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|
/* $OpenBSD: if_wi_usb.c,v 1.8 2004/02/27 17:30:50 henning Exp $ */
/*
* Copyright (c) 2003 Dale Rahn. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <sys/kthread.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#define ROUNDUP64(x) (((x)+63) & ~63)
#include <net/if_ieee80211.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#include <machine/bus.h>
#include <dev/rndvar.h>
#include <dev/ic/if_wireg.h>
#include <dev/ic/if_wi_ieee.h>
#include <dev/ic/if_wivar.h>
#include <dev/usb/if_wi_usb.h>
int wi_usb_do_transmit_sync(struct wi_usb_softc *wsc, struct wi_usb_chain *c,
void *ident);
void wi_usb_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status);
void wi_usb_txeof_frm(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status);
void wi_usb_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status);
void wi_usb_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status);
void wi_usb_stop(struct wi_usb_softc *usc);
int wi_usb_tx_list_init(struct wi_usb_softc *usc);
int wi_usb_rx_list_init(struct wi_usb_softc *usc);
int wi_usb_open_pipes(struct wi_usb_softc *usc);
void wi_usb_cmdresp(struct wi_usb_chain *c);
void wi_usb_rridresp(struct wi_usb_chain *c);
void wi_usb_wridresp(struct wi_usb_chain *c);
void wi_usb_infofrm(struct wi_usb_chain *c, int len);
int wi_send_packet(struct wi_usb_softc *sc, int id);
void wi_usb_rxfrm(struct wi_usb_softc *usc, wi_usb_usbin *uin, int total_len);
void wi_usb_txfrm(struct wi_usb_softc *usc, wi_usb_usbin *uin, int total_len);
void wi_usb_start_thread(void *);
int wi_usb_tx_lock_try(struct wi_usb_softc *sc);
void wi_usb_tx_lock(struct wi_usb_softc *usc);
void wi_usb_tx_unlock(struct wi_usb_softc *usc);
void wi_usb_ctl_lock(struct wi_usb_softc *usc);
void wi_usb_ctl_unlock(struct wi_usb_softc *usc);
void wi_dump_data(void *buffer, int len);
void wi_usb_thread(void *arg);
#ifdef WI_USB_DEBUG
#define DPRINTF(x) if (wi_usbdebug) logprintf x
#define DPRINTFN(n,x) if (wi_usbdebug >= (n)) logprintf x
int wi_usbdebug = 1;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
struct wi_usb_thread_info {
int status;
int dying;
int idle;
};
/* thread status flags */
#define WI_START 0x01
#define WI_DYING 0x02
#define WI_INQUIRE 0x04
#define WI_WATCHDOG 0x08
struct wi_usb_softc {
struct wi_softc sc_wi;
#define wi_usb_dev sc_wi.sc_dev
usb_callout_t wi_usb_stat_ch;
usbd_device_handle wi_usb_udev;
usbd_interface_handle wi_usb_iface;
u_int16_t wi_usb_vendor;
u_int16_t wi_usb_product;
int wi_usb_ed[WI_USB_ENDPT_MAX];
usbd_pipe_handle wi_usb_ep[WI_USB_ENDPT_MAX];
struct wi_usb_chain wi_usb_tx_chain[WI_USB_TX_LIST_CNT];
struct wi_usb_chain wi_usb_rx_chain[WI_USB_RX_LIST_CNT];
int wi_usb_refcnt;
char wi_usb_dying;
char wi_usb_attached;
int wi_usb_intr_errs;
struct timeval wi_usb_rx_notice;
int wi_usb_pollpending;
wi_usb_usbin wi_usb_ibuf;
int wi_usb_tx_prod;
int wi_usb_tx_cons;
int wi_usb_tx_cnt;
int wi_usb_rx_prod;
struct wi_ltv_gen *ridltv;
int ridresperr;
int cmdresp;
int cmdresperr;
int txresp;
int txresperr;
/* nummem (tx/mgmt) */
int wi_usb_nummem;
#define MAX_WI_NMEM 3
void *wi_usb_txmem[MAX_WI_NMEM];
int wi_usb_txmemsize[MAX_WI_NMEM];
void *wi_usb_rxmem;
int wi_usb_rxmemsize;
void *wi_info;
void *wi_rxframe;
/* prevent multpile outstanding USB requests */
int wi_lock;
int wi_lockwait;
/* prevent multiple command requests */
int wi_ctllock;
int wi_ctllockwait;
struct proc *wi_curproc;
/* kthread */
struct wi_usb_thread_info *wi_thread_info;
int wi_resetonce;
};
struct wi_funcs wi_func_usb = {
wi_cmd_usb,
wi_read_record_usb,
wi_write_record_usb,
wi_alloc_nicmem_usb,
wi_read_data_usb,
wi_write_data_usb,
wi_get_fid_usb,
wi_init_usb,
wi_start_usb,
wi_ioctl_usb,
wi_watchdog_usb,
wi_inquire_usb,
};
/*
* Various supported device vendors/products.
*/
const struct wi_usb_type {
struct usb_devno wi_usb_device;
u_int16_t wi_usb_flags;
/* XXX */
} wi_usb_devs[] = {
{{ USB_VENDOR_ACERW, USB_PRODUCT_ACERW_WARPLINK }, 0 },
{{ USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_PRISM_25A }, 0 },
{{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_WLANUSB }, 0 },
{{ USB_VENDOR_INTEL, USB_PRODUCT_INTEL_I2011B }, 0 },
{{ USB_VENDOR_INTERSIL, USB_PRODUCT_INTERSIL_PRISM_2X }, 0 },
{{ USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBWNB11 }, 0 },
{{ USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_XP7250_WL }, 0 },
{{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_WUSB12_11 }, 0 },
{{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_S11 }, 0 },
{{ USB_VENDOR_MICROSOFT, USB_PRODUCT_MICROSOFT_MN510 }, 0 },
{{ USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_MA111NA }, 0 },
{{ USB_VENDOR_SIEMENS, USB_PRODUCT_SIEMENS_SPEEDSTREAM22 }, 0 }
};
#define wi_usb_lookup(v, p) ((struct wi_usb_type *)usb_lookup(wi_usb_devs, v, p))
USB_DECLARE_DRIVER(wi_usb);
USB_MATCH(wi_usb)
{
USB_MATCH_START(wi_usb, uaa);
if (uaa->iface != NULL)
return (UMATCH_NONE);
return (wi_usb_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}
/*
* Attach the interface. Allocate softc structures, do ifmedia
* setup and ethernet/BPF attach.
*/
USB_ATTACH(wi_usb)
{
USB_ATTACH_START(wi_usb, sc, uaa);
char devinfo[1024];
/* int s; */
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usbd_status err;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i;
DPRINTFN(5,(" : wi_usb_attach: sc=%p", sc));
err = usbd_set_config_no(dev, WI_USB_CONFIG_NO, 1);
if (err) {
printf("%s: setting config no failed\n",
USBDEVNAME(sc->wi_usb_dev));
USB_ATTACH_ERROR_RETURN;
}
usbd_devinfo(dev, 0, devinfo, sizeof devinfo);
USB_ATTACH_SETUP;
printf("%s: %s\n", USBDEVNAME(sc->wi_usb_dev), devinfo);
/* XXX - any tasks? */
err = usbd_device2interface_handle(dev, WI_USB_IFACE_IDX, &iface);
if (err) {
printf("%s: getting interface handle failed\n",
USBDEVNAME(sc->wi_usb_dev));
USB_ATTACH_ERROR_RETURN;
}
/* XXX - flags? */
sc->wi_usb_udev = dev;
sc->wi_usb_iface = iface;
sc->wi_usb_product = uaa->product;
sc->wi_usb_vendor = uaa->vendor;
sc->sc_wi.wi_usb_cdata = sc;
sc->sc_wi.wi_flags |= WI_FLAGS_BUS_USB;
sc->wi_lock = 0;
sc->wi_lockwait = 0;
sc->wi_resetonce = 0;
id = usbd_get_interface_descriptor(iface);
/* Find endpoints. */
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: couldn't get endpoint descriptor %d\n",
USBDEVNAME(sc->wi_usb_dev), i);
USB_ATTACH_ERROR_RETURN;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
sc->wi_usb_ed[WI_USB_ENDPT_RX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
sc->wi_usb_ed[WI_USB_ENDPT_TX] = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
sc->wi_usb_ed[WI_USB_ENDPT_INTR] = ed->bEndpointAddress;
}
}
sc->wi_usb_nummem = 0;
/* attach wi device */
if (wi_usb_rx_list_init(sc)) {
printf("%s: rx list init failed\n",
USBDEVNAME(sc->wi_usb_dev));
USB_ATTACH_ERROR_RETURN;
}
if (wi_usb_tx_list_init(sc)) {
printf("%s: tx list init failed\n",
USBDEVNAME(sc->wi_usb_dev));
USB_ATTACH_ERROR_RETURN;
}
if (wi_usb_open_pipes(sc)){
printf("%s: open pipes failed\n",
USBDEVNAME(sc->wi_usb_dev));
USB_ATTACH_ERROR_RETURN;
}
sc->wi_usb_attached = 1;
if (cold)
kthread_create_deferred(wi_usb_start_thread, sc);
else
wi_usb_start_thread(sc);
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->wi_usb_udev,
USBDEV(sc->wi_usb_dev));
USB_ATTACH_SUCCESS_RETURN;
}
USB_DETACH(wi_usb)
{
USB_DETACH_START(wi_usb, sc);
struct ifnet *ifp = WI_GET_IFP(sc);
struct wi_softc *wsc = &sc->sc_wi;
int s;
sc->wi_usb_dying = 1;
if (sc->wi_thread_info != NULL) {
sc->wi_thread_info->dying = 1;
sc->wi_thread_info->status |= WI_DYING;
if (sc->wi_thread_info->idle)
wakeup (sc->wi_thread_info);
}
if (!sc->wi_usb_attached) {
/* Detached before attach finished, so just bail out. */
return (0);
}
/* tasks? */
s = splusb();
/* detatch wi */
if (!(wsc->wi_flags & WI_FLAGS_ATTACHED)) {
printf("%s: already detached\n", USBDEVNAME(sc->wi_usb_dev));
splx(s);
return (0);
}
wi_detach(&sc->sc_wi);
wsc->wi_flags = 0;
ether_ifdetach(ifp);
if_detach(ifp);
sc->wi_usb_attached = 0;
if (--sc->wi_usb_refcnt >= 0) {
/* Wait for processes to go away. */
usb_detach_wait(USBDEV(sc->wi_usb_dev));
}
while (sc->wi_usb_nummem) {
sc->wi_usb_nummem--;
if (sc->wi_usb_txmem[sc->wi_usb_nummem] != NULL)
free(sc->wi_usb_txmem[sc->wi_usb_nummem], M_DEVBUF);
sc->wi_usb_txmem[sc->wi_usb_nummem] = NULL;
}
if (sc->wi_usb_ep[WI_USB_ENDPT_INTR] != NULL);
usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_INTR]);
if (sc->wi_usb_ep[WI_USB_ENDPT_TX] != NULL);
usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_TX]);
if (sc->wi_usb_ep[WI_USB_ENDPT_RX] != NULL);
usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_RX]);
splx(s);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->wi_usb_udev,
USBDEV(sc->wi_usb_dev));
return (0);
}
int
wi_send_packet(struct wi_usb_softc *sc, int id)
{
struct wi_usb_chain *c;
struct wi_frame *wibuf;
int total_len, rnd_len;
int err;
c = &sc->wi_usb_tx_chain[0];
DPRINTFN(10,("%s: %s: id=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, id));
/* assemble packet from write_data buffer */
if (id == 0 || id == 1) {
/* tx_lock acquired before wi_start() */
wibuf = sc->wi_usb_txmem[id];
total_len = sizeof (struct wi_frame) +
letoh16(wibuf->wi_dat_len);
rnd_len = ROUNDUP64(total_len);
if ((total_len > sc->wi_usb_txmemsize[id]) ||
(rnd_len > WI_USB_BUFSZ )){
printf("invalid packet len: %x memsz %x max %x\n",
total_len, sc->wi_usb_txmemsize[id], WI_USB_BUFSZ);
total_len = sc->wi_usb_txmemsize[id];
err = EIO;
goto err_ret;
}
sc->txresp = WI_CMD_TX;
sc->txresperr = 0;
bcopy(wibuf, c->wi_usb_buf, total_len);
bzero(((char *)c->wi_usb_buf)+total_len,
rnd_len - total_len);
/* zero old packet for next TX */
bzero(wibuf, total_len);
total_len = rnd_len;
DPRINTFN(5,("%s: %s: id=%x len=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, id, total_len));
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_TX],
c, c->wi_usb_buf, rnd_len,
USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
WI_USB_TX_TIMEOUT, wi_usb_txeof_frm);
err = usbd_transfer(c->wi_usb_xfer);
if (err != USBD_IN_PROGRESS && err != USBD_NORMAL_COMPLETION) {
printf("%s: wi_usb_send error=%s\n",
USBDEVNAME(sc->wi_usb_dev), usbd_errstr(err));
/* Stop the interface from process context. */
wi_usb_stop(sc);
err = EIO;
} else {
err = 0;
}
DPRINTFN(5,("%s: %s: exit err=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, err));
err_ret:
return err;
}
printf("%s:%s: invalid packet id sent %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, id);
return 0;
}
int
wi_cmd_usb(struct wi_softc *wsc, int cmd, int val0, int val1, int val2)
{
struct wi_usb_chain *c;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
struct wi_cmdreq *pcmd;
int total_len, rnd_len;
int err;
DPRINTFN(5,("%s: %s: enter cmd=%x %x %x %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, cmd, val0, val1, val2));
if ((cmd & WI_CMD_CODE_MASK) == WI_CMD_TX) {
return wi_send_packet(sc, val0);
}
if ((cmd & WI_CMD_CODE_MASK) == WI_CMD_INI) {
/* free alloc_nicmem regions */
while (sc->wi_usb_nummem) {
sc->wi_usb_nummem--;
free(sc->wi_usb_txmem[sc->wi_usb_nummem], M_DEVBUF);
sc->wi_usb_txmem[sc->wi_usb_nummem] = NULL;
}
#if 0
/* if this is the first time, init, otherwise do not?? */
if (sc->wi_resetonce) {
return 0;
} else
sc->wi_resetonce = 1;
#endif
}
wi_usb_ctl_lock(sc);
wi_usb_tx_lock(sc);
c = &sc->wi_usb_tx_chain[0];
pcmd = c->wi_usb_buf;
total_len = sizeof (struct wi_cmdreq);
rnd_len = ROUNDUP64(total_len);
if (rnd_len > WI_USB_BUFSZ) {
printf("read_record buf size err %x %x\n",
rnd_len, WI_USB_BUFSZ);
err = EIO;
goto err_ret;
}
sc->cmdresp = cmd;
sc->cmdresperr = 0;
pcmd->type = htole16(WI_USB_CMDREQ);
pcmd->cmd = htole16(cmd);
pcmd->param0 = htole16(val0);
pcmd->param1 = htole16(val1);
pcmd->param2 = htole16(val2);
bzero(((char*)pcmd)+total_len, rnd_len - total_len);
total_len = rnd_len;
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_TX],
c, c->wi_usb_buf, rnd_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
WI_USB_TX_TIMEOUT, wi_usb_txeof);
err = wi_usb_do_transmit_sync(sc, c, &sc->cmdresperr);
if (err == 0)
err = sc->cmdresperr;
sc->cmdresperr = 0;
err_ret:
wi_usb_tx_unlock(sc);
wi_usb_ctl_unlock(sc);
DPRINTFN(5,("%s: %s: exit err=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, err));
return err;
}
int
wi_read_record_usb(struct wi_softc *wsc, struct wi_ltv_gen *ltv)
{
struct wi_usb_chain *c;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
struct wi_rridreq *prid;
int total_len, rnd_len;
int err;
struct wi_ltv_gen *oltv, p2ltv;
DPRINTFN(5,("%s: %s: enter rid=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, ltv->wi_type));
/* Do we need to deal with these here, as in _io version?
* WI_RID_ENCRYPTION -> WI_RID_P2_ENCRYPTION
* WI_RID_TX_CRYPT_KEY -> WI_RID_P2_TX_CRYPT_KEY
*/
if (wsc->sc_firmware_type != WI_LUCENT) {
oltv = ltv;
switch (ltv->wi_type) {
case WI_RID_ENCRYPTION:
p2ltv.wi_type = WI_RID_P2_ENCRYPTION;
p2ltv.wi_len = 2;
ltv = &p2ltv;
break;
case WI_RID_TX_CRYPT_KEY:
if (ltv->wi_val > WI_NLTV_KEYS)
return (EINVAL);
p2ltv.wi_type = WI_RID_P2_TX_CRYPT_KEY;
p2ltv.wi_len = 2;
ltv = &p2ltv;
break;
}
}
wi_usb_tx_lock(sc);
c = &sc->wi_usb_tx_chain[0];
prid = c->wi_usb_buf;
total_len = sizeof(struct wi_rridreq);
rnd_len = ROUNDUP64(total_len);
if (rnd_len > WI_USB_BUFSZ) {
printf("read_record buf size err %x %x\n",
rnd_len, WI_USB_BUFSZ);
return EIO;
}
sc->ridltv = ltv;
sc->ridresperr = 0;
prid->type = htole16(WI_USB_RRIDREQ);
prid->frmlen = htole16(2); /* variable size? */
prid->rid = htole16(ltv->wi_type);
bzero(((char*)prid)+total_len, rnd_len - total_len);
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_TX],
c, c->wi_usb_buf, rnd_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
WI_USB_TX_TIMEOUT, wi_usb_txeof);
DPRINTFN(10,("%s: %s: total_len=%x, wilen %d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, total_len, ltv->wi_len));
err = wi_usb_do_transmit_sync(sc, c, &sc->ridresperr);
/* Do we need to deal with these here, as in _io version?
*
* WI_RID_TX_RATE
* WI_RID_CUR_TX_RATE
* WI_RID_ENCRYPTION
* WI_RID_TX_CRYPT_KEY
* WI_RID_CNFAUTHMODE
*/
if (ltv->wi_type == WI_RID_PORTTYPE && wsc->wi_ptype == WI_PORTTYPE_IBSS
&& ltv->wi_val == wsc->wi_ibss_port) {
/*
* Convert vendor IBSS port type to WI_PORTTYPE_IBSS.
* Since Lucent uses port type 1 for BSS *and* IBSS we
* have to rely on wi_ptype to distinguish this for us.
*/
ltv->wi_val = htole16(WI_PORTTYPE_IBSS);
} else if (wsc->sc_firmware_type != WI_LUCENT) {
int v;
switch (oltv->wi_type) {
case WI_RID_TX_RATE:
case WI_RID_CUR_TX_RATE:
switch (letoh16(ltv->wi_val)) {
case 1: v = 1; break;
case 2: v = 2; break;
case 3: v = 6; break;
case 4: v = 5; break;
case 7: v = 7; break;
case 8: v = 11; break;
case 15: v = 3; break;
default: v = 0x100 + letoh16(ltv->wi_val); break;
}
oltv->wi_val = htole16(v);
break;
case WI_RID_ENCRYPTION:
oltv->wi_len = 2;
if (ltv->wi_val & htole16(0x01))
oltv->wi_val = htole16(1);
else
oltv->wi_val = htole16(0);
break;
case WI_RID_TX_CRYPT_KEY:
case WI_RID_CNFAUTHMODE:
oltv->wi_len = 2;
oltv->wi_val = ltv->wi_val;
break;
}
}
if (err == 0)
err = sc->ridresperr;
sc->ridresperr = 0;
wi_usb_tx_unlock(sc);
DPRINTFN(5,("%s: %s: exit err=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, err));
return err;
}
int
wi_write_record_usb(struct wi_softc *wsc, struct wi_ltv_gen *ltv)
{
struct wi_usb_chain *c;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
struct wi_wridreq *prid;
int total_len, rnd_len;
int err;
struct wi_ltv_gen p2ltv;
u_int16_t val = 0;
int i;
DPRINTFN(5,("%s: %s: enter rid=%x wi_len %d copying %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, ltv->wi_type, ltv->wi_len,
(ltv->wi_len-1)*2 ));
/* Do we need to deal with these here, as in _io version?
* WI_PORTTYPE_IBSS -> WI_RID_PORTTYPE
* RID_TX_RATE munging
* RID_ENCRYPTION
* WI_RID_TX_CRYPT_KEY
* WI_RID_DEFLT_CRYPT_KEYS
*/
if (ltv->wi_type == WI_RID_PORTTYPE &&
letoh16(ltv->wi_val) == WI_PORTTYPE_IBSS) {
/* Convert WI_PORTTYPE_IBSS to vendor IBSS port type. */
p2ltv.wi_type = WI_RID_PORTTYPE;
p2ltv.wi_len = 2;
p2ltv.wi_val = wsc->wi_ibss_port;
ltv = &p2ltv;
} else if (wsc->sc_firmware_type != WI_LUCENT) {
int v;
switch (ltv->wi_type) {
case WI_RID_TX_RATE:
p2ltv.wi_type = WI_RID_TX_RATE;
p2ltv.wi_len = 2;
switch (letoh16(ltv->wi_val)) {
case 1: v = 1; break;
case 2: v = 2; break;
case 3: v = 15; break;
case 5: v = 4; break;
case 6: v = 3; break;
case 7: v = 7; break;
case 11: v = 8; break;
default: return EINVAL;
}
p2ltv.wi_val = htole16(v);
ltv = &p2ltv;
break;
case WI_RID_ENCRYPTION:
p2ltv.wi_type = WI_RID_P2_ENCRYPTION;
p2ltv.wi_len = 2;
if (ltv->wi_val & htole16(0x01)) {
val = PRIVACY_INVOKED;
/*
* If using shared key WEP we must set the
* EXCLUDE_UNENCRYPTED bit. Symbol cards
* need this bit set even when not using
* shared key. We can't just test for
* IEEE80211_AUTH_SHARED since Symbol cards
* have 2 shared key modes.
*/
if (wsc->wi_authtype != IEEE80211_AUTH_OPEN ||
wsc->sc_firmware_type == WI_SYMBOL)
val |= EXCLUDE_UNENCRYPTED;
switch (wsc->wi_crypto_algorithm) {
case WI_CRYPTO_FIRMWARE_WEP:
/*
* TX encryption is broken in
* Host AP mode.
*/
if (wsc->wi_ptype == WI_PORTTYPE_HOSTAP)
val |= HOST_ENCRYPT;
break;
case WI_CRYPTO_SOFTWARE_WEP:
val |= HOST_ENCRYPT|HOST_DECRYPT;
break;
}
p2ltv.wi_val = htole16(val);
} else
p2ltv.wi_val = htole16(HOST_ENCRYPT | HOST_DECRYPT);
ltv = &p2ltv;
break;
case WI_RID_TX_CRYPT_KEY:
if (ltv->wi_val > WI_NLTV_KEYS)
return (EINVAL);
p2ltv.wi_type = WI_RID_P2_TX_CRYPT_KEY;
p2ltv.wi_len = 2;
p2ltv.wi_val = ltv->wi_val;
ltv = &p2ltv;
break;
case WI_RID_DEFLT_CRYPT_KEYS: {
int error;
int keylen;
struct wi_ltv_str ws;
struct wi_ltv_keys *wk;
wk = (struct wi_ltv_keys *)ltv;
keylen = wk->wi_keys[wsc->wi_tx_key].wi_keylen;
keylen = letoh16(keylen);
for (i = 0; i < 4; i++) {
bzero(&ws, sizeof(ws));
ws.wi_len = (keylen > 5) ? 8 : 4;
ws.wi_type = WI_RID_P2_CRYPT_KEY0 + i;
bcopy(&wk->wi_keys[i].wi_keydat,
ws.wi_str, keylen);
error = wi_write_record_usb(wsc,
(struct wi_ltv_gen *)&ws);
if (error)
return (error);
}
}
return (0);
}
}
wi_usb_tx_lock(sc);
c = &sc->wi_usb_tx_chain[0];
prid = c->wi_usb_buf;
total_len = sizeof(prid->type) + sizeof(prid->frmlen) +
sizeof(prid->rid) + (ltv->wi_len-1)*2;
rnd_len = ROUNDUP64(total_len);
if (rnd_len > WI_USB_BUFSZ) {
printf("write_record buf size err %x %x\n",
rnd_len, WI_USB_BUFSZ);
return EIO;
}
prid->type = htole16(WI_USB_WRIDREQ);
prid->frmlen = htole16(ltv->wi_len);
prid->rid = htole16(ltv->wi_type);
if (ltv->wi_len > 1)
bcopy((u_int8_t *)<v->wi_val, (u_int8_t *)&prid->data[0],
(ltv->wi_len-1)*2);
bzero(((char*)prid)+total_len, rnd_len - total_len);
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_TX],
c, c->wi_usb_buf, rnd_len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY,
WI_USB_TX_TIMEOUT, wi_usb_txeof);
err = wi_usb_do_transmit_sync(sc, c, &sc->ridresperr);
if (err == 0)
err = sc->ridresperr;
sc->ridresperr = 0;
wi_usb_tx_unlock(sc);
DPRINTFN(5,("%s: %s: exit err=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, err));
return err;
}
/*
* This is an ugly compat portion to emulate the I/O which writes
* a packet or management information
* The data is copied into local memory for the requested
* 'id' then on the wi_cmd WI_CMD_TX, the id argument
* will identify which buffer to use
*/
int
wi_alloc_nicmem_usb(struct wi_softc *wsc, int len, int *id)
{
int nmem;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
DPRINTFN(10,("%s: %s: enter len=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, len));
/*
* NOTE THIS IS A USB DEVICE WHICH WILL LIKELY HAVE MANY
* CONNECTS/DISCONNECTS, FREE THIS MEMORY XXX XXX XXX !!! !!!
*/
nmem = sc->wi_usb_nummem++;
if (nmem >= MAX_WI_NMEM) {
sc->wi_usb_nummem--;
return ENOMEM;
}
sc->wi_usb_txmem[nmem] = malloc(len, M_DEVBUF, M_WAITOK);
if (sc->wi_usb_txmem[nmem] == NULL) {
sc->wi_usb_nummem--;
return ENOMEM;
}
sc->wi_usb_txmemsize[nmem] = len;
*id = nmem;
return 0;
}
/*
* this is crazy, we skip the first 16 bits of the buf so that it
* can be used as the 'type' of the usb transfer.
*/
int
wi_write_data_usb(struct wi_softc *wsc, int id, int off, caddr_t buf, int len)
{
u_int8_t *ptr;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
DPRINTFN(10,("%s: %s: id %x off %x len %d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, id, off, len));
if (id < 0 && id >= sc->wi_usb_nummem)
return EIO;
ptr = (u_int8_t *)(sc->wi_usb_txmem[id]) + off;
if (len + off > sc->wi_usb_txmemsize[id])
return EIO;
DPRINTFN(10,("%s: %s: completed \n",
USBDEVNAME(sc->wi_usb_dev), __func__));
bcopy(buf, ptr, len);
return 0;
}
/*
* On the prism I/O, this read_data points to the hardware buffer
* which contains the
*/
int
wi_read_data_usb(struct wi_softc *wsc, int id, int off, caddr_t buf, int len)
{
u_int8_t *ptr;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
DPRINTFN(10,("%s: %s: id %x off %x len %d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, id, off, len));
if (id == 0x1001 && sc->wi_info != NULL)
ptr = (u_int8_t *)sc->wi_info + off;
else if (id == 0x1000 && sc->wi_rxframe != NULL)
ptr = (u_int8_t *)sc->wi_rxframe + off;
else if (id >= 0 && id < sc->wi_usb_nummem) {
if (sc->wi_usb_txmem[id] == NULL)
return EIO;
if (len + off > sc->wi_usb_txmemsize[id])
return EIO;
ptr = (u_int8_t *)(sc->wi_usb_txmem[id]) + off;
} else
return EIO;
if (id < sc->wi_usb_nummem) {
ptr = (u_int8_t *)(sc->wi_usb_txmem[id]) + off;
if (len + off > sc->wi_usb_txmemsize[id])
return EIO;
}
bcopy(ptr, buf, len);
return 0;
}
void
wi_usb_stop(struct wi_usb_softc *sc)
{
DPRINTFN(1,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev),__func__));
/* XXX */
/* Stop transfers */
}
int
wi_usb_do_transmit_sync(struct wi_usb_softc *sc, struct wi_usb_chain *c,
void *ident)
{
usbd_status err;
DPRINTFN(10,("%s: %s:\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
sc->wi_usb_refcnt++;
err = usbd_transfer(c->wi_usb_xfer);
if (err != USBD_IN_PROGRESS && err != USBD_NORMAL_COMPLETION) {
printf("%s: wi_usb_send error=%s\n",
USBDEVNAME(sc->wi_usb_dev), usbd_errstr(err));
/* Stop the interface from process context. */
wi_usb_stop(sc);
err = EIO;
goto done;
}
err = tsleep(ident, PRIBIO, "wiTXsync", hz*1);
if (err) {
DPRINTFN(1,("%s: %s: err %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, err));
err = ETIMEDOUT;
}
done:
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
return err;
}
/*
* A command/rrid/wrid was sent to the chip. It's safe for us to clean up
* the list buffers.
*/
void
wi_usb_txeof(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct wi_usb_chain *c = priv;
struct wi_usb_softc *sc = c->wi_usb_sc;
int s;
if (sc->wi_usb_dying)
return;
s = splnet();
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->wi_usb_dev),
__func__, status));
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
splx(s);
return;
}
printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->wi_usb_dev),
usbd_errstr(status));
if (status == USBD_STALLED) {
sc->wi_usb_refcnt++;
usbd_clear_endpoint_stall(
sc->wi_usb_ep[WI_USB_ENDPT_TX]);
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
}
splx(s);
return;
}
splx(s);
}
/*
* A packet was sent to the chip. It's safe for us to clean up
* the list buffers.
*/
void
wi_usb_txeof_frm(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct wi_usb_chain *c = priv;
struct wi_usb_softc *sc = c->wi_usb_sc;
struct wi_softc *wsc = &sc->sc_wi;
struct ifnet *ifp = &wsc->sc_arpcom.ac_if;
int s;
int err = 0;
if (sc->wi_usb_dying)
return;
s = splnet();
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->wi_usb_dev),
__func__, status));
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
splx(s);
return;
}
printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->wi_usb_dev),
usbd_errstr(status));
if (status == USBD_STALLED) {
sc->wi_usb_refcnt++;
usbd_clear_endpoint_stall(
sc->wi_usb_ep[WI_USB_ENDPT_TX]);
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
}
splx(s);
return;
}
if (status)
err = WI_EV_TX_EXC;
wi_txeof(wsc, err);
wi_usb_tx_unlock(sc);
if (!IFQ_IS_EMPTY(&ifp->if_snd))
wi_start_usb(ifp);
splx(s);
}
int
wi_usb_rx_list_init(struct wi_usb_softc *sc)
{
struct wi_usb_chain *c;
int i;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
for (i = 0; i < WI_USB_RX_LIST_CNT; i++) {
c = &sc->wi_usb_rx_chain[i];
c->wi_usb_sc = sc;
c->wi_usb_idx = i;
if (c->wi_usb_xfer != NULL) {
printf("UGH RX\n");
}
if (c->wi_usb_xfer == NULL) {
c->wi_usb_xfer = usbd_alloc_xfer(sc->wi_usb_udev);
if (c->wi_usb_xfer == NULL)
return (ENOBUFS);
c->wi_usb_buf = usbd_alloc_buffer(c->wi_usb_xfer,
WI_USB_BUFSZ);
if (c->wi_usb_buf == NULL)
return (ENOBUFS); /* XXX free xfer */
}
}
return (0);
}
int
wi_usb_tx_list_init(struct wi_usb_softc *sc)
{
struct wi_usb_chain *c;
int i;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
for (i = 0; i < WI_USB_TX_LIST_CNT; i++) {
c = &sc->wi_usb_tx_chain[i];
c->wi_usb_sc = sc;
c->wi_usb_idx = i;
c->wi_usb_mbuf = NULL;
if (c->wi_usb_xfer != NULL) {
printf("UGH TX\n");
}
if (c->wi_usb_xfer == NULL) {
c->wi_usb_xfer = usbd_alloc_xfer(sc->wi_usb_udev);
if (c->wi_usb_xfer == NULL)
return (ENOBUFS);
c->wi_usb_buf = usbd_alloc_buffer(c->wi_usb_xfer,
WI_USB_BUFSZ);
if (c->wi_usb_buf == NULL)
return (ENOBUFS);
}
}
return (0);
}
int
wi_usb_open_pipes(struct wi_usb_softc *sc)
{
usbd_status err;
int error = 0;
struct wi_usb_chain *c;
int i;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev),__func__));
sc->wi_usb_refcnt++;
/* Open RX and TX pipes. */
err = usbd_open_pipe(sc->wi_usb_iface, sc->wi_usb_ed[WI_USB_ENDPT_RX],
USBD_EXCLUSIVE_USE, &sc->wi_usb_ep[WI_USB_ENDPT_RX]);
if (err) {
printf("%s: open rx pipe failed: %s\n",
USBDEVNAME(sc->wi_usb_dev), usbd_errstr(err));
error = EIO;
goto done;
}
err = usbd_open_pipe(sc->wi_usb_iface, sc->wi_usb_ed[WI_USB_ENDPT_TX],
USBD_EXCLUSIVE_USE, &sc->wi_usb_ep[WI_USB_ENDPT_TX]);
if (err) {
printf("%s: open tx pipe failed: %s\n",
USBDEVNAME(sc->wi_usb_dev), usbd_errstr(err));
error = EIO;
goto done;
}
/* is this used? */
err = usbd_open_pipe_intr(sc->wi_usb_iface,
sc->wi_usb_ed[WI_USB_ENDPT_INTR], USBD_EXCLUSIVE_USE,
&sc->wi_usb_ep[WI_USB_ENDPT_INTR], sc, &sc->wi_usb_ibuf,
WI_USB_INTR_PKTLEN, wi_usb_intr, WI_USB_INTR_INTERVAL);
if (err) {
printf("%s: open intr pipe failed: %s\n",
USBDEVNAME(sc->wi_usb_dev), usbd_errstr(err));
error = EIO;
goto done;
}
/* Start up the receive pipe. */
for (i = 0; i < WI_USB_RX_LIST_CNT; i++) {
c = &sc->wi_usb_rx_chain[i];
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_RX],
c, c->wi_usb_buf, WI_USB_BUFSZ,
USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT,
wi_usb_rxeof);
DPRINTFN(10,("%s: %s: start read\n", USBDEVNAME(sc->wi_usb_dev),
__func__));
usbd_transfer(c->wi_usb_xfer);
}
done:
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
return (error);
}
/*
* This is a bit of a kludge, however wi_rxeof and wi_update_stats
* call wi_get_fid to determine where the data associated with
* the transaction is located, the returned id is then used to
* wi_read_data the information out.
*
* This code returns which 'fid' should be used. The results are only valid
* during a wi_usb_rxeof because the data is received packet is 'held'
* an a variable for reading by wi_read_data_usb for that period.
*
* for magic numbers this uses 0x1000, 0x1001 for rx/info
*/
int
wi_get_fid_usb(struct wi_softc *sc, int fid)
{
switch (fid) {
case WI_RX_FID:
return 0x1000;
case WI_INFO_FID:
return 0x1001;
default:
return 0x1111;
}
}
int
wi_usb_activate(device_ptr_t self, enum devact act)
{
struct wi_usb_softc *sc = (struct wi_usb_softc *)self;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
break;
case DVACT_DEACTIVATE:
if_deactivate(&sc->sc_wi.wi_ec.ec_if);
sc->wi_usb_dying = 1;
sc->wi_thread_info->dying = 1;
break;
}
return (0);
}
#if 0
void
wi_dump_data(void *buffer, int len)
{
int i;
for (i = 0; i < len; i++) {
if (((i) % 16) == 0)
printf("\n %02x:", i);
printf(" %02x",
((uint8_t *)(buffer))[i]);
}
printf("\n");
}
#endif
/*
* A frame has been received.
*/
void
wi_usb_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct wi_usb_chain *c = priv;
struct wi_usb_softc *sc = c->wi_usb_sc;
wi_usb_usbin *uin;
int total_len = 0;
u_int16_t rtype;
if (sc->wi_usb_dying)
return;
DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->wi_usb_dev),
__func__, status));
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_IOERROR
|| status == USBD_CANCELLED) {
printf("%s: %u usb errors on rx: %s\n",
USBDEVNAME(sc->wi_usb_dev), 1,
/* sc->wi_usb_rx_errs, */
usbd_errstr(status));
return;
}
#if 0
sc->wi_usb_rx_errs++;
if (usbd_ratecheck(&sc->wi_usb_rx_notice)) {
printf("%s: %u usb errors on rx: %s\n",
USBDEVNAME(sc->wi_usb_dev), sc->wi_usb_rx_errs,
usbd_errstr(status));
sc->wi_usb_rx_errs = 0;
}
#endif
if (status == USBD_STALLED) {
sc->wi_usb_refcnt++;
usbd_clear_endpoint_stall(
sc->wi_usb_ep[WI_USB_ENDPT_RX]);
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
}
goto done;
}
usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
if (total_len < 6) /* short XXX */
goto done;
uin = (wi_usb_usbin *)(c->wi_usb_buf);
rtype = letoh16(uin->type);
#if 0
wi_dump_data(c->wi_usb_buf, total_len);
#endif
if (WI_USB_ISRXFRM(rtype)) {
wi_usb_rxfrm(sc, uin, total_len);
goto done;
}
if (WI_USB_ISTXFRM(rtype)) {
DPRINTFN(2,("%s: %s: txfrm type %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rtype));
wi_usb_txfrm(sc, uin, total_len);
goto done;
}
switch (rtype) {
case WI_USB_INFOFRM:
/* info packet, INFO_FID hmm */
DPRINTFN(10,("%s: %s: infofrm type %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rtype));
wi_usb_infofrm(c, total_len);
break;
case WI_USB_CMDRESP:
wi_usb_cmdresp(c);
break;
case WI_USB_WRIDRESP:
wi_usb_wridresp(c);
break;
case WI_USB_RRIDRESP:
wi_usb_rridresp(c);
break;
case WI_USB_WMEMRESP:
/* Not currently used */
DPRINTFN(2,("%s: %s: wmemresp type %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rtype));
break;
case WI_USB_RMEMRESP:
/* Not currently used */
DPRINTFN(2,("%s: %s: rmemresp type %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rtype));
break;
case WI_USB_BUFAVAIL:
printf("wi_usb: received USB_BUFAVAIL packet\n"); /* XXX */
break;
case WI_USB_ERROR:
printf("wi_usb: received USB_ERROR packet\n"); /* XXX */
break;
#if 0
default:
printf("wi_usb: received Unknown packet 0x%x len %x\n",
rtype, total_len);
wi_dump_data(c->wi_usb_buf, total_len);
#endif
}
done:
/* Setup new transfer. */
usbd_setup_xfer(c->wi_usb_xfer, sc->wi_usb_ep[WI_USB_ENDPT_RX],
c, c->wi_usb_buf, WI_USB_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY,
USBD_NO_TIMEOUT, wi_usb_rxeof);
sc->wi_usb_refcnt++;
usbd_transfer(c->wi_usb_xfer);
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->wi_usb_dev),
__func__));
}
void
wi_usb_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct wi_usb_softc *sc = priv;
DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
if (sc->wi_usb_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
if (status == USBD_STALLED) {
sc->wi_usb_refcnt++;
usbd_clear_endpoint_stall(
sc->wi_usb_ep[WI_USB_ENDPT_RX]);
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
}
return;
}
/* XXX oerrors or collisions? */
}
void
wi_usb_cmdresp(struct wi_usb_chain *c)
{
struct wi_cmdresp *presp = (struct wi_cmdresp *)(c->wi_usb_buf);
u_int16_t status = letoh16(presp->status);
struct wi_usb_softc *sc = c->wi_usb_sc;
uint16_t type;
uint16_t cmdresperr;
type = htole16(presp->type);
cmdresperr = letoh16(presp->resp0);
DPRINTFN(10,("%s: %s: enter rid=%x status %x %x %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, type, status, sc->cmdresp,
cmdresperr));
if (sc->cmdresp != status) {
DPRINTFN(1,("%s:cmd ty %x st %x cmd %x failed %x\n",
USBDEVNAME(sc->wi_usb_dev),
type, status, sc->cmdresp, cmdresperr));
return;
}
if ((cmdresperr != 0) && ((sc->cmdresp == WI_CMD_INQUIRE) ||
(sc->cmdresp == WI_CMD_DISABLE)) ) {
/*
* For some reason MA111 does not like info frame requests,
* or some DISABLES
* It responds to the request with the info
* but it claims the request failed
* reset the error code.
*/
cmdresperr = 0;
}
if (cmdresperr != 0) {
DPRINTFN(1,("%s:cmd ty %x st %x cmd %x failed %x\n",
USBDEVNAME(sc->wi_usb_dev),
type, status, sc->cmdresp, cmdresperr));
}
sc->cmdresperr = cmdresperr;
sc->cmdresp = 0; /* good value for idle == INI ?? XXX */
wakeup(&sc->cmdresperr);
}
void
wi_usb_rridresp(struct wi_usb_chain *c)
{
struct wi_rridresp *presp = (struct wi_rridresp *)(c->wi_usb_buf);
u_int16_t frmlen = letoh16(presp->frmlen);
struct wi_usb_softc *sc = c->wi_usb_sc;
struct wi_ltv_gen *ltv;
uint16_t rid;
rid = letoh16(presp->rid);
ltv = sc->ridltv;
if (ltv == 0) {
DPRINTFN(5,("%s: %s: enter ltv = 0 rid=%x len %d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rid,
frmlen));
return;
}
DPRINTFN(5,("%s: %s: enter rid=%x expecting %x len %d exptlen %d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, rid, ltv->wi_type,
frmlen, ltv->wi_len));
rid = letoh16(presp->rid);
if (rid != ltv->wi_type) {
sc->ridresperr = EIO;
return;
}
/* XXX */
if (rid == WI_RID_DATA_RATES)
frmlen = 2;
if (frmlen > ltv->wi_len) {
sc->ridresperr = ENOSPC;
sc->ridltv = 0;
wakeup(&sc->ridresperr);
return;
}
ltv->wi_len = frmlen;
DPRINTFN(10,("%s: %s: copying %x frmlen %d s %x d %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, (ltv->wi_len-1)*2,
frmlen));
if (ltv->wi_len > 1)
bcopy(&presp->data[0], (u_int8_t *)<v->wi_val,
(ltv->wi_len-1)*2);
sc->ridresperr = 0;
sc->ridltv = 0;
wakeup(&sc->ridresperr);
}
void
wi_usb_wridresp(struct wi_usb_chain *c)
{
struct wi_wridresp *presp = (struct wi_wridresp *)(c->wi_usb_buf);
struct wi_usb_softc *sc = c->wi_usb_sc;
uint16_t status;
status = letoh16(presp->status);
DPRINTFN(10,("%s: %s: enter status=%x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, status));
sc->ridresperr = status;
sc->ridltv = 0;
wakeup(&sc->ridresperr);
}
void
wi_usb_infofrm(struct wi_usb_chain *c, int len)
{
struct wi_usb_softc *sc = c->wi_usb_sc;
DPRINTFN(10,("%s: %s: enter\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
sc->wi_info = ((char *)c->wi_usb_buf) + 2;
wi_update_stats(&sc->sc_wi);
sc->wi_info = NULL;
}
void
wi_usb_txfrm(struct wi_usb_softc *sc, wi_usb_usbin *uin, int total_len)
{
u_int16_t status;
int s;
struct wi_softc *wsc = &sc->sc_wi;
struct ifnet *ifp = &wsc->sc_arpcom.ac_if;
s = splnet();
status = letoh16(uin->type); /* XXX -- type == status */
DPRINTFN(2,("%s: %s: enter status=%d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, status));
if (sc->txresp == WI_CMD_TX) {
sc->txresperr=status;
sc->txresp = 0;
wakeup(&sc->txresperr);
} else {
if (status != 0) /* XXX */
wi_watchdog_usb(ifp);
DPRINTFN(1,("%s: %s: txresp not expected status=%d \n",
USBDEVNAME(sc->wi_usb_dev), __func__, status));
}
splx(s);
}
void
wi_usb_rxfrm(struct wi_usb_softc *sc, wi_usb_usbin *uin, int total_len)
{
int s;
DPRINTFN(5,("%s: %s: enter len=%d\n",
USBDEVNAME(sc->wi_usb_dev), __func__, total_len));
s = splnet();
sc->wi_rxframe = (void *)uin;
wi_rxeof(&sc->sc_wi);
sc->wi_rxframe = NULL;
splx(s);
}
void
wi_usb_start_thread(void *arg)
{
struct wi_usb_softc *sc = arg;
kthread_create (wi_usb_thread, arg, NULL, USBDEVNAME(sc->wi_usb_dev));
}
void
wi_start_usb(struct ifnet *ifp)
{
struct wi_softc *wsc;
struct wi_usb_softc *sc;
int s;
wsc = ifp->if_softc;
sc = wsc->wi_usb_cdata;
s = splimp();
DPRINTFN(5,("%s: %s:\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
if (wi_usb_tx_lock_try(sc)) {
/* lock acquired do start now */
wi_func_io.f_start(ifp);
} else {
sc->wi_thread_info->status |= WI_START;
if (sc->wi_thread_info->idle)
wakeup (sc->wi_thread_info);
}
splx(s);
}
/*
* inquire is called from interrupt context (timeout)
* It is not possible to sleep in interrupt context so it is necessary
* to signal the kernel thread to perform the action.
*/
void
wi_init_usb(struct wi_softc *wsc)
{
DPRINTFN(5,("%s: %s:\n", WI_PRT_ARG(wsc), __func__));
wi_usb_ctl_lock(wsc->wi_usb_cdata);
wi_func_io.f_init(wsc);
wi_usb_ctl_unlock(wsc->wi_usb_cdata);
}
/*
* inquire is called from interrupt context (timeout)
* It is not possible to sleep in interrupt context so it is necessary
* to signal the kernel thread to perform the action.
*/
void
wi_inquire_usb(void *xsc)
{
struct wi_softc *wsc = xsc;
struct wi_usb_softc *sc = wsc->wi_usb_cdata;
int s;
s = splimp();
DPRINTFN(2,("%s: %s:\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
sc->wi_thread_info->status |= WI_INQUIRE;
if (sc->wi_thread_info->idle)
wakeup (sc->wi_thread_info);
splx(s);
}
/*
* Watchdog is normally called from interrupt context (timeout)
* It is not possible to sleep in interrupt context so it is necessary
* to signal the kernel thread to perform the action.
*/
void
wi_watchdog_usb(struct ifnet *ifp)
{
struct wi_softc *wsc;
struct wi_usb_softc *sc;
int s;
wsc = ifp->if_softc;
sc = wsc->wi_usb_cdata;
s = splimp();
DPRINTFN(5,("%s: %s: ifp %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__, ifp));
sc->wi_thread_info->status |= WI_WATCHDOG;
if (sc->wi_thread_info->idle)
wakeup (sc->wi_thread_info);
splx(s);
}
/*
* ioctl will always be called from a user context,
* therefore is is possible to sleep in the calling context
* acquire the lock and call the real ioctl fucntion directly
*/
int
wi_ioctl_usb(struct ifnet *ifp, u_long command, caddr_t data)
{
struct wi_softc *wsc;
int err;
wsc = ifp->if_softc;
wi_usb_ctl_lock(wsc->wi_usb_cdata);
err = wi_func_io.f_ioctl(ifp, command, data);
wi_usb_ctl_unlock(wsc->wi_usb_cdata);
return err;
}
void
wi_usb_thread(void *arg)
{
struct wi_usb_softc *sc = arg;
struct wi_usb_thread_info *wi_thread_info;
int s;
wi_thread_info = malloc(sizeof(*wi_thread_info), M_DEVBUF, M_WAITOK);
/*
* is there a remote possibility that the device could
* be removed before the kernel thread starts up?
*/
sc->wi_usb_refcnt++;
sc->wi_thread_info = wi_thread_info;
wi_thread_info->dying = 0;
wi_thread_info->status = 0;
wi_usb_ctl_lock(sc);
wi_attach(&sc->sc_wi, &wi_func_usb);
wi_usb_ctl_unlock(sc);
for(;;) {
if (wi_thread_info->dying) {
if (--sc->wi_usb_refcnt < 0)
usb_detach_wakeup(USBDEV(sc->wi_usb_dev));
kthread_exit(0);
}
DPRINTFN(5,("%s: %s: dying %x status %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__,
wi_thread_info->dying, wi_thread_info->status));
wi_usb_ctl_lock(sc);
DPRINTFN(5,("%s: %s: starting %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__,
wi_thread_info->status));
s = splusb();
if (wi_thread_info->status & WI_START) {
wi_thread_info->status &= ~WI_START;
wi_usb_tx_lock(sc);
wi_func_io.f_start(&sc->sc_wi.sc_arpcom.ac_if);
/*
* tx_unlock is explictly missing here
* is is done in txeof_frm
*/
} else if (wi_thread_info->status & WI_INQUIRE) {
wi_thread_info->status &= ~WI_INQUIRE;
wi_func_io.f_inquire(&sc->sc_wi);
} else if (wi_thread_info->status & WI_WATCHDOG) {
wi_thread_info->status &= ~WI_WATCHDOG;
wi_func_io.f_watchdog( &sc->sc_wi.sc_arpcom.ac_if);
}
splx(s);
DPRINTFN(5,("%s: %s: ending %x\n",
USBDEVNAME(sc->wi_usb_dev), __func__,
wi_thread_info->status));
wi_usb_ctl_unlock(sc);
if (wi_thread_info->status == 0) {
s = splimp();
wi_thread_info->idle = 1;
tsleep(wi_thread_info, PRIBIO, "wiIDL", 0);
wi_thread_info->idle = 0;
splx(s);
}
}
}
int
wi_usb_tx_lock_try(struct wi_usb_softc *sc)
{
int s;
s = splimp(); /* right priority? */
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
if (sc->wi_lock != 0) {
return 0; /* failed to aquire lock */
}
sc->wi_lock = 1;
splx(s);
return 1;
}
void
wi_usb_tx_lock(struct wi_usb_softc *sc)
{
int s;
s = splimp(); /* right priority? */
again:
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
if (sc->wi_lock != 0) {
sc->wi_lockwait++;
DPRINTFN(10,("%s: %s: busy %d\n", USBDEVNAME(sc->wi_usb_dev),
__func__, sc->wi_lockwait ));
tsleep(&sc->wi_lock, PRIBIO, "witxl", 0);
}
if (sc->wi_lock != 0)
goto again;
sc->wi_lock = 1;
splx(s);
return;
}
void
wi_usb_tx_unlock(struct wi_usb_softc *sc)
{
int s;
s = splimp(); /* right priority? */
sc->wi_lock = 0;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
if (sc->wi_lockwait) {
DPRINTFN(10,("%s: %s: waking\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
sc->wi_lockwait = 0;
wakeup(&sc->wi_lock);
}
splx(s);
}
void
wi_usb_ctl_lock(struct wi_usb_softc *sc)
{
int s;
s = splimp(); /* right priority? */
again:
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev),
__func__));
if (sc->wi_ctllock != 0) {
if (curproc == sc->wi_curproc) {
/* allow recursion */
sc->wi_ctllock++;
splx(s);
return;
}
sc->wi_ctllockwait++;
DPRINTFN(10,("%s: %s: busy %d\n", USBDEVNAME(sc->wi_usb_dev),
__func__, sc->wi_ctllockwait ));
tsleep(&sc->wi_ctllock, PRIBIO, "wiusbthr", 0);
}
if (sc->wi_ctllock != 0)
goto again;
sc->wi_ctllock++;
sc->wi_curproc = curproc;
splx(s);
return;
}
void
wi_usb_ctl_unlock(struct wi_usb_softc *sc)
{
int s;
s = splimp(); /* right priority? */
sc->wi_ctllock--;
DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->wi_usb_dev), __func__));
if (sc->wi_ctllock == 0 && sc->wi_ctllockwait) {
DPRINTFN(10,("%s: %s: waking\n",
USBDEVNAME(sc->wi_usb_dev), __func__));
sc->wi_ctllockwait = 0;
sc->wi_curproc = 0;
wakeup(&sc->wi_ctllock);
}
splx(s);
}
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