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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin st fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 246 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000436.674189849@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* File: af_phonet.h
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*
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* Phonet sockets kernel definitions
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*
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* Copyright (C) 2008 Nokia Corporation.
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*/
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#ifndef AF_PHONET_H
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#define AF_PHONET_H
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/*
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* The lower layers may not require more space, ever. Make sure it's
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* enough.
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*/
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#define MAX_PHONET_HEADER (8 + MAX_HEADER)
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/*
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* Every Phonet* socket has this structure first in its
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* protocol-specific structure under name c.
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*/
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struct pn_sock {
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struct sock sk;
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u16 sobject;
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u16 dobject;
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u8 resource;
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};
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static inline struct pn_sock *pn_sk(struct sock *sk)
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{
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return (struct pn_sock *)sk;
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}
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extern const struct proto_ops phonet_dgram_ops;
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void pn_sock_init(void);
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struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
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void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb);
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void phonet_get_local_port_range(int *min, int *max);
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int pn_sock_hash(struct sock *sk);
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void pn_sock_unhash(struct sock *sk);
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int pn_sock_get_port(struct sock *sk, unsigned short sport);
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struct sock *pn_find_sock_by_res(struct net *net, u8 res);
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int pn_sock_bind_res(struct sock *sock, u8 res);
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int pn_sock_unbind_res(struct sock *sk, u8 res);
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void pn_sock_unbind_all_res(struct sock *sk);
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int pn_skb_send(struct sock *sk, struct sk_buff *skb,
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const struct sockaddr_pn *target);
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static inline struct phonethdr *pn_hdr(struct sk_buff *skb)
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{
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return (struct phonethdr *)skb_network_header(skb);
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}
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static inline struct phonetmsg *pn_msg(struct sk_buff *skb)
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{
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return (struct phonetmsg *)skb_transport_header(skb);
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}
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/*
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* Get the other party's sockaddr from received skb. The skb begins
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* with a Phonet header.
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*/
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static inline
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void pn_skb_get_src_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa)
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{
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struct phonethdr *ph = pn_hdr(skb);
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u16 obj = pn_object(ph->pn_sdev, ph->pn_sobj);
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sa->spn_family = AF_PHONET;
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pn_sockaddr_set_object(sa, obj);
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pn_sockaddr_set_resource(sa, ph->pn_res);
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memset(sa->spn_zero, 0, sizeof(sa->spn_zero));
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}
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static inline
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void pn_skb_get_dst_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa)
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{
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struct phonethdr *ph = pn_hdr(skb);
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u16 obj = pn_object(ph->pn_rdev, ph->pn_robj);
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sa->spn_family = AF_PHONET;
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pn_sockaddr_set_object(sa, obj);
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pn_sockaddr_set_resource(sa, ph->pn_res);
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memset(sa->spn_zero, 0, sizeof(sa->spn_zero));
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}
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/* Protocols in Phonet protocol family. */
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struct phonet_protocol {
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const struct proto_ops *ops;
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struct proto *prot;
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int sock_type;
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};
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int phonet_proto_register(unsigned int protocol,
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const struct phonet_protocol *pp);
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void phonet_proto_unregister(unsigned int protocol,
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const struct phonet_protocol *pp);
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int phonet_sysctl_init(void);
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void phonet_sysctl_exit(void);
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int isi_register(void);
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void isi_unregister(void);
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#endif
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