:
/* Get next mbuf, if any */
UBT_NG_LOCK(sc);
NG_BT_MBUFQ_DEQUEUE(&sc->sc_aclq, m);
UBT_NG_UNLOCK(sc);
if (m == NULL) {
UBT_INFO(sc, "ACL data queue is empty\n");
break; /* transfer completed */
}
/*
* Copy ACL data frame back to a linear USB transfer buffer
* and schedule transfer
*/
pc = usbd_xfer_get_frame(xfer, 0);
usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
UBT_INFO(sc, "bulk-out transfer has been started, len=%d\n",
m->m_pkthdr.len);
NG_FREE_M(m);
usbd_transfer_submit(xfer);
break;
default: /* Error */
if (error != USB_ERR_CANCELLED) {
UBT_WARN(sc, "bulk-out transfer failed: %s\n",
usbd_errstr(error));
UBT_STAT_OERROR(sc);
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto send_next;
}
/* transfer cancelled */
break;
}
} /* ubt_bulk_write_callback */
static void
usbd_ctrl_callback(struct usb_xfer *xfer, usb_error_t error)
{
irp *ip;
struct ndis_softc *sc = usbd_xfer_softc(xfer);
struct ndisusb_ep *ne = usbd_xfer_get_priv(xfer);
struct ndisusb_xfer *nx;
uint8_t irql;
union usbd_urb *urb;
struct usbd_urb_vendor_or_class_request *vcreq;
struct usb_page_cache *pc;
uint8_t type = 0;
struct usb_device_request req;
int len;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
ip = nx->nx_priv;
urb = usbd_geturb(ip);
vcreq = &urb->uu_vcreq;
if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) {
pc = usbd_xfer_get_frame(xfer, 1);
len = usbd_xfer_frame_len(xfer, 1);
usbd_copy_out(pc, 0, vcreq->uvc_trans_buf, len);
nx->nx_urbactlen += len;
}
usbd_xfer_complete(sc, ne, nx, USB_ERR_NORMAL_COMPLETION);
/* fall through */
case USB_ST_SETUP:
next:
/* get next transfer */
KeAcquireSpinLock(&ne->ne_lock, &irql);
if (IsListEmpty(&ne->ne_pending)) {
KeReleaseSpinLock(&ne->ne_lock, irql);
return;
}
nx = CONTAINING_RECORD(ne->ne_pending.nle_flink,
struct ndisusb_xfer, nx_next);
RemoveEntryList(&nx->nx_next);
/* add a entry to the active queue's tail. */
InsertTailList((&ne->ne_active), (&nx->nx_next));
KeReleaseSpinLock(&ne->ne_lock, irql);
ip = nx->nx_priv;
urb = usbd_geturb(ip);
vcreq = &urb->uu_vcreq;
switch (urb->uu_hdr.uuh_func) {
case URB_FUNCTION_CLASS_DEVICE:
type = UT_CLASS | UT_DEVICE;
break;
case URB_FUNCTION_CLASS_INTERFACE:
type = UT_CLASS | UT_INTERFACE;
break;
case URB_FUNCTION_CLASS_OTHER:
type = UT_CLASS | UT_OTHER;
break;
case URB_FUNCTION_CLASS_ENDPOINT:
type = UT_CLASS | UT_ENDPOINT;
break;
case URB_FUNCTION_VENDOR_DEVICE:
type = UT_VENDOR | UT_DEVICE;
break;
case URB_FUNCTION_VENDOR_INTERFACE:
type = UT_VENDOR | UT_INTERFACE;
break;
case URB_FUNCTION_VENDOR_OTHER:
type = UT_VENDOR | UT_OTHER;
break;
case URB_FUNCTION_VENDOR_ENDPOINT:
type = UT_VENDOR | UT_ENDPOINT;
break;
default:
/* never reached. */
break;
}
type |= (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) ?
UT_READ : UT_WRITE;
type |= vcreq->uvc_reserved1;
req.bmRequestType = type;
req.bRequest = vcreq->uvc_req;
USETW(req.wIndex, vcreq->uvc_idx);
USETW(req.wValue, vcreq->uvc_value);
USETW(req.wLength, vcreq->uvc_trans_buflen);
nx->nx_urbbuf = vcreq->uvc_trans_buf;
nx->nx_urblen = vcreq->uvc_trans_buflen;
nx->nx_urbactlen = 0;
pc = usbd_xfer_get_frame(xfer, 0);
usbd_copy_in(pc, 0, &req, sizeof(req));
usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
usbd_xfer_set_frames(xfer, 1);
if (vcreq->uvc_trans_flags & USBD_TRANSFER_DIRECTION_IN) {
if (vcreq->uvc_trans_buflen >= USBD_CTRL_READ_BUFFER_SP)
device_printf(sc->ndis_dev,
"warning: not enough buffer space (%d).\n",
vcreq->uvc_trans_buflen);
usbd_xfer_set_frame_len(xfer, 1,
MIN(usbd_xfer_max_len(xfer),
vcreq->uvc_trans_buflen));
usbd_xfer_set_frames(xfer, 2);
} else {
if (nx->nx_urblen > USBD_CTRL_WRITE_BUFFER_SP)
device_printf(sc->ndis_dev,
"warning: not enough write buffer space"
" (%d).\n", nx->nx_urblen);
/*
* XXX with my local tests there was no cases to require
* a extra buffer until now but it'd need to update in
* the future if it needs to be.
*/
if (nx->nx_urblen > 0) {
pc = usbd_xfer_get_frame(xfer, 1);
usbd_copy_in(pc, 0, nx->nx_urbbuf,
nx->nx_urblen);
usbd_xfer_set_frame_len(xfer, 1, nx->nx_urblen);
usbd_xfer_set_frames(xfer, 2);
}
}
usbd_transfer_submit(xfer);
break;
default:
nx = usbd_aq_getfirst(sc, ne);
if (nx == NULL)
return;
if (error != USB_ERR_CANCELLED) {
usbd_xfer_set_stall(xfer);
device_printf(sc->ndis_dev, "usb xfer warning (%s)\n",
usbd_errstr(error));
}
usbd_xfer_complete(sc, ne, nx, error);
if (error != USB_ERR_CANCELLED)
goto next;
break;
}
}