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
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/* SPDX-License-Identifier: GPL-2.0 */
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2005-05-06 06:14:15 +08:00
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/*
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* dm9000 Ethernet
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*/
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#ifndef _DM9000X_H_
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#define _DM9000X_H_
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#define DM9000_ID 0x90000A46
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/* although the registers are 16 bit, they are 32-bit aligned.
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*/
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#define DM9000_NCR 0x00
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#define DM9000_NSR 0x01
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#define DM9000_TCR 0x02
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#define DM9000_TSR1 0x03
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#define DM9000_TSR2 0x04
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#define DM9000_RCR 0x05
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#define DM9000_RSR 0x06
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#define DM9000_ROCR 0x07
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#define DM9000_BPTR 0x08
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#define DM9000_FCTR 0x09
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#define DM9000_FCR 0x0A
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#define DM9000_EPCR 0x0B
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#define DM9000_EPAR 0x0C
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#define DM9000_EPDRL 0x0D
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#define DM9000_EPDRH 0x0E
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#define DM9000_WCR 0x0F
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#define DM9000_PAR 0x10
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#define DM9000_MAR 0x16
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#define DM9000_GPCR 0x1e
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#define DM9000_GPR 0x1f
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#define DM9000_TRPAL 0x22
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#define DM9000_TRPAH 0x23
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#define DM9000_RWPAL 0x24
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#define DM9000_RWPAH 0x25
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#define DM9000_VIDL 0x28
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#define DM9000_VIDH 0x29
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#define DM9000_PIDL 0x2A
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#define DM9000_PIDH 0x2B
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#define DM9000_CHIPR 0x2C
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#define DM9000_SMCR 0x2F
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2009-07-07 09:12:33 +08:00
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#define DM9000_ETXCSR 0x30
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#define DM9000_TCCR 0x31
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#define DM9000_RCSR 0x32
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2008-06-25 05:15:59 +08:00
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#define CHIPR_DM9000A 0x19
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2009-10-24 21:53:07 +08:00
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#define CHIPR_DM9000B 0x1A
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2008-06-25 05:15:59 +08:00
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2005-05-06 06:14:15 +08:00
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#define DM9000_MRCMDX 0xF0
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#define DM9000_MRCMD 0xF2
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#define DM9000_MRRL 0xF4
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#define DM9000_MRRH 0xF5
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#define DM9000_MWCMDX 0xF6
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#define DM9000_MWCMD 0xF8
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#define DM9000_MWRL 0xFA
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#define DM9000_MWRH 0xFB
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#define DM9000_TXPLL 0xFC
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#define DM9000_TXPLH 0xFD
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#define DM9000_ISR 0xFE
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#define DM9000_IMR 0xFF
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#define NCR_EXT_PHY (1<<7)
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#define NCR_WAKEEN (1<<6)
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#define NCR_FCOL (1<<4)
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#define NCR_FDX (1<<3)
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2013-03-29 07:13:42 +08:00
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#define NCR_RESERVED (3<<1)
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#define NCR_MAC_LBK (1<<1)
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2005-05-06 06:14:15 +08:00
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#define NCR_RST (1<<0)
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#define NSR_SPEED (1<<7)
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#define NSR_LINKST (1<<6)
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#define NSR_WAKEST (1<<5)
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#define NSR_TX2END (1<<3)
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#define NSR_TX1END (1<<2)
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#define NSR_RXOV (1<<1)
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#define TCR_TJDIS (1<<6)
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#define TCR_EXCECM (1<<5)
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#define TCR_PAD_DIS2 (1<<4)
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#define TCR_CRC_DIS2 (1<<3)
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#define TCR_PAD_DIS1 (1<<2)
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#define TCR_CRC_DIS1 (1<<1)
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#define TCR_TXREQ (1<<0)
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#define TSR_TJTO (1<<7)
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#define TSR_LC (1<<6)
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#define TSR_NC (1<<5)
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#define TSR_LCOL (1<<4)
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#define TSR_COL (1<<3)
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#define TSR_EC (1<<2)
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#define RCR_WTDIS (1<<6)
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#define RCR_DIS_LONG (1<<5)
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#define RCR_DIS_CRC (1<<4)
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#define RCR_ALL (1<<3)
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#define RCR_RUNT (1<<2)
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#define RCR_PRMSC (1<<1)
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#define RCR_RXEN (1<<0)
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#define RSR_RF (1<<7)
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#define RSR_MF (1<<6)
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#define RSR_LCS (1<<5)
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#define RSR_RWTO (1<<4)
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#define RSR_PLE (1<<3)
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#define RSR_AE (1<<2)
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#define RSR_CE (1<<1)
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#define RSR_FOE (1<<0)
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2009-11-10 15:22:24 +08:00
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#define WCR_LINKEN (1 << 5)
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#define WCR_SAMPLEEN (1 << 4)
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#define WCR_MAGICEN (1 << 3)
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#define WCR_LINKST (1 << 2)
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#define WCR_SAMPLEST (1 << 1)
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#define WCR_MAGICST (1 << 0)
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2005-05-06 06:14:15 +08:00
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#define FCTR_HWOT(ot) (( ot & 0xf ) << 4 )
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#define FCTR_LWOT(ot) ( ot & 0xf )
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#define IMR_PAR (1<<7)
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#define IMR_ROOM (1<<3)
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#define IMR_ROM (1<<2)
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#define IMR_PTM (1<<1)
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#define IMR_PRM (1<<0)
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#define ISR_ROOS (1<<3)
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#define ISR_ROS (1<<2)
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#define ISR_PTS (1<<1)
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#define ISR_PRS (1<<0)
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#define ISR_CLR_STATUS (ISR_ROOS | ISR_ROS | ISR_PTS | ISR_PRS)
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#define EPCR_REEP (1<<5)
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#define EPCR_WEP (1<<4)
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#define EPCR_EPOS (1<<3)
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#define EPCR_ERPRR (1<<2)
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#define EPCR_ERPRW (1<<1)
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#define EPCR_ERRE (1<<0)
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#define GPCR_GEP_CNTL (1<<0)
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2009-07-07 09:12:33 +08:00
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#define TCCR_IP (1<<0)
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#define TCCR_TCP (1<<1)
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#define TCCR_UDP (1<<2)
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#define RCSR_UDP_BAD (1<<7)
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#define RCSR_TCP_BAD (1<<6)
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#define RCSR_IP_BAD (1<<5)
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#define RCSR_UDP (1<<4)
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#define RCSR_TCP (1<<3)
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#define RCSR_IP (1<<2)
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#define RCSR_CSUM (1<<1)
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#define RCSR_DISCARD (1<<0)
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2005-05-06 06:14:15 +08:00
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#define DM9000_PKT_RDY 0x01 /* Packet ready to receive */
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2009-07-07 09:12:33 +08:00
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#define DM9000_PKT_ERR 0x02
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2005-05-06 06:14:15 +08:00
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#define DM9000_PKT_MAX 1536 /* Received packet max size */
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2008-06-25 05:15:59 +08:00
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/* DM9000A / DM9000B definitions */
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#define IMR_LNKCHNG (1<<5)
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#define IMR_UNDERRUN (1<<4)
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#define ISR_LNKCHNG (1<<5)
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#define ISR_UNDERRUN (1<<4)
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2013-03-29 07:13:42 +08:00
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/* Davicom MII registers.
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*/
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#define MII_DM_DSPCR 0x1b /* DSP Control Register */
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#define DSPCR_INIT_PARAM 0xE100 /* DSP init parameter */
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2005-05-06 06:14:15 +08:00
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#endif /* _DM9000X_H_ */
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