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b24413180f
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>
165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2006 IBM Corporation
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* IUCV protocol stack for Linux on zSeries
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* Version 1.0
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* Author(s): Jennifer Hunt <jenhunt@us.ibm.com>
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*
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*/
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#ifndef __AFIUCV_H
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#define __AFIUCV_H
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#include <asm/types.h>
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#include <asm/byteorder.h>
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#include <linux/list.h>
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#include <linux/poll.h>
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#include <linux/socket.h>
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#include <net/iucv/iucv.h>
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#ifndef AF_IUCV
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#define AF_IUCV 32
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#define PF_IUCV AF_IUCV
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#endif
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/* Connection and socket states */
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enum {
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IUCV_CONNECTED = 1,
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IUCV_OPEN,
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IUCV_BOUND,
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IUCV_LISTEN,
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IUCV_DISCONN,
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IUCV_CLOSING,
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IUCV_CLOSED
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};
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#define IUCV_QUEUELEN_DEFAULT 65535
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#define IUCV_HIPER_MSGLIM_DEFAULT 128
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#define IUCV_CONN_TIMEOUT (HZ * 40)
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#define IUCV_DISCONN_TIMEOUT (HZ * 2)
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#define IUCV_CONN_IDLE_TIMEOUT (HZ * 60)
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#define IUCV_BUFSIZE_DEFAULT 32768
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/* IUCV socket address */
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struct sockaddr_iucv {
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sa_family_t siucv_family;
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unsigned short siucv_port; /* Reserved */
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unsigned int siucv_addr; /* Reserved */
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char siucv_nodeid[8]; /* Reserved */
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char siucv_user_id[8]; /* Guest User Id */
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char siucv_name[8]; /* Application Name */
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};
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/* Common socket structures and functions */
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struct sock_msg_q {
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struct iucv_path *path;
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struct iucv_message msg;
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struct list_head list;
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spinlock_t lock;
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};
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#define AF_IUCV_FLAG_ACK 0x1
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#define AF_IUCV_FLAG_SYN 0x2
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#define AF_IUCV_FLAG_FIN 0x4
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#define AF_IUCV_FLAG_WIN 0x8
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#define AF_IUCV_FLAG_SHT 0x10
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struct af_iucv_trans_hdr {
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u16 magic;
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u8 version;
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u8 flags;
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u16 window;
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char destNodeID[8];
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char destUserID[8];
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char destAppName[16];
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char srcNodeID[8];
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char srcUserID[8];
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char srcAppName[16]; /* => 70 bytes */
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struct iucv_message iucv_hdr; /* => 33 bytes */
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u8 pad; /* total 104 bytes */
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} __packed;
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enum iucv_tx_notify {
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/* transmission of skb is completed and was successful */
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TX_NOTIFY_OK = 0,
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/* target is unreachable */
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TX_NOTIFY_UNREACHABLE = 1,
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/* transfer pending queue full */
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TX_NOTIFY_TPQFULL = 2,
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/* general error */
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TX_NOTIFY_GENERALERROR = 3,
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/* transmission of skb is pending - may interleave
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* with TX_NOTIFY_DELAYED_* */
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TX_NOTIFY_PENDING = 4,
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/* transmission of skb was done successfully (delayed) */
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TX_NOTIFY_DELAYED_OK = 5,
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/* target unreachable (detected delayed) */
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TX_NOTIFY_DELAYED_UNREACHABLE = 6,
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/* general error (detected delayed) */
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TX_NOTIFY_DELAYED_GENERALERROR = 7,
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};
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#define iucv_sk(__sk) ((struct iucv_sock *) __sk)
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#define AF_IUCV_TRANS_IUCV 0
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#define AF_IUCV_TRANS_HIPER 1
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struct iucv_sock {
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struct sock sk;
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char src_user_id[8];
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char src_name[8];
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char dst_user_id[8];
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char dst_name[8];
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struct list_head accept_q;
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spinlock_t accept_q_lock;
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struct sock *parent;
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struct iucv_path *path;
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struct net_device *hs_dev;
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struct sk_buff_head send_skb_q;
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struct sk_buff_head backlog_skb_q;
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struct sock_msg_q message_q;
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unsigned int send_tag;
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u8 flags;
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u16 msglimit;
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u16 msglimit_peer;
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atomic_t msg_sent;
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atomic_t msg_recv;
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atomic_t pendings;
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int transport;
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void (*sk_txnotify)(struct sk_buff *skb,
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enum iucv_tx_notify n);
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};
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struct iucv_skb_cb {
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u32 class; /* target class of message */
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u32 tag; /* tag associated with message */
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u32 offset; /* offset for skb receival */
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};
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#define IUCV_SKB_CB(__skb) ((struct iucv_skb_cb *)&((__skb)->cb[0]))
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/* iucv socket options (SOL_IUCV) */
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#define SO_IPRMDATA_MSG 0x0080 /* send/recv IPRM_DATA msgs */
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#define SO_MSGLIMIT 0x1000 /* get/set IUCV MSGLIMIT */
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#define SO_MSGSIZE 0x0800 /* get maximum msgsize */
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/* iucv related control messages (scm) */
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#define SCM_IUCV_TRGCLS 0x0001 /* target class control message */
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struct iucv_sock_list {
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struct hlist_head head;
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rwlock_t lock;
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atomic_t autobind_name;
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};
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unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
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poll_table *wait);
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void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
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void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
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void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
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void iucv_accept_unlink(struct sock *sk);
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struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock);
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#endif /* __IUCV_H */
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