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-rw-r--r--sys/dev/usb/files.usb7
-rw-r--r--sys/dev/usb/if_atu.c3596
-rw-r--r--sys/dev/usb/if_atureg.h723
3 files changed, 4325 insertions, 1 deletions
diff --git a/sys/dev/usb/files.usb b/sys/dev/usb/files.usb
index e0ef61ecdcc..a8cb26f3576 100644
--- a/sys/dev/usb/files.usb
+++ b/sys/dev/usb/files.usb
@@ -1,4 +1,4 @@
-# $OpenBSD: files.usb,v 1.37 2004/10/05 02:01:18 jsg Exp $
+# $OpenBSD: files.usb,v 1.38 2004/11/08 22:09:11 dlg Exp $
# $NetBSD: files.usb,v 1.16 2000/02/14 20:29:54 augustss Exp $
#
# Config file and device description for machine-independent USB code.
@@ -207,3 +207,8 @@ file dev/usb/usscanner.c usscanner
# Prism3 WI @ USB
attach wi at uhub with wi_usb
file dev/usb/if_wi_usb.c wi_usb
+
+# Atmel AT76c503 / AT76c503a / AT76c505 / AT76c505a @ USB
+device atu
+attach atu at uhub
+file dev/usb/if_atu.c atu
diff --git a/sys/dev/usb/if_atu.c b/sys/dev/usb/if_atu.c
new file mode 100644
index 00000000000..ab8ff8823f3
--- /dev/null
+++ b/sys/dev/usb/if_atu.c
@@ -0,0 +1,3596 @@
+/* $OpenBSD: if_atu.c,v 1.1 2004/11/08 22:09:11 dlg Exp $ */
+/*
+ * Copyright (c) 2003, 2004
+ * Daan Vreeken <Danovitsch@Vitsch.net>. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Daan Vreeken.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Daan Vreeken AND CONTRIBUTORS ``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 Daan Vreeken OR THE VOICES IN HIS HEAD
+ * 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.
+ */
+
+/*
+ * Atmel AT76c503 / AT76c503a / AT76c505 / AT76c505a USB WLAN driver
+ * version 0.5 - 2004-08-03
+ *
+ * Originally written by Daan Vreeken <Danovitsch @ Vitsch . net>
+ * http://vitsch.net/bsd/atu
+ *
+ * Contributed to by :
+ * Chris Whitehouse, Alistair Phillips, Peter Pilka, Martijn van Buul,
+ * Suihong Liang, Arjan van Leeuwen, Stuart Walsh
+ *
+ * Ported to OpenBSD by Theo de Raadt and David Gwynne.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/lock.h>
+#include <sys/mbuf.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+#include <sys/socket.h>
+
+#include <sys/sockio.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+
+#include "bpfilter.h"
+#define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m))
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#endif
+
+#include <sys/ucred.h>
+#include <sys/kthread.h>
+#include <sys/queue.h>
+#include <machine/bus.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdivar.h>
+#if 0
+#include <dev/usb/usb_ethersubr.h>
+#endif
+
+#if 0
+#include <dev/ic/anreg.h>
+#endif
+
+#include <dev/usb/usbdevs.h>
+
+#include <dev/ic/if_wi_ieee.h>
+
+#include <net80211/ieee80211.h>
+#include <net80211/ieee80211_ioctl.h>
+#include <net80211/ieee80211_radiotap.h>
+#include <net80211/ieee80211_var.h>
+
+#include <dev/usb/if_atureg.h>
+
+#include <dev/microcode/atmel/atuwi_rfmd_fw.h>
+#include <dev/microcode/atmel/atuwi_rfmd2958_fw.h>
+#include <dev/microcode/atmel/atuwi_rfmd2958-smc_fw.h>
+#include <dev/microcode/atmel/atuwi_intersil_fw.h>
+
+#ifdef USB_DEBUG
+#define ATU_DEBUG
+#endif
+
+#ifdef ATU_DEBUG
+#define DPRINTF(x) do { if (atudebug) printf x; } while (0)
+#define DPRINTFN(n,x) do { if (atudebug>(n)) printf x; } while (0)
+int atudebug = 1;
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n,x)
+#endif
+
+USB_DECLARE_DRIVER_CLASS(atu, DV_IFNET);
+
+/*
+ * Various supported device vendors/products/radio type.
+ */
+struct atu_type atu_devs[] = {
+ { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_BW002,
+ RadioRFMD, ATU_NO_QUIRK },
+ { USB_VENDOR_LEXAR, USB_PRODUCT_LEXAR_2662WAR,
+ RadioRFMD, ATU_NO_QUIRK },
+ { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_WUSB11,
+ RadioRFMD, ATU_NO_QUIRK },
+ { USB_VENDOR_NETGEAR2, USB_PRODUCT_NETGEAR2_MA101B,
+ RadioRFMD, ATU_NO_QUIRK },
+ { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL400,
+ RadioRFMD, ATU_NO_QUIRK },
+ { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_WL1130,
+ RadioRFMD2958, ATU_NO_QUIRK },
+ { USB_VENDOR_LINKSYS3, USB_PRODUCT_LINKSYS3_WUSB11V28,
+ RadioRFMD2958, ATU_NO_QUIRK },
+ { USB_VENDOR_AINCOMM, USB_PRODUCT_AINCOMM_AWU2000B,
+ RadioRFMD2958, ATU_NO_QUIRK },
+ /* SMC2662 V.4 */
+ { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505A,
+ RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY },
+ { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_DWL120,
+ RadioIntersil, ATU_NO_QUIRK },
+ { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL300,
+ RadioIntersil, ATU_NO_QUIRK },
+ { 0, 0, 0, 0 }
+};
+
+int atu_newbuf(struct atu_softc *, struct atu_chain *, struct mbuf *);
+int atu_encap(struct atu_softc *sc, struct mbuf *m, struct atu_chain *c);
+void atu_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+void atu_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status);
+void atu_start(struct ifnet *);
+// void atu_rxstart(struct ifnet *);
+void atu_mgmt_loop(void *arg);
+int atu_ioctl(struct ifnet *, u_long, caddr_t);
+void atu_init(void *);
+void atu_stop(struct atu_softc *);
+void atu_watchdog(struct ifnet *);
+void atu_msleep(struct atu_softc *, int);
+usbd_status atu_usb_request(struct atu_softc *sc, u_int8_t type,
+ u_int8_t request, u_int16_t value, u_int16_t index, u_int16_t length,
+ u_int8_t *data);
+int atu_send_command(struct atu_softc *sc, u_int8_t *command,
+ int size);
+int atu_get_cmd_status(struct atu_softc *sc, u_int8_t cmd,
+ u_int8_t *status);
+int atu_wait_completion(struct atu_softc *sc, u_int8_t cmd,
+ u_int8_t *status);
+int atu_send_mib(struct atu_softc *sc, u_int8_t type,
+ u_int8_t size, u_int8_t index, void *data);
+int atu_get_mib(struct atu_softc *sc, u_int8_t type,
+ u_int8_t size, u_int8_t index, u_int8_t *buf);
+int atu_start_ibss(struct atu_softc *sc);
+int atu_start_scan(struct atu_softc *sc);
+int atu_switch_radio(struct atu_softc *sc, int state);
+int atu_initial_config(struct atu_softc *sc);
+int atu_join(struct atu_softc *sc);
+#if 0
+void
+atu_airo_tap(struct atu_softc *sc, u_int8_t *pkt, u_int length,
+ struct at76c503_rx_buffer *at_hdr);
+#endif
+int
+atu_send_packet(struct atu_softc *sc, struct atu_chain *c);
+int atu_send_mgmt_packet(struct atu_softc *sc,
+ struct atu_chain *c, u_int16_t length);
+int atu_authenticate(struct atu_softc *sc);
+int atu_associate(struct atu_softc *sc);
+int8_t atu_get_dfu_state(struct atu_softc *sc);
+u_int8_t atu_get_opmode(struct atu_softc *sc, u_int8_t *mode);
+int atu_upload_internal_firmware(struct atu_softc *sc);
+int atu_upload_external_firmware(struct atu_softc *sc);
+int atu_get_card_config(struct atu_softc *sc);
+int atu_mgmt_state_machine(struct atu_softc *sc);
+int atu_media_change(struct ifnet *ifp);
+void atu_media_status(struct ifnet *ifp, struct ifmediareq *req);
+int atu_xfer_list_init(struct atu_softc *sc, struct atu_chain *ch,
+ int listlen, int need_mbuf, int bufsize, struct atu_list_head *list);
+void atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch,
+ int listlen);
+void atu_print_beacon(struct atu_softc *sc, struct atu_rxpkt *pkt);
+void atu_handle_mgmt_packet(struct atu_softc *sc, struct atu_rxpkt *pkt);
+void atu_print_a_bunch_of_debug_things(struct atu_softc *sc);
+int atu_set_wepkey(struct atu_softc *sc, int nr, u_int8_t *key, int len);
+
+
+void
+atu_msleep(struct atu_softc *sc, int ms)
+{
+ u_int8_t dummy;
+ int ticks;
+
+ usbd_delay_ms(sc->atu_udev, ms);
+ return;
+
+ ticks = ms * hz / 1000;
+ if (ticks == 0)
+ ticks = 1;
+
+ tsleep(&dummy, PZERO | PCATCH, "atus", ms * hz / 1000);
+}
+
+static usbd_status
+atu_reset(struct atu_softc *sc)
+{
+ /* We don't need to actually send the device a reset... */
+#if 0
+ usb_port_status_t stat;
+
+ usbd_reset_port(sc->atu_udev->myhub,
+ sc->atu_udev->powersrc->portno, &stat);
+#endif
+
+ sc->atu_udev->address = USB_START_ADDR;
+ return(0);
+}
+
+usbd_status
+atu_usb_request(struct atu_softc *sc, u_int8_t type,
+ u_int8_t request, u_int16_t value, u_int16_t index, u_int16_t length,
+ u_int8_t *data)
+{
+ usb_device_request_t req;
+ usbd_xfer_handle xfer;
+ usbd_status err;
+ int total_len = 0, s;
+
+ req.bmRequestType = type;
+ req.bRequest = request;
+ USETW(req.wValue, value);
+ USETW(req.wIndex, index);
+ USETW(req.wLength, length);
+
+#ifdef ATU_DEBUG
+ if (atudebug) {
+ if ((data == NULL) || (type & UT_READ)) {
+ DPRINTFN(10, ("%s: req=%02x val=%02x "
+ "ind=%02x len=%02x\n", USBDEVNAME(sc->atu_dev),
+ request, value, index, length));
+ } else {
+ DPRINTFN(10, ("%s: req=%02x val=%02x "
+ "ind=%02x len=%02x [%8D]\n",
+ USBDEVNAME(sc->atu_dev), request, value, index,
+ length, data, " "));
+ }
+ }
+#endif /* ATU_DEBUG */
+
+ s = splnet();
+
+ xfer = usbd_alloc_xfer(sc->atu_udev);
+ usbd_setup_default_xfer(xfer, sc->atu_udev, 0, 500000, &req, data,
+ length, USBD_SHORT_XFER_OK, 0);
+
+ err = usbd_sync_transfer(xfer);
+
+ usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
+
+#ifdef ATU_DEBUG
+ if (atudebug) {
+ if (type & UT_READ) {
+ DPRINTF(("%s: transfered 0x%x bytes"
+ " in\n", USBDEVNAME(sc->atu_dev), total_len));
+ DPRINTF(("%s: dump [%10D]\n",
+ USBDEVNAME(sc->atu_dev), data, " "));
+ } else {
+ if (total_len != length)
+ DPRINTF(("%s: ARG! wrote "
+ "only %x bytes\n", USBDEVNAME(sc->atu_dev),
+ total_len));
+ }
+ }
+#endif /* ATU_DEBUG */
+
+ usbd_free_xfer(xfer);
+
+ splx(s);
+ return(err);
+}
+
+int
+atu_send_command(struct atu_softc *sc, u_int8_t *command, int size)
+{
+ return atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0000,
+ 0x0000, size, command);
+}
+
+int
+atu_get_cmd_status(struct atu_softc *sc, u_int8_t cmd, u_int8_t *status)
+{
+ /*
+ * all other drivers (including Windoze) request 40 bytes of status
+ * and get a short-xfer of just 6 bytes. we can save 34 bytes of
+ * buffer if we just request those 6 bytes in the first place :)
+ */
+ /*
+ return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x22, cmd,
+ 0x0000, 40, status);
+ */
+ return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x22, cmd,
+ 0x0000, 6, status);
+}
+
+int
+atu_wait_completion(struct atu_softc *sc, u_int8_t cmd, u_int8_t *status)
+{
+ int err;
+ u_int8_t statusreq[6];
+ int idle_count = 0;
+
+ DPRINTF(("%s: wait-completion: cmd=%02x\n",
+ USBDEVNAME(sc->atu_dev), cmd));
+
+ while (1) {
+ err = atu_get_cmd_status(sc, cmd, statusreq);
+ if (err)
+ return err;
+
+#ifdef ATU_DEBUG
+ if (atudebug) {
+ DPRINTF(("%s: status=%s cmd=%02x\n",
+ USBDEVNAME(sc->atu_dev),
+ ether_sprintf(statusreq), cmd));
+ }
+#endif /* ATU_DEBUG */
+
+ /*
+ * during normal operations waiting on STATUS_IDLE
+ * will never happen more than once
+ */
+ if ((statusreq[5] == STATUS_IDLE) && (idle_count++ > 20)) {
+ DPRINTF(("%s: AAARRGGG!!! FIX ME!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return 0;
+ }
+
+ if ((statusreq[5] != STATUS_IN_PROGRESS) &&
+ (statusreq[5] != STATUS_IDLE)) {
+ if (status != NULL)
+ *status = statusreq[5];
+ return 0;
+ }
+ atu_msleep(sc, 25);
+ }
+}
+
+int
+atu_send_mib(struct atu_softc *sc, u_int8_t type, u_int8_t size,
+u_int8_t index, void *data)
+{
+ int err;
+ struct atu_cmd_set_mib request;
+
+ /*
+ * We don't construct a MIB packet first and then memcpy it into an
+ * Atmel-command-packet, we just construct it the right way at once :)
+ */
+
+ request.AtCmd = CMD_SET_MIB;
+ request.AtReserved = 0;
+ request.AtSize = size + 4;
+
+ request.MIBType = type;
+ request.MIBSize = size;
+ request.MIBIndex = index;
+ request.MIBReserved = 0;
+
+ /*
+ * For 1 and 2 byte requests we assume a direct value,
+ * everything bigger than 2 bytes we assume a pointer to the data
+ */
+ switch (size) {
+ case 0:
+ break;
+ case 1:
+ request.data[0]=(u_int32_t)data & 0x000000ff;
+ break;
+ case 2:
+ request.data[0]=(u_int32_t)data & 0x000000ff;
+ request.data[1]=(u_int32_t)data >> 8;
+ break;
+ default:
+ memcpy(request.data, data, size);
+ }
+
+ err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0000,
+ 0x0000, request.AtSize+4, (u_int8_t *)&request);
+ if (err)
+ return err;
+
+ DPRINTF(("%s: sendmib : waitcompletion...\n",
+ USBDEVNAME(sc->atu_dev)));
+ return atu_wait_completion(sc, CMD_SET_MIB, NULL);
+}
+
+int
+atu_get_mib(struct atu_softc *sc, u_int8_t type, u_int8_t size,
+ u_int8_t index, u_int8_t *buf)
+{
+
+ /* linux/at76c503.c - 478 */
+ return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x033,
+ type << 8, index, size, buf);
+}
+
+int
+atu_start_ibss(struct atu_softc *sc)
+{
+ int err;
+ struct atu_cmd_start_ibss Request;
+
+ Request.Cmd = CMD_START_IBSS;
+ Request.Reserved = 0;
+ Request.Size = sizeof(Request) - 4;
+
+ memset(Request.BSSID, 0x00, sizeof(Request.BSSID));
+ memset(Request.SSID, 0x00, sizeof(Request.SSID));
+ memcpy(Request.SSID, sc->atu_ssid, sc->atu_ssidlen);
+ Request.SSIDSize = sc->atu_ssidlen;
+ Request.Channel = sc->atu_channel;
+ Request.BSSType = AD_HOC_MODE;
+ memset(Request.Res, 0x00, sizeof(Request.Res));
+
+ /* Write config to adapter */
+ err = atu_send_command(sc, (u_int8_t *)&Request, sizeof(Request));
+ if (err) {
+ DPRINTF(("%s: start ibss failed!\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ /* Wait for the adapter to do it's thing */
+ err = atu_wait_completion(sc, CMD_START_IBSS, NULL);
+ if (err) {
+ DPRINTF(("%s: error waiting for start_ibss\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ /* Get the current BSSID */
+ err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, sc->atu_bssid);
+ if (err) {
+ DPRINTF(("%s: could not get BSSID!\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ DPRINTF(("%s: started a new IBSS (BSSID=%s)\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(sc->atu_bssid)));
+ return 0;
+}
+
+int
+atu_start_scan(struct atu_softc *sc)
+{
+ struct atu_cmd_do_scan Scan;
+ usbd_status err;
+ int Cnt;
+
+ Scan.Cmd = CMD_START_SCAN;
+ Scan.Reserved = 0;
+ Scan.Size = sizeof(Scan) - 4;
+
+ /* use the broadcast BSSID (in active scan) */
+ for (Cnt=0; Cnt<6; Cnt++)
+ Scan.BSSID[Cnt] = 0xff;
+
+ memset(Scan.SSID, 0x00, sizeof(Scan.SSID));
+ memcpy(Scan.SSID, sc->atu_ssid, sc->atu_ssidlen);
+ Scan.SSID_Len = sc->atu_ssidlen;
+
+ /* default values for scan */
+ Scan.ScanType = ATU_SCAN_ACTIVE;
+ Scan.Channel = sc->atu_channel;
+ Scan.ProbeDelay = 3550;
+ Scan.MinChannelTime = 250;
+ Scan.MaxChannelTime = 3550;
+
+ /* we like scans to be quick :) */
+ /* the time we wait before sending probe's */
+ Scan.ProbeDelay = 0;
+ /* the time we stay on one channel */
+ Scan.MinChannelTime = 100;
+ Scan.MaxChannelTime = 200;
+ /* wether or not we scan all channels */
+ Scan.InternationalScan = 0xc1;
+
+#ifdef ATU_DEBUG
+ if (atudebug) {
+ DPRINTF(("%s: scan cmd len=%02x\n",
+ USBDEVNAME(sc->atu_dev), sizeof(Scan)));
+ DPRINTF(("%s: scan cmd: %52D\n",
+ USBDEVNAME(sc->atu_dev), (u_int8_t *)&Scan, " "));
+ }
+#endif /* ATU_DEBUG */
+
+ /* Write config to adapter */
+ err = atu_send_command(sc, (u_int8_t *)&Scan, sizeof(Scan));
+ if (err)
+ return err;
+
+ /*
+ * We don't wait for the command to finish... the mgmt-thread will do
+ * that for us
+ */
+ /*
+ err = atu_wait_completion(sc, CMD_START_SCAN, NULL);
+ if (err)
+ return err;
+ */
+ return 0;
+}
+
+int
+atu_switch_radio(struct atu_softc *sc, int state)
+{
+ usbd_status err;
+ struct atu_cmd CmdRadio = {CMD_RADIO_ON, 0, 0};
+
+ if (sc->atu_radio == RadioIntersil) {
+ /*
+ * Intersil doesn't seem to need/support switching the radio
+ * on/off
+ */
+ return 0;
+ }
+
+ if (sc->atu_radio_on != state) {
+ if (state == 0)
+ CmdRadio.Cmd = CMD_RADIO_OFF;
+
+ err = atu_send_command(sc, (u_int8_t *)&CmdRadio,
+ sizeof(CmdRadio));
+ if (err)
+ return err;
+
+ err = atu_wait_completion(sc, CmdRadio.Cmd, NULL);
+ if (err)
+ return err;
+
+ DPRINTF(("%s: radio turned %s\n",
+ USBDEVNAME(sc->atu_dev), state ? "on" : "off"));
+ sc->atu_radio_on = state;
+ }
+ return 0;
+}
+
+int
+atu_initial_config(struct atu_softc *sc)
+{
+ usbd_status err;
+/* u_int8_t rates[4] = {0x82, 0x84, 0x8B, 0x96};*/
+ u_int8_t rates[4] = {0x82, 0x04, 0x0B, 0x16};
+ struct atu_cmd_card_config cmd;
+ u_int8_t reg_domain;
+
+ DPRINTF(("%s: sending mac-addr\n", USBDEVNAME(sc->atu_dev)));
+ err = atu_send_mib(sc, MIB_MAC_ADDR__ADDR, sc->atu_mac_addr);
+ if (err) {
+ DPRINTF(("%s: error setting mac-addr\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ /*
+ DPRINTF(("%s: sending reg-domain\n", USBDEVNAME(sc->atu_dev)));
+ err = atu_send_mib(sc, MIB_PHY__REG_DOMAIN, NR(0x30));
+ if (err) {
+ DPRINTF(("%s: error setting mac-addr\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ */
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.Cmd = CMD_STARTUP;
+ cmd.Reserved = 0;
+ cmd.Size = sizeof(cmd) - 4;
+
+ cmd.Channel = sc->atu_channel;
+ cmd.AutoRateFallback = 1;
+ memcpy(cmd.BasicRateSet, rates, 4);
+
+ /* ShortRetryLimit should be 7 according to 802.11 spec */
+ cmd.ShortRetryLimit = 7;
+ cmd.RTS_Threshold = 2347;
+ cmd.FragThreshold = 2346;
+
+ /* Doesn't seem to work, but we'll set it to 1 anyway */
+ cmd.PromiscuousMode = 1;
+
+ /* this goes into the beacon we transmit */
+ if (sc->atu_encrypt == ATU_WEP_OFF)
+ cmd.PrivacyInvoked = 0;
+ else
+ cmd.PrivacyInvoked = 1;
+
+ cmd.ExcludeUnencrypted = 0;
+ cmd.EncryptionType = sc->atu_wepkeylen;
+
+ /* Setting the SSID here doesn't seem to do anything */
+ memset(cmd.SSID, 0, sizeof(cmd.SSID));
+ memcpy(cmd.SSID, sc->atu_ssid, sc->atu_ssidlen);
+ cmd.SSID_Len = sc->atu_ssidlen;
+
+ cmd.WEP_DefaultKeyID = sc->atu_wepkey;
+ memcpy(cmd.WEP_DefaultKey, sc->atu_wepkeys,
+ sizeof(cmd.WEP_DefaultKey));
+
+ cmd.ShortPreamble = 1;
+ cmd.ShortPreamble = 0;
+ cmd.BeaconPeriod = 100;
+ /* cmd.BeaconPeriod = 65535; */
+
+ /*
+ * TODO:
+ * read reg domain MIB_PHY @ 0x17 (1 byte), (reply = 0x30)
+ * we should do something usefull with this info. right now it's just
+ * ignored
+ */
+ err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, &reg_domain);
+ if (err) {
+ DPRINTF(("%s: could not get regdomain!\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+#ifdef ATU_DEBUG
+ if (atudebug) {
+ DPRINTF(("%s: configlen=%02x\n",
+ USBDEVNAME(sc->atu_dev), sizeof(cmd)));
+ DPRINTF(("%s: configdata= %108D\n",
+ USBDEVNAME(sc->atu_dev), (u_int8_t *)&cmd, " "));
+ }
+#endif /* ATU_DEBUG */
+
+ /* Windoze : driver says exclude-unencrypted=1 & encr-type=1 */
+
+ err = atu_send_command(sc, (u_int8_t *)&cmd, sizeof(cmd));
+ if (err)
+ return err;
+ err = atu_wait_completion(sc, CMD_STARTUP, NULL);
+ if (err)
+ return err;
+
+ /* Turn on radio now */
+ err = atu_switch_radio(sc, 1);
+ if (err)
+ return err;
+
+ /* preamble type = short */
+ err = atu_send_mib(sc, MIB_LOCAL__PREAMBLE, NR(PREAMBLE_SHORT));
+ if (err)
+ return err;
+
+ /* frag = 1536 */
+ err = atu_send_mib(sc, MIB_MAC__FRAG, NR(2346));
+ if (err)
+ return err;
+
+ /* rts = 1536 */
+ err = atu_send_mib(sc, MIB_MAC__RTS, NR(2347));
+ if (err)
+ return err;
+
+ /* auto rate fallback = 1 */
+ err = atu_send_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, NR(1));
+ if (err)
+ return err;
+
+ /* power mode = full on, no power saving */
+ err = atu_send_mib(sc, MIB_MAC_MGMT__POWER_MODE,
+ NR(POWER_MODE_ACTIVE));
+ if (err)
+ return err;
+
+ DPRINTF(("%s: completed initial config\n",
+ USBDEVNAME(sc->atu_dev)));
+ return 0;
+}
+
+int
+atu_join(struct atu_softc *sc)
+{
+ struct atu_cmd_join join;
+ u_int8_t status;
+ usbd_status err;
+
+ join.Cmd = CMD_JOIN;
+ join.Reserved = 0x00;
+ join.Size = sizeof(join) - 4;
+
+ DPRINTF(("%s: pre-join sc->atu_bssid=%s\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(sc->atu_bssid)));
+ DPRINTF(("%s: mode=%d\n", USBDEVNAME(sc->atu_dev),
+ sc->atu_mode));
+ memcpy(join.bssid, sc->atu_bssid, ETHER_ADDR_LEN);
+ memset(join.essid, 0x00, 32);
+ memcpy(join.essid, sc->atu_ssid, sc->atu_ssidlen);
+ join.essid_size = sc->atu_ssidlen;
+ join.bss_type = sc->atu_mode;
+ join.channel = sc->atu_channel;
+
+ join.timeout = ATU_JOIN_TIMEOUT;
+ join.reserved = 0x00;
+
+ DPRINTF(("%s: trying to join BSSID=%s\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(join.bssid)));
+ err = atu_send_command(sc, (u_int8_t *)&join, sizeof(join));
+ if (err) {
+ DPRINTF(("%s: ERROR trying to join IBSS\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ err = atu_wait_completion(sc, CMD_JOIN, &status);
+ if (err) {
+ DPRINTF(("%s: error joining BSS!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ if (status != STATUS_COMPLETE) {
+ DPRINTF(("%s: error joining... [status=%02x]\n",
+ USBDEVNAME(sc->atu_dev), status));
+ return status;
+ } else {
+ DPRINTF(("%s: joined BSS\n", USBDEVNAME(sc->atu_dev)));
+ }
+ return err;
+}
+
+#if 0
+void
+atu_airo_tap(struct atu_softc *sc, u_int8_t *pkt, u_int length,
+ struct at76c503_rx_buffer *at_hdr)
+{
+ struct mbuf *airo_pkt;
+ struct an_rxframe *airo_hdr;
+ struct wi_80211_hdr *wi_hdr;
+ struct wi_80211_hdr *wi_hdr_dst;
+ int wi_hdr_len;
+ u_int8_t *payload_ptr;
+ int s;
+
+ MGETHDR(airo_pkt, M_DONTWAIT, MT_DATA);
+ if (airo_pkt == NULL) {
+ DPRINTF(("%s: airo_tap: could not get an mbuf!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return;
+ }
+
+ MCLGET(airo_pkt, M_DONTWAIT);
+ if (!(airo_pkt->m_flags & M_EXT)) {
+ DPRINTF(("%s: airo_tap: could not get an mbuf!\n",
+ USBDEVNAME(sc->atu_dev)));
+ m_freem(airo_pkt);
+ return;
+ }
+
+ airo_pkt->m_len = airo_pkt->m_pkthdr.len =
+ MCLBYTES;
+
+ airo_hdr = mtod(airo_pkt, struct an_rxframe *);
+ wi_hdr_dst = (struct wi_80211_hdr *)&airo_hdr->an_frame_ctl;
+ wi_hdr = (struct wi_80211_hdr *)pkt;
+ payload_ptr = mtod(airo_pkt, u_int8_t *) + sizeof(struct an_rxframe);
+
+ bzero(airo_hdr, sizeof(struct an_rxframe));
+
+ if (at_hdr != NULL) {
+ /* It's a received packet : fill in receiver info */
+ airo_hdr->an_rx_time = at_hdr->rx_time;
+ airo_hdr->an_rx_signal_strength = at_hdr->rssi;
+ airo_hdr->an_rx_rate = at_hdr->rx_rate;
+
+ /* this is inaccurate when scanning! */
+ airo_hdr->an_rx_chan = sc->atu_channel;
+
+ } else {
+ /* It's a transmitted packet : make up as much as we can */
+ airo_hdr->an_rx_time = 0;
+ airo_hdr->an_rx_signal_strength = 0xff;
+ airo_hdr->an_rx_rate = 4;
+
+ airo_hdr->an_rx_chan = sc->atu_channel;
+ }
+
+ if ((wi_hdr->frame_ctl & WI_FCTL_FTYPE) == WI_FTYPE_DATA) {
+ wi_hdr_len = sizeof(struct wi_80211_hdr);
+ } else {
+ wi_hdr_len = sizeof(struct wi_mgmt_hdr);
+ }
+
+ airo_hdr->an_rx_payload_len = length - wi_hdr_len;
+
+ bcopy(wi_hdr, wi_hdr_dst, wi_hdr_len);
+ airo_hdr->an_gaplen = 0;
+
+ m_copyback(airo_pkt, sizeof(struct an_rxframe), length - wi_hdr_len,
+ pkt + wi_hdr_len);
+
+ airo_pkt->m_pkthdr.rcvif = &sc->arpcom.ac_if;
+ s = splnet();
+ IF_INPUT(&sc->arpcom.ac_if, airo_pkt);
+ splx(s);
+
+ airo_pkt->m_pkthdr.len = airo_pkt->m_len = length - wi_hdr_len +
+ sizeof(struct an_rxframe);
+
+ bpf_mtap(sc->atu_airobpf, airo_pkt);
+ m_free(airo_pkt);
+}
+#endif /* 0 */
+
+int
+atu_send_packet(struct atu_softc *sc, struct atu_chain *c)
+{
+ usbd_status err;
+ struct atu_txpkt *pkt;
+#if 0
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+#endif
+ /* Don't try to send when we're shutting down the driver */
+ if (sc->atu_dying)
+ return(EIO);
+
+#if 0
+ if (ifp->if_bpf) {
+ DPRINTF(("%s: bpf_tap on tx\n", USBDEVNAME(sc->atu_dev)));
+ bpf_tap(ifp->if_bpf, c->atu_buf, c->atu_length);
+ }
+
+ /* drop the raw 802.11b packets to bpf */
+ if (sc->atu_rawbpf) {
+ DPRINTF(("%s: raw bpf tap on TX :)\n",
+ USBDEVNAME(sc->atu_dev)));
+ bpf_tap(sc->atu_rawbpf, c->atu_buf, c->atu_length);
+ }
+#endif
+
+ pkt = (struct atu_txpkt *)c->atu_buf;
+ if (pkt->WiHeader.addr1[0]==0xff) {
+ printf("lal :)\n");
+
+ /* memcpy(pkt->WiHeader.addr1, sc->atu_bssid, 6); */
+ /*
+ pkt->WiHeader.addr1[0]=0xe3;
+ pkt->WiHeader.addr1[1]=0x13;
+ pkt->WiHeader.addr1[2]=0x41;
+ pkt->WiHeader.addr1[3]=0x25;
+ pkt->WiHeader.addr1[4]=0x61;
+ pkt->WiHeader.addr1[5]=0xe3;
+ */
+
+ /*
+ pkt->WiHeader.addr1[0]=0x00;
+ pkt->WiHeader.addr1[1]=0x04;
+ pkt->WiHeader.addr1[2]=0xe2;
+ pkt->WiHeader.addr1[3]=0xa9;
+ pkt->WiHeader.addr1[4]=0xf5;
+ pkt->WiHeader.addr1[5]=0x28;
+ */
+
+ /*
+ pkt->WiHeader.addr1[0]=0x0;
+ pkt->WiHeader.addr1[1]=0x0;
+ pkt->WiHeader.addr1[2]=0x0;
+ pkt->WiHeader.addr1[3]=0x0;
+ pkt->WiHeader.addr1[4]=0x0;
+ pkt->WiHeader.addr1[5]=0x0;
+ */
+ }
+
+#if 0
+ /* drop the raw 802.11b packets to bpf with aironet header */
+ if (sc->atu_airobpf) {
+
+ DPRINTF(("%s: aironet bpf tap on TX :)\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ pkt = (struct atu_txpkt *)c->atu_buf;
+
+ atu_airo_tap(sc, (u_int8_t *)&pkt->WiHeader,
+ c->atu_length - sizeof(struct at76c503_tx_buffer),
+ NULL);
+ }
+#endif
+
+#ifdef ATU_NO_COPY_TX
+ usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_TX],
+ c, c->atu_buf, c->atu_length, USBD_NO_COPY, ATU_TX_TIMEOUT,
+ atu_txeof);
+#else /* ATU_NO_COPY_TX */
+ usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_TX],
+ c, c->atu_buf, c->atu_length, 0, ATU_TX_TIMEOUT, atu_txeof);
+#endif /* ATU_NO_COPY_TX */
+
+ /* Let's get this thing into the air! */
+ c->atu_in_xfer = 1;
+ err = usbd_transfer(c->atu_xfer);
+ if (err != USBD_IN_PROGRESS) {
+ atu_stop(sc);
+ return(EIO);
+ }
+
+ DPRINTF(("%s: tx packet...\n", USBDEVNAME(sc->atu_dev)));
+ return 0;
+}
+
+int
+atu_send_mgmt_packet(struct atu_softc *sc, struct atu_chain *c,
+ u_int16_t length)
+{
+ struct atu_mgmt_packet *packet;
+
+ packet = (struct atu_mgmt_packet *)c->atu_buf;
+
+ packet->athdr.wlength = length - sizeof(packet->athdr);
+ packet->athdr.tx_rate = 4;
+ packet->athdr.padding = 0;
+ memset(packet->athdr.reserved, 0x00, 4);
+
+ /* DAAN Daan daan */
+ packet->athdr.tx_rate = 0;
+
+ packet->mgmt_hdr.duration = 0x8000;
+ memcpy(packet->mgmt_hdr.dst_addr, sc->atu_bssid, ETHER_ADDR_LEN);
+ memcpy(packet->mgmt_hdr.src_addr, sc->atu_mac_addr, ETHER_ADDR_LEN);
+ memcpy(packet->mgmt_hdr.bssid, sc->atu_bssid, ETHER_ADDR_LEN);
+ packet->mgmt_hdr.seq_ctl = 0;
+
+ c->atu_length = length;
+ return atu_send_packet(sc, c);
+}
+
+int
+atu_authenticate(struct atu_softc *sc)
+{
+ usbd_status err;
+ struct atu_chain *ch;
+ struct atu_auth_packet *packet;
+
+ /*
+ * now we should authenticate :
+ * 7.2.3.10 - page 64 of 802.11b spec
+ * 8.1 - page 74 of 802.11b spec
+ * see 7.3.1.9 - page 69 for status codes
+ *
+ * open systems :
+ * send: seq_nr=1 auth req
+ * recv: seq_nr=2 auth resp. (with status code)
+ *
+ * shared key systems :
+ * send: seq_nr=1 auth req
+ * recv: seq_nr=2 auth challenge (with status code & challenge
+ * text)
+ * send: seq_nr=3 auth reponse (wep encr challenge text)
+ * recv: seq_nr=4 auth result
+ *
+ * algorithm number :
+ * 0 = open
+ * 1 = shared
+ */
+
+ ch = SLIST_FIRST(&sc->atu_cdata.atu_mgmt_free);
+ if (ch == NULL) {
+ DPRINTF(("%s: authenticate: no mgmt transfers available\n",
+ USBDEVNAME(sc->atu_dev)));
+ return ENOMEM;
+ }
+ SLIST_REMOVE_HEAD(&sc->atu_cdata.atu_mgmt_free, atu_list);
+
+ packet = (struct atu_auth_packet *)ch->atu_buf;
+
+ packet->mgmt_hdr.frame_ctl = WI_FTYPE_MGMT |
+ IEEE80211_FC0_SUBTYPE_AUTH;
+
+ packet->auth_hdr.wi_algo = 0;
+ packet->auth_hdr.wi_seq = 1;
+ packet->auth_hdr.wi_status = 0;
+
+ DPRINTF(("%s: auth packet: %30D\n", USBDEVNAME(sc->atu_dev),
+ ((u_int8_t *)packet)+8, " "));
+
+ err = atu_send_mgmt_packet(sc, ch, sizeof(*packet));
+ if (err) {
+ DPRINTF(("%s: could not send auth packet\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ /*
+ * TODO: implement shared key auth
+ */
+ /*
+ packet->algoritm = 1;
+ packet->sequence = 3;
+ packet->status = 0;
+
+ memcpy(packet->challenge, the_challenge_text, the_challenge_length);
+
+ DPRINTF(("%s: auth packet: %30D\n", USBDEVNAME(sc->atu_dev),
+ ((u_int8_t *)packet)+8, " "));
+
+ if (sc->atu_encrypt & ATU_WEP_TX) {
+ packet->mgmt_hdr.frame_ctl |= WI_FCTL_WEP;
+ DPRINTF(("%s: ==> WEP on please\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ err = atu_send_mgmt_packet(sc, ch, sizeof(*packet) + challenge_len);
+ if (err) {
+ DPRINTF(("%s: could not send auth packet 2\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+ */
+ return 0;
+}
+
+int
+atu_associate(struct atu_softc *sc)
+{
+ usbd_status err;
+ struct atu_chain *ch;
+ u_int8_t *ptr;
+ struct atu_assoc_packet *packet;
+
+ /*
+ * associate :
+ * 7.2.3.4 - page 62 of 802.11b spec
+ *
+ */
+
+ ch = SLIST_FIRST(&sc->atu_cdata.atu_mgmt_free);
+ if (ch == NULL) {
+ DPRINTF(("%s: associate: no mgmt transfers left\n",
+ USBDEVNAME(sc->atu_dev)));
+ return ENOMEM;
+ }
+ SLIST_REMOVE_HEAD(&sc->atu_cdata.atu_mgmt_free, atu_list);
+
+ packet = (struct atu_assoc_packet *)ch->atu_buf;
+
+ packet->mgmt_hdr.frame_ctl = WI_FTYPE_MGMT |
+ IEEE80211_FC0_SUBTYPE_ASSOC_REQ;
+
+ packet->capability = 1 + 32; /* ess & short preamble */
+ packet->capability = 1;
+ packet->listen_interval = 100; /* beacon interval */
+
+ ptr = packet->data;
+ *ptr++ = WI_VAR_SSID; /* SSID */
+ *ptr++ = sc->atu_ssidlen;
+ memcpy(ptr, sc->atu_ssid, sc->atu_ssidlen);
+ ptr += sc->atu_ssidlen;
+
+ *ptr++ = WI_VAR_SRATES; /* supported rates */
+ *ptr++ = 0x04;
+ *ptr++ = 0x82;
+ *ptr++ = 0x84;
+ *ptr++ = 0x8b;
+ *ptr++ = 0x96;
+
+ DPRINTF(("%s: associate packet: %50D\n",
+ USBDEVNAME(sc->atu_dev), (u_int8_t *)packet, " "));
+
+ err = atu_send_mgmt_packet(sc, ch, sizeof(*packet) + 2 +
+ sc->atu_ssidlen + 6);
+ if (err) {
+ DPRINTF(("%s: could not send associate packet\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+ return 0;
+}
+
+/*
+ * Get the state of the DFU unit
+ */
+int8_t
+atu_get_dfu_state(struct atu_softc *sc)
+{
+ u_int8_t state;
+
+ if (atu_usb_request(sc, DFU_GETSTATE, 0, 0, 1, &state))
+ return -1;
+ return state;
+}
+
+/*
+ * Get MAC opmode
+ */
+u_int8_t
+atu_get_opmode(struct atu_softc *sc, u_int8_t *mode)
+{
+
+ return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33, 0x0001,
+ 0x0000, 1, mode);
+}
+
+/*
+ * Upload the internal firmware into the device
+ */
+int
+atu_upload_internal_firmware(struct atu_softc *sc)
+{
+ int8_t state;
+ int bytes_left = 0;
+ u_int8_t *ptr = NULL;
+ int block_size;
+ int block = 0;
+ u_int8_t status[6];
+ int err;
+
+ /*
+ * Uploading firmware is done with the DFU (Device Firmware Upgrade)
+ * interface. See "Universal Serial Bus - Device Class Specification
+ * for Device Firmware Upgrade" pdf for details of the protocol.
+ * Maybe this could be moved to a seperate 'firmware driver' once more
+ * device drivers need it... For now we'll just do it here.
+ *
+ * Just for your information, the Atmel's DFU descriptor looks like
+ * this:
+ *
+ * 07 size
+ * 21 type
+ * 01 capabilities : only firmware download, need reset
+ * after download
+ * 13 05 detach timeout : max 1299ms between DFU_DETACH and
+ * reset
+ * 00 04 max bytes of firmware per transaction : 1024
+ */
+
+ /* Choose the right firmware for the device */
+ switch (sc->atu_radio) {
+ case RadioRFMD:
+ ptr = atuwi_fw_rfmd_int;
+ bytes_left = sizeof(atuwi_fw_rfmd_int);
+ DPRINTF(("%s: loading RFMD firmware...\n",
+ USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioRFMD2958:
+ ptr = atuwi_fw_rfmd2958_int;
+ bytes_left = sizeof(atuwi_fw_rfmd2958_int);
+ DPRINTF(("%s: loading RFMD2958 firmware...\n",
+ USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioRFMD2958_SMC:
+ ptr = atuwi_fw_rfmd2958_smc_int;
+ bytes_left = sizeof(atuwi_fw_rfmd2958_smc_int);
+ DPRINTF(("%s: loading RFMD2958-smc firmware...\n",
+ USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioIntersil:
+ ptr = atuwi_fw_intersil_int;
+ bytes_left = sizeof(atuwi_fw_intersil_int);
+ DPRINTF(("%s: loading Intersil firmware...\n",
+ USBDEVNAME(sc->atu_dev)));
+ break;
+ default:
+ DPRINTF(("%s: unknown device type?\n", USBDEVNAME(sc->atu_dev)));
+ bytes_left = 0;
+ break;
+ }
+
+ state = atu_get_dfu_state(sc);
+
+ while (bytes_left >= 0 && state > 0) {
+ switch (state) {
+ case DFUState_DnLoadSync:
+ /* get DFU status */
+ err = atu_usb_request(sc, DFU_GETSTATUS, 0, 0 , 6,
+ status);
+ if (err) {
+ DPRINTF(("%s: dfu_getstatus failed!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ /* success means state => DnLoadIdle */
+ state = DFUState_DnLoadIdle;
+ continue;
+ break;
+
+ case DFUState_DFUIdle:
+ case DFUState_DnLoadIdle:
+ if (bytes_left>=DFU_MaxBlockSize)
+ block_size = DFU_MaxBlockSize;
+ else
+ block_size = bytes_left;
+ DPRINTF(("%s: firmware block %d\n",
+ USBDEVNAME(sc->atu_dev), block));
+
+ err = atu_usb_request(sc, DFU_DNLOAD, block++, 0,
+ block_size, ptr);
+ if (err) {
+ DPRINTF(("%s: dfu_dnload failed\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ ptr += block_size;
+ bytes_left -= block_size;
+ if (block_size == 0)
+ bytes_left = -1;
+ break;
+
+ default:
+ atu_msleep(sc, 100);
+ DPRINTF(("%s: sleeping for a while\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ state = atu_get_dfu_state(sc);
+ }
+
+ if (state != DFUState_ManifestSync) {
+ DPRINTF(("%s: state != manifestsync... eek!\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ err = atu_usb_request(sc, DFU_GETSTATUS, 0, 0, 6, status);
+ if (err) {
+ DPRINTF(("%s: dfu_getstatus failed!\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ DPRINTF(("%s: sending remap\n", USBDEVNAME(sc->atu_dev)));
+ err = atu_usb_request(sc, DFU_REMAP, 0, 0, 0, NULL);
+ if ((err) && (! sc->atu_quirk & ATU_QUIRK_NO_REMAP)) {
+ DPRINTF(("%s: remap failed!\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ /* after a lot of trying and measuring I found out the device needs
+ * about 56 miliseconds after sending the remap command before
+ * it's ready to communicate again. So we'll wait just a little bit
+ * longer than that to be sure...
+ */
+ atu_msleep(sc, 56+100);
+
+ /* reset the device to get the firmware to boot */
+ DPRINTF(("%s: trying to reset device...\n",
+ USBDEVNAME(sc->atu_dev)));
+ err = atu_reset(sc);
+ if (err) {
+ DPRINTF(("%s: reset failed...\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ DPRINTF(("%s: internal firmware upload done\n",
+ USBDEVNAME(sc->atu_dev)));
+ return 0;
+}
+
+int
+atu_upload_external_firmware(struct atu_softc *sc)
+{
+ u_int8_t *ptr = NULL;
+ int bytes_left = 0;
+ int block_size;
+ int block = 0;
+ u_int8_t mode;
+ u_int8_t channel;
+ int err;
+
+ err = atu_get_opmode(sc, &mode);
+ if (err) {
+ DPRINTF(("%s: could not get opmode\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ DPRINTF(("%s: opmode: %d\n", USBDEVNAME(sc->atu_dev), mode));
+
+ if (mode == MODE_NETCARD) {
+ DPRINTF(("%s: device doesn't need external "
+ "firmware\n", USBDEVNAME(sc->atu_dev)));
+ return 0;
+ }
+ if (mode != MODE_NOFLASHNETCARD) {
+ DPRINTF(("%s: EEK! unexpected opmode=%d\n", USBDEVNAME(sc->atu_dev),
+ mode));
+ }
+
+ /*
+ * There is no difference in opmode before and after external firmware
+ * upload with the SMC2662 V.4 . So instead we'll try to read the
+ * channel number. If we succeed, external firmware must have been
+ * already uploaded...
+ */
+ err = atu_get_mib(sc, MIB_PHY__CHANNEL, &channel);
+ if (! err) {
+ DPRINTF(("%s: external firmware has already been "
+ "downloaded\n", USBDEVNAME(sc->atu_dev)));
+ return 0;
+ }
+
+ switch (sc->atu_radio) {
+ case RadioRFMD:
+ ptr = atuwi_fw_rfmd_ext;
+ bytes_left = sizeof(atuwi_fw_rfmd_ext);
+ DPRINTF(("%s: loading external RFMD firmware\n",
+ USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioRFMD2958:
+ ptr = atuwi_fw_rfmd2958_ext;
+ bytes_left = sizeof(atuwi_fw_rfmd2958_ext);
+ DPRINTF(("%s: loading external RFMD2958 "
+ "firmware\n", USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioRFMD2958_SMC:
+ ptr = atuwi_fw_rfmd2958_smc_ext;
+ bytes_left = sizeof(atuwi_fw_rfmd2958_smc_ext);
+ DPRINTF(("%s: loading external RFMD2958-smc "
+ "firmware\n", USBDEVNAME(sc->atu_dev)));
+ break;
+ case RadioIntersil:
+ ptr = atuwi_fw_intersil_ext;
+ bytes_left = sizeof(atuwi_fw_intersil_ext);
+ DPRINTF(("%s: loading external Intersil "
+ "firmware\n", USBDEVNAME(sc->atu_dev)));
+ break;
+ default:
+ DPRINTF(("%s: unknown device type?\n", USBDEVNAME(sc->atu_dev)));
+ bytes_left = 0;
+ break;
+ }
+
+ while (bytes_left) {
+ if (bytes_left > 1024)
+ block_size = 1024;
+ else
+ block_size = bytes_left;
+
+ DPRINTF(("%s: block:%d size:%d\n",
+ USBDEVNAME(sc->atu_dev), block, block_size));
+ err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e,
+ 0x0802, block, block_size, ptr);
+ if (err) {
+ DPRINTF(("%s: could not load external firmware "
+ "block\n", USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ ptr += block_size;
+ block++;
+ bytes_left -= block_size;
+ }
+
+ err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0802,
+ block, 0, NULL);
+ if (err) {
+ DPRINTF(("%s: could not load last zero-length firmware block\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+
+ /*
+ * The SMC2662w V.4 seems to require some time to do it's thing with
+ * the external firmware... 20 ms isn't enough, but 21 ms works 100
+ * times out of 100 tries. We'll wait a bit longer just to be sure
+ */
+ if (sc->atu_quirk & ATU_QUIRK_FW_DELAY) {
+ atu_msleep(sc, 21 + 100);
+ }
+
+ DPRINTF(("%s: external firmware upload done\n",
+ USBDEVNAME(sc->atu_dev)));
+ return 0;
+}
+
+int
+atu_get_card_config(struct atu_softc *sc)
+{
+ struct atu_rfmd_conf rfmd_conf;
+ struct atu_intersil_conf intersil_conf;
+ int err;
+
+ switch (sc->atu_radio) {
+
+ case RadioRFMD:
+ case RadioRFMD2958:
+ case RadioRFMD2958_SMC:
+ err = atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33,
+ 0x0a02, 0x0000, sizeof(rfmd_conf),
+ (u_int8_t *)&rfmd_conf);
+ if (err) {
+ DPRINTF(("%s: could not get rfmd config!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ memcpy(sc->atu_mac_addr, rfmd_conf.MACAddr, ETHER_ADDR_LEN);
+ break;
+
+ case RadioIntersil:
+ err = atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33,
+ 0x0902, 0x0000, sizeof(intersil_conf),
+ (u_int8_t *)&intersil_conf);
+ if (err) {
+ DPRINTF(("%s: could not get intersil config!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return err;
+ }
+ memcpy(sc->atu_mac_addr, intersil_conf.MACAddr,
+ ETHER_ADDR_LEN);
+ break;
+ }
+ return 0;
+}
+
+/*
+ * Probe for an AT76c503 chip.
+ */
+USB_MATCH(atu)
+{
+ USB_MATCH_START(atu, uaa);
+ struct atu_type *t;
+
+ if (!uaa->iface)
+ return(UMATCH_NONE);
+
+ t = atu_devs;
+ while(t->atu_vid) {
+ if (uaa->vendor == t->atu_vid &&
+ uaa->product == t->atu_pid) {
+ return(UMATCH_VENDOR_PRODUCT);
+ }
+ t++;
+ }
+ return(UMATCH_NONE);
+}
+
+/*
+ * this routine gets called from the mgmt thread at least once a second.
+ * if we return 0 the thread will go to sleep, if we return 1 we will be
+ * called again immediately (like 'continue' does in a while-loop)
+ */
+int
+atu_mgmt_state_machine(struct atu_softc *sc)
+{
+ struct atu_mgmt *vars = &sc->atu_mgmt_vars;
+ usbd_status err;
+ u_int8_t statusreq[6];
+ int s;
+
+ if (sc->atu_mgmt_flags & ATU_CHANGED_SETTINGS) {
+ sc->atu_mgmt_flags &= ~ATU_CHANGED_SETTINGS;
+ sc->atu_mgmt_flags &= ~ATU_FOUND_BSSID;
+ sc->atu_mgmt_flags &= ~ATU_AUTH_OK;
+ sc->atu_mgmt_flags &= ~ATU_RE_AUTH;
+ sc->atu_mgmt_flags &= ~ATU_ASSOC_OK;
+ sc->atu_mgmt_flags |= ATU_SEARCHING;
+ vars->state = STATE_LISTENING;
+ vars->retry = 0;
+ }
+
+ DPRINTF(("%s: [state=%s, retry=%d, chan=%d "
+ "enc=%d]\n", USBDEVNAME(sc->atu_dev), atu_mgmt_statename[vars->state],
+ vars->retry, sc->atu_channel, sc->atu_encrypt));
+
+ /* Fall back to authentication if needed */
+ /* TODO: should we only allow this when in infra-mode? */
+ if ((sc->atu_mgmt_flags & ATU_RE_AUTH) &&
+ (vars->state >= STATE_AUTHENTICATING)) {
+ vars->state = STATE_AUTHENTICATING;
+ sc->atu_mgmt_flags &= ~(ATU_RE_AUTH | ATU_AUTH_OK |
+ ATU_ASSOC_OK);
+ vars->retry = 0;
+ }
+
+ /* Fall back to association if needed */
+ /* TODO: should we only allow this when in infra-mode? */
+ if ((sc->atu_mgmt_flags & ATU_RE_ASSOC) &&
+ (vars->state >= STATE_ASSOCIATING)) {
+ vars->state = STATE_ASSOCIATING;
+ sc->atu_mgmt_flags &= ~(ATU_RE_ASSOC | ATU_AUTH_OK |
+ ATU_ASSOC_OK);
+ vars->retry = 0;
+ }
+
+ switch (vars->state) {
+ case STATE_NONE:
+ /* awaiting orders */
+ break;
+ case STATE_LISTENING:
+ /* do some nifty scanning here */
+
+ if (sc->atu_mgmt_flags & ATU_FOUND_BSSID) {
+ vars->state = STATE_JOINING;
+ vars->retry = 0;
+ return 1;
+ }
+ s = splusb();
+ err = atu_get_cmd_status(sc, CMD_JOIN, statusreq);
+ if (err) {
+ DPRINTF(("%s: get_cmd_status failed in mgmt_loop\n",
+ USBDEVNAME(sc->atu_dev)));
+ vars->state = STATE_GIVEN_UP;
+ vars->retry = 0;
+ }
+ if (statusreq[5]==STATUS_IN_PROGRESS) {
+ DPRINTF(("%s: scanning in progress...\n",
+ USBDEVNAME(sc->atu_dev)));
+ } else {
+ err = atu_start_scan(sc);
+ if (vars->retry++ > ATU_SCAN_RETRIES &&
+ sc->atu_mode == AD_HOC_MODE) {
+ DPRINTF(("%s: scanned long enough\n",
+ USBDEVNAME(sc->atu_dev)));
+ sc->atu_mgmt_flags &= ~ATU_SEARCHING;
+ vars->state = STATE_CREATING_IBSS;
+ vars->retry = 0;
+ }
+ if (err) {
+ DPRINTF(("%s: get_cmd_failed in mgmt_loop\n",
+ USBDEVNAME(sc->atu_dev)));
+ vars->state = STATE_GIVEN_UP;
+ vars->retry = 0;
+ }
+ }
+ splx(s);
+ break;
+ case STATE_JOINING:
+ DPRINTF(("%s: going to join\n",
+ USBDEVNAME(sc->atu_dev)));
+ err = atu_join(sc);
+ if (err) {
+ if (vars->retry++ > ATU_JOIN_RETRIES) {
+ if (sc->atu_mode == AD_HOC_MODE)
+ vars->state = STATE_CREATING_IBSS;
+ else
+ vars->state = STATE_GIVEN_UP;
+ vars->retry = 0;
+ }
+ DPRINTF(("%s: error joining\n",
+ USBDEVNAME(sc->atu_dev)));
+ } else {
+ if (sc->atu_mode == AD_HOC_MODE)
+ vars->state = STATE_HAPPY_NETWORKING;
+ else
+ vars->state = STATE_AUTHENTICATING;
+ vars->retry = 0;
+ }
+ break;
+ case STATE_AUTHENTICATING:
+ if (sc->atu_mgmt_flags & ATU_AUTH_OK) {
+ vars->state = STATE_ASSOCIATING;
+ vars->retry = 0;
+ return 1;
+ }
+
+ DPRINTF(("%s: trying authentication\n",
+ USBDEVNAME(sc->atu_dev)));
+ atu_authenticate(sc);
+ if (vars->retry++ > ATU_AUTH_RETRIES) {
+ vars->state = STATE_GIVEN_UP;
+ DPRINTF(("%s: error authenticating...\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+ break;
+ case STATE_ASSOCIATING:
+ if (sc->atu_mgmt_flags & ATU_ASSOC_OK) {
+ vars->state = STATE_HAPPY_NETWORKING;
+ vars->retry = 0;
+ return 1;
+ }
+ DPRINTF(("%s: trying to associate\n",
+ USBDEVNAME(sc->atu_dev)));
+ atu_associate(sc);
+ if (vars->retry++ > ATU_ASSOC_RETRIES) {
+ vars->state = STATE_GIVEN_UP;
+ DPRINTF(("%s: error associating...\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+ break;
+ case STATE_CREATING_IBSS:
+ DPRINTF(("%s: trying to create IBSS\n",
+ USBDEVNAME(sc->atu_dev)));
+ err = atu_start_ibss(sc);
+ if (err) {
+ if (vars->retry++ > ATU_IBSS_RETRIES)
+ vars->state = STATE_GIVEN_UP;
+ DPRINTF(("atu:%d: error creating IBSS...\n",
+ USBDEVNAME(sc->atu_dev)));
+ } else {
+ vars->state = STATE_HAPPY_NETWORKING;
+ vars->retry = 0;
+ }
+ break;
+ case STATE_HAPPY_NETWORKING:
+ /* happy networking
+ *
+ * TODO:
+ * we should bounce back to previous states from here
+ * on beacon timeout, disassociate or deauthenticate
+ *
+ * (but none of that has been implemented at this time)
+ */
+ break;
+ case STATE_GIVEN_UP:
+ /*
+ * can only leave this state if someone changes the
+ * config
+ */
+ break;
+ }
+
+ if (vars->state == STATE_HAPPY_NETWORKING)
+ sc->atu_mgmt_flags |= ATU_NETWORK_OK;
+ else
+ sc->atu_mgmt_flags &= ~ATU_NETWORK_OK;
+ return 0;
+}
+
+void
+atu_mgmt_loop(void *arg)
+{
+ struct atu_softc *sc = arg;
+ int again;
+ int s;
+
+ DPRINTF(("%s: mgmt task initialised\n", USBDEVNAME(sc->atu_dev)));
+
+ sc->atu_mgmt_vars.state = STATE_NONE;
+ sc->atu_mgmt_vars.retry = 0;
+
+ while (!sc->atu_dying) {
+ s = splnet();
+ again = atu_mgmt_state_machine(sc);
+ while (again)
+ again = atu_mgmt_state_machine(sc);
+ splx(s);
+
+ /*
+ * wait for something to happen (but not too long :)
+ * if someone changes the config or a mgmt packet is received
+ * we will be waken up
+ */
+ tsleep(sc, PZERO | PCATCH, "atum", ATU_MGMT_INTERVAL);
+ }
+
+ DPRINTF(("%s: mgmt thread stops now...\n",
+ USBDEVNAME(sc->atu_dev)));
+ sc->atu_dying++;
+ sc->atu_mgmt_flags &= ~ATU_TASK_RUNNING;
+ kthread_exit(0);
+}
+
+int
+atu_media_change(struct ifnet *ifp)
+{
+ struct atu_softc *sc;
+ struct ifmedia_entry *ime;
+
+ sc = ifp->if_softc;
+ ime = sc->atu_media.ifm_cur;
+
+ /* TODO: fully implement - see if_wi.c @ 1189 */
+
+ DPRINTF(("%s: subtype=%d %d\n", USBDEVNAME(sc->atu_dev),
+ IFM_SUBTYPE(ime->ifm_media), ime->ifm_media));
+
+ if ((ime->ifm_media & IFM_IEEE80211_ADHOC) &&
+ (sc->atu_mode != AD_HOC_MODE)) {
+ DPRINTF(("%s: mode changed to adhoc\n",
+ USBDEVNAME(sc->atu_dev)));
+ sc->atu_mode = AD_HOC_MODE;
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ }
+
+ if ((!(ime->ifm_media & IFM_IEEE80211_ADHOC)) &&
+ (sc->atu_mode != INFRASTRUCTURE_MODE)) {
+ DPRINTF(("%s: mode changed to infra\n",
+ USBDEVNAME(sc->atu_dev)));
+ sc->atu_mode = INFRASTRUCTURE_MODE;
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ }
+
+ DPRINTF(("%s: media_change...\n", USBDEVNAME(sc->atu_dev)));
+ return 0;
+}
+
+void
+atu_media_status(struct ifnet *ifp, struct ifmediareq *req)
+{
+ struct atu_softc *sc;
+
+ sc = ifp->if_softc;
+
+ /* TODO: fully implement */
+
+ req->ifm_status = IFM_AVALID;
+ req->ifm_active = IFM_IEEE80211;
+
+ if (sc->atu_mgmt_flags & ATU_NETWORK_OK)
+ req->ifm_status |= IFM_ACTIVE;
+
+ /* req->ifm_active |= ieee80211_rate2media(2*11, IEEE80211_T_DS); */
+
+ if (sc->atu_mode == AD_HOC_MODE) {
+ req->ifm_active |= IFM_IEEE80211_ADHOC;
+ }
+ DPRINTF(("%s: atu_media_status\n", USBDEVNAME(sc->atu_dev)));
+}
+
+/*
+ * Attach the interface. Allocate softc structures, do
+ * setup and ethernet/BPF attach.
+ */
+USB_ATTACH(atu)
+{
+ USB_ATTACH_START(atu, sc, uaa);
+ char devinfo[1024];
+ struct ifnet *ifp;
+ usbd_status err;
+ usbd_device_handle dev = uaa->device;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ int i, s;
+ u_int8_t mode;
+ struct atu_type *t;
+ struct atu_fw fw;
+
+ usbd_devinfo(uaa->device, 0, devinfo, sizeof devinfo);
+ USB_ATTACH_SETUP;
+ printf("%s: %s\n", USBDEVNAME(sc->atu_dev), devinfo);
+
+ err = usbd_set_config_no(dev, ATU_CONFIG_NO, 1);
+ if (err) {
+ printf("%s: setting config no failed\n",
+ USBDEVNAME(sc->atu_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ err = usbd_device2interface_handle(dev, ATU_IFACE_IDX,
+ &sc->atu_iface);
+ if (err) {
+ printf("%s: getting interface handle failed\n",
+ USBDEVNAME(sc->atu_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ sc->atu_unit = self->dv_unit;
+ sc->atu_udev = dev;
+
+ id = usbd_get_interface_descriptor(sc->atu_iface);
+
+ /*
+ * look up the radio_type for the device
+ * basically does the same as USB_MATCH
+ */
+ t = atu_devs;
+ while(t->atu_vid) {
+ if (uaa->vendor == t->atu_vid &&
+ uaa->product == t->atu_pid) {
+ sc->atu_radio = t->atu_radio;
+ sc->atu_quirk = t->atu_quirk;
+ }
+ t++;
+ }
+
+ s = splnet();
+
+ /*
+ * Check in the interface descriptor if we're in DFU mode
+ * If we're in DFU mode, we upload the external firmware
+ * If we're not, the PC must have rebooted without power-cycling
+ * the device.. I've tried this out, a reboot only requeres the
+ * external firmware to be reloaded :)
+ *
+ * Hmm. The at76c505a doesn't report a DFU descriptor when it's
+ * in DFU mode... Let's just try to get the opmode
+ */
+ err = atu_get_opmode(sc, &mode);
+ if (err || (mode != MODE_NETCARD &&
+ mode != MODE_NOFLASHNETCARD)) {
+ DPRINTF(("%s: starting internal firmware download\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ /* upload internal firmware */
+ err = atu_upload_internal_firmware(sc);
+ if (err) {
+ splx(s);
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ DPRINTF(("%s: done...\n",
+ USBDEVNAME(sc->atu_dev)));
+ splx(s);
+ printf("trying reset now\n");
+ USB_ATTACH_NEED_RESET;
+ }
+
+ uaa->iface = sc->atu_iface;
+
+ /* upload external firmware */
+ DPRINTF(("%s: starting external firmware download\n",
+ USBDEVNAME(sc->atu_dev)));
+ err = atu_upload_external_firmware(sc);
+ if (err) {
+ splx(s);
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ /* Find endpoints. */
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ ed = usbd_interface2endpoint_descriptor(uaa->iface, i);
+ if (!ed) {
+ DPRINTF(("%s: num_endp:%d\n", USBDEVNAME(sc->atu_dev),
+ uaa->iface->idesc->bNumEndpoints));
+ DPRINTF(("%s: couldn't get ep %d\n",
+ USBDEVNAME(sc->atu_dev), i));
+ splx(s);
+ USB_ATTACH_ERROR_RETURN;
+ }
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->atu_ed[ATU_ENDPT_RX] = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->atu_ed[ATU_ENDPT_TX] = ed->bEndpointAddress;
+ }
+ }
+
+ s = splnet();
+
+ /* read device config & get MAC address */
+ err = atu_get_card_config(sc);
+ if (err) {
+ DPRINTF(("%s: could not get card cfg!\n", USBDEVNAME(sc->atu_dev)));
+ splx(s);
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ /* DEBUG : try to get firmware version */
+ err = atu_get_mib(sc, MIB_FW_VERSION, sizeof(fw), 0,
+ (u_int8_t *)&fw);
+ if (!err) {
+#if 0
+ DPRINTF(("%s: firmware: maj:%d min:%d patch:%d build:%d\n",
+ USBDEVNAME(sc->atu_dev), fw.major, fw.minor,
+ fw.patch, fw.build));
+#endif
+ } else {
+ DPRINTF(("%s: get firmware version failed\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ /* Show the world our MAC address */
+ DPRINTF(("%s: address %s\n", USBDEVNAME(sc->atu_dev),
+ ether_sprintf(sc->atu_mac_addr)));
+
+ bcopy(sc->atu_mac_addr,
+ (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
+
+ for (i=0; i<ATU_AVG_TIME; i++)
+ sc->atu_signalarr[i] = 0;
+ sc->atu_signaltotal = 0;
+ sc->atu_signalptr = 0;
+ sc->atu_cdata.atu_tx_inuse = 0;
+ sc->atu_encrypt = ATU_WEP_OFF;
+ sc->atu_wepkeylen = ATU_WEP_104BITS;
+ sc->atu_wepkey = 0;
+ sc->atu_mgmt_flags = 0;
+
+ bzero(sc->atu_bssid, ETHER_ADDR_LEN);
+ sc->atu_ssidlen = strlen(ATU_DEFAULT_SSID);
+ memcpy(sc->atu_ssid, ATU_DEFAULT_SSID, sc->atu_ssidlen);
+ sc->atu_channel = 10;
+ sc->atu_mode = INFRASTRUCTURE_MODE;
+ sc->atu_encrypt = ATU_WEP_OFF;
+
+ /* Initialise transfer lists */
+ SLIST_INIT(&sc->atu_cdata.atu_rx_free);
+ SLIST_INIT(&sc->atu_cdata.atu_tx_free);
+ SLIST_INIT(&sc->atu_cdata.atu_mgmt_free);
+
+ ifp = &sc->arpcom.ac_if;
+ ifp->if_softc = sc;
+ strncpy(ifp->if_xname, USBDEVNAME(sc->atu_dev), IFNAMSIZ);
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_ioctl = atu_ioctl;
+ ifp->if_start = atu_start;
+ ifp->if_watchdog = atu_watchdog;
+ ifp->if_baudrate = 10000000;
+ ifp->if_mtu = ATU_DEFAULT_MTU;
+
+ IFQ_SET_READY(&ifp->if_snd);
+
+ /*
+ * Call MI attach routine.
+ */
+ if_attach(ifp);
+ Ether_ifattach(ifp, sc->atu_mac_addr);
+
+ sc->atu_dying = 0;
+
+ /* setup ifmedia interface */
+ ifmedia_init(&sc->atu_media, 0, atu_media_change,
+ atu_media_status);
+
+#define ADD(s, o) ifmedia_add(&sc->atu_media, \
+ IFM_MAKEWORD(IFM_IEEE80211, (s), (o), 0), 0, NULL)
+
+ ADD(IFM_AUTO, 0);
+ ADD(IFM_AUTO, IFM_IEEE80211_ADHOC);
+
+ /*
+ * TODO:
+ * add a list of supported rates here.
+ * (can't do that as long as we only support 'auto fallback'
+ *
+ for (i = 0; i < nrate; i++) {
+ r = ic->ic_sup_rates[i];
+ mword = ieee80211_rate2media(r, IEEE80211_T_DS);
+ if (mword == 0)
+ continue;
+ printf("%s%d%sMbps", (i != 0 ? " " : ""),
+ (r & IEEE80211_RATE_VAL) / 2, ((r & 0x1) != 0 ? ".5" : ""));
+ ADD(mword, 0);
+ if (ic->ic_flags & IEEE80211_F_HASHOSTAP)
+ ADD(mword, IFM_IEEE80211_HOSTAP);
+ if (ic->ic_flags & IEEE80211_F_HASIBSS)
+ ADD(mword, IFM_IEEE80211_ADHOC);
+ ADD(mword, IFM_IEEE80211_ADHOC | IFM_FLAG0);
+ }
+ printf("\n");
+ */
+
+ ADD(11, 0);
+ ADD(11, IFM_IEEE80211_ADHOC);
+
+ ifmedia_set(&sc->atu_media, IFM_MAKEWORD(IFM_IEEE80211, IFM_AUTO, 0,
+ 0));
+#undef ADD
+
+ /* attach to bpf for raw 802.11 packets */
+#if 0
+#if NBPFILTER > 0
+ bpfattach(&sc->atu_rawbpf, ifp, DLT_IEEE802_11_RADIO,
+ sizeof(struct ieee80211_frame) + 64);
+#endif
+#endif
+
+ splx(s);
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+USB_DETACH(atu)
+{
+ USB_DETACH_START(atu, sc);
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+
+ atu_stop(sc);
+
+#if 0
+#if NBPFILTER > 0
+ bpfdetach(ipf);
+#endif
+#endif
+
+ ieee80211_ifdetach(ifp);
+ if_detach(ifp);
+
+ if (sc->atu_ep[ATU_ENDPT_TX] != NULL)
+ usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_TX]);
+ if (sc->atu_ep[ATU_ENDPT_RX] != NULL)
+ usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_RX]);
+ return(0);
+}
+
+int
+atu_activate(device_ptr_t self, enum devact act)
+{
+ struct atu_softc *sc = (struct atu_softc *)self;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+ case DVACT_DEACTIVATE:
+ if_deactivate(&sc->atu_ec.ec_if);
+ sc->atu_dying = 1;
+ break;
+ }
+ return (0);
+}
+
+/*
+ * Initialize an RX descriptor and attach an MBUF cluster.
+ */
+int
+atu_newbuf(struct atu_softc *sc, struct atu_chain *c, struct mbuf *m)
+{
+ struct mbuf *m_new = NULL;
+
+ if (m == NULL) {
+ MGETHDR(m_new, M_DONTWAIT, MT_DATA);
+ if (m_new == NULL) {
+ DPRINTF(("%s: no memory for rx list -- packet dropped!\n",
+ USBDEVNAME(sc->atu_dev)));
+ return(ENOBUFS);
+ }
+
+ MCLGET(m_new, M_DONTWAIT);
+ if (!(m_new->m_flags & M_EXT)) {
+ DPRINTF(("%s: no memory for rx list -- packet dropped!\n",
+ USBDEVNAME(sc->atu_dev)));
+ m_freem(m_new);
+ return(ENOBUFS);
+ }
+ m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
+ } else {
+ m_new = m;
+ m_new->m_len = m_new->m_pkthdr.len = MCLBYTES;
+ m_new->m_data = m_new->m_ext.ext_buf;
+ }
+ c->atu_mbuf = m_new;
+ return(0);
+}
+
+int
+atu_xfer_list_init(struct atu_softc *sc, struct atu_chain *ch,
+ int listlen, int need_mbuf, int bufsize, struct atu_list_head *list)
+{
+ struct atu_cdata *cd;
+ int i;
+
+ cd = &sc->atu_cdata;
+
+ DPRINTF(("%s: list init (%d entries of %d bytes)\n",
+ USBDEVNAME(sc->atu_dev), listlen, bufsize));
+
+ for (i = 0; i < listlen; i++) {
+ ch->atu_sc = sc;
+ ch->atu_idx = i;
+ if (ch->atu_xfer == NULL) {
+ ch->atu_xfer = usbd_alloc_xfer(sc->atu_udev);
+ if (ch->atu_xfer == NULL)
+ return(ENOBUFS);
+ }
+
+ if (need_mbuf) {
+ if (atu_newbuf(sc, ch, NULL) == ENOBUFS)
+ return(ENOBUFS);
+ } else {
+ ch->atu_mbuf = NULL;
+ }
+
+ if ((bufsize > 0) && (ch->atu_buf == NULL)) {
+#ifdef ATU_NO_COPY_TX
+ ch->atu_buf = usbd_alloc_buffer(ch->atu_xfer,
+ bufsize);
+ if (ch->atu_buf == NULL)
+ return(ENOBUFS);
+#else /* ATU_NO_COPY_TX */
+ ch->atu_buf = malloc(bufsize, M_USBDEV,
+ M_NOWAIT);
+ if (ch->atu_buf == NULL)
+ return(ENOBUFS);
+#endif /* ATU_NO_COPY_TX */
+ }
+
+ if (list != NULL) {
+ SLIST_INSERT_HEAD(list, ch, atu_list);
+ }
+
+ ch++;
+ }
+ return(0);
+}
+
+void
+atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch,
+ int listlen)
+{
+ int i;
+
+ /* Free resources. */
+ for (i = 0; i < listlen; i++) {
+ if (ch[i].atu_buf != NULL) {
+#ifdef ATU_NO_COPY_TX
+ /*
+ * usbdi.c cleans up for us
+ */
+#else /* ATU_NO_COPY_TX */
+ free(ch[i].atu_buf, M_USBDEV);
+#endif /* ATU_NO_COPY_TX */
+ ch[i].atu_buf = NULL;
+ }
+ if (ch[i].atu_mbuf != NULL) {
+ m_freem(ch[i].atu_mbuf);
+ ch[i].atu_mbuf = NULL;
+ }
+ if (ch[i].atu_xfer != NULL) {
+ usbd_free_xfer(ch[i].atu_xfer);
+ ch[i].atu_xfer = NULL;
+ }
+ }
+}
+
+void
+atu_print_beacon(struct atu_softc *sc, struct atu_rxpkt *pkt)
+{
+ u_int8_t *ptr;
+ struct tlv *tlv;
+ u_int8_t *end;
+ u_int8_t tmp;
+ u_int8_t rate;
+
+ /* Let's have a closer look at this beacon... */
+ ptr = (u_int8_t *)pkt->WiHeader.addr4 + 12;
+ end = ptr + pkt->AtHeader.wlength - 24 - 12 - 4;
+ tlv = (struct tlv *)ptr;
+
+ while ((ptr<end) && (ptr + 2 + tlv->length <= end)) {
+ switch (tlv->type) {
+ case WI_VAR_SSID: /* SSID */
+ /* sanity check */
+ if (tlv->length > 32)
+ break;
+
+ tmp = tlv->value[tlv->length];
+ tlv->value[tlv->length] = 0;
+ DPRINTF(("%s: ssid=[%s]\n",
+ USBDEVNAME(sc->atu_dev), tlv->value));
+ tlv->value[tlv->length] = tmp;
+ break;
+ case WI_VAR_SRATES: /* Supported rates */
+ for (rate=0; rate<tlv->length; rate++) {
+ tmp = tlv->value[rate] & (~0x80);
+ DPRINTF(("%s: rate: %d kbps "
+ "(%02x)\n", USBDEVNAME(sc->atu_dev), 500 * tmp,
+ tlv->value[rate]));
+ }
+ break;
+ case WI_VAR_DS: /* DS (channel) */
+ DPRINTF(("%s: channel=%d\n",
+ USBDEVNAME(sc->atu_dev), *tlv->value));
+ break;
+ default :
+ DPRINTF(("%s: tlv: t=%02x l=%02x "
+ "v[0]=%02x\n", USBDEVNAME(sc->atu_dev), tlv->type,
+ tlv->length, tlv->value[0]));
+ }
+
+ ptr += 2 + tlv->length;
+ tlv = (struct tlv *)ptr;
+ }
+}
+
+void
+atu_handle_mgmt_packet(struct atu_softc *sc, struct atu_rxpkt *pkt)
+{
+ u_int8_t *ptr;
+ struct tlv *tlv;
+ u_int8_t *end;
+ u_int8_t tmp;
+ int match;
+ int match_channel = 1;
+ struct wi_80211_beacon *beacon;
+ struct wi_mgmt_auth_hdr *auth;
+ struct wi_mgmt_deauth_hdr *deauth;
+ struct wi_mgmt_disas_hdr *deassoc;
+ struct wi_mgmt_asresp_hdr *assoc;
+
+ switch (pkt->WiHeader.frame_ctl & WI_FCTL_STYPE) {
+ case WI_STYPE_MGMT_AUTH:
+ DPRINTF(("%s: received auth response...\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ auth = (struct wi_mgmt_auth_hdr *)pkt->WiHeader.addr4;
+
+ if (auth->wi_seq != 2) {
+ DPRINTF(("%s: auth wrong seq.nr (%x)\n",
+ USBDEVNAME(sc->atu_dev), auth->wi_seq));
+ break;
+ }
+ if (auth->wi_status != 0) {
+ DPRINTF(("%s: auth status error (%x)\n",
+ USBDEVNAME(sc->atu_dev), auth->wi_status));
+ break;
+ }
+
+ /* TODO: should check bssid & mac ! */
+
+ sc->atu_mgmt_flags |= ATU_AUTH_OK;
+ wakeup(sc);
+
+ /*
+ * TODO: DAAN Daan daan - Add challenge text blah blah
+ * (for shared-key systems)
+ */
+ /*
+ memcpy(the_challenge_text, ((u_int8_t *)&pkt->WiHeader) + 30,
+ the_challenge_length);
+ DPRINTF(("%s: challenge= %100D\n",
+ USBDEVNAME(sc->atu_dev), the_challende_text, " "));
+ */
+ break;
+
+ case WI_STYPE_MGMT_DEAUTH:
+ DPRINTF(("%s: the AP has de-authenticated "
+ "us\n", USBDEVNAME(sc->atu_dev)));
+
+ deauth = (struct wi_mgmt_deauth_hdr *)pkt->WiHeader.addr4;
+
+ DPRINTF(("autiw%d: de-authentication reason: %04x\n",
+ USBDEVNAME(sc->atu_dev), deauth->wi_reason));
+
+ /* TODO: should check bssid & mac ! */
+
+ /* wake up the state machine to get us re-authenticated */
+ sc->atu_mgmt_flags |= ATU_RE_AUTH;
+ wakeup(sc);
+ break;
+
+ case WI_STYPE_MGMT_ASRESP:
+ DPRINTF(("%s: received assoc response...\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ assoc = (struct wi_mgmt_asresp_hdr *)pkt->WiHeader.addr4;
+
+ if (assoc->wi_status == 0) {
+ sc->atu_mgmt_flags |= ATU_ASSOC_OK;
+ wakeup(sc);
+ } else {
+ DPRINTF(("%s: assoc status error (%x)\n",
+ USBDEVNAME(sc->atu_dev), assoc->wi_status));
+ break;
+ }
+
+ /* TODO: should check bssid & mac ! */
+ wakeup(sc);
+
+ break;
+
+ case WI_STYPE_MGMT_DISAS:
+ DPRINTF(("%s: the AP has de-associated us",
+ USBDEVNAME(sc->atu_dev)));
+
+ deassoc = (struct wi_mgmt_disas_hdr *)pkt->WiHeader.addr4;
+
+ DPRINTF(("autiw%d: de-association reason: %04x\n",
+ USBDEVNAME(sc->atu_dev), deassoc->wi_reason));
+
+ /* TODO: should check bssid & mac ! */
+
+ /* wake up the state machine to get us re-authenticated */
+ sc->atu_mgmt_flags |= ATU_RE_ASSOC;
+ wakeup(sc);
+ break;
+
+ case WI_STYPE_MGMT_PROBERESP:
+ DPRINTF(("%s: PROBE RESPONSE\n",
+ USBDEVNAME(sc->atu_dev)));
+ /* FALLTHROUGH */
+ case WI_STYPE_MGMT_BEACON:
+
+ beacon = (struct wi_80211_beacon *)&pkt->WiHeader.addr4;
+
+ /* Show beacon src MAC & signal strength */
+ DPRINTF(("%s: mgmt bssid=%s",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(pkt->WiHeader.addr3)));
+ DPRINTF((" mac=%s signal=%d\n",
+ ether_sprintf(pkt->WiHeader.addr2), pkt->AtHeader.rssi));
+
+ if (atudebug & FLAG_SIGNAL) {
+ /*
+ * calculate average signal strength, can be very
+ * usefull when precisely aiming antenna's
+ * NOTE: this is done on ALL beacons, so multiple
+ * stations can end up in the average. this only
+ * works well if we're only receiving one station.
+ */
+ sc->atu_signaltotal += pkt->AtHeader.rssi;
+ sc->atu_signaltotal -=
+ sc->atu_signalarr[sc->atu_signalptr];
+ sc->atu_signalarr[sc->atu_signalptr] =
+ pkt->AtHeader.rssi;
+ sc->atu_signalptr=(sc->atu_signalptr+1) %
+ ATU_AVG_TIME;
+ DPRINTF(("%s: mgmt mac=%s signal=%02d"
+ " ptr=%02d avg=%02d.%02d\n", USBDEVNAME(sc->atu_dev),
+ ether_sprintf(pkt->WiHeader.addr2), pkt->AtHeader.rssi,
+ sc->atu_signalptr,
+ sc->atu_signaltotal / ATU_AVG_TIME,
+ (sc->atu_signaltotal * 100 / ATU_AVG_TIME) %
+ 100));
+ }
+
+ DPRINTF(("%s: mgmt capabilities=%04x "
+ "(mode=%s, wep=%s, short-preamble=%s)\n", USBDEVNAME(sc->atu_dev),
+ beacon->flags,
+ (beacon->flags & IEEE80211_CAPINFO_ESS) ?
+ "infra" : "ad-hoc",
+ (beacon->flags & IEEE80211_CAPINFO_PRIVACY) ?
+ "on" : "off",
+ (beacon->flags & IEEE80211_CAPINFO_SHORT_PREAMBLE) ?
+ "yes" : "no"));
+
+ if (atudebug & FLAG_BEACONSFULL)
+ atu_print_beacon(sc, pkt);
+
+ if (!(sc->atu_mgmt_flags & ATU_SEARCHING))
+ break;
+
+ /* Let's have a closer look at this beacon... */
+ ptr = (u_int8_t *)pkt->WiHeader.addr4 + 12;
+ end = ptr + pkt->AtHeader.wlength - 24 - 12 - 4;
+ tlv = (struct tlv *)ptr;
+ match = 0;
+ while ((ptr<end) && (ptr + 2 + tlv->length <= end)) {
+ switch (tlv->type) {
+ case WI_VAR_SSID: /* SSID */
+ /* sanity check */
+ if (tlv->length > 32)
+ break;
+
+ tmp = tlv->value[tlv->length];
+ tlv->value[tlv->length] = 0;
+ sc->atu_ssid[sc->atu_ssidlen] = 0;
+ if (!strcmp(tlv->value, sc->atu_ssid)) {
+ match = 1;
+ }
+ tlv->value[tlv->length] = tmp;
+ break;
+ case WI_VAR_SRATES: /* Supported rates */
+ /*
+ * TODO: should check if we support all
+ * mandatory rates
+ */
+ break;
+ case WI_VAR_DS: /* DS (channel) */
+ if (match)
+ match_channel = *tlv->value;
+ break;
+ }
+
+ ptr += 2 + tlv->length;
+ tlv = (struct tlv *)ptr;
+ }
+
+ /* check mode... */
+ beacon = (struct wi_80211_beacon *)&pkt->WiHeader.addr4;
+ if (match) {
+ if ((sc->atu_mode == AD_HOC_MODE) &&
+ (beacon->flags & IEEE80211_CAPINFO_ESS))
+ match = 0;
+ if ((sc->atu_mode == INFRASTRUCTURE_MODE) &&
+ (!(beacon->flags & IEEE80211_CAPINFO_ESS)))
+ match = 0;
+
+ if (!match) {
+ DPRINTF(("%s: SSID matches, "
+ "but we're in %s mode instead of %s\n",
+ USBDEVNAME(sc->atu_dev),
+ (sc->atu_mode == AD_HOC_MODE) ?
+ "adhoc" : "infra",
+ (sc->atu_mode == AD_HOC_MODE) ?
+ "infra" : "adhoc"));
+ break;
+ }
+ }
+
+ if (match) {
+ DPRINTF(("%s: ==> MATCH! (BSSID=%s, ch=%d)\n",
+ USBDEVNAME(sc->atu_dev),
+ ether_sprintf(pkt->WiHeader.addr3), match_channel));
+
+ /*
+ * TODO: should do some channel-checking here instead
+ * of just ignoring the channel the user sets
+ */
+
+ memcpy(sc->atu_bssid, pkt->WiHeader.addr3,
+ ETHER_ADDR_LEN);
+ sc->atu_channel = match_channel;
+
+ sc->atu_mgmt_flags &= ~ATU_SEARCHING;
+ sc->atu_mgmt_flags |= ATU_FOUND_BSSID;
+ }
+
+ break;
+
+ default:
+ DPRINTF(("%s: FIXME: unhandled mgmt type! "
+ "(stype=%x)\n", USBDEVNAME(sc->atu_dev),
+ pkt->WiHeader.frame_ctl & WI_FCTL_STYPE));
+ }
+}
+
+/*
+ * A frame has been uploaded: pass the resulting mbuf chain up to
+ * the higher level protocols.
+ */
+void
+atu_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv,
+ usbd_status status)
+{
+ struct atu_chain *c = (struct atu_chain *)priv;
+ struct atu_softc *sc = c->atu_sc;
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+ struct mbuf *m;
+ u_int32_t total_len;
+ int s;
+
+ struct atu_rxpkt *pkt;
+ struct ether_header *eth_hdr;
+ int offset;
+
+ DPRINTFN(10, ("%s: atu_rxeof: enter\n", USBDEVNAME(sc->atu_dev)));
+
+ if (sc->atu_dying)
+ return;
+
+ if (!(ifp->if_flags & IFF_RUNNING))
+ return;
+
+ DPRINTF(("%s: got a packet\n", USBDEVNAME(sc->atu_dev)));
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ DPRINTF(("%s: status != USBD_NORMAL_COMPLETION\n",
+ USBDEVNAME(sc->atu_dev)));
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
+ return;
+ }
+#if 0
+ if (status == USBD_IOERROR) {
+ DPRINTF(("%s: rx: EEK! lost device?\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ /*
+ * My experience with USBD_IOERROR is that trying to
+ * restart the transfer will always fail and we'll
+ * keep on looping restarting transfers untill someone
+ * pulls the plug of the device.
+ * So we don't restart the transfer, but just let it
+ * die... If someone knows of a situation where we can
+ * recover from USBD_IOERROR, let me know.
+ */
+ splx(s);
+ return;
+ }
+#endif /* 0 */
+
+ if (usbd_ratecheck(&sc->atu_rx_notice)) {
+ DPRINTF(("%s: usb error on rx: %s\n",
+ USBDEVNAME(sc->atu_dev), usbd_errstr(status)));
+ }
+ if (status == USBD_STALLED)
+ usbd_clear_endpoint_stall(
+ sc->atu_ep[ATU_ENDPT_RX]);
+ goto done;
+ }
+
+ usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL);
+
+ m = c->atu_mbuf;
+
+ if (total_len <= 1) {
+ DPRINTF(("%s: atuw_rxeof: too short\n",
+ USBDEVNAME(sc->atu_dev)));
+ goto done;
+ }
+
+ pkt = mtod(m, struct atu_rxpkt *);
+
+#if 0
+#if NBPFILTER > 0
+ if (ifp->if_bpf)
+ bpf_tap(ifp->if_bpf, (u_int8_t *)&pkt->WiHeader,
+ pkt->AtHeader.wlength);
+#if 0
+ if (ifp->if_bpf) {
+ printf("HELKLO@#\n");
+ BPF_MTAP(ifp, m);
+ }
+#endif
+#endif
+#endif
+
+#if 0
+ /* drop the raw 802.11b packets to bpf (including 4-byte FCS) */
+ if (sc->atu_rawbpf) {
+ /*
+ * TODO: could drop mbuf's to bpf
+ */
+ DPRINTF(("%s: bpf raw tap on RX :)\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ bpf_tap(sc->atu_rawbpf, (u_int8_t *)&pkt->WiHeader,
+ pkt->AtHeader.wlength);
+ }
+#endif
+#if 0
+ /* drop the raw 802.11b packets to bpf (with aironet header) */
+ if (sc->atu_airobpf) {
+ DPRINTF(("%s: bpf aironet tap on RX\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ atu_airo_tap(sc, (u_int8_t *)&pkt->WiHeader,
+ pkt->AtHeader.wlength - 4, &pkt->AtHeader);
+ }
+#endif
+
+ DPRINTFN(10, ("%s: -- RX (rate=%d enc=%d) mac=%s",
+ USBDEVNAME(sc->atu_dev), pkt->AtHeader.rx_rate,
+ (pkt->WiHeader.frame_ctl & WI_FCTL_WEP) != 0,
+ ether_sprintf(pkt->WiHeader.addr3)));
+ DPRINTFN(10, (" bssid=%s\n", ether_sprintf(pkt->WiHeader.addr2)));
+
+ if (pkt->WiHeader.frame_ctl & WI_FCTL_WEP) {
+ DPRINTF(("%s: WEP enabled on RX\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ /* Is it a managment packet? */
+ if ((pkt->WiHeader.frame_ctl & WI_FCTL_FTYPE) == WI_FTYPE_MGMT) {
+ atu_handle_mgmt_packet(sc, pkt);
+ goto done;
+ }
+
+ /* Everything but data packets we just ignore from here */
+ if ((pkt->WiHeader.frame_ctl & WI_FCTL_FTYPE) != WI_FTYPE_DATA) {
+ DPRINTF(("%s: ---- not a data packet? ---\n",
+ USBDEVNAME(sc->atu_dev)));
+ goto done;
+ }
+
+ /* Woohaa! It's an ethernet packet! */
+ DPRINTF(("%s: received a packet! rx-rate: %d\n",
+ USBDEVNAME(sc->atu_dev), pkt->AtHeader.rx_rate));
+
+ /* drop non-encrypted packets if wep-mode=on */
+ if ((!(pkt->WiHeader.frame_ctl & WI_FCTL_WEP)) &&
+ (sc->atu_encrypt & ATU_WEP_RX)) {
+ DPRINTF(("%s: dropping RX packet. (wep=off)\n",
+ USBDEVNAME(sc->atu_dev)));
+ goto done;
+ }
+
+ DPRINTF(("%s: rx frag:%02x rssi:%02x q:%02x nl:%02x "
+ "time:%d\n", USBDEVNAME(sc->atu_dev), pkt->AtHeader.fragmentation,
+ pkt->AtHeader.rssi, pkt->AtHeader.link_quality,
+ pkt->AtHeader.noise_level, pkt->AtHeader.rx_time));
+
+ /* Do some sanity checking... */
+ if (total_len < sizeof(struct ether_header)) {
+ DPRINTF(("%s: Packet too small?? (size:%d)\n",
+ USBDEVNAME(sc->atu_dev), total_len));
+ ifp->if_ierrors++;
+ goto done;
+ }
+ /* if (total_len > 1514) { */
+ if (total_len > 1548) {
+ DPRINTF(("%s: AAARRRGGGHHH!! Invalid packet size? (%d)\n",
+ USBDEVNAME(sc->atu_dev), total_len));
+ ifp->if_ierrors++;
+ goto done;
+ }
+
+ /*
+ * Copy src & dest mac to the right place (overwriting part of the
+ * 802.11 header)
+ */
+ eth_hdr = (struct ether_header *)(pkt->Packet - 2 * ETHER_ADDR_LEN);
+
+ switch (pkt->WiHeader.frame_ctl & (WI_FCTL_TODS | WI_FCTL_FROMDS)) {
+ case 0:
+ /* ad-hoc: copy order doesn't matter here */
+ memcpy(eth_hdr->ether_shost, pkt->WiHeader.addr2,
+ ETHER_ADDR_LEN);
+ memcpy(eth_hdr->ether_dhost, pkt->WiHeader.addr1,
+ ETHER_ADDR_LEN);
+ break;
+
+ case WI_FCTL_FROMDS:
+ /* infra mode: MUST be done in this order! */
+ memcpy(eth_hdr->ether_shost, pkt->WiHeader.addr3,
+ ETHER_ADDR_LEN);
+ memcpy(eth_hdr->ether_dhost, pkt->WiHeader.addr1,
+ ETHER_ADDR_LEN);
+
+ DPRINTF(("%s: infra decap (%d bytes)\n",
+ USBDEVNAME(sc->atu_dev), pkt->AtHeader.wlength));
+ DPRINTF(("%s: RX: %50D\n", USBDEVNAME(sc->atu_dev),
+ (u_int8_t *)&pkt->WiHeader, " "));
+ break;
+
+ default:
+ DPRINTF(("%s: we shouldn't receive this (f_cntl=%02x)\n",
+ USBDEVNAME(sc->atu_dev), pkt->WiHeader.frame_ctl));
+ }
+
+ /* calculate 802.3 packet length (= packet - 802.11 hdr - fcs) */
+ total_len = pkt->AtHeader.wlength - sizeof(struct wi_80211_hdr) +
+ 2 * ETHER_ADDR_LEN - 4;
+
+ ifp->if_ipackets++;
+ m->m_pkthdr.rcvif = &sc->arpcom.ac_if;
+
+ /* Adjust mbuf for headers */
+ offset = sizeof(struct at76c503_rx_buffer) +
+ sizeof(struct wi_80211_hdr) - 12;
+ m->m_pkthdr.len = m->m_len = total_len + offset;
+ m_adj(m, offset);
+
+ s = splnet();
+
+ if (atu_newbuf(sc, c, NULL) == ENOBUFS) {
+ ifp->if_ierrors++;
+ goto done1;
+ }
+
+#if NBPFILTER > 0
+ if (ifp->if_bpf)
+ BPF_MTAP(ifp, m);
+#endif
+
+ IF_INPUT(ifp, m);
+
+done1:
+ splx(s);
+done:
+ /* Put transfer back into rx-chain */
+ SLIST_INSERT_HEAD(&sc->atu_cdata.atu_rx_free, c, atu_list);
+
+ /* Setup new transfer. */
+ usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_RX],
+ c, mtod(c->atu_mbuf, char *), ATU_RX_BUFSZ,
+ USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof);
+ usbd_transfer(c->atu_xfer);
+}
+
+/*
+ * A frame was downloaded to the chip. It's safe for us to clean up
+ * the list buffers.
+ */
+void
+atu_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct atu_softc *sc;
+ struct atu_chain *c;
+ struct ifnet *ifp;
+ usbd_status err;
+ int s;
+
+ c = priv;
+ sc = c->atu_sc;
+ s = splusb();
+
+ ifp = &sc->arpcom.ac_if;
+ ifp->if_timer = 0;
+ c->atu_in_xfer = 0;
+
+ if (c->atu_mbuf != NULL) {
+ /* put it back on the tx_list */
+ sc->atu_cdata.atu_tx_inuse--;
+ SLIST_INSERT_HEAD(&sc->atu_cdata.atu_tx_free, c,
+ atu_list);
+ } else {
+ /* put it back on the mgmt_list */
+ SLIST_INSERT_HEAD(&sc->atu_cdata.atu_mgmt_free, c,
+ atu_list);
+ }
+ /*
+ * turn off active flag if we're done transmitting.
+ * we don't depend on the active flag anywhere. do we still need to
+ * set it then?
+ */
+ if (sc->atu_cdata.atu_tx_inuse == 0) {
+ ifp->if_flags &= ~IFF_OACTIVE;
+ }
+ DPRINTF(("%s: txeof me=%d status=%d\n", USBDEVNAME(sc->atu_dev),
+ c->atu_idx, status));
+
+ if (status != USBD_NORMAL_COMPLETION) {
+ if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
+ splx(s);
+ return;
+ }
+
+ DPRINTF(("%s: usb error on tx: %s\n", USBDEVNAME(sc->atu_dev),
+ usbd_errstr(status)));
+ if (status == USBD_STALLED)
+ usbd_clear_endpoint_stall(
+ sc->atu_ep[ATU_ENDPT_TX]);
+ splx(s);
+ return;
+ }
+
+ usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, &err);
+
+ if (c->atu_mbuf != NULL) {
+ m_freem(c->atu_mbuf);
+ c->atu_mbuf = NULL;
+ if (ifp->if_snd.ifq_head != NULL)
+ atu_start(ifp);
+ }
+
+ if (err)
+ ifp->if_oerrors++;
+ else
+ ifp->if_opackets++;
+ splx(s);
+}
+
+#ifdef ATU_TX_PADDING
+u_int8_t
+atu_calculate_padding(int size)
+{
+ size %= 64;
+
+ if (size < 50)
+ return 50 - size;
+ if (size >=61)
+ return 64 + 50 - size;
+ return 0;
+}
+#endif /* ATU_TX_PADDING */
+
+int
+atu_encap(struct atu_softc *sc, struct mbuf *m, struct atu_chain *c)
+{
+ int total_len;
+ struct atu_txpkt *pkt;
+ struct ether_header *eth_hdr;
+#ifdef ATU_TX_PADDING
+ u_int8_t padding;
+#endif /* ATU_TX_PADDING */
+
+ /*
+ * Copy the mbuf data into a contiguous buffer, leaving
+ * enough room for the atmel & 802.11 headers
+ */
+ total_len = m->m_pkthdr.len;
+
+ m_copydata(m, 0, m->m_pkthdr.len, c->atu_buf +
+ sizeof(pkt->AtHeader) + sizeof(struct wi_80211_hdr) -
+ 2 * ETHER_ADDR_LEN);
+
+ total_len += sizeof(struct wi_80211_hdr) - 2 * ETHER_ADDR_LEN;
+
+ pkt = (struct atu_txpkt *)c->atu_buf;
+ pkt->AtHeader.wlength = total_len;
+ /*pkt->AtHeader.tx_rate = 4; rate = auto */
+ /* DAAN Daan daan !!! */
+ pkt->AtHeader.tx_rate = 0;
+ pkt->AtHeader.padding = 0;
+ memset(pkt->AtHeader.reserved, 0x00, 4);
+
+ pkt->WiHeader.dur_id = 0x0000; /* ? */
+ pkt->WiHeader.frame_ctl = WI_FTYPE_DATA;
+
+ eth_hdr = (struct ether_header *)(pkt->Packet - 2 * ETHER_ADDR_LEN);
+
+ switch(sc->atu_mode) {
+ case AD_HOC_MODE:
+ /* dest */
+ memcpy(pkt->WiHeader.addr1, eth_hdr->ether_dhost,
+ ETHER_ADDR_LEN);
+ /* src */
+ memcpy(pkt->WiHeader.addr2, eth_hdr->ether_shost,
+ ETHER_ADDR_LEN);
+ /* bssid */
+ memcpy(pkt->WiHeader.addr3, sc->atu_bssid, ETHER_ADDR_LEN);
+ DPRINTF(("%s: adhoc encap (bssid=%s)\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(sc->atu_bssid)));
+ break;
+
+ case INFRASTRUCTURE_MODE:
+ pkt->WiHeader.frame_ctl|=WI_FCTL_TODS;
+ /* bssid */
+ memcpy(pkt->WiHeader.addr1, sc->atu_bssid, ETHER_ADDR_LEN);
+ /* src */
+ memcpy(pkt->WiHeader.addr2, eth_hdr->ether_shost,
+ ETHER_ADDR_LEN);
+ /* dst */
+ memcpy(pkt->WiHeader.addr3, eth_hdr->ether_dhost,
+ ETHER_ADDR_LEN);
+
+ DPRINTF(("%s: infra encap (bssid=%s)\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(sc->atu_bssid)));
+ }
+ memset(pkt->WiHeader.addr4, 0x00, ETHER_ADDR_LEN);
+ pkt->WiHeader.seq_ctl = 0;
+
+ if (sc->atu_encrypt & ATU_WEP_TX) {
+ pkt->WiHeader.frame_ctl |= WI_FCTL_WEP;
+ DPRINTF(("%s: turning WEP on on packet\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ total_len += sizeof(pkt->AtHeader);
+#ifdef ATU_TX_PADDING
+ padding = atu_calculate_padding(total_len % 64);
+ total_len += padding;
+ pkt->AtHeader.padding = padding;
+#endif /* ATU_TX_PADDING */
+ c->atu_length = total_len;
+ c->atu_mbuf = m;
+ return(0);
+}
+
+void
+atu_start(struct ifnet *ifp)
+{
+ struct atu_softc *sc = ifp->if_softc;
+ struct mbuf *m_head = NULL;
+ struct atu_cdata *cd;
+ struct atu_chain *entry;
+ usbd_status err;
+ int s;
+
+ s = splnet();
+ if (ifp->if_flags & IFF_OACTIVE) {
+ splx(s);
+ return;
+ }
+
+ IFQ_POLL(&ifp->if_snd, m_head);
+ if (m_head == NULL) {
+ splx(s);
+ return;
+ }
+
+ entry = SLIST_FIRST(&sc->atu_cdata.atu_tx_free);
+ while (entry) {
+ if (entry == NULL) {
+ /* all transfers are in use at this moment */
+ splx(s);
+ return;
+ }
+
+ if (sc->atu_mgmt_vars.state != STATE_HAPPY_NETWORKING) {
+ /* don't try to send if we're not associated */
+ splx(s);
+ return;
+ }
+
+ cd = &sc->atu_cdata;
+
+ IF_DEQUEUE(&ifp->if_snd, m_head);
+ if (m_head == NULL) {
+ /* no packets on queue */
+ splx(s);
+ return;
+ }
+
+ SLIST_REMOVE_HEAD(&sc->atu_cdata.atu_tx_free, atu_list);
+
+ ifp->if_flags |= IFF_OACTIVE;
+ cd->atu_tx_inuse++;
+
+ DPRINTF(("%s: index:%d (inuse=%d)\n",
+ USBDEVNAME(sc->atu_dev), entry->atu_idx, cd->atu_tx_inuse));
+
+ err = atu_encap(sc, m_head, entry);
+ if (err) {
+ DPRINTF(("%s: error encapsulating packet!\n",
+ USBDEVNAME(sc->atu_dev)));
+ IF_PREPEND(&ifp->if_snd, m_head);
+ if (--cd->atu_tx_inuse == 0)
+ ifp->if_flags &= ~IFF_OACTIVE;
+ splx(s);
+ return;
+ }
+ err = atu_send_packet(sc, entry);
+ if (err) {
+ DPRINTF(("%s: error sending packet!\n",
+ USBDEVNAME(sc->atu_dev)));
+ splx(s);
+ return;
+ }
+
+#if NBPFILTER > 0
+#if 0
+ if (sc->atu_airobpf)
+ bpf_mtap(sc->atu_airobpf, m_head);
+#endif
+
+ if (ifp->if_bpf)
+ BPF_MTAP(ifp, m_head);
+#endif
+
+ /*
+ * Set a timeout in case the chip goes out to lunch.
+ */
+ ifp->if_timer = 5;
+ entry = SLIST_FIRST(&sc->atu_cdata.atu_tx_free);
+ }
+ splx(s);
+}
+
+void
+atu_init(void *xsc)
+{
+ struct atu_softc *sc = xsc;
+ struct ifnet *ifp = &sc->arpcom.ac_if;
+ struct atu_chain *c;
+ struct atu_cdata *cd = &sc->atu_cdata;
+ usbd_status err;
+ int i, s;
+
+ s = splnet();
+
+ DPRINTF(("%s: atu_init\n", USBDEVNAME(sc->atu_dev)));
+
+ if (ifp->if_flags & IFF_RUNNING) {
+ splx(s);
+ return;
+ }
+
+ /* Init TX ring */
+ if (atu_xfer_list_init(sc, cd->atu_tx_chain, ATU_TX_LIST_CNT, 0,
+ ATU_TX_BUFSZ, &cd->atu_tx_free)) {
+ DPRINTF(("%s: tx list init failed\n", USBDEVNAME(sc->atu_dev)));
+ }
+
+ /* Init RX ring */
+ if (atu_xfer_list_init(sc, cd->atu_rx_chain, ATU_RX_LIST_CNT, 1,
+ 0, &cd->atu_rx_free)) {
+ DPRINTF(("%s: rx list init failed\n", USBDEVNAME(sc->atu_dev)));
+ }
+
+ /* Init mgmt ring */
+ if (atu_xfer_list_init(sc, cd->atu_mgmt_chain,
+ ATU_MGMT_LIST_CNT, 0, ATU_MGMT_BUFSZ, &cd->atu_mgmt_free)) {
+ DPRINTF(("%s: rx list init failed\n", USBDEVNAME(sc->atu_dev)));
+ }
+
+ /* Load the multicast filter. */
+ /*atu_setmulti(sc); */
+
+ /* Open RX and TX pipes. */
+ err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_RX],
+ USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_RX]);
+ if (err) {
+ DPRINTF(("%s: open rx pipe failed: %s\n", USBDEVNAME(sc->atu_dev),
+ usbd_errstr(err)));
+ splx(s);
+ return;
+ }
+
+ err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_TX],
+ USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_TX]);
+ if (err) {
+ DPRINTF(("%s: open tx pipe failed: %s\n", USBDEVNAME(sc->atu_dev),
+ usbd_errstr(err)));
+ splx(s);
+ return;
+ }
+
+ /* Start up the receive pipe. */
+ for (i = 0; i < ATU_RX_LIST_CNT; i++) {
+ c = &sc->atu_cdata.atu_rx_chain[i];
+
+ usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_RX],
+ c, mtod(c->atu_mbuf, char *), ATU_RX_BUFSZ,
+ USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof);
+ usbd_transfer(c->atu_xfer);
+ }
+
+ bcopy((char *)&sc->arpcom.ac_enaddr, sc->atu_mac_addr,
+ ETHER_ADDR_LEN);
+ DPRINTF(("%s: starting up using MAC=%s\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(sc->atu_mac_addr)));
+
+ /* Do initial setup */
+ err = atu_initial_config(sc);
+ if (err) {
+ DPRINTF(("%s: initial config failed!\n",
+ USBDEVNAME(sc->atu_dev)));
+ splx(s);
+ return;
+ }
+ DPRINTF(("%s: initialised transceiver\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ /* Fire up managment task */
+ DPRINTF(("%s: trying to start mgmt task...\n",
+ USBDEVNAME(sc->atu_dev)));
+ if (!(sc->atu_mgmt_flags & ATU_TASK_RUNNING)) {
+ sc->atu_dying = 0;
+ err = kthread_create(atu_mgmt_loop, sc,
+ &sc->atu_mgmt_thread, USBDEVNAME(sc->atu_dev));
+ if (err) {
+ DPRINTF(("%s: failed to create kthread\n",
+ USBDEVNAME(sc->atu_dev)));
+ }
+
+ sc->atu_mgmt_flags |= ATU_TASK_RUNNING;
+ }
+
+ /* sc->atu_rxfilt = ATU_RXFILT_UNICAST|ATU_RXFILT_BROADCAST; */
+
+ /* If we want promiscuous mode, set the allframes bit. */
+ /*
+ if (ifp->if_flags & IFF_PROMISC)
+ sc->atu_rxfilt |= ATU_RXFILT_PROMISC;
+ */
+
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+
+ ifp->if_flags |= IFF_RUNNING;
+ ifp->if_flags &= ~IFF_OACTIVE;
+ splx(s);
+}
+
+void
+atu_print_a_bunch_of_debug_things(struct atu_softc *sc)
+{
+ usbd_status err;
+ u_int8_t tmp[32];
+
+ /* DEBUG */
+ err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: current BSSID=%s\n",
+ USBDEVNAME(sc->atu_dev), ether_sprintf(tmp)));
+
+ err = atu_get_mib(sc, MIB_MAC_MGMT__BEACON_PERIOD, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: beacon period=%d\n",
+ USBDEVNAME(sc->atu_dev), tmp[0]));
+
+ err = atu_get_mib(sc, MIB_MAC_WEP__PRIVACY_INVOKED, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: privacy invoked=%d\n",
+ USBDEVNAME(sc->atu_dev), tmp[0]));
+
+ err = atu_get_mib(sc, MIB_MAC_WEP__ENCR_LEVEL, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: encr_level=%d\n",
+ USBDEVNAME(sc->atu_dev), tmp[0]));
+
+ err = atu_get_mib(sc, MIB_MAC_WEP__ICV_ERROR_COUNT, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: icv error count=%d\n",
+ USBDEVNAME(sc->atu_dev), *(short *)tmp));
+
+ err = atu_get_mib(sc, MIB_MAC_WEP__EXCLUDED_COUNT, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: wep excluded count=%d\n",
+ USBDEVNAME(sc->atu_dev), *(short *)tmp));
+
+ err = atu_get_mib(sc, MIB_MAC_MGMT__POWER_MODE, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: power mode=%d\n", USBDEVNAME(sc->atu_dev),
+ tmp[0]));
+
+ err = atu_get_mib(sc, MIB_PHY__CHANNEL, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: channel=%d\n", USBDEVNAME(sc->atu_dev),
+ tmp[0]));
+
+ err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: reg domain=%d\n", USBDEVNAME(sc->atu_dev),
+ tmp[0]));
+
+ err = atu_get_mib(sc, MIB_LOCAL__SSID_SIZE, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: ssid size=%d\n", USBDEVNAME(sc->atu_dev),
+ tmp[0]));
+
+ err = atu_get_mib(sc, MIB_LOCAL__BEACON_ENABLE, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: beacon enable=%d\n",
+ USBDEVNAME(sc->atu_dev), tmp[0]));
+
+ err = atu_get_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: auto rate fallback=%d\n",
+ USBDEVNAME(sc->atu_dev), tmp[0]));
+
+ err = atu_get_mib(sc, MIB_MAC_ADDR__ADDR, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: mac addr=%s\n", USBDEVNAME(sc->atu_dev),
+ ether_sprintf(tmp)));
+
+ err = atu_get_mib(sc, MIB_MAC__DESIRED_SSID, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: desired ssid=%s\n",
+ USBDEVNAME(sc->atu_dev), tmp));
+
+ err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_ESSID, tmp);
+ if (err) return;
+ DPRINTF(("%s: DEBUG: current ESSID=%s\n",
+ USBDEVNAME(sc->atu_dev), tmp));
+
+}
+
+int
+atu_set_wepkey(struct atu_softc *sc, int nr, u_int8_t *key, int len)
+{
+ if ((len != 5) && (len != 13))
+ return EINVAL;
+
+ DPRINTF(("%s: changed wepkey %d (len=%d)\n",
+ USBDEVNAME(sc->atu_dev), nr, len));
+
+ memcpy(sc->atu_wepkeys[nr], key, len);
+ if (len == 13)
+ sc->atu_wepkeylen = ATU_WEP_104BITS;
+ else
+ sc->atu_wepkeylen = ATU_WEP_40BITS;
+
+ atu_send_mib(sc, MIB_MAC_WEP__ENCR_LEVEL, NR(sc->atu_wepkeylen));
+ return atu_send_mib(sc, MIB_MAC_WEP__KEYS(nr), key);
+}
+
+int
+atu_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
+{
+ struct atu_softc *sc = ifp->if_softc;
+
+ struct ifreq *ifr = (struct ifreq *)data;
+ struct ifaddr *ifa = (struct ifaddr *)data;
+ struct ieee80211req *ireq;
+ int err = 0;
+#if 0
+ u_int8_t tmp[32] = "";
+ int len = 0;
+#endif
+ struct ieee80211_nwid nwid;
+ struct wi_req wreq;
+ int change, s;
+
+ s = splnet();
+ ireq = (struct ieee80211req *)data;
+ change = ifp->if_flags ^ sc->atu_if_flags;
+
+ DPRINTF(("atu_ioctl: command=%lu\n", command));
+
+ switch (command) {
+ case SIOCSIFADDR:
+ DPRINTF(("%s: SIOCSIFADDR\n", USBDEVNAME(sc->atu_dev)));
+
+ ifp->if_flags |= IFF_UP;
+ atu_init(sc);
+
+ switch (ifa->ifa_addr->sa_family) {
+#ifdef INET
+ case AF_INET:
+ arp_ifinit(&sc->arpcom, ifa);
+ break;
+#endif /* INET */
+ }
+ break;
+
+
+ case SIOCSIFMTU:
+ if (ifr->ifr_mtu > ATU_MAX_MTU)
+ err = EINVAL;
+ else
+ ifp->if_mtu = ifr->ifr_mtu;
+ break;
+
+ case SIOCSIFFLAGS:
+ DPRINTF(("%s: SIOCSIFFLAGS\n", USBDEVNAME(sc->atu_dev)));
+
+ if (ifp->if_flags & IFF_UP) {
+ if (ifp->if_flags & IFF_RUNNING &&
+ ifp->if_flags & IFF_PROMISC &&
+ !(sc->atu_if_flags & IFF_PROMISC)) {
+/* enable promisc */
+#if 0
+ sc->atu_rxfilt |= ATU_RXFILT_PROMISC;
+ atu_setword(sc, ATU_CMD_SET_PKT_FILTER,
+ sc->atu_rxfilt);
+#endif
+ } else if (ifp->if_flags & IFF_RUNNING &&
+ !(ifp->if_flags & IFF_PROMISC) &&
+ sc->atu_if_flags & IFF_PROMISC) {
+/* disable promisc */
+#if 0
+ sc->atu_rxfilt &= ~ATU_RXFILT_PROMISC;
+ atu_setword(sc, ATU_CMD_SET_PKT_FILTER,
+ sc->atu_rxfilt);
+#endif
+ } else if (!(ifp->if_flags & IFF_RUNNING))
+ atu_init(sc);
+
+#if 0
+ DPRINTF(("%s: ioctl calling "
+ "atu_init()\n", USBDEVNAME(sc->atu_dev)));
+ atu_init(sc);
+ err = atu_switch_radio(sc, 1);
+#endif
+ } else {
+ if (ifp->if_flags & IFF_RUNNING)
+ atu_stop(sc);
+ err = atu_switch_radio(sc, 0);
+ }
+ sc->atu_if_flags = ifp->if_flags;
+
+ err = 0;
+ break;
+
+ case SIOCADDMULTI:
+ DPRINTF(("%s: SIOCADDMULTI\n", USBDEVNAME(sc->atu_dev)));
+ /* TODO: implement */
+ err = 0;
+ break;
+
+ case SIOCDELMULTI:
+ DPRINTF(("%s: SIOCDELMULTI\n", USBDEVNAME(sc->atu_dev)));
+ /* TODO: implement */
+ err = 0;
+ break;
+
+ case SIOCS80211NWID:
+ DPRINTF(("%s: SIOCS80211NWID\n", USBDEVNAME(sc->atu_dev)));
+ err = copyin(ifr->ifr_data, &nwid, sizeof(nwid));
+ if (err)
+ break;
+ if (nwid.i_len > IEEE80211_NWID_LEN) {
+ err = EINVAL;
+ break;
+ }
+ sc->atu_ssidlen = nwid.i_len;
+ memcpy(sc->atu_ssid, nwid.i_nwid, nwid.i_len);
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ break;
+
+ case SIOCG80211NWID:
+ DPRINTF(("%s: SIOGS80211NWID\n", USBDEVNAME(sc->atu_dev)));
+ nwid.i_len = sc->atu_ssidlen;
+ memcpy(nwid.i_nwid, sc->atu_ssid, nwid.i_len);
+ err = copyout(&nwid, ifr->ifr_data, sizeof(nwid));
+ atu_print_a_bunch_of_debug_things(sc);
+ break;
+
+#if 0
+ case SIOCG80211:
+ switch(ireq->i_type) {
+ case IEEE80211_IOC_SSID:
+ err = copyout(sc->atu_ssid, ireq->i_data,
+ sc->atu_ssidlen);
+ ireq->i_len = sc->atu_ssidlen;
+ break;
+
+ case IEEE80211_IOC_NUMSSIDS:
+ ireq->i_val = 1;
+ break;
+
+ case IEEE80211_IOC_CHANNEL:
+ ireq->i_val = sc->atu_channel;
+
+ /*
+ * every time the channel is requested, we errr...
+ * print a bunch of debug things :)
+ */
+ atu_print_a_bunch_of_debug_things(sc);
+ break;
+
+ case IEEE80211_IOC_AUTHMODE:
+ /* TODO: change this when shared-key is implemented */
+ ireq->i_val = IEEE80211_AUTH_OPEN;
+ break;
+
+ case IEEE80211_IOC_WEP:
+ switch (sc->atu_encrypt) {
+ case ATU_WEP_TX:
+ ireq->i_val = IEEE80211_WEP_MIXED;
+ break;
+ case ATU_WEP_TXRX:
+ ireq->i_val = IEEE80211_WEP_ON;
+ break;
+ default:
+ ireq->i_val = IEEE80211_WEP_OFF;
+ }
+ break;
+
+ case IEEE80211_IOC_NUMWEPKEYS:
+ ireq->i_val = 4;
+ break;
+
+ case IEEE80211_IOC_WEPKEY:
+ err = suser(curproc, 0);
+ if (err)
+ break;
+
+ if((ireq->i_val < 0) || (ireq->i_val > 3)) {
+ err = EINVAL;
+ break;
+ }
+
+ if (sc->atu_encrypt == ATU_WEP_40BITS)
+ len = 5;
+ else
+ len = 13;
+
+ err = copyout(sc->atu_wepkeys[ireq->i_val],
+ ireq->i_data, len);
+ break;
+
+ case IEEE80211_IOC_WEPTXKEY:
+ ireq->i_val = sc->atu_wepkey;
+ break;
+
+ default:
+ DPRINTF(("%s: ioctl: unknown 80211: "
+ "%04x %d\n", USBDEVNAME(sc->atu_dev), ireq->i_type,
+ ireq->i_type));
+ err = EINVAL;
+ }
+ break;
+
+ case SIOCS80211:
+ err = suser(curproc, 0);
+ if (err)
+ break;
+
+ switch(ireq->i_type) {
+ case IEEE80211_IOC_SSID:
+ if (ireq->i_len < 0 || ireq->i_len > 32) {
+ err = EINVAL;
+ break;
+ }
+
+ err = copyin(ireq->i_data, tmp, ireq->i_len);
+ if (err)
+ break;
+
+ sc->atu_ssidlen = ireq->i_len;
+ memcpy(sc->atu_ssid, tmp, ireq->i_len);
+
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ break;
+
+ case IEEE80211_IOC_CHANNEL:
+ if (ireq->i_val < 1 || ireq->i_val > 14) {
+ err = EINVAL;
+ break;
+ }
+
+ sc->atu_channel = ireq->i_val;
+
+ /* restart scan / join / etc now */
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ break;
+
+ case IEEE80211_IOC_WEP:
+ switch (ireq->i_val) {
+ case IEEE80211_WEP_OFF:
+ sc->atu_encrypt = ATU_WEP_OFF;
+ break;
+ case IEEE80211_WEP_MIXED:
+ sc->atu_encrypt = ATU_WEP_TX;
+ break;
+ case IEEE80211_WEP_ON:
+ sc->atu_encrypt = ATU_WEP_TXRX;
+ break;
+ default:
+ err = EINVAL;
+ }
+ if (err)
+ break;
+
+ /*
+ * to change the wep-bit in our beacon we HAVE to send
+ * CMD_STARTUP again
+ */
+ err = atu_initial_config(sc);
+ /*
+ * after that we have to send CMD_JOIN again to get
+ * the receiver running again. so we'll just
+ * restart the entire join/assoc/auth state-machine.
+ */
+ sc->atu_mgmt_flags |= ATU_CHANGED_SETTINGS;
+ wakeup(sc);
+ break;
+
+ case IEEE80211_IOC_WEPKEY:
+ if ((ireq->i_val < 0) || (ireq->i_val > 3) ||
+ (ireq->i_len > 13)) {
+ err = EINVAL;
+ break;
+ }
+ err = copyin(ireq->i_data, tmp, ireq->i_len);
+ if (err)
+ break;
+ err = atu_set_wepkey(sc, ireq->i_val, tmp,
+ ireq->i_len);
+ break;
+
+ case IEEE80211_IOC_WEPTXKEY:
+ if ((ireq->i_val < 0) || (ireq->i_val > 3)) {
+ err = EINVAL;
+ break;
+ }
+ sc->atu_wepkey = ireq->i_val;
+ err = atu_send_mib(sc, MIB_MAC_WEP__KEY_ID,
+ NR(sc->atu_wepkey));
+
+ break;
+
+ case IEEE80211_IOC_AUTHMODE:
+ /* TODO: change when shared-key is implemented */
+ if (ireq->i_val != IEEE80211_AUTH_OPEN)
+ err = EINVAL;
+ break;
+
+ default:
+ err = EINVAL;
+ }
+ break;
+#endif
+
+ case SIOCSIFMEDIA:
+ case SIOCGIFMEDIA:
+ err = ifmedia_ioctl(ifp, ifr, &sc->atu_media, command);
+ break;
+
+ case SIOCGWAVELAN:
+ DPRINTF(("%s: ioctl: get wavelan\n",
+ USBDEVNAME(sc->atu_dev)));
+ /*
+ err = ether_ioctl(ifp, &sc->arpcom, command, data);
+ break;
+ */
+
+ /* TODO: implement */
+
+ err = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
+ if (err)
+ break;
+
+ DPRINTF(("%s: SIOCGWAVELAN\n", USBDEVNAME(sc->atu_dev)));
+ if (wreq.wi_len > WI_MAX_DATALEN) {
+ err = EINVAL;
+ break;
+ }
+
+ DPRINTF(("%s: ioctl: wi_type=%04x %d\n",
+ USBDEVNAME(sc->atu_dev), wreq.wi_type, wreq.wi_type));
+ err = 0;
+ /* err = EINVAL; */
+ break;
+
+ case SIOCSWAVELAN:
+ DPRINTF(("%s: ioctl: wavset type=%x\n",
+ USBDEVNAME(sc->atu_dev), 0));
+ err = 0;
+ break;
+
+ default:
+ DPRINTF(("%s: ioctl: default\n",
+ USBDEVNAME(sc->atu_dev)));
+ err = ether_ioctl(ifp, &sc->arpcom, command, data);
+ break;
+ }
+
+ sc->atu_if_flags = ifp->if_flags;
+ splx(s);
+ return(err);
+}
+
+void
+atu_watchdog(struct ifnet *ifp)
+{
+ struct atu_softc *sc;
+ struct atu_chain *c;
+ usbd_status stat;
+ int cnt, s;
+
+ sc = ifp->if_softc;
+ s = splnet();
+ ifp->if_oerrors++;
+ DPRINTF(("%s: watchdog timeout\n", USBDEVNAME(sc->atu_dev)));
+
+ /*
+ * TODO:
+ * we should change this since we have multiple TX tranfers...
+ */
+ for (cnt = 0; cnt < ATU_TX_LIST_CNT; cnt++) {
+ c = &sc->atu_cdata.atu_tx_chain[cnt];
+ if (c->atu_in_xfer) {
+ usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL,
+ &stat);
+ atu_txeof(c->atu_xfer, c, stat);
+ }
+ }
+ for (cnt = 0; cnt < ATU_MGMT_LIST_CNT; cnt++) {
+ c = &sc->atu_cdata.atu_mgmt_chain[cnt];
+ if (c->atu_in_xfer) {
+ usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL,
+ &stat);
+ atu_txeof(c->atu_xfer, c, stat);
+ }
+ }
+
+ if (ifp->if_snd.ifq_head != NULL)
+ atu_start(ifp);
+ splx(s);
+}
+
+/*
+ * Stop the adapter and free any mbufs allocated to the
+ * RX and TX lists.
+ */
+void
+atu_stop(struct atu_softc *sc)
+{
+ usbd_status err;
+ struct ifnet *ifp;
+ struct atu_cdata *cd;
+ int s;
+
+ s = splnet();
+ ifp = &sc->arpcom.ac_if;
+ ifp->if_timer = 0;
+
+ /* there must be a better way to clean up the mgmt task... */
+ sc->atu_dying = 1;
+ splx(s);
+
+ if (sc->atu_mgmt_flags & ATU_TASK_RUNNING) {
+ DPRINTF(("%s: waiting for mgmt task to die\n",
+ USBDEVNAME(sc->atu_dev)));
+ wakeup(sc);
+ while (sc->atu_dying == 1) {
+ atu_msleep(sc, 100);
+ }
+ }
+ s = splnet();
+ DPRINTF(("%s: stopped managment thread\n",
+ USBDEVNAME(sc->atu_dev)));
+
+ /* Stop transfers. */
+ if (sc->atu_ep[ATU_ENDPT_RX] != NULL) {
+ err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_RX]);
+ if (err) {
+ DPRINTF(("%s: abort rx pipe failed: %s\n",
+ USBDEVNAME(sc->atu_dev), usbd_errstr(err)));
+ }
+ err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_RX]);
+ if (err) {
+ DPRINTF(("%s: close rx pipe failed: %s\n",
+ USBDEVNAME(sc->atu_dev), usbd_errstr(err)));
+ }
+ sc->atu_ep[ATU_ENDPT_RX] = NULL;
+ }
+
+ if (sc->atu_ep[ATU_ENDPT_TX] != NULL) {
+ err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_TX]);
+ if (err) {
+ DPRINTF(("%s: abort tx pipe failed: %s\n",
+ USBDEVNAME(sc->atu_dev), usbd_errstr(err)));
+ }
+ err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_TX]);
+ if (err) {
+ DPRINTF(("%s: close tx pipe failed: %s\n",
+ USBDEVNAME(sc->atu_dev), usbd_errstr(err)));
+ }
+ sc->atu_ep[ATU_ENDPT_TX] = NULL;
+ }
+
+ /* Free RX/TX/MGMT list resources. */
+ cd = &sc->atu_cdata;
+ atu_xfer_list_free(sc, cd->atu_rx_chain, ATU_RX_LIST_CNT);
+ atu_xfer_list_free(sc, cd->atu_tx_chain, ATU_TX_LIST_CNT);
+ atu_xfer_list_free(sc, cd->atu_mgmt_chain, ATU_MGMT_LIST_CNT);
+
+ /* Let's be nice and turn off the radio before we leave */
+ atu_switch_radio(sc, 0);
+
+ ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
+ splx(s);
+}
diff --git a/sys/dev/usb/if_atureg.h b/sys/dev/usb/if_atureg.h
new file mode 100644
index 00000000000..49dad14337d
--- /dev/null
+++ b/sys/dev/usb/if_atureg.h
@@ -0,0 +1,723 @@
+/* $OpenBSD: if_atureg.h,v 1.1 2004/11/08 22:09:11 dlg Exp $ */
+/*
+ * Copyright (c) 2003
+ * Daan Vreeken <Danovitsch@Vitsch.net>. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Daan Vreeken.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Daan Vreeken AND CONTRIBUTORS ``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 Daan Vreeken OR THE VOICES IN HIS HEAD
+ * 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.
+ *
+ */
+
+/* $ATUWI: $Id: if_atureg.h,v 1.1 2004/11/08 22:09:11 dlg Exp $ */
+
+/************ driver options ************/
+
+/*
+ * If you want to disable Intersil or RFMD support in the driver, uncomment
+ * one of the following line. This will make the driver about 30 KB smaller
+ * since the firmware-images will be left out. (Yes, leaving both out saves
+ * 60KB, but that leaves you with a driver that doesn't support any devices :)
+ */
+/* #define ATU_NO_INTERSIL */
+/* #define ATU_NO_RFMD */
+/* #define ATU_NO_RFMD2958 */
+/* #define ATU_NO_RFMD2958_SMC */
+
+
+/* debug flags used in the driver - don't change */
+#define FLAG_COMMANDS 0x00001 /* Atmel USB commands */
+#define FLAG_BEACONS 0x00002 /* reception of beacons */
+#define FLAG_BEACONSFULL 0x00004 /* verbose */
+#define FLAG_SIGNAL 0x00008 /* signal strength of packets */
+#define FLAG_TX 0x00010 /* transmittion of packets */
+#define FLAG_RX 0x00020 /* reception of packets */
+#define FLAG_RXFULL 0x00040 /* verbose */
+#define FLAG_MGMT 0x00080 /* managment packets */
+#define FLAG_MGMTFULL 0x00100 /* verbose */
+#define FLAG_STATE 0x00200 /* scan/join/auth/assoc state */
+#define FLAG_INIT 0x00400 /* device initialisation / tear down */
+#define FLAG_FW 0x00800 /* firmware loader */
+#define FLAG_FWFULL 0x01000 /* verbose */
+#define FLAG_IOCTL 0x02000 /* ioctls */
+#define FLAG_BPF 0x04000 /* bpf */
+#define FLAG_ALL 0x07fff /* all of the above */
+
+
+#define ATU_CONFIG_NO 1
+#define ATU_IFACE_IDX 0
+
+/************ various performance optimizations ************/
+
+/*
+ * setting ATU_NO_OPTIMIZATIONS will set all further options to default
+ * values...
+ *
+ * no optimizations 392.78 KB/sec
+ * with optimizations 485.64 KB/sec
+ * (+/- 23.6% increase)
+ *
+ * Disclaimer : Most speed tests were done by transferring a large file over
+ * FTP with an MTU of 1500. The tests are done on slow (Pentium-133) machines
+ * so small changes in driver-overhead would be easilly noticeable. These
+ * numbers are different for every other PC, I have just put them here to show
+ * in what order of magnitude the differences are.
+ */
+/* #define ATU_NO_OPTIMIZATIONS */
+
+
+/* the number of simultaniuously requested RX transfers */
+#define ATU_RX_LIST_CNT 1
+
+/*
+ * the number of simultaniously started TX transfers
+ * my measurements :
+ * 1 430.82 KB/sec
+ * 2 534.66 KB/sec
+ * 3 536.23 KB/sec
+ * 4 537.80 KB/sec
+ * 6 537.30 KB/sec
+ * 8 535.31 KB/sec
+ * 16 535.68 KB/sec
+ * 128 535.67 KB/sec (before you ask : yes, 128 is silly :)
+ * (+/- 24% increase)
+ */
+#define ATU_TX_LIST_CNT 8
+
+/* number of simultaniously MGMT TX transfers (always 1, don't change) */
+#define ATU_MGMT_LIST_CNT 1
+
+/*
+ * save a memcpy on TX by directly constructing packets into a self-allocated
+ * DMA buffer. (normally usbd allocates them and memcpy's data in on transfer)
+ *
+ * measurements :
+ * off 507.50 KB/sec
+ * on 530.14 KB/sec
+ * (+/- 4.5% increase)
+ */
+#define ATU_NO_COPY_TX
+
+
+/*
+ * Normally, when a packet arrives at the driver (with a call to atu_start)
+ * we start up a USB transfer and transfer the packet to the adapter. Then
+ * atu_txeof gets called on interrupt and we hand over the mbuf to
+ * usb_tx_done. usb_tx_done will queue the mbuf and schedules a net-isr.
+ * After the interrupt the scheduler will call the net-isr. There the mbuf
+ * is free'd and atu_start is called (if there are packets on the TX queue).
+ * This means that on average 2 task-switches are performed for every single
+ * packet we transmit.
+ * If we simply NOT call usb_tx_done when a single transfer is done, but wait
+ * for the other transfers we started simultaneously to complete, we can save
+ * the overhead of the extra task-switching.
+ *
+ * measurements :
+ * off 465.55 KB/sec
+ * on 487.57 KB/sec
+ * (+/- 4.7% increase)
+ */
+#define ATU_LAZY_TX_NETISR
+
+/*
+ * Minimum number of simultaneous transfers before we start being lazy.
+ * Setting this to 0 will make us so lazy we could keep mbuf's around forever
+ * (which you do not want)
+ */
+#define ATU_LAZY_TX_MIN 1
+
+/*
+ * Maximum number of queued mbufs before we call usb_tx_done (should never
+ * be higher than ATU_TX_LIST_CNT)
+ */
+#define ATU_LAZY_TX_MAX 8
+
+/*
+ * Whether or not we padd usb packets transfered to the adapter. looking at
+ * drivers on other platforms there seems to be something magic about the
+ * padding.
+ * my measurements :
+ * on - 532.55 KB/sec
+ * off - 536.74 KB/sec
+ * I don't see the reason why we should padd bytes here. The adapter seems
+ * to be transmitting packets just fine without the padding. So the default is
+ * to have no padding, but it's at least supplied as an option. This seems to
+ * be necessary with newer firmware versions, but I haven't tested that yet.
+ */
+/* #define ATU_TX_PADDING */
+
+/*
+ * ATU_PROFILING isn't a real optimization. it adds s bunch of sysctl
+ * variables that count the number of function calls and data transfers we
+ * make. with some shell scripts around it you can easilly measure the
+ * performance of the driver and see where bottlenecks might be.
+ */
+/* #define ATU_PROFILING */
+
+
+
+
+/**** NO user configurable options beyond this point ****/
+
+
+#ifdef ATU_NO_OPTIMIZATIONS
+#undef ATU_LAZY_TX_NETISR
+#undef ATU_TX_PADDING
+#undef ATU_NO_COPY_TX
+#undef ATU_TX_LIST_CNT
+#define ATU_TX_LIST_CNT 1
+#undef ATU_RX_LIST_CNT
+#define ATU_RX_LIST_CNT 1
+#endif
+
+
+
+/*
+ * According to the 802.11 spec (7.1.2) the frame body can be up to 2312 bytes
+ */
+#define ATU_RX_BUFSZ (sizeof(struct at76c503_rx_buffer) + \
+ sizeof(struct wi_80211_hdr) + 2312 + 4)
+/* BE CAREFULL! should add ATU_TX_PADDING */
+#define ATU_TX_BUFSZ (sizeof(struct at76c503_tx_buffer) + \
+ sizeof(struct wi_80211_hdr) + 2312)
+#define ATU_MGMT_BUFSZ (sizeof(struct at76c503_tx_buffer) + 300)
+
+#define ATU_MIN_FRAMELEN 60
+
+/*
+ * Sending packets of more than 1500 bytes confuses some access points, so the
+ * default MTU is set to 1500 but can be increased up to 2310 bytes using
+ * ifconfig
+ */
+#define ATU_DEFAULT_MTU 1500
+#define ATU_MAX_MTU (2312 - 2)
+
+
+#define ATU_ENDPT_RX 0x0
+#define ATU_ENDPT_TX 0x1
+#define ATU_ENDPT_MAX 0x2
+
+#define ATU_TX_TIMEOUT 10000
+
+#define ATU_JOIN_TIMEOUT 2000
+
+#define ATU_MGMT_INTERVAL 1000 * hz / 1000
+#define ATU_SCAN_RETRIES 2
+#define ATU_JOIN_RETRIES 1
+#define ATU_AUTH_RETRIES 3
+#define ATU_ASSOC_RETRIES 3
+#define ATU_IBSS_RETRIES 0
+
+#define ATU_NO_QUIRK 0x0000
+#define ATU_QUIRK_NO_REMAP 0x0001
+#define ATU_QUIRK_FW_DELAY 0x0002
+
+#define ATU_DEFAULT_SSID ""
+
+
+
+enum atu_radio_type {
+ RadioRFMD = 0,
+ RadioRFMD2958,
+ RadioRFMD2958_SMC,
+ RadioIntersil
+};
+
+struct atu_type {
+ u_int16_t atu_vid;
+ u_int16_t atu_pid;
+ enum atu_radio_type atu_radio;
+ u_int16_t atu_quirk;
+};
+
+
+struct atu_softc;
+
+struct atu_chain {
+ struct atu_softc *atu_sc;
+ usbd_xfer_handle atu_xfer;
+ char *atu_buf;
+ struct mbuf *atu_mbuf;
+ u_int8_t atu_idx;
+ u_int16_t atu_length;
+ int atu_in_xfer;
+#ifdef ATU_LAZY_TX_NETISR
+ u_int8_t atu_not_freed;
+#endif /* ATU_LAZY_TX_NETISR */
+ SLIST_ENTRY(atu_chain) atu_list;
+};
+
+struct atu_cdata {
+ struct atu_chain atu_tx_chain[ATU_TX_LIST_CNT];
+ struct atu_chain atu_rx_chain[ATU_RX_LIST_CNT];
+ struct atu_chain atu_mgmt_chain[ATU_MGMT_LIST_CNT];
+
+ SLIST_HEAD(atu_list_head, atu_chain) atu_rx_free;
+ struct atu_list_head atu_tx_free;
+ struct atu_list_head atu_mgmt_free;
+
+ u_int8_t atu_tx_inuse;
+ u_int8_t atu_tx_last_idx;
+};
+
+
+#define MAX_SSID_LEN 32
+#define ATU_AVG_TIME 20
+
+
+
+enum atu_mgmt_state {
+ STATE_NONE = 0,
+ STATE_LISTENING,
+ STATE_JOINING,
+
+ STATE_AUTHENTICATING, /* infra mode */
+ STATE_ASSOCIATING,
+
+ STATE_CREATING_IBSS, /* adhoc mode */
+
+ STATE_HAPPY_NETWORKING,
+ STATE_GIVEN_UP
+};
+
+
+u_int8_t *atu_mgmt_statename[] = {"NONE", "LISTENING", "JOINING",
+ "AUTHENTICATING", "ASSOCIATING", "CREATING IBSS", "HAPPY NETWORKING :)",
+ "GIVEN UP"};
+
+
+struct atu_mgmt {
+ enum atu_mgmt_state state;
+ int retry;
+};
+
+
+
+struct atu_softc {
+ USBBASEDEVICE atu_dev;
+
+ struct arpcom arpcom;
+ usbd_device_handle atu_udev;
+ usbd_interface_handle atu_iface;
+ struct ifmedia atu_media;
+ int atu_ed[ATU_ENDPT_MAX];
+ usbd_pipe_handle atu_ep[ATU_ENDPT_MAX];
+ int atu_unit;
+ int atu_if_flags;
+
+ struct atu_cdata atu_cdata;
+
+#ifdef ATU_LAZY_TX_NETISR
+ int atu_lazy_tx_cnt;
+ /* struct mbuf *atu_lazy_tx_list[ATU_LAZY_TX_MAX]; */
+#endif /* ATU_LAZY_TX_NETISR */
+
+ char atu_dying;
+ struct timeval atu_rx_notice;
+ caddr_t atu_rawbpf;
+ caddr_t atu_airobpf;
+
+ u_int8_t atu_mac_addr[ETHER_ADDR_LEN];
+ u_int8_t atu_bssid[ETHER_ADDR_LEN];
+ enum atu_radio_type atu_radio;
+ u_int16_t atu_quirk;
+
+ /* used for debug : FLAG_SIGNAL */
+ u_int8_t atu_signalarr[ATU_AVG_TIME];
+ u_int8_t atu_signalptr;
+ u_int16_t atu_signaltotal;
+
+ u_int8_t atu_ssid[MAX_SSID_LEN];
+ u_int8_t atu_ssidlen;
+ u_int8_t atu_channel;
+ u_int8_t atu_mode;
+#define NO_MODE_YET 0
+#define AD_HOC_MODE 1
+#define INFRASTRUCTURE_MODE 2
+
+ u_int8_t atu_radio_on;
+ u_int8_t atu_encrypt;
+#define ATU_WEP_RX 0x01
+#define ATU_WEP_TX 0x02
+#define ATU_WEP_TXRX (0x01 | 0x02)
+ int atu_wepkey;
+ int atu_wepkeylen;
+ u_int8_t atu_wepkeys[4][13];
+
+ struct proc *atu_mgmt_thread;
+ struct atu_mgmt atu_mgmt_vars;
+ u_int16_t atu_mgmt_flags;
+#define ATU_TASK_RUNNING 0x01
+#define ATU_CHANGED_SETTINGS 0x02
+#define ATU_SEARCHING 0x04
+#define ATU_FOUND_BSSID 0x08
+#define ATU_AUTH_OK 0x10
+#define ATU_RE_AUTH 0x20
+#define ATU_ASSOC_OK 0x40
+#define ATU_RE_ASSOC 0x80
+#define ATU_NETWORK_OK 0x100
+};
+
+
+
+
+
+
+/* Commands for uploading the firmware (standard DFU interface) */
+#define DFU_DNLOAD UT_WRITE_CLASS_INTERFACE, 0x01
+#define DFU_GETSTATUS UT_READ_CLASS_INTERFACE, 0x03
+#define DFU_GETSTATE UT_READ_CLASS_INTERFACE, 0x05
+#define DFU_REMAP UT_WRITE_VENDOR_INTERFACE, 0x0a
+
+
+/* DFU states */
+#define DFUState_AppIdle 0
+#define DFUState_AppDetach 1
+#define DFUState_DFUIdle 2
+#define DFUState_DnLoadSync 3
+#define DFUState_DnLoadBusy 4
+#define DFUState_DnLoadIdle 5
+#define DFUState_ManifestSync 6
+#define DFUState_Manifest 7
+#define DFUState_ManifestWait 8
+#define DFUState_UploadIdle 9
+#define DFUState_DFUError 10
+
+#define DFU_MaxBlockSize 1024
+
+
+/* AT76c503 operating modes */
+#define MODE_NONE 0x00
+#define MODE_NETCARD 0x01
+#define MODE_CONFIG 0x02
+#define MODE_DFU 0x03
+#define MODE_NOFLASHNETCARD 0x04
+
+
+
+
+/* AT76c503 commands */
+#define CMD_SET_MIB 0x01
+#define CMD_START_SCAN 0x03
+#define CMD_JOIN 0x04
+#define CMD_START_IBSS 0x05
+#define CMD_RADIO 0x06
+#define CMD_RADIO_ON 0x06
+#define CMD_RADIO_OFF 0x07
+#define CMD_STARTUP 0x0b
+
+/* AT76c503 status messages - used in atu_wait_completion */
+#define STATUS_IDLE 0x00
+#define STATUS_COMPLETE 0x01
+#define STATUS_UNKNOWN 0x02
+#define STATUS_INVALID_PARAMETER 0x03
+#define STATUS_FUNCTION_NOT_SUPPORTED 0x04
+#define STATUS_TIME_OUT 0x07
+#define STATUS_IN_PROGRESS 0x08
+#define STATUS_HOST_FAILURE 0xff
+#define STATUS_SCAN_FAILED 0xf0
+
+
+
+/* AT76c503 command header */
+struct atu_cmd {
+ u_int8_t Cmd;
+ u_int8_t Reserved;
+ u_int16_t Size;
+};
+
+/* CMD_SET_MIB command (0x01) */
+struct atu_cmd_set_mib {
+ /* AT76c503 command header */
+ u_int8_t AtCmd;
+ u_int8_t AtReserved;
+ u_int16_t AtSize;
+
+ /* MIB header */
+ u_int8_t MIBType;
+ u_int8_t MIBSize;
+ u_int8_t MIBIndex;
+ u_int8_t MIBReserved;
+
+ /* MIB data */
+ u_int8_t data[72];
+};
+
+/* CMD_STARTUP command (0x0b) */
+struct atu_cmd_card_config {
+ u_int8_t Cmd;
+ u_int8_t Reserved;
+ u_int16_t Size;
+
+ u_int8_t ExcludeUnencrypted;
+ u_int8_t PromiscuousMode;
+ u_int8_t ShortRetryLimit;
+ u_int8_t EncryptionType;
+ u_int16_t RTS_Threshold;
+ u_int16_t FragThreshold; /* 256 .. 2346 */
+ u_int8_t BasicRateSet[4];
+ u_int8_t AutoRateFallback;
+ u_int8_t Channel;
+ u_int8_t PrivacyInvoked; /* wep */
+ u_int8_t WEP_DefaultKeyID; /* 0 .. 3 */
+ u_int8_t SSID[MAX_SSID_LEN];
+ u_int8_t WEP_DefaultKey[4][13];
+ u_int8_t SSID_Len;
+ u_int8_t ShortPreamble;
+ u_int16_t BeaconPeriod;
+};
+
+/* CMD_SCAN command (0x03) */
+struct atu_cmd_do_scan {
+ u_int8_t Cmd;
+ u_int8_t Reserved;
+ u_int16_t Size;
+
+ u_int8_t BSSID[ETHER_ADDR_LEN];
+ u_int8_t SSID[MAX_SSID_LEN];
+ u_int8_t ScanType;
+ u_int8_t Channel;
+ u_int16_t ProbeDelay;
+ u_int16_t MinChannelTime;
+ u_int16_t MaxChannelTime;
+ u_int8_t SSID_Len;
+ u_int8_t InternationalScan;
+};
+
+#define ATU_SCAN_ACTIVE 0x00
+#define ATU_SCAN_PASSIVE 0x01
+
+/* CMD_JOIN command (0x04) */
+struct atu_cmd_join {
+ u_int8_t Cmd;
+ u_int8_t Reserved;
+ u_int16_t Size;
+
+ u_int8_t bssid[ETHER_ADDR_LEN];
+ u_int8_t essid[32];
+ u_int8_t bss_type;
+ u_int8_t channel;
+ u_int16_t timeout;
+ u_int8_t essid_size;
+ u_int8_t reserved;
+};
+
+/* CMD_START_IBSS (0x05) */
+struct atu_cmd_start_ibss {
+ u_int8_t Cmd;
+ u_int8_t Reserved;
+ u_int16_t Size;
+
+ u_int8_t BSSID[ETHER_ADDR_LEN];
+ u_int8_t SSID[32];
+ u_int8_t BSSType;
+ u_int8_t Channel;
+ u_int8_t SSIDSize;
+ u_int8_t Res[3];
+};
+
+
+/*
+ * The At76c503 adapters come with different types of radios on them.
+ * At this moment the driver supports adapters with RFMD and Intersil radios.
+ */
+
+/* The config structure of an RFMD radio */
+struct atu_rfmd_conf {
+ u_int8_t CR20[14];
+ u_int8_t CR21[14];
+ u_int8_t BB_CR[14];
+ u_int8_t PidVid[4];
+ u_int8_t MACAddr[ETHER_ADDR_LEN];
+ u_int8_t RegulatoryDomain;
+ u_int8_t LowPowerValues[14];
+ u_int8_t NormalPowerValues[14];
+ u_int8_t Reserved[3];
+ /* then we have 84 bytes, somehow Windows reads 95?? */
+ u_int8_t Rest[11];
+};
+
+/* The config structure of an Intersil radio */
+struct atu_intersil_conf {
+ u_int8_t MACAddr[ETHER_ADDR_LEN];
+ /* From the HFA3861B manual : */
+ /* Manual TX power control (7bit : -64 to 63) */
+ u_int8_t CR31[14];
+ /* TX power measurement */
+ u_int8_t CR58[14];
+ u_int8_t PidVid[4];
+ u_int8_t RegulatoryDomain;
+ u_int8_t Reserved[1];
+};
+
+
+/* Firmware information request */
+struct atu_fw {
+ u_int8_t major;
+ u_int8_t minor;
+ u_int8_t patch;
+ u_int8_t build;
+};
+
+
+/*
+ * The header the AT76c503 puts in front of RX packets (for both managment &
+ * data)
+ */
+struct at76c503_rx_buffer {
+ u_int16_t wlength;
+ u_int8_t rx_rate;
+ u_int8_t newbss;
+ u_int8_t fragmentation;
+ u_int8_t rssi;
+ u_int8_t link_quality;
+ u_int8_t noise_level;
+ u_int32_t rx_time;
+};
+
+/* The total packet the AT76c503 spits out looks like this */
+struct atu_rxpkt {
+ struct at76c503_rx_buffer AtHeader;
+ struct wi_80211_hdr WiHeader;
+ u_int8_t Packet[2312 + 4];
+};
+
+/*
+ * The header we have to put in front of a TX packet before sending it to the
+ * AT76c503
+ */
+struct at76c503_tx_buffer {
+ u_int16_t wlength;
+ u_int8_t tx_rate;
+ u_int8_t padding;
+ u_int8_t reserved[4];
+};
+
+/* The total packet we send to the AT76c503 looks like this */
+struct atu_txpkt {
+ struct at76c503_tx_buffer AtHeader;
+ struct wi_80211_hdr WiHeader;
+ /* TODO - change this to a more correct value */
+ u_int8_t Packet[2312];
+};
+
+/* Managment packet */
+struct atu_mgmt_packet {
+ struct at76c503_tx_buffer athdr;
+ struct wi_mgmt_hdr mgmt_hdr;
+
+ u_int8_t payload[0];
+};
+
+/* Authentication packet */
+struct atu_auth_packet {
+ struct at76c503_tx_buffer athdr;
+ struct wi_mgmt_hdr mgmt_hdr;
+ struct wi_mgmt_auth_hdr auth_hdr;
+
+ u_int8_t challenge[0];
+};
+
+/* Association packet */
+struct atu_assoc_packet {
+ struct at76c503_tx_buffer athdr;
+ struct wi_mgmt_hdr mgmt_hdr;
+ u_int16_t capability;
+ u_int16_t listen_interval;
+
+ u_int8_t data[0];
+};
+
+
+struct wi_80211_beacon {
+ u_int8_t timestamp[8];
+ u_int16_t interval;
+ u_int16_t flags;
+ u_int8_t data[1500];
+};
+
+struct tlv {
+ u_int8_t type;
+ u_int8_t length;
+ u_int8_t value[255];
+};
+
+#define TYPE_MASK 0x000c
+
+
+
+
+#define NR(x) (void *)(x)
+
+/*
+ * The linux driver uses seperate routines for every mib request they do
+ * (eg. set_radio / set_preamble / set_frag / etc etc )
+ * We just define a list of types, sizes and offsets and use those
+ */
+
+/* Name Type Size Index */
+#define MIB_LOCAL 0x01
+#define MIB_LOCAL__BEACON_ENABLE MIB_LOCAL, 1, 2
+#define MIB_LOCAL__AUTO_RATE_FALLBACK MIB_LOCAL, 1, 3
+#define MIB_LOCAL__SSID_SIZE MIB_LOCAL, 1, 5
+#define MIB_LOCAL__PREAMBLE MIB_LOCAL, 1, 9
+#define MIB_MAC_ADDR 0x02
+#define MIB_MAC_ADDR__ADDR MIB_MAC_ADDR, 6, 0
+#define MIB_MAC 0x03
+#define MIB_MAC__FRAG MIB_MAC, 2, 8
+#define MIB_MAC__RTS MIB_MAC, 2, 10
+#define MIB_MAC__DESIRED_SSID MIB_MAC, 32, 28
+#define MIB_MAC_MGMT 0x05
+#define MIB_MAC_MGMT__BEACON_PERIOD MIB_MAC_MGMT, 2, 0
+#define MIB_MAC_MGMT__CURRENT_BSSID MIB_MAC_MGMT, 6, 14
+#define MIB_MAC_MGMT__CURRENT_ESSID MIB_MAC_MGMT, 32, 20
+#define MIB_MAC_MGMT__POWER_MODE MIB_MAC_MGMT, 1, 53
+#define MIB_MAC_MGMT__IBSS_CHANGE MIB_MAC_MGMT, 1, 54
+#define MIB_MAC_WEP 0x06
+#define MIB_MAC_WEP__PRIVACY_INVOKED MIB_MAC_WEP, 1, 0
+#define MIB_MAC_WEP__KEY_ID MIB_MAC_WEP, 1, 1
+#define MIB_MAC_WEP__ICV_ERROR_COUNT MIB_MAC_WEP, 4, 4
+#define MIB_MAC_WEP__EXCLUDED_COUNT MIB_MAC_WEP, 4, 8
+#define MIB_MAC_WEP__KEYS(nr) MIB_MAC_WEP, 13, 12+(nr)*13
+#define MIB_MAC_WEP__ENCR_LEVEL MIB_MAC_WEP, 1, 64
+#define MIB_PHY 0x07
+#define MIB_PHY__CHANNEL MIB_PHY, 1, 20
+#define MIB_PHY__REG_DOMAIN MIB_PHY, 1, 23
+#define MIB_FW_VERSION 0x08
+#define MIB_DOMAIN 0x09
+#define MIB_DOMAIN__POWER_LEVELS MIB_DOMAIN, 14, 0
+#define MIB_DOMAIN__CHANNELS MIB_DOMAIN, 14, 14
+
+#define ATU_WEP_OFF 0
+#define ATU_WEP_40BITS 1
+#define ATU_WEP_104BITS 2
+
+#define POWER_MODE_ACTIVE 1
+#define POWER_MODE_SAVE 2
+#define POWER_MODE_SMART 3
+
+#define PREAMBLE_SHORT 1
+#define PREAMBLE_LONG 0