License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0 */
|
2011-04-27 06:25:29 +08:00
|
|
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/*
|
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* This file contains definitions and data structures specific
|
|
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|
* to Marvell 802.11 NIC. It contains the Device Information
|
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* structure struct lbs_private..
|
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|
*/
|
2007-11-16 07:05:47 +08:00
|
|
|
#ifndef _LBS_DEV_H_
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|
|
|
|
#define _LBS_DEV_H_
|
2007-02-10 22:25:27 +08:00
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|
2010-06-15 00:31:26 +08:00
|
|
|
#include "defs.h"
|
2012-04-17 06:53:26 +08:00
|
|
|
#include "decl.h"
|
2010-06-15 00:31:26 +08:00
|
|
|
#include "host.h"
|
2007-02-10 22:25:27 +08:00
|
|
|
|
kfifo: move struct kfifo in place
This is a new generic kernel FIFO implementation.
The current kernel fifo API is not very widely used, because it has to
many constrains. Only 17 files in the current 2.6.31-rc5 used it.
FIFO's are like list's a very basic thing and a kfifo API which handles
the most use case would save a lot of development time and memory
resources.
I think this are the reasons why kfifo is not in use:
- The API is to simple, important functions are missing
- A fifo can be only allocated dynamically
- There is a requirement of a spinlock whether you need it or not
- There is no support for data records inside a fifo
So I decided to extend the kfifo in a more generic way without blowing up
the API to much. The new API has the following benefits:
- Generic usage: For kernel internal use and/or device driver.
- Provide an API for the most use case.
- Slim API: The whole API provides 25 functions.
- Linux style habit.
- DECLARE_KFIFO, DEFINE_KFIFO and INIT_KFIFO Macros
- Direct copy_to_user from the fifo and copy_from_user into the fifo.
- The kfifo itself is an in place member of the using data structure, this save an
indirection access and does not waste the kernel allocator.
- Lockless access: if only one reader and one writer is active on the fifo,
which is the common use case, no additional locking is necessary.
- Remove spinlock - give the user the freedom of choice what kind of locking to use if
one is required.
- Ability to handle records. Three type of records are supported:
- Variable length records between 0-255 bytes, with a record size
field of 1 bytes.
- Variable length records between 0-65535 bytes, with a record size
field of 2 bytes.
- Fixed size records, which no record size field.
- Preserve memory resource.
- Performance!
- Easy to use!
This patch:
Since most users want to have the kfifo as part of another object,
reorganize the code to allow including struct kfifo in another data
structure. This requires changing the kfifo_alloc and kfifo_init
prototypes so that we pass an existing kfifo pointer into them. This
patch changes the implementation and all existing users.
[akpm@linux-foundation.org: fix warning]
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-22 06:37:26 +08:00
|
|
|
#include <linux/kfifo.h>
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2011-04-27 06:25:29 +08:00
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|
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/* sleep_params */
|
2007-02-10 22:25:27 +08:00
|
|
|
struct sleep_params {
|
2007-12-18 12:48:31 +08:00
|
|
|
uint16_t sp_error;
|
|
|
|
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uint16_t sp_offset;
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|
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uint16_t sp_stabletime;
|
|
|
|
|
uint8_t sp_calcontrol;
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|
|
uint8_t sp_extsleepclk;
|
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|
|
|
uint16_t sp_reserved;
|
2007-02-10 22:25:27 +08:00
|
|
|
};
|
|
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|
|
|
2011-07-22 03:43:17 +08:00
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/* Mesh statistics */
|
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|
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struct lbs_mesh_stats {
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u32 fwd_bcast_cnt; /* Fwd: Broadcast counter */
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u32 fwd_unicast_cnt; /* Fwd: Unicast counter */
|
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u32 fwd_drop_ttl; /* Fwd: TTL zero */
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u32 fwd_drop_rbt; /* Fwd: Recently Broadcasted */
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u32 fwd_drop_noroute; /* Fwd: No route to Destination */
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u32 fwd_drop_nobuf; /* Fwd: Run out of internal buffers */
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u32 drop_blind; /* Rx: Dropped by blinding table */
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u32 tx_failed_cnt; /* Tx: Failed transmissions */
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};
|
2007-02-10 22:25:27 +08:00
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|
2011-04-27 06:25:29 +08:00
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/* Private structure for the MV device */
|
2007-11-23 22:43:44 +08:00
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struct lbs_private {
|
2009-10-22 21:30:49 +08:00
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/* Basic networking */
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struct net_device *dev;
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u32 connect_status;
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struct work_struct mcast_work;
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u32 nr_of_multicastmacaddr;
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u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
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/* CFG80211 */
|
2009-10-06 22:31:54 +08:00
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struct wireless_dev *wdev;
|
2010-03-29 23:14:18 +08:00
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|
bool wiphy_registered;
|
2010-06-15 00:31:26 +08:00
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|
struct cfg80211_scan_request *scan_req;
|
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|
u8 assoc_bss[ETH_ALEN];
|
2012-07-16 06:44:58 +08:00
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|
u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
|
2010-06-15 00:31:26 +08:00
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|
u8 disassoc_reason;
|
2009-10-22 21:30:49 +08:00
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/* Mesh */
|
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struct net_device *mesh_dev; /* Virtual device */
|
2009-12-02 22:26:02 +08:00
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|
#ifdef CONFIG_LIBERTAS_MESH
|
2009-10-22 21:30:49 +08:00
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|
struct lbs_mesh_stats mstats;
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uint16_t mesh_tlv;
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|
u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1];
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|
u8 mesh_ssid_len;
|
2012-06-06 14:18:22 +08:00
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|
u8 mesh_channel;
|
2009-12-02 22:26:02 +08:00
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#endif
|
2007-02-10 22:25:27 +08:00
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|
2009-10-22 21:30:49 +08:00
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/* Debugfs */
|
2007-02-10 22:25:27 +08:00
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struct dentry *debugfs_dir;
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struct dentry *debugfs_debug;
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struct dentry *debugfs_files[6];
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struct dentry *events_dir;
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struct dentry *debugfs_events_files[6];
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struct dentry *regs_dir;
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struct dentry *debugfs_regs_files[6];
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|
2009-10-22 21:30:49 +08:00
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/* Hardware debugging */
|
2007-02-10 22:25:27 +08:00
|
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|
u32 mac_offset;
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|
u32 bbp_offset;
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|
u32 rf_offset;
|
2009-10-22 21:30:49 +08:00
|
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/* Power management */
|
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u16 psmode;
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u32 psstate;
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u8 needtowakeup;
|
2007-02-10 22:25:27 +08:00
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|
2009-10-22 21:30:49 +08:00
|
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|
/* Deep sleep */
|
2009-10-01 11:04:38 +08:00
|
|
|
int is_deep_sleep;
|
2010-05-19 18:24:38 +08:00
|
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|
int deep_sleep_required;
|
2009-10-01 11:04:38 +08:00
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|
int is_auto_deep_sleep_enabled;
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int wakeup_dev_required;
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int is_activity_detected;
|
2009-10-22 21:30:49 +08:00
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|
int auto_deep_sleep_timeout; /* in ms */
|
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|
wait_queue_head_t ds_awake_q;
|
|
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|
struct timer_list auto_deepsleep_timer;
|
2007-05-26 00:17:06 +08:00
|
|
|
|
2010-05-19 18:24:38 +08:00
|
|
|
/* Host sleep*/
|
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|
int is_host_sleep_configured;
|
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|
int is_host_sleep_activated;
|
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|
|
wait_queue_head_t host_sleep_q;
|
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|
2009-10-22 21:30:49 +08:00
|
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|
/* Hardware access */
|
|
|
|
|
void *card;
|
2011-08-01 23:43:13 +08:00
|
|
|
bool iface_running;
|
2016-01-31 01:01:52 +08:00
|
|
|
u8 is_polling; /* host has to poll the card irq */
|
2009-10-22 21:30:49 +08:00
|
|
|
u8 fw_ready;
|
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|
u8 surpriseremoved;
|
2011-01-22 04:44:49 +08:00
|
|
|
u8 setup_fw_on_resume;
|
2018-06-28 02:58:45 +08:00
|
|
|
u8 power_up_on_resume;
|
2007-11-23 22:43:44 +08:00
|
|
|
int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
|
2008-05-20 23:43:31 +08:00
|
|
|
void (*reset_card) (struct lbs_private *priv);
|
2011-08-01 23:43:13 +08:00
|
|
|
int (*power_save) (struct lbs_private *priv);
|
|
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|
int (*power_restore) (struct lbs_private *priv);
|
2009-10-01 11:04:38 +08:00
|
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|
int (*enter_deep_sleep) (struct lbs_private *priv);
|
|
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|
int (*exit_deep_sleep) (struct lbs_private *priv);
|
|
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|
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int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2009-10-22 21:30:49 +08:00
|
|
|
/* Adapter info (from EEPROM) */
|
2008-01-16 22:55:22 +08:00
|
|
|
u32 fwrelease;
|
2007-02-10 22:25:27 +08:00
|
|
|
u32 fwcapinfo;
|
2009-10-22 21:30:49 +08:00
|
|
|
u16 regioncode;
|
|
|
|
|
u8 current_addr[ETH_ALEN];
|
2011-01-22 04:44:49 +08:00
|
|
|
u8 copied_hwaddr;
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2009-10-22 21:30:49 +08:00
|
|
|
/* Command download */
|
|
|
|
|
u8 dnld_sent;
|
|
|
|
|
/* bit0 1/0=data_sent/data_tx_done,
|
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|
bit1 1/0=cmd_sent/cmd_tx_done,
|
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|
all other bits reserved 0 */
|
2007-02-10 22:25:27 +08:00
|
|
|
u16 seqnum;
|
|
|
|
|
struct cmd_ctrl_node *cmd_array;
|
|
|
|
|
struct cmd_ctrl_node *cur_cmd;
|
2009-10-22 21:30:49 +08:00
|
|
|
struct list_head cmdfreeq; /* free command buffers */
|
|
|
|
|
struct list_head cmdpendingq; /* pending command buffers */
|
|
|
|
|
struct timer_list command_timer;
|
|
|
|
|
int cmd_timed_out;
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2008-04-01 20:50:43 +08:00
|
|
|
/* Command responses sent from the hardware to the driver */
|
|
|
|
|
u8 resp_idx;
|
|
|
|
|
u8 resp_buf[2][LBS_UPLD_SIZE];
|
|
|
|
|
u32 resp_len[2];
|
|
|
|
|
|
|
|
|
|
/* Events sent from hardware to driver */
|
kfifo: move struct kfifo in place
This is a new generic kernel FIFO implementation.
The current kernel fifo API is not very widely used, because it has to
many constrains. Only 17 files in the current 2.6.31-rc5 used it.
FIFO's are like list's a very basic thing and a kfifo API which handles
the most use case would save a lot of development time and memory
resources.
I think this are the reasons why kfifo is not in use:
- The API is to simple, important functions are missing
- A fifo can be only allocated dynamically
- There is a requirement of a spinlock whether you need it or not
- There is no support for data records inside a fifo
So I decided to extend the kfifo in a more generic way without blowing up
the API to much. The new API has the following benefits:
- Generic usage: For kernel internal use and/or device driver.
- Provide an API for the most use case.
- Slim API: The whole API provides 25 functions.
- Linux style habit.
- DECLARE_KFIFO, DEFINE_KFIFO and INIT_KFIFO Macros
- Direct copy_to_user from the fifo and copy_from_user into the fifo.
- The kfifo itself is an in place member of the using data structure, this save an
indirection access and does not waste the kernel allocator.
- Lockless access: if only one reader and one writer is active on the fifo,
which is the common use case, no additional locking is necessary.
- Remove spinlock - give the user the freedom of choice what kind of locking to use if
one is required.
- Ability to handle records. Three type of records are supported:
- Variable length records between 0-255 bytes, with a record size
field of 1 bytes.
- Variable length records between 0-65535 bytes, with a record size
field of 2 bytes.
- Fixed size records, which no record size field.
- Preserve memory resource.
- Performance!
- Easy to use!
This patch:
Since most users want to have the kfifo as part of another object,
reorganize the code to allow including struct kfifo in another data
structure. This requires changing the kfifo_alloc and kfifo_init
prototypes so that we pass an existing kfifo pointer into them. This
patch changes the implementation and all existing users.
[akpm@linux-foundation.org: fix warning]
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-22 06:37:26 +08:00
|
|
|
struct kfifo event_fifo;
|
2008-04-01 20:50:43 +08:00
|
|
|
|
2011-04-27 06:25:29 +08:00
|
|
|
/* thread to service interrupts */
|
2009-10-22 21:30:49 +08:00
|
|
|
struct task_struct *main_thread;
|
|
|
|
|
wait_queue_head_t waitq;
|
|
|
|
|
struct workqueue_struct *work_thread;
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2011-04-27 06:25:29 +08:00
|
|
|
/* Encryption stuff */
|
2010-02-26 09:16:36 +08:00
|
|
|
u8 authtype_auto;
|
2010-06-15 00:31:26 +08:00
|
|
|
u8 wep_tx_key;
|
|
|
|
|
u8 wep_key[4][WLAN_KEY_LEN_WEP104];
|
|
|
|
|
u8 wep_key_len[4];
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2009-10-22 21:30:49 +08:00
|
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/* Wake On LAN */
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uint32_t wol_criteria;
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uint8_t wol_gpio;
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uint8_t wol_gap;
|
2010-10-31 21:40:33 +08:00
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|
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bool ehs_remove_supported;
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2007-02-10 22:25:27 +08:00
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|
2009-10-22 21:30:49 +08:00
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/* Transmitting */
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int tx_pending_len; /* -1 while building packet */
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|
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u8 tx_pending_buf[LBS_UPLD_SIZE];
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/* protected by hard_start_xmit serialization */
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2007-02-10 22:25:27 +08:00
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u8 txretrycount;
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struct sk_buff *currenttxskb;
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2011-10-03 18:33:02 +08:00
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struct timer_list tx_lockup_timer;
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2007-02-10 22:25:27 +08:00
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|
2009-10-22 21:30:49 +08:00
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|
/* Locks */
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|
|
struct mutex lock;
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|
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spinlock_t driver_lock;
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|
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/* NIC/link operation characteristics */
|
2008-03-12 23:06:43 +08:00
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|
|
u16 mac_control;
|
2009-10-22 21:30:49 +08:00
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|
|
u8 radio_on;
|
2010-06-15 00:31:26 +08:00
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|
|
u8 cur_rate;
|
2009-10-22 21:30:50 +08:00
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|
|
u8 channel;
|
2008-08-20 03:15:35 +08:00
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|
|
s16 txpower_cur;
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|
|
s16 txpower_min;
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|
|
s16 txpower_max;
|
2007-02-10 22:25:27 +08:00
|
|
|
|
2011-04-27 06:25:29 +08:00
|
|
|
/* Scanning */
|
2009-10-22 21:30:49 +08:00
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|
|
struct delayed_work scan_work;
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|
|
int scan_channel;
|
2010-08-04 13:43:47 +08:00
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|
|
/* Queue of things waiting for scan completion */
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|
|
wait_queue_head_t scan_q;
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|
|
/* Whether the scan was initiated internally and not by cfg80211 */
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|
|
|
|
bool internal_scan;
|
2012-04-17 06:53:26 +08:00
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|
|
|
|
|
|
|
/* Firmware load */
|
|
|
|
|
u32 fw_model;
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|
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|
|
wait_queue_head_t fw_waitq;
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|
|
struct device *fw_device;
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|
|
const struct firmware *helper_fw;
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|
|
const struct lbs_fw_table *fw_table;
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|
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|
|
const struct lbs_fw_table *fw_iter;
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|
|
|
|
lbs_fw_cb fw_callback;
|
2007-02-10 22:25:27 +08:00
|
|
|
};
|
|
|
|
|
|
2008-03-26 20:22:11 +08:00
|
|
|
extern struct cmd_confirm_sleep confirm_sleep;
|
|
|
|
|
|
2011-08-01 23:43:13 +08:00
|
|
|
/* Check if there is an interface active. */
|
|
|
|
|
static inline int lbs_iface_active(struct lbs_private *priv)
|
|
|
|
|
{
|
|
|
|
|
int r;
|
|
|
|
|
|
|
|
|
|
r = netif_running(priv->dev);
|
2011-08-15 19:25:35 +08:00
|
|
|
if (priv->mesh_dev)
|
|
|
|
|
r |= netif_running(priv->mesh_dev);
|
2011-08-01 23:43:13 +08:00
|
|
|
|
|
|
|
|
return r;
|
|
|
|
|
}
|
|
|
|
|
|
2007-11-16 07:05:47 +08:00
|
|
|
#endif
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