/* * Copyright (C) 2000 * Dr. Duncan McLennan Barclay, dmlb@ragnet.demon.co.uk. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY DUNCAN BARCLAY AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL DUNCAN BARCLAY OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ * */ /* $NetBSD: if_ray.c,v 1.12 2000/02/07 09:36:27 augustss Exp $ */ /* * Copyright (c) 2000 Christian E. Hopps * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Card configuration * ================== * * This card is unusual in that it uses both common and attribute * memory whilst working. It should use common memory and an IO port. * * The bus resource allocations need to work around the brain deadness * of pccardd (where it reads the CIS for common memory, sets it all * up and then throws it all away assuming the card is an ed * driver...). Note that this could be dangerous (because it doesn't * interact with pccardd) if you use other memory mapped cards in the * same pccard slot as currently old mappings are not cleaned up very well * by the bus_release_resource methods or pccardd. * * There is no support for running this driver on 4.0. * * Ad-hoc and infra-structure modes * ================================ * * The driver supports ad-hoc mode for V4 firmware and infrastructure * mode for V5 firmware. V5 firmware in ad-hoc mode is untested and should * work. * * The Linux driver also seems to have the capability to act as an AP. * I wonder what facilities the "AP" can provide within a driver? We can * probably use the BRIDGE code to form an ESS but I don't think * power saving etc. is easy. * * * Packet framing/encapsulation/translation * ======================================== * * Currently we support the Webgear encapsulation: * 802.11 header struct ieee80211_frame * 802.3 header struct ether_header * IP/ARP payload * * and RFC1042 encapsulation of IP datagrams (translation): * 802.11 header struct ieee80211_frame * 802.2 LLC header * 802.2 SNAP header * 802.3 Ethertype * IP/ARP payload * * Framing should be selected via if_media stuff or link types but * is currently hardcoded to: * V4 encapsulation * V5 translation * * * Authentication * ============== * * 802.11 provides two authentication mechanisms. The first is a very * simple host based mechanism (like xhost) called Open System and the * second is a more complex challenge/response called Shared Key built * ontop of WEP. * * This driver only supports Open System and does not implement any * host based control lists. In otherwords authentication is always * granted to hosts wanting to authenticate with this station. This is * the only sensible behaviour as the Open System mechanism uses MAC * addresses to identify hosts. Send me patches if you need it! */ /* * ***check all XXX_INFRA code - reassoc not done well at all! * ***watchdog to catch screwed up removals? * ***error handling of RAY_COM_RUNQ * ***error handling of ECF command completions * ***can't seem to create a n/w that Win95 wants to see. * ***remove panic in ray_com_ecf by re-quing or timeout * ***use new ioctl stuff - probably need to change RAY_COM_FCHKRUNNING things? * consider user doing: * ifconfig ray0 192.168.200.38 -bssid "freed" * ifconfig ray0 192.168.200.38 -bssid "fred" * here the second one would be missed in this code * check that v5 needs timeouts on ecf commands * write up driver structure in comments above * UPDATE_PARAMS seems to return via an interrupt - maybe the timeout * is needed for wrong values? * proper setting of mib_hop_seq_len with country code for v4 firmware * best done with raycontrol? * countrycode setting is broken I think * userupdate should trap and do via startjoin etc. * fragmentation when rx level drops? * v5 might not need download * defaults are as documented apart from hop_seq_length * settings are sane for ad-hoc not infra * * driver state * most state is implied by the sequence of commands in the runq * but in fact any of the rx and tx path that uses variables * in the sc_c are potentially going to get screwed? * * infra mode stuff * proper handling of the basic rate set - see the manual * all ray_sj, ray_assoc sequencues need a "nicer" solution as we * remember association and authentication * need to consider WEP * acting as ap - should be able to get working from the manual * need to finish RAY_ECMD_REJOIN_DONE * finish authenitcation code, it doesn't handle errors/timeouts/ * REJOIN etc. * * ray_nw_param * promisc in here too? - done * should be able to update the parameters before we download to the * device. This means we must attach a desired struct to the * runq entry and maybe have another big case statement to * move these desired into current when not running. * init must then use the current settings (pre-loaded * in attach now!) and pass to download. But we can't access * current nw params outside of the runq - ahhh * differeniate between parameters set in attach and init * sc_station_addr in here too (for changing mac address) * move desired into the command structure? * take downloaded MIB from a complete nw_param? * longer term need to attach a desired nw params to the runq entry * * * RAY_COM_RUNQ errors * * if sleeping in ccs_alloc with eintr/erestart/enxio/enodev * erestart try again from the top * XXX do not malloc more comqs * XXX ccs allocation hard * eintr clean up and return * enxio clean up and return - done in macro * * if sleeping in runq_arr itself with eintr/erestart/enxio/enodev * erestart try again from the top * XXX do not malloc more comqs * XXX ccs allocation hard * XXX reinsert comqs at head of list * eintr clean up and return * enxio clean up and return - done in macro */ #define XXX 0 #define XXX_ACTING_AP 0 #define XXX_INFRA 0 #define RAY_DEBUG ( \ /* RAY_DBG_AUTH | */ \ /* RAY_DBG_SUBR | */ \ /* RAY_DBG_BOOTPARAM | */ \ /* RAY_DBG_STARTJOIN | */ \ /* RAY_DBG_CCS | */ \ /* RAY_DBG_IOCTL | */ \ /* RAY_DBG_MBUF | */ \ /* RAY_DBG_RX | */ \ /* RAY_DBG_CM | */ \ /* RAY_DBG_COM | */ \ /* RAY_DBG_STOP | */ \ /* RAY_DBG_CTL | */ \ /* RAY_DBG_MGT | */ \ /* RAY_DBG_TX | */ \ /* RAY_DBG_DCOM | */ \ 0 \ ) /* * XXX build options - move to LINT */ #define RAY_CM_RID 0 /* pccardd abuses windows 0 and 1 */ #define RAY_AM_RID 3 /* pccardd abuses windows 0 and 1 */ #define RAY_COM_TIMEOUT (hz/2) /* Timeout for CCS commands */ #define RAY_TX_TIMEOUT (hz/2) /* Timeout for rescheduling TX */ #define RAY_ECF_SPIN_DELAY 1000 /* Wait 1ms before checking ECF ready */ #define RAY_ECF_SPIN_TRIES 10 /* Wait this many times for ECF ready */ /* * XXX build options - move to LINT */ #ifndef RAY_DEBUG #define RAY_DEBUG 0x0000 #endif /* RAY_DEBUG */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "card_if.h" #include #include #include #include /* * Prototyping */ static int ray_attach (device_t); static int ray_ccs_alloc (struct ray_softc *sc, size_t *ccsp, char *wmesg); static void ray_ccs_fill (struct ray_softc *sc, size_t ccs, u_int cmd); static void ray_ccs_free (struct ray_softc *sc, size_t ccs); static int ray_ccs_tx (struct ray_softc *sc, size_t *ccsp, size_t *bufpp); static void ray_com_ecf (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_com_ecf_done (struct ray_softc *sc); static void ray_com_ecf_timo (void *xsc); static struct ray_comq_entry * ray_com_init (struct ray_comq_entry *com, ray_comqfn_t function, int flags, char *mesg); static struct ray_comq_entry * ray_com_malloc (ray_comqfn_t function, int flags, char *mesg); static void ray_com_runq (struct ray_softc *sc); static int ray_com_runq_add (struct ray_softc *sc, struct ray_comq_entry *com[], int ncom, char *wmesg); static void ray_com_runq_done (struct ray_softc *sc); static int ray_detach (device_t); static void ray_init (void *xsc); static int ray_init_user (struct ray_softc *sc); static void ray_init_assoc (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_assoc_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static void ray_init_auth (struct ray_softc *sc, struct ray_comq_entry *com); static int ray_init_auth_send (struct ray_softc *sc, u_int8_t *dst, int sequence); static void ray_init_auth_done (struct ray_softc *sc, u_int8_t status); static void ray_init_download (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_download_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static void ray_init_download_v4 (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_download_v5 (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_mcast (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_sj (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_init_sj_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static void ray_intr (void *xsc); static void ray_intr_ccs (struct ray_softc *sc, u_int8_t cmd, u_int8_t status, size_t ccs); static void ray_intr_rcs (struct ray_softc *sc, u_int8_t cmd, size_t ccs); static void ray_intr_updt_errcntrs (struct ray_softc *sc); static int ray_ioctl (struct ifnet *ifp, u_long command, caddr_t data); static void ray_mcast (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_mcast_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static int ray_mcast_user (struct ray_softc *sc); static int ray_probe (device_t); static void ray_promisc (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_repparams (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_repparams_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static int ray_repparams_user (struct ray_softc *sc, struct ray_param_req *pr); static int ray_repstats_user (struct ray_softc *sc, struct ray_stats_req *sr); static int ray_res_alloc_am (struct ray_softc *sc); static int ray_res_alloc_cm (struct ray_softc *sc); static int ray_res_alloc_irq (struct ray_softc *sc); static void ray_res_release (struct ray_softc *sc); static void ray_rx (struct ray_softc *sc, size_t rcs); static void ray_rx_ctl (struct ray_softc *sc, struct mbuf *m0); static void ray_rx_data (struct ray_softc *sc, struct mbuf *m0, u_int8_t siglev, u_int8_t antenna); static void ray_rx_mgt (struct ray_softc *sc, struct mbuf *m0); static void ray_rx_mgt_auth (struct ray_softc *sc, struct mbuf *m0); static void ray_rx_mgt_beacon (struct ray_softc *sc, struct mbuf *m0); static void ray_rx_mgt_info (struct ray_softc *sc, struct mbuf *m0, struct ieee80211_information *elements); static void ray_rx_update_cache (struct ray_softc *sc, u_int8_t *src, u_int8_t siglev, u_int8_t antenna); static void ray_stop (struct ray_softc *sc, struct ray_comq_entry *com); static int ray_stop_user (struct ray_softc *sc); static void ray_tx (struct ifnet *ifp); static void ray_tx_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static void ray_tx_timo (void *xsc); static int ray_tx_send (struct ray_softc *sc, size_t ccs, int pktlen, u_int8_t *dst); static size_t ray_tx_wrhdr (struct ray_softc *sc, size_t bufp, u_int8_t type, u_int8_t fc1, u_int8_t *addr1, u_int8_t *addr2, u_int8_t *addr3); static void ray_upparams (struct ray_softc *sc, struct ray_comq_entry *com); static void ray_upparams_done (struct ray_softc *sc, u_int8_t status, size_t ccs); static int ray_upparams_user (struct ray_softc *sc, struct ray_param_req *pr); static void ray_watchdog (struct ifnet *ifp); static u_int8_t ray_tx_best_antenna (struct ray_softc *sc, u_int8_t *dst); #if RAY_DEBUG & RAY_DBG_COM static void ray_com_ecf_check (struct ray_softc *sc, size_t ccs, char *mesg); #endif /* RAY_DEBUG & RAY_DBG_COM */ #if RAY_DEBUG & RAY_DBG_MBUF static void ray_dump_mbuf (struct ray_softc *sc, struct mbuf *m, char *s); #endif /* RAY_DEBUG & RAY_DBG_MBUF */ /* * PC-Card (PCMCIA) driver definition */ static device_method_t ray_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ray_probe), DEVMETHOD(device_attach, ray_attach), DEVMETHOD(device_detach, ray_detach), { 0, 0 } }; static driver_t ray_driver = { "ray", ray_methods, sizeof(struct ray_softc) }; static devclass_t ray_devclass; DRIVER_MODULE(ray, pccard, ray_driver, ray_devclass, 0, 0); /* * Probe for the card by checking its startup results. * * Fixup any bugs/quirks for different firmware. */ static int ray_probe(device_t dev) { struct ray_softc *sc = device_get_softc(dev); struct ray_ecf_startup_v5 *ep = &sc->sc_ecf_startup; int error; sc->dev = dev; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); /* * Read startup results from the card. */ error = ray_res_alloc_cm(sc); if (error) return (error); error = ray_res_alloc_am(sc); if (error) { ray_res_release(sc); return (error); } RAY_MAP_CM(sc); SRAM_READ_REGION(sc, RAY_ECF_TO_HOST_BASE, ep, sizeof(sc->sc_ecf_startup)); ray_res_release(sc); /* * Check the card is okay and work out what version we are using. */ if (ep->e_status != RAY_ECFS_CARD_OK) { RAY_PRINTF(sc, "card failed self test 0x%b", ep->e_status, RAY_ECFS_PRINTFB); return (ENXIO); } if (sc->sc_version != RAY_ECFS_BUILD_4 && sc->sc_version != RAY_ECFS_BUILD_5) { RAY_PRINTF(sc, "unsupported firmware version 0x%0x", ep->e_fw_build_string); return (ENXIO); } RAY_DPRINTF(sc, RAY_DBG_BOOTPARAM, "found a card"); sc->sc_gone = 0; /* * Fixup tib size to be correct - on build 4 it is garbage */ if (sc->sc_version == RAY_ECFS_BUILD_4 && sc->sc_tibsize == 0x55) sc->sc_tibsize = sizeof(struct ray_tx_tib); return (0); } /* * Attach the card into the kernel */ static int ray_attach(device_t dev) { struct ray_softc *sc = device_get_softc(dev); struct ray_ecf_startup_v5 *ep = &sc->sc_ecf_startup; struct ifnet *ifp = &sc->arpcom.ac_if; size_t ccs; int i, error; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); if ((sc == NULL) || (sc->sc_gone)) return (ENXIO); /* * Grab the resources I need */ error = ray_res_alloc_cm(sc); if (error) return (error); error = ray_res_alloc_am(sc); if (error) { ray_res_release(sc); return (error); } error = ray_res_alloc_irq(sc); if (error) { ray_res_release(sc); return (error); } /* * Reset any pending interrupts */ RAY_HCS_CLEAR_INTR(sc); /* * Set the parameters that will survive stop/init and * reset a few things on the card. * * Do not update these in ray_init_download's parameter setup * * XXX see the ray_init_download section for stuff to move */ RAY_MAP_CM(sc); bzero(&sc->sc_d, sizeof(struct ray_nw_param)); bzero(&sc->sc_c, sizeof(struct ray_nw_param)); /* Clear statistics counters */ sc->sc_rxoverflow = 0; sc->sc_rxcksum = 0; sc->sc_rxhcksum = 0; sc->sc_rxnoise = 0; /* Clear signal and antenna cache */ bzero(sc->sc_siglevs, sizeof(sc->sc_siglevs)); /* Set all ccs to be free */ bzero(sc->sc_ccsinuse, sizeof(sc->sc_ccsinuse)); ccs = RAY_CCS_ADDRESS(0); for (i = 0; i < RAY_CCS_LAST; ccs += RAY_CCS_SIZE, i++) RAY_CCS_FREE(sc, ccs); /* * Initialise the network interface structure */ bcopy((char *)&ep->e_station_addr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); ifp->if_softc = sc; ifp->if_name = "ray"; ifp->if_unit = device_get_unit(dev); ifp->if_timer = 0; ifp->if_flags = (IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST); ifp->if_hdrlen = sizeof(struct ieee80211_frame) + sizeof(struct ether_header); ifp->if_baudrate = 1000000; /* Is this baud or bps ;-) */ ifp->if_output = ether_output; ifp->if_start = ray_tx; ifp->if_ioctl = ray_ioctl; ifp->if_watchdog = ray_watchdog; ifp->if_init = ray_init; ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; ether_ifattach(ifp, ETHER_BPF_SUPPORTED); /* * Initialise the timers and driver */ callout_handle_init(&sc->com_timerh); callout_handle_init(&sc->tx_timerh); TAILQ_INIT(&sc->sc_comq); /* * Print out some useful information */ if (bootverbose || (RAY_DEBUG & RAY_DBG_BOOTPARAM)) { RAY_PRINTF(sc, "start up results"); if (sc->sc_version == RAY_ECFS_BUILD_4) printf(". Firmware version 4\n"); else printf(". Firmware version 5\n"); printf(". Status 0x%b\n", ep->e_status, RAY_ECFS_PRINTFB); printf(". Ether address %6D\n", ep->e_station_addr, ":"); if (sc->sc_version == RAY_ECFS_BUILD_4) { printf(". Program checksum %0x\n", ep->e_resv0); printf(". CIS checksum %0x\n", ep->e_rates[0]); } else { printf(". (reserved word) %0x\n", ep->e_resv0); printf(". Supported rates %8D\n", ep->e_rates, ":"); } printf(". Japan call sign %12D\n", ep->e_japan_callsign, ":"); if (sc->sc_version == RAY_ECFS_BUILD_5) { printf(". Program checksum %0x\n", ep->e_prg_cksum); printf(". CIS checksum %0x\n", ep->e_cis_cksum); printf(". Firmware version %0x\n", ep->e_fw_build_string); printf(". Firmware revision %0x\n", ep->e_fw_build); printf(". (reserved word) %0x\n", ep->e_fw_resv); printf(". ASIC version %0x\n", ep->e_asic_version); printf(". TIB size %0x\n", ep->e_tibsize); } } return (0); } /* * Detach the card * * This is usually called when the card is ejected, but * can be caused by a modunload of a controller driver. * The idea is to reset the driver's view of the device * and ensure that any driver entry points such as * read and write do not hang. */ static int ray_detach(device_t dev) { struct ray_softc *sc = device_get_softc(dev); struct ifnet *ifp = &sc->arpcom.ac_if; struct ray_comq_entry *com; int s; s = splimp(); RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STOP, ""); if ((sc == NULL) || (sc->sc_gone)) return (0); /* * Mark as not running and detach the interface. * * N.B. if_detach can trigger ioctls so we do it first and * then clean the runq. */ sc->sc_gone = 1; sc->sc_c.np_havenet = 0; ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); ether_ifdetach(ifp, ETHER_BPF_SUPPORTED); /* * Stop the runq and wake up anyone sleeping for us. */ untimeout(ray_com_ecf_timo, sc, sc->com_timerh); untimeout(ray_tx_timo, sc, sc->tx_timerh); com = TAILQ_FIRST(&sc->sc_comq); TAILQ_FOREACH(com, &sc->sc_comq, c_chain) { com->c_flags |= RAY_COM_FDETACHED; com->c_retval = 0; RAY_DPRINTF(sc, RAY_DBG_STOP, "looking at com %p %b", com, com->c_flags, RAY_COM_FLAGS_PRINTFB); if (com->c_flags & RAY_COM_FWOK) { RAY_DPRINTF(sc, RAY_DBG_STOP, "waking com %p", com); wakeup(com->c_wakeup); } } /* * Release resources */ ray_res_release(sc); RAY_DPRINTF(sc, RAY_DBG_STOP, "unloading complete"); splx(s); return (0); } /* * Network ioctl request. */ static int ray_ioctl(register struct ifnet *ifp, u_long command, caddr_t data) { struct ray_softc *sc = ifp->if_softc; struct ray_param_req pr; struct ray_stats_req sr; struct ifreq *ifr = (struct ifreq *)data; int s, error, error2; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_IOCTL, ""); if ((sc == NULL) || (sc->sc_gone)) return (ENXIO); error = error2 = 0; s = splimp(); switch (command) { case SIOCGIFADDR: case SIOCSIFMTU: case SIOCSIFADDR: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFADDR/SIFMTU"); error = ether_ioctl(ifp, command, data); /* XXX SIFADDR used to fall through to SIOCSIFFLAGS */ break; case SIOCSIFFLAGS: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "SIFFLAGS 0x%0x", ifp->if_flags); /* * If the interface is marked up we call ray_init_user. * This will deal with mcast and promisc flags as well as * initialising the hardware if it needs it. */ if (ifp->if_flags & IFF_UP) error = ray_init_user(sc); else error = ray_stop_user(sc); break; case SIOCADDMULTI: case SIOCDELMULTI: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "ADDMULTI/DELMULTI"); error = ray_mcast_user(sc); break; case SIOCSRAYPARAM: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "SRAYPARAM"); if ((error = copyin(ifr->ifr_data, &pr, sizeof(pr)))) break; error = ray_upparams_user(sc, &pr); error2 = copyout(&pr, ifr->ifr_data, sizeof(pr)); error = error2 ? error2 : error; break; case SIOCGRAYPARAM: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GRAYPARAM"); if ((error = copyin(ifr->ifr_data, &pr, sizeof(pr)))) break; error = ray_repparams_user(sc, &pr); error2 = copyout(&pr, ifr->ifr_data, sizeof(pr)); error = error2 ? error2 : error; break; case SIOCGRAYSTATS: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GRAYSTATS"); error = ray_repstats_user(sc, &sr); error2 = copyout(&sr, ifr->ifr_data, sizeof(sr)); error = error2 ? error2 : error; break; case SIOCGRAYSIGLEV: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GRAYSIGLEV"); error = copyout(sc->sc_siglevs, ifr->ifr_data, sizeof(sc->sc_siglevs)); break; case SIOCGIFFLAGS: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFFLAGS"); error = EINVAL; break; case SIOCGIFMETRIC: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFMETRIC"); error = EINVAL; break; case SIOCGIFMTU: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFMTU"); error = EINVAL; break; case SIOCGIFPHYS: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFPYHS"); error = EINVAL; break; case SIOCSIFMEDIA: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "SIFMEDIA"); error = EINVAL; break; case SIOCGIFMEDIA: RAY_DPRINTF(sc, RAY_DBG_IOCTL, "GIFMEDIA"); error = EINVAL; break; default: error = EINVAL; } splx(s); return (error); } /* * Ethernet layer entry to ray_init - discard errors */ static void ray_init(void *xsc) { struct ray_softc *sc = (struct ray_softc *)xsc; ray_init_user(sc); } /* * User land entry to network initialisation and changes in interface flags. * * We do a very little work here, just creating runq entries to * processes the actions needed to cope with interface flags. We do it * this way in case there are runq entries outstanding from earlier * ioctls that modify the interface flags. * * Returns values are either 0 for success, a varity of resource allocation * failures or errors in the command sent to the card. * * Note, IFF_RUNNING is eventually set by init_sj_done or init_assoc_done */ static int ray_init_user(struct ray_softc *sc) { struct ray_comq_entry *com[6]; int error, ncom; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); /* * Create the following runq entries to bring the card up. * * init_download - download the network to the card * init_mcast - reset multicast list * init_sj - find or start a BSS * init_auth - authenticate with a ESSID if needed * init_assoc - associate with a ESSID if needed * * They are only actually executed if the card is not running. * We may enter this routine from a simple change of IP * address and do not need to get the card to do these things. * However, we cannot perform the check here as there may be * commands in the runq that change the IFF_RUNNING state of * the interface. */ ncom = 0; com[ncom++] = RAY_COM_MALLOC(ray_init_download, RAY_COM_FCHKRUNNING); com[ncom++] = RAY_COM_MALLOC(ray_init_mcast, RAY_COM_FCHKRUNNING); com[ncom++] = RAY_COM_MALLOC(ray_init_sj, RAY_COM_FCHKRUNNING); com[ncom++] = RAY_COM_MALLOC(ray_init_auth, RAY_COM_FCHKRUNNING); com[ncom++] = RAY_COM_MALLOC(ray_init_assoc, RAY_COM_FCHKRUNNING); /* * Create runq entries to process flags * * promisc - set/reset PROMISC and ALLMULTI flags * * They are only actually executed if the card is running */ com[ncom++] = RAY_COM_MALLOC(ray_promisc, 0); RAY_COM_RUNQ(sc, com, ncom, "rayinit", error); /* XXX no real error processing from anything yet! */ RAY_COM_FREE(com, ncom); return (error); } /* * Runq entry for resetting driver and downloading start up structures to card */ static void ray_init_download(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); /* If the card already running we might not need to download */ RAY_COM_CHKRUNNING(sc, com, ifp); /* * Reset instance variables * * The first set are network parameters that are read back when * the card starts or joins the network. * * The second set are network parameters that are downloaded to * the card. * * The third set are driver parameters. * * All of the variables in these sets can be updated by the * card or ioctls. * * XXX see the ray_attach section for stuff to move */ sc->sc_d.np_upd_param = 0; bzero(sc->sc_d.np_bss_id, ETHER_ADDR_LEN); sc->sc_d.np_inited = 0; sc->sc_d.np_def_txrate = RAY_MIB_BASIC_RATE_SET_DEFAULT; sc->sc_d.np_encrypt = 0; bzero(sc->sc_d.np_ssid, IEEE80211_NWID_LEN); if (sc->sc_version == RAY_ECFS_BUILD_4) { sc->sc_d.np_net_type = RAY_MIB_NET_TYPE_V4; strncpy(sc->sc_d.np_ssid, RAY_MIB_SSID_V4, IEEE80211_NWID_LEN); sc->sc_d.np_ap_status = RAY_MIB_AP_STATUS_V4; sc->sc_d.np_framing = RAY_FRAMING_ENCAPSULATION; } else { sc->sc_d.np_net_type = RAY_MIB_NET_TYPE_V5; strncpy(sc->sc_d.np_ssid, RAY_MIB_SSID_V5, IEEE80211_NWID_LEN); sc->sc_d.np_ap_status = RAY_MIB_AP_STATUS_V5; sc->sc_d.np_framing = RAY_FRAMING_TRANSLATION; } sc->sc_d.np_priv_start = RAY_MIB_PRIVACY_MUST_START_DEFAULT; sc->sc_d.np_priv_join = RAY_MIB_PRIVACY_CAN_JOIN_DEFAULT; sc->sc_d.np_promisc = !!(ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)); /* XXX this is a hack whilst I transition the code. The instance * XXX variables above should be set somewhere else. This is needed for * XXX start_join */ bcopy(&sc->sc_d, &com->c_desired, sizeof(struct ray_nw_param)); /* * Download the right firmware defaults */ if (sc->sc_version == RAY_ECFS_BUILD_4) ray_init_download_v4(sc, com); else ray_init_download_v5(sc, com); /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_DOWNLOAD_PARAMS); ray_com_ecf(sc, com); } #define PUT2(p, v) \ do { (p)[0] = ((v >> 8) & 0xff); (p)[1] = (v & 0xff); } while(0) /* * Firmware version 4 defaults - see if_raymib.h for details */ static void ray_init_download_v4(struct ray_softc *sc, struct ray_comq_entry *com) { struct ray_mib_4 ray_mib_4_default; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_MAP_CM(sc); #define MIB4(m) ray_mib_4_default.##m MIB4(mib_net_type) = com->c_desired.np_net_type; MIB4(mib_ap_status) = com->c_desired.np_ap_status; bcopy(com->c_desired.np_ssid, MIB4(mib_ssid), IEEE80211_NWID_LEN); MIB4(mib_scan_mode) = RAY_MIB_SCAN_MODE_V4; MIB4(mib_apm_mode) = RAY_MIB_APM_MODE_V4; bcopy(sc->sc_station_addr, MIB4(mib_mac_addr), ETHER_ADDR_LEN); PUT2(MIB4(mib_frag_thresh), RAY_MIB_FRAG_THRESH_V4); PUT2(MIB4(mib_dwell_time), RAY_MIB_DWELL_TIME_V4); PUT2(MIB4(mib_beacon_period), RAY_MIB_BEACON_PERIOD_V4); MIB4(mib_dtim_interval) = RAY_MIB_DTIM_INTERVAL_V4; MIB4(mib_max_retry) = RAY_MIB_MAX_RETRY_V4; MIB4(mib_ack_timo) = RAY_MIB_ACK_TIMO_V4; MIB4(mib_sifs) = RAY_MIB_SIFS_V4; MIB4(mib_difs) = RAY_MIB_DIFS_V4; MIB4(mib_pifs) = RAY_MIB_PIFS_V4; PUT2(MIB4(mib_rts_thresh), RAY_MIB_RTS_THRESH_V4); PUT2(MIB4(mib_scan_dwell), RAY_MIB_SCAN_DWELL_V4); PUT2(MIB4(mib_scan_max_dwell), RAY_MIB_SCAN_MAX_DWELL_V4); MIB4(mib_assoc_timo) = RAY_MIB_ASSOC_TIMO_V4; MIB4(mib_adhoc_scan_cycle) = RAY_MIB_ADHOC_SCAN_CYCLE_V4; MIB4(mib_infra_scan_cycle) = RAY_MIB_INFRA_SCAN_CYCLE_V4; MIB4(mib_infra_super_scan_cycle) = RAY_MIB_INFRA_SUPER_SCAN_CYCLE_V4; MIB4(mib_promisc) = com->c_desired.np_promisc; PUT2(MIB4(mib_uniq_word), RAY_MIB_UNIQ_WORD_V4); MIB4(mib_slot_time) = RAY_MIB_SLOT_TIME_V4; MIB4(mib_roam_low_snr_thresh) = RAY_MIB_ROAM_LOW_SNR_THRESH_V4; MIB4(mib_low_snr_count) = RAY_MIB_LOW_SNR_COUNT_V4; MIB4(mib_infra_missed_beacon_count) = RAY_MIB_INFRA_MISSED_BEACON_COUNT_V4; MIB4(mib_adhoc_missed_beacon_count) = RAY_MIB_ADHOC_MISSED_BEACON_COUNT_V4; MIB4(mib_country_code) = RAY_MIB_COUNTRY_CODE_V4; MIB4(mib_hop_seq) = RAY_MIB_HOP_SEQ_V4; MIB4(mib_hop_seq_len) = RAY_MIB_HOP_SEQ_LEN_V4; MIB4(mib_cw_max) = RAY_MIB_CW_MAX_V4; MIB4(mib_cw_min) = RAY_MIB_CW_MIN_V4; MIB4(mib_noise_filter_gain) = RAY_MIB_NOISE_FILTER_GAIN_DEFAULT; MIB4(mib_noise_limit_offset) = RAY_MIB_NOISE_LIMIT_OFFSET_DEFAULT; MIB4(mib_rssi_thresh_offset) = RAY_MIB_RSSI_THRESH_OFFSET_DEFAULT; MIB4(mib_busy_thresh_offset) = RAY_MIB_BUSY_THRESH_OFFSET_DEFAULT; MIB4(mib_sync_thresh) = RAY_MIB_SYNC_THRESH_DEFAULT; MIB4(mib_test_mode) = RAY_MIB_TEST_MODE_DEFAULT; MIB4(mib_test_min_chan) = RAY_MIB_TEST_MIN_CHAN_DEFAULT; MIB4(mib_test_max_chan) = RAY_MIB_TEST_MAX_CHAN_DEFAULT; #undef MIB4 SRAM_WRITE_REGION(sc, RAY_HOST_TO_ECF_BASE, &ray_mib_4_default, sizeof(ray_mib_4_default)); } /* * Firmware version 5 defaults - see if_raymib.h for details */ static void ray_init_download_v5(struct ray_softc *sc, struct ray_comq_entry *com) { struct ray_mib_5 ray_mib_5_default; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_MAP_CM(sc); #define MIB5(m) ray_mib_5_default.##m MIB5(mib_net_type) = com->c_desired.np_net_type; MIB5(mib_ap_status) = com->c_desired.np_ap_status; bcopy(com->c_desired.np_ssid, MIB5(mib_ssid), IEEE80211_NWID_LEN); MIB5(mib_scan_mode) = RAY_MIB_SCAN_MODE_V5; MIB5(mib_apm_mode) = RAY_MIB_APM_MODE_V5; bcopy(sc->sc_station_addr, MIB5(mib_mac_addr), ETHER_ADDR_LEN); PUT2(MIB5(mib_frag_thresh), RAY_MIB_FRAG_THRESH_V5); PUT2(MIB5(mib_dwell_time), RAY_MIB_DWELL_TIME_V5); PUT2(MIB5(mib_beacon_period), RAY_MIB_BEACON_PERIOD_V5); MIB5(mib_dtim_interval) = RAY_MIB_DTIM_INTERVAL_V5; MIB5(mib_max_retry) = RAY_MIB_MAX_RETRY_V5; MIB5(mib_ack_timo) = RAY_MIB_ACK_TIMO_V5; MIB5(mib_sifs) = RAY_MIB_SIFS_V5; MIB5(mib_difs) = RAY_MIB_DIFS_V5; MIB5(mib_pifs) = RAY_MIB_PIFS_V5; PUT2(MIB5(mib_rts_thresh), RAY_MIB_RTS_THRESH_V5); PUT2(MIB5(mib_scan_dwell), RAY_MIB_SCAN_DWELL_V5); PUT2(MIB5(mib_scan_max_dwell), RAY_MIB_SCAN_MAX_DWELL_V5); MIB5(mib_assoc_timo) = RAY_MIB_ASSOC_TIMO_V5; MIB5(mib_adhoc_scan_cycle) = RAY_MIB_ADHOC_SCAN_CYCLE_V5; MIB5(mib_infra_scan_cycle) = RAY_MIB_INFRA_SCAN_CYCLE_V5; MIB5(mib_infra_super_scan_cycle) = RAY_MIB_INFRA_SUPER_SCAN_CYCLE_V5; MIB5(mib_promisc) = com->c_desired.np_promisc; PUT2(MIB5(mib_uniq_word), RAY_MIB_UNIQ_WORD_V5); MIB5(mib_slot_time) = RAY_MIB_SLOT_TIME_V5; MIB5(mib_roam_low_snr_thresh) = RAY_MIB_ROAM_LOW_SNR_THRESH_V5; MIB5(mib_low_snr_count) = RAY_MIB_LOW_SNR_COUNT_V5; MIB5(mib_infra_missed_beacon_count) = RAY_MIB_INFRA_MISSED_BEACON_COUNT_V5; MIB5(mib_adhoc_missed_beacon_count) = RAY_MIB_ADHOC_MISSED_BEACON_COUNT_V5; MIB5(mib_country_code) = RAY_MIB_COUNTRY_CODE_V5; MIB5(mib_hop_seq) = RAY_MIB_HOP_SEQ_V5; MIB5(mib_hop_seq_len) = RAY_MIB_HOP_SEQ_LEN_V5; PUT2(MIB5(mib_cw_max), RAY_MIB_CW_MAX_V5); PUT2(MIB5(mib_cw_min), RAY_MIB_CW_MIN_V5); MIB5(mib_noise_filter_gain) = RAY_MIB_NOISE_FILTER_GAIN_DEFAULT; MIB5(mib_noise_limit_offset) = RAY_MIB_NOISE_LIMIT_OFFSET_DEFAULT; MIB5(mib_rssi_thresh_offset) = RAY_MIB_RSSI_THRESH_OFFSET_DEFAULT; MIB5(mib_busy_thresh_offset) = RAY_MIB_BUSY_THRESH_OFFSET_DEFAULT; MIB5(mib_sync_thresh) = RAY_MIB_SYNC_THRESH_DEFAULT; MIB5(mib_test_mode) = RAY_MIB_TEST_MODE_DEFAULT; MIB5(mib_test_min_chan) = RAY_MIB_TEST_MIN_CHAN_DEFAULT; MIB5(mib_test_max_chan) = RAY_MIB_TEST_MAX_CHAN_DEFAULT; MIB5(mib_allow_probe_resp) = RAY_MIB_ALLOW_PROBE_RESP_DEFAULT; MIB5(mib_privacy_must_start) = com->c_desired.np_priv_start; MIB5(mib_privacy_can_join) = com->c_desired.np_priv_join; MIB5(mib_basic_rate_set[0]) = com->c_desired.np_def_txrate; #undef MIB5 SRAM_WRITE_REGION(sc, RAY_HOST_TO_ECF_BASE, &ray_mib_5_default, sizeof(ray_mib_5_default)); } #undef PUT2 /* * Download completion routine */ static void ray_init_download_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ ray_com_ecf_done(sc); } /* * Runq entry to empty the multicast filter list */ static void ray_init_mcast(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_MAP_CM(sc); /* If the card already running we might not need to reset the list */ RAY_COM_CHKRUNNING(sc, com, ifp); /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_UPDATE_MCAST); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update_mcast, c_nmcast, 0); ray_com_ecf(sc, com); } /* * Runq entry to starting or joining a network */ static void ray_init_sj(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ray_net_params np; int update; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_MAP_CM(sc); /* If the card already running we might not need to start the n/w */ RAY_COM_CHKRUNNING(sc, com, ifp); /* * Set up the right start or join command and determine * whether we should tell the card about a change in operating * parameters. */ sc->sc_c.np_havenet = 0; if (sc->sc_d.np_net_type == RAY_MIB_NET_TYPE_ADHOC) ray_ccs_fill(sc, com->c_ccs, RAY_CMD_START_NET); else ray_ccs_fill(sc, com->c_ccs, RAY_CMD_JOIN_NET); update = 0; if (sc->sc_c.np_net_type != sc->sc_d.np_net_type) update++; if (bcmp(sc->sc_c.np_ssid, sc->sc_d.np_ssid, IEEE80211_NWID_LEN)) update++; if (sc->sc_c.np_priv_join != sc->sc_d.np_priv_join) update++; if (sc->sc_c.np_priv_start != sc->sc_d.np_priv_start) update++; RAY_DPRINTF(sc, RAY_DBG_STARTJOIN, "%s updating nw params", update?"is":"not"); if (update) { bzero(&np, sizeof(np)); np.p_net_type = sc->sc_d.np_net_type; bcopy(sc->sc_d.np_ssid, np.p_ssid, IEEE80211_NWID_LEN); np.p_privacy_must_start = sc->sc_d.np_priv_start; np.p_privacy_can_join = sc->sc_d.np_priv_join; SRAM_WRITE_REGION(sc, RAY_HOST_TO_ECF_BASE, &np, sizeof(np)); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_net, c_upd_param, 1); } else SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_net, c_upd_param, 0); /* * Kick the card */ ray_com_ecf(sc, com); } /* * Complete start command or intermediate step in assoc command */ static void ray_init_sj_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_MAP_CM(sc); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ /* * Read back network parameters that the ECF sets */ SRAM_READ_REGION(sc, ccs, &sc->sc_c.p_1, sizeof(struct ray_cmd_net)); /* Adjust values for buggy firmware */ if (sc->sc_c.np_inited == 0x55) sc->sc_c.np_inited = 0; if (sc->sc_c.np_def_txrate == 0x55) sc->sc_c.np_def_txrate = sc->sc_d.np_def_txrate; if (sc->sc_c.np_encrypt == 0x55) sc->sc_c.np_encrypt = sc->sc_d.np_encrypt; /* * Update our local state if we updated the network parameters * when the START_NET or JOIN_NET was issued. */ if (sc->sc_c.np_upd_param) { RAY_DPRINTF(sc, RAY_DBG_STARTJOIN, "updated parameters"); SRAM_READ_REGION(sc, RAY_HOST_TO_ECF_BASE, &sc->sc_c.p_2, sizeof(struct ray_net_params)); } /* * Hurrah! The network is now active. * * Clearing IFF_OACTIVE will ensure that the system will send us * packets. Just before we return from the interrupt context * we check to see if packets have been queued. */ if (SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_cmd) == RAY_CMD_START_NET) { sc->sc_c.np_havenet = 1; sc->sc_c.np_framing = sc->sc_d.np_framing; ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; } ray_com_ecf_done(sc); } /* * Runq entry to authenticate with an access point or another station */ static void ray_init_auth(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN | RAY_DBG_AUTH, ""); /* If card already running we might not need to authenticate */ RAY_COM_CHKRUNNING(sc, com, ifp); /* * XXX Don't do anything if we are not in a managed network * * XXX V4 adhoc does not need this, V5 adhoc unknown */ if (sc->sc_c.np_net_type != RAY_MIB_NET_TYPE_INFRA) { ray_com_runq_done(sc); return; } /* * XXX_AUTH need to think of run queue when doing auths from request i.e. would * XXX_AUTH need to have auth at top of runq? * XXX_AUTH ditto for sending any auth response packets...what about timeouts? */ /* * Kick the card */ /* XXX_AUTH check exit status and retry or fail as we can't associate without this */ ray_init_auth_send(sc, sc->sc_c.np_bss_id, IEEE80211_AUTH_OPEN_REQUEST); } /* * Build and send an authentication packet * * If an error occurs, returns 1 else returns 0. */ static int ray_init_auth_send(struct ray_softc *sc, u_int8_t *dst, int sequence) { size_t ccs, bufp; int pktlen = 0; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN | RAY_DBG_AUTH, ""); /* Get a control block */ if (ray_ccs_tx(sc, &ccs, &bufp)) { RAY_RECERR(sc, "could not obtain a ccs"); return (1); } /* Fill the header in */ bufp = ray_tx_wrhdr(sc, bufp, IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_AUTH, IEEE80211_FC1_DIR_NODS, dst, sc->arpcom.ac_enaddr, sc->sc_c.np_bss_id); /* Add algorithm number */ SRAM_WRITE_1(sc, bufp + pktlen++, IEEE80211_AUTH_ALG_OPEN); SRAM_WRITE_1(sc, bufp + pktlen++, 0); /* Add sequence number */ SRAM_WRITE_1(sc, bufp + pktlen++, sequence); SRAM_WRITE_1(sc, bufp + pktlen++, 0); /* Add status code */ SRAM_WRITE_1(sc, bufp + pktlen++, 0); SRAM_WRITE_1(sc, bufp + pktlen++, 0); pktlen += sizeof(struct ieee80211_frame); return (ray_tx_send(sc, ccs, pktlen, dst)); } /* * Complete authentication runq */ static void ray_init_auth_done(struct ray_softc *sc, u_int8_t status) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN | RAY_DBG_AUTH, ""); if (status != IEEE80211_STATUS_SUCCESS) RAY_RECERR(sc, "authentication failed with status %d", status); /* * XXX_AUTH retry? if not just recall ray_init_auth_send and dont clear runq? * XXX_AUTH association requires that authenitcation is successful * XXX_AUTH before we associate, and the runq is the only way to halt the * XXX_AUTH progress of associate. * XXX_AUTH In this case I might not need the RAY_AUTH_NEEDED state */ ray_com_runq_done(sc); } /* * Runq entry to starting an association with an access point */ static void ray_init_assoc(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); /* If the card already running we might not need to associate */ RAY_COM_CHKRUNNING(sc, com, ifp); /* * Don't do anything if we are not in a managed network */ if (sc->sc_c.np_net_type != RAY_MIB_NET_TYPE_INFRA) { ray_com_runq_done(sc); return; } /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_START_ASSOC); ray_com_ecf(sc, com); } /* * Complete association */ static void ray_init_assoc_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ /* * Hurrah! The network is now active. * * Clearing IFF_OACTIVE will ensure that the system will send us * packets. Just before we return from the interrupt context * we check to see if packets have been queued. */ sc->sc_c.np_havenet = 1; sc->sc_c.np_framing = sc->sc_d.np_framing; ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; ray_com_ecf_done(sc); } /* * Network stop. * * Inhibit card - if we can't prevent reception then do not worry; * stopping a NIC only guarantees no TX. * * The change to the interface flags is done via the runq so that any * existing commands can execute normally. */ static int ray_stop_user(struct ray_softc *sc) { struct ray_comq_entry *com[1]; int error, ncom; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STOP, ""); /* * Schedule the real stop routine */ ncom = 0; com[ncom++] = RAY_COM_MALLOC(ray_stop, 0); RAY_COM_RUNQ(sc, com, ncom, "raystop", error); /* XXX no real error processing from anything yet! */ RAY_COM_FREE(com, ncom); return (error); } /* * Runq entry for stopping the interface activity */ static void ray_stop(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; struct mbuf *m; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STOP, ""); /* * Mark as not running and drain output queue */ ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); ifp->if_timer = 0; for (;;) { IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; m_freem(m); } ray_com_runq_done(sc); } static void ray_watchdog(struct ifnet *ifp) { struct ray_softc *sc = ifp->if_softc; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); if ((sc == NULL) || (sc->sc_gone)) return; RAY_PRINTF(sc, "watchdog timeout"); } /* * Transmit packet handling */ /* * Send a packet. * * We make two assumptions here: * 1) That the current priority is set to splimp _before_ this code * is called *and* is returned to the appropriate priority after * return * 2) That the IFF_OACTIVE flag is checked before this code is called * (i.e. that the output part of the interface is idle) * * A simple one packet at a time TX routine is used - we don't bother * chaining TX buffers. Performance is sufficient to max out the * wireless link on a P75. * * AST J30 Windows 95A (100MHz Pentium) to * Libretto 50CT FreeBSD-3.1 (75MHz Pentium) 167.37kB/s * Nonname box FreeBSD-3.4 (233MHz AMD K6) 161.82kB/s * * Libretto 50CT FreeBSD-3.1 (75MHz Pentium) to * AST J30 Windows 95A (100MHz Pentium) 167.37kB/s * Nonname box FreeBSD-3.4 (233MHz AMD K6) 161.38kB/s * * Given that 160kB/s is saturating the 2Mb/s wireless link we * are about there. * * In short I'm happy that the added complexity of chaining TX * packets together isn't worth it for my machines. */ static void ray_tx(struct ifnet *ifp) { struct ray_softc *sc = ifp->if_softc; struct mbuf *m0, *m; struct ether_header *eh; struct llc *llc; size_t ccs, bufp; int pktlen, len; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_TX, ""); RAY_MAP_CM(sc); /* * Some simple checks first - some are overkill */ if ((sc == NULL) || (sc->sc_gone)) return; if (!(ifp->if_flags & IFF_RUNNING)) { RAY_RECERR(sc, "cannot transmit - not running"); return; } if (!sc->sc_c.np_havenet) { RAY_RECERR(sc, "cannot transmit - no network"); return; } if (!RAY_ECF_READY(sc)) { /* Can't assume that the ECF is busy because of this driver */ if ((sc->tx_timerh.callout == NULL) || (!callout_active(sc->tx_timerh.callout))) { sc->tx_timerh = timeout(ray_tx_timo, sc, RAY_TX_TIMEOUT); return; } } else untimeout(ray_tx_timo, sc, sc->tx_timerh); /* * We find a ccs before we process the mbuf so that we are sure it * is worthwhile processing the packet. All errors in the mbuf * processing are either errors in the mbuf or gross configuration * errors and the packet wouldn't get through anyway. */ if (ray_ccs_tx(sc, &ccs, &bufp)) { ifp->if_flags |= IFF_OACTIVE; return; } /* * Get the mbuf and process it - we have to remember to free the * ccs if there are any errors. */ IF_DEQUEUE(&ifp->if_snd, m0); if (m0 == NULL) { RAY_CCS_FREE(sc, ccs); return; } pktlen = m0->m_pkthdr.len; if (pktlen > ETHER_MAX_LEN - ETHER_CRC_LEN) { RAY_RECERR(sc, "mbuf too long %d", pktlen); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; m_freem(m0); return; } m0 = m_pullup(m0, sizeof(struct ether_header)); if (m0 == NULL) { RAY_RECERR(sc, "could not pullup ether"); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; return; } eh = mtod(m0, struct ether_header *); /* * Write the 802.11 header according to network type etc. */ if (sc->sc_c.np_net_type == RAY_MIB_NET_TYPE_ADHOC) bufp = ray_tx_wrhdr(sc, bufp, IEEE80211_FC0_TYPE_DATA, IEEE80211_FC1_DIR_NODS, eh->ether_dhost, eh->ether_shost, sc->sc_c.np_bss_id); else if (sc->sc_c.np_ap_status == RAY_MIB_AP_STATUS_TERMINAL) bufp = ray_tx_wrhdr(sc, bufp, IEEE80211_FC0_TYPE_DATA, IEEE80211_FC1_DIR_TODS, sc->sc_c.np_bss_id, eh->ether_shost, eh->ether_dhost); else bufp = ray_tx_wrhdr(sc, bufp, IEEE80211_FC0_TYPE_DATA, IEEE80211_FC1_DIR_FROMDS, eh->ether_dhost, sc->sc_c.np_bss_id, eh->ether_shost); /* * Framing * * Add to the mbuf. */ switch (sc->sc_c.np_framing) { case RAY_FRAMING_ENCAPSULATION: /* Nice and easy - nothing! (just add an 802.11 header) */ break; case RAY_FRAMING_TRANSLATION: /* * Drop the first address in the ethernet header and * write an LLC and SNAP header over the second. */ m_adj(m0, ETHER_ADDR_LEN); if (m0 == NULL) { RAY_RECERR(sc, "could not get space for 802.2 header"); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; return; } llc = mtod(m0, struct llc *); llc->llc_dsap = LLC_SNAP_LSAP; llc->llc_ssap = LLC_SNAP_LSAP; llc->llc_control = LLC_UI; llc->llc_un.type_snap.org_code[0] = 0; llc->llc_un.type_snap.org_code[1] = 0; llc->llc_un.type_snap.org_code[2] = 0; break; default: RAY_RECERR(sc, "unknown framing type %d", sc->sc_c.np_framing); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; m_freem(m0); return; } if (m0 == NULL) { RAY_RECERR(sc, "could not frame packet"); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; return; } RAY_MBUF_DUMP(sc, RAY_DBG_TX, m0, "framed packet"); /* * Copy the mbuf to the buffer in common memory * * We drop and don't bother wrapping as Ethernet packets are 1518 * bytes, we checked the mbuf earlier, and our TX buffers are 2048 * bytes. We don't have 530 bytes of headers etc. so something * must be fubar. */ pktlen = sizeof(struct ieee80211_frame); for (m = m0; m != NULL; m = m->m_next) { pktlen += m->m_len; if ((len = m->m_len) == 0) continue; if ((bufp + len) < RAY_TX_END) SRAM_WRITE_REGION(sc, bufp, mtod(m, u_int8_t *), len); else { RAY_RECERR(sc, "tx buffer overflow"); RAY_CCS_FREE(sc, ccs); ifp->if_oerrors++; m_freem(m0); return; } bufp += len; } /* * Send it off */ if (ray_tx_send(sc, ccs, pktlen, eh->ether_dhost)) ifp->if_oerrors++; else ifp->if_opackets++; m_freem(m0); } /* * Start timeout routine. * * Used when card was busy but we needed to send a packet. */ static void ray_tx_timo(void *xsc) { struct ray_softc *sc = (struct ray_softc *)xsc; struct ifnet *ifp = &sc->arpcom.ac_if; int s; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); if (!(ifp->if_flags & IFF_OACTIVE) && (ifp->if_snd.ifq_head != NULL)) { s = splimp(); ray_tx(ifp); splx(s); } } /* * Write an 802.11 header into the Tx buffer space and return the * adjusted buffer pointer. */ static size_t ray_tx_wrhdr(struct ray_softc *sc, size_t bufp, u_int8_t type, u_int8_t fc1, u_int8_t *addr1, u_int8_t *addr2, u_int8_t *addr3) { struct ieee80211_frame header; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_TX, ""); RAY_MAP_CM(sc); bzero(&header, sizeof(struct ieee80211_frame)); header.i_fc[0] = (IEEE80211_FC0_VERSION_0 | type); header.i_fc[1] = fc1; bcopy(addr1, header.i_addr1, ETHER_ADDR_LEN); bcopy(addr2, header.i_addr2, ETHER_ADDR_LEN); bcopy(addr3, header.i_addr3, ETHER_ADDR_LEN); SRAM_WRITE_REGION(sc, bufp, (u_int8_t *)&header, sizeof(struct ieee80211_frame)); return (bufp + sizeof(struct ieee80211_frame)); } /* * Fill in a few loose ends and kick the card to send the packet * * Returns 0 on success, 1 on failure */ static int ray_tx_send(struct ray_softc *sc, size_t ccs, int pktlen, u_int8_t *dst) { int i = 0; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_TX, ""); RAY_MAP_CM(sc); while (!RAY_ECF_READY(sc)) { DELAY(RAY_ECF_SPIN_DELAY); if (++i > RAY_ECF_SPIN_TRIES) { RAY_RECERR(sc, "ECF busy, dropping packet"); RAY_CCS_FREE(sc, ccs); return (1); } } if (i != 0) RAY_RECERR(sc, "spun %d times", i); SRAM_WRITE_FIELD_2(sc, ccs, ray_cmd_tx, c_len, pktlen); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_antenna, ray_tx_best_antenna(sc, dst)); SRAM_WRITE_1(sc, RAY_SCB_CCSI, RAY_CCS_INDEX(ccs)); RAY_ECF_START_CMD(sc); return (0); } /* * Determine best antenna to use from rx level and antenna cache */ static u_int8_t ray_tx_best_antenna(struct ray_softc *sc, u_int8_t *dst) { struct ray_siglev *sl; int i; u_int8_t antenna; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_TX, ""); if (sc->sc_version == RAY_ECFS_BUILD_4) return (0); /* try to find host */ for (i = 0; i < RAY_NSIGLEVRECS; i++) { sl = &sc->sc_siglevs[i]; if (bcmp(sl->rsl_host, dst, ETHER_ADDR_LEN) == 0) goto found; } /* not found, return default setting */ return (0); found: /* This is a simple thresholding scheme that takes the mean * of the best antenna history. This is okay but as it is a * filter, it adds a bit of lag in situations where the * best antenna swaps from one side to the other slowly. Don't know * how likely this is given the horrible fading though. */ antenna = 0; for (i = 0; i < RAY_NANTENNA; i++) { antenna += sl->rsl_antennas[i]; } return (antenna > (RAY_NANTENNA >> 1)); } /* * Transmit now complete so clear ccs and network flags. */ static void ray_tx_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_TX, ""); RAY_CCSERR(sc, status, if_oerrors); RAY_CCS_FREE(sc, ccs); ifp->if_timer = 0; if (ifp->if_flags & IFF_OACTIVE) ifp->if_flags &= ~IFF_OACTIVE; } /* * Receiver packet handling */ /* * Receive a packet from the card */ static void ray_rx(struct ray_softc *sc, size_t rcs) { struct ieee80211_frame *header; struct ifnet *ifp = &sc->arpcom.ac_if; struct mbuf *m0; size_t pktlen, fraglen, readlen, tmplen; size_t bufp, ebufp; u_int8_t siglev, antenna; u_int first, ni, i; u_int8_t *mp; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); RAY_DPRINTF(sc, RAY_DBG_CCS, "using rcs 0x%x", rcs); m0 = NULL; readlen = 0; /* * Get first part of packet and the length. Do some sanity checks * and get a mbuf. */ first = RAY_CCS_INDEX(rcs); pktlen = SRAM_READ_FIELD_2(sc, rcs, ray_cmd_rx, c_pktlen); siglev = SRAM_READ_FIELD_1(sc, rcs, ray_cmd_rx, c_siglev); antenna = SRAM_READ_FIELD_1(sc, rcs, ray_cmd_rx, c_antenna); if ((pktlen > MCLBYTES) || (pktlen < sizeof(struct ieee80211_frame))) { RAY_RECERR(sc, "packet too big or too small"); ifp->if_ierrors++; goto skip_read; } MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 == NULL) { RAY_RECERR(sc, "MGETHDR failed"); ifp->if_ierrors++; goto skip_read; } if (pktlen > MHLEN) { MCLGET(m0, M_DONTWAIT); if (!(m0->m_flags & M_EXT)) { RAY_RECERR(sc, "MCLGET failed"); ifp->if_ierrors++; m_freem(m0); m0 = NULL; goto skip_read; } } m0->m_pkthdr.rcvif = ifp; m0->m_pkthdr.len = pktlen; m0->m_len = pktlen; mp = mtod(m0, u_int8_t *); /* * Walk the fragment chain to build the complete packet. * * The use of two index variables removes a race with the * hardware. If one index were used the clearing of the CCS would * happen before reading the next pointer and the hardware can get in. * Not my idea but verbatim from the NetBSD driver. */ i = ni = first; while ((i = ni) && (i != RAY_CCS_LINK_NULL)) { rcs = RAY_CCS_ADDRESS(i); ni = SRAM_READ_FIELD_1(sc, rcs, ray_cmd_rx, c_nextfrag); bufp = SRAM_READ_FIELD_2(sc, rcs, ray_cmd_rx, c_bufp); fraglen = SRAM_READ_FIELD_2(sc, rcs, ray_cmd_rx, c_len); if (fraglen + readlen > pktlen) { RAY_RECERR(sc, "bad length current 0x%x pktlen 0x%x", fraglen + readlen, pktlen); ifp->if_ierrors++; m_freem(m0); m0 = NULL; goto skip_read; } if ((i < RAY_RCS_FIRST) || (i > RAY_RCS_LAST)) { RAY_RECERR(sc, "bad rcs index 0x%x", i); ifp->if_ierrors++; m_freem(m0); m0 = NULL; goto skip_read; } ebufp = bufp + fraglen; if (ebufp <= RAY_RX_END) SRAM_READ_REGION(sc, bufp, mp, fraglen); else { SRAM_READ_REGION(sc, bufp, mp, (tmplen = RAY_RX_END - bufp)); SRAM_READ_REGION(sc, RAY_RX_BASE, mp + tmplen, ebufp - RAY_RX_END); } mp += fraglen; readlen += fraglen; } skip_read: /* * Walk the chain again to free the rcss. */ i = ni = first; while ((i = ni) && (i != RAY_CCS_LINK_NULL)) { rcs = RAY_CCS_ADDRESS(i); ni = SRAM_READ_FIELD_1(sc, rcs, ray_cmd_rx, c_nextfrag); RAY_CCS_FREE(sc, rcs); } if (m0 == NULL) return; /* * Check the 802.11 packet type and hand off to * appropriate functions. */ header = mtod(m0, struct ieee80211_frame *); if ((header->i_fc[0] & IEEE80211_FC0_VERSION_MASK) != IEEE80211_FC0_VERSION_0) { RAY_RECERR(sc, "header not version 0 fc0 0x%x", header->i_fc[0]); ifp->if_ierrors++; m_freem(m0); return; } switch (header->i_fc[0] & IEEE80211_FC0_TYPE_MASK) { case IEEE80211_FC0_TYPE_DATA: ray_rx_data(sc, m0, siglev, antenna); break; case IEEE80211_FC0_TYPE_MGT: ray_rx_mgt(sc, m0); break; case IEEE80211_FC0_TYPE_CTL: ray_rx_ctl(sc, m0); break; default: RAY_RECERR(sc, "unknown packet fc0 0x%x", header->i_fc[0]); ifp->if_ierrors++; m_freem(m0); } } /* * Deal with DATA packet types */ static void ray_rx_data(struct ray_softc *sc, struct mbuf *m0, u_int8_t siglev, u_int8_t antenna) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); struct ether_header *eh; struct llc *llc; u_int8_t *sa = NULL, *da = NULL, *ra = NULL, *ta = NULL; int trim = 0; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_RX, ""); /* * Check the the data packet subtype, some packets have * nothing in them so we will drop them here. */ switch (header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { case IEEE80211_FC0_SUBTYPE_DATA: case IEEE80211_FC0_SUBTYPE_CF_ACK: case IEEE80211_FC0_SUBTYPE_CF_POLL: case IEEE80211_FC0_SUBTYPE_CF_ACPL: RAY_DPRINTF(sc, RAY_DBG_RX, "DATA packet"); break; case IEEE80211_FC0_SUBTYPE_NODATA: case IEEE80211_FC0_SUBTYPE_CFACK: case IEEE80211_FC0_SUBTYPE_CFPOLL: case IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK: RAY_DPRINTF(sc, RAY_DBG_RX, "NULL packet"); m_freem(m0); return; break; default: RAY_RECERR(sc, "reserved DATA packet subtype 0x%x", header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK); ifp->if_ierrors++; m_freem(m0); return; } /* * Parse the To DS and From DS fields to determine the length * of the 802.11 header for use later on. * * Additionally, furtle out the right destination and * source MAC addresses for the packet. Packets may come via * APs so the MAC addresses of the immediate node may be * different from the node that actually sent us the packet. * * da destination address of final recipient * sa source address of orginator * ra receiver address of immediate recipient * ta transmitter address of immediate orginator * * Address matching is performed on da or sa with the AP or * BSSID in ra and ta. */ RAY_MBUF_DUMP(sc, RAY_DBG_RX, m0, "(1) packet before framing"); switch (header->i_fc[1] & IEEE80211_FC1_DIR_MASK) { case IEEE80211_FC1_DIR_NODS: da = ra = header->i_addr1; sa = ta = header->i_addr2; trim = sizeof(struct ieee80211_frame); RAY_DPRINTF(sc, RAY_DBG_RX, "from %6D to %6D", sa, ":", da, ":"); break; case IEEE80211_FC1_DIR_FROMDS: da = ra = header->i_addr1; ta = header->i_addr2; sa = header->i_addr3; trim = sizeof(struct ieee80211_frame); RAY_DPRINTF(sc, RAY_DBG_RX, "ap %6D from %6D to %6D", ta, ":", sa, ":", da, ":"); break; case IEEE80211_FC1_DIR_TODS: ra = header->i_addr1; sa = ta = header->i_addr2; da = header->i_addr3; trim = sizeof(struct ieee80211_frame); RAY_DPRINTF(sc, RAY_DBG_RX, "from %6D to %6D ap %6D", sa, ":", da, ":", ra, ":"); break; case IEEE80211_FC1_DIR_DSTODS: ra = header->i_addr1; ta = header->i_addr2; da = header->i_addr3; sa = (u_int8_t *)header+1; trim = sizeof(struct ieee80211_frame) + ETHER_ADDR_LEN; RAY_DPRINTF(sc, RAY_DBG_RX, "from %6D to %6D ap %6D to %6D", sa, ":", da, ":", ta, ":", ra, ":"); break; } /* * Framing * * Each case must leave an Ethernet header and adjust trim. */ switch (sc->sc_c.np_framing) { case RAY_FRAMING_ENCAPSULATION: /* A NOP as the Ethernet header is in the packet */ break; case RAY_FRAMING_TRANSLATION: /* Check that we have an LLC and SNAP sequence */ llc = (struct llc *)((u_int8_t *)header + trim); if (llc->llc_dsap == LLC_SNAP_LSAP && llc->llc_ssap == LLC_SNAP_LSAP && llc->llc_control == LLC_UI && llc->llc_un.type_snap.org_code[0] == 0 && llc->llc_un.type_snap.org_code[1] == 0 && llc->llc_un.type_snap.org_code[2] == 0) { /* * This is not magic. RFC1042 header is 8 * bytes, with the last two bytes being the * ether type. So all we need is another * ETHER_ADDR_LEN bytes to write the * destination into. */ trim -= ETHER_ADDR_LEN; eh = (struct ether_header *)((u_int8_t *)header + trim); /* * Copy carefully to avoid mashing the MAC * addresses. The address layout in the .11 header * does make sense, honest, but it is a pain. * * NODS da sa no risk * FROMDS da ta sa sa then da * DSTODS ra ta da sa sa then da * TODS ra sa da da then sa */ if (sa > da) { /* Copy sa first */ bcopy(sa, eh->ether_shost, ETHER_ADDR_LEN); bcopy(da, eh->ether_dhost, ETHER_ADDR_LEN); } else { /* Copy da first */ bcopy(da, eh->ether_dhost, ETHER_ADDR_LEN); bcopy(sa, eh->ether_shost, ETHER_ADDR_LEN); } } else { /* Assume RAY_FRAMING_ENCAPSULATION */ RAY_RECERR(sc, "got encapsulated packet but in translation mode"); } break; default: RAY_RECERR(sc, "unknown framing type %d", sc->sc_c.np_framing); ifp->if_ierrors++; m_freem(m0); return; } RAY_MBUF_DUMP(sc, RAY_DBG_RX, m0, "(2) packet after framing"); /* * Finally, do a bit of house keeping before sending the packet * up the stack. */ m_adj(m0, trim); RAY_MBUF_DUMP(sc, RAY_DBG_RX, m0, "(3) packet after trimming"); ifp->if_ipackets++; ray_rx_update_cache(sc, header->i_addr2, siglev, antenna); eh = mtod(m0, struct ether_header *); m_adj(m0, sizeof(struct ether_header)); ether_input(ifp, eh, m0); } /* * Deal with MGT packet types */ static void ray_rx_mgt(struct ray_softc *sc, struct mbuf *m0) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_MGT, ""); if ((header->i_fc[1] & IEEE80211_FC1_DIR_MASK) != IEEE80211_FC1_DIR_NODS) { RAY_RECERR(sc, "MGT TODS/FROMDS wrong fc1 0x%x", header->i_fc[1] & IEEE80211_FC1_DIR_MASK); ifp->if_ierrors++; m_freem(m0); return; } /* * Check the the mgt packet subtype, some packets should be * dropped depending on the mode the station is in. See pg * 52(60) of docs * * P - proccess, J - Junk, E - ECF deals with, I - Illegal * ECF Proccesses * AHDOC procces or junk * INFRA STA process or junk * INFRA AP process or jumk * * +PPP IEEE80211_FC0_SUBTYPE_BEACON * +EEE IEEE80211_FC0_SUBTYPE_PROBE_REQ * +EEE IEEE80211_FC0_SUBTYPE_PROBE_RESP * PPP IEEE80211_FC0_SUBTYPE_AUTH * PPP IEEE80211_FC0_SUBTYPE_DEAUTH * JJP IEEE80211_FC0_SUBTYPE_ASSOC_REQ * JPJ IEEE80211_FC0_SUBTYPE_ASSOC_RESP * JPP IEEE80211_FC0_SUBTYPE_DISASSOC * JJP IEEE80211_FC0_SUBTYPE_REASSOC_REQ * JPJ IEEE80211_FC0_SUBTYPE_REASSOC_RESP * +EEE IEEE80211_FC0_SUBTYPE_ATIM */ RAY_MBUF_DUMP(sc, RAY_DBG_MGT, m0, "MGT packet"); switch (header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { case IEEE80211_FC0_SUBTYPE_BEACON: RAY_DPRINTF(sc, RAY_DBG_MGT, "BEACON MGT packet"); ray_rx_mgt_beacon(sc, m0); break; case IEEE80211_FC0_SUBTYPE_AUTH: RAY_DPRINTF(sc, RAY_DBG_MGT, "AUTH MGT packet"); ray_rx_mgt_auth(sc, m0); break; case IEEE80211_FC0_SUBTYPE_DEAUTH: RAY_DPRINTF(sc, RAY_DBG_MGT, "DEAUTH MGT packet"); /* XXX ray_rx_mgt_deauth(sc, m0); */ break; case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: case IEEE80211_FC0_SUBTYPE_REASSOC_REQ: RAY_DPRINTF(sc, RAY_DBG_MGT, "(RE)ASSOC_REQ MGT packet"); if ((sc->sc_c.np_net_type == RAY_MIB_NET_TYPE_INFRA) && (sc->sc_c.np_ap_status == RAY_MIB_AP_STATUS_AP)) RAY_RECERR(sc, "can't be an AP yet"); /* XXX_ACTING_AP */ break; case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: case IEEE80211_FC0_SUBTYPE_REASSOC_RESP: RAY_DPRINTF(sc, RAY_DBG_MGT, "(RE)ASSOC_RESP MGT packet"); if ((sc->sc_c.np_net_type == RAY_MIB_NET_TYPE_INFRA) && (sc->sc_c.np_ap_status == RAY_MIB_AP_STATUS_TERMINAL)) RAY_RECERR(sc, "can't be in INFRA yet"); /* XXX_INFRA */ break; case IEEE80211_FC0_SUBTYPE_DISASSOC: RAY_DPRINTF(sc, RAY_DBG_MGT, "DISASSOC MGT packet"); if (sc->sc_c.np_net_type == RAY_MIB_NET_TYPE_INFRA) RAY_RECERR(sc, "can't be in INFRA yet"); /* XXX_INFRA */ break; case IEEE80211_FC0_SUBTYPE_PROBE_REQ: case IEEE80211_FC0_SUBTYPE_PROBE_RESP: case IEEE80211_FC0_SUBTYPE_ATIM: RAY_RECERR(sc, "unexpected MGT packet subtype 0x%0x", header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK); ifp->if_ierrors++; break; default: RAY_RECERR(sc, "reserved MGT packet subtype 0x%x", header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK); ifp->if_ierrors++; } m_freem(m0); } /* * Deal with BEACON management packet types * XXX furtle anything interesting out * XXX Note that there are rules governing what beacons to read * XXX see 8802 S7.2.3, S11.1.2.3 * XXX is this actually useful? */ static void ray_rx_mgt_beacon(struct ray_softc *sc, struct mbuf *m0) { struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); ieee80211_mgt_beacon_t beacon = (u_int8_t *)(header+1); struct ieee80211_information elements; u_int64_t *timestamp; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_MGT, ""); timestamp = (u_int64_t *)beacon; RAY_DPRINTF(sc, RAY_DBG_MGT, "timestamp\t0x%x", *timestamp); RAY_DPRINTF(sc, RAY_DBG_MGT, "interval\t\t0x%x", IEEE80211_BEACON_INTERVAL(beacon)); RAY_DPRINTF(sc, RAY_DBG_MGT, "capability\t0x%x", IEEE80211_BEACON_CAPABILITY(beacon)); ray_rx_mgt_info(sc, m0, &elements); } static void ray_rx_mgt_info(struct ray_softc *sc, struct mbuf *m0, struct ieee80211_information *elements) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); ieee80211_mgt_beacon_t beacon = (u_int8_t *)(header+1); ieee80211_mgt_beacon_t bp, be; int len; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_MGT, ""); bp = beacon + 12; be = mtod(m0, u_int8_t *) + m0->m_len; while (bp < be) { len = *(bp + 1); RAY_DPRINTF(sc, RAY_DBG_MGT, "id 0x%02x length %d", *bp, len); switch (*bp) { case IEEE80211_ELEMID_SSID: if (len > IEEE80211_NWID_LEN) { RAY_RECERR(sc, "bad SSD length: %d from %6D", len, header->i_addr2, ":"); } strncpy(elements->ssid, bp + 2, len); elements->ssid[len] = 0; RAY_DPRINTF(sc, RAY_DBG_MGT, "beacon ssid %s", elements->ssid); break; case IEEE80211_ELEMID_RATES: RAY_DPRINTF(sc, RAY_DBG_MGT, "rates"); break; case IEEE80211_ELEMID_FHPARMS: elements->fh.dwell = bp[2] + (bp[3] << 8); elements->fh.set = bp[4]; elements->fh.pattern = bp[5]; elements->fh.index = bp[6]; RAY_DPRINTF(sc, RAY_DBG_MGT, "fhparams dwell\t0x%04x", elements->fh.dwell); RAY_DPRINTF(sc, RAY_DBG_MGT, "fhparams set\t0x%02x", elements->fh.set); RAY_DPRINTF(sc, RAY_DBG_MGT, "fhparams pattern\t0x%02x", elements->fh.pattern); RAY_DPRINTF(sc, RAY_DBG_MGT, "fhparams index\t0x%02x", elements->fh.index); break; case IEEE80211_ELEMID_DSPARMS: RAY_RECERR(sc, "got direct sequence params!"); break; case IEEE80211_ELEMID_CFPARMS: RAY_DPRINTF(sc, RAY_DBG_MGT, "cfparams"); break; case IEEE80211_ELEMID_TIM: elements->tim.count = bp[2]; elements->tim.period = bp[3]; elements->tim.bitctl = bp[4]; RAY_DPRINTF(sc, RAY_DBG_MGT, "tim count\t0x%02x", elements->tim.count); RAY_DPRINTF(sc, RAY_DBG_MGT, "tim period\t0x%02x", elements->tim.period); RAY_DPRINTF(sc, RAY_DBG_MGT, "tim bitctl\t0x%02x", elements->tim.bitctl); #if RAY_DEBUG & RAY_DBG_MGT { int i; for (i = 5; i < len + 1; i++) RAY_DPRINTF(sc, RAY_DBG_MGT, "tim pvt[%03d]\t0x%02x", i-5, bp[i]); } #endif (RAY_DEBUG & RAY_DBG_MGT) break; case IEEE80211_ELEMID_IBSSPARMS: elements->ibss.atim = bp[2] + (bp[3] << 8); RAY_DPRINTF(sc, RAY_DBG_MGT, "ibssparams atim\t0x%02x", elements->ibss.atim); break; case IEEE80211_ELEMID_CHALLENGE: RAY_DPRINTF(sc, RAY_DBG_MGT, "challenge"); break; default: RAY_RECERR(sc, "reserved MGT element id 0x%x", *bp); ifp->if_ierrors++;break; } bp += bp[1] + 2; } } /* * Deal with AUTH management packet types */ static void ray_rx_mgt_auth(struct ray_softc *sc, struct mbuf *m0) { struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); ieee80211_mgt_auth_t auth = (u_int8_t *)(header+1); RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_AUTH, ""); switch (IEEE80211_AUTH_ALGORITHM(auth)) { case IEEE80211_AUTH_ALG_OPEN: RAY_DPRINTF(sc, RAY_DBG_AUTH, "open system authentication sequence number %d", IEEE80211_AUTH_TRANSACTION(auth)); if (IEEE80211_AUTH_TRANSACTION(auth) == IEEE80211_AUTH_OPEN_REQUEST) { /* XXX_AUTH use ray_init_auth_send */ } else if (IEEE80211_AUTH_TRANSACTION(auth) == IEEE80211_AUTH_OPEN_RESPONSE) ray_init_auth_done(sc, IEEE80211_AUTH_STATUS(auth)); break; case IEEE80211_AUTH_ALG_SHARED: RAY_RECERR(sc, "shared key authentication sequence number %d", IEEE80211_AUTH_TRANSACTION(auth)); break; default: RAY_RECERR(sc, "reserved authentication subtype 0x%04hx", IEEE80211_AUTH_ALGORITHM(auth)); break; } } /* * Deal with CTL packet types */ static void ray_rx_ctl(struct ray_softc *sc, struct mbuf *m0) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ieee80211_frame *header = mtod(m0, struct ieee80211_frame *); RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CTL, ""); if ((header->i_fc[1] & IEEE80211_FC1_DIR_MASK) != IEEE80211_FC1_DIR_NODS) { RAY_RECERR(sc, "CTL TODS/FROMDS wrong fc1 0x%x", header->i_fc[1] & IEEE80211_FC1_DIR_MASK); ifp->if_ierrors++; m_freem(m0); return; } /* * Check the the ctl packet subtype, some packets should be * dropped depending on the mode the station is in. The ECF * should deal with everything but the power save poll to an * AP. See pg 52(60) of docs. */ RAY_MBUF_DUMP(sc, RAY_DBG_CTL, m0, "CTL packet"); switch (header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) { case IEEE80211_FC0_SUBTYPE_PS_POLL: RAY_DPRINTF(sc, RAY_DBG_CTL, "PS_POLL CTL packet"); if ((sc->sc_d.np_net_type == RAY_MIB_NET_TYPE_INFRA) && (sc->sc_c.np_ap_status == RAY_MIB_AP_STATUS_AP)) RAY_RECERR(sc, "can't be an AP yet"); /* XXX_ACTING_AP */ break; case IEEE80211_FC0_SUBTYPE_RTS: case IEEE80211_FC0_SUBTYPE_CTS: case IEEE80211_FC0_SUBTYPE_ACK: case IEEE80211_FC0_SUBTYPE_CF_END: case IEEE80211_FC0_SUBTYPE_CF_END_ACK: RAY_RECERR(sc, "unexpected CTL packet subtype 0x%0x", header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK); ifp->if_ierrors++; break; default: RAY_RECERR(sc, "reserved CTL packet subtype 0x%x", header->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK); ifp->if_ierrors++; } m_freem(m0); } /* * Update rx level and antenna cache */ static void ray_rx_update_cache(struct ray_softc *sc, u_int8_t *src, u_int8_t siglev, u_int8_t antenna) { struct timeval mint; struct ray_siglev *sl; int i, mini; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); /* Try to find host */ for (i = 0; i < RAY_NSIGLEVRECS; i++) { sl = &sc->sc_siglevs[i]; if (bcmp(sl->rsl_host, src, ETHER_ADDR_LEN) == 0) goto found; } /* Not found, find oldest slot */ mini = 0; mint.tv_sec = LONG_MAX; mint.tv_usec = 0; for (i = 0; i < RAY_NSIGLEVRECS; i++) { sl = &sc->sc_siglevs[i]; if (timevalcmp(&sl->rsl_time, &mint, <)) { mini = i; mint = sl->rsl_time; } } sl = &sc->sc_siglevs[mini]; bzero(sl->rsl_siglevs, RAY_NSIGLEV); bzero(sl->rsl_antennas, RAY_NANTENNA); bcopy(src, sl->rsl_host, ETHER_ADDR_LEN); found: microtime(&sl->rsl_time); bcopy(sl->rsl_siglevs, &sl->rsl_siglevs[1], RAY_NSIGLEV-1); sl->rsl_siglevs[0] = siglev; if (sc->sc_version != RAY_ECFS_BUILD_4) { bcopy(sl->rsl_antennas, &sl->rsl_antennas[1], RAY_NANTENNA-1); sl->rsl_antennas[0] = antenna; } } /* * Interrupt handling */ /* * Process an interrupt */ static void ray_intr(void *xsc) { struct ray_softc *sc = (struct ray_softc *)xsc; struct ifnet *ifp = &sc->arpcom.ac_if; size_t ccs; u_int8_t cmd, status; int ccsi; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); if ((sc == NULL) || (sc->sc_gone)) return; /* * Check that the interrupt was for us, if so get the rcs/ccs * and vector on the command contained within it. */ if (RAY_HCS_INTR(sc)) { ccsi = SRAM_READ_1(sc, RAY_SCB_RCSI); ccs = RAY_CCS_ADDRESS(ccsi); cmd = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_cmd); status = SRAM_READ_FIELD_1(sc, ccs, ray_cmd, c_status); if (ccsi <= RAY_CCS_LAST) ray_intr_ccs(sc, cmd, status, ccs); else if (ccsi <= RAY_RCS_LAST) ray_intr_rcs(sc, cmd, ccs); else RAY_RECERR(sc, "bad ccs index 0x%x", ccsi); RAY_HCS_CLEAR_INTR(sc); } /* Send any packets lying around and update error counters */ if (!(ifp->if_flags & IFF_OACTIVE) && (ifp->if_snd.ifq_head != NULL)) ray_tx(ifp); if ((++sc->sc_checkcounters % 32) == 0) ray_intr_updt_errcntrs(sc); } /* * Read the error counters. */ static void ray_intr_updt_errcntrs(struct ray_softc *sc) { size_t csc; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); /* * The card implements the following protocol to keep the * values from being changed while read: It checks the `own' * bit and if zero writes the current internal counter value, * it then sets the `own' bit to 1. If the `own' bit was 1 it * incremenets its internal counter. The user thus reads the * counter if the `own' bit is one and then sets the own bit * to 0. */ csc = RAY_STATUS_BASE; if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_mrxo_own)) { sc->sc_rxoverflow += SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow); SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_mrxo_own, 0); } if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_mrxc_own)) { sc->sc_rxcksum += SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow); SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_mrxc_own, 0); } if (SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_rxhc_own)) { sc->sc_rxhcksum += SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_rx_hcksum); SRAM_WRITE_FIELD_1(sc, csc, ray_csc, csc_rxhc_own, 0); } sc->sc_rxnoise = SRAM_READ_FIELD_1(sc, csc, ray_csc, csc_rx_noise); } /* * Process CCS command completion */ static void ray_intr_ccs(struct ray_softc *sc, u_int8_t cmd, u_int8_t status, size_t ccs) { RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); switch (cmd) { case RAY_CMD_DOWNLOAD_PARAMS: RAY_DPRINTF(sc, RAY_DBG_COM, "START_PARAMS"); ray_init_download_done(sc, status, ccs); break; case RAY_CMD_UPDATE_PARAMS: RAY_DPRINTF(sc, RAY_DBG_COM, "UPDATE_PARAMS"); ray_upparams_done(sc, status, ccs); break; case RAY_CMD_REPORT_PARAMS: RAY_DPRINTF(sc, RAY_DBG_COM, "REPORT_PARAMS"); ray_repparams_done(sc, status, ccs); break; case RAY_CMD_UPDATE_MCAST: RAY_DPRINTF(sc, RAY_DBG_COM, "UPDATE_MCAST"); ray_mcast_done(sc, status, ccs); break; case RAY_CMD_START_NET: case RAY_CMD_JOIN_NET: RAY_DPRINTF(sc, RAY_DBG_COM, "START|JOIN_NET"); ray_init_sj_done(sc, status, ccs); break; case RAY_CMD_TX_REQ: RAY_DPRINTF(sc, RAY_DBG_COM, "TX_REQ"); ray_tx_done(sc, status, ccs); break; case RAY_CMD_START_ASSOC: RAY_DPRINTF(sc, RAY_DBG_COM, "START_ASSOC"); ray_init_assoc_done(sc, status, ccs); break; case RAY_CMD_UPDATE_APM: RAY_RECERR(sc, "unexpected UPDATE_APM"); break; case RAY_CMD_TEST_MEM: RAY_RECERR(sc, "unexpected TEST_MEM"); break; case RAY_CMD_SHUTDOWN: RAY_RECERR(sc, "unexpected SHUTDOWN"); break; case RAY_CMD_DUMP_MEM: RAY_RECERR(sc, "unexpected DUMP_MEM"); break; case RAY_CMD_START_TIMER: RAY_RECERR(sc, "unexpected START_TIMER"); break; default: RAY_RECERR(sc, "unknown command 0x%x", cmd); break; } } /* * Process ECF command request */ static void ray_intr_rcs(struct ray_softc *sc, u_int8_t cmd, size_t rcs) { RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); switch (cmd) { case RAY_ECMD_RX_DONE: RAY_DPRINTF(sc, RAY_DBG_RX, "RX_DONE"); ray_rx(sc, rcs); break; case RAY_ECMD_REJOIN_DONE: RAY_DPRINTF(sc, RAY_DBG_RX, "REJOIN_DONE"); sc->sc_c.np_havenet = 1; /* XXX Should not be here but in function */ break; case RAY_ECMD_ROAM_START: RAY_DPRINTF(sc, RAY_DBG_RX, "ROAM_START"); sc->sc_c.np_havenet = 0; /* XXX Should not be here but in function */ break; case RAY_ECMD_JAPAN_CALL_SIGNAL: RAY_RECERR(sc, "unexpected JAPAN_CALL_SIGNAL"); break; default: RAY_RECERR(sc, "unknown command 0x%x", cmd); break; } RAY_CCS_FREE(sc, rcs); } /* * User land entry to multicast list changes */ static int ray_mcast_user(struct ray_softc *sc) { struct ray_comq_entry *com[2]; int error, ncom; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); /* * Do all checking in the runq to preserve ordering. * * We run promisc to pick up changes to the ALL_MULTI * interface flag. */ ncom = 0; com[ncom++] = RAY_COM_MALLOC(ray_mcast, 0); com[ncom++] = RAY_COM_MALLOC(ray_promisc, 0); RAY_COM_RUNQ(sc, com, ncom, "raymcast", error); /* XXX no real error processing from anything yet! */ RAY_COM_FREE(com, ncom); return (error); } /* * Runq entry to setting the multicast filter list * * MUST always be followed by a call to ray_promisc to pick up changes * to promisc flag */ static void ray_mcast(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; struct ifmultiaddr *ifma; size_t bufp; int count = 0; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); /* * If card is not running we don't need to update this. */ if (!(ifp->if_flags & IFF_RUNNING)) { RAY_DPRINTF(sc, RAY_DBG_IOCTL, "not running"); ray_com_runq_done(sc); return; } /* * The multicast list is only 16 items long so use promiscuous * mode and don't bother updating the multicast list. */ TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) count++; if (count == 0) { ray_com_runq_done(sc); return; } else if (count > 16) { ifp->if_flags |= IFF_ALLMULTI; ray_com_runq_done(sc); return; } else if (ifp->if_flags & IFF_ALLMULTI) ifp->if_flags &= ~IFF_ALLMULTI; /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_UPDATE_MCAST); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update_mcast, c_nmcast, count); bufp = RAY_HOST_TO_ECF_BASE; TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { SRAM_WRITE_REGION( sc, bufp, LLADDR((struct sockaddr_dl *)ifma->ifma_addr), ETHER_ADDR_LEN ); bufp += ETHER_ADDR_LEN; } ray_com_ecf(sc, com); } /* * Complete the multicast filter list update */ static void ray_mcast_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_STARTJOIN, ""); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ ray_com_ecf_done(sc); } /* * Runq entry to set/reset promiscuous mode */ static void ray_promisc(struct ray_softc *sc, struct ray_comq_entry *com) { struct ifnet *ifp = &sc->arpcom.ac_if; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); /* * If card not running or we already have the right flags * we don't need to update this */ sc->sc_d.np_promisc = !!(ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)); if (!(ifp->if_flags & IFF_RUNNING) || (sc->sc_c.np_promisc == sc->sc_d.np_promisc)) { ray_com_runq_done(sc); return; } /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_UPDATE_PARAMS); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update, c_paramid, RAY_MIB_PROMISC); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update, c_nparam, 1); SRAM_WRITE_1(sc, RAY_HOST_TO_ECF_BASE, sc->sc_d.np_promisc); ray_com_ecf(sc, com); } /* * User land entry to parameter reporting * * As we by pass the runq to report current parameters this function * only provides a snap shot of the driver's state. */ static int ray_repparams_user(struct ray_softc *sc, struct ray_param_req *pr) { struct ray_comq_entry *com[1]; int error, ncom; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); /* * Test for illegal values or immediate responses */ if (pr->r_paramid > RAY_MIB_MAX) return (EINVAL); if ((sc->sc_version == RAY_ECFS_BUILD_4) && !(mib_info[pr->r_paramid][0] & RAY_V4)) return (EINVAL); if ((sc->sc_version == RAY_ECFS_BUILD_5) && !(mib_info[pr->r_paramid][0] & RAY_V5)) return (EINVAL); if (pr->r_paramid > RAY_MIB_LASTUSER) { switch (pr->r_paramid) { case RAY_MIB_VERSION: if (sc->sc_version == RAY_ECFS_BUILD_4) *pr->r_data = RAY_V4; else *pr->r_data = RAY_V5; break; case RAY_MIB_CUR_BSSID: bcopy(sc->sc_c.np_bss_id, pr->r_data, ETHER_ADDR_LEN); break; case RAY_MIB_CUR_INITED: *pr->r_data = sc->sc_c.np_inited; break; case RAY_MIB_CUR_DEF_TXRATE: *pr->r_data = sc->sc_c.np_def_txrate; break; case RAY_MIB_CUR_ENCRYPT: *pr->r_data = sc->sc_c.np_encrypt; break; case RAY_MIB_CUR_NET_TYPE: *pr->r_data = sc->sc_c.np_net_type; break; case RAY_MIB_CUR_SSID: bcopy(sc->sc_c.np_ssid, pr->r_data, IEEE80211_NWID_LEN); break; case RAY_MIB_CUR_PRIV_START: *pr->r_data = sc->sc_c.np_priv_start; break; case RAY_MIB_CUR_PRIV_JOIN: *pr->r_data = sc->sc_c.np_priv_join; break; case RAY_MIB_DES_BSSID: bcopy(sc->sc_d.np_bss_id, pr->r_data, ETHER_ADDR_LEN); break; case RAY_MIB_DES_INITED: *pr->r_data = sc->sc_d.np_inited; break; case RAY_MIB_DES_DEF_TXRATE: *pr->r_data = sc->sc_d.np_def_txrate; break; case RAY_MIB_DES_ENCRYPT: *pr->r_data = sc->sc_d.np_encrypt; break; case RAY_MIB_DES_NET_TYPE: *pr->r_data = sc->sc_d.np_net_type; break; case RAY_MIB_DES_SSID: bcopy(sc->sc_d.np_ssid, pr->r_data, IEEE80211_NWID_LEN); break; case RAY_MIB_DES_PRIV_START: *pr->r_data = sc->sc_d.np_priv_start; break; case RAY_MIB_DES_PRIV_JOIN: *pr->r_data = sc->sc_d.np_priv_join; break; case RAY_MIB_CUR_AP_STATUS: *pr->r_data = sc->sc_c.np_ap_status; break; case RAY_MIB_CUR_PROMISC: *pr->r_data = sc->sc_c.np_promisc; break; case RAY_MIB_DES_AP_STATUS: *pr->r_data = sc->sc_d.np_ap_status; break; case RAY_MIB_DES_PROMISC: *pr->r_data = sc->sc_d.np_promisc; break; case RAY_MIB_CUR_FRAMING: *pr->r_data = sc->sc_c.np_framing; break; case RAY_MIB_DES_FRAMING: *pr->r_data = sc->sc_d.np_framing; break; default: return (EINVAL); break; } pr->r_failcause = 0; if (sc->sc_version == RAY_ECFS_BUILD_4) pr->r_len = mib_info[pr->r_paramid][RAY_MIB_INFO_SIZ4]; else if (sc->sc_version == RAY_ECFS_BUILD_5) pr->r_len = mib_info[pr->r_paramid][RAY_MIB_INFO_SIZ5]; return (0); } pr->r_failcause = 0; ncom = 0; com[ncom++] = RAY_COM_MALLOC(ray_repparams, RAY_COM_FWOK); com[ncom-1]->c_pr = pr; RAY_COM_RUNQ(sc, com, ncom, "rayrparm", error); /* XXX no real error processing from anything yet! */ if (!com[0]->c_retval && pr->r_failcause) error = EINVAL; RAY_COM_FREE(com, ncom); return (error); } /* * Runq entry to read the required parameter * * The card and driver are happy for parameters to be read * whenever the card is plugged in */ static void ray_repparams(struct ray_softc *sc, struct ray_comq_entry *com) { RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); /* * Kick the card */ ray_ccs_fill(sc, com->c_ccs, RAY_CMD_REPORT_PARAMS); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_report, c_paramid, com->c_pr->r_paramid); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_report, c_nparam, 1); ray_com_ecf(sc, com); } /* * Complete the parameter reporting */ static void ray_repparams_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { struct ray_comq_entry *com; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ com = TAILQ_FIRST(&sc->sc_comq); com->c_pr->r_failcause = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_report, c_failcause); com->c_pr->r_len = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_report, c_len); SRAM_READ_REGION(sc, RAY_ECF_TO_HOST_BASE, com->c_pr->r_data, com->c_pr->r_len); ray_com_ecf_done(sc); } /* * User land entry (and exit) to the error counters */ static int ray_repstats_user(struct ray_softc *sc, struct ray_stats_req *sr) { RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); sr->rxoverflow = sc->sc_rxoverflow; sr->rxcksum = sc->sc_rxcksum; sr->rxhcksum = sc->sc_rxhcksum; sr->rxnoise = sc->sc_rxnoise; return (0); } /* * User land entry to parameter update changes * * As a parameter change can cause the network parameters to be * invalid we have to re-start/join. */ static int ray_upparams_user(struct ray_softc *sc, struct ray_param_req *pr) { struct ray_comq_entry *com[4]; int error, ncom, todo; #define RAY_UPP_SJ 0x1 #define RAY_UPP_PARAMS 0x2 RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); /* * Check that the parameter is available based on firmware version */ pr->r_failcause = 0; if (pr->r_paramid > RAY_MIB_LASTUSER) return (EINVAL); if ((sc->sc_version == RAY_ECFS_BUILD_4) && !(mib_info[pr->r_paramid][0] & RAY_V4)) return (EINVAL); if ((sc->sc_version == RAY_ECFS_BUILD_5) && !(mib_info[pr->r_paramid][0] & RAY_V5)) return (EINVAL); /* * Handle certain parameters specially */ todo = 0; switch (pr->r_paramid) { case RAY_MIB_NET_TYPE: /* Updated via START_NET JOIN_NET */ sc->sc_d.np_net_type = *pr->r_data; todo |= RAY_UPP_SJ; break; case RAY_MIB_SSID: /* Updated via START_NET JOIN_NET */ bcopy(pr->r_data, sc->sc_d.np_ssid, IEEE80211_NWID_LEN); todo |= RAY_UPP_SJ; break; case RAY_MIB_PRIVACY_MUST_START:/* Updated via START_NET */ if (sc->sc_c.np_net_type != RAY_MIB_NET_TYPE_ADHOC) return (EINVAL); sc->sc_d.np_priv_start = *pr->r_data; todo |= RAY_UPP_SJ; break; case RAY_MIB_PRIVACY_CAN_JOIN: /* Updated via START_NET JOIN_NET */ sc->sc_d.np_priv_join = *pr->r_data; todo |= RAY_UPP_SJ; break; case RAY_MIB_BASIC_RATE_SET: sc->sc_d.np_def_txrate = *pr->r_data; todo |= RAY_UPP_PARAMS; break; case RAY_MIB_AP_STATUS: /* Unsupported */ case RAY_MIB_MAC_ADDR: /* XXX Need interface up but could be done */ case RAY_MIB_PROMISC: /* BPF */ return (EINVAL); break; default: todo |= RAY_UPP_PARAMS; todo |= RAY_UPP_SJ; break; } /* * Generate the runq entries as needed */ ncom = 0; if (todo & RAY_UPP_PARAMS) { com[ncom++] = RAY_COM_MALLOC(ray_upparams, 0); com[ncom-1]->c_pr = pr; } if (todo & RAY_UPP_SJ) { com[ncom++] = RAY_COM_MALLOC(ray_init_sj, 0); com[ncom++] = RAY_COM_MALLOC(ray_init_auth, 0); com[ncom++] = RAY_COM_MALLOC(ray_init_assoc, 0); } RAY_COM_RUNQ(sc, com, ncom, "rayuparam", error); /* XXX no real error processing from anything yet! */ if (!com[0]->c_retval && pr->r_failcause) error = EINVAL; RAY_COM_FREE(com, ncom); return (error); } /* * Runq entry to update a parameter * * The card and driver are happy for parameters to be updated * whenever the card is plugged in * * XXX the above is a little bit of a lie until _download is sorted out and we * XXX keep local copies of things */ static void ray_upparams(struct ray_softc *sc, struct ray_comq_entry *com) { RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); ray_ccs_fill(sc, com->c_ccs, RAY_CMD_UPDATE_PARAMS); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update, c_paramid, com->c_pr->r_paramid); SRAM_WRITE_FIELD_1(sc, com->c_ccs, ray_cmd_update, c_nparam, 1); SRAM_WRITE_REGION(sc, RAY_HOST_TO_ECF_BASE, com->c_pr->r_data, com->c_pr->r_len); ray_com_ecf(sc, com); } /* * Complete the parameter update, note that promisc finishes up here too */ static void ray_upparams_done(struct ray_softc *sc, u_int8_t status, size_t ccs) { struct ray_comq_entry *com; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_MAP_CM(sc); RAY_COM_CHECK(sc, ccs); RAY_CCSERR(sc, status, if_oerrors); /* XXX error counter */ com = TAILQ_FIRST(&sc->sc_comq); switch (SRAM_READ_FIELD_1(sc, ccs, ray_cmd_update, c_paramid)) { case RAY_MIB_PROMISC: sc->sc_c.np_promisc = SRAM_READ_1(sc, RAY_HOST_TO_ECF_BASE); RAY_DPRINTF(sc, RAY_DBG_IOCTL, "promisc value %d", sc->sc_c.np_promisc); break; default: com->c_pr->r_failcause = SRAM_READ_FIELD_1(sc, ccs, ray_cmd_update, c_failcause); break; } ray_com_ecf_done(sc); } /* * Command queuing and execution */ /* * Set up a comq entry struct */ static struct ray_comq_entry * ray_com_init(struct ray_comq_entry *com, ray_comqfn_t function, int flags, char *mesg) { com->c_function = function; com->c_flags = flags; com->c_retval = 0; com->c_ccs = NULL; com->c_wakeup = NULL; com->c_pr = NULL; com->c_mesg = mesg; return (com); } /* * Malloc and set up a comq entry struct */ static struct ray_comq_entry * ray_com_malloc(ray_comqfn_t function, int flags, char *mesg) { struct ray_comq_entry *com; MALLOC(com, struct ray_comq_entry *, sizeof(struct ray_comq_entry), M_RAYCOM, M_WAITOK); return (ray_com_init(com, function, flags, mesg)); } /* * Add an array of commands to the runq, get some ccs's for them and * then run, waiting on the last command. * * We add the commands to the queue first to preserve ioctl ordering. * * On recoverable errors, this routine removes the entries from the * runq. A caller can requeue the commands (and still preserve its own * processes ioctl ordering) but doesn't have to. When the card is * detached we get out quickly to prevent panics and don't bother * about the runq. */ static int ray_com_runq_add(struct ray_softc *sc, struct ray_comq_entry *com[], int ncom, char *wmesg) { int i, error; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); error = 0; /* * Add the commands to the runq but don't let it run until * the ccs's are allocated successfully */ com[0]->c_flags |= RAY_COM_FWAIT; for (i = 0; i < ncom; i++) { com[i]->c_wakeup = com[ncom-1]; RAY_DPRINTF(sc, RAY_DBG_COM, "adding %p", com[i]); RAY_DCOM(sc, RAY_DBG_DCOM, com[i], "adding"); TAILQ_INSERT_TAIL(&sc->sc_comq, com[i], c_chain); } com[ncom-1]->c_flags |= RAY_COM_FWOK; /* * Allocate ccs's for each command. */ for (i = 0; i < ncom; i++) { error = ray_ccs_alloc(sc, &com[i]->c_ccs, wmesg); if (error == ENXIO) return (ENXIO); else if (error) goto cleanup; } /* * Allow the queue to run and sleep if needed. * * Iff the FDETACHED flag is set in the com entry we waited on * the driver is in a zombie state! The softc structure has been * freed by the generic bus detach methods - eek. We tread very * carefully! */ com[0]->c_flags &= ~RAY_COM_FWAIT; ray_com_runq(sc); if (TAILQ_FIRST(&sc->sc_comq) != NULL) { RAY_DPRINTF(sc, RAY_DBG_COM, "sleeping"); error = tsleep(com[ncom-1], PCATCH | PRIBIO, wmesg, 0); if (com[ncom-1]->c_flags & RAY_COM_FDETACHED) return (ENXIO); RAY_DPRINTF(sc, RAY_DBG_COM, "awakened, tsleep returned 0x%x", error); } else error = 0; cleanup: /* * Only clean the queue on real errors - we don't care about it * when we detach as the queue entries are freed by the callers. */ if (error && (error != ENXIO)) for (i = 0; i < ncom; i++) if (!(com[i]->c_flags & RAY_COM_FCOMPLETED)) { RAY_DPRINTF(sc, RAY_DBG_COM, "removing %p", com[i]); RAY_DCOM(sc, RAY_DBG_DCOM, com[i], "removing"); TAILQ_REMOVE(&sc->sc_comq, com[i], c_chain); ray_ccs_free(sc, com[i]->c_ccs); com[i]->c_ccs = NULL; } return (error); } /* * Run the command at the head of the queue (if not already running) */ static void ray_com_runq(struct ray_softc *sc) { struct ray_comq_entry *com; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); com = TAILQ_FIRST(&sc->sc_comq); if ((com == NULL) || (com->c_flags & RAY_COM_FRUNNING) || (com->c_flags & RAY_COM_FWAIT) || (com->c_flags & RAY_COM_FDETACHED)) return; com->c_flags |= RAY_COM_FRUNNING; RAY_DPRINTF(sc, RAY_DBG_COM, "running %p", com); RAY_DCOM(sc, RAY_DBG_DCOM, com, "running"); com->c_function(sc, com); } /* * Remove run command, free ccs and wakeup caller. * * Minimal checks are done here as we ensure that the com and command * handler were matched up earlier. Must be called at splnet or higher * so that entries on the command queue are correctly removed. * * Remove the com from the comq, and wakeup the caller if it requested * to be woken. This is used for ensuring a sequence of commands * completes. Finally, re-run the queue. */ static void ray_com_runq_done(struct ray_softc *sc) { struct ray_comq_entry *com; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); com = TAILQ_FIRST(&sc->sc_comq); /* XXX shall we check this as below */ RAY_DPRINTF(sc, RAY_DBG_COM, "removing %p", com); RAY_DCOM(sc, RAY_DBG_DCOM, com, "removing"); TAILQ_REMOVE(&sc->sc_comq, com, c_chain); com->c_flags &= ~RAY_COM_FRUNNING; com->c_flags |= RAY_COM_FCOMPLETED; com->c_retval = 0; ray_ccs_free(sc, com->c_ccs); com->c_ccs = NULL; if (com->c_flags & RAY_COM_FWOK) wakeup(com->c_wakeup); ray_com_runq(sc); /* XXX what about error on completion then? deal with when i fix * XXX the status checking * * XXX all the runq_done calls from IFF_RUNNING checks in runq * XXX routines should return EIO but shouldn't abort the runq */ } /* * Send a command to the ECF. */ static void ray_com_ecf(struct ray_softc *sc, struct ray_comq_entry *com) { int i = 0; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); RAY_MAP_CM(sc); while (!RAY_ECF_READY(sc)) { DELAY(RAY_ECF_SPIN_DELAY); if (++i > RAY_ECF_SPIN_TRIES) RAY_PANIC(sc, "spun too long"); } if (i != 0) RAY_RECERR(sc, "spun %d times", i); RAY_DPRINTF(sc, RAY_DBG_COM, "sending %p", com); RAY_DCOM(sc, RAY_DBG_DCOM, com, "sending"); SRAM_WRITE_1(sc, RAY_SCB_CCSI, RAY_CCS_INDEX(com->c_ccs)); RAY_ECF_START_CMD(sc); if (RAY_COM_NEEDS_TIMO( SRAM_READ_FIELD_1(sc, com->c_ccs, ray_cmd, c_cmd))) { RAY_DPRINTF(sc, RAY_DBG_COM, "adding timeout"); sc->com_timerh = timeout(ray_com_ecf_timo, sc, RAY_COM_TIMEOUT); } } /* * Deal with commands that require a timeout to test completion. * * This routine is coded to only expect one outstanding request for the * timed out requests at a time, but thats all that can be outstanding * per hardware limitations and all that we issue anyway. * * We don't do any fancy testing of the command currently issued as we * know it must be a timeout based one...unless I've got this wrong! */ static void ray_com_ecf_timo(void *xsc) { struct ray_softc *sc = (struct ray_softc *)xsc; struct ray_comq_entry *com; u_int8_t cmd, status; int s; s = splnet(); RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); RAY_MAP_CM(sc); com = TAILQ_FIRST(&sc->sc_comq); cmd = SRAM_READ_FIELD_1(sc, com->c_ccs, ray_cmd, c_cmd); status = SRAM_READ_FIELD_1(sc, com->c_ccs, ray_cmd, c_status); switch (status) { case RAY_CCS_STATUS_COMPLETE: case RAY_CCS_STATUS_FREE: /* Buggy firmware */ ray_intr_ccs(sc, cmd, status, com->c_ccs); break; case RAY_CCS_STATUS_BUSY: sc->com_timerh = timeout(ray_com_ecf_timo, sc, RAY_COM_TIMEOUT); break; default: /* Replicates NetBSD */ if (sc->sc_ccsinuse[RAY_CCS_INDEX(com->c_ccs)] == 1) { /* give a chance for the interrupt to occur */ sc->sc_ccsinuse[RAY_CCS_INDEX(com->c_ccs)] = 2; sc->com_timerh = timeout(ray_com_ecf_timo, sc, RAY_COM_TIMEOUT); } else ray_intr_ccs(sc, cmd, status, com->c_ccs); break; } splx(s); } /* * Called when interrupt handler for the command has done all it * needs to. Will be called at splnet. */ static void ray_com_ecf_done(struct ray_softc *sc) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, ""); untimeout(ray_com_ecf_timo, sc, sc->com_timerh); ray_com_runq_done(sc); } #if RAY_DEBUG & RAY_DBG_COM /* * Process completed ECF commands that probably came from the command queue * * This routine is called after vectoring the completed ECF command * to the appropriate _done routine. It helps check everything is okay. */ static void ray_com_ecf_check(struct ray_softc *sc, size_t ccs, char *mesg) { struct ray_comq_entry *com; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_COM, "%s", mesg); com = TAILQ_FIRST(&sc->sc_comq); if (com == NULL) RAY_PANIC(sc, "no command queue"); if (com->c_ccs != ccs) RAY_PANIC(sc, "ccs's don't match"); } #endif /* RAY_DEBUG & RAY_DBG_COM */ /* * CCS allocators */ /* * Obtain a ccs for a commmand * * Returns 0 and in `ccsp' the bus offset of the free ccs. Will block * awaiting free ccs if needed - if the sleep is interrupted * EINTR/ERESTART is returned, if the card is ejected we return ENXIO. */ static int ray_ccs_alloc(struct ray_softc *sc, size_t *ccsp, char *wmesg) { size_t ccs; u_int i; int error; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CCS, ""); RAY_MAP_CM(sc); for (;;) { for (i = RAY_CCS_CMD_FIRST; i <= RAY_CCS_CMD_LAST; i++) { /* we probe here to make the card go */ (void)SRAM_READ_FIELD_1(sc, RAY_CCS_ADDRESS(i), ray_cmd, c_status); if (!sc->sc_ccsinuse[i]) break; } if (i > RAY_CCS_CMD_LAST) { RAY_DPRINTF(sc, RAY_DBG_CCS, "sleeping"); error = tsleep(ray_ccs_alloc, PCATCH | PRIBIO, wmesg, 0); if ((sc == NULL) || (sc->sc_gone)) return (ENXIO); RAY_DPRINTF(sc, RAY_DBG_CCS, "awakened, tsleep returned 0x%x", error); if (error) return (error); } else break; } RAY_DPRINTF(sc, RAY_DBG_CCS, "allocated 0x%02x", i); sc->sc_ccsinuse[i] = 1; ccs = RAY_CCS_ADDRESS(i); *ccsp = ccs; return (0); } /* * Fill the easy bits in of a pre-allocated CCS */ static void ray_ccs_fill(struct ray_softc *sc, size_t ccs, u_int cmd) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CCS, ""); RAY_MAP_CM(sc); if (ccs == NULL) RAY_PANIC(sc, "ccs not allocated"); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_status, RAY_CCS_STATUS_BUSY); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_cmd, cmd); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd, c_link, RAY_CCS_LINK_NULL); } /* * Free up a ccs allocated via ray_ccs_alloc * * Return the old status. This routine is only used for ccs allocated via * ray_ccs_alloc (not tx, rx or ECF command requests). */ static void ray_ccs_free(struct ray_softc *sc, size_t ccs) { RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CCS, ""); RAY_MAP_CM(sc); #if 1 | (RAY_DEBUG & RAY_DBG_CCS) if (!sc->sc_ccsinuse[RAY_CCS_INDEX(ccs)]) RAY_RECERR(sc, "freeing free ccs 0x%02x", RAY_CCS_INDEX(ccs)); #endif /* RAY_DEBUG & RAY_DBG_CCS */ if (!sc->sc_gone) RAY_CCS_FREE(sc, ccs); sc->sc_ccsinuse[RAY_CCS_INDEX(ccs)] = 0; RAY_DPRINTF(sc, RAY_DBG_CCS, "freed 0x%02x", RAY_CCS_INDEX(ccs)); wakeup(ray_ccs_alloc); } /* * Obtain a ccs and tx buffer to transmit with and fill them in. * * Returns 0 and in `ccsp' the bus offset of the free ccs. Will not block * and if none available and will returns EAGAIN. * * The caller must fill in the length later. * The caller must clear the ccs on errors. */ static int ray_ccs_tx(struct ray_softc *sc, size_t *ccsp, size_t *bufpp) { size_t ccs, bufp; int i; u_int8_t status; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CCS, ""); RAY_MAP_CM(sc); i = RAY_CCS_TX_FIRST; do { status = SRAM_READ_FIELD_1(sc, RAY_CCS_ADDRESS(i), ray_cmd, c_status); if (status == RAY_CCS_STATUS_FREE) break; i++; } while (i <= RAY_CCS_TX_LAST); if (i > RAY_CCS_TX_LAST) { return (EAGAIN); } RAY_DPRINTF(sc, RAY_DBG_CCS, "allocated 0x%02x", i); /* * Reserve and fill the ccs - must do the length later. * * Even though build 4 and build 5 have different fields all these * are common apart from tx_rate. Neither the NetBSD driver or Linux * driver bother to overwrite this for build 4 cards. * * The start of the buffer must be aligned to a 256 byte boundary * (least significant byte of address = 0x00). */ ccs = RAY_CCS_ADDRESS(i); bufp = RAY_TX_BASE + i * RAY_TX_BUF_SIZE; bufp += sc->sc_tibsize; SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_status, RAY_CCS_STATUS_BUSY); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_cmd, RAY_CMD_TX_REQ); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_link, RAY_CCS_LINK_NULL); SRAM_WRITE_FIELD_2(sc, ccs, ray_cmd_tx, c_bufp, bufp); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_tx_rate, sc->sc_c.np_def_txrate); SRAM_WRITE_FIELD_1(sc, ccs, ray_cmd_tx, c_apm_mode, 0); bufp += sizeof(struct ray_tx_phy_header); *ccsp = ccs; *bufpp = bufp; return (0); } /* * Routines to obtain resources for the card */ /* * Allocate the attribute memory on the card * * The attribute memory space is abused by these devices as IO space. As such * the OS card services don't have a chance of knowing that they need to keep * the attribute space mapped. We have to do it manually. */ static int ray_res_alloc_am(struct ray_softc *sc) { int error; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CM, ""); sc->am_rid = RAY_AM_RID; sc->am_res = bus_alloc_resource(sc->dev, SYS_RES_MEMORY, &sc->am_rid, 0UL, ~0UL, 0x1000, RF_ACTIVE); if (!sc->am_res) { RAY_PRINTF(sc, "Cannot allocate attribute memory"); return (ENOMEM); } error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->dev), sc->dev, sc->am_rid, 0, NULL); if (error) { RAY_PRINTF(sc, "CARD_SET_MEMORY_OFFSET returned 0x%0x", error); return (error); } error = CARD_SET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->am_rid, PCCARD_A_MEM_ATTR); if (error) { RAY_PRINTF(sc, "CARD_SET_RES_FLAGS returned 0x%0x", error); return (error); } error = CARD_SET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->am_rid, PCCARD_A_MEM_8BIT); if (error) { RAY_PRINTF(sc, "CARD_SET_RES_FLAGS returned 0x%0x", error); return (error); } sc->am_bsh = rman_get_bushandle(sc->am_res); sc->am_bst = rman_get_bustag(sc->am_res); #if RAY_DEBUG & (RAY_DBG_CM | RAY_DBG_BOOTPARAM) { u_long flags; u_int32_t offset; CARD_GET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->am_rid, &flags); CARD_GET_MEMORY_OFFSET(device_get_parent(sc->dev), sc->dev, sc->am_rid, &offset); RAY_PRINTF(sc, "allocated attribute memory:\n" ". start 0x%0lx count 0x%0lx flags 0x%0lx offset 0x%0x", bus_get_resource_start(sc->dev, SYS_RES_MEMORY, sc->am_rid), bus_get_resource_count(sc->dev, SYS_RES_MEMORY, sc->am_rid), flags, offset); } #endif /* RAY_DEBUG & (RAY_DBG_CM | RAY_DBG_BOOTPARAM) */ return (0); } /* * Allocate the common memory on the card * * As this memory is described in the CIS, the OS card services should * have set the map up okay, but the card uses 8 bit RAM. This is not * described in the CIS. */ static int ray_res_alloc_cm(struct ray_softc *sc) { u_long start, count, end; int error; RAY_DPRINTF(sc, RAY_DBG_SUBR | RAY_DBG_CM, ""); RAY_DPRINTF(sc,RAY_DBG_CM | RAY_DBG_BOOTPARAM, "cm start 0x%0lx count 0x%0lx", bus_get_resource_start(sc->dev, SYS_RES_MEMORY, RAY_CM_RID), bus_get_resource_count(sc->dev, SYS_RES_MEMORY, RAY_CM_RID)); sc->cm_rid = RAY_CM_RID; start = bus_get_resource_start(sc->dev, SYS_RES_MEMORY, sc->cm_rid); count = bus_get_resource_count(sc->dev, SYS_RES_MEMORY, sc->cm_rid); end = start + count - 1; sc->cm_res = bus_alloc_resource(sc->dev, SYS_RES_MEMORY, &sc->cm_rid, start, end, count, RF_ACTIVE); if (!sc->cm_res) { RAY_PRINTF(sc, "Cannot allocate common memory"); return (ENOMEM); } error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->dev), sc->dev, sc->cm_rid, 0, NULL); if (error) { RAY_PRINTF(sc, "CARD_SET_MEMORY_OFFSET returned 0x%0x", error); return (error); } error = CARD_SET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->cm_rid, PCCARD_A_MEM_COM); if (error) { RAY_PRINTF(sc, "CARD_SET_RES_FLAGS returned 0x%0x", error); return (error); } error = CARD_SET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->cm_rid, PCCARD_A_MEM_8BIT); if (error) { RAY_PRINTF(sc, "CARD_SET_RES_FLAGS returned 0x%0x", error); return (error); } sc->cm_bsh = rman_get_bushandle(sc->cm_res); sc->cm_bst = rman_get_bustag(sc->cm_res); #if RAY_DEBUG & (RAY_DBG_CM | RAY_DBG_BOOTPARAM) { u_long flags; u_int32_t offset; CARD_GET_RES_FLAGS(device_get_parent(sc->dev), sc->dev, SYS_RES_MEMORY, sc->cm_rid, &flags); CARD_GET_MEMORY_OFFSET(device_get_parent(sc->dev), sc->dev, sc->cm_rid, &offset); RAY_PRINTF(sc, "allocated common memory:\n" ". start 0x%0lx count 0x%0lx flags 0x%0lx offset 0x%0x", bus_get_resource_start(sc->dev, SYS_RES_MEMORY, sc->cm_rid), bus_get_resource_count(sc->dev, SYS_RES_MEMORY, sc->cm_rid), flags, offset); } #endif /* RAY_DEBUG & (RAY_DBG_CM | RAY_DBG_BOOTPARAM) */ return (0); } /* * Get an irq and attach it to the bus */ static int ray_res_alloc_irq(struct ray_softc *sc) { int error; RAY_DPRINTF(sc, RAY_DBG_SUBR, ""); RAY_DPRINTF(sc,RAY_DBG_CM | RAY_DBG_BOOTPARAM, "irq start 0x%0lx count 0x%0lx", bus_get_resource_start(sc->dev, SYS_RES_IRQ, 0), bus_get_resource_count(sc->dev, SYS_RES_IRQ, 0)); sc->irq_rid = 0; sc->irq_res = bus_alloc_resource(sc->dev, SYS_RES_IRQ, &sc->irq_rid, 0, ~0, 1, RF_ACTIVE); if (!sc->irq_res) { RAY_PRINTF(sc, "Cannot allocate irq"); return (ENOMEM); } if ((error = bus_setup_intr(sc->dev, sc->irq_res, INTR_TYPE_NET, ray_intr, sc, &sc->irq_handle)) != 0) { RAY_PRINTF(sc, "Failed to setup irq"); return (error); } RAY_DPRINTF(sc, RAY_DBG_CM | RAY_DBG_BOOTPARAM, "allocated irq:\n" ". start 0x%0lx count 0x%0lx", bus_get_resource_start(sc->dev, SYS_RES_IRQ, sc->irq_rid), bus_get_resource_count(sc->dev, SYS_RES_IRQ, sc->irq_rid)); return (0); } /* * Release all of the card's resources */ static void ray_res_release(struct ray_softc *sc) { if (sc->irq_res != 0) { bus_teardown_intr(sc->dev, sc->irq_res, sc->irq_handle); bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res); sc->irq_res = 0; } if (sc->am_res != 0) { bus_release_resource(sc->dev, SYS_RES_MEMORY, sc->am_rid, sc->am_res); sc->am_res = 0; } if (sc->cm_res != 0) { bus_release_resource(sc->dev, SYS_RES_MEMORY, sc->cm_rid, sc->cm_res); sc->cm_res = 0; } } /* * mbuf dump */ #if RAY_DEBUG & RAY_DBG_MBUF static void ray_dump_mbuf(struct ray_softc *sc, struct mbuf *m, char *s) { u_int8_t *d, *ed; u_int i; char p[17]; RAY_PRINTF(sc, "%s", s); RAY_PRINTF(sc, "\nm0->data\t0x%p\nm_pkthdr.len\t%d\nm_len\t%d", mtod(m, u_int8_t *), m->m_pkthdr.len, m->m_len); i = 0; bzero(p, 17); for (; m; m = m->m_next) { d = mtod(m, u_int8_t *); ed = d + m->m_len; for (; d < ed; i++, d++) { if ((i % 16) == 0) { printf(" %s\n\t", p); } else if ((i % 8) == 0) printf(" "); printf(" %02x", *d); p[i % 16] = ((*d >= 0x20) && (*d < 0x80)) ? *d : '.'; } } if ((i - 1) % 16) printf(" %s\n", p); } #endif /* RAY_DEBUG & RAY_DBG_MBUF */