1 /* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */
5 * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <sys/param.h>
21 #include <sys/systm.h>
22 #include <sys/kernel.h>
23 #include <sys/endian.h>
24 #include <sys/firmware.h>
25 #include <sys/linker.h>
27 #include <sys/malloc.h>
28 #include <sys/module.h>
29 #include <sys/socket.h>
30 #include <sys/sockio.h>
31 #include <sys/sysctl.h>
34 #include <net/if_arp.h>
35 #include <net/ethernet.h>
36 #include <net/if_dl.h>
37 #include <net/if_media.h>
38 #include <net/if_types.h>
41 #include <machine/bus.h>
43 #include <net80211/ieee80211_var.h>
44 #include <net80211/ieee80211_phy.h>
45 #include <net80211/ieee80211_radiotap.h>
46 #include <net80211/ieee80211_regdomain.h>
50 #include <dev/usb/usb.h>
51 #include <dev/usb/usb_core.h>
52 #include <dev/usb/usb_busdma.h>
53 #include <dev/usb/usb_debug.h>
54 #include <dev/usb/usb_error.h>
55 #include <dev/usb/usb_lookup.h>
56 #include <dev/usb/usb_util.h>
59 #include <dev/usb/wlan/if_upgtvar.h>
62 * Driver for the USB PrismGT devices.
64 * For now just USB 2.0 devices with the GW3887 chipset are supported.
65 * The driver has been written based on the firmware version 2.13.1.0_LM87.
68 * - MONITOR mode test.
71 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets).
73 * Parts of this driver has been influenced by reading the p54u driver
74 * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and
75 * Sebastien Bourdeauducq <lekernel@prism54.org>.
78 SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0,
79 "USB PrismGT GW3887 driver parameters");
83 SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug,
84 0, "control debugging printfs");
85 TUNABLE_INT("hw.upgt.debug", &upgt_debug);
87 UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
88 UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */
89 UPGT_DEBUG_RESET = 0x00000004, /* reset processing */
90 UPGT_DEBUG_INTR = 0x00000008, /* INTR */
91 UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */
92 UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */
93 UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */
94 UPGT_DEBUG_STAT = 0x00000080, /* statistic */
95 UPGT_DEBUG_FW = 0x00000100, /* firmware */
96 UPGT_DEBUG_ANY = 0xffffffff
98 #define DPRINTF(sc, m, fmt, ...) do { \
99 if (sc->sc_debug & (m)) \
100 printf(fmt, __VA_ARGS__); \
103 #define DPRINTF(sc, m, fmt, ...) do { \
111 static device_probe_t upgt_match;
112 static device_attach_t upgt_attach;
113 static device_detach_t upgt_detach;
114 static int upgt_alloc_tx(struct upgt_softc *);
115 static int upgt_alloc_rx(struct upgt_softc *);
116 static int upgt_device_reset(struct upgt_softc *);
117 static void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *);
118 static int upgt_fw_verify(struct upgt_softc *);
119 static int upgt_mem_init(struct upgt_softc *);
120 static int upgt_fw_load(struct upgt_softc *);
121 static int upgt_fw_copy(const uint8_t *, char *, int);
122 static uint32_t upgt_crc32_le(const void *, size_t);
124 upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *);
126 upgt_rx(struct upgt_softc *, uint8_t *, int, int *);
127 static void upgt_txeof(struct usb_xfer *, struct upgt_data *);
128 static int upgt_eeprom_read(struct upgt_softc *);
129 static int upgt_eeprom_parse(struct upgt_softc *);
130 static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *);
131 static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int);
132 static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int);
133 static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int);
134 static uint32_t upgt_chksum_le(const uint32_t *, size_t);
135 static void upgt_tx_done(struct upgt_softc *, uint8_t *);
136 static void upgt_init(void *);
137 static void upgt_init_locked(struct upgt_softc *);
138 static int upgt_ioctl(struct ifnet *, u_long, caddr_t);
139 static void upgt_start(struct ifnet *);
140 static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *,
141 const struct ieee80211_bpf_params *);
142 static void upgt_scan_start(struct ieee80211com *);
143 static void upgt_scan_end(struct ieee80211com *);
144 static void upgt_set_channel(struct ieee80211com *);
145 static struct ieee80211vap *upgt_vap_create(struct ieee80211com *,
146 const char name[IFNAMSIZ], int unit, int opmode,
147 int flags, const uint8_t bssid[IEEE80211_ADDR_LEN],
148 const uint8_t mac[IEEE80211_ADDR_LEN]);
149 static void upgt_vap_delete(struct ieee80211vap *);
150 static void upgt_update_mcast(struct ifnet *);
151 static uint8_t upgt_rx_rate(struct upgt_softc *, const int);
152 static void upgt_set_multi(void *);
153 static void upgt_stop(struct upgt_softc *);
154 static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *);
155 static int upgt_set_macfilter(struct upgt_softc *, uint8_t);
156 static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int);
157 static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *);
158 static void upgt_set_led(struct upgt_softc *, int);
159 static void upgt_set_led_blink(void *);
160 static void upgt_get_stats(struct upgt_softc *);
161 static void upgt_mem_free(struct upgt_softc *, uint32_t);
162 static uint32_t upgt_mem_alloc(struct upgt_softc *);
163 static void upgt_free_tx(struct upgt_softc *);
164 static void upgt_free_rx(struct upgt_softc *);
165 static void upgt_watchdog(void *);
166 static void upgt_abort_xfers(struct upgt_softc *);
167 static void upgt_abort_xfers_locked(struct upgt_softc *);
168 static void upgt_sysctl_node(struct upgt_softc *);
169 static struct upgt_data *
170 upgt_getbuf(struct upgt_softc *);
171 static struct upgt_data *
172 upgt_gettxbuf(struct upgt_softc *);
173 static int upgt_tx_start(struct upgt_softc *, struct mbuf *,
174 struct ieee80211_node *, struct upgt_data *);
176 static const char *upgt_fwname = "upgt-gw3887";
178 static const struct usb_device_id upgt_devs_2[] = {
179 #define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
180 /* version 2 devices */
181 UPGT_DEV(ACCTON, PRISM_GT),
182 UPGT_DEV(BELKIN, F5D7050),
183 UPGT_DEV(CISCOLINKSYS, WUSB54AG),
184 UPGT_DEV(CONCEPTRONIC, PRISM_GT),
185 UPGT_DEV(DELL, PRISM_GT_1),
186 UPGT_DEV(DELL, PRISM_GT_2),
187 UPGT_DEV(FSC, E5400),
188 UPGT_DEV(GLOBESPAN, PRISM_GT_1),
189 UPGT_DEV(GLOBESPAN, PRISM_GT_2),
190 UPGT_DEV(INTERSIL, PRISM_GT),
191 UPGT_DEV(SMC, 2862WG),
192 UPGT_DEV(WISTRONNEWEB, UR045G),
193 UPGT_DEV(XYRATEX, PRISM_GT_1),
194 UPGT_DEV(XYRATEX, PRISM_GT_2),
195 UPGT_DEV(ZCOM, XG703A),
196 UPGT_DEV(ZCOM, XM142)
199 static usb_callback_t upgt_bulk_rx_callback;
200 static usb_callback_t upgt_bulk_tx_callback;
202 static const struct usb_config upgt_config[UPGT_N_XFERS] = {
205 .endpoint = UE_ADDR_ANY,
206 .direction = UE_DIR_OUT,
210 .force_short_xfer = 1,
213 .callback = upgt_bulk_tx_callback,
214 .timeout = UPGT_USB_TIMEOUT, /* ms */
218 .endpoint = UE_ADDR_ANY,
219 .direction = UE_DIR_IN,
226 .callback = upgt_bulk_rx_callback,
231 upgt_match(device_t dev)
233 struct usb_attach_arg *uaa = device_get_ivars(dev);
235 if (uaa->usb_mode != USB_MODE_HOST)
237 if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX)
239 if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX)
242 return (usb2_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa));
246 upgt_attach(device_t dev)
249 struct ieee80211com *ic;
251 struct upgt_softc *sc = device_get_softc(dev);
252 struct usb_attach_arg *uaa = device_get_ivars(dev);
253 uint8_t bands, iface_index = UPGT_IFACE_INDEX;
256 sc->sc_udev = uaa->device;
258 sc->sc_debug = upgt_debug;
260 device_set_usb2_desc(dev);
262 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK,
264 callout_init(&sc->sc_led_ch, 0);
265 callout_init(&sc->sc_watchdog_ch, 0);
267 /* Allocate TX and RX xfers. */
268 error = upgt_alloc_tx(sc);
271 error = upgt_alloc_rx(sc);
275 error = usb2_transfer_setup(uaa->device, &iface_index, sc->sc_xfer,
276 upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx);
278 device_printf(dev, "could not allocate USB transfers, "
279 "err=%s\n", usb2_errstr(error));
283 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
285 device_printf(dev, "can not if_alloc()\n");
289 /* Initialize the device. */
290 error = upgt_device_reset(sc);
293 /* Verify the firmware. */
294 error = upgt_fw_verify(sc);
297 /* Calculate device memory space. */
298 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) {
300 "could not find memory space addresses on FW!\n");
304 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1;
305 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1;
307 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n",
308 sc->sc_memaddr_frame_start);
309 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n",
310 sc->sc_memaddr_frame_end);
311 DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n",
312 sc->sc_memaddr_rx_start);
316 /* Load the firmware. */
317 error = upgt_fw_load(sc);
321 /* Read the whole EEPROM content and parse it. */
322 error = upgt_eeprom_read(sc);
325 error = upgt_eeprom_parse(sc);
329 /* all works related with the device have done here. */
330 upgt_abort_xfers(sc);
332 /* Setup the 802.11 device. */
334 if_initname(ifp, "upgt", device_get_unit(sc->sc_dev));
335 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
336 ifp->if_init = upgt_init;
337 ifp->if_ioctl = upgt_ioctl;
338 ifp->if_start = upgt_start;
339 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
340 IFQ_SET_READY(&ifp->if_snd);
344 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
345 ic->ic_opmode = IEEE80211_M_STA;
346 /* set device capabilities */
348 IEEE80211_C_STA /* station mode */
349 | IEEE80211_C_MONITOR /* monitor mode */
350 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
351 | IEEE80211_C_SHSLOT /* short slot time supported */
352 | IEEE80211_C_BGSCAN /* capable of bg scanning */
353 | IEEE80211_C_WPA /* 802.11i */
357 setbit(&bands, IEEE80211_MODE_11B);
358 setbit(&bands, IEEE80211_MODE_11G);
359 ieee80211_init_channels(ic, NULL, &bands);
361 ieee80211_ifattach(ic, sc->sc_myaddr);
362 ic->ic_raw_xmit = upgt_raw_xmit;
363 ic->ic_scan_start = upgt_scan_start;
364 ic->ic_scan_end = upgt_scan_end;
365 ic->ic_set_channel = upgt_set_channel;
367 ic->ic_vap_create = upgt_vap_create;
368 ic->ic_vap_delete = upgt_vap_delete;
369 ic->ic_update_mcast = upgt_update_mcast;
371 ieee80211_radiotap_attach(ic,
372 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
373 UPGT_TX_RADIOTAP_PRESENT,
374 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
375 UPGT_RX_RADIOTAP_PRESENT);
377 upgt_sysctl_node(sc);
380 ieee80211_announce(ic);
385 fail4: usb2_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS);
386 fail3: upgt_free_rx(sc);
387 fail2: upgt_free_tx(sc);
388 fail1: mtx_destroy(&sc->sc_mtx);
394 upgt_txeof(struct usb_xfer *xfer, struct upgt_data *data)
396 struct upgt_softc *sc = xfer->priv_sc;
397 struct ifnet *ifp = sc->sc_ifp;
400 UPGT_ASSERT_LOCKED(sc);
403 * Do any tx complete callback. Note this must be done before releasing
404 * the node reference.
408 if (m->m_flags & M_TXCB) {
410 ieee80211_process_callback(data->ni, m, 0);
416 ieee80211_free_node(data->ni);
423 upgt_get_stats(struct upgt_softc *sc)
425 struct upgt_data *data_cmd;
426 struct upgt_lmac_mem *mem;
427 struct upgt_lmac_stats *stats;
429 data_cmd = upgt_getbuf(sc);
430 if (data_cmd == NULL) {
431 device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__);
436 * Transmit the URB containing the CMD data.
438 bzero(data_cmd->buf, MCLBYTES);
440 mem = (struct upgt_lmac_mem *)data_cmd->buf;
441 mem->addr = htole32(sc->sc_memaddr_frame_start +
442 UPGT_MEMSIZE_FRAME_HEAD);
444 stats = (struct upgt_lmac_stats *)(mem + 1);
446 stats->header1.flags = 0;
447 stats->header1.type = UPGT_H1_TYPE_CTRL;
448 stats->header1.len = htole16(
449 sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header));
451 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start);
452 stats->header2.type = htole16(UPGT_H2_TYPE_STATS);
453 stats->header2.flags = 0;
455 data_cmd->buflen = sizeof(*mem) + sizeof(*stats);
457 mem->chksum = upgt_chksum_le((uint32_t *)stats,
458 data_cmd->buflen - sizeof(*mem));
460 upgt_bulk_tx(sc, data_cmd);
464 upgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
466 struct upgt_softc *sc = ifp->if_softc;
467 struct ieee80211com *ic = ifp->if_l2com;
468 struct ifreq *ifr = (struct ifreq *) data;
469 int error = 0, startall = 0;
474 if (ifp->if_flags & IFF_UP) {
475 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
476 if ((ifp->if_flags ^ sc->sc_if_flags) &
477 (IFF_ALLMULTI | IFF_PROMISC))
484 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
487 sc->sc_if_flags = ifp->if_flags;
489 ieee80211_start_all(ic);
493 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
496 error = ether_ioctl(ifp, cmd, data);
506 upgt_stop_locked(struct upgt_softc *sc)
508 struct ifnet *ifp = sc->sc_ifp;
510 UPGT_ASSERT_LOCKED(sc);
512 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
513 upgt_set_macfilter(sc, IEEE80211_S_INIT);
514 upgt_abort_xfers_locked(sc);
518 upgt_stop(struct upgt_softc *sc)
520 struct ifnet *ifp = sc->sc_ifp;
523 upgt_stop_locked(sc);
528 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
529 sc->sc_flags &= ~UPGT_FLAG_INITDONE;
533 upgt_set_led(struct upgt_softc *sc, int action)
535 struct upgt_data *data_cmd;
536 struct upgt_lmac_mem *mem;
537 struct upgt_lmac_led *led;
539 data_cmd = upgt_getbuf(sc);
540 if (data_cmd == NULL) {
541 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__);
546 * Transmit the URB containing the CMD data.
548 bzero(data_cmd->buf, MCLBYTES);
550 mem = (struct upgt_lmac_mem *)data_cmd->buf;
551 mem->addr = htole32(sc->sc_memaddr_frame_start +
552 UPGT_MEMSIZE_FRAME_HEAD);
554 led = (struct upgt_lmac_led *)(mem + 1);
556 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
557 led->header1.type = UPGT_H1_TYPE_CTRL;
558 led->header1.len = htole16(
559 sizeof(struct upgt_lmac_led) -
560 sizeof(struct upgt_lmac_header));
562 led->header2.reqid = htole32(sc->sc_memaddr_frame_start);
563 led->header2.type = htole16(UPGT_H2_TYPE_LED);
564 led->header2.flags = 0;
568 led->mode = htole16(UPGT_LED_MODE_SET);
570 led->action_tmp = htole16(UPGT_LED_ACTION_OFF);
571 led->action_tmp_dur = 0;
574 led->mode = htole16(UPGT_LED_MODE_SET);
576 led->action_tmp = htole16(UPGT_LED_ACTION_ON);
577 led->action_tmp_dur = 0;
580 if (sc->sc_state != IEEE80211_S_RUN) {
581 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
584 if (sc->sc_led_blink) {
585 /* previous blink was not finished */
586 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
589 led->mode = htole16(UPGT_LED_MODE_SET);
590 led->action_fix = htole16(UPGT_LED_ACTION_OFF);
591 led->action_tmp = htole16(UPGT_LED_ACTION_ON);
592 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR);
594 sc->sc_led_blink = 1;
595 callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc);
598 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
602 data_cmd->buflen = sizeof(*mem) + sizeof(*led);
604 mem->chksum = upgt_chksum_le((uint32_t *)led,
605 data_cmd->buflen - sizeof(*mem));
607 upgt_bulk_tx(sc, data_cmd);
611 upgt_set_led_blink(void *arg)
613 struct upgt_softc *sc = arg;
615 /* blink finished, we are ready for a next one */
616 sc->sc_led_blink = 0;
620 upgt_init(void *priv)
622 struct upgt_softc *sc = priv;
623 struct ifnet *ifp = sc->sc_ifp;
624 struct ieee80211com *ic = ifp->if_l2com;
627 upgt_init_locked(sc);
630 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
631 ieee80211_start_all(ic); /* start all vap's */
635 upgt_init_locked(struct upgt_softc *sc)
637 struct ifnet *ifp = sc->sc_ifp;
639 UPGT_ASSERT_LOCKED(sc);
641 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
642 upgt_stop_locked(sc);
644 usb2_transfer_start(sc->sc_xfer[UPGT_BULK_RX]);
646 (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN);
648 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
649 ifp->if_drv_flags |= IFF_DRV_RUNNING;
650 sc->sc_flags |= UPGT_FLAG_INITDONE;
652 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc);
656 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state)
658 struct ifnet *ifp = sc->sc_ifp;
659 struct ieee80211com *ic = ifp->if_l2com;
660 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
661 struct ieee80211_node *ni = vap->iv_bss;
662 struct upgt_data *data_cmd;
663 struct upgt_lmac_mem *mem;
664 struct upgt_lmac_filter *filter;
665 uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
667 UPGT_ASSERT_LOCKED(sc);
669 data_cmd = upgt_getbuf(sc);
670 if (data_cmd == NULL) {
671 device_printf(sc->sc_dev, "out of TX buffers.\n");
676 * Transmit the URB containing the CMD data.
678 bzero(data_cmd->buf, MCLBYTES);
680 mem = (struct upgt_lmac_mem *)data_cmd->buf;
681 mem->addr = htole32(sc->sc_memaddr_frame_start +
682 UPGT_MEMSIZE_FRAME_HEAD);
684 filter = (struct upgt_lmac_filter *)(mem + 1);
686 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
687 filter->header1.type = UPGT_H1_TYPE_CTRL;
688 filter->header1.len = htole16(
689 sizeof(struct upgt_lmac_filter) -
690 sizeof(struct upgt_lmac_header));
692 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start);
693 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER);
694 filter->header2.flags = 0;
697 case IEEE80211_S_INIT:
698 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n",
700 filter->type = htole16(UPGT_FILTER_TYPE_RESET);
702 case IEEE80211_S_SCAN:
703 DPRINTF(sc, UPGT_DEBUG_STATE,
704 "set MAC filter to SCAN (bssid %s)\n",
705 ether_sprintf(broadcast));
706 filter->type = htole16(UPGT_FILTER_TYPE_NONE);
707 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
708 IEEE80211_ADDR_COPY(filter->src, broadcast);
709 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1);
710 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
711 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2);
712 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
713 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3);
715 case IEEE80211_S_RUN:
716 /* XXX monitor mode isn't tested yet. */
717 if (vap->iv_opmode == IEEE80211_M_MONITOR) {
718 filter->type = htole16(UPGT_FILTER_TYPE_MONITOR);
719 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
720 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid);
721 filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1);
722 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
723 filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2);
724 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
725 filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3);
727 DPRINTF(sc, UPGT_DEBUG_STATE,
728 "set MAC filter to RUN (bssid %s)\n",
729 ether_sprintf(ni->ni_bssid));
730 filter->type = htole16(UPGT_FILTER_TYPE_STA);
731 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
732 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid);
733 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1);
734 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
735 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2);
736 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
737 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3);
741 device_printf(sc->sc_dev,
742 "MAC filter does not know that state!\n");
746 data_cmd->buflen = sizeof(*mem) + sizeof(*filter);
748 mem->chksum = upgt_chksum_le((uint32_t *)filter,
749 data_cmd->buflen - sizeof(*mem));
751 upgt_bulk_tx(sc, data_cmd);
757 upgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic)
759 struct ifnet *ifp = ic->ic_ifp;
760 struct upgt_softc *sc = ifp->if_softc;
761 const struct ieee80211_txparam *tp;
764 * 0x01 = OFMD6 0x10 = DS1
765 * 0x04 = OFDM9 0x11 = DS2
766 * 0x06 = OFDM12 0x12 = DS5
767 * 0x07 = OFDM18 0x13 = DS11
773 const uint8_t rateset_auto_11b[] =
774 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 };
775 const uint8_t rateset_auto_11g[] =
776 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 };
777 const uint8_t rateset_fix_11bg[] =
778 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07,
779 0x08, 0x09, 0x0a, 0x0b };
781 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
784 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) {
786 * Automatic rate control is done by the device.
787 * We just pass the rateset from which the device
788 * will pickup a rate.
790 if (ic->ic_curmode == IEEE80211_MODE_11B)
791 bcopy(rateset_auto_11b, sc->sc_cur_rateset,
792 sizeof(sc->sc_cur_rateset));
793 if (ic->ic_curmode == IEEE80211_MODE_11G ||
794 ic->ic_curmode == IEEE80211_MODE_AUTO)
795 bcopy(rateset_auto_11g, sc->sc_cur_rateset,
796 sizeof(sc->sc_cur_rateset));
798 /* set a fixed rate */
799 memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate],
800 sizeof(sc->sc_cur_rateset));
805 upgt_set_multi(void *arg)
807 struct upgt_softc *sc = arg;
808 struct ifnet *ifp = sc->sc_ifp;
810 if (!(ifp->if_flags & IFF_UP))
814 * XXX don't know how to set a device. Lack of docs. Just try to set
815 * IFF_ALLMULTI flag here.
818 ifp->if_flags |= IFF_ALLMULTI;
823 upgt_start(struct ifnet *ifp)
825 struct upgt_softc *sc = ifp->if_softc;
826 struct upgt_data *data_tx;
827 struct ieee80211_node *ni;
830 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
835 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
839 data_tx = upgt_gettxbuf(sc);
840 if (data_tx == NULL) {
841 IFQ_DRV_PREPEND(&ifp->if_snd, m);
845 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
846 m->m_pkthdr.rcvif = NULL;
848 if (upgt_tx_start(sc, m, ni, data_tx) != 0) {
849 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next);
850 UPGT_STAT_INC(sc, st_tx_inactive);
851 ieee80211_free_node(ni);
861 upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
862 const struct ieee80211_bpf_params *params)
864 struct ieee80211com *ic = ni->ni_ic;
865 struct ifnet *ifp = ic->ic_ifp;
866 struct upgt_softc *sc = ifp->if_softc;
867 struct upgt_data *data_tx = NULL;
869 /* prevent management frames from being sent if we're not ready */
870 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
872 ieee80211_free_node(ni);
877 data_tx = upgt_gettxbuf(sc);
878 if (data_tx == NULL) {
879 ieee80211_free_node(ni);
885 if (upgt_tx_start(sc, m, ni, data_tx) != 0) {
886 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next);
887 UPGT_STAT_INC(sc, st_tx_inactive);
888 ieee80211_free_node(ni);
900 upgt_watchdog(void *arg)
902 struct upgt_softc *sc = arg;
903 struct ifnet *ifp = sc->sc_ifp;
905 if (sc->sc_tx_timer > 0) {
906 if (--sc->sc_tx_timer == 0) {
907 device_printf(sc->sc_dev, "watchdog timeout\n");
908 /* upgt_init(ifp); XXX needs a process context ? */
912 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc);
917 upgt_mem_alloc(struct upgt_softc *sc)
921 for (i = 0; i < sc->sc_memory.pages; i++) {
922 if (sc->sc_memory.page[i].used == 0) {
923 sc->sc_memory.page[i].used = 1;
924 return (sc->sc_memory.page[i].addr);
932 upgt_scan_start(struct ieee80211com *ic)
938 upgt_scan_end(struct ieee80211com *ic)
944 upgt_set_channel(struct ieee80211com *ic)
946 struct upgt_softc *sc = ic->ic_ifp->if_softc;
949 upgt_set_chan(sc, ic->ic_curchan);
954 upgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c)
956 struct ifnet *ifp = sc->sc_ifp;
957 struct ieee80211com *ic = ifp->if_l2com;
958 struct upgt_data *data_cmd;
959 struct upgt_lmac_mem *mem;
960 struct upgt_lmac_channel *chan;
963 UPGT_ASSERT_LOCKED(sc);
965 channel = ieee80211_chan2ieee(ic, c);
966 if (channel == 0 || channel == IEEE80211_CHAN_ANY) {
967 /* XXX should NEVER happen */
968 device_printf(sc->sc_dev,
969 "%s: invalid channel %x\n", __func__, channel);
973 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel);
975 data_cmd = upgt_getbuf(sc);
976 if (data_cmd == NULL) {
977 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__);
981 * Transmit the URB containing the CMD data.
983 bzero(data_cmd->buf, MCLBYTES);
985 mem = (struct upgt_lmac_mem *)data_cmd->buf;
986 mem->addr = htole32(sc->sc_memaddr_frame_start +
987 UPGT_MEMSIZE_FRAME_HEAD);
989 chan = (struct upgt_lmac_channel *)(mem + 1);
991 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
992 chan->header1.type = UPGT_H1_TYPE_CTRL;
993 chan->header1.len = htole16(
994 sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header));
996 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start);
997 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL);
998 chan->header2.flags = 0;
1000 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1);
1001 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2);
1002 chan->freq6 = sc->sc_eeprom_freq6[channel];
1003 chan->settings = sc->sc_eeprom_freq6_settings;
1004 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3;
1006 bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1,
1007 sizeof(chan->freq3_1));
1008 bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4,
1009 sizeof(sc->sc_eeprom_freq4[channel]));
1010 bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2,
1011 sizeof(chan->freq3_2));
1013 data_cmd->buflen = sizeof(*mem) + sizeof(*chan);
1015 mem->chksum = upgt_chksum_le((uint32_t *)chan,
1016 data_cmd->buflen - sizeof(*mem));
1018 upgt_bulk_tx(sc, data_cmd);
1021 static struct ieee80211vap *
1022 upgt_vap_create(struct ieee80211com *ic,
1023 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1024 const uint8_t bssid[IEEE80211_ADDR_LEN],
1025 const uint8_t mac[IEEE80211_ADDR_LEN])
1027 struct upgt_vap *uvp;
1028 struct ieee80211vap *vap;
1030 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
1032 uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap),
1033 M_80211_VAP, M_NOWAIT | M_ZERO);
1037 /* enable s/w bmiss handling for sta mode */
1038 ieee80211_vap_setup(ic, vap, name, unit, opmode,
1039 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
1041 /* override state transition machine */
1042 uvp->newstate = vap->iv_newstate;
1043 vap->iv_newstate = upgt_newstate;
1045 /* setup device rates */
1046 upgt_setup_rates(vap, ic);
1048 /* complete setup */
1049 ieee80211_vap_attach(vap, ieee80211_media_change,
1050 ieee80211_media_status);
1051 ic->ic_opmode = opmode;
1056 upgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1058 struct upgt_vap *uvp = UPGT_VAP(vap);
1059 struct ieee80211com *ic = vap->iv_ic;
1060 struct upgt_softc *sc = ic->ic_ifp->if_softc;
1062 /* do it in a process context */
1063 sc->sc_state = nstate;
1065 IEEE80211_UNLOCK(ic);
1067 callout_stop(&sc->sc_led_ch);
1068 callout_stop(&sc->sc_watchdog_ch);
1071 case IEEE80211_S_INIT:
1072 /* do not accept any frames if the device is down */
1073 (void)upgt_set_macfilter(sc, sc->sc_state);
1074 upgt_set_led(sc, UPGT_LED_OFF);
1076 case IEEE80211_S_SCAN:
1077 upgt_set_chan(sc, ic->ic_curchan);
1079 case IEEE80211_S_AUTH:
1080 upgt_set_chan(sc, ic->ic_curchan);
1082 case IEEE80211_S_ASSOC:
1084 case IEEE80211_S_RUN:
1085 upgt_set_macfilter(sc, sc->sc_state);
1086 upgt_set_led(sc, UPGT_LED_ON);
1093 return (uvp->newstate(vap, nstate, arg));
1097 upgt_vap_delete(struct ieee80211vap *vap)
1099 struct upgt_vap *uvp = UPGT_VAP(vap);
1101 ieee80211_vap_detach(vap);
1102 free(uvp, M_80211_VAP);
1106 upgt_update_mcast(struct ifnet *ifp)
1108 struct upgt_softc *sc = ifp->if_softc;
1114 upgt_eeprom_parse(struct upgt_softc *sc)
1116 struct upgt_eeprom_header *eeprom_header;
1117 struct upgt_eeprom_option *eeprom_option;
1118 uint16_t option_len;
1119 uint16_t option_type;
1120 uint16_t preamble_len;
1123 /* calculate eeprom options start offset */
1124 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom;
1125 preamble_len = le16toh(eeprom_header->preamble_len);
1126 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom +
1127 (sizeof(struct upgt_eeprom_header) + preamble_len));
1129 while (!option_end) {
1130 /* the eeprom option length is stored in words */
1132 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t);
1134 le16toh(eeprom_option->type);
1136 switch (option_type) {
1137 case UPGT_EEPROM_TYPE_NAME:
1138 DPRINTF(sc, UPGT_DEBUG_FW,
1139 "EEPROM name len=%d\n", option_len);
1141 case UPGT_EEPROM_TYPE_SERIAL:
1142 DPRINTF(sc, UPGT_DEBUG_FW,
1143 "EEPROM serial len=%d\n", option_len);
1145 case UPGT_EEPROM_TYPE_MAC:
1146 DPRINTF(sc, UPGT_DEBUG_FW,
1147 "EEPROM mac len=%d\n", option_len);
1149 IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data);
1151 case UPGT_EEPROM_TYPE_HWRX:
1152 DPRINTF(sc, UPGT_DEBUG_FW,
1153 "EEPROM hwrx len=%d\n", option_len);
1155 upgt_eeprom_parse_hwrx(sc, eeprom_option->data);
1157 case UPGT_EEPROM_TYPE_CHIP:
1158 DPRINTF(sc, UPGT_DEBUG_FW,
1159 "EEPROM chip len=%d\n", option_len);
1161 case UPGT_EEPROM_TYPE_FREQ3:
1162 DPRINTF(sc, UPGT_DEBUG_FW,
1163 "EEPROM freq3 len=%d\n", option_len);
1165 upgt_eeprom_parse_freq3(sc, eeprom_option->data,
1168 case UPGT_EEPROM_TYPE_FREQ4:
1169 DPRINTF(sc, UPGT_DEBUG_FW,
1170 "EEPROM freq4 len=%d\n", option_len);
1172 upgt_eeprom_parse_freq4(sc, eeprom_option->data,
1175 case UPGT_EEPROM_TYPE_FREQ5:
1176 DPRINTF(sc, UPGT_DEBUG_FW,
1177 "EEPROM freq5 len=%d\n", option_len);
1179 case UPGT_EEPROM_TYPE_FREQ6:
1180 DPRINTF(sc, UPGT_DEBUG_FW,
1181 "EEPROM freq6 len=%d\n", option_len);
1183 upgt_eeprom_parse_freq6(sc, eeprom_option->data,
1186 case UPGT_EEPROM_TYPE_END:
1187 DPRINTF(sc, UPGT_DEBUG_FW,
1188 "EEPROM end len=%d\n", option_len);
1191 case UPGT_EEPROM_TYPE_OFF:
1192 DPRINTF(sc, UPGT_DEBUG_FW,
1193 "%s: EEPROM off without end option!\n", __func__);
1196 DPRINTF(sc, UPGT_DEBUG_FW,
1197 "EEPROM unknown type 0x%04x len=%d\n",
1198 option_type, option_len);
1202 /* jump to next EEPROM option */
1203 eeprom_option = (struct upgt_eeprom_option *)
1204 (eeprom_option->data + option_len);
1211 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len)
1213 struct upgt_eeprom_freq3_header *freq3_header;
1214 struct upgt_lmac_freq3 *freq3;
1215 int i, elements, flags;
1218 freq3_header = (struct upgt_eeprom_freq3_header *)data;
1219 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1);
1221 flags = freq3_header->flags;
1222 elements = freq3_header->elements;
1224 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n",
1227 for (i = 0; i < elements; i++) {
1228 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0);
1229 if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
1232 sc->sc_eeprom_freq3[channel] = freq3[i];
1234 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1235 le16toh(sc->sc_eeprom_freq3[channel].freq), channel);
1240 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len)
1242 struct upgt_eeprom_freq4_header *freq4_header;
1243 struct upgt_eeprom_freq4_1 *freq4_1;
1244 struct upgt_eeprom_freq4_2 *freq4_2;
1245 int i, j, elements, settings, flags;
1248 freq4_header = (struct upgt_eeprom_freq4_header *)data;
1249 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1);
1250 flags = freq4_header->flags;
1251 elements = freq4_header->elements;
1252 settings = freq4_header->settings;
1254 /* we need this value later */
1255 sc->sc_eeprom_freq6_settings = freq4_header->settings;
1257 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n",
1258 flags, elements, settings);
1260 for (i = 0; i < elements; i++) {
1261 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0);
1262 if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
1265 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data;
1266 for (j = 0; j < settings; j++) {
1267 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j];
1268 sc->sc_eeprom_freq4[channel][j].pad = 0;
1271 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1272 le16toh(freq4_1[i].freq), channel);
1277 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len)
1279 struct upgt_lmac_freq6 *freq6;
1283 freq6 = (struct upgt_lmac_freq6 *)data;
1284 elements = len / sizeof(struct upgt_lmac_freq6);
1286 DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements);
1288 for (i = 0; i < elements; i++) {
1289 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0);
1290 if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
1293 sc->sc_eeprom_freq6[channel] = freq6[i];
1295 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1296 le16toh(sc->sc_eeprom_freq6[channel].freq), channel);
1301 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data)
1303 struct upgt_eeprom_option_hwrx *option_hwrx;
1305 option_hwrx = (struct upgt_eeprom_option_hwrx *)data;
1307 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST;
1309 DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n",
1310 sc->sc_eeprom_hwrx);
1314 upgt_eeprom_read(struct upgt_softc *sc)
1316 struct upgt_data *data_cmd;
1317 struct upgt_lmac_mem *mem;
1318 struct upgt_lmac_eeprom *eeprom;
1319 int block, error, offset;
1322 usb2_pause_mtx(&sc->sc_mtx, 100);
1325 block = UPGT_EEPROM_BLOCK_SIZE;
1326 while (offset < UPGT_EEPROM_SIZE) {
1327 DPRINTF(sc, UPGT_DEBUG_FW,
1328 "request EEPROM block (offset=%d, len=%d)\n", offset, block);
1330 data_cmd = upgt_getbuf(sc);
1331 if (data_cmd == NULL) {
1337 * Transmit the URB containing the CMD data.
1339 bzero(data_cmd->buf, MCLBYTES);
1341 mem = (struct upgt_lmac_mem *)data_cmd->buf;
1342 mem->addr = htole32(sc->sc_memaddr_frame_start +
1343 UPGT_MEMSIZE_FRAME_HEAD);
1345 eeprom = (struct upgt_lmac_eeprom *)(mem + 1);
1346 eeprom->header1.flags = 0;
1347 eeprom->header1.type = UPGT_H1_TYPE_CTRL;
1348 eeprom->header1.len = htole16((
1349 sizeof(struct upgt_lmac_eeprom) -
1350 sizeof(struct upgt_lmac_header)) + block);
1352 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start);
1353 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM);
1354 eeprom->header2.flags = 0;
1356 eeprom->offset = htole16(offset);
1357 eeprom->len = htole16(block);
1359 data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block;
1361 mem->chksum = upgt_chksum_le((uint32_t *)eeprom,
1362 data_cmd->buflen - sizeof(*mem));
1363 upgt_bulk_tx(sc, data_cmd);
1365 error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz);
1367 device_printf(sc->sc_dev,
1368 "timeout while waiting for EEPROM data!\n");
1374 if (UPGT_EEPROM_SIZE - offset < block)
1375 block = UPGT_EEPROM_SIZE - offset;
1383 * When a rx data came in the function returns a mbuf and a rssi values.
1385 static struct mbuf *
1386 upgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi)
1388 struct mbuf *m = NULL;
1389 struct upgt_softc *sc = xfer->priv_sc;
1390 struct upgt_lmac_header *header;
1391 struct upgt_lmac_eeprom *eeprom;
1395 UPGT_ASSERT_LOCKED(sc);
1397 if (xfer->actlen < 1)
1400 /* Check only at the very beginning. */
1401 if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) &&
1402 (memcmp(data->buf, "OK", 2) == 0)) {
1403 sc->sc_flags |= UPGT_FLAG_FWLOADED;
1408 if (xfer->actlen < UPGT_RX_MINSZ)
1412 * Check what type of frame came in.
1414 header = (struct upgt_lmac_header *)(data->buf + 4);
1416 h1_type = header->header1.type;
1417 h2_type = le16toh(header->header2.type);
1419 if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) {
1420 eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4);
1421 uint16_t eeprom_offset = le16toh(eeprom->offset);
1422 uint16_t eeprom_len = le16toh(eeprom->len);
1424 DPRINTF(sc, UPGT_DEBUG_FW,
1425 "received EEPROM block (offset=%d, len=%d)\n",
1426 eeprom_offset, eeprom_len);
1428 bcopy(data->buf + sizeof(struct upgt_lmac_eeprom) + 4,
1429 sc->sc_eeprom + eeprom_offset, eeprom_len);
1431 /* EEPROM data has arrived in time, wakeup. */
1433 } else if (h1_type == UPGT_H1_TYPE_CTRL &&
1434 h2_type == UPGT_H2_TYPE_TX_DONE) {
1435 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n",
1437 upgt_tx_done(sc, data->buf + 4);
1438 } else if (h1_type == UPGT_H1_TYPE_RX_DATA ||
1439 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) {
1440 DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n",
1442 m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len),
1444 } else if (h1_type == UPGT_H1_TYPE_CTRL &&
1445 h2_type == UPGT_H2_TYPE_STATS) {
1446 DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n",
1448 /* TODO: what could we do with the statistic data? */
1450 /* ignore unknown frame types */
1451 DPRINTF(sc, UPGT_DEBUG_INTR,
1452 "received unknown frame type 0x%02x\n",
1453 header->header1.type);
1459 * The firmware awaits a checksum for each frame we send to it.
1460 * The algorithm used therefor is uncommon but somehow similar to CRC32.
1463 upgt_chksum_le(const uint32_t *buf, size_t size)
1468 for (i = 0; i < size; i += sizeof(uint32_t)) {
1469 crc = htole32(crc ^ *buf++);
1470 crc = htole32((crc >> 5) ^ (crc << 3));
1476 static struct mbuf *
1477 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi)
1479 struct ifnet *ifp = sc->sc_ifp;
1480 struct ieee80211com *ic = ifp->if_l2com;
1481 struct upgt_lmac_rx_desc *rxdesc;
1485 * don't pass packets to the ieee80211 framework if the driver isn't
1488 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1491 /* access RX packet descriptor */
1492 rxdesc = (struct upgt_lmac_rx_desc *)data;
1494 /* create mbuf which is suitable for strict alignment archs */
1495 KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES,
1496 ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN));
1497 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
1499 device_printf(sc->sc_dev, "could not create RX mbuf!\n");
1502 m_adj(m, ETHER_ALIGN);
1503 bcopy(rxdesc->data, mtod(m, char *), pkglen);
1505 m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN;
1506 m->m_pkthdr.rcvif = ifp;
1508 if (ieee80211_radiotap_active(ic)) {
1509 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap;
1512 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate);
1513 tap->wr_antsignal = rxdesc->rssi;
1517 DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__);
1518 *rssi = rxdesc->rssi;
1523 upgt_rx_rate(struct upgt_softc *sc, const int rate)
1525 struct ifnet *ifp = sc->sc_ifp;
1526 struct ieee80211com *ic = ifp->if_l2com;
1527 static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 };
1528 static const uint8_t ofdm_upgt2rate[12] =
1529 { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 };
1531 if (ic->ic_curmode == IEEE80211_MODE_11B &&
1532 !(rate < 0 || rate > 3))
1533 return cck_upgt2rate[rate & 0xf];
1535 if (ic->ic_curmode == IEEE80211_MODE_11G &&
1536 !(rate < 0 || rate > 11))
1537 return ofdm_upgt2rate[rate & 0xf];
1543 upgt_tx_done(struct upgt_softc *sc, uint8_t *data)
1545 struct ifnet *ifp = sc->sc_ifp;
1546 struct upgt_lmac_tx_done_desc *desc;
1549 UPGT_ASSERT_LOCKED(sc);
1551 desc = (struct upgt_lmac_tx_done_desc *)data;
1553 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
1554 struct upgt_data *data_tx = &sc->sc_tx_data[i];
1556 if (data_tx->addr == le32toh(desc->header2.reqid)) {
1557 upgt_mem_free(sc, data_tx->addr);
1563 DPRINTF(sc, UPGT_DEBUG_TX_PROC,
1564 "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ",
1565 le32toh(desc->header2.reqid),
1566 le16toh(desc->status), le16toh(desc->rssi));
1567 DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n",
1568 le16toh(desc->seq));
1575 sc->sc_tx_timer = 0;
1576 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1584 upgt_mem_free(struct upgt_softc *sc, uint32_t addr)
1588 for (i = 0; i < sc->sc_memory.pages; i++) {
1589 if (sc->sc_memory.page[i].addr == addr) {
1590 sc->sc_memory.page[i].used = 0;
1595 device_printf(sc->sc_dev,
1596 "could not free memory address 0x%08x!\n", addr);
1600 upgt_fw_load(struct upgt_softc *sc)
1602 const struct firmware *fw;
1603 struct upgt_data *data_cmd;
1604 struct upgt_fw_x2_header *x2;
1605 char start_fwload_cmd[] = { 0x3c, 0x0d };
1606 int error = 0, offset, bsize, n;
1609 fw = firmware_get(upgt_fwname);
1611 device_printf(sc->sc_dev, "could not read microcode %s!\n",
1618 /* send firmware start load command */
1619 data_cmd = upgt_getbuf(sc);
1620 if (data_cmd == NULL) {
1624 data_cmd->buflen = sizeof(start_fwload_cmd);
1625 bcopy(start_fwload_cmd, data_cmd->buf, data_cmd->buflen);
1626 upgt_bulk_tx(sc, data_cmd);
1628 /* send X2 header */
1629 data_cmd = upgt_getbuf(sc);
1630 if (data_cmd == NULL) {
1634 data_cmd->buflen = sizeof(struct upgt_fw_x2_header);
1635 x2 = (struct upgt_fw_x2_header *)data_cmd->buf;
1636 bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE);
1637 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START);
1638 x2->len = htole32(fw->datasize);
1639 x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf +
1640 UPGT_X2_SIGNATURE_SIZE,
1641 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE -
1643 upgt_bulk_tx(sc, data_cmd);
1645 /* download firmware */
1646 for (offset = 0; offset < fw->datasize; offset += bsize) {
1647 if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE)
1648 bsize = UPGT_FW_BLOCK_SIZE;
1650 bsize = fw->datasize - offset;
1652 data_cmd = upgt_getbuf(sc);
1653 if (data_cmd == NULL) {
1657 n = upgt_fw_copy((const uint8_t *)fw->data + offset,
1658 data_cmd->buf, bsize);
1659 data_cmd->buflen = bsize;
1660 upgt_bulk_tx(sc, data_cmd);
1662 DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n",
1666 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__);
1669 data_cmd = upgt_getbuf(sc);
1670 if (data_cmd == NULL) {
1674 crc32 = upgt_crc32_le(fw->data, fw->datasize);
1675 *((uint32_t *)(data_cmd->buf) ) = crc32;
1676 *((uint8_t *)(data_cmd->buf) + 4) = 'g';
1677 *((uint8_t *)(data_cmd->buf) + 5) = '\r';
1678 data_cmd->buflen = 6;
1679 upgt_bulk_tx(sc, data_cmd);
1681 /* waiting 'OK' response. */
1682 usb2_transfer_start(sc->sc_xfer[UPGT_BULK_RX]);
1683 error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz);
1685 device_printf(sc->sc_dev, "firmware load failed!\n");
1689 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__);
1692 firmware_put(fw, FIRMWARE_UNLOAD);
1697 upgt_crc32_le(const void *buf, size_t size)
1701 crc = ether_crc32_le(buf, size);
1703 /* apply final XOR value as common for CRC-32 */
1704 crc = htole32(crc ^ 0xffffffffU);
1710 * While copying the version 2 firmware, we need to replace two characters:
1716 upgt_fw_copy(const uint8_t *src, char *dst, int size)
1720 for (i = 0, j = 0; i < size && j < size; i++) {
1745 upgt_mem_init(struct upgt_softc *sc)
1749 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) {
1750 sc->sc_memory.page[i].used = 0;
1754 * The first memory page is always reserved for
1757 sc->sc_memory.page[i].addr =
1758 sc->sc_memaddr_frame_start + MCLBYTES;
1760 sc->sc_memory.page[i].addr =
1761 sc->sc_memory.page[i - 1].addr + MCLBYTES;
1764 if (sc->sc_memory.page[i].addr + MCLBYTES >=
1765 sc->sc_memaddr_frame_end)
1768 DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n",
1769 i, sc->sc_memory.page[i].addr);
1772 sc->sc_memory.pages = i;
1774 DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages);
1779 upgt_fw_verify(struct upgt_softc *sc)
1781 const struct firmware *fw;
1782 const struct upgt_fw_bra_option *bra_opt;
1783 const struct upgt_fw_bra_descr *descr;
1786 uint32_t bra_option_type, bra_option_len;
1787 int offset, bra_end = 0, error = 0;
1789 fw = firmware_get(upgt_fwname);
1791 device_printf(sc->sc_dev, "could not read microcode %s!\n",
1797 * Seek to beginning of Boot Record Area (BRA).
1799 for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) {
1800 uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
1804 for (; offset < fw->datasize; offset += sizeof(*uc)) {
1805 uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
1809 if (offset == fw->datasize) {
1810 device_printf(sc->sc_dev,
1811 "firmware Boot Record Area not found!\n");
1816 DPRINTF(sc, UPGT_DEBUG_FW,
1817 "firmware Boot Record Area found at offset %d\n", offset);
1820 * Parse Boot Record Area (BRA) options.
1822 while (offset < fw->datasize && bra_end == 0) {
1823 /* get current BRA option */
1824 p = (const uint8_t *)fw->data + offset;
1825 bra_opt = (const struct upgt_fw_bra_option *)p;
1826 bra_option_type = le32toh(bra_opt->type);
1827 bra_option_len = le32toh(bra_opt->len) * sizeof(*uc);
1829 switch (bra_option_type) {
1830 case UPGT_BRA_TYPE_FW:
1831 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n",
1834 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) {
1835 device_printf(sc->sc_dev,
1836 "wrong UPGT_BRA_TYPE_FW len!\n");
1840 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data,
1841 bra_option_len) == 0) {
1842 sc->sc_fw_type = UPGT_FWTYPE_LM86;
1845 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data,
1846 bra_option_len) == 0) {
1847 sc->sc_fw_type = UPGT_FWTYPE_LM87;
1850 device_printf(sc->sc_dev,
1851 "unsupported firmware type!\n");
1854 case UPGT_BRA_TYPE_VERSION:
1855 DPRINTF(sc, UPGT_DEBUG_FW,
1856 "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len);
1858 case UPGT_BRA_TYPE_DEPIF:
1859 DPRINTF(sc, UPGT_DEBUG_FW,
1860 "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len);
1862 case UPGT_BRA_TYPE_EXPIF:
1863 DPRINTF(sc, UPGT_DEBUG_FW,
1864 "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len);
1866 case UPGT_BRA_TYPE_DESCR:
1867 DPRINTF(sc, UPGT_DEBUG_FW,
1868 "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len);
1870 descr = (const struct upgt_fw_bra_descr *)bra_opt->data;
1872 sc->sc_memaddr_frame_start =
1873 le32toh(descr->memaddr_space_start);
1874 sc->sc_memaddr_frame_end =
1875 le32toh(descr->memaddr_space_end);
1877 DPRINTF(sc, UPGT_DEBUG_FW,
1878 "memory address space start=0x%08x\n",
1879 sc->sc_memaddr_frame_start);
1880 DPRINTF(sc, UPGT_DEBUG_FW,
1881 "memory address space end=0x%08x\n",
1882 sc->sc_memaddr_frame_end);
1884 case UPGT_BRA_TYPE_END:
1885 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n",
1890 DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n",
1896 /* jump to next BRA option */
1897 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len;
1900 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__);
1902 firmware_put(fw, FIRMWARE_UNLOAD);
1907 upgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data)
1910 UPGT_ASSERT_LOCKED(sc);
1912 STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next);
1913 UPGT_STAT_INC(sc, st_tx_pending);
1914 usb2_transfer_start(sc->sc_xfer[UPGT_BULK_TX]);
1918 upgt_device_reset(struct upgt_softc *sc)
1920 struct upgt_data *data;
1921 char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e };
1925 data = upgt_getbuf(sc);
1930 bcopy(init_cmd, data->buf, sizeof(init_cmd));
1931 data->buflen = sizeof(init_cmd);
1932 upgt_bulk_tx(sc, data);
1933 usb2_pause_mtx(&sc->sc_mtx, 100);
1936 DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__);
1941 upgt_alloc_tx(struct upgt_softc *sc)
1945 STAILQ_INIT(&sc->sc_tx_active);
1946 STAILQ_INIT(&sc->sc_tx_inactive);
1947 STAILQ_INIT(&sc->sc_tx_pending);
1949 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
1950 struct upgt_data *data = &sc->sc_tx_data[i];
1952 data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO);
1953 if (data->buf == NULL) {
1954 device_printf(sc->sc_dev,
1955 "could not allocate TX buffer!\n");
1958 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
1959 UPGT_STAT_INC(sc, st_tx_inactive);
1966 upgt_alloc_rx(struct upgt_softc *sc)
1970 STAILQ_INIT(&sc->sc_rx_active);
1971 STAILQ_INIT(&sc->sc_rx_inactive);
1973 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
1974 struct upgt_data *data = &sc->sc_rx_data[i];
1976 data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO);
1977 if (data->buf == NULL) {
1978 device_printf(sc->sc_dev,
1979 "could not allocate RX buffer!\n");
1982 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
1989 upgt_detach(device_t dev)
1991 struct upgt_softc *sc = device_get_softc(dev);
1992 struct ifnet *ifp = sc->sc_ifp;
1993 struct ieee80211com *ic = ifp->if_l2com;
1995 if (!device_is_attached(dev))
2000 callout_drain(&sc->sc_led_ch);
2001 callout_drain(&sc->sc_watchdog_ch);
2003 usb2_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS);
2004 ieee80211_ifdetach(ic);
2009 mtx_destroy(&sc->sc_mtx);
2015 upgt_free_rx(struct upgt_softc *sc)
2019 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
2020 struct upgt_data *data = &sc->sc_rx_data[i];
2022 free(data->buf, M_USBDEV);
2028 upgt_free_tx(struct upgt_softc *sc)
2032 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
2033 struct upgt_data *data = &sc->sc_tx_data[i];
2035 free(data->buf, M_USBDEV);
2041 upgt_abort_xfers_locked(struct upgt_softc *sc)
2045 UPGT_ASSERT_LOCKED(sc);
2046 /* abort any pending transfers */
2047 for (i = 0; i < UPGT_N_XFERS; i++)
2048 usb2_transfer_stop(sc->sc_xfer[i]);
2052 upgt_abort_xfers(struct upgt_softc *sc)
2056 upgt_abort_xfers_locked(sc);
2060 #define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \
2061 SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d)
2064 upgt_sysctl_node(struct upgt_softc *sc)
2066 struct sysctl_ctx_list *ctx;
2067 struct sysctl_oid_list *child;
2068 struct sysctl_oid *tree;
2069 struct upgt_stat *stats;
2071 stats = &sc->sc_stat;
2072 ctx = device_get_sysctl_ctx(sc->sc_dev);
2073 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev));
2075 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
2076 NULL, "UPGT statistics");
2077 child = SYSCTL_CHILDREN(tree);
2078 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active",
2079 &stats->st_tx_active, "Active numbers in TX queue");
2080 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive",
2081 &stats->st_tx_inactive, "Inactive numbers in TX queue");
2082 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending",
2083 &stats->st_tx_pending, "Pending numbers in TX queue");
2086 #undef UPGT_SYSCTL_STAT_ADD32
2088 static struct upgt_data *
2089 _upgt_getbuf(struct upgt_softc *sc)
2091 struct upgt_data *bf;
2093 bf = STAILQ_FIRST(&sc->sc_tx_inactive);
2095 STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next);
2096 UPGT_STAT_DEC(sc, st_tx_inactive);
2100 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__,
2101 "out of xmit buffers");
2105 static struct upgt_data *
2106 upgt_getbuf(struct upgt_softc *sc)
2108 struct upgt_data *bf;
2110 UPGT_ASSERT_LOCKED(sc);
2112 bf = _upgt_getbuf(sc);
2114 struct ifnet *ifp = sc->sc_ifp;
2116 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__);
2117 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2123 static struct upgt_data *
2124 upgt_gettxbuf(struct upgt_softc *sc)
2126 struct upgt_data *bf;
2128 UPGT_ASSERT_LOCKED(sc);
2130 bf = upgt_getbuf(sc);
2134 bf->addr = upgt_mem_alloc(sc);
2135 if (bf->addr == 0) {
2136 struct ifnet *ifp = sc->sc_ifp;
2138 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n",
2140 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
2141 UPGT_STAT_INC(sc, st_tx_inactive);
2142 if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE))
2143 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2150 upgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
2151 struct upgt_data *data)
2153 struct ieee80211vap *vap = ni->ni_vap;
2155 struct ieee80211_frame *wh;
2156 struct ieee80211_key *k;
2157 struct ifnet *ifp = sc->sc_ifp;
2158 struct upgt_lmac_mem *mem;
2159 struct upgt_lmac_tx_desc *txdesc;
2161 UPGT_ASSERT_LOCKED(sc);
2163 upgt_set_led(sc, UPGT_LED_BLINK);
2168 wh = mtod(m, struct ieee80211_frame *);
2169 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
2170 k = ieee80211_crypto_encap(ni, m);
2172 device_printf(sc->sc_dev,
2173 "ieee80211_crypto_encap returns NULL.\n");
2178 /* in case packet header moved, reset pointer */
2179 wh = mtod(m, struct ieee80211_frame *);
2182 /* Transmit the URB containing the TX data. */
2183 bzero(data->buf, MCLBYTES);
2184 mem = (struct upgt_lmac_mem *)data->buf;
2185 mem->addr = htole32(data->addr);
2186 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1);
2188 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
2189 IEEE80211_FC0_TYPE_MGT) {
2191 txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT;
2192 /* always send mgmt frames at lowest rate (DS1) */
2193 memset(txdesc->rates, 0x10, sizeof(txdesc->rates));
2196 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA;
2197 bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates));
2199 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA;
2200 txdesc->header1.len = htole16(m->m_pkthdr.len);
2201 txdesc->header2.reqid = htole32(data->addr);
2202 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES);
2203 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES);
2204 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA);
2205 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE;
2207 if (ieee80211_radiotap_active_vap(vap)) {
2208 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap;
2211 tap->wt_rate = 0; /* XXX where to get from? */
2213 ieee80211_radiotap_tx(vap, m);
2216 /* copy frame below our TX descriptor header */
2217 m_copydata(m, 0, m->m_pkthdr.len,
2218 data->buf + (sizeof(*mem) + sizeof(*txdesc)));
2219 /* calculate frame size */
2220 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len;
2221 /* we need to align the frame to a 4 byte boundary */
2222 len = (len + 3) & ~3;
2223 /* calculate frame checksum */
2224 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem));
2229 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n",
2231 KASSERT(len <= MCLBYTES, ("mbuf is small for saving data"));
2233 upgt_bulk_tx(sc, data);
2236 * If we don't regulary read the device statistics, the RX queue
2237 * will stall. It's strange, but it works, so we keep reading
2238 * the statistics here. *shrug*
2240 if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL))
2247 upgt_bulk_rx_callback(struct usb_xfer *xfer)
2249 struct upgt_softc *sc = xfer->priv_sc;
2250 struct ifnet *ifp = sc->sc_ifp;
2251 struct ieee80211com *ic = ifp->if_l2com;
2252 struct ieee80211_frame *wh;
2253 struct ieee80211_node *ni;
2254 struct mbuf *m = NULL;
2255 struct upgt_data *data;
2259 UPGT_ASSERT_LOCKED(sc);
2261 switch (USB_GET_STATE(xfer)) {
2262 case USB_ST_TRANSFERRED:
2263 data = STAILQ_FIRST(&sc->sc_rx_active);
2266 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2267 m = upgt_rxeof(xfer, data, &rssi);
2268 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2272 data = STAILQ_FIRST(&sc->sc_rx_inactive);
2275 STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next);
2276 STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next);
2277 usb2_set_frame_data(xfer, data->buf, 0);
2278 xfer->frlengths[0] = xfer->max_data_length;
2279 usb2_start_hardware(xfer);
2282 * To avoid LOR we should unlock our private mutex here to call
2283 * ieee80211_input() because here is at the end of a USB
2284 * callback and safe to unlock.
2288 wh = mtod(m, struct ieee80211_frame *);
2289 ni = ieee80211_find_rxnode(ic,
2290 (struct ieee80211_frame_min *)wh);
2293 (void) ieee80211_input(ni, m, rssi, nf);
2294 /* node is no longer needed */
2295 ieee80211_free_node(ni);
2297 (void) ieee80211_input_all(ic, m, rssi, nf);
2303 /* needs it to the inactive queue due to a error. */
2304 data = STAILQ_FIRST(&sc->sc_rx_active);
2306 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2307 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2309 if (xfer->error != USB_ERR_CANCELLED) {
2310 xfer->flags.stall_pipe = 1;
2319 upgt_bulk_tx_callback(struct usb_xfer *xfer)
2321 struct upgt_softc *sc = xfer->priv_sc;
2322 struct ifnet *ifp = sc->sc_ifp;
2323 struct upgt_data *data;
2325 UPGT_ASSERT_LOCKED(sc);
2326 switch (USB_GET_STATE(xfer)) {
2327 case USB_ST_TRANSFERRED:
2328 data = STAILQ_FIRST(&sc->sc_tx_active);
2331 STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next);
2332 UPGT_STAT_DEC(sc, st_tx_active);
2333 upgt_txeof(xfer, data);
2334 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
2335 UPGT_STAT_INC(sc, st_tx_inactive);
2339 data = STAILQ_FIRST(&sc->sc_tx_pending);
2341 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n",
2345 STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next);
2346 UPGT_STAT_DEC(sc, st_tx_pending);
2347 STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next);
2348 UPGT_STAT_INC(sc, st_tx_active);
2350 usb2_set_frame_data(xfer, data->buf, 0);
2351 xfer->frlengths[0] = data->buflen;
2352 usb2_start_hardware(xfer);
2358 data = STAILQ_FIRST(&sc->sc_tx_active);
2361 if (data->ni != NULL) {
2362 ieee80211_free_node(data->ni);
2366 if (xfer->error != USB_ERR_CANCELLED) {
2367 xfer->flags.stall_pipe = 1;
2374 static device_method_t upgt_methods[] = {
2375 /* Device interface */
2376 DEVMETHOD(device_probe, upgt_match),
2377 DEVMETHOD(device_attach, upgt_attach),
2378 DEVMETHOD(device_detach, upgt_detach),
2383 static driver_t upgt_driver = {
2386 sizeof(struct upgt_softc)
2389 static devclass_t upgt_devclass;
2391 DRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0);
2392 MODULE_VERSION(if_upgt, 1);
2393 MODULE_DEPEND(if_upgt, usb, 1, 1, 1);
2394 MODULE_DEPEND(if_upgt, wlan, 1, 1, 1);
2395 MODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1);