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6f52b16c5b
Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are 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. See the previous patch in this series for the methodology of how this patch was researched. 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>
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _LINUX_ATMBR2684_H
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#define _LINUX_ATMBR2684_H
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#include <linux/types.h>
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#include <linux/atm.h>
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#include <linux/if.h> /* For IFNAMSIZ */
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/*
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* Type of media we're bridging (ethernet, token ring, etc) Currently only
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* ethernet is supported
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*/
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#define BR2684_MEDIA_ETHERNET (0) /* 802.3 */
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#define BR2684_MEDIA_802_4 (1) /* 802.4 */
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#define BR2684_MEDIA_TR (2) /* 802.5 - token ring */
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#define BR2684_MEDIA_FDDI (3)
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#define BR2684_MEDIA_802_6 (4) /* 802.6 */
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/* used only at device creation: */
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#define BR2684_FLAG_ROUTED (1<<16) /* payload is routed, not bridged */
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/*
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* Is there FCS inbound on this VC? This currently isn't supported.
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*/
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#define BR2684_FCSIN_NO (0)
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#define BR2684_FCSIN_IGNORE (1)
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#define BR2684_FCSIN_VERIFY (2)
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/*
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* Is there FCS outbound on this VC? This currently isn't supported.
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*/
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#define BR2684_FCSOUT_NO (0)
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#define BR2684_FCSOUT_SENDZERO (1)
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#define BR2684_FCSOUT_GENERATE (2)
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/*
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* Does this VC include LLC encapsulation?
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*/
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#define BR2684_ENCAPS_VC (0) /* VC-mux */
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#define BR2684_ENCAPS_LLC (1)
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#define BR2684_ENCAPS_AUTODETECT (2) /* Unsuported */
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/*
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* Is this VC bridged or routed?
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*/
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#define BR2684_PAYLOAD_ROUTED (0)
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#define BR2684_PAYLOAD_BRIDGED (1)
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/*
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* This is for the ATM_NEWBACKENDIF call - these are like socket families:
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* the first element of the structure is the backend number and the rest
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* is per-backend specific
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*/
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struct atm_newif_br2684 {
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atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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int media; /* BR2684_MEDIA_*, flags in upper bits */
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char ifname[IFNAMSIZ];
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int mtu;
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};
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/*
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* This structure is used to specify a br2684 interface - either by a
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* positive integer (returned by ATM_NEWBACKENDIF) or the interfaces name
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*/
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#define BR2684_FIND_BYNOTHING (0)
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#define BR2684_FIND_BYNUM (1)
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#define BR2684_FIND_BYIFNAME (2)
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struct br2684_if_spec {
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int method; /* BR2684_FIND_* */
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union {
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char ifname[IFNAMSIZ];
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int devnum;
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} spec;
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};
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/*
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* This is for the ATM_SETBACKEND call - these are like socket families:
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* the first element of the structure is the backend number and the rest
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* is per-backend specific
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*/
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struct atm_backend_br2684 {
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atm_backend_t backend_num; /* ATM_BACKEND_BR2684 */
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struct br2684_if_spec ifspec;
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int fcs_in; /* BR2684_FCSIN_* */
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int fcs_out; /* BR2684_FCSOUT_* */
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int fcs_auto; /* 1: fcs_{in,out} disabled if no FCS rx'ed */
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int encaps; /* BR2684_ENCAPS_* */
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int has_vpiid; /* 1: use vpn_id - Unsupported */
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__u8 vpn_id[7];
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int send_padding; /* unsupported */
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int min_size; /* we will pad smaller packets than this */
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};
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/*
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* The BR2684_SETFILT ioctl is an experimental mechanism for folks
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* terminating a large number of IP-only vcc's. When netfilter allows
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* efficient per-if in/out filters, this support will be removed
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*/
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struct br2684_filter {
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__be32 prefix; /* network byte order */
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__be32 netmask; /* 0 = disable filter */
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};
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struct br2684_filter_set {
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struct br2684_if_spec ifspec;
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struct br2684_filter filter;
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};
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enum br2684_payload {
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p_routed = BR2684_PAYLOAD_ROUTED,
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p_bridged = BR2684_PAYLOAD_BRIDGED,
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};
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#define BR2684_SETFILT _IOW( 'a', ATMIOC_BACKEND + 0, \
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struct br2684_filter_set)
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#endif /* _LINUX_ATMBR2684_H */
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