1 /* $NetBSD: awi.c,v 1.26 2000/07/21 04:48:55 onoe Exp $ */
2 /* $FreeBSD: src/sys/dev/awi/awi.c,v 1.10.2.2 2003/01/23 21:06:42 sam Exp $ */
3 /* $DragonFly: src/sys/dev/netif/awi/Attic/awi.c,v 1.18 2005/01/23 20:21:30 joerg Exp $ */
6 * Copyright (c) 1999 The NetBSD Foundation, Inc.
9 * This code is derived from software contributed to The NetBSD Foundation
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
41 * Driver for AMD 802.11 firmware.
42 * Uses am79c930 chip driver to talk to firmware running on the am79c930.
44 * More-or-less a generic ethernet-like if driver, with 802.11 gorp added.
49 * - flush tx queue on resynch.
50 * - clear oactive on "down".
51 * - rewrite copy-into-mbuf code
52 * - mgmt state machine gets stuck retransmitting assoc requests.
54 * - fix device reset so it's more likely to work
55 * - show status goo through ifmedia.
58 * - deal with more 802.11 frames.
59 * - send reassoc request
60 * - deal with reassoc response
61 * - send/deal with disassociation
62 * - deal with "full" access points (no room for me).
67 * - need ioctls for poking at the MIBs
68 * - implement ad-hoc mode (including bss creation).
69 * - decide when to do "ad hoc" vs. infrastructure mode (IFF_LINK flags?)
70 * (focus on inf. mode since that will be needed for ietf)
71 * - deal with DH vs. FH versions of the card
72 * - deal with faster cards (2mb/s)
73 * - ?WEP goo (mmm, rc4) (it looks not particularly useful).
75 * - common 802.11 mibish things.
76 * - common 802.11 media layer.
80 * Driver for AMD 802.11 PCnetMobile firmware.
81 * Uses am79c930 chip driver to talk to firmware running on the am79c930.
83 * The initial version of the driver was written by
84 * Bill Sommerfeld <sommerfeld@netbsd.org>.
85 * Then the driver module completely rewritten to support cards with DS phy
86 * and to support adhoc mode by Atsushi Onoe <onoe@netbsd.org>
90 #if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
92 #elif defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 3)
94 #define NBPFILTER NBPF
99 #include <sys/param.h>
100 #include <sys/systm.h>
101 #include <sys/kernel.h>
102 #include <sys/mbuf.h>
103 #include <sys/malloc.h>
104 #include <sys/proc.h>
105 #include <sys/socket.h>
106 #include <sys/sockio.h>
107 #include <sys/errno.h>
108 #include <sys/syslog.h>
109 #if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
112 #include <sys/device.h>
116 #include <net/if_dl.h>
117 #if defined(__DragonFly__) || defined(__FreeBSD__)
118 #include <net/ethernet.h>
120 #include <net/if_ether.h>
122 #include <net/if_media.h>
123 #include <net/if_llc.h>
124 #include <netproto/802_11/ieee80211.h>
125 #include <netproto/802_11/ieee80211_ioctl.h>
128 #include <netinet/in.h>
129 #include <netinet/in_systm.h>
130 #include <netinet/in_var.h>
131 #include <netinet/ip.h>
133 #include <netinet/if_inarp.h>
135 #include <netinet/if_ether.h>
141 #include <net/bpfdesc.h>
144 #include <machine/cpu.h>
145 #include <machine/bus.h>
147 #include <machine/intr.h>
149 #if defined(__DragonFly__) || defined(__FreeBSD__)
150 #include <machine/clock.h>
154 #include <dev/ic/am79c930reg.h>
155 #include <dev/ic/am79c930var.h>
156 #include <dev/ic/awireg.h>
157 #include <dev/ic/awivar.h>
159 #if defined(__DragonFly__) || defined(__FreeBSD__)
160 #include "am79c930reg.h"
161 #include "am79c930var.h"
166 static int awi_ioctl (struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *);
168 static int awi_media_rate2opt (struct awi_softc *sc, int rate);
169 static int awi_media_opt2rate (struct awi_softc *sc, int opt);
170 static int awi_media_change (struct ifnet *ifp);
171 static void awi_media_status (struct ifnet *ifp, struct ifmediareq *imr);
173 static void awi_watchdog (struct ifnet *ifp);
174 static void awi_start (struct ifnet *ifp);
175 static void awi_txint (struct awi_softc *sc);
176 static struct mbuf * awi_fix_txhdr (struct awi_softc *sc, struct mbuf *m0);
177 static struct mbuf * awi_fix_rxhdr (struct awi_softc *sc, struct mbuf *m0);
178 static void awi_input (struct awi_softc *sc, struct mbuf *m, u_int32_t rxts, u_int8_t rssi);
179 static void awi_rxint (struct awi_softc *sc);
180 static struct mbuf * awi_devget (struct awi_softc *sc, u_int32_t off, u_int16_t len);
181 static int awi_init_hw (struct awi_softc *sc);
182 static int awi_init_mibs (struct awi_softc *sc);
183 static int awi_init_txrx (struct awi_softc *sc);
184 static void awi_stop_txrx (struct awi_softc *sc);
185 static int awi_start_scan (struct awi_softc *sc);
186 static int awi_next_scan (struct awi_softc *sc);
187 static void awi_stop_scan (struct awi_softc *sc);
188 static void awi_recv_beacon (struct awi_softc *sc, struct mbuf *m0, u_int32_t rxts, u_int8_t rssi);
189 static int awi_set_ss (struct awi_softc *sc);
190 static void awi_try_sync (struct awi_softc *sc);
191 static void awi_sync_done (struct awi_softc *sc);
192 static void awi_send_deauth (struct awi_softc *sc);
193 static void awi_send_auth (struct awi_softc *sc, int seq);
194 static void awi_recv_auth (struct awi_softc *sc, struct mbuf *m0);
195 static void awi_send_asreq (struct awi_softc *sc, int reassoc);
196 static void awi_recv_asresp (struct awi_softc *sc, struct mbuf *m0);
197 static int awi_mib (struct awi_softc *sc, u_int8_t cmd, u_int8_t mib);
198 static int awi_cmd_scan (struct awi_softc *sc);
199 static int awi_cmd (struct awi_softc *sc, u_int8_t cmd);
200 static void awi_cmd_done (struct awi_softc *sc);
201 static int awi_next_txd (struct awi_softc *sc, int len, u_int32_t *framep, u_int32_t*ntxdp);
202 static int awi_lock (struct awi_softc *sc);
203 static void awi_unlock (struct awi_softc *sc);
204 static int awi_intr_lock (struct awi_softc *sc);
205 static void awi_intr_unlock (struct awi_softc *sc);
206 static int awi_cmd_wait (struct awi_softc *sc);
207 static void awi_print_essid (u_int8_t *essid);
209 DECLARE_DUMMY_MODULE(if_awi);
212 static void awi_dump_pkt (struct awi_softc *sc, struct mbuf *m, int rssi);
215 #define AWI_DUMP_MASK(fc0) (1 << (((fc0) & IEEE80211_FC0_SUBTYPE_MASK) >> 4))
216 int awi_dump_mask = AWI_DUMP_MASK(IEEE80211_FC0_SUBTYPE_BEACON);
217 int awi_dump_hdr = 0;
218 int awi_dump_len = 28;
222 #define AWI_BPF_NORM 0
223 #define AWI_BPF_RAW 1
224 #if defined(__DragonFly__) || defined(__FreeBSD__)
225 #define AWI_BPF_MTAP(sc, m, raw) do { \
226 if ((sc)->sc_rawbpf == (raw)) \
227 BPF_MTAP((sc)->sc_ifp, (m)); \
230 #define AWI_BPF_MTAP(sc, m, raw) do { \
231 if ((sc)->sc_ifp->if_bpf && (sc)->sc_rawbpf == (raw)) \
232 bpf_mtap((sc)->sc_ifp->if_bpf, (m)); \
236 #define AWI_BPF_MTAP(sc, m, raw)
240 #define llc_snap llc_un.type_snap
243 devclass_t awi_devclass;
247 struct awi_softc *sc;
249 struct ifnet *ifp = sc->sc_ifp;
256 struct ifmediareq imr;
261 * Even if we can sleep in initialization state,
262 * all other processes (e.g. ifconfig) have to wait for
263 * completion of attaching interface.
266 sc->sc_status = AWI_ST_INIT;
267 TAILQ_INIT(&sc->sc_scan);
268 error = awi_init_hw(sc);
274 error = awi_init_mibs(sc);
282 ifp->if_start = awi_start;
283 ifp->if_ioctl = awi_ioctl;
284 ifp->if_watchdog = awi_watchdog;
285 ifp->if_mtu = ETHERMTU;
286 ifp->if_hdrlen = sizeof(struct ieee80211_frame) +
287 sizeof(struct ether_header);
288 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
289 #ifdef IFF_NOTRAILERS
290 ifp->if_flags |= IFF_NOTRAILERS;
293 memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
295 #if defined(__DragonFly__) || defined(__FreeBSD__)
296 ifp->if_snd.ifq_maxlen = ifqmaxlen;
297 memcpy(sc->sc_ec.ac_enaddr, sc->sc_mib_addr.aMAC_Address,
301 if_printf(ifp, "IEEE802.11 %s %dMbps (firmware %s)\n",
302 sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH ? "FH" : "DS",
303 sc->sc_tx_rate / 10, sc->sc_banner);
304 ether_ifattach(ifp, sc->sc_mib_addr.aMAC_Address);
307 ifmedia_init(&sc->sc_media, 0, awi_media_change, awi_media_status);
308 phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
309 for (i = 0; i < phy_rates[1]; i++) {
310 mword = awi_media_rate2opt(sc, AWI_80211_RATE(phy_rates[2 + i]));
313 mword |= IFM_IEEE80211;
314 ifmedia_add(&sc->sc_media, mword, 0, NULL);
315 ifmedia_add(&sc->sc_media,
316 mword | IFM_IEEE80211_ADHOC, 0, NULL);
317 if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_FH)
318 ifmedia_add(&sc->sc_media,
319 mword | IFM_IEEE80211_ADHOC | IFM_FLAG0, 0, NULL);
321 awi_media_status(ifp, &imr);
322 ifmedia_set(&sc->sc_media, imr.ifm_active);
325 /* ready to accept ioctl */
328 /* Attach is successful. */
336 struct awi_softc *sc;
338 struct ifnet *ifp = sc->sc_ifp;
341 /* Succeed if there is no work to do. */
342 if (!sc->sc_attached)
348 while (sc->sc_sleep_cnt > 0) {
350 (void)tsleep(sc, 0, "awidet", 1);
352 if (sc->sc_wep_ctx != NULL)
353 free(sc->sc_wep_ctx, M_DEVBUF);
358 ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY);
362 if (sc->sc_enabled) {
364 (*sc->sc_disable)(sc);
372 awi_activate(self, act)
376 struct awi_softc *sc = (struct awi_softc *)self;
385 case DVACT_DEACTIVATE:
388 if_deactivate(sc->sc_ifp);
398 struct awi_softc *sc;
408 ocansleep = sc->sc_cansleep;
410 #ifdef needtobefixed /*ONOE*/
411 if (why == PWR_RESUME) {
418 (*sc->sc_disable)(sc);
421 sc->sc_cansleep = ocansleep;
424 #endif /* __NetBSD__ */
427 awi_ioctl(ifp, cmd, data, cr)
433 struct awi_softc *sc = ifp->if_softc;
434 struct ifreq *ifr = (struct ifreq *)data;
435 struct ifaddr *ifa = (struct ifaddr *)data;
437 struct ieee80211_nwid nwid;
442 /* serialize ioctl */
443 error = awi_lock(sc);
448 ifp->if_flags |= IFF_UP;
449 switch (ifa->ifa_addr->sa_family) {
452 arp_ifinit((void *)ifp, ifa);
458 sc->sc_format_llc = !(ifp->if_flags & IFF_LINK0);
459 if (!(ifp->if_flags & IFF_UP)) {
460 if (sc->sc_enabled) {
463 (*sc->sc_disable)(sc);
468 error = awi_init(sc);
473 #if defined(__DragonFly__) || defined(__FreeBSD__)
474 error = ENETRESET; /*XXX*/
476 error = (cmd == SIOCADDMULTI) ?
477 ether_addmulti(ifr, &sc->sc_ec) :
478 ether_delmulti(ifr, &sc->sc_ec);
481 * Do not rescan BSS. Rather, just reset multicast filter.
483 if (error == ENETRESET) {
485 error = awi_init(sc);
491 if (ifr->ifr_mtu > ETHERMTU)
494 ifp->if_mtu = ifr->ifr_mtu;
497 #if defined(__DragonFly__) || defined(__FreeBSD__)
498 error = suser_cred(cr, NULL_CRED_OKAY); /* EPERM if no proc */
502 error = copyin(ifr->ifr_data, &nwid, sizeof(nwid));
505 if (nwid.i_len > IEEE80211_NWID_LEN) {
509 if (sc->sc_mib_mac.aDesired_ESS_ID[1] == nwid.i_len &&
510 memcmp(&sc->sc_mib_mac.aDesired_ESS_ID[2], nwid.i_nwid,
513 memset(sc->sc_mib_mac.aDesired_ESS_ID, 0, AWI_ESS_ID_SIZE);
514 sc->sc_mib_mac.aDesired_ESS_ID[0] = IEEE80211_ELEMID_SSID;
515 sc->sc_mib_mac.aDesired_ESS_ID[1] = nwid.i_len;
516 memcpy(&sc->sc_mib_mac.aDesired_ESS_ID[2], nwid.i_nwid,
518 if (sc->sc_enabled) {
520 error = awi_init(sc);
524 if (ifp->if_flags & IFF_RUNNING)
525 p = sc->sc_bss.essid;
527 p = sc->sc_mib_mac.aDesired_ESS_ID;
528 error = copyout(p + 1, ifr->ifr_data, 1 + IEEE80211_NWID_LEN);
530 case SIOCS80211NWKEY:
531 #if defined(__DragonFly__) || defined(__FreeBSD__)
532 error = suser_cred(cr, NULL_CRED_OKAY); /* EPERM if no proc */
536 error = awi_wep_setnwkey(sc, (struct ieee80211_nwkey *)data);
538 case SIOCG80211NWKEY:
539 error = awi_wep_getnwkey(sc, (struct ieee80211_nwkey *)data);
544 error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd);
548 error = awi_wicfg(ifp, cmd, data);
559 awi_media_rate2opt(sc, rate)
560 struct awi_softc *sc;
568 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
569 mword = IFM_IEEE80211_FH1;
571 mword = IFM_IEEE80211_DS1;
574 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
575 mword = IFM_IEEE80211_FH2;
577 mword = IFM_IEEE80211_DS2;
580 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_DS)
581 mword = IFM_IEEE80211_DS5;
584 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_DS)
585 mword = IFM_IEEE80211_DS11;
592 awi_media_opt2rate(sc, opt)
593 struct awi_softc *sc;
599 switch (IFM_SUBTYPE(opt)) {
600 case IFM_IEEE80211_FH1:
601 case IFM_IEEE80211_FH2:
602 if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_FH)
605 case IFM_IEEE80211_DS1:
606 case IFM_IEEE80211_DS2:
607 case IFM_IEEE80211_DS5:
608 case IFM_IEEE80211_DS11:
609 if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_DS)
614 switch (IFM_SUBTYPE(opt)) {
615 case IFM_IEEE80211_FH1:
616 case IFM_IEEE80211_DS1:
619 case IFM_IEEE80211_FH2:
620 case IFM_IEEE80211_DS2:
623 case IFM_IEEE80211_DS5:
626 case IFM_IEEE80211_DS11:
634 * Called from ifmedia_ioctl via awi_ioctl with lock obtained.
637 awi_media_change(ifp)
640 struct awi_softc *sc = ifp->if_softc;
641 struct ifmedia_entry *ime;
646 ime = sc->sc_media.ifm_cur;
647 rate = awi_media_opt2rate(sc, ime->ifm_media);
650 if (rate != sc->sc_tx_rate) {
651 phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
652 for (i = 0; i < phy_rates[1]; i++) {
653 if (rate == AWI_80211_RATE(phy_rates[2 + i]))
656 if (i == phy_rates[1])
659 if (ime->ifm_media & IFM_IEEE80211_ADHOC) {
660 sc->sc_mib_local.Network_Mode = 0;
661 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
664 sc->sc_no_bssid = (ime->ifm_media & IFM_FLAG0) ? 1 : 0;
666 sc->sc_mib_local.Network_Mode = 1;
668 if (sc->sc_enabled) {
670 error = awi_init(sc);
676 awi_media_status(ifp, imr)
678 struct ifmediareq *imr;
680 struct awi_softc *sc = ifp->if_softc;
682 imr->ifm_status = IFM_AVALID;
683 if (ifp->if_flags & IFF_RUNNING)
684 imr->ifm_status |= IFM_ACTIVE;
685 imr->ifm_active = IFM_IEEE80211;
686 imr->ifm_active |= awi_media_rate2opt(sc, sc->sc_tx_rate);
687 if (sc->sc_mib_local.Network_Mode == 0) {
688 imr->ifm_active |= IFM_IEEE80211_ADHOC;
690 imr->ifm_active |= IFM_FLAG0;
693 #endif /* IFM_IEEE80211 */
699 struct awi_softc *sc = arg;
701 int error, handled = 0, ocansleep;
703 if (!sc->sc_enabled || !sc->sc_enab_intr || sc->sc_invalid)
706 am79c930_gcr_setbits(&sc->sc_chip,
707 AM79C930_GCR_DISPWDN | AM79C930_GCR_ECINT);
708 awi_write_1(sc, AWI_DIS_PWRDN, 1);
709 ocansleep = sc->sc_cansleep;
713 error = awi_intr_lock(sc);
716 status = awi_read_1(sc, AWI_INTSTAT);
717 awi_write_1(sc, AWI_INTSTAT, 0);
718 awi_write_1(sc, AWI_INTSTAT, 0);
719 status |= awi_read_1(sc, AWI_INTSTAT2) << 8;
720 awi_write_1(sc, AWI_INTSTAT2, 0);
723 if (!sc->sc_cmd_inprog)
724 status &= ~AWI_INT_CMD; /* make sure */
728 if (status & AWI_INT_RX)
730 if (status & AWI_INT_TX)
732 if (status & AWI_INT_CMD)
734 if (status & AWI_INT_SCAN_CMPLT) {
735 if (sc->sc_status == AWI_ST_SCAN &&
736 sc->sc_mgt_timer > 0)
737 (void)awi_next_scan(sc);
740 sc->sc_cansleep = ocansleep;
741 am79c930_gcr_clearbits(&sc->sc_chip, AM79C930_GCR_DISPWDN);
742 awi_write_1(sc, AWI_DIS_PWRDN, 0);
748 struct awi_softc *sc;
750 struct ifnet *ifp = sc->sc_ifp;
753 #if defined(__DragonFly__) || defined(__FreeBSD__)
754 struct ifmultiaddr *ifma;
756 struct ether_multi *enm;
757 struct ether_multistep step;
760 /* reinitialize muticast filter */
762 ifp->if_flags |= IFF_ALLMULTI;
763 sc->sc_mib_local.Accept_All_Multicast_Dis = 0;
764 if (ifp->if_flags & IFF_PROMISC) {
765 sc->sc_mib_mac.aPromiscuous_Enable = 1;
768 sc->sc_mib_mac.aPromiscuous_Enable = 0;
769 #if defined(__DragonFly__) || defined(__FreeBSD__)
770 if (ifp->if_amcount != 0)
772 for (ifma = LIST_FIRST(&ifp->if_multiaddrs); ifma != NULL;
773 ifma = LIST_NEXT(ifma, ifma_link)) {
774 if (ifma->ifma_addr->sa_family != AF_LINK)
776 if (n == AWI_GROUP_ADDR_SIZE)
778 memcpy(sc->sc_mib_addr.aGroup_Addresses[n],
779 LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
784 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
785 while (enm != NULL) {
786 if (n == AWI_GROUP_ADDR_SIZE ||
787 memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)
790 memcpy(sc->sc_mib_addr.aGroup_Addresses[n], enm->enm_addrlo,
793 ETHER_NEXT_MULTI(step, enm);
796 for (; n < AWI_GROUP_ADDR_SIZE; n++)
797 memset(sc->sc_mib_addr.aGroup_Addresses[n], 0, ETHER_ADDR_LEN);
798 ifp->if_flags &= ~IFF_ALLMULTI;
799 sc->sc_mib_local.Accept_All_Multicast_Dis = 1;
802 #ifdef notdef /* allow non-encrypted frame for receiving. */
803 sc->sc_mib_mgt.Wep_Required = sc->sc_wep_algo != NULL ? 1 : 0;
805 if (!sc->sc_enabled) {
808 (*sc->sc_enable)(sc);
809 sc->sc_status = AWI_ST_INIT;
810 error = awi_init_hw(sc);
814 ostatus = sc->sc_status;
815 sc->sc_status = AWI_ST_INIT;
816 if ((error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_LOCAL)) != 0 ||
817 (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_ADDR)) != 0 ||
818 (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MAC)) != 0 ||
819 (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT)) != 0 ||
820 (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_PHY)) != 0) {
824 if (ifp->if_flags & IFF_RUNNING)
825 sc->sc_status = AWI_ST_RUNNING;
827 if (ostatus == AWI_ST_INIT) {
828 error = awi_init_txrx(sc);
832 error = awi_start_scan(sc);
839 struct awi_softc *sc;
841 struct ifnet *ifp = sc->sc_ifp;
845 sc->sc_status = AWI_ST_INIT;
846 if (!sc->sc_invalid) {
847 (void)awi_cmd_wait(sc);
848 if (sc->sc_mib_local.Network_Mode &&
849 sc->sc_status > AWI_ST_AUTH)
853 ifp->if_flags &= ~(IFF_RUNNING|IFF_OACTIVE);
855 sc->sc_tx_timer = sc->sc_rx_timer = sc->sc_mgt_timer = 0;
857 IF_DEQUEUE(&sc->sc_mgtq, m);
863 IF_DEQUEUE(&ifp->if_snd, m);
868 while ((bp = TAILQ_FIRST(&sc->sc_scan)) != NULL) {
869 TAILQ_REMOVE(&sc->sc_scan, bp, list);
878 struct awi_softc *sc = ifp->if_softc;
881 if (sc->sc_invalid) {
886 ocansleep = sc->sc_cansleep;
888 if (sc->sc_tx_timer && --sc->sc_tx_timer == 0) {
889 if_printf(ifp, "transmit timeout\n");
892 if (sc->sc_rx_timer && --sc->sc_rx_timer == 0) {
893 if (ifp->if_flags & IFF_DEBUG) {
894 if_printf(ifp, "no recent beacons from %6D; rescanning\n",
895 sc->sc_bss.bssid, ":");
897 ifp->if_flags &= ~IFF_RUNNING;
900 if (sc->sc_mgt_timer && --sc->sc_mgt_timer == 0) {
901 switch (sc->sc_status) {
915 if (sc->sc_tx_timer == 0 && sc->sc_rx_timer == 0 &&
916 sc->sc_mgt_timer == 0)
920 sc->sc_cansleep = ocansleep;
927 struct awi_softc *sc = ifp->if_softc;
929 u_int32_t txd, frame, ntxd;
935 IF_DEQUEUE(&sc->sc_mgtq, m0);
937 if (awi_next_txd(sc, m0->m_pkthdr.len, &frame, &ntxd)) {
938 IF_PREPEND(&sc->sc_mgtq, m0);
939 ifp->if_flags |= IFF_OACTIVE;
943 if (!(ifp->if_flags & IFF_RUNNING))
945 IF_DEQUEUE(&ifp->if_snd, m0);
948 len = m0->m_pkthdr.len + sizeof(struct ieee80211_frame);
949 if (sc->sc_format_llc)
950 len += sizeof(struct llc) -
951 sizeof(struct ether_header);
952 if (sc->sc_wep_algo != NULL)
953 len += IEEE80211_WEP_IVLEN +
954 IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN;
955 if (awi_next_txd(sc, len, &frame, &ntxd)) {
956 IF_PREPEND(&ifp->if_snd, m0);
957 ifp->if_flags |= IFF_OACTIVE;
960 AWI_BPF_MTAP(sc, m0, AWI_BPF_NORM);
961 m0 = awi_fix_txhdr(sc, m0);
962 if (sc->sc_wep_algo != NULL && m0 != NULL)
963 m0 = awi_wep_encrypt(sc, m0, 1);
972 awi_dump_pkt(sc, m0, -1);
974 AWI_BPF_MTAP(sc, m0, AWI_BPF_RAW);
976 for (m = m0; m != NULL; m = m->m_next) {
977 awi_write_bytes(sc, frame + len, mtod(m, u_int8_t *),
982 rate = sc->sc_tx_rate; /*XXX*/
983 awi_write_1(sc, ntxd + AWI_TXD_STATE, 0);
984 awi_write_4(sc, txd + AWI_TXD_START, frame);
985 awi_write_4(sc, txd + AWI_TXD_NEXT, ntxd);
986 awi_write_4(sc, txd + AWI_TXD_LENGTH, len);
987 awi_write_1(sc, txd + AWI_TXD_RATE, rate);
988 awi_write_4(sc, txd + AWI_TXD_NDA, 0);
989 awi_write_4(sc, txd + AWI_TXD_NRA, 0);
990 awi_write_1(sc, txd + AWI_TXD_STATE, AWI_TXD_ST_OWN);
991 sc->sc_txnext = ntxd;
995 if (sc->sc_tx_timer == 0)
1000 printf("awi_start: sent %d txdone %d txnext %d txbase %d txend %d\n", sent, sc->sc_txdone, sc->sc_txnext, sc->sc_txbase, sc->sc_txend);
1007 struct awi_softc *sc;
1009 struct ifnet *ifp = sc->sc_ifp;
1012 while (sc->sc_txdone != sc->sc_txnext) {
1013 flags = awi_read_1(sc, sc->sc_txdone + AWI_TXD_STATE);
1014 if ((flags & AWI_TXD_ST_OWN) || !(flags & AWI_TXD_ST_DONE))
1016 if (flags & AWI_TXD_ST_ERROR)
1018 sc->sc_txdone = awi_read_4(sc, sc->sc_txdone + AWI_TXD_NEXT) &
1021 sc->sc_tx_timer = 0;
1022 ifp->if_flags &= ~IFF_OACTIVE;
1025 printf("awi_txint: txdone %d txnext %d txbase %d txend %d\n",
1026 sc->sc_txdone, sc->sc_txnext, sc->sc_txbase, sc->sc_txend);
1031 static struct mbuf *
1032 awi_fix_txhdr(sc, m0)
1033 struct awi_softc *sc;
1036 struct ether_header eh;
1037 struct ieee80211_frame *wh;
1040 if (m0->m_len < sizeof(eh)) {
1041 m0 = m_pullup(m0, sizeof(eh));
1045 memcpy(&eh, mtod(m0, caddr_t), sizeof(eh));
1046 if (sc->sc_format_llc) {
1047 m_adj(m0, sizeof(struct ether_header) - sizeof(struct llc));
1048 llc = mtod(m0, struct llc *);
1049 llc->llc_dsap = llc->llc_ssap = LLC_SNAP_LSAP;
1050 llc->llc_control = LLC_UI;
1051 llc->llc_snap.org_code[0] = llc->llc_snap.org_code[1] =
1052 llc->llc_snap.org_code[2] = 0;
1053 llc->llc_snap.ether_type = eh.ether_type;
1055 M_PREPEND(m0, sizeof(struct ieee80211_frame), MB_DONTWAIT);
1058 wh = mtod(m0, struct ieee80211_frame *);
1060 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA;
1061 LE_WRITE_2(wh->i_dur, 0);
1062 LE_WRITE_2(wh->i_seq, 0);
1063 if (sc->sc_mib_local.Network_Mode) {
1064 wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
1065 memcpy(wh->i_addr1, sc->sc_bss.bssid, ETHER_ADDR_LEN);
1066 memcpy(wh->i_addr2, eh.ether_shost, ETHER_ADDR_LEN);
1067 memcpy(wh->i_addr3, eh.ether_dhost, ETHER_ADDR_LEN);
1069 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
1070 memcpy(wh->i_addr1, eh.ether_dhost, ETHER_ADDR_LEN);
1071 memcpy(wh->i_addr2, eh.ether_shost, ETHER_ADDR_LEN);
1072 memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
1077 static struct mbuf *
1078 awi_fix_rxhdr(sc, m0)
1079 struct awi_softc *sc;
1082 struct ieee80211_frame wh;
1083 struct ether_header *eh;
1086 if (m0->m_len < sizeof(wh)) {
1090 llc = (struct llc *)(mtod(m0, caddr_t) + sizeof(wh));
1091 if (llc->llc_dsap == LLC_SNAP_LSAP &&
1092 llc->llc_ssap == LLC_SNAP_LSAP &&
1093 llc->llc_control == LLC_UI &&
1094 llc->llc_snap.org_code[0] == 0 &&
1095 llc->llc_snap.org_code[1] == 0 &&
1096 llc->llc_snap.org_code[2] == 0) {
1097 memcpy(&wh, mtod(m0, caddr_t), sizeof(wh));
1098 m_adj(m0, sizeof(wh) + sizeof(*llc) - sizeof(*eh));
1099 eh = mtod(m0, struct ether_header *);
1100 switch (wh.i_fc[1] & IEEE80211_FC1_DIR_MASK) {
1101 case IEEE80211_FC1_DIR_NODS:
1102 memcpy(eh->ether_dhost, wh.i_addr1, ETHER_ADDR_LEN);
1103 memcpy(eh->ether_shost, wh.i_addr2, ETHER_ADDR_LEN);
1105 case IEEE80211_FC1_DIR_TODS:
1106 memcpy(eh->ether_dhost, wh.i_addr3, ETHER_ADDR_LEN);
1107 memcpy(eh->ether_shost, wh.i_addr2, ETHER_ADDR_LEN);
1109 case IEEE80211_FC1_DIR_FROMDS:
1110 memcpy(eh->ether_dhost, wh.i_addr1, ETHER_ADDR_LEN);
1111 memcpy(eh->ether_shost, wh.i_addr3, ETHER_ADDR_LEN);
1113 case IEEE80211_FC1_DIR_DSTODS:
1118 /* assuming ethernet encapsulation, just strip 802.11 header */
1119 m_adj(m0, sizeof(wh));
1121 if (ALIGN(mtod(m0, caddr_t) + sizeof(struct ether_header)) !=
1122 (u_int)(mtod(m0, caddr_t) + sizeof(struct ether_header))) {
1123 /* XXX: we loose to estimate the type of encapsulation */
1124 struct mbuf *n, *n0, **np;
1131 while (m0->m_pkthdr.len > off) {
1133 MGETHDR(n, MB_DONTWAIT, MT_DATA);
1138 M_MOVE_PKTHDR(n, m0);
1141 MGET(n, MB_DONTWAIT, MT_DATA);
1149 if (m0->m_pkthdr.len - off >= MINCLSIZE) {
1150 MCLGET(n, MB_DONTWAIT);
1151 if (n->m_flags & M_EXT)
1152 n->m_len = n->m_ext.ext_size;
1157 + sizeof(struct ether_header))
1158 - sizeof(struct ether_header);
1159 n->m_len -= newdata - n->m_data;
1160 n->m_data = newdata;
1162 if (n->m_len > m0->m_pkthdr.len - off)
1163 n->m_len = m0->m_pkthdr.len - off;
1164 m_copydata(m0, off, n->m_len, mtod(n, caddr_t));
1176 awi_input(sc, m, rxts, rssi)
1177 struct awi_softc *sc;
1182 struct ifnet *ifp = sc->sc_ifp;
1183 struct ieee80211_frame *wh;
1185 /* trim CRC here for WEP can find its own CRC at the end of packet. */
1186 m_adj(m, -ETHER_CRC_LEN);
1187 AWI_BPF_MTAP(sc, m, AWI_BPF_RAW);
1188 wh = mtod(m, struct ieee80211_frame *);
1189 if ((wh->i_fc[0] & IEEE80211_FC0_VERSION_MASK) !=
1190 IEEE80211_FC0_VERSION_0) {
1191 if_printf(ifp, "receive packet with wrong version: %x\n",
1197 if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
1198 m = awi_wep_encrypt(sc, m, 0);
1203 wh = mtod(m, struct ieee80211_frame *);
1207 awi_dump_pkt(sc, m, rssi);
1210 if ((sc->sc_mib_local.Network_Mode || !sc->sc_no_bssid) &&
1211 sc->sc_status == AWI_ST_RUNNING) {
1212 if (memcmp(wh->i_addr2, sc->sc_bss.bssid, ETHER_ADDR_LEN) == 0) {
1213 sc->sc_rx_timer = 10;
1214 sc->sc_bss.rssi = rssi;
1217 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
1218 case IEEE80211_FC0_TYPE_DATA:
1219 if (sc->sc_mib_local.Network_Mode) {
1220 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
1221 IEEE80211_FC1_DIR_FROMDS) {
1226 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
1227 IEEE80211_FC1_DIR_NODS) {
1232 m = awi_fix_rxhdr(sc, m);
1238 #if !(defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4))
1239 AWI_BPF_MTAP(sc, m, AWI_BPF_NORM);
1241 (*ifp->if_input)(ifp, m);
1243 case IEEE80211_FC0_TYPE_MGT:
1244 if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
1245 IEEE80211_FC1_DIR_NODS) {
1249 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
1250 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
1251 case IEEE80211_FC0_SUBTYPE_BEACON:
1252 awi_recv_beacon(sc, m, rxts, rssi);
1254 case IEEE80211_FC0_SUBTYPE_AUTH:
1255 awi_recv_auth(sc, m);
1257 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
1258 case IEEE80211_FC0_SUBTYPE_REASSOC_RESP:
1259 awi_recv_asresp(sc, m);
1261 case IEEE80211_FC0_SUBTYPE_DEAUTH:
1262 if (sc->sc_mib_local.Network_Mode)
1263 awi_send_auth(sc, 1);
1265 case IEEE80211_FC0_SUBTYPE_DISASSOC:
1266 if (sc->sc_mib_local.Network_Mode)
1267 awi_send_asreq(sc, 1);
1272 case IEEE80211_FC0_TYPE_CTL:
1274 /* should not come here */
1282 struct awi_softc *sc;
1284 u_int8_t state, rate, rssi;
1286 u_int32_t frame, next, rxts, rxoff;
1289 rxoff = sc->sc_rxdoff;
1291 state = awi_read_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE);
1292 if (state & AWI_RXD_ST_OWN)
1294 if (!(state & AWI_RXD_ST_CONSUMED)) {
1295 if (state & AWI_RXD_ST_RXERROR)
1296 sc->sc_ifp->if_ierrors++;
1298 len = awi_read_2(sc, rxoff + AWI_RXD_LEN);
1299 rate = awi_read_1(sc, rxoff + AWI_RXD_RATE);
1300 rssi = awi_read_1(sc, rxoff + AWI_RXD_RSSI);
1301 frame = awi_read_4(sc, rxoff + AWI_RXD_START_FRAME) & 0x7fff;
1302 rxts = awi_read_4(sc, rxoff + AWI_RXD_LOCALTIME);
1303 m = awi_devget(sc, frame, len);
1304 if (state & AWI_RXD_ST_LF)
1305 awi_input(sc, m, rxts, rssi);
1309 state |= AWI_RXD_ST_CONSUMED;
1310 awi_write_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE, state);
1312 next = awi_read_4(sc, rxoff + AWI_RXD_NEXT);
1313 if (next & AWI_RXD_NEXT_LAST)
1315 /* make sure the next pointer is correct */
1316 if (next != awi_read_4(sc, rxoff + AWI_RXD_NEXT))
1318 state |= AWI_RXD_ST_OWN;
1319 awi_write_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE, state);
1320 rxoff = next & 0x7fff;
1322 sc->sc_rxdoff = rxoff;
1325 static struct mbuf *
1326 awi_devget(sc, off, len)
1327 struct awi_softc *sc;
1332 struct mbuf *top, **mp;
1335 top = sc->sc_rxpend;
1338 sc->sc_rxpend = NULL;
1339 top->m_pkthdr.len += len;
1341 while (*mp != NULL) {
1345 if (m->m_flags & M_EXT)
1346 tlen = m->m_ext.ext_size;
1347 else if (m->m_flags & M_PKTHDR)
1354 awi_read_bytes(sc, off, mtod(m, u_int8_t *) + m->m_len, tlen);
1361 MGETHDR(m, MB_DONTWAIT, MT_DATA);
1364 m->m_pkthdr.rcvif = sc->sc_ifp;
1365 m->m_pkthdr.len = len;
1368 MGET(m, MB_DONTWAIT, MT_DATA);
1375 if (len >= MINCLSIZE) {
1376 MCLGET(m, MB_DONTWAIT);
1377 if (m->m_flags & M_EXT)
1378 m->m_len = m->m_ext.ext_size;
1381 int hdrlen = sizeof(struct ieee80211_frame) +
1382 (sc->sc_format_llc ? sizeof(struct llc) :
1383 sizeof(struct ether_header));
1384 caddr_t newdata = (caddr_t)
1385 ALIGN(m->m_data + hdrlen) - hdrlen;
1386 m->m_len -= newdata - m->m_data;
1387 m->m_data = newdata;
1391 awi_read_bytes(sc, off, mtod(m, u_int8_t *), m->m_len);
1401 * Initialize hardware and start firmware to accept commands.
1402 * Called everytime after power on firmware.
1407 struct awi_softc *sc;
1409 struct ifnet *ifp = sc->sc_ifp;
1414 sc->sc_enab_intr = 0;
1415 sc->sc_invalid = 0; /* XXX: really? */
1416 awi_drvstate(sc, AWI_DRV_RESET);
1418 /* reset firmware */
1419 am79c930_gcr_setbits(&sc->sc_chip, AM79C930_GCR_CORESET);
1421 awi_write_1(sc, AWI_SELFTEST, 0);
1422 awi_write_1(sc, AWI_CMD, 0);
1423 awi_write_1(sc, AWI_BANNER, 0);
1424 am79c930_gcr_clearbits(&sc->sc_chip, AM79C930_GCR_CORESET);
1427 /* wait for selftest completion */
1428 for (i = 0; ; i++) {
1429 if (i >= AWI_SELFTEST_TIMEOUT*hz/1000) {
1430 if_printf(ifp, "failed to complete selftest (timeout)\n");
1433 status = awi_read_1(sc, AWI_SELFTEST);
1434 if ((status & 0xf0) == 0xf0)
1436 if (sc->sc_cansleep) {
1438 (void)tsleep(sc, 0, "awitst", 1);
1441 DELAY(1000*1000/hz);
1444 if (status != AWI_SELFTEST_PASSED) {
1445 if_printf(ifp, "failed to complete selftest (code %x)\n",
1450 /* check banner to confirm firmware write it */
1451 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN);
1452 if (memcmp(sc->sc_banner, "PCnetMobile:", 12) != 0) {
1453 if_printf(ifp, "failed to complete selftest (bad banner)\n");
1454 for (i = 0; i < AWI_BANNER_LEN; i++)
1455 printf("%s%02x", i ? ":" : "\t", sc->sc_banner[i]);
1460 /* initializing interrupt */
1461 sc->sc_enab_intr = 1;
1462 error = awi_intr_lock(sc);
1465 intmask = AWI_INT_GROGGY | AWI_INT_SCAN_CMPLT |
1466 AWI_INT_TX | AWI_INT_RX | AWI_INT_CMD;
1467 awi_write_1(sc, AWI_INTMASK, ~intmask & 0xff);
1468 awi_write_1(sc, AWI_INTMASK2, 0);
1469 awi_write_1(sc, AWI_INTSTAT, 0);
1470 awi_write_1(sc, AWI_INTSTAT2, 0);
1471 awi_intr_unlock(sc);
1472 am79c930_gcr_setbits(&sc->sc_chip, AM79C930_GCR_ENECINT);
1474 /* issueing interface test command */
1475 error = awi_cmd(sc, AWI_CMD_NOP);
1477 if_printf(ifp, "failed to complete selftest");
1479 printf(" (no hardware)\n");
1480 else if (error != EWOULDBLOCK)
1481 printf(" (error %d)\n", error);
1482 else if (sc->sc_cansleep)
1483 printf(" (lost interrupt)\n");
1485 printf(" (command timeout)\n");
1491 * Extract the factory default MIB value from firmware and assign the driver
1493 * Called once at attaching the interface.
1498 struct awi_softc *sc;
1503 if ((error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_LOCAL)) != 0 ||
1504 (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_ADDR)) != 0 ||
1505 (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_MAC)) != 0 ||
1506 (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_MGT)) != 0 ||
1507 (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_PHY)) != 0) {
1508 if_printf(sc->sc_ifp,
1509 "failed to get default mib value (error %d)\n",
1514 rate = sc->sc_mib_phy.aSuprt_Data_Rates;
1515 sc->sc_tx_rate = AWI_RATE_1MBIT;
1516 for (i = 0; i < rate[1]; i++) {
1517 if (AWI_80211_RATE(rate[2 + i]) > sc->sc_tx_rate)
1518 sc->sc_tx_rate = AWI_80211_RATE(rate[2 + i]);
1520 awi_init_region(sc);
1521 memset(&sc->sc_mib_mac.aDesired_ESS_ID, 0, AWI_ESS_ID_SIZE);
1522 sc->sc_mib_mac.aDesired_ESS_ID[0] = IEEE80211_ELEMID_SSID;
1523 sc->sc_mib_local.Fragmentation_Dis = 1;
1524 sc->sc_mib_local.Accept_All_Multicast_Dis = 1;
1525 sc->sc_mib_local.Power_Saving_Mode_Dis = 1;
1527 /* allocate buffers */
1528 sc->sc_txbase = AWI_BUFFERS;
1529 sc->sc_txend = sc->sc_txbase +
1530 (AWI_TXD_SIZE + sizeof(struct ieee80211_frame) +
1531 sizeof(struct ether_header) + ETHERMTU) * AWI_NTXBUFS;
1532 LE_WRITE_4(&sc->sc_mib_local.Tx_Buffer_Offset, sc->sc_txbase);
1533 LE_WRITE_4(&sc->sc_mib_local.Tx_Buffer_Size,
1534 sc->sc_txend - sc->sc_txbase);
1535 LE_WRITE_4(&sc->sc_mib_local.Rx_Buffer_Offset, sc->sc_txend);
1536 LE_WRITE_4(&sc->sc_mib_local.Rx_Buffer_Size,
1537 AWI_BUFFERS_END - sc->sc_txend);
1538 sc->sc_mib_local.Network_Mode = 1;
1539 sc->sc_mib_local.Acting_as_AP = 0;
1544 * Start transmitter and receiver of firmware
1545 * Called after awi_init_hw() to start operation.
1550 struct awi_softc *sc;
1554 /* start transmitter */
1555 sc->sc_txdone = sc->sc_txnext = sc->sc_txbase;
1556 awi_write_4(sc, sc->sc_txbase + AWI_TXD_START, 0);
1557 awi_write_4(sc, sc->sc_txbase + AWI_TXD_NEXT, 0);
1558 awi_write_4(sc, sc->sc_txbase + AWI_TXD_LENGTH, 0);
1559 awi_write_1(sc, sc->sc_txbase + AWI_TXD_RATE, 0);
1560 awi_write_4(sc, sc->sc_txbase + AWI_TXD_NDA, 0);
1561 awi_write_4(sc, sc->sc_txbase + AWI_TXD_NRA, 0);
1562 awi_write_1(sc, sc->sc_txbase + AWI_TXD_STATE, 0);
1563 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_DATA, sc->sc_txbase);
1564 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_MGT, 0);
1565 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_BCAST, 0);
1566 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_PS, 0);
1567 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_CF, 0);
1568 error = awi_cmd(sc, AWI_CMD_INIT_TX);
1572 /* start receiver */
1573 if (sc->sc_rxpend) {
1574 m_freem(sc->sc_rxpend);
1575 sc->sc_rxpend = NULL;
1577 error = awi_cmd(sc, AWI_CMD_INIT_RX);
1580 sc->sc_rxdoff = awi_read_4(sc, AWI_CMD_PARAMS+AWI_CA_IRX_DATA_DESC);
1581 sc->sc_rxmoff = awi_read_4(sc, AWI_CMD_PARAMS+AWI_CA_IRX_PS_DESC);
1587 struct awi_softc *sc;
1590 if (sc->sc_cmd_inprog)
1591 (void)awi_cmd_wait(sc);
1592 (void)awi_cmd(sc, AWI_CMD_KILL_RX);
1593 (void)awi_cmd_wait(sc);
1594 sc->sc_cmd_inprog = AWI_CMD_FLUSH_TX;
1595 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_DATA, 1);
1596 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_MGT, 0);
1597 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_BCAST, 0);
1598 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_PS, 0);
1599 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_CF, 0);
1600 (void)awi_cmd(sc, AWI_CMD_FLUSH_TX);
1601 (void)awi_cmd_wait(sc);
1606 struct awi_softc *sc;
1609 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
1610 switch (sc->sc_mib_phy.aCurrent_Reg_Domain) {
1611 case AWI_REG_DOMAIN_US:
1612 case AWI_REG_DOMAIN_CA:
1613 case AWI_REG_DOMAIN_EU:
1614 sc->sc_scan_min = 0;
1615 sc->sc_scan_max = 77;
1617 case AWI_REG_DOMAIN_ES:
1618 sc->sc_scan_min = 0;
1619 sc->sc_scan_max = 26;
1621 case AWI_REG_DOMAIN_FR:
1622 sc->sc_scan_min = 0;
1623 sc->sc_scan_max = 32;
1625 case AWI_REG_DOMAIN_JP:
1626 sc->sc_scan_min = 6;
1627 sc->sc_scan_max = 17;
1632 sc->sc_scan_set = sc->sc_scan_cur % 3 + 1;
1634 switch (sc->sc_mib_phy.aCurrent_Reg_Domain) {
1635 case AWI_REG_DOMAIN_US:
1636 case AWI_REG_DOMAIN_CA:
1637 sc->sc_scan_min = 1;
1638 sc->sc_scan_max = 11;
1639 sc->sc_scan_cur = 3;
1641 case AWI_REG_DOMAIN_EU:
1642 sc->sc_scan_min = 1;
1643 sc->sc_scan_max = 13;
1644 sc->sc_scan_cur = 3;
1646 case AWI_REG_DOMAIN_ES:
1647 sc->sc_scan_min = 10;
1648 sc->sc_scan_max = 11;
1649 sc->sc_scan_cur = 10;
1651 case AWI_REG_DOMAIN_FR:
1652 sc->sc_scan_min = 10;
1653 sc->sc_scan_max = 13;
1654 sc->sc_scan_cur = 10;
1656 case AWI_REG_DOMAIN_JP:
1657 sc->sc_scan_min = 14;
1658 sc->sc_scan_max = 14;
1659 sc->sc_scan_cur = 14;
1665 sc->sc_ownch = sc->sc_scan_cur;
1671 struct awi_softc *sc;
1676 while ((bp = TAILQ_FIRST(&sc->sc_scan)) != NULL) {
1677 TAILQ_REMOVE(&sc->sc_scan, bp, list);
1680 if (!sc->sc_mib_local.Network_Mode && sc->sc_no_bssid) {
1681 memset(&sc->sc_bss, 0, sizeof(sc->sc_bss));
1682 sc->sc_bss.essid[0] = IEEE80211_ELEMID_SSID;
1683 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
1684 sc->sc_bss.chanset = sc->sc_ownch % 3 + 1;
1685 sc->sc_bss.pattern = sc->sc_ownch;
1686 sc->sc_bss.index = 1;
1687 sc->sc_bss.dwell_time = 200; /*XXX*/
1689 sc->sc_bss.chanset = sc->sc_ownch;
1690 sc->sc_status = AWI_ST_SETSS;
1691 error = awi_set_ss(sc);
1693 if (sc->sc_mib_local.Network_Mode)
1694 awi_drvstate(sc, AWI_DRV_INFSC);
1696 awi_drvstate(sc, AWI_DRV_ADHSC);
1697 sc->sc_start_bss = 0;
1698 sc->sc_active_scan = 1;
1699 sc->sc_mgt_timer = AWI_ASCAN_WAIT / 1000;
1700 sc->sc_ifp->if_timer = 1;
1701 sc->sc_status = AWI_ST_SCAN;
1702 error = awi_cmd_scan(sc);
1709 struct awi_softc *sc;
1715 * The pattern parameter for FH phy should be incremented
1716 * by 3. But BayStack 650 Access Points apparently always
1717 * assign hop pattern set parameter to 1 for any pattern.
1718 * So we try all combinations of pattern/set parameters.
1719 * Since this causes no error, it may be a bug of
1720 * PCnetMobile firmware.
1723 if (sc->sc_scan_cur > sc->sc_scan_max) {
1724 sc->sc_scan_cur = sc->sc_scan_min;
1725 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
1726 sc->sc_scan_set = sc->sc_scan_set % 3 + 1;
1728 error = awi_cmd_scan(sc);
1729 if (error != EINVAL)
1737 struct awi_softc *sc;
1739 struct ifnet *ifp = sc->sc_ifp;
1740 struct awi_bss *bp, *sbp;
1743 bp = TAILQ_FIRST(&sc->sc_scan);
1746 if (sc->sc_active_scan) {
1747 if (ifp->if_flags & IFF_DEBUG)
1748 if_printf(ifp, "entering passive scan mode\n");
1749 sc->sc_active_scan = 0;
1751 sc->sc_mgt_timer = AWI_PSCAN_WAIT / 1000;
1753 (void)awi_next_scan(sc);
1757 if (ifp->if_flags & IFF_DEBUG)
1758 if_printf(ifp, "\tmacaddr ch/pat sig flag wep essid\n");
1759 for (; bp != NULL; bp = TAILQ_NEXT(bp, list)) {
1762 * The configuration of the access points may change
1763 * during my scan. So we retries to associate with
1764 * it unless there are any suitable AP.
1766 if (bp->fails++ < 3)
1772 * Since the firmware apparently scans not only the specified
1773 * channel of SCAN command but all available channel within
1774 * the region, we should filter out unnecessary responses here.
1776 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
1777 if (bp->pattern < sc->sc_scan_min ||
1778 bp->pattern > sc->sc_scan_max)
1781 if (bp->chanset < sc->sc_scan_min ||
1782 bp->chanset > sc->sc_scan_max)
1785 if (sc->sc_mib_local.Network_Mode) {
1786 if (!(bp->capinfo & IEEE80211_CAPINFO_ESS) ||
1787 (bp->capinfo & IEEE80211_CAPINFO_IBSS))
1790 if ((bp->capinfo & IEEE80211_CAPINFO_ESS) ||
1791 !(bp->capinfo & IEEE80211_CAPINFO_IBSS))
1794 if (sc->sc_wep_algo == NULL) {
1795 if (bp->capinfo & IEEE80211_CAPINFO_PRIVACY)
1798 if (!(bp->capinfo & IEEE80211_CAPINFO_PRIVACY))
1801 if (sc->sc_mib_mac.aDesired_ESS_ID[1] != 0 &&
1802 memcmp(&sc->sc_mib_mac.aDesired_ESS_ID, bp->essid,
1803 sizeof(bp->essid)) != 0)
1805 if (ifp->if_flags & IFF_DEBUG) {
1806 printf(" %c %6D", fail ? '-' : '+', bp->esrc, ":");
1807 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
1808 printf(" %2d/%d%c", bp->pattern, bp->chanset,
1809 fail & 0x01 ? '!' : ' ');
1811 printf(" %4d%c", bp->chanset,
1812 fail & 0x01 ? '!' : ' ');
1813 printf(" %+4d", bp->rssi);
1815 (bp->capinfo & IEEE80211_CAPINFO_ESS) ? "ess" :
1816 (bp->capinfo & IEEE80211_CAPINFO_IBSS) ? "ibss" :
1818 fail & 0x02 ? '!' : ' ');
1820 (bp->capinfo & IEEE80211_CAPINFO_PRIVACY) ? "wep" :
1822 fail & 0x04 ? '!' : ' ');
1823 awi_print_essid(bp->essid);
1824 printf("%s\n", fail & 0x08 ? "!" : "");
1827 if (sbp == NULL || bp->rssi > sbp->rssi)
1834 (void)awi_set_ss(sc);
1838 awi_recv_beacon(sc, m0, rxts, rssi)
1839 struct awi_softc *sc;
1844 struct ieee80211_frame *wh;
1846 u_int8_t *frame, *eframe;
1847 u_int8_t *tstamp, *bintval, *capinfo, *ssid, *rates, *parms;
1849 if (sc->sc_status != AWI_ST_SCAN)
1851 wh = mtod(m0, struct ieee80211_frame *);
1853 frame = (u_int8_t *)&wh[1];
1854 eframe = mtod(m0, u_int8_t *) + m0->m_len;
1858 * beacon interval [2]
1859 * capability information [2]
1861 * supported rates [tlv]
1862 * parameter set [tlv]
1865 if (frame + 12 > eframe) {
1868 printf("awi_recv_beacon: frame too short \n");
1879 ssid = rates = parms = NULL;
1880 while (frame < eframe) {
1882 case IEEE80211_ELEMID_SSID:
1885 case IEEE80211_ELEMID_RATES:
1888 case IEEE80211_ELEMID_FHPARMS:
1889 case IEEE80211_ELEMID_DSPARMS:
1893 frame += frame[1] + 2;
1895 if (ssid == NULL || rates == NULL || parms == NULL) {
1898 printf("awi_recv_beacon: ssid=%p, rates=%p, parms=%p\n",
1899 ssid, rates, parms);
1903 if (ssid[1] > IEEE80211_NWID_LEN) {
1906 printf("awi_recv_beacon: bad ssid len: %d from %6D\n",
1907 ssid[1], wh->i_addr2, ":");
1912 for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
1913 bp = TAILQ_NEXT(bp, list)) {
1914 if (memcmp(bp->esrc, wh->i_addr2, ETHER_ADDR_LEN) == 0 &&
1915 memcmp(bp->bssid, wh->i_addr3, ETHER_ADDR_LEN) == 0)
1919 bp = malloc(sizeof(struct awi_bss), M_DEVBUF, M_INTWAIT);
1922 TAILQ_INSERT_TAIL(&sc->sc_scan, bp, list);
1923 memcpy(bp->esrc, wh->i_addr2, ETHER_ADDR_LEN);
1924 memcpy(bp->bssid, wh->i_addr3, ETHER_ADDR_LEN);
1925 memset(bp->essid, 0, sizeof(bp->essid));
1926 memcpy(bp->essid, ssid, 2 + ssid[1]);
1930 memcpy(bp->timestamp, tstamp, sizeof(bp->timestamp));
1931 bp->interval = LE_READ_2(bintval);
1932 bp->capinfo = LE_READ_2(capinfo);
1933 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
1934 bp->chanset = parms[4];
1935 bp->pattern = parms[5];
1936 bp->index = parms[6];
1937 bp->dwell_time = LE_READ_2(parms + 2);
1939 bp->chanset = parms[2];
1944 if (sc->sc_mgt_timer == 0)
1950 struct awi_softc *sc;
1952 struct ifnet *ifp = sc->sc_ifp;
1956 sc->sc_status = AWI_ST_SETSS;
1958 if (ifp->if_flags & IFF_DEBUG) {
1959 if_printf(ifp, "ch %d pat %d id %d dw %d iv %d bss %6D ssid ",
1960 bp->chanset, bp->pattern, bp->index, bp->dwell_time,
1961 bp->interval, bp->bssid, ":");
1962 awi_print_essid(bp->essid);
1965 memcpy(&sc->sc_mib_mgt.aCurrent_BSS_ID, bp->bssid, ETHER_ADDR_LEN);
1966 memcpy(&sc->sc_mib_mgt.aCurrent_ESS_ID, bp->essid,
1968 LE_WRITE_2(&sc->sc_mib_mgt.aBeacon_Period, bp->interval);
1969 error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT);
1975 struct awi_softc *sc;
1979 sc->sc_status = AWI_ST_SYNC;
1982 if (sc->sc_cmd_inprog) {
1983 if (awi_cmd_wait(sc))
1986 sc->sc_cmd_inprog = AWI_CMD_SYNC;
1987 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_SET, bp->chanset);
1988 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_PATTERN, bp->pattern);
1989 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_IDX, bp->index);
1990 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_STARTBSS,
1991 sc->sc_start_bss ? 1 : 0);
1992 awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_DWELL, bp->dwell_time);
1993 awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_MBZ, 0);
1994 awi_write_bytes(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_TIMESTAMP,
1996 awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_REFTIME, bp->rxtime);
1997 (void)awi_cmd(sc, AWI_CMD_SYNC);
2002 struct awi_softc *sc;
2004 struct ifnet *ifp = sc->sc_ifp;
2006 if (sc->sc_mib_local.Network_Mode) {
2007 awi_drvstate(sc, AWI_DRV_INFSY);
2008 awi_send_auth(sc, 1);
2010 if (ifp->if_flags & IFF_DEBUG) {
2011 if_printf(ifp, "synced with");
2012 if (sc->sc_no_bssid)
2013 printf(" no-bssid");
2015 printf(" %6D ssid ", sc->sc_bss.bssid, ":");
2016 awi_print_essid(sc->sc_bss.essid);
2018 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
2019 printf(" at chanset %d pattern %d\n",
2020 sc->sc_bss.chanset, sc->sc_bss.pattern);
2022 printf(" at channel %d\n", sc->sc_bss.chanset);
2024 awi_drvstate(sc, AWI_DRV_ADHSY);
2025 sc->sc_status = AWI_ST_RUNNING;
2026 ifp->if_flags |= IFF_RUNNING;
2033 struct awi_softc *sc;
2035 struct ifnet *ifp = sc->sc_ifp;
2037 struct ieee80211_frame *wh;
2040 MGETHDR(m, MB_DONTWAIT, MT_DATA);
2043 if (ifp->if_flags & IFF_DEBUG)
2044 if_printf(ifp, "sending deauth to %6D\n",
2045 sc->sc_bss.bssid, ":");
2047 wh = mtod(m, struct ieee80211_frame *);
2048 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
2049 IEEE80211_FC0_SUBTYPE_AUTH;
2050 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
2051 LE_WRITE_2(wh->i_dur, 0);
2052 LE_WRITE_2(wh->i_seq, 0);
2053 memcpy(wh->i_addr1, sc->sc_bss.bssid, ETHER_ADDR_LEN);
2054 memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
2055 memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
2057 deauth = (u_int8_t *)&wh[1];
2058 LE_WRITE_2(deauth, IEEE80211_REASON_AUTH_LEAVE);
2061 m->m_pkthdr.len = m->m_len = deauth - mtod(m, u_int8_t *);
2062 IF_ENQUEUE(&sc->sc_mgtq, m);
2064 awi_drvstate(sc, AWI_DRV_INFTOSS);
2068 awi_send_auth(sc, seq)
2069 struct awi_softc *sc;
2072 struct ifnet *ifp = sc->sc_ifp;
2074 struct ieee80211_frame *wh;
2077 MGETHDR(m, MB_DONTWAIT, MT_DATA);
2080 sc->sc_status = AWI_ST_AUTH;
2081 if (ifp->if_flags & IFF_DEBUG)
2082 if_printf(ifp, "sending auth to %6D\n",
2083 sc->sc_bss.bssid, ":");
2085 wh = mtod(m, struct ieee80211_frame *);
2086 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
2087 IEEE80211_FC0_SUBTYPE_AUTH;
2088 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
2089 LE_WRITE_2(wh->i_dur, 0);
2090 LE_WRITE_2(wh->i_seq, 0);
2091 memcpy(wh->i_addr1, sc->sc_bss.esrc, ETHER_ADDR_LEN);
2092 memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
2093 memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
2095 auth = (u_int8_t *)&wh[1];
2096 /* algorithm number */
2097 LE_WRITE_2(auth, IEEE80211_AUTH_ALG_OPEN);
2099 /* sequence number */
2100 LE_WRITE_2(auth, seq);
2103 LE_WRITE_2(auth, 0);
2106 m->m_pkthdr.len = m->m_len = auth - mtod(m, u_int8_t *);
2107 IF_ENQUEUE(&sc->sc_mgtq, m);
2110 sc->sc_mgt_timer = AWI_TRANS_TIMEOUT / 1000;
2115 awi_recv_auth(sc, m0)
2116 struct awi_softc *sc;
2119 struct ifnet *ifp = sc->sc_ifp;
2120 struct ieee80211_frame *wh;
2121 u_int8_t *auth, *eframe;
2125 wh = mtod(m0, struct ieee80211_frame *);
2126 auth = (u_int8_t *)&wh[1];
2127 eframe = mtod(m0, u_int8_t *) + m0->m_len;
2128 if (ifp->if_flags & IFF_DEBUG)
2129 if_printf(ifp, "receive auth from %6D\n", wh->i_addr2, ":");
2131 /* algorithm number */
2132 if (LE_READ_2(auth) != IEEE80211_AUTH_ALG_OPEN)
2135 if (!sc->sc_mib_local.Network_Mode) {
2136 if (sc->sc_status != AWI_ST_RUNNING)
2138 if (LE_READ_2(auth) == 1)
2139 awi_send_auth(sc, 2);
2142 if (sc->sc_status != AWI_ST_AUTH)
2144 /* sequence number */
2145 if (LE_READ_2(auth) != 2)
2149 status = LE_READ_2(auth);
2151 if_printf(ifp, "authentication failed (reason %d)\n", status);
2152 for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
2153 bp = TAILQ_NEXT(bp, list)) {
2154 if (memcmp(bp->esrc, sc->sc_bss.esrc, ETHER_ADDR_LEN)
2162 sc->sc_mgt_timer = 0;
2163 awi_drvstate(sc, AWI_DRV_INFAUTH);
2164 awi_send_asreq(sc, 0);
2168 awi_send_asreq(sc, reassoc)
2169 struct awi_softc *sc;
2172 struct ifnet *ifp = sc->sc_ifp;
2174 struct ieee80211_frame *wh;
2178 MGETHDR(m, MB_DONTWAIT, MT_DATA);
2181 sc->sc_status = AWI_ST_ASSOC;
2182 if (ifp->if_flags & IFF_DEBUG)
2183 if_printf(ifp, "sending %sassoc req to %6D\n",
2184 reassoc ? "re" : "", sc->sc_bss.bssid, ":");
2186 wh = mtod(m, struct ieee80211_frame *);
2187 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT;
2189 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_REASSOC_REQ;
2191 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_ASSOC_REQ;
2192 wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
2193 LE_WRITE_2(wh->i_dur, 0);
2194 LE_WRITE_2(wh->i_seq, 0);
2195 memcpy(wh->i_addr1, sc->sc_bss.esrc, ETHER_ADDR_LEN);
2196 memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
2197 memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
2199 asreq = (u_int8_t *)&wh[1];
2201 /* capability info */
2202 if (sc->sc_wep_algo == NULL)
2203 LE_WRITE_2(asreq, IEEE80211_CAPINFO_CF_POLLABLE);
2206 IEEE80211_CAPINFO_CF_POLLABLE | IEEE80211_CAPINFO_PRIVACY);
2208 /* listen interval */
2209 lintval = LE_READ_2(&sc->sc_mib_mgt.aListen_Interval);
2210 LE_WRITE_2(asreq, lintval);
2213 /* current AP address */
2214 memcpy(asreq, sc->sc_bss.bssid, ETHER_ADDR_LEN);
2215 asreq += ETHER_ADDR_LEN;
2218 memcpy(asreq, sc->sc_bss.essid, 2 + sc->sc_bss.essid[1]);
2219 asreq += 2 + asreq[1];
2220 /* supported rates */
2221 memcpy(asreq, &sc->sc_mib_phy.aSuprt_Data_Rates, 4);
2222 asreq += 2 + asreq[1];
2224 m->m_pkthdr.len = m->m_len = asreq - mtod(m, u_int8_t *);
2225 IF_ENQUEUE(&sc->sc_mgtq, m);
2228 sc->sc_mgt_timer = AWI_TRANS_TIMEOUT / 1000;
2233 awi_recv_asresp(sc, m0)
2234 struct awi_softc *sc;
2237 struct ifnet *ifp = sc->sc_ifp;
2238 struct ieee80211_frame *wh;
2239 u_int8_t *asresp, *eframe;
2241 u_int8_t rate, *phy_rates;
2245 wh = mtod(m0, struct ieee80211_frame *);
2246 asresp = (u_int8_t *)&wh[1];
2247 eframe = mtod(m0, u_int8_t *) + m0->m_len;
2248 if (ifp->if_flags & IFF_DEBUG)
2249 if_printf(ifp, "receive assoc resp from %6D\n",
2252 if (!sc->sc_mib_local.Network_Mode)
2255 if (sc->sc_status != AWI_ST_ASSOC)
2257 /* capability info */
2260 status = LE_READ_2(asresp);
2262 if_printf(ifp, "association failed (reason %d)\n", status);
2263 for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
2264 bp = TAILQ_NEXT(bp, list)) {
2265 if (memcmp(bp->esrc, sc->sc_bss.esrc, ETHER_ADDR_LEN)
2274 /* association id */
2276 /* supported rates */
2277 rate = AWI_RATE_1MBIT;
2278 for (i = 0; i < asresp[1]; i++) {
2279 if (AWI_80211_RATE(asresp[2 + i]) <= rate)
2281 phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
2282 for (j = 0; j < phy_rates[1]; j++) {
2283 if (AWI_80211_RATE(asresp[2 + i]) ==
2284 AWI_80211_RATE(phy_rates[2 + j]))
2285 rate = AWI_80211_RATE(asresp[2 + i]);
2288 if (ifp->if_flags & IFF_DEBUG) {
2289 if_printf(ifp, "associated with %6D ssid ",
2290 sc->sc_bss.bssid, ":");
2291 awi_print_essid(sc->sc_bss.essid);
2292 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
2293 printf(" chanset %d pattern %d\n",
2294 sc->sc_bss.chanset, sc->sc_bss.pattern);
2296 printf(" channel %d\n", sc->sc_bss.chanset);
2298 sc->sc_tx_rate = rate;
2299 sc->sc_mgt_timer = 0;
2300 sc->sc_rx_timer = 10;
2302 sc->sc_status = AWI_ST_RUNNING;
2303 ifp->if_flags |= IFF_RUNNING;
2304 awi_drvstate(sc, AWI_DRV_INFASSOC);
2309 awi_mib(sc, cmd, mib)
2310 struct awi_softc *sc;
2315 u_int8_t size, *ptr;
2319 ptr = (u_int8_t *)&sc->sc_mib_local;
2320 size = sizeof(sc->sc_mib_local);
2323 ptr = (u_int8_t *)&sc->sc_mib_addr;
2324 size = sizeof(sc->sc_mib_addr);
2327 ptr = (u_int8_t *)&sc->sc_mib_mac;
2328 size = sizeof(sc->sc_mib_mac);
2331 ptr = (u_int8_t *)&sc->sc_mib_stat;
2332 size = sizeof(sc->sc_mib_stat);
2335 ptr = (u_int8_t *)&sc->sc_mib_mgt;
2336 size = sizeof(sc->sc_mib_mgt);
2339 ptr = (u_int8_t *)&sc->sc_mib_phy;
2340 size = sizeof(sc->sc_mib_phy);
2345 if (sc->sc_cmd_inprog) {
2346 error = awi_cmd_wait(sc);
2348 if (error == EWOULDBLOCK)
2349 printf("awi_mib: cmd %d inprog",
2354 sc->sc_cmd_inprog = cmd;
2355 if (cmd == AWI_CMD_SET_MIB)
2356 awi_write_bytes(sc, AWI_CMD_PARAMS+AWI_CA_MIB_DATA, ptr, size);
2357 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_TYPE, mib);
2358 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_SIZE, size);
2359 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_INDEX, 0);
2360 error = awi_cmd(sc, cmd);
2363 if (cmd == AWI_CMD_GET_MIB) {
2364 awi_read_bytes(sc, AWI_CMD_PARAMS+AWI_CA_MIB_DATA, ptr, size);
2369 printf("awi_mib: #%d:", mib);
2370 for (i = 0; i < size; i++)
2371 printf(" %02x", ptr[i]);
2381 struct awi_softc *sc;
2386 if (sc->sc_active_scan)
2387 scan_mode = AWI_SCAN_ACTIVE;
2389 scan_mode = AWI_SCAN_PASSIVE;
2390 if (sc->sc_mib_mgt.aScan_Mode != scan_mode) {
2391 sc->sc_mib_mgt.aScan_Mode = scan_mode;
2392 error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT);
2396 if (sc->sc_cmd_inprog) {
2397 error = awi_cmd_wait(sc);
2401 sc->sc_cmd_inprog = AWI_CMD_SCAN;
2402 awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_DURATION,
2403 sc->sc_active_scan ? AWI_ASCAN_DURATION : AWI_PSCAN_DURATION);
2404 if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
2405 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SET,
2407 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_PATTERN,
2409 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_IDX, 1);
2411 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SET,
2413 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_PATTERN, 0);
2414 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_IDX, 0);
2416 awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SUSP, 0);
2417 return awi_cmd(sc, AWI_CMD_SCAN);
2422 struct awi_softc *sc;
2428 sc->sc_cmd_inprog = cmd;
2429 awi_write_1(sc, AWI_CMD_STATUS, AWI_STAT_IDLE);
2430 awi_write_1(sc, AWI_CMD, cmd);
2431 if (sc->sc_status != AWI_ST_INIT)
2433 error = awi_cmd_wait(sc);
2436 status = awi_read_1(sc, AWI_CMD_STATUS);
2437 awi_write_1(sc, AWI_CMD, 0);
2441 case AWI_STAT_BADPARM:
2444 if_printf(sc->sc_ifp, "command %d failed %x\n", cmd, status);
2452 struct awi_softc *sc;
2454 u_int8_t cmd, status;
2456 status = awi_read_1(sc, AWI_CMD_STATUS);
2457 if (status == AWI_STAT_IDLE)
2458 return; /* stray interrupt */
2460 cmd = sc->sc_cmd_inprog;
2461 sc->sc_cmd_inprog = 0;
2462 if (sc->sc_status == AWI_ST_INIT) {
2466 awi_write_1(sc, AWI_CMD, 0);
2468 if (status != AWI_STAT_OK) {
2469 if_printf(sc->sc_ifp, "command %d failed %x\n", cmd, status);
2472 switch (sc->sc_status) {
2474 if (cmd == AWI_CMD_SET_MIB)
2475 awi_cmd_scan(sc); /* retry */
2489 awi_next_txd(sc, len, framep, ntxdp)
2490 struct awi_softc *sc;
2492 u_int32_t *framep, *ntxdp;
2494 u_int32_t txd, ntxd, frame;
2496 txd = sc->sc_txnext;
2497 frame = txd + AWI_TXD_SIZE;
2498 if (frame + len > sc->sc_txend)
2499 frame = sc->sc_txbase;
2501 if (ntxd + AWI_TXD_SIZE > sc->sc_txend)
2502 ntxd = sc->sc_txbase;
2506 * Determine if there are any room in ring buffer.
2507 * --- send wait, === new data, +++ conflict (ENOBUFS)
2508 * base........................end
2509 * done----txd=====ntxd OK
2510 * --txd=====done++++ntxd-- full
2511 * --txd=====ntxd done-- OK
2512 * ==ntxd done----txd=== OK
2513 * ==done++++ntxd----txd=== full
2514 * ++ntxd txd=====done++ full
2517 if (txd < sc->sc_txdone && ntxd + AWI_TXD_SIZE > sc->sc_txdone)
2520 if (txd < sc->sc_txdone || ntxd + AWI_TXD_SIZE > sc->sc_txdone)
2528 struct awi_softc *sc;
2532 if (curproc == NULL) {
2535 * Though driver ioctl should be called with context,
2536 * KAME ipv6 stack calls ioctl in interrupt for now.
2537 * We simply abort the request if there are other
2538 * ioctl requests in progress.
2546 sc->sc_cansleep = 0;
2549 while (sc->sc_busy) {
2553 error = tsleep(sc, PCATCH, "awilck", 0);
2559 sc->sc_cansleep = 1;
2565 struct awi_softc *sc;
2568 sc->sc_cansleep = 0;
2569 if (sc->sc_sleep_cnt)
2575 struct awi_softc *sc;
2581 for (retry = 0; retry < 10; retry++) {
2582 for (i = 0; i < AWI_LOCKOUT_TIMEOUT*1000/5; i++) {
2583 status = awi_read_1(sc, AWI_LOCKOUT_HOST);
2590 awi_write_1(sc, AWI_LOCKOUT_MAC, 1);
2591 status = awi_read_1(sc, AWI_LOCKOUT_HOST);
2594 awi_write_1(sc, AWI_LOCKOUT_MAC, 0);
2597 if_printf(sc->sc_ifp, "failed to lock interrupt\n");
2605 struct awi_softc *sc;
2608 awi_write_1(sc, AWI_LOCKOUT_MAC, 0);
2613 struct awi_softc *sc;
2618 while (sc->sc_cmd_inprog) {
2621 if (awi_read_1(sc, AWI_CMD) != sc->sc_cmd_inprog) {
2622 if_printf(sc->sc_ifp, "failed to access hardware\n");
2626 if (sc->sc_cansleep) {
2628 error = tsleep(sc, 0, "awicmd",
2629 AWI_CMD_TIMEOUT*hz/1000);
2632 if (awi_read_1(sc, AWI_CMD_STATUS) != AWI_STAT_IDLE) {
2636 if (i++ >= AWI_CMD_TIMEOUT*1000/10)
2637 error = EWOULDBLOCK;
2648 awi_print_essid(essid)
2655 if (len > IEEE80211_NWID_LEN)
2656 len = IEEE80211_NWID_LEN; /*XXX*/
2657 /* determine printable or not */
2658 for (i = 0, p = essid + 2; i < len; i++, p++) {
2659 if (*p < ' ' || *p > 0x7e)
2664 for (i = 0, p = essid + 2; i < len; i++, p++)
2669 for (i = 0, p = essid + 2; i < len; i++, p++)
2676 awi_dump_pkt(sc, m, rssi)
2677 struct awi_softc *sc;
2681 struct ieee80211_frame *wh;
2684 wh = mtod(m, struct ieee80211_frame *);
2686 if (awi_dump_mask != 0 &&
2687 ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK)==IEEE80211_FC1_DIR_NODS) &&
2688 ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK)==IEEE80211_FC0_TYPE_MGT)) {
2689 if ((AWI_DUMP_MASK(wh->i_fc[0]) & awi_dump_mask) != 0)
2692 if (awi_dump_mask < 0 &&
2693 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK)==IEEE80211_FC0_TYPE_DATA)
2700 switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
2701 case IEEE80211_FC1_DIR_NODS:
2702 printf("NODS %6D->%6D(%6D)", wh->i_addr2, ":",
2703 wh->i_addr1, ":", wh->i_addr3, ":");
2705 case IEEE80211_FC1_DIR_TODS:
2706 printf("TODS %6D->%6D(%6D)", wh->i_addr2, ":",
2707 wh->i_addr3, ":", wh->i_addr1, ":");
2709 case IEEE80211_FC1_DIR_FROMDS:
2710 printf("FRDS %6D->%6D(%6D)", wh->i_addr3, ":",
2711 wh->i_addr1, ":", wh->i_addr2, ":");
2713 case IEEE80211_FC1_DIR_DSTODS:
2714 printf("DSDS %6D->%6D(%6D->%6D)", (u_int8_t *)&wh[1], ":",
2715 wh->i_addr3, ":", wh->i_addr2, ":", wh->i_addr1, ":");
2718 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
2719 case IEEE80211_FC0_TYPE_DATA:
2722 case IEEE80211_FC0_TYPE_MGT:
2723 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
2724 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2725 printf(" probe_req");
2727 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2728 printf(" probe_resp");
2730 case IEEE80211_FC0_SUBTYPE_BEACON:
2733 case IEEE80211_FC0_SUBTYPE_AUTH:
2736 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2737 printf(" assoc_req");
2739 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2740 printf(" assoc_resp");
2742 case IEEE80211_FC0_SUBTYPE_REASSOC_REQ:
2743 printf(" reassoc_req");
2745 case IEEE80211_FC0_SUBTYPE_REASSOC_RESP:
2746 printf(" reassoc_resp");
2748 case IEEE80211_FC0_SUBTYPE_DEAUTH:
2751 case IEEE80211_FC0_SUBTYPE_DISASSOC:
2752 printf(" disassoc");
2756 wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK);
2762 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK);
2765 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
2768 printf(" +%d", rssi);
2770 if (awi_dump_len > 0) {
2772 if (l > awi_dump_len + sizeof(*wh))
2773 l = awi_dump_len + sizeof(*wh);
2777 for (; i < l; i++) {
2780 printf("%02x", mtod(m, u_int8_t *)[i]);