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>
42 #include <net80211/ieee80211_var.h>
43 #include <net80211/ieee80211_phy.h>
44 #include <net80211/ieee80211_radiotap.h>
45 #include <net80211/ieee80211_regdomain.h>
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbdi.h>
53 #include <dev/usb/wlan/if_upgtvar.h>
56 * Driver for the USB PrismGT devices.
58 * For now just USB 2.0 devices with the GW3887 chipset are supported.
59 * The driver has been written based on the firmware version 2.13.1.0_LM87.
62 * - MONITOR mode test.
65 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets).
67 * Parts of this driver has been influenced by reading the p54u driver
68 * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and
69 * Sebastien Bourdeauducq <lekernel@prism54.org>.
72 static SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0,
73 "USB PrismGT GW3887 driver parameters");
77 SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &upgt_debug,
78 0, "control debugging printfs");
79 TUNABLE_INT("hw.upgt.debug", &upgt_debug);
81 UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
82 UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */
83 UPGT_DEBUG_RESET = 0x00000004, /* reset processing */
84 UPGT_DEBUG_INTR = 0x00000008, /* INTR */
85 UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */
86 UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */
87 UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */
88 UPGT_DEBUG_STAT = 0x00000080, /* statistic */
89 UPGT_DEBUG_FW = 0x00000100, /* firmware */
90 UPGT_DEBUG_ANY = 0xffffffff
92 #define DPRINTF(sc, m, fmt, ...) do { \
93 if (sc->sc_debug & (m)) \
94 printf(fmt, __VA_ARGS__); \
97 #define DPRINTF(sc, m, fmt, ...) do { \
105 static device_probe_t upgt_match;
106 static device_attach_t upgt_attach;
107 static device_detach_t upgt_detach;
108 static int upgt_alloc_tx(struct upgt_softc *);
109 static int upgt_alloc_rx(struct upgt_softc *);
110 static int upgt_device_reset(struct upgt_softc *);
111 static void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *);
112 static int upgt_fw_verify(struct upgt_softc *);
113 static int upgt_mem_init(struct upgt_softc *);
114 static int upgt_fw_load(struct upgt_softc *);
115 static int upgt_fw_copy(const uint8_t *, char *, int);
116 static uint32_t upgt_crc32_le(const void *, size_t);
118 upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *);
120 upgt_rx(struct upgt_softc *, uint8_t *, int, int *);
121 static void upgt_txeof(struct usb_xfer *, struct upgt_data *);
122 static int upgt_eeprom_read(struct upgt_softc *);
123 static int upgt_eeprom_parse(struct upgt_softc *);
124 static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *);
125 static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int);
126 static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int);
127 static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int);
128 static uint32_t upgt_chksum_le(const uint32_t *, size_t);
129 static void upgt_tx_done(struct upgt_softc *, uint8_t *);
130 static void upgt_init(void *);
131 static void upgt_init_locked(struct upgt_softc *);
132 static int upgt_ioctl(struct ifnet *, u_long, caddr_t);
133 static void upgt_start(struct ifnet *);
134 static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *,
135 const struct ieee80211_bpf_params *);
136 static void upgt_scan_start(struct ieee80211com *);
137 static void upgt_scan_end(struct ieee80211com *);
138 static void upgt_set_channel(struct ieee80211com *);
139 static struct ieee80211vap *upgt_vap_create(struct ieee80211com *,
140 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
141 const uint8_t [IEEE80211_ADDR_LEN],
142 const uint8_t [IEEE80211_ADDR_LEN]);
143 static void upgt_vap_delete(struct ieee80211vap *);
144 static void upgt_update_mcast(struct ifnet *);
145 static uint8_t upgt_rx_rate(struct upgt_softc *, const int);
146 static void upgt_set_multi(void *);
147 static void upgt_stop(struct upgt_softc *);
148 static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *);
149 static int upgt_set_macfilter(struct upgt_softc *, uint8_t);
150 static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int);
151 static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *);
152 static void upgt_set_led(struct upgt_softc *, int);
153 static void upgt_set_led_blink(void *);
154 static void upgt_get_stats(struct upgt_softc *);
155 static void upgt_mem_free(struct upgt_softc *, uint32_t);
156 static uint32_t upgt_mem_alloc(struct upgt_softc *);
157 static void upgt_free_tx(struct upgt_softc *);
158 static void upgt_free_rx(struct upgt_softc *);
159 static void upgt_watchdog(void *);
160 static void upgt_abort_xfers(struct upgt_softc *);
161 static void upgt_abort_xfers_locked(struct upgt_softc *);
162 static void upgt_sysctl_node(struct upgt_softc *);
163 static struct upgt_data *
164 upgt_getbuf(struct upgt_softc *);
165 static struct upgt_data *
166 upgt_gettxbuf(struct upgt_softc *);
167 static int upgt_tx_start(struct upgt_softc *, struct mbuf *,
168 struct ieee80211_node *, struct upgt_data *);
170 static const char *upgt_fwname = "upgt-gw3887";
172 static const STRUCT_USB_HOST_ID upgt_devs[] = {
173 #define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
174 /* version 2 devices */
175 UPGT_DEV(ACCTON, PRISM_GT),
176 UPGT_DEV(BELKIN, F5D7050),
177 UPGT_DEV(CISCOLINKSYS, WUSB54AG),
178 UPGT_DEV(CONCEPTRONIC, PRISM_GT),
179 UPGT_DEV(DELL, PRISM_GT_1),
180 UPGT_DEV(DELL, PRISM_GT_2),
181 UPGT_DEV(FSC, E5400),
182 UPGT_DEV(GLOBESPAN, PRISM_GT_1),
183 UPGT_DEV(GLOBESPAN, PRISM_GT_2),
184 UPGT_DEV(NETGEAR, WG111V1_2),
185 UPGT_DEV(INTERSIL, PRISM_GT),
186 UPGT_DEV(SMC, 2862WG),
187 UPGT_DEV(USR, USR5422),
188 UPGT_DEV(WISTRONNEWEB, UR045G),
189 UPGT_DEV(XYRATEX, PRISM_GT_1),
190 UPGT_DEV(XYRATEX, PRISM_GT_2),
191 UPGT_DEV(ZCOM, XG703A),
192 UPGT_DEV(ZCOM, XM142)
195 static usb_callback_t upgt_bulk_rx_callback;
196 static usb_callback_t upgt_bulk_tx_callback;
198 static const struct usb_config upgt_config[UPGT_N_XFERS] = {
201 .endpoint = UE_ADDR_ANY,
202 .direction = UE_DIR_OUT,
203 .bufsize = MCLBYTES * UPGT_TX_MAXCOUNT,
205 .force_short_xfer = 1,
208 .callback = upgt_bulk_tx_callback,
209 .timeout = UPGT_USB_TIMEOUT, /* ms */
213 .endpoint = UE_ADDR_ANY,
214 .direction = UE_DIR_IN,
215 .bufsize = MCLBYTES * UPGT_RX_MAXCOUNT,
220 .callback = upgt_bulk_rx_callback,
225 upgt_match(device_t dev)
227 struct usb_attach_arg *uaa = device_get_ivars(dev);
229 if (uaa->usb_mode != USB_MODE_HOST)
231 if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX)
233 if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX)
236 return (usbd_lookup_id_by_uaa(upgt_devs, sizeof(upgt_devs), uaa));
240 upgt_attach(device_t dev)
243 struct ieee80211com *ic;
245 struct upgt_softc *sc = device_get_softc(dev);
246 struct usb_attach_arg *uaa = device_get_ivars(dev);
247 uint8_t bands, iface_index = UPGT_IFACE_INDEX;
250 sc->sc_udev = uaa->device;
252 sc->sc_debug = upgt_debug;
254 device_set_usb_desc(dev);
256 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK,
258 callout_init(&sc->sc_led_ch, 0);
259 callout_init(&sc->sc_watchdog_ch, 0);
261 error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer,
262 upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx);
264 device_printf(dev, "could not allocate USB transfers, "
265 "err=%s\n", usbd_errstr(error));
269 sc->sc_rx_dma_buf = usbd_xfer_get_frame_buffer(
270 sc->sc_xfer[UPGT_BULK_RX], 0);
271 sc->sc_tx_dma_buf = usbd_xfer_get_frame_buffer(
272 sc->sc_xfer[UPGT_BULK_TX], 0);
274 /* Setup TX and RX buffers */
275 error = upgt_alloc_tx(sc);
278 error = upgt_alloc_rx(sc);
282 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
284 device_printf(dev, "can not if_alloc()\n");
288 /* Initialize the device. */
289 error = upgt_device_reset(sc);
292 /* Verify the firmware. */
293 error = upgt_fw_verify(sc);
296 /* Calculate device memory space. */
297 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) {
299 "could not find memory space addresses on FW\n");
303 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1;
304 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1;
306 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n",
307 sc->sc_memaddr_frame_start);
308 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n",
309 sc->sc_memaddr_frame_end);
310 DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n",
311 sc->sc_memaddr_rx_start);
315 /* Load the firmware. */
316 error = upgt_fw_load(sc);
320 /* Read the whole EEPROM content and parse it. */
321 error = upgt_eeprom_read(sc);
324 error = upgt_eeprom_parse(sc);
328 /* all works related with the device have done here. */
329 upgt_abort_xfers(sc);
331 /* Setup the 802.11 device. */
333 if_initname(ifp, "upgt", device_get_unit(sc->sc_dev));
334 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
335 ifp->if_init = upgt_init;
336 ifp->if_ioctl = upgt_ioctl;
337 ifp->if_start = upgt_start;
338 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
339 IFQ_SET_READY(&ifp->if_snd);
343 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
344 ic->ic_opmode = IEEE80211_M_STA;
345 /* set device capabilities */
347 IEEE80211_C_STA /* station mode */
348 | IEEE80211_C_MONITOR /* monitor mode */
349 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
350 | IEEE80211_C_SHSLOT /* short slot time supported */
351 | IEEE80211_C_BGSCAN /* capable of bg scanning */
352 | IEEE80211_C_WPA /* 802.11i */
356 setbit(&bands, IEEE80211_MODE_11B);
357 setbit(&bands, IEEE80211_MODE_11G);
358 ieee80211_init_channels(ic, NULL, &bands);
360 ieee80211_ifattach(ic, sc->sc_myaddr);
361 ic->ic_raw_xmit = upgt_raw_xmit;
362 ic->ic_scan_start = upgt_scan_start;
363 ic->ic_scan_end = upgt_scan_end;
364 ic->ic_set_channel = upgt_set_channel;
366 ic->ic_vap_create = upgt_vap_create;
367 ic->ic_vap_delete = upgt_vap_delete;
368 ic->ic_update_mcast = upgt_update_mcast;
370 ieee80211_radiotap_attach(ic,
371 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
372 UPGT_TX_RADIOTAP_PRESENT,
373 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
374 UPGT_RX_RADIOTAP_PRESENT);
376 upgt_sysctl_node(sc);
379 ieee80211_announce(ic);
384 fail4: upgt_free_rx(sc);
385 fail3: upgt_free_tx(sc);
386 fail2: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS);
387 fail1: mtx_destroy(&sc->sc_mtx);
393 upgt_txeof(struct usb_xfer *xfer, struct upgt_data *data)
395 struct upgt_softc *sc = usbd_xfer_softc(xfer);
396 struct ifnet *ifp = sc->sc_ifp;
399 UPGT_ASSERT_LOCKED(sc);
402 * Do any tx complete callback. Note this must be done before releasing
403 * the node reference.
407 if (m->m_flags & M_TXCB) {
409 ieee80211_process_callback(data->ni, m, 0);
415 ieee80211_free_node(data->ni);
422 upgt_get_stats(struct upgt_softc *sc)
424 struct upgt_data *data_cmd;
425 struct upgt_lmac_mem *mem;
426 struct upgt_lmac_stats *stats;
428 data_cmd = upgt_getbuf(sc);
429 if (data_cmd == NULL) {
430 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__);
435 * Transmit the URB containing the CMD data.
437 memset(data_cmd->buf, 0, MCLBYTES);
439 mem = (struct upgt_lmac_mem *)data_cmd->buf;
440 mem->addr = htole32(sc->sc_memaddr_frame_start +
441 UPGT_MEMSIZE_FRAME_HEAD);
443 stats = (struct upgt_lmac_stats *)(mem + 1);
445 stats->header1.flags = 0;
446 stats->header1.type = UPGT_H1_TYPE_CTRL;
447 stats->header1.len = htole16(
448 sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header));
450 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start);
451 stats->header2.type = htole16(UPGT_H2_TYPE_STATS);
452 stats->header2.flags = 0;
454 data_cmd->buflen = sizeof(*mem) + sizeof(*stats);
456 mem->chksum = upgt_chksum_le((uint32_t *)stats,
457 data_cmd->buflen - sizeof(*mem));
459 upgt_bulk_tx(sc, data_cmd);
463 upgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
465 struct upgt_softc *sc = ifp->if_softc;
466 struct ieee80211com *ic = ifp->if_l2com;
467 struct ifreq *ifr = (struct ifreq *) data;
472 error = (sc->sc_flags & UPGT_FLAG_DETACHED) ? ENXIO : 0;
479 if (ifp->if_flags & IFF_UP) {
480 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
481 if ((ifp->if_flags ^ sc->sc_if_flags) &
482 (IFF_ALLMULTI | IFF_PROMISC))
489 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
492 sc->sc_if_flags = ifp->if_flags;
494 ieee80211_start_all(ic);
497 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
500 error = ether_ioctl(ifp, cmd, data);
510 upgt_stop_locked(struct upgt_softc *sc)
512 struct ifnet *ifp = sc->sc_ifp;
514 UPGT_ASSERT_LOCKED(sc);
516 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
517 upgt_set_macfilter(sc, IEEE80211_S_INIT);
518 upgt_abort_xfers_locked(sc);
522 upgt_stop(struct upgt_softc *sc)
524 struct ifnet *ifp = sc->sc_ifp;
527 upgt_stop_locked(sc);
532 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
533 sc->sc_flags &= ~UPGT_FLAG_INITDONE;
537 upgt_set_led(struct upgt_softc *sc, int action)
539 struct upgt_data *data_cmd;
540 struct upgt_lmac_mem *mem;
541 struct upgt_lmac_led *led;
543 data_cmd = upgt_getbuf(sc);
544 if (data_cmd == NULL) {
545 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__);
550 * Transmit the URB containing the CMD data.
552 memset(data_cmd->buf, 0, MCLBYTES);
554 mem = (struct upgt_lmac_mem *)data_cmd->buf;
555 mem->addr = htole32(sc->sc_memaddr_frame_start +
556 UPGT_MEMSIZE_FRAME_HEAD);
558 led = (struct upgt_lmac_led *)(mem + 1);
560 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
561 led->header1.type = UPGT_H1_TYPE_CTRL;
562 led->header1.len = htole16(
563 sizeof(struct upgt_lmac_led) -
564 sizeof(struct upgt_lmac_header));
566 led->header2.reqid = htole32(sc->sc_memaddr_frame_start);
567 led->header2.type = htole16(UPGT_H2_TYPE_LED);
568 led->header2.flags = 0;
572 led->mode = htole16(UPGT_LED_MODE_SET);
574 led->action_tmp = htole16(UPGT_LED_ACTION_OFF);
575 led->action_tmp_dur = 0;
578 led->mode = htole16(UPGT_LED_MODE_SET);
580 led->action_tmp = htole16(UPGT_LED_ACTION_ON);
581 led->action_tmp_dur = 0;
584 if (sc->sc_state != IEEE80211_S_RUN) {
585 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
588 if (sc->sc_led_blink) {
589 /* previous blink was not finished */
590 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
593 led->mode = htole16(UPGT_LED_MODE_SET);
594 led->action_fix = htole16(UPGT_LED_ACTION_OFF);
595 led->action_tmp = htole16(UPGT_LED_ACTION_ON);
596 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR);
598 sc->sc_led_blink = 1;
599 callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc);
602 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next);
606 data_cmd->buflen = sizeof(*mem) + sizeof(*led);
608 mem->chksum = upgt_chksum_le((uint32_t *)led,
609 data_cmd->buflen - sizeof(*mem));
611 upgt_bulk_tx(sc, data_cmd);
615 upgt_set_led_blink(void *arg)
617 struct upgt_softc *sc = arg;
619 /* blink finished, we are ready for a next one */
620 sc->sc_led_blink = 0;
624 upgt_init(void *priv)
626 struct upgt_softc *sc = priv;
627 struct ifnet *ifp = sc->sc_ifp;
628 struct ieee80211com *ic = ifp->if_l2com;
631 upgt_init_locked(sc);
634 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
635 ieee80211_start_all(ic); /* start all vap's */
639 upgt_init_locked(struct upgt_softc *sc)
641 struct ifnet *ifp = sc->sc_ifp;
643 UPGT_ASSERT_LOCKED(sc);
645 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
646 upgt_stop_locked(sc);
648 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]);
650 (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN);
652 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
653 ifp->if_drv_flags |= IFF_DRV_RUNNING;
654 sc->sc_flags |= UPGT_FLAG_INITDONE;
656 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc);
660 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state)
662 struct ifnet *ifp = sc->sc_ifp;
663 struct ieee80211com *ic = ifp->if_l2com;
664 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
665 struct ieee80211_node *ni;
666 struct upgt_data *data_cmd;
667 struct upgt_lmac_mem *mem;
668 struct upgt_lmac_filter *filter;
669 uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
671 UPGT_ASSERT_LOCKED(sc);
673 data_cmd = upgt_getbuf(sc);
674 if (data_cmd == NULL) {
675 device_printf(sc->sc_dev, "out of TX buffers.\n");
680 * Transmit the URB containing the CMD data.
682 memset(data_cmd->buf, 0, MCLBYTES);
684 mem = (struct upgt_lmac_mem *)data_cmd->buf;
685 mem->addr = htole32(sc->sc_memaddr_frame_start +
686 UPGT_MEMSIZE_FRAME_HEAD);
688 filter = (struct upgt_lmac_filter *)(mem + 1);
690 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
691 filter->header1.type = UPGT_H1_TYPE_CTRL;
692 filter->header1.len = htole16(
693 sizeof(struct upgt_lmac_filter) -
694 sizeof(struct upgt_lmac_header));
696 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start);
697 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER);
698 filter->header2.flags = 0;
701 case IEEE80211_S_INIT:
702 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n",
704 filter->type = htole16(UPGT_FILTER_TYPE_RESET);
706 case IEEE80211_S_SCAN:
707 DPRINTF(sc, UPGT_DEBUG_STATE,
708 "set MAC filter to SCAN (bssid %s)\n",
709 ether_sprintf(broadcast));
710 filter->type = htole16(UPGT_FILTER_TYPE_NONE);
711 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
712 IEEE80211_ADDR_COPY(filter->src, broadcast);
713 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1);
714 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
715 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2);
716 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
717 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3);
719 case IEEE80211_S_RUN:
720 ni = ieee80211_ref_node(vap->iv_bss);
721 /* XXX monitor mode isn't tested yet. */
722 if (vap->iv_opmode == IEEE80211_M_MONITOR) {
723 filter->type = htole16(UPGT_FILTER_TYPE_MONITOR);
724 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
725 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid);
726 filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1);
727 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
728 filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2);
729 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
730 filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3);
732 DPRINTF(sc, UPGT_DEBUG_STATE,
733 "set MAC filter to RUN (bssid %s)\n",
734 ether_sprintf(ni->ni_bssid));
735 filter->type = htole16(UPGT_FILTER_TYPE_STA);
736 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr);
737 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid);
738 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1);
739 filter->rxaddr = htole32(sc->sc_memaddr_rx_start);
740 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2);
741 filter->rxhw = htole32(sc->sc_eeprom_hwrx);
742 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3);
744 ieee80211_free_node(ni);
747 device_printf(sc->sc_dev,
748 "MAC filter does not know that state\n");
752 data_cmd->buflen = sizeof(*mem) + sizeof(*filter);
754 mem->chksum = upgt_chksum_le((uint32_t *)filter,
755 data_cmd->buflen - sizeof(*mem));
757 upgt_bulk_tx(sc, data_cmd);
763 upgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic)
765 struct ifnet *ifp = ic->ic_ifp;
766 struct upgt_softc *sc = ifp->if_softc;
767 const struct ieee80211_txparam *tp;
770 * 0x01 = OFMD6 0x10 = DS1
771 * 0x04 = OFDM9 0x11 = DS2
772 * 0x06 = OFDM12 0x12 = DS5
773 * 0x07 = OFDM18 0x13 = DS11
779 const uint8_t rateset_auto_11b[] =
780 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 };
781 const uint8_t rateset_auto_11g[] =
782 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 };
783 const uint8_t rateset_fix_11bg[] =
784 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07,
785 0x08, 0x09, 0x0a, 0x0b };
787 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
790 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) {
792 * Automatic rate control is done by the device.
793 * We just pass the rateset from which the device
794 * will pickup a rate.
796 if (ic->ic_curmode == IEEE80211_MODE_11B)
797 memcpy(sc->sc_cur_rateset, rateset_auto_11b,
798 sizeof(sc->sc_cur_rateset));
799 if (ic->ic_curmode == IEEE80211_MODE_11G ||
800 ic->ic_curmode == IEEE80211_MODE_AUTO)
801 memcpy(sc->sc_cur_rateset, rateset_auto_11g,
802 sizeof(sc->sc_cur_rateset));
804 /* set a fixed rate */
805 memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate],
806 sizeof(sc->sc_cur_rateset));
811 upgt_set_multi(void *arg)
813 struct upgt_softc *sc = arg;
814 struct ifnet *ifp = sc->sc_ifp;
816 if (!(ifp->if_flags & IFF_UP))
820 * XXX don't know how to set a device. Lack of docs. Just try to set
821 * IFF_ALLMULTI flag here.
823 ifp->if_flags |= IFF_ALLMULTI;
827 upgt_start(struct ifnet *ifp)
829 struct upgt_softc *sc = ifp->if_softc;
830 struct upgt_data *data_tx;
831 struct ieee80211_node *ni;
834 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
839 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
843 data_tx = upgt_gettxbuf(sc);
844 if (data_tx == NULL) {
845 IFQ_DRV_PREPEND(&ifp->if_snd, m);
849 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
850 m->m_pkthdr.rcvif = NULL;
852 if (upgt_tx_start(sc, m, ni, data_tx) != 0) {
853 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next);
854 UPGT_STAT_INC(sc, st_tx_inactive);
855 ieee80211_free_node(ni);
865 upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
866 const struct ieee80211_bpf_params *params)
868 struct ieee80211com *ic = ni->ni_ic;
869 struct ifnet *ifp = ic->ic_ifp;
870 struct upgt_softc *sc = ifp->if_softc;
871 struct upgt_data *data_tx = NULL;
873 /* prevent management frames from being sent if we're not ready */
874 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
876 ieee80211_free_node(ni);
881 data_tx = upgt_gettxbuf(sc);
882 if (data_tx == NULL) {
883 ieee80211_free_node(ni);
889 if (upgt_tx_start(sc, m, ni, data_tx) != 0) {
890 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next);
891 UPGT_STAT_INC(sc, st_tx_inactive);
892 ieee80211_free_node(ni);
904 upgt_watchdog(void *arg)
906 struct upgt_softc *sc = arg;
907 struct ifnet *ifp = sc->sc_ifp;
909 if (sc->sc_tx_timer > 0) {
910 if (--sc->sc_tx_timer == 0) {
911 device_printf(sc->sc_dev, "watchdog timeout\n");
912 /* upgt_init(ifp); XXX needs a process context ? */
916 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc);
921 upgt_mem_alloc(struct upgt_softc *sc)
925 for (i = 0; i < sc->sc_memory.pages; i++) {
926 if (sc->sc_memory.page[i].used == 0) {
927 sc->sc_memory.page[i].used = 1;
928 return (sc->sc_memory.page[i].addr);
936 upgt_scan_start(struct ieee80211com *ic)
942 upgt_scan_end(struct ieee80211com *ic)
948 upgt_set_channel(struct ieee80211com *ic)
950 struct upgt_softc *sc = ic->ic_ifp->if_softc;
953 upgt_set_chan(sc, ic->ic_curchan);
958 upgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c)
960 struct ifnet *ifp = sc->sc_ifp;
961 struct ieee80211com *ic = ifp->if_l2com;
962 struct upgt_data *data_cmd;
963 struct upgt_lmac_mem *mem;
964 struct upgt_lmac_channel *chan;
967 UPGT_ASSERT_LOCKED(sc);
969 channel = ieee80211_chan2ieee(ic, c);
970 if (channel == 0 || channel == IEEE80211_CHAN_ANY) {
971 /* XXX should NEVER happen */
972 device_printf(sc->sc_dev,
973 "%s: invalid channel %x\n", __func__, channel);
977 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel);
979 data_cmd = upgt_getbuf(sc);
980 if (data_cmd == NULL) {
981 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__);
985 * Transmit the URB containing the CMD data.
987 memset(data_cmd->buf, 0, MCLBYTES);
989 mem = (struct upgt_lmac_mem *)data_cmd->buf;
990 mem->addr = htole32(sc->sc_memaddr_frame_start +
991 UPGT_MEMSIZE_FRAME_HEAD);
993 chan = (struct upgt_lmac_channel *)(mem + 1);
995 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK;
996 chan->header1.type = UPGT_H1_TYPE_CTRL;
997 chan->header1.len = htole16(
998 sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header));
1000 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start);
1001 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL);
1002 chan->header2.flags = 0;
1004 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1);
1005 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2);
1006 chan->freq6 = sc->sc_eeprom_freq6[channel];
1007 chan->settings = sc->sc_eeprom_freq6_settings;
1008 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3;
1010 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data,
1011 sizeof(chan->freq3_1));
1012 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel],
1013 sizeof(sc->sc_eeprom_freq4[channel]));
1014 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data,
1015 sizeof(chan->freq3_2));
1017 data_cmd->buflen = sizeof(*mem) + sizeof(*chan);
1019 mem->chksum = upgt_chksum_le((uint32_t *)chan,
1020 data_cmd->buflen - sizeof(*mem));
1022 upgt_bulk_tx(sc, data_cmd);
1025 static struct ieee80211vap *
1026 upgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
1027 enum ieee80211_opmode opmode, int flags,
1028 const uint8_t bssid[IEEE80211_ADDR_LEN],
1029 const uint8_t mac[IEEE80211_ADDR_LEN])
1031 struct upgt_vap *uvp;
1032 struct ieee80211vap *vap;
1034 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
1036 uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap),
1037 M_80211_VAP, M_NOWAIT | M_ZERO);
1041 /* enable s/w bmiss handling for sta mode */
1043 if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
1044 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) {
1046 free(uvp, M_80211_VAP);
1050 /* override state transition machine */
1051 uvp->newstate = vap->iv_newstate;
1052 vap->iv_newstate = upgt_newstate;
1054 /* setup device rates */
1055 upgt_setup_rates(vap, ic);
1057 /* complete setup */
1058 ieee80211_vap_attach(vap, ieee80211_media_change,
1059 ieee80211_media_status);
1060 ic->ic_opmode = opmode;
1065 upgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1067 struct upgt_vap *uvp = UPGT_VAP(vap);
1068 struct ieee80211com *ic = vap->iv_ic;
1069 struct upgt_softc *sc = ic->ic_ifp->if_softc;
1071 /* do it in a process context */
1072 sc->sc_state = nstate;
1074 IEEE80211_UNLOCK(ic);
1076 callout_stop(&sc->sc_led_ch);
1077 callout_stop(&sc->sc_watchdog_ch);
1080 case IEEE80211_S_INIT:
1081 /* do not accept any frames if the device is down */
1082 (void)upgt_set_macfilter(sc, sc->sc_state);
1083 upgt_set_led(sc, UPGT_LED_OFF);
1085 case IEEE80211_S_SCAN:
1086 upgt_set_chan(sc, ic->ic_curchan);
1088 case IEEE80211_S_AUTH:
1089 upgt_set_chan(sc, ic->ic_curchan);
1091 case IEEE80211_S_ASSOC:
1093 case IEEE80211_S_RUN:
1094 upgt_set_macfilter(sc, sc->sc_state);
1095 upgt_set_led(sc, UPGT_LED_ON);
1102 return (uvp->newstate(vap, nstate, arg));
1106 upgt_vap_delete(struct ieee80211vap *vap)
1108 struct upgt_vap *uvp = UPGT_VAP(vap);
1110 ieee80211_vap_detach(vap);
1111 free(uvp, M_80211_VAP);
1115 upgt_update_mcast(struct ifnet *ifp)
1117 struct upgt_softc *sc = ifp->if_softc;
1123 upgt_eeprom_parse(struct upgt_softc *sc)
1125 struct upgt_eeprom_header *eeprom_header;
1126 struct upgt_eeprom_option *eeprom_option;
1127 uint16_t option_len;
1128 uint16_t option_type;
1129 uint16_t preamble_len;
1132 /* calculate eeprom options start offset */
1133 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom;
1134 preamble_len = le16toh(eeprom_header->preamble_len);
1135 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom +
1136 (sizeof(struct upgt_eeprom_header) + preamble_len));
1138 while (!option_end) {
1141 if (eeprom_option >= (struct upgt_eeprom_option *)
1142 (sc->sc_eeprom + UPGT_EEPROM_SIZE)) {
1146 /* the eeprom option length is stored in words */
1148 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t);
1150 le16toh(eeprom_option->type);
1153 if (option_len == 0 || option_len >= UPGT_EEPROM_SIZE)
1156 switch (option_type) {
1157 case UPGT_EEPROM_TYPE_NAME:
1158 DPRINTF(sc, UPGT_DEBUG_FW,
1159 "EEPROM name len=%d\n", option_len);
1161 case UPGT_EEPROM_TYPE_SERIAL:
1162 DPRINTF(sc, UPGT_DEBUG_FW,
1163 "EEPROM serial len=%d\n", option_len);
1165 case UPGT_EEPROM_TYPE_MAC:
1166 DPRINTF(sc, UPGT_DEBUG_FW,
1167 "EEPROM mac len=%d\n", option_len);
1169 IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data);
1171 case UPGT_EEPROM_TYPE_HWRX:
1172 DPRINTF(sc, UPGT_DEBUG_FW,
1173 "EEPROM hwrx len=%d\n", option_len);
1175 upgt_eeprom_parse_hwrx(sc, eeprom_option->data);
1177 case UPGT_EEPROM_TYPE_CHIP:
1178 DPRINTF(sc, UPGT_DEBUG_FW,
1179 "EEPROM chip len=%d\n", option_len);
1181 case UPGT_EEPROM_TYPE_FREQ3:
1182 DPRINTF(sc, UPGT_DEBUG_FW,
1183 "EEPROM freq3 len=%d\n", option_len);
1185 upgt_eeprom_parse_freq3(sc, eeprom_option->data,
1188 case UPGT_EEPROM_TYPE_FREQ4:
1189 DPRINTF(sc, UPGT_DEBUG_FW,
1190 "EEPROM freq4 len=%d\n", option_len);
1192 upgt_eeprom_parse_freq4(sc, eeprom_option->data,
1195 case UPGT_EEPROM_TYPE_FREQ5:
1196 DPRINTF(sc, UPGT_DEBUG_FW,
1197 "EEPROM freq5 len=%d\n", option_len);
1199 case UPGT_EEPROM_TYPE_FREQ6:
1200 DPRINTF(sc, UPGT_DEBUG_FW,
1201 "EEPROM freq6 len=%d\n", option_len);
1203 upgt_eeprom_parse_freq6(sc, eeprom_option->data,
1206 case UPGT_EEPROM_TYPE_END:
1207 DPRINTF(sc, UPGT_DEBUG_FW,
1208 "EEPROM end len=%d\n", option_len);
1211 case UPGT_EEPROM_TYPE_OFF:
1212 DPRINTF(sc, UPGT_DEBUG_FW,
1213 "%s: EEPROM off without end option\n", __func__);
1216 DPRINTF(sc, UPGT_DEBUG_FW,
1217 "EEPROM unknown type 0x%04x len=%d\n",
1218 option_type, option_len);
1222 /* jump to next EEPROM option */
1223 eeprom_option = (struct upgt_eeprom_option *)
1224 (eeprom_option->data + option_len);
1230 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len)
1232 struct upgt_eeprom_freq3_header *freq3_header;
1233 struct upgt_lmac_freq3 *freq3;
1239 freq3_header = (struct upgt_eeprom_freq3_header *)data;
1240 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1);
1242 flags = freq3_header->flags;
1243 elements = freq3_header->elements;
1245 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n",
1248 if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq3[0])))
1251 for (i = 0; i < elements; i++) {
1252 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0);
1253 if (channel >= IEEE80211_CHAN_MAX)
1256 sc->sc_eeprom_freq3[channel] = freq3[i];
1258 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1259 le16toh(sc->sc_eeprom_freq3[channel].freq), channel);
1264 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len)
1266 struct upgt_eeprom_freq4_header *freq4_header;
1267 struct upgt_eeprom_freq4_1 *freq4_1;
1268 struct upgt_eeprom_freq4_2 *freq4_2;
1276 freq4_header = (struct upgt_eeprom_freq4_header *)data;
1277 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1);
1278 flags = freq4_header->flags;
1279 elements = freq4_header->elements;
1280 settings = freq4_header->settings;
1282 /* we need this value later */
1283 sc->sc_eeprom_freq6_settings = freq4_header->settings;
1285 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n",
1286 flags, elements, settings);
1288 if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq4_1[0])))
1291 for (i = 0; i < elements; i++) {
1292 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0);
1293 if (channel >= IEEE80211_CHAN_MAX)
1296 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data;
1297 for (j = 0; j < settings; j++) {
1298 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j];
1299 sc->sc_eeprom_freq4[channel][j].pad = 0;
1302 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1303 le16toh(freq4_1[i].freq), channel);
1308 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len)
1310 struct upgt_lmac_freq6 *freq6;
1315 freq6 = (struct upgt_lmac_freq6 *)data;
1316 elements = len / sizeof(struct upgt_lmac_freq6);
1318 DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements);
1320 if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq6[0])))
1323 for (i = 0; i < elements; i++) {
1324 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0);
1325 if (channel >= IEEE80211_CHAN_MAX)
1328 sc->sc_eeprom_freq6[channel] = freq6[i];
1330 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
1331 le16toh(sc->sc_eeprom_freq6[channel].freq), channel);
1336 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data)
1338 struct upgt_eeprom_option_hwrx *option_hwrx;
1340 option_hwrx = (struct upgt_eeprom_option_hwrx *)data;
1342 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST;
1344 DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n",
1345 sc->sc_eeprom_hwrx);
1349 upgt_eeprom_read(struct upgt_softc *sc)
1351 struct upgt_data *data_cmd;
1352 struct upgt_lmac_mem *mem;
1353 struct upgt_lmac_eeprom *eeprom;
1354 int block, error, offset;
1357 usb_pause_mtx(&sc->sc_mtx, 100);
1360 block = UPGT_EEPROM_BLOCK_SIZE;
1361 while (offset < UPGT_EEPROM_SIZE) {
1362 DPRINTF(sc, UPGT_DEBUG_FW,
1363 "request EEPROM block (offset=%d, len=%d)\n", offset, block);
1365 data_cmd = upgt_getbuf(sc);
1366 if (data_cmd == NULL) {
1372 * Transmit the URB containing the CMD data.
1374 memset(data_cmd->buf, 0, MCLBYTES);
1376 mem = (struct upgt_lmac_mem *)data_cmd->buf;
1377 mem->addr = htole32(sc->sc_memaddr_frame_start +
1378 UPGT_MEMSIZE_FRAME_HEAD);
1380 eeprom = (struct upgt_lmac_eeprom *)(mem + 1);
1381 eeprom->header1.flags = 0;
1382 eeprom->header1.type = UPGT_H1_TYPE_CTRL;
1383 eeprom->header1.len = htole16((
1384 sizeof(struct upgt_lmac_eeprom) -
1385 sizeof(struct upgt_lmac_header)) + block);
1387 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start);
1388 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM);
1389 eeprom->header2.flags = 0;
1391 eeprom->offset = htole16(offset);
1392 eeprom->len = htole16(block);
1394 data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block;
1396 mem->chksum = upgt_chksum_le((uint32_t *)eeprom,
1397 data_cmd->buflen - sizeof(*mem));
1398 upgt_bulk_tx(sc, data_cmd);
1400 error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz);
1402 device_printf(sc->sc_dev,
1403 "timeout while waiting for EEPROM data\n");
1409 if (UPGT_EEPROM_SIZE - offset < block)
1410 block = UPGT_EEPROM_SIZE - offset;
1418 * When a rx data came in the function returns a mbuf and a rssi values.
1420 static struct mbuf *
1421 upgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi)
1423 struct mbuf *m = NULL;
1424 struct upgt_softc *sc = usbd_xfer_softc(xfer);
1425 struct upgt_lmac_header *header;
1426 struct upgt_lmac_eeprom *eeprom;
1431 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
1433 UPGT_ASSERT_LOCKED(sc);
1438 /* Check only at the very beginning. */
1439 if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) &&
1440 (memcmp(data->buf, "OK", 2) == 0)) {
1441 sc->sc_flags |= UPGT_FLAG_FWLOADED;
1446 if (actlen < (int)UPGT_RX_MINSZ)
1450 * Check what type of frame came in.
1452 header = (struct upgt_lmac_header *)(data->buf + 4);
1454 h1_type = header->header1.type;
1455 h2_type = le16toh(header->header2.type);
1457 if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) {
1458 eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4);
1459 uint16_t eeprom_offset = le16toh(eeprom->offset);
1460 uint16_t eeprom_len = le16toh(eeprom->len);
1462 DPRINTF(sc, UPGT_DEBUG_FW,
1463 "received EEPROM block (offset=%d, len=%d)\n",
1464 eeprom_offset, eeprom_len);
1466 memcpy(sc->sc_eeprom + eeprom_offset,
1467 data->buf + sizeof(struct upgt_lmac_eeprom) + 4,
1470 /* EEPROM data has arrived in time, wakeup. */
1472 } else if (h1_type == UPGT_H1_TYPE_CTRL &&
1473 h2_type == UPGT_H2_TYPE_TX_DONE) {
1474 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n",
1476 upgt_tx_done(sc, data->buf + 4);
1477 } else if (h1_type == UPGT_H1_TYPE_RX_DATA ||
1478 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) {
1479 DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n",
1481 m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len),
1483 } else if (h1_type == UPGT_H1_TYPE_CTRL &&
1484 h2_type == UPGT_H2_TYPE_STATS) {
1485 DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n",
1487 /* TODO: what could we do with the statistic data? */
1489 /* ignore unknown frame types */
1490 DPRINTF(sc, UPGT_DEBUG_INTR,
1491 "received unknown frame type 0x%02x\n",
1492 header->header1.type);
1498 * The firmware awaits a checksum for each frame we send to it.
1499 * The algorithm used therefor is uncommon but somehow similar to CRC32.
1502 upgt_chksum_le(const uint32_t *buf, size_t size)
1507 for (i = 0; i < size; i += sizeof(uint32_t)) {
1508 crc = htole32(crc ^ *buf++);
1509 crc = htole32((crc >> 5) ^ (crc << 3));
1515 static struct mbuf *
1516 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi)
1518 struct ifnet *ifp = sc->sc_ifp;
1519 struct ieee80211com *ic = ifp->if_l2com;
1520 struct upgt_lmac_rx_desc *rxdesc;
1524 * don't pass packets to the ieee80211 framework if the driver isn't
1527 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1530 /* access RX packet descriptor */
1531 rxdesc = (struct upgt_lmac_rx_desc *)data;
1533 /* create mbuf which is suitable for strict alignment archs */
1534 KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES,
1535 ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN));
1536 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
1538 device_printf(sc->sc_dev, "could not create RX mbuf\n");
1541 m_adj(m, ETHER_ALIGN);
1542 memcpy(mtod(m, char *), rxdesc->data, pkglen);
1544 m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN;
1545 m->m_pkthdr.rcvif = ifp;
1547 if (ieee80211_radiotap_active(ic)) {
1548 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap;
1551 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate);
1552 tap->wr_antsignal = rxdesc->rssi;
1556 DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__);
1557 *rssi = rxdesc->rssi;
1562 upgt_rx_rate(struct upgt_softc *sc, const int rate)
1564 struct ifnet *ifp = sc->sc_ifp;
1565 struct ieee80211com *ic = ifp->if_l2com;
1566 static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 };
1567 static const uint8_t ofdm_upgt2rate[12] =
1568 { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 };
1570 if (ic->ic_curmode == IEEE80211_MODE_11B &&
1571 !(rate < 0 || rate > 3))
1572 return cck_upgt2rate[rate & 0xf];
1574 if (ic->ic_curmode == IEEE80211_MODE_11G &&
1575 !(rate < 0 || rate > 11))
1576 return ofdm_upgt2rate[rate & 0xf];
1582 upgt_tx_done(struct upgt_softc *sc, uint8_t *data)
1584 struct ifnet *ifp = sc->sc_ifp;
1585 struct upgt_lmac_tx_done_desc *desc;
1588 UPGT_ASSERT_LOCKED(sc);
1590 desc = (struct upgt_lmac_tx_done_desc *)data;
1592 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
1593 struct upgt_data *data_tx = &sc->sc_tx_data[i];
1595 if (data_tx->addr == le32toh(desc->header2.reqid)) {
1596 upgt_mem_free(sc, data_tx->addr);
1601 DPRINTF(sc, UPGT_DEBUG_TX_PROC,
1602 "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ",
1603 le32toh(desc->header2.reqid),
1604 le16toh(desc->status), le16toh(desc->rssi));
1605 DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n",
1606 le16toh(desc->seq));
1613 sc->sc_tx_timer = 0;
1614 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1622 upgt_mem_free(struct upgt_softc *sc, uint32_t addr)
1626 for (i = 0; i < sc->sc_memory.pages; i++) {
1627 if (sc->sc_memory.page[i].addr == addr) {
1628 sc->sc_memory.page[i].used = 0;
1633 device_printf(sc->sc_dev,
1634 "could not free memory address 0x%08x\n", addr);
1638 upgt_fw_load(struct upgt_softc *sc)
1640 const struct firmware *fw;
1641 struct upgt_data *data_cmd;
1642 struct upgt_fw_x2_header *x2;
1643 char start_fwload_cmd[] = { 0x3c, 0x0d };
1650 fw = firmware_get(upgt_fwname);
1652 device_printf(sc->sc_dev, "could not read microcode %s\n",
1659 /* send firmware start load command */
1660 data_cmd = upgt_getbuf(sc);
1661 if (data_cmd == NULL) {
1665 data_cmd->buflen = sizeof(start_fwload_cmd);
1666 memcpy(data_cmd->buf, start_fwload_cmd, data_cmd->buflen);
1667 upgt_bulk_tx(sc, data_cmd);
1669 /* send X2 header */
1670 data_cmd = upgt_getbuf(sc);
1671 if (data_cmd == NULL) {
1675 data_cmd->buflen = sizeof(struct upgt_fw_x2_header);
1676 x2 = (struct upgt_fw_x2_header *)data_cmd->buf;
1677 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE);
1678 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START);
1679 x2->len = htole32(fw->datasize);
1680 x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf +
1681 UPGT_X2_SIGNATURE_SIZE,
1682 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE -
1684 upgt_bulk_tx(sc, data_cmd);
1686 /* download firmware */
1687 for (offset = 0; offset < fw->datasize; offset += bsize) {
1688 if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE)
1689 bsize = UPGT_FW_BLOCK_SIZE;
1691 bsize = fw->datasize - offset;
1693 data_cmd = upgt_getbuf(sc);
1694 if (data_cmd == NULL) {
1698 n = upgt_fw_copy((const uint8_t *)fw->data + offset,
1699 data_cmd->buf, bsize);
1700 data_cmd->buflen = bsize;
1701 upgt_bulk_tx(sc, data_cmd);
1703 DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%zu, read=%d, sent=%d\n",
1707 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__);
1710 data_cmd = upgt_getbuf(sc);
1711 if (data_cmd == NULL) {
1715 crc32 = upgt_crc32_le(fw->data, fw->datasize);
1716 *((uint32_t *)(data_cmd->buf) ) = crc32;
1717 *((uint8_t *)(data_cmd->buf) + 4) = 'g';
1718 *((uint8_t *)(data_cmd->buf) + 5) = '\r';
1719 data_cmd->buflen = 6;
1720 upgt_bulk_tx(sc, data_cmd);
1722 /* waiting 'OK' response. */
1723 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]);
1724 error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz);
1726 device_printf(sc->sc_dev, "firmware load failed\n");
1730 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__);
1733 firmware_put(fw, FIRMWARE_UNLOAD);
1738 upgt_crc32_le(const void *buf, size_t size)
1742 crc = ether_crc32_le(buf, size);
1744 /* apply final XOR value as common for CRC-32 */
1745 crc = htole32(crc ^ 0xffffffffU);
1751 * While copying the version 2 firmware, we need to replace two characters:
1757 upgt_fw_copy(const uint8_t *src, char *dst, int size)
1761 for (i = 0, j = 0; i < size && j < size; i++) {
1786 upgt_mem_init(struct upgt_softc *sc)
1790 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) {
1791 sc->sc_memory.page[i].used = 0;
1795 * The first memory page is always reserved for
1798 sc->sc_memory.page[i].addr =
1799 sc->sc_memaddr_frame_start + MCLBYTES;
1801 sc->sc_memory.page[i].addr =
1802 sc->sc_memory.page[i - 1].addr + MCLBYTES;
1805 if (sc->sc_memory.page[i].addr + MCLBYTES >=
1806 sc->sc_memaddr_frame_end)
1809 DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n",
1810 i, sc->sc_memory.page[i].addr);
1813 sc->sc_memory.pages = i;
1815 DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages);
1820 upgt_fw_verify(struct upgt_softc *sc)
1822 const struct firmware *fw;
1823 const struct upgt_fw_bra_option *bra_opt;
1824 const struct upgt_fw_bra_descr *descr;
1827 uint32_t bra_option_type, bra_option_len;
1832 fw = firmware_get(upgt_fwname);
1834 device_printf(sc->sc_dev, "could not read microcode %s\n",
1840 * Seek to beginning of Boot Record Area (BRA).
1842 for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) {
1843 uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
1847 for (; offset < fw->datasize; offset += sizeof(*uc)) {
1848 uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
1852 if (offset == fw->datasize) {
1853 device_printf(sc->sc_dev,
1854 "firmware Boot Record Area not found\n");
1859 DPRINTF(sc, UPGT_DEBUG_FW,
1860 "firmware Boot Record Area found at offset %zu\n", offset);
1863 * Parse Boot Record Area (BRA) options.
1865 while (offset < fw->datasize && bra_end == 0) {
1866 /* get current BRA option */
1867 p = (const uint8_t *)fw->data + offset;
1868 bra_opt = (const struct upgt_fw_bra_option *)p;
1869 bra_option_type = le32toh(bra_opt->type);
1870 bra_option_len = le32toh(bra_opt->len) * sizeof(*uc);
1872 switch (bra_option_type) {
1873 case UPGT_BRA_TYPE_FW:
1874 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n",
1877 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) {
1878 device_printf(sc->sc_dev,
1879 "wrong UPGT_BRA_TYPE_FW len\n");
1883 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data,
1884 bra_option_len) == 0) {
1885 sc->sc_fw_type = UPGT_FWTYPE_LM86;
1888 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data,
1889 bra_option_len) == 0) {
1890 sc->sc_fw_type = UPGT_FWTYPE_LM87;
1893 device_printf(sc->sc_dev,
1894 "unsupported firmware type\n");
1897 case UPGT_BRA_TYPE_VERSION:
1898 DPRINTF(sc, UPGT_DEBUG_FW,
1899 "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len);
1901 case UPGT_BRA_TYPE_DEPIF:
1902 DPRINTF(sc, UPGT_DEBUG_FW,
1903 "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len);
1905 case UPGT_BRA_TYPE_EXPIF:
1906 DPRINTF(sc, UPGT_DEBUG_FW,
1907 "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len);
1909 case UPGT_BRA_TYPE_DESCR:
1910 DPRINTF(sc, UPGT_DEBUG_FW,
1911 "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len);
1913 descr = (const struct upgt_fw_bra_descr *)bra_opt->data;
1915 sc->sc_memaddr_frame_start =
1916 le32toh(descr->memaddr_space_start);
1917 sc->sc_memaddr_frame_end =
1918 le32toh(descr->memaddr_space_end);
1920 DPRINTF(sc, UPGT_DEBUG_FW,
1921 "memory address space start=0x%08x\n",
1922 sc->sc_memaddr_frame_start);
1923 DPRINTF(sc, UPGT_DEBUG_FW,
1924 "memory address space end=0x%08x\n",
1925 sc->sc_memaddr_frame_end);
1927 case UPGT_BRA_TYPE_END:
1928 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n",
1933 DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n",
1939 /* jump to next BRA option */
1940 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len;
1943 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__);
1945 firmware_put(fw, FIRMWARE_UNLOAD);
1950 upgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data)
1953 UPGT_ASSERT_LOCKED(sc);
1955 STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next);
1956 UPGT_STAT_INC(sc, st_tx_pending);
1957 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]);
1961 upgt_device_reset(struct upgt_softc *sc)
1963 struct upgt_data *data;
1964 char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e };
1968 data = upgt_getbuf(sc);
1973 memcpy(data->buf, init_cmd, sizeof(init_cmd));
1974 data->buflen = sizeof(init_cmd);
1975 upgt_bulk_tx(sc, data);
1976 usb_pause_mtx(&sc->sc_mtx, 100);
1979 DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__);
1984 upgt_alloc_tx(struct upgt_softc *sc)
1988 STAILQ_INIT(&sc->sc_tx_active);
1989 STAILQ_INIT(&sc->sc_tx_inactive);
1990 STAILQ_INIT(&sc->sc_tx_pending);
1992 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
1993 struct upgt_data *data = &sc->sc_tx_data[i];
1994 data->buf = ((uint8_t *)sc->sc_tx_dma_buf) + (i * MCLBYTES);
1995 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
1996 UPGT_STAT_INC(sc, st_tx_inactive);
2003 upgt_alloc_rx(struct upgt_softc *sc)
2007 STAILQ_INIT(&sc->sc_rx_active);
2008 STAILQ_INIT(&sc->sc_rx_inactive);
2010 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
2011 struct upgt_data *data = &sc->sc_rx_data[i];
2012 data->buf = ((uint8_t *)sc->sc_rx_dma_buf) + (i * MCLBYTES);
2013 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2019 upgt_detach(device_t dev)
2021 struct upgt_softc *sc = device_get_softc(dev);
2022 struct ifnet *ifp = sc->sc_ifp;
2023 struct ieee80211com *ic = ifp->if_l2com;
2027 * Prevent further allocations from RX/TX/CMD
2028 * data lists and ioctls
2031 sc->sc_flags |= UPGT_FLAG_DETACHED;
2033 STAILQ_INIT(&sc->sc_tx_active);
2034 STAILQ_INIT(&sc->sc_tx_inactive);
2035 STAILQ_INIT(&sc->sc_tx_pending);
2037 STAILQ_INIT(&sc->sc_rx_active);
2038 STAILQ_INIT(&sc->sc_rx_inactive);
2043 callout_drain(&sc->sc_led_ch);
2044 callout_drain(&sc->sc_watchdog_ch);
2046 /* drain USB transfers */
2047 for (x = 0; x != UPGT_N_XFERS; x++)
2048 usbd_transfer_drain(sc->sc_xfer[x]);
2050 /* free data buffers */
2056 /* free USB transfers and some data buffers */
2057 usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS);
2059 ieee80211_ifdetach(ic);
2061 mtx_destroy(&sc->sc_mtx);
2067 upgt_free_rx(struct upgt_softc *sc)
2071 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
2072 struct upgt_data *data = &sc->sc_rx_data[i];
2080 upgt_free_tx(struct upgt_softc *sc)
2084 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
2085 struct upgt_data *data = &sc->sc_tx_data[i];
2087 if (data->ni != NULL)
2088 ieee80211_free_node(data->ni);
2096 upgt_abort_xfers_locked(struct upgt_softc *sc)
2100 UPGT_ASSERT_LOCKED(sc);
2101 /* abort any pending transfers */
2102 for (i = 0; i < UPGT_N_XFERS; i++)
2103 usbd_transfer_stop(sc->sc_xfer[i]);
2107 upgt_abort_xfers(struct upgt_softc *sc)
2111 upgt_abort_xfers_locked(sc);
2115 #define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \
2116 SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d)
2119 upgt_sysctl_node(struct upgt_softc *sc)
2121 struct sysctl_ctx_list *ctx;
2122 struct sysctl_oid_list *child;
2123 struct sysctl_oid *tree;
2124 struct upgt_stat *stats;
2126 stats = &sc->sc_stat;
2127 ctx = device_get_sysctl_ctx(sc->sc_dev);
2128 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev));
2130 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
2131 NULL, "UPGT statistics");
2132 child = SYSCTL_CHILDREN(tree);
2133 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active",
2134 &stats->st_tx_active, "Active numbers in TX queue");
2135 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive",
2136 &stats->st_tx_inactive, "Inactive numbers in TX queue");
2137 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending",
2138 &stats->st_tx_pending, "Pending numbers in TX queue");
2141 #undef UPGT_SYSCTL_STAT_ADD32
2143 static struct upgt_data *
2144 _upgt_getbuf(struct upgt_softc *sc)
2146 struct upgt_data *bf;
2148 bf = STAILQ_FIRST(&sc->sc_tx_inactive);
2150 STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next);
2151 UPGT_STAT_DEC(sc, st_tx_inactive);
2155 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__,
2156 "out of xmit buffers");
2160 static struct upgt_data *
2161 upgt_getbuf(struct upgt_softc *sc)
2163 struct upgt_data *bf;
2165 UPGT_ASSERT_LOCKED(sc);
2167 bf = _upgt_getbuf(sc);
2169 struct ifnet *ifp = sc->sc_ifp;
2171 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__);
2172 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2178 static struct upgt_data *
2179 upgt_gettxbuf(struct upgt_softc *sc)
2181 struct upgt_data *bf;
2183 UPGT_ASSERT_LOCKED(sc);
2185 bf = upgt_getbuf(sc);
2189 bf->addr = upgt_mem_alloc(sc);
2190 if (bf->addr == 0) {
2191 struct ifnet *ifp = sc->sc_ifp;
2193 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n",
2195 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
2196 UPGT_STAT_INC(sc, st_tx_inactive);
2197 if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE))
2198 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2205 upgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
2206 struct upgt_data *data)
2208 struct ieee80211vap *vap = ni->ni_vap;
2210 struct ieee80211_frame *wh;
2211 struct ieee80211_key *k;
2212 struct ifnet *ifp = sc->sc_ifp;
2213 struct upgt_lmac_mem *mem;
2214 struct upgt_lmac_tx_desc *txdesc;
2216 UPGT_ASSERT_LOCKED(sc);
2218 upgt_set_led(sc, UPGT_LED_BLINK);
2223 wh = mtod(m, struct ieee80211_frame *);
2224 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
2225 k = ieee80211_crypto_encap(ni, m);
2227 device_printf(sc->sc_dev,
2228 "ieee80211_crypto_encap returns NULL.\n");
2233 /* in case packet header moved, reset pointer */
2234 wh = mtod(m, struct ieee80211_frame *);
2237 /* Transmit the URB containing the TX data. */
2238 memset(data->buf, 0, MCLBYTES);
2239 mem = (struct upgt_lmac_mem *)data->buf;
2240 mem->addr = htole32(data->addr);
2241 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1);
2243 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
2244 IEEE80211_FC0_TYPE_MGT) {
2246 txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT;
2247 /* always send mgmt frames at lowest rate (DS1) */
2248 memset(txdesc->rates, 0x10, sizeof(txdesc->rates));
2251 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA;
2252 memcpy(txdesc->rates, sc->sc_cur_rateset, sizeof(txdesc->rates));
2254 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA;
2255 txdesc->header1.len = htole16(m->m_pkthdr.len);
2256 txdesc->header2.reqid = htole32(data->addr);
2257 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES);
2258 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES);
2259 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA);
2260 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE;
2262 if (ieee80211_radiotap_active_vap(vap)) {
2263 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap;
2266 tap->wt_rate = 0; /* XXX where to get from? */
2268 ieee80211_radiotap_tx(vap, m);
2271 /* copy frame below our TX descriptor header */
2272 m_copydata(m, 0, m->m_pkthdr.len,
2273 data->buf + (sizeof(*mem) + sizeof(*txdesc)));
2274 /* calculate frame size */
2275 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len;
2276 /* we need to align the frame to a 4 byte boundary */
2277 len = (len + 3) & ~3;
2278 /* calculate frame checksum */
2279 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem));
2284 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n",
2286 KASSERT(len <= MCLBYTES, ("mbuf is small for saving data"));
2288 upgt_bulk_tx(sc, data);
2291 * If we don't regulary read the device statistics, the RX queue
2292 * will stall. It's strange, but it works, so we keep reading
2293 * the statistics here. *shrug*
2295 if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL))
2302 upgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
2304 struct upgt_softc *sc = usbd_xfer_softc(xfer);
2305 struct ifnet *ifp = sc->sc_ifp;
2306 struct ieee80211com *ic = ifp->if_l2com;
2307 struct ieee80211_frame *wh;
2308 struct ieee80211_node *ni;
2309 struct mbuf *m = NULL;
2310 struct upgt_data *data;
2314 UPGT_ASSERT_LOCKED(sc);
2316 switch (USB_GET_STATE(xfer)) {
2317 case USB_ST_TRANSFERRED:
2318 data = STAILQ_FIRST(&sc->sc_rx_active);
2321 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2322 m = upgt_rxeof(xfer, data, &rssi);
2323 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2327 data = STAILQ_FIRST(&sc->sc_rx_inactive);
2330 STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next);
2331 STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next);
2332 usbd_xfer_set_frame_data(xfer, 0, data->buf, MCLBYTES);
2333 usbd_transfer_submit(xfer);
2336 * To avoid LOR we should unlock our private mutex here to call
2337 * ieee80211_input() because here is at the end of a USB
2338 * callback and safe to unlock.
2342 wh = mtod(m, struct ieee80211_frame *);
2343 ni = ieee80211_find_rxnode(ic,
2344 (struct ieee80211_frame_min *)wh);
2347 (void) ieee80211_input(ni, m, rssi, nf);
2348 /* node is no longer needed */
2349 ieee80211_free_node(ni);
2351 (void) ieee80211_input_all(ic, m, rssi, nf);
2354 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
2355 !IFQ_IS_EMPTY(&ifp->if_snd))
2360 /* needs it to the inactive queue due to a error. */
2361 data = STAILQ_FIRST(&sc->sc_rx_active);
2363 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2364 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2366 if (error != USB_ERR_CANCELLED) {
2367 usbd_xfer_set_stall(xfer);
2376 upgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error)
2378 struct upgt_softc *sc = usbd_xfer_softc(xfer);
2379 struct ifnet *ifp = sc->sc_ifp;
2380 struct upgt_data *data;
2382 UPGT_ASSERT_LOCKED(sc);
2383 switch (USB_GET_STATE(xfer)) {
2384 case USB_ST_TRANSFERRED:
2385 data = STAILQ_FIRST(&sc->sc_tx_active);
2388 STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next);
2389 UPGT_STAT_DEC(sc, st_tx_active);
2390 upgt_txeof(xfer, data);
2391 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
2392 UPGT_STAT_INC(sc, st_tx_inactive);
2396 data = STAILQ_FIRST(&sc->sc_tx_pending);
2398 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n",
2402 STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next);
2403 UPGT_STAT_DEC(sc, st_tx_pending);
2404 STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next);
2405 UPGT_STAT_INC(sc, st_tx_active);
2407 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen);
2408 usbd_transfer_submit(xfer);
2414 data = STAILQ_FIRST(&sc->sc_tx_active);
2417 if (data->ni != NULL) {
2418 ieee80211_free_node(data->ni);
2422 if (error != USB_ERR_CANCELLED) {
2423 usbd_xfer_set_stall(xfer);
2430 static device_method_t upgt_methods[] = {
2431 /* Device interface */
2432 DEVMETHOD(device_probe, upgt_match),
2433 DEVMETHOD(device_attach, upgt_attach),
2434 DEVMETHOD(device_detach, upgt_detach),
2438 static driver_t upgt_driver = {
2440 .methods = upgt_methods,
2441 .size = sizeof(struct upgt_softc)
2444 static devclass_t upgt_devclass;
2446 DRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0);
2447 MODULE_VERSION(if_upgt, 1);
2448 MODULE_DEPEND(if_upgt, usb, 1, 1, 1);
2449 MODULE_DEPEND(if_upgt, wlan, 1, 1, 1);
2450 MODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1);