fc74a9f93a
struct ifnet or the layer 2 common structure it was embedded in have been replaced with a struct ifnet pointer to be filled by a call to the new function, if_alloc(). The layer 2 common structure is also allocated via if_alloc() based on the interface type. It is hung off the new struct ifnet member, if_l2com. This change removes the size of these structures from the kernel ABI and will allow us to better manage them as interfaces come and go. Other changes of note: - Struct arpcom is no longer referenced in normal interface code. Instead the Ethernet address is accessed via the IFP2ENADDR() macro. To enforce this ac_enaddr has been renamed to _ac_enaddr. - The second argument to ether_ifattach is now always the mac address from driver private storage rather than sometimes being ac_enaddr. Reviewed by: sobomax, sam
2351 lines
58 KiB
C
2351 lines
58 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2004, 2005
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* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Intel(R) PRO/Wireless 2200BG/2225BG/2915ABG driver
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* http://www.intel.com/network/connectivity/products/wireless/prowireless_mobile.htm
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <machine/clock.h>
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#include <sys/rman.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#include <netinet/if_ether.h>
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#include <dev/iwi/if_iwireg.h>
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#include <dev/iwi/if_iwivar.h>
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#ifdef IWI_DEBUG
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#define DPRINTF(x) do { if (iwi_debug > 0) printf x; } while (0)
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#define DPRINTFN(n, x) do { if (iwi_debug >= (n)) printf x; } while (0)
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int iwi_debug = 0;
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SYSCTL_INT(_debug, OID_AUTO, iwi, CTLFLAG_RW, &iwi_debug, 0, "iwi debug level");
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n, x)
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#endif
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MODULE_DEPEND(iwi, pci, 1, 1, 1);
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MODULE_DEPEND(iwi, wlan, 1, 1, 1);
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struct iwi_ident {
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uint16_t vendor;
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uint16_t device;
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const char *name;
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};
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static const struct iwi_ident iwi_ident_table[] = {
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{ 0x8086, 0x4220, "Intel(R) PRO/Wireless 2200BG" },
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{ 0x8086, 0x4221, "Intel(R) PRO/Wireless 2225BG" },
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{ 0x8086, 0x4223, "Intel(R) PRO/Wireless 2915ABG" },
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{ 0x8086, 0x4224, "Intel(R) PRO/Wireless 2915ABG" },
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{ 0, 0, NULL }
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};
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static void iwi_dma_map_addr(void *, bus_dma_segment_t *, int, int);
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static int iwi_alloc_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *,
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int);
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static void iwi_reset_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
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static void iwi_free_cmd_ring(struct iwi_softc *, struct iwi_cmd_ring *);
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static int iwi_alloc_tx_ring(struct iwi_softc *, struct iwi_tx_ring *,
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int);
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static void iwi_reset_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
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static void iwi_free_tx_ring(struct iwi_softc *, struct iwi_tx_ring *);
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static int iwi_alloc_rx_ring(struct iwi_softc *, struct iwi_rx_ring *,
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int);
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static void iwi_reset_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
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static void iwi_free_rx_ring(struct iwi_softc *, struct iwi_rx_ring *);
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static int iwi_key_alloc(struct ieee80211com *,
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const struct ieee80211_key *);
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static int iwi_media_change(struct ifnet *);
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static void iwi_media_status(struct ifnet *, struct ifmediareq *);
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static int iwi_newstate(struct ieee80211com *, enum ieee80211_state, int);
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static uint16_t iwi_read_prom_word(struct iwi_softc *, uint8_t);
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static void iwi_fix_channel(struct ieee80211com *, struct mbuf *);
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static void iwi_frame_intr(struct iwi_softc *, struct iwi_rx_data *, int,
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struct iwi_frame *);
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static void iwi_notification_intr(struct iwi_softc *, struct iwi_notif *);
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static void iwi_rx_intr(struct iwi_softc *);
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static void iwi_tx_intr(struct iwi_softc *);
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static void iwi_intr(void *);
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static int iwi_cmd(struct iwi_softc *, uint8_t, void *, uint8_t, int);
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static int iwi_tx_start(struct ifnet *, struct mbuf *,
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struct ieee80211_node *);
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static void iwi_start(struct ifnet *);
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static void iwi_watchdog(struct ifnet *);
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static int iwi_ioctl(struct ifnet *, u_long, caddr_t);
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static void iwi_stop_master(struct iwi_softc *);
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static int iwi_reset(struct iwi_softc *);
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static int iwi_load_ucode(struct iwi_softc *, void *, int);
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static int iwi_load_firmware(struct iwi_softc *, void *, int);
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static int iwi_cache_firmware(struct iwi_softc *, void *);
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static void iwi_free_firmware(struct iwi_softc *);
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static int iwi_config(struct iwi_softc *);
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static int iwi_set_chan(struct iwi_softc *, struct ieee80211_channel *);
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static int iwi_scan(struct iwi_softc *);
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static int iwi_auth_and_assoc(struct iwi_softc *);
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static void iwi_init(void *);
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static void iwi_stop(void *);
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#ifdef IWI_DEBUG
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static int iwi_sysctl_stats(SYSCTL_HANDLER_ARGS);
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#endif
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static int iwi_sysctl_radio(SYSCTL_HANDLER_ARGS);
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static int iwi_probe(device_t);
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static int iwi_attach(device_t);
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static int iwi_detach(device_t);
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static int iwi_shutdown(device_t);
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static int iwi_suspend(device_t);
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static int iwi_resume(device_t);
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static device_method_t iwi_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, iwi_probe),
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DEVMETHOD(device_attach, iwi_attach),
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DEVMETHOD(device_detach, iwi_detach),
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DEVMETHOD(device_shutdown, iwi_shutdown),
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DEVMETHOD(device_suspend, iwi_suspend),
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DEVMETHOD(device_resume, iwi_resume),
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{ 0, 0 }
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};
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static driver_t iwi_driver = {
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"iwi",
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iwi_methods,
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sizeof (struct iwi_softc)
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};
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static devclass_t iwi_devclass;
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DRIVER_MODULE(iwi, pci, iwi_driver, iwi_devclass, 0, 0);
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/*
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* Supported rates for 802.11a/b/g modes (in 500Kbps unit).
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*/
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static const struct ieee80211_rateset iwi_rateset_11a =
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{ 8, { 12, 18, 24, 36, 48, 72, 96, 108 } };
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static const struct ieee80211_rateset iwi_rateset_11b =
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{ 4, { 2, 4, 11, 22 } };
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static const struct ieee80211_rateset iwi_rateset_11g =
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{ 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } };
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static __inline uint8_t
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MEM_READ_1(struct iwi_softc *sc, uint32_t addr)
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{
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CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
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return CSR_READ_1(sc, IWI_CSR_INDIRECT_DATA);
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}
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static __inline uint32_t
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MEM_READ_4(struct iwi_softc *sc, uint32_t addr)
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{
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CSR_WRITE_4(sc, IWI_CSR_INDIRECT_ADDR, addr);
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return CSR_READ_4(sc, IWI_CSR_INDIRECT_DATA);
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}
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static int
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iwi_probe(device_t dev)
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{
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const struct iwi_ident *ident;
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for (ident = iwi_ident_table; ident->name != NULL; ident++) {
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if (pci_get_vendor(dev) == ident->vendor &&
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pci_get_device(dev) == ident->device) {
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device_set_desc(dev, ident->name);
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return 0;
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}
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}
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return ENXIO;
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}
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/* Base Address Register */
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#define IWI_PCI_BAR0 0x10
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static int
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iwi_attach(device_t dev)
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{
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struct iwi_softc *sc = device_get_softc(dev);
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struct ifnet *ifp;
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struct ieee80211com *ic = &sc->sc_ic;
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uint16_t val;
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int error, i;
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sc->sc_dev = dev;
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mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK,
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MTX_DEF | MTX_RECURSE);
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if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
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device_printf(dev, "chip is in D%d power mode "
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"-- setting to D0\n", pci_get_powerstate(dev));
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pci_set_powerstate(dev, PCI_POWERSTATE_D0);
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}
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pci_write_config(dev, 0x41, 0, 1);
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/* enable bus-mastering */
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pci_enable_busmaster(dev);
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sc->mem_rid = IWI_PCI_BAR0;
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sc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid,
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RF_ACTIVE);
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if (sc->mem == NULL) {
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device_printf(dev, "could not allocate memory resource\n");
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goto fail;
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}
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sc->sc_st = rman_get_bustag(sc->mem);
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sc->sc_sh = rman_get_bushandle(sc->mem);
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sc->irq_rid = 0;
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sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
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RF_ACTIVE | RF_SHAREABLE);
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if (sc->irq == NULL) {
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device_printf(dev, "could not allocate interrupt resource\n");
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goto fail;
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}
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if (iwi_reset(sc) != 0) {
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device_printf(dev, "could not reset adapter\n");
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goto fail;
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}
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|
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/*
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* Allocate rings.
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*/
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if (iwi_alloc_cmd_ring(sc, &sc->cmdq, IWI_CMD_RING_COUNT) != 0) {
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device_printf(dev, "could not allocate Cmd ring\n");
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goto fail;
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}
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if (iwi_alloc_tx_ring(sc, &sc->txq, IWI_TX_RING_COUNT) != 0) {
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device_printf(dev, "could not allocate Tx ring\n");
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goto fail;
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}
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if (iwi_alloc_rx_ring(sc, &sc->rxq, IWI_RX_RING_COUNT) != 0) {
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device_printf(dev, "could not allocate Rx ring\n");
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goto fail;
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}
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ifp = sc->sc_ifp = if_alloc(IFT_ETHER);
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if (ifp == NULL) {
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device_printf(dev, "can not if_alloc()\n");
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goto fail;
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return (ENOSPC);
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}
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ifp->if_softc = sc;
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if_initname(ifp, device_get_name(dev), device_get_unit(dev));
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_init = iwi_init;
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ifp->if_ioctl = iwi_ioctl;
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ifp->if_start = iwi_start;
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ifp->if_watchdog = iwi_watchdog;
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IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
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ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
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IFQ_SET_READY(&ifp->if_snd);
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ic->ic_ifp = ifp;
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ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
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ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
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ic->ic_state = IEEE80211_S_INIT;
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|
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/* set device capabilities */
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ic->ic_caps = IEEE80211_C_WPA | IEEE80211_C_PMGT | IEEE80211_C_TXPMGT |
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IEEE80211_C_SHPREAMBLE | IEEE80211_C_MONITOR;
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|
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/* read MAC address from EEPROM */
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val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 0);
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ic->ic_myaddr[0] = val >> 8;
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ic->ic_myaddr[1] = val & 0xff;
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val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 1);
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ic->ic_myaddr[2] = val >> 8;
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ic->ic_myaddr[3] = val & 0xff;
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val = iwi_read_prom_word(sc, IWI_EEPROM_MAC + 2);
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ic->ic_myaddr[4] = val >> 8;
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ic->ic_myaddr[5] = val & 0xff;
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|
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#if 0
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if (pci_get_device(dev) >= 0x4223) {
|
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/* set supported .11a rates (2915ABG only) */
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ic->ic_sup_rates[IEEE80211_MODE_11A] = iwi_rateset_11a;
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|
|
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/* set supported .11a channels */
|
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for (i = 36; i <= 64; i += 4) {
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ic->ic_channels[i].ic_freq =
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ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
|
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ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
|
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}
|
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for (i = 149; i <= 165; i += 4) {
|
|
ic->ic_channels[i].ic_freq =
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ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ);
|
|
ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A;
|
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}
|
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}
|
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#endif
|
|
|
|
/* set supported .11b and .11g rates */
|
|
ic->ic_sup_rates[IEEE80211_MODE_11B] = iwi_rateset_11b;
|
|
ic->ic_sup_rates[IEEE80211_MODE_11G] = iwi_rateset_11g;
|
|
|
|
/* set supported .11b and .11g channels (1 through 14) */
|
|
for (i = 1; i <= 14; i++) {
|
|
ic->ic_channels[i].ic_freq =
|
|
ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ);
|
|
ic->ic_channels[i].ic_flags =
|
|
IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
|
|
IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
|
|
}
|
|
|
|
ieee80211_ifattach(ic);
|
|
/* override state transition machine */
|
|
sc->sc_newstate = ic->ic_newstate;
|
|
ic->ic_newstate = iwi_newstate;
|
|
ic->ic_crypto.cs_key_alloc = iwi_key_alloc;
|
|
ieee80211_media_init(ic, iwi_media_change, iwi_media_status);
|
|
|
|
bpfattach2(ifp, DLT_IEEE802_11_RADIO,
|
|
sizeof (struct ieee80211_frame) + 64, &sc->sc_drvbpf);
|
|
|
|
sc->sc_rxtap_len = sizeof sc->sc_rxtapu;
|
|
sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len);
|
|
sc->sc_rxtap.wr_ihdr.it_present = htole32(IWI_RX_RADIOTAP_PRESENT);
|
|
|
|
sc->sc_txtap_len = sizeof sc->sc_txtapu;
|
|
sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len);
|
|
sc->sc_txtap.wt_ihdr.it_present = htole32(IWI_TX_RADIOTAP_PRESENT);
|
|
|
|
/*
|
|
* Add a few sysctl knobs.
|
|
*/
|
|
sc->dwelltime = 100;
|
|
sc->bluetooth = 1;
|
|
sc->antenna = 0;
|
|
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "radio",
|
|
CTLTYPE_INT | CTLFLAG_RD, sc, 0, iwi_sysctl_radio, "I",
|
|
"radio transmitter switch state (0=off, 1=on)");
|
|
|
|
#ifdef IWI_DEBUG
|
|
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "stats",
|
|
CTLTYPE_OPAQUE | CTLFLAG_RD, sc, 0, iwi_sysctl_stats, "S",
|
|
"statistics");
|
|
#endif
|
|
|
|
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "dwell",
|
|
CTLFLAG_RW, &sc->dwelltime, 0,
|
|
"channel dwell time (ms) for AP/station scanning");
|
|
|
|
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "bluetooth",
|
|
CTLFLAG_RW, &sc->bluetooth, 0, "bluetooth coexistence");
|
|
|
|
SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
|
|
SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "antenna",
|
|
CTLFLAG_RW, &sc->antenna, 0, "antenna (0=auto)");
|
|
|
|
/*
|
|
* Hook our interrupt after all initialization is complete.
|
|
*/
|
|
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
|
|
iwi_intr, sc, &sc->sc_ih);
|
|
if (error != 0) {
|
|
device_printf(dev, "could not set up interrupt\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (bootverbose)
|
|
ieee80211_announce(ic);
|
|
|
|
return 0;
|
|
|
|
fail: iwi_detach(dev);
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
iwi_detach(device_t dev)
|
|
{
|
|
struct iwi_softc *sc = device_get_softc(dev);
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
|
|
iwi_stop(sc);
|
|
|
|
iwi_free_firmware(sc);
|
|
|
|
if (ifp != NULL)
|
|
bpfdetach(ifp);
|
|
ieee80211_ifdetach(ic);
|
|
if (ifp != NULL)
|
|
if_free(ifp);
|
|
|
|
iwi_free_cmd_ring(sc, &sc->cmdq);
|
|
iwi_free_tx_ring(sc, &sc->txq);
|
|
iwi_free_rx_ring(sc, &sc->rxq);
|
|
|
|
if (sc->irq != NULL) {
|
|
bus_teardown_intr(dev, sc->irq, sc->sc_ih);
|
|
bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq);
|
|
}
|
|
|
|
if (sc->mem != NULL)
|
|
bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, sc->mem);
|
|
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
iwi_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
|
|
{
|
|
if (error != 0)
|
|
return;
|
|
|
|
KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
|
|
|
|
*(bus_addr_t *)arg = segs[0].ds_addr;
|
|
}
|
|
|
|
static int
|
|
iwi_alloc_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring, int count)
|
|
{
|
|
int error;
|
|
|
|
ring->count = count;
|
|
ring->queued = 0;
|
|
ring->cur = ring->next = 0;
|
|
|
|
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, count * IWI_CMD_DESC_SIZE, 1,
|
|
count * IWI_CMD_DESC_SIZE, 0, NULL, NULL, &ring->desc_dmat);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create desc DMA tag\n");
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
|
|
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not allocate DMA memory\n");
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
|
|
count * IWI_CMD_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not load desc DMA map\n");
|
|
goto fail;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail: iwi_free_cmd_ring(sc, ring);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
iwi_reset_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
|
|
{
|
|
ring->queued = 0;
|
|
ring->cur = ring->next = 0;
|
|
}
|
|
|
|
static void
|
|
iwi_free_cmd_ring(struct iwi_softc *sc, struct iwi_cmd_ring *ring)
|
|
{
|
|
if (ring->desc != NULL) {
|
|
bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
|
|
bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
|
|
}
|
|
|
|
if (ring->desc_dmat != NULL)
|
|
bus_dma_tag_destroy(ring->desc_dmat);
|
|
}
|
|
|
|
static int
|
|
iwi_alloc_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring, int count)
|
|
{
|
|
int i, error;
|
|
|
|
ring->count = count;
|
|
ring->queued = 0;
|
|
ring->cur = ring->next = 0;
|
|
|
|
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, count * IWI_TX_DESC_SIZE, 1,
|
|
count * IWI_TX_DESC_SIZE, 0, NULL, NULL, &ring->desc_dmat);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create desc DMA tag\n");
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dmamem_alloc(ring->desc_dmat, (void **)&ring->desc,
|
|
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ring->desc_map);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not allocate DMA memory\n");
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dmamap_load(ring->desc_dmat, ring->desc_map, ring->desc,
|
|
count * IWI_TX_DESC_SIZE, iwi_dma_map_addr, &ring->physaddr, 0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not load desc DMA map\n");
|
|
goto fail;
|
|
}
|
|
|
|
ring->data = malloc(count * sizeof (struct iwi_tx_data), M_DEVBUF,
|
|
M_NOWAIT | M_ZERO);
|
|
if (ring->data == NULL) {
|
|
device_printf(sc->sc_dev, "could not allocate soft data\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL,
|
|
NULL, &ring->data_dmat);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create data DMA tag\n");
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
error = bus_dmamap_create(ring->data_dmat, 0,
|
|
&ring->data[i].map);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create DMA map\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail: iwi_free_tx_ring(sc, ring);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
iwi_reset_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
|
|
{
|
|
struct iwi_tx_data *data;
|
|
int i;
|
|
|
|
for (i = 0; i < ring->count; i++) {
|
|
data = &ring->data[i];
|
|
|
|
if (data->m != NULL) {
|
|
bus_dmamap_sync(ring->data_dmat, data->map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(ring->data_dmat, data->map);
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
}
|
|
|
|
if (data->ni != NULL) {
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
}
|
|
}
|
|
|
|
ring->queued = 0;
|
|
ring->cur = ring->next = 0;
|
|
}
|
|
|
|
static void
|
|
iwi_free_tx_ring(struct iwi_softc *sc, struct iwi_tx_ring *ring)
|
|
{
|
|
struct iwi_tx_data *data;
|
|
int i;
|
|
|
|
if (ring->desc != NULL) {
|
|
bus_dmamap_sync(ring->desc_dmat, ring->desc_map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(ring->desc_dmat, ring->desc_map);
|
|
bus_dmamem_free(ring->desc_dmat, ring->desc, ring->desc_map);
|
|
}
|
|
|
|
if (ring->desc_dmat != NULL)
|
|
bus_dma_tag_destroy(ring->desc_dmat);
|
|
|
|
if (ring->data != NULL) {
|
|
for (i = 0; i < ring->count; i++) {
|
|
data = &ring->data[i];
|
|
|
|
if (data->m != NULL) {
|
|
bus_dmamap_sync(ring->data_dmat, data->map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(ring->data_dmat, data->map);
|
|
m_freem(data->m);
|
|
}
|
|
|
|
if (data->ni != NULL)
|
|
ieee80211_free_node(data->ni);
|
|
|
|
if (data->map != NULL)
|
|
bus_dmamap_destroy(ring->data_dmat, data->map);
|
|
}
|
|
|
|
free(ring->data, M_DEVBUF);
|
|
}
|
|
|
|
if (ring->data_dmat != NULL)
|
|
bus_dma_tag_destroy(ring->data_dmat);
|
|
}
|
|
|
|
static int
|
|
iwi_alloc_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring, int count)
|
|
{
|
|
struct iwi_rx_data *data;
|
|
int i, error;
|
|
|
|
ring->count = count;
|
|
ring->cur = 0;
|
|
|
|
ring->data = malloc(count * sizeof (struct iwi_rx_data), M_DEVBUF,
|
|
M_NOWAIT | M_ZERO);
|
|
if (ring->data == NULL) {
|
|
device_printf(sc->sc_dev, "could not allocate soft data\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR_32BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES, 1, MCLBYTES, 0, NULL,
|
|
NULL, &ring->data_dmat);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create data DMA tag\n");
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
data = &ring->data[i];
|
|
|
|
error = bus_dmamap_create(ring->data_dmat, 0, &data->map);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not create DMA map\n");
|
|
goto fail;
|
|
}
|
|
|
|
data->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
|
|
if (data->m == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"could not allocate rx mbuf\n");
|
|
error = ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
error = bus_dmamap_load(ring->data_dmat, data->map,
|
|
mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr,
|
|
&data->physaddr, 0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not load rx buf DMA map");
|
|
goto fail;
|
|
}
|
|
|
|
data->reg = IWI_CSR_RX_BASE + i * 4;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail: iwi_free_rx_ring(sc, ring);
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
iwi_reset_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
|
|
{
|
|
ring->cur = 0;
|
|
}
|
|
|
|
static void
|
|
iwi_free_rx_ring(struct iwi_softc *sc, struct iwi_rx_ring *ring)
|
|
{
|
|
struct iwi_rx_data *data;
|
|
int i;
|
|
|
|
if (ring->data != NULL) {
|
|
for (i = 0; i < ring->count; i++) {
|
|
data = &ring->data[i];
|
|
|
|
if (data->m != NULL) {
|
|
bus_dmamap_sync(ring->data_dmat, data->map,
|
|
BUS_DMASYNC_POSTREAD);
|
|
bus_dmamap_unload(ring->data_dmat, data->map);
|
|
m_freem(data->m);
|
|
}
|
|
|
|
if (data->map != NULL)
|
|
bus_dmamap_destroy(ring->data_dmat, data->map);
|
|
}
|
|
|
|
free(ring->data, M_DEVBUF);
|
|
}
|
|
|
|
if (ring->data_dmat != NULL)
|
|
bus_dma_tag_destroy(ring->data_dmat);
|
|
}
|
|
|
|
static int
|
|
iwi_shutdown(device_t dev)
|
|
{
|
|
struct iwi_softc *sc = device_get_softc(dev);
|
|
|
|
iwi_stop(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwi_suspend(device_t dev)
|
|
{
|
|
struct iwi_softc *sc = device_get_softc(dev);
|
|
|
|
iwi_stop(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwi_resume(device_t dev)
|
|
{
|
|
struct iwi_softc *sc = device_get_softc(dev);
|
|
struct ifnet *ifp = sc->sc_ic.ic_ifp;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
pci_write_config(dev, 0x41, 0, 1);
|
|
|
|
if (ifp->if_flags & IFF_UP) {
|
|
ifp->if_init(ifp->if_softc);
|
|
if (ifp->if_flags & IFF_RUNNING)
|
|
ifp->if_start(ifp);
|
|
}
|
|
|
|
IWI_UNLOCK(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwi_key_alloc(struct ieee80211com *ic, const struct ieee80211_key *k)
|
|
{
|
|
if (k >= ic->ic_nw_keys && k < &ic->ic_nw_keys[IEEE80211_WEP_NKID])
|
|
return k - ic->ic_nw_keys;
|
|
|
|
return IEEE80211_KEYIX_NONE;
|
|
}
|
|
|
|
static int
|
|
iwi_media_change(struct ifnet *ifp)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
int error;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
error = ieee80211_media_change(ifp);
|
|
if (error != ENETRESET) {
|
|
IWI_UNLOCK(sc);
|
|
return error;
|
|
}
|
|
|
|
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
|
|
iwi_init(sc);
|
|
|
|
IWI_UNLOCK(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The firmware automaticly adapt the transmit speed. We report the current
|
|
* transmit speed here.
|
|
*/
|
|
static void
|
|
iwi_media_status(struct ifnet *ifp, struct ifmediareq *imr)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
#define N(a) (sizeof (a) / sizeof (a[0]))
|
|
static const struct {
|
|
uint32_t val;
|
|
int rate;
|
|
} rates[] = {
|
|
{ IWI_RATE_DS1, 2 },
|
|
{ IWI_RATE_DS2, 4 },
|
|
{ IWI_RATE_DS5, 11 },
|
|
{ IWI_RATE_DS11, 22 },
|
|
{ IWI_RATE_OFDM6, 12 },
|
|
{ IWI_RATE_OFDM9, 18 },
|
|
{ IWI_RATE_OFDM12, 24 },
|
|
{ IWI_RATE_OFDM18, 36 },
|
|
{ IWI_RATE_OFDM24, 48 },
|
|
{ IWI_RATE_OFDM36, 72 },
|
|
{ IWI_RATE_OFDM48, 96 },
|
|
{ IWI_RATE_OFDM54, 108 },
|
|
};
|
|
uint32_t val;
|
|
int rate, i;
|
|
|
|
imr->ifm_status = IFM_AVALID;
|
|
imr->ifm_active = IFM_IEEE80211;
|
|
if (ic->ic_state == IEEE80211_S_RUN)
|
|
imr->ifm_status |= IFM_ACTIVE;
|
|
|
|
/* read current transmission rate from adapter */
|
|
val = CSR_READ_4(sc, IWI_CSR_CURRENT_TX_RATE);
|
|
|
|
/* convert rate to 802.11 rate */
|
|
for (i = 0; i < N(rates) && rates[i].val != val; i++);
|
|
rate = (i < N(rates)) ? rates[i].rate : 0;
|
|
|
|
imr->ifm_active |= ieee80211_rate2media(ic, rate, ic->ic_curmode);
|
|
switch (ic->ic_opmode) {
|
|
case IEEE80211_M_STA:
|
|
break;
|
|
|
|
case IEEE80211_M_IBSS:
|
|
imr->ifm_active |= IFM_IEEE80211_ADHOC;
|
|
break;
|
|
|
|
case IEEE80211_M_MONITOR:
|
|
imr->ifm_active |= IFM_IEEE80211_MONITOR;
|
|
break;
|
|
|
|
case IEEE80211_M_AHDEMO:
|
|
case IEEE80211_M_HOSTAP:
|
|
/* should not get there */
|
|
break;
|
|
}
|
|
#undef N
|
|
}
|
|
|
|
static int
|
|
iwi_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg)
|
|
{
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
|
|
switch (nstate) {
|
|
case IEEE80211_S_SCAN:
|
|
if (sc->flags & IWI_FLAG_SCANNING)
|
|
break;
|
|
|
|
ieee80211_node_table_reset(&ic->ic_scan);
|
|
ic->ic_flags |= IEEE80211_F_SCAN | IEEE80211_F_ASCAN;
|
|
sc->flags |= IWI_FLAG_SCANNING;
|
|
iwi_scan(sc);
|
|
break;
|
|
|
|
case IEEE80211_S_AUTH:
|
|
iwi_auth_and_assoc(sc);
|
|
break;
|
|
|
|
case IEEE80211_S_RUN:
|
|
if (ic->ic_opmode == IEEE80211_M_IBSS)
|
|
ieee80211_new_state(ic, IEEE80211_S_AUTH, -1);
|
|
else if (ic->ic_opmode == IEEE80211_M_MONITOR)
|
|
iwi_set_chan(sc, ic->ic_ibss_chan);
|
|
|
|
return sc->sc_newstate(ic, nstate,
|
|
IEEE80211_FC0_SUBTYPE_ASSOC_RESP);
|
|
|
|
case IEEE80211_S_ASSOC:
|
|
break;
|
|
|
|
case IEEE80211_S_INIT:
|
|
sc->flags &= ~IWI_FLAG_SCANNING;
|
|
break;
|
|
}
|
|
|
|
ic->ic_state = nstate;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Read 16 bits at address 'addr' from the serial EEPROM.
|
|
*/
|
|
static uint16_t
|
|
iwi_read_prom_word(struct iwi_softc *sc, uint8_t addr)
|
|
{
|
|
uint32_t tmp;
|
|
uint16_t val;
|
|
int n;
|
|
|
|
/* clock C once before the first command */
|
|
IWI_EEPROM_CTL(sc, 0);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
|
|
/* write start bit (1) */
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
|
|
|
|
/* write READ opcode (10) */
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_D | IWI_EEPROM_C);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
|
|
|
|
/* write address A7-A0 */
|
|
for (n = 7; n >= 0; n--) {
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
|
|
(((addr >> n) & 1) << IWI_EEPROM_SHIFT_D));
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S |
|
|
(((addr >> n) & 1) << IWI_EEPROM_SHIFT_D) | IWI_EEPROM_C);
|
|
}
|
|
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
|
|
/* read data Q15-Q0 */
|
|
val = 0;
|
|
for (n = 15; n >= 0; n--) {
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S | IWI_EEPROM_C);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
tmp = MEM_READ_4(sc, IWI_MEM_EEPROM_CTL);
|
|
val |= ((tmp & IWI_EEPROM_Q) >> IWI_EEPROM_SHIFT_Q) << n;
|
|
}
|
|
|
|
IWI_EEPROM_CTL(sc, 0);
|
|
|
|
/* clear Chip Select and clock C */
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_S);
|
|
IWI_EEPROM_CTL(sc, 0);
|
|
IWI_EEPROM_CTL(sc, IWI_EEPROM_C);
|
|
|
|
return be16toh(val);
|
|
}
|
|
|
|
/*
|
|
* XXX: Hack to set the current channel to the value advertised in beacons or
|
|
* probe responses. Only used during AP detection.
|
|
*/
|
|
static void
|
|
iwi_fix_channel(struct ieee80211com *ic, struct mbuf *m)
|
|
{
|
|
struct ieee80211_frame *wh;
|
|
uint8_t subtype;
|
|
uint8_t *frm, *efrm;
|
|
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
|
|
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
|
|
return;
|
|
|
|
subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK;
|
|
|
|
if (subtype != IEEE80211_FC0_SUBTYPE_BEACON &&
|
|
subtype != IEEE80211_FC0_SUBTYPE_PROBE_RESP)
|
|
return;
|
|
|
|
frm = (uint8_t *)(wh + 1);
|
|
efrm = mtod(m, uint8_t *) + m->m_len;
|
|
|
|
frm += 12; /* skip tstamp, bintval and capinfo fields */
|
|
while (frm < efrm) {
|
|
if (*frm == IEEE80211_ELEMID_DSPARMS)
|
|
#if IEEE80211_CHAN_MAX < 255
|
|
if (frm[2] <= IEEE80211_CHAN_MAX)
|
|
#endif
|
|
ic->ic_bss->ni_chan = &ic->ic_channels[frm[2]];
|
|
|
|
frm += frm[1] + 2;
|
|
}
|
|
}
|
|
|
|
static void
|
|
iwi_frame_intr(struct iwi_softc *sc, struct iwi_rx_data *data, int i,
|
|
struct iwi_frame *frame)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct mbuf *m;
|
|
struct ieee80211_frame *wh;
|
|
struct ieee80211_node *ni;
|
|
int error;
|
|
|
|
DPRINTFN(5, ("received frame len=%u chan=%u rssi=%u\n",
|
|
le16toh(frame->len), frame->chan, frame->rssi_dbm));
|
|
|
|
if (le16toh(frame->len) < sizeof (struct ieee80211_frame))
|
|
return;
|
|
|
|
bus_dmamap_unload(sc->rxq.data_dmat, data->map);
|
|
|
|
/* finalize mbuf */
|
|
m = data->m;
|
|
m->m_pkthdr.rcvif = ifp;
|
|
m->m_pkthdr.len = m->m_len = sizeof (struct iwi_hdr) +
|
|
sizeof (struct iwi_frame) + le16toh(frame->len);
|
|
|
|
m_adj(m, sizeof (struct iwi_hdr) + sizeof (struct iwi_frame));
|
|
|
|
if (ic->ic_state == IEEE80211_S_SCAN)
|
|
iwi_fix_channel(ic, m);
|
|
|
|
if (sc->sc_drvbpf != NULL) {
|
|
struct iwi_rx_radiotap_header *tap = &sc->sc_rxtap;
|
|
|
|
tap->wr_flags = 0;
|
|
tap->wr_rate = frame->rate;
|
|
tap->wr_chan_freq =
|
|
htole16(ic->ic_channels[frame->chan].ic_freq);
|
|
tap->wr_chan_flags =
|
|
htole16(ic->ic_channels[frame->chan].ic_flags);
|
|
tap->wr_antsignal = frame->signal;
|
|
tap->wr_antenna = frame->antenna;
|
|
|
|
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m);
|
|
}
|
|
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh);
|
|
|
|
/* send the frame to the 802.11 layer */
|
|
ieee80211_input(ic, m, ni, frame->rssi_dbm, 0);
|
|
|
|
/* node is no longer needed */
|
|
ieee80211_free_node(ni);
|
|
|
|
data->m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
|
|
if (data->m == NULL) {
|
|
device_printf(sc->sc_dev, "could not allocate rx mbuf\n");
|
|
return;
|
|
}
|
|
|
|
error = bus_dmamap_load(sc->rxq.data_dmat, data->map,
|
|
mtod(data->m, void *), MCLBYTES, iwi_dma_map_addr, &data->physaddr,
|
|
0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not load rx buf DMA map\n");
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
return;
|
|
}
|
|
|
|
CSR_WRITE_4(sc, data->reg, data->physaddr);
|
|
}
|
|
|
|
static void
|
|
iwi_notification_intr(struct iwi_softc *sc, struct iwi_notif *notif)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct iwi_notif_scan_channel *chan;
|
|
struct iwi_notif_scan_complete *scan;
|
|
struct iwi_notif_authentication *auth;
|
|
struct iwi_notif_association *assoc;
|
|
|
|
switch (notif->type) {
|
|
case IWI_NOTIF_TYPE_SCAN_CHANNEL:
|
|
chan = (struct iwi_notif_scan_channel *)(notif + 1);
|
|
|
|
DPRINTFN(2, ("Scanning channel (%u)\n", chan->nchan));
|
|
break;
|
|
|
|
case IWI_NOTIF_TYPE_SCAN_COMPLETE:
|
|
scan = (struct iwi_notif_scan_complete *)(notif + 1);
|
|
|
|
DPRINTFN(2, ("Scan completed (%u, %u)\n", scan->nchan,
|
|
scan->status));
|
|
|
|
/* monitor mode uses scan to set the channel ... */
|
|
if (ic->ic_opmode != IEEE80211_M_MONITOR) {
|
|
sc->flags &= ~IWI_FLAG_SCANNING;
|
|
ieee80211_end_scan(ic);
|
|
} else
|
|
iwi_set_chan(sc, ic->ic_ibss_chan);
|
|
break;
|
|
|
|
case IWI_NOTIF_TYPE_AUTHENTICATION:
|
|
auth = (struct iwi_notif_authentication *)(notif + 1);
|
|
|
|
DPRINTFN(2, ("Authentication (%u)\n", auth->state));
|
|
|
|
switch (auth->state) {
|
|
case IWI_AUTHENTICATED:
|
|
ieee80211_node_authorize(ic, ic->ic_bss);
|
|
ieee80211_new_state(ic, IEEE80211_S_ASSOC, -1);
|
|
break;
|
|
|
|
case IWI_DEAUTHENTICATED:
|
|
break;
|
|
|
|
default:
|
|
device_printf(sc->sc_dev,
|
|
"unknown authentication state %u\n", auth->state);
|
|
}
|
|
break;
|
|
|
|
case IWI_NOTIF_TYPE_ASSOCIATION:
|
|
assoc = (struct iwi_notif_association *)(notif + 1);
|
|
|
|
DPRINTFN(2, ("Association (%u, %u)\n", assoc->state,
|
|
assoc->status));
|
|
|
|
switch (assoc->state) {
|
|
case IWI_AUTHENTICATED:
|
|
/* re-association, do nothing */
|
|
break;
|
|
|
|
case IWI_ASSOCIATED:
|
|
ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
|
|
break;
|
|
|
|
case IWI_DEASSOCIATED:
|
|
ieee80211_begin_scan(ic, 1);
|
|
break;
|
|
|
|
default:
|
|
device_printf(sc->sc_dev,
|
|
"unknown association state %u\n", assoc->state);
|
|
}
|
|
break;
|
|
|
|
case IWI_NOTIF_TYPE_CALIBRATION:
|
|
case IWI_NOTIF_TYPE_BEACON:
|
|
case IWI_NOTIF_TYPE_NOISE:
|
|
DPRINTFN(5, ("Notification (%u)\n", notif->type));
|
|
break;
|
|
|
|
default:
|
|
device_printf(sc->sc_dev, "unknown notification type %u\n",
|
|
notif->type);
|
|
}
|
|
}
|
|
|
|
static void
|
|
iwi_rx_intr(struct iwi_softc *sc)
|
|
{
|
|
struct iwi_rx_data *data;
|
|
struct iwi_hdr *hdr;
|
|
uint32_t hw;
|
|
|
|
hw = CSR_READ_4(sc, IWI_CSR_RX_RIDX);
|
|
|
|
for (; sc->rxq.cur != hw;) {
|
|
data = &sc->rxq.data[sc->rxq.cur];
|
|
|
|
bus_dmamap_sync(sc->rxq.data_dmat, data->map,
|
|
BUS_DMASYNC_POSTREAD);
|
|
|
|
hdr = mtod(data->m, struct iwi_hdr *);
|
|
|
|
switch (hdr->type) {
|
|
case IWI_HDR_TYPE_FRAME:
|
|
iwi_frame_intr(sc, data, sc->rxq.cur,
|
|
(struct iwi_frame *)(hdr + 1));
|
|
break;
|
|
|
|
case IWI_HDR_TYPE_NOTIF:
|
|
iwi_notification_intr(sc,
|
|
(struct iwi_notif *)(hdr + 1));
|
|
break;
|
|
|
|
default:
|
|
device_printf(sc->sc_dev, "unknown hdr type %u\n",
|
|
hdr->type);
|
|
}
|
|
|
|
DPRINTFN(15, ("rx done idx=%u\n", sc->rxq.cur));
|
|
|
|
sc->rxq.cur = (sc->rxq.cur + 1) % IWI_RX_RING_COUNT;
|
|
}
|
|
|
|
/* tell the firmware what we have processed */
|
|
hw = (hw == 0) ? IWI_RX_RING_COUNT - 1 : hw - 1;
|
|
CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, hw);
|
|
}
|
|
|
|
static void
|
|
iwi_tx_intr(struct iwi_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct iwi_tx_data *data;
|
|
uint32_t hw;
|
|
|
|
hw = CSR_READ_4(sc, IWI_CSR_TX1_RIDX);
|
|
|
|
for (; sc->txq.next != hw;) {
|
|
data = &sc->txq.data[sc->txq.next];
|
|
|
|
bus_dmamap_sync(sc->txq.data_dmat, data->map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(sc->txq.data_dmat, data->map);
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
|
|
DPRINTFN(15, ("tx done idx=%u\n", sc->txq.next));
|
|
|
|
ifp->if_opackets++;
|
|
|
|
sc->txq.queued--;
|
|
sc->txq.next = (sc->txq.next + 1) % IWI_TX_RING_COUNT;
|
|
}
|
|
|
|
sc->sc_tx_timer = 0;
|
|
ifp->if_flags &= ~IFF_OACTIVE;
|
|
iwi_start(ifp);
|
|
}
|
|
|
|
static void
|
|
iwi_intr(void *arg)
|
|
{
|
|
struct iwi_softc *sc = arg;
|
|
uint32_t r;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
if ((r = CSR_READ_4(sc, IWI_CSR_INTR)) == 0 || r == 0xffffffff) {
|
|
IWI_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
/* disable interrupts */
|
|
CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
|
|
|
|
if (r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)) {
|
|
device_printf(sc->sc_dev, "fatal error\n");
|
|
sc->sc_ic.ic_ifp->if_flags &= ~IFF_UP;
|
|
iwi_stop(sc);
|
|
}
|
|
|
|
if (r & IWI_INTR_FW_INITED) {
|
|
if (!(r & (IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)))
|
|
wakeup(sc);
|
|
}
|
|
|
|
if (r & IWI_INTR_RADIO_OFF) {
|
|
DPRINTF(("radio transmitter turned off\n"));
|
|
sc->sc_ic.ic_ifp->if_flags &= ~IFF_UP;
|
|
iwi_stop(sc);
|
|
}
|
|
|
|
if (r & IWI_INTR_RX_DONE)
|
|
iwi_rx_intr(sc);
|
|
|
|
if (r & IWI_INTR_CMD_DONE)
|
|
wakeup(sc);
|
|
|
|
if (r & IWI_INTR_TX1_DONE)
|
|
iwi_tx_intr(sc);
|
|
|
|
/* acknowledge interrupts */
|
|
CSR_WRITE_4(sc, IWI_CSR_INTR, r);
|
|
|
|
/* re-enable interrupts */
|
|
CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
|
|
|
|
IWI_UNLOCK(sc);
|
|
}
|
|
|
|
static int
|
|
iwi_cmd(struct iwi_softc *sc, uint8_t type, void *data, uint8_t len, int async)
|
|
{
|
|
struct iwi_cmd_desc *desc;
|
|
|
|
desc = &sc->cmdq.desc[sc->cmdq.cur];
|
|
|
|
desc->hdr.type = IWI_HDR_TYPE_COMMAND;
|
|
desc->hdr.flags = IWI_HDR_FLAG_IRQ;
|
|
desc->type = type;
|
|
desc->len = len;
|
|
memcpy(desc->data, data, len);
|
|
|
|
bus_dmamap_sync(sc->cmdq.desc_dmat, sc->cmdq.desc_map,
|
|
BUS_DMASYNC_PREWRITE);
|
|
|
|
DPRINTFN(2, ("sending command idx=%u type=%u len=%u\n", sc->cmdq.cur,
|
|
type, len));
|
|
|
|
sc->cmdq.cur = (sc->cmdq.cur + 1) % IWI_CMD_RING_COUNT;
|
|
CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
|
|
|
|
return async ? 0 : msleep(sc, &sc->sc_mtx, 0, "iwicmd", hz);
|
|
}
|
|
|
|
static int
|
|
iwi_tx_start(struct ifnet *ifp, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ieee80211_frame *wh;
|
|
struct ieee80211_key *k;
|
|
struct iwi_tx_data *data;
|
|
struct iwi_tx_desc *desc;
|
|
struct mbuf *mnew;
|
|
bus_dma_segment_t segs[IWI_MAX_NSEG];
|
|
int nsegs, error, i;
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
|
|
k = ieee80211_crypto_encap(ic, ni, m0);
|
|
if (k == NULL)
|
|
return ENOBUFS;
|
|
|
|
/* packet header may have moved, reset our local pointer */
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
}
|
|
|
|
if (sc->sc_drvbpf != NULL) {
|
|
struct iwi_tx_radiotap_header *tap = &sc->sc_txtap;
|
|
|
|
tap->wt_flags = 0;
|
|
tap->wt_chan_freq = htole16(ic->ic_ibss_chan->ic_freq);
|
|
tap->wt_chan_flags = htole16(ic->ic_ibss_chan->ic_flags);
|
|
|
|
bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0);
|
|
}
|
|
|
|
data = &sc->txq.data[sc->txq.cur];
|
|
desc = &sc->txq.desc[sc->txq.cur];
|
|
|
|
/* trim IEEE802.11 header */
|
|
m_adj(m0, sizeof (struct ieee80211_frame));
|
|
|
|
error = bus_dmamap_load_mbuf_sg(sc->txq.data_dmat, data->map, m0, segs,
|
|
&nsegs, 0);
|
|
if (error != 0 && error != EFBIG) {
|
|
device_printf(sc->sc_dev, "could not map mbuf (error %d)\n",
|
|
error);
|
|
m_freem(m0);
|
|
return error;
|
|
}
|
|
if (error != 0) {
|
|
mnew = m_defrag(m0, M_DONTWAIT);
|
|
if (mnew == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"could not defragment mbuf\n");
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
m0 = mnew;
|
|
|
|
error = bus_dmamap_load_mbuf_sg(sc->txq.data_dmat, data->map,
|
|
m0, segs, &nsegs, 0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not map mbuf (error %d)\n", error);
|
|
m_freem(m0);
|
|
return error;
|
|
}
|
|
}
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
|
|
desc->hdr.type = IWI_HDR_TYPE_DATA;
|
|
desc->hdr.flags = IWI_HDR_FLAG_IRQ;
|
|
desc->cmd = IWI_DATA_CMD_TX;
|
|
desc->len = htole16(m0->m_pkthdr.len);
|
|
memcpy(&desc->wh, wh, sizeof (struct ieee80211_frame));
|
|
desc->flags = 0;
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1))
|
|
desc->flags |= IWI_DATA_FLAG_NEED_ACK;
|
|
|
|
#if 0
|
|
if (ic->ic_flags & IEEE80211_F_PRIVACY) {
|
|
wh->i_fc[1] |= IEEE80211_FC1_WEP;
|
|
desc->wep_txkey = ic->ic_crypto.cs_def_txkey;
|
|
} else
|
|
#endif
|
|
desc->flags |= IWI_DATA_FLAG_NO_WEP;
|
|
|
|
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
|
|
desc->flags |= IWI_DATA_FLAG_SHPREAMBLE;
|
|
|
|
desc->nseg = htole32(nsegs);
|
|
for (i = 0; i < nsegs; i++) {
|
|
desc->seg_addr[i] = htole32(segs[i].ds_addr);
|
|
desc->seg_len[i] = htole32(segs[i].ds_len);
|
|
}
|
|
|
|
bus_dmamap_sync(sc->txq.data_dmat, data->map, BUS_DMASYNC_PREWRITE);
|
|
bus_dmamap_sync(sc->txq.desc_dmat, sc->txq.desc_map,
|
|
BUS_DMASYNC_PREWRITE);
|
|
|
|
DPRINTFN(5, ("sending data frame idx=%u len=%u nseg=%u\n", sc->txq.cur,
|
|
desc->len, desc->nseg));
|
|
|
|
sc->txq.queued++;
|
|
sc->txq.cur = (sc->txq.cur + 1) % IWI_TX_RING_COUNT;
|
|
CSR_WRITE_4(sc, IWI_CSR_TX1_WIDX, sc->txq.cur);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
iwi_start(struct ifnet *ifp)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct mbuf *m0;
|
|
struct ether_header *eh;
|
|
struct ieee80211_node *ni;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
if (ic->ic_state != IEEE80211_S_RUN) {
|
|
IWI_UNLOCK(sc);
|
|
return;
|
|
}
|
|
|
|
for (;;) {
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m0);
|
|
if (m0 == NULL)
|
|
break;
|
|
|
|
if (sc->txq.queued >= IWI_TX_RING_COUNT - 4) {
|
|
IFQ_DRV_PREPEND(&ifp->if_snd, m0);
|
|
ifp->if_flags |= IFF_OACTIVE;
|
|
break;
|
|
}
|
|
|
|
if (m0->m_len < sizeof (struct ether_header) &&
|
|
(m0 = m_pullup(m0, sizeof (struct ether_header))) == NULL)
|
|
continue;
|
|
|
|
eh = mtod(m0, struct ether_header *);
|
|
ni = ieee80211_find_txnode(ic, eh->ether_dhost);
|
|
if (ni == NULL) {
|
|
m_freem(m0);
|
|
continue;
|
|
}
|
|
BPF_MTAP(ifp, m0);
|
|
|
|
m0 = ieee80211_encap(ic, m0, ni);
|
|
if (m0 == NULL)
|
|
continue;
|
|
|
|
if (ic->ic_rawbpf != NULL)
|
|
bpf_mtap(ic->ic_rawbpf, m0);
|
|
|
|
if (iwi_tx_start(ifp, m0, ni) != 0) {
|
|
ieee80211_free_node(ni);
|
|
ifp->if_oerrors++;
|
|
break;
|
|
}
|
|
|
|
sc->sc_tx_timer = 5;
|
|
ifp->if_timer = 1;
|
|
}
|
|
|
|
IWI_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
iwi_watchdog(struct ifnet *ifp)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
ifp->if_timer = 0;
|
|
|
|
if (sc->sc_tx_timer > 0) {
|
|
if (--sc->sc_tx_timer == 0) {
|
|
if_printf(ifp, "device timeout\n");
|
|
ifp->if_oerrors++;
|
|
ifp->if_flags &= ~IFF_UP;
|
|
iwi_stop(sc);
|
|
IWI_UNLOCK(sc);
|
|
return;
|
|
}
|
|
ifp->if_timer = 1;
|
|
}
|
|
|
|
ieee80211_watchdog(ic);
|
|
|
|
IWI_UNLOCK(sc);
|
|
}
|
|
|
|
static int
|
|
iwi_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct iwi_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifreq *ifr;
|
|
int error = 0;
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
switch (cmd) {
|
|
case SIOCSIFFLAGS:
|
|
if (ifp->if_flags & IFF_UP) {
|
|
if (!(ifp->if_flags & IFF_RUNNING))
|
|
iwi_init(sc);
|
|
} else {
|
|
if (ifp->if_flags & IFF_RUNNING)
|
|
iwi_stop(sc);
|
|
}
|
|
break;
|
|
|
|
case SIOCSLOADFW:
|
|
/* only super-user can do that! */
|
|
if ((error = suser(curthread)) != 0)
|
|
break;
|
|
|
|
ifr = (struct ifreq *)data;
|
|
error = iwi_cache_firmware(sc, ifr->ifr_data);
|
|
break;
|
|
|
|
case SIOCSKILLFW:
|
|
/* only super-user can do that! */
|
|
if ((error = suser(curthread)) != 0)
|
|
break;
|
|
|
|
ifp->if_flags &= ~IFF_UP;
|
|
iwi_stop(sc);
|
|
iwi_free_firmware(sc);
|
|
break;
|
|
|
|
default:
|
|
error = ieee80211_ioctl(ic, cmd, data);
|
|
}
|
|
|
|
if (error == ENETRESET) {
|
|
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) ==
|
|
(IFF_UP | IFF_RUNNING))
|
|
iwi_init(sc);
|
|
error = 0;
|
|
}
|
|
|
|
IWI_UNLOCK(sc);
|
|
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
iwi_stop_master(struct iwi_softc *sc)
|
|
{
|
|
uint32_t tmp;
|
|
int ntries;
|
|
|
|
/* disable interrupts */
|
|
CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, 0);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_STOP_MASTER);
|
|
for (ntries = 0; ntries < 5; ntries++) {
|
|
if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
|
|
break;
|
|
DELAY(10);
|
|
}
|
|
if (ntries == 5)
|
|
device_printf(sc->sc_dev, "timeout waiting for master\n");
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_RST);
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_PRINCETON_RESET);
|
|
|
|
sc->flags &= ~IWI_FLAG_FW_INITED;
|
|
}
|
|
|
|
static int
|
|
iwi_reset(struct iwi_softc *sc)
|
|
{
|
|
uint32_t tmp;
|
|
int i, ntries;
|
|
|
|
iwi_stop_master(sc);
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
|
|
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_READ_INT, IWI_READ_INT_INIT_HOST);
|
|
|
|
/* wait for clock stabilization */
|
|
for (ntries = 0; ntries < 1000; ntries++) {
|
|
if (CSR_READ_4(sc, IWI_CSR_CTL) & IWI_CTL_CLOCK_READY)
|
|
break;
|
|
DELAY(200);
|
|
}
|
|
if (ntries == 1000) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout waiting for clock stabilization\n");
|
|
return EIO;
|
|
}
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_RST);
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, tmp | IWI_RST_SOFT_RESET);
|
|
|
|
DELAY(10);
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
|
|
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_INIT);
|
|
|
|
/* clear NIC memory */
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0);
|
|
for (i = 0; i < 0xc000; i++)
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
iwi_load_ucode(struct iwi_softc *sc, void *uc, int size)
|
|
{
|
|
uint32_t tmp;
|
|
uint16_t *w;
|
|
int ntries, i;
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, CSR_READ_4(sc, IWI_CSR_RST) |
|
|
IWI_RST_STOP_MASTER);
|
|
for (ntries = 0; ntries < 5; ntries++) {
|
|
if (CSR_READ_4(sc, IWI_CSR_RST) & IWI_RST_MASTER_DISABLED)
|
|
break;
|
|
DELAY(10);
|
|
}
|
|
if (ntries == 5) {
|
|
device_printf(sc->sc_dev, "timeout waiting for master\n");
|
|
return EIO;
|
|
}
|
|
|
|
MEM_WRITE_4(sc, 0x3000e0, 0x80000000);
|
|
DELAY(5000);
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_RST);
|
|
tmp &= ~IWI_RST_PRINCETON_RESET;
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
|
|
|
|
DELAY(5000);
|
|
MEM_WRITE_4(sc, 0x3000e0, 0);
|
|
DELAY(1000);
|
|
MEM_WRITE_4(sc, 0x300004, 1);
|
|
DELAY(1000);
|
|
MEM_WRITE_4(sc, 0x300004, 0);
|
|
DELAY(1000);
|
|
MEM_WRITE_1(sc, 0x200000, 0x00);
|
|
MEM_WRITE_1(sc, 0x200000, 0x40);
|
|
DELAY(1000);
|
|
|
|
/* write microcode into adapter memory */
|
|
for (w = uc; size > 0; w++, size -= 2)
|
|
MEM_WRITE_2(sc, 0x200010, *w);
|
|
|
|
MEM_WRITE_1(sc, 0x200000, 0x00);
|
|
MEM_WRITE_1(sc, 0x200000, 0x80);
|
|
|
|
/* wait until we get an answer */
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (MEM_READ_1(sc, 0x200000) & 1)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout waiting for ucode to initialize\n");
|
|
return EIO;
|
|
}
|
|
|
|
/* read the answer or the firmware will not initialize properly */
|
|
for (i = 0; i < 7; i++)
|
|
MEM_READ_4(sc, 0x200004);
|
|
|
|
MEM_WRITE_1(sc, 0x200000, 0x00);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* macro to handle unaligned little endian data in firmware image */
|
|
#define GETLE32(p) ((p)[0] | (p)[1] << 8 | (p)[2] << 16 | (p)[3] << 24)
|
|
|
|
static int
|
|
iwi_load_firmware(struct iwi_softc *sc, void *fw, int size)
|
|
{
|
|
bus_dma_tag_t dmat;
|
|
bus_dmamap_t map;
|
|
bus_addr_t physaddr;
|
|
void *virtaddr;
|
|
u_char *p, *end;
|
|
uint32_t sentinel, ctl, src, dst, sum, len, mlen, tmp;
|
|
int ntries, error = 0;
|
|
|
|
/* allocate DMA memory for mapping firmware image */
|
|
error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL, &dmat);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not create firmware DMA tag\n");
|
|
goto fail1;
|
|
}
|
|
|
|
error = bus_dmamem_alloc(dmat, &virtaddr, BUS_DMA_NOWAIT, &map);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not allocate firmware DMA memory\n");
|
|
goto fail2;
|
|
}
|
|
|
|
error = bus_dmamap_load(dmat, map, virtaddr, size, iwi_dma_map_addr,
|
|
&physaddr, 0);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not load firmware DMA map\n");
|
|
goto fail3;
|
|
}
|
|
|
|
/* copy firmware image to DMA memory */
|
|
memcpy(virtaddr, fw, size);
|
|
|
|
/* make sure the adapter will get up-to-date values */
|
|
bus_dmamap_sync(dmat, map, BUS_DMASYNC_PREWRITE);
|
|
|
|
/* tell the adapter where the command blocks are stored */
|
|
MEM_WRITE_4(sc, 0x3000a0, 0x27000);
|
|
|
|
/*
|
|
* Store command blocks into adapter's internal memory using register
|
|
* indirections. The adapter will read the firmware image through DMA
|
|
* using information stored in command blocks.
|
|
*/
|
|
src = physaddr;
|
|
p = virtaddr;
|
|
end = p + size;
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_ADDR, 0x27000);
|
|
|
|
while (p < end) {
|
|
dst = GETLE32(p); p += 4; src += 4;
|
|
len = GETLE32(p); p += 4; src += 4;
|
|
p += len;
|
|
|
|
while (len > 0) {
|
|
mlen = min(len, IWI_CB_MAXDATALEN);
|
|
|
|
ctl = IWI_CB_DEFAULT_CTL | mlen;
|
|
sum = ctl ^ src ^ dst;
|
|
|
|
/* write a command block */
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, ctl);
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, src);
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, dst);
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, sum);
|
|
|
|
src += mlen;
|
|
dst += mlen;
|
|
len -= mlen;
|
|
}
|
|
}
|
|
|
|
/* write a fictive final command block (sentinel) */
|
|
sentinel = CSR_READ_4(sc, IWI_CSR_AUTOINC_ADDR);
|
|
CSR_WRITE_4(sc, IWI_CSR_AUTOINC_DATA, 0);
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_RST);
|
|
tmp &= ~(IWI_RST_MASTER_DISABLED | IWI_RST_STOP_MASTER);
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, tmp);
|
|
|
|
/* tell the adapter to start processing command blocks */
|
|
MEM_WRITE_4(sc, 0x3000a4, 0x540100);
|
|
|
|
/* wait until the adapter reach the sentinel */
|
|
for (ntries = 0; ntries < 400; ntries++) {
|
|
if (MEM_READ_4(sc, 0x3000d0) >= sentinel)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
if (ntries == 400) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout processing command blocks\n");
|
|
error = EIO;
|
|
goto fail4;
|
|
}
|
|
|
|
/* we're done with command blocks processing */
|
|
MEM_WRITE_4(sc, 0x3000a4, 0x540c00);
|
|
|
|
/* allow interrupts so we know when the firmware is inited */
|
|
CSR_WRITE_4(sc, IWI_CSR_INTR_MASK, IWI_INTR_MASK);
|
|
|
|
/* tell the adapter to initialize the firmware */
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, 0);
|
|
|
|
tmp = CSR_READ_4(sc, IWI_CSR_CTL);
|
|
CSR_WRITE_4(sc, IWI_CSR_CTL, tmp | IWI_CTL_ALLOW_STANDBY);
|
|
|
|
/* wait at most one second for firmware initialization to complete */
|
|
if ((error = msleep(sc, &sc->sc_mtx, 0, "iwiinit", hz)) != 0) {
|
|
device_printf(sc->sc_dev, "timeout waiting for firmware "
|
|
"initialization to complete\n");
|
|
goto fail4;
|
|
}
|
|
|
|
fail4: bus_dmamap_sync(dmat, map, BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(dmat, map);
|
|
fail3: bus_dmamem_free(dmat, virtaddr, map);
|
|
fail2: bus_dma_tag_destroy(dmat);
|
|
fail1:
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* Store firmware into kernel memory so we can download it when we need to,
|
|
* e.g when the adapter wakes up from suspend mode.
|
|
*/
|
|
static int
|
|
iwi_cache_firmware(struct iwi_softc *sc, void *data)
|
|
{
|
|
struct iwi_firmware *kfw = &sc->fw;
|
|
struct iwi_firmware ufw;
|
|
int error;
|
|
|
|
iwi_free_firmware(sc);
|
|
|
|
IWI_UNLOCK(sc);
|
|
|
|
if ((error = copyin(data, &ufw, sizeof ufw)) != 0)
|
|
goto fail1;
|
|
|
|
kfw->boot_size = ufw.boot_size;
|
|
kfw->ucode_size = ufw.ucode_size;
|
|
kfw->main_size = ufw.main_size;
|
|
|
|
kfw->boot = malloc(kfw->boot_size, M_DEVBUF, M_NOWAIT);
|
|
if (kfw->boot == NULL) {
|
|
error = ENOMEM;
|
|
goto fail1;
|
|
}
|
|
|
|
kfw->ucode = malloc(kfw->ucode_size, M_DEVBUF, M_NOWAIT);
|
|
if (kfw->ucode == NULL) {
|
|
error = ENOMEM;
|
|
goto fail2;
|
|
}
|
|
|
|
kfw->main = malloc(kfw->main_size, M_DEVBUF, M_NOWAIT);
|
|
if (kfw->main == NULL) {
|
|
error = ENOMEM;
|
|
goto fail3;
|
|
}
|
|
|
|
if ((error = copyin(ufw.boot, kfw->boot, kfw->boot_size)) != 0)
|
|
goto fail4;
|
|
|
|
if ((error = copyin(ufw.ucode, kfw->ucode, kfw->ucode_size)) != 0)
|
|
goto fail4;
|
|
|
|
if ((error = copyin(ufw.main, kfw->main, kfw->main_size)) != 0)
|
|
goto fail4;
|
|
|
|
DPRINTF(("Firmware cached: boot %u, ucode %u, main %u\n",
|
|
kfw->boot_size, kfw->ucode_size, kfw->main_size));
|
|
|
|
IWI_LOCK(sc);
|
|
|
|
sc->flags |= IWI_FLAG_FW_CACHED;
|
|
|
|
return 0;
|
|
|
|
fail4: free(kfw->boot, M_DEVBUF);
|
|
fail3: free(kfw->ucode, M_DEVBUF);
|
|
fail2: free(kfw->main, M_DEVBUF);
|
|
fail1: IWI_LOCK(sc);
|
|
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
iwi_free_firmware(struct iwi_softc *sc)
|
|
{
|
|
if (!(sc->flags & IWI_FLAG_FW_CACHED))
|
|
return;
|
|
|
|
free(sc->fw.boot, M_DEVBUF);
|
|
free(sc->fw.ucode, M_DEVBUF);
|
|
free(sc->fw.main, M_DEVBUF);
|
|
|
|
sc->flags &= ~IWI_FLAG_FW_CACHED;
|
|
}
|
|
|
|
static int
|
|
iwi_config(struct iwi_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct iwi_configuration config;
|
|
struct iwi_rateset rs;
|
|
struct iwi_txpower power;
|
|
struct ieee80211_key *wk;
|
|
struct iwi_wep_key wepkey;
|
|
uint32_t data;
|
|
int error, i;
|
|
|
|
IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
|
|
DPRINTF(("Setting MAC address to %6D\n", ic->ic_myaddr, ":"));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_MAC_ADDRESS, ic->ic_myaddr,
|
|
IEEE80211_ADDR_LEN, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
memset(&config, 0, sizeof config);
|
|
config.bluetooth_coexistence = sc->bluetooth;
|
|
config.antenna = sc->antenna;
|
|
config.multicast_enabled = 1;
|
|
config.answer_pbreq = (ic->ic_opmode == IEEE80211_M_IBSS) ? 1 : 0;
|
|
config.disable_unicast_decryption = 1;
|
|
config.disable_multicast_decryption = 1;
|
|
DPRINTF(("Configuring adapter\n"));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
data = htole32(IWI_POWER_MODE_CAM);
|
|
DPRINTF(("Setting power mode to %u\n", le32toh(data)));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_POWER_MODE, &data, sizeof data, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
data = htole32(ic->ic_rtsthreshold);
|
|
DPRINTF(("Setting RTS threshold to %u\n", le32toh(data)));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_RTS_THRESHOLD, &data, sizeof data, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
data = htole32(ic->ic_fragthreshold);
|
|
DPRINTF(("Setting fragmentation threshold to %u\n", le32toh(data)));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_FRAG_THRESHOLD, &data, sizeof data, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
if (ic->ic_opmode == IEEE80211_M_IBSS) {
|
|
power.mode = IWI_MODE_11B;
|
|
power.nchan = 11;
|
|
for (i = 0; i < 11; i++) {
|
|
power.chan[i].chan = i + 1;
|
|
power.chan[i].power = IWI_TXPOWER_MAX;
|
|
}
|
|
DPRINTF(("Setting .11b channels tx power\n"));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power,
|
|
0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
power.mode = IWI_MODE_11G;
|
|
DPRINTF(("Setting .11g channels tx power\n"));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_TX_POWER, &power, sizeof power,
|
|
0);
|
|
if (error != 0)
|
|
return error;
|
|
}
|
|
|
|
rs.mode = IWI_MODE_11G;
|
|
rs.type = IWI_RATESET_TYPE_SUPPORTED;
|
|
rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11G].rs_nrates;
|
|
memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11G].rs_rates,
|
|
rs.nrates);
|
|
DPRINTF(("Setting .11bg supported rates (%u)\n", rs.nrates));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
rs.mode = IWI_MODE_11A;
|
|
rs.type = IWI_RATESET_TYPE_SUPPORTED;
|
|
rs.nrates = ic->ic_sup_rates[IEEE80211_MODE_11A].rs_nrates;
|
|
memcpy(rs.rates, ic->ic_sup_rates[IEEE80211_MODE_11A].rs_rates,
|
|
rs.nrates);
|
|
DPRINTF(("Setting .11a supported rates (%u)\n", rs.nrates));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
data = htole32(arc4random());
|
|
DPRINTF(("Setting initialization vector to %u\n", le32toh(data)));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_IV, &data, sizeof data, 0);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
wk = &ic->ic_crypto.cs_nw_keys[i];
|
|
|
|
wepkey.cmd = IWI_WEP_KEY_CMD_SETKEY;
|
|
wepkey.idx = i;
|
|
wepkey.len = wk->wk_keylen;
|
|
memset(wepkey.key, 0, sizeof wepkey.key);
|
|
memcpy(wepkey.key, wk->wk_key, wk->wk_keylen);
|
|
DPRINTF(("Setting wep key index %u len %u\n", wepkey.idx,
|
|
wepkey.len));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_WEP_KEY, &wepkey,
|
|
sizeof wepkey, 0);
|
|
if (error != 0)
|
|
return error;
|
|
}
|
|
|
|
/* enable adapter */
|
|
DPRINTF(("Enabling adapter\n"));
|
|
return iwi_cmd(sc, IWI_CMD_ENABLE, NULL, 0, 0);
|
|
}
|
|
|
|
static int
|
|
iwi_set_chan(struct iwi_softc *sc, struct ieee80211_channel *chan)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct iwi_scan scan;
|
|
|
|
memset(&scan, 0, sizeof scan);
|
|
scan.type = IWI_SCAN_TYPE_PASSIVE;
|
|
scan.dwelltime = htole16(2000);
|
|
scan.channels[0] = 1 | (IEEE80211_IS_CHAN_5GHZ(chan) ? IWI_CHAN_5GHZ :
|
|
IWI_CHAN_2GHZ);
|
|
scan.channels[1] = ieee80211_chan2ieee(ic, chan);
|
|
|
|
DPRINTF(("Setting channel to %u\n", ieee80211_chan2ieee(ic, chan)));
|
|
return iwi_cmd(sc, IWI_CMD_SCAN, &scan, sizeof scan, 1);
|
|
}
|
|
|
|
static int
|
|
iwi_scan(struct iwi_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct iwi_scan scan;
|
|
uint8_t *p;
|
|
int i, count;
|
|
|
|
memset(&scan, 0, sizeof scan);
|
|
scan.type = IWI_SCAN_TYPE_BROADCAST;
|
|
scan.dwelltime = htole16(sc->dwelltime);
|
|
|
|
p = scan.channels;
|
|
count = 0;
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
|
|
if (IEEE80211_IS_CHAN_5GHZ(&ic->ic_channels[i]) &&
|
|
isset(ic->ic_chan_active, i)) {
|
|
*++p = i;
|
|
count++;
|
|
}
|
|
}
|
|
*(p - count) = IWI_CHAN_5GHZ | count;
|
|
|
|
count = 0;
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++) {
|
|
if (IEEE80211_IS_CHAN_2GHZ(&ic->ic_channels[i]) &&
|
|
isset(ic->ic_chan_active, i)) {
|
|
*++p = i;
|
|
count++;
|
|
}
|
|
}
|
|
*(p - count) = IWI_CHAN_2GHZ | count;
|
|
|
|
DPRINTF(("Start scanning\n"));
|
|
return iwi_cmd(sc, IWI_CMD_SCAN, &scan, sizeof scan, 1);
|
|
}
|
|
|
|
static int
|
|
iwi_auth_and_assoc(struct iwi_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct ieee80211_node *ni = ic->ic_bss;
|
|
struct iwi_configuration config;
|
|
struct iwi_associate assoc;
|
|
struct iwi_rateset rs;
|
|
uint16_t capinfo;
|
|
uint32_t data;
|
|
int error;
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan)) {
|
|
memset(&config, 0, sizeof config);
|
|
config.bluetooth_coexistence = sc->bluetooth;
|
|
config.antenna = sc->antenna;
|
|
config.multicast_enabled = 1;
|
|
config.use_protection = 1;
|
|
config.answer_pbreq =
|
|
(ic->ic_opmode == IEEE80211_M_IBSS) ? 1 : 0;
|
|
config.disable_unicast_decryption = 1;
|
|
config.disable_multicast_decryption = 1;
|
|
DPRINTF(("Configuring adapter\n"));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_CONFIG, &config, sizeof config,
|
|
1);
|
|
if (error != 0)
|
|
return error;
|
|
}
|
|
|
|
#ifdef IWI_DEBUG
|
|
if (iwi_debug > 0) {
|
|
printf("Setting ESSID to ");
|
|
ieee80211_print_essid(ni->ni_essid, ni->ni_esslen);
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
error = iwi_cmd(sc, IWI_CMD_SET_ESSID, ni->ni_essid, ni->ni_esslen, 1);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
/* the rate set has already been "negociated" */
|
|
rs.mode = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? IWI_MODE_11A :
|
|
IWI_MODE_11G;
|
|
rs.type = IWI_RATESET_TYPE_NEGOCIATED;
|
|
rs.nrates = ni->ni_rates.rs_nrates;
|
|
memcpy(rs.rates, ni->ni_rates.rs_rates, rs.nrates);
|
|
DPRINTF(("Setting negociated rates (%u)\n", rs.nrates));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_RATES, &rs, sizeof rs, 1);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
if (ic->ic_opt_ie != NULL) {
|
|
DPRINTF(("Setting optional IE (len=%u)\n", ic->ic_opt_ie_len));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_OPTIE, ic->ic_opt_ie,
|
|
ic->ic_opt_ie_len, 1);
|
|
if (error != 0)
|
|
return error;
|
|
}
|
|
|
|
data = htole32(ni->ni_rssi);
|
|
DPRINTF(("Setting sensitivity to %d\n", (int8_t)ni->ni_rssi));
|
|
error = iwi_cmd(sc, IWI_CMD_SET_SENSITIVITY, &data, sizeof data, 1);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
memset(&assoc, 0, sizeof assoc);
|
|
assoc.mode = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? IWI_MODE_11A :
|
|
IWI_MODE_11G;
|
|
assoc.chan = ieee80211_chan2ieee(ic, ni->ni_chan);
|
|
if (ni->ni_authmode == IEEE80211_AUTH_SHARED)
|
|
assoc.auth = ic->ic_crypto.cs_def_txkey << 4 | IWI_AUTH_SHARED;
|
|
if (ic->ic_opt_ie != NULL)
|
|
assoc.policy |= htole16(IWI_POLICY_OPTIE);
|
|
memcpy(assoc.tstamp, ni->ni_tstamp.data, 8);
|
|
|
|
if (ic->ic_opmode == IEEE80211_M_IBSS)
|
|
capinfo = IEEE80211_CAPINFO_IBSS;
|
|
else
|
|
capinfo = IEEE80211_CAPINFO_ESS;
|
|
if (ic->ic_flags & IEEE80211_F_PRIVACY)
|
|
capinfo |= IEEE80211_CAPINFO_PRIVACY;
|
|
if ((ic->ic_flags & IEEE80211_F_SHPREAMBLE) &&
|
|
IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
|
|
capinfo |= IEEE80211_CAPINFO_SHORT_PREAMBLE;
|
|
if (ic->ic_flags & IEEE80211_F_SHSLOT)
|
|
capinfo |= IEEE80211_CAPINFO_SHORT_SLOTTIME;
|
|
assoc.capinfo = htole16(capinfo);
|
|
|
|
assoc.lintval = htole16(ic->ic_lintval);
|
|
assoc.intval = htole16(ni->ni_intval);
|
|
IEEE80211_ADDR_COPY(assoc.bssid, ni->ni_bssid);
|
|
if (ic->ic_opmode == IEEE80211_M_IBSS)
|
|
IEEE80211_ADDR_COPY(assoc.dst, ifp->if_broadcastaddr);
|
|
else
|
|
IEEE80211_ADDR_COPY(assoc.dst, ni->ni_bssid);
|
|
|
|
DPRINTF(("Trying to associate to %6D channel %u auth %u\n",
|
|
assoc.bssid, ":", assoc.chan, assoc.auth));
|
|
return iwi_cmd(sc, IWI_CMD_ASSOCIATE, &assoc, sizeof assoc, 1);
|
|
}
|
|
|
|
static void
|
|
iwi_init(void *priv)
|
|
{
|
|
struct iwi_softc *sc = priv;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct iwi_firmware *fw = &sc->fw;
|
|
struct iwi_rx_data *data;
|
|
int i;
|
|
|
|
/* exit immediately if firmware has not been ioctl'd */
|
|
if (!(sc->flags & IWI_FLAG_FW_CACHED)) {
|
|
if (!(sc->flags & IWI_FLAG_FW_WARNED))
|
|
device_printf(sc->sc_dev, "Please load firmware\n");
|
|
sc->flags |= IWI_FLAG_FW_WARNED;
|
|
ifp->if_flags &= ~IFF_UP;
|
|
return;
|
|
}
|
|
|
|
iwi_stop(sc);
|
|
|
|
if (iwi_reset(sc) != 0) {
|
|
device_printf(sc->sc_dev, "could not reset adapter\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (iwi_load_firmware(sc, fw->boot, fw->boot_size) != 0) {
|
|
device_printf(sc->sc_dev, "could not load boot firmware\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (iwi_load_ucode(sc, fw->ucode, fw->ucode_size) != 0) {
|
|
device_printf(sc->sc_dev, "could not load microcode\n");
|
|
goto fail;
|
|
}
|
|
|
|
iwi_stop_master(sc);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_CMD_BASE, sc->cmdq.physaddr);
|
|
CSR_WRITE_4(sc, IWI_CSR_CMD_SIZE, sc->cmdq.count);
|
|
CSR_WRITE_4(sc, IWI_CSR_CMD_WIDX, sc->cmdq.cur);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_TX1_BASE, sc->txq.physaddr);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX1_SIZE, sc->txq.count);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX1_WIDX, sc->txq.cur);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_TX2_BASE, sc->txq.physaddr);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX2_SIZE, sc->txq.count);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX2_WIDX, sc->txq.cur);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_TX3_BASE, sc->txq.physaddr);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX3_SIZE, sc->txq.count);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX3_WIDX, sc->txq.cur);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_TX4_BASE, sc->txq.physaddr);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX4_SIZE, sc->txq.count);
|
|
CSR_WRITE_4(sc, IWI_CSR_TX4_WIDX, sc->txq.cur);
|
|
|
|
for (i = 0; i < sc->rxq.count; i++) {
|
|
data = &sc->rxq.data[i];
|
|
CSR_WRITE_4(sc, data->reg, data->physaddr);
|
|
}
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_RX_WIDX, sc->rxq.count - 1);
|
|
|
|
if (iwi_load_firmware(sc, fw->main, fw->main_size) != 0) {
|
|
device_printf(sc->sc_dev, "could not load main firmware\n");
|
|
goto fail;
|
|
}
|
|
|
|
sc->flags |= IWI_FLAG_FW_INITED;
|
|
|
|
if (iwi_config(sc) != 0) {
|
|
device_printf(sc->sc_dev, "device configuration failed\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (ic->ic_opmode == IEEE80211_M_MONITOR)
|
|
ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
|
|
else
|
|
ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
|
|
|
|
ifp->if_flags &= ~IFF_OACTIVE;
|
|
ifp->if_flags |= IFF_RUNNING;
|
|
|
|
return;
|
|
|
|
fail: ifp->if_flags &= ~IFF_UP;
|
|
iwi_stop(sc);
|
|
}
|
|
|
|
static void
|
|
iwi_stop(void *priv)
|
|
{
|
|
struct iwi_softc *sc = priv;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
|
|
iwi_stop_master(sc);
|
|
|
|
CSR_WRITE_4(sc, IWI_CSR_RST, IWI_RST_SOFT_RESET);
|
|
|
|
/* reset rings */
|
|
iwi_reset_cmd_ring(sc, &sc->cmdq);
|
|
iwi_reset_tx_ring(sc, &sc->txq);
|
|
iwi_reset_rx_ring(sc, &sc->rxq);
|
|
|
|
sc->sc_tx_timer = 0;
|
|
ifp->if_timer = 0;
|
|
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
|
|
|
|
ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
|
|
}
|
|
|
|
#ifdef IWI_DEBUG
|
|
static int
|
|
iwi_sysctl_stats(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct iwi_softc *sc = arg1;
|
|
uint32_t size, buf[128];
|
|
|
|
if (!(sc->flags & IWI_FLAG_FW_INITED)) {
|
|
memset(buf, 0, sizeof buf);
|
|
return SYSCTL_OUT(req, buf, sizeof buf);
|
|
}
|
|
|
|
size = min(CSR_READ_4(sc, IWI_CSR_TABLE0_SIZE), 128 - 1);
|
|
CSR_READ_REGION_4(sc, IWI_CSR_TABLE0_BASE, &buf[1], size);
|
|
|
|
return SYSCTL_OUT(req, buf, sizeof buf);
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
iwi_sysctl_radio(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct iwi_softc *sc = arg1;
|
|
int val;
|
|
|
|
val = (CSR_READ_4(sc, IWI_CSR_IO) & IWI_IO_RADIO_ENABLED) ? 1 : 0;
|
|
|
|
return SYSCTL_OUT(req, &val, sizeof val);
|
|
}
|