2007-09-26 08:57:13 +08:00
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/*
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2010-08-07 02:45:38 +08:00
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Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
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Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
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2009-11-08 23:39:55 +08:00
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Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
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2007-09-26 08:57:13 +08:00
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<http://rt2x00.serialmonkey.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2x00
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Abstract: rt2x00 global information.
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*/
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#ifndef RT2X00_H
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#define RT2X00_H
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#include <linux/bitops.h>
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#include <linux/skbuff.h>
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#include <linux/workqueue.h>
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#include <linux/firmware.h>
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2008-02-03 22:53:40 +08:00
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#include <linux/leds.h>
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2007-10-27 19:43:29 +08:00
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#include <linux/mutex.h>
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2007-11-28 04:50:26 +08:00
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#include <linux/etherdevice.h>
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2009-01-04 02:56:02 +08:00
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#include <linux/input-polldev.h>
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2010-10-02 17:27:35 +08:00
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#include <linux/kfifo.h>
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2007-09-26 08:57:13 +08:00
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#include <net/mac80211.h>
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#include "rt2x00debug.h"
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2010-05-13 19:16:36 +08:00
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#include "rt2x00dump.h"
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2008-02-03 22:53:40 +08:00
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#include "rt2x00leds.h"
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2007-09-26 08:57:13 +08:00
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#include "rt2x00reg.h"
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2008-02-06 05:42:23 +08:00
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#include "rt2x00queue.h"
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2007-09-26 08:57:13 +08:00
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/*
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* Module information.
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*/
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2008-12-20 18:00:49 +08:00
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#define DRV_VERSION "2.3.0"
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2007-09-26 08:57:13 +08:00
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#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
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/*
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* Debug definitions.
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* Debug output has to be enabled during compile time.
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*/
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#define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
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printk(__kernlvl "%s -> %s: %s - " __msg, \
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2008-07-29 14:01:34 +08:00
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wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
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2007-09-26 08:57:13 +08:00
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#define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
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printk(__kernlvl "%s -> %s: %s - " __msg, \
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2008-07-29 14:01:34 +08:00
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KBUILD_MODNAME, __func__, __lvl, ##__args)
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2007-09-26 08:57:13 +08:00
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#ifdef CONFIG_RT2X00_DEBUG
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#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
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2010-12-13 19:38:49 +08:00
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DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args)
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2007-09-26 08:57:13 +08:00
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#else
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#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
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do { } while (0)
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#endif /* CONFIG_RT2X00_DEBUG */
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/*
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* Various debug levels.
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* The debug levels PANIC and ERROR both indicate serious problems,
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* for this reason they should never be ignored.
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* The special ERROR_PROBE message is for messages that are generated
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* when the rt2x00_dev is not yet initialized.
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*/
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#define PANIC(__dev, __msg, __args...) \
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DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
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#define ERROR(__dev, __msg, __args...) \
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DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
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#define ERROR_PROBE(__msg, __args...) \
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DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
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#define WARNING(__dev, __msg, __args...) \
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DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
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#define NOTICE(__dev, __msg, __args...) \
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DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
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#define INFO(__dev, __msg, __args...) \
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DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
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#define DEBUG(__dev, __msg, __args...) \
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DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
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#define EEPROM(__dev, __msg, __args...) \
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DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
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2008-11-10 03:47:00 +08:00
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/*
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* Duration calculations
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* The rate variable passed is: 100kbs.
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* To convert from bytes to bits we multiply size with 8,
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* then the size is multiplied with 10 to make the
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* real rate -> rate argument correction.
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*/
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#define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
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#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
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2009-12-05 06:47:01 +08:00
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/*
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* Determine the number of L2 padding bytes required between the header and
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* the payload.
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*/
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#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
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2009-04-26 22:08:50 +08:00
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/*
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* Determine the alignment requirement,
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* to make sure the 802.11 payload is padded to a 4-byte boundrary
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* we must determine the address of the payload and calculate the
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* amount of bytes needed to move the data.
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*/
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#define ALIGN_SIZE(__skb, __header) \
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( ((unsigned long)((__skb)->data + (__header))) & 3 )
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2009-12-30 18:36:30 +08:00
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/*
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* Constants for extra TX headroom for alignment purposes.
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*/
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#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
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#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
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2007-09-26 08:57:13 +08:00
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/*
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* Standard timing and size defines.
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* These values should follow the ieee80211 specifications.
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*/
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#define ACK_SIZE 14
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#define IEEE80211_HEADER 24
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#define PLCP 48
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#define BEACON 100
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#define PREAMBLE 144
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#define SHORT_PREAMBLE 72
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#define SLOT_TIME 20
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#define SHORT_SLOT_TIME 9
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#define SIFS 10
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#define PIFS ( SIFS + SLOT_TIME )
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#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
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#define DIFS ( PIFS + SLOT_TIME )
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#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
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2008-07-19 22:16:12 +08:00
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#define EIFS ( SIFS + DIFS + \
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2008-11-10 03:47:00 +08:00
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GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
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2008-07-19 22:16:12 +08:00
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#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
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2008-11-10 03:47:00 +08:00
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GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
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2007-09-26 08:57:13 +08:00
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2009-08-09 05:54:51 +08:00
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/*
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* Structure for average calculation
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* The avg field contains the actual average value,
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* but avg_weight is internally used during calculations
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* to prevent rounding errors.
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*/
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struct avg_val {
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int avg;
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int avg_weight;
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};
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2009-11-05 01:36:10 +08:00
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enum rt2x00_chip_intf {
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RT2X00_CHIP_INTF_PCI,
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2010-06-03 16:52:00 +08:00
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RT2X00_CHIP_INTF_PCIE,
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2009-11-05 01:36:10 +08:00
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RT2X00_CHIP_INTF_USB,
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2010-02-14 03:55:47 +08:00
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RT2X00_CHIP_INTF_SOC,
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2009-11-05 01:36:10 +08:00
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};
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2007-09-26 08:57:13 +08:00
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/*
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* Chipset identification
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* The chipset on the device is composed of a RT and RF chip.
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* The chipset combination is important for determining device capabilities.
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*/
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struct rt2x00_chip {
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u16 rt;
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2010-02-14 03:55:49 +08:00
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#define RT2460 0x2460
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#define RT2560 0x2560
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#define RT2570 0x2570
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#define RT2661 0x2661
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#define RT2573 0x2573
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2010-06-03 16:51:57 +08:00
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#define RT2860 0x2860 /* 2.4GHz */
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2010-04-11 20:31:09 +08:00
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#define RT2872 0x2872 /* WSOC */
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2010-02-14 03:55:49 +08:00
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#define RT2883 0x2883 /* WSOC */
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#define RT3070 0x3070
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#define RT3071 0x3071
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2009-10-16 04:04:14 +08:00
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#define RT3090 0x3090 /* 2.4GHz PCIe */
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2010-02-14 03:55:49 +08:00
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#define RT3390 0x3390
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#define RT3572 0x3572
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2010-04-11 20:31:09 +08:00
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#define RT3593 0x3593 /* PCIe */
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#define RT3883 0x3883 /* WSOC */
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2011-02-20 20:57:46 +08:00
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#define RT5390 0x5390 /* 2.4GHz */
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2007-09-26 08:57:13 +08:00
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u16 rf;
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2010-02-14 03:55:49 +08:00
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u16 rev;
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2009-11-05 01:36:10 +08:00
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enum rt2x00_chip_intf intf;
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2007-09-26 08:57:13 +08:00
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};
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/*
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* RF register values that belong to a particular channel.
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*/
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struct rf_channel {
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int channel;
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u32 rf1;
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u32 rf2;
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u32 rf3;
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u32 rf4;
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};
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2008-08-04 22:38:47 +08:00
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/*
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* Channel information structure
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*/
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struct channel_info {
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unsigned int flags;
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#define GEOGRAPHY_ALLOWED 0x00000001
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2010-08-24 01:56:07 +08:00
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short max_power;
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short default_power1;
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short default_power2;
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2008-08-04 22:38:47 +08:00
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};
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2007-10-13 22:26:23 +08:00
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/*
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* Antenna setup values.
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*/
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struct antenna_setup {
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enum antenna rx;
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enum antenna tx;
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2011-02-20 20:54:52 +08:00
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u8 rx_chain_num;
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u8 tx_chain_num;
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2007-10-13 22:26:23 +08:00
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};
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2007-09-26 08:57:13 +08:00
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/*
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2007-10-13 22:26:12 +08:00
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* Quality statistics about the currently active link.
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2007-09-26 08:57:13 +08:00
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*/
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2007-10-13 22:26:12 +08:00
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struct link_qual {
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2007-09-26 08:57:13 +08:00
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/*
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2008-12-20 17:54:54 +08:00
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* Statistics required for Link tuning by driver
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* The rssi value is provided by rt2x00lib during the
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* link_tuner() callback function.
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* The false_cca field is filled during the link_stats()
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* callback function and could be used during the
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* link_tuner() callback function.
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2007-09-26 08:57:13 +08:00
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*/
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2008-12-20 17:54:54 +08:00
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int rssi;
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2007-09-26 08:57:13 +08:00
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int false_cca;
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/*
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2008-12-20 17:54:54 +08:00
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* VGC levels
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* Hardware driver will tune the VGC level during each call
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* to the link_tuner() callback function. This vgc_level is
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* is determined based on the link quality statistics like
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* average RSSI and the false CCA count.
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2007-09-26 08:57:13 +08:00
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*
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2008-12-20 17:54:54 +08:00
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* In some cases the drivers need to differentiate between
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* the currently "desired" VGC level and the level configured
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* in the hardware. The latter is important to reduce the
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* number of BBP register reads to reduce register access
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* overhead. For this reason we store both values here.
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*/
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u8 vgc_level;
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u8 vgc_level_reg;
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/*
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* Statistics required for Signal quality calculation.
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* These fields might be changed during the link_stats()
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* callback function.
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2007-09-26 08:57:13 +08:00
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*/
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int rx_success;
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int rx_failed;
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int tx_success;
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int tx_failed;
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2007-10-13 22:26:12 +08:00
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};
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2007-10-13 22:26:36 +08:00
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/*
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* Antenna settings about the currently active link.
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*/
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struct link_ant {
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/*
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* Antenna flags
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*/
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unsigned int flags;
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#define ANTENNA_RX_DIVERSITY 0x00000001
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#define ANTENNA_TX_DIVERSITY 0x00000002
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#define ANTENNA_MODE_SAMPLE 0x00000004
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/*
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* Currently active TX/RX antenna setup.
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* When software diversity is used, this will indicate
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* which antenna is actually used at this time.
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*/
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struct antenna_setup active;
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/*
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2009-08-09 05:54:24 +08:00
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* RSSI history information for the antenna.
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* Used to determine when to switch antenna
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* when using software diversity.
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2007-10-13 22:26:36 +08:00
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*/
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2009-08-09 05:54:24 +08:00
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int rssi_history;
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2007-10-13 22:26:36 +08:00
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/*
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* Current RSSI average of the currently active antenna.
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* Similar to the avg_rssi in the link_qual structure
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* this value is updated by using the walking average.
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*/
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2009-08-09 05:54:51 +08:00
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struct avg_val rssi_ant;
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2007-10-13 22:26:36 +08:00
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};
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2007-10-13 22:26:12 +08:00
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/*
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* To optimize the quality of the link we need to store
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* the quality of received frames and periodically
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* optimize the link.
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*/
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struct link {
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/*
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|
|
|
* Link tuner counter
|
|
|
|
* The number of times the link has been tuned
|
|
|
|
* since the radio has been switched on.
|
|
|
|
*/
|
|
|
|
u32 count;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Quality measurement values.
|
|
|
|
*/
|
|
|
|
struct link_qual qual;
|
|
|
|
|
2007-10-13 22:26:23 +08:00
|
|
|
/*
|
2007-10-13 22:26:36 +08:00
|
|
|
* TX/RX antenna setup.
|
2007-10-13 22:26:23 +08:00
|
|
|
*/
|
2007-10-13 22:26:36 +08:00
|
|
|
struct link_ant ant;
|
2007-10-13 22:26:23 +08:00
|
|
|
|
2007-10-13 22:26:12 +08:00
|
|
|
/*
|
2008-12-20 17:54:54 +08:00
|
|
|
* Currently active average RSSI value
|
2007-10-13 22:26:12 +08:00
|
|
|
*/
|
2009-08-09 05:54:51 +08:00
|
|
|
struct avg_val avg_rssi;
|
2008-12-20 17:54:22 +08:00
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Work structure for scheduling periodic link tuning.
|
|
|
|
*/
|
|
|
|
struct delayed_work work;
|
2010-07-11 18:25:46 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Work structure for scheduling periodic watchdog monitoring.
|
2010-10-11 21:37:47 +08:00
|
|
|
* This work must be scheduled on the kernel workqueue, while
|
|
|
|
* all other work structures must be queued on the mac80211
|
|
|
|
* workqueue. This guarantees that the watchdog can schedule
|
|
|
|
* other work structures and wait for their completion in order
|
|
|
|
* to bring the device/driver back into the desired state.
|
2010-07-11 18:25:46 +08:00
|
|
|
*/
|
|
|
|
struct delayed_work watchdog_work;
|
2007-09-26 08:57:13 +08:00
|
|
|
};
|
|
|
|
|
2010-12-27 22:06:57 +08:00
|
|
|
enum rt2x00_delayed_flags {
|
|
|
|
DELAYED_UPDATE_BEACON,
|
|
|
|
};
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Interface structure
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
* Per interface configuration details, this structure
|
|
|
|
* is allocated as the private data for ieee80211_vif.
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
struct rt2x00_intf {
|
2009-08-09 05:55:18 +08:00
|
|
|
/*
|
|
|
|
* beacon->skb must be protected with the mutex.
|
|
|
|
*/
|
|
|
|
struct mutex beacon_skb_mutex;
|
|
|
|
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
/*
|
|
|
|
* Entry in the beacon queue which belongs to
|
|
|
|
* this interface. Each interface has its own
|
|
|
|
* dedicated beacon entry.
|
|
|
|
*/
|
|
|
|
struct queue_entry *beacon;
|
2011-01-30 20:16:03 +08:00
|
|
|
bool enable_beacon;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
/*
|
|
|
|
* Actions that needed rescheduling.
|
|
|
|
*/
|
2010-12-27 22:06:57 +08:00
|
|
|
unsigned long delayed_flags;
|
2008-07-10 17:21:26 +08:00
|
|
|
|
2008-07-28 16:21:16 +08:00
|
|
|
/*
|
|
|
|
* Software sequence counter, this is only required
|
|
|
|
* for hardware which doesn't support hardware
|
|
|
|
* sequence counting.
|
|
|
|
*/
|
|
|
|
spinlock_t seqlock;
|
2008-07-10 17:21:26 +08:00
|
|
|
u16 seqno;
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
return (struct rt2x00_intf *)vif->drv_priv;
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
2008-02-18 00:35:05 +08:00
|
|
|
/**
|
|
|
|
* struct hw_mode_spec: Hardware specifications structure
|
|
|
|
*
|
2007-09-26 08:57:13 +08:00
|
|
|
* Details about the supported modes, rates and channels
|
|
|
|
* of a particular chipset. This is used by rt2x00lib
|
|
|
|
* to build the ieee80211_hw_mode array for mac80211.
|
2008-02-18 00:35:05 +08:00
|
|
|
*
|
|
|
|
* @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
|
|
|
|
* @supported_rates: Rate types which are supported (CCK, OFDM).
|
|
|
|
* @num_channels: Number of supported channels. This is used as array size
|
|
|
|
* for @tx_power_a, @tx_power_bg and @channels.
|
2008-04-22 01:02:17 +08:00
|
|
|
* @channels: Device/chipset specific channel values (See &struct rf_channel).
|
2008-08-04 22:38:47 +08:00
|
|
|
* @channels_info: Additional information for channels (See &struct channel_info).
|
2009-04-26 22:09:32 +08:00
|
|
|
* @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
|
|
|
struct hw_mode_spec {
|
2008-02-18 00:35:05 +08:00
|
|
|
unsigned int supported_bands;
|
|
|
|
#define SUPPORT_BAND_2GHZ 0x00000001
|
|
|
|
#define SUPPORT_BAND_5GHZ 0x00000002
|
|
|
|
|
|
|
|
unsigned int supported_rates;
|
|
|
|
#define SUPPORT_RATE_CCK 0x00000001
|
|
|
|
#define SUPPORT_RATE_OFDM 0x00000002
|
|
|
|
|
|
|
|
unsigned int num_channels;
|
|
|
|
const struct rf_channel *channels;
|
2008-08-04 22:38:47 +08:00
|
|
|
const struct channel_info *channels_info;
|
2009-04-26 22:09:32 +08:00
|
|
|
|
|
|
|
struct ieee80211_sta_ht_cap ht;
|
2007-09-26 08:57:13 +08:00
|
|
|
};
|
|
|
|
|
2007-10-06 19:34:52 +08:00
|
|
|
/*
|
|
|
|
* Configuration structure wrapper around the
|
|
|
|
* mac80211 configuration structure.
|
|
|
|
* When mac80211 configures the driver, rt2x00lib
|
|
|
|
* can precalculate values which are equal for all
|
|
|
|
* rt2x00 drivers. Those values can be stored in here.
|
|
|
|
*/
|
|
|
|
struct rt2x00lib_conf {
|
|
|
|
struct ieee80211_conf *conf;
|
2008-08-04 22:38:47 +08:00
|
|
|
|
2007-10-06 19:34:52 +08:00
|
|
|
struct rf_channel rf;
|
2008-08-04 22:38:47 +08:00
|
|
|
struct channel_info channel;
|
2007-10-06 19:34:52 +08:00
|
|
|
};
|
|
|
|
|
2008-03-10 05:46:18 +08:00
|
|
|
/*
|
|
|
|
* Configuration structure for erp settings.
|
|
|
|
*/
|
|
|
|
struct rt2x00lib_erp {
|
|
|
|
int short_preamble;
|
2008-07-09 21:12:06 +08:00
|
|
|
int cts_protection;
|
2008-03-10 05:46:18 +08:00
|
|
|
|
2009-01-21 22:13:48 +08:00
|
|
|
u32 basic_rates;
|
2008-10-30 00:17:57 +08:00
|
|
|
|
|
|
|
int slot_time;
|
|
|
|
|
|
|
|
short sifs;
|
|
|
|
short pifs;
|
|
|
|
short difs;
|
|
|
|
short eifs;
|
2009-05-22 01:16:46 +08:00
|
|
|
|
|
|
|
u16 beacon_int;
|
2010-10-02 17:28:34 +08:00
|
|
|
u16 ht_opmode;
|
2008-03-10 05:46:18 +08:00
|
|
|
};
|
|
|
|
|
2008-08-04 22:37:44 +08:00
|
|
|
/*
|
|
|
|
* Configuration structure for hardware encryption.
|
|
|
|
*/
|
|
|
|
struct rt2x00lib_crypto {
|
|
|
|
enum cipher cipher;
|
|
|
|
|
|
|
|
enum set_key_cmd cmd;
|
|
|
|
const u8 *address;
|
|
|
|
|
|
|
|
u32 bssidx;
|
|
|
|
|
|
|
|
u8 key[16];
|
|
|
|
u8 tx_mic[8];
|
|
|
|
u8 rx_mic[8];
|
|
|
|
};
|
|
|
|
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
/*
|
|
|
|
* Configuration structure wrapper around the
|
|
|
|
* rt2x00 interface configuration handler.
|
|
|
|
*/
|
|
|
|
struct rt2x00intf_conf {
|
|
|
|
/*
|
|
|
|
* Interface type
|
|
|
|
*/
|
2008-09-11 06:01:58 +08:00
|
|
|
enum nl80211_iftype type;
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* TSF sync value, this is dependant on the operation type.
|
|
|
|
*/
|
|
|
|
enum tsf_sync sync;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The MAC and BSSID addressess are simple array of bytes,
|
|
|
|
* these arrays are little endian, so when sending the addressess
|
|
|
|
* to the drivers, copy the it into a endian-signed variable.
|
|
|
|
*
|
|
|
|
* Note that all devices (except rt2500usb) have 32 bits
|
|
|
|
* register word sizes. This means that whatever variable we
|
|
|
|
* pass _must_ be a multiple of 32 bits. Otherwise the device
|
|
|
|
* might not accept what we are sending to it.
|
|
|
|
* This will also make it easier for the driver to write
|
|
|
|
* the data to the device.
|
|
|
|
*/
|
|
|
|
__le32 mac[2];
|
|
|
|
__le32 bssid[2];
|
|
|
|
};
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* rt2x00lib callback functions.
|
|
|
|
*/
|
|
|
|
struct rt2x00lib_ops {
|
|
|
|
/*
|
|
|
|
* Interrupt handlers.
|
|
|
|
*/
|
|
|
|
irq_handler_t irq_handler;
|
|
|
|
|
2010-10-02 17:27:35 +08:00
|
|
|
/*
|
|
|
|
* TX status tasklet handler.
|
|
|
|
*/
|
|
|
|
void (*txstatus_tasklet) (unsigned long data);
|
2011-01-30 20:17:52 +08:00
|
|
|
void (*pretbtt_tasklet) (unsigned long data);
|
|
|
|
void (*tbtt_tasklet) (unsigned long data);
|
|
|
|
void (*rxdone_tasklet) (unsigned long data);
|
|
|
|
void (*autowake_tasklet) (unsigned long data);
|
2010-10-02 17:27:35 +08:00
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Device init handlers.
|
|
|
|
*/
|
|
|
|
int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
|
|
|
|
char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
|
2009-01-28 07:33:47 +08:00
|
|
|
int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u8 *data, const size_t len);
|
|
|
|
int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u8 *data, const size_t len);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Device initialization/deinitialization handlers.
|
|
|
|
*/
|
|
|
|
int (*initialize) (struct rt2x00_dev *rt2x00dev);
|
|
|
|
void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
|
|
|
|
|
2008-01-07 06:41:45 +08:00
|
|
|
/*
|
2008-02-06 05:42:23 +08:00
|
|
|
* queue initialization handlers
|
2008-01-07 06:41:45 +08:00
|
|
|
*/
|
2008-11-08 22:25:33 +08:00
|
|
|
bool (*get_entry_state) (struct queue_entry *entry);
|
|
|
|
void (*clear_entry) (struct queue_entry *entry);
|
2008-01-07 06:41:45 +08:00
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Radio control handlers.
|
|
|
|
*/
|
|
|
|
int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
enum dev_state state);
|
|
|
|
int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
|
2007-10-13 22:26:12 +08:00
|
|
|
void (*link_stats) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct link_qual *qual);
|
2008-12-20 17:54:54 +08:00
|
|
|
void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct link_qual *qual);
|
|
|
|
void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct link_qual *qual, const u32 count);
|
2010-12-13 19:34:54 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Data queue handlers.
|
|
|
|
*/
|
2010-07-11 18:25:46 +08:00
|
|
|
void (*watchdog) (struct rt2x00_dev *rt2x00dev);
|
2010-12-13 19:34:54 +08:00
|
|
|
void (*start_queue) (struct data_queue *queue);
|
|
|
|
void (*kick_queue) (struct data_queue *queue);
|
|
|
|
void (*stop_queue) (struct data_queue *queue);
|
2010-12-13 19:35:40 +08:00
|
|
|
void (*flush_queue) (struct data_queue *queue);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* TX control handlers
|
|
|
|
*/
|
2010-08-24 01:53:39 +08:00
|
|
|
void (*write_tx_desc) (struct queue_entry *entry,
|
2008-05-10 19:42:31 +08:00
|
|
|
struct txentry_desc *txdesc);
|
2010-06-30 03:42:23 +08:00
|
|
|
void (*write_tx_data) (struct queue_entry *entry,
|
|
|
|
struct txentry_desc *txdesc);
|
2010-05-09 05:40:25 +08:00
|
|
|
void (*write_beacon) (struct queue_entry *entry,
|
|
|
|
struct txentry_desc *txdesc);
|
2011-01-30 20:16:03 +08:00
|
|
|
void (*clear_beacon) (struct queue_entry *entry);
|
2008-11-14 06:07:33 +08:00
|
|
|
int (*get_tx_data_len) (struct queue_entry *entry);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* RX control handlers
|
|
|
|
*/
|
2008-02-06 05:42:23 +08:00
|
|
|
void (*fill_rxdone) (struct queue_entry *entry,
|
|
|
|
struct rxdone_entry_desc *rxdesc);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Configuration handlers.
|
|
|
|
*/
|
2008-08-04 22:37:44 +08:00
|
|
|
int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct rt2x00lib_crypto *crypto,
|
|
|
|
struct ieee80211_key_conf *key);
|
|
|
|
int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct rt2x00lib_crypto *crypto,
|
|
|
|
struct ieee80211_key_conf *key);
|
2008-03-25 21:13:18 +08:00
|
|
|
void (*config_filter) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
const unsigned int filter_flags);
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
void (*config_intf) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct rt2x00_intf *intf,
|
|
|
|
struct rt2x00intf_conf *conf,
|
|
|
|
const unsigned int flags);
|
|
|
|
#define CONFIG_UPDATE_TYPE ( 1 << 1 )
|
|
|
|
#define CONFIG_UPDATE_MAC ( 1 << 2 )
|
|
|
|
#define CONFIG_UPDATE_BSSID ( 1 << 3 )
|
|
|
|
|
2008-03-25 21:13:18 +08:00
|
|
|
void (*config_erp) (struct rt2x00_dev *rt2x00dev,
|
2010-09-09 02:56:32 +08:00
|
|
|
struct rt2x00lib_erp *erp,
|
|
|
|
u32 changed);
|
2008-10-30 00:17:57 +08:00
|
|
|
void (*config_ant) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct antenna_setup *ant);
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
void (*config) (struct rt2x00_dev *rt2x00dev,
|
|
|
|
struct rt2x00lib_conf *libconf,
|
2008-10-30 00:17:57 +08:00
|
|
|
const unsigned int changed_flags);
|
2007-09-26 08:57:13 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* rt2x00 driver callback operation structure.
|
|
|
|
*/
|
|
|
|
struct rt2x00_ops {
|
|
|
|
const char *name;
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
const unsigned int max_sta_intf;
|
|
|
|
const unsigned int max_ap_intf;
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int eeprom_size;
|
|
|
|
const unsigned int rf_size;
|
2008-05-10 19:43:33 +08:00
|
|
|
const unsigned int tx_queues;
|
2009-11-24 05:44:52 +08:00
|
|
|
const unsigned int extra_tx_headroom;
|
2008-02-06 05:42:23 +08:00
|
|
|
const struct data_queue_desc *rx;
|
|
|
|
const struct data_queue_desc *tx;
|
|
|
|
const struct data_queue_desc *bcn;
|
|
|
|
const struct data_queue_desc *atim;
|
2007-09-26 08:57:13 +08:00
|
|
|
const struct rt2x00lib_ops *lib;
|
2010-07-11 18:31:23 +08:00
|
|
|
const void *drv;
|
2007-09-26 08:57:13 +08:00
|
|
|
const struct ieee80211_ops *hw;
|
|
|
|
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
|
|
|
|
const struct rt2x00debug *debugfs;
|
|
|
|
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
|
|
|
|
};
|
|
|
|
|
2007-10-06 20:13:06 +08:00
|
|
|
/*
|
|
|
|
* rt2x00 device flags
|
|
|
|
*/
|
|
|
|
enum rt2x00_flags {
|
|
|
|
/*
|
|
|
|
* Device state flags
|
|
|
|
*/
|
2008-08-30 03:04:26 +08:00
|
|
|
DEVICE_STATE_PRESENT,
|
|
|
|
DEVICE_STATE_REGISTERED_HW,
|
|
|
|
DEVICE_STATE_INITIALIZED,
|
|
|
|
DEVICE_STATE_STARTED,
|
|
|
|
DEVICE_STATE_ENABLED_RADIO,
|
2010-07-11 18:24:47 +08:00
|
|
|
DEVICE_STATE_SCANNING,
|
2007-10-06 20:13:06 +08:00
|
|
|
|
|
|
|
/*
|
2008-08-04 22:37:44 +08:00
|
|
|
* Driver requirements
|
2007-10-06 20:13:06 +08:00
|
|
|
*/
|
|
|
|
DRIVER_REQUIRE_FIRMWARE,
|
2008-02-06 05:42:23 +08:00
|
|
|
DRIVER_REQUIRE_BEACON_GUARD,
|
|
|
|
DRIVER_REQUIRE_ATIM_QUEUE,
|
2008-06-17 01:56:31 +08:00
|
|
|
DRIVER_REQUIRE_DMA,
|
2008-12-20 17:56:36 +08:00
|
|
|
DRIVER_REQUIRE_COPY_IV,
|
2009-04-26 22:08:50 +08:00
|
|
|
DRIVER_REQUIRE_L2PAD,
|
2010-10-02 17:27:35 +08:00
|
|
|
DRIVER_REQUIRE_TXSTATUS_FIFO,
|
2010-11-30 23:49:23 +08:00
|
|
|
DRIVER_REQUIRE_TASKLET_CONTEXT,
|
2011-03-04 02:42:01 +08:00
|
|
|
DRIVER_REQUIRE_SW_SEQNO,
|
2011-03-04 02:42:35 +08:00
|
|
|
DRIVER_REQUIRE_HT_TX_DESC,
|
2007-10-06 20:13:06 +08:00
|
|
|
|
|
|
|
/*
|
2008-08-04 22:37:44 +08:00
|
|
|
* Driver features
|
2007-10-06 20:13:06 +08:00
|
|
|
*/
|
|
|
|
CONFIG_SUPPORT_HW_BUTTON,
|
2008-08-04 22:37:44 +08:00
|
|
|
CONFIG_SUPPORT_HW_CRYPTO,
|
2011-02-20 20:55:25 +08:00
|
|
|
CONFIG_SUPPORT_POWER_LIMIT,
|
2009-08-09 05:55:55 +08:00
|
|
|
DRIVER_SUPPORT_CONTROL_FILTERS,
|
|
|
|
DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
|
2010-07-11 18:28:23 +08:00
|
|
|
DRIVER_SUPPORT_PRE_TBTT_INTERRUPT,
|
2010-07-11 18:24:22 +08:00
|
|
|
DRIVER_SUPPORT_LINK_TUNING,
|
2008-08-04 22:37:44 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Driver configuration
|
|
|
|
*/
|
2007-10-06 20:13:06 +08:00
|
|
|
CONFIG_FRAME_TYPE,
|
|
|
|
CONFIG_RF_SEQUENCE,
|
|
|
|
CONFIG_EXTERNAL_LNA_A,
|
|
|
|
CONFIG_EXTERNAL_LNA_BG,
|
|
|
|
CONFIG_DOUBLE_ANTENNA,
|
2009-04-26 22:09:32 +08:00
|
|
|
CONFIG_CHANNEL_HT40,
|
2007-10-06 20:13:06 +08:00
|
|
|
};
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* rt2x00 device structure.
|
|
|
|
*/
|
|
|
|
struct rt2x00_dev {
|
|
|
|
/*
|
|
|
|
* Device structure.
|
|
|
|
* The structure stored in here depends on the
|
|
|
|
* system bus (PCI or USB).
|
|
|
|
* When accessing this variable, the rt2x00dev_{pci,usb}
|
2009-07-18 03:39:19 +08:00
|
|
|
* macros should be used for correct typecasting.
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
2008-06-17 01:55:43 +08:00
|
|
|
struct device *dev;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Callback functions.
|
|
|
|
*/
|
|
|
|
const struct rt2x00_ops *ops;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* IEEE80211 control structure.
|
|
|
|
*/
|
|
|
|
struct ieee80211_hw *hw;
|
2008-01-25 02:38:38 +08:00
|
|
|
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
|
|
|
|
enum ieee80211_band curr_band;
|
2010-08-07 02:49:27 +08:00
|
|
|
int curr_freq;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* If enabled, the debugfs interface structures
|
|
|
|
* required for deregistration of debugfs.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
|
2007-11-28 04:49:29 +08:00
|
|
|
struct rt2x00debug_intf *debugfs_intf;
|
2007-09-26 08:57:13 +08:00
|
|
|
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
|
|
|
|
|
2008-02-03 22:53:40 +08:00
|
|
|
/*
|
|
|
|
* LED structure for changing the LED status
|
|
|
|
* by mac8011 or the kernel.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_RT2X00_LIB_LEDS
|
|
|
|
struct rt2x00_led led_radio;
|
|
|
|
struct rt2x00_led led_assoc;
|
|
|
|
struct rt2x00_led led_qual;
|
|
|
|
u16 led_mcu_reg;
|
|
|
|
#endif /* CONFIG_RT2X00_LIB_LEDS */
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Device flags.
|
|
|
|
* In these flags the current status and some
|
|
|
|
* of the device capabilities are stored.
|
|
|
|
*/
|
|
|
|
unsigned long flags;
|
|
|
|
|
2009-03-29 03:51:24 +08:00
|
|
|
/*
|
|
|
|
* Device information, Bus IRQ and name (PCI, SoC)
|
|
|
|
*/
|
|
|
|
int irq;
|
|
|
|
const char *name;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Chipset identification.
|
|
|
|
*/
|
|
|
|
struct rt2x00_chip chip;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* hw capability specifications.
|
|
|
|
*/
|
|
|
|
struct hw_mode_spec spec;
|
|
|
|
|
2007-10-13 22:26:23 +08:00
|
|
|
/*
|
|
|
|
* This is the default TX/RX antenna setup as indicated
|
2008-11-02 07:38:10 +08:00
|
|
|
* by the device's EEPROM.
|
2007-10-13 22:26:23 +08:00
|
|
|
*/
|
|
|
|
struct antenna_setup default_ant;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Register pointers
|
2008-02-11 05:49:13 +08:00
|
|
|
* csr.base: CSR base register address. (PCI)
|
|
|
|
* csr.cache: CSR cache for usb_control_msg. (USB)
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
2008-02-11 05:49:13 +08:00
|
|
|
union csr {
|
|
|
|
void __iomem *base;
|
|
|
|
void *cache;
|
|
|
|
} csr;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
2007-10-27 19:43:29 +08:00
|
|
|
/*
|
2008-11-10 06:40:46 +08:00
|
|
|
* Mutex to protect register accesses.
|
|
|
|
* For PCI and USB devices it protects against concurrent indirect
|
|
|
|
* register access (BBP, RF, MCU) since accessing those
|
|
|
|
* registers require multiple calls to the CSR registers.
|
|
|
|
* For USB devices it also protects the csr_cache since that
|
|
|
|
* field is used for normal CSR access and it cannot support
|
|
|
|
* multiple callers simultaneously.
|
|
|
|
*/
|
|
|
|
struct mutex csr_mutex;
|
2007-10-27 19:43:29 +08:00
|
|
|
|
2008-01-07 06:40:49 +08:00
|
|
|
/*
|
|
|
|
* Current packet filter configuration for the device.
|
|
|
|
* This contains all currently active FIF_* flags send
|
|
|
|
* to us by mac80211 during configure_filter().
|
|
|
|
*/
|
|
|
|
unsigned int packet_filter;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
* Interface details:
|
|
|
|
* - Open ap interface count.
|
|
|
|
* - Open sta interface count.
|
|
|
|
* - Association count.
|
2011-01-30 20:16:03 +08:00
|
|
|
* - Beaconing enabled count.
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
unsigned int intf_ap_count;
|
|
|
|
unsigned int intf_sta_count;
|
|
|
|
unsigned int intf_associated;
|
2011-01-30 20:16:03 +08:00
|
|
|
unsigned int intf_beaconing;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Link quality
|
|
|
|
*/
|
|
|
|
struct link link;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* EEPROM data.
|
|
|
|
*/
|
|
|
|
__le16 *eeprom;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Active RF register values.
|
|
|
|
* These are stored here so we don't need
|
|
|
|
* to read the rf registers and can directly
|
|
|
|
* use this value instead.
|
|
|
|
* This field should be accessed by using
|
|
|
|
* rt2x00_rf_read() and rt2x00_rf_write().
|
|
|
|
*/
|
|
|
|
u32 *rf;
|
|
|
|
|
2008-08-06 22:22:17 +08:00
|
|
|
/*
|
|
|
|
* LNA gain
|
|
|
|
*/
|
|
|
|
short lna_gain;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Current TX power value.
|
|
|
|
*/
|
|
|
|
u16 tx_power;
|
|
|
|
|
2008-12-03 01:20:04 +08:00
|
|
|
/*
|
|
|
|
* Current retry values.
|
|
|
|
*/
|
|
|
|
u8 short_retry;
|
|
|
|
u8 long_retry;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Rssi <-> Dbm offset
|
|
|
|
*/
|
|
|
|
u8 rssi_offset;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Frequency offset (for rt61pci & rt73usb).
|
|
|
|
*/
|
|
|
|
u8 freq_offset;
|
|
|
|
|
2009-04-26 22:09:32 +08:00
|
|
|
/*
|
|
|
|
* Calibration information (for rt2800usb & rt2800pci).
|
|
|
|
* [0] -> BW20
|
|
|
|
* [1] -> BW40
|
|
|
|
*/
|
|
|
|
u8 calibration[2];
|
|
|
|
|
2009-05-24 03:09:28 +08:00
|
|
|
/*
|
|
|
|
* Beacon interval.
|
|
|
|
*/
|
|
|
|
u16 beacon_int;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Low level statistics which will have
|
|
|
|
* to be kept up to date while device is running.
|
|
|
|
*/
|
|
|
|
struct ieee80211_low_level_stats low_level_stats;
|
|
|
|
|
2011-01-30 20:24:05 +08:00
|
|
|
/**
|
|
|
|
* Work queue for all work which should not be placed
|
|
|
|
* on the mac80211 workqueue (because of dependencies
|
|
|
|
* between various work structures).
|
|
|
|
*/
|
|
|
|
struct workqueue_struct *workqueue;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
[PATCH] mac80211: revamp interface and filter configuration
Drivers are currently supposed to keep track of monitor
interfaces if they allow so-called "hard" monitor, and
they are also supposed to keep track of multicast etc.
This patch changes that, replaces the set_multicast_list()
callback with a new configure_filter() callback that takes
filter flags (FIF_*) instead of interface flags (IFF_*).
For a driver, this means it should open the filter as much
as necessary to get all frames requested by the filter flags.
Accordingly, the filter flags are named "positively", e.g.
FIF_ALLMULTI.
Multicast filtering is a bit special in that drivers that
have no multicast address filters need to allow multicast
frames through when either the FIF_ALLMULTI flag is set or
when the mc_count value is positive.
At the same time, drivers are no longer notified about
monitor interfaces at all, this means they now need to
implement the start() and stop() callbacks and the new
change_filter_flags() callback. Also, the start()/stop()
ordering changed, start() is now called *before* any
add_interface() as it really should be, and stop() after
any remove_interface().
The patch also changes the behaviour of setting the bssid
to multicast for scanning when IEEE80211_HW_NO_PROBE_FILTERING
is set; the IEEE80211_HW_NO_PROBE_FILTERING flag is removed
and the filter flag FIF_BCN_PRBRESP_PROMISC introduced.
This is a lot more efficient for hardware like b43 that
supports it and other hardware can still set the BSSID
to all-ones.
Driver modifications by Johannes Berg (b43 & iwlwifi), Michael Wu
(rtl8187, adm8211, and p54), Larry Finger (b43legacy), and
Ivo van Doorn (rt2x00).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-17 13:29:23 +08:00
|
|
|
* Scheduled work.
|
2008-07-04 19:41:31 +08:00
|
|
|
* NOTE: intf_work will use ieee80211_iterate_active_interfaces()
|
|
|
|
* which means it cannot be placed on the hw->workqueue
|
|
|
|
* due to RTNL locking requirements.
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
rt2x00: Add per-interface structure
Rework the interface handling. Delete the interface structure
and replace it with a per-interface structure. This changes the
way rt2x00 handles the active interface drastically.
Copy ieee80211_bss_conf to the this rt2x00_intf structure during
the bss_info_changed() callback function. This will allow us to
reference it later, and removes the requirement for the device flag
SHORT_PREAMBLE flag which is interface specific.
Drivers receive the option to give the maximum number of virtual
interfaces the device can handle. Virtual interface support:
rt2400pci: 1 sta or 1 ap, * monitor interfaces
rt2500pci: 1 sta or 1 ap, * monitor interfaces
rt2500usb: 1 sta or 1 ap, * monitor interfaces
rt61pci: 1 sta or 4 ap, * monitor interfaces
rt73usb: 1 sta or 4 ap, * monitor interfaces
At the moment none of the drivers support AP and STA interfaces
simultaneously, this is a hardware limitation so future support
will be very unlikely.
Each interface structure receives its dedicated beacon entry,
with this we can easily work with beaconing while multiple master
mode interfaces are currently active.
The configuration handlers for the MAC, BSSID and type are
often called together since they all belong to the interface
configuration. Merge the 3 configuration calls and cleanup
the API between rt2x00lib and the drivers. While we are cleaning
up the interface configuration anyway, we might as well clean up
the configuration handler as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-02-03 22:49:59 +08:00
|
|
|
struct work_struct intf_work;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
2010-08-07 02:45:38 +08:00
|
|
|
/**
|
|
|
|
* Scheduled work for TX/RX done handling (USB devices)
|
|
|
|
*/
|
|
|
|
struct work_struct rxdone_work;
|
|
|
|
struct work_struct txdone_work;
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
2011-03-04 02:46:09 +08:00
|
|
|
* Data queue arrays for RX, TX, Beacon and ATIM.
|
2007-09-26 08:57:13 +08:00
|
|
|
*/
|
2008-06-07 04:53:14 +08:00
|
|
|
unsigned int data_queues;
|
2008-02-06 05:42:23 +08:00
|
|
|
struct data_queue *rx;
|
|
|
|
struct data_queue *tx;
|
|
|
|
struct data_queue *bcn;
|
2011-03-04 02:46:09 +08:00
|
|
|
struct data_queue *atim;
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Firmware image.
|
|
|
|
*/
|
|
|
|
const struct firmware *fw;
|
2009-11-05 01:34:46 +08:00
|
|
|
|
2010-10-02 17:27:35 +08:00
|
|
|
/*
|
|
|
|
* FIFO for storing tx status reports between isr and tasklet.
|
|
|
|
*/
|
2010-12-27 22:04:29 +08:00
|
|
|
DECLARE_KFIFO_PTR(txstatus_fifo, u32);
|
2010-10-02 17:27:35 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Tasklet for processing tx status reports (rt2800pci).
|
|
|
|
*/
|
|
|
|
struct tasklet_struct txstatus_tasklet;
|
2011-01-30 20:17:52 +08:00
|
|
|
struct tasklet_struct pretbtt_tasklet;
|
|
|
|
struct tasklet_struct tbtt_tasklet;
|
|
|
|
struct tasklet_struct rxdone_tasklet;
|
|
|
|
struct tasklet_struct autowake_tasklet;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Protect the interrupt mask register.
|
|
|
|
*/
|
|
|
|
spinlock_t irqmask_lock;
|
2007-09-26 08:57:13 +08:00
|
|
|
};
|
|
|
|
|
2009-11-05 01:36:50 +08:00
|
|
|
/*
|
|
|
|
* Register defines.
|
|
|
|
* Some registers require multiple attempts before success,
|
|
|
|
* in those cases REGISTER_BUSY_COUNT attempts should be
|
|
|
|
* taken with a REGISTER_BUSY_DELAY interval.
|
|
|
|
*/
|
2010-11-14 02:08:14 +08:00
|
|
|
#define REGISTER_BUSY_COUNT 100
|
2009-11-05 01:36:50 +08:00
|
|
|
#define REGISTER_BUSY_DELAY 100
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Generic RF access.
|
|
|
|
* The RF is being accessed by word index.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int word, u32 *data)
|
|
|
|
{
|
2009-08-05 05:48:16 +08:00
|
|
|
BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
|
|
|
|
*data = rt2x00dev->rf[word - 1];
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int word, u32 data)
|
|
|
|
{
|
2009-08-05 05:48:16 +08:00
|
|
|
BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
|
|
|
|
rt2x00dev->rf[word - 1] = data;
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Generic EEPROM access.
|
|
|
|
* The EEPROM is being accessed by word index.
|
|
|
|
*/
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int word)
|
|
|
|
{
|
|
|
|
return (void *)&rt2x00dev->eeprom[word];
|
|
|
|
}
|
|
|
|
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int word, u16 *data)
|
|
|
|
{
|
|
|
|
*data = le16_to_cpu(rt2x00dev->eeprom[word]);
|
|
|
|
}
|
|
|
|
|
2007-10-27 19:41:25 +08:00
|
|
|
static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
|
2007-09-26 08:57:13 +08:00
|
|
|
const unsigned int word, u16 data)
|
|
|
|
{
|
|
|
|
rt2x00dev->eeprom[word] = cpu_to_le16(data);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Chipset handlers
|
|
|
|
*/
|
|
|
|
static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
|
2010-02-14 03:55:49 +08:00
|
|
|
const u16 rt, const u16 rf, const u16 rev)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
|
|
|
rt2x00dev->chip.rt = rt;
|
|
|
|
rt2x00dev->chip.rf = rf;
|
|
|
|
rt2x00dev->chip.rev = rev;
|
2009-03-29 03:51:24 +08:00
|
|
|
|
2009-11-15 03:20:35 +08:00
|
|
|
INFO(rt2x00dev,
|
2010-02-14 03:55:49 +08:00
|
|
|
"Chipset detected - rt: %04x, rf: %04x, rev: %04x.\n",
|
2009-11-15 03:20:35 +08:00
|
|
|
rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev);
|
|
|
|
}
|
|
|
|
|
2010-04-11 20:31:10 +08:00
|
|
|
static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
2009-12-23 07:03:25 +08:00
|
|
|
return (rt2x00dev->chip.rt == rt);
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
2010-04-11 20:31:10 +08:00
|
|
|
static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
2009-12-23 07:03:25 +08:00
|
|
|
return (rt2x00dev->chip.rf == rf);
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
2010-02-14 03:55:49 +08:00
|
|
|
static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev)
|
2007-09-26 08:57:13 +08:00
|
|
|
{
|
2009-12-23 07:03:25 +08:00
|
|
|
return rt2x00dev->chip.rev;
|
2007-09-26 08:57:13 +08:00
|
|
|
}
|
|
|
|
|
2010-04-11 20:31:10 +08:00
|
|
|
static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u16 rt, const u16 rev)
|
|
|
|
{
|
|
|
|
return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u16 rt, const u16 rev)
|
|
|
|
{
|
|
|
|
return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev,
|
|
|
|
const u16 rt, const u16 rev)
|
|
|
|
{
|
|
|
|
return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev);
|
|
|
|
}
|
|
|
|
|
2009-11-05 01:36:10 +08:00
|
|
|
static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
|
|
|
|
enum rt2x00_chip_intf intf)
|
|
|
|
{
|
|
|
|
rt2x00dev->chip.intf = intf;
|
|
|
|
}
|
|
|
|
|
2009-12-23 07:03:25 +08:00
|
|
|
static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
|
2009-11-05 01:36:10 +08:00
|
|
|
enum rt2x00_chip_intf intf)
|
|
|
|
{
|
2009-12-23 07:03:25 +08:00
|
|
|
return (rt2x00dev->chip.intf == intf);
|
2009-11-05 01:36:10 +08:00
|
|
|
}
|
|
|
|
|
2010-02-14 03:55:47 +08:00
|
|
|
static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev)
|
2009-11-05 01:36:10 +08:00
|
|
|
{
|
2010-06-03 16:52:00 +08:00
|
|
|
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) ||
|
|
|
|
rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev)
|
|
|
|
{
|
|
|
|
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
|
2009-11-05 01:36:10 +08:00
|
|
|
}
|
|
|
|
|
2010-02-14 03:55:47 +08:00
|
|
|
static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev)
|
2009-11-05 01:36:10 +08:00
|
|
|
{
|
2009-12-23 07:03:25 +08:00
|
|
|
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
|
2009-11-05 01:36:10 +08:00
|
|
|
}
|
|
|
|
|
2010-02-14 03:55:47 +08:00
|
|
|
static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev)
|
|
|
|
{
|
|
|
|
return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
|
|
|
|
}
|
|
|
|
|
2008-06-07 04:54:12 +08:00
|
|
|
/**
|
2008-06-17 01:56:31 +08:00
|
|
|
* rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
|
2010-10-11 21:37:25 +08:00
|
|
|
* @entry: Pointer to &struct queue_entry
|
2008-06-07 04:54:12 +08:00
|
|
|
*/
|
2010-10-11 21:37:25 +08:00
|
|
|
void rt2x00queue_map_txskb(struct queue_entry *entry);
|
2008-06-07 04:54:12 +08:00
|
|
|
|
2010-06-03 16:51:45 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_unmap_skb - Unmap a skb from DMA.
|
2010-10-11 21:37:25 +08:00
|
|
|
* @entry: Pointer to &struct queue_entry
|
2010-06-03 16:51:45 +08:00
|
|
|
*/
|
2010-10-11 21:37:25 +08:00
|
|
|
void rt2x00queue_unmap_skb(struct queue_entry *entry);
|
2010-06-03 16:51:45 +08:00
|
|
|
|
2011-03-04 02:38:55 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer
|
|
|
|
* @rt2x00dev: Pointer to &struct rt2x00_dev.
|
|
|
|
* @queue: rt2x00 queue index (see &enum data_queue_qid).
|
|
|
|
*
|
|
|
|
* Returns NULL for non tx queues.
|
|
|
|
*/
|
|
|
|
static inline struct data_queue *
|
|
|
|
rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev,
|
|
|
|
const enum data_queue_qid queue)
|
|
|
|
{
|
|
|
|
if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)
|
|
|
|
return &rt2x00dev->tx[queue];
|
|
|
|
|
2011-03-04 02:46:29 +08:00
|
|
|
if (queue == QID_ATIM)
|
|
|
|
return rt2x00dev->atim;
|
|
|
|
|
2011-03-04 02:38:55 +08:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-02-06 05:42:23 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_get_entry - Get queue entry where the given index points to.
|
2008-04-22 01:02:17 +08:00
|
|
|
* @queue: Pointer to &struct data_queue from where we obtain the entry.
|
2008-02-06 05:42:23 +08:00
|
|
|
* @index: Index identifier for obtaining the correct index.
|
|
|
|
*/
|
|
|
|
struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
|
|
|
|
enum queue_index index);
|
|
|
|
|
2010-12-13 19:35:17 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_pause_queue - Pause a data queue
|
|
|
|
* @queue: Pointer to &struct data_queue.
|
|
|
|
*
|
|
|
|
* This function will pause the data queue locally, preventing
|
|
|
|
* new frames to be added to the queue (while the hardware is
|
|
|
|
* still allowed to run).
|
|
|
|
*/
|
|
|
|
void rt2x00queue_pause_queue(struct data_queue *queue);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* rt2x00queue_unpause_queue - unpause a data queue
|
|
|
|
* @queue: Pointer to &struct data_queue.
|
|
|
|
*
|
|
|
|
* This function will unpause the data queue locally, allowing
|
|
|
|
* new frames to be added to the queue again.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_unpause_queue(struct data_queue *queue);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* rt2x00queue_start_queue - Start a data queue
|
|
|
|
* @queue: Pointer to &struct data_queue.
|
|
|
|
*
|
|
|
|
* This function will start handling all pending frames in the queue.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_start_queue(struct data_queue *queue);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* rt2x00queue_stop_queue - Halt a data queue
|
|
|
|
* @queue: Pointer to &struct data_queue.
|
|
|
|
*
|
|
|
|
* This function will stop all pending frames in the queue.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_stop_queue(struct data_queue *queue);
|
|
|
|
|
2010-12-13 19:35:40 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_flush_queue - Flush a data queue
|
|
|
|
* @queue: Pointer to &struct data_queue.
|
|
|
|
* @drop: True to drop all pending frames.
|
|
|
|
*
|
|
|
|
* This function will flush the queue. After this call
|
|
|
|
* the queue is guarenteed to be empty.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_flush_queue(struct data_queue *queue, bool drop);
|
|
|
|
|
2010-12-13 19:35:17 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_start_queues - Start all data queues
|
|
|
|
* @rt2x00dev: Pointer to &struct rt2x00_dev.
|
|
|
|
*
|
|
|
|
* This function will loop through all available queues to start them
|
|
|
|
*/
|
|
|
|
void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* rt2x00queue_stop_queues - Halt all data queues
|
|
|
|
* @rt2x00dev: Pointer to &struct rt2x00_dev.
|
|
|
|
*
|
|
|
|
* This function will loop through all available queues to stop
|
|
|
|
* any pending frames.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev);
|
|
|
|
|
2010-12-13 19:35:40 +08:00
|
|
|
/**
|
|
|
|
* rt2x00queue_flush_queues - Flush all data queues
|
|
|
|
* @rt2x00dev: Pointer to &struct rt2x00_dev.
|
|
|
|
* @drop: True to drop all pending frames.
|
|
|
|
*
|
|
|
|
* This function will loop through all available queues to flush
|
|
|
|
* any pending frames.
|
|
|
|
*/
|
|
|
|
void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop);
|
|
|
|
|
2010-05-13 19:16:36 +08:00
|
|
|
/*
|
|
|
|
* Debugfs handlers.
|
|
|
|
*/
|
|
|
|
/**
|
|
|
|
* rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.
|
|
|
|
* @rt2x00dev: Pointer to &struct rt2x00_dev.
|
|
|
|
* @type: The type of frame that is being dumped.
|
|
|
|
* @skb: The skb containing the frame to be dumped.
|
|
|
|
*/
|
|
|
|
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
|
|
|
|
void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
|
|
|
|
enum rt2x00_dump_type type, struct sk_buff *skb);
|
|
|
|
#else
|
|
|
|
static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
|
|
|
|
enum rt2x00_dump_type type,
|
|
|
|
struct sk_buff *skb)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
|
|
|
|
|
2007-09-26 08:57:13 +08:00
|
|
|
/*
|
|
|
|
* Interrupt context handlers.
|
|
|
|
*/
|
|
|
|
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
|
2010-07-11 18:28:23 +08:00
|
|
|
void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
|
2010-12-13 19:36:00 +08:00
|
|
|
void rt2x00lib_dmastart(struct queue_entry *entry);
|
2010-08-31 03:15:19 +08:00
|
|
|
void rt2x00lib_dmadone(struct queue_entry *entry);
|
2008-02-06 05:42:23 +08:00
|
|
|
void rt2x00lib_txdone(struct queue_entry *entry,
|
|
|
|
struct txdone_entry_desc *txdesc);
|
2010-08-07 02:46:53 +08:00
|
|
|
void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
|
2010-10-11 21:37:25 +08:00
|
|
|
void rt2x00lib_rxdone(struct queue_entry *entry);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* mac80211 handlers.
|
|
|
|
*/
|
2011-02-24 21:42:06 +08:00
|
|
|
void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
|
2007-09-26 08:57:13 +08:00
|
|
|
int rt2x00mac_start(struct ieee80211_hw *hw);
|
|
|
|
void rt2x00mac_stop(struct ieee80211_hw *hw);
|
|
|
|
int rt2x00mac_add_interface(struct ieee80211_hw *hw,
|
2009-12-23 20:15:45 +08:00
|
|
|
struct ieee80211_vif *vif);
|
2007-09-26 08:57:13 +08:00
|
|
|
void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
|
2009-12-23 20:15:45 +08:00
|
|
|
struct ieee80211_vif *vif);
|
2008-10-09 18:18:51 +08:00
|
|
|
int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
|
2008-03-25 21:13:18 +08:00
|
|
|
void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
|
|
|
|
unsigned int changed_flags,
|
|
|
|
unsigned int *total_flags,
|
2009-08-17 22:16:53 +08:00
|
|
|
u64 multicast);
|
2009-07-11 02:42:55 +08:00
|
|
|
int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
|
|
|
|
bool set);
|
2008-08-04 22:37:44 +08:00
|
|
|
#ifdef CONFIG_RT2X00_LIB_CRYPTO
|
|
|
|
int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
|
2008-12-29 19:55:09 +08:00
|
|
|
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
|
2008-08-04 22:37:44 +08:00
|
|
|
struct ieee80211_key_conf *key);
|
|
|
|
#else
|
|
|
|
#define rt2x00mac_set_key NULL
|
|
|
|
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
|
2010-07-11 18:24:47 +08:00
|
|
|
void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
|
|
|
|
void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
|
2007-09-26 08:57:13 +08:00
|
|
|
int rt2x00mac_get_stats(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_low_level_stats *stats);
|
2007-12-28 21:32:58 +08:00
|
|
|
void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
|
|
|
|
struct ieee80211_vif *vif,
|
|
|
|
struct ieee80211_bss_conf *bss_conf,
|
|
|
|
u32 changes);
|
2008-05-01 00:51:21 +08:00
|
|
|
int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
|
2007-09-26 08:57:13 +08:00
|
|
|
const struct ieee80211_tx_queue_params *params);
|
2009-07-01 21:17:35 +08:00
|
|
|
void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
|
2010-11-05 03:40:11 +08:00
|
|
|
void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop);
|
2007-09-26 08:57:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Driver allocation handlers.
|
|
|
|
*/
|
|
|
|
int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
|
|
|
|
void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
|
|
|
|
int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
|
|
|
|
#endif /* CONFIG_PM */
|
|
|
|
|
|
|
|
#endif /* RT2X00_H */
|