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awi.c revision 1.28
      1  1.28  takemura /*	$NetBSD: awi.c,v 1.28 2000/11/26 11:08:57 takemura Exp $	*/
      2   1.3  sommerfe 
      3  1.19      onoe /*-
      4  1.19      onoe  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5   1.1  sommerfe  * All rights reserved.
      6   1.1  sommerfe  *
      7   1.1  sommerfe  * This code is derived from software contributed to The NetBSD Foundation
      8  1.19      onoe  * by Bill Sommerfeld
      9   1.1  sommerfe  *
     10   1.1  sommerfe  * Redistribution and use in source and binary forms, with or without
     11   1.1  sommerfe  * modification, are permitted provided that the following conditions
     12   1.1  sommerfe  * are met:
     13   1.1  sommerfe  * 1. Redistributions of source code must retain the above copyright
     14   1.1  sommerfe  *    notice, this list of conditions and the following disclaimer.
     15   1.1  sommerfe  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.1  sommerfe  *    notice, this list of conditions and the following disclaimer in the
     17   1.1  sommerfe  *    documentation and/or other materials provided with the distribution.
     18   1.1  sommerfe  * 3. All advertising materials mentioning features or use of this software
     19   1.1  sommerfe  *    must display the following acknowledgement:
     20  1.19      onoe  *        This product includes software developed by the NetBSD
     21  1.19      onoe  *        Foundation, Inc. and its contributors.
     22   1.1  sommerfe  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23   1.1  sommerfe  *    contributors may be used to endorse or promote products derived
     24   1.1  sommerfe  *    from this software without specific prior written permission.
     25   1.1  sommerfe  *
     26   1.1  sommerfe  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27   1.1  sommerfe  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28   1.1  sommerfe  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29   1.1  sommerfe  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30   1.1  sommerfe  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31   1.1  sommerfe  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32   1.1  sommerfe  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33   1.1  sommerfe  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34   1.1  sommerfe  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35   1.1  sommerfe  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36   1.1  sommerfe  * POSSIBILITY OF SUCH DAMAGE.
     37   1.1  sommerfe  */
     38  1.19      onoe /*
     39  1.19      onoe  * Driver for AMD 802.11 firmware.
     40  1.19      onoe  * Uses am79c930 chip driver to talk to firmware running on the am79c930.
     41  1.19      onoe  *
     42  1.19      onoe  * More-or-less a generic ethernet-like if driver, with 802.11 gorp added.
     43  1.19      onoe  */
     44  1.19      onoe 
     45  1.19      onoe /*
     46  1.19      onoe  * todo:
     47  1.19      onoe  *	- flush tx queue on resynch.
     48  1.19      onoe  *	- clear oactive on "down".
     49  1.19      onoe  *	- rewrite copy-into-mbuf code
     50  1.19      onoe  *	- mgmt state machine gets stuck retransmitting assoc requests.
     51  1.19      onoe  *	- multicast filter.
     52  1.19      onoe  *	- fix device reset so it's more likely to work
     53  1.19      onoe  *	- show status goo through ifmedia.
     54  1.19      onoe  *
     55  1.19      onoe  * more todo:
     56  1.19      onoe  *	- deal with more 802.11 frames.
     57  1.19      onoe  *		- send reassoc request
     58  1.19      onoe  *		- deal with reassoc response
     59  1.19      onoe  *		- send/deal with disassociation
     60  1.19      onoe  *	- deal with "full" access points (no room for me).
     61  1.19      onoe  *	- power save mode
     62  1.19      onoe  *
     63  1.19      onoe  * later:
     64  1.19      onoe  *	- SSID preferences
     65  1.19      onoe  *	- need ioctls for poking at the MIBs
     66  1.19      onoe  *	- implement ad-hoc mode (including bss creation).
     67  1.19      onoe  *	- decide when to do "ad hoc" vs. infrastructure mode (IFF_LINK flags?)
     68  1.19      onoe  *		(focus on inf. mode since that will be needed for ietf)
     69  1.19      onoe  *	- deal with DH vs. FH versions of the card
     70  1.19      onoe  *	- deal with faster cards (2mb/s)
     71  1.19      onoe  *	- ?WEP goo (mmm, rc4) (it looks not particularly useful).
     72  1.19      onoe  *	- ifmedia revision.
     73  1.19      onoe  *	- common 802.11 mibish things.
     74  1.19      onoe  *	- common 802.11 media layer.
     75  1.19      onoe  */
     76  1.10      onoe 
     77   1.1  sommerfe /*
     78  1.10      onoe  * Driver for AMD 802.11 PCnetMobile firmware.
     79   1.1  sommerfe  * Uses am79c930 chip driver to talk to firmware running on the am79c930.
     80   1.1  sommerfe  *
     81  1.10      onoe  * The initial version of the driver was written by
     82  1.10      onoe  * Bill Sommerfeld <sommerfeld (at) netbsd.org>.
     83  1.10      onoe  * Then the driver module completely rewritten to support cards with DS phy
     84  1.10      onoe  * and to support adhoc mode by Atsushi Onoe <onoe (at) netbsd.org>
     85   1.1  sommerfe  */
     86   1.1  sommerfe 
     87   1.1  sommerfe #include "opt_inet.h"
     88  1.18      onoe #if defined(__FreeBSD__) && __FreeBSD__ >= 4
     89  1.20      onoe #define	NBPFILTER	1
     90  1.20      onoe #elif defined(__FreeBSD__) && __FreeBSD__ >= 3
     91  1.10      onoe #include "bpf.h"
     92  1.10      onoe #define	NBPFILTER	NBPF
     93  1.10      onoe #else
     94  1.10      onoe #include "bpfilter.h"
     95  1.10      onoe #endif
     96   1.1  sommerfe 
     97   1.1  sommerfe #include <sys/param.h>
     98   1.1  sommerfe #include <sys/systm.h>
     99   1.1  sommerfe #include <sys/kernel.h>
    100   1.1  sommerfe #include <sys/mbuf.h>
    101  1.10      onoe #include <sys/malloc.h>
    102  1.10      onoe #include <sys/proc.h>
    103   1.1  sommerfe #include <sys/socket.h>
    104  1.10      onoe #include <sys/sockio.h>
    105   1.1  sommerfe #include <sys/errno.h>
    106   1.1  sommerfe #include <sys/syslog.h>
    107  1.10      onoe #if defined(__FreeBSD__) && __FreeBSD__ >= 4
    108  1.10      onoe #include <sys/bus.h>
    109  1.10      onoe #else
    110   1.1  sommerfe #include <sys/device.h>
    111  1.10      onoe #endif
    112   1.1  sommerfe 
    113   1.1  sommerfe #include <net/if.h>
    114   1.1  sommerfe #include <net/if_dl.h>
    115  1.10      onoe #ifdef __FreeBSD__
    116  1.10      onoe #include <net/ethernet.h>
    117  1.10      onoe #else
    118   1.1  sommerfe #include <net/if_ether.h>
    119  1.10      onoe #endif
    120   1.1  sommerfe #include <net/if_media.h>
    121  1.10      onoe #include <net/if_llc.h>
    122  1.10      onoe #include <net/if_ieee80211.h>
    123   1.1  sommerfe 
    124   1.1  sommerfe #ifdef INET
    125   1.1  sommerfe #include <netinet/in.h>
    126   1.1  sommerfe #include <netinet/in_systm.h>
    127   1.1  sommerfe #include <netinet/in_var.h>
    128   1.1  sommerfe #include <netinet/ip.h>
    129  1.10      onoe #ifdef __NetBSD__
    130   1.1  sommerfe #include <netinet/if_inarp.h>
    131  1.10      onoe #else
    132  1.10      onoe #include <netinet/if_ether.h>
    133  1.10      onoe #endif
    134   1.1  sommerfe #endif
    135   1.1  sommerfe 
    136   1.1  sommerfe #if NBPFILTER > 0
    137   1.1  sommerfe #include <net/bpf.h>
    138   1.1  sommerfe #include <net/bpfdesc.h>
    139   1.1  sommerfe #endif
    140   1.1  sommerfe 
    141   1.1  sommerfe #include <machine/cpu.h>
    142   1.1  sommerfe #include <machine/bus.h>
    143  1.10      onoe #ifdef __NetBSD__
    144   1.1  sommerfe #include <machine/intr.h>
    145  1.10      onoe #endif
    146  1.10      onoe #ifdef __FreeBSD__
    147  1.10      onoe #include <machine/clock.h>
    148  1.10      onoe #endif
    149   1.1  sommerfe 
    150  1.10      onoe #ifdef __NetBSD__
    151   1.1  sommerfe #include <dev/ic/am79c930reg.h>
    152   1.1  sommerfe #include <dev/ic/am79c930var.h>
    153   1.1  sommerfe #include <dev/ic/awireg.h>
    154   1.1  sommerfe #include <dev/ic/awivar.h>
    155  1.10      onoe #endif
    156  1.10      onoe #ifdef __FreeBSD__
    157  1.10      onoe #include <dev/awi/am79c930reg.h>
    158  1.10      onoe #include <dev/awi/am79c930var.h>
    159  1.10      onoe #include <dev/awi/awireg.h>
    160  1.10      onoe #include <dev/awi/awivar.h>
    161  1.10      onoe #endif
    162  1.10      onoe 
    163  1.10      onoe static int awi_ioctl __P((struct ifnet *ifp, u_long cmd, caddr_t data));
    164  1.10      onoe #ifdef IFM_IEEE80211
    165  1.10      onoe static int awi_media_rate2opt __P((struct awi_softc *sc, int rate));
    166  1.10      onoe static int awi_media_opt2rate __P((struct awi_softc *sc, int opt));
    167  1.10      onoe static int awi_media_change __P((struct ifnet *ifp));
    168  1.10      onoe static void awi_media_status __P((struct ifnet *ifp, struct ifmediareq *imr));
    169  1.10      onoe #endif
    170  1.10      onoe static void awi_watchdog __P((struct ifnet *ifp));
    171  1.10      onoe static void awi_start __P((struct ifnet *ifp));
    172  1.10      onoe static void awi_txint __P((struct awi_softc *sc));
    173  1.10      onoe static struct mbuf * awi_fix_txhdr __P((struct awi_softc *sc, struct mbuf *m0));
    174  1.10      onoe static struct mbuf * awi_fix_rxhdr __P((struct awi_softc *sc, struct mbuf *m0));
    175  1.10      onoe static void awi_input __P((struct awi_softc *sc, struct mbuf *m, u_int32_t rxts, u_int8_t rssi));
    176  1.10      onoe static void awi_rxint __P((struct awi_softc *sc));
    177  1.18      onoe static struct mbuf * awi_devget __P((struct awi_softc *sc, u_int32_t off, u_int16_t len));
    178  1.10      onoe static int awi_init_hw __P((struct awi_softc *sc));
    179  1.10      onoe static int awi_init_mibs __P((struct awi_softc *sc));
    180  1.10      onoe static int awi_init_txrx __P((struct awi_softc *sc));
    181  1.10      onoe static void awi_stop_txrx __P((struct awi_softc *sc));
    182  1.10      onoe static int awi_start_scan __P((struct awi_softc *sc));
    183  1.10      onoe static int awi_next_scan __P((struct awi_softc *sc));
    184  1.10      onoe static void awi_stop_scan __P((struct awi_softc *sc));
    185  1.10      onoe static void awi_recv_beacon __P((struct awi_softc *sc, struct mbuf *m0, u_int32_t rxts, u_int8_t rssi));
    186  1.10      onoe static int awi_set_ss __P((struct awi_softc *sc));
    187  1.10      onoe static void awi_try_sync __P((struct awi_softc *sc));
    188  1.10      onoe static void awi_sync_done __P((struct awi_softc *sc));
    189  1.10      onoe static void awi_send_deauth __P((struct awi_softc *sc));
    190  1.20      onoe static void awi_send_auth __P((struct awi_softc *sc, int seq));
    191  1.10      onoe static void awi_recv_auth __P((struct awi_softc *sc, struct mbuf *m0));
    192  1.10      onoe static void awi_send_asreq __P((struct awi_softc *sc, int reassoc));
    193  1.10      onoe static void awi_recv_asresp __P((struct awi_softc *sc, struct mbuf *m0));
    194  1.10      onoe static int awi_mib __P((struct awi_softc *sc, u_int8_t cmd, u_int8_t mib));
    195  1.10      onoe static int awi_cmd_scan __P((struct awi_softc *sc));
    196  1.10      onoe static int awi_cmd __P((struct awi_softc *sc, u_int8_t cmd));
    197  1.10      onoe static void awi_cmd_done __P((struct awi_softc *sc));
    198  1.10      onoe static int awi_next_txd __P((struct awi_softc *sc, int len, u_int32_t *framep, u_int32_t*ntxdp));
    199  1.10      onoe static int awi_lock __P((struct awi_softc *sc));
    200  1.10      onoe static void awi_unlock __P((struct awi_softc *sc));
    201  1.10      onoe static int awi_intr_lock __P((struct awi_softc *sc));
    202  1.10      onoe static void awi_intr_unlock __P((struct awi_softc *sc));
    203  1.10      onoe static int awi_cmd_wait __P((struct awi_softc *sc));
    204  1.20      onoe static void awi_print_essid __P((u_int8_t *essid));
    205  1.10      onoe 
    206  1.10      onoe #ifdef AWI_DEBUG
    207  1.20      onoe static void awi_dump_pkt __P((struct awi_softc *sc, struct mbuf *m, int rssi));
    208  1.10      onoe int awi_verbose = 0;
    209  1.10      onoe int awi_dump = 0;
    210  1.10      onoe #define	AWI_DUMP_MASK(fc0)  (1 << (((fc0) & IEEE80211_FC0_SUBTYPE_MASK) >> 4))
    211  1.10      onoe int awi_dump_mask = AWI_DUMP_MASK(IEEE80211_FC0_SUBTYPE_BEACON);
    212  1.10      onoe int awi_dump_hdr = 0;
    213  1.10      onoe int awi_dump_len = 28;
    214  1.10      onoe #endif
    215   1.1  sommerfe 
    216  1.10      onoe #if NBPFILTER > 0
    217  1.10      onoe #define	AWI_BPF_NORM	0
    218  1.10      onoe #define	AWI_BPF_RAW	1
    219  1.10      onoe #ifdef __FreeBSD__
    220  1.10      onoe #define	AWI_BPF_MTAP(sc, m, raw) do {					\
    221  1.10      onoe 	if ((sc)->sc_ifp->if_bpf && (sc)->sc_rawbpf == (raw))		\
    222  1.10      onoe 		bpf_mtap((sc)->sc_ifp, (m));				\
    223  1.10      onoe } while (0);
    224  1.10      onoe #else
    225  1.10      onoe #define	AWI_BPF_MTAP(sc, m, raw) do {					\
    226  1.10      onoe 	if ((sc)->sc_ifp->if_bpf && (sc)->sc_rawbpf == (raw))		\
    227  1.10      onoe 		bpf_mtap((sc)->sc_ifp->if_bpf, (m));			\
    228  1.10      onoe } while (0);
    229  1.10      onoe #endif
    230  1.10      onoe #else
    231  1.10      onoe #define	AWI_BPF_MTAP(sc, m, raw)
    232  1.10      onoe #endif
    233   1.1  sommerfe 
    234  1.10      onoe #ifndef llc_snap
    235  1.10      onoe #define llc_snap              llc_un.type_snap
    236  1.10      onoe #endif
    237   1.8  sommerfe 
    238  1.10      onoe #ifdef __FreeBSD__
    239  1.10      onoe #if __FreeBSD__ >= 4
    240  1.10      onoe devclass_t awi_devclass;
    241  1.10      onoe #endif
    242   1.1  sommerfe 
    243  1.10      onoe /* NetBSD compatible functions  */
    244  1.10      onoe static char * ether_sprintf __P((u_int8_t *));
    245   1.5  sommerfe 
    246  1.10      onoe static char *
    247  1.10      onoe ether_sprintf(enaddr)
    248  1.10      onoe 	u_int8_t *enaddr;
    249  1.10      onoe {
    250  1.10      onoe 	static char strbuf[18];
    251   1.1  sommerfe 
    252  1.10      onoe 	sprintf(strbuf, "%6D", enaddr, ":");
    253  1.10      onoe 	return strbuf;
    254  1.10      onoe }
    255  1.10      onoe #endif
    256   1.1  sommerfe 
    257  1.10      onoe int
    258  1.10      onoe awi_attach(sc)
    259   1.1  sommerfe 	struct awi_softc *sc;
    260   1.1  sommerfe {
    261   1.1  sommerfe 	struct ifnet *ifp = sc->sc_ifp;
    262  1.18      onoe 	int s;
    263  1.18      onoe 	int error;
    264  1.10      onoe #ifdef IFM_IEEE80211
    265  1.10      onoe 	int i;
    266  1.10      onoe 	u_int8_t *phy_rates;
    267  1.10      onoe 	int mword;
    268  1.10      onoe 	struct ifmediareq imr;
    269  1.10      onoe #endif
    270   1.1  sommerfe 
    271  1.10      onoe 	s = splnet();
    272  1.10      onoe 	/*
    273  1.10      onoe 	 * Even if we can sleep in initialization state,
    274  1.10      onoe 	 * all other processes (e.g. ifconfig) have to wait for
    275  1.10      onoe 	 * completion of attaching interface.
    276  1.10      onoe 	 */
    277  1.10      onoe 	sc->sc_busy = 1;
    278  1.10      onoe 	sc->sc_status = AWI_ST_INIT;
    279  1.10      onoe 	TAILQ_INIT(&sc->sc_scan);
    280  1.10      onoe 	error = awi_init_hw(sc);
    281  1.10      onoe 	if (error) {
    282  1.10      onoe 		sc->sc_invalid = 1;
    283  1.10      onoe 		splx(s);
    284  1.10      onoe 		return error;
    285  1.10      onoe 	}
    286  1.10      onoe 	error = awi_init_mibs(sc);
    287  1.10      onoe 	splx(s);
    288  1.10      onoe 	if (error) {
    289  1.10      onoe 		sc->sc_invalid = 1;
    290  1.10      onoe 		return error;
    291  1.10      onoe 	}
    292   1.1  sommerfe 
    293  1.10      onoe 	ifp->if_softc = sc;
    294  1.10      onoe 	ifp->if_start = awi_start;
    295  1.10      onoe 	ifp->if_ioctl = awi_ioctl;
    296  1.10      onoe 	ifp->if_watchdog = awi_watchdog;
    297  1.10      onoe 	ifp->if_mtu = ETHERMTU;
    298  1.10      onoe 	ifp->if_hdrlen = sizeof(struct ieee80211_frame) +
    299  1.10      onoe 	    sizeof(struct ether_header);
    300  1.10      onoe 	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
    301  1.10      onoe #ifdef IFF_NOTRAILERS
    302  1.10      onoe 	ifp->if_flags |= IFF_NOTRAILERS;
    303  1.10      onoe #endif
    304  1.10      onoe #ifdef __NetBSD__
    305  1.10      onoe 	memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ);
    306  1.10      onoe #endif
    307  1.10      onoe #ifdef __FreeBSD__
    308  1.10      onoe 	ifp->if_output = ether_output;
    309  1.10      onoe 	ifp->if_snd.ifq_maxlen = ifqmaxlen;
    310  1.10      onoe 	memcpy(sc->sc_ec.ac_enaddr, sc->sc_mib_addr.aMAC_Address,
    311  1.10      onoe 	    ETHER_ADDR_LEN);
    312  1.10      onoe #endif
    313   1.1  sommerfe 
    314  1.18      onoe 	printf("%s: IEEE802.11 %s %dMbps (firmware %s)\n",
    315  1.10      onoe 	    sc->sc_dev.dv_xname,
    316  1.10      onoe 	    sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH ? "FH" : "DS",
    317  1.18      onoe 	    sc->sc_tx_rate / 10, sc->sc_banner);
    318  1.18      onoe 	printf("%s: address %s\n",
    319  1.18      onoe 	    sc->sc_dev.dv_xname,  ether_sprintf(sc->sc_mib_addr.aMAC_Address));
    320  1.10      onoe 	if_attach(ifp);
    321  1.10      onoe #ifdef __FreeBSD__
    322  1.10      onoe 	ether_ifattach(ifp);
    323  1.10      onoe #if NBPFILTER > 0
    324  1.10      onoe 	bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
    325  1.10      onoe #endif
    326  1.10      onoe #else
    327  1.10      onoe 	ether_ifattach(ifp, sc->sc_mib_addr.aMAC_Address);
    328  1.10      onoe #endif
    329   1.1  sommerfe 
    330  1.10      onoe #ifdef IFM_IEEE80211
    331  1.10      onoe 	ifmedia_init(&sc->sc_media, 0, awi_media_change, awi_media_status);
    332  1.10      onoe 	phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
    333  1.10      onoe 	for (i = 0; i < phy_rates[1]; i++) {
    334  1.10      onoe 		mword = awi_media_rate2opt(sc, AWI_80211_RATE(phy_rates[2 + i]));
    335  1.10      onoe 		if (mword == 0)
    336  1.10      onoe 			continue;
    337  1.10      onoe 		mword |= IFM_IEEE80211;
    338  1.10      onoe 		ifmedia_add(&sc->sc_media, mword, 0, NULL);
    339  1.10      onoe 		ifmedia_add(&sc->sc_media,
    340  1.10      onoe 		    mword | IFM_IEEE80211_ADHOC, 0, NULL);
    341  1.20      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_FH)
    342  1.20      onoe 			ifmedia_add(&sc->sc_media,
    343  1.20      onoe 			    mword | IFM_IEEE80211_ADHOC | IFM_FLAG0, 0, NULL);
    344   1.1  sommerfe 	}
    345  1.10      onoe 	awi_media_status(ifp, &imr);
    346  1.10      onoe 	ifmedia_set(&sc->sc_media, imr.ifm_active);
    347   1.1  sommerfe #endif
    348   1.1  sommerfe 
    349  1.10      onoe 	/* ready to accept ioctl */
    350  1.10      onoe 	awi_unlock(sc);
    351  1.17     jhawk 
    352  1.17     jhawk 	/* Attach is successful. */
    353  1.17     jhawk 	sc->sc_attached = 1;
    354  1.10      onoe 	return 0;
    355   1.1  sommerfe }
    356   1.1  sommerfe 
    357  1.10      onoe #ifdef __NetBSD__
    358  1.10      onoe int
    359  1.10      onoe awi_detach(sc)
    360   1.1  sommerfe 	struct awi_softc *sc;
    361   1.1  sommerfe {
    362  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
    363  1.10      onoe 	int s;
    364  1.17     jhawk 
    365  1.17     jhawk 	/* Succeed if there is no work to do. */
    366  1.17     jhawk 	if (!sc->sc_attached)
    367  1.17     jhawk 		return (0);
    368   1.1  sommerfe 
    369  1.10      onoe 	s = splnet();
    370  1.10      onoe 	sc->sc_invalid = 1;
    371  1.10      onoe 	awi_stop(sc);
    372  1.10      onoe 	while (sc->sc_sleep_cnt > 0) {
    373  1.10      onoe 		wakeup(sc);
    374  1.10      onoe 		(void)tsleep(sc, PWAIT, "awidet", 1);
    375   1.1  sommerfe 	}
    376  1.18      onoe 	if (sc->sc_wep_ctx != NULL)
    377  1.18      onoe 		free(sc->sc_wep_ctx, M_DEVBUF);
    378  1.10      onoe #ifdef IFM_IEEE80211
    379  1.10      onoe 	ifmedia_delete_instance(&sc->sc_media, IFM_INST_ANY);
    380   1.1  sommerfe #endif
    381  1.10      onoe 	ether_ifdetach(ifp);
    382  1.10      onoe 	if_detach(ifp);
    383  1.10      onoe 	if (sc->sc_enabled) {
    384  1.10      onoe 		if (sc->sc_disable)
    385  1.10      onoe 			(*sc->sc_disable)(sc);
    386  1.10      onoe 		sc->sc_enabled = 0;
    387   1.1  sommerfe 	}
    388  1.10      onoe 	splx(s);
    389  1.10      onoe 	return 0;
    390   1.1  sommerfe }
    391   1.1  sommerfe 
    392   1.1  sommerfe int
    393  1.10      onoe awi_activate(self, act)
    394  1.10      onoe 	struct device *self;
    395  1.10      onoe 	enum devact act;
    396   1.1  sommerfe {
    397  1.10      onoe 	struct awi_softc *sc = (struct awi_softc *)self;
    398  1.10      onoe 	int s, error = 0;
    399  1.10      onoe 
    400  1.10      onoe 	s = splnet();
    401  1.10      onoe 	switch (act) {
    402  1.10      onoe 	case DVACT_ACTIVATE:
    403  1.10      onoe 		error = EOPNOTSUPP;
    404  1.10      onoe 		break;
    405  1.10      onoe 
    406  1.10      onoe 	case DVACT_DEACTIVATE:
    407  1.10      onoe 		sc->sc_invalid = 1;
    408  1.13    itojun 		if (sc->sc_ifp)
    409  1.13    itojun 			if_deactivate(sc->sc_ifp);
    410  1.10      onoe 		break;
    411   1.1  sommerfe 	}
    412  1.10      onoe 	splx(s);
    413  1.10      onoe 
    414  1.10      onoe 	return error;
    415   1.1  sommerfe }
    416   1.1  sommerfe 
    417   1.1  sommerfe void
    418  1.18      onoe awi_power(sc, why)
    419   1.1  sommerfe 	struct awi_softc *sc;
    420  1.18      onoe 	int why;
    421   1.1  sommerfe {
    422  1.10      onoe 	int s;
    423  1.18      onoe 	int ocansleep;
    424  1.10      onoe 
    425  1.10      onoe 	if (!sc->sc_enabled)
    426  1.10      onoe 		return;
    427  1.18      onoe 
    428  1.10      onoe 	s = splnet();
    429  1.18      onoe 	ocansleep = sc->sc_cansleep;
    430  1.18      onoe 	sc->sc_cansleep = 0;
    431  1.18      onoe #ifdef needtobefixed	/*ONOE*/
    432  1.28  takemura 	switch (why) {
    433  1.28  takemura 	case PWR_SUSPEND:
    434  1.28  takemura 	case PWR_STANDBY:
    435  1.28  takemura 		awi_stop(sc);
    436  1.28  takemura 		if (sc->sc_disable)
    437  1.28  takemura 			(*sc->sc_disable)(sc);
    438  1.28  takemura 		break;
    439  1.28  takemura 	case PWR_RESUME:
    440  1.18      onoe 		sc->sc_enabled = 0;
    441  1.18      onoe 		awi_init(sc);
    442  1.18      onoe 		(void)awi_intr(sc);
    443  1.28  takemura 		break;
    444  1.28  takemura 	case PWR_SOFTSUSPEND:
    445  1.28  takemura 	case PWR_SOFTSTANDBY:
    446  1.28  takemura 	case PWR_SOFTRESUME:
    447  1.28  takemura 		break;
    448  1.18      onoe 	}
    449  1.18      onoe #endif
    450  1.18      onoe 	sc->sc_cansleep = ocansleep;
    451  1.10      onoe 	splx(s);
    452   1.1  sommerfe }
    453  1.18      onoe #endif /* __NetBSD__ */
    454   1.1  sommerfe 
    455  1.10      onoe static int
    456  1.10      onoe awi_ioctl(ifp, cmd, data)
    457  1.10      onoe 	struct ifnet *ifp;
    458  1.10      onoe 	u_long cmd;
    459  1.10      onoe 	caddr_t data;
    460  1.10      onoe {
    461  1.10      onoe 	struct awi_softc *sc = ifp->if_softc;
    462  1.10      onoe 	struct ifreq *ifr = (struct ifreq *)data;
    463  1.10      onoe 	struct ifaddr *ifa = (struct ifaddr *)data;
    464  1.10      onoe 	int s, error;
    465  1.21      onoe 	struct ieee80211_nwid nwid;
    466  1.10      onoe 	u_int8_t *p;
    467   1.1  sommerfe 
    468  1.10      onoe 	s = splnet();
    469   1.1  sommerfe 
    470  1.10      onoe 	/* serialize ioctl */
    471  1.10      onoe 	error = awi_lock(sc);
    472  1.10      onoe 	if (error)
    473  1.10      onoe 		goto cantlock;
    474  1.10      onoe 	switch (cmd) {
    475  1.10      onoe 	case SIOCSIFADDR:
    476  1.10      onoe 		ifp->if_flags |= IFF_UP;
    477  1.10      onoe 		switch (ifa->ifa_addr->sa_family) {
    478  1.10      onoe #ifdef INET
    479  1.10      onoe 		case AF_INET:
    480  1.10      onoe 			arp_ifinit((void *)ifp, ifa);
    481  1.10      onoe 			break;
    482  1.10      onoe #endif
    483   1.1  sommerfe 		}
    484  1.10      onoe 		/* FALLTHROUGH */
    485  1.10      onoe 	case SIOCSIFFLAGS:
    486  1.10      onoe 		sc->sc_format_llc = !(ifp->if_flags & IFF_LINK0);
    487  1.10      onoe 		if (!(ifp->if_flags & IFF_UP)) {
    488  1.10      onoe 			if (sc->sc_enabled) {
    489  1.10      onoe 				awi_stop(sc);
    490  1.10      onoe 				if (sc->sc_disable)
    491  1.10      onoe 					(*sc->sc_disable)(sc);
    492  1.10      onoe 				sc->sc_enabled = 0;
    493  1.10      onoe 			}
    494   1.1  sommerfe 			break;
    495  1.10      onoe 		}
    496  1.10      onoe 		error = awi_init(sc);
    497  1.10      onoe 		break;
    498   1.1  sommerfe 
    499  1.10      onoe 	case SIOCADDMULTI:
    500  1.10      onoe 	case SIOCDELMULTI:
    501  1.10      onoe #ifdef __FreeBSD__
    502  1.10      onoe 		error = ENETRESET;	/*XXX*/
    503  1.10      onoe #else
    504  1.10      onoe 		error = (cmd == SIOCADDMULTI) ?
    505  1.10      onoe 		    ether_addmulti(ifr, &sc->sc_ec) :
    506  1.10      onoe 		    ether_delmulti(ifr, &sc->sc_ec);
    507  1.10      onoe #endif
    508  1.18      onoe 		/*
    509  1.18      onoe 		 * Do not rescan BSS.  Rather, just reset multicast filter.
    510  1.18      onoe 		 */
    511  1.10      onoe 		if (error == ENETRESET) {
    512  1.10      onoe 			if (sc->sc_enabled)
    513  1.10      onoe 				error = awi_init(sc);
    514  1.10      onoe 			else
    515  1.10      onoe 				error = 0;
    516  1.10      onoe 		}
    517  1.10      onoe 		break;
    518  1.10      onoe 	case SIOCSIFMTU:
    519  1.10      onoe 		if (ifr->ifr_mtu > ETHERMTU)
    520  1.10      onoe 			error = EINVAL;
    521  1.10      onoe 		else
    522  1.10      onoe 			ifp->if_mtu = ifr->ifr_mtu;
    523  1.10      onoe 		break;
    524  1.10      onoe 	case SIOCS80211NWID:
    525  1.21      onoe 		error = copyin(ifr->ifr_data, &nwid, sizeof(nwid));
    526  1.10      onoe 		if (error)
    527  1.10      onoe 			break;
    528  1.21      onoe 		if (nwid.i_len > IEEE80211_NWID_LEN) {
    529  1.10      onoe 			error = EINVAL;
    530  1.10      onoe 			break;
    531  1.10      onoe 		}
    532  1.21      onoe 		if (sc->sc_mib_mac.aDesired_ESS_ID[1] == nwid.i_len &&
    533  1.21      onoe 		    memcmp(&sc->sc_mib_mac.aDesired_ESS_ID[2], nwid.i_nwid,
    534  1.21      onoe 		    nwid.i_len) == 0)
    535   1.1  sommerfe 			break;
    536  1.10      onoe 		memset(sc->sc_mib_mac.aDesired_ESS_ID, 0, AWI_ESS_ID_SIZE);
    537  1.10      onoe 		sc->sc_mib_mac.aDesired_ESS_ID[0] = IEEE80211_ELEMID_SSID;
    538  1.21      onoe 		sc->sc_mib_mac.aDesired_ESS_ID[1] = nwid.i_len;
    539  1.21      onoe 		memcpy(&sc->sc_mib_mac.aDesired_ESS_ID[2], nwid.i_nwid,
    540  1.21      onoe 		    nwid.i_len);
    541  1.10      onoe 		if (sc->sc_enabled) {
    542  1.10      onoe 			awi_stop(sc);
    543  1.10      onoe 			error = awi_init(sc);
    544  1.10      onoe 		}
    545  1.10      onoe 		break;
    546  1.10      onoe 	case SIOCG80211NWID:
    547  1.10      onoe 		if (ifp->if_flags & IFF_RUNNING)
    548  1.10      onoe 			p = sc->sc_bss.essid;
    549  1.10      onoe 		else
    550  1.10      onoe 			p = sc->sc_mib_mac.aDesired_ESS_ID;
    551  1.21      onoe 		error = copyout(p + 1, ifr->ifr_data, 1 + IEEE80211_NWID_LEN);
    552  1.10      onoe 		break;
    553  1.26      onoe 	case SIOCS80211NWKEY:
    554  1.26      onoe 		error = awi_wep_setnwkey(sc, (struct ieee80211_nwkey *)data);
    555  1.26      onoe 		break;
    556  1.26      onoe 	case SIOCG80211NWKEY:
    557  1.26      onoe 		error = awi_wep_getnwkey(sc, (struct ieee80211_nwkey *)data);
    558  1.26      onoe 		break;
    559  1.10      onoe #ifdef IFM_IEEE80211
    560  1.10      onoe 	case SIOCSIFMEDIA:
    561  1.10      onoe 	case SIOCGIFMEDIA:
    562  1.10      onoe 		error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd);
    563  1.10      onoe 		break;
    564  1.10      onoe #endif
    565  1.10      onoe 	default:
    566  1.18      onoe 		error = awi_wicfg(ifp, cmd, data);
    567  1.10      onoe 		break;
    568   1.1  sommerfe 	}
    569  1.10      onoe 	awi_unlock(sc);
    570  1.10      onoe   cantlock:
    571  1.10      onoe 	splx(s);
    572  1.10      onoe 	return error;
    573   1.1  sommerfe }
    574   1.1  sommerfe 
    575  1.10      onoe #ifdef IFM_IEEE80211
    576  1.10      onoe static int
    577  1.10      onoe awi_media_rate2opt(sc, rate)
    578   1.1  sommerfe 	struct awi_softc *sc;
    579  1.10      onoe 	int rate;
    580   1.1  sommerfe {
    581  1.10      onoe 	int mword;
    582  1.10      onoe 
    583  1.10      onoe 	mword = 0;
    584  1.10      onoe 	switch (rate) {
    585  1.10      onoe 	case 10:
    586  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
    587  1.10      onoe 			mword = IFM_IEEE80211_FH1;
    588  1.10      onoe 		else
    589  1.10      onoe 			mword = IFM_IEEE80211_DS1;
    590  1.10      onoe 		break;
    591  1.10      onoe 	case 20:
    592  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
    593  1.10      onoe 			mword = IFM_IEEE80211_FH2;
    594  1.10      onoe 		else
    595  1.10      onoe 			mword = IFM_IEEE80211_DS2;
    596  1.10      onoe 		break;
    597  1.10      onoe 	case 55:
    598  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_DS)
    599  1.10      onoe 			mword = IFM_IEEE80211_DS5;
    600  1.10      onoe 		break;
    601  1.10      onoe 	case 110:
    602  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_DS)
    603  1.10      onoe 			mword = IFM_IEEE80211_DS11;
    604  1.10      onoe 		break;
    605  1.10      onoe 	}
    606  1.10      onoe 	return mword;
    607   1.1  sommerfe }
    608   1.1  sommerfe 
    609  1.10      onoe static int
    610  1.10      onoe awi_media_opt2rate(sc, opt)
    611   1.1  sommerfe 	struct awi_softc *sc;
    612  1.10      onoe 	int opt;
    613   1.1  sommerfe {
    614  1.10      onoe 	int rate;
    615   1.1  sommerfe 
    616  1.10      onoe 	rate = 0;
    617  1.10      onoe 	switch (IFM_SUBTYPE(opt)) {
    618  1.10      onoe 	case IFM_IEEE80211_FH1:
    619  1.10      onoe 	case IFM_IEEE80211_FH2:
    620  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_FH)
    621  1.10      onoe 			return 0;
    622  1.10      onoe 		break;
    623  1.10      onoe 	case IFM_IEEE80211_DS1:
    624  1.10      onoe 	case IFM_IEEE80211_DS2:
    625  1.10      onoe 	case IFM_IEEE80211_DS5:
    626  1.10      onoe 	case IFM_IEEE80211_DS11:
    627  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type != AWI_PHY_TYPE_DS)
    628  1.10      onoe 			return 0;
    629  1.10      onoe 		break;
    630  1.10      onoe 	}
    631   1.1  sommerfe 
    632  1.10      onoe 	switch (IFM_SUBTYPE(opt)) {
    633  1.10      onoe 	case IFM_IEEE80211_FH1:
    634  1.10      onoe 	case IFM_IEEE80211_DS1:
    635  1.10      onoe 		rate = 10;
    636  1.10      onoe 		break;
    637  1.10      onoe 	case IFM_IEEE80211_FH2:
    638  1.10      onoe 	case IFM_IEEE80211_DS2:
    639  1.10      onoe 		rate = 20;
    640  1.10      onoe 		break;
    641  1.10      onoe 	case IFM_IEEE80211_DS5:
    642  1.10      onoe 		rate = 55;
    643  1.10      onoe 		break;
    644  1.10      onoe 	case IFM_IEEE80211_DS11:
    645  1.10      onoe 		rate = 110;
    646  1.10      onoe 		break;
    647  1.10      onoe 	}
    648  1.10      onoe 	return rate;
    649   1.1  sommerfe }
    650   1.1  sommerfe 
    651  1.10      onoe /*
    652  1.10      onoe  * Called from ifmedia_ioctl via awi_ioctl with lock obtained.
    653  1.10      onoe  */
    654  1.10      onoe static int
    655  1.10      onoe awi_media_change(ifp)
    656  1.10      onoe 	struct ifnet *ifp;
    657   1.1  sommerfe {
    658  1.10      onoe 	struct awi_softc *sc = ifp->if_softc;
    659  1.10      onoe 	struct ifmedia_entry *ime;
    660  1.10      onoe 	u_int8_t *phy_rates;
    661  1.10      onoe 	int i, rate, error;
    662  1.10      onoe 
    663  1.10      onoe 	error = 0;
    664  1.10      onoe 	ime = sc->sc_media.ifm_cur;
    665  1.10      onoe 	rate = awi_media_opt2rate(sc, ime->ifm_media);
    666  1.10      onoe 	if (rate == 0)
    667  1.10      onoe 		return EINVAL;
    668  1.10      onoe 	if (rate != sc->sc_tx_rate) {
    669  1.10      onoe 		phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
    670  1.10      onoe 		for (i = 0; i < phy_rates[1]; i++) {
    671  1.10      onoe 			if (rate == AWI_80211_RATE(phy_rates[2 + i]))
    672  1.10      onoe 				break;
    673  1.10      onoe 		}
    674  1.10      onoe 		if (i == phy_rates[1])
    675  1.10      onoe 			return EINVAL;
    676   1.1  sommerfe 	}
    677  1.10      onoe 	if (ime->ifm_media & IFM_IEEE80211_ADHOC) {
    678  1.10      onoe 		sc->sc_mib_local.Network_Mode = 0;
    679  1.20      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
    680  1.20      onoe 			sc->sc_no_bssid = 0;
    681  1.20      onoe 		else
    682  1.20      onoe 			sc->sc_no_bssid = (ime->ifm_media & IFM_FLAG0) ? 1 : 0;
    683  1.10      onoe 	} else {
    684  1.10      onoe 		sc->sc_mib_local.Network_Mode = 1;
    685   1.1  sommerfe 	}
    686  1.10      onoe 	if (sc->sc_enabled) {
    687  1.10      onoe 		awi_stop(sc);
    688  1.10      onoe 		error = awi_init(sc);
    689   1.1  sommerfe 	}
    690  1.10      onoe 	return error;
    691   1.1  sommerfe }
    692   1.1  sommerfe 
    693  1.10      onoe static void
    694  1.10      onoe awi_media_status(ifp, imr)
    695  1.10      onoe 	struct ifnet *ifp;
    696  1.10      onoe 	struct ifmediareq *imr;
    697   1.1  sommerfe {
    698  1.10      onoe 	struct awi_softc *sc = ifp->if_softc;
    699   1.1  sommerfe 
    700  1.10      onoe 	imr->ifm_status = IFM_AVALID;
    701  1.10      onoe 	if (ifp->if_flags & IFF_RUNNING)
    702  1.10      onoe 		imr->ifm_status |= IFM_ACTIVE;
    703  1.10      onoe 	imr->ifm_active = IFM_IEEE80211;
    704  1.10      onoe 	imr->ifm_active |= awi_media_rate2opt(sc, sc->sc_tx_rate);
    705  1.10      onoe 	if (sc->sc_mib_local.Network_Mode == 0) {
    706  1.10      onoe 		imr->ifm_active |= IFM_IEEE80211_ADHOC;
    707  1.10      onoe 		if (sc->sc_no_bssid)
    708  1.10      onoe 			imr->ifm_active |= IFM_FLAG0;
    709   1.6  sommerfe 	}
    710   1.1  sommerfe }
    711  1.10      onoe #endif /* IFM_IEEE80211 */
    712   1.1  sommerfe 
    713   1.1  sommerfe int
    714   1.1  sommerfe awi_intr(arg)
    715   1.1  sommerfe 	void *arg;
    716   1.1  sommerfe {
    717   1.1  sommerfe 	struct awi_softc *sc = arg;
    718  1.10      onoe 	u_int16_t status;
    719  1.10      onoe 	int error, handled = 0, ocansleep;
    720   1.1  sommerfe 
    721  1.15      onoe 	if (!sc->sc_enabled || !sc->sc_enab_intr || sc->sc_invalid)
    722  1.10      onoe 		return 0;
    723   1.1  sommerfe 
    724  1.10      onoe 	am79c930_gcr_setbits(&sc->sc_chip,
    725  1.10      onoe 	    AM79C930_GCR_DISPWDN | AM79C930_GCR_ECINT);
    726   1.1  sommerfe 	awi_write_1(sc, AWI_DIS_PWRDN, 1);
    727  1.10      onoe 	ocansleep = sc->sc_cansleep;
    728  1.10      onoe 	sc->sc_cansleep = 0;
    729  1.10      onoe 
    730   1.1  sommerfe 	for (;;) {
    731  1.10      onoe 		error = awi_intr_lock(sc);
    732  1.10      onoe 		if (error)
    733  1.10      onoe 			break;
    734  1.10      onoe 		status = awi_read_1(sc, AWI_INTSTAT);
    735  1.10      onoe 		awi_write_1(sc, AWI_INTSTAT, 0);
    736  1.10      onoe 		awi_write_1(sc, AWI_INTSTAT, 0);
    737  1.10      onoe 		status |= awi_read_1(sc, AWI_INTSTAT2) << 8;
    738  1.10      onoe 		awi_write_1(sc, AWI_INTSTAT2, 0);
    739  1.10      onoe 		DELAY(10);
    740  1.10      onoe 		awi_intr_unlock(sc);
    741  1.10      onoe 		if (!sc->sc_cmd_inprog)
    742  1.10      onoe 			status &= ~AWI_INT_CMD;	/* make sure */
    743  1.10      onoe 		if (status == 0)
    744   1.1  sommerfe 			break;
    745   1.1  sommerfe 		handled = 1;
    746  1.10      onoe 		if (status & AWI_INT_RX)
    747   1.1  sommerfe 			awi_rxint(sc);
    748  1.10      onoe 		if (status & AWI_INT_TX)
    749   1.1  sommerfe 			awi_txint(sc);
    750  1.10      onoe 		if (status & AWI_INT_CMD)
    751  1.10      onoe 			awi_cmd_done(sc);
    752  1.10      onoe 		if (status & AWI_INT_SCAN_CMPLT) {
    753  1.10      onoe 			if (sc->sc_status == AWI_ST_SCAN &&
    754  1.10      onoe 			    sc->sc_mgt_timer > 0)
    755  1.10      onoe 				(void)awi_next_scan(sc);
    756   1.1  sommerfe 		}
    757   1.1  sommerfe 	}
    758  1.10      onoe 	sc->sc_cansleep = ocansleep;
    759   1.1  sommerfe 	am79c930_gcr_clearbits(&sc->sc_chip, AM79C930_GCR_DISPWDN);
    760   1.1  sommerfe 	awi_write_1(sc, AWI_DIS_PWRDN, 0);
    761   1.1  sommerfe 	return handled;
    762   1.1  sommerfe }
    763   1.1  sommerfe 
    764  1.18      onoe int
    765  1.10      onoe awi_init(sc)
    766   1.8  sommerfe 	struct awi_softc *sc;
    767   1.8  sommerfe {
    768  1.10      onoe 	int error, ostatus;
    769  1.10      onoe 	int n;
    770   1.8  sommerfe 	struct ifnet *ifp = sc->sc_ifp;
    771  1.10      onoe #ifdef __FreeBSD__
    772  1.10      onoe 	struct ifmultiaddr *ifma;
    773  1.10      onoe #else
    774  1.10      onoe 	struct ether_multi *enm;
    775  1.10      onoe 	struct ether_multistep step;
    776  1.10      onoe #endif
    777   1.8  sommerfe 
    778  1.16      onoe 	/* reinitialize muticast filter */
    779  1.10      onoe 	n = 0;
    780  1.10      onoe 	ifp->if_flags |= IFF_ALLMULTI;
    781  1.10      onoe 	sc->sc_mib_local.Accept_All_Multicast_Dis = 0;
    782  1.10      onoe 	if (ifp->if_flags & IFF_PROMISC) {
    783  1.10      onoe 		sc->sc_mib_mac.aPromiscuous_Enable = 1;
    784  1.10      onoe 		goto set_mib;
    785  1.10      onoe 	}
    786  1.10      onoe 	sc->sc_mib_mac.aPromiscuous_Enable = 0;
    787  1.10      onoe #ifdef __FreeBSD__
    788  1.10      onoe 	if (ifp->if_amcount != 0)
    789  1.10      onoe 		goto set_mib;
    790  1.10      onoe 	for (ifma = LIST_FIRST(&ifp->if_multiaddrs); ifma != NULL;
    791  1.10      onoe 	    ifma = LIST_NEXT(ifma, ifma_link)) {
    792  1.10      onoe 		if (ifma->ifma_addr->sa_family != AF_LINK)
    793  1.10      onoe 			continue;
    794  1.10      onoe 		if (n == AWI_GROUP_ADDR_SIZE)
    795  1.10      onoe 			goto set_mib;
    796  1.10      onoe 		memcpy(sc->sc_mib_addr.aGroup_Addresses[n],
    797  1.10      onoe 		    LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
    798  1.10      onoe 		    ETHER_ADDR_LEN);
    799  1.10      onoe 		n++;
    800  1.10      onoe 	}
    801  1.10      onoe #else
    802  1.10      onoe 	ETHER_FIRST_MULTI(step, &sc->sc_ec, enm);
    803  1.10      onoe 	while (enm != NULL) {
    804  1.10      onoe 		if (n == AWI_GROUP_ADDR_SIZE ||
    805  1.10      onoe 		    memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)
    806  1.10      onoe 		    != 0)
    807  1.10      onoe 			goto set_mib;
    808  1.10      onoe 		memcpy(sc->sc_mib_addr.aGroup_Addresses[n], enm->enm_addrlo,
    809  1.10      onoe 		    ETHER_ADDR_LEN);
    810  1.10      onoe 		n++;
    811  1.10      onoe 		ETHER_NEXT_MULTI(step, enm);
    812  1.10      onoe 	}
    813  1.10      onoe #endif
    814  1.16      onoe 	for (; n < AWI_GROUP_ADDR_SIZE; n++)
    815  1.16      onoe 		memset(sc->sc_mib_addr.aGroup_Addresses[n], 0, ETHER_ADDR_LEN);
    816  1.10      onoe 	ifp->if_flags &= ~IFF_ALLMULTI;
    817  1.10      onoe 	sc->sc_mib_local.Accept_All_Multicast_Dis = 1;
    818  1.10      onoe 
    819  1.10      onoe   set_mib:
    820  1.20      onoe #ifdef notdef	/* allow non-encrypted frame for receiving. */
    821  1.20      onoe 	sc->sc_mib_mgt.Wep_Required = sc->sc_wep_algo != NULL ? 1 : 0;
    822  1.20      onoe #endif
    823  1.10      onoe 	if (!sc->sc_enabled) {
    824  1.10      onoe 		sc->sc_enabled = 1;
    825  1.10      onoe 		if (sc->sc_enable)
    826  1.10      onoe 			(*sc->sc_enable)(sc);
    827  1.10      onoe 		sc->sc_status = AWI_ST_INIT;
    828  1.10      onoe 		error = awi_init_hw(sc);
    829  1.10      onoe 		if (error)
    830  1.10      onoe 			return error;
    831  1.10      onoe 	}
    832  1.10      onoe 	ostatus = sc->sc_status;
    833  1.10      onoe 	sc->sc_status = AWI_ST_INIT;
    834  1.10      onoe 	if ((error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_LOCAL)) != 0 ||
    835  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_ADDR)) != 0 ||
    836  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MAC)) != 0 ||
    837  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT)) != 0 ||
    838  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_PHY)) != 0) {
    839  1.10      onoe 		awi_stop(sc);
    840  1.10      onoe 		return error;
    841  1.10      onoe 	}
    842  1.10      onoe 	if (ifp->if_flags & IFF_RUNNING)
    843  1.10      onoe 		sc->sc_status = AWI_ST_RUNNING;
    844  1.10      onoe 	else {
    845  1.10      onoe 		if (ostatus == AWI_ST_INIT) {
    846  1.10      onoe 			error = awi_init_txrx(sc);
    847  1.10      onoe 			if (error)
    848  1.10      onoe 				return error;
    849  1.10      onoe 		}
    850  1.10      onoe 		error = awi_start_scan(sc);
    851  1.10      onoe 	}
    852  1.10      onoe 	return error;
    853   1.8  sommerfe }
    854   1.8  sommerfe 
    855  1.18      onoe void
    856   1.1  sommerfe awi_stop(sc)
    857   1.1  sommerfe 	struct awi_softc *sc;
    858   1.1  sommerfe {
    859   1.1  sommerfe 	struct ifnet *ifp = sc->sc_ifp;
    860  1.10      onoe 	struct awi_bss *bp;
    861  1.10      onoe 	struct mbuf *m;
    862   1.8  sommerfe 
    863  1.10      onoe 	sc->sc_status = AWI_ST_INIT;
    864  1.10      onoe 	if (!sc->sc_invalid) {
    865  1.10      onoe 		(void)awi_cmd_wait(sc);
    866  1.10      onoe 		if (sc->sc_mib_local.Network_Mode &&
    867  1.10      onoe 		    sc->sc_status > AWI_ST_AUTH)
    868  1.10      onoe 			awi_send_deauth(sc);
    869  1.10      onoe 		awi_stop_txrx(sc);
    870  1.10      onoe 	}
    871  1.10      onoe 	ifp->if_flags &= ~(IFF_RUNNING|IFF_OACTIVE);
    872   1.1  sommerfe 	ifp->if_timer = 0;
    873  1.10      onoe 	sc->sc_tx_timer = sc->sc_rx_timer = sc->sc_mgt_timer = 0;
    874  1.10      onoe 	for (;;) {
    875  1.10      onoe 		IF_DEQUEUE(&sc->sc_mgtq, m);
    876  1.10      onoe 		if (m == NULL)
    877  1.10      onoe 			break;
    878  1.10      onoe 		m_freem(m);
    879  1.10      onoe 	}
    880  1.10      onoe 	for (;;) {
    881  1.10      onoe 		IF_DEQUEUE(&ifp->if_snd, m);
    882  1.10      onoe 		if (m == NULL)
    883  1.10      onoe 			break;
    884  1.10      onoe 		m_freem(m);
    885  1.10      onoe 	}
    886  1.18      onoe 	while ((bp = TAILQ_FIRST(&sc->sc_scan)) != NULL) {
    887  1.10      onoe 		TAILQ_REMOVE(&sc->sc_scan, bp, list);
    888  1.18      onoe 		free(bp, M_DEVBUF);
    889  1.18      onoe 	}
    890   1.1  sommerfe }
    891   1.1  sommerfe 
    892  1.10      onoe static void
    893   1.1  sommerfe awi_watchdog(ifp)
    894   1.1  sommerfe 	struct ifnet *ifp;
    895   1.1  sommerfe {
    896   1.1  sommerfe 	struct awi_softc *sc = ifp->if_softc;
    897  1.10      onoe 	int ocansleep;
    898   1.1  sommerfe 
    899  1.10      onoe 	if (sc->sc_invalid) {
    900  1.10      onoe 		ifp->if_timer = 0;
    901   1.1  sommerfe 		return;
    902   1.1  sommerfe 	}
    903   1.1  sommerfe 
    904  1.10      onoe 	ocansleep = sc->sc_cansleep;
    905  1.10      onoe 	sc->sc_cansleep = 0;
    906  1.10      onoe 	if (sc->sc_tx_timer && --sc->sc_tx_timer == 0) {
    907  1.10      onoe 		printf("%s: transmit timeout\n", sc->sc_dev.dv_xname);
    908  1.10      onoe 		awi_txint(sc);
    909  1.10      onoe 	}
    910  1.10      onoe 	if (sc->sc_rx_timer && --sc->sc_rx_timer == 0) {
    911  1.22      onoe 		if (ifp->if_flags & IFF_DEBUG) {
    912  1.22      onoe 			printf("%s: no recent beacons from %s; rescanning\n",
    913  1.22      onoe 			    sc->sc_dev.dv_xname,
    914  1.22      onoe 			    ether_sprintf(sc->sc_bss.bssid));
    915  1.22      onoe 		}
    916  1.20      onoe 		ifp->if_flags &= ~IFF_RUNNING;
    917  1.10      onoe 		awi_start_scan(sc);
    918  1.10      onoe 	}
    919  1.10      onoe 	if (sc->sc_mgt_timer && --sc->sc_mgt_timer == 0) {
    920  1.10      onoe 		switch (sc->sc_status) {
    921  1.10      onoe 		case AWI_ST_SCAN:
    922  1.10      onoe 			awi_stop_scan(sc);
    923  1.10      onoe 			break;
    924  1.10      onoe 		case AWI_ST_AUTH:
    925  1.10      onoe 		case AWI_ST_ASSOC:
    926  1.10      onoe 			/* restart scan */
    927  1.10      onoe 			awi_start_scan(sc);
    928  1.10      onoe 			break;
    929  1.10      onoe 		default:
    930  1.10      onoe 			break;
    931   1.1  sommerfe 		}
    932   1.1  sommerfe 	}
    933   1.1  sommerfe 
    934  1.10      onoe 	if (sc->sc_tx_timer == 0 && sc->sc_rx_timer == 0 &&
    935  1.10      onoe 	    sc->sc_mgt_timer == 0)
    936  1.10      onoe 		ifp->if_timer = 0;
    937  1.10      onoe 	else
    938  1.10      onoe 		ifp->if_timer = 1;
    939  1.10      onoe 	sc->sc_cansleep = ocansleep;
    940   1.1  sommerfe }
    941   1.1  sommerfe 
    942  1.10      onoe static void
    943  1.10      onoe awi_start(ifp)
    944  1.10      onoe 	struct ifnet *ifp;
    945   1.1  sommerfe {
    946   1.1  sommerfe 	struct awi_softc *sc = ifp->if_softc;
    947  1.10      onoe 	struct mbuf *m0, *m;
    948  1.10      onoe 	u_int32_t txd, frame, ntxd;
    949  1.10      onoe 	u_int8_t rate;
    950  1.10      onoe 	int len, sent = 0;
    951   1.1  sommerfe 
    952  1.10      onoe 	for (;;) {
    953  1.10      onoe 		txd = sc->sc_txnext;
    954  1.10      onoe 		IF_DEQUEUE(&sc->sc_mgtq, m0);
    955  1.10      onoe 		if (m0 != NULL) {
    956  1.10      onoe 			if (awi_next_txd(sc, m0->m_pkthdr.len, &frame, &ntxd)) {
    957  1.10      onoe 				IF_PREPEND(&sc->sc_mgtq, m0);
    958  1.10      onoe 				ifp->if_flags |= IFF_OACTIVE;
    959  1.10      onoe 				break;
    960  1.10      onoe 			}
    961  1.10      onoe 		} else {
    962  1.10      onoe 			if (!(ifp->if_flags & IFF_RUNNING))
    963  1.10      onoe 				break;
    964  1.10      onoe 			IF_DEQUEUE(&ifp->if_snd, m0);
    965  1.10      onoe 			if (m0 == NULL)
    966  1.10      onoe 				break;
    967  1.18      onoe 			len = m0->m_pkthdr.len + sizeof(struct ieee80211_frame);
    968  1.18      onoe 			if (sc->sc_format_llc)
    969  1.18      onoe 				len += sizeof(struct llc) -
    970  1.18      onoe 				    sizeof(struct ether_header);
    971  1.18      onoe 			if (sc->sc_wep_algo != NULL)
    972  1.18      onoe 				len += IEEE80211_WEP_IVLEN +
    973  1.18      onoe 				    IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN;
    974  1.18      onoe 			if (awi_next_txd(sc, len, &frame, &ntxd)) {
    975  1.10      onoe 				IF_PREPEND(&ifp->if_snd, m0);
    976  1.10      onoe 				ifp->if_flags |= IFF_OACTIVE;
    977   1.1  sommerfe 				break;
    978  1.10      onoe 			}
    979  1.10      onoe 			AWI_BPF_MTAP(sc, m0, AWI_BPF_NORM);
    980  1.10      onoe 			m0 = awi_fix_txhdr(sc, m0);
    981  1.18      onoe 			if (sc->sc_wep_algo != NULL && m0 != NULL)
    982  1.18      onoe 				m0 = awi_wep_encrypt(sc, m0, 1);
    983  1.10      onoe 			if (m0 == NULL) {
    984  1.10      onoe 				ifp->if_oerrors++;
    985  1.10      onoe 				continue;
    986  1.10      onoe 			}
    987  1.10      onoe 			ifp->if_opackets++;
    988   1.1  sommerfe 		}
    989  1.20      onoe #ifdef AWI_DEBUG
    990  1.20      onoe 		if (awi_dump)
    991  1.20      onoe 			awi_dump_pkt(sc, m0, -1);
    992  1.20      onoe #endif
    993  1.10      onoe 		AWI_BPF_MTAP(sc, m0, AWI_BPF_RAW);
    994  1.10      onoe 		len = 0;
    995  1.10      onoe 		for (m = m0; m != NULL; m = m->m_next) {
    996  1.10      onoe 			awi_write_bytes(sc, frame + len, mtod(m, u_int8_t *),
    997  1.10      onoe 			    m->m_len);
    998  1.10      onoe 			len += m->m_len;
    999   1.4  sommerfe 		}
   1000  1.10      onoe 		m_freem(m0);
   1001  1.10      onoe 		rate = sc->sc_tx_rate;	/*XXX*/
   1002  1.10      onoe 		awi_write_1(sc, ntxd + AWI_TXD_STATE, 0);
   1003  1.10      onoe 		awi_write_4(sc, txd + AWI_TXD_START, frame);
   1004  1.10      onoe 		awi_write_4(sc, txd + AWI_TXD_NEXT, ntxd);
   1005  1.10      onoe 		awi_write_4(sc, txd + AWI_TXD_LENGTH, len);
   1006  1.10      onoe 		awi_write_1(sc, txd + AWI_TXD_RATE, rate);
   1007  1.10      onoe 		awi_write_4(sc, txd + AWI_TXD_NDA, 0);
   1008  1.10      onoe 		awi_write_4(sc, txd + AWI_TXD_NRA, 0);
   1009  1.10      onoe 		awi_write_1(sc, txd + AWI_TXD_STATE, AWI_TXD_ST_OWN);
   1010  1.10      onoe 		sc->sc_txnext = ntxd;
   1011  1.10      onoe 		sent++;
   1012  1.10      onoe 	}
   1013  1.10      onoe 	if (sent) {
   1014  1.10      onoe 		if (sc->sc_tx_timer == 0)
   1015  1.10      onoe 			sc->sc_tx_timer = 5;
   1016  1.10      onoe 		ifp->if_timer = 1;
   1017  1.10      onoe #ifdef AWI_DEBUG
   1018  1.10      onoe 		if (awi_verbose)
   1019  1.10      onoe 			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);
   1020  1.10      onoe #endif
   1021   1.1  sommerfe 	}
   1022   1.1  sommerfe }
   1023   1.1  sommerfe 
   1024  1.10      onoe static void
   1025  1.10      onoe awi_txint(sc)
   1026  1.10      onoe 	struct awi_softc *sc;
   1027   1.1  sommerfe {
   1028   1.9  sommerfe 	struct ifnet *ifp = sc->sc_ifp;
   1029  1.10      onoe 	u_int8_t flags;
   1030   1.9  sommerfe 
   1031  1.10      onoe 	while (sc->sc_txdone != sc->sc_txnext) {
   1032  1.10      onoe 		flags = awi_read_1(sc, sc->sc_txdone + AWI_TXD_STATE);
   1033  1.10      onoe 		if ((flags & AWI_TXD_ST_OWN) || !(flags & AWI_TXD_ST_DONE))
   1034  1.10      onoe 			break;
   1035  1.10      onoe 		if (flags & AWI_TXD_ST_ERROR)
   1036  1.10      onoe 			ifp->if_oerrors++;
   1037  1.10      onoe 		sc->sc_txdone = awi_read_4(sc, sc->sc_txdone + AWI_TXD_NEXT) &
   1038  1.10      onoe 		    0x7fff;
   1039  1.10      onoe 	}
   1040  1.10      onoe 	sc->sc_tx_timer = 0;
   1041  1.10      onoe 	ifp->if_flags &= ~IFF_OACTIVE;
   1042  1.10      onoe #ifdef AWI_DEBUG
   1043  1.10      onoe 	if (awi_verbose)
   1044  1.10      onoe 		printf("awi_txint: txdone %d txnext %d txbase %d txend %d\n",
   1045  1.10      onoe 		    sc->sc_txdone, sc->sc_txnext, sc->sc_txbase, sc->sc_txend);
   1046  1.10      onoe #endif
   1047  1.10      onoe 	awi_start(ifp);
   1048  1.10      onoe }
   1049   1.9  sommerfe 
   1050  1.10      onoe static struct mbuf *
   1051  1.10      onoe awi_fix_txhdr(sc, m0)
   1052  1.10      onoe 	struct awi_softc *sc;
   1053  1.10      onoe 	struct mbuf *m0;
   1054  1.10      onoe {
   1055  1.10      onoe 	struct ether_header eh;
   1056  1.10      onoe 	struct ieee80211_frame *wh;
   1057  1.10      onoe 	struct llc *llc;
   1058  1.10      onoe 
   1059  1.10      onoe 	if (m0->m_len < sizeof(eh)) {
   1060  1.10      onoe 		m0 = m_pullup(m0, sizeof(eh));
   1061  1.10      onoe 		if (m0 == NULL)
   1062  1.10      onoe 			return NULL;
   1063  1.10      onoe 	}
   1064  1.10      onoe 	memcpy(&eh, mtod(m0, caddr_t), sizeof(eh));
   1065  1.10      onoe 	if (sc->sc_format_llc) {
   1066  1.10      onoe 		m_adj(m0, sizeof(struct ether_header) - sizeof(struct llc));
   1067  1.10      onoe 		llc = mtod(m0, struct llc *);
   1068  1.10      onoe 		llc->llc_dsap = llc->llc_ssap = LLC_SNAP_LSAP;
   1069  1.10      onoe 		llc->llc_control = LLC_UI;
   1070  1.10      onoe 		llc->llc_snap.org_code[0] = llc->llc_snap.org_code[1] =
   1071  1.10      onoe 		    llc->llc_snap.org_code[2] = 0;
   1072  1.10      onoe 		llc->llc_snap.ether_type = eh.ether_type;
   1073  1.10      onoe 	}
   1074  1.10      onoe 	M_PREPEND(m0, sizeof(struct ieee80211_frame), M_DONTWAIT);
   1075  1.10      onoe 	if (m0 == NULL)
   1076  1.10      onoe 		return NULL;
   1077  1.10      onoe 	wh = mtod(m0, struct ieee80211_frame *);
   1078   1.1  sommerfe 
   1079  1.10      onoe 	wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA;
   1080  1.10      onoe 	LE_WRITE_2(wh->i_dur, 0);
   1081  1.10      onoe 	LE_WRITE_2(wh->i_seq, 0);
   1082  1.10      onoe 	if (sc->sc_mib_local.Network_Mode) {
   1083  1.10      onoe 		wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
   1084  1.10      onoe 		memcpy(wh->i_addr1, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   1085  1.10      onoe 		memcpy(wh->i_addr2, eh.ether_shost, ETHER_ADDR_LEN);
   1086  1.10      onoe 		memcpy(wh->i_addr3, eh.ether_dhost, ETHER_ADDR_LEN);
   1087  1.10      onoe 	} else {
   1088  1.10      onoe 		wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
   1089  1.10      onoe 		memcpy(wh->i_addr1, eh.ether_dhost, ETHER_ADDR_LEN);
   1090  1.10      onoe 		memcpy(wh->i_addr2, eh.ether_shost, ETHER_ADDR_LEN);
   1091  1.10      onoe 		memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   1092   1.1  sommerfe 	}
   1093  1.10      onoe 	return m0;
   1094  1.10      onoe }
   1095   1.9  sommerfe 
   1096  1.10      onoe static struct mbuf *
   1097  1.10      onoe awi_fix_rxhdr(sc, m0)
   1098  1.10      onoe 	struct awi_softc *sc;
   1099  1.10      onoe 	struct mbuf *m0;
   1100  1.10      onoe {
   1101  1.10      onoe 	struct ieee80211_frame wh;
   1102  1.10      onoe 	struct ether_header *eh;
   1103  1.10      onoe 	struct llc *llc;
   1104   1.1  sommerfe 
   1105  1.10      onoe 	if (m0->m_len < sizeof(wh)) {
   1106  1.10      onoe 		m_freem(m0);
   1107  1.10      onoe 		return NULL;
   1108  1.10      onoe 	}
   1109  1.10      onoe 	llc = (struct llc *)(mtod(m0, caddr_t) + sizeof(wh));
   1110  1.10      onoe 	if (llc->llc_dsap == LLC_SNAP_LSAP &&
   1111  1.10      onoe 	    llc->llc_ssap == LLC_SNAP_LSAP &&
   1112  1.10      onoe 	    llc->llc_control == LLC_UI &&
   1113  1.10      onoe 	    llc->llc_snap.org_code[0] == 0 &&
   1114  1.10      onoe 	    llc->llc_snap.org_code[1] == 0 &&
   1115  1.10      onoe 	    llc->llc_snap.org_code[2] == 0) {
   1116  1.10      onoe 		memcpy(&wh, mtod(m0, caddr_t), sizeof(wh));
   1117  1.10      onoe 		m_adj(m0, sizeof(wh) + sizeof(*llc) - sizeof(*eh));
   1118  1.10      onoe 		eh = mtod(m0, struct ether_header *);
   1119  1.10      onoe 		switch (wh.i_fc[1] & IEEE80211_FC1_DIR_MASK) {
   1120  1.10      onoe 		case IEEE80211_FC1_DIR_NODS:
   1121  1.10      onoe 			memcpy(eh->ether_dhost, wh.i_addr1, ETHER_ADDR_LEN);
   1122  1.10      onoe 			memcpy(eh->ether_shost, wh.i_addr2, ETHER_ADDR_LEN);
   1123  1.10      onoe 			break;
   1124  1.10      onoe 		case IEEE80211_FC1_DIR_TODS:
   1125  1.10      onoe 			memcpy(eh->ether_dhost, wh.i_addr3, ETHER_ADDR_LEN);
   1126  1.10      onoe 			memcpy(eh->ether_shost, wh.i_addr2, ETHER_ADDR_LEN);
   1127  1.10      onoe 			break;
   1128  1.10      onoe 		case IEEE80211_FC1_DIR_FROMDS:
   1129  1.10      onoe 			memcpy(eh->ether_dhost, wh.i_addr1, ETHER_ADDR_LEN);
   1130  1.10      onoe 			memcpy(eh->ether_shost, wh.i_addr3, ETHER_ADDR_LEN);
   1131  1.10      onoe 			break;
   1132  1.10      onoe 		case IEEE80211_FC1_DIR_DSTODS:
   1133  1.10      onoe 			m_freem(m0);
   1134  1.10      onoe 			return NULL;
   1135  1.10      onoe 		}
   1136  1.10      onoe 	} else {
   1137  1.10      onoe 		/* assuming ethernet encapsulation, just strip 802.11 header */
   1138  1.10      onoe 		m_adj(m0, sizeof(wh));
   1139  1.10      onoe 	}
   1140  1.20      onoe 	if (ALIGN(mtod(m0, caddr_t) + sizeof(struct ether_header)) !=
   1141  1.20      onoe 	    (u_int)(mtod(m0, caddr_t) + sizeof(struct ether_header))) {
   1142  1.20      onoe 		/* XXX: we loose to estimate the type of encapsulation */
   1143  1.20      onoe 		struct mbuf *n, *n0, **np;
   1144  1.20      onoe 		caddr_t newdata;
   1145  1.20      onoe 		int off;
   1146  1.20      onoe 
   1147  1.20      onoe 		n0 = NULL;
   1148  1.20      onoe 		np = &n0;
   1149  1.20      onoe 		off = 0;
   1150  1.20      onoe 		while (m0->m_pkthdr.len > off) {
   1151  1.20      onoe 			if (n0 == NULL) {
   1152  1.20      onoe 				MGETHDR(n, M_DONTWAIT, MT_DATA);
   1153  1.20      onoe 				if (n == NULL) {
   1154  1.20      onoe 					m_freem(m0);
   1155  1.20      onoe 					return NULL;
   1156  1.20      onoe 				}
   1157  1.20      onoe 				M_COPY_PKTHDR(n, m0);
   1158  1.20      onoe 				n->m_len = MHLEN;
   1159  1.20      onoe 			} else {
   1160  1.20      onoe 				MGET(n, M_DONTWAIT, MT_DATA);
   1161  1.20      onoe 				if (n == NULL) {
   1162  1.20      onoe 					m_freem(m0);
   1163  1.20      onoe 					m_freem(n0);
   1164  1.20      onoe 					return NULL;
   1165  1.20      onoe 				}
   1166  1.20      onoe 				n->m_len = MLEN;
   1167  1.20      onoe 			}
   1168  1.20      onoe 			if (m0->m_pkthdr.len - off >= MINCLSIZE) {
   1169  1.20      onoe 				MCLGET(n, M_DONTWAIT);
   1170  1.20      onoe 				if (n->m_flags & M_EXT)
   1171  1.20      onoe 					n->m_len = n->m_ext.ext_size;
   1172  1.20      onoe 			}
   1173  1.20      onoe 			if (n0 == NULL) {
   1174  1.20      onoe 				newdata = (caddr_t)
   1175  1.20      onoe 				    ALIGN(n->m_data
   1176  1.20      onoe 				    + sizeof(struct ether_header))
   1177  1.20      onoe 				    - sizeof(struct ether_header);
   1178  1.20      onoe 				n->m_len -= newdata - n->m_data;
   1179  1.20      onoe 				n->m_data = newdata;
   1180  1.20      onoe 			}
   1181  1.20      onoe 			if (n->m_len > m0->m_pkthdr.len - off)
   1182  1.20      onoe 				n->m_len = m0->m_pkthdr.len - off;
   1183  1.20      onoe 			m_copydata(m0, off, n->m_len, mtod(n, caddr_t));
   1184  1.20      onoe 			off += n->m_len;
   1185  1.20      onoe 			*np = n;
   1186  1.20      onoe 			np = &n->m_next;
   1187  1.20      onoe 		}
   1188  1.20      onoe 		m_freem(m0);
   1189  1.20      onoe 		m0 = n0;
   1190  1.20      onoe 	}
   1191  1.10      onoe 	return m0;
   1192   1.1  sommerfe }
   1193   1.1  sommerfe 
   1194  1.10      onoe static void
   1195  1.10      onoe awi_input(sc, m, rxts, rssi)
   1196   1.1  sommerfe 	struct awi_softc *sc;
   1197  1.10      onoe 	struct mbuf *m;
   1198  1.10      onoe 	u_int32_t rxts;
   1199  1.10      onoe 	u_int8_t rssi;
   1200   1.1  sommerfe {
   1201  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   1202  1.10      onoe 	struct ieee80211_frame *wh;
   1203  1.10      onoe #ifndef __NetBSD__
   1204  1.10      onoe 	struct ether_header *eh;
   1205  1.10      onoe #endif
   1206   1.1  sommerfe 
   1207  1.18      onoe 	/* trim CRC here for WEP can find its own CRC at the end of packet. */
   1208  1.18      onoe 	m_adj(m, -ETHER_CRC_LEN);
   1209  1.10      onoe 	AWI_BPF_MTAP(sc, m, AWI_BPF_RAW);
   1210  1.10      onoe 	wh = mtod(m, struct ieee80211_frame *);
   1211  1.10      onoe 	if ((wh->i_fc[0] & IEEE80211_FC0_VERSION_MASK) !=
   1212  1.10      onoe 	    IEEE80211_FC0_VERSION_0) {
   1213  1.10      onoe 		printf("%s; receive packet with wrong version: %x\n",
   1214  1.10      onoe 		    sc->sc_dev.dv_xname, wh->i_fc[0]);
   1215  1.10      onoe 		m_freem(m);
   1216  1.18      onoe 		ifp->if_ierrors++;
   1217  1.10      onoe 		return;
   1218  1.10      onoe 	}
   1219  1.18      onoe 	if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
   1220  1.18      onoe 		m = awi_wep_encrypt(sc, m, 0);
   1221  1.18      onoe 		if (m == NULL) {
   1222  1.18      onoe 			ifp->if_ierrors++;
   1223  1.18      onoe 			return;
   1224  1.18      onoe 		}
   1225  1.18      onoe 		wh = mtod(m, struct ieee80211_frame *);
   1226  1.18      onoe 	}
   1227  1.10      onoe #ifdef AWI_DEBUG
   1228  1.10      onoe 	if (awi_dump)
   1229  1.10      onoe 		awi_dump_pkt(sc, m, rssi);
   1230  1.10      onoe #endif
   1231  1.10      onoe 
   1232  1.10      onoe 	if ((sc->sc_mib_local.Network_Mode || !sc->sc_no_bssid) &&
   1233  1.10      onoe 	    sc->sc_status == AWI_ST_RUNNING) {
   1234  1.10      onoe 		if (memcmp(wh->i_addr2, sc->sc_bss.bssid, ETHER_ADDR_LEN) == 0) {
   1235  1.10      onoe 			sc->sc_rx_timer = 10;
   1236  1.10      onoe 			sc->sc_bss.rssi = rssi;
   1237  1.10      onoe 		}
   1238  1.10      onoe 	}
   1239  1.10      onoe 	switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
   1240  1.10      onoe 	case IEEE80211_FC0_TYPE_DATA:
   1241  1.10      onoe 		if (sc->sc_mib_local.Network_Mode) {
   1242  1.10      onoe 			if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
   1243  1.10      onoe 			    IEEE80211_FC1_DIR_FROMDS) {
   1244  1.10      onoe 				m_freem(m);
   1245  1.10      onoe 				return;
   1246  1.10      onoe 			}
   1247  1.10      onoe 		} else {
   1248  1.10      onoe 			if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
   1249  1.10      onoe 			    IEEE80211_FC1_DIR_NODS) {
   1250  1.10      onoe 				m_freem(m);
   1251  1.10      onoe 				return;
   1252  1.10      onoe 			}
   1253  1.10      onoe 		}
   1254  1.10      onoe 		m = awi_fix_rxhdr(sc, m);
   1255  1.10      onoe 		if (m == NULL) {
   1256  1.10      onoe 			ifp->if_ierrors++;
   1257  1.10      onoe 			break;
   1258  1.10      onoe 		}
   1259  1.10      onoe 		ifp->if_ipackets++;
   1260  1.18      onoe #if !(defined(__FreeBSD__) && __FreeBSD__ >= 4)
   1261  1.10      onoe 		AWI_BPF_MTAP(sc, m, AWI_BPF_NORM);
   1262  1.18      onoe #endif
   1263  1.10      onoe #ifdef __NetBSD__
   1264  1.10      onoe 		(*ifp->if_input)(ifp, m);
   1265  1.10      onoe #else
   1266  1.10      onoe 		eh = mtod(m, struct ether_header *);
   1267  1.10      onoe 		m_adj(m, sizeof(*eh));
   1268  1.10      onoe 		ether_input(ifp, eh, m);
   1269   1.1  sommerfe #endif
   1270  1.10      onoe 		break;
   1271  1.10      onoe 	case IEEE80211_FC0_TYPE_MGT:
   1272  1.10      onoe 		if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) !=
   1273  1.10      onoe 		   IEEE80211_FC1_DIR_NODS) {
   1274  1.10      onoe 			m_freem(m);
   1275  1.10      onoe 			return;
   1276  1.10      onoe 		}
   1277  1.10      onoe 		switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
   1278  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
   1279  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_BEACON:
   1280  1.10      onoe 			awi_recv_beacon(sc, m, rxts, rssi);
   1281  1.10      onoe 			break;
   1282  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_AUTH:
   1283  1.10      onoe 			awi_recv_auth(sc, m);
   1284  1.10      onoe 			break;
   1285  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
   1286  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_REASSOC_RESP:
   1287  1.10      onoe 			awi_recv_asresp(sc, m);
   1288  1.10      onoe 			break;
   1289  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_DEAUTH:
   1290  1.10      onoe 			if (sc->sc_mib_local.Network_Mode)
   1291  1.20      onoe 				awi_send_auth(sc, 1);
   1292  1.10      onoe 			break;
   1293  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_DISASSOC:
   1294  1.10      onoe 			if (sc->sc_mib_local.Network_Mode)
   1295  1.10      onoe 				awi_send_asreq(sc, 1);
   1296  1.10      onoe 			break;
   1297  1.10      onoe 		}
   1298  1.10      onoe 		m_freem(m);
   1299  1.10      onoe 		break;
   1300  1.10      onoe 	case IEEE80211_FC0_TYPE_CTL:
   1301  1.10      onoe 	default:
   1302  1.10      onoe 		/* should not come here */
   1303  1.10      onoe 		m_freem(m);
   1304  1.10      onoe 		break;
   1305  1.10      onoe 	}
   1306   1.1  sommerfe }
   1307   1.9  sommerfe 
   1308  1.10      onoe static void
   1309  1.10      onoe awi_rxint(sc)
   1310   1.9  sommerfe 	struct awi_softc *sc;
   1311   1.9  sommerfe {
   1312  1.10      onoe 	u_int8_t state, rate, rssi;
   1313  1.10      onoe 	u_int16_t len;
   1314  1.10      onoe 	u_int32_t frame, next, rxts, rxoff;
   1315  1.10      onoe 	struct mbuf *m;
   1316  1.10      onoe 
   1317  1.10      onoe 	rxoff = sc->sc_rxdoff;
   1318  1.10      onoe 	for (;;) {
   1319  1.10      onoe 		state = awi_read_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE);
   1320  1.10      onoe 		if (state & AWI_RXD_ST_OWN)
   1321  1.10      onoe 			break;
   1322  1.10      onoe 		if (!(state & AWI_RXD_ST_CONSUMED)) {
   1323  1.10      onoe 			if (state & AWI_RXD_ST_RXERROR)
   1324  1.10      onoe 				sc->sc_ifp->if_ierrors++;
   1325  1.10      onoe 			else {
   1326  1.10      onoe 				len   = awi_read_2(sc, rxoff + AWI_RXD_LEN);
   1327  1.10      onoe 				rate  = awi_read_1(sc, rxoff + AWI_RXD_RATE);
   1328  1.10      onoe 				rssi  = awi_read_1(sc, rxoff + AWI_RXD_RSSI);
   1329  1.10      onoe 				frame = awi_read_4(sc, rxoff + AWI_RXD_START_FRAME) & 0x7fff;
   1330  1.10      onoe 				rxts  = awi_read_4(sc, rxoff + AWI_RXD_LOCALTIME);
   1331  1.10      onoe 				m = awi_devget(sc, frame, len);
   1332  1.10      onoe 				if (state & AWI_RXD_ST_LF)
   1333  1.10      onoe 					awi_input(sc, m, rxts, rssi);
   1334  1.10      onoe 				else
   1335  1.10      onoe 					sc->sc_rxpend = m;
   1336  1.10      onoe 			}
   1337  1.10      onoe 			state |= AWI_RXD_ST_CONSUMED;
   1338  1.10      onoe 			awi_write_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE, state);
   1339  1.10      onoe 		}
   1340  1.10      onoe 		next  = awi_read_4(sc, rxoff + AWI_RXD_NEXT);
   1341  1.10      onoe 		if (next & AWI_RXD_NEXT_LAST)
   1342  1.10      onoe 			break;
   1343  1.10      onoe 		/* make sure the next pointer is correct */
   1344  1.10      onoe 		if (next != awi_read_4(sc, rxoff + AWI_RXD_NEXT))
   1345  1.10      onoe 			break;
   1346  1.10      onoe 		state |= AWI_RXD_ST_OWN;
   1347  1.10      onoe 		awi_write_1(sc, rxoff + AWI_RXD_HOST_DESC_STATE, state);
   1348  1.10      onoe 		rxoff = next & 0x7fff;
   1349  1.10      onoe 	}
   1350  1.10      onoe 	sc->sc_rxdoff = rxoff;
   1351   1.9  sommerfe }
   1352   1.9  sommerfe 
   1353  1.18      onoe static struct mbuf *
   1354  1.10      onoe awi_devget(sc, off, len)
   1355   1.1  sommerfe 	struct awi_softc *sc;
   1356  1.10      onoe 	u_int32_t off;
   1357  1.10      onoe 	u_int16_t len;
   1358   1.1  sommerfe {
   1359  1.10      onoe 	struct mbuf *m;
   1360  1.18      onoe 	struct mbuf *top, **mp;
   1361  1.10      onoe 	u_int tlen;
   1362  1.10      onoe 
   1363  1.10      onoe 	top = sc->sc_rxpend;
   1364  1.18      onoe 	mp = &top;
   1365  1.10      onoe 	if (top != NULL) {
   1366  1.10      onoe 		sc->sc_rxpend = NULL;
   1367  1.10      onoe 		top->m_pkthdr.len += len;
   1368  1.20      onoe 		m = top;
   1369  1.18      onoe 		while (*mp != NULL) {
   1370  1.18      onoe 			m = *mp;
   1371  1.10      onoe 			mp = &m->m_next;
   1372  1.18      onoe 		}
   1373  1.10      onoe 		if (m->m_flags & M_EXT)
   1374  1.10      onoe 			tlen = m->m_ext.ext_size;
   1375  1.10      onoe 		else if (m->m_flags & M_PKTHDR)
   1376  1.10      onoe 			tlen = MHLEN;
   1377  1.10      onoe 		else
   1378  1.10      onoe 			tlen = MLEN;
   1379  1.10      onoe 		tlen -= m->m_len;
   1380  1.10      onoe 		if (tlen > len)
   1381  1.10      onoe 			tlen = len;
   1382  1.10      onoe 		awi_read_bytes(sc, off, mtod(m, u_int8_t *) + m->m_len, tlen);
   1383  1.10      onoe 		off += tlen;
   1384  1.10      onoe 		len -= tlen;
   1385  1.10      onoe 	}
   1386  1.10      onoe 
   1387  1.10      onoe 	while (len > 0) {
   1388  1.10      onoe 		if (top == NULL) {
   1389  1.10      onoe 			MGETHDR(m, M_DONTWAIT, MT_DATA);
   1390  1.10      onoe 			if (m == NULL)
   1391  1.10      onoe 				return NULL;
   1392  1.10      onoe 			m->m_pkthdr.rcvif = sc->sc_ifp;
   1393  1.10      onoe 			m->m_pkthdr.len = len;
   1394  1.10      onoe 			m->m_len = MHLEN;
   1395  1.10      onoe 		} else {
   1396  1.10      onoe 			MGET(m, M_DONTWAIT, MT_DATA);
   1397  1.10      onoe 			if (m == NULL) {
   1398  1.10      onoe 				m_freem(top);
   1399  1.10      onoe 				return NULL;
   1400  1.10      onoe 			}
   1401  1.10      onoe 			m->m_len = MLEN;
   1402  1.10      onoe 		}
   1403  1.10      onoe 		if (len >= MINCLSIZE) {
   1404  1.10      onoe 			MCLGET(m, M_DONTWAIT);
   1405  1.10      onoe 			if (m->m_flags & M_EXT)
   1406  1.10      onoe 				m->m_len = m->m_ext.ext_size;
   1407  1.10      onoe 		}
   1408  1.20      onoe 		if (top == NULL) {
   1409  1.20      onoe 			int hdrlen = sizeof(struct ieee80211_frame) +
   1410  1.20      onoe 			    (sc->sc_format_llc ? sizeof(struct llc) :
   1411  1.20      onoe 			    sizeof(struct ether_header));
   1412  1.20      onoe 			caddr_t newdata = (caddr_t)
   1413  1.20      onoe 			    ALIGN(m->m_data + hdrlen) - hdrlen;
   1414  1.20      onoe 			m->m_len -= newdata - m->m_data;
   1415  1.20      onoe 			m->m_data = newdata;
   1416  1.20      onoe 		}
   1417  1.10      onoe 		if (m->m_len > len)
   1418  1.10      onoe 			m->m_len = len;
   1419  1.10      onoe 		awi_read_bytes(sc, off, mtod(m, u_int8_t *), m->m_len);
   1420  1.10      onoe 		off += m->m_len;
   1421  1.10      onoe 		len -= m->m_len;
   1422  1.10      onoe 		*mp = m;
   1423  1.10      onoe 		mp = &m->m_next;
   1424  1.10      onoe 	}
   1425  1.10      onoe 	return top;
   1426   1.1  sommerfe }
   1427   1.1  sommerfe 
   1428  1.10      onoe /*
   1429  1.10      onoe  * Initialize hardware and start firmware to accept commands.
   1430  1.10      onoe  * Called everytime after power on firmware.
   1431  1.10      onoe  */
   1432  1.10      onoe 
   1433  1.10      onoe static int
   1434  1.10      onoe awi_init_hw(sc)
   1435   1.1  sommerfe 	struct awi_softc *sc;
   1436   1.1  sommerfe {
   1437  1.10      onoe 	u_int8_t status;
   1438  1.10      onoe 	u_int16_t intmask;
   1439  1.10      onoe 	int i, error;
   1440   1.1  sommerfe 
   1441  1.15      onoe 	sc->sc_enab_intr = 0;
   1442  1.20      onoe 	sc->sc_invalid = 0;	/* XXX: really? */
   1443  1.10      onoe 	awi_drvstate(sc, AWI_DRV_RESET);
   1444   1.1  sommerfe 
   1445  1.10      onoe 	/* reset firmware */
   1446  1.10      onoe 	am79c930_gcr_setbits(&sc->sc_chip, AM79C930_GCR_CORESET);
   1447  1.10      onoe 	DELAY(100);
   1448  1.10      onoe 	awi_write_1(sc, AWI_SELFTEST, 0);
   1449  1.20      onoe 	awi_write_1(sc, AWI_CMD, 0);
   1450  1.20      onoe 	awi_write_1(sc, AWI_BANNER, 0);
   1451  1.10      onoe 	am79c930_gcr_clearbits(&sc->sc_chip, AM79C930_GCR_CORESET);
   1452  1.10      onoe 	DELAY(100);
   1453  1.10      onoe 
   1454  1.10      onoe 	/* wait for selftest completion */
   1455  1.10      onoe 	for (i = 0; ; i++) {
   1456  1.10      onoe 		if (i >= AWI_SELFTEST_TIMEOUT*hz/1000) {
   1457  1.10      onoe 			printf("%s: failed to complete selftest (timeout)\n",
   1458  1.10      onoe 			    sc->sc_dev.dv_xname);
   1459  1.10      onoe 			return ENXIO;
   1460  1.10      onoe 		}
   1461  1.10      onoe 		status = awi_read_1(sc, AWI_SELFTEST);
   1462  1.10      onoe 		if ((status & 0xf0) == 0xf0)
   1463  1.10      onoe 			break;
   1464  1.10      onoe 		if (sc->sc_cansleep) {
   1465  1.10      onoe 			sc->sc_sleep_cnt++;
   1466  1.10      onoe 			(void)tsleep(sc, PWAIT, "awitst", 1);
   1467  1.10      onoe 			sc->sc_sleep_cnt--;
   1468  1.10      onoe 		} else {
   1469  1.10      onoe 			DELAY(1000*1000/hz);
   1470  1.10      onoe 		}
   1471  1.10      onoe 	}
   1472  1.10      onoe 	if (status != AWI_SELFTEST_PASSED) {
   1473  1.10      onoe 		printf("%s: failed to complete selftest (code %x)\n",
   1474  1.10      onoe 		    sc->sc_dev.dv_xname, status);
   1475  1.10      onoe 		return ENXIO;
   1476  1.10      onoe 	}
   1477   1.1  sommerfe 
   1478  1.10      onoe 	/* check banner to confirm firmware write it */
   1479  1.18      onoe 	awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN);
   1480  1.18      onoe 	if (memcmp(sc->sc_banner, "PCnetMobile:", 12) != 0) {
   1481  1.10      onoe 		printf("%s: failed to complete selftest (bad banner)\n",
   1482  1.10      onoe 		    sc->sc_dev.dv_xname);
   1483  1.10      onoe 		for (i = 0; i < AWI_BANNER_LEN; i++)
   1484  1.18      onoe 			printf("%s%02x", i ? ":" : "\t", sc->sc_banner[i]);
   1485  1.10      onoe 		printf("\n");
   1486  1.10      onoe 		return ENXIO;
   1487  1.10      onoe 	}
   1488   1.1  sommerfe 
   1489  1.10      onoe 	/* initializing interrupt */
   1490  1.15      onoe 	sc->sc_enab_intr = 1;
   1491  1.10      onoe 	error = awi_intr_lock(sc);
   1492  1.10      onoe 	if (error)
   1493  1.10      onoe 		return error;
   1494  1.10      onoe 	intmask = AWI_INT_GROGGY | AWI_INT_SCAN_CMPLT |
   1495  1.10      onoe 	    AWI_INT_TX | AWI_INT_RX | AWI_INT_CMD;
   1496  1.10      onoe 	awi_write_1(sc, AWI_INTMASK, ~intmask & 0xff);
   1497  1.10      onoe 	awi_write_1(sc, AWI_INTMASK2, 0);
   1498  1.10      onoe 	awi_write_1(sc, AWI_INTSTAT, 0);
   1499  1.10      onoe 	awi_write_1(sc, AWI_INTSTAT2, 0);
   1500  1.10      onoe 	awi_intr_unlock(sc);
   1501  1.10      onoe 	am79c930_gcr_setbits(&sc->sc_chip, AM79C930_GCR_ENECINT);
   1502   1.1  sommerfe 
   1503  1.10      onoe 	/* issueing interface test command */
   1504  1.10      onoe 	error = awi_cmd(sc, AWI_CMD_NOP);
   1505  1.10      onoe 	if (error) {
   1506  1.10      onoe 		printf("%s: failed to complete selftest", sc->sc_dev.dv_xname);
   1507  1.20      onoe 		if (error == ENXIO)
   1508  1.20      onoe 			printf(" (no hardware)\n");
   1509  1.20      onoe 		else if (error != EWOULDBLOCK)
   1510  1.10      onoe 			printf(" (error %d)\n", error);
   1511  1.10      onoe 		else if (sc->sc_cansleep)
   1512  1.10      onoe 			printf(" (lost interrupt)\n");
   1513  1.10      onoe 		else
   1514  1.10      onoe 			printf(" (command timeout)\n");
   1515  1.10      onoe 	}
   1516  1.10      onoe 	return error;
   1517  1.10      onoe }
   1518   1.1  sommerfe 
   1519  1.10      onoe /*
   1520  1.10      onoe  * Extract the factory default MIB value from firmware and assign the driver
   1521  1.10      onoe  * default value.
   1522  1.10      onoe  * Called once at attaching the interface.
   1523  1.10      onoe  */
   1524   1.1  sommerfe 
   1525  1.10      onoe static int
   1526  1.10      onoe awi_init_mibs(sc)
   1527  1.10      onoe 	struct awi_softc *sc;
   1528  1.10      onoe {
   1529  1.10      onoe 	int i, error;
   1530  1.10      onoe 	u_int8_t *rate;
   1531   1.1  sommerfe 
   1532  1.10      onoe 	if ((error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_LOCAL)) != 0 ||
   1533  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_ADDR)) != 0 ||
   1534  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_MAC)) != 0 ||
   1535  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_MGT)) != 0 ||
   1536  1.10      onoe 	    (error = awi_mib(sc, AWI_CMD_GET_MIB, AWI_MIB_PHY)) != 0) {
   1537  1.10      onoe 		printf("%s: failed to get default mib value (error %d)\n",
   1538  1.10      onoe 		    sc->sc_dev.dv_xname, error);
   1539  1.10      onoe 		return error;
   1540  1.10      onoe 	}
   1541  1.10      onoe 
   1542  1.10      onoe 	rate = sc->sc_mib_phy.aSuprt_Data_Rates;
   1543  1.10      onoe 	sc->sc_tx_rate = AWI_RATE_1MBIT;
   1544  1.10      onoe 	for (i = 0; i < rate[1]; i++) {
   1545  1.10      onoe 		if (AWI_80211_RATE(rate[2 + i]) > sc->sc_tx_rate)
   1546  1.10      onoe 			sc->sc_tx_rate = AWI_80211_RATE(rate[2 + i]);
   1547  1.10      onoe 	}
   1548  1.10      onoe 	awi_init_region(sc);
   1549  1.10      onoe 	memset(&sc->sc_mib_mac.aDesired_ESS_ID, 0, AWI_ESS_ID_SIZE);
   1550  1.10      onoe 	sc->sc_mib_mac.aDesired_ESS_ID[0] = IEEE80211_ELEMID_SSID;
   1551  1.10      onoe 	sc->sc_mib_local.Fragmentation_Dis = 1;
   1552  1.10      onoe 	sc->sc_mib_local.Accept_All_Multicast_Dis = 1;
   1553  1.20      onoe 	sc->sc_mib_local.Power_Saving_Mode_Dis = 1;
   1554  1.10      onoe 
   1555  1.10      onoe 	/* allocate buffers */
   1556  1.10      onoe 	sc->sc_txbase = AWI_BUFFERS;
   1557  1.10      onoe 	sc->sc_txend = sc->sc_txbase +
   1558  1.10      onoe 	    (AWI_TXD_SIZE + sizeof(struct ieee80211_frame) +
   1559  1.10      onoe 	    sizeof(struct ether_header) + ETHERMTU) * AWI_NTXBUFS;
   1560  1.10      onoe 	LE_WRITE_4(&sc->sc_mib_local.Tx_Buffer_Offset, sc->sc_txbase);
   1561  1.10      onoe 	LE_WRITE_4(&sc->sc_mib_local.Tx_Buffer_Size,
   1562  1.10      onoe 	    sc->sc_txend - sc->sc_txbase);
   1563  1.10      onoe 	LE_WRITE_4(&sc->sc_mib_local.Rx_Buffer_Offset, sc->sc_txend);
   1564  1.10      onoe 	LE_WRITE_4(&sc->sc_mib_local.Rx_Buffer_Size,
   1565  1.10      onoe 	    AWI_BUFFERS_END - sc->sc_txend);
   1566  1.10      onoe 	sc->sc_mib_local.Network_Mode = 1;
   1567  1.10      onoe 	sc->sc_mib_local.Acting_as_AP = 0;
   1568  1.10      onoe 	return 0;
   1569   1.1  sommerfe }
   1570   1.1  sommerfe 
   1571  1.10      onoe /*
   1572  1.10      onoe  * Start transmitter and receiver of firmware
   1573  1.10      onoe  * Called after awi_init_hw() to start operation.
   1574  1.10      onoe  */
   1575  1.10      onoe 
   1576  1.10      onoe static int
   1577  1.10      onoe awi_init_txrx(sc)
   1578   1.1  sommerfe 	struct awi_softc *sc;
   1579   1.1  sommerfe {
   1580  1.10      onoe 	int error;
   1581   1.1  sommerfe 
   1582  1.10      onoe 	/* start transmitter */
   1583  1.10      onoe 	sc->sc_txdone = sc->sc_txnext = sc->sc_txbase;
   1584  1.10      onoe 	awi_write_4(sc, sc->sc_txbase + AWI_TXD_START, 0);
   1585  1.10      onoe 	awi_write_4(sc, sc->sc_txbase + AWI_TXD_NEXT, 0);
   1586  1.10      onoe 	awi_write_4(sc, sc->sc_txbase + AWI_TXD_LENGTH, 0);
   1587  1.10      onoe 	awi_write_1(sc, sc->sc_txbase + AWI_TXD_RATE, 0);
   1588  1.10      onoe 	awi_write_4(sc, sc->sc_txbase + AWI_TXD_NDA, 0);
   1589  1.10      onoe 	awi_write_4(sc, sc->sc_txbase + AWI_TXD_NRA, 0);
   1590  1.10      onoe 	awi_write_1(sc, sc->sc_txbase + AWI_TXD_STATE, 0);
   1591  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_DATA, sc->sc_txbase);
   1592  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_MGT, 0);
   1593  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_BCAST, 0);
   1594  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_PS, 0);
   1595  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_TX_CF, 0);
   1596  1.10      onoe 	error = awi_cmd(sc, AWI_CMD_INIT_TX);
   1597  1.10      onoe 	if (error)
   1598  1.10      onoe 		return error;
   1599  1.10      onoe 
   1600  1.10      onoe 	/* start receiver */
   1601  1.10      onoe 	if (sc->sc_rxpend) {
   1602  1.10      onoe 		m_freem(sc->sc_rxpend);
   1603  1.10      onoe 		sc->sc_rxpend = NULL;
   1604  1.10      onoe 	}
   1605  1.10      onoe 	error = awi_cmd(sc, AWI_CMD_INIT_RX);
   1606  1.10      onoe 	if (error)
   1607  1.10      onoe 		return error;
   1608  1.10      onoe 	sc->sc_rxdoff = awi_read_4(sc, AWI_CMD_PARAMS+AWI_CA_IRX_DATA_DESC);
   1609  1.10      onoe 	sc->sc_rxmoff = awi_read_4(sc, AWI_CMD_PARAMS+AWI_CA_IRX_PS_DESC);
   1610  1.10      onoe 	return 0;
   1611   1.1  sommerfe }
   1612   1.1  sommerfe 
   1613  1.10      onoe static void
   1614  1.10      onoe awi_stop_txrx(sc)
   1615   1.1  sommerfe 	struct awi_softc *sc;
   1616   1.1  sommerfe {
   1617  1.10      onoe 
   1618  1.20      onoe 	if (sc->sc_cmd_inprog)
   1619  1.20      onoe 		(void)awi_cmd_wait(sc);
   1620  1.10      onoe 	(void)awi_cmd(sc, AWI_CMD_KILL_RX);
   1621  1.20      onoe 	(void)awi_cmd_wait(sc);
   1622  1.20      onoe 	sc->sc_cmd_inprog = AWI_CMD_FLUSH_TX;
   1623  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_DATA, 1);
   1624  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_MGT, 0);
   1625  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_BCAST, 0);
   1626  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_PS, 0);
   1627  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_FTX_CF, 0);
   1628  1.10      onoe 	(void)awi_cmd(sc, AWI_CMD_FLUSH_TX);
   1629  1.20      onoe 	(void)awi_cmd_wait(sc);
   1630   1.1  sommerfe }
   1631   1.1  sommerfe 
   1632  1.18      onoe int
   1633  1.10      onoe awi_init_region(sc)
   1634   1.1  sommerfe 	struct awi_softc *sc;
   1635   1.1  sommerfe {
   1636   1.1  sommerfe 
   1637  1.10      onoe 	if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
   1638  1.10      onoe 		switch (sc->sc_mib_phy.aCurrent_Reg_Domain) {
   1639  1.10      onoe 		case AWI_REG_DOMAIN_US:
   1640  1.10      onoe 		case AWI_REG_DOMAIN_CA:
   1641  1.10      onoe 		case AWI_REG_DOMAIN_EU:
   1642  1.10      onoe 			sc->sc_scan_min = 0;
   1643  1.10      onoe 			sc->sc_scan_max = 77;
   1644  1.10      onoe 			break;
   1645  1.10      onoe 		case AWI_REG_DOMAIN_ES:
   1646  1.10      onoe 			sc->sc_scan_min = 0;
   1647  1.10      onoe 			sc->sc_scan_max = 26;
   1648  1.10      onoe 			break;
   1649  1.10      onoe 		case AWI_REG_DOMAIN_FR:
   1650  1.10      onoe 			sc->sc_scan_min = 0;
   1651  1.10      onoe 			sc->sc_scan_max = 32;
   1652  1.10      onoe 			break;
   1653  1.10      onoe 		case AWI_REG_DOMAIN_JP:
   1654  1.10      onoe 			sc->sc_scan_min = 6;
   1655  1.10      onoe 			sc->sc_scan_max = 17;
   1656  1.10      onoe 			break;
   1657  1.10      onoe 		default:
   1658  1.10      onoe 			return EINVAL;
   1659  1.10      onoe 		}
   1660  1.10      onoe 		sc->sc_scan_set = sc->sc_scan_cur % 3 + 1;
   1661  1.10      onoe 	} else {
   1662  1.10      onoe 		switch (sc->sc_mib_phy.aCurrent_Reg_Domain) {
   1663  1.10      onoe 		case AWI_REG_DOMAIN_US:
   1664  1.10      onoe 		case AWI_REG_DOMAIN_CA:
   1665  1.10      onoe 			sc->sc_scan_min = 1;
   1666  1.10      onoe 			sc->sc_scan_max = 11;
   1667  1.10      onoe 			sc->sc_scan_cur = 3;
   1668  1.10      onoe 			break;
   1669  1.10      onoe 		case AWI_REG_DOMAIN_EU:
   1670  1.10      onoe 			sc->sc_scan_min = 1;
   1671  1.10      onoe 			sc->sc_scan_max = 13;
   1672  1.10      onoe 			sc->sc_scan_cur = 3;
   1673  1.10      onoe 			break;
   1674  1.10      onoe 		case AWI_REG_DOMAIN_ES:
   1675  1.10      onoe 			sc->sc_scan_min = 10;
   1676  1.10      onoe 			sc->sc_scan_max = 11;
   1677  1.10      onoe 			sc->sc_scan_cur = 10;
   1678  1.10      onoe 			break;
   1679  1.10      onoe 		case AWI_REG_DOMAIN_FR:
   1680  1.10      onoe 			sc->sc_scan_min = 10;
   1681  1.10      onoe 			sc->sc_scan_max = 13;
   1682  1.10      onoe 			sc->sc_scan_cur = 10;
   1683  1.10      onoe 			break;
   1684  1.10      onoe 		case AWI_REG_DOMAIN_JP:
   1685  1.10      onoe 			sc->sc_scan_min = 14;
   1686  1.10      onoe 			sc->sc_scan_max = 14;
   1687  1.10      onoe 			sc->sc_scan_cur = 14;
   1688  1.10      onoe 			break;
   1689  1.10      onoe 		default:
   1690  1.10      onoe 			return EINVAL;
   1691  1.10      onoe 		}
   1692  1.10      onoe 	}
   1693  1.18      onoe 	sc->sc_ownch = sc->sc_scan_cur;
   1694  1.10      onoe 	return 0;
   1695   1.1  sommerfe }
   1696   1.1  sommerfe 
   1697  1.10      onoe static int
   1698  1.10      onoe awi_start_scan(sc)
   1699   1.1  sommerfe 	struct awi_softc *sc;
   1700   1.1  sommerfe {
   1701  1.10      onoe 	int error = 0;
   1702  1.18      onoe 	struct awi_bss *bp;
   1703  1.10      onoe 
   1704  1.18      onoe 	while ((bp = TAILQ_FIRST(&sc->sc_scan)) != NULL) {
   1705  1.18      onoe 		TAILQ_REMOVE(&sc->sc_scan, bp, list);
   1706  1.18      onoe 		free(bp, M_DEVBUF);
   1707  1.18      onoe 	}
   1708  1.10      onoe 	if (!sc->sc_mib_local.Network_Mode && sc->sc_no_bssid) {
   1709  1.10      onoe 		memset(&sc->sc_bss, 0, sizeof(sc->sc_bss));
   1710  1.20      onoe 		sc->sc_bss.essid[0] = IEEE80211_ELEMID_SSID;
   1711  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
   1712  1.18      onoe 			sc->sc_bss.chanset = sc->sc_ownch % 3 + 1;
   1713  1.18      onoe 			sc->sc_bss.pattern = sc->sc_ownch;
   1714  1.10      onoe 			sc->sc_bss.index = 1;
   1715  1.20      onoe 			sc->sc_bss.dwell_time = 200;	/*XXX*/
   1716  1.10      onoe 		} else
   1717  1.18      onoe 			sc->sc_bss.chanset = sc->sc_ownch;
   1718  1.10      onoe 		sc->sc_status = AWI_ST_SETSS;
   1719  1.10      onoe 		error = awi_set_ss(sc);
   1720  1.10      onoe 	} else {
   1721  1.10      onoe 		if (sc->sc_mib_local.Network_Mode)
   1722  1.10      onoe 			awi_drvstate(sc, AWI_DRV_INFSC);
   1723  1.10      onoe 		else
   1724  1.10      onoe 			awi_drvstate(sc, AWI_DRV_ADHSC);
   1725  1.10      onoe 		sc->sc_start_bss = 0;
   1726  1.10      onoe 		sc->sc_active_scan = 1;
   1727  1.10      onoe 		sc->sc_mgt_timer = AWI_ASCAN_WAIT / 1000;
   1728  1.10      onoe 		sc->sc_ifp->if_timer = 1;
   1729  1.10      onoe 		sc->sc_status = AWI_ST_SCAN;
   1730  1.10      onoe 		error = awi_cmd_scan(sc);
   1731  1.10      onoe 	}
   1732  1.10      onoe 	return error;
   1733   1.1  sommerfe }
   1734   1.1  sommerfe 
   1735  1.10      onoe static int
   1736  1.10      onoe awi_next_scan(sc)
   1737  1.10      onoe 	struct awi_softc *sc;
   1738  1.10      onoe {
   1739  1.10      onoe 	int error;
   1740   1.1  sommerfe 
   1741  1.10      onoe 	for (;;) {
   1742  1.10      onoe 		/*
   1743  1.10      onoe 		 * The pattern parameter for FH phy should be incremented
   1744  1.10      onoe 		 * by 3.  But BayStack 650 Access Points apparently always
   1745  1.10      onoe 		 * assign hop pattern set parameter to 1 for any pattern.
   1746  1.10      onoe 		 * So we try all combinations of pattern/set parameters.
   1747  1.10      onoe 		 * Since this causes no error, it may be a bug of
   1748  1.10      onoe 		 * PCnetMobile firmware.
   1749  1.10      onoe 		 */
   1750  1.10      onoe 		sc->sc_scan_cur++;
   1751  1.10      onoe 		if (sc->sc_scan_cur > sc->sc_scan_max) {
   1752  1.10      onoe 			sc->sc_scan_cur = sc->sc_scan_min;
   1753  1.10      onoe 			if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
   1754  1.20      onoe 				sc->sc_scan_set = sc->sc_scan_set % 3 + 1;
   1755  1.10      onoe 		}
   1756  1.10      onoe 		error = awi_cmd_scan(sc);
   1757  1.10      onoe 		if (error != EINVAL)
   1758  1.10      onoe 			break;
   1759  1.10      onoe 	}
   1760  1.10      onoe 	return error;
   1761  1.10      onoe }
   1762   1.1  sommerfe 
   1763  1.10      onoe static void
   1764  1.10      onoe awi_stop_scan(sc)
   1765   1.1  sommerfe 	struct awi_softc *sc;
   1766   1.1  sommerfe {
   1767   1.1  sommerfe 	struct ifnet *ifp = sc->sc_ifp;
   1768  1.10      onoe 	struct awi_bss *bp, *sbp;
   1769  1.20      onoe 	int fail;
   1770  1.10      onoe 
   1771  1.10      onoe 	bp = TAILQ_FIRST(&sc->sc_scan);
   1772  1.10      onoe 	if (bp == NULL) {
   1773  1.10      onoe   notfound:
   1774  1.10      onoe 		if (sc->sc_active_scan) {
   1775  1.10      onoe 			if (ifp->if_flags & IFF_DEBUG)
   1776  1.10      onoe 				printf("%s: entering passive scan mode\n",
   1777  1.10      onoe 				    sc->sc_dev.dv_xname);
   1778  1.10      onoe 			sc->sc_active_scan = 0;
   1779  1.10      onoe 		}
   1780  1.10      onoe 		sc->sc_mgt_timer = AWI_PSCAN_WAIT / 1000;
   1781  1.10      onoe 		ifp->if_timer = 1;
   1782  1.10      onoe 		(void)awi_next_scan(sc);
   1783  1.10      onoe 		return;
   1784  1.10      onoe 	}
   1785  1.10      onoe 	sbp = NULL;
   1786  1.20      onoe 	if (ifp->if_flags & IFF_DEBUG)
   1787  1.20      onoe 		printf("%s:\tmacaddr     ch/pat   sig flag  wep  essid\n",
   1788  1.20      onoe 		    sc->sc_dev.dv_xname);
   1789  1.10      onoe 	for (; bp != NULL; bp = TAILQ_NEXT(bp, list)) {
   1790  1.10      onoe 		if (bp->fails) {
   1791  1.10      onoe 			/*
   1792  1.10      onoe 			 * The configuration of the access points may change
   1793  1.10      onoe 			 * during my scan.  So we retries to associate with
   1794  1.10      onoe 			 * it unless there are any suitable AP.
   1795  1.10      onoe 			 */
   1796  1.18      onoe 			if (bp->fails++ < 3)
   1797  1.10      onoe 				continue;
   1798  1.10      onoe 			bp->fails = 0;
   1799  1.10      onoe 		}
   1800  1.20      onoe 		fail = 0;
   1801  1.10      onoe 		/*
   1802  1.10      onoe 		 * Since the firmware apparently scans not only the specified
   1803  1.10      onoe 		 * channel of SCAN command but all available channel within
   1804  1.10      onoe 		 * the region, we should filter out unnecessary responses here.
   1805  1.10      onoe 		 */
   1806  1.10      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
   1807  1.10      onoe 			if (bp->pattern < sc->sc_scan_min ||
   1808  1.10      onoe 			    bp->pattern > sc->sc_scan_max)
   1809  1.20      onoe 				fail |= 0x01;
   1810  1.10      onoe 		} else {
   1811  1.10      onoe 			if (bp->chanset < sc->sc_scan_min ||
   1812  1.10      onoe 			    bp->chanset > sc->sc_scan_max)
   1813  1.20      onoe 				fail |= 0x01;
   1814  1.20      onoe 		}
   1815  1.20      onoe 		if (sc->sc_mib_local.Network_Mode) {
   1816  1.20      onoe 			if (!(bp->capinfo & IEEE80211_CAPINFO_ESS) ||
   1817  1.20      onoe 			    (bp->capinfo & IEEE80211_CAPINFO_IBSS))
   1818  1.20      onoe 				fail |= 0x02;
   1819  1.20      onoe 		} else {
   1820  1.20      onoe 			if ((bp->capinfo & IEEE80211_CAPINFO_ESS) ||
   1821  1.20      onoe 			    !(bp->capinfo & IEEE80211_CAPINFO_IBSS))
   1822  1.20      onoe 				fail |= 0x02;
   1823  1.20      onoe 		}
   1824  1.20      onoe 		if (sc->sc_wep_algo == NULL) {
   1825  1.20      onoe 			if (bp->capinfo & IEEE80211_CAPINFO_PRIVACY)
   1826  1.20      onoe 				fail |= 0x04;
   1827  1.20      onoe 		} else {
   1828  1.20      onoe 			if (!(bp->capinfo & IEEE80211_CAPINFO_PRIVACY))
   1829  1.20      onoe 				fail |= 0x04;
   1830  1.20      onoe 		}
   1831  1.20      onoe 		if (sc->sc_mib_mac.aDesired_ESS_ID[1] != 0 &&
   1832  1.20      onoe 		    memcmp(&sc->sc_mib_mac.aDesired_ESS_ID, bp->essid,
   1833  1.20      onoe 		    sizeof(bp->essid)) != 0)
   1834  1.20      onoe 			fail |= 0x08;
   1835  1.20      onoe 		if (ifp->if_flags & IFF_DEBUG) {
   1836  1.20      onoe 			printf(" %c %s", fail ? '-' : '+',
   1837  1.20      onoe 			    ether_sprintf(bp->esrc));
   1838  1.20      onoe 			if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
   1839  1.20      onoe 				printf("  %2d/%d%c", bp->pattern, bp->chanset,
   1840  1.20      onoe 				    fail & 0x01 ? '!' : ' ');
   1841  1.20      onoe 			else
   1842  1.20      onoe 				printf("  %4d%c", bp->chanset,
   1843  1.20      onoe 				    fail & 0x01 ? '!' : ' ');
   1844  1.20      onoe 			printf(" %+4d", bp->rssi);
   1845  1.20      onoe 			printf(" %4s%c",
   1846  1.20      onoe 			    (bp->capinfo & IEEE80211_CAPINFO_ESS) ? "ess" :
   1847  1.20      onoe 			    (bp->capinfo & IEEE80211_CAPINFO_IBSS) ? "ibss" :
   1848  1.20      onoe 			    "????",
   1849  1.20      onoe 			    fail & 0x02 ? '!' : ' ');
   1850  1.20      onoe 			printf(" %3s%c ",
   1851  1.20      onoe 			    (bp->capinfo & IEEE80211_CAPINFO_PRIVACY) ? "wep" :
   1852  1.20      onoe 			    "no",
   1853  1.20      onoe 			    fail & 0x04 ? '!' : ' ');
   1854  1.20      onoe 			awi_print_essid(bp->essid);
   1855  1.20      onoe 			printf("%s\n", fail & 0x08 ? "!" : "");
   1856  1.20      onoe 		}
   1857  1.20      onoe 		if (!fail) {
   1858  1.20      onoe 			if (sbp == NULL || bp->rssi > sbp->rssi)
   1859  1.20      onoe 				sbp = bp;
   1860  1.10      onoe 		}
   1861  1.10      onoe 	}
   1862  1.10      onoe 	if (sbp == NULL)
   1863  1.10      onoe 		goto notfound;
   1864  1.10      onoe 	sc->sc_bss = *sbp;
   1865  1.10      onoe 	(void)awi_set_ss(sc);
   1866  1.10      onoe }
   1867   1.1  sommerfe 
   1868  1.10      onoe static void
   1869  1.10      onoe awi_recv_beacon(sc, m0, rxts, rssi)
   1870  1.10      onoe 	struct awi_softc *sc;
   1871  1.10      onoe 	struct mbuf *m0;
   1872  1.10      onoe 	u_int32_t rxts;
   1873  1.10      onoe 	u_int8_t rssi;
   1874  1.10      onoe {
   1875  1.10      onoe 	struct ieee80211_frame *wh;
   1876  1.10      onoe 	struct awi_bss *bp;
   1877  1.10      onoe 	u_int8_t *frame, *eframe;
   1878  1.20      onoe 	u_int8_t *tstamp, *bintval, *capinfo, *ssid, *rates, *parms;
   1879   1.1  sommerfe 
   1880  1.10      onoe 	if (sc->sc_status != AWI_ST_SCAN)
   1881  1.10      onoe 		return;
   1882  1.10      onoe 	wh = mtod(m0, struct ieee80211_frame *);
   1883   1.1  sommerfe 
   1884  1.10      onoe 	frame = (u_int8_t *)&wh[1];
   1885  1.10      onoe 	eframe = mtod(m0, u_int8_t *) + m0->m_len;
   1886  1.10      onoe 	/*
   1887  1.10      onoe 	 * XXX:
   1888  1.10      onoe 	 *	timestamp [8]
   1889  1.10      onoe 	 *	beacon interval [2]
   1890  1.10      onoe 	 *	capability information [2]
   1891  1.10      onoe 	 *	ssid [tlv]
   1892  1.10      onoe 	 *	supported rates [tlv]
   1893  1.10      onoe 	 *	parameter set [tlv]
   1894  1.10      onoe 	 *	...
   1895  1.10      onoe 	 */
   1896  1.10      onoe 	if (frame + 12 > eframe) {
   1897  1.10      onoe #ifdef AWI_DEBUG
   1898  1.10      onoe 		if (awi_verbose)
   1899  1.10      onoe 			printf("awi_recv_beacon: frame too short \n");
   1900  1.10      onoe #endif
   1901  1.10      onoe 		return;
   1902  1.10      onoe 	}
   1903  1.10      onoe 	tstamp = frame;
   1904  1.10      onoe 	frame += 8;
   1905  1.20      onoe 	bintval = frame;
   1906  1.10      onoe 	frame += 2;
   1907  1.10      onoe 	capinfo = frame;
   1908  1.10      onoe 	frame += 2;
   1909  1.10      onoe 
   1910  1.10      onoe 	ssid = rates = parms = NULL;
   1911  1.10      onoe 	while (frame < eframe) {
   1912  1.10      onoe 		switch (*frame) {
   1913  1.10      onoe 		case IEEE80211_ELEMID_SSID:
   1914  1.10      onoe 			ssid = frame;
   1915  1.10      onoe 			break;
   1916  1.10      onoe 		case IEEE80211_ELEMID_RATES:
   1917  1.10      onoe 			rates = frame;
   1918  1.10      onoe 			break;
   1919  1.10      onoe 		case IEEE80211_ELEMID_FHPARMS:
   1920  1.10      onoe 		case IEEE80211_ELEMID_DSPARMS:
   1921  1.10      onoe 			parms = frame;
   1922  1.10      onoe 			break;
   1923  1.10      onoe 		}
   1924  1.10      onoe 		frame += frame[1] + 2;
   1925  1.10      onoe 	}
   1926  1.10      onoe 	if (ssid == NULL || rates == NULL || parms == NULL) {
   1927  1.10      onoe #ifdef AWI_DEBUG
   1928  1.10      onoe 		if (awi_verbose)
   1929  1.10      onoe 			printf("awi_recv_beacon: ssid=%p, rates=%p, parms=%p\n",
   1930  1.10      onoe 			    ssid, rates, parms);
   1931  1.10      onoe #endif
   1932  1.10      onoe 		return;
   1933  1.10      onoe 	}
   1934  1.10      onoe 	if (ssid[1] > IEEE80211_NWID_LEN) {
   1935  1.10      onoe #ifdef AWI_DEBUG
   1936  1.10      onoe 		if (awi_verbose)
   1937  1.10      onoe 			printf("awi_recv_beacon: bad ssid len: %d from %s\n",
   1938  1.10      onoe 			    ssid[1], ether_sprintf(wh->i_addr2));
   1939  1.10      onoe #endif
   1940   1.1  sommerfe 		return;
   1941   1.1  sommerfe 	}
   1942  1.10      onoe 
   1943  1.10      onoe 	for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
   1944  1.10      onoe 	    bp = TAILQ_NEXT(bp, list)) {
   1945  1.10      onoe 		if (memcmp(bp->esrc, wh->i_addr2, ETHER_ADDR_LEN) == 0 &&
   1946  1.10      onoe 		    memcmp(bp->bssid, wh->i_addr3, ETHER_ADDR_LEN) == 0)
   1947  1.10      onoe 			break;
   1948   1.1  sommerfe 	}
   1949  1.10      onoe 	if (bp == NULL) {
   1950  1.10      onoe 		bp = malloc(sizeof(struct awi_bss), M_DEVBUF, M_NOWAIT);
   1951  1.10      onoe 		if (bp == NULL)
   1952  1.10      onoe 			return;
   1953  1.10      onoe 		TAILQ_INSERT_TAIL(&sc->sc_scan, bp, list);
   1954  1.10      onoe 		memcpy(bp->esrc, wh->i_addr2, ETHER_ADDR_LEN);
   1955  1.10      onoe 		memcpy(bp->bssid, wh->i_addr3, ETHER_ADDR_LEN);
   1956  1.10      onoe 		memset(bp->essid, 0, sizeof(bp->essid));
   1957  1.10      onoe 		memcpy(bp->essid, ssid, 2 + ssid[1]);
   1958  1.10      onoe 	}
   1959  1.10      onoe 	bp->rssi = rssi;
   1960  1.10      onoe 	bp->rxtime = rxts;
   1961  1.10      onoe 	memcpy(bp->timestamp, tstamp, sizeof(bp->timestamp));
   1962  1.20      onoe 	bp->interval = LE_READ_2(bintval);
   1963  1.20      onoe 	bp->capinfo = LE_READ_2(capinfo);
   1964  1.10      onoe 	if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
   1965  1.10      onoe 		bp->chanset = parms[4];
   1966  1.10      onoe 		bp->pattern = parms[5];
   1967  1.10      onoe 		bp->index = parms[6];
   1968  1.10      onoe 		bp->dwell_time = LE_READ_2(parms + 2);
   1969   1.1  sommerfe 	} else {
   1970  1.10      onoe 		bp->chanset = parms[2];
   1971  1.10      onoe 		bp->pattern = 0;
   1972  1.10      onoe 		bp->index = 0;
   1973  1.10      onoe 		bp->dwell_time = 0;
   1974   1.1  sommerfe 	}
   1975  1.10      onoe 	if (sc->sc_mgt_timer == 0)
   1976  1.10      onoe 		awi_stop_scan(sc);
   1977   1.1  sommerfe }
   1978   1.1  sommerfe 
   1979  1.10      onoe static int
   1980  1.10      onoe awi_set_ss(sc)
   1981   1.1  sommerfe 	struct awi_softc *sc;
   1982   1.1  sommerfe {
   1983  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   1984  1.10      onoe 	struct awi_bss *bp;
   1985  1.10      onoe 	int error;
   1986   1.1  sommerfe 
   1987  1.10      onoe 	sc->sc_status = AWI_ST_SETSS;
   1988  1.10      onoe 	bp = &sc->sc_bss;
   1989  1.10      onoe 	if (ifp->if_flags & IFF_DEBUG) {
   1990  1.20      onoe 		printf("%s: ch %d pat %d id %d dw %d iv %d bss %s ssid ",
   1991  1.10      onoe 		    sc->sc_dev.dv_xname, bp->chanset,
   1992  1.10      onoe 		    bp->pattern, bp->index, bp->dwell_time, bp->interval,
   1993  1.20      onoe 		    ether_sprintf(bp->bssid));
   1994  1.20      onoe 		awi_print_essid(bp->essid);
   1995  1.20      onoe 		printf("\n");
   1996  1.10      onoe 	}
   1997  1.10      onoe 	memcpy(&sc->sc_mib_mgt.aCurrent_BSS_ID, bp->bssid, ETHER_ADDR_LEN);
   1998  1.10      onoe 	memcpy(&sc->sc_mib_mgt.aCurrent_ESS_ID, bp->essid,
   1999  1.10      onoe 	    AWI_ESS_ID_SIZE);
   2000  1.10      onoe 	LE_WRITE_2(&sc->sc_mib_mgt.aBeacon_Period, bp->interval);
   2001  1.10      onoe 	error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT);
   2002  1.10      onoe 	return error;
   2003   1.1  sommerfe }
   2004   1.1  sommerfe 
   2005  1.10      onoe static void
   2006  1.10      onoe awi_try_sync(sc)
   2007   1.1  sommerfe 	struct awi_softc *sc;
   2008   1.1  sommerfe {
   2009  1.10      onoe 	struct awi_bss *bp;
   2010  1.10      onoe 
   2011  1.10      onoe 	sc->sc_status = AWI_ST_SYNC;
   2012  1.10      onoe 	bp = &sc->sc_bss;
   2013  1.10      onoe 
   2014  1.10      onoe 	if (sc->sc_cmd_inprog) {
   2015  1.10      onoe 		if (awi_cmd_wait(sc))
   2016  1.10      onoe 			return;
   2017   1.1  sommerfe 	}
   2018  1.20      onoe 	sc->sc_cmd_inprog = AWI_CMD_SYNC;
   2019  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_SET, bp->chanset);
   2020  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_PATTERN, bp->pattern);
   2021  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_IDX, bp->index);
   2022  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_STARTBSS,
   2023  1.10      onoe 	    sc->sc_start_bss ? 1 : 0);
   2024  1.10      onoe 	awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_DWELL, bp->dwell_time);
   2025  1.10      onoe 	awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_MBZ, 0);
   2026  1.10      onoe 	awi_write_bytes(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_TIMESTAMP,
   2027  1.10      onoe 	    bp->timestamp, 8);
   2028  1.10      onoe 	awi_write_4(sc, AWI_CMD_PARAMS+AWI_CA_SYNC_REFTIME, bp->rxtime);
   2029  1.10      onoe 	(void)awi_cmd(sc, AWI_CMD_SYNC);
   2030   1.1  sommerfe }
   2031   1.1  sommerfe 
   2032  1.10      onoe static void
   2033  1.10      onoe awi_sync_done(sc)
   2034   1.1  sommerfe 	struct awi_softc *sc;
   2035   1.1  sommerfe {
   2036  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   2037   1.1  sommerfe 
   2038  1.10      onoe 	if (sc->sc_mib_local.Network_Mode) {
   2039  1.10      onoe 		awi_drvstate(sc, AWI_DRV_INFSY);
   2040  1.20      onoe 		awi_send_auth(sc, 1);
   2041  1.10      onoe 	} else {
   2042  1.22      onoe 		if (ifp->if_flags & IFF_DEBUG) {
   2043  1.22      onoe 			printf("%s: synced with", sc->sc_dev.dv_xname);
   2044  1.22      onoe 			if (sc->sc_no_bssid)
   2045  1.22      onoe 				printf(" no-bssid");
   2046  1.22      onoe 			else {
   2047  1.22      onoe 				printf(" %s ssid ",
   2048  1.22      onoe 				    ether_sprintf(sc->sc_bss.bssid));
   2049  1.22      onoe 				awi_print_essid(sc->sc_bss.essid);
   2050  1.22      onoe 			}
   2051  1.22      onoe 			if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
   2052  1.22      onoe 				printf(" at chanset %d pattern %d\n",
   2053  1.22      onoe 				    sc->sc_bss.chanset, sc->sc_bss.pattern);
   2054  1.22      onoe 			else
   2055  1.22      onoe 				printf(" at channel %d\n", sc->sc_bss.chanset);
   2056  1.20      onoe 		}
   2057  1.10      onoe 		awi_drvstate(sc, AWI_DRV_ADHSY);
   2058  1.10      onoe 		sc->sc_status = AWI_ST_RUNNING;
   2059  1.10      onoe 		ifp->if_flags |= IFF_RUNNING;
   2060  1.10      onoe 		awi_start(ifp);
   2061   1.1  sommerfe 	}
   2062   1.1  sommerfe }
   2063   1.1  sommerfe 
   2064  1.10      onoe static void
   2065  1.10      onoe awi_send_deauth(sc)
   2066   1.1  sommerfe 	struct awi_softc *sc;
   2067   1.1  sommerfe {
   2068  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   2069  1.10      onoe 	struct mbuf *m;
   2070  1.10      onoe 	struct ieee80211_frame *wh;
   2071  1.10      onoe 	u_int8_t *deauth;
   2072  1.10      onoe 
   2073  1.10      onoe 	MGETHDR(m, M_DONTWAIT, MT_DATA);
   2074  1.10      onoe 	if (m == NULL)
   2075  1.10      onoe 		return;
   2076  1.10      onoe 	if (ifp->if_flags & IFF_DEBUG)
   2077  1.10      onoe 		printf("%s: sending deauth to %s\n", sc->sc_dev.dv_xname,
   2078  1.10      onoe 		    ether_sprintf(sc->sc_bss.bssid));
   2079  1.10      onoe 
   2080  1.10      onoe 	wh = mtod(m, struct ieee80211_frame *);
   2081  1.10      onoe 	wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
   2082  1.10      onoe 	    IEEE80211_FC0_SUBTYPE_AUTH;
   2083  1.10      onoe 	wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
   2084  1.10      onoe 	LE_WRITE_2(wh->i_dur, 0);
   2085  1.10      onoe 	LE_WRITE_2(wh->i_seq, 0);
   2086  1.10      onoe 	memcpy(wh->i_addr1, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   2087  1.10      onoe 	memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
   2088  1.10      onoe 	memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   2089  1.10      onoe 
   2090  1.10      onoe 	deauth = (u_int8_t *)&wh[1];
   2091  1.10      onoe 	LE_WRITE_2(deauth, IEEE80211_REASON_AUTH_LEAVE);
   2092  1.10      onoe 	deauth += 2;
   2093   1.1  sommerfe 
   2094  1.10      onoe 	m->m_pkthdr.len = m->m_len = deauth - mtod(m, u_int8_t *);
   2095  1.10      onoe 	IF_ENQUEUE(&sc->sc_mgtq, m);
   2096  1.10      onoe 	awi_start(ifp);
   2097  1.10      onoe 	awi_drvstate(sc, AWI_DRV_INFTOSS);
   2098   1.1  sommerfe }
   2099   1.1  sommerfe 
   2100  1.10      onoe static void
   2101  1.20      onoe awi_send_auth(sc, seq)
   2102   1.1  sommerfe 	struct awi_softc *sc;
   2103  1.20      onoe 	int seq;
   2104   1.1  sommerfe {
   2105  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   2106  1.10      onoe 	struct mbuf *m;
   2107  1.10      onoe 	struct ieee80211_frame *wh;
   2108  1.10      onoe 	u_int8_t *auth;
   2109  1.10      onoe 
   2110  1.10      onoe 	MGETHDR(m, M_DONTWAIT, MT_DATA);
   2111  1.10      onoe 	if (m == NULL)
   2112   1.1  sommerfe 		return;
   2113  1.10      onoe 	sc->sc_status = AWI_ST_AUTH;
   2114  1.10      onoe 	if (ifp->if_flags & IFF_DEBUG)
   2115  1.10      onoe 		printf("%s: sending auth to %s\n", sc->sc_dev.dv_xname,
   2116  1.10      onoe 		    ether_sprintf(sc->sc_bss.bssid));
   2117  1.10      onoe 
   2118  1.10      onoe 	wh = mtod(m, struct ieee80211_frame *);
   2119  1.10      onoe 	wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT |
   2120  1.10      onoe 	    IEEE80211_FC0_SUBTYPE_AUTH;
   2121  1.10      onoe 	wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
   2122  1.10      onoe 	LE_WRITE_2(wh->i_dur, 0);
   2123  1.10      onoe 	LE_WRITE_2(wh->i_seq, 0);
   2124  1.20      onoe 	memcpy(wh->i_addr1, sc->sc_bss.esrc, ETHER_ADDR_LEN);
   2125  1.10      onoe 	memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
   2126  1.10      onoe 	memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   2127  1.10      onoe 
   2128  1.10      onoe 	auth = (u_int8_t *)&wh[1];
   2129  1.10      onoe 	/* algorithm number */
   2130  1.10      onoe 	LE_WRITE_2(auth, IEEE80211_AUTH_ALG_OPEN);
   2131  1.10      onoe 	auth += 2;
   2132  1.10      onoe 	/* sequence number */
   2133  1.20      onoe 	LE_WRITE_2(auth, seq);
   2134  1.10      onoe 	auth += 2;
   2135  1.10      onoe 	/* status */
   2136  1.10      onoe 	LE_WRITE_2(auth, 0);
   2137  1.10      onoe 	auth += 2;
   2138  1.10      onoe 
   2139  1.10      onoe 	m->m_pkthdr.len = m->m_len = auth - mtod(m, u_int8_t *);
   2140  1.10      onoe 	IF_ENQUEUE(&sc->sc_mgtq, m);
   2141  1.10      onoe 	awi_start(ifp);
   2142  1.10      onoe 
   2143  1.10      onoe 	sc->sc_mgt_timer = AWI_TRANS_TIMEOUT / 1000;
   2144  1.10      onoe 	ifp->if_timer = 1;
   2145   1.1  sommerfe }
   2146   1.1  sommerfe 
   2147  1.10      onoe static void
   2148  1.10      onoe awi_recv_auth(sc, m0)
   2149   1.1  sommerfe 	struct awi_softc *sc;
   2150  1.10      onoe 	struct mbuf *m0;
   2151   1.1  sommerfe {
   2152  1.10      onoe 	struct ieee80211_frame *wh;
   2153  1.10      onoe 	u_int8_t *auth, *eframe;
   2154  1.10      onoe 	struct awi_bss *bp;
   2155  1.10      onoe 	u_int16_t status;
   2156  1.10      onoe 
   2157  1.10      onoe 	wh = mtod(m0, struct ieee80211_frame *);
   2158  1.10      onoe 	auth = (u_int8_t *)&wh[1];
   2159  1.10      onoe 	eframe = mtod(m0, u_int8_t *) + m0->m_len;
   2160  1.10      onoe 	if (sc->sc_ifp->if_flags & IFF_DEBUG)
   2161  1.10      onoe 		printf("%s: receive auth from %s\n", sc->sc_dev.dv_xname,
   2162  1.10      onoe 		    ether_sprintf(wh->i_addr2));
   2163   1.1  sommerfe 
   2164  1.20      onoe 	/* algorithm number */
   2165  1.20      onoe 	if (LE_READ_2(auth) != IEEE80211_AUTH_ALG_OPEN)
   2166  1.20      onoe 		return;
   2167  1.20      onoe 	auth += 2;
   2168  1.10      onoe 	if (!sc->sc_mib_local.Network_Mode) {
   2169  1.20      onoe 		if (sc->sc_status != AWI_ST_RUNNING)
   2170  1.20      onoe 			return;
   2171  1.20      onoe 		if (LE_READ_2(auth) == 1)
   2172  1.20      onoe 			awi_send_auth(sc, 2);
   2173  1.10      onoe 		return;
   2174  1.10      onoe 	}
   2175  1.10      onoe 	if (sc->sc_status != AWI_ST_AUTH)
   2176  1.10      onoe 		return;
   2177  1.10      onoe 	/* sequence number */
   2178  1.10      onoe 	if (LE_READ_2(auth) != 2)
   2179  1.10      onoe 		return;
   2180  1.10      onoe 	auth += 2;
   2181  1.10      onoe 	/* status */
   2182  1.10      onoe 	status = LE_READ_2(auth);
   2183  1.10      onoe 	if (status != 0) {
   2184  1.10      onoe 		printf("%s: authentication failed (reason %d)\n",
   2185  1.10      onoe 		    sc->sc_dev.dv_xname, status);
   2186  1.10      onoe 		for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
   2187  1.10      onoe 		    bp = TAILQ_NEXT(bp, list)) {
   2188  1.10      onoe 			if (memcmp(bp->esrc, sc->sc_bss.esrc, ETHER_ADDR_LEN)
   2189  1.10      onoe 			    == 0) {
   2190  1.10      onoe 				bp->fails++;
   2191  1.10      onoe 				break;
   2192  1.10      onoe 			}
   2193  1.10      onoe 		}
   2194   1.1  sommerfe 		return;
   2195   1.1  sommerfe 	}
   2196  1.10      onoe 	sc->sc_mgt_timer = 0;
   2197  1.10      onoe 	awi_drvstate(sc, AWI_DRV_INFAUTH);
   2198  1.10      onoe 	awi_send_asreq(sc, 0);
   2199   1.1  sommerfe }
   2200   1.1  sommerfe 
   2201  1.10      onoe static void
   2202  1.10      onoe awi_send_asreq(sc, reassoc)
   2203   1.1  sommerfe 	struct awi_softc *sc;
   2204  1.10      onoe 	int reassoc;
   2205   1.1  sommerfe {
   2206  1.10      onoe 	struct ifnet *ifp = sc->sc_ifp;
   2207  1.10      onoe 	struct mbuf *m;
   2208  1.10      onoe 	struct ieee80211_frame *wh;
   2209  1.10      onoe 	u_int16_t lintval;
   2210  1.10      onoe 	u_int8_t *asreq;
   2211   1.1  sommerfe 
   2212  1.10      onoe 	MGETHDR(m, M_DONTWAIT, MT_DATA);
   2213  1.10      onoe 	if (m == NULL)
   2214   1.1  sommerfe 		return;
   2215  1.10      onoe 	sc->sc_status = AWI_ST_ASSOC;
   2216  1.10      onoe 	if (ifp->if_flags & IFF_DEBUG)
   2217  1.10      onoe 		printf("%s: sending %sassoc req to %s\n", sc->sc_dev.dv_xname,
   2218  1.10      onoe 		    reassoc ? "re" : "",
   2219  1.10      onoe 		    ether_sprintf(sc->sc_bss.bssid));
   2220  1.10      onoe 
   2221  1.10      onoe 	wh = mtod(m, struct ieee80211_frame *);
   2222  1.10      onoe 	wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_MGT;
   2223  1.10      onoe 	if (reassoc)
   2224  1.10      onoe 		wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_REASSOC_REQ;
   2225  1.10      onoe 	else
   2226  1.10      onoe 		wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_ASSOC_REQ;
   2227  1.10      onoe 	wh->i_fc[1] = IEEE80211_FC1_DIR_NODS;
   2228  1.10      onoe 	LE_WRITE_2(wh->i_dur, 0);
   2229  1.10      onoe 	LE_WRITE_2(wh->i_seq, 0);
   2230  1.20      onoe 	memcpy(wh->i_addr1, sc->sc_bss.esrc, ETHER_ADDR_LEN);
   2231  1.10      onoe 	memcpy(wh->i_addr2, sc->sc_mib_addr.aMAC_Address, ETHER_ADDR_LEN);
   2232  1.10      onoe 	memcpy(wh->i_addr3, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   2233  1.10      onoe 
   2234  1.10      onoe 	asreq = (u_int8_t *)&wh[1];
   2235  1.10      onoe 
   2236  1.10      onoe 	/* capability info */
   2237  1.24      onoe 	if (sc->sc_wep_algo == NULL)
   2238  1.24      onoe 		LE_WRITE_2(asreq, IEEE80211_CAPINFO_CF_POLLABLE);
   2239  1.24      onoe 	else
   2240  1.24      onoe 		LE_WRITE_2(asreq,
   2241  1.24      onoe 		    IEEE80211_CAPINFO_CF_POLLABLE | IEEE80211_CAPINFO_PRIVACY);
   2242  1.10      onoe 	asreq += 2;
   2243  1.10      onoe 	/* listen interval */
   2244  1.10      onoe 	lintval = LE_READ_2(&sc->sc_mib_mgt.aListen_Interval);
   2245  1.10      onoe 	LE_WRITE_2(asreq, lintval);
   2246  1.10      onoe 	asreq += 2;
   2247  1.10      onoe 	if (reassoc) {
   2248  1.10      onoe 		/* current AP address */
   2249  1.10      onoe 		memcpy(asreq, sc->sc_bss.bssid, ETHER_ADDR_LEN);
   2250  1.10      onoe 		asreq += ETHER_ADDR_LEN;
   2251  1.10      onoe 	}
   2252  1.10      onoe 	/* ssid */
   2253  1.10      onoe 	memcpy(asreq, sc->sc_bss.essid, 2 + sc->sc_bss.essid[1]);
   2254  1.10      onoe 	asreq += 2 + asreq[1];
   2255  1.10      onoe 	/* supported rates */
   2256  1.10      onoe 	memcpy(asreq, &sc->sc_mib_phy.aSuprt_Data_Rates, 4);
   2257  1.10      onoe 	asreq += 2 + asreq[1];
   2258   1.1  sommerfe 
   2259  1.10      onoe 	m->m_pkthdr.len = m->m_len = asreq - mtod(m, u_int8_t *);
   2260  1.10      onoe 	IF_ENQUEUE(&sc->sc_mgtq, m);
   2261  1.10      onoe 	awi_start(ifp);
   2262   1.1  sommerfe 
   2263  1.10      onoe 	sc->sc_mgt_timer = AWI_TRANS_TIMEOUT / 1000;
   2264  1.10      onoe 	ifp->if_timer = 1;
   2265   1.1  sommerfe }
   2266   1.1  sommerfe 
   2267  1.10      onoe static void
   2268  1.10      onoe awi_recv_asresp(sc, m0)
   2269   1.1  sommerfe 	struct awi_softc *sc;
   2270  1.10      onoe 	struct mbuf *m0;
   2271   1.1  sommerfe {
   2272  1.10      onoe 	struct ieee80211_frame *wh;
   2273  1.10      onoe 	u_int8_t *asresp, *eframe;
   2274  1.10      onoe 	u_int16_t status;
   2275  1.10      onoe 	u_int8_t rate, *phy_rates;
   2276  1.10      onoe 	struct awi_bss *bp;
   2277  1.10      onoe 	int i, j;
   2278  1.10      onoe 
   2279  1.10      onoe 	wh = mtod(m0, struct ieee80211_frame *);
   2280  1.10      onoe 	asresp = (u_int8_t *)&wh[1];
   2281  1.10      onoe 	eframe = mtod(m0, u_int8_t *) + m0->m_len;
   2282  1.10      onoe 	if (sc->sc_ifp->if_flags & IFF_DEBUG)
   2283  1.10      onoe 		printf("%s: receive assoc resp from %s\n", sc->sc_dev.dv_xname,
   2284  1.10      onoe 		    ether_sprintf(wh->i_addr2));
   2285  1.10      onoe 
   2286  1.10      onoe 	if (!sc->sc_mib_local.Network_Mode)
   2287  1.10      onoe 		return;
   2288   1.1  sommerfe 
   2289  1.10      onoe 	if (sc->sc_status != AWI_ST_ASSOC)
   2290  1.10      onoe 		return;
   2291  1.10      onoe 	/* capability info */
   2292  1.10      onoe 	asresp += 2;
   2293  1.10      onoe 	/* status */
   2294  1.10      onoe 	status = LE_READ_2(asresp);
   2295  1.10      onoe 	if (status != 0) {
   2296  1.10      onoe 		printf("%s: association failed (reason %d)\n",
   2297  1.10      onoe 		    sc->sc_dev.dv_xname, status);
   2298  1.10      onoe 		for (bp = TAILQ_FIRST(&sc->sc_scan); bp != NULL;
   2299  1.10      onoe 		    bp = TAILQ_NEXT(bp, list)) {
   2300  1.10      onoe 			if (memcmp(bp->esrc, sc->sc_bss.esrc, ETHER_ADDR_LEN)
   2301  1.10      onoe 			    == 0) {
   2302  1.10      onoe 				bp->fails++;
   2303  1.10      onoe 				break;
   2304  1.10      onoe 			}
   2305  1.10      onoe 		}
   2306   1.1  sommerfe 		return;
   2307   1.1  sommerfe 	}
   2308  1.10      onoe 	asresp += 2;
   2309  1.10      onoe 	/* association id */
   2310  1.10      onoe 	asresp += 2;
   2311  1.10      onoe 	/* supported rates */
   2312  1.10      onoe 	rate = AWI_RATE_1MBIT;
   2313  1.10      onoe 	for (i = 0; i < asresp[1]; i++) {
   2314  1.10      onoe 		if (AWI_80211_RATE(asresp[2 + i]) <= rate)
   2315  1.10      onoe 			continue;
   2316  1.10      onoe 		phy_rates = sc->sc_mib_phy.aSuprt_Data_Rates;
   2317  1.10      onoe 		for (j = 0; j < phy_rates[1]; j++) {
   2318  1.10      onoe 			if (AWI_80211_RATE(asresp[2 + i]) ==
   2319  1.10      onoe 			    AWI_80211_RATE(phy_rates[2 + j]))
   2320  1.10      onoe 				rate = AWI_80211_RATE(asresp[2 + i]);
   2321  1.10      onoe 		}
   2322  1.10      onoe 	}
   2323  1.22      onoe 	if (sc->sc_ifp->if_flags & IFF_DEBUG) {
   2324  1.22      onoe 		printf("%s: associated with %s ssid ",
   2325  1.22      onoe 		    sc->sc_dev.dv_xname, ether_sprintf(sc->sc_bss.bssid));
   2326  1.22      onoe 		awi_print_essid(sc->sc_bss.essid);
   2327  1.22      onoe 		if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH)
   2328  1.22      onoe 			printf(" chanset %d pattern %d\n",
   2329  1.22      onoe 			    sc->sc_bss.chanset, sc->sc_bss.pattern);
   2330  1.22      onoe 		else
   2331  1.22      onoe 			printf(" channel %d\n", sc->sc_bss.chanset);
   2332  1.22      onoe 	}
   2333  1.10      onoe 	sc->sc_tx_rate = rate;
   2334  1.10      onoe 	sc->sc_mgt_timer = 0;
   2335  1.10      onoe 	sc->sc_rx_timer = 10;
   2336  1.10      onoe 	sc->sc_ifp->if_timer = 1;
   2337  1.10      onoe 	sc->sc_status = AWI_ST_RUNNING;
   2338  1.10      onoe 	sc->sc_ifp->if_flags |= IFF_RUNNING;
   2339  1.10      onoe 	awi_drvstate(sc, AWI_DRV_INFASSOC);
   2340  1.10      onoe 	awi_start(sc->sc_ifp);
   2341   1.1  sommerfe }
   2342   1.1  sommerfe 
   2343  1.10      onoe static int
   2344  1.10      onoe awi_mib(sc, cmd, mib)
   2345   1.1  sommerfe 	struct awi_softc *sc;
   2346  1.10      onoe 	u_int8_t cmd;
   2347  1.10      onoe 	u_int8_t mib;
   2348   1.1  sommerfe {
   2349  1.10      onoe 	int error;
   2350  1.10      onoe 	u_int8_t size, *ptr;
   2351   1.1  sommerfe 
   2352  1.10      onoe 	switch (mib) {
   2353  1.10      onoe 	case AWI_MIB_LOCAL:
   2354  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_local;
   2355  1.10      onoe 		size = sizeof(sc->sc_mib_local);
   2356  1.10      onoe 		break;
   2357  1.10      onoe 	case AWI_MIB_ADDR:
   2358  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_addr;
   2359  1.10      onoe 		size = sizeof(sc->sc_mib_addr);
   2360  1.10      onoe 		break;
   2361  1.10      onoe 	case AWI_MIB_MAC:
   2362  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_mac;
   2363  1.10      onoe 		size = sizeof(sc->sc_mib_mac);
   2364  1.10      onoe 		break;
   2365  1.10      onoe 	case AWI_MIB_STAT:
   2366  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_stat;
   2367  1.10      onoe 		size = sizeof(sc->sc_mib_stat);
   2368  1.10      onoe 		break;
   2369  1.10      onoe 	case AWI_MIB_MGT:
   2370  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_mgt;
   2371  1.10      onoe 		size = sizeof(sc->sc_mib_mgt);
   2372  1.10      onoe 		break;
   2373  1.10      onoe 	case AWI_MIB_PHY:
   2374  1.10      onoe 		ptr = (u_int8_t *)&sc->sc_mib_phy;
   2375  1.10      onoe 		size = sizeof(sc->sc_mib_phy);
   2376  1.10      onoe 		break;
   2377  1.10      onoe 	default:
   2378  1.10      onoe 		return EINVAL;
   2379   1.1  sommerfe 	}
   2380  1.10      onoe 	if (sc->sc_cmd_inprog) {
   2381  1.10      onoe 		error = awi_cmd_wait(sc);
   2382  1.10      onoe 		if (error) {
   2383  1.20      onoe 			if (error == EWOULDBLOCK)
   2384  1.20      onoe 				printf("awi_mib: cmd %d inprog",
   2385  1.20      onoe 				    sc->sc_cmd_inprog);
   2386  1.10      onoe 			return error;
   2387  1.10      onoe 		}
   2388  1.10      onoe 	}
   2389  1.20      onoe 	sc->sc_cmd_inprog = cmd;
   2390  1.10      onoe 	if (cmd == AWI_CMD_SET_MIB)
   2391  1.10      onoe 		awi_write_bytes(sc, AWI_CMD_PARAMS+AWI_CA_MIB_DATA, ptr, size);
   2392  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_TYPE, mib);
   2393  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_SIZE, size);
   2394  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_MIB_INDEX, 0);
   2395  1.10      onoe 	error = awi_cmd(sc, cmd);
   2396  1.10      onoe 	if (error)
   2397  1.10      onoe 		return error;
   2398  1.10      onoe 	if (cmd == AWI_CMD_GET_MIB) {
   2399  1.10      onoe 		awi_read_bytes(sc, AWI_CMD_PARAMS+AWI_CA_MIB_DATA, ptr, size);
   2400  1.10      onoe #ifdef AWI_DEBUG
   2401  1.10      onoe 		if (awi_verbose) {
   2402  1.10      onoe 			int i;
   2403   1.1  sommerfe 
   2404  1.10      onoe 			printf("awi_mib: #%d:", mib);
   2405  1.10      onoe 			for (i = 0; i < size; i++)
   2406  1.10      onoe 				printf(" %02x", ptr[i]);
   2407  1.10      onoe 			printf("\n");
   2408  1.10      onoe 		}
   2409   1.1  sommerfe #endif
   2410  1.10      onoe 	}
   2411  1.10      onoe 	return 0;
   2412   1.1  sommerfe }
   2413   1.1  sommerfe 
   2414  1.10      onoe static int
   2415  1.10      onoe awi_cmd_scan(sc)
   2416   1.1  sommerfe 	struct awi_softc *sc;
   2417   1.1  sommerfe {
   2418  1.10      onoe 	int error;
   2419  1.10      onoe 	u_int8_t scan_mode;
   2420  1.10      onoe 
   2421  1.10      onoe 	if (sc->sc_active_scan)
   2422  1.10      onoe 		scan_mode = AWI_SCAN_ACTIVE;
   2423  1.10      onoe 	else
   2424  1.10      onoe 		scan_mode = AWI_SCAN_PASSIVE;
   2425  1.10      onoe 	if (sc->sc_mib_mgt.aScan_Mode != scan_mode) {
   2426  1.10      onoe 		sc->sc_mib_mgt.aScan_Mode = scan_mode;
   2427  1.10      onoe 		error = awi_mib(sc, AWI_CMD_SET_MIB, AWI_MIB_MGT);
   2428  1.10      onoe 		return error;
   2429  1.10      onoe 	}
   2430  1.10      onoe 
   2431  1.10      onoe 	if (sc->sc_cmd_inprog) {
   2432  1.10      onoe 		error = awi_cmd_wait(sc);
   2433  1.10      onoe 		if (error)
   2434  1.10      onoe 			return error;
   2435  1.10      onoe 	}
   2436  1.20      onoe 	sc->sc_cmd_inprog = AWI_CMD_SCAN;
   2437  1.10      onoe 	awi_write_2(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_DURATION,
   2438  1.10      onoe 	    sc->sc_active_scan ? AWI_ASCAN_DURATION : AWI_PSCAN_DURATION);
   2439  1.10      onoe 	if (sc->sc_mib_phy.IEEE_PHY_Type == AWI_PHY_TYPE_FH) {
   2440  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SET,
   2441  1.10      onoe 		    sc->sc_scan_set);
   2442  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_PATTERN,
   2443  1.10      onoe 		    sc->sc_scan_cur);
   2444  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_IDX, 1);
   2445  1.10      onoe 	} else {
   2446  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SET,
   2447  1.10      onoe 		    sc->sc_scan_cur);
   2448  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_PATTERN, 0);
   2449  1.10      onoe 		awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_IDX, 0);
   2450   1.6  sommerfe 	}
   2451  1.10      onoe 	awi_write_1(sc, AWI_CMD_PARAMS+AWI_CA_SCAN_SUSP, 0);
   2452  1.10      onoe 	return awi_cmd(sc, AWI_CMD_SCAN);
   2453   1.1  sommerfe }
   2454   1.1  sommerfe 
   2455  1.10      onoe static int
   2456  1.10      onoe awi_cmd(sc, cmd)
   2457   1.1  sommerfe 	struct awi_softc *sc;
   2458  1.10      onoe 	u_int8_t cmd;
   2459   1.1  sommerfe {
   2460  1.10      onoe 	u_int8_t status;
   2461  1.10      onoe 	int error = 0;
   2462  1.10      onoe 
   2463  1.20      onoe 	sc->sc_cmd_inprog = cmd;
   2464  1.10      onoe 	awi_write_1(sc, AWI_CMD_STATUS, AWI_STAT_IDLE);
   2465  1.10      onoe 	awi_write_1(sc, AWI_CMD, cmd);
   2466  1.10      onoe 	if (sc->sc_status != AWI_ST_INIT)
   2467  1.10      onoe 		return 0;
   2468  1.10      onoe 	error = awi_cmd_wait(sc);
   2469  1.10      onoe 	if (error)
   2470  1.10      onoe 		return error;
   2471  1.10      onoe 	status = awi_read_1(sc, AWI_CMD_STATUS);
   2472  1.10      onoe 	awi_write_1(sc, AWI_CMD, 0);
   2473  1.10      onoe 	switch (status) {
   2474  1.10      onoe 	case AWI_STAT_OK:
   2475  1.10      onoe 		break;
   2476  1.10      onoe 	case AWI_STAT_BADPARM:
   2477  1.10      onoe 		return EINVAL;
   2478  1.10      onoe 	default:
   2479  1.10      onoe 		printf("%s: command %d failed %x\n",
   2480  1.10      onoe 		    sc->sc_dev.dv_xname, cmd, status);
   2481  1.10      onoe 		return ENXIO;
   2482  1.10      onoe 	}
   2483  1.10      onoe 	return 0;
   2484   1.1  sommerfe }
   2485   1.1  sommerfe 
   2486  1.10      onoe static void
   2487  1.10      onoe awi_cmd_done(sc)
   2488   1.1  sommerfe 	struct awi_softc *sc;
   2489   1.1  sommerfe {
   2490  1.10      onoe 	u_int8_t cmd, status;
   2491  1.10      onoe 
   2492  1.10      onoe 	status = awi_read_1(sc, AWI_CMD_STATUS);
   2493  1.10      onoe 	if (status == AWI_STAT_IDLE)
   2494  1.10      onoe 		return;		/* stray interrupt */
   2495  1.10      onoe 
   2496  1.20      onoe 	cmd = sc->sc_cmd_inprog;
   2497  1.10      onoe 	sc->sc_cmd_inprog = 0;
   2498  1.10      onoe 	if (sc->sc_status == AWI_ST_INIT) {
   2499  1.10      onoe 		wakeup(sc);
   2500  1.10      onoe 		return;
   2501  1.10      onoe 	}
   2502  1.10      onoe 	awi_write_1(sc, AWI_CMD, 0);
   2503  1.10      onoe 
   2504  1.10      onoe 	if (status != AWI_STAT_OK) {
   2505  1.10      onoe 		printf("%s: command %d failed %x\n",
   2506  1.10      onoe 		    sc->sc_dev.dv_xname, cmd, status);
   2507  1.10      onoe 		return;
   2508  1.10      onoe 	}
   2509  1.10      onoe 	switch (sc->sc_status) {
   2510  1.10      onoe 	case AWI_ST_SCAN:
   2511  1.10      onoe 		if (cmd == AWI_CMD_SET_MIB)
   2512  1.10      onoe 			awi_cmd_scan(sc);	/* retry */
   2513  1.10      onoe 		break;
   2514  1.10      onoe 	case AWI_ST_SETSS:
   2515  1.10      onoe 		awi_try_sync(sc);
   2516  1.10      onoe 		break;
   2517  1.10      onoe 	case AWI_ST_SYNC:
   2518  1.10      onoe 		awi_sync_done(sc);
   2519  1.10      onoe 		break;
   2520  1.10      onoe 	default:
   2521  1.10      onoe 		break;
   2522  1.10      onoe 	}
   2523   1.1  sommerfe }
   2524   1.1  sommerfe 
   2525  1.10      onoe static int
   2526  1.10      onoe awi_next_txd(sc, len, framep, ntxdp)
   2527   1.1  sommerfe 	struct awi_softc *sc;
   2528  1.10      onoe 	int len;
   2529  1.10      onoe 	u_int32_t *framep, *ntxdp;
   2530   1.1  sommerfe {
   2531  1.10      onoe 	u_int32_t txd, ntxd, frame;
   2532   1.1  sommerfe 
   2533  1.10      onoe 	txd = sc->sc_txnext;
   2534  1.10      onoe 	frame = txd + AWI_TXD_SIZE;
   2535  1.10      onoe 	if (frame + len > sc->sc_txend)
   2536  1.10      onoe 		frame = sc->sc_txbase;
   2537  1.10      onoe 	ntxd = frame + len;
   2538  1.10      onoe 	if (ntxd + AWI_TXD_SIZE > sc->sc_txend)
   2539  1.10      onoe 		ntxd = sc->sc_txbase;
   2540  1.10      onoe 	*framep = frame;
   2541  1.10      onoe 	*ntxdp = ntxd;
   2542  1.10      onoe 	/*
   2543  1.10      onoe 	 * Determine if there are any room in ring buffer.
   2544  1.10      onoe 	 *		--- send wait,  === new data,  +++ conflict (ENOBUFS)
   2545  1.10      onoe 	 *   base........................end
   2546  1.10      onoe 	 *	   done----txd=====ntxd		OK
   2547  1.10      onoe 	 *	 --txd=====done++++ntxd--	full
   2548  1.10      onoe 	 *	 --txd=====ntxd    done--	OK
   2549  1.10      onoe 	 *	 ==ntxd    done----txd===	OK
   2550  1.10      onoe 	 *	 ==done++++ntxd----txd===	full
   2551  1.10      onoe 	 *	 ++ntxd    txd=====done++	full
   2552  1.10      onoe 	 */
   2553  1.10      onoe 	if (txd < ntxd) {
   2554  1.10      onoe 		if (txd < sc->sc_txdone && ntxd + AWI_TXD_SIZE > sc->sc_txdone)
   2555  1.10      onoe 			return ENOBUFS;
   2556  1.10      onoe 	} else {
   2557  1.10      onoe 		if (txd < sc->sc_txdone || ntxd + AWI_TXD_SIZE > sc->sc_txdone)
   2558  1.10      onoe 			return ENOBUFS;
   2559   1.1  sommerfe 	}
   2560  1.10      onoe 	return 0;
   2561   1.1  sommerfe }
   2562   1.1  sommerfe 
   2563  1.10      onoe static int
   2564  1.10      onoe awi_lock(sc)
   2565   1.1  sommerfe 	struct awi_softc *sc;
   2566   1.1  sommerfe {
   2567  1.10      onoe 	int error = 0;
   2568   1.1  sommerfe 
   2569  1.10      onoe 	if (curproc == NULL) {
   2570  1.10      onoe 		/*
   2571  1.10      onoe 		 * XXX
   2572  1.10      onoe 		 * Though driver ioctl should be called with context,
   2573  1.10      onoe 		 * KAME ipv6 stack calls ioctl in interrupt for now.
   2574  1.10      onoe 		 * We simply abort the request if there are other
   2575  1.10      onoe 		 * ioctl requests in progress.
   2576  1.10      onoe 		 */
   2577  1.20      onoe 		if (sc->sc_busy) {
   2578  1.10      onoe 			return EWOULDBLOCK;
   2579  1.20      onoe 			if (sc->sc_invalid)
   2580  1.20      onoe 				return ENXIO;
   2581  1.20      onoe 		}
   2582  1.10      onoe 		sc->sc_busy = 1;
   2583  1.10      onoe 		sc->sc_cansleep = 0;
   2584  1.10      onoe 		return 0;
   2585   1.1  sommerfe 	}
   2586  1.10      onoe 	while (sc->sc_busy) {
   2587  1.20      onoe 		if (sc->sc_invalid)
   2588  1.20      onoe 			return ENXIO;
   2589  1.10      onoe 		sc->sc_sleep_cnt++;
   2590  1.10      onoe 		error = tsleep(sc, PWAIT | PCATCH, "awilck", 0);
   2591  1.10      onoe 		sc->sc_sleep_cnt--;
   2592  1.10      onoe 		if (error)
   2593  1.10      onoe 			return error;
   2594   1.6  sommerfe 	}
   2595  1.10      onoe 	sc->sc_busy = 1;
   2596  1.10      onoe 	sc->sc_cansleep = 1;
   2597  1.10      onoe 	return 0;
   2598  1.10      onoe }
   2599   1.1  sommerfe 
   2600  1.10      onoe static void
   2601  1.10      onoe awi_unlock(sc)
   2602  1.10      onoe 	struct awi_softc *sc;
   2603  1.10      onoe {
   2604  1.10      onoe 	sc->sc_busy = 0;
   2605  1.10      onoe 	sc->sc_cansleep = 0;
   2606  1.10      onoe 	if (sc->sc_sleep_cnt)
   2607  1.10      onoe 		wakeup(sc);
   2608   1.1  sommerfe }
   2609   1.1  sommerfe 
   2610  1.10      onoe static int
   2611  1.10      onoe awi_intr_lock(sc)
   2612   1.1  sommerfe 	struct awi_softc *sc;
   2613  1.10      onoe {
   2614   1.1  sommerfe 	u_int8_t status;
   2615  1.10      onoe 	int i, retry;
   2616  1.10      onoe 
   2617  1.10      onoe 	status = 1;
   2618  1.10      onoe 	for (retry = 0; retry < 10; retry++) {
   2619  1.10      onoe 		for (i = 0; i < AWI_LOCKOUT_TIMEOUT*1000/5; i++) {
   2620  1.10      onoe 			status = awi_read_1(sc, AWI_LOCKOUT_HOST);
   2621  1.10      onoe 			if (status == 0)
   2622  1.10      onoe 				break;
   2623  1.10      onoe 			DELAY(5);
   2624  1.10      onoe 		}
   2625  1.10      onoe 		if (status != 0)
   2626  1.10      onoe 			break;
   2627  1.10      onoe 		awi_write_1(sc, AWI_LOCKOUT_MAC, 1);
   2628  1.10      onoe 		status = awi_read_1(sc, AWI_LOCKOUT_HOST);
   2629  1.10      onoe 		if (status == 0)
   2630  1.10      onoe 			break;
   2631  1.10      onoe 		awi_write_1(sc, AWI_LOCKOUT_MAC, 0);
   2632   1.1  sommerfe 	}
   2633  1.10      onoe 	if (status != 0) {
   2634  1.10      onoe 		printf("%s: failed to lock interrupt\n",
   2635   1.6  sommerfe 		    sc->sc_dev.dv_xname);
   2636  1.10      onoe 		return ENXIO;
   2637   1.6  sommerfe 	}
   2638  1.10      onoe 	return 0;
   2639   1.1  sommerfe }
   2640   1.1  sommerfe 
   2641  1.10      onoe static void
   2642  1.10      onoe awi_intr_unlock(sc)
   2643   1.1  sommerfe 	struct awi_softc *sc;
   2644   1.1  sommerfe {
   2645   1.1  sommerfe 
   2646  1.10      onoe 	awi_write_1(sc, AWI_LOCKOUT_MAC, 0);
   2647   1.1  sommerfe }
   2648   1.1  sommerfe 
   2649  1.10      onoe static int
   2650  1.10      onoe awi_cmd_wait(sc)
   2651   1.1  sommerfe 	struct awi_softc *sc;
   2652   1.1  sommerfe {
   2653  1.10      onoe 	int i, error = 0;
   2654  1.10      onoe 
   2655  1.10      onoe 	i = 0;
   2656  1.10      onoe 	while (sc->sc_cmd_inprog) {
   2657  1.10      onoe 		if (sc->sc_invalid)
   2658  1.10      onoe 			return ENXIO;
   2659  1.20      onoe 		if (awi_read_1(sc, AWI_CMD) != sc->sc_cmd_inprog) {
   2660  1.20      onoe 			printf("%s: failed to access hardware\n",
   2661  1.20      onoe 			    sc->sc_dev.dv_xname);
   2662  1.20      onoe 			sc->sc_invalid = 1;
   2663  1.20      onoe 			return ENXIO;
   2664  1.20      onoe 		}
   2665  1.10      onoe 		if (sc->sc_cansleep) {
   2666  1.10      onoe 			sc->sc_sleep_cnt++;
   2667  1.10      onoe 			error = tsleep(sc, PWAIT, "awicmd",
   2668  1.10      onoe 			    AWI_CMD_TIMEOUT*hz/1000);
   2669  1.10      onoe 			sc->sc_sleep_cnt--;
   2670  1.10      onoe 		} else {
   2671  1.10      onoe 			if (awi_read_1(sc, AWI_CMD_STATUS) != AWI_STAT_IDLE) {
   2672  1.10      onoe 				awi_cmd_done(sc);
   2673  1.10      onoe 				break;
   2674  1.10      onoe 			}
   2675  1.10      onoe 			if (i++ >= AWI_CMD_TIMEOUT*1000/10)
   2676  1.10      onoe 				error = EWOULDBLOCK;
   2677  1.10      onoe 			else
   2678  1.10      onoe 				DELAY(10);
   2679  1.10      onoe 		}
   2680  1.10      onoe 		if (error)
   2681  1.10      onoe 			break;
   2682   1.1  sommerfe 	}
   2683  1.10      onoe 	return error;
   2684   1.1  sommerfe }
   2685   1.1  sommerfe 
   2686  1.20      onoe static void
   2687  1.20      onoe awi_print_essid(essid)
   2688  1.20      onoe 	u_int8_t *essid;
   2689  1.20      onoe {
   2690  1.20      onoe 	int i, len;
   2691  1.20      onoe 	u_int8_t *p;
   2692  1.20      onoe 
   2693  1.20      onoe 	len = essid[1];
   2694  1.20      onoe 	if (len > IEEE80211_NWID_LEN)
   2695  1.20      onoe 		len = IEEE80211_NWID_LEN;	/*XXX*/
   2696  1.20      onoe 	/* determine printable or not */
   2697  1.20      onoe 	for (i = 0, p = essid + 2; i < len; i++, p++) {
   2698  1.20      onoe 		if (*p < ' ' || *p > 0x7e)
   2699  1.20      onoe 			break;
   2700  1.20      onoe 	}
   2701  1.20      onoe 	if (i == len) {
   2702  1.20      onoe 		printf("\"");
   2703  1.20      onoe 		for (i = 0, p = essid + 2; i < len; i++, p++)
   2704  1.20      onoe 			printf("%c", *p);
   2705  1.20      onoe 		printf("\"");
   2706  1.20      onoe 	} else {
   2707  1.20      onoe 		printf("0x");
   2708  1.20      onoe 		for (i = 0, p = essid + 2; i < len; i++, p++)
   2709  1.20      onoe 			printf("%02x", *p);
   2710  1.20      onoe 	}
   2711  1.20      onoe }
   2712  1.20      onoe 
   2713  1.10      onoe #ifdef AWI_DEBUG
   2714  1.10      onoe static void
   2715  1.10      onoe awi_dump_pkt(sc, m, rssi)
   2716   1.1  sommerfe 	struct awi_softc *sc;
   2717  1.10      onoe 	struct mbuf *m;
   2718  1.20      onoe 	int rssi;
   2719   1.1  sommerfe {
   2720  1.10      onoe 	struct ieee80211_frame *wh;
   2721  1.10      onoe 	int i, l;
   2722   1.1  sommerfe 
   2723  1.10      onoe 	wh = mtod(m, struct ieee80211_frame *);
   2724   1.1  sommerfe 
   2725  1.10      onoe 	if (awi_dump_mask != 0 &&
   2726  1.10      onoe 	    ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK)==IEEE80211_FC1_DIR_NODS) &&
   2727  1.10      onoe 	    ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK)==IEEE80211_FC0_TYPE_MGT)) {
   2728  1.10      onoe 		if ((AWI_DUMP_MASK(wh->i_fc[0]) & awi_dump_mask) != 0)
   2729  1.10      onoe 			return;
   2730  1.10      onoe 	}
   2731  1.10      onoe 	if (awi_dump_mask < 0 &&
   2732  1.10      onoe 	    (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK)==IEEE80211_FC0_TYPE_DATA)
   2733  1.10      onoe 		return;
   2734   1.1  sommerfe 
   2735  1.20      onoe 	if (rssi < 0)
   2736  1.20      onoe 		printf("tx: ");
   2737  1.20      onoe 	else
   2738  1.20      onoe 		printf("rx: ");
   2739  1.10      onoe 	switch (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) {
   2740  1.10      onoe 	case IEEE80211_FC1_DIR_NODS:
   2741  1.20      onoe 		printf("NODS %s", ether_sprintf(wh->i_addr2));
   2742  1.10      onoe 		printf("->%s", ether_sprintf(wh->i_addr1));
   2743  1.10      onoe 		printf("(%s)", ether_sprintf(wh->i_addr3));
   2744  1.10      onoe 		break;
   2745  1.10      onoe 	case IEEE80211_FC1_DIR_TODS:
   2746  1.20      onoe 		printf("TODS %s", ether_sprintf(wh->i_addr2));
   2747  1.10      onoe 		printf("->%s", ether_sprintf(wh->i_addr3));
   2748  1.10      onoe 		printf("(%s)", ether_sprintf(wh->i_addr1));
   2749  1.10      onoe 		break;
   2750  1.10      onoe 	case IEEE80211_FC1_DIR_FROMDS:
   2751  1.20      onoe 		printf("FRDS %s", ether_sprintf(wh->i_addr3));
   2752  1.10      onoe 		printf("->%s", ether_sprintf(wh->i_addr1));
   2753  1.10      onoe 		printf("(%s)", ether_sprintf(wh->i_addr2));
   2754  1.10      onoe 		break;
   2755  1.10      onoe 	case IEEE80211_FC1_DIR_DSTODS:
   2756  1.20      onoe 		printf("DSDS %s", ether_sprintf((u_int8_t *)&wh[1]));
   2757  1.10      onoe 		printf("->%s", ether_sprintf(wh->i_addr3));
   2758  1.10      onoe 		printf("(%s", ether_sprintf(wh->i_addr2));
   2759  1.10      onoe 		printf("->%s)", ether_sprintf(wh->i_addr1));
   2760  1.10      onoe 		break;
   2761  1.10      onoe 	}
   2762  1.10      onoe 	switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
   2763  1.10      onoe 	case IEEE80211_FC0_TYPE_DATA:
   2764  1.10      onoe 		printf(" data");
   2765  1.10      onoe 		break;
   2766  1.10      onoe 	case IEEE80211_FC0_TYPE_MGT:
   2767  1.10      onoe 		switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
   2768  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
   2769  1.10      onoe 			printf(" probe_req");
   2770  1.10      onoe 			break;
   2771  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
   2772  1.10      onoe 			printf(" probe_resp");
   2773  1.10      onoe 			break;
   2774  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_BEACON:
   2775  1.10      onoe 			printf(" beacon");
   2776  1.10      onoe 			break;
   2777  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_AUTH:
   2778  1.10      onoe 			printf(" auth");
   2779  1.10      onoe 			break;
   2780  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
   2781  1.10      onoe 			printf(" assoc_req");
   2782  1.10      onoe 			break;
   2783  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
   2784  1.10      onoe 			printf(" assoc_resp");
   2785  1.10      onoe 			break;
   2786  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_REASSOC_REQ:
   2787  1.10      onoe 			printf(" reassoc_req");
   2788  1.10      onoe 			break;
   2789  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_REASSOC_RESP:
   2790  1.10      onoe 			printf(" reassoc_resp");
   2791  1.10      onoe 			break;
   2792  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_DEAUTH:
   2793  1.10      onoe 			printf(" deauth");
   2794  1.10      onoe 			break;
   2795  1.10      onoe 		case IEEE80211_FC0_SUBTYPE_DISASSOC:
   2796  1.10      onoe 			printf(" disassoc");
   2797  1.10      onoe 			break;
   2798  1.10      onoe 		default:
   2799  1.10      onoe 			printf(" mgt#%d",
   2800  1.10      onoe 			    wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK);
   2801  1.10      onoe 			break;
   2802  1.10      onoe 		}
   2803  1.10      onoe 		break;
   2804  1.10      onoe 	default:
   2805  1.10      onoe 		printf(" type#%d",
   2806  1.10      onoe 		    wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK);
   2807  1.10      onoe 		break;
   2808  1.10      onoe 	}
   2809  1.24      onoe 	if (wh->i_fc[1] & IEEE80211_FC1_WEP)
   2810  1.24      onoe 		printf(" WEP");
   2811  1.20      onoe 	if (rssi >= 0)
   2812  1.20      onoe 		printf(" +%d", rssi);
   2813  1.20      onoe 	printf("\n");
   2814  1.10      onoe 	if (awi_dump_len > 0) {
   2815  1.10      onoe 		l = m->m_len;
   2816  1.10      onoe 		if (l > awi_dump_len + sizeof(*wh))
   2817  1.10      onoe 			l = awi_dump_len + sizeof(*wh);
   2818  1.10      onoe 		i = sizeof(*wh);
   2819  1.10      onoe 		if (awi_dump_hdr)
   2820  1.10      onoe 			i = 0;
   2821  1.10      onoe 		for (; i < l; i++) {
   2822  1.10      onoe 			if ((i & 1) == 0)
   2823  1.10      onoe 				printf(" ");
   2824  1.10      onoe 			printf("%02x", mtod(m, u_int8_t *)[i]);
   2825  1.10      onoe 		}
   2826  1.10      onoe 		printf("\n");
   2827  1.10      onoe 	}
   2828   1.1  sommerfe }
   2829  1.10      onoe #endif
   2830