2015-09-26 07:08:35 +00:00
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/* $OpenBSD: if_otus.c,v 1.46 2015/03/14 03:38:49 jsg Exp $ */
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/*-
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* Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2015 Adrian Chadd <adrian@FreeBSD.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Driver for Atheros AR9001U chipset.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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2015-09-28 01:09:48 +00:00
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#include "opt_wlan.h"
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2015-09-26 07:08:35 +00:00
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#include <sys/param.h>
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#include <sys/endian.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/conf.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/firmware.h>
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#include <sys/module.h>
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#include <sys/taskqueue.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.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 <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/if_ether.h>
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#include <netinet/ip.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_ratectl.h>
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#include <net80211/ieee80211_input.h>
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2015-09-28 01:09:48 +00:00
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#ifdef IEEE80211_SUPPORT_SUPERG
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#include <net80211/ieee80211_superg.h>
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#endif
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2015-09-26 07:08:35 +00:00
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include "usbdevs.h"
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#define USB_DEBUG_VAR otus_debug
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#include <dev/usb/usb_debug.h>
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#include "if_otusreg.h"
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static int otus_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, otus, CTLFLAG_RW, 0, "USB otus");
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SYSCTL_INT(_hw_usb_otus, OID_AUTO, debug, CTLFLAG_RWTUN, &otus_debug, 0,
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"Debug level");
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#define OTUS_DEBUG_XMIT 0x00000001
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#define OTUS_DEBUG_RECV 0x00000002
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#define OTUS_DEBUG_TXDONE 0x00000004
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#define OTUS_DEBUG_RXDONE 0x00000008
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#define OTUS_DEBUG_CMD 0x00000010
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#define OTUS_DEBUG_CMDDONE 0x00000020
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#define OTUS_DEBUG_RESET 0x00000040
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#define OTUS_DEBUG_STATE 0x00000080
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#define OTUS_DEBUG_CMDNOTIFY 0x00000100
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#define OTUS_DEBUG_REGIO 0x00000200
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#define OTUS_DEBUG_IRQ 0x00000400
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#define OTUS_DEBUG_TXCOMP 0x00000800
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#define OTUS_DEBUG_ANY 0xffffffff
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#define OTUS_DPRINTF(sc, dm, ...) \
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do { \
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if ((dm == OTUS_DEBUG_ANY) || (dm & otus_debug)) \
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device_printf(sc->sc_dev, __VA_ARGS__); \
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} while (0)
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#define OTUS_DEV(v, p) { USB_VPI(v, p, 0) }
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static const STRUCT_USB_HOST_ID otus_devs[] = {
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OTUS_DEV(USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_WN7512),
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OTUS_DEV(USB_VENDOR_ATHEROS2, USB_PRODUCT_ATHEROS2_3CRUSBN275),
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OTUS_DEV(USB_VENDOR_ATHEROS2, USB_PRODUCT_ATHEROS2_TG121N),
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OTUS_DEV(USB_VENDOR_ATHEROS2, USB_PRODUCT_ATHEROS2_AR9170),
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OTUS_DEV(USB_VENDOR_ATHEROS2, USB_PRODUCT_ATHEROS2_WN612),
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OTUS_DEV(USB_VENDOR_ATHEROS2, USB_PRODUCT_ATHEROS2_WN821NV2),
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OTUS_DEV(USB_VENDOR_AVM, USB_PRODUCT_AVM_FRITZWLAN),
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OTUS_DEV(USB_VENDOR_CACE, USB_PRODUCT_CACE_AIRPCAPNX),
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OTUS_DEV(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA130D1),
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OTUS_DEV(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160A1),
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OTUS_DEV(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160A2),
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OTUS_DEV(USB_VENDOR_IODATA, USB_PRODUCT_IODATA_WNGDNUS2),
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OTUS_DEV(USB_VENDOR_NEC, USB_PRODUCT_NEC_WL300NUG),
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OTUS_DEV(USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_WN111V2),
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OTUS_DEV(USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_WNA1000),
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OTUS_DEV(USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_WNDA3100),
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OTUS_DEV(USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GW_US300),
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OTUS_DEV(USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_O8494),
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OTUS_DEV(USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_WNC0600),
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OTUS_DEV(USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_UB81),
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OTUS_DEV(USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_UB82),
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OTUS_DEV(USB_VENDOR_ZYDAS, USB_PRODUCT_ZYDAS_ZD1221),
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OTUS_DEV(USB_VENDOR_ZYXEL, USB_PRODUCT_ZYXEL_NWD271N),
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};
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static device_probe_t otus_match;
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static device_attach_t otus_attach;
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static device_detach_t otus_detach;
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static int otus_attachhook(struct otus_softc *);
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void otus_get_chanlist(struct otus_softc *);
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int otus_load_firmware(struct otus_softc *, const char *,
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uint32_t);
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int otus_open_pipes(struct otus_softc *);
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void otus_close_pipes(struct otus_softc *);
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static int otus_alloc_tx_cmd_list(struct otus_softc *);
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static void otus_free_tx_cmd_list(struct otus_softc *);
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static int otus_alloc_rx_list(struct otus_softc *);
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static void otus_free_rx_list(struct otus_softc *);
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static int otus_alloc_tx_list(struct otus_softc *);
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static void otus_free_tx_list(struct otus_softc *);
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static void otus_free_list(struct otus_softc *, struct otus_data [], int);
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static struct otus_data *_otus_getbuf(struct otus_softc *);
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static struct otus_data *otus_getbuf(struct otus_softc *);
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static void otus_freebuf(struct otus_softc *, struct otus_data *);
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static struct otus_tx_cmd *_otus_get_txcmd(struct otus_softc *);
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static struct otus_tx_cmd *otus_get_txcmd(struct otus_softc *);
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static void otus_free_txcmd(struct otus_softc *, struct otus_tx_cmd *);
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void otus_next_scan(void *, int);
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static void otus_tx_task(void *, int pending);
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void otus_do_async(struct otus_softc *,
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void (*)(struct otus_softc *, void *), void *, int);
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int otus_newstate(struct ieee80211vap *, enum ieee80211_state,
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int);
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int otus_cmd(struct otus_softc *, uint8_t, const void *, int,
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2015-09-27 03:46:55 +00:00
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void *, int);
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2015-09-26 07:08:35 +00:00
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void otus_write(struct otus_softc *, uint32_t, uint32_t);
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int otus_write_barrier(struct otus_softc *);
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2015-10-19 01:21:29 +00:00
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static struct ieee80211_node *otus_node_alloc(struct ieee80211vap *vap,
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const uint8_t mac[IEEE80211_ADDR_LEN]);
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2015-09-26 07:08:35 +00:00
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int otus_media_change(struct ifnet *);
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int otus_read_eeprom(struct otus_softc *);
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void otus_newassoc(struct ieee80211_node *, int);
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void otus_cmd_rxeof(struct otus_softc *, uint8_t *, int);
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void otus_sub_rxeof(struct otus_softc *, uint8_t *, int,
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struct mbufq *);
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static int otus_tx(struct otus_softc *, struct ieee80211_node *,
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2015-10-23 00:48:00 +00:00
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struct mbuf *, struct otus_data *,
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const struct ieee80211_bpf_params *);
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2015-09-26 07:08:35 +00:00
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int otus_ioctl(struct ifnet *, u_long, caddr_t);
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int otus_set_multi(struct otus_softc *);
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2015-11-05 17:58:18 +00:00
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static int otus_updateedca(struct ieee80211com *);
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static void otus_updateedca_locked(struct otus_softc *);
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static void otus_updateslot(struct otus_softc *);
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2015-09-26 07:08:35 +00:00
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int otus_init_mac(struct otus_softc *);
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uint32_t otus_phy_get_def(struct otus_softc *, uint32_t);
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int otus_set_board_values(struct otus_softc *,
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struct ieee80211_channel *);
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int otus_program_phy(struct otus_softc *,
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struct ieee80211_channel *);
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int otus_set_rf_bank4(struct otus_softc *,
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struct ieee80211_channel *);
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void otus_get_delta_slope(uint32_t, uint32_t *, uint32_t *);
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static int otus_set_chan(struct otus_softc *, struct ieee80211_channel *,
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int);
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int otus_set_key(struct ieee80211com *, struct ieee80211_node *,
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struct ieee80211_key *);
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void otus_set_key_cb(struct otus_softc *, void *);
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void otus_delete_key(struct ieee80211com *, struct ieee80211_node *,
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struct ieee80211_key *);
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void otus_delete_key_cb(struct otus_softc *, void *);
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void otus_calibrate_to(void *, int);
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int otus_set_bssid(struct otus_softc *, const uint8_t *);
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int otus_set_macaddr(struct otus_softc *, const uint8_t *);
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void otus_led_newstate_type1(struct otus_softc *);
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void otus_led_newstate_type2(struct otus_softc *);
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void otus_led_newstate_type3(struct otus_softc *);
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int otus_init(struct otus_softc *sc);
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void otus_stop(struct otus_softc *sc);
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static device_method_t otus_methods[] = {
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DEVMETHOD(device_probe, otus_match),
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DEVMETHOD(device_attach, otus_attach),
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DEVMETHOD(device_detach, otus_detach),
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DEVMETHOD_END
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};
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static driver_t otus_driver = {
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.name = "otus",
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.methods = otus_methods,
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.size = sizeof(struct otus_softc)
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};
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static devclass_t otus_devclass;
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DRIVER_MODULE(otus, uhub, otus_driver, otus_devclass, NULL, 0);
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MODULE_DEPEND(otus, wlan, 1, 1, 1);
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MODULE_DEPEND(otus, usb, 1, 1, 1);
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MODULE_DEPEND(otus, firmware, 1, 1, 1);
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MODULE_VERSION(otus, 1);
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static usb_callback_t otus_bulk_tx_callback;
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static usb_callback_t otus_bulk_rx_callback;
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static usb_callback_t otus_bulk_irq_callback;
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static usb_callback_t otus_bulk_cmd_callback;
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static const struct usb_config otus_config[OTUS_N_XFER] = {
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[OTUS_BULK_TX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.bufsize = 0x200,
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = otus_bulk_tx_callback,
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.timeout = 5000, /* ms */
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},
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[OTUS_BULK_RX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.bufsize = OTUS_RXBUFSZ,
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.flags = { .ext_buffer = 1, .pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = otus_bulk_rx_callback,
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},
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[OTUS_BULK_IRQ] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.bufsize = OTUS_MAX_CTRLSZ,
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = otus_bulk_irq_callback,
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},
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[OTUS_BULK_CMD] = {
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.type = UE_INTERRUPT,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.bufsize = OTUS_MAX_CTRLSZ,
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = otus_bulk_cmd_callback,
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.timeout = 5000, /* ms */
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},
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};
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static int
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otus_match(device_t self)
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{
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struct usb_attach_arg *uaa = device_get_ivars(self);
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if (uaa->usb_mode != USB_MODE_HOST ||
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uaa->info.bIfaceIndex != 0 ||
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uaa->info.bConfigIndex != 0)
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return (ENXIO);
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return (usbd_lookup_id_by_uaa(otus_devs, sizeof(otus_devs), uaa));
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}
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static int
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otus_attach(device_t self)
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{
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struct usb_attach_arg *uaa = device_get_ivars(self);
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struct otus_softc *sc = device_get_softc(self);
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int error;
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uint8_t iface_index;
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device_set_usb_desc(self);
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sc->sc_udev = uaa->device;
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sc->sc_dev = self;
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mtx_init(&sc->sc_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK,
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MTX_DEF);
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|
|
TIMEOUT_TASK_INIT(taskqueue_thread, &sc->scan_to, 0, otus_next_scan, sc);
|
|
|
|
TIMEOUT_TASK_INIT(taskqueue_thread, &sc->calib_to, 0, otus_calibrate_to, sc);
|
|
|
|
TASK_INIT(&sc->tx_task, 0, otus_tx_task, sc);
|
|
|
|
mbufq_init(&sc->sc_snd, ifqmaxlen);
|
|
|
|
|
|
|
|
iface_index = 0;
|
|
|
|
error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer,
|
|
|
|
otus_config, OTUS_N_XFER, sc, &sc->sc_mtx);
|
|
|
|
if (error) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"could not allocate USB transfers, err=%s\n",
|
|
|
|
usbd_errstr(error));
|
|
|
|
goto fail_usb;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((error = otus_open_pipes(sc)) != 0) {
|
|
|
|
device_printf(sc->sc_dev, "%s: could not open pipes\n",
|
|
|
|
__func__);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX check return status; fail out if appropriate */
|
|
|
|
if (otus_attachhook(sc) != 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
fail:
|
|
|
|
otus_close_pipes(sc);
|
|
|
|
fail_usb:
|
|
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_detach(device_t self)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = device_get_softc(self);
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
|
|
|
|
otus_stop(sc);
|
|
|
|
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, OTUS_N_XFER);
|
|
|
|
|
|
|
|
taskqueue_drain_timeout(taskqueue_thread, &sc->scan_to);
|
|
|
|
taskqueue_drain_timeout(taskqueue_thread, &sc->calib_to);
|
|
|
|
taskqueue_drain(taskqueue_thread, &sc->tx_task);
|
|
|
|
|
2015-09-28 01:09:48 +00:00
|
|
|
otus_close_pipes(sc);
|
2015-09-26 07:08:35 +00:00
|
|
|
#if 0
|
|
|
|
/* Wait for all queued asynchronous commands to complete. */
|
|
|
|
usb_rem_wait_task(sc->sc_udev, &sc->sc_task);
|
|
|
|
|
|
|
|
usbd_ref_wait(sc->sc_udev);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
ieee80211_ifdetach(ic);
|
|
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_delay_ms(struct otus_softc *sc, int ms)
|
|
|
|
{
|
|
|
|
|
|
|
|
DELAY(1000 * ms);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ieee80211vap *
|
|
|
|
otus_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
|
|
|
|
enum ieee80211_opmode opmode, int flags,
|
|
|
|
const uint8_t bssid[IEEE80211_ADDR_LEN],
|
|
|
|
const uint8_t mac[IEEE80211_ADDR_LEN])
|
|
|
|
{
|
|
|
|
struct otus_vap *uvp;
|
|
|
|
struct ieee80211vap *vap;
|
|
|
|
|
|
|
|
if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
|
|
|
|
return (NULL);
|
|
|
|
|
|
|
|
uvp = malloc(sizeof(struct otus_vap), M_80211_VAP, M_WAITOK | M_ZERO);
|
|
|
|
vap = &uvp->vap;
|
|
|
|
|
|
|
|
if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
|
|
|
|
flags, bssid) != 0) {
|
|
|
|
/* out of memory */
|
|
|
|
free(uvp, M_80211_VAP);
|
|
|
|
return (NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* override state transition machine */
|
|
|
|
uvp->newstate = vap->iv_newstate;
|
|
|
|
vap->iv_newstate = otus_newstate;
|
|
|
|
|
|
|
|
/* XXX TODO: double-check */
|
|
|
|
vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16;
|
|
|
|
vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
|
|
|
|
|
|
|
|
ieee80211_ratectl_init(vap);
|
|
|
|
|
|
|
|
/* complete setup */
|
|
|
|
ieee80211_vap_attach(vap, ieee80211_media_change,
|
|
|
|
ieee80211_media_status, mac);
|
|
|
|
ic->ic_opmode = opmode;
|
|
|
|
|
|
|
|
return (vap);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_vap_delete(struct ieee80211vap *vap)
|
|
|
|
{
|
|
|
|
struct otus_vap *uvp = OTUS_VAP(vap);
|
|
|
|
|
|
|
|
ieee80211_ratectl_deinit(vap);
|
|
|
|
ieee80211_vap_detach(vap);
|
|
|
|
free(uvp, M_80211_VAP);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_parent(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
int startall = 0;
|
|
|
|
|
|
|
|
if (ic->ic_nrunning > 0) {
|
|
|
|
if (!sc->sc_running) {
|
|
|
|
otus_init(sc);
|
|
|
|
startall = 1;
|
|
|
|
} else {
|
|
|
|
(void) otus_set_multi(sc);
|
|
|
|
}
|
|
|
|
} else if (sc->sc_running)
|
|
|
|
otus_stop(sc);
|
|
|
|
|
|
|
|
if (startall)
|
|
|
|
ieee80211_start_all(ic);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_drain_mbufq(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct mbuf *m;
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
|
|
|
|
ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
|
|
|
|
m->m_pkthdr.rcvif = NULL;
|
|
|
|
ieee80211_free_node(ni);
|
|
|
|
m_freem(m);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_tx_start(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
|
|
|
|
taskqueue_enqueue(taskqueue_thread, &sc->tx_task);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_transmit(struct ieee80211com *ic, struct mbuf *m)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
if (! sc->sc_running) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX TODO: handle fragments */
|
|
|
|
error = mbufq_enqueue(&sc->sc_snd, m);
|
|
|
|
if (error) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: mbufq_enqueue failed: %d\n",
|
|
|
|
__func__,
|
|
|
|
error);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
|
|
|
|
/* Kick TX */
|
|
|
|
otus_tx_start(sc);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_otus_start(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
struct otus_data *bf;
|
|
|
|
struct mbuf *m;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
|
|
|
|
bf = otus_getbuf(sc);
|
|
|
|
if (bf == NULL) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: failed to get buffer\n", __func__);
|
|
|
|
mbufq_prepend(&sc->sc_snd, m);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
ni = (struct ieee80211_node *)m->m_pkthdr.rcvif;
|
|
|
|
m->m_pkthdr.rcvif = NULL;
|
|
|
|
|
2015-10-23 00:48:00 +00:00
|
|
|
if (otus_tx(sc, ni, m, bf, NULL) != 0) {
|
2015-09-26 07:08:35 +00:00
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: failed to transmit\n", __func__);
|
|
|
|
if_inc_counter(ni->ni_vap->iv_ifp,
|
|
|
|
IFCOUNTER_OERRORS, 1);
|
|
|
|
otus_freebuf(sc, bf);
|
|
|
|
ieee80211_free_node(ni);
|
|
|
|
m_freem(m);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_tx_task(void *arg, int pending)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = arg;
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
_otus_start(sc);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
|
|
|
|
const struct ieee80211_bpf_params *params)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic= ni->ni_ic;
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
struct otus_data *bf = NULL;
|
|
|
|
int error = 0;
|
|
|
|
|
|
|
|
/* Don't transmit if we're not running */
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
if (! sc->sc_running) {
|
|
|
|
error = ENETDOWN;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
bf = otus_getbuf(sc);
|
|
|
|
if (bf == NULL) {
|
|
|
|
error = ENOBUFS;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
2015-10-23 00:48:00 +00:00
|
|
|
if (otus_tx(sc, ni, m, bf, params) != 0) {
|
2015-09-26 07:08:35 +00:00
|
|
|
error = EIO;
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return (0);
|
|
|
|
error:
|
|
|
|
if (bf)
|
|
|
|
otus_freebuf(sc, bf);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
m_freem(m);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_update_chw(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
|
|
|
|
printf("%s: TODO\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_set_channel(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET, "%s: set channel: %d\n",
|
|
|
|
__func__,
|
|
|
|
ic->ic_curchan->ic_freq);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
(void) otus_set_chan(sc, ic->ic_curchan, 0);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_ampdu_enable(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* For now, no A-MPDU TX support in the driver */
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_scan_start(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
|
|
|
|
// printf("%s: TODO\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_scan_end(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
|
|
|
|
// printf("%s: TODO\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_update_mcast(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
|
|
|
|
(void) otus_set_multi(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_attachhook(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
usb_device_request_t req;
|
|
|
|
uint32_t in, out;
|
2016-01-07 18:41:03 +00:00
|
|
|
uint8_t bands[howmany(IEEE80211_MODE_MAX, 8)];
|
2015-09-26 07:08:35 +00:00
|
|
|
int error;
|
|
|
|
|
|
|
|
/* Not locked */
|
|
|
|
error = otus_load_firmware(sc, "otusfw_init", AR_FW_INIT_ADDR);
|
|
|
|
if (error != 0) {
|
|
|
|
device_printf(sc->sc_dev, "%s: could not load %s firmware\n",
|
|
|
|
__func__, "init");
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX not locked? */
|
|
|
|
otus_delay_ms(sc, 1000);
|
|
|
|
|
|
|
|
/* Not locked */
|
|
|
|
error = otus_load_firmware(sc, "otusfw_main", AR_FW_MAIN_ADDR);
|
|
|
|
if (error != 0) {
|
|
|
|
device_printf(sc->sc_dev, "%s: could not load %s firmware\n",
|
|
|
|
__func__, "main");
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
|
|
|
|
/* Tell device that firmware transfer is complete. */
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
|
|
req.bRequest = AR_FW_DOWNLOAD_COMPLETE;
|
|
|
|
USETW(req.wValue, 0);
|
|
|
|
USETW(req.wIndex, 0);
|
|
|
|
USETW(req.wLength, 0);
|
|
|
|
if (usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, &req, NULL,
|
|
|
|
0, NULL, 250) != 0) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: firmware initialization failed\n",
|
|
|
|
__func__);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Send an ECHO command to check that everything is settled. */
|
|
|
|
in = 0xbadc0ffe;
|
2015-09-27 03:46:55 +00:00
|
|
|
if (otus_cmd(sc, AR_CMD_ECHO, &in, sizeof in, &out, sizeof(out)) != 0) {
|
2015-09-26 07:08:35 +00:00
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: echo command failed\n", __func__);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
if (in != out) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: echo reply mismatch: 0x%08x!=0x%08x\n",
|
|
|
|
__func__, in, out);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read entire EEPROM. */
|
|
|
|
if (otus_read_eeprom(sc) != 0) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not read EEPROM\n",
|
|
|
|
__func__);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
|
|
|
|
sc->txmask = sc->eeprom.baseEepHeader.txMask;
|
|
|
|
sc->rxmask = sc->eeprom.baseEepHeader.rxMask;
|
|
|
|
sc->capflags = sc->eeprom.baseEepHeader.opCapFlags;
|
|
|
|
IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->eeprom.baseEepHeader.macAddr);
|
|
|
|
sc->sc_led_newstate = otus_led_newstate_type3; /* XXX */
|
|
|
|
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"MAC/BBP AR9170, RF AR%X, MIMO %dT%dR, address %s\n",
|
|
|
|
(sc->capflags & AR5416_OPFLAGS_11A) ?
|
|
|
|
0x9104 : ((sc->txmask == 0x5) ? 0x9102 : 0x9101),
|
|
|
|
(sc->txmask == 0x5) ? 2 : 1, (sc->rxmask == 0x5) ? 2 : 1,
|
|
|
|
ether_sprintf(ic->ic_macaddr));
|
|
|
|
|
|
|
|
ic->ic_softc = sc;
|
|
|
|
ic->ic_name = device_get_nameunit(sc->sc_dev);
|
|
|
|
ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
|
|
|
|
ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
|
|
|
|
|
|
|
|
/* Set device capabilities. */
|
|
|
|
ic->ic_caps =
|
|
|
|
IEEE80211_C_STA | /* station mode */
|
|
|
|
#if 0
|
|
|
|
IEEE80211_C_BGSCAN | /* Background scan. */
|
|
|
|
#endif
|
|
|
|
IEEE80211_C_SHPREAMBLE | /* Short preamble supported. */
|
|
|
|
IEEE80211_C_WME | /* WME/QoS */
|
|
|
|
IEEE80211_C_SHSLOT | /* Short slot time supported. */
|
|
|
|
IEEE80211_C_FF | /* Atheros fast-frames supported. */
|
2015-10-19 01:14:26 +00:00
|
|
|
IEEE80211_C_MONITOR |
|
2015-09-26 07:08:35 +00:00
|
|
|
IEEE80211_C_WPA; /* WPA/RSN. */
|
|
|
|
|
|
|
|
/* XXX TODO: 11n */
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11G) {
|
|
|
|
/* Set supported .11b and .11g rates. */
|
|
|
|
ic->ic_sup_rates[IEEE80211_MODE_11B] =
|
|
|
|
ieee80211_std_rateset_11b;
|
|
|
|
ic->ic_sup_rates[IEEE80211_MODE_11G] =
|
|
|
|
ieee80211_std_rateset_11g;
|
|
|
|
}
|
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11A) {
|
|
|
|
/* Set supported .11a rates. */
|
|
|
|
ic->ic_sup_rates[IEEE80211_MODE_11A] =
|
|
|
|
ieee80211_std_rateset_11a;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
/* Build the list of supported channels. */
|
|
|
|
otus_get_chanlist(sc);
|
|
|
|
#else
|
|
|
|
/* Set supported .11b and .11g rates. */
|
2016-01-07 18:41:03 +00:00
|
|
|
memset(bands, 0, sizeof(bands));
|
2015-09-26 07:08:35 +00:00
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11G) {
|
2016-01-07 18:41:03 +00:00
|
|
|
setbit(bands, IEEE80211_MODE_11B);
|
|
|
|
setbit(bands, IEEE80211_MODE_11G);
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11A) {
|
2016-01-07 18:41:03 +00:00
|
|
|
setbit(bands, IEEE80211_MODE_11A);
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
#if 0
|
|
|
|
if (sc->sc_ht)
|
2016-01-07 18:41:03 +00:00
|
|
|
setbit(bands, IEEE80211_MODE_11NG);
|
2015-09-26 07:08:35 +00:00
|
|
|
#endif
|
2016-01-07 18:41:03 +00:00
|
|
|
ieee80211_init_channels(ic, NULL, bands);
|
2015-09-26 07:08:35 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
ieee80211_ifattach(ic);
|
|
|
|
ic->ic_raw_xmit = otus_raw_xmit;
|
|
|
|
ic->ic_scan_start = otus_scan_start;
|
|
|
|
ic->ic_scan_end = otus_scan_end;
|
|
|
|
ic->ic_set_channel = otus_set_channel;
|
|
|
|
ic->ic_vap_create = otus_vap_create;
|
|
|
|
ic->ic_vap_delete = otus_vap_delete;
|
|
|
|
ic->ic_update_mcast = otus_update_mcast;
|
|
|
|
ic->ic_update_promisc = otus_update_mcast;
|
|
|
|
ic->ic_parent = otus_parent;
|
|
|
|
ic->ic_transmit = otus_transmit;
|
|
|
|
ic->ic_update_chw = otus_update_chw;
|
|
|
|
ic->ic_ampdu_enable = otus_ampdu_enable;
|
2015-11-05 17:58:18 +00:00
|
|
|
ic->ic_wme.wme_update = otus_updateedca;
|
2015-09-26 07:08:35 +00:00
|
|
|
ic->ic_newassoc = otus_newassoc;
|
2015-10-19 01:21:29 +00:00
|
|
|
ic->ic_node_alloc = otus_node_alloc;
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
#ifdef notyet
|
|
|
|
ic->ic_set_key = otus_set_key;
|
|
|
|
ic->ic_delete_key = otus_delete_key;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
ieee80211_radiotap_attach(ic, &sc->sc_txtap.wt_ihdr,
|
|
|
|
sizeof(sc->sc_txtap), OTUS_TX_RADIOTAP_PRESENT,
|
|
|
|
&sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
|
|
|
|
OTUS_RX_RADIOTAP_PRESENT);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_get_chanlist(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
uint16_t domain;
|
|
|
|
uint8_t chan;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* XXX regulatory domain. */
|
|
|
|
domain = le16toh(sc->eeprom.baseEepHeader.regDmn[0]);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET, "regdomain=0x%04x\n", domain);
|
|
|
|
|
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11G) {
|
|
|
|
for (i = 0; i < 14; i++) {
|
|
|
|
chan = ar_chans[i];
|
|
|
|
ic->ic_channels[chan].ic_freq =
|
|
|
|
ieee80211_ieee2mhz(chan, IEEE80211_CHAN_2GHZ);
|
|
|
|
ic->ic_channels[chan].ic_flags =
|
|
|
|
IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM |
|
|
|
|
IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (sc->eeprom.baseEepHeader.opCapFlags & AR5416_OPFLAGS_11A) {
|
|
|
|
for (i = 14; i < nitems(ar_chans); i++) {
|
|
|
|
chan = ar_chans[i];
|
|
|
|
ic->ic_channels[chan].ic_freq =
|
|
|
|
ieee80211_ieee2mhz(chan, IEEE80211_CHAN_5GHZ);
|
|
|
|
ic->ic_channels[chan].ic_flags = IEEE80211_CHAN_A;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_load_firmware(struct otus_softc *sc, const char *name, uint32_t addr)
|
|
|
|
{
|
|
|
|
usb_device_request_t req;
|
|
|
|
char *ptr;
|
|
|
|
const struct firmware *fw;
|
|
|
|
int mlen, error, size;
|
|
|
|
|
|
|
|
error = 0;
|
|
|
|
|
|
|
|
/* Read firmware image from the filesystem. */
|
|
|
|
if ((fw = firmware_get(name)) == NULL) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: failed loadfirmware of file %s\n", __func__, name);
|
|
|
|
return (ENXIO);
|
|
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
|
|
req.bRequest = AR_FW_DOWNLOAD;
|
|
|
|
USETW(req.wIndex, 0);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
|
|
|
|
/* XXX const */
|
|
|
|
ptr = __DECONST(char *, fw->data);
|
|
|
|
size = fw->datasize;
|
|
|
|
addr >>= 8;
|
|
|
|
while (size > 0) {
|
|
|
|
mlen = MIN(size, 4096);
|
|
|
|
|
|
|
|
USETW(req.wValue, addr);
|
|
|
|
USETW(req.wLength, mlen);
|
|
|
|
if (usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
|
|
|
|
&req, ptr, 0, NULL, 250) != 0) {
|
|
|
|
error = EIO;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
addr += mlen >> 8;
|
|
|
|
ptr += mlen;
|
|
|
|
size -= mlen;
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
|
|
|
|
firmware_put(fw, FIRMWARE_UNLOAD);
|
|
|
|
if (error != 0)
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: %s: error=%d\n", __func__, name, error);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_open_pipes(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
int isize, error;
|
|
|
|
int i;
|
|
|
|
#endif
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_UNLOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
if ((error = otus_alloc_tx_cmd_list(sc)) != 0) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not allocate command xfer\n",
|
|
|
|
__func__);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((error = otus_alloc_tx_list(sc)) != 0) {
|
|
|
|
device_printf(sc->sc_dev, "%s: could not allocate Tx xfers\n",
|
|
|
|
__func__);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((error = otus_alloc_rx_list(sc)) != 0) {
|
|
|
|
device_printf(sc->sc_dev, "%s: could not allocate Rx xfers\n",
|
|
|
|
__func__);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Enable RX transfers; needed for initial firmware messages */
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
usbd_transfer_start(sc->sc_xfer[OTUS_BULK_RX]);
|
|
|
|
usbd_transfer_start(sc->sc_xfer[OTUS_BULK_IRQ]);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail: otus_close_pipes(sc);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_close_pipes(struct otus_softc *sc)
|
|
|
|
{
|
2015-09-28 01:09:48 +00:00
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
2015-09-26 07:08:35 +00:00
|
|
|
otus_free_tx_cmd_list(sc);
|
|
|
|
otus_free_tx_list(sc);
|
|
|
|
otus_free_rx_list(sc);
|
2015-09-28 01:09:48 +00:00
|
|
|
OTUS_UNLOCK(sc);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, OTUS_N_XFER);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_cmd_list(struct otus_softc *sc, struct otus_tx_cmd cmd[], int ndata)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* XXX TODO: someone has to have waken up waiters! */
|
|
|
|
for (i = 0; i < ndata; i++) {
|
|
|
|
struct otus_tx_cmd *dp = &cmd[i];
|
|
|
|
|
|
|
|
if (dp->buf != NULL) {
|
|
|
|
free(dp->buf, M_USBDEV);
|
|
|
|
dp->buf = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_alloc_cmd_list(struct otus_softc *sc, struct otus_tx_cmd cmd[],
|
|
|
|
int ndata, int maxsz)
|
|
|
|
{
|
|
|
|
int i, error;
|
|
|
|
|
|
|
|
for (i = 0; i < ndata; i++) {
|
|
|
|
struct otus_tx_cmd *dp = &cmd[i];
|
|
|
|
dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT);
|
|
|
|
dp->odata = NULL;
|
|
|
|
if (dp->buf == NULL) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"could not allocate buffer\n");
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
fail:
|
|
|
|
otus_free_cmd_list(sc, cmd, ndata);
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_alloc_tx_cmd_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int error, i;
|
|
|
|
|
|
|
|
error = otus_alloc_cmd_list(sc, sc->sc_cmd, OTUS_CMD_LIST_COUNT,
|
|
|
|
OTUS_MAX_TXCMDSZ);
|
|
|
|
if (error != 0)
|
|
|
|
return (error);
|
|
|
|
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_active);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_inactive);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_pending);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_waiting);
|
|
|
|
|
|
|
|
for (i = 0; i < OTUS_CMD_LIST_COUNT; i++)
|
|
|
|
STAILQ_INSERT_HEAD(&sc->sc_cmd_inactive, &sc->sc_cmd[i],
|
|
|
|
next_cmd);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_tx_cmd_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX TODO: something needs to wake up any pending/sleeping
|
|
|
|
* waiters!
|
|
|
|
*/
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_active);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_inactive);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_pending);
|
|
|
|
STAILQ_INIT(&sc->sc_cmd_waiting);
|
|
|
|
|
|
|
|
otus_free_cmd_list(sc, sc->sc_cmd, OTUS_CMD_LIST_COUNT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_alloc_list(struct otus_softc *sc, struct otus_data data[],
|
|
|
|
int ndata, int maxsz)
|
|
|
|
{
|
|
|
|
int i, error;
|
|
|
|
|
|
|
|
for (i = 0; i < ndata; i++) {
|
|
|
|
struct otus_data *dp = &data[i];
|
|
|
|
dp->sc = sc;
|
|
|
|
dp->m = NULL;
|
|
|
|
dp->buf = malloc(maxsz, M_USBDEV, M_NOWAIT);
|
|
|
|
if (dp->buf == NULL) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"could not allocate buffer\n");
|
|
|
|
error = ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
dp->ni = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
fail:
|
|
|
|
otus_free_list(sc, data, ndata);
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_alloc_rx_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int error, i;
|
|
|
|
|
|
|
|
error = otus_alloc_list(sc, sc->sc_rx, OTUS_RX_LIST_COUNT,
|
|
|
|
OTUS_RXBUFSZ);
|
|
|
|
if (error != 0)
|
|
|
|
return (error);
|
|
|
|
|
|
|
|
STAILQ_INIT(&sc->sc_rx_active);
|
|
|
|
STAILQ_INIT(&sc->sc_rx_inactive);
|
|
|
|
|
|
|
|
for (i = 0; i < OTUS_RX_LIST_COUNT; i++)
|
|
|
|
STAILQ_INSERT_HEAD(&sc->sc_rx_inactive, &sc->sc_rx[i], next);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_alloc_tx_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int error, i;
|
|
|
|
|
|
|
|
error = otus_alloc_list(sc, sc->sc_tx, OTUS_TX_LIST_COUNT,
|
|
|
|
OTUS_TXBUFSZ);
|
|
|
|
if (error != 0)
|
|
|
|
return (error);
|
|
|
|
|
|
|
|
STAILQ_INIT(&sc->sc_tx_inactive);
|
|
|
|
|
|
|
|
for (i = 0; i != OTUS_N_XFER; i++) {
|
|
|
|
STAILQ_INIT(&sc->sc_tx_active[i]);
|
|
|
|
STAILQ_INIT(&sc->sc_tx_pending[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < OTUS_TX_LIST_COUNT; i++) {
|
|
|
|
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, &sc->sc_tx[i], next);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_tx_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* prevent further allocations from TX list(s) */
|
|
|
|
STAILQ_INIT(&sc->sc_tx_inactive);
|
|
|
|
|
|
|
|
for (i = 0; i != OTUS_N_XFER; i++) {
|
|
|
|
STAILQ_INIT(&sc->sc_tx_active[i]);
|
|
|
|
STAILQ_INIT(&sc->sc_tx_pending[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
otus_free_list(sc, sc->sc_tx, OTUS_TX_LIST_COUNT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_rx_list(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
/* prevent further allocations from RX list(s) */
|
|
|
|
STAILQ_INIT(&sc->sc_rx_inactive);
|
|
|
|
STAILQ_INIT(&sc->sc_rx_active);
|
|
|
|
|
|
|
|
otus_free_list(sc, sc->sc_rx, OTUS_RX_LIST_COUNT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_list(struct otus_softc *sc, struct otus_data data[], int ndata)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ndata; i++) {
|
|
|
|
struct otus_data *dp = &data[i];
|
|
|
|
|
|
|
|
if (dp->buf != NULL) {
|
|
|
|
free(dp->buf, M_USBDEV);
|
|
|
|
dp->buf = NULL;
|
|
|
|
}
|
|
|
|
if (dp->ni != NULL) {
|
|
|
|
ieee80211_free_node(dp->ni);
|
|
|
|
dp->ni = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct otus_data *
|
|
|
|
_otus_getbuf(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct otus_data *bf;
|
|
|
|
|
|
|
|
bf = STAILQ_FIRST(&sc->sc_tx_inactive);
|
|
|
|
if (bf != NULL)
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next);
|
|
|
|
else
|
|
|
|
bf = NULL;
|
|
|
|
return (bf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct otus_data *
|
|
|
|
otus_getbuf(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct otus_data *bf;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
bf = _otus_getbuf(sc);
|
|
|
|
return (bf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_freebuf(struct otus_softc *sc, struct otus_data *bf)
|
|
|
|
{
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, bf, next);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct otus_tx_cmd *
|
|
|
|
_otus_get_txcmd(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct otus_tx_cmd *bf;
|
|
|
|
|
|
|
|
bf = STAILQ_FIRST(&sc->sc_cmd_inactive);
|
|
|
|
if (bf != NULL)
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_cmd_inactive, next_cmd);
|
|
|
|
else
|
|
|
|
bf = NULL;
|
|
|
|
return (bf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct otus_tx_cmd *
|
|
|
|
otus_get_txcmd(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct otus_tx_cmd *bf;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
bf = _otus_get_txcmd(sc);
|
|
|
|
if (bf == NULL) {
|
|
|
|
device_printf(sc->sc_dev, "%s: no tx cmd buffers\n",
|
|
|
|
__func__);
|
|
|
|
}
|
|
|
|
return (bf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_free_txcmd(struct otus_softc *sc, struct otus_tx_cmd *bf)
|
|
|
|
{
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_cmd_inactive, bf, next_cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_next_scan(void *arg, int pending)
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
struct otus_softc *sc = arg;
|
|
|
|
|
|
|
|
if (usbd_is_dying(sc->sc_udev))
|
|
|
|
return;
|
|
|
|
|
|
|
|
usbd_ref_incr(sc->sc_udev);
|
|
|
|
|
|
|
|
if (sc->sc_ic.ic_state == IEEE80211_S_SCAN)
|
|
|
|
ieee80211_next_scan(&sc->sc_ic.ic_if);
|
|
|
|
|
|
|
|
usbd_ref_decr(sc->sc_udev);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
|
|
|
|
{
|
|
|
|
struct otus_vap *uvp = OTUS_VAP(vap);
|
|
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
enum ieee80211_state ostate;
|
|
|
|
|
|
|
|
ostate = vap->iv_state;
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_STATE, "%s: %s -> %s\n", __func__,
|
|
|
|
ieee80211_state_name[ostate],
|
|
|
|
ieee80211_state_name[nstate]);
|
|
|
|
|
|
|
|
IEEE80211_UNLOCK(ic);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
|
|
|
|
/* XXX TODO: more fleshing out! */
|
|
|
|
|
|
|
|
switch (nstate) {
|
|
|
|
case IEEE80211_S_RUN:
|
|
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
|
|
|
|
|
|
if (ic->ic_opmode == IEEE80211_M_STA) {
|
|
|
|
otus_updateslot(sc);
|
|
|
|
otus_set_bssid(sc, ni->ni_bssid);
|
|
|
|
|
|
|
|
/* Start calibration timer. */
|
|
|
|
taskqueue_enqueue_timeout(taskqueue_thread,
|
|
|
|
&sc->calib_to, hz);
|
|
|
|
}
|
2015-10-23 02:09:23 +00:00
|
|
|
ieee80211_free_node(ni);
|
2015-09-26 07:08:35 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* XXX TODO: calibration? */
|
|
|
|
|
|
|
|
sc->sc_led_newstate(sc);
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
IEEE80211_LOCK(ic);
|
|
|
|
return (uvp->newstate(vap, nstate, arg));
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_cmd(struct otus_softc *sc, uint8_t code, const void *idata, int ilen,
|
2015-09-27 03:46:55 +00:00
|
|
|
void *odata, int odatalen)
|
2015-09-26 07:08:35 +00:00
|
|
|
{
|
|
|
|
struct otus_tx_cmd *cmd;
|
|
|
|
struct ar_cmd_hdr *hdr;
|
|
|
|
int xferlen, error;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
/* Always bulk-out a multiple of 4 bytes. */
|
|
|
|
xferlen = (sizeof (*hdr) + ilen + 3) & ~3;
|
2015-09-26 07:14:00 +00:00
|
|
|
if (xferlen > OTUS_MAX_TXCMDSZ) {
|
|
|
|
device_printf(sc->sc_dev, "%s: command (0x%02x) size (%d) > %d\n",
|
|
|
|
__func__,
|
|
|
|
code,
|
|
|
|
xferlen,
|
|
|
|
OTUS_MAX_TXCMDSZ);
|
|
|
|
return (EIO);
|
|
|
|
}
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
cmd = otus_get_txcmd(sc);
|
|
|
|
if (cmd == NULL) {
|
|
|
|
device_printf(sc->sc_dev, "%s: failed to get buf\n",
|
|
|
|
__func__);
|
|
|
|
return (EIO);
|
|
|
|
}
|
|
|
|
|
|
|
|
hdr = (struct ar_cmd_hdr *)cmd->buf;
|
|
|
|
hdr->code = code;
|
|
|
|
hdr->len = ilen;
|
|
|
|
hdr->token = ++sc->token; /* Don't care about endianness. */
|
|
|
|
cmd->token = hdr->token;
|
|
|
|
/* XXX TODO: check max cmd length? */
|
|
|
|
memcpy((uint8_t *)&hdr[1], idata, ilen);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMD,
|
|
|
|
"%s: sending command code=0x%02x len=%d token=%d\n",
|
|
|
|
__func__, code, ilen, hdr->token);
|
|
|
|
|
|
|
|
cmd->odata = odata;
|
2015-09-27 03:46:55 +00:00
|
|
|
cmd->odatalen = odatalen;
|
2015-09-26 07:08:35 +00:00
|
|
|
cmd->buflen = xferlen;
|
|
|
|
|
|
|
|
/* Queue the command to the endpoint */
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_cmd_pending, cmd, next_cmd);
|
|
|
|
usbd_transfer_start(sc->sc_xfer[OTUS_BULK_CMD]);
|
|
|
|
|
|
|
|
/* Sleep on the command; wait for it to complete */
|
|
|
|
error = msleep(cmd, &sc->sc_mtx, PCATCH, "otuscmd", hz);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* At this point we don't own cmd any longer; it'll be
|
|
|
|
* freed by the cmd bulk path or the RX notification
|
|
|
|
* path. If the data is made available then it'll be copied
|
|
|
|
* to the caller. All that is left to do is communicate
|
|
|
|
* status back to the caller.
|
|
|
|
*/
|
|
|
|
if (error != 0) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: timeout waiting for command 0x%02x reply\n",
|
|
|
|
__func__, code);
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_write(struct otus_softc *sc, uint32_t reg, uint32_t val)
|
|
|
|
{
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
sc->write_buf[sc->write_idx].reg = htole32(reg);
|
|
|
|
sc->write_buf[sc->write_idx].val = htole32(val);
|
|
|
|
|
2015-09-26 07:14:00 +00:00
|
|
|
if (++sc->write_idx > (AR_MAX_WRITE_IDX-1))
|
2015-09-26 07:08:35 +00:00
|
|
|
(void)otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_write_barrier(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
if (sc->write_idx == 0)
|
|
|
|
return 0; /* Nothing to flush. */
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_REGIO, "%s: called; %d updates\n",
|
|
|
|
__func__,
|
|
|
|
sc->write_idx);
|
|
|
|
|
|
|
|
error = otus_cmd(sc, AR_CMD_WREG, sc->write_buf,
|
2015-09-27 03:46:55 +00:00
|
|
|
sizeof (sc->write_buf[0]) * sc->write_idx, NULL, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
sc->write_idx = 0;
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
2015-10-19 01:21:29 +00:00
|
|
|
static struct ieee80211_node *
|
|
|
|
otus_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
|
2015-09-26 07:08:35 +00:00
|
|
|
{
|
2015-10-19 01:21:29 +00:00
|
|
|
|
|
|
|
return malloc(sizeof (struct otus_node), M_80211_NODE,
|
|
|
|
M_NOWAIT | M_ZERO);
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
int
|
|
|
|
otus_media_change(struct ifnet *ifp)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ifp->if_softc;
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
uint8_t rate, ridx;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = ieee80211_media_change(ifp);
|
|
|
|
if (error != ENETRESET)
|
|
|
|
return error;
|
|
|
|
|
|
|
|
if (ic->ic_fixed_rate != -1) {
|
|
|
|
rate = ic->ic_sup_rates[ic->ic_curmode].
|
|
|
|
rs_rates[ic->ic_fixed_rate] & IEEE80211_RATE_VAL;
|
|
|
|
for (ridx = 0; ridx <= OTUS_RIDX_MAX; ridx++)
|
|
|
|
if (otus_rates[ridx].rate == rate)
|
|
|
|
break;
|
|
|
|
sc->fixed_ridx = ridx;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING))
|
|
|
|
error = otus_init(sc);
|
|
|
|
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_read_eeprom(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
uint32_t regs[8], reg;
|
|
|
|
uint8_t *eep;
|
|
|
|
int i, j, error;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
/* Read EEPROM by blocks of 32 bytes. */
|
|
|
|
eep = (uint8_t *)&sc->eeprom;
|
|
|
|
reg = AR_EEPROM_OFFSET;
|
|
|
|
for (i = 0; i < sizeof (sc->eeprom) / 32; i++) {
|
|
|
|
for (j = 0; j < 8; j++, reg += 4)
|
|
|
|
regs[j] = htole32(reg);
|
2015-09-27 03:46:55 +00:00
|
|
|
error = otus_cmd(sc, AR_CMD_RREG, regs, sizeof regs, eep, 32);
|
2015-09-26 07:08:35 +00:00
|
|
|
if (error != 0)
|
|
|
|
break;
|
|
|
|
eep += 32;
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_newassoc(struct ieee80211_node *ni, int isnew)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
struct otus_node *on = OTUS_NODE(ni);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_STATE, "new assoc isnew=%d addr=%s\n",
|
|
|
|
isnew, ether_sprintf(ni->ni_macaddr));
|
|
|
|
|
|
|
|
on->tx_done = 0;
|
|
|
|
on->tx_err = 0;
|
|
|
|
on->tx_retries = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_cmd_handle_response(struct otus_softc *sc, struct ar_cmd_hdr *hdr)
|
|
|
|
{
|
|
|
|
struct otus_tx_cmd *cmd;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"%s: received reply code=0x%02x len=%d token=%d\n",
|
|
|
|
__func__,
|
|
|
|
hdr->code, hdr->len, hdr->token);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Walk the list, freeing items that aren't ours,
|
|
|
|
* stopping when we hit our token.
|
|
|
|
*/
|
|
|
|
while ((cmd = STAILQ_FIRST(&sc->sc_cmd_waiting)) != NULL) {
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_cmd_waiting, next_cmd);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"%s: cmd=%p; hdr.token=%d, cmd.token=%d\n",
|
|
|
|
__func__,
|
|
|
|
cmd,
|
|
|
|
(int) hdr->token,
|
|
|
|
(int) cmd->token);
|
|
|
|
if (hdr->token == cmd->token) {
|
|
|
|
/* Copy answer into caller's supplied buffer. */
|
2015-09-27 03:46:55 +00:00
|
|
|
if (cmd->odata != NULL) {
|
|
|
|
if (hdr->len != cmd->odatalen) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: code 0x%02x, len=%d, olen=%d\n",
|
|
|
|
__func__,
|
|
|
|
(int) hdr->code,
|
|
|
|
(int) hdr->len,
|
|
|
|
(int) cmd->odatalen);
|
|
|
|
}
|
|
|
|
memcpy(cmd->odata, &hdr[1],
|
|
|
|
MIN(cmd->odatalen, hdr->len));
|
|
|
|
}
|
2015-09-26 07:08:35 +00:00
|
|
|
wakeup(cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_cmd_inactive, cmd, next_cmd);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_cmd_rxeof(struct otus_softc *sc, uint8_t *buf, int len)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ar_cmd_hdr *hdr;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
if (__predict_false(len < sizeof (*hdr))) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"cmd too small %d\n", len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
hdr = (struct ar_cmd_hdr *)buf;
|
|
|
|
if (__predict_false(sizeof (*hdr) + hdr->len > len ||
|
|
|
|
sizeof (*hdr) + hdr->len > 64)) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"cmd too large %d\n", hdr->len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE,
|
|
|
|
"%s: code=%.02x\n",
|
|
|
|
__func__,
|
|
|
|
hdr->code);
|
|
|
|
|
|
|
|
/*
|
2015-09-27 03:46:55 +00:00
|
|
|
* This has to reach into the cmd queue "waiting for
|
2015-09-26 07:08:35 +00:00
|
|
|
* an RX response" list, grab the head entry and check
|
2015-09-27 03:46:55 +00:00
|
|
|
* if we need to wake anyone up.
|
2015-09-26 07:08:35 +00:00
|
|
|
*/
|
|
|
|
if ((hdr->code & 0xc0) != 0xc0) {
|
|
|
|
otus_cmd_handle_response(sc, hdr);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Received unsolicited notification. */
|
|
|
|
switch (hdr->code & 0x3f) {
|
|
|
|
case AR_EVT_BEACON:
|
|
|
|
break;
|
|
|
|
case AR_EVT_TX_COMP:
|
|
|
|
{
|
|
|
|
struct ar_evt_tx_comp *tx = (struct ar_evt_tx_comp *)&hdr[1];
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
|
|
|
|
ni = ieee80211_find_node(&ic->ic_sta, tx->macaddr);
|
|
|
|
if (ni == NULL) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: txcomp on unknown node (%s)\n",
|
|
|
|
__func__,
|
|
|
|
ether_sprintf(tx->macaddr));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_TXCOMP,
|
|
|
|
"tx completed %s status=%d phy=0x%x\n",
|
|
|
|
ether_sprintf(tx->macaddr), le16toh(tx->status),
|
|
|
|
le32toh(tx->phy));
|
|
|
|
|
|
|
|
switch (le16toh(tx->status)) {
|
|
|
|
case AR_TX_STATUS_COMP:
|
|
|
|
#if 0
|
|
|
|
ackfailcnt = 0;
|
|
|
|
ieee80211_ratectl_tx_complete(ni->ni_vap, ni,
|
|
|
|
IEEE80211_RATECTL_TX_SUCCESS, &ackfailcnt, NULL);
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
* We don't get the above; only error notifications.
|
|
|
|
* Sigh. So, don't worry about this.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
case AR_TX_STATUS_RETRY_COMP:
|
|
|
|
OTUS_NODE(ni)->tx_retries++;
|
|
|
|
break;
|
|
|
|
case AR_TX_STATUS_FAILED:
|
|
|
|
OTUS_NODE(ni)->tx_err++;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ieee80211_free_node(ni);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case AR_EVT_TBTT:
|
|
|
|
break;
|
|
|
|
case AR_EVT_DO_BB_RESET:
|
|
|
|
/*
|
|
|
|
* This is "tell driver to reset baseband" from ar9170-fw.
|
|
|
|
*
|
|
|
|
* I'm not sure what we should do here, so I'm going to
|
|
|
|
* fall through; it gets generated when RTSRetryCnt internally
|
|
|
|
* reaches '5' - I guess the firmware authors thought that
|
|
|
|
* meant that the BB may have gone deaf or something.
|
|
|
|
*/
|
|
|
|
default:
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: received notification code=0x%02x len=%d\n",
|
|
|
|
__func__,
|
|
|
|
hdr->code, hdr->len);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_sub_rxeof(struct otus_softc *sc, uint8_t *buf, int len, struct mbufq *rxq)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ieee80211_rx_stats rxs;
|
|
|
|
#if 0
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
#endif
|
|
|
|
struct ar_rx_tail *tail;
|
|
|
|
struct ieee80211_frame *wh;
|
|
|
|
struct mbuf *m;
|
|
|
|
uint8_t *plcp;
|
|
|
|
// int s;
|
|
|
|
int mlen;
|
|
|
|
|
|
|
|
if (__predict_false(len < AR_PLCP_HDR_LEN)) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE,
|
|
|
|
"sub-xfer too short %d\n", len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
plcp = buf;
|
|
|
|
|
|
|
|
/* All bits in the PLCP header are set to 1 for non-MPDU. */
|
|
|
|
if (memcmp(plcp, AR_PLCP_HDR_INTR, AR_PLCP_HDR_LEN) == 0) {
|
|
|
|
otus_cmd_rxeof(sc, plcp + AR_PLCP_HDR_LEN,
|
|
|
|
len - AR_PLCP_HDR_LEN);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Received MPDU. */
|
|
|
|
if (__predict_false(len < AR_PLCP_HDR_LEN + sizeof (*tail))) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE, "MPDU too short %d\n", len);
|
|
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
tail = (struct ar_rx_tail *)(plcp + len - sizeof (*tail));
|
|
|
|
|
2015-10-27 00:57:06 +00:00
|
|
|
/* Discard error frames; don't discard BAD_RA (eg monitor mode); let net80211 do that */
|
|
|
|
if (__predict_false((tail->error & ~AR_RX_ERROR_BAD_RA) != 0)) {
|
2015-09-26 07:08:35 +00:00
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE, "error frame 0x%02x\n", tail->error);
|
|
|
|
if (tail->error & AR_RX_ERROR_FCS) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE, "bad FCS\n");
|
|
|
|
} else if (tail->error & AR_RX_ERROR_MMIC) {
|
|
|
|
/* Report Michael MIC failures to net80211. */
|
|
|
|
#if 0
|
|
|
|
ieee80211_notify_michael_failure(ni->ni_vap, wh, keyidx);
|
|
|
|
#endif
|
|
|
|
device_printf(sc->sc_dev, "%s: MIC failure\n", __func__);
|
|
|
|
}
|
|
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* Compute MPDU's length. */
|
|
|
|
mlen = len - AR_PLCP_HDR_LEN - sizeof (*tail);
|
|
|
|
/* Make sure there's room for an 802.11 header + FCS. */
|
|
|
|
if (__predict_false(mlen < IEEE80211_MIN_LEN)) {
|
|
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
mlen -= IEEE80211_CRC_LEN; /* strip 802.11 FCS */
|
|
|
|
|
|
|
|
wh = (struct ieee80211_frame *)(plcp + AR_PLCP_HDR_LEN);
|
|
|
|
|
2015-10-27 00:57:06 +00:00
|
|
|
/*
|
|
|
|
* TODO: I see > 2KiB buffers in this path; is it A-MSDU or something?
|
|
|
|
*/
|
2015-09-26 07:08:35 +00:00
|
|
|
m = m_get2(mlen, M_NOWAIT, MT_DATA, M_PKTHDR);
|
|
|
|
if (m == NULL) {
|
2015-10-27 00:57:06 +00:00
|
|
|
device_printf(sc->sc_dev, "%s: failed m_get2() (mlen=%d)\n", __func__, mlen);
|
2015-09-26 07:08:35 +00:00
|
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
2015-10-27 00:57:06 +00:00
|
|
|
return;
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Finalize mbuf. */
|
|
|
|
memcpy(mtod(m, uint8_t *), wh, mlen);
|
|
|
|
m->m_pkthdr.len = m->m_len = mlen;
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
if (__predict_false(sc->sc_drvbpf != NULL)) {
|
|
|
|
struct otus_rx_radiotap_header *tap = &sc->sc_rxtap;
|
|
|
|
struct mbuf mb;
|
|
|
|
|
|
|
|
tap->wr_flags = 0;
|
|
|
|
tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq);
|
|
|
|
tap->wr_chan_flags = htole16(ic->ic_ibss_chan->ic_flags);
|
|
|
|
tap->wr_antsignal = tail->rssi;
|
|
|
|
tap->wr_rate = 2; /* In case it can't be found below. */
|
|
|
|
switch (tail->status & AR_RX_STATUS_MT_MASK) {
|
|
|
|
case AR_RX_STATUS_MT_CCK:
|
|
|
|
switch (plcp[0]) {
|
|
|
|
case 10: tap->wr_rate = 2; break;
|
|
|
|
case 20: tap->wr_rate = 4; break;
|
|
|
|
case 55: tap->wr_rate = 11; break;
|
|
|
|
case 110: tap->wr_rate = 22; break;
|
|
|
|
}
|
|
|
|
if (tail->status & AR_RX_STATUS_SHPREAMBLE)
|
|
|
|
tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
|
|
|
|
break;
|
|
|
|
case AR_RX_STATUS_MT_OFDM:
|
|
|
|
switch (plcp[0] & 0xf) {
|
|
|
|
case 0xb: tap->wr_rate = 12; break;
|
|
|
|
case 0xf: tap->wr_rate = 18; break;
|
|
|
|
case 0xa: tap->wr_rate = 24; break;
|
|
|
|
case 0xe: tap->wr_rate = 36; break;
|
|
|
|
case 0x9: tap->wr_rate = 48; break;
|
|
|
|
case 0xd: tap->wr_rate = 72; break;
|
|
|
|
case 0x8: tap->wr_rate = 96; break;
|
|
|
|
case 0xc: tap->wr_rate = 108; break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
mb.m_data = (caddr_t)tap;
|
|
|
|
mb.m_next = m;
|
|
|
|
mb.m_nextpkt = NULL;
|
|
|
|
mb.m_type = 0;
|
|
|
|
mb.m_flags = 0;
|
|
|
|
bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Add RSSI/NF to this mbuf */
|
|
|
|
bzero(&rxs, sizeof(rxs));
|
|
|
|
rxs.r_flags = IEEE80211_R_NF | IEEE80211_R_RSSI;
|
|
|
|
rxs.nf = sc->sc_nf[0]; /* XXX chain 0 != combined rssi/nf */
|
|
|
|
rxs.rssi = tail->rssi;
|
|
|
|
/* XXX TODO: add MIMO RSSI/NF as well */
|
|
|
|
ieee80211_add_rx_params(m, &rxs);
|
|
|
|
|
|
|
|
/* XXX make a method */
|
|
|
|
STAILQ_INSERT_TAIL(&rxq->mq_head, m, m_stailqpkt);
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
ni = ieee80211_find_rxnode(ic, wh);
|
|
|
|
rxi.rxi_flags = 0;
|
|
|
|
rxi.rxi_rssi = tail->rssi;
|
|
|
|
rxi.rxi_tstamp = 0; /* unused */
|
|
|
|
ieee80211_input(ifp, m, ni, &rxi);
|
|
|
|
|
|
|
|
/* Node is no longer needed. */
|
|
|
|
ieee80211_release_node(ic, ni);
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_rxeof(struct usb_xfer *xfer, struct otus_data *data, struct mbufq *rxq)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
caddr_t buf = data->buf;
|
|
|
|
struct ar_rx_head *head;
|
|
|
|
uint16_t hlen;
|
|
|
|
int len;
|
|
|
|
|
|
|
|
usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
|
|
|
|
|
|
|
|
while (len >= sizeof (*head)) {
|
|
|
|
head = (struct ar_rx_head *)buf;
|
|
|
|
if (__predict_false(head->tag != htole16(AR_RX_HEAD_TAG))) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE,
|
|
|
|
"tag not valid 0x%x\n", le16toh(head->tag));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
hlen = le16toh(head->len);
|
|
|
|
if (__predict_false(sizeof (*head) + hlen > len)) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RXDONE,
|
|
|
|
"xfer too short %d/%d\n", len, hlen);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/* Process sub-xfer. */
|
|
|
|
otus_sub_rxeof(sc, (uint8_t *)&head[1], hlen, rxq);
|
|
|
|
|
|
|
|
/* Next sub-xfer is aligned on a 32-bit boundary. */
|
|
|
|
hlen = (sizeof (*head) + hlen + 3) & ~3;
|
|
|
|
buf += hlen;
|
|
|
|
len -= hlen;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ieee80211_frame *wh;
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
struct mbuf *m;
|
|
|
|
struct mbufq scrx;
|
|
|
|
struct otus_data *data;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
mbufq_init(&scrx, 1024);
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
device_printf(sc->sc_dev, "%s: called; state=%d; error=%d\n",
|
|
|
|
__func__,
|
|
|
|
USB_GET_STATE(xfer),
|
|
|
|
error);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
data = STAILQ_FIRST(&sc->sc_rx_active);
|
|
|
|
if (data == NULL)
|
|
|
|
goto tr_setup;
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
|
|
|
|
otus_rxeof(xfer, data, &scrx);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case USB_ST_SETUP:
|
|
|
|
tr_setup:
|
|
|
|
/*
|
|
|
|
* XXX TODO: what if sc_rx isn't empty, but data
|
|
|
|
* is empty? Then we leak mbufs.
|
|
|
|
*/
|
|
|
|
data = STAILQ_FIRST(&sc->sc_rx_inactive);
|
|
|
|
if (data == NULL) {
|
|
|
|
//KASSERT(m == NULL, ("mbuf isn't NULL"));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next);
|
|
|
|
usbd_xfer_set_frame_data(xfer, 0, data->buf,
|
|
|
|
usbd_xfer_max_len(xfer));
|
|
|
|
usbd_transfer_submit(xfer);
|
|
|
|
/*
|
|
|
|
* To avoid LOR we should unlock our private mutex here to call
|
|
|
|
* ieee80211_input() because here is at the end of a USB
|
|
|
|
* callback and safe to unlock.
|
|
|
|
*/
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
while ((m = mbufq_dequeue(&scrx)) != NULL) {
|
|
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
|
|
ni = ieee80211_find_rxnode(ic,
|
|
|
|
(struct ieee80211_frame_min *)wh);
|
|
|
|
if (ni != NULL) {
|
|
|
|
if (ni->ni_flags & IEEE80211_NODE_HT)
|
|
|
|
m->m_flags |= M_AMPDU;
|
|
|
|
(void)ieee80211_input_mimo(ni, m, NULL);
|
|
|
|
ieee80211_free_node(ni);
|
|
|
|
} else
|
|
|
|
(void)ieee80211_input_mimo_all(ic, m, NULL);
|
|
|
|
}
|
2015-09-28 01:09:48 +00:00
|
|
|
#ifdef IEEE80211_SUPPORT_SUPERG
|
|
|
|
ieee80211_ff_age_all(ic, 100);
|
|
|
|
#endif
|
2015-09-26 07:08:35 +00:00
|
|
|
OTUS_LOCK(sc);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* needs it to the inactive queue due to a error. */
|
|
|
|
data = STAILQ_FIRST(&sc->sc_rx_active);
|
|
|
|
if (data != NULL) {
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
|
|
|
|
}
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
|
|
usbd_xfer_set_stall(xfer);
|
|
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
|
|
goto tr_setup;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_txeof(struct usb_xfer *xfer, struct otus_data *data)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_TXDONE,
|
|
|
|
"%s: called; data=%p\n", __func__, data);
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
2015-09-28 01:09:48 +00:00
|
|
|
if (sc->sc_tx_n_active == 0) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: completed but tx_active=0\n",
|
|
|
|
__func__);
|
|
|
|
} else {
|
|
|
|
sc->sc_tx_n_active--;
|
|
|
|
}
|
|
|
|
|
2015-09-26 07:08:35 +00:00
|
|
|
if (data->m) {
|
|
|
|
/* XXX status? */
|
|
|
|
/* XXX we get TX status via the RX path.. */
|
|
|
|
ieee80211_tx_complete(data->ni, data->m, 0);
|
|
|
|
data->m = NULL;
|
|
|
|
data->ni = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_txcmdeof(struct usb_xfer *xfer, struct otus_tx_cmd *cmd)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"%s: called; data=%p; odata=%p\n",
|
|
|
|
__func__, cmd, cmd->odata);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Non-response commands still need wakeup so the caller
|
|
|
|
* knows it was submitted and completed OK; response commands should
|
|
|
|
* wait until they're ACKed by the firmware with a response.
|
|
|
|
*/
|
|
|
|
if (cmd->odata) {
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_cmd_waiting, cmd, next_cmd);
|
|
|
|
} else {
|
|
|
|
wakeup(cmd);
|
|
|
|
otus_free_txcmd(sc, cmd);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
|
|
{
|
|
|
|
uint8_t which = OTUS_BULK_TX;
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct otus_data *data;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
data = STAILQ_FIRST(&sc->sc_tx_active[which]);
|
|
|
|
if (data == NULL)
|
|
|
|
goto tr_setup;
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_TXDONE,
|
|
|
|
"%s: transfer done %p\n", __func__, data);
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next);
|
|
|
|
otus_txeof(xfer, data);
|
|
|
|
otus_freebuf(sc, data);
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case USB_ST_SETUP:
|
|
|
|
tr_setup:
|
|
|
|
data = STAILQ_FIRST(&sc->sc_tx_pending[which]);
|
|
|
|
if (data == NULL) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: empty pending queue sc %p\n", __func__, sc);
|
2015-09-28 01:09:48 +00:00
|
|
|
sc->sc_tx_n_active = 0;
|
2015-09-26 07:08:35 +00:00
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_pending[which], next);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_active[which], data, next);
|
|
|
|
usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: submitting transfer %p\n", __func__, data);
|
|
|
|
usbd_transfer_submit(xfer);
|
2015-09-28 01:09:48 +00:00
|
|
|
sc->sc_tx_n_active++;
|
2015-09-26 07:08:35 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
data = STAILQ_FIRST(&sc->sc_tx_active[which]);
|
|
|
|
if (data != NULL) {
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_active[which], next);
|
|
|
|
otus_txeof(xfer, data);
|
|
|
|
otus_freebuf(sc, data);
|
|
|
|
}
|
|
|
|
counter_u64_add(ic->ic_oerrors, 1);
|
|
|
|
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
|
|
usbd_xfer_set_stall(xfer);
|
|
|
|
goto tr_setup;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
finish:
|
2015-09-28 01:09:48 +00:00
|
|
|
#ifdef IEEE80211_SUPPORT_SUPERG
|
|
|
|
/*
|
|
|
|
* If the TX active queue drops below a certain
|
|
|
|
* threshold, ensure we age fast-frames out so they're
|
|
|
|
* transmitted.
|
|
|
|
*/
|
|
|
|
if (sc->sc_tx_n_active < 2) {
|
|
|
|
/* XXX ew - net80211 should defer this for us! */
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
ieee80211_ff_flush(ic, WME_AC_VO);
|
|
|
|
ieee80211_ff_flush(ic, WME_AC_VI);
|
|
|
|
ieee80211_ff_flush(ic, WME_AC_BE);
|
|
|
|
ieee80211_ff_flush(ic, WME_AC_BK);
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
}
|
|
|
|
#endif
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Kick TX */
|
|
|
|
otus_tx_start(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_bulk_cmd_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
#if 0
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
#endif
|
|
|
|
struct otus_tx_cmd *cmd;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
cmd = STAILQ_FIRST(&sc->sc_cmd_active);
|
|
|
|
if (cmd == NULL)
|
|
|
|
goto tr_setup;
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMDDONE,
|
|
|
|
"%s: transfer done %p\n", __func__, cmd);
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_cmd_active, next_cmd);
|
|
|
|
otus_txcmdeof(xfer, cmd);
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case USB_ST_SETUP:
|
|
|
|
tr_setup:
|
|
|
|
cmd = STAILQ_FIRST(&sc->sc_cmd_pending);
|
|
|
|
if (cmd == NULL) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMD,
|
|
|
|
"%s: empty pending queue sc %p\n", __func__, sc);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_cmd_pending, next_cmd);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_cmd_active, cmd, next_cmd);
|
|
|
|
usbd_xfer_set_frame_data(xfer, 0, cmd->buf, cmd->buflen);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_CMD,
|
|
|
|
"%s: submitting transfer %p; buf=%p, buflen=%d\n", __func__, cmd, cmd->buf, cmd->buflen);
|
|
|
|
usbd_transfer_submit(xfer);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
cmd = STAILQ_FIRST(&sc->sc_cmd_active);
|
|
|
|
if (cmd != NULL) {
|
|
|
|
STAILQ_REMOVE_HEAD(&sc->sc_cmd_active, next_cmd);
|
|
|
|
otus_txcmdeof(xfer, cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
|
|
usbd_xfer_set_stall(xfer);
|
|
|
|
goto tr_setup;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This isn't used by carl9170; it however may be used by the
|
|
|
|
* initial bootloader.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
otus_bulk_irq_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = usbd_xfer_softc(xfer);
|
|
|
|
int actlen;
|
|
|
|
int sumlen;
|
|
|
|
|
|
|
|
usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_IRQ,
|
|
|
|
"%s: called; state=%d\n", __func__, USB_GET_STATE(xfer));
|
|
|
|
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
/*
|
|
|
|
* Read usb frame data, if any.
|
|
|
|
* "actlen" has the total length for all frames
|
|
|
|
* transferred.
|
|
|
|
*/
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_IRQ,
|
|
|
|
"%s: comp; %d bytes\n",
|
|
|
|
__func__,
|
|
|
|
actlen);
|
|
|
|
#if 0
|
|
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
|
|
otus_dump_usb_rx_page(sc, pc, actlen);
|
|
|
|
#endif
|
|
|
|
/* XXX fallthrough */
|
|
|
|
case USB_ST_SETUP:
|
|
|
|
/*
|
|
|
|
* Setup xfer frame lengths/count and data
|
|
|
|
*/
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_IRQ, "%s: setup\n", __func__);
|
|
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
|
|
usbd_transfer_submit(xfer);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default: /* Error */
|
|
|
|
/*
|
|
|
|
* Print error message and clear stall
|
|
|
|
* for example.
|
|
|
|
*/
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_IRQ, "%s: ERROR?\n", __func__);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Map net80211 rate to hw rate for otus MAC/PHY.
|
|
|
|
*/
|
|
|
|
static uint8_t
|
|
|
|
otus_rate_to_hw_rate(struct otus_softc *sc, uint8_t rate)
|
|
|
|
{
|
|
|
|
int is_2ghz;
|
|
|
|
|
|
|
|
is_2ghz = !! (IEEE80211_IS_CHAN_2GHZ(sc->sc_ic.ic_curchan));
|
|
|
|
|
|
|
|
switch (rate) {
|
|
|
|
/* CCK */
|
|
|
|
case 2:
|
|
|
|
return (0x0);
|
|
|
|
case 4:
|
|
|
|
return (0x1);
|
|
|
|
case 11:
|
|
|
|
return (0x2);
|
|
|
|
case 22:
|
|
|
|
return (0x3);
|
|
|
|
/* OFDM */
|
|
|
|
case 12:
|
|
|
|
return (0xb);
|
|
|
|
case 18:
|
|
|
|
return (0xf);
|
|
|
|
case 24:
|
|
|
|
return (0xa);
|
|
|
|
case 36:
|
|
|
|
return (0xe);
|
|
|
|
case 48:
|
|
|
|
return (0x9);
|
|
|
|
case 72:
|
|
|
|
return (0xd);
|
|
|
|
case 96:
|
|
|
|
return (0x8);
|
|
|
|
case 108:
|
|
|
|
return (0xc);
|
|
|
|
default:
|
|
|
|
device_printf(sc->sc_dev, "%s: unknown rate '%d'\n",
|
|
|
|
__func__, (int) rate);
|
|
|
|
case 0:
|
|
|
|
if (is_2ghz)
|
|
|
|
return (0x0); /* 1MB CCK */
|
|
|
|
else
|
|
|
|
return (0xb); /* 6MB OFDM */
|
|
|
|
|
|
|
|
/* XXX TODO: HT */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_hw_rate_is_ofdm(struct otus_softc *sc, uint8_t hw_rate)
|
|
|
|
{
|
|
|
|
|
|
|
|
switch (hw_rate) {
|
|
|
|
case 0x0:
|
|
|
|
case 0x1:
|
|
|
|
case 0x2:
|
|
|
|
case 0x3:
|
|
|
|
return (0);
|
|
|
|
default:
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_tx_update_ratectl(struct otus_softc *sc, struct ieee80211_node *ni)
|
|
|
|
{
|
|
|
|
int tx, tx_success, tx_retry;
|
|
|
|
|
|
|
|
tx = OTUS_NODE(ni)->tx_done;
|
|
|
|
tx_success = OTUS_NODE(ni)->tx_done - OTUS_NODE(ni)->tx_err;
|
|
|
|
tx_retry = OTUS_NODE(ni)->tx_retries;
|
|
|
|
|
|
|
|
ieee80211_ratectl_tx_update(ni->ni_vap, ni, &tx, &tx_success,
|
|
|
|
&tx_retry);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX TODO: support tx bpf parameters for configuration!
|
2015-10-23 00:48:00 +00:00
|
|
|
*
|
|
|
|
* Relevant pieces:
|
|
|
|
*
|
|
|
|
* ac = params->ibp_pri & 3;
|
|
|
|
* rate = params->ibp_rate0;
|
|
|
|
* params->ibp_flags & IEEE80211_BPF_NOACK
|
|
|
|
* params->ibp_flags & IEEE80211_BPF_RTS
|
|
|
|
* params->ibp_flags & IEEE80211_BPF_CTS
|
|
|
|
* tx->rts_ntries = params->ibp_try1;
|
|
|
|
* tx->data_ntries = params->ibp_try0;
|
2015-09-26 07:08:35 +00:00
|
|
|
*/
|
|
|
|
static int
|
|
|
|
otus_tx(struct otus_softc *sc, struct ieee80211_node *ni, struct mbuf *m,
|
2015-10-23 00:48:00 +00:00
|
|
|
struct otus_data *data, const struct ieee80211_bpf_params *params)
|
2015-09-26 07:08:35 +00:00
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
|
|
struct ieee80211_frame *wh;
|
|
|
|
struct ieee80211_key *k;
|
|
|
|
struct ar_tx_head *head;
|
|
|
|
uint32_t phyctl;
|
|
|
|
uint16_t macctl, qos;
|
|
|
|
uint8_t qid, rate;
|
|
|
|
int hasqos, xferlen;
|
|
|
|
|
|
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
|
|
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
|
|
|
|
k = ieee80211_crypto_encap(ni, m);
|
|
|
|
if (k == NULL) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: m=%p: ieee80211_crypto_encap returns NULL\n",
|
|
|
|
__func__,
|
|
|
|
m);
|
|
|
|
return (ENOBUFS);
|
|
|
|
}
|
|
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Calculate transfer length; ensure data buffer is large enough */
|
|
|
|
xferlen = sizeof (*head) + m->m_pkthdr.len;
|
|
|
|
if (xferlen > OTUS_TXBUFSZ) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: 802.11 TX frame is %d bytes, max %d bytes\n",
|
|
|
|
__func__,
|
|
|
|
xferlen,
|
|
|
|
OTUS_TXBUFSZ);
|
|
|
|
return (ENOBUFS);
|
|
|
|
}
|
|
|
|
|
|
|
|
hasqos = !! IEEE80211_QOS_HAS_SEQ(wh);
|
|
|
|
|
|
|
|
if (hasqos) {
|
|
|
|
uint8_t tid;
|
|
|
|
qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
|
|
|
|
tid = qos & IEEE80211_QOS_TID;
|
|
|
|
qid = TID_TO_WME_AC(tid);
|
|
|
|
} else {
|
|
|
|
qos = 0;
|
|
|
|
qid = WME_AC_BE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Pickup a rate index. */
|
2015-10-23 00:48:00 +00:00
|
|
|
if (params != NULL) {
|
|
|
|
rate = otus_rate_to_hw_rate(sc, params->ibp_rate0);
|
|
|
|
} else if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
|
2015-09-26 07:08:35 +00:00
|
|
|
(wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_DATA) {
|
|
|
|
/* Get lowest rate */
|
|
|
|
rate = otus_rate_to_hw_rate(sc, 0);
|
2015-10-19 01:14:26 +00:00
|
|
|
} else if (m->m_flags & M_EAPOL) {
|
|
|
|
/* Get lowest rate */
|
|
|
|
rate = otus_rate_to_hw_rate(sc, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
} else {
|
|
|
|
(void) ieee80211_ratectl_rate(ni, NULL, 0);
|
|
|
|
rate = otus_rate_to_hw_rate(sc, ni->ni_txrate);
|
|
|
|
}
|
|
|
|
|
|
|
|
phyctl = 0;
|
|
|
|
macctl = AR_TX_MAC_BACKOFF | AR_TX_MAC_HW_DUR | AR_TX_MAC_QID(qid);
|
|
|
|
|
2015-10-23 00:48:00 +00:00
|
|
|
/*
|
|
|
|
* XXX TODO: params for NOACK, ACK, RTS, CTS, etc
|
|
|
|
*/
|
2015-09-26 07:08:35 +00:00
|
|
|
if (IEEE80211_IS_MULTICAST(wh->i_addr1) ||
|
|
|
|
(hasqos && ((qos & IEEE80211_QOS_ACKPOLICY) ==
|
|
|
|
IEEE80211_QOS_ACKPOLICY_NOACK)))
|
|
|
|
macctl |= AR_TX_MAC_NOACK;
|
|
|
|
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
|
|
if (m->m_pkthdr.len + IEEE80211_CRC_LEN >= vap->iv_rtsthreshold)
|
|
|
|
macctl |= AR_TX_MAC_RTS;
|
|
|
|
else if (ic->ic_flags & IEEE80211_F_USEPROT) {
|
|
|
|
if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
|
|
|
|
macctl |= AR_TX_MAC_CTS;
|
|
|
|
else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
|
|
|
|
macctl |= AR_TX_MAC_RTS;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
phyctl |= AR_TX_PHY_MCS(rate);
|
|
|
|
if (otus_hw_rate_is_ofdm(sc, rate)) {
|
|
|
|
phyctl |= AR_TX_PHY_MT_OFDM;
|
|
|
|
/* Always use all tx antennas for now, just to be safe */
|
|
|
|
phyctl |= AR_TX_PHY_ANTMSK(sc->txmask);
|
|
|
|
} else { /* CCK */
|
|
|
|
phyctl |= AR_TX_PHY_MT_CCK;
|
|
|
|
phyctl |= AR_TX_PHY_ANTMSK(sc->txmask);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Update net80211 with the current counters */
|
|
|
|
otus_tx_update_ratectl(sc, ni);
|
|
|
|
|
|
|
|
/* Update rate control stats for frames that are ACK'ed. */
|
|
|
|
if (!(macctl & AR_TX_MAC_NOACK))
|
|
|
|
OTUS_NODE(ni)->tx_done++;
|
|
|
|
|
|
|
|
|
|
|
|
/* Fill Tx descriptor. */
|
|
|
|
head = (struct ar_tx_head *)data->buf;
|
|
|
|
head->len = htole16(m->m_pkthdr.len + IEEE80211_CRC_LEN);
|
|
|
|
head->macctl = htole16(macctl);
|
|
|
|
head->phyctl = htole32(phyctl);
|
|
|
|
|
|
|
|
m_copydata(m, 0, m->m_pkthdr.len, (caddr_t)&head[1]);
|
|
|
|
|
|
|
|
data->buflen = xferlen;
|
|
|
|
data->ni = ni;
|
|
|
|
data->m = m;
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_XMIT,
|
|
|
|
"%s: tx: m=%p; data=%p; len=%d mac=0x%04x phy=0x%08x rate=0x%02x, ni_txrate=%d\n",
|
2015-10-23 00:48:00 +00:00
|
|
|
__func__, m, data, le16toh(head->len), macctl, phyctl,
|
2015-09-26 07:08:35 +00:00
|
|
|
(int) rate, (int) ni->ni_txrate);
|
|
|
|
|
|
|
|
/* Submit transfer */
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_pending[OTUS_BULK_TX], data, next);
|
|
|
|
usbd_transfer_start(sc->sc_xfer[OTUS_BULK_TX]);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_set_multi(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
uint32_t lo, hi;
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
if (ic->ic_allmulti > 0 || ic->ic_promisc > 0 ||
|
|
|
|
ic->ic_opmode == IEEE80211_M_MONITOR) {
|
|
|
|
lo = 0xffffffff;
|
|
|
|
hi = 0xffffffff;
|
|
|
|
} else {
|
|
|
|
struct ieee80211vap *vap;
|
|
|
|
struct ifnet *ifp;
|
|
|
|
struct ifmultiaddr *ifma;
|
|
|
|
|
|
|
|
lo = hi = 0;
|
|
|
|
TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
|
|
|
|
ifp = vap->iv_ifp;
|
|
|
|
if_maddr_rlock(ifp);
|
|
|
|
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
|
|
|
|
caddr_t dl;
|
|
|
|
uint32_t val;
|
|
|
|
|
|
|
|
dl = LLADDR((struct sockaddr_dl *) ifma->ifma_addr);
|
|
|
|
val = LE_READ_4(dl + 4);
|
|
|
|
/* Get address byte 5 */
|
|
|
|
val = val & 0x0000ff00;
|
|
|
|
val = val >> 8;
|
|
|
|
|
|
|
|
/* As per below, shift it >> 2 to get only 6 bits */
|
|
|
|
val = val >> 2;
|
|
|
|
if (val < 32)
|
|
|
|
lo |= 1 << val;
|
|
|
|
else
|
|
|
|
hi |= 1 << (val - 32);
|
|
|
|
}
|
|
|
|
if_maddr_runlock(ifp);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#if 0
|
|
|
|
/* XXX openbsd code */
|
|
|
|
while (enm != NULL) {
|
|
|
|
bit = enm->enm_addrlo[5] >> 2;
|
|
|
|
if (bit < 32)
|
|
|
|
lo |= 1 << bit;
|
|
|
|
else
|
|
|
|
hi |= 1 << (bit - 32);
|
|
|
|
ETHER_NEXT_MULTI(step, enm);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
hi |= 1U << 31; /* Make sure the broadcast bit is set. */
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
otus_write(sc, AR_MAC_REG_GROUP_HASH_TBL_L, lo);
|
|
|
|
otus_write(sc, AR_MAC_REG_GROUP_HASH_TBL_H, hi);
|
|
|
|
r = otus_write_barrier(sc);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return (r);
|
|
|
|
}
|
|
|
|
|
2015-11-05 17:58:18 +00:00
|
|
|
static int
|
|
|
|
otus_updateedca(struct ieee80211com *ic)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
/*
|
|
|
|
* XXX TODO: take temporary copy of EDCA information
|
|
|
|
* when scheduling this so we have a more time-correct view
|
|
|
|
* of things.
|
|
|
|
* XXX TODO: this can be done on the net80211 level
|
|
|
|
*/
|
|
|
|
otus_updateedca_locked(sc);
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
2015-09-26 07:08:35 +00:00
|
|
|
static void
|
2015-11-05 17:58:18 +00:00
|
|
|
otus_updateedca_locked(struct otus_softc *sc)
|
2015-09-26 07:08:35 +00:00
|
|
|
{
|
|
|
|
#define EXP2(val) ((1 << (val)) - 1)
|
|
|
|
#define AIFS(val) ((val) * 9 + 10)
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
const struct wmeParams *edca;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
edca = ic->ic_wme.wme_chanParams.cap_wmeParams;
|
|
|
|
|
|
|
|
/* Set CWmin/CWmax values. */
|
|
|
|
otus_write(sc, AR_MAC_REG_AC0_CW,
|
|
|
|
EXP2(edca[WME_AC_BE].wmep_logcwmax) << 16 |
|
|
|
|
EXP2(edca[WME_AC_BE].wmep_logcwmin));
|
|
|
|
otus_write(sc, AR_MAC_REG_AC1_CW,
|
|
|
|
EXP2(edca[WME_AC_BK].wmep_logcwmax) << 16 |
|
|
|
|
EXP2(edca[WME_AC_BK].wmep_logcwmin));
|
|
|
|
otus_write(sc, AR_MAC_REG_AC2_CW,
|
|
|
|
EXP2(edca[WME_AC_VI].wmep_logcwmax) << 16 |
|
|
|
|
EXP2(edca[WME_AC_VI].wmep_logcwmin));
|
|
|
|
otus_write(sc, AR_MAC_REG_AC3_CW,
|
|
|
|
EXP2(edca[WME_AC_VO].wmep_logcwmax) << 16 |
|
|
|
|
EXP2(edca[WME_AC_VO].wmep_logcwmin));
|
|
|
|
otus_write(sc, AR_MAC_REG_AC4_CW, /* Special TXQ. */
|
|
|
|
EXP2(edca[WME_AC_VO].wmep_logcwmax) << 16 |
|
|
|
|
EXP2(edca[WME_AC_VO].wmep_logcwmin));
|
|
|
|
|
|
|
|
/* Set AIFSN values. */
|
|
|
|
otus_write(sc, AR_MAC_REG_AC1_AC0_AIFS,
|
|
|
|
AIFS(edca[WME_AC_VI].wmep_aifsn) << 24 |
|
|
|
|
AIFS(edca[WME_AC_BK].wmep_aifsn) << 12 |
|
|
|
|
AIFS(edca[WME_AC_BE].wmep_aifsn));
|
|
|
|
otus_write(sc, AR_MAC_REG_AC3_AC2_AIFS,
|
|
|
|
AIFS(edca[WME_AC_VO].wmep_aifsn) << 16 | /* Special TXQ. */
|
|
|
|
AIFS(edca[WME_AC_VO].wmep_aifsn) << 4 |
|
|
|
|
AIFS(edca[WME_AC_VI].wmep_aifsn) >> 8);
|
|
|
|
|
|
|
|
/* Set TXOP limit. */
|
|
|
|
otus_write(sc, AR_MAC_REG_AC1_AC0_TXOP,
|
|
|
|
edca[WME_AC_BK].wmep_txopLimit << 16 |
|
|
|
|
edca[WME_AC_BE].wmep_txopLimit);
|
|
|
|
otus_write(sc, AR_MAC_REG_AC3_AC2_TXOP,
|
|
|
|
edca[WME_AC_VO].wmep_txopLimit << 16 |
|
|
|
|
edca[WME_AC_VI].wmep_txopLimit);
|
|
|
|
|
|
|
|
/* XXX ACK policy? */
|
|
|
|
|
|
|
|
(void)otus_write_barrier(sc);
|
|
|
|
|
|
|
|
#undef AIFS
|
|
|
|
#undef EXP2
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
otus_updateslot(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
uint32_t slottime;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
2015-12-13 20:48:24 +00:00
|
|
|
slottime = IEEE80211_GET_SLOTTIME(ic);
|
2015-09-26 07:08:35 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_SLOT_TIME, slottime << 10);
|
|
|
|
(void)otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_init_mac(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
otus_write(sc, AR_MAC_REG_ACK_EXTENSION, 0x40);
|
|
|
|
otus_write(sc, AR_MAC_REG_RETRY_MAX, 0);
|
|
|
|
otus_write(sc, AR_MAC_REG_SNIFFER, 0x2000000);
|
|
|
|
otus_write(sc, AR_MAC_REG_RX_THRESHOLD, 0xc1f80);
|
|
|
|
otus_write(sc, AR_MAC_REG_RX_PE_DELAY, 0x70);
|
|
|
|
otus_write(sc, AR_MAC_REG_EIFS_AND_SIFS, 0xa144000);
|
|
|
|
otus_write(sc, AR_MAC_REG_SLOT_TIME, 9 << 10);
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_TID_CFACK_CFEND_RATE, 0x19000000);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* NAV protects ACK only (in TXOP). */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_TXOP_DURATION, 0x201);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Set beacon Tx power to 0x7. */
|
|
|
|
otus_write(sc, AR_MAC_REG_BCN_HT1, 0x8000170);
|
|
|
|
otus_write(sc, AR_MAC_REG_BACKOFF_PROTECT, 0x105);
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_AMPDU_FACTOR, 0x10000a);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Filter any control frames, BAR is bit 24. */
|
2015-10-27 00:57:06 +00:00
|
|
|
// otus_write(sc, AR_MAC_REG_FRAMETYPE_FILTER, 0x0500ffff);
|
|
|
|
// otus_write(sc, AR_MAC_REG_RX_CONTROL, 0x1);
|
2015-09-26 07:08:35 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_BASIC_RATE, 0x150f);
|
|
|
|
otus_write(sc, AR_MAC_REG_MANDATORY_RATE, 0x150f);
|
|
|
|
otus_write(sc, AR_MAC_REG_RTS_CTS_RATE, 0x10b01bb);
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_ACK_TPC, 0x4003c1e);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Enable LED0 and LED1. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_GPIO_REG_PORT_TYPE, 0x3);
|
|
|
|
otus_write(sc, AR_GPIO_REG_PORT_DATA, 0x3);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Switch MAC to OTUS interface. */
|
|
|
|
otus_write(sc, 0x1c3600, 0x3);
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_AMPDU_RX_THRESH, 0xffff);
|
|
|
|
otus_write(sc, AR_MAC_REG_MISC_680, 0xf00008);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Disable Rx timeout (workaround). */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_RX_TIMEOUT, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
/* Set USB Rx stream mode maximum frame number to 2. */
|
|
|
|
otus_write(sc, 0x1e1110, 0x4);
|
|
|
|
/* Set USB Rx stream mode timeout to 10us. */
|
|
|
|
otus_write(sc, 0x1e1114, 0x80);
|
|
|
|
|
|
|
|
/* Set clock frequency to 88/80MHz. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_PWR_REG_CLOCK_SEL, 0x73);
|
2015-09-26 07:08:35 +00:00
|
|
|
/* Set WLAN DMA interrupt mode: generate intr per packet. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_TXRX_MPI, 0x110011);
|
|
|
|
otus_write(sc, AR_MAC_REG_FCS_SELECT, 0x4);
|
2015-09-26 07:08:35 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_TXOP_NOT_ENOUGH_INDICATION, 0x141e0f48);
|
|
|
|
|
|
|
|
/* Disable HW decryption for now. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_ENCRYPTION, 0x78);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
return error;
|
|
|
|
|
|
|
|
/* Set default EDCA parameters. */
|
2015-11-05 17:58:18 +00:00
|
|
|
otus_updateedca_locked(sc);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Return default value for PHY register based on current operating mode.
|
|
|
|
*/
|
|
|
|
uint32_t
|
|
|
|
otus_phy_get_def(struct otus_softc *sc, uint32_t reg)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < nitems(ar5416_phy_regs); i++)
|
|
|
|
if (AR_PHY(ar5416_phy_regs[i]) == reg)
|
|
|
|
return sc->phy_vals[i];
|
|
|
|
return 0; /* Register not found. */
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Update PHY's programming based on vendor-specific data stored in EEPROM.
|
|
|
|
* This is for FEM-type devices only.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
otus_set_board_values(struct otus_softc *sc, struct ieee80211_channel *c)
|
|
|
|
{
|
|
|
|
const struct ModalEepHeader *eep;
|
|
|
|
uint32_t tmp, offset;
|
|
|
|
|
|
|
|
if (IEEE80211_IS_CHAN_5GHZ(c))
|
|
|
|
eep = &sc->eeprom.modalHeader[0];
|
|
|
|
else
|
|
|
|
eep = &sc->eeprom.modalHeader[1];
|
|
|
|
|
|
|
|
/* Offset of chain 2. */
|
|
|
|
offset = 2 * 0x1000;
|
|
|
|
|
|
|
|
tmp = le32toh(eep->antCtrlCommon);
|
|
|
|
otus_write(sc, AR_PHY_SWITCH_COM, tmp);
|
|
|
|
|
|
|
|
tmp = le32toh(eep->antCtrlChain[0]);
|
|
|
|
otus_write(sc, AR_PHY_SWITCH_CHAIN_0, tmp);
|
|
|
|
|
|
|
|
tmp = le32toh(eep->antCtrlChain[1]);
|
|
|
|
otus_write(sc, AR_PHY_SWITCH_CHAIN_0 + offset, tmp);
|
|
|
|
|
|
|
|
if (1 /* sc->sc_sco == AR_SCO_SCN */) {
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_SETTLING);
|
|
|
|
tmp &= ~(0x7f << 7);
|
|
|
|
tmp |= (eep->switchSettling & 0x7f) << 7;
|
|
|
|
otus_write(sc, AR_PHY_SETTLING, tmp);
|
|
|
|
}
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_DESIRED_SZ);
|
|
|
|
tmp &= ~0xffff;
|
|
|
|
tmp |= eep->pgaDesiredSize << 8 | eep->adcDesiredSize;
|
|
|
|
otus_write(sc, AR_PHY_DESIRED_SZ, tmp);
|
|
|
|
|
|
|
|
tmp = eep->txEndToXpaOff << 24 | eep->txEndToXpaOff << 16 |
|
|
|
|
eep->txFrameToXpaOn << 8 | eep->txFrameToXpaOn;
|
|
|
|
otus_write(sc, AR_PHY_RF_CTL4, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_RF_CTL3);
|
|
|
|
tmp &= ~(0xff << 16);
|
|
|
|
tmp |= eep->txEndToRxOn << 16;
|
|
|
|
otus_write(sc, AR_PHY_RF_CTL3, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_CCA);
|
|
|
|
tmp &= ~(0x7f << 12);
|
|
|
|
tmp |= (eep->thresh62 & 0x7f) << 12;
|
|
|
|
otus_write(sc, AR_PHY_CCA, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_RXGAIN);
|
|
|
|
tmp &= ~(0x3f << 12);
|
|
|
|
tmp |= (eep->txRxAttenCh[0] & 0x3f) << 12;
|
|
|
|
otus_write(sc, AR_PHY_RXGAIN, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_RXGAIN + offset);
|
|
|
|
tmp &= ~(0x3f << 12);
|
|
|
|
tmp |= (eep->txRxAttenCh[1] & 0x3f) << 12;
|
|
|
|
otus_write(sc, AR_PHY_RXGAIN + offset, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_GAIN_2GHZ);
|
|
|
|
tmp &= ~(0x3f << 18);
|
|
|
|
tmp |= (eep->rxTxMarginCh[0] & 0x3f) << 18;
|
|
|
|
if (IEEE80211_IS_CHAN_5GHZ(c)) {
|
|
|
|
tmp &= ~(0xf << 10);
|
|
|
|
tmp |= (eep->bswMargin[0] & 0xf) << 10;
|
|
|
|
}
|
|
|
|
otus_write(sc, AR_PHY_GAIN_2GHZ, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_GAIN_2GHZ + offset);
|
|
|
|
tmp &= ~(0x3f << 18);
|
|
|
|
tmp |= (eep->rxTxMarginCh[1] & 0x3f) << 18;
|
|
|
|
otus_write(sc, AR_PHY_GAIN_2GHZ + offset, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_TIMING_CTRL4);
|
|
|
|
tmp &= ~(0x3f << 5 | 0x1f);
|
|
|
|
tmp |= (eep->iqCalICh[0] & 0x3f) << 5 | (eep->iqCalQCh[0] & 0x1f);
|
|
|
|
otus_write(sc, AR_PHY_TIMING_CTRL4, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_TIMING_CTRL4 + offset);
|
|
|
|
tmp &= ~(0x3f << 5 | 0x1f);
|
|
|
|
tmp |= (eep->iqCalICh[1] & 0x3f) << 5 | (eep->iqCalQCh[1] & 0x1f);
|
|
|
|
otus_write(sc, AR_PHY_TIMING_CTRL4 + offset, tmp);
|
|
|
|
|
|
|
|
tmp = otus_phy_get_def(sc, AR_PHY_TPCRG1);
|
|
|
|
tmp &= ~(0xf << 16);
|
|
|
|
tmp |= (eep->xpd & 0xf) << 16;
|
|
|
|
otus_write(sc, AR_PHY_TPCRG1, tmp);
|
|
|
|
|
|
|
|
return otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_program_phy(struct otus_softc *sc, struct ieee80211_channel *c)
|
|
|
|
{
|
|
|
|
const uint32_t *vals;
|
|
|
|
int error, i;
|
|
|
|
|
|
|
|
/* Select PHY programming based on band and bandwidth. */
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(c))
|
|
|
|
vals = ar5416_phy_vals_2ghz_20mhz;
|
|
|
|
else
|
|
|
|
vals = ar5416_phy_vals_5ghz_20mhz;
|
|
|
|
for (i = 0; i < nitems(ar5416_phy_regs); i++)
|
|
|
|
otus_write(sc, AR_PHY(ar5416_phy_regs[i]), vals[i]);
|
|
|
|
sc->phy_vals = vals;
|
|
|
|
|
|
|
|
if (sc->eeprom.baseEepHeader.deviceType == 0x80) /* FEM */
|
|
|
|
if ((error = otus_set_board_values(sc, c)) != 0)
|
|
|
|
return error;
|
|
|
|
|
|
|
|
/* Initial Tx power settings. */
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE_MAX, 0x7f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE1, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE2, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE3, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE4, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE5, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE6, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE7, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE8, 0x3f3f3f3f);
|
|
|
|
otus_write(sc, AR_PHY_POWER_TX_RATE9, 0x3f3f3f3f);
|
|
|
|
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(c))
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_PWR_REG_PLL_ADDAC, 0x5163);
|
2015-09-26 07:08:35 +00:00
|
|
|
else
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_PWR_REG_PLL_ADDAC, 0x5143);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
return otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static __inline uint8_t
|
|
|
|
otus_reverse_bits(uint8_t v)
|
|
|
|
{
|
|
|
|
v = ((v >> 1) & 0x55) | ((v & 0x55) << 1);
|
|
|
|
v = ((v >> 2) & 0x33) | ((v & 0x33) << 2);
|
|
|
|
v = ((v >> 4) & 0x0f) | ((v & 0x0f) << 4);
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_set_rf_bank4(struct otus_softc *sc, struct ieee80211_channel *c)
|
|
|
|
{
|
|
|
|
uint8_t chansel, d0, d1;
|
|
|
|
uint16_t data;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
d0 = 0;
|
|
|
|
if (IEEE80211_IS_CHAN_5GHZ(c)) {
|
|
|
|
chansel = (c->ic_freq - 4800) / 5;
|
|
|
|
if (chansel & 1)
|
|
|
|
d0 |= AR_BANK4_AMODE_REFSEL(2);
|
|
|
|
else
|
|
|
|
d0 |= AR_BANK4_AMODE_REFSEL(1);
|
|
|
|
} else {
|
|
|
|
d0 |= AR_BANK4_AMODE_REFSEL(2);
|
|
|
|
if (c->ic_freq == 2484) { /* CH 14 */
|
|
|
|
d0 |= AR_BANK4_BMODE_LF_SYNTH_FREQ;
|
|
|
|
chansel = 10 + (c->ic_freq - 2274) / 5;
|
|
|
|
} else
|
|
|
|
chansel = 16 + (c->ic_freq - 2272) / 5;
|
|
|
|
chansel <<= 2;
|
|
|
|
}
|
|
|
|
d0 |= AR_BANK4_ADDR(1) | AR_BANK4_CHUP;
|
|
|
|
d1 = otus_reverse_bits(chansel);
|
|
|
|
|
|
|
|
/* Write bits 0-4 of d0 and d1. */
|
|
|
|
data = (d1 & 0x1f) << 5 | (d0 & 0x1f);
|
|
|
|
otus_write(sc, AR_PHY(44), data);
|
|
|
|
/* Write bits 5-7 of d0 and d1. */
|
|
|
|
data = (d1 >> 5) << 5 | (d0 >> 5);
|
|
|
|
otus_write(sc, AR_PHY(58), data);
|
|
|
|
|
|
|
|
if ((error = otus_write_barrier(sc)) == 0)
|
|
|
|
otus_delay_ms(sc, 10);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_get_delta_slope(uint32_t coeff, uint32_t *exponent, uint32_t *mantissa)
|
|
|
|
{
|
|
|
|
#define COEFF_SCALE_SHIFT 24
|
|
|
|
uint32_t exp, man;
|
|
|
|
|
|
|
|
/* exponent = 14 - floor(log2(coeff)) */
|
|
|
|
for (exp = 31; exp > 0; exp--)
|
|
|
|
if (coeff & (1 << exp))
|
|
|
|
break;
|
|
|
|
KASSERT(exp != 0, ("exp"));
|
|
|
|
exp = 14 - (exp - COEFF_SCALE_SHIFT);
|
|
|
|
|
|
|
|
/* mantissa = floor(coeff * 2^exponent + 0.5) */
|
|
|
|
man = coeff + (1 << (COEFF_SCALE_SHIFT - exp - 1));
|
|
|
|
|
|
|
|
*mantissa = man >> (COEFF_SCALE_SHIFT - exp);
|
|
|
|
*exponent = exp - 16;
|
|
|
|
#undef COEFF_SCALE_SHIFT
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
otus_set_chan(struct otus_softc *sc, struct ieee80211_channel *c, int assoc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ar_cmd_frequency cmd;
|
|
|
|
struct ar_rsp_frequency rsp;
|
|
|
|
const uint32_t *vals;
|
|
|
|
uint32_t coeff, exp, man, tmp;
|
|
|
|
uint8_t code;
|
|
|
|
int error, chan, i;
|
|
|
|
|
|
|
|
error = 0;
|
|
|
|
chan = ieee80211_chan2ieee(ic, c);
|
|
|
|
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET,
|
|
|
|
"setting channel %d (%dMHz)\n", chan, c->ic_freq);
|
|
|
|
|
|
|
|
tmp = IEEE80211_IS_CHAN_2GHZ(c) ? 0x105 : 0x104;
|
|
|
|
otus_write(sc, AR_MAC_REG_DYNAMIC_SIFS_ACK, tmp);
|
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
/* Disable BB Heavy Clip. */
|
|
|
|
otus_write(sc, AR_PHY_HEAVY_CLIP_ENABLE, 0x200);
|
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
/* XXX Is that FREQ_START ? */
|
2015-09-27 03:46:55 +00:00
|
|
|
error = otus_cmd(sc, AR_CMD_FREQ_STRAT, NULL, 0, NULL, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
if (error != 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
/* Reprogram PHY and RF on channel band or bandwidth changes. */
|
|
|
|
if (sc->bb_reset || c->ic_flags != sc->sc_curchan->ic_flags) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET, "band switch\n");
|
|
|
|
|
|
|
|
/* Cold/Warm reset BB/ADDA. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_PWR_REG_RESET, sc->bb_reset ? 0x800 : 0x400);
|
2015-09-26 07:08:35 +00:00
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
goto finish;
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_PWR_REG_RESET, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
goto finish;
|
|
|
|
sc->bb_reset = 0;
|
|
|
|
|
|
|
|
if ((error = otus_program_phy(sc, c)) != 0) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not program PHY\n",
|
|
|
|
__func__);
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Select RF programming based on band. */
|
|
|
|
if (IEEE80211_IS_CHAN_5GHZ(c))
|
|
|
|
vals = ar5416_banks_vals_5ghz;
|
|
|
|
else
|
|
|
|
vals = ar5416_banks_vals_2ghz;
|
|
|
|
for (i = 0; i < nitems(ar5416_banks_regs); i++)
|
|
|
|
otus_write(sc, AR_PHY(ar5416_banks_regs[i]), vals[i]);
|
|
|
|
if ((error = otus_write_barrier(sc)) != 0) {
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not program RF\n",
|
|
|
|
__func__);
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
code = AR_CMD_RF_INIT;
|
|
|
|
} else {
|
|
|
|
code = AR_CMD_FREQUENCY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((error = otus_set_rf_bank4(sc, c)) != 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
tmp = (sc->txmask == 0x5) ? 0x340 : 0x240;
|
|
|
|
otus_write(sc, AR_PHY_TURBO, tmp);
|
|
|
|
if ((error = otus_write_barrier(sc)) != 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
/* Send firmware command to set channel. */
|
|
|
|
cmd.freq = htole32((uint32_t)c->ic_freq * 1000);
|
|
|
|
cmd.dynht2040 = htole32(0);
|
|
|
|
cmd.htena = htole32(1);
|
|
|
|
/* Set Delta Slope (exponent and mantissa). */
|
|
|
|
coeff = (100 << 24) / c->ic_freq;
|
|
|
|
otus_get_delta_slope(coeff, &exp, &man);
|
|
|
|
cmd.dsc_exp = htole32(exp);
|
|
|
|
cmd.dsc_man = htole32(man);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET,
|
|
|
|
"ds coeff=%u exp=%u man=%u\n", coeff, exp, man);
|
|
|
|
/* For Short GI, coeff is 9/10 that of normal coeff. */
|
|
|
|
coeff = (9 * coeff) / 10;
|
|
|
|
otus_get_delta_slope(coeff, &exp, &man);
|
|
|
|
cmd.dsc_shgi_exp = htole32(exp);
|
|
|
|
cmd.dsc_shgi_man = htole32(man);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET,
|
|
|
|
"ds shgi coeff=%u exp=%u man=%u\n", coeff, exp, man);
|
|
|
|
/* Set wait time for AGC and noise calibration (100 or 200ms). */
|
|
|
|
cmd.check_loop_count = assoc ? htole32(2000) : htole32(1000);
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET,
|
|
|
|
"%s\n", (code == AR_CMD_RF_INIT) ? "RF_INIT" : "FREQUENCY");
|
2015-09-27 03:46:55 +00:00
|
|
|
error = otus_cmd(sc, code, &cmd, sizeof cmd, &rsp, sizeof(rsp));
|
2015-09-26 07:08:35 +00:00
|
|
|
if (error != 0)
|
|
|
|
goto finish;
|
|
|
|
if ((rsp.status & htole32(AR_CAL_ERR_AGC | AR_CAL_ERR_NF_VAL)) != 0) {
|
|
|
|
OTUS_DPRINTF(sc, OTUS_DEBUG_RESET,
|
|
|
|
"status=0x%x\n", le32toh(rsp.status));
|
|
|
|
/* Force cold reset on next channel. */
|
|
|
|
sc->bb_reset = 1;
|
|
|
|
}
|
|
|
|
#ifdef USB_DEBUG
|
|
|
|
if (otus_debug & OTUS_DEBUG_RESET) {
|
|
|
|
device_printf(sc->sc_dev, "calibration status=0x%x\n",
|
|
|
|
le32toh(rsp.status));
|
|
|
|
for (i = 0; i < 2; i++) { /* 2 Rx chains */
|
|
|
|
/* Sign-extend 9-bit NF values. */
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"noisefloor chain %d=%d\n", i,
|
|
|
|
(((int32_t)le32toh(rsp.nf[i])) << 4) >> 23);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"noisefloor ext chain %d=%d\n", i,
|
|
|
|
((int32_t)le32toh(rsp.nf_ext[i])) >> 23);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
for (i = 0; i < OTUS_NUM_CHAINS; i++) {
|
|
|
|
sc->sc_nf[i] = ((((int32_t)le32toh(rsp.nf[i])) << 4) >> 23);
|
|
|
|
}
|
|
|
|
sc->sc_curchan = c;
|
|
|
|
finish:
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef notyet
|
|
|
|
int
|
|
|
|
otus_set_key(struct ieee80211com *ic, struct ieee80211_node *ni,
|
|
|
|
struct ieee80211_key *k)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
struct otus_cmd_key cmd;
|
|
|
|
|
|
|
|
/* Defer setting of WEP keys until interface is brought up. */
|
|
|
|
if ((ic->ic_if.if_flags & (IFF_UP | IFF_RUNNING)) !=
|
|
|
|
(IFF_UP | IFF_RUNNING))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Do it in a process context. */
|
|
|
|
cmd.key = *k;
|
|
|
|
cmd.associd = (ni != NULL) ? ni->ni_associd : 0;
|
|
|
|
otus_do_async(sc, otus_set_key_cb, &cmd, sizeof cmd);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_set_key_cb(struct otus_softc *sc, void *arg)
|
|
|
|
{
|
|
|
|
struct otus_cmd_key *cmd = arg;
|
|
|
|
struct ieee80211_key *k = &cmd->key;
|
|
|
|
struct ar_cmd_ekey key;
|
|
|
|
uint16_t cipher;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
memset(&key, 0, sizeof key);
|
|
|
|
if (k->k_flags & IEEE80211_KEY_GROUP) {
|
|
|
|
key.uid = htole16(k->k_id);
|
|
|
|
IEEE80211_ADDR_COPY(key.macaddr, sc->sc_ic.ic_myaddr);
|
|
|
|
key.macaddr[0] |= 0x80;
|
|
|
|
} else {
|
|
|
|
key.uid = htole16(OTUS_UID(cmd->associd));
|
|
|
|
IEEE80211_ADDR_COPY(key.macaddr, ni->ni_macaddr);
|
|
|
|
}
|
|
|
|
key.kix = htole16(0);
|
|
|
|
/* Map net80211 cipher to hardware. */
|
|
|
|
switch (k->k_cipher) {
|
|
|
|
case IEEE80211_CIPHER_WEP40:
|
|
|
|
cipher = AR_CIPHER_WEP64;
|
|
|
|
break;
|
|
|
|
case IEEE80211_CIPHER_WEP104:
|
|
|
|
cipher = AR_CIPHER_WEP128;
|
|
|
|
break;
|
|
|
|
case IEEE80211_CIPHER_TKIP:
|
|
|
|
cipher = AR_CIPHER_TKIP;
|
|
|
|
break;
|
|
|
|
case IEEE80211_CIPHER_CCMP:
|
|
|
|
cipher = AR_CIPHER_AES;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
key.cipher = htole16(cipher);
|
|
|
|
memcpy(key.key, k->k_key, MIN(k->k_len, 16));
|
2015-09-27 03:46:55 +00:00
|
|
|
error = otus_cmd(sc, AR_CMD_EKEY, &key, sizeof key, NULL, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
if (error != 0 || k->k_cipher != IEEE80211_CIPHER_TKIP)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* TKIP: set Tx/Rx MIC Key. */
|
|
|
|
key.kix = htole16(1);
|
|
|
|
memcpy(key.key, k->k_key + 16, 16);
|
2015-09-27 03:46:55 +00:00
|
|
|
(void)otus_cmd(sc, AR_CMD_EKEY, &key, sizeof key, NULL, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_delete_key(struct ieee80211com *ic, struct ieee80211_node *ni,
|
|
|
|
struct ieee80211_key *k)
|
|
|
|
{
|
|
|
|
struct otus_softc *sc = ic->ic_softc;
|
|
|
|
struct otus_cmd_key cmd;
|
|
|
|
|
|
|
|
if (!(ic->ic_if.if_flags & IFF_RUNNING) ||
|
|
|
|
ic->ic_state != IEEE80211_S_RUN)
|
|
|
|
return; /* Nothing to do. */
|
|
|
|
|
|
|
|
/* Do it in a process context. */
|
|
|
|
cmd.key = *k;
|
|
|
|
cmd.associd = (ni != NULL) ? ni->ni_associd : 0;
|
|
|
|
otus_do_async(sc, otus_delete_key_cb, &cmd, sizeof cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_delete_key_cb(struct otus_softc *sc, void *arg)
|
|
|
|
{
|
|
|
|
struct otus_cmd_key *cmd = arg;
|
|
|
|
struct ieee80211_key *k = &cmd->key;
|
|
|
|
uint32_t uid;
|
|
|
|
|
|
|
|
if (k->k_flags & IEEE80211_KEY_GROUP)
|
|
|
|
uid = htole32(k->k_id);
|
|
|
|
else
|
|
|
|
uid = htole32(OTUS_UID(cmd->associd));
|
2015-09-27 03:46:55 +00:00
|
|
|
(void)otus_cmd(sc, AR_CMD_DKEY, &uid, sizeof uid, NULL, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX TODO: check if we have to be doing any calibration in the host
|
|
|
|
* or whether it's purely a firmware thing.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
otus_calibrate_to(void *arg, int pending)
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
struct otus_softc *sc = arg;
|
|
|
|
|
|
|
|
device_printf(sc->sc_dev, "%s: called\n", __func__);
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ieee80211_node *ni;
|
|
|
|
int s;
|
|
|
|
|
|
|
|
if (usbd_is_dying(sc->sc_udev))
|
|
|
|
return;
|
|
|
|
|
|
|
|
usbd_ref_incr(sc->sc_udev);
|
|
|
|
|
|
|
|
s = splnet();
|
|
|
|
ni = ic->ic_bss;
|
|
|
|
ieee80211_amrr_choose(&sc->amrr, ni, &((struct otus_node *)ni)->amn);
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
if (!usbd_is_dying(sc->sc_udev))
|
|
|
|
timeout_add_sec(&sc->calib_to, 1);
|
|
|
|
|
|
|
|
usbd_ref_decr(sc->sc_udev);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_set_bssid(struct otus_softc *sc, const uint8_t *bssid)
|
|
|
|
{
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
otus_write(sc, AR_MAC_REG_BSSID_L,
|
|
|
|
bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
|
|
|
|
otus_write(sc, AR_MAC_REG_BSSID_H,
|
|
|
|
bssid[4] | bssid[5] << 8);
|
|
|
|
return otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
otus_set_macaddr(struct otus_softc *sc, const uint8_t *addr)
|
|
|
|
{
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
otus_write(sc, AR_MAC_REG_MAC_ADDR_L,
|
|
|
|
addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
|
|
|
|
otus_write(sc, AR_MAC_REG_MAC_ADDR_H,
|
|
|
|
addr[4] | addr[5] << 8);
|
|
|
|
return otus_write_barrier(sc);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Default single-LED. */
|
|
|
|
void
|
|
|
|
otus_led_newstate_type1(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
/* TBD */
|
|
|
|
device_printf(sc->sc_dev, "%s: TODO\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* NETGEAR, dual-LED. */
|
|
|
|
void
|
|
|
|
otus_led_newstate_type2(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
/* TBD */
|
|
|
|
device_printf(sc->sc_dev, "%s: TODO\n", __func__);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* NETGEAR, single-LED/3 colors (blue, red, purple.) */
|
|
|
|
void
|
|
|
|
otus_led_newstate_type3(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
|
|
|
|
|
|
|
|
uint32_t state = sc->led_state;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
if (!vap) {
|
|
|
|
state = 0; /* led off */
|
|
|
|
} else if (vap->iv_state == IEEE80211_S_INIT) {
|
|
|
|
state = 0; /* LED off. */
|
|
|
|
} else if (vap->iv_state == IEEE80211_S_RUN) {
|
|
|
|
/* Associated, LED always on. */
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(sc->sc_curchan))
|
|
|
|
state = AR_LED0_ON; /* 2GHz=>Red. */
|
|
|
|
else
|
|
|
|
state = AR_LED1_ON; /* 5GHz=>Blue. */
|
|
|
|
} else {
|
|
|
|
/* Scanning, blink LED. */
|
|
|
|
state ^= AR_LED0_ON | AR_LED1_ON;
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(sc->sc_curchan))
|
|
|
|
state &= ~AR_LED1_ON;
|
|
|
|
else
|
|
|
|
state &= ~AR_LED0_ON;
|
|
|
|
}
|
|
|
|
if (state != sc->led_state) {
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_GPIO_REG_PORT_DATA, state);
|
2015-09-26 07:08:35 +00:00
|
|
|
if (otus_write_barrier(sc) == 0)
|
|
|
|
sc->led_state = state;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2015-10-27 00:57:06 +00:00
|
|
|
/*
|
|
|
|
* TODO:
|
|
|
|
*
|
|
|
|
* + If in monitor mode, set BSSID to all zeros, else the node BSSID.
|
|
|
|
* + Handle STA + monitor (eg tcpdump/promisc/radiotap) as well as
|
|
|
|
* pure monitor mode.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
otus_set_operating_mode(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
uint32_t rx_ctrl;
|
|
|
|
uint32_t frm_filt;
|
|
|
|
uint32_t cam_mode;
|
|
|
|
uint32_t rx_sniffer;
|
|
|
|
|
|
|
|
OTUS_LOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
/* XXX TODO: too many magic constants */
|
|
|
|
rx_ctrl = 0x1;
|
|
|
|
/* Filter any control frames, BAR is bit 24. */
|
|
|
|
frm_filt = 0x0500ffff;
|
|
|
|
cam_mode = 0x0f000002; /* XXX STA */
|
|
|
|
rx_sniffer = 0x20000000;
|
|
|
|
|
|
|
|
switch (ic->ic_opmode) {
|
|
|
|
case IEEE80211_M_STA:
|
|
|
|
cam_mode = 0x0f000002; /* XXX STA */
|
|
|
|
rx_ctrl = 0x1;
|
|
|
|
frm_filt = 0x0500ffff;
|
|
|
|
rx_sniffer = 0x20000000;
|
|
|
|
break;
|
|
|
|
case IEEE80211_M_MONITOR:
|
|
|
|
cam_mode = 0x0f000002; /* XXX STA */
|
|
|
|
rx_ctrl = 0x1;
|
|
|
|
frm_filt = 0xffffffff;
|
|
|
|
rx_sniffer = 0x20000001;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
otus_write(sc, AR_MAC_REG_SNIFFER, rx_sniffer);
|
|
|
|
otus_write(sc, AR_MAC_REG_CAM_MODE, cam_mode);
|
|
|
|
otus_write(sc, AR_MAC_REG_FRAMETYPE_FILTER, frm_filt);
|
|
|
|
otus_write(sc, AR_MAC_REG_RX_CONTROL, cam_mode);
|
|
|
|
|
|
|
|
(void) otus_write_barrier(sc);
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
2015-09-26 07:08:35 +00:00
|
|
|
int
|
|
|
|
otus_init(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
OTUS_UNLOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
|
|
|
|
/* Drain any pending TX frames */
|
|
|
|
otus_drain_mbufq(sc);
|
|
|
|
|
|
|
|
/* Init MAC */
|
|
|
|
if ((error = otus_init_mac(sc)) != 0) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not initialize MAC\n", __func__);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
(void) otus_set_macaddr(sc, ic->ic_macaddr);
|
2015-10-27 00:57:06 +00:00
|
|
|
(void) otus_set_operating_mode(sc);
|
2015-09-26 07:08:35 +00:00
|
|
|
|
|
|
|
sc->bb_reset = 1; /* Force cold reset. */
|
|
|
|
|
|
|
|
if ((error = otus_set_chan(sc, ic->ic_curchan, 0)) != 0) {
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
device_printf(sc->sc_dev,
|
|
|
|
"%s: could not set channel\n", __func__);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Start Rx. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_DMA_TRIGGER, 0x100);
|
2015-09-26 07:08:35 +00:00
|
|
|
(void)otus_write_barrier(sc);
|
|
|
|
|
|
|
|
sc->sc_running = 1;
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
otus_stop(struct otus_softc *sc)
|
|
|
|
{
|
|
|
|
#if 0
|
|
|
|
int s;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
OTUS_UNLOCK_ASSERT(sc);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
sc->sc_running = 0;
|
|
|
|
sc->sc_tx_timer = 0;
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
|
|
|
|
taskqueue_drain_timeout(taskqueue_thread, &sc->scan_to);
|
|
|
|
taskqueue_drain_timeout(taskqueue_thread, &sc->calib_to);
|
|
|
|
taskqueue_drain(taskqueue_thread, &sc->tx_task);
|
|
|
|
|
|
|
|
OTUS_LOCK(sc);
|
|
|
|
sc->sc_running = 0;
|
|
|
|
/* Stop Rx. */
|
2015-10-23 02:08:47 +00:00
|
|
|
otus_write(sc, AR_MAC_REG_DMA_TRIGGER, 0);
|
2015-09-26 07:08:35 +00:00
|
|
|
(void)otus_write_barrier(sc);
|
|
|
|
|
|
|
|
/* Drain any pending TX frames */
|
|
|
|
otus_drain_mbufq(sc);
|
|
|
|
|
|
|
|
OTUS_UNLOCK(sc);
|
|
|
|
}
|