0   dO?  /* SPDX-License-Identifier: GPL-2.0-only */ /* * File: af_phonet.h * * Phonet sockets kernel definitions * * Copyright (C) 2008 Nokia Corporation. */ #ifndef AF_PHONET_H #define AF_PHONET_H #include #include #include /* * The lower layers may not require more space, ever. Make sure it's * enough. */ #define MAX_PHONET_HEADER (8 + MAX_HEADER) /* * Every Phonet* socket has this structure first in its * protocol-specific structure under name c. */ struct pn_sock { struct sock sk; u16 sobject; u16 dobject; u8 resource; }; static inline struct pn_sock *pn_sk(struct sock *sk) { return (struct pn_sock *)sk; } extern const struct proto_ops phonet_dgram_ops; void pn_sock_init(void); struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa); void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb); void phonet_get_local_port_range(int *min, int *max); int pn_sock_hash(struct sock *sk); void pn_sock_unhash(struct sock *sk); int pn_sock_get_port(struct sock *sk, unsigned short sport); struct sock *pn_find_sock_by_res(struct net *net, u8 res); int pn_sock_bind_res(struct sock *sock, u8 res); int pn_sock_unbind_res(struct sock *sk, u8 res); void pn_sock_unbind_all_res(struct sock *sk); int pn_skb_send(struct sock *sk, struct sk_buff *skb, const struct sockaddr_pn *target); static inline struct phonethdr *pn_hdr(struct sk_buff *skb) { return (struct phonethdr *)skb_network_header(skb); } static inline struct phonetmsg *pn_msg(struct sk_buff *skb) { return (struct phonetmsg *)skb_transport_header(skb); } /* * Get the other party's sockaddr from received skb. The skb begins * with a Phonet header. */ static inline void pn_skb_get_src_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa) { struct phonethdr *ph = pn_hdr(skb); u16 obj = pn_object(ph->pn_sdev, ph->pn_sobj); sa->spn_family = AF_PHONET; pn_sockaddr_set_object(sa, obj); pn_sockaddr_set_resource(sa, ph->pn_res); memset(sa->spn_zero, 0, sizeof(sa->spn_zero)); } static inline void pn_skb_get_dst_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa) { struct phonethdr *ph = pn_hdr(skb); u16 obj = pn_object(ph->pn_rdev, ph->pn_robj); sa->spn_family = AF_PHONET; pn_sockaddr_set_object(sa, obj); pn_sockaddr_set_resource(sa, ph->pn_res); memset(sa->spn_zero, 0, sizeof(sa->spn_zero)); } /* Protocols in Phonet protocol family. */ struct phonet_protocol { const struct proto_ops *ops; struct proto *prot; int sock_type; }; int phonet_proto_register(unsigned int protocol, const struct phonet_protocol *pp); void phonet_proto_unregister(unsigned int protocol, const struct phonet_protocol *pp); int phonet_sysctl_init(void); void phonet_sysctl_exit(void); int isi_register(void); void isi_unregister(void); static inline bool sk_is_phonet(struct sock *sk) { return sk->sk_family == PF_PHONET; } static inline int phonet_sk_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) { int karg; switch (cmd) { case SIOCPNADDRESOURCE: case SIOCPNDELRESOURCE: if (get_user(karg, (int __user *)arg)) return -EFAULT; return sk->sk_prot->ioctl(sk, cmd, &karg); } /* A positive return value means that the ioctl was not processed */ return 1; } #endif " lm_J*j"T5pS h MAJOR=8 MINOR=0 DEVNAME=sda DEVTYPE=disk DISKSEQ=1 1 l=J 2BP@7o _ub &=Ly[Ͽ? 7zXZִF!t/ᲔM(]?Eh=ڜ.+6 g3#N$^-