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 14:07:57 +00:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2005-04-16 22:20:36 +00:00
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/*
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* Declarations of Rose type objects.
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*
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* Jonathan Naylor G4KLX 25/8/96
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*/
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#ifndef _ROSE_H
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#define _ROSE_H
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#include <linux/rose.h>
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2022-07-20 23:57:58 +00:00
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#include <net/ax25.h>
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2005-04-16 22:20:36 +00:00
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#include <net/sock.h>
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#define ROSE_ADDR_LEN 5
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#define ROSE_MIN_LEN 3
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2011-03-20 06:48:05 +00:00
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#define ROSE_CALL_REQ_ADDR_LEN_OFF 3
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#define ROSE_CALL_REQ_ADDR_LEN_VAL 0xAA /* each address is 10 digits */
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#define ROSE_CALL_REQ_DEST_ADDR_OFF 4
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#define ROSE_CALL_REQ_SRC_ADDR_OFF 9
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#define ROSE_CALL_REQ_FACILITIES_OFF 14
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2005-04-16 22:20:36 +00:00
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#define ROSE_GFI 0x10
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#define ROSE_Q_BIT 0x80
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#define ROSE_D_BIT 0x40
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#define ROSE_M_BIT 0x10
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#define ROSE_CALL_REQUEST 0x0B
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#define ROSE_CALL_ACCEPTED 0x0F
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#define ROSE_CLEAR_REQUEST 0x13
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#define ROSE_CLEAR_CONFIRMATION 0x17
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#define ROSE_DATA 0x00
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#define ROSE_INTERRUPT 0x23
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#define ROSE_INTERRUPT_CONFIRMATION 0x27
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#define ROSE_RR 0x01
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#define ROSE_RNR 0x05
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#define ROSE_REJ 0x09
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#define ROSE_RESET_REQUEST 0x1B
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#define ROSE_RESET_CONFIRMATION 0x1F
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#define ROSE_REGISTRATION_REQUEST 0xF3
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#define ROSE_REGISTRATION_CONFIRMATION 0xF7
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#define ROSE_RESTART_REQUEST 0xFB
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#define ROSE_RESTART_CONFIRMATION 0xFF
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#define ROSE_DIAGNOSTIC 0xF1
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#define ROSE_ILLEGAL 0xFD
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/* Define Link State constants. */
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enum {
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ROSE_STATE_0, /* Ready */
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ROSE_STATE_1, /* Awaiting Call Accepted */
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ROSE_STATE_2, /* Awaiting Clear Confirmation */
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ROSE_STATE_3, /* Data Transfer */
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ROSE_STATE_4, /* Awaiting Reset Confirmation */
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ROSE_STATE_5 /* Deferred Call Acceptance */
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};
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2006-05-04 06:28:20 +00:00
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#define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */
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#define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */
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#define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */
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#define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */
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#define ROSE_DEFAULT_HB 5000 /* Default Holdback value */
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#define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */
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2005-04-16 22:20:36 +00:00
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#define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */
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2006-05-04 06:28:20 +00:00
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#define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */
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2005-04-16 22:20:36 +00:00
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#define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */
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#define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */
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#define ROSE_MODULUS 8
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#define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */
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#define ROSE_COND_ACK_PENDING 0x01
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#define ROSE_COND_PEER_RX_BUSY 0x02
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#define ROSE_COND_OWN_RX_BUSY 0x04
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#define FAC_NATIONAL 0x00
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#define FAC_CCITT 0x0F
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#define FAC_NATIONAL_RAND 0x7F
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#define FAC_NATIONAL_FLAGS 0x3F
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#define FAC_NATIONAL_DEST_DIGI 0xE9
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#define FAC_NATIONAL_SRC_DIGI 0xEB
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#define FAC_NATIONAL_FAIL_CALL 0xED
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#define FAC_NATIONAL_FAIL_ADD 0xEE
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#define FAC_NATIONAL_DIGIS 0xEF
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#define FAC_CCITT_DEST_NSAP 0xC9
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#define FAC_CCITT_SRC_NSAP 0xCB
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struct rose_neigh {
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struct rose_neigh *next;
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ax25_address callsign;
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ax25_digi *digipeat;
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ax25_cb *ax25;
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struct net_device *dev;
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unsigned short count;
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unsigned short use;
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unsigned int number;
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char restarted;
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char dce_mode;
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char loopback;
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struct sk_buff_head queue;
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struct timer_list t0timer;
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struct timer_list ftimer;
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};
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struct rose_node {
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struct rose_node *next;
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rose_address address;
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unsigned short mask;
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unsigned char count;
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char loopback;
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struct rose_neigh *neighbour[3];
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};
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struct rose_route {
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struct rose_route *next;
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unsigned int lci1, lci2;
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rose_address src_addr, dest_addr;
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ax25_address src_call, dest_call;
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struct rose_neigh *neigh1, *neigh2;
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unsigned int rand;
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};
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struct rose_sock {
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struct sock sock;
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rose_address source_addr, dest_addr;
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ax25_address source_call, dest_call;
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unsigned char source_ndigis, dest_ndigis;
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ax25_address source_digis[ROSE_MAX_DIGIS];
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ax25_address dest_digis[ROSE_MAX_DIGIS];
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struct rose_neigh *neighbour;
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2022-07-29 09:12:33 +00:00
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struct net_device *device;
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netdevice_tracker dev_tracker;
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2005-04-16 22:20:36 +00:00
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unsigned int lci, rand;
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unsigned char state, condition, qbitincl, defer;
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unsigned char cause, diagnostic;
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unsigned short vs, vr, va, vl;
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unsigned long t1, t2, t3, hb, idle;
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#ifdef M_BIT
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unsigned short fraglen;
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struct sk_buff_head frag_queue;
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#endif
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struct sk_buff_head ack_queue;
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struct rose_facilities_struct facilities;
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struct timer_list timer;
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struct timer_list idletimer;
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};
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#define rose_sk(sk) ((struct rose_sock *)(sk))
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/* af_rose.c */
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extern ax25_address rose_callsign;
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extern int sysctl_rose_restart_request_timeout;
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extern int sysctl_rose_call_request_timeout;
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extern int sysctl_rose_reset_request_timeout;
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extern int sysctl_rose_clear_request_timeout;
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extern int sysctl_rose_no_activity_timeout;
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extern int sysctl_rose_ack_hold_back_timeout;
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extern int sysctl_rose_routing_control;
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extern int sysctl_rose_link_fail_timeout;
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extern int sysctl_rose_maximum_vcs;
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extern int sysctl_rose_window_size;
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2013-09-22 17:32:21 +00:00
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2021-10-12 15:58:36 +00:00
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int rosecmp(const rose_address *, const rose_address *);
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int rosecmpm(const rose_address *, const rose_address *, unsigned short);
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2013-09-22 17:32:21 +00:00
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char *rose2asc(char *buf, const rose_address *);
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struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
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void rose_kill_by_neigh(struct rose_neigh *);
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unsigned int rose_new_lci(struct rose_neigh *);
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int rose_rx_call_request(struct sk_buff *, struct net_device *,
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struct rose_neigh *, unsigned int);
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void rose_destroy_socket(struct sock *);
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2005-04-16 22:20:36 +00:00
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/* rose_dev.c */
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2013-09-22 17:32:21 +00:00
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void rose_setup(struct net_device *);
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2005-04-16 22:20:36 +00:00
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/* rose_in.c */
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2013-09-22 17:32:21 +00:00
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int rose_process_rx_frame(struct sock *, struct sk_buff *);
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2005-04-16 22:20:36 +00:00
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/* rose_link.c */
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2013-09-22 17:32:21 +00:00
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void rose_start_ftimer(struct rose_neigh *);
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void rose_stop_ftimer(struct rose_neigh *);
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void rose_stop_t0timer(struct rose_neigh *);
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int rose_ftimer_running(struct rose_neigh *);
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void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *,
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unsigned short);
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void rose_transmit_clear_request(struct rose_neigh *, unsigned int,
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unsigned char, unsigned char);
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void rose_transmit_link(struct sk_buff *, struct rose_neigh *);
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2005-04-16 22:20:36 +00:00
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/* rose_loopback.c */
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2013-09-22 17:32:21 +00:00
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void rose_loopback_init(void);
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void rose_loopback_clear(void);
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int rose_loopback_queue(struct sk_buff *, struct rose_neigh *);
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2005-04-16 22:20:36 +00:00
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/* rose_out.c */
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2013-09-22 17:32:21 +00:00
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void rose_kick(struct sock *);
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void rose_enquiry_response(struct sock *);
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2005-04-16 22:20:36 +00:00
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/* rose_route.c */
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2007-10-08 06:44:17 +00:00
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extern struct rose_neigh *rose_loopback_neigh;
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2018-04-13 17:44:18 +00:00
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extern const struct seq_operations rose_neigh_seqops;
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extern const struct seq_operations rose_node_seqops;
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extern struct seq_operations rose_route_seqops;
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2005-04-16 22:20:36 +00:00
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2013-09-22 17:32:21 +00:00
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void rose_add_loopback_neigh(void);
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2021-10-12 15:58:36 +00:00
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int __must_check rose_add_loopback_node(const rose_address *);
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void rose_del_loopback_node(const rose_address *);
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2013-09-22 17:32:21 +00:00
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void rose_rt_device_down(struct net_device *);
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void rose_link_device_down(struct net_device *);
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struct net_device *rose_dev_first(void);
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struct net_device *rose_dev_get(rose_address *);
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struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *);
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struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *,
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unsigned char *, int);
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int rose_rt_ioctl(unsigned int, void __user *);
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void rose_link_failed(ax25_cb *, int);
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int rose_route_frame(struct sk_buff *, ax25_cb *);
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void rose_rt_free(void);
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2005-04-16 22:20:36 +00:00
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/* rose_subr.c */
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2013-09-22 17:32:21 +00:00
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void rose_clear_queues(struct sock *);
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void rose_frames_acked(struct sock *, unsigned short);
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void rose_requeue_frames(struct sock *);
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int rose_validate_nr(struct sock *, unsigned short);
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void rose_write_internal(struct sock *, int);
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int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *);
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int rose_parse_facilities(unsigned char *, unsigned int,
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struct rose_facilities_struct *);
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void rose_disconnect(struct sock *, int, int, int);
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2005-04-16 22:20:36 +00:00
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/* rose_timer.c */
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2013-09-22 17:32:21 +00:00
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void rose_start_heartbeat(struct sock *);
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void rose_start_t1timer(struct sock *);
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void rose_start_t2timer(struct sock *);
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void rose_start_t3timer(struct sock *);
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void rose_start_hbtimer(struct sock *);
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void rose_start_idletimer(struct sock *);
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void rose_stop_heartbeat(struct sock *);
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void rose_stop_timer(struct sock *);
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void rose_stop_idletimer(struct sock *);
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2005-04-16 22:20:36 +00:00
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/* sysctl_net_rose.c */
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2013-09-22 17:32:21 +00:00
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void rose_register_sysctl(void);
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void rose_unregister_sysctl(void);
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2005-04-16 22:20:36 +00:00
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#endif
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