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Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: linux-wireless@vger.kernel.org CC: Ivo van Doorn <IvDoorn@gmail.com> CC: Gertjan van Wingerde <gwingerde@gmail.com> CC: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
128 lines
4.2 KiB
C
128 lines
4.2 KiB
C
/*
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Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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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, see <http://www.gnu.org/licenses/>.
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*/
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/*
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Module: rt2x00dump
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Abstract:
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Data structures for the rt2x00debug & userspace.
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The declarations in this file can be used by both rt2x00
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and userspace and therefore should be kept together in
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this file.
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*/
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#ifndef RT2X00DUMP_H
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#define RT2X00DUMP_H
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/**
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* DOC: Introduction
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*
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* This header is intended to be exported to userspace,
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* to make the structures and enumerations available to userspace
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* applications. This means that all data types should be exportable.
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*
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* When rt2x00 is compiled with debugfs support enabled,
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* it is possible to capture all data coming in and out of the device
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* by reading the frame dump file. This file can have only a single reader.
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* The following frames will be reported:
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* - All incoming frames (rx)
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* - All outgoing frames (tx, including beacon and atim)
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* - All completed frames (txdone including atim)
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*
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* The data is send to the file using the following format:
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*
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* [rt2x00dump header][hardware descriptor][ieee802.11 frame]
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*
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* rt2x00dump header: The description of the dumped frame, as well as
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* additional information useful for debugging. See &rt2x00dump_hdr.
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* hardware descriptor: Descriptor that was used to receive or transmit
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* the frame.
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* ieee802.11 frame: The actual frame that was received or transmitted.
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*/
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/**
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* enum rt2x00_dump_type - Frame type
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*
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* These values are used for the @type member of &rt2x00dump_hdr.
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* @DUMP_FRAME_RXDONE: This frame has been received by the hardware.
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* @DUMP_FRAME_TX: This frame is queued for transmission to the hardware.
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* @DUMP_FRAME_TXDONE: This frame indicates the device has handled
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* the tx event which has either succeeded or failed. A frame
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* with this type should also have been reported with as a
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* %DUMP_FRAME_TX frame.
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* @DUMP_FRAME_BEACON: This beacon frame is queued for transmission to the
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* hardware.
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*/
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enum rt2x00_dump_type {
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DUMP_FRAME_RXDONE = 1,
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DUMP_FRAME_TX = 2,
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DUMP_FRAME_TXDONE = 3,
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DUMP_FRAME_BEACON = 4,
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};
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/**
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* struct rt2x00dump_hdr - Dump frame header
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*
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* Each frame dumped to the debugfs file starts with this header
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* attached. This header contains the description of the actual
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* frame which was dumped.
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*
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* New fields inside the structure must be appended to the end of
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* the structure. This way userspace tools compiled for earlier
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* header versions can still correctly handle the frame dump
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* (although they will not handle all data passed to them in the dump).
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*
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* @version: Header version should always be set to %DUMP_HEADER_VERSION.
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* This field must be checked by userspace to determine if it can
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* handle this frame.
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* @header_length: The length of the &rt2x00dump_hdr structure. This is
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* used for compatibility reasons so userspace can easily determine
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* the location of the next field in the dump.
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* @desc_length: The length of the device descriptor.
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* @data_length: The length of the frame data (including the ieee802.11 header.
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* @chip_rt: RT chipset
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* @chip_rf: RF chipset
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* @chip_rev: Chipset revision
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* @type: The frame type (&rt2x00_dump_type)
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* @queue_index: The index number of the data queue.
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* @entry_index: The index number of the entry inside the data queue.
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* @timestamp_sec: Timestamp - seconds
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* @timestamp_usec: Timestamp - microseconds
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*/
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struct rt2x00dump_hdr {
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__le32 version;
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#define DUMP_HEADER_VERSION 2
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__le32 header_length;
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__le32 desc_length;
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__le32 data_length;
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__le16 chip_rt;
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__le16 chip_rf;
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__le16 chip_rev;
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__le16 type;
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__u8 queue_index;
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__u8 entry_index;
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__le32 timestamp_sec;
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__le32 timestamp_usec;
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};
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#endif /* RT2X00DUMP_H */
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