/* $OpenBSD: if_wi_usb.c,v 1.47 2010/07/02 03:13:42 tedu 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #include #include #include #endif #include #include #include #include #define ROUNDUP64(x) (((x)+63) & ~63) #include #include #if NBPFILTER > 0 #include #endif #include #include #include #include #include #include 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) do { if (wi_usbdebug) printf x; } while (0) #define DPRINTFN(n,x) do { if (wi_usbdebug >= (n)) printf x; } while (0) 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 struct timeout 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 multiple 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_ACCTON, USB_PRODUCT_ACCTON_111 }, 0 }, {{ USB_VENDOR_ACERW, USB_PRODUCT_ACERW_WARPLINK }, 0 }, {{ USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_FREELAN }, 0 }, {{ USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_PRISM_25 }, 0 }, {{ USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_PRISM_25A }, 0 }, {{ USB_VENDOR_ADAPTEC, USB_PRODUCT_ADAPTEC_AWN8020 }, 0 }, {{ USB_VENDOR_AMBIT, USB_PRODUCT_AMBIT_WLAN }, 0 }, {{ USB_VENDOR_ASUSTEK, USB_PRODUCT_ASUSTEK_WL140 }, 0 }, {{ USB_VENDOR_AVERATEC, USB_PRODUCT_AVERATEC_USBWLAN }, 0 }, {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_W100 }, 0 }, {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_W200 }, 0 }, {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_WLANUSB }, 0 }, {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_WLUSB_11_KEY }, 0 }, {{ USB_VENDOR_DELL, USB_PRODUCT_DELL_TM1180 }, 0 }, {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWL120F }, 0 }, {{ USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWL122 }, 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_WUSB11_25 }, 0 }, {{ USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_WUSB12_11 }, 0 }, {{ USB_VENDOR_LINKSYS3, USB_PRODUCT_LINKSYS3_WUSB11V30 }, 0 }, {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_KB11 }, 0 }, {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_KS11G }, 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_PHEENET, USB_PRODUCT_PHEENET_WL503IA }, 0 }, {{ USB_VENDOR_PHEENET, USB_PRODUCT_PHEENET_WM168B }, 0 }, {{ USB_VENDOR_PLANEX, USB_PRODUCT_PLANEX_GW_US11H }, 0 }, {{ USB_VENDOR_SIEMENS, USB_PRODUCT_SIEMENS_SPEEDSTREAM22 }, 0 }, {{ USB_VENDOR_SITECOM2, USB_PRODUCT_SITECOM2_WL022 }, 0 }, {{ USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_0193 }, 0 }, {{ USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_ZYAIR_B200 }, 0 }, {{ USB_VENDOR_USR, USB_PRODUCT_USR_USR1120 }, 0 }, {{ USB_VENDOR_VIEWSONIC, USB_PRODUCT_VIEWSONIC_AIRSYNC }, 0 }, {{ USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XI725 }, 0 }, {{ USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XI735 }, 0 } }; #define wi_usb_lookup(v, p) ((struct wi_usb_type *)usb_lookup(wi_usb_devs, v, p)) int wi_usb_match(struct device *, void *, void *); void wi_usb_attach(struct device *, struct device *, void *); int wi_usb_detach(struct device *, int); int wi_usb_activate(struct device *, int); struct cfdriver wi_usb_cd = { NULL, "wi_usb", DV_IFNET }; const struct cfattach wi_usb_ca = { sizeof(struct wi_usb_softc), wi_usb_match, wi_usb_attach, wi_usb_detach, wi_usb_activate, }; int wi_usb_match(struct device *parent, void *match, void *aux) { struct usb_attach_arg *uaa = aux; 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. */ void wi_usb_attach(struct device *parent, struct device *self, void *aux) { struct wi_usb_softc *sc = (struct wi_usb_softc *)self; struct usb_attach_arg *uaa = aux; /* 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", sc->wi_usb_dev.dv_xname); return; } /* XXX - any tasks? */ err = usbd_device2interface_handle(dev, WI_USB_IFACE_IDX, &iface); if (err) { printf("%s: getting interface handle failed\n", sc->wi_usb_dev.dv_xname); 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", sc->wi_usb_dev.dv_xname, i); 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", sc->wi_usb_dev.dv_xname); return; } if (wi_usb_tx_list_init(sc)) { printf("%s: tx list init failed\n", sc->wi_usb_dev.dv_xname); return; } if (wi_usb_open_pipes(sc)){ printf("%s: open pipes failed\n", sc->wi_usb_dev.dv_xname); return; } sc->wi_usb_attached = 1; kthread_create_deferred(wi_usb_start_thread, sc); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->wi_usb_udev, &sc->wi_usb_dev); } int wi_usb_detach(struct device *self, int flags) { struct wi_usb_softc *sc = (struct wi_usb_softc *)self; struct ifnet *ifp = WI_GET_IFP(sc); struct wi_softc *wsc = &sc->sc_wi; int s; int err; 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(); /* detach wi */ if (!(wsc->wi_flags & WI_FLAGS_ATTACHED)) { printf("%s: already detached\n", sc->wi_usb_dev.dv_xname); 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(&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) { err = usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_INTR]); if (err) { printf("%s: abort intr pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } err = usbd_close_pipe(sc->wi_usb_ep[WI_USB_ENDPT_INTR]); if (err) { printf("%s: close intr pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } sc->wi_usb_ep[WI_USB_ENDPT_INTR] = NULL; } if (sc->wi_usb_ep[WI_USB_ENDPT_TX] != NULL) { err = usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_TX]); if (err) { printf("%s: abort tx pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } err = usbd_close_pipe(sc->wi_usb_ep[WI_USB_ENDPT_TX]); if (err) { printf("%s: close tx pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } sc->wi_usb_ep[WI_USB_ENDPT_TX] = NULL; } if (sc->wi_usb_ep[WI_USB_ENDPT_RX] != NULL) { err = usbd_abort_pipe(sc->wi_usb_ep[WI_USB_ENDPT_RX]); if (err) { printf("%s: abort rx pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } err = usbd_close_pipe(sc->wi_usb_ep[WI_USB_ENDPT_RX]); if (err) { printf("%s: close rx pipe failed: %s\n", sc->wi_usb_dev.dv_xname, usbd_errstr(err)); } sc->wi_usb_ep[WI_USB_ENDPT_RX] = NULL; } splx(s); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->wi_usb_udev, &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", sc->wi_usb_dev.dv_xname, __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); 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", sc->wi_usb_dev.dv_xname, __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: %s: error=%s\n", sc->wi_usb_dev.dv_xname, __func__, 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", sc->wi_usb_dev.dv_xname, __func__, err)); err_ret: return err; } printf("%s:%s: invalid packet id sent %x\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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); 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", sc->wi_usb_dev.dv_xname, __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 = NULL, p2ltv; DPRINTFN(5,("%s: %s: enter rid=%x\n", sc->wi_usb_dev.dv_xname, __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); wi_usb_tx_unlock(sc); 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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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); wi_usb_tx_unlock(sc); 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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname,__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", sc->wi_usb_dev.dv_xname, __func__)); sc->wi_usb_refcnt++; err = usbd_transfer(c->wi_usb_xfer); if (err != USBD_IN_PROGRESS && err != USBD_NORMAL_COMPLETION) { printf("%s: %s error=%s\n", sc->wi_usb_dev.dv_xname, __func__, 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", sc->wi_usb_dev.dv_xname, __func__, err)); err = ETIMEDOUT; } done: if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, usbd_errstr(status)); if (status == USBD_STALLED) { sc->wi_usb_refcnt++; usbd_clear_endpoint_stall_async( sc->wi_usb_ep[WI_USB_ENDPT_TX]); if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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_ic.ic_if; int s; int err = 0; if (sc->wi_usb_dying) return; s = splnet(); DPRINTFN(10,("%s: %s: enter status=%d\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, usbd_errstr(status)); if (status == USBD_STALLED) { sc->wi_usb_refcnt++; usbd_clear_endpoint_stall_async( sc->wi_usb_ep[WI_USB_ENDPT_TX]); if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname,__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", sc->wi_usb_dev.dv_xname, 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", sc->wi_usb_dev.dv_xname, 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", sc->wi_usb_dev.dv_xname, 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", sc->wi_usb_dev.dv_xname, __func__)); usbd_transfer(c->wi_usb_xfer); } done: if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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(struct device *self, int act) { struct wi_usb_softc *sc = (struct wi_usb_softc *)self; DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __func__)); switch (act) { case DVACT_ACTIVATE: break; case DVACT_DEACTIVATE: 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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, 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", sc->wi_usb_dev.dv_xname, 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_async( sc->wi_usb_ep[WI_USB_ENDPT_RX]); if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __func__, rtype)); break; case WI_USB_RMEMRESP: /* Not currently used */ DPRINTFN(2,("%s: %s: rmemresp type %x\n", sc->wi_usb_dev.dv_xname, __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(&sc->wi_usb_dev); DPRINTFN(10,("%s: %s: start rx\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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_async( sc->wi_usb_ep[WI_USB_ENDPT_RX]); if (--sc->wi_usb_refcnt < 0) usb_detach_wakeup(&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 type=%x, status=%x, cmdresp=%x, " "resp=%x,%x,%x\n", sc->wi_usb_dev.dv_xname, __func__, type, status, sc->cmdresp, cmdresperr, letoh16(presp->resp1), letoh16(presp->resp2))); /* XXX */ if (sc->cmdresp != (status & WI_STAT_CMD_CODE)) { DPRINTFN(1,("%s: cmd ty %x st %x cmd %x failed %x\n", sc->wi_usb_dev.dv_xname, type, status, sc->cmdresp, cmdresperr)); return; } sc->cmdresperr = (status & WI_STAT_CMD_RESULT) >> 8; 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", sc->wi_usb_dev.dv_xname, __func__, rid, frmlen)); return; } DPRINTFN(5,("%s: %s: enter rid=%x expecting %x len %d exptlen %d\n", sc->wi_usb_dev.dv_xname, __func__, rid, ltv->wi_type, frmlen, ltv->wi_len)); rid = letoh16(presp->rid); if (rid != ltv->wi_type) { sc->ridresperr = EIO; return; } if (frmlen > ltv->wi_len) { sc->ridresperr = ENOSPC; sc->ridltv = 0; wakeup(&sc->ridresperr); return; } ltv->wi_len = frmlen; DPRINTFN(10,("%s: %s: copying %d frmlen %d\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __func__, status)); sc->ridresperr = (status & WI_STAT_CMD_RESULT) >> 8; 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", sc->wi_usb_dev.dv_xname, __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_ic.ic_if; s = splnet(); status = letoh16(uin->type); /* XXX -- type == status */ DPRINTFN(2,("%s: %s: enter status=%d\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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, sc->wi_usb_dev.dv_xname); } 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 = splnet(); DPRINTFN(5,("%s: %s:\n", sc->wi_usb_dev.dv_xname, __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 = splnet(); DPRINTFN(2,("%s: %s:\n", sc->wi_usb_dev.dv_xname, __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 = splnet(); DPRINTFN(5,("%s: %s: ifp %x\n", sc->wi_usb_dev.dv_xname, __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 it 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(&sc->wi_usb_dev); kthread_exit(0); } DPRINTFN(5,("%s: %s: dying %x status %x\n", sc->wi_usb_dev.dv_xname, __func__, wi_thread_info->dying, wi_thread_info->status)); wi_usb_ctl_lock(sc); DPRINTFN(5,("%s: %s: starting %x\n", sc->wi_usb_dev.dv_xname, __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_ic.ic_if); /* * tx_unlock is explicitly missing here * it 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_ic.ic_if); } splx(s); DPRINTFN(5,("%s: %s: ending %x\n", sc->wi_usb_dev.dv_xname, __func__, wi_thread_info->status)); wi_usb_ctl_unlock(sc); if (wi_thread_info->status == 0) { s = splnet(); 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 = splnet(); DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __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 = splnet(); again: DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __func__)); if (sc->wi_lock != 0) { sc->wi_lockwait++; DPRINTFN(10,("%s: %s: busy %d\n", sc->wi_usb_dev.dv_xname, __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 = splnet(); sc->wi_lock = 0; DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __func__)); if (sc->wi_lockwait) { DPRINTFN(10,("%s: %s: waking\n", sc->wi_usb_dev.dv_xname, __func__)); sc->wi_lockwait = 0; wakeup(&sc->wi_lock); } splx(s); } void wi_usb_ctl_lock(struct wi_usb_softc *sc) { int s; s = splnet(); again: DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __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", sc->wi_usb_dev.dv_xname, __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 = splnet(); sc->wi_ctllock--; DPRINTFN(10,("%s: %s: enter\n", sc->wi_usb_dev.dv_xname, __func__)); if (sc->wi_ctllock == 0 && sc->wi_ctllockwait) { DPRINTFN(10,("%s: %s: waking\n", sc->wi_usb_dev.dv_xname, __func__)); sc->wi_ctllockwait = 0; sc->wi_curproc = 0; wakeup(&sc->wi_ctllock); } splx(s); }