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349156a945
Tested with WUSB54GC, STA mode + WRT54GC / RTL8188EU in HOSTAP mode. Reviewed by: adrian Differential Revision: https://reviews.freebsd.org/D5546
3243 lines
82 KiB
C
3243 lines
82 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005-2007 Damien Bergamini <damien.bergamini@free.fr>
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* Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org>
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* Copyright (c) 2007-2008 Hans Petter Selasky <hselasky@FreeBSD.org>
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* Copyright (c) 2015 Andriy Voskoboinyk <avos@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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Ralink Technology RT2501USB/RT2601USB chipset driver
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* http://www.ralinktech.com.tw/
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*/
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#include <sys/param.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kdb.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.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/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#ifdef INET
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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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#endif
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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 <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 rum_debug
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/wlan/if_rumreg.h>
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#include <dev/usb/wlan/if_rumvar.h>
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#include <dev/usb/wlan/if_rumfw.h>
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#ifdef USB_DEBUG
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static int rum_debug = 0;
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static SYSCTL_NODE(_hw_usb, OID_AUTO, rum, CTLFLAG_RW, 0, "USB rum");
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SYSCTL_INT(_hw_usb_rum, OID_AUTO, debug, CTLFLAG_RWTUN, &rum_debug, 0,
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"Debug level");
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#endif
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static const STRUCT_USB_HOST_ID rum_devs[] = {
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#define RUM_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
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RUM_DEV(ABOCOM, HWU54DM),
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RUM_DEV(ABOCOM, RT2573_2),
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RUM_DEV(ABOCOM, RT2573_3),
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RUM_DEV(ABOCOM, RT2573_4),
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RUM_DEV(ABOCOM, WUG2700),
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RUM_DEV(AMIT, CGWLUSB2GO),
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RUM_DEV(ASUS, RT2573_1),
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RUM_DEV(ASUS, RT2573_2),
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RUM_DEV(BELKIN, F5D7050A),
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RUM_DEV(BELKIN, F5D9050V3),
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RUM_DEV(CISCOLINKSYS, WUSB54GC),
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RUM_DEV(CISCOLINKSYS, WUSB54GR),
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RUM_DEV(CONCEPTRONIC2, C54RU2),
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RUM_DEV(COREGA, CGWLUSB2GL),
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RUM_DEV(COREGA, CGWLUSB2GPX),
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RUM_DEV(DICKSMITH, CWD854F),
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RUM_DEV(DICKSMITH, RT2573),
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RUM_DEV(EDIMAX, EW7318USG),
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RUM_DEV(DLINK2, DWLG122C1),
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RUM_DEV(DLINK2, WUA1340),
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RUM_DEV(DLINK2, DWA111),
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RUM_DEV(DLINK2, DWA110),
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RUM_DEV(GIGABYTE, GNWB01GS),
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RUM_DEV(GIGABYTE, GNWI05GS),
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RUM_DEV(GIGASET, RT2573),
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RUM_DEV(GOODWAY, RT2573),
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RUM_DEV(GUILLEMOT, HWGUSB254LB),
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RUM_DEV(GUILLEMOT, HWGUSB254V2AP),
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RUM_DEV(HUAWEI3COM, WUB320G),
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RUM_DEV(MELCO, G54HP),
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RUM_DEV(MELCO, SG54HP),
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RUM_DEV(MELCO, SG54HG),
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RUM_DEV(MELCO, WLIUCG),
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RUM_DEV(MELCO, WLRUCG),
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RUM_DEV(MELCO, WLRUCGAOSS),
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RUM_DEV(MSI, RT2573_1),
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RUM_DEV(MSI, RT2573_2),
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RUM_DEV(MSI, RT2573_3),
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RUM_DEV(MSI, RT2573_4),
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RUM_DEV(NOVATECH, RT2573),
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RUM_DEV(PLANEX2, GWUS54HP),
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RUM_DEV(PLANEX2, GWUS54MINI2),
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RUM_DEV(PLANEX2, GWUSMM),
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RUM_DEV(QCOM, RT2573),
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RUM_DEV(QCOM, RT2573_2),
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RUM_DEV(QCOM, RT2573_3),
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RUM_DEV(RALINK, RT2573),
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RUM_DEV(RALINK, RT2573_2),
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RUM_DEV(RALINK, RT2671),
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RUM_DEV(SITECOMEU, WL113R2),
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RUM_DEV(SITECOMEU, WL172),
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RUM_DEV(SPARKLAN, RT2573),
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RUM_DEV(SURECOM, RT2573),
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#undef RUM_DEV
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};
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static device_probe_t rum_match;
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static device_attach_t rum_attach;
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static device_detach_t rum_detach;
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static usb_callback_t rum_bulk_read_callback;
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static usb_callback_t rum_bulk_write_callback;
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static usb_error_t rum_do_request(struct rum_softc *sc,
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struct usb_device_request *req, void *data);
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static usb_error_t rum_do_mcu_request(struct rum_softc *sc, int);
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static struct ieee80211vap *rum_vap_create(struct ieee80211com *,
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const char [IFNAMSIZ], int, enum ieee80211_opmode,
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int, const uint8_t [IEEE80211_ADDR_LEN],
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const uint8_t [IEEE80211_ADDR_LEN]);
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static void rum_vap_delete(struct ieee80211vap *);
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static void rum_cmdq_cb(void *, int);
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static int rum_cmd_sleepable(struct rum_softc *, const void *,
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size_t, uint8_t, CMD_FUNC_PROTO);
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static void rum_tx_free(struct rum_tx_data *, int);
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static void rum_setup_tx_list(struct rum_softc *);
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static void rum_unsetup_tx_list(struct rum_softc *);
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static void rum_beacon_miss(struct ieee80211vap *);
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static void rum_sta_recv_mgmt(struct ieee80211_node *,
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struct mbuf *, int,
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const struct ieee80211_rx_stats *, int, int);
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static int rum_set_power_state(struct rum_softc *, int);
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static int rum_newstate(struct ieee80211vap *,
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enum ieee80211_state, int);
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static uint8_t rum_crypto_mode(struct rum_softc *, u_int, int);
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static void rum_setup_tx_desc(struct rum_softc *,
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struct rum_tx_desc *, struct ieee80211_key *,
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uint32_t, uint8_t, uint8_t, int, int, int);
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static uint32_t rum_tx_crypto_flags(struct rum_softc *,
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struct ieee80211_node *,
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const struct ieee80211_key *);
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static int rum_tx_mgt(struct rum_softc *, struct mbuf *,
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struct ieee80211_node *);
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static int rum_tx_raw(struct rum_softc *, struct mbuf *,
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struct ieee80211_node *,
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const struct ieee80211_bpf_params *);
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static int rum_tx_data(struct rum_softc *, struct mbuf *,
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struct ieee80211_node *);
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static int rum_transmit(struct ieee80211com *, struct mbuf *);
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static void rum_start(struct rum_softc *);
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static void rum_parent(struct ieee80211com *);
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static void rum_eeprom_read(struct rum_softc *, uint16_t, void *,
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int);
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static uint32_t rum_read(struct rum_softc *, uint16_t);
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static void rum_read_multi(struct rum_softc *, uint16_t, void *,
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int);
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static usb_error_t rum_write(struct rum_softc *, uint16_t, uint32_t);
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static usb_error_t rum_write_multi(struct rum_softc *, uint16_t, void *,
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size_t);
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static usb_error_t rum_setbits(struct rum_softc *, uint16_t, uint32_t);
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static usb_error_t rum_clrbits(struct rum_softc *, uint16_t, uint32_t);
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static usb_error_t rum_modbits(struct rum_softc *, uint16_t, uint32_t,
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uint32_t);
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static int rum_bbp_busy(struct rum_softc *);
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static void rum_bbp_write(struct rum_softc *, uint8_t, uint8_t);
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static uint8_t rum_bbp_read(struct rum_softc *, uint8_t);
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static void rum_rf_write(struct rum_softc *, uint8_t, uint32_t);
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static void rum_select_antenna(struct rum_softc *);
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static void rum_enable_mrr(struct rum_softc *);
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static void rum_set_txpreamble(struct rum_softc *);
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static void rum_set_basicrates(struct rum_softc *);
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static void rum_select_band(struct rum_softc *,
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struct ieee80211_channel *);
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static void rum_set_chan(struct rum_softc *,
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struct ieee80211_channel *);
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static void rum_set_maxretry(struct rum_softc *,
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struct ieee80211vap *);
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static int rum_enable_tsf_sync(struct rum_softc *);
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static void rum_enable_tsf(struct rum_softc *);
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static void rum_abort_tsf_sync(struct rum_softc *);
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static void rum_get_tsf(struct rum_softc *, uint64_t *);
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static void rum_update_slot_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static void rum_update_slot(struct ieee80211com *);
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static int rum_wme_update(struct ieee80211com *);
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static void rum_set_bssid(struct rum_softc *, const uint8_t *);
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static void rum_set_macaddr(struct rum_softc *, const uint8_t *);
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static void rum_update_mcast(struct ieee80211com *);
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static void rum_update_promisc(struct ieee80211com *);
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static void rum_setpromisc(struct rum_softc *);
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static const char *rum_get_rf(int);
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static void rum_read_eeprom(struct rum_softc *);
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static int rum_bbp_wakeup(struct rum_softc *);
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static int rum_bbp_init(struct rum_softc *);
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static void rum_clr_shkey_regs(struct rum_softc *);
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static int rum_init(struct rum_softc *);
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static void rum_stop(struct rum_softc *);
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static void rum_load_microcode(struct rum_softc *, const uint8_t *,
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size_t);
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static int rum_set_sleep_time(struct rum_softc *, uint16_t);
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static int rum_reset(struct ieee80211vap *, u_long);
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static int rum_set_beacon(struct rum_softc *,
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struct ieee80211vap *);
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static int rum_alloc_beacon(struct rum_softc *,
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struct ieee80211vap *);
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static void rum_update_beacon_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static void rum_update_beacon(struct ieee80211vap *, int);
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static int rum_common_key_set(struct rum_softc *,
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struct ieee80211_key *, uint16_t);
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static void rum_group_key_set_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static void rum_group_key_del_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static void rum_pair_key_set_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static void rum_pair_key_del_cb(struct rum_softc *,
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union sec_param *, uint8_t);
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static int rum_key_alloc(struct ieee80211vap *,
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struct ieee80211_key *, ieee80211_keyix *,
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ieee80211_keyix *);
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static int rum_key_set(struct ieee80211vap *,
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const struct ieee80211_key *);
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static int rum_key_delete(struct ieee80211vap *,
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const struct ieee80211_key *);
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static int rum_raw_xmit(struct ieee80211_node *, struct mbuf *,
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const struct ieee80211_bpf_params *);
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static void rum_scan_start(struct ieee80211com *);
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static void rum_scan_end(struct ieee80211com *);
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static void rum_set_channel(struct ieee80211com *);
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static int rum_get_rssi(struct rum_softc *, uint8_t);
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static void rum_ratectl_start(struct rum_softc *,
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struct ieee80211_node *);
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static void rum_ratectl_timeout(void *);
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static void rum_ratectl_task(void *, int);
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static int rum_pause(struct rum_softc *, int);
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static const struct {
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uint32_t reg;
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uint32_t val;
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} rum_def_mac[] = {
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{ RT2573_TXRX_CSR0, 0x025fb032 },
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{ RT2573_TXRX_CSR1, 0x9eaa9eaf },
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{ RT2573_TXRX_CSR2, 0x8a8b8c8d },
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{ RT2573_TXRX_CSR3, 0x00858687 },
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{ RT2573_TXRX_CSR7, 0x2e31353b },
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{ RT2573_TXRX_CSR8, 0x2a2a2a2c },
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{ RT2573_TXRX_CSR15, 0x0000000f },
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{ RT2573_MAC_CSR6, 0x00000fff },
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{ RT2573_MAC_CSR8, 0x016c030a },
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{ RT2573_MAC_CSR10, 0x00000718 },
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{ RT2573_MAC_CSR12, 0x00000004 },
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{ RT2573_MAC_CSR13, 0x00007f00 },
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{ RT2573_SEC_CSR2, 0x00000000 },
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{ RT2573_SEC_CSR3, 0x00000000 },
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{ RT2573_SEC_CSR4, 0x00000000 },
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{ RT2573_PHY_CSR1, 0x000023b0 },
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{ RT2573_PHY_CSR5, 0x00040a06 },
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{ RT2573_PHY_CSR6, 0x00080606 },
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{ RT2573_PHY_CSR7, 0x00000408 },
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{ RT2573_AIFSN_CSR, 0x00002273 },
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{ RT2573_CWMIN_CSR, 0x00002344 },
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{ RT2573_CWMAX_CSR, 0x000034aa }
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};
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static const struct {
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uint8_t reg;
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uint8_t val;
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} rum_def_bbp[] = {
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{ 3, 0x80 },
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{ 15, 0x30 },
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{ 17, 0x20 },
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{ 21, 0xc8 },
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{ 22, 0x38 },
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{ 23, 0x06 },
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{ 24, 0xfe },
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{ 25, 0x0a },
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{ 26, 0x0d },
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{ 32, 0x0b },
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{ 34, 0x12 },
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{ 37, 0x07 },
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{ 39, 0xf8 },
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{ 41, 0x60 },
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{ 53, 0x10 },
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{ 54, 0x18 },
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{ 60, 0x10 },
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{ 61, 0x04 },
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{ 62, 0x04 },
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{ 75, 0xfe },
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{ 86, 0xfe },
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{ 88, 0xfe },
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{ 90, 0x0f },
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{ 99, 0x00 },
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{ 102, 0x16 },
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{ 107, 0x04 }
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};
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static const struct rfprog {
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uint8_t chan;
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uint32_t r1, r2, r3, r4;
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} rum_rf5226[] = {
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{ 1, 0x00b03, 0x001e1, 0x1a014, 0x30282 },
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{ 2, 0x00b03, 0x001e1, 0x1a014, 0x30287 },
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{ 3, 0x00b03, 0x001e2, 0x1a014, 0x30282 },
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{ 4, 0x00b03, 0x001e2, 0x1a014, 0x30287 },
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{ 5, 0x00b03, 0x001e3, 0x1a014, 0x30282 },
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{ 6, 0x00b03, 0x001e3, 0x1a014, 0x30287 },
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{ 7, 0x00b03, 0x001e4, 0x1a014, 0x30282 },
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{ 8, 0x00b03, 0x001e4, 0x1a014, 0x30287 },
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{ 9, 0x00b03, 0x001e5, 0x1a014, 0x30282 },
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{ 10, 0x00b03, 0x001e5, 0x1a014, 0x30287 },
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{ 11, 0x00b03, 0x001e6, 0x1a014, 0x30282 },
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{ 12, 0x00b03, 0x001e6, 0x1a014, 0x30287 },
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{ 13, 0x00b03, 0x001e7, 0x1a014, 0x30282 },
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{ 14, 0x00b03, 0x001e8, 0x1a014, 0x30284 },
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{ 34, 0x00b03, 0x20266, 0x36014, 0x30282 },
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{ 38, 0x00b03, 0x20267, 0x36014, 0x30284 },
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{ 42, 0x00b03, 0x20268, 0x36014, 0x30286 },
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{ 46, 0x00b03, 0x20269, 0x36014, 0x30288 },
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{ 36, 0x00b03, 0x00266, 0x26014, 0x30288 },
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{ 40, 0x00b03, 0x00268, 0x26014, 0x30280 },
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{ 44, 0x00b03, 0x00269, 0x26014, 0x30282 },
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{ 48, 0x00b03, 0x0026a, 0x26014, 0x30284 },
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{ 52, 0x00b03, 0x0026b, 0x26014, 0x30286 },
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{ 56, 0x00b03, 0x0026c, 0x26014, 0x30288 },
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{ 60, 0x00b03, 0x0026e, 0x26014, 0x30280 },
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{ 64, 0x00b03, 0x0026f, 0x26014, 0x30282 },
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{ 100, 0x00b03, 0x0028a, 0x2e014, 0x30280 },
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{ 104, 0x00b03, 0x0028b, 0x2e014, 0x30282 },
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{ 108, 0x00b03, 0x0028c, 0x2e014, 0x30284 },
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{ 112, 0x00b03, 0x0028d, 0x2e014, 0x30286 },
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{ 116, 0x00b03, 0x0028e, 0x2e014, 0x30288 },
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{ 120, 0x00b03, 0x002a0, 0x2e014, 0x30280 },
|
|
{ 124, 0x00b03, 0x002a1, 0x2e014, 0x30282 },
|
|
{ 128, 0x00b03, 0x002a2, 0x2e014, 0x30284 },
|
|
{ 132, 0x00b03, 0x002a3, 0x2e014, 0x30286 },
|
|
{ 136, 0x00b03, 0x002a4, 0x2e014, 0x30288 },
|
|
{ 140, 0x00b03, 0x002a6, 0x2e014, 0x30280 },
|
|
|
|
{ 149, 0x00b03, 0x002a8, 0x2e014, 0x30287 },
|
|
{ 153, 0x00b03, 0x002a9, 0x2e014, 0x30289 },
|
|
{ 157, 0x00b03, 0x002ab, 0x2e014, 0x30281 },
|
|
{ 161, 0x00b03, 0x002ac, 0x2e014, 0x30283 },
|
|
{ 165, 0x00b03, 0x002ad, 0x2e014, 0x30285 }
|
|
}, rum_rf5225[] = {
|
|
{ 1, 0x00b33, 0x011e1, 0x1a014, 0x30282 },
|
|
{ 2, 0x00b33, 0x011e1, 0x1a014, 0x30287 },
|
|
{ 3, 0x00b33, 0x011e2, 0x1a014, 0x30282 },
|
|
{ 4, 0x00b33, 0x011e2, 0x1a014, 0x30287 },
|
|
{ 5, 0x00b33, 0x011e3, 0x1a014, 0x30282 },
|
|
{ 6, 0x00b33, 0x011e3, 0x1a014, 0x30287 },
|
|
{ 7, 0x00b33, 0x011e4, 0x1a014, 0x30282 },
|
|
{ 8, 0x00b33, 0x011e4, 0x1a014, 0x30287 },
|
|
{ 9, 0x00b33, 0x011e5, 0x1a014, 0x30282 },
|
|
{ 10, 0x00b33, 0x011e5, 0x1a014, 0x30287 },
|
|
{ 11, 0x00b33, 0x011e6, 0x1a014, 0x30282 },
|
|
{ 12, 0x00b33, 0x011e6, 0x1a014, 0x30287 },
|
|
{ 13, 0x00b33, 0x011e7, 0x1a014, 0x30282 },
|
|
{ 14, 0x00b33, 0x011e8, 0x1a014, 0x30284 },
|
|
|
|
{ 34, 0x00b33, 0x01266, 0x26014, 0x30282 },
|
|
{ 38, 0x00b33, 0x01267, 0x26014, 0x30284 },
|
|
{ 42, 0x00b33, 0x01268, 0x26014, 0x30286 },
|
|
{ 46, 0x00b33, 0x01269, 0x26014, 0x30288 },
|
|
|
|
{ 36, 0x00b33, 0x01266, 0x26014, 0x30288 },
|
|
{ 40, 0x00b33, 0x01268, 0x26014, 0x30280 },
|
|
{ 44, 0x00b33, 0x01269, 0x26014, 0x30282 },
|
|
{ 48, 0x00b33, 0x0126a, 0x26014, 0x30284 },
|
|
{ 52, 0x00b33, 0x0126b, 0x26014, 0x30286 },
|
|
{ 56, 0x00b33, 0x0126c, 0x26014, 0x30288 },
|
|
{ 60, 0x00b33, 0x0126e, 0x26014, 0x30280 },
|
|
{ 64, 0x00b33, 0x0126f, 0x26014, 0x30282 },
|
|
|
|
{ 100, 0x00b33, 0x0128a, 0x2e014, 0x30280 },
|
|
{ 104, 0x00b33, 0x0128b, 0x2e014, 0x30282 },
|
|
{ 108, 0x00b33, 0x0128c, 0x2e014, 0x30284 },
|
|
{ 112, 0x00b33, 0x0128d, 0x2e014, 0x30286 },
|
|
{ 116, 0x00b33, 0x0128e, 0x2e014, 0x30288 },
|
|
{ 120, 0x00b33, 0x012a0, 0x2e014, 0x30280 },
|
|
{ 124, 0x00b33, 0x012a1, 0x2e014, 0x30282 },
|
|
{ 128, 0x00b33, 0x012a2, 0x2e014, 0x30284 },
|
|
{ 132, 0x00b33, 0x012a3, 0x2e014, 0x30286 },
|
|
{ 136, 0x00b33, 0x012a4, 0x2e014, 0x30288 },
|
|
{ 140, 0x00b33, 0x012a6, 0x2e014, 0x30280 },
|
|
|
|
{ 149, 0x00b33, 0x012a8, 0x2e014, 0x30287 },
|
|
{ 153, 0x00b33, 0x012a9, 0x2e014, 0x30289 },
|
|
{ 157, 0x00b33, 0x012ab, 0x2e014, 0x30281 },
|
|
{ 161, 0x00b33, 0x012ac, 0x2e014, 0x30283 },
|
|
{ 165, 0x00b33, 0x012ad, 0x2e014, 0x30285 }
|
|
};
|
|
|
|
static const struct usb_config rum_config[RUM_N_TRANSFER] = {
|
|
[RUM_BULK_WR] = {
|
|
.type = UE_BULK,
|
|
.endpoint = UE_ADDR_ANY,
|
|
.direction = UE_DIR_OUT,
|
|
.bufsize = (MCLBYTES + RT2573_TX_DESC_SIZE + 8),
|
|
.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
|
|
.callback = rum_bulk_write_callback,
|
|
.timeout = 5000, /* ms */
|
|
},
|
|
[RUM_BULK_RD] = {
|
|
.type = UE_BULK,
|
|
.endpoint = UE_ADDR_ANY,
|
|
.direction = UE_DIR_IN,
|
|
.bufsize = (MCLBYTES + RT2573_RX_DESC_SIZE),
|
|
.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
|
|
.callback = rum_bulk_read_callback,
|
|
},
|
|
};
|
|
|
|
static int
|
|
rum_match(device_t self)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(self);
|
|
|
|
if (uaa->usb_mode != USB_MODE_HOST)
|
|
return (ENXIO);
|
|
if (uaa->info.bConfigIndex != 0)
|
|
return (ENXIO);
|
|
if (uaa->info.bIfaceIndex != RT2573_IFACE_INDEX)
|
|
return (ENXIO);
|
|
|
|
return (usbd_lookup_id_by_uaa(rum_devs, sizeof(rum_devs), uaa));
|
|
}
|
|
|
|
static int
|
|
rum_attach(device_t self)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(self);
|
|
struct rum_softc *sc = device_get_softc(self);
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
uint32_t tmp;
|
|
uint8_t bands[howmany(IEEE80211_MODE_MAX, 8)];
|
|
uint8_t iface_index;
|
|
int error, ntries;
|
|
|
|
device_set_usb_desc(self);
|
|
sc->sc_udev = uaa->device;
|
|
sc->sc_dev = self;
|
|
|
|
RUM_LOCK_INIT(sc);
|
|
RUM_CMDQ_LOCK_INIT(sc);
|
|
mbufq_init(&sc->sc_snd, ifqmaxlen);
|
|
|
|
iface_index = RT2573_IFACE_INDEX;
|
|
error = usbd_transfer_setup(uaa->device, &iface_index,
|
|
sc->sc_xfer, rum_config, RUM_N_TRANSFER, sc, &sc->sc_mtx);
|
|
if (error) {
|
|
device_printf(self, "could not allocate USB transfers, "
|
|
"err=%s\n", usbd_errstr(error));
|
|
goto detach;
|
|
}
|
|
|
|
RUM_LOCK(sc);
|
|
/* retrieve RT2573 rev. no */
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if ((tmp = rum_read(sc, RT2573_MAC_CSR0)) != 0)
|
|
break;
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "timeout waiting for chip to settle\n");
|
|
RUM_UNLOCK(sc);
|
|
goto detach;
|
|
}
|
|
|
|
/* retrieve MAC address and various other things from EEPROM */
|
|
rum_read_eeprom(sc);
|
|
|
|
device_printf(sc->sc_dev, "MAC/BBP RT2573 (rev 0x%05x), RF %s\n",
|
|
tmp, rum_get_rf(sc->rf_rev));
|
|
|
|
rum_load_microcode(sc, rt2573_ucode, sizeof(rt2573_ucode));
|
|
RUM_UNLOCK(sc);
|
|
|
|
ic->ic_softc = sc;
|
|
ic->ic_name = device_get_nameunit(self);
|
|
ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
|
|
|
|
/* set device capabilities */
|
|
ic->ic_caps =
|
|
IEEE80211_C_STA /* station mode supported */
|
|
| IEEE80211_C_IBSS /* IBSS mode supported */
|
|
| IEEE80211_C_MONITOR /* monitor mode supported */
|
|
| IEEE80211_C_HOSTAP /* HostAp mode supported */
|
|
| IEEE80211_C_AHDEMO /* adhoc demo mode */
|
|
| IEEE80211_C_TXPMGT /* tx power management */
|
|
| IEEE80211_C_SHPREAMBLE /* short preamble supported */
|
|
| IEEE80211_C_SHSLOT /* short slot time supported */
|
|
| IEEE80211_C_BGSCAN /* bg scanning supported */
|
|
| IEEE80211_C_WPA /* 802.11i */
|
|
| IEEE80211_C_WME /* 802.11e */
|
|
| IEEE80211_C_PMGT /* Station-side power mgmt */
|
|
| IEEE80211_C_SWSLEEP /* net80211 managed power mgmt */
|
|
;
|
|
|
|
ic->ic_cryptocaps =
|
|
IEEE80211_CRYPTO_WEP |
|
|
IEEE80211_CRYPTO_AES_CCM |
|
|
IEEE80211_CRYPTO_TKIPMIC |
|
|
IEEE80211_CRYPTO_TKIP;
|
|
|
|
memset(bands, 0, sizeof(bands));
|
|
setbit(bands, IEEE80211_MODE_11B);
|
|
setbit(bands, IEEE80211_MODE_11G);
|
|
if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_5226)
|
|
setbit(bands, IEEE80211_MODE_11A);
|
|
ieee80211_init_channels(ic, NULL, bands);
|
|
|
|
ieee80211_ifattach(ic);
|
|
ic->ic_update_promisc = rum_update_promisc;
|
|
ic->ic_raw_xmit = rum_raw_xmit;
|
|
ic->ic_scan_start = rum_scan_start;
|
|
ic->ic_scan_end = rum_scan_end;
|
|
ic->ic_set_channel = rum_set_channel;
|
|
ic->ic_transmit = rum_transmit;
|
|
ic->ic_parent = rum_parent;
|
|
ic->ic_vap_create = rum_vap_create;
|
|
ic->ic_vap_delete = rum_vap_delete;
|
|
ic->ic_updateslot = rum_update_slot;
|
|
ic->ic_wme.wme_update = rum_wme_update;
|
|
ic->ic_update_mcast = rum_update_mcast;
|
|
|
|
ieee80211_radiotap_attach(ic,
|
|
&sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
|
|
RT2573_TX_RADIOTAP_PRESENT,
|
|
&sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
|
|
RT2573_RX_RADIOTAP_PRESENT);
|
|
|
|
TASK_INIT(&sc->cmdq_task, 0, rum_cmdq_cb, sc);
|
|
|
|
if (bootverbose)
|
|
ieee80211_announce(ic);
|
|
|
|
return (0);
|
|
|
|
detach:
|
|
rum_detach(self);
|
|
return (ENXIO); /* failure */
|
|
}
|
|
|
|
static int
|
|
rum_detach(device_t self)
|
|
{
|
|
struct rum_softc *sc = device_get_softc(self);
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
/* Prevent further ioctls */
|
|
RUM_LOCK(sc);
|
|
sc->sc_detached = 1;
|
|
RUM_UNLOCK(sc);
|
|
|
|
/* stop all USB transfers */
|
|
usbd_transfer_unsetup(sc->sc_xfer, RUM_N_TRANSFER);
|
|
|
|
/* free TX list, if any */
|
|
RUM_LOCK(sc);
|
|
rum_unsetup_tx_list(sc);
|
|
RUM_UNLOCK(sc);
|
|
|
|
if (ic->ic_softc == sc) {
|
|
ieee80211_draintask(ic, &sc->cmdq_task);
|
|
ieee80211_ifdetach(ic);
|
|
}
|
|
|
|
mbufq_drain(&sc->sc_snd);
|
|
RUM_CMDQ_LOCK_DESTROY(sc);
|
|
RUM_LOCK_DESTROY(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_do_request(struct rum_softc *sc,
|
|
struct usb_device_request *req, void *data)
|
|
{
|
|
usb_error_t err;
|
|
int ntries = 10;
|
|
|
|
while (ntries--) {
|
|
err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
|
|
req, data, 0, NULL, 250 /* ms */);
|
|
if (err == 0)
|
|
break;
|
|
|
|
DPRINTFN(1, "Control request failed, %s (retrying)\n",
|
|
usbd_errstr(err));
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
return (err);
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_do_mcu_request(struct rum_softc *sc, int request)
|
|
{
|
|
struct usb_device_request req;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = RT2573_MCU_CNTL;
|
|
USETW(req.wValue, request);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, 0);
|
|
|
|
return (rum_do_request(sc, &req, NULL));
|
|
}
|
|
|
|
static struct ieee80211vap *
|
|
rum_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 rum_softc *sc = ic->ic_softc;
|
|
struct rum_vap *rvp;
|
|
struct ieee80211vap *vap;
|
|
|
|
if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
|
|
return NULL;
|
|
rvp = malloc(sizeof(struct rum_vap), M_80211_VAP, M_WAITOK | M_ZERO);
|
|
vap = &rvp->vap;
|
|
/* enable s/w bmiss handling for sta mode */
|
|
|
|
if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
|
|
flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
|
|
/* out of memory */
|
|
free(rvp, M_80211_VAP);
|
|
return (NULL);
|
|
}
|
|
|
|
/* override state transition machine */
|
|
rvp->newstate = vap->iv_newstate;
|
|
vap->iv_newstate = rum_newstate;
|
|
vap->iv_key_alloc = rum_key_alloc;
|
|
vap->iv_key_set = rum_key_set;
|
|
vap->iv_key_delete = rum_key_delete;
|
|
vap->iv_update_beacon = rum_update_beacon;
|
|
vap->iv_reset = rum_reset;
|
|
vap->iv_max_aid = RT2573_ADDR_MAX;
|
|
|
|
if (opmode == IEEE80211_M_STA) {
|
|
/*
|
|
* Move device to the sleep state when
|
|
* beacon is received and there is no data for us.
|
|
*
|
|
* Used only for IEEE80211_S_SLEEP state.
|
|
*/
|
|
rvp->recv_mgmt = vap->iv_recv_mgmt;
|
|
vap->iv_recv_mgmt = rum_sta_recv_mgmt;
|
|
|
|
/* Ignored while sleeping. */
|
|
rvp->bmiss = vap->iv_bmiss;
|
|
vap->iv_bmiss = rum_beacon_miss;
|
|
}
|
|
|
|
usb_callout_init_mtx(&rvp->ratectl_ch, &sc->sc_mtx, 0);
|
|
TASK_INIT(&rvp->ratectl_task, 0, rum_ratectl_task, rvp);
|
|
ieee80211_ratectl_init(vap);
|
|
ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
|
|
/* complete setup */
|
|
ieee80211_vap_attach(vap, ieee80211_media_change,
|
|
ieee80211_media_status, mac);
|
|
ic->ic_opmode = opmode;
|
|
return vap;
|
|
}
|
|
|
|
static void
|
|
rum_vap_delete(struct ieee80211vap *vap)
|
|
{
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
|
|
m_freem(rvp->bcn_mbuf);
|
|
usb_callout_drain(&rvp->ratectl_ch);
|
|
ieee80211_draintask(ic, &rvp->ratectl_task);
|
|
ieee80211_ratectl_deinit(vap);
|
|
ieee80211_vap_detach(vap);
|
|
free(rvp, M_80211_VAP);
|
|
}
|
|
|
|
static void
|
|
rum_cmdq_cb(void *arg, int pending)
|
|
{
|
|
struct rum_softc *sc = arg;
|
|
struct rum_cmdq *rc;
|
|
|
|
RUM_CMDQ_LOCK(sc);
|
|
while (sc->cmdq[sc->cmdq_first].func != NULL) {
|
|
rc = &sc->cmdq[sc->cmdq_first];
|
|
RUM_CMDQ_UNLOCK(sc);
|
|
|
|
RUM_LOCK(sc);
|
|
rc->func(sc, &rc->data, rc->rvp_id);
|
|
RUM_UNLOCK(sc);
|
|
|
|
RUM_CMDQ_LOCK(sc);
|
|
memset(rc, 0, sizeof (*rc));
|
|
sc->cmdq_first = (sc->cmdq_first + 1) % RUM_CMDQ_SIZE;
|
|
}
|
|
RUM_CMDQ_UNLOCK(sc);
|
|
}
|
|
|
|
static int
|
|
rum_cmd_sleepable(struct rum_softc *sc, const void *ptr, size_t len,
|
|
uint8_t rvp_id, CMD_FUNC_PROTO)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
KASSERT(len <= sizeof(union sec_param), ("buffer overflow"));
|
|
|
|
RUM_CMDQ_LOCK(sc);
|
|
if (sc->cmdq[sc->cmdq_last].func != NULL) {
|
|
device_printf(sc->sc_dev, "%s: cmdq overflow\n", __func__);
|
|
RUM_CMDQ_UNLOCK(sc);
|
|
|
|
return EAGAIN;
|
|
}
|
|
|
|
if (ptr != NULL)
|
|
memcpy(&sc->cmdq[sc->cmdq_last].data, ptr, len);
|
|
sc->cmdq[sc->cmdq_last].rvp_id = rvp_id;
|
|
sc->cmdq[sc->cmdq_last].func = func;
|
|
sc->cmdq_last = (sc->cmdq_last + 1) % RUM_CMDQ_SIZE;
|
|
RUM_CMDQ_UNLOCK(sc);
|
|
|
|
ieee80211_runtask(ic, &sc->cmdq_task);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
rum_tx_free(struct rum_tx_data *data, int txerr)
|
|
{
|
|
struct rum_softc *sc = data->sc;
|
|
|
|
if (data->m != NULL) {
|
|
ieee80211_tx_complete(data->ni, data->m, txerr);
|
|
data->m = NULL;
|
|
data->ni = NULL;
|
|
}
|
|
STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
|
|
sc->tx_nfree++;
|
|
}
|
|
|
|
static void
|
|
rum_setup_tx_list(struct rum_softc *sc)
|
|
{
|
|
struct rum_tx_data *data;
|
|
int i;
|
|
|
|
sc->tx_nfree = 0;
|
|
STAILQ_INIT(&sc->tx_q);
|
|
STAILQ_INIT(&sc->tx_free);
|
|
|
|
for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
|
|
data = &sc->tx_data[i];
|
|
|
|
data->sc = sc;
|
|
STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
|
|
sc->tx_nfree++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_unsetup_tx_list(struct rum_softc *sc)
|
|
{
|
|
struct rum_tx_data *data;
|
|
int i;
|
|
|
|
/* make sure any subsequent use of the queues will fail */
|
|
sc->tx_nfree = 0;
|
|
STAILQ_INIT(&sc->tx_q);
|
|
STAILQ_INIT(&sc->tx_free);
|
|
|
|
/* free up all node references and mbufs */
|
|
for (i = 0; i < RUM_TX_LIST_COUNT; i++) {
|
|
data = &sc->tx_data[i];
|
|
|
|
if (data->m != NULL) {
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
}
|
|
if (data->ni != NULL) {
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_beacon_miss(struct ieee80211vap *vap)
|
|
{
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
int sleep;
|
|
|
|
RUM_LOCK(sc);
|
|
if (sc->sc_sleeping && sc->sc_sleep_end < ticks) {
|
|
DPRINTFN(12, "dropping 'sleeping' bit, "
|
|
"device must be awake now\n");
|
|
|
|
sc->sc_sleeping = 0;
|
|
}
|
|
|
|
sleep = sc->sc_sleeping;
|
|
RUM_UNLOCK(sc);
|
|
|
|
if (!sleep)
|
|
rvp->bmiss(vap);
|
|
#ifdef USB_DEBUG
|
|
else
|
|
DPRINTFN(13, "bmiss event is ignored whilst sleeping\n");
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
rum_sta_recv_mgmt(struct ieee80211_node *ni, struct mbuf *m, int subtype,
|
|
const struct ieee80211_rx_stats *rxs,
|
|
int rssi, int nf)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct rum_softc *sc = vap->iv_ic->ic_softc;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
|
|
if (vap->iv_state == IEEE80211_S_SLEEP &&
|
|
subtype == IEEE80211_FC0_SUBTYPE_BEACON) {
|
|
RUM_LOCK(sc);
|
|
DPRINTFN(12, "beacon, mybss %d (flags %02X)\n",
|
|
!!(sc->last_rx_flags & RT2573_RX_MYBSS),
|
|
sc->last_rx_flags);
|
|
|
|
if ((sc->last_rx_flags & (RT2573_RX_MYBSS | RT2573_RX_BC)) ==
|
|
(RT2573_RX_MYBSS | RT2573_RX_BC)) {
|
|
/*
|
|
* Put it to sleep here; in case if there is a data
|
|
* for us, iv_recv_mgmt() will wakeup the device via
|
|
* SLEEP -> RUN state transition.
|
|
*/
|
|
rum_set_power_state(sc, 1);
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
|
|
rvp->recv_mgmt(ni, m, subtype, rxs, rssi, nf);
|
|
}
|
|
|
|
static int
|
|
rum_set_power_state(struct rum_softc *sc, int sleep)
|
|
{
|
|
usb_error_t uerror;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
DPRINTFN(12, "moving to %s state (sleep time %u)\n",
|
|
sleep ? "sleep" : "awake", sc->sc_sleep_time);
|
|
|
|
uerror = rum_do_mcu_request(sc,
|
|
sleep ? RT2573_MCU_SLEEP : RT2573_MCU_WAKEUP);
|
|
if (uerror != USB_ERR_NORMAL_COMPLETION) {
|
|
device_printf(sc->sc_dev,
|
|
"%s: could not change power state: %s\n",
|
|
__func__, usbd_errstr(uerror));
|
|
return (EIO);
|
|
}
|
|
|
|
sc->sc_sleeping = !!sleep;
|
|
sc->sc_sleep_end = sleep ? ticks + sc->sc_sleep_time : 0;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
rum_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
|
|
{
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
const struct ieee80211_txparam *tp;
|
|
enum ieee80211_state ostate;
|
|
struct ieee80211_node *ni;
|
|
usb_error_t uerror;
|
|
int ret = 0;
|
|
|
|
ostate = vap->iv_state;
|
|
DPRINTF("%s -> %s\n",
|
|
ieee80211_state_name[ostate],
|
|
ieee80211_state_name[nstate]);
|
|
|
|
IEEE80211_UNLOCK(ic);
|
|
RUM_LOCK(sc);
|
|
usb_callout_stop(&rvp->ratectl_ch);
|
|
|
|
if (ostate == IEEE80211_S_SLEEP && vap->iv_opmode == IEEE80211_M_STA) {
|
|
rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_ACKCTS_PWRMGT);
|
|
rum_clrbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
|
|
|
|
/*
|
|
* Ignore any errors;
|
|
* any subsequent TX will wakeup it anyway
|
|
*/
|
|
(void) rum_set_power_state(sc, 0);
|
|
}
|
|
|
|
switch (nstate) {
|
|
case IEEE80211_S_INIT:
|
|
if (ostate == IEEE80211_S_RUN)
|
|
rum_abort_tsf_sync(sc);
|
|
|
|
break;
|
|
|
|
case IEEE80211_S_RUN:
|
|
if (ostate == IEEE80211_S_SLEEP)
|
|
break; /* already handled */
|
|
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
|
|
if (vap->iv_opmode != IEEE80211_M_MONITOR) {
|
|
if (ic->ic_bsschan == IEEE80211_CHAN_ANYC ||
|
|
ni->ni_chan == IEEE80211_CHAN_ANYC) {
|
|
ret = EINVAL;
|
|
goto run_fail;
|
|
}
|
|
rum_update_slot_cb(sc, NULL, 0);
|
|
rum_enable_mrr(sc);
|
|
rum_set_txpreamble(sc);
|
|
rum_set_basicrates(sc);
|
|
rum_set_maxretry(sc, vap);
|
|
IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
|
|
rum_set_bssid(sc, sc->sc_bssid);
|
|
}
|
|
|
|
if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
|
|
vap->iv_opmode == IEEE80211_M_IBSS) {
|
|
if ((ret = rum_alloc_beacon(sc, vap)) != 0)
|
|
goto run_fail;
|
|
}
|
|
|
|
if (vap->iv_opmode != IEEE80211_M_MONITOR &&
|
|
vap->iv_opmode != IEEE80211_M_AHDEMO) {
|
|
if ((ret = rum_enable_tsf_sync(sc)) != 0)
|
|
goto run_fail;
|
|
} else
|
|
rum_enable_tsf(sc);
|
|
|
|
/* enable automatic rate adaptation */
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
|
|
if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
|
|
rum_ratectl_start(sc, ni);
|
|
run_fail:
|
|
ieee80211_free_node(ni);
|
|
break;
|
|
case IEEE80211_S_SLEEP:
|
|
/* Implemented for STA mode only. */
|
|
if (vap->iv_opmode != IEEE80211_M_STA)
|
|
break;
|
|
|
|
uerror = rum_setbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
|
|
if (uerror != USB_ERR_NORMAL_COMPLETION) {
|
|
ret = EIO;
|
|
break;
|
|
}
|
|
|
|
uerror = rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_ACKCTS_PWRMGT);
|
|
if (uerror != USB_ERR_NORMAL_COMPLETION) {
|
|
ret = EIO;
|
|
break;
|
|
}
|
|
|
|
ret = rum_set_power_state(sc, 1);
|
|
if (ret != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"%s: could not move to the SLEEP state: %s\n",
|
|
__func__, usbd_errstr(uerror));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
IEEE80211_LOCK(ic);
|
|
return (ret == 0 ? rvp->newstate(vap, nstate, arg) : ret);
|
|
}
|
|
|
|
static void
|
|
rum_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct rum_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ieee80211vap *vap;
|
|
struct rum_tx_data *data;
|
|
struct mbuf *m;
|
|
struct usb_page_cache *pc;
|
|
unsigned int len;
|
|
int actlen, sumlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
DPRINTFN(11, "transfer complete, %d bytes\n", actlen);
|
|
|
|
/* free resources */
|
|
data = usbd_xfer_get_priv(xfer);
|
|
rum_tx_free(data, 0);
|
|
usbd_xfer_set_priv(xfer, NULL);
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
data = STAILQ_FIRST(&sc->tx_q);
|
|
if (data) {
|
|
STAILQ_REMOVE_HEAD(&sc->tx_q, next);
|
|
m = data->m;
|
|
|
|
if (m->m_pkthdr.len > (int)(MCLBYTES + RT2573_TX_DESC_SIZE)) {
|
|
DPRINTFN(0, "data overflow, %u bytes\n",
|
|
m->m_pkthdr.len);
|
|
m->m_pkthdr.len = (MCLBYTES + RT2573_TX_DESC_SIZE);
|
|
}
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_in(pc, 0, &data->desc, RT2573_TX_DESC_SIZE);
|
|
usbd_m_copy_in(pc, RT2573_TX_DESC_SIZE, m, 0,
|
|
m->m_pkthdr.len);
|
|
|
|
vap = data->ni->ni_vap;
|
|
if (ieee80211_radiotap_active_vap(vap)) {
|
|
struct rum_tx_radiotap_header *tap = &sc->sc_txtap;
|
|
|
|
tap->wt_flags = 0;
|
|
tap->wt_rate = data->rate;
|
|
rum_get_tsf(sc, &tap->wt_tsf);
|
|
tap->wt_antenna = sc->tx_ant;
|
|
|
|
ieee80211_radiotap_tx(vap, m);
|
|
}
|
|
|
|
/* align end on a 4-bytes boundary */
|
|
len = (RT2573_TX_DESC_SIZE + m->m_pkthdr.len + 3) & ~3;
|
|
if ((len % 64) == 0)
|
|
len += 4;
|
|
|
|
DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
|
|
m->m_pkthdr.len, len);
|
|
|
|
usbd_xfer_set_frame_len(xfer, 0, len);
|
|
usbd_xfer_set_priv(xfer, data);
|
|
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
rum_start(sc);
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(11, "transfer error, %s\n",
|
|
usbd_errstr(error));
|
|
|
|
counter_u64_add(sc->sc_ic.ic_oerrors, 1);
|
|
data = usbd_xfer_get_priv(xfer);
|
|
if (data != NULL) {
|
|
rum_tx_free(data, error);
|
|
usbd_xfer_set_priv(xfer, NULL);
|
|
}
|
|
|
|
if (error != USB_ERR_CANCELLED) {
|
|
if (error == USB_ERR_TIMEOUT)
|
|
device_printf(sc->sc_dev, "device timeout\n");
|
|
|
|
/*
|
|
* Try to clear stall first, also if other
|
|
* errors occur, hence clearing stall
|
|
* introduces a 50 ms delay:
|
|
*/
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct rum_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ieee80211_frame_min *wh;
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m = NULL;
|
|
struct usb_page_cache *pc;
|
|
uint32_t flags;
|
|
uint8_t rssi = 0;
|
|
int len;
|
|
|
|
usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTFN(15, "rx done, actlen=%d\n", len);
|
|
|
|
if (len < (int)(RT2573_RX_DESC_SIZE + IEEE80211_MIN_LEN)) {
|
|
DPRINTF("%s: xfer too short %d\n",
|
|
device_get_nameunit(sc->sc_dev), len);
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
goto tr_setup;
|
|
}
|
|
|
|
len -= RT2573_RX_DESC_SIZE;
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, 0, &sc->sc_rx_desc, RT2573_RX_DESC_SIZE);
|
|
|
|
rssi = rum_get_rssi(sc, sc->sc_rx_desc.rssi);
|
|
flags = le32toh(sc->sc_rx_desc.flags);
|
|
sc->last_rx_flags = flags;
|
|
if (flags & RT2573_RX_CRC_ERROR) {
|
|
/*
|
|
* This should not happen since we did not
|
|
* request to receive those frames when we
|
|
* filled RUM_TXRX_CSR2:
|
|
*/
|
|
DPRINTFN(5, "PHY or CRC error\n");
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
goto tr_setup;
|
|
}
|
|
if ((flags & RT2573_RX_DEC_MASK) != RT2573_RX_DEC_OK) {
|
|
switch (flags & RT2573_RX_DEC_MASK) {
|
|
case RT2573_RX_IV_ERROR:
|
|
DPRINTFN(5, "IV/EIV error\n");
|
|
break;
|
|
case RT2573_RX_MIC_ERROR:
|
|
DPRINTFN(5, "MIC error\n");
|
|
break;
|
|
case RT2573_RX_KEY_ERROR:
|
|
DPRINTFN(5, "Key error\n");
|
|
break;
|
|
}
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
goto tr_setup;
|
|
}
|
|
|
|
m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
|
|
if (m == NULL) {
|
|
DPRINTF("could not allocate mbuf\n");
|
|
counter_u64_add(ic->ic_ierrors, 1);
|
|
goto tr_setup;
|
|
}
|
|
usbd_copy_out(pc, RT2573_RX_DESC_SIZE,
|
|
mtod(m, uint8_t *), len);
|
|
|
|
wh = mtod(m, struct ieee80211_frame_min *);
|
|
|
|
if ((wh->i_fc[1] & IEEE80211_FC1_PROTECTED) &&
|
|
(flags & RT2573_RX_CIP_MASK) !=
|
|
RT2573_RX_CIP_MODE(RT2573_MODE_NOSEC)) {
|
|
wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
|
|
m->m_flags |= M_WEP;
|
|
}
|
|
|
|
/* finalize mbuf */
|
|
m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
|
|
|
|
if (ieee80211_radiotap_active(ic)) {
|
|
struct rum_rx_radiotap_header *tap = &sc->sc_rxtap;
|
|
|
|
tap->wr_flags = 0;
|
|
tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
|
|
(flags & RT2573_RX_OFDM) ?
|
|
IEEE80211_T_OFDM : IEEE80211_T_CCK);
|
|
rum_get_tsf(sc, &tap->wr_tsf);
|
|
tap->wr_antsignal = RT2573_NOISE_FLOOR + rssi;
|
|
tap->wr_antnoise = RT2573_NOISE_FLOOR;
|
|
tap->wr_antenna = sc->rx_ant;
|
|
}
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
|
|
/*
|
|
* At the end of a USB callback it is always safe to unlock
|
|
* the private mutex of a device! That is why we do the
|
|
* "ieee80211_input" here, and not some lines up!
|
|
*/
|
|
RUM_UNLOCK(sc);
|
|
if (m) {
|
|
if (m->m_len >= sizeof(struct ieee80211_frame_min))
|
|
ni = ieee80211_find_rxnode(ic, wh);
|
|
else
|
|
ni = NULL;
|
|
|
|
if (ni != NULL) {
|
|
(void) ieee80211_input(ni, m, rssi,
|
|
RT2573_NOISE_FLOOR);
|
|
ieee80211_free_node(ni);
|
|
} else
|
|
(void) ieee80211_input_all(ic, m, rssi,
|
|
RT2573_NOISE_FLOOR);
|
|
}
|
|
RUM_LOCK(sc);
|
|
rum_start(sc);
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static uint8_t
|
|
rum_plcp_signal(int rate)
|
|
{
|
|
switch (rate) {
|
|
/* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
|
|
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;
|
|
|
|
/* CCK rates (NB: not IEEE std, device-specific) */
|
|
case 2: return 0x0;
|
|
case 4: return 0x1;
|
|
case 11: return 0x2;
|
|
case 22: return 0x3;
|
|
}
|
|
return 0xff; /* XXX unsupported/unknown rate */
|
|
}
|
|
|
|
/*
|
|
* Map net80211 cipher to RT2573 security mode.
|
|
*/
|
|
static uint8_t
|
|
rum_crypto_mode(struct rum_softc *sc, u_int cipher, int keylen)
|
|
{
|
|
switch (cipher) {
|
|
case IEEE80211_CIPHER_WEP:
|
|
return (keylen < 8 ? RT2573_MODE_WEP40 : RT2573_MODE_WEP104);
|
|
case IEEE80211_CIPHER_TKIP:
|
|
return RT2573_MODE_TKIP;
|
|
case IEEE80211_CIPHER_AES_CCM:
|
|
return RT2573_MODE_AES_CCMP;
|
|
default:
|
|
device_printf(sc->sc_dev, "unknown cipher %d\n", cipher);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_setup_tx_desc(struct rum_softc *sc, struct rum_tx_desc *desc,
|
|
struct ieee80211_key *k, uint32_t flags, uint8_t xflags, uint8_t qid,
|
|
int hdrlen, int len, int rate)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct wmeParams *wmep = &sc->wme_params[qid];
|
|
uint16_t plcp_length;
|
|
int remainder;
|
|
|
|
flags |= RT2573_TX_VALID;
|
|
flags |= len << 16;
|
|
|
|
if (k != NULL && !(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
|
|
const struct ieee80211_cipher *cip = k->wk_cipher;
|
|
|
|
len += cip->ic_header + cip->ic_trailer + cip->ic_miclen;
|
|
|
|
desc->eiv = 0; /* for WEP */
|
|
cip->ic_setiv(k, (uint8_t *)&desc->iv);
|
|
}
|
|
|
|
/* setup PLCP fields */
|
|
desc->plcp_signal = rum_plcp_signal(rate);
|
|
desc->plcp_service = 4;
|
|
|
|
len += IEEE80211_CRC_LEN;
|
|
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
|
|
flags |= RT2573_TX_OFDM;
|
|
|
|
plcp_length = len & 0xfff;
|
|
desc->plcp_length_hi = plcp_length >> 6;
|
|
desc->plcp_length_lo = plcp_length & 0x3f;
|
|
} else {
|
|
if (rate == 0)
|
|
rate = 2; /* avoid division by zero */
|
|
plcp_length = (16 * len + rate - 1) / rate;
|
|
if (rate == 22) {
|
|
remainder = (16 * len) % 22;
|
|
if (remainder != 0 && remainder < 7)
|
|
desc->plcp_service |= RT2573_PLCP_LENGEXT;
|
|
}
|
|
desc->plcp_length_hi = plcp_length >> 8;
|
|
desc->plcp_length_lo = plcp_length & 0xff;
|
|
|
|
if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
|
|
desc->plcp_signal |= 0x08;
|
|
}
|
|
|
|
desc->flags = htole32(flags);
|
|
desc->hdrlen = hdrlen;
|
|
desc->xflags = xflags;
|
|
|
|
desc->wme = htole16(RT2573_QID(qid) |
|
|
RT2573_AIFSN(wmep->wmep_aifsn) |
|
|
RT2573_LOGCWMIN(wmep->wmep_logcwmin) |
|
|
RT2573_LOGCWMAX(wmep->wmep_logcwmax));
|
|
}
|
|
|
|
static int
|
|
rum_sendprot(struct rum_softc *sc,
|
|
const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
|
|
{
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
const struct ieee80211_frame *wh;
|
|
struct rum_tx_data *data;
|
|
struct mbuf *mprot;
|
|
int protrate, pktlen, flags, isshort;
|
|
uint16_t dur;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
|
|
("protection %d", prot));
|
|
|
|
wh = mtod(m, const struct ieee80211_frame *);
|
|
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
|
|
|
|
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
|
|
|
|
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
|
|
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
|
|
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
|
|
flags = 0;
|
|
if (prot == IEEE80211_PROT_RTSCTS) {
|
|
/* NB: CTS is the same size as an ACK */
|
|
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
|
|
flags |= RT2573_TX_NEED_ACK;
|
|
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
|
|
} else {
|
|
mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
|
|
}
|
|
if (mprot == NULL) {
|
|
/* XXX stat + msg */
|
|
return (ENOBUFS);
|
|
}
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = mprot;
|
|
data->ni = ieee80211_ref_node(ni);
|
|
data->rate = protrate;
|
|
rum_setup_tx_desc(sc, &data->desc, NULL, flags, 0, 0, 0,
|
|
mprot->m_pkthdr.len, protrate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t
|
|
rum_tx_crypto_flags(struct rum_softc *sc, struct ieee80211_node *ni,
|
|
const struct ieee80211_key *k)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
u_int cipher;
|
|
uint32_t flags = 0;
|
|
uint8_t mode, pos;
|
|
|
|
if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
|
|
cipher = k->wk_cipher->ic_cipher;
|
|
pos = k->wk_keyix;
|
|
mode = rum_crypto_mode(sc, cipher, k->wk_keylen);
|
|
if (mode == 0)
|
|
return 0;
|
|
|
|
flags |= RT2573_TX_CIP_MODE(mode);
|
|
|
|
/* Do not trust GROUP flag */
|
|
if (!(k >= &vap->iv_nw_keys[0] &&
|
|
k < &vap->iv_nw_keys[IEEE80211_WEP_NKID]))
|
|
flags |= RT2573_TX_KEY_PAIR;
|
|
else
|
|
pos += 0 * RT2573_SKEY_MAX; /* vap id */
|
|
|
|
flags |= RT2573_TX_KEY_ID(pos);
|
|
|
|
if (cipher == IEEE80211_CIPHER_TKIP)
|
|
flags |= RT2573_TX_TKIPMIC;
|
|
}
|
|
|
|
return flags;
|
|
}
|
|
|
|
static int
|
|
rum_tx_mgt(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct rum_tx_data *data;
|
|
struct ieee80211_frame *wh;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ieee80211_key *k = NULL;
|
|
uint32_t flags = 0;
|
|
uint16_t dur;
|
|
uint8_t ac, type, xflags = 0;
|
|
int hdrlen;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
|
|
hdrlen = ieee80211_anyhdrsize(wh);
|
|
ac = M_WME_GETAC(m0);
|
|
|
|
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
|
|
k = ieee80211_crypto_get_txkey(ni, m0);
|
|
if (k == NULL)
|
|
return (ENOENT);
|
|
|
|
if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) &&
|
|
!k->wk_cipher->ic_encap(k, m0))
|
|
return (ENOBUFS);
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
}
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
flags |= RT2573_TX_NEED_ACK;
|
|
|
|
dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
|
|
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
|
|
USETW(wh->i_dur, dur);
|
|
|
|
/* tell hardware to add timestamp for probe responses */
|
|
if (type == IEEE80211_FC0_TYPE_MGT &&
|
|
(wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
|
|
IEEE80211_FC0_SUBTYPE_PROBE_RESP)
|
|
flags |= RT2573_TX_TIMESTAMP;
|
|
}
|
|
|
|
if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
|
|
xflags |= RT2573_TX_HWSEQ;
|
|
|
|
if (k != NULL)
|
|
flags |= rum_tx_crypto_flags(sc, ni, k);
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = tp->mgmtrate;
|
|
|
|
rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, ac, hdrlen,
|
|
m0->m_pkthdr.len, tp->mgmtrate);
|
|
|
|
DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
|
|
m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, tp->mgmtrate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
rum_tx_raw(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
|
|
const struct ieee80211_bpf_params *params)
|
|
{
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
struct ieee80211_frame *wh;
|
|
struct rum_tx_data *data;
|
|
uint32_t flags;
|
|
uint8_t ac, type, xflags = 0;
|
|
int rate, error;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
|
|
|
|
ac = params->ibp_pri & 3;
|
|
|
|
rate = params->ibp_rate0;
|
|
if (!ieee80211_isratevalid(ic->ic_rt, rate))
|
|
return (EINVAL);
|
|
|
|
flags = 0;
|
|
if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
|
|
flags |= RT2573_TX_NEED_ACK;
|
|
if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
|
|
error = rum_sendprot(sc, m0, ni,
|
|
params->ibp_flags & IEEE80211_BPF_RTS ?
|
|
IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
|
|
rate);
|
|
if (error || sc->tx_nfree == 0)
|
|
return (ENOBUFS);
|
|
|
|
flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
|
|
}
|
|
|
|
if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
|
|
xflags |= RT2573_TX_HWSEQ;
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = rate;
|
|
|
|
/* XXX need to setup descriptor ourself */
|
|
rum_setup_tx_desc(sc, &data->desc, NULL, flags, xflags, ac, 0,
|
|
m0->m_pkthdr.len, rate);
|
|
|
|
DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
|
|
m0->m_pkthdr.len, rate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rum_tx_data(struct rum_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct rum_tx_data *data;
|
|
struct ieee80211_frame *wh;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ieee80211_key *k = NULL;
|
|
uint32_t flags = 0;
|
|
uint16_t dur;
|
|
uint8_t ac, type, qos, xflags = 0;
|
|
int error, hdrlen, rate;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
|
|
hdrlen = ieee80211_anyhdrsize(wh);
|
|
|
|
if (IEEE80211_QOS_HAS_SEQ(wh))
|
|
qos = ((const struct ieee80211_qosframe *)wh)->i_qos[0];
|
|
else
|
|
qos = 0;
|
|
ac = M_WME_GETAC(m0);
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
|
|
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
|
|
rate = tp->mcastrate;
|
|
else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
|
|
rate = tp->ucastrate;
|
|
else
|
|
rate = ni->ni_txrate;
|
|
|
|
if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) {
|
|
k = ieee80211_crypto_get_txkey(ni, m0);
|
|
if (k == NULL) {
|
|
m_freem(m0);
|
|
return (ENOENT);
|
|
}
|
|
if ((k->wk_flags & IEEE80211_KEY_SWCRYPT) &&
|
|
!k->wk_cipher->ic_encap(k, m0)) {
|
|
m_freem(m0);
|
|
return (ENOBUFS);
|
|
}
|
|
|
|
/* packet header may have moved, reset our local pointer */
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
}
|
|
|
|
if (type != IEEE80211_FC0_TYPE_CTL && !IEEE80211_QOS_HAS_SEQ(wh))
|
|
xflags |= RT2573_TX_HWSEQ;
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
int prot = IEEE80211_PROT_NONE;
|
|
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
|
|
prot = IEEE80211_PROT_RTSCTS;
|
|
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
|
|
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
|
|
prot = ic->ic_protmode;
|
|
if (prot != IEEE80211_PROT_NONE) {
|
|
error = rum_sendprot(sc, m0, ni, prot, rate);
|
|
if (error || sc->tx_nfree == 0) {
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
flags |= RT2573_TX_LONG_RETRY | RT2573_TX_IFS_SIFS;
|
|
}
|
|
}
|
|
|
|
if (k != NULL)
|
|
flags |= rum_tx_crypto_flags(sc, ni, k);
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = rate;
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
/* Unicast frame, check if an ACK is expected. */
|
|
if (!qos || (qos & IEEE80211_QOS_ACKPOLICY) !=
|
|
IEEE80211_QOS_ACKPOLICY_NOACK)
|
|
flags |= RT2573_TX_NEED_ACK;
|
|
|
|
dur = ieee80211_ack_duration(ic->ic_rt, rate,
|
|
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
|
|
USETW(wh->i_dur, dur);
|
|
}
|
|
|
|
rum_setup_tx_desc(sc, &data->desc, k, flags, xflags, ac, hdrlen,
|
|
m0->m_pkthdr.len, rate);
|
|
|
|
DPRINTFN(10, "sending frame len=%d rate=%d\n",
|
|
m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[RUM_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rum_transmit(struct ieee80211com *ic, struct mbuf *m)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
int error;
|
|
|
|
RUM_LOCK(sc);
|
|
if (!sc->sc_running) {
|
|
RUM_UNLOCK(sc);
|
|
return (ENXIO);
|
|
}
|
|
error = mbufq_enqueue(&sc->sc_snd, m);
|
|
if (error) {
|
|
RUM_UNLOCK(sc);
|
|
return (error);
|
|
}
|
|
rum_start(sc);
|
|
RUM_UNLOCK(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
rum_start(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
if (!sc->sc_running)
|
|
return;
|
|
|
|
while (sc->tx_nfree >= RUM_TX_MINFREE &&
|
|
(m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
|
|
ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
|
|
if (rum_tx_data(sc, m, ni) != 0) {
|
|
if_inc_counter(ni->ni_vap->iv_ifp,
|
|
IFCOUNTER_OERRORS, 1);
|
|
ieee80211_free_node(ni);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_parent(struct ieee80211com *ic)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
|
|
|
|
RUM_LOCK(sc);
|
|
if (sc->sc_detached) {
|
|
RUM_UNLOCK(sc);
|
|
return;
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
|
|
if (ic->ic_nrunning > 0) {
|
|
if (rum_init(sc) == 0)
|
|
ieee80211_start_all(ic);
|
|
else
|
|
ieee80211_stop(vap);
|
|
} else
|
|
rum_stop(sc);
|
|
}
|
|
|
|
static void
|
|
rum_eeprom_read(struct rum_softc *sc, uint16_t addr, void *buf, int len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = RT2573_READ_EEPROM;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, addr);
|
|
USETW(req.wLength, len);
|
|
|
|
error = rum_do_request(sc, &req, buf);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static uint32_t
|
|
rum_read(struct rum_softc *sc, uint16_t reg)
|
|
{
|
|
uint32_t val;
|
|
|
|
rum_read_multi(sc, reg, &val, sizeof val);
|
|
|
|
return le32toh(val);
|
|
}
|
|
|
|
static void
|
|
rum_read_multi(struct rum_softc *sc, uint16_t reg, void *buf, int len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = RT2573_READ_MULTI_MAC;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, reg);
|
|
USETW(req.wLength, len);
|
|
|
|
error = rum_do_request(sc, &req, buf);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not multi read MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_write(struct rum_softc *sc, uint16_t reg, uint32_t val)
|
|
{
|
|
uint32_t tmp = htole32(val);
|
|
|
|
return (rum_write_multi(sc, reg, &tmp, sizeof tmp));
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_write_multi(struct rum_softc *sc, uint16_t reg, void *buf, size_t len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
size_t offset;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = RT2573_WRITE_MULTI_MAC;
|
|
USETW(req.wValue, 0);
|
|
|
|
/* write at most 64 bytes at a time */
|
|
for (offset = 0; offset < len; offset += 64) {
|
|
USETW(req.wIndex, reg + offset);
|
|
USETW(req.wLength, MIN(len - offset, 64));
|
|
|
|
error = rum_do_request(sc, &req, (char *)buf + offset);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not multi write MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
return (error);
|
|
}
|
|
}
|
|
|
|
return (USB_ERR_NORMAL_COMPLETION);
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_setbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
|
|
{
|
|
return (rum_write(sc, reg, rum_read(sc, reg) | mask));
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_clrbits(struct rum_softc *sc, uint16_t reg, uint32_t mask)
|
|
{
|
|
return (rum_write(sc, reg, rum_read(sc, reg) & ~mask));
|
|
}
|
|
|
|
static usb_error_t
|
|
rum_modbits(struct rum_softc *sc, uint16_t reg, uint32_t set, uint32_t unset)
|
|
{
|
|
return (rum_write(sc, reg, (rum_read(sc, reg) & ~unset) | set));
|
|
}
|
|
|
|
static int
|
|
rum_bbp_busy(struct rum_softc *sc)
|
|
{
|
|
int ntries;
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (!(rum_read(sc, RT2573_PHY_CSR3) & RT2573_BBP_BUSY))
|
|
break;
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100)
|
|
return (ETIMEDOUT);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
rum_bbp_write(struct rum_softc *sc, uint8_t reg, uint8_t val)
|
|
{
|
|
uint32_t tmp;
|
|
|
|
DPRINTFN(2, "reg=0x%08x\n", reg);
|
|
|
|
if (rum_bbp_busy(sc) != 0) {
|
|
device_printf(sc->sc_dev, "could not write to BBP\n");
|
|
return;
|
|
}
|
|
|
|
tmp = RT2573_BBP_BUSY | (reg & 0x7f) << 8 | val;
|
|
rum_write(sc, RT2573_PHY_CSR3, tmp);
|
|
}
|
|
|
|
static uint8_t
|
|
rum_bbp_read(struct rum_softc *sc, uint8_t reg)
|
|
{
|
|
uint32_t val;
|
|
int ntries;
|
|
|
|
DPRINTFN(2, "reg=0x%08x\n", reg);
|
|
|
|
if (rum_bbp_busy(sc) != 0) {
|
|
device_printf(sc->sc_dev, "could not read BBP\n");
|
|
return 0;
|
|
}
|
|
|
|
val = RT2573_BBP_BUSY | RT2573_BBP_READ | reg << 8;
|
|
rum_write(sc, RT2573_PHY_CSR3, val);
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
val = rum_read(sc, RT2573_PHY_CSR3);
|
|
if (!(val & RT2573_BBP_BUSY))
|
|
return val & 0xff;
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
|
|
device_printf(sc->sc_dev, "could not read BBP\n");
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
rum_rf_write(struct rum_softc *sc, uint8_t reg, uint32_t val)
|
|
{
|
|
uint32_t tmp;
|
|
int ntries;
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (!(rum_read(sc, RT2573_PHY_CSR4) & RT2573_RF_BUSY))
|
|
break;
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "could not write to RF\n");
|
|
return;
|
|
}
|
|
|
|
tmp = RT2573_RF_BUSY | RT2573_RF_20BIT | (val & 0xfffff) << 2 |
|
|
(reg & 3);
|
|
rum_write(sc, RT2573_PHY_CSR4, tmp);
|
|
|
|
/* remember last written value in sc */
|
|
sc->rf_regs[reg] = val;
|
|
|
|
DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 3, val & 0xfffff);
|
|
}
|
|
|
|
static void
|
|
rum_select_antenna(struct rum_softc *sc)
|
|
{
|
|
uint8_t bbp4, bbp77;
|
|
uint32_t tmp;
|
|
|
|
bbp4 = rum_bbp_read(sc, 4);
|
|
bbp77 = rum_bbp_read(sc, 77);
|
|
|
|
/* TBD */
|
|
|
|
/* make sure Rx is disabled before switching antenna */
|
|
tmp = rum_read(sc, RT2573_TXRX_CSR0);
|
|
rum_write(sc, RT2573_TXRX_CSR0, tmp | RT2573_DISABLE_RX);
|
|
|
|
rum_bbp_write(sc, 4, bbp4);
|
|
rum_bbp_write(sc, 77, bbp77);
|
|
|
|
rum_write(sc, RT2573_TXRX_CSR0, tmp);
|
|
}
|
|
|
|
/*
|
|
* Enable multi-rate retries for frames sent at OFDM rates.
|
|
* In 802.11b/g mode, allow fallback to CCK rates.
|
|
*/
|
|
static void
|
|
rum_enable_mrr(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
if (!IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
|
|
rum_setbits(sc, RT2573_TXRX_CSR4,
|
|
RT2573_MRR_ENABLED | RT2573_MRR_CCK_FALLBACK);
|
|
} else {
|
|
rum_modbits(sc, RT2573_TXRX_CSR4,
|
|
RT2573_MRR_ENABLED, RT2573_MRR_CCK_FALLBACK);
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_set_txpreamble(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
|
|
rum_setbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
|
|
else
|
|
rum_clrbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_PREAMBLE);
|
|
}
|
|
|
|
static void
|
|
rum_set_basicrates(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
/* update basic rate set */
|
|
if (ic->ic_curmode == IEEE80211_MODE_11B) {
|
|
/* 11b basic rates: 1, 2Mbps */
|
|
rum_write(sc, RT2573_TXRX_CSR5, 0x3);
|
|
} else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan)) {
|
|
/* 11a basic rates: 6, 12, 24Mbps */
|
|
rum_write(sc, RT2573_TXRX_CSR5, 0x150);
|
|
} else {
|
|
/* 11b/g basic rates: 1, 2, 5.5, 11Mbps */
|
|
rum_write(sc, RT2573_TXRX_CSR5, 0xf);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Reprogram MAC/BBP to switch to a new band. Values taken from the reference
|
|
* driver.
|
|
*/
|
|
static void
|
|
rum_select_band(struct rum_softc *sc, struct ieee80211_channel *c)
|
|
{
|
|
uint8_t bbp17, bbp35, bbp96, bbp97, bbp98, bbp104;
|
|
|
|
/* update all BBP registers that depend on the band */
|
|
bbp17 = 0x20; bbp96 = 0x48; bbp104 = 0x2c;
|
|
bbp35 = 0x50; bbp97 = 0x48; bbp98 = 0x48;
|
|
if (IEEE80211_IS_CHAN_5GHZ(c)) {
|
|
bbp17 += 0x08; bbp96 += 0x10; bbp104 += 0x0c;
|
|
bbp35 += 0x10; bbp97 += 0x10; bbp98 += 0x10;
|
|
}
|
|
if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
|
|
(IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
|
|
bbp17 += 0x10; bbp96 += 0x10; bbp104 += 0x10;
|
|
}
|
|
|
|
sc->bbp17 = bbp17;
|
|
rum_bbp_write(sc, 17, bbp17);
|
|
rum_bbp_write(sc, 96, bbp96);
|
|
rum_bbp_write(sc, 104, bbp104);
|
|
|
|
if ((IEEE80211_IS_CHAN_2GHZ(c) && sc->ext_2ghz_lna) ||
|
|
(IEEE80211_IS_CHAN_5GHZ(c) && sc->ext_5ghz_lna)) {
|
|
rum_bbp_write(sc, 75, 0x80);
|
|
rum_bbp_write(sc, 86, 0x80);
|
|
rum_bbp_write(sc, 88, 0x80);
|
|
}
|
|
|
|
rum_bbp_write(sc, 35, bbp35);
|
|
rum_bbp_write(sc, 97, bbp97);
|
|
rum_bbp_write(sc, 98, bbp98);
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(c)) {
|
|
rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_2GHZ,
|
|
RT2573_PA_PE_5GHZ);
|
|
} else {
|
|
rum_modbits(sc, RT2573_PHY_CSR0, RT2573_PA_PE_5GHZ,
|
|
RT2573_PA_PE_2GHZ);
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_set_chan(struct rum_softc *sc, struct ieee80211_channel *c)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
const struct rfprog *rfprog;
|
|
uint8_t bbp3, bbp94 = RT2573_BBPR94_DEFAULT;
|
|
int8_t power;
|
|
int i, chan;
|
|
|
|
chan = ieee80211_chan2ieee(ic, c);
|
|
if (chan == 0 || chan == IEEE80211_CHAN_ANY)
|
|
return;
|
|
|
|
/* select the appropriate RF settings based on what EEPROM says */
|
|
rfprog = (sc->rf_rev == RT2573_RF_5225 ||
|
|
sc->rf_rev == RT2573_RF_2527) ? rum_rf5225 : rum_rf5226;
|
|
|
|
/* find the settings for this channel (we know it exists) */
|
|
for (i = 0; rfprog[i].chan != chan; i++);
|
|
|
|
power = sc->txpow[i];
|
|
if (power < 0) {
|
|
bbp94 += power;
|
|
power = 0;
|
|
} else if (power > 31) {
|
|
bbp94 += power - 31;
|
|
power = 31;
|
|
}
|
|
|
|
/*
|
|
* If we are switching from the 2GHz band to the 5GHz band or
|
|
* vice-versa, BBP registers need to be reprogrammed.
|
|
*/
|
|
if (c->ic_flags != ic->ic_curchan->ic_flags) {
|
|
rum_select_band(sc, c);
|
|
rum_select_antenna(sc);
|
|
}
|
|
ic->ic_curchan = c;
|
|
|
|
rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
|
|
rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
|
|
rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
|
|
rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
|
|
|
|
rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
|
|
rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
|
|
rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7 | 1);
|
|
rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
|
|
|
|
rum_rf_write(sc, RT2573_RF1, rfprog[i].r1);
|
|
rum_rf_write(sc, RT2573_RF2, rfprog[i].r2);
|
|
rum_rf_write(sc, RT2573_RF3, rfprog[i].r3 | power << 7);
|
|
rum_rf_write(sc, RT2573_RF4, rfprog[i].r4 | sc->rffreq << 10);
|
|
|
|
rum_pause(sc, hz / 100);
|
|
|
|
/* enable smart mode for MIMO-capable RFs */
|
|
bbp3 = rum_bbp_read(sc, 3);
|
|
|
|
bbp3 &= ~RT2573_SMART_MODE;
|
|
if (sc->rf_rev == RT2573_RF_5225 || sc->rf_rev == RT2573_RF_2527)
|
|
bbp3 |= RT2573_SMART_MODE;
|
|
|
|
rum_bbp_write(sc, 3, bbp3);
|
|
|
|
if (bbp94 != RT2573_BBPR94_DEFAULT)
|
|
rum_bbp_write(sc, 94, bbp94);
|
|
|
|
/* give the chip some extra time to do the switchover */
|
|
rum_pause(sc, hz / 100);
|
|
}
|
|
|
|
static void
|
|
rum_set_maxretry(struct rum_softc *sc, struct ieee80211vap *vap)
|
|
{
|
|
const struct ieee80211_txparam *tp;
|
|
struct ieee80211_node *ni = vap->iv_bss;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
|
|
rvp->maxretry = tp->maxretry < 0xf ? tp->maxretry : 0xf;
|
|
|
|
rum_modbits(sc, RT2573_TXRX_CSR4, RT2573_SHORT_RETRY(rvp->maxretry) |
|
|
RT2573_LONG_RETRY(rvp->maxretry),
|
|
RT2573_SHORT_RETRY_MASK | RT2573_LONG_RETRY_MASK);
|
|
}
|
|
|
|
/*
|
|
* Enable TSF synchronization and tell h/w to start sending beacons for IBSS
|
|
* and HostAP operating modes.
|
|
*/
|
|
static int
|
|
rum_enable_tsf_sync(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
|
|
uint32_t tmp;
|
|
uint16_t bintval;
|
|
|
|
if (vap->iv_opmode != IEEE80211_M_STA) {
|
|
/*
|
|
* Change default 16ms TBTT adjustment to 8ms.
|
|
* Must be done before enabling beacon generation.
|
|
*/
|
|
if (rum_write(sc, RT2573_TXRX_CSR10, 1 << 12 | 8) != 0)
|
|
return EIO;
|
|
}
|
|
|
|
tmp = rum_read(sc, RT2573_TXRX_CSR9) & 0xff000000;
|
|
|
|
/* set beacon interval (in 1/16ms unit) */
|
|
bintval = vap->iv_bss->ni_intval;
|
|
tmp |= bintval * 16;
|
|
tmp |= RT2573_TSF_TIMER_EN | RT2573_TBTT_TIMER_EN;
|
|
|
|
switch (vap->iv_opmode) {
|
|
case IEEE80211_M_STA:
|
|
/*
|
|
* Local TSF is always updated with remote TSF on beacon
|
|
* reception.
|
|
*/
|
|
tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_STA);
|
|
break;
|
|
case IEEE80211_M_IBSS:
|
|
/*
|
|
* Local TSF is updated with remote TSF on beacon reception
|
|
* only if the remote TSF is greater than local TSF.
|
|
*/
|
|
tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_IBSS);
|
|
tmp |= RT2573_BCN_TX_EN;
|
|
break;
|
|
case IEEE80211_M_HOSTAP:
|
|
/* SYNC with nobody */
|
|
tmp |= RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_HOSTAP);
|
|
tmp |= RT2573_BCN_TX_EN;
|
|
break;
|
|
default:
|
|
device_printf(sc->sc_dev,
|
|
"Enabling TSF failed. undefined opmode %d\n",
|
|
vap->iv_opmode);
|
|
return EINVAL;
|
|
}
|
|
|
|
if (rum_write(sc, RT2573_TXRX_CSR9, tmp) != 0)
|
|
return EIO;
|
|
|
|
/* refresh current sleep time */
|
|
return (rum_set_sleep_time(sc, bintval));
|
|
}
|
|
|
|
static void
|
|
rum_enable_tsf(struct rum_softc *sc)
|
|
{
|
|
rum_modbits(sc, RT2573_TXRX_CSR9, RT2573_TSF_TIMER_EN |
|
|
RT2573_TSF_SYNC_MODE(RT2573_TSF_SYNC_MODE_DIS), 0x00ffffff);
|
|
}
|
|
|
|
static void
|
|
rum_abort_tsf_sync(struct rum_softc *sc)
|
|
{
|
|
rum_clrbits(sc, RT2573_TXRX_CSR9, 0x00ffffff);
|
|
}
|
|
|
|
static void
|
|
rum_get_tsf(struct rum_softc *sc, uint64_t *buf)
|
|
{
|
|
rum_read_multi(sc, RT2573_TXRX_CSR12, buf, sizeof (*buf));
|
|
}
|
|
|
|
static void
|
|
rum_update_slot_cb(struct rum_softc *sc, union sec_param *data, uint8_t rvp_id)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
uint8_t slottime;
|
|
|
|
slottime = IEEE80211_GET_SLOTTIME(ic);
|
|
|
|
rum_modbits(sc, RT2573_MAC_CSR9, slottime, 0xff);
|
|
|
|
DPRINTF("setting slot time to %uus\n", slottime);
|
|
}
|
|
|
|
static void
|
|
rum_update_slot(struct ieee80211com *ic)
|
|
{
|
|
rum_cmd_sleepable(ic->ic_softc, NULL, 0, 0, rum_update_slot_cb);
|
|
}
|
|
|
|
static int
|
|
rum_wme_update(struct ieee80211com *ic)
|
|
{
|
|
const struct wmeParams *chanp =
|
|
ic->ic_wme.wme_chanParams.cap_wmeParams;
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
int error = 0;
|
|
|
|
RUM_LOCK(sc);
|
|
error = rum_write(sc, RT2573_AIFSN_CSR,
|
|
chanp[WME_AC_VO].wmep_aifsn << 12 |
|
|
chanp[WME_AC_VI].wmep_aifsn << 8 |
|
|
chanp[WME_AC_BK].wmep_aifsn << 4 |
|
|
chanp[WME_AC_BE].wmep_aifsn);
|
|
if (error)
|
|
goto print_err;
|
|
error = rum_write(sc, RT2573_CWMIN_CSR,
|
|
chanp[WME_AC_VO].wmep_logcwmin << 12 |
|
|
chanp[WME_AC_VI].wmep_logcwmin << 8 |
|
|
chanp[WME_AC_BK].wmep_logcwmin << 4 |
|
|
chanp[WME_AC_BE].wmep_logcwmin);
|
|
if (error)
|
|
goto print_err;
|
|
error = rum_write(sc, RT2573_CWMAX_CSR,
|
|
chanp[WME_AC_VO].wmep_logcwmax << 12 |
|
|
chanp[WME_AC_VI].wmep_logcwmax << 8 |
|
|
chanp[WME_AC_BK].wmep_logcwmax << 4 |
|
|
chanp[WME_AC_BE].wmep_logcwmax);
|
|
if (error)
|
|
goto print_err;
|
|
error = rum_write(sc, RT2573_TXOP01_CSR,
|
|
chanp[WME_AC_BK].wmep_txopLimit << 16 |
|
|
chanp[WME_AC_BE].wmep_txopLimit);
|
|
if (error)
|
|
goto print_err;
|
|
error = rum_write(sc, RT2573_TXOP23_CSR,
|
|
chanp[WME_AC_VO].wmep_txopLimit << 16 |
|
|
chanp[WME_AC_VI].wmep_txopLimit);
|
|
if (error)
|
|
goto print_err;
|
|
|
|
memcpy(sc->wme_params, chanp, sizeof(*chanp) * WME_NUM_AC);
|
|
|
|
print_err:
|
|
RUM_UNLOCK(sc);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "%s: WME update failed, error %d\n",
|
|
__func__, error);
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
rum_set_bssid(struct rum_softc *sc, const uint8_t *bssid)
|
|
{
|
|
|
|
rum_write(sc, RT2573_MAC_CSR4,
|
|
bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24);
|
|
rum_write(sc, RT2573_MAC_CSR5,
|
|
bssid[4] | bssid[5] << 8 | RT2573_NUM_BSSID_MSK(1));
|
|
}
|
|
|
|
static void
|
|
rum_set_macaddr(struct rum_softc *sc, const uint8_t *addr)
|
|
{
|
|
|
|
rum_write(sc, RT2573_MAC_CSR2,
|
|
addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
|
|
rum_write(sc, RT2573_MAC_CSR3,
|
|
addr[4] | addr[5] << 8 | 0xff << 16);
|
|
}
|
|
|
|
static void
|
|
rum_setpromisc(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
|
|
if (ic->ic_promisc == 0)
|
|
rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
|
|
else
|
|
rum_clrbits(sc, RT2573_TXRX_CSR0, RT2573_DROP_NOT_TO_ME);
|
|
|
|
DPRINTF("%s promiscuous mode\n", ic->ic_promisc > 0 ?
|
|
"entering" : "leaving");
|
|
}
|
|
|
|
static void
|
|
rum_update_promisc(struct ieee80211com *ic)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
|
|
RUM_LOCK(sc);
|
|
if (sc->sc_running)
|
|
rum_setpromisc(sc);
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
rum_update_mcast(struct ieee80211com *ic)
|
|
{
|
|
/* Ignore. */
|
|
}
|
|
|
|
static const char *
|
|
rum_get_rf(int rev)
|
|
{
|
|
switch (rev) {
|
|
case RT2573_RF_2527: return "RT2527 (MIMO XR)";
|
|
case RT2573_RF_2528: return "RT2528";
|
|
case RT2573_RF_5225: return "RT5225 (MIMO XR)";
|
|
case RT2573_RF_5226: return "RT5226";
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_read_eeprom(struct rum_softc *sc)
|
|
{
|
|
uint16_t val;
|
|
#ifdef RUM_DEBUG
|
|
int i;
|
|
#endif
|
|
|
|
/* read MAC address */
|
|
rum_eeprom_read(sc, RT2573_EEPROM_ADDRESS, sc->sc_ic.ic_macaddr, 6);
|
|
|
|
rum_eeprom_read(sc, RT2573_EEPROM_ANTENNA, &val, 2);
|
|
val = le16toh(val);
|
|
sc->rf_rev = (val >> 11) & 0x1f;
|
|
sc->hw_radio = (val >> 10) & 0x1;
|
|
sc->rx_ant = (val >> 4) & 0x3;
|
|
sc->tx_ant = (val >> 2) & 0x3;
|
|
sc->nb_ant = val & 0x3;
|
|
|
|
DPRINTF("RF revision=%d\n", sc->rf_rev);
|
|
|
|
rum_eeprom_read(sc, RT2573_EEPROM_CONFIG2, &val, 2);
|
|
val = le16toh(val);
|
|
sc->ext_5ghz_lna = (val >> 6) & 0x1;
|
|
sc->ext_2ghz_lna = (val >> 4) & 0x1;
|
|
|
|
DPRINTF("External 2GHz LNA=%d\nExternal 5GHz LNA=%d\n",
|
|
sc->ext_2ghz_lna, sc->ext_5ghz_lna);
|
|
|
|
rum_eeprom_read(sc, RT2573_EEPROM_RSSI_2GHZ_OFFSET, &val, 2);
|
|
val = le16toh(val);
|
|
if ((val & 0xff) != 0xff)
|
|
sc->rssi_2ghz_corr = (int8_t)(val & 0xff); /* signed */
|
|
|
|
/* Only [-10, 10] is valid */
|
|
if (sc->rssi_2ghz_corr < -10 || sc->rssi_2ghz_corr > 10)
|
|
sc->rssi_2ghz_corr = 0;
|
|
|
|
rum_eeprom_read(sc, RT2573_EEPROM_RSSI_5GHZ_OFFSET, &val, 2);
|
|
val = le16toh(val);
|
|
if ((val & 0xff) != 0xff)
|
|
sc->rssi_5ghz_corr = (int8_t)(val & 0xff); /* signed */
|
|
|
|
/* Only [-10, 10] is valid */
|
|
if (sc->rssi_5ghz_corr < -10 || sc->rssi_5ghz_corr > 10)
|
|
sc->rssi_5ghz_corr = 0;
|
|
|
|
if (sc->ext_2ghz_lna)
|
|
sc->rssi_2ghz_corr -= 14;
|
|
if (sc->ext_5ghz_lna)
|
|
sc->rssi_5ghz_corr -= 14;
|
|
|
|
DPRINTF("RSSI 2GHz corr=%d\nRSSI 5GHz corr=%d\n",
|
|
sc->rssi_2ghz_corr, sc->rssi_5ghz_corr);
|
|
|
|
rum_eeprom_read(sc, RT2573_EEPROM_FREQ_OFFSET, &val, 2);
|
|
val = le16toh(val);
|
|
if ((val & 0xff) != 0xff)
|
|
sc->rffreq = val & 0xff;
|
|
|
|
DPRINTF("RF freq=%d\n", sc->rffreq);
|
|
|
|
/* read Tx power for all a/b/g channels */
|
|
rum_eeprom_read(sc, RT2573_EEPROM_TXPOWER, sc->txpow, 14);
|
|
/* XXX default Tx power for 802.11a channels */
|
|
memset(sc->txpow + 14, 24, sizeof (sc->txpow) - 14);
|
|
#ifdef RUM_DEBUG
|
|
for (i = 0; i < 14; i++)
|
|
DPRINTF("Channel=%d Tx power=%d\n", i + 1, sc->txpow[i]);
|
|
#endif
|
|
|
|
/* read default values for BBP registers */
|
|
rum_eeprom_read(sc, RT2573_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
|
|
#ifdef RUM_DEBUG
|
|
for (i = 0; i < 14; i++) {
|
|
if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
|
|
continue;
|
|
DPRINTF("BBP R%d=%02x\n", sc->bbp_prom[i].reg,
|
|
sc->bbp_prom[i].val);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static int
|
|
rum_bbp_wakeup(struct rum_softc *sc)
|
|
{
|
|
unsigned int ntries;
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (rum_read(sc, RT2573_MAC_CSR12) & 8)
|
|
break;
|
|
rum_write(sc, RT2573_MAC_CSR12, 4); /* force wakeup */
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout waiting for BBP/RF to wakeup\n");
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
rum_bbp_init(struct rum_softc *sc)
|
|
{
|
|
int i, ntries;
|
|
|
|
/* wait for BBP to be ready */
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
const uint8_t val = rum_bbp_read(sc, 0);
|
|
if (val != 0 && val != 0xff)
|
|
break;
|
|
if (rum_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "timeout waiting for BBP\n");
|
|
return EIO;
|
|
}
|
|
|
|
/* initialize BBP registers to default values */
|
|
for (i = 0; i < nitems(rum_def_bbp); i++)
|
|
rum_bbp_write(sc, rum_def_bbp[i].reg, rum_def_bbp[i].val);
|
|
|
|
/* write vendor-specific BBP values (from EEPROM) */
|
|
for (i = 0; i < 16; i++) {
|
|
if (sc->bbp_prom[i].reg == 0 || sc->bbp_prom[i].reg == 0xff)
|
|
continue;
|
|
rum_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
rum_clr_shkey_regs(struct rum_softc *sc)
|
|
{
|
|
rum_write(sc, RT2573_SEC_CSR0, 0);
|
|
rum_write(sc, RT2573_SEC_CSR1, 0);
|
|
rum_write(sc, RT2573_SEC_CSR5, 0);
|
|
}
|
|
|
|
static int
|
|
rum_init(struct rum_softc *sc)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
|
|
uint32_t tmp;
|
|
int i, ret;
|
|
|
|
RUM_LOCK(sc);
|
|
if (sc->sc_running) {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
|
|
/* initialize MAC registers to default values */
|
|
for (i = 0; i < nitems(rum_def_mac); i++)
|
|
rum_write(sc, rum_def_mac[i].reg, rum_def_mac[i].val);
|
|
|
|
/* reset some WME parameters to default values */
|
|
sc->wme_params[0].wmep_aifsn = 2;
|
|
sc->wme_params[0].wmep_logcwmin = 4;
|
|
sc->wme_params[0].wmep_logcwmax = 10;
|
|
|
|
/* set host ready */
|
|
rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP);
|
|
rum_write(sc, RT2573_MAC_CSR1, 0);
|
|
|
|
/* wait for BBP/RF to wakeup */
|
|
if ((ret = rum_bbp_wakeup(sc)) != 0)
|
|
goto end;
|
|
|
|
if ((ret = rum_bbp_init(sc)) != 0)
|
|
goto end;
|
|
|
|
/* select default channel */
|
|
rum_select_band(sc, ic->ic_curchan);
|
|
rum_select_antenna(sc);
|
|
rum_set_chan(sc, ic->ic_curchan);
|
|
|
|
/* clear STA registers */
|
|
rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
|
|
|
|
/* clear security registers (if required) */
|
|
if (sc->sc_clr_shkeys == 0) {
|
|
rum_clr_shkey_regs(sc);
|
|
sc->sc_clr_shkeys = 1;
|
|
}
|
|
|
|
rum_set_macaddr(sc, vap ? vap->iv_myaddr : ic->ic_macaddr);
|
|
|
|
/* initialize ASIC */
|
|
rum_write(sc, RT2573_MAC_CSR1, RT2573_HOST_READY);
|
|
|
|
/*
|
|
* Allocate Tx and Rx xfer queues.
|
|
*/
|
|
rum_setup_tx_list(sc);
|
|
|
|
/* update Rx filter */
|
|
tmp = rum_read(sc, RT2573_TXRX_CSR0) & 0xffff;
|
|
|
|
tmp |= RT2573_DROP_PHY_ERROR | RT2573_DROP_CRC_ERROR;
|
|
if (ic->ic_opmode != IEEE80211_M_MONITOR) {
|
|
tmp |= RT2573_DROP_CTL | RT2573_DROP_VER_ERROR |
|
|
RT2573_DROP_ACKCTS;
|
|
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
|
|
tmp |= RT2573_DROP_TODS;
|
|
if (ic->ic_promisc == 0)
|
|
tmp |= RT2573_DROP_NOT_TO_ME;
|
|
}
|
|
rum_write(sc, RT2573_TXRX_CSR0, tmp);
|
|
|
|
sc->sc_running = 1;
|
|
usbd_xfer_set_stall(sc->sc_xfer[RUM_BULK_WR]);
|
|
usbd_transfer_start(sc->sc_xfer[RUM_BULK_RD]);
|
|
|
|
end: RUM_UNLOCK(sc);
|
|
|
|
if (ret != 0)
|
|
rum_stop(sc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
rum_stop(struct rum_softc *sc)
|
|
{
|
|
|
|
RUM_LOCK(sc);
|
|
if (!sc->sc_running) {
|
|
RUM_UNLOCK(sc);
|
|
return;
|
|
}
|
|
sc->sc_running = 0;
|
|
RUM_UNLOCK(sc);
|
|
|
|
/*
|
|
* Drain the USB transfers, if not already drained:
|
|
*/
|
|
usbd_transfer_drain(sc->sc_xfer[RUM_BULK_WR]);
|
|
usbd_transfer_drain(sc->sc_xfer[RUM_BULK_RD]);
|
|
|
|
RUM_LOCK(sc);
|
|
rum_unsetup_tx_list(sc);
|
|
|
|
/* disable Rx */
|
|
rum_setbits(sc, RT2573_TXRX_CSR0, RT2573_DISABLE_RX);
|
|
|
|
/* reset ASIC */
|
|
rum_write(sc, RT2573_MAC_CSR1, RT2573_RESET_ASIC | RT2573_RESET_BBP);
|
|
rum_write(sc, RT2573_MAC_CSR1, 0);
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
rum_load_microcode(struct rum_softc *sc, const uint8_t *ucode, size_t size)
|
|
{
|
|
uint16_t reg = RT2573_MCU_CODE_BASE;
|
|
usb_error_t err;
|
|
|
|
/* copy firmware image into NIC */
|
|
for (; size >= 4; reg += 4, ucode += 4, size -= 4) {
|
|
err = rum_write(sc, reg, UGETDW(ucode));
|
|
if (err) {
|
|
/* firmware already loaded ? */
|
|
device_printf(sc->sc_dev, "Firmware load "
|
|
"failure! (ignored)\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
err = rum_do_mcu_request(sc, RT2573_MCU_RUN);
|
|
if (err != USB_ERR_NORMAL_COMPLETION) {
|
|
device_printf(sc->sc_dev, "could not run firmware: %s\n",
|
|
usbd_errstr(err));
|
|
}
|
|
|
|
/* give the chip some time to boot */
|
|
rum_pause(sc, hz / 8);
|
|
}
|
|
|
|
static int
|
|
rum_set_sleep_time(struct rum_softc *sc, uint16_t bintval)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
usb_error_t uerror;
|
|
int exp, delay;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
exp = ic->ic_lintval / bintval;
|
|
delay = ic->ic_lintval % bintval;
|
|
|
|
if (exp > RT2573_TBCN_EXP_MAX)
|
|
exp = RT2573_TBCN_EXP_MAX;
|
|
if (delay > RT2573_TBCN_DELAY_MAX)
|
|
delay = RT2573_TBCN_DELAY_MAX;
|
|
|
|
uerror = rum_modbits(sc, RT2573_MAC_CSR11,
|
|
RT2573_TBCN_EXP(exp) |
|
|
RT2573_TBCN_DELAY(delay),
|
|
RT2573_TBCN_EXP(RT2573_TBCN_EXP_MAX) |
|
|
RT2573_TBCN_DELAY(RT2573_TBCN_DELAY_MAX));
|
|
|
|
if (uerror != USB_ERR_NORMAL_COMPLETION)
|
|
return (EIO);
|
|
|
|
sc->sc_sleep_time = IEEE80211_TU_TO_TICKS(exp * bintval + delay);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
rum_reset(struct ieee80211vap *vap, u_long cmd)
|
|
{
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct ieee80211_node *ni;
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
int error;
|
|
|
|
switch (cmd) {
|
|
case IEEE80211_IOC_POWERSAVE:
|
|
error = 0;
|
|
break;
|
|
case IEEE80211_IOC_POWERSAVESLEEP:
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
|
|
RUM_LOCK(sc);
|
|
error = rum_set_sleep_time(sc, ni->ni_intval);
|
|
if (vap->iv_state == IEEE80211_S_SLEEP) {
|
|
/* Use new values for wakeup timer. */
|
|
rum_clrbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
|
|
rum_setbits(sc, RT2573_MAC_CSR11, RT2573_AUTO_WAKEUP);
|
|
}
|
|
/* XXX send reassoc */
|
|
RUM_UNLOCK(sc);
|
|
|
|
ieee80211_free_node(ni);
|
|
break;
|
|
default:
|
|
error = ENETRESET;
|
|
break;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
rum_set_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
|
|
{
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
struct mbuf *m = rvp->bcn_mbuf;
|
|
const struct ieee80211_txparam *tp;
|
|
struct rum_tx_desc desc;
|
|
|
|
RUM_LOCK_ASSERT(sc);
|
|
|
|
if (m == NULL)
|
|
return EINVAL;
|
|
if (ic->ic_bsschan == IEEE80211_CHAN_ANYC)
|
|
return EINVAL;
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
|
|
rum_setup_tx_desc(sc, &desc, NULL, RT2573_TX_TIMESTAMP,
|
|
RT2573_TX_HWSEQ, 0, 0, m->m_pkthdr.len, tp->mgmtrate);
|
|
|
|
/* copy the Tx descriptor into NIC memory */
|
|
if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0), (uint8_t *)&desc,
|
|
RT2573_TX_DESC_SIZE) != 0)
|
|
return EIO;
|
|
|
|
/* copy beacon header and payload into NIC memory */
|
|
if (rum_write_multi(sc, RT2573_HW_BCN_BASE(0) + RT2573_TX_DESC_SIZE,
|
|
mtod(m, uint8_t *), m->m_pkthdr.len) != 0)
|
|
return EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
rum_alloc_beacon(struct rum_softc *sc, struct ieee80211vap *vap)
|
|
{
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
struct ieee80211_node *ni = vap->iv_bss;
|
|
struct mbuf *m;
|
|
|
|
if (ni->ni_chan == IEEE80211_CHAN_ANYC)
|
|
return EINVAL;
|
|
|
|
m = ieee80211_beacon_alloc(ni);
|
|
if (m == NULL)
|
|
return ENOMEM;
|
|
|
|
if (rvp->bcn_mbuf != NULL)
|
|
m_freem(rvp->bcn_mbuf);
|
|
|
|
rvp->bcn_mbuf = m;
|
|
|
|
return (rum_set_beacon(sc, vap));
|
|
}
|
|
|
|
static void
|
|
rum_update_beacon_cb(struct rum_softc *sc, union sec_param *data,
|
|
uint8_t rvp_id)
|
|
{
|
|
struct ieee80211vap *vap = data->vap;
|
|
|
|
rum_set_beacon(sc, vap);
|
|
}
|
|
|
|
static void
|
|
rum_update_beacon(struct ieee80211vap *vap, int item)
|
|
{
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
struct ieee80211_beacon_offsets *bo = &vap->iv_bcn_off;
|
|
struct ieee80211_node *ni = vap->iv_bss;
|
|
struct mbuf *m = rvp->bcn_mbuf;
|
|
int mcast = 0;
|
|
|
|
RUM_LOCK(sc);
|
|
if (m == NULL) {
|
|
m = ieee80211_beacon_alloc(ni);
|
|
if (m == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"%s: could not allocate beacon frame\n", __func__);
|
|
RUM_UNLOCK(sc);
|
|
return;
|
|
}
|
|
rvp->bcn_mbuf = m;
|
|
}
|
|
|
|
switch (item) {
|
|
case IEEE80211_BEACON_ERP:
|
|
rum_update_slot(ic);
|
|
break;
|
|
case IEEE80211_BEACON_TIM:
|
|
mcast = 1; /*TODO*/
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
|
|
setbit(bo->bo_flags, item);
|
|
ieee80211_beacon_update(ni, m, mcast);
|
|
|
|
rum_cmd_sleepable(sc, &vap, sizeof(vap), 0, rum_update_beacon_cb);
|
|
}
|
|
|
|
static int
|
|
rum_common_key_set(struct rum_softc *sc, struct ieee80211_key *k,
|
|
uint16_t base)
|
|
{
|
|
|
|
if (rum_write_multi(sc, base, k->wk_key, k->wk_keylen))
|
|
return EIO;
|
|
|
|
if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) {
|
|
if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE,
|
|
k->wk_txmic, 8))
|
|
return EIO;
|
|
if (rum_write_multi(sc, base + IEEE80211_KEYBUF_SIZE + 8,
|
|
k->wk_rxmic, 8))
|
|
return EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
rum_group_key_set_cb(struct rum_softc *sc, union sec_param *data,
|
|
uint8_t rvp_id)
|
|
{
|
|
struct ieee80211_key *k = &data->key;
|
|
uint8_t mode;
|
|
|
|
if (sc->sc_clr_shkeys == 0) {
|
|
rum_clr_shkey_regs(sc);
|
|
sc->sc_clr_shkeys = 1;
|
|
}
|
|
|
|
mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
|
|
if (mode == 0)
|
|
goto print_err;
|
|
|
|
DPRINTFN(1, "setting group key %d for vap %d, mode %d "
|
|
"(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode,
|
|
(k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
|
|
(k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
|
|
|
|
/* Install the key. */
|
|
if (rum_common_key_set(sc, k, RT2573_SKEY(rvp_id, k->wk_keyix)) != 0)
|
|
goto print_err;
|
|
|
|
/* Set cipher mode. */
|
|
if (rum_modbits(sc, rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5,
|
|
mode << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX,
|
|
RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX)
|
|
!= 0)
|
|
goto print_err;
|
|
|
|
/* Mark this key as valid. */
|
|
if (rum_setbits(sc, RT2573_SEC_CSR0,
|
|
1 << (rvp_id * RT2573_SKEY_MAX + k->wk_keyix)) != 0)
|
|
goto print_err;
|
|
|
|
return;
|
|
|
|
print_err:
|
|
device_printf(sc->sc_dev, "%s: cannot set group key %d for vap %d\n",
|
|
__func__, k->wk_keyix, rvp_id);
|
|
}
|
|
|
|
static void
|
|
rum_group_key_del_cb(struct rum_softc *sc, union sec_param *data,
|
|
uint8_t rvp_id)
|
|
{
|
|
struct ieee80211_key *k = &data->key;
|
|
|
|
DPRINTF("%s: removing group key %d for vap %d\n", __func__,
|
|
k->wk_keyix, rvp_id);
|
|
rum_clrbits(sc,
|
|
rvp_id < 2 ? RT2573_SEC_CSR1 : RT2573_SEC_CSR5,
|
|
RT2573_MODE_MASK << (rvp_id % 2 + k->wk_keyix) * RT2573_SKEY_MAX);
|
|
rum_clrbits(sc, RT2573_SEC_CSR0,
|
|
rvp_id * RT2573_SKEY_MAX + k->wk_keyix);
|
|
}
|
|
|
|
static void
|
|
rum_pair_key_set_cb(struct rum_softc *sc, union sec_param *data,
|
|
uint8_t rvp_id)
|
|
{
|
|
struct ieee80211_key *k = &data->key;
|
|
uint8_t buf[IEEE80211_ADDR_LEN + 1];
|
|
uint8_t mode;
|
|
|
|
mode = rum_crypto_mode(sc, k->wk_cipher->ic_cipher, k->wk_keylen);
|
|
if (mode == 0)
|
|
goto print_err;
|
|
|
|
DPRINTFN(1, "setting pairwise key %d for vap %d, mode %d "
|
|
"(tx %s, rx %s)\n", k->wk_keyix, rvp_id, mode,
|
|
(k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off",
|
|
(k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off");
|
|
|
|
/* Install the key. */
|
|
if (rum_common_key_set(sc, k, RT2573_PKEY(k->wk_keyix)) != 0)
|
|
goto print_err;
|
|
|
|
IEEE80211_ADDR_COPY(buf, k->wk_macaddr);
|
|
buf[IEEE80211_ADDR_LEN] = mode;
|
|
|
|
/* Set transmitter address and cipher mode. */
|
|
if (rum_write_multi(sc, RT2573_ADDR_ENTRY(k->wk_keyix),
|
|
buf, sizeof buf) != 0)
|
|
goto print_err;
|
|
|
|
/* Enable key table lookup for this vap. */
|
|
if (sc->vap_key_count[rvp_id]++ == 0)
|
|
if (rum_setbits(sc, RT2573_SEC_CSR4, 1 << rvp_id) != 0)
|
|
goto print_err;
|
|
|
|
/* Mark this key as valid. */
|
|
if (rum_setbits(sc,
|
|
k->wk_keyix < 32 ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3,
|
|
1 << (k->wk_keyix % 32)) != 0)
|
|
goto print_err;
|
|
|
|
return;
|
|
|
|
print_err:
|
|
device_printf(sc->sc_dev,
|
|
"%s: cannot set pairwise key %d, vap %d\n", __func__, k->wk_keyix,
|
|
rvp_id);
|
|
}
|
|
|
|
static void
|
|
rum_pair_key_del_cb(struct rum_softc *sc, union sec_param *data,
|
|
uint8_t rvp_id)
|
|
{
|
|
struct ieee80211_key *k = &data->key;
|
|
|
|
DPRINTF("%s: removing key %d\n", __func__, k->wk_keyix);
|
|
rum_clrbits(sc, (k->wk_keyix < 32) ? RT2573_SEC_CSR2 : RT2573_SEC_CSR3,
|
|
1 << (k->wk_keyix % 32));
|
|
sc->keys_bmap &= ~(1ULL << k->wk_keyix);
|
|
if (--sc->vap_key_count[rvp_id] == 0)
|
|
rum_clrbits(sc, RT2573_SEC_CSR4, 1 << rvp_id);
|
|
}
|
|
|
|
static int
|
|
rum_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
|
|
ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
|
|
{
|
|
struct rum_softc *sc = vap->iv_ic->ic_softc;
|
|
uint8_t i;
|
|
|
|
if (!(&vap->iv_nw_keys[0] <= k &&
|
|
k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
|
|
if (!(k->wk_flags & IEEE80211_KEY_SWCRYPT)) {
|
|
RUM_LOCK(sc);
|
|
for (i = 0; i < RT2573_ADDR_MAX; i++) {
|
|
if ((sc->keys_bmap & (1ULL << i)) == 0) {
|
|
sc->keys_bmap |= (1ULL << i);
|
|
*keyix = i;
|
|
break;
|
|
}
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
if (i == RT2573_ADDR_MAX) {
|
|
device_printf(sc->sc_dev,
|
|
"%s: no free space in the key table\n",
|
|
__func__);
|
|
return 0;
|
|
}
|
|
} else
|
|
*keyix = 0;
|
|
} else {
|
|
*keyix = k - vap->iv_nw_keys;
|
|
}
|
|
*rxkeyix = *keyix;
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
rum_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
|
|
{
|
|
struct rum_softc *sc = vap->iv_ic->ic_softc;
|
|
int group;
|
|
|
|
if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
|
|
/* Not for us. */
|
|
return 1;
|
|
}
|
|
|
|
group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID];
|
|
|
|
return !rum_cmd_sleepable(sc, k, sizeof(*k), 0,
|
|
group ? rum_group_key_set_cb : rum_pair_key_set_cb);
|
|
}
|
|
|
|
static int
|
|
rum_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
|
|
{
|
|
struct rum_softc *sc = vap->iv_ic->ic_softc;
|
|
int group;
|
|
|
|
if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
|
|
/* Not for us. */
|
|
return 1;
|
|
}
|
|
|
|
group = k >= &vap->iv_nw_keys[0] && k < &vap->iv_nw_keys[IEEE80211_WEP_NKID];
|
|
|
|
return !rum_cmd_sleepable(sc, k, sizeof(*k), 0,
|
|
group ? rum_group_key_del_cb : rum_pair_key_del_cb);
|
|
}
|
|
|
|
static int
|
|
rum_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
|
|
const struct ieee80211_bpf_params *params)
|
|
{
|
|
struct rum_softc *sc = ni->ni_ic->ic_softc;
|
|
int ret;
|
|
|
|
RUM_LOCK(sc);
|
|
/* prevent management frames from being sent if we're not ready */
|
|
if (!sc->sc_running) {
|
|
ret = ENETDOWN;
|
|
goto bad;
|
|
}
|
|
if (sc->tx_nfree < RUM_TX_MINFREE) {
|
|
ret = EIO;
|
|
goto bad;
|
|
}
|
|
|
|
if (params == NULL) {
|
|
/*
|
|
* Legacy path; interpret frame contents to decide
|
|
* precisely how to send the frame.
|
|
*/
|
|
if ((ret = rum_tx_mgt(sc, m, ni)) != 0)
|
|
goto bad;
|
|
} else {
|
|
/*
|
|
* Caller supplied explicit parameters to use in
|
|
* sending the frame.
|
|
*/
|
|
if ((ret = rum_tx_raw(sc, m, ni, params)) != 0)
|
|
goto bad;
|
|
}
|
|
RUM_UNLOCK(sc);
|
|
|
|
return 0;
|
|
bad:
|
|
RUM_UNLOCK(sc);
|
|
m_freem(m);
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
rum_ratectl_start(struct rum_softc *sc, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct rum_vap *rvp = RUM_VAP(vap);
|
|
|
|
/* clear statistic registers (STA_CSR0 to STA_CSR5) */
|
|
rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof sc->sta);
|
|
|
|
usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
|
|
}
|
|
|
|
static void
|
|
rum_ratectl_timeout(void *arg)
|
|
{
|
|
struct rum_vap *rvp = arg;
|
|
struct ieee80211vap *vap = &rvp->vap;
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
|
|
ieee80211_runtask(ic, &rvp->ratectl_task);
|
|
}
|
|
|
|
static void
|
|
rum_ratectl_task(void *arg, int pending)
|
|
{
|
|
struct rum_vap *rvp = arg;
|
|
struct ieee80211vap *vap = &rvp->vap;
|
|
struct rum_softc *sc = vap->iv_ic->ic_softc;
|
|
struct ieee80211_node *ni;
|
|
int ok[3], fail;
|
|
int sum, success, retrycnt;
|
|
|
|
RUM_LOCK(sc);
|
|
/* read and clear statistic registers (STA_CSR0 to STA_CSR5) */
|
|
rum_read_multi(sc, RT2573_STA_CSR0, sc->sta, sizeof(sc->sta));
|
|
|
|
ok[0] = (le32toh(sc->sta[4]) & 0xffff); /* TX ok w/o retry */
|
|
ok[1] = (le32toh(sc->sta[4]) >> 16); /* TX ok w/ one retry */
|
|
ok[2] = (le32toh(sc->sta[5]) & 0xffff); /* TX ok w/ multiple retries */
|
|
fail = (le32toh(sc->sta[5]) >> 16); /* TX retry-fail count */
|
|
|
|
success = ok[0] + ok[1] + ok[2];
|
|
sum = success + fail;
|
|
/* XXX at least */
|
|
retrycnt = ok[1] + ok[2] * 2 + fail * (rvp->maxretry + 1);
|
|
|
|
if (sum != 0) {
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
|
|
(void) ieee80211_ratectl_rate(ni, NULL, 0);
|
|
ieee80211_free_node(ni);
|
|
}
|
|
|
|
/* count TX retry-fail as Tx errors */
|
|
if_inc_counter(vap->iv_ifp, IFCOUNTER_OERRORS, fail);
|
|
|
|
usb_callout_reset(&rvp->ratectl_ch, hz, rum_ratectl_timeout, rvp);
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
rum_scan_start(struct ieee80211com *ic)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
|
|
RUM_LOCK(sc);
|
|
rum_abort_tsf_sync(sc);
|
|
rum_set_bssid(sc, ieee80211broadcastaddr);
|
|
RUM_UNLOCK(sc);
|
|
|
|
}
|
|
|
|
static void
|
|
rum_scan_end(struct ieee80211com *ic)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
|
|
if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) {
|
|
RUM_LOCK(sc);
|
|
if (ic->ic_opmode != IEEE80211_M_AHDEMO)
|
|
rum_enable_tsf_sync(sc);
|
|
else
|
|
rum_enable_tsf(sc);
|
|
rum_set_bssid(sc, sc->sc_bssid);
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
rum_set_channel(struct ieee80211com *ic)
|
|
{
|
|
struct rum_softc *sc = ic->ic_softc;
|
|
|
|
RUM_LOCK(sc);
|
|
rum_set_chan(sc, ic->ic_curchan);
|
|
RUM_UNLOCK(sc);
|
|
}
|
|
|
|
static int
|
|
rum_get_rssi(struct rum_softc *sc, uint8_t raw)
|
|
{
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
int lna, agc, rssi;
|
|
|
|
lna = (raw >> 5) & 0x3;
|
|
agc = raw & 0x1f;
|
|
|
|
if (lna == 0) {
|
|
/*
|
|
* No RSSI mapping
|
|
*
|
|
* NB: Since RSSI is relative to noise floor, -1 is
|
|
* adequate for caller to know error happened.
|
|
*/
|
|
return -1;
|
|
}
|
|
|
|
rssi = (2 * agc) - RT2573_NOISE_FLOOR;
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan)) {
|
|
rssi += sc->rssi_2ghz_corr;
|
|
|
|
if (lna == 1)
|
|
rssi -= 64;
|
|
else if (lna == 2)
|
|
rssi -= 74;
|
|
else if (lna == 3)
|
|
rssi -= 90;
|
|
} else {
|
|
rssi += sc->rssi_5ghz_corr;
|
|
|
|
if (!sc->ext_5ghz_lna && lna != 1)
|
|
rssi += 4;
|
|
|
|
if (lna == 1)
|
|
rssi -= 64;
|
|
else if (lna == 2)
|
|
rssi -= 86;
|
|
else if (lna == 3)
|
|
rssi -= 100;
|
|
}
|
|
return rssi;
|
|
}
|
|
|
|
static int
|
|
rum_pause(struct rum_softc *sc, int timeout)
|
|
{
|
|
|
|
usb_pause_mtx(&sc->sc_mtx, timeout);
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t rum_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, rum_match),
|
|
DEVMETHOD(device_attach, rum_attach),
|
|
DEVMETHOD(device_detach, rum_detach),
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t rum_driver = {
|
|
.name = "rum",
|
|
.methods = rum_methods,
|
|
.size = sizeof(struct rum_softc),
|
|
};
|
|
|
|
static devclass_t rum_devclass;
|
|
|
|
DRIVER_MODULE(rum, uhub, rum_driver, rum_devclass, NULL, 0);
|
|
MODULE_DEPEND(rum, wlan, 1, 1, 1);
|
|
MODULE_DEPEND(rum, usb, 1, 1, 1);
|
|
MODULE_VERSION(rum, 1);
|
|
USB_PNP_HOST_INFO(rum_devs);
|