1 /* $OpenBSD: if_rsu.c,v 1.17 2013/04/15 09:23:01 mglocker Exp $ */
4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include <sys/cdefs.h>
19 __FBSDID("$FreeBSD$");
22 * Driver for Realtek RTL8188SU/RTL8191SU/RTL8192SU.
26 * o hostap / ibss / mesh
27 * o power-save operation
32 #include <sys/param.h>
33 #include <sys/endian.h>
34 #include <sys/sockio.h>
35 #include <sys/malloc.h>
37 #include <sys/kernel.h>
38 #include <sys/socket.h>
39 #include <sys/systm.h>
42 #include <sys/firmware.h>
43 #include <sys/module.h>
47 #include <net/if_var.h>
48 #include <net/if_arp.h>
49 #include <net/if_dl.h>
50 #include <net/if_media.h>
51 #include <net/if_types.h>
53 #include <netinet/in.h>
54 #include <netinet/in_systm.h>
55 #include <netinet/in_var.h>
56 #include <netinet/if_ether.h>
57 #include <netinet/ip.h>
59 #include <net80211/ieee80211_var.h>
60 #include <net80211/ieee80211_regdomain.h>
61 #include <net80211/ieee80211_radiotap.h>
63 #include <dev/usb/usb.h>
64 #include <dev/usb/usbdi.h>
67 #include <dev/rtwn/if_rtwn_ridx.h> /* XXX */
68 #include <dev/usb/wlan/if_rsureg.h>
70 #define RSU_RATE_IS_CCK RTWN_RATE_IS_CCK
73 static int rsu_debug = 0;
74 SYSCTL_NODE(_hw_usb, OID_AUTO, rsu, CTLFLAG_RW, 0, "USB rsu");
75 SYSCTL_INT(_hw_usb_rsu, OID_AUTO, debug, CTLFLAG_RWTUN, &rsu_debug, 0,
77 #define RSU_DPRINTF(_sc, _flg, ...) \
79 if (((_flg) == (RSU_DEBUG_ANY)) || (rsu_debug & (_flg))) \
80 device_printf((_sc)->sc_dev, __VA_ARGS__); \
83 #define RSU_DPRINTF(_sc, _flg, ...)
86 static int rsu_enable_11n = 1;
87 TUNABLE_INT("hw.usb.rsu.enable_11n", &rsu_enable_11n);
89 #define RSU_DEBUG_ANY 0xffffffff
90 #define RSU_DEBUG_TX 0x00000001
91 #define RSU_DEBUG_RX 0x00000002
92 #define RSU_DEBUG_RESET 0x00000004
93 #define RSU_DEBUG_CALIB 0x00000008
94 #define RSU_DEBUG_STATE 0x00000010
95 #define RSU_DEBUG_SCAN 0x00000020
96 #define RSU_DEBUG_FWCMD 0x00000040
97 #define RSU_DEBUG_TXDONE 0x00000080
98 #define RSU_DEBUG_FW 0x00000100
99 #define RSU_DEBUG_FWDBG 0x00000200
100 #define RSU_DEBUG_AMPDU 0x00000400
101 #define RSU_DEBUG_KEY 0x00000800
102 #define RSU_DEBUG_USB 0x00001000
104 static const STRUCT_USB_HOST_ID rsu_devs[] = {
105 #define RSU_HT_NOT_SUPPORTED 0
106 #define RSU_HT_SUPPORTED 1
107 #define RSU_DEV_HT(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \
109 #define RSU_DEV(v,p) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, \
110 RSU_HT_NOT_SUPPORTED) }
111 RSU_DEV(ASUS, RTL8192SU),
112 RSU_DEV(AZUREWAVE, RTL8192SU_4),
113 RSU_DEV(SITECOMEU, WLA1000),
114 RSU_DEV_HT(ACCTON, RTL8192SU),
115 RSU_DEV_HT(ASUS, USBN10),
116 RSU_DEV_HT(AZUREWAVE, RTL8192SU_1),
117 RSU_DEV_HT(AZUREWAVE, RTL8192SU_2),
118 RSU_DEV_HT(AZUREWAVE, RTL8192SU_3),
119 RSU_DEV_HT(AZUREWAVE, RTL8192SU_5),
120 RSU_DEV_HT(BELKIN, RTL8192SU_1),
121 RSU_DEV_HT(BELKIN, RTL8192SU_2),
122 RSU_DEV_HT(BELKIN, RTL8192SU_3),
123 RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_1),
124 RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_2),
125 RSU_DEV_HT(CONCEPTRONIC2, RTL8192SU_3),
126 RSU_DEV_HT(COREGA, RTL8192SU),
127 RSU_DEV_HT(DLINK2, DWA131A1),
128 RSU_DEV_HT(DLINK2, RTL8192SU_1),
129 RSU_DEV_HT(DLINK2, RTL8192SU_2),
130 RSU_DEV_HT(EDIMAX, RTL8192SU_1),
131 RSU_DEV_HT(EDIMAX, RTL8192SU_2),
132 RSU_DEV_HT(EDIMAX, EW7622UMN),
133 RSU_DEV_HT(GUILLEMOT, HWGUN54),
134 RSU_DEV_HT(GUILLEMOT, HWNUM300),
135 RSU_DEV_HT(HAWKING, RTL8192SU_1),
136 RSU_DEV_HT(HAWKING, RTL8192SU_2),
137 RSU_DEV_HT(PLANEX2, GWUSNANO),
138 RSU_DEV_HT(REALTEK, RTL8171),
139 RSU_DEV_HT(REALTEK, RTL8172),
140 RSU_DEV_HT(REALTEK, RTL8173),
141 RSU_DEV_HT(REALTEK, RTL8174),
142 RSU_DEV_HT(REALTEK, RTL8192SU),
143 RSU_DEV_HT(REALTEK, RTL8712),
144 RSU_DEV_HT(REALTEK, RTL8713),
145 RSU_DEV_HT(SENAO, RTL8192SU_1),
146 RSU_DEV_HT(SENAO, RTL8192SU_2),
147 RSU_DEV_HT(SITECOMEU, WL349V1),
148 RSU_DEV_HT(SITECOMEU, WL353),
149 RSU_DEV_HT(SWEEX2, LW154),
150 RSU_DEV_HT(TRENDNET, TEW646UBH),
155 static device_probe_t rsu_match;
156 static device_attach_t rsu_attach;
157 static device_detach_t rsu_detach;
158 static usb_callback_t rsu_bulk_tx_callback_be_bk;
159 static usb_callback_t rsu_bulk_tx_callback_vi_vo;
160 static usb_callback_t rsu_bulk_tx_callback_h2c;
161 static usb_callback_t rsu_bulk_rx_callback;
162 static usb_error_t rsu_do_request(struct rsu_softc *,
163 struct usb_device_request *, void *);
164 static struct ieee80211vap *
165 rsu_vap_create(struct ieee80211com *, const char name[],
166 int, enum ieee80211_opmode, int, const uint8_t bssid[],
167 const uint8_t mac[]);
168 static void rsu_vap_delete(struct ieee80211vap *);
169 static void rsu_scan_start(struct ieee80211com *);
170 static void rsu_scan_end(struct ieee80211com *);
171 static void rsu_getradiocaps(struct ieee80211com *, int, int *,
172 struct ieee80211_channel[]);
173 static void rsu_set_channel(struct ieee80211com *);
174 static void rsu_scan_curchan(struct ieee80211_scan_state *, unsigned long);
175 static void rsu_scan_mindwell(struct ieee80211_scan_state *);
176 static void rsu_update_promisc(struct ieee80211com *);
177 static uint8_t rsu_get_multi_pos(const uint8_t[]);
178 static void rsu_set_multi(struct rsu_softc *);
179 static void rsu_update_mcast(struct ieee80211com *);
180 static int rsu_alloc_rx_list(struct rsu_softc *);
181 static void rsu_free_rx_list(struct rsu_softc *);
182 static int rsu_alloc_tx_list(struct rsu_softc *);
183 static void rsu_free_tx_list(struct rsu_softc *);
184 static void rsu_free_list(struct rsu_softc *, struct rsu_data [], int);
185 static struct rsu_data *_rsu_getbuf(struct rsu_softc *);
186 static struct rsu_data *rsu_getbuf(struct rsu_softc *);
187 static void rsu_freebuf(struct rsu_softc *, struct rsu_data *);
188 static int rsu_write_region_1(struct rsu_softc *, uint16_t, uint8_t *,
190 static void rsu_write_1(struct rsu_softc *, uint16_t, uint8_t);
191 static void rsu_write_2(struct rsu_softc *, uint16_t, uint16_t);
192 static void rsu_write_4(struct rsu_softc *, uint16_t, uint32_t);
193 static int rsu_read_region_1(struct rsu_softc *, uint16_t, uint8_t *,
195 static uint8_t rsu_read_1(struct rsu_softc *, uint16_t);
196 static uint16_t rsu_read_2(struct rsu_softc *, uint16_t);
197 static uint32_t rsu_read_4(struct rsu_softc *, uint16_t);
198 static int rsu_fw_iocmd(struct rsu_softc *, uint32_t);
199 static uint8_t rsu_efuse_read_1(struct rsu_softc *, uint16_t);
200 static int rsu_read_rom(struct rsu_softc *);
201 static int rsu_fw_cmd(struct rsu_softc *, uint8_t, void *, int);
202 static void rsu_calib_task(void *, int);
203 static void rsu_tx_task(void *, int);
204 static void rsu_set_led(struct rsu_softc *, int);
205 static int rsu_monitor_newstate(struct ieee80211vap *,
206 enum ieee80211_state, int);
207 static int rsu_newstate(struct ieee80211vap *, enum ieee80211_state, int);
208 static int rsu_key_alloc(struct ieee80211vap *, struct ieee80211_key *,
209 ieee80211_keyix *, ieee80211_keyix *);
210 static int rsu_process_key(struct ieee80211vap *,
211 const struct ieee80211_key *, int);
212 static int rsu_key_set(struct ieee80211vap *,
213 const struct ieee80211_key *);
214 static int rsu_key_delete(struct ieee80211vap *,
215 const struct ieee80211_key *);
216 static int rsu_cam_read(struct rsu_softc *, uint8_t, uint32_t *);
217 static void rsu_cam_write(struct rsu_softc *, uint8_t, uint32_t);
218 static int rsu_key_check(struct rsu_softc *, ieee80211_keyix, int);
219 static uint8_t rsu_crypto_mode(struct rsu_softc *, u_int, int);
220 static int rsu_set_key_group(struct rsu_softc *,
221 const struct ieee80211_key *);
222 static int rsu_set_key_pair(struct rsu_softc *,
223 const struct ieee80211_key *);
224 static int rsu_reinit_static_keys(struct rsu_softc *);
225 static int rsu_delete_key(struct rsu_softc *sc, ieee80211_keyix);
226 static void rsu_delete_key_pair_cb(void *, int);
227 static int rsu_site_survey(struct rsu_softc *,
228 struct ieee80211_scan_ssid *);
229 static int rsu_join_bss(struct rsu_softc *, struct ieee80211_node *);
230 static int rsu_disconnect(struct rsu_softc *);
231 static int rsu_hwrssi_to_rssi(struct rsu_softc *, int hw_rssi);
232 static void rsu_event_survey(struct rsu_softc *, uint8_t *, int);
233 static void rsu_event_join_bss(struct rsu_softc *, uint8_t *, int);
234 static void rsu_rx_event(struct rsu_softc *, uint8_t, uint8_t *, int);
235 static void rsu_rx_multi_event(struct rsu_softc *, uint8_t *, int);
236 static int8_t rsu_get_rssi(struct rsu_softc *, int, void *);
237 static struct mbuf * rsu_rx_copy_to_mbuf(struct rsu_softc *,
238 struct r92s_rx_stat *, int);
239 static uint32_t rsu_get_tsf_low(struct rsu_softc *);
240 static uint32_t rsu_get_tsf_high(struct rsu_softc *);
241 static struct ieee80211_node * rsu_rx_frame(struct rsu_softc *, struct mbuf *);
242 static struct mbuf * rsu_rx_multi_frame(struct rsu_softc *, uint8_t *, int);
244 rsu_rxeof(struct usb_xfer *, struct rsu_data *);
245 static void rsu_txeof(struct usb_xfer *, struct rsu_data *);
246 static int rsu_raw_xmit(struct ieee80211_node *, struct mbuf *,
247 const struct ieee80211_bpf_params *);
248 static void rsu_rxfilter_init(struct rsu_softc *);
249 static void rsu_rxfilter_set(struct rsu_softc *, uint32_t, uint32_t);
250 static void rsu_rxfilter_refresh(struct rsu_softc *);
251 static int rsu_init(struct rsu_softc *);
252 static int rsu_tx_start(struct rsu_softc *, struct ieee80211_node *,
253 struct mbuf *, struct rsu_data *);
254 static int rsu_transmit(struct ieee80211com *, struct mbuf *);
255 static void rsu_start(struct rsu_softc *);
256 static void _rsu_start(struct rsu_softc *);
257 static int rsu_ioctl_net(struct ieee80211com *, u_long, void *);
258 static void rsu_parent(struct ieee80211com *);
259 static void rsu_stop(struct rsu_softc *);
260 static void rsu_ms_delay(struct rsu_softc *, int);
262 static device_method_t rsu_methods[] = {
263 DEVMETHOD(device_probe, rsu_match),
264 DEVMETHOD(device_attach, rsu_attach),
265 DEVMETHOD(device_detach, rsu_detach),
270 static driver_t rsu_driver = {
272 .methods = rsu_methods,
273 .size = sizeof(struct rsu_softc)
276 static devclass_t rsu_devclass;
278 DRIVER_MODULE(rsu, uhub, rsu_driver, rsu_devclass, NULL, 0);
279 MODULE_DEPEND(rsu, wlan, 1, 1, 1);
280 MODULE_DEPEND(rsu, usb, 1, 1, 1);
281 MODULE_DEPEND(rsu, firmware, 1, 1, 1);
282 MODULE_VERSION(rsu, 1);
283 USB_PNP_HOST_INFO(rsu_devs);
285 static uint8_t rsu_wme_ac_xfer_map[4] = {
286 [WME_AC_BE] = RSU_BULK_TX_BE_BK,
287 [WME_AC_BK] = RSU_BULK_TX_BE_BK,
288 [WME_AC_VI] = RSU_BULK_TX_VI_VO,
289 [WME_AC_VO] = RSU_BULK_TX_VI_VO,
293 #define RSU_H2C_ENDPOINT 3
295 static const struct usb_config rsu_config[RSU_N_TRANSFER] = {
298 .endpoint = UE_ADDR_ANY,
299 .direction = UE_DIR_IN,
300 .bufsize = RSU_RXBUFSZ,
305 .callback = rsu_bulk_rx_callback
307 [RSU_BULK_TX_BE_BK] = {
310 .direction = UE_DIR_OUT,
311 .bufsize = RSU_TXBUFSZ,
315 .force_short_xfer = 1
317 .callback = rsu_bulk_tx_callback_be_bk,
318 .timeout = RSU_TX_TIMEOUT
320 [RSU_BULK_TX_VI_VO] = {
323 .direction = UE_DIR_OUT,
324 .bufsize = RSU_TXBUFSZ,
328 .force_short_xfer = 1
330 .callback = rsu_bulk_tx_callback_vi_vo,
331 .timeout = RSU_TX_TIMEOUT
333 [RSU_BULK_TX_H2C] = {
336 .direction = UE_DIR_OUT,
337 .bufsize = RSU_TXBUFSZ,
343 .callback = rsu_bulk_tx_callback_h2c,
344 .timeout = RSU_TX_TIMEOUT
349 rsu_match(device_t self)
351 struct usb_attach_arg *uaa = device_get_ivars(self);
353 if (uaa->usb_mode != USB_MODE_HOST ||
354 uaa->info.bIfaceIndex != 0 ||
355 uaa->info.bConfigIndex != 0)
358 return (usbd_lookup_id_by_uaa(rsu_devs, sizeof(rsu_devs), uaa));
362 rsu_send_mgmt(struct ieee80211_node *ni, int type, int arg)
369 rsu_update_chw(struct ieee80211com *ic)
375 * notification from net80211 that it'd like to do A-MPDU on the given TID.
377 * Note: this actually hangs traffic at the present moment, so don't use it.
378 * The firmware debug does indiciate it's sending and establishing a TX AMPDU
379 * session, but then no traffic flows.
382 rsu_ampdu_enable(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
385 struct rsu_softc *sc = ni->ni_ic->ic_softc;
386 struct r92s_add_ba_req req;
388 /* Don't enable if it's requested or running */
389 if (IEEE80211_AMPDU_REQUESTED(tap))
391 if (IEEE80211_AMPDU_RUNNING(tap))
394 /* We've decided to send addba; so send it */
395 req.tid = htole32(tap->txa_tid);
397 /* Attempt net80211 state */
398 if (ieee80211_ampdu_tx_request_ext(ni, tap->txa_tid) != 1)
401 /* Send the firmware command */
402 RSU_DPRINTF(sc, RSU_DEBUG_AMPDU, "%s: establishing AMPDU TX for TID %d\n",
407 if (rsu_fw_cmd(sc, R92S_CMD_ADDBA_REQ, &req, sizeof(req)) != 1) {
410 (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 0);
415 /* Mark success; we don't get any further notifications */
416 (void) ieee80211_ampdu_tx_request_active_ext(ni, tap->txa_tid, 1);
418 /* Return 0, we're driving this ourselves */
423 rsu_wme_update(struct ieee80211com *ic)
426 /* Firmware handles this; not our problem */
431 rsu_attach(device_t self)
433 struct usb_attach_arg *uaa = device_get_ivars(self);
434 struct rsu_softc *sc = device_get_softc(self);
435 struct ieee80211com *ic = &sc->sc_ic;
438 struct usb_interface *iface;
441 device_set_usb_desc(self);
442 sc->sc_udev = uaa->device;
444 sc->sc_rx_checksum_enable = 1;
446 sc->sc_ht = !! (USB_GET_DRIVER_INFO(uaa) & RSU_HT_SUPPORTED);
448 /* Get number of endpoints */
449 iface = usbd_get_iface(sc->sc_udev, 0);
450 sc->sc_nendpoints = iface->idesc->bNumEndpoints;
452 /* Endpoints are hard-coded for now, so enforce 4-endpoint only */
453 if (sc->sc_nendpoints != 4) {
454 device_printf(sc->sc_dev,
455 "the driver currently only supports 4-endpoint devices\n");
459 mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
461 RSU_DELKEY_BMAP_LOCK_INIT(sc);
462 TIMEOUT_TASK_INIT(taskqueue_thread, &sc->calib_task, 0,
464 TASK_INIT(&sc->del_key_task, 0, rsu_delete_key_pair_cb, sc);
465 TASK_INIT(&sc->tx_task, 0, rsu_tx_task, sc);
466 mbufq_init(&sc->sc_snd, ifqmaxlen);
468 /* Allocate Tx/Rx buffers. */
469 error = rsu_alloc_rx_list(sc);
471 device_printf(sc->sc_dev, "could not allocate Rx buffers\n");
475 error = rsu_alloc_tx_list(sc);
477 device_printf(sc->sc_dev, "could not allocate Tx buffers\n");
478 rsu_free_rx_list(sc);
483 error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer,
484 rsu_config, RSU_N_TRANSFER, sc, &sc->sc_mtx);
486 device_printf(sc->sc_dev,
487 "could not allocate USB transfers, err=%s\n",
492 /* Read chip revision. */
493 sc->cut = MS(rsu_read_4(sc, R92S_PMC_FSM), R92S_PMC_FSM_CUT);
495 sc->cut = (sc->cut >> 1) + 1;
496 error = rsu_read_rom(sc);
499 device_printf(self, "could not read ROM\n");
503 /* Figure out TX/RX streams */
504 switch (sc->rom[84]) {
506 sc->sc_rftype = RTL8712_RFCONFIG_1T1R;
507 sc->sc_nrxstream = 1;
508 sc->sc_ntxstream = 1;
512 sc->sc_rftype = RTL8712_RFCONFIG_1T2R;
513 sc->sc_nrxstream = 2;
514 sc->sc_ntxstream = 1;
518 sc->sc_rftype = RTL8712_RFCONFIG_2T2R;
519 sc->sc_nrxstream = 2;
520 sc->sc_ntxstream = 2;
523 case 0x3: /* "green" NIC */
524 sc->sc_rftype = RTL8712_RFCONFIG_1T2R;
525 sc->sc_nrxstream = 2;
526 sc->sc_ntxstream = 1;
527 rft = "1T2R ('green')";
530 device_printf(sc->sc_dev,
531 "%s: unknown board type (rfconfig=0x%02x)\n",
537 IEEE80211_ADDR_COPY(ic->ic_macaddr, &sc->rom[0x12]);
538 device_printf(self, "MAC/BB RTL8712 cut %d %s\n", sc->cut, rft);
541 ic->ic_name = device_get_nameunit(self);
542 ic->ic_phytype = IEEE80211_T_OFDM; /* Not only, but not used. */
543 ic->ic_opmode = IEEE80211_M_STA; /* Default to BSS mode. */
545 /* Set device capabilities. */
547 IEEE80211_C_STA | /* station mode */
548 IEEE80211_C_MONITOR | /* monitor mode supported */
550 IEEE80211_C_BGSCAN | /* Background scan. */
552 IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */
553 IEEE80211_C_WME | /* WME/QoS */
554 IEEE80211_C_SHSLOT | /* Short slot time supported. */
555 IEEE80211_C_WPA; /* WPA/RSN. */
558 IEEE80211_CRYPTO_WEP |
559 IEEE80211_CRYPTO_TKIP |
560 IEEE80211_CRYPTO_AES_CCM;
562 /* Check if HT support is present. */
564 device_printf(sc->sc_dev, "%s: enabling 11n\n", __func__);
566 /* Enable basic HT */
567 ic->ic_htcaps = IEEE80211_HTC_HT |
569 IEEE80211_HTC_AMPDU |
571 IEEE80211_HTC_AMSDU |
572 IEEE80211_HTCAP_MAXAMSDU_3839 |
573 IEEE80211_HTCAP_SMPS_OFF;
574 ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40;
576 /* set number of spatial streams */
577 ic->ic_txstream = sc->sc_ntxstream;
578 ic->ic_rxstream = sc->sc_nrxstream;
580 ic->ic_flags_ext |= IEEE80211_FEXT_SCAN_OFFLOAD;
582 rsu_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
585 ieee80211_ifattach(ic);
586 ic->ic_raw_xmit = rsu_raw_xmit;
587 ic->ic_scan_start = rsu_scan_start;
588 ic->ic_scan_end = rsu_scan_end;
589 ic->ic_getradiocaps = rsu_getradiocaps;
590 ic->ic_set_channel = rsu_set_channel;
591 ic->ic_scan_curchan = rsu_scan_curchan;
592 ic->ic_scan_mindwell = rsu_scan_mindwell;
593 ic->ic_vap_create = rsu_vap_create;
594 ic->ic_vap_delete = rsu_vap_delete;
595 ic->ic_update_promisc = rsu_update_promisc;
596 ic->ic_update_mcast = rsu_update_mcast;
597 ic->ic_ioctl = rsu_ioctl_net;
598 ic->ic_parent = rsu_parent;
599 ic->ic_transmit = rsu_transmit;
600 ic->ic_send_mgmt = rsu_send_mgmt;
601 ic->ic_update_chw = rsu_update_chw;
602 ic->ic_ampdu_enable = rsu_ampdu_enable;
603 ic->ic_wme.wme_update = rsu_wme_update;
605 ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr,
606 sizeof(sc->sc_txtap), RSU_TX_RADIOTAP_PRESENT,
607 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
608 RSU_RX_RADIOTAP_PRESENT);
611 ieee80211_announce(ic);
616 usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER);
618 mtx_destroy(&sc->sc_mtx);
623 rsu_detach(device_t self)
625 struct rsu_softc *sc = device_get_softc(self);
626 struct ieee80211com *ic = &sc->sc_ic;
630 usbd_transfer_unsetup(sc->sc_xfer, RSU_N_TRANSFER);
633 * Free buffers /before/ we detach from net80211, else node
634 * references to destroyed vaps will lead to a panic.
636 /* Free Tx/Rx buffers. */
638 rsu_free_tx_list(sc);
639 rsu_free_rx_list(sc);
642 /* Frames are freed; detach from net80211 */
643 ieee80211_ifdetach(ic);
645 taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task);
646 taskqueue_drain(taskqueue_thread, &sc->del_key_task);
647 taskqueue_drain(taskqueue_thread, &sc->tx_task);
649 RSU_DELKEY_BMAP_LOCK_DESTROY(sc);
650 mtx_destroy(&sc->sc_mtx);
656 rsu_do_request(struct rsu_softc *sc, struct usb_device_request *req,
662 RSU_ASSERT_LOCKED(sc);
665 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
666 req, data, 0, NULL, 250 /* ms */);
667 if (err == 0 || err == USB_ERR_NOT_CONFIGURED)
669 RSU_DPRINTF(sc, RSU_DEBUG_USB,
670 "Control request failed, %s (retries left: %d)\n",
671 usbd_errstr(err), ntries);
672 rsu_ms_delay(sc, 10);
678 static struct ieee80211vap *
679 rsu_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
680 enum ieee80211_opmode opmode, int flags,
681 const uint8_t bssid[IEEE80211_ADDR_LEN],
682 const uint8_t mac[IEEE80211_ADDR_LEN])
684 struct rsu_softc *sc = ic->ic_softc;
686 struct ieee80211vap *vap;
689 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
692 uvp = malloc(sizeof(struct rsu_vap), M_80211_VAP, M_WAITOK | M_ZERO);
695 if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
696 flags, bssid) != 0) {
698 free(uvp, M_80211_VAP);
703 ifp->if_capabilities = IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6;
705 if (sc->sc_rx_checksum_enable)
706 ifp->if_capenable |= IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6;
709 /* override state transition machine */
710 uvp->newstate = vap->iv_newstate;
711 if (opmode == IEEE80211_M_MONITOR)
712 vap->iv_newstate = rsu_monitor_newstate;
714 vap->iv_newstate = rsu_newstate;
715 vap->iv_key_alloc = rsu_key_alloc;
716 vap->iv_key_set = rsu_key_set;
717 vap->iv_key_delete = rsu_key_delete;
719 /* Limits from the r92su driver */
720 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16;
721 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
724 ieee80211_vap_attach(vap, ieee80211_media_change,
725 ieee80211_media_status, mac);
726 ic->ic_opmode = opmode;
732 rsu_vap_delete(struct ieee80211vap *vap)
734 struct rsu_vap *uvp = RSU_VAP(vap);
736 ieee80211_vap_detach(vap);
737 free(uvp, M_80211_VAP);
741 rsu_scan_start(struct ieee80211com *ic)
743 struct rsu_softc *sc = ic->ic_softc;
744 struct ieee80211_scan_state *ss = ic->ic_scan;
745 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
748 /* Scanning is done by the firmware. */
750 sc->sc_active_scan = !!(ss->ss_flags & IEEE80211_SCAN_ACTIVE);
751 /* XXX TODO: force awake if in network-sleep? */
752 error = rsu_site_survey(sc, ss->ss_nssid > 0 ? &ss->ss_ssid[0] : NULL);
755 device_printf(sc->sc_dev,
756 "could not send site survey command\n");
757 ieee80211_cancel_scan(vap);
762 rsu_scan_end(struct ieee80211com *ic)
764 /* Nothing to do here. */
768 rsu_getradiocaps(struct ieee80211com *ic,
769 int maxchans, int *nchans, struct ieee80211_channel chans[])
771 struct rsu_softc *sc = ic->ic_softc;
772 uint8_t bands[IEEE80211_MODE_BYTES];
774 /* Set supported .11b and .11g rates. */
775 memset(bands, 0, sizeof(bands));
776 setbit(bands, IEEE80211_MODE_11B);
777 setbit(bands, IEEE80211_MODE_11G);
779 setbit(bands, IEEE80211_MODE_11NG);
780 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans,
781 bands, (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) != 0);
785 rsu_set_channel(struct ieee80211com *ic)
787 struct rsu_softc *sc = ic->ic_softc;
790 * Only need to set the channel in Monitor mode. AP scanning and auth
791 * are already taken care of by their respective firmware commands.
793 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
794 struct r92s_set_channel cmd;
797 cmd.channel = IEEE80211_CHAN2IEEE(ic->ic_curchan);
800 error = rsu_fw_cmd(sc, R92S_CMD_SET_CHANNEL, &cmd,
803 device_printf(sc->sc_dev,
804 "%s: error %d setting channel\n", __func__,
812 rsu_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
814 /* Scan is done in rsu_scan_start(). */
818 * Called by the net80211 framework to indicate
819 * the minimum dwell time has been met, terminate the scan.
820 * We don't actually terminate the scan as the firmware will notify
821 * us when it's finished and we have no way to interrupt it.
824 rsu_scan_mindwell(struct ieee80211_scan_state *ss)
826 /* NB: don't try to abort scan; wait for firmware to finish */
830 rsu_update_promisc(struct ieee80211com *ic)
832 struct rsu_softc *sc = ic->ic_softc;
836 rsu_rxfilter_refresh(sc);
841 * The same as rtwn_get_multi_pos() / rtwn_set_multi().
844 rsu_get_multi_pos(const uint8_t maddr[])
846 uint64_t mask = 0x00004d101df481b4;
847 uint8_t pos = 0x27; /* initial value */
850 for (i = 0; i < IEEE80211_ADDR_LEN; i++)
851 for (j = (i == 0) ? 1 : 0; j < 8; j++)
852 if ((maddr[i] >> j) & 1)
853 pos ^= (mask >> (i * 8 + j - 1));
861 rsu_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
863 uint32_t *mfilt = arg;
866 pos = rsu_get_multi_pos(LLADDR(sdl));
867 mfilt[pos / 32] |= (1 << (pos % 32));
873 rsu_set_multi(struct rsu_softc *sc)
875 struct ieee80211com *ic = &sc->sc_ic;
878 RSU_ASSERT_LOCKED(sc);
880 /* general structure was copied from ath(4). */
881 if (ic->ic_allmulti == 0) {
882 struct ieee80211vap *vap;
885 * Merge multicast addresses to form the hardware filter.
887 mfilt[0] = mfilt[1] = 0;
888 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
889 if_foreach_llmaddr(vap->iv_ifp, rsu_hash_maddr, &mfilt);
891 mfilt[0] = mfilt[1] = ~0;
893 rsu_write_4(sc, R92S_MAR + 0, mfilt[0]);
894 rsu_write_4(sc, R92S_MAR + 4, mfilt[1]);
896 RSU_DPRINTF(sc, RSU_DEBUG_STATE, "%s: MC filter %08x:%08x\n",
897 __func__, mfilt[0], mfilt[1]);
901 rsu_update_mcast(struct ieee80211com *ic)
903 struct rsu_softc *sc = ic->ic_softc;
912 rsu_alloc_list(struct rsu_softc *sc, struct rsu_data data[],
913 int ndata, int maxsz)
917 for (i = 0; i < ndata; i++) {
918 struct rsu_data *dp = &data[i];
921 dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT);
922 if (dp->buf == NULL) {
923 device_printf(sc->sc_dev,
924 "could not allocate buffer\n");
933 rsu_free_list(sc, data, ndata);
938 rsu_alloc_rx_list(struct rsu_softc *sc)
942 error = rsu_alloc_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT,
947 STAILQ_INIT(&sc->sc_rx_active);
948 STAILQ_INIT(&sc->sc_rx_inactive);
950 for (i = 0; i < RSU_RX_LIST_COUNT; i++)
951 STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next);
957 rsu_alloc_tx_list(struct rsu_softc *sc)
961 error = rsu_alloc_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT,
966 STAILQ_INIT(&sc->sc_tx_inactive);
968 for (i = 0; i != RSU_N_TRANSFER; i++) {
969 STAILQ_INIT(&sc->sc_tx_active[i]);
970 STAILQ_INIT(&sc->sc_tx_pending[i]);
973 for (i = 0; i < RSU_TX_LIST_COUNT; i++) {
974 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next);
981 rsu_free_tx_list(struct rsu_softc *sc)
985 /* prevent further allocations from TX list(s) */
986 STAILQ_INIT(&sc->sc_tx_inactive);
988 for (i = 0; i != RSU_N_TRANSFER; i++) {
989 STAILQ_INIT(&sc->sc_tx_active[i]);
990 STAILQ_INIT(&sc->sc_tx_pending[i]);
993 rsu_free_list(sc, sc->sc_tx, RSU_TX_LIST_COUNT);
997 rsu_free_rx_list(struct rsu_softc *sc)
999 /* prevent further allocations from RX list(s) */
1000 STAILQ_INIT(&sc->sc_rx_inactive);
1001 STAILQ_INIT(&sc->sc_rx_active);
1003 rsu_free_list(sc, sc->sc_rx, RSU_RX_LIST_COUNT);
1007 rsu_free_list(struct rsu_softc *sc, struct rsu_data data[], int ndata)
1011 for (i = 0; i < ndata; i++) {
1012 struct rsu_data *dp = &data[i];
1014 if (dp->buf != NULL) {
1015 free(dp->buf, M_USBDEV);
1018 if (dp->ni != NULL) {
1019 ieee80211_free_node(dp->ni);
1025 static struct rsu_data *
1026 _rsu_getbuf(struct rsu_softc *sc)
1028 struct rsu_data *bf;
1030 bf = STAILQ_FIRST(&sc->sc_tx_inactive);
1032 STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next);
1038 static struct rsu_data *
1039 rsu_getbuf(struct rsu_softc *sc)
1041 struct rsu_data *bf;
1043 RSU_ASSERT_LOCKED(sc);
1045 bf = _rsu_getbuf(sc);
1047 RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: no buffers\n", __func__);
1053 rsu_freebuf(struct rsu_softc *sc, struct rsu_data *bf)
1056 RSU_ASSERT_LOCKED(sc);
1057 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, bf, next);
1061 rsu_write_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf,
1064 usb_device_request_t req;
1066 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
1067 req.bRequest = R92S_REQ_REGS;
1068 USETW(req.wValue, addr);
1069 USETW(req.wIndex, 0);
1070 USETW(req.wLength, len);
1072 return (rsu_do_request(sc, &req, buf));
1076 rsu_write_1(struct rsu_softc *sc, uint16_t addr, uint8_t val)
1078 rsu_write_region_1(sc, addr, &val, 1);
1082 rsu_write_2(struct rsu_softc *sc, uint16_t addr, uint16_t val)
1085 rsu_write_region_1(sc, addr, (uint8_t *)&val, 2);
1089 rsu_write_4(struct rsu_softc *sc, uint16_t addr, uint32_t val)
1092 rsu_write_region_1(sc, addr, (uint8_t *)&val, 4);
1096 rsu_read_region_1(struct rsu_softc *sc, uint16_t addr, uint8_t *buf,
1099 usb_device_request_t req;
1101 req.bmRequestType = UT_READ_VENDOR_DEVICE;
1102 req.bRequest = R92S_REQ_REGS;
1103 USETW(req.wValue, addr);
1104 USETW(req.wIndex, 0);
1105 USETW(req.wLength, len);
1107 return (rsu_do_request(sc, &req, buf));
1111 rsu_read_1(struct rsu_softc *sc, uint16_t addr)
1115 if (rsu_read_region_1(sc, addr, &val, 1) != 0)
1121 rsu_read_2(struct rsu_softc *sc, uint16_t addr)
1125 if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 2) != 0)
1127 return (le16toh(val));
1131 rsu_read_4(struct rsu_softc *sc, uint16_t addr)
1135 if (rsu_read_region_1(sc, addr, (uint8_t *)&val, 4) != 0)
1136 return (0xffffffff);
1137 return (le32toh(val));
1141 rsu_fw_iocmd(struct rsu_softc *sc, uint32_t iocmd)
1145 rsu_write_4(sc, R92S_IOCMD_CTRL, iocmd);
1146 rsu_ms_delay(sc, 1);
1147 for (ntries = 0; ntries < 50; ntries++) {
1148 if (rsu_read_4(sc, R92S_IOCMD_CTRL) == 0)
1150 rsu_ms_delay(sc, 1);
1156 rsu_efuse_read_1(struct rsu_softc *sc, uint16_t addr)
1161 reg = rsu_read_4(sc, R92S_EFUSE_CTRL);
1162 reg = RW(reg, R92S_EFUSE_CTRL_ADDR, addr);
1163 reg &= ~R92S_EFUSE_CTRL_VALID;
1164 rsu_write_4(sc, R92S_EFUSE_CTRL, reg);
1165 /* Wait for read operation to complete. */
1166 for (ntries = 0; ntries < 100; ntries++) {
1167 reg = rsu_read_4(sc, R92S_EFUSE_CTRL);
1168 if (reg & R92S_EFUSE_CTRL_VALID)
1169 return (MS(reg, R92S_EFUSE_CTRL_DATA));
1170 rsu_ms_delay(sc, 1);
1172 device_printf(sc->sc_dev,
1173 "could not read efuse byte at address 0x%x\n", addr);
1178 rsu_read_rom(struct rsu_softc *sc)
1180 uint8_t *rom = sc->rom;
1186 /* Make sure that ROM type is eFuse and that autoload succeeded. */
1187 reg = rsu_read_1(sc, R92S_EE_9346CR);
1188 if ((reg & (R92S_9356SEL | R92S_EEPROM_EN)) != R92S_EEPROM_EN)
1191 /* Turn on 2.5V to prevent eFuse leakage. */
1192 reg = rsu_read_1(sc, R92S_EFUSE_TEST + 3);
1193 rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg | 0x80);
1194 rsu_ms_delay(sc, 1);
1195 rsu_write_1(sc, R92S_EFUSE_TEST + 3, reg & ~0x80);
1197 /* Read full ROM image. */
1198 memset(&sc->rom, 0xff, sizeof(sc->rom));
1199 while (addr < 512) {
1200 reg = rsu_efuse_read_1(sc, addr);
1206 for (i = 0; i < 4; i++) {
1209 rom[off * 8 + i * 2 + 0] =
1210 rsu_efuse_read_1(sc, addr);
1212 rom[off * 8 + i * 2 + 1] =
1213 rsu_efuse_read_1(sc, addr);
1218 if (rsu_debug & RSU_DEBUG_RESET) {
1219 /* Dump ROM content. */
1221 for (i = 0; i < sizeof(sc->rom); i++)
1222 printf("%02x:", rom[i]);
1230 rsu_fw_cmd(struct rsu_softc *sc, uint8_t code, void *buf, int len)
1232 const uint8_t which = RSU_H2C_ENDPOINT;
1233 struct rsu_data *data;
1234 struct r92s_tx_desc *txd;
1235 struct r92s_fw_cmd_hdr *cmd;
1239 RSU_ASSERT_LOCKED(sc);
1241 data = rsu_getbuf(sc);
1245 /* Blank the entire payload, just to be safe */
1246 memset(data->buf, '\0', RSU_TXBUFSZ);
1248 /* Round-up command length to a multiple of 8 bytes. */
1249 /* XXX TODO: is this required? */
1250 cmdsz = (len + 7) & ~7;
1252 xferlen = sizeof(*txd) + sizeof(*cmd) + cmdsz;
1253 KASSERT(xferlen <= RSU_TXBUFSZ, ("%s: invalid length", __func__));
1254 memset(data->buf, 0, xferlen);
1256 /* Setup Tx descriptor. */
1257 txd = (struct r92s_tx_desc *)data->buf;
1258 txd->txdw0 = htole32(
1259 SM(R92S_TXDW0_OFFSET, sizeof(*txd)) |
1260 SM(R92S_TXDW0_PKTLEN, sizeof(*cmd) + cmdsz) |
1261 R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG);
1262 txd->txdw1 = htole32(SM(R92S_TXDW1_QSEL, R92S_TXDW1_QSEL_H2C));
1264 /* Setup command header. */
1265 cmd = (struct r92s_fw_cmd_hdr *)&txd[1];
1266 cmd->len = htole16(cmdsz);
1268 cmd->seq = sc->cmd_seq;
1269 sc->cmd_seq = (sc->cmd_seq + 1) & 0x7f;
1271 /* Copy command payload. */
1272 memcpy(&cmd[1], buf, len);
1274 RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FWCMD,
1275 "%s: Tx cmd code=0x%x len=0x%x\n",
1276 __func__, code, cmdsz);
1277 data->buflen = xferlen;
1278 STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next);
1279 usbd_transfer_start(sc->sc_xfer[which]);
1286 rsu_calib_task(void *arg, int pending __unused)
1288 struct rsu_softc *sc = arg;
1293 RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: running calibration task\n",
1298 /* Read WPS PBC status. */
1299 rsu_write_1(sc, R92S_MAC_PINMUX_CTRL,
1300 R92S_GPIOMUX_EN | SM(R92S_GPIOSEL_GPIO, R92S_GPIOSEL_GPIO_JTAG));
1301 rsu_write_1(sc, R92S_GPIO_IO_SEL,
1302 rsu_read_1(sc, R92S_GPIO_IO_SEL) & ~R92S_GPIO_WPS);
1303 reg = rsu_read_1(sc, R92S_GPIO_CTRL);
1304 if (reg != 0xff && (reg & R92S_GPIO_WPS))
1305 RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "WPS PBC is pushed\n");
1307 /* Read current signal level. */
1308 if (rsu_fw_iocmd(sc, 0xf4000001) == 0) {
1309 sc->sc_currssi = rsu_read_4(sc, R92S_IOCMD_DATA);
1310 RSU_DPRINTF(sc, RSU_DEBUG_CALIB, "%s: RSSI=%d (%d)\n",
1311 __func__, sc->sc_currssi,
1312 rsu_hwrssi_to_rssi(sc, sc->sc_currssi));
1314 if (sc->sc_calibrating)
1315 taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task, hz);
1320 rsu_tx_task(void *arg, int pending __unused)
1322 struct rsu_softc *sc = arg;
1329 #define RSU_PWR_UNKNOWN 0x0
1330 #define RSU_PWR_ACTIVE 0x1
1331 #define RSU_PWR_OFF 0x2
1332 #define RSU_PWR_SLEEP 0x3
1335 * Set the current power state.
1337 * The rtlwifi code doesn't do this so aggressively; it
1338 * waits for an idle period after association with
1339 * no traffic before doing this.
1341 * For now - it's on in all states except RUN, and
1342 * in RUN it'll transition to allow sleep.
1345 struct r92s_pwr_cmd {
1348 uint8_t bcn_pass_time;
1352 rsu_set_fw_power_state(struct rsu_softc *sc, int state)
1354 struct r92s_set_pwr_mode cmd;
1355 //struct r92s_pwr_cmd cmd;
1358 RSU_ASSERT_LOCKED(sc);
1360 /* only change state if required */
1361 if (sc->sc_curpwrstate == state)
1364 memset(&cmd, 0, sizeof(cmd));
1367 case RSU_PWR_ACTIVE:
1368 /* Force the hardware awake */
1369 rsu_write_1(sc, R92S_USB_HRPWM,
1370 R92S_USB_HRPWM_PS_ST_ACTIVE | R92S_USB_HRPWM_PS_ALL_ON);
1371 cmd.mode = R92S_PS_MODE_ACTIVE;
1374 cmd.mode = R92S_PS_MODE_DTIM; /* XXX configurable? */
1375 cmd.smart_ps = 1; /* XXX 2 if doing p2p */
1376 cmd.bcn_pass_time = 5; /* in 100mS usb.c, linux/rtlwifi */
1379 cmd.mode = R92S_PS_MODE_RADIOOFF;
1382 device_printf(sc->sc_dev, "%s: unknown ps mode (%d)\n",
1388 RSU_DPRINTF(sc, RSU_DEBUG_RESET,
1389 "%s: setting ps mode to %d (mode %d)\n",
1390 __func__, state, cmd.mode);
1391 error = rsu_fw_cmd(sc, R92S_CMD_SET_PWR_MODE, &cmd, sizeof(cmd));
1393 sc->sc_curpwrstate = state;
1399 rsu_set_led(struct rsu_softc *sc, int on)
1401 rsu_write_1(sc, R92S_LEDCFG,
1402 (rsu_read_1(sc, R92S_LEDCFG) & 0xf0) | (!on << 3));
1406 rsu_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate,
1409 struct ieee80211com *ic = vap->iv_ic;
1410 struct rsu_softc *sc = ic->ic_softc;
1411 struct rsu_vap *uvp = RSU_VAP(vap);
1413 if (vap->iv_state != nstate) {
1414 IEEE80211_UNLOCK(ic);
1418 case IEEE80211_S_INIT:
1419 sc->sc_vap_is_running = 0;
1422 case IEEE80211_S_RUN:
1423 sc->sc_vap_is_running = 1;
1430 rsu_rxfilter_refresh(sc);
1436 return (uvp->newstate(vap, nstate, arg));
1440 rsu_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1442 struct rsu_vap *uvp = RSU_VAP(vap);
1443 struct ieee80211com *ic = vap->iv_ic;
1444 struct rsu_softc *sc = ic->ic_softc;
1445 struct ieee80211_node *ni;
1446 struct ieee80211_rateset *rs;
1447 enum ieee80211_state ostate;
1448 int error, startcal = 0;
1450 ostate = vap->iv_state;
1451 RSU_DPRINTF(sc, RSU_DEBUG_STATE, "%s: %s -> %s\n",
1453 ieee80211_state_name[ostate],
1454 ieee80211_state_name[nstate]);
1456 IEEE80211_UNLOCK(ic);
1457 if (ostate == IEEE80211_S_RUN) {
1459 /* Stop calibration. */
1460 sc->sc_calibrating = 0;
1462 /* Pause Tx for AC queues. */
1463 rsu_write_1(sc, R92S_TXPAUSE, R92S_TXPAUSE_AC);
1464 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10));
1467 taskqueue_drain_timeout(taskqueue_thread, &sc->calib_task);
1468 taskqueue_drain(taskqueue_thread, &sc->tx_task);
1470 /* Disassociate from our current BSS. */
1472 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10));
1474 /* Refresh Rx filter (may be modified by firmware). */
1475 sc->sc_vap_is_running = 0;
1476 rsu_rxfilter_refresh(sc);
1478 /* Reinstall static keys. */
1480 rsu_reinit_static_keys(sc);
1484 case IEEE80211_S_INIT:
1485 (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE);
1487 case IEEE80211_S_AUTH:
1488 ni = ieee80211_ref_node(vap->iv_bss);
1489 (void) rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE);
1490 error = rsu_join_bss(sc, ni);
1491 ieee80211_free_node(ni);
1493 device_printf(sc->sc_dev,
1494 "could not send join command\n");
1497 case IEEE80211_S_RUN:
1498 /* Flush all AC queues. */
1499 rsu_write_1(sc, R92S_TXPAUSE, 0);
1501 ni = ieee80211_ref_node(vap->iv_bss);
1503 /* Indicate highest supported rate. */
1504 ni->ni_txrate = rs->rs_rates[rs->rs_nrates - 1];
1505 (void) rsu_set_fw_power_state(sc, RSU_PWR_SLEEP);
1506 ieee80211_free_node(ni);
1512 if (startcal != 0) {
1513 sc->sc_calibrating = 1;
1514 /* Start periodic calibration. */
1515 taskqueue_enqueue_timeout(taskqueue_thread, &sc->calib_task,
1520 return (uvp->newstate(vap, nstate, arg));
1524 rsu_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
1525 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
1527 struct rsu_softc *sc = vap->iv_ic->ic_softc;
1530 if (&vap->iv_nw_keys[0] <= k &&
1531 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) {
1532 *keyix = ieee80211_crypto_get_key_wepidx(vap, k);
1534 if (vap->iv_opmode != IEEE80211_M_STA) {
1536 /* TODO: obtain keyix from node id */
1538 k->wk_flags |= IEEE80211_KEY_SWCRYPT;
1540 *keyix = R92S_MACID_BSS;
1545 if (isset(sc->keys_bmap, *keyix)) {
1546 device_printf(sc->sc_dev,
1547 "%s: key slot %d is already used!\n",
1552 setbit(sc->keys_bmap, *keyix);
1562 rsu_process_key(struct ieee80211vap *vap, const struct ieee80211_key *k,
1565 struct rsu_softc *sc = vap->iv_ic->ic_softc;
1568 if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
1573 /* Handle group keys. */
1574 if (&vap->iv_nw_keys[0] <= k &&
1575 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]) {
1576 KASSERT(k->wk_keyix < nitems(sc->group_keys),
1577 ("keyix %u > %zu\n", k->wk_keyix, nitems(sc->group_keys)));
1580 sc->group_keys[k->wk_keyix] = (set ? k : NULL);
1581 if (!sc->sc_running) {
1582 /* Static keys will be set during device startup. */
1588 ret = rsu_set_key_group(sc, k);
1590 ret = rsu_delete_key(sc, k->wk_keyix);
1597 /* wait for pending key removal */
1598 taskqueue_drain(taskqueue_thread, &sc->del_key_task);
1601 ret = rsu_set_key_pair(sc, k);
1604 RSU_DELKEY_BMAP_LOCK(sc);
1605 setbit(sc->free_keys_bmap, k->wk_keyix);
1606 RSU_DELKEY_BMAP_UNLOCK(sc);
1608 /* workaround ieee80211_node_delucastkey() locking */
1609 taskqueue_enqueue(taskqueue_thread, &sc->del_key_task);
1610 ret = 0; /* fake success */
1617 rsu_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
1619 return (rsu_process_key(vap, k, 1));
1623 rsu_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
1625 return (rsu_process_key(vap, k, 0));
1629 rsu_cam_read(struct rsu_softc *sc, uint8_t addr, uint32_t *val)
1633 rsu_write_4(sc, R92S_CAMCMD,
1634 R92S_CAMCMD_POLLING | SM(R92S_CAMCMD_ADDR, addr));
1635 for (ntries = 0; ntries < 10; ntries++) {
1636 if (!(rsu_read_4(sc, R92S_CAMCMD) & R92S_CAMCMD_POLLING))
1639 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(1));
1642 device_printf(sc->sc_dev,
1643 "%s: cannot read CAM entry at address %02X\n",
1648 *val = rsu_read_4(sc, R92S_CAMREAD);
1654 rsu_cam_write(struct rsu_softc *sc, uint8_t addr, uint32_t data)
1657 rsu_write_4(sc, R92S_CAMWRITE, data);
1658 rsu_write_4(sc, R92S_CAMCMD,
1659 R92S_CAMCMD_POLLING | R92S_CAMCMD_WRITE |
1660 SM(R92S_CAMCMD_ADDR, addr));
1664 rsu_key_check(struct rsu_softc *sc, ieee80211_keyix keyix, int is_valid)
1669 for (ntries = 0; ntries < 20; ntries++) {
1670 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(1));
1672 error = rsu_cam_read(sc, R92S_CAM_CTL0(keyix), &val);
1674 device_printf(sc->sc_dev,
1675 "%s: cannot check key status!\n", __func__);
1678 if (((val & R92S_CAM_VALID) == 0) ^ is_valid)
1682 device_printf(sc->sc_dev,
1683 "%s: key %d is %s marked as valid, rejecting request\n",
1684 __func__, keyix, is_valid ? "not" : "still");
1692 * Map net80211 cipher to RTL8712 security mode.
1695 rsu_crypto_mode(struct rsu_softc *sc, u_int cipher, int keylen)
1698 case IEEE80211_CIPHER_WEP:
1699 return keylen < 8 ? R92S_KEY_ALGO_WEP40 : R92S_KEY_ALGO_WEP104;
1700 case IEEE80211_CIPHER_TKIP:
1701 return R92S_KEY_ALGO_TKIP;
1702 case IEEE80211_CIPHER_AES_CCM:
1703 return R92S_KEY_ALGO_AES;
1705 device_printf(sc->sc_dev, "unknown cipher %d\n", cipher);
1706 return R92S_KEY_ALGO_INVALID;
1711 rsu_set_key_group(struct rsu_softc *sc, const struct ieee80211_key *k)
1713 struct r92s_fw_cmd_set_key key;
1717 RSU_ASSERT_LOCKED(sc);
1719 /* Map net80211 cipher to HW crypto algorithm. */
1720 algo = rsu_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
1721 if (algo == R92S_KEY_ALGO_INVALID)
1724 memset(&key, 0, sizeof(key));
1726 key.cam_id = k->wk_keyix;
1727 key.grpkey = (k->wk_flags & IEEE80211_KEY_GROUP) != 0;
1728 memcpy(key.key, k->wk_key, MIN(k->wk_keylen, sizeof(key.key)));
1730 RSU_DPRINTF(sc, RSU_DEBUG_KEY | RSU_DEBUG_FWCMD,
1731 "%s: keyix %u, group %u, algo %u/%u, flags %04X, len %u, "
1732 "macaddr %s\n", __func__, key.cam_id, key.grpkey,
1733 k->wk_cipher->ic_cipher, key.algo, k->wk_flags, k->wk_keylen,
1734 ether_sprintf(k->wk_macaddr));
1736 error = rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key));
1738 device_printf(sc->sc_dev,
1739 "%s: cannot send firmware command, error %d\n",
1744 return (rsu_key_check(sc, k->wk_keyix, 1));
1748 rsu_set_key_pair(struct rsu_softc *sc, const struct ieee80211_key *k)
1750 struct r92s_fw_cmd_set_key_mac key;
1754 RSU_ASSERT_LOCKED(sc);
1756 if (!sc->sc_running)
1759 /* Map net80211 cipher to HW crypto algorithm. */
1760 algo = rsu_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
1761 if (algo == R92S_KEY_ALGO_INVALID)
1764 memset(&key, 0, sizeof(key));
1766 memcpy(key.macaddr, k->wk_macaddr, sizeof(key.macaddr));
1767 memcpy(key.key, k->wk_key, MIN(k->wk_keylen, sizeof(key.key)));
1769 RSU_DPRINTF(sc, RSU_DEBUG_KEY | RSU_DEBUG_FWCMD,
1770 "%s: keyix %u, algo %u/%u, flags %04X, len %u, macaddr %s\n",
1771 __func__, k->wk_keyix, k->wk_cipher->ic_cipher, key.algo,
1772 k->wk_flags, k->wk_keylen, ether_sprintf(key.macaddr));
1774 error = rsu_fw_cmd(sc, R92S_CMD_SET_STA_KEY, &key, sizeof(key));
1776 device_printf(sc->sc_dev,
1777 "%s: cannot send firmware command, error %d\n",
1782 return (rsu_key_check(sc, k->wk_keyix, 1));
1786 rsu_reinit_static_keys(struct rsu_softc *sc)
1790 for (i = 0; i < nitems(sc->group_keys); i++) {
1791 if (sc->group_keys[i] != NULL) {
1792 error = rsu_set_key_group(sc, sc->group_keys[i]);
1794 device_printf(sc->sc_dev,
1795 "%s: failed to set static key %d, "
1796 "error %d\n", __func__, i, error);
1806 rsu_delete_key(struct rsu_softc *sc, ieee80211_keyix keyix)
1808 struct r92s_fw_cmd_set_key key;
1812 RSU_ASSERT_LOCKED(sc);
1814 if (!sc->sc_running)
1817 /* check if it was automatically removed by firmware */
1818 error = rsu_cam_read(sc, R92S_CAM_CTL0(keyix), &val);
1819 if (error == 0 && (val & R92S_CAM_VALID) == 0) {
1820 RSU_DPRINTF(sc, RSU_DEBUG_KEY,
1821 "%s: key %u does not exist\n", __func__, keyix);
1822 clrbit(sc->keys_bmap, keyix);
1826 memset(&key, 0, sizeof(key));
1829 RSU_DPRINTF(sc, RSU_DEBUG_KEY | RSU_DEBUG_FWCMD,
1830 "%s: removing key %u\n", __func__, key.cam_id);
1832 error = rsu_fw_cmd(sc, R92S_CMD_SET_KEY, &key, sizeof(key));
1834 device_printf(sc->sc_dev,
1835 "%s: cannot send firmware command, error %d\n",
1840 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(5));
1843 * Clear 'valid' bit manually (cannot be done via firmware command).
1844 * Used for key check + when firmware command cannot be sent.
1847 rsu_cam_write(sc, R92S_CAM_CTL0(keyix), 0);
1849 clrbit(sc->keys_bmap, keyix);
1851 return (rsu_key_check(sc, keyix, 0));
1855 rsu_delete_key_pair_cb(void *arg, int pending __unused)
1857 struct rsu_softc *sc = arg;
1860 RSU_DELKEY_BMAP_LOCK(sc);
1861 for (i = IEEE80211_WEP_NKID; i < R92S_CAM_ENTRY_LIMIT; i++) {
1862 if (isset(sc->free_keys_bmap, i)) {
1863 RSU_DELKEY_BMAP_UNLOCK(sc);
1866 RSU_DPRINTF(sc, RSU_DEBUG_KEY,
1867 "%s: calling rsu_delete_key() with keyix = %d\n",
1869 (void) rsu_delete_key(sc, i);
1872 RSU_DELKEY_BMAP_LOCK(sc);
1873 clrbit(sc->free_keys_bmap, i);
1875 /* bmap can be changed */
1876 i = IEEE80211_WEP_NKID - 1;
1880 RSU_DELKEY_BMAP_UNLOCK(sc);
1884 rsu_site_survey(struct rsu_softc *sc, struct ieee80211_scan_ssid *ssid)
1886 struct r92s_fw_cmd_sitesurvey cmd;
1888 RSU_ASSERT_LOCKED(sc);
1890 memset(&cmd, 0, sizeof(cmd));
1891 /* TODO: passive channels? */
1892 if (sc->sc_active_scan)
1893 cmd.active = htole32(1);
1894 cmd.limit = htole32(48);
1897 sc->sc_extra_scan = 1;
1898 cmd.ssidlen = htole32(ssid->len);
1899 memcpy(cmd.ssid, ssid->ssid, ssid->len);
1902 if (rsu_debug & (RSU_DEBUG_SCAN | RSU_DEBUG_FWCMD)) {
1903 device_printf(sc->sc_dev,
1904 "sending site survey command, active %d",
1905 le32toh(cmd.active));
1908 ieee80211_print_essid(cmd.ssid, le32toh(cmd.ssidlen));
1913 return (rsu_fw_cmd(sc, R92S_CMD_SITE_SURVEY, &cmd, sizeof(cmd)));
1917 rsu_join_bss(struct rsu_softc *sc, struct ieee80211_node *ni)
1919 struct ieee80211com *ic = &sc->sc_ic;
1920 struct ieee80211vap *vap = ni->ni_vap;
1921 struct ndis_wlan_bssid_ex *bss;
1922 struct ndis_802_11_fixed_ies *fixed;
1923 struct r92s_fw_cmd_auth auth;
1924 uint8_t buf[sizeof(*bss) + 128] __aligned(4);
1929 RSU_ASSERT_LOCKED(sc);
1931 /* Let the FW decide the opmode based on the capinfo field. */
1932 opmode = NDIS802_11AUTOUNKNOWN;
1933 RSU_DPRINTF(sc, RSU_DEBUG_RESET,
1934 "%s: setting operating mode to %d\n",
1936 error = rsu_fw_cmd(sc, R92S_CMD_SET_OPMODE, &opmode, sizeof(opmode));
1940 memset(&auth, 0, sizeof(auth));
1941 if (vap->iv_flags & IEEE80211_F_WPA) {
1942 auth.mode = R92S_AUTHMODE_WPA;
1943 auth.dot1x = (ni->ni_authmode == IEEE80211_AUTH_8021X);
1945 auth.mode = R92S_AUTHMODE_OPEN;
1946 RSU_DPRINTF(sc, RSU_DEBUG_RESET,
1947 "%s: setting auth mode to %d\n",
1948 __func__, auth.mode);
1949 error = rsu_fw_cmd(sc, R92S_CMD_SET_AUTH, &auth, sizeof(auth));
1953 memset(buf, 0, sizeof(buf));
1954 bss = (struct ndis_wlan_bssid_ex *)buf;
1955 IEEE80211_ADDR_COPY(bss->macaddr, ni->ni_bssid);
1956 bss->ssid.ssidlen = htole32(ni->ni_esslen);
1957 memcpy(bss->ssid.ssid, ni->ni_essid, ni->ni_esslen);
1958 if (vap->iv_flags & (IEEE80211_F_PRIVACY | IEEE80211_F_WPA))
1959 bss->privacy = htole32(1);
1960 bss->rssi = htole32(ni->ni_avgrssi);
1961 if (ic->ic_curmode == IEEE80211_MODE_11B)
1962 bss->networktype = htole32(NDIS802_11DS);
1964 bss->networktype = htole32(NDIS802_11OFDM24);
1965 bss->config.len = htole32(sizeof(bss->config));
1966 bss->config.bintval = htole32(ni->ni_intval);
1967 bss->config.dsconfig = htole32(ieee80211_chan2ieee(ic, ni->ni_chan));
1968 bss->inframode = htole32(NDIS802_11INFRASTRUCTURE);
1969 /* XXX verify how this is supposed to look! */
1970 memcpy(bss->supprates, ni->ni_rates.rs_rates,
1971 ni->ni_rates.rs_nrates);
1972 /* Write the fixed fields of the beacon frame. */
1973 fixed = (struct ndis_802_11_fixed_ies *)&bss[1];
1974 memcpy(&fixed->tstamp, ni->ni_tstamp.data, 8);
1975 fixed->bintval = htole16(ni->ni_intval);
1976 fixed->capabilities = htole16(ni->ni_capinfo);
1977 /* Write IEs to be included in the association request. */
1978 frm = (uint8_t *)&fixed[1];
1979 frm = ieee80211_add_rsn(frm, vap);
1980 frm = ieee80211_add_wpa(frm, vap);
1981 frm = ieee80211_add_qos(frm, ni);
1982 if ((ic->ic_flags & IEEE80211_F_WME) &&
1983 (ni->ni_ies.wme_ie != NULL))
1984 frm = ieee80211_add_wme_info(frm, &ic->ic_wme);
1985 if (ni->ni_flags & IEEE80211_NODE_HT) {
1986 frm = ieee80211_add_htcap(frm, ni);
1987 frm = ieee80211_add_htinfo(frm, ni);
1989 bss->ieslen = htole32(frm - (uint8_t *)fixed);
1990 bss->len = htole32(((frm - buf) + 3) & ~3);
1991 RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_FWCMD,
1992 "%s: sending join bss command to %s chan %d\n",
1994 ether_sprintf(bss->macaddr), le32toh(bss->config.dsconfig));
1995 return (rsu_fw_cmd(sc, R92S_CMD_JOIN_BSS, buf, sizeof(buf)));
1999 rsu_disconnect(struct rsu_softc *sc)
2001 uint32_t zero = 0; /* :-) */
2003 /* Disassociate from our current BSS. */
2004 RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD,
2005 "%s: sending disconnect command\n", __func__);
2006 return (rsu_fw_cmd(sc, R92S_CMD_DISCONNECT, &zero, sizeof(zero)));
2010 * Map the hardware provided RSSI value to a signal level.
2011 * For the most part it's just something we divide by and cap
2012 * so it doesn't overflow the representation by net80211.
2015 rsu_hwrssi_to_rssi(struct rsu_softc *sc, int hw_rssi)
2027 CTASSERT(MCLBYTES > sizeof(struct ieee80211_frame));
2030 rsu_event_survey(struct rsu_softc *sc, uint8_t *buf, int len)
2032 struct ieee80211com *ic = &sc->sc_ic;
2033 struct ieee80211_frame *wh;
2034 struct ndis_wlan_bssid_ex *bss;
2035 struct ieee80211_rx_stats rxs;
2040 if (__predict_false(len < sizeof(*bss)))
2042 bss = (struct ndis_wlan_bssid_ex *)buf;
2043 ieslen = le32toh(bss->ieslen);
2044 /* range check length of information element */
2045 if (__predict_false(ieslen > (uint32_t)(len - sizeof(*bss))))
2048 RSU_DPRINTF(sc, RSU_DEBUG_SCAN,
2049 "%s: found BSS %s: len=%d chan=%d inframode=%d "
2050 "networktype=%d privacy=%d, RSSI=%d\n",
2052 ether_sprintf(bss->macaddr), ieslen,
2053 le32toh(bss->config.dsconfig), le32toh(bss->inframode),
2054 le32toh(bss->networktype), le32toh(bss->privacy),
2055 le32toh(bss->rssi));
2057 /* Build a fake beacon frame to let net80211 do all the parsing. */
2058 /* XXX TODO: just call the new scan API methods! */
2059 if (__predict_false(ieslen > (size_t)(MCLBYTES - sizeof(*wh))))
2061 pktlen = sizeof(*wh) + ieslen;
2062 m = m_get2(pktlen, M_NOWAIT, MT_DATA, M_PKTHDR);
2063 if (__predict_false(m == NULL))
2065 wh = mtod(m, struct ieee80211_frame *);
2066 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
2067 IEEE80211_FC0_SUBTYPE_BEACON;
2068 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
2069 USETW(wh->i_dur, 0);
2070 IEEE80211_ADDR_COPY(wh->i_addr1, ieee80211broadcastaddr);
2071 IEEE80211_ADDR_COPY(wh->i_addr2, bss->macaddr);
2072 IEEE80211_ADDR_COPY(wh->i_addr3, bss->macaddr);
2073 *(uint16_t *)wh->i_seq = 0;
2074 memcpy(&wh[1], (uint8_t *)&bss[1], ieslen);
2076 /* Finalize mbuf. */
2077 m->m_pkthdr.len = m->m_len = pktlen;
2079 /* Set channel flags for input path */
2080 bzero(&rxs, sizeof(rxs));
2081 rxs.r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
2082 rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
2083 rxs.c_ieee = le32toh(bss->config.dsconfig);
2084 rxs.c_freq = ieee80211_ieee2mhz(rxs.c_ieee, IEEE80211_CHAN_2GHZ);
2085 /* This is a number from 0..100; so let's just divide it down a bit */
2086 rxs.c_rssi = le32toh(bss->rssi) / 2;
2088 if (ieee80211_add_rx_params(m, &rxs) == 0)
2091 /* XXX avoid a LOR */
2093 ieee80211_input_mimo_all(ic, m);
2098 rsu_event_join_bss(struct rsu_softc *sc, uint8_t *buf, int len)
2100 struct ieee80211com *ic = &sc->sc_ic;
2101 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2102 struct ieee80211_node *ni = vap->iv_bss;
2103 struct r92s_event_join_bss *rsp;
2107 if (__predict_false(len < sizeof(*rsp)))
2109 rsp = (struct r92s_event_join_bss *)buf;
2110 res = (int)le32toh(rsp->join_res);
2112 RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD,
2113 "%s: Rx join BSS event len=%d res=%d\n",
2114 __func__, len, res);
2117 * XXX Don't do this; there's likely a better way to tell
2118 * the caller we failed.
2122 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
2127 tmp = le32toh(rsp->associd);
2128 if (tmp >= vap->iv_max_aid) {
2129 RSU_DPRINTF(sc, RSU_DEBUG_ANY, "Assoc ID overflow\n");
2132 RSU_DPRINTF(sc, RSU_DEBUG_STATE | RSU_DEBUG_FWCMD,
2133 "%s: associated with %s associd=%d\n",
2134 __func__, ether_sprintf(rsp->bss.macaddr), tmp);
2135 /* XXX is this required? What's the top two bits for again? */
2136 ni->ni_associd = tmp | 0xc000;
2138 /* Refresh Rx filter (was changed by firmware). */
2139 sc->sc_vap_is_running = 1;
2140 rsu_rxfilter_refresh(sc);
2143 ieee80211_new_state(vap, IEEE80211_S_RUN,
2144 IEEE80211_FC0_SUBTYPE_ASSOC_RESP);
2149 rsu_event_addba_req_report(struct rsu_softc *sc, uint8_t *buf, int len)
2151 struct ieee80211com *ic = &sc->sc_ic;
2152 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2153 struct r92s_add_ba_event *ba = (void *) buf;
2154 struct ieee80211_node *ni;
2156 if (len < sizeof(*ba)) {
2157 device_printf(sc->sc_dev, "%s: short read (%d)\n", __func__, len);
2164 RSU_DPRINTF(sc, RSU_DEBUG_AMPDU, "%s: mac=%s, tid=%d, ssn=%d\n",
2166 ether_sprintf(ba->mac_addr),
2168 (int) le16toh(ba->ssn));
2170 /* XXX do node lookup; this is STA specific */
2172 ni = ieee80211_ref_node(vap->iv_bss);
2173 ieee80211_ampdu_rx_start_ext(ni, ba->tid, le16toh(ba->ssn) >> 4, 32);
2174 ieee80211_free_node(ni);
2178 rsu_rx_event(struct rsu_softc *sc, uint8_t code, uint8_t *buf, int len)
2180 struct ieee80211com *ic = &sc->sc_ic;
2181 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
2183 RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD,
2184 "%s: Rx event code=%d len=%d\n", __func__, code, len);
2186 case R92S_EVT_SURVEY:
2187 rsu_event_survey(sc, buf, len);
2189 case R92S_EVT_SURVEY_DONE:
2190 RSU_DPRINTF(sc, RSU_DEBUG_SCAN,
2191 "%s: %s scan done, found %d BSS\n",
2192 __func__, sc->sc_extra_scan ? "direct" : "broadcast",
2193 le32toh(*(uint32_t *)buf));
2194 if (sc->sc_extra_scan == 1) {
2195 /* Send broadcast probe request. */
2196 sc->sc_extra_scan = 0;
2197 if (vap != NULL && rsu_site_survey(sc, NULL) != 0) {
2199 ieee80211_cancel_scan(vap);
2206 ieee80211_scan_done(vap);
2210 case R92S_EVT_JOIN_BSS:
2211 if (vap->iv_state == IEEE80211_S_AUTH)
2212 rsu_event_join_bss(sc, buf, len);
2214 case R92S_EVT_DEL_STA:
2215 RSU_DPRINTF(sc, RSU_DEBUG_FWCMD | RSU_DEBUG_STATE,
2216 "%s: disassociated from %s\n", __func__,
2217 ether_sprintf(buf));
2218 if (vap->iv_state == IEEE80211_S_RUN &&
2219 IEEE80211_ADDR_EQ(vap->iv_bss->ni_bssid, buf)) {
2221 ieee80211_new_state(vap, IEEE80211_S_SCAN, -1);
2225 case R92S_EVT_WPS_PBC:
2226 RSU_DPRINTF(sc, RSU_DEBUG_RX | RSU_DEBUG_FWCMD,
2227 "%s: WPS PBC pushed.\n", __func__);
2229 case R92S_EVT_FWDBG:
2231 RSU_DPRINTF(sc, RSU_DEBUG_FWDBG, "FWDBG: %s\n", (char *)buf);
2233 case R92S_EVT_ADDBA_REQ_REPORT:
2234 rsu_event_addba_req_report(sc, buf, len);
2237 device_printf(sc->sc_dev, "%s: unhandled code (%d)\n", __func__, code);
2243 rsu_rx_multi_event(struct rsu_softc *sc, uint8_t *buf, int len)
2245 struct r92s_fw_cmd_hdr *cmd;
2248 RSU_DPRINTF(sc, RSU_DEBUG_RX, "%s: Rx events len=%d\n", __func__, len);
2250 /* Skip Rx status. */
2251 buf += sizeof(struct r92s_rx_stat);
2252 len -= sizeof(struct r92s_rx_stat);
2254 /* Process all events. */
2256 /* Check that command header fits. */
2257 if (__predict_false(len < sizeof(*cmd)))
2259 cmd = (struct r92s_fw_cmd_hdr *)buf;
2260 /* Check that command payload fits. */
2261 cmdsz = le16toh(cmd->len);
2262 if (__predict_false(len < sizeof(*cmd) + cmdsz))
2265 /* Process firmware event. */
2266 rsu_rx_event(sc, cmd->code, (uint8_t *)&cmd[1], cmdsz);
2268 if (!(cmd->seq & R92S_FW_CMD_MORE))
2270 buf += sizeof(*cmd) + cmdsz;
2271 len -= sizeof(*cmd) + cmdsz;
2276 rsu_get_rssi(struct rsu_softc *sc, int rate, void *physt)
2278 static const int8_t cckoff[] = { 14, -2, -20, -40 };
2279 struct r92s_rx_phystat *phy;
2280 struct r92s_rx_cck *cck;
2285 cck = (struct r92s_rx_cck *)physt;
2286 rpt = (cck->agc_rpt >> 6) & 0x3;
2287 rssi = cck->agc_rpt & 0x3e;
2288 rssi = cckoff[rpt] - rssi;
2289 } else { /* OFDM/HT. */
2290 phy = (struct r92s_rx_phystat *)physt;
2291 rssi = ((le32toh(phy->phydw1) >> 1) & 0x7f) - 106;
2296 static struct mbuf *
2297 rsu_rx_copy_to_mbuf(struct rsu_softc *sc, struct r92s_rx_stat *stat,
2300 struct ieee80211com *ic = &sc->sc_ic;
2305 rxdw0 = le32toh(stat->rxdw0);
2306 if (__predict_false(rxdw0 & (R92S_RXDW0_CRCERR | R92S_RXDW0_ICVERR))) {
2307 RSU_DPRINTF(sc, RSU_DEBUG_RX,
2308 "%s: RX flags error (%s)\n", __func__,
2309 rxdw0 & R92S_RXDW0_CRCERR ? "CRC" : "ICV");
2313 pktlen = MS(rxdw0, R92S_RXDW0_PKTLEN);
2314 if (__predict_false(pktlen < sizeof (struct ieee80211_frame_ack))) {
2315 RSU_DPRINTF(sc, RSU_DEBUG_RX,
2316 "%s: frame is too short: %d\n", __func__, pktlen);
2320 m = m_get2(totlen, M_NOWAIT, MT_DATA, M_PKTHDR);
2321 if (__predict_false(m == NULL)) {
2322 device_printf(sc->sc_dev,
2323 "%s: could not allocate RX mbuf, totlen %d\n",
2328 /* Finalize mbuf. */
2329 memcpy(mtod(m, uint8_t *), (uint8_t *)stat, totlen);
2330 m->m_pkthdr.len = m->m_len = totlen;
2334 counter_u64_add(ic->ic_ierrors, 1);
2339 rsu_get_tsf_low(struct rsu_softc *sc)
2341 return (rsu_read_4(sc, R92S_TSFTR));
2345 rsu_get_tsf_high(struct rsu_softc *sc)
2347 return (rsu_read_4(sc, R92S_TSFTR + 4));
2350 static struct ieee80211_node *
2351 rsu_rx_frame(struct rsu_softc *sc, struct mbuf *m)
2353 struct ieee80211com *ic = &sc->sc_ic;
2354 struct ieee80211_frame_min *wh;
2355 struct ieee80211_rx_stats rxs;
2356 struct r92s_rx_stat *stat;
2357 uint32_t rxdw0, rxdw3;
2358 uint8_t cipher, rate;
2362 stat = mtod(m, struct r92s_rx_stat *);
2363 rxdw0 = le32toh(stat->rxdw0);
2364 rxdw3 = le32toh(stat->rxdw3);
2366 rate = MS(rxdw3, R92S_RXDW3_RATE);
2367 cipher = MS(rxdw0, R92S_RXDW0_CIPHER);
2368 infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8;
2370 /* Get RSSI from PHY status descriptor if present. */
2371 if (infosz != 0 && (rxdw0 & R92S_RXDW0_PHYST))
2372 rssi = rsu_get_rssi(sc, rate, &stat[1]);
2374 /* Cheat and get the last calibrated RSSI */
2375 rssi = rsu_hwrssi_to_rssi(sc, sc->sc_currssi);
2378 /* Hardware does Rx TCP checksum offload. */
2380 * This flag can be set for some other
2381 * (e.g., EAPOL) frame types, so don't rely on it.
2383 if (rxdw3 & R92S_RXDW3_TCPCHKVALID) {
2384 RSU_DPRINTF(sc, RSU_DEBUG_RX,
2385 "%s: TCP/IP checksums: %schecked / %schecked\n",
2387 (rxdw3 & R92S_RXDW3_TCPCHKRPT) ? "" : "not ",
2388 (rxdw3 & R92S_RXDW3_IPCHKRPT) ? "" : "not ");
2391 * 'IP header checksum valid' bit will not be set if
2392 * the frame was not checked / has incorrect checksum /
2393 * does not have checksum (IPv6).
2395 * NB: if DF bit is not set then frame will not be checked.
2397 if (rxdw3 & R92S_RXDW3_IPCHKRPT) {
2398 m->m_pkthdr.csum_flags = CSUM_IP_CHECKED;
2399 m->m_pkthdr.csum_flags |= CSUM_IP_VALID;
2403 * This is independent of the above check.
2405 if (rxdw3 & R92S_RXDW3_TCPCHKRPT) {
2406 m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
2407 m->m_pkthdr.csum_flags |= CSUM_PSEUDO_HDR;
2408 m->m_pkthdr.csum_data = 0xffff;
2414 /* Set channel flags for input path */
2415 bzero(&rxs, sizeof(rxs));
2418 rxs.r_flags |= IEEE80211_R_NF | IEEE80211_R_RSSI;
2424 rxs.c_rate = ridx2rate[rate];
2425 if (RSU_RATE_IS_CCK(rate))
2426 rxs.c_pktflags |= IEEE80211_RX_F_CCK;
2428 rxs.c_pktflags |= IEEE80211_RX_F_OFDM;
2430 rxs.c_rate = IEEE80211_RATE_MCS | (rate - 12);
2431 rxs.c_pktflags |= IEEE80211_RX_F_HT;
2434 if (ieee80211_radiotap_active(ic)) {
2435 struct rsu_rx_radiotap_header *tap = &sc->sc_rxtap;
2437 /* Map HW rate index to 802.11 rate. */
2438 tap->wr_flags = 0; /* TODO */
2439 tap->wr_tsft = rsu_get_tsf_high(sc);
2440 if (le32toh(stat->tsf_low) > rsu_get_tsf_low(sc))
2442 tap->wr_tsft = (uint64_t)htole32(tap->wr_tsft) << 32;
2443 tap->wr_tsft += stat->tsf_low;
2445 tap->wr_rate = rxs.c_rate;
2446 tap->wr_dbm_antsignal = rssi;
2449 (void) ieee80211_add_rx_params(m, &rxs);
2451 /* Drop descriptor. */
2452 m_adj(m, sizeof(*stat) + infosz);
2453 wh = mtod(m, struct ieee80211_frame_min *);
2454 if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) &&
2455 cipher != R92S_KEY_ALGO_NONE) {
2456 m->m_flags |= M_WEP;
2459 RSU_DPRINTF(sc, RSU_DEBUG_RX,
2460 "%s: Rx frame len %d, rate %d, infosz %d\n",
2461 __func__, m->m_len, rate, infosz);
2463 if (m->m_len >= sizeof(*wh))
2464 return (ieee80211_find_rxnode(ic, wh));
2469 static struct mbuf *
2470 rsu_rx_multi_frame(struct rsu_softc *sc, uint8_t *buf, int len)
2472 struct r92s_rx_stat *stat;
2474 int totlen, pktlen, infosz, npkts;
2475 struct mbuf *m, *m0 = NULL, *prevm = NULL;
2478 * don't pass packets to the ieee80211 framework if the driver isn't
2481 if (!sc->sc_running)
2484 /* Get the number of encapsulated frames. */
2485 stat = (struct r92s_rx_stat *)buf;
2486 npkts = MS(le32toh(stat->rxdw2), R92S_RXDW2_PKTCNT);
2487 RSU_DPRINTF(sc, RSU_DEBUG_RX,
2488 "%s: Rx %d frames in one chunk\n", __func__, npkts);
2490 /* Process all of them. */
2491 while (npkts-- > 0) {
2492 if (__predict_false(len < sizeof(*stat)))
2494 stat = (struct r92s_rx_stat *)buf;
2495 rxdw0 = le32toh(stat->rxdw0);
2497 pktlen = MS(rxdw0, R92S_RXDW0_PKTLEN);
2498 if (__predict_false(pktlen == 0))
2501 infosz = MS(rxdw0, R92S_RXDW0_INFOSZ) * 8;
2503 /* Make sure everything fits in xfer. */
2504 totlen = sizeof(*stat) + infosz + pktlen;
2505 if (__predict_false(totlen > len))
2508 /* Process 802.11 frame. */
2509 m = rsu_rx_copy_to_mbuf(sc, stat, totlen);
2518 /* Next chunk is 128-byte aligned. */
2519 totlen = (totlen + 127) & ~127;
2527 static struct mbuf *
2528 rsu_rxeof(struct usb_xfer *xfer, struct rsu_data *data)
2530 struct rsu_softc *sc = data->sc;
2531 struct ieee80211com *ic = &sc->sc_ic;
2532 struct r92s_rx_stat *stat;
2535 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
2537 if (__predict_false(len < sizeof(*stat))) {
2538 RSU_DPRINTF(sc, RSU_DEBUG_RX, "xfer too short %d\n", len);
2539 counter_u64_add(ic->ic_ierrors, 1);
2542 /* Determine if it is a firmware C2H event or an 802.11 frame. */
2543 stat = (struct r92s_rx_stat *)data->buf;
2544 if ((le32toh(stat->rxdw1) & 0x1ff) == 0x1ff) {
2545 rsu_rx_multi_event(sc, data->buf, len);
2546 /* No packets to process. */
2549 return (rsu_rx_multi_frame(sc, data->buf, len));
2553 rsu_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
2555 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2556 struct ieee80211com *ic = &sc->sc_ic;
2557 struct ieee80211_node *ni;
2558 struct mbuf *m = NULL, *next;
2559 struct rsu_data *data;
2561 RSU_ASSERT_LOCKED(sc);
2563 switch (USB_GET_STATE(xfer)) {
2564 case USB_ST_TRANSFERRED:
2565 data = STAILQ_FIRST(&sc->sc_rx_active);
2568 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2569 m = rsu_rxeof(xfer, data);
2570 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2574 data = STAILQ_FIRST(&sc->sc_rx_inactive);
2576 KASSERT(m == NULL, ("mbuf isn't NULL"));
2579 STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next);
2580 STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next);
2581 usbd_xfer_set_frame_data(xfer, 0, data->buf,
2582 usbd_xfer_max_len(xfer));
2583 usbd_transfer_submit(xfer);
2585 * To avoid LOR we should unlock our private mutex here to call
2586 * ieee80211_input() because here is at the end of a USB
2587 * callback and safe to unlock.
2593 ni = rsu_rx_frame(sc, m);
2597 if (ni->ni_flags & IEEE80211_NODE_HT)
2598 m->m_flags |= M_AMPDU;
2599 (void)ieee80211_input_mimo(ni, m);
2600 ieee80211_free_node(ni);
2602 (void)ieee80211_input_mimo_all(ic, m);
2609 /* needs it to the inactive queue due to a error. */
2610 data = STAILQ_FIRST(&sc->sc_rx_active);
2612 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
2613 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
2615 if (error != USB_ERR_CANCELLED) {
2616 usbd_xfer_set_stall(xfer);
2617 counter_u64_add(ic->ic_ierrors, 1);
2626 rsu_txeof(struct usb_xfer *xfer, struct rsu_data *data)
2629 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2632 RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: called; data=%p\n",
2638 ieee80211_tx_complete(data->ni, data->m, 0);
2645 rsu_bulk_tx_callback_sub(struct usb_xfer *xfer, usb_error_t error,
2648 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2649 struct ieee80211com *ic = &sc->sc_ic;
2650 struct rsu_data *data;
2652 RSU_ASSERT_LOCKED(sc);
2654 switch (USB_GET_STATE(xfer)) {
2655 case USB_ST_TRANSFERRED:
2656 data = STAILQ_FIRST(&sc->sc_tx_active[which]);
2659 RSU_DPRINTF(sc, RSU_DEBUG_TXDONE, "%s: transfer done %p\n",
2661 STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next);
2662 rsu_txeof(xfer, data);
2663 rsu_freebuf(sc, data);
2667 data = STAILQ_FIRST(&sc->sc_tx_pending[which]);
2669 RSU_DPRINTF(sc, RSU_DEBUG_TXDONE,
2670 "%s: empty pending queue sc %p\n", __func__, sc);
2673 STAILQ_REMOVE_HEAD(&sc->sc_tx_pending[which], next);
2674 STAILQ_INSERT_TAIL(&sc->sc_tx_active[which], data, next);
2675 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen);
2676 RSU_DPRINTF(sc, RSU_DEBUG_TXDONE,
2677 "%s: submitting transfer %p\n",
2680 usbd_transfer_submit(xfer);
2683 data = STAILQ_FIRST(&sc->sc_tx_active[which]);
2685 STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next);
2686 rsu_txeof(xfer, data);
2687 rsu_freebuf(sc, data);
2689 counter_u64_add(ic->ic_oerrors, 1);
2691 if (error != USB_ERR_CANCELLED) {
2692 usbd_xfer_set_stall(xfer);
2699 * XXX TODO: if the queue is low, flush out FF TX frames.
2700 * Remember to unlock the driver for now; net80211 doesn't
2706 rsu_bulk_tx_callback_be_bk(struct usb_xfer *xfer, usb_error_t error)
2708 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2710 rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_BE_BK);
2712 /* This kicks the TX taskqueue */
2717 rsu_bulk_tx_callback_vi_vo(struct usb_xfer *xfer, usb_error_t error)
2719 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2721 rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_VI_VO);
2723 /* This kicks the TX taskqueue */
2728 rsu_bulk_tx_callback_h2c(struct usb_xfer *xfer, usb_error_t error)
2730 struct rsu_softc *sc = usbd_xfer_softc(xfer);
2732 rsu_bulk_tx_callback_sub(xfer, error, RSU_BULK_TX_H2C);
2734 /* This kicks the TX taskqueue */
2739 * Transmit the given frame.
2741 * This doesn't free the node or mbuf upon failure.
2744 rsu_tx_start(struct rsu_softc *sc, struct ieee80211_node *ni,
2745 struct mbuf *m0, struct rsu_data *data)
2747 const struct ieee80211_txparam *tp = ni->ni_txparms;
2748 struct ieee80211vap *vap = ni->ni_vap;
2749 struct ieee80211_frame *wh;
2750 struct ieee80211_key *k = NULL;
2751 struct r92s_tx_desc *txd;
2752 uint8_t rate, ridx, type, cipher, qos;
2760 RSU_ASSERT_LOCKED(sc);
2762 wh = mtod(m0, struct ieee80211_frame *);
2763 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
2764 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
2766 RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: data=%p, m=%p\n",
2767 __func__, data, m0);
2769 /* Choose a TX rate index. */
2770 if (type == IEEE80211_FC0_TYPE_MGT ||
2771 type == IEEE80211_FC0_TYPE_CTL ||
2772 (m0->m_flags & M_EAPOL) != 0)
2773 rate = tp->mgmtrate;
2775 rate = tp->mcastrate;
2776 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
2777 rate = tp->ucastrate;
2782 ridx = rate2ridx(rate);
2784 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
2785 k = ieee80211_crypto_encap(ni, m0);
2787 device_printf(sc->sc_dev,
2788 "ieee80211_crypto_encap returns NULL.\n");
2789 /* XXX we don't expect the fragmented frames */
2792 wh = mtod(m0, struct ieee80211_frame *);
2794 /* If we have QoS then use it */
2795 /* XXX TODO: mbuf WME/PRI versus TID? */
2796 if (IEEE80211_QOS_HAS_SEQ(wh)) {
2798 prio = M_WME_GETAC(m0);
2799 which = rsu_wme_ac_xfer_map[prio];
2801 qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
2804 /* XXX TODO: tid=0 for non-qos TID? */
2805 which = rsu_wme_ac_xfer_map[WME_AC_BE];
2811 qid = rsu_ac2qid[prio];
2814 case IEEE80211_FC0_TYPE_CTL:
2815 case IEEE80211_FC0_TYPE_MGT:
2816 which = rsu_wme_ac_xfer_map[WME_AC_VO];
2819 which = rsu_wme_ac_xfer_map[M_WME_GETAC(m0)];
2825 RSU_DPRINTF(sc, RSU_DEBUG_TX, "%s: pri=%d, which=%d, hasqos=%d\n",
2831 /* Fill Tx descriptor. */
2832 txd = (struct r92s_tx_desc *)data->buf;
2833 memset(txd, 0, sizeof(*txd));
2835 txd->txdw0 |= htole32(
2836 SM(R92S_TXDW0_PKTLEN, m0->m_pkthdr.len) |
2837 SM(R92S_TXDW0_OFFSET, sizeof(*txd)) |
2838 R92S_TXDW0_OWN | R92S_TXDW0_FSG | R92S_TXDW0_LSG);
2840 txd->txdw1 |= htole32(
2841 SM(R92S_TXDW1_MACID, R92S_MACID_BSS) | SM(R92S_TXDW1_QSEL, qid));
2843 txd->txdw1 |= htole32(R92S_TXDW1_NONQOS);
2844 if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWENCRYPT)) {
2845 switch (k->wk_cipher->ic_cipher) {
2846 case IEEE80211_CIPHER_WEP:
2847 cipher = R92S_TXDW1_CIPHER_WEP;
2849 case IEEE80211_CIPHER_TKIP:
2850 cipher = R92S_TXDW1_CIPHER_TKIP;
2852 case IEEE80211_CIPHER_AES_CCM:
2853 cipher = R92S_TXDW1_CIPHER_AES;
2856 cipher = R92S_TXDW1_CIPHER_NONE;
2858 txd->txdw1 |= htole32(
2859 SM(R92S_TXDW1_CIPHER, cipher) |
2860 SM(R92S_TXDW1_KEYIDX, k->wk_keyix));
2862 /* XXX todo: set AGGEN bit if appropriate? */
2863 txd->txdw2 |= htole32(R92S_TXDW2_BK);
2865 txd->txdw2 |= htole32(R92S_TXDW2_BMCAST);
2867 if (!ismcast && (!qos || (qos & IEEE80211_QOS_ACKPOLICY) !=
2868 IEEE80211_QOS_ACKPOLICY_NOACK)) {
2869 txd->txdw2 |= htole32(R92S_TXDW2_RTY_LMT_ENA);
2870 txd->txdw2 |= htole32(SM(R92S_TXDW2_RTY_LMT, tp->maxretry));
2873 /* Force mgmt / mcast / ucast rate if needed. */
2875 /* Data rate fallback limit (max). */
2876 txd->txdw5 |= htole32(SM(R92S_TXDW5_DATARATE_FB_LMT, 0x1f));
2877 txd->txdw5 |= htole32(SM(R92S_TXDW5_DATARATE, ridx));
2878 txd->txdw4 |= htole32(R92S_TXDW4_DRVRATE);
2882 * Firmware will use and increment the sequence number for the
2883 * specified priority.
2885 txd->txdw3 |= htole32(SM(R92S_TXDW3_SEQ, prio));
2887 if (ieee80211_radiotap_active_vap(vap)) {
2888 struct rsu_tx_radiotap_header *tap = &sc->sc_txtap;
2891 ieee80211_radiotap_tx(vap, m0);
2894 xferlen = sizeof(*txd) + m0->m_pkthdr.len;
2895 m_copydata(m0, 0, m0->m_pkthdr.len, (caddr_t)&txd[1]);
2897 data->buflen = xferlen;
2900 STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next);
2902 /* start transfer, if any */
2903 usbd_transfer_start(sc->sc_xfer[which]);
2908 rsu_transmit(struct ieee80211com *ic, struct mbuf *m)
2910 struct rsu_softc *sc = ic->ic_softc;
2914 if (!sc->sc_running) {
2920 * XXX TODO: ensure that we treat 'm' as a list of frames
2923 error = mbufq_enqueue(&sc->sc_snd, m);
2925 RSU_DPRINTF(sc, RSU_DEBUG_TX,
2926 "%s: mbufq_enable: failed (%d)\n",
2934 /* This kicks the TX taskqueue */
2941 rsu_drain_mbufq(struct rsu_softc *sc)
2944 struct ieee80211_node *ni;
2946 RSU_ASSERT_LOCKED(sc);
2947 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
2948 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
2949 m->m_pkthdr.rcvif = NULL;
2950 ieee80211_free_node(ni);
2956 _rsu_start(struct rsu_softc *sc)
2958 struct ieee80211_node *ni;
2959 struct rsu_data *bf;
2962 RSU_ASSERT_LOCKED(sc);
2964 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
2965 bf = rsu_getbuf(sc);
2967 RSU_DPRINTF(sc, RSU_DEBUG_TX,
2968 "%s: failed to get buffer\n", __func__);
2969 mbufq_prepend(&sc->sc_snd, m);
2973 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
2974 m->m_pkthdr.rcvif = NULL;
2976 if (rsu_tx_start(sc, ni, m, bf) != 0) {
2977 RSU_DPRINTF(sc, RSU_DEBUG_TX,
2978 "%s: failed to transmit\n", __func__);
2979 if_inc_counter(ni->ni_vap->iv_ifp,
2980 IFCOUNTER_OERRORS, 1);
2981 rsu_freebuf(sc, bf);
2982 ieee80211_free_node(ni);
2990 rsu_start(struct rsu_softc *sc)
2993 taskqueue_enqueue(taskqueue_thread, &sc->tx_task);
2997 rsu_ioctl_net(struct ieee80211com *ic, u_long cmd, void *data)
2999 struct rsu_softc *sc = ic->ic_softc;
3000 struct ifreq *ifr = (struct ifreq *)data;
3007 struct ieee80211vap *vap;
3010 rxmask = ifr->ifr_reqcap & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
3013 /* Both RXCSUM bits must be set (or unset). */
3014 if (sc->sc_rx_checksum_enable &&
3015 rxmask != (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) {
3017 sc->sc_rx_checksum_enable = 0;
3018 rsu_rxfilter_set(sc, R92S_RCR_TCP_OFFLD_EN, 0);
3019 } else if (!sc->sc_rx_checksum_enable && rxmask != 0) {
3020 rxmask = IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6;
3021 sc->sc_rx_checksum_enable = 1;
3022 rsu_rxfilter_set(sc, 0, R92S_RCR_TCP_OFFLD_EN);
3024 /* Nothing to do. */
3030 IEEE80211_LOCK(ic); /* XXX */
3031 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3032 struct ifnet *ifp = vap->iv_ifp;
3034 ifp->if_capenable &=
3035 ~(IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6);
3036 ifp->if_capenable |= rxmask;
3038 IEEE80211_UNLOCK(ic);
3042 error = ENOTTY; /* for net80211 */
3050 rsu_parent(struct ieee80211com *ic)
3052 struct rsu_softc *sc = ic->ic_softc;
3054 if (ic->ic_nrunning > 0) {
3055 if (rsu_init(sc) == 0)
3056 ieee80211_start_all(ic);
3058 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3060 ieee80211_stop(vap);
3067 * Power on sequence for A-cut adapters.
3070 rsu_power_on_acut(struct rsu_softc *sc)
3074 rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53);
3075 rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57);
3077 /* Enable AFE macro block's bandgap and Mbias. */
3078 rsu_write_1(sc, R92S_AFE_MISC,
3079 rsu_read_1(sc, R92S_AFE_MISC) |
3080 R92S_AFE_MISC_BGEN | R92S_AFE_MISC_MBEN);
3081 /* Enable LDOA15 block. */
3082 rsu_write_1(sc, R92S_LDOA15_CTRL,
3083 rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN);
3085 rsu_write_1(sc, R92S_SPS1_CTRL,
3086 rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_LDEN);
3087 rsu_ms_delay(sc, 2000);
3088 /* Enable switch regulator block. */
3089 rsu_write_1(sc, R92S_SPS1_CTRL,
3090 rsu_read_1(sc, R92S_SPS1_CTRL) | R92S_SPS1_SWEN);
3092 rsu_write_4(sc, R92S_SPS1_CTRL, 0x00a7b267);
3094 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1,
3095 rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08);
3097 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3098 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20);
3100 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1,
3101 rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x90);
3103 /* Enable AFE clock. */
3104 rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1,
3105 rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04);
3106 /* Enable AFE PLL macro block. */
3107 rsu_write_1(sc, R92S_AFE_PLL_CTRL,
3108 rsu_read_1(sc, R92S_AFE_PLL_CTRL) | 0x11);
3109 /* Attach AFE PLL to MACTOP/BB. */
3110 rsu_write_1(sc, R92S_SYS_ISO_CTRL,
3111 rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11);
3113 /* Switch to 40MHz clock instead of 80MHz. */
3114 rsu_write_2(sc, R92S_SYS_CLKR,
3115 rsu_read_2(sc, R92S_SYS_CLKR) & ~R92S_SYS_CLKSEL);
3117 /* Enable MAC clock. */
3118 rsu_write_2(sc, R92S_SYS_CLKR,
3119 rsu_read_2(sc, R92S_SYS_CLKR) |
3120 R92S_MAC_CLK_EN | R92S_SYS_CLK_EN);
3122 rsu_write_1(sc, R92S_PMC_FSM, 0x02);
3124 /* Enable digital core and IOREG R/W. */
3125 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3126 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08);
3128 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3129 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80);
3131 /* Switch the control path to firmware. */
3132 reg = rsu_read_2(sc, R92S_SYS_CLKR);
3133 reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL;
3134 rsu_write_2(sc, R92S_SYS_CLKR, reg);
3136 rsu_write_2(sc, R92S_CR, 0x37fc);
3138 /* Fix USB RX FIFO issue. */
3139 rsu_write_1(sc, 0xfe5c,
3140 rsu_read_1(sc, 0xfe5c) | 0x80);
3141 rsu_write_1(sc, 0x00ab,
3142 rsu_read_1(sc, 0x00ab) | 0xc0);
3144 rsu_write_1(sc, R92S_SYS_CLKR,
3145 rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL);
3149 * Power on sequence for B-cut and C-cut adapters.
3152 rsu_power_on_bcut(struct rsu_softc *sc)
3157 /* Prevent eFuse leakage. */
3158 rsu_write_1(sc, 0x37, 0xb0);
3159 rsu_ms_delay(sc, 10);
3160 rsu_write_1(sc, 0x37, 0x30);
3162 /* Switch the control path to hardware. */
3163 reg = rsu_read_2(sc, R92S_SYS_CLKR);
3164 if (reg & R92S_FWHW_SEL) {
3165 rsu_write_2(sc, R92S_SYS_CLKR,
3166 reg & ~(R92S_SWHW_SEL | R92S_FWHW_SEL));
3168 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3169 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) & ~0x8c);
3170 rsu_ms_delay(sc, 1);
3172 rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x53);
3173 rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x57);
3175 reg = rsu_read_1(sc, R92S_AFE_MISC);
3176 rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN);
3177 rsu_write_1(sc, R92S_AFE_MISC, reg | R92S_AFE_MISC_BGEN |
3178 R92S_AFE_MISC_MBEN | R92S_AFE_MISC_I32_EN);
3181 rsu_write_1(sc, R92S_LDOA15_CTRL,
3182 rsu_read_1(sc, R92S_LDOA15_CTRL) | R92S_LDA15_EN);
3184 rsu_write_1(sc, R92S_LDOV12D_CTRL,
3185 rsu_read_1(sc, R92S_LDOV12D_CTRL) | R92S_LDV12_EN);
3187 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1,
3188 rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) | 0x08);
3190 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3191 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x20);
3193 /* Support 64KB IMEM. */
3194 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1,
3195 rsu_read_1(sc, R92S_SYS_ISO_CTRL + 1) & ~0x97);
3197 /* Enable AFE clock. */
3198 rsu_write_1(sc, R92S_AFE_XTAL_CTRL + 1,
3199 rsu_read_1(sc, R92S_AFE_XTAL_CTRL + 1) & ~0x04);
3200 /* Enable AFE PLL macro block. */
3201 reg = rsu_read_1(sc, R92S_AFE_PLL_CTRL);
3202 rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11);
3203 rsu_ms_delay(sc, 1);
3204 rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x51);
3205 rsu_ms_delay(sc, 1);
3206 rsu_write_1(sc, R92S_AFE_PLL_CTRL, reg | 0x11);
3207 rsu_ms_delay(sc, 1);
3209 /* Attach AFE PLL to MACTOP/BB. */
3210 rsu_write_1(sc, R92S_SYS_ISO_CTRL,
3211 rsu_read_1(sc, R92S_SYS_ISO_CTRL) & ~0x11);
3213 /* Switch to 40MHz clock. */
3214 rsu_write_1(sc, R92S_SYS_CLKR, 0x00);
3215 /* Disable CPU clock and 80MHz SSC. */
3216 rsu_write_1(sc, R92S_SYS_CLKR,
3217 rsu_read_1(sc, R92S_SYS_CLKR) | 0xa0);
3218 /* Enable MAC clock. */
3219 rsu_write_2(sc, R92S_SYS_CLKR,
3220 rsu_read_2(sc, R92S_SYS_CLKR) |
3221 R92S_MAC_CLK_EN | R92S_SYS_CLK_EN);
3223 rsu_write_1(sc, R92S_PMC_FSM, 0x02);
3225 /* Enable digital core and IOREG R/W. */
3226 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3227 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x08);
3229 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1,
3230 rsu_read_1(sc, R92S_SYS_FUNC_EN + 1) | 0x80);
3232 /* Switch the control path to firmware. */
3233 reg = rsu_read_2(sc, R92S_SYS_CLKR);
3234 reg = (reg & ~R92S_SWHW_SEL) | R92S_FWHW_SEL;
3235 rsu_write_2(sc, R92S_SYS_CLKR, reg);
3237 rsu_write_2(sc, R92S_CR, 0x37fc);
3239 /* Fix USB RX FIFO issue. */
3240 rsu_write_1(sc, 0xfe5c,
3241 rsu_read_1(sc, 0xfe5c) | 0x80);
3243 rsu_write_1(sc, R92S_SYS_CLKR,
3244 rsu_read_1(sc, R92S_SYS_CLKR) & ~R92S_SYS_CPU_CLKSEL);
3246 rsu_write_1(sc, 0xfe1c, 0x80);
3248 /* Make sure TxDMA is ready to download firmware. */
3249 for (ntries = 0; ntries < 20; ntries++) {
3250 reg = rsu_read_1(sc, R92S_TCR);
3251 if ((reg & (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT)) ==
3252 (R92S_TCR_IMEM_CHK_RPT | R92S_TCR_EMEM_CHK_RPT))
3254 rsu_ms_delay(sc, 1);
3257 RSU_DPRINTF(sc, RSU_DEBUG_RESET | RSU_DEBUG_TX,
3258 "%s: TxDMA is not ready\n",
3261 reg = rsu_read_1(sc, R92S_CR);
3262 rsu_write_1(sc, R92S_CR, reg & ~R92S_CR_TXDMA_EN);
3263 rsu_ms_delay(sc, 1);
3264 rsu_write_1(sc, R92S_CR, reg | R92S_CR_TXDMA_EN);
3269 rsu_power_off(struct rsu_softc *sc)
3272 rsu_write_1(sc, R92S_RF_CTRL, 0x00);
3273 rsu_ms_delay(sc, 5);
3276 /* Switch control path. */
3277 rsu_write_1(sc, R92S_SYS_CLKR + 1, 0x38);
3279 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x70);
3280 rsu_write_1(sc, R92S_PMC_FSM, 0x06);
3281 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 0, 0xf9);
3282 rsu_write_1(sc, R92S_SYS_ISO_CTRL + 1, 0xe8);
3284 /* Disable AFE PLL. */
3285 rsu_write_1(sc, R92S_AFE_PLL_CTRL, 0x00);
3287 rsu_write_1(sc, R92S_LDOA15_CTRL, 0x54);
3288 /* Disable eFuse 1.2V. */
3289 rsu_write_1(sc, R92S_SYS_FUNC_EN + 1, 0x50);
3290 rsu_write_1(sc, R92S_LDOV12D_CTRL, 0x24);
3291 /* Enable AFE macro block's bandgap and Mbias. */
3292 rsu_write_1(sc, R92S_AFE_MISC, 0x30);
3293 /* Disable 1.6V LDO. */
3294 rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x56);
3295 rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x43);
3297 /* Firmware - tell it to switch things off */
3298 (void) rsu_set_fw_power_state(sc, RSU_PWR_OFF);
3302 rsu_fw_loadsection(struct rsu_softc *sc, const uint8_t *buf, int len)
3304 const uint8_t which = rsu_wme_ac_xfer_map[WME_AC_VO];
3305 struct rsu_data *data;
3306 struct r92s_tx_desc *txd;
3310 data = rsu_getbuf(sc);
3313 txd = (struct r92s_tx_desc *)data->buf;
3314 memset(txd, 0, sizeof(*txd));
3315 if (len <= RSU_TXBUFSZ - sizeof(*txd)) {
3317 txd->txdw0 |= htole32(R92S_TXDW0_LINIP);
3320 mlen = RSU_TXBUFSZ - sizeof(*txd);
3321 txd->txdw0 |= htole32(SM(R92S_TXDW0_PKTLEN, mlen));
3322 memcpy(&txd[1], buf, mlen);
3323 data->buflen = sizeof(*txd) + mlen;
3324 RSU_DPRINTF(sc, RSU_DEBUG_TX | RSU_DEBUG_FW | RSU_DEBUG_RESET,
3325 "%s: starting transfer %p\n",
3327 STAILQ_INSERT_TAIL(&sc->sc_tx_pending[which], data, next);
3331 usbd_transfer_start(sc->sc_xfer[which]);
3335 CTASSERT(sizeof(size_t) >= sizeof(uint32_t));
3338 rsu_load_firmware(struct rsu_softc *sc)
3340 const struct r92s_fw_hdr *hdr;
3341 struct r92s_fw_priv *dmem;
3342 struct ieee80211com *ic = &sc->sc_ic;
3343 const uint8_t *imem, *emem;
3344 uint32_t imemsz, ememsz;
3345 const struct firmware *fw;
3350 if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY) {
3351 RSU_DPRINTF(sc, RSU_DEBUG_ANY,
3352 "%s: Firmware already loaded\n",
3358 /* Read firmware image from the filesystem. */
3359 if ((fw = firmware_get("rsu-rtl8712fw")) == NULL) {
3360 device_printf(sc->sc_dev,
3361 "%s: failed load firmware of file rsu-rtl8712fw\n",
3367 size = fw->datasize;
3368 if (size < sizeof(*hdr)) {
3369 device_printf(sc->sc_dev, "firmware too short\n");
3373 hdr = (const struct r92s_fw_hdr *)fw->data;
3374 if (hdr->signature != htole16(0x8712) &&
3375 hdr->signature != htole16(0x8192)) {
3376 device_printf(sc->sc_dev,
3377 "invalid firmware signature 0x%x\n",
3378 le16toh(hdr->signature));
3382 RSU_DPRINTF(sc, RSU_DEBUG_FW, "FW V%d %02x-%02x %02x:%02x\n",
3383 le16toh(hdr->version), hdr->month, hdr->day, hdr->hour,
3386 /* Make sure that driver and firmware are in sync. */
3387 if (hdr->privsz != htole32(sizeof(*dmem))) {
3388 device_printf(sc->sc_dev, "unsupported firmware image\n");
3392 /* Get FW sections sizes. */
3393 imemsz = le32toh(hdr->imemsz);
3394 ememsz = le32toh(hdr->sramsz);
3395 /* Check that all FW sections fit in image. */
3396 if (imemsz > (size_t)(size - sizeof(*hdr)) ||
3397 ememsz > (size_t)(size - sizeof(*hdr) - imemsz)) {
3398 device_printf(sc->sc_dev, "firmware too short\n");
3402 imem = (const uint8_t *)&hdr[1];
3403 emem = imem + imemsz;
3405 /* Load IMEM section. */
3406 error = rsu_fw_loadsection(sc, imem, imemsz);
3408 device_printf(sc->sc_dev,
3409 "could not load firmware section %s\n", "IMEM");
3412 /* Wait for load to complete. */
3413 for (ntries = 0; ntries != 50; ntries++) {
3414 rsu_ms_delay(sc, 10);
3415 reg = rsu_read_1(sc, R92S_TCR);
3416 if (reg & R92S_TCR_IMEM_CODE_DONE)
3420 device_printf(sc->sc_dev, "timeout waiting for IMEM transfer\n");
3424 /* Load EMEM section. */
3425 error = rsu_fw_loadsection(sc, emem, ememsz);
3427 device_printf(sc->sc_dev,
3428 "could not load firmware section %s\n", "EMEM");
3431 /* Wait for load to complete. */
3432 for (ntries = 0; ntries != 50; ntries++) {
3433 rsu_ms_delay(sc, 10);
3434 reg = rsu_read_2(sc, R92S_TCR);
3435 if (reg & R92S_TCR_EMEM_CODE_DONE)
3439 device_printf(sc->sc_dev, "timeout waiting for EMEM transfer\n");
3444 rsu_write_1(sc, R92S_SYS_CLKR,
3445 rsu_read_1(sc, R92S_SYS_CLKR) | R92S_SYS_CPU_CLKSEL);
3446 if (!(rsu_read_1(sc, R92S_SYS_CLKR) & R92S_SYS_CPU_CLKSEL)) {
3447 device_printf(sc->sc_dev, "could not enable system clock\n");
3451 rsu_write_2(sc, R92S_SYS_FUNC_EN,
3452 rsu_read_2(sc, R92S_SYS_FUNC_EN) | R92S_FEN_CPUEN);
3453 if (!(rsu_read_2(sc, R92S_SYS_FUNC_EN) & R92S_FEN_CPUEN)) {
3454 device_printf(sc->sc_dev,
3455 "could not enable microcontroller\n");
3459 /* Wait for CPU to initialize. */
3460 for (ntries = 0; ntries < 100; ntries++) {
3461 if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_IMEM_RDY)
3463 rsu_ms_delay(sc, 1);
3465 if (ntries == 100) {
3466 device_printf(sc->sc_dev,
3467 "timeout waiting for microcontroller\n");
3472 /* Update DMEM section before loading. */
3473 dmem = __DECONST(struct r92s_fw_priv *, &hdr->priv);
3474 memset(dmem, 0, sizeof(*dmem));
3475 dmem->hci_sel = R92S_HCI_SEL_USB | R92S_HCI_SEL_8172;
3476 dmem->nendpoints = sc->sc_nendpoints;
3477 dmem->chip_version = sc->cut;
3478 dmem->rf_config = sc->sc_rftype;
3479 dmem->vcs_type = R92S_VCS_TYPE_AUTO;
3480 dmem->vcs_mode = R92S_VCS_MODE_RTS_CTS;
3481 dmem->turbo_mode = 0;
3482 dmem->bw40_en = !! (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40);
3483 dmem->amsdu2ampdu_en = !! (sc->sc_ht);
3484 dmem->ampdu_en = !! (sc->sc_ht);
3485 dmem->agg_offload = !! (sc->sc_ht);
3487 dmem->ps_offload = 1;
3488 dmem->lowpower_mode = 1; /* XXX TODO: configurable? */
3489 /* Load DMEM section. */
3490 error = rsu_fw_loadsection(sc, (uint8_t *)dmem, sizeof(*dmem));
3492 device_printf(sc->sc_dev,
3493 "could not load firmware section %s\n", "DMEM");
3496 /* Wait for load to complete. */
3497 for (ntries = 0; ntries < 100; ntries++) {
3498 if (rsu_read_1(sc, R92S_TCR) & R92S_TCR_DMEM_CODE_DONE)
3500 rsu_ms_delay(sc, 1);
3502 if (ntries == 100) {
3503 device_printf(sc->sc_dev, "timeout waiting for %s transfer\n",
3508 /* Wait for firmware readiness. */
3509 for (ntries = 0; ntries < 60; ntries++) {
3510 if (!(rsu_read_1(sc, R92S_TCR) & R92S_TCR_FWRDY))
3512 rsu_ms_delay(sc, 1);
3515 device_printf(sc->sc_dev,
3516 "timeout waiting for firmware readiness\n");
3521 firmware_put(fw, FIRMWARE_UNLOAD);
3527 rsu_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
3528 const struct ieee80211_bpf_params *params)
3530 struct ieee80211com *ic = ni->ni_ic;
3531 struct rsu_softc *sc = ic->ic_softc;
3532 struct rsu_data *bf;
3534 /* prevent management frames from being sent if we're not ready */
3535 if (!sc->sc_running) {
3540 bf = rsu_getbuf(sc);
3546 if (rsu_tx_start(sc, ni, m, bf) != 0) {
3548 rsu_freebuf(sc, bf);
3558 rsu_rxfilter_init(struct rsu_softc *sc)
3562 RSU_ASSERT_LOCKED(sc);
3564 /* Setup multicast filter. */
3567 /* Adjust Rx filter. */
3568 reg = rsu_read_4(sc, R92S_RCR);
3569 reg &= ~R92S_RCR_AICV;
3570 reg |= R92S_RCR_APP_PHYSTS;
3571 if (sc->sc_rx_checksum_enable)
3572 reg |= R92S_RCR_TCP_OFFLD_EN;
3573 rsu_write_4(sc, R92S_RCR, reg);
3575 /* Update dynamic Rx filter parts. */
3576 rsu_rxfilter_refresh(sc);
3580 rsu_rxfilter_set(struct rsu_softc *sc, uint32_t clear, uint32_t set)
3582 /* NB: firmware can touch this register too. */
3583 rsu_write_4(sc, R92S_RCR,
3584 (rsu_read_4(sc, R92S_RCR) & ~clear) | set);
3588 rsu_rxfilter_refresh(struct rsu_softc *sc)
3590 struct ieee80211com *ic = &sc->sc_ic;
3591 uint32_t mask_all, mask_min;
3593 RSU_ASSERT_LOCKED(sc);
3595 /* NB: RCR_AMF / RXFLTMAP_MGT are used by firmware. */
3596 mask_all = R92S_RCR_ACF | R92S_RCR_AAP;
3597 mask_min = R92S_RCR_APM;
3598 if (sc->sc_vap_is_running)
3599 mask_min |= R92S_RCR_CBSSID;
3601 mask_all |= R92S_RCR_ADF;
3603 if (ic->ic_opmode == IEEE80211_M_MONITOR) {
3605 if (sc->sc_vap_is_running)
3608 rxfltmap = R92S_RXFLTMAP_MGT_DEF;
3609 rsu_write_2(sc, R92S_RXFLTMAP_MGT, rxfltmap);
3612 if (ic->ic_promisc == 0 && ic->ic_opmode != IEEE80211_M_MONITOR)
3613 rsu_rxfilter_set(sc, mask_all, mask_min);
3615 rsu_rxfilter_set(sc, mask_min, mask_all);
3619 rsu_init(struct rsu_softc *sc)
3621 struct ieee80211com *ic = &sc->sc_ic;
3622 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
3623 uint8_t macaddr[IEEE80211_ADDR_LEN];
3629 if (sc->sc_running) {
3634 /* Ensure the mbuf queue is drained */
3635 rsu_drain_mbufq(sc);
3637 /* Reset power management state. */
3638 rsu_write_1(sc, R92S_USB_HRPWM, 0);
3640 /* Power on adapter. */
3642 rsu_power_on_acut(sc);
3644 rsu_power_on_bcut(sc);
3646 /* Load firmware. */
3647 error = rsu_load_firmware(sc);
3651 rsu_write_4(sc, R92S_CR,
3652 rsu_read_4(sc, R92S_CR) & ~0xff000000);
3654 /* Use 128 bytes pages. */
3655 rsu_write_1(sc, 0x00b5,
3656 rsu_read_1(sc, 0x00b5) | 0x01);
3657 /* Enable USB Rx aggregation. */
3658 rsu_write_1(sc, 0x00bd,
3659 rsu_read_1(sc, 0x00bd) | 0x80);
3660 /* Set USB Rx aggregation threshold. */
3661 rsu_write_1(sc, 0x00d9, 0x01);
3662 /* Set USB Rx aggregation timeout (1.7ms/4). */
3663 rsu_write_1(sc, 0xfe5b, 0x04);
3664 /* Fix USB Rx FIFO issue. */
3665 rsu_write_1(sc, 0xfe5c,
3666 rsu_read_1(sc, 0xfe5c) | 0x80);
3668 /* Set MAC address. */
3669 IEEE80211_ADDR_COPY(macaddr, vap ? vap->iv_myaddr : ic->ic_macaddr);
3670 rsu_write_region_1(sc, R92S_MACID, macaddr, IEEE80211_ADDR_LEN);
3672 /* It really takes 1.5 seconds for the firmware to boot: */
3673 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(2000));
3675 RSU_DPRINTF(sc, RSU_DEBUG_RESET, "%s: setting MAC address to %s\n",
3677 ether_sprintf(macaddr));
3678 error = rsu_fw_cmd(sc, R92S_CMD_SET_MAC_ADDRESS, macaddr,
3679 IEEE80211_ADDR_LEN);
3681 device_printf(sc->sc_dev, "could not set MAC address\n");
3685 /* Initialize Rx filter. */
3686 rsu_rxfilter_init(sc);
3688 /* Set PS mode fully active */
3689 error = rsu_set_fw_power_state(sc, RSU_PWR_ACTIVE);
3691 device_printf(sc->sc_dev, "could not set PS mode\n");
3695 /* Install static keys (if any). */
3696 error = rsu_reinit_static_keys(sc);
3700 sc->sc_extra_scan = 0;
3701 usbd_transfer_start(sc->sc_xfer[RSU_BULK_RX]);
3703 /* We're ready to go. */
3709 /* Need to stop all failed transfers, if any */
3710 for (i = 0; i != RSU_N_TRANSFER; i++)
3711 usbd_transfer_stop(sc->sc_xfer[i]);
3718 rsu_stop(struct rsu_softc *sc)
3723 if (!sc->sc_running) {
3729 sc->sc_vap_is_running = 0;
3730 sc->sc_calibrating = 0;
3731 taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task, NULL);
3732 taskqueue_cancel(taskqueue_thread, &sc->tx_task, NULL);
3734 /* Power off adapter. */
3738 * CAM is not accessible after shutdown;
3739 * all entries are marked (by firmware?) as invalid.
3741 memset(sc->free_keys_bmap, 0, sizeof(sc->free_keys_bmap));
3742 memset(sc->keys_bmap, 0, sizeof(sc->keys_bmap));
3744 for (i = 0; i < RSU_N_TRANSFER; i++)
3745 usbd_transfer_stop(sc->sc_xfer[i]);
3747 /* Ensure the mbuf queue is drained */
3748 rsu_drain_mbufq(sc);
3753 * Note: usb_pause_mtx() actually releases the mutex before calling pause(),
3754 * which breaks any kind of driver serialisation.
3757 rsu_ms_delay(struct rsu_softc *sc, int ms)
3760 //usb_pause_mtx(&sc->sc_mtx, hz / 1000);