static void
cdce_ncm_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct cdce_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
uint16_t x;
uint8_t temp;
int actlen;
int aframes;
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
DPRINTFN(10, "transfer complete: "
"%u bytes in %u frames\n", actlen, aframes);
case USB_ST_SETUP:
for (x = 0; x != CDCE_NCM_TX_FRAMES_MAX; x++) {
temp = cdce_ncm_fill_tx_frames(xfer, x);
if (temp == 0)
break;
if (temp == 1) {
x++;
break;
}
}
if (x != 0) {
#ifdef USB_DEBUG
usbd_xfer_set_interval(xfer, cdce_tx_interval);
#endif
usbd_xfer_set_frames(xfer, x);
usbd_transfer_submit(xfer);
}
break;
default: /* Error */
DPRINTFN(10, "Transfer error: %s\n",
usbd_errstr(error));
/* update error counter */
if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);
if (error != USB_ERR_CANCELLED) {
if (usbd_get_mode(sc->sc_ue.ue_udev) == USB_MODE_HOST) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
usbd_xfer_set_frames(xfer, 0);
usbd_transfer_submit(xfer);
}
}
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
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
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
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
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
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
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
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;
}
}
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_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;
}
}
/*
* 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;
}
}
/*------------------------------------------------------------------------*
* usbd_do_request_callback
*
* This function is the USB callback for generic USB Host control
* transfers.
*------------------------------------------------------------------------*/
void
usbd_do_request_callback(struct usb_xfer *xfer, usb_error_t error)
{
; /* workaround for a bug in "indent" */
DPRINTF("st=%u\n", USB_GET_STATE(xfer));
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
usbd_transfer_submit(xfer);
break;
default:
cv_signal(xfer->xroot->udev->default_cv);
break;
}
}
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
g_modem_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct g_modem_softc *sc = usbd_xfer_softc(xfer);
int actlen;
int aframes;
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
DPRINTF("st=%d aframes=%d actlen=%d bytes\n",
USB_GET_STATE(xfer), aframes, actlen);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
sc->sc_throughput += actlen;
if (sc->sc_mode == G_MODEM_MODE_LOOP) {
sc->sc_tx_busy = 1;
sc->sc_data_len = actlen;
usbd_transfer_start(sc->sc_xfer[G_MODEM_BULK_WR]);
break;
}
case USB_ST_SETUP:
tr_setup:
if ((sc->sc_mode == G_MODEM_MODE_SILENT) ||
(sc->sc_tx_busy != 0))
break;
usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, G_MODEM_BUFSIZE);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
break;
default: /* Error */
DPRINTF("error=%s\n", usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}
static void
ugen_default_fs_callback(struct usb_xfer *xfer, usb_error_t error)
{
; /* workaround for a bug in "indent" */
DPRINTF("st=%u alen=%u aframes=%u\n",
USB_GET_STATE(xfer), xfer->actlen, xfer->aframes);
switch (USB_GET_STATE(xfer)) {
case USB_ST_SETUP:
usbd_transfer_submit(xfer);
break;
default:
ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo));
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
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
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;
}
}
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
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
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;
}
}
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 void
cdce_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct cdce_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = uether_getifp(&sc->sc_ue);
struct mbuf *m;
struct mbuf *mt;
uint32_t crc;
uint8_t x;
int actlen, 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 */
cdce_free_queue(sc->sc_tx_buf, CDCE_FRAMES_MAX);
/* FALLTHROUGH */
case USB_ST_SETUP:
tr_setup:
for (x = 0; x != CDCE_FRAMES_MAX; x++) {
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
if (m == NULL)
break;
if (sc->sc_flags & CDCE_FLAG_ZAURUS) {
/*
* Zaurus wants a 32-bit CRC appended
* to every frame
*/
crc = cdce_m_crc32(m, 0, m->m_pkthdr.len);
crc = htole32(crc);
if (!m_append(m, 4, (void *)&crc)) {
m_freem(m);
ifp->if_oerrors++;
continue;
}
}
if (m->m_len != m->m_pkthdr.len) {
mt = m_defrag(m, M_DONTWAIT);
if (mt == NULL) {
m_freem(m);
ifp->if_oerrors++;
continue;
}
m = mt;
}
if (m->m_pkthdr.len > MCLBYTES) {
m->m_pkthdr.len = MCLBYTES;
}
sc->sc_tx_buf[x] = m;
usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_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 */
cdce_free_queue(sc->sc_tx_buf, CDCE_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
cdce_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct cdce_softc *sc = usbd_xfer_softc(xfer);
struct mbuf *m;
uint8_t x;
int actlen, aframes, len;
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTF("received %u bytes in %u frames\n", actlen, aframes);
for (x = 0; x != aframes; x++) {
m = sc->sc_rx_buf[x];
sc->sc_rx_buf[x] = NULL;
len = usbd_xfer_frame_len(xfer, x);
/* Strip off CRC added by Zaurus, if any */
if ((sc->sc_flags & CDCE_FLAG_ZAURUS) && len >= 14)
len -= 4;
if (len < sizeof(struct ether_header)) {
m_freem(m);
continue;
}
/* queue up mbuf */
uether_rxmbuf(&sc->sc_ue, m, len);
}
/* FALLTHROUGH */
case USB_ST_SETUP:
/*
* TODO: Implement support for multi frame transfers,
* when the USB hardware supports it.
*/
for (x = 0; x != 1; x++) {
if (sc->sc_rx_buf[x] == NULL) {
m = uether_newbuf();
if (m == NULL)
goto tr_stall;
sc->sc_rx_buf[x] = m;
} else {
m = sc->sc_rx_buf[x];
}
usbd_xfer_set_frame_data(xfer, x, m->m_data, m->m_len);
}
/* set number of frames and start hardware */
usbd_xfer_set_frames(xfer, x);
usbd_transfer_submit(xfer);
/* flush any received frames */
uether_rxflush(&sc->sc_ue);
break;
default: /* Error */
DPRINTF("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;
}
/* need to free the RX-mbufs when we are cancelled */
cdce_free_queue(sc->sc_rx_buf, CDCE_FRAMES_MAX);
break;
}
}
static void
usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct usie_softc *sc = usbd_xfer_softc(xfer);
struct ifnet *ifp = sc->sc_ifp;
struct mbuf *m0;
struct mbuf *m = NULL;
struct usie_desc *rxd;
uint32_t actlen;
uint16_t err;
uint16_t pkt;
uint16_t ipl;
uint16_t len;
uint16_t diff;
uint8_t pad;
uint8_t ipv;
usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
DPRINTFN(15, "rx done, actlen=%u\n", actlen);
if (actlen < sizeof(struct usie_hip)) {
DPRINTF("data too short %u\n", actlen);
goto tr_setup;
}
m = sc->sc_rxm;
sc->sc_rxm = NULL;
/* fall though */
case USB_ST_SETUP:
tr_setup:
if (sc->sc_rxm == NULL) {
sc->sc_rxm = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
MJUMPAGESIZE /* could be bigger than MCLBYTES */ );
}
if (sc->sc_rxm == NULL) {
DPRINTF("could not allocate Rx mbuf\n");
ifp->if_ierrors++;
usbd_xfer_set_stall(xfer);
usbd_xfer_set_frames(xfer, 0);
} else {
/*
* Directly loading a mbuf cluster into DMA to
* save some data copying. This works because
* there is only one cluster.
*/
usbd_xfer_set_frame_data(xfer, 0,
mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX));
usbd_xfer_set_frames(xfer, 1);
}
usbd_transfer_submit(xfer);
break;
default: /* Error */
DPRINTF("USB transfer error, %s\n", usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
ifp->if_ierrors++;
goto tr_setup;
}
if (sc->sc_rxm != NULL) {
m_freem(sc->sc_rxm);
sc->sc_rxm = NULL;
}
break;
}
if (m == NULL)
return;
mtx_unlock(&sc->sc_mtx);
m->m_pkthdr.len = m->m_len = actlen;
err = pkt = 0;
/* HW can aggregate multiple frames in a single USB xfer */
for (;;) {
rxd = mtod(m, struct usie_desc *);
len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK;
pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0;
ipl = (len - pad - ETHER_HDR_LEN);
if (ipl >= len) {
DPRINTF("Corrupt frame\n");
m_freem(m);
break;
}
diff = sizeof(struct usie_desc) + ipl + pad;
if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) ||
(be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) {
DPRINTF("received wrong type of packet\n");
m->m_data += diff;
m->m_pkthdr.len = (m->m_len -= diff);
err++;
if (m->m_pkthdr.len > 0)
continue;
m_freem(m);
break;
}
switch (be16toh(rxd->ethhdr.ether_type)) {
case ETHERTYPE_IP:
ipv = NETISR_IP;
break;
#ifdef INET6
case ETHERTYPE_IPV6:
ipv = NETISR_IPV6;
break;
#endif
default:
DPRINTF("unsupported ether type\n");
err++;
break;
}
/* the last packet */
if (m->m_pkthdr.len <= diff) {
m->m_data += (sizeof(struct usie_desc) + pad);
m->m_pkthdr.len = m->m_len = ipl;
m->m_pkthdr.rcvif = ifp;
BPF_MTAP(sc->sc_ifp, m);
netisr_dispatch(ipv, m);
break;
}
/* copy aggregated frames to another mbuf */
m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
if (__predict_false(m0 == NULL)) {
DPRINTF("could not allocate mbuf\n");
err++;
m_freem(m);
break;
}
m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t));
m0->m_pkthdr.rcvif = ifp;
m0->m_pkthdr.len = m0->m_len = ipl;
BPF_MTAP(sc->sc_ifp, m0);
netisr_dispatch(ipv, m0);
m->m_data += diff;
m->m_pkthdr.len = (m->m_len -= diff);
}
mtx_lock(&sc->sc_mtx);
ifp->if_ierrors += err;
ifp->if_ipackets += pkt;
}
static void
g_modem_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
struct g_modem_softc *sc = usbd_xfer_softc(xfer);
int actlen;
int aframes;
int mod;
int x;
int max;
usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);
DPRINTF("st=%d aframes=%d actlen=%d bytes\n",
USB_GET_STATE(xfer), aframes, actlen);
switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED:
sc->sc_tx_busy = 0;
sc->sc_throughput += actlen;
if (sc->sc_mode == G_MODEM_MODE_LOOP) {
/* start loop */
usbd_transfer_start(sc->sc_xfer[G_MODEM_BULK_RD]);
break;
} else if ((sc->sc_mode == G_MODEM_MODE_PATTERN) && (sc->sc_tx_interval != 0)) {
/* wait for next timeout */
break;
}
case USB_ST_SETUP:
tr_setup:
if (sc->sc_mode == G_MODEM_MODE_PATTERN) {
mod = sc->sc_pattern_len;
max = sc->sc_tx_interval ? mod : G_MODEM_BUFSIZE;
if (mod == 0) {
for (x = 0; x != max; x++)
sc->sc_data_buf[x] = x % 255;
} else {
for (x = 0; x != max; x++)
sc->sc_data_buf[x] = sc->sc_pattern[x % mod];
}
usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, max);
usbd_xfer_set_interval(xfer, 0);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
} else if (sc->sc_mode == G_MODEM_MODE_LOOP) {
if (sc->sc_tx_busy == 0)
break;
x = sc->sc_tx_interval;
if (x < 0)
x = 0;
else if (x > 256)
x = 256;
usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, sc->sc_data_len);
usbd_xfer_set_interval(xfer, x);
usbd_xfer_set_frames(xfer, 1);
usbd_transfer_submit(xfer);
} else {
sc->sc_tx_busy = 0;
}
break;
default: /* Error */
DPRINTF("error=%s\n", usbd_errstr(error));
if (error != USB_ERR_CANCELLED) {
/* try to clear stall first */
usbd_xfer_set_stall(xfer);
goto tr_setup;
}
break;
}
}