/* SPDX-License-Identifier: GPL-2.0-or-later *//* RxRPC kernel service interface definitions * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ #ifndef _NET_RXRPC_H#define _NET_RXRPC_H #include <linux/rxrpc.h>#include <linux/ktime.h> struct key;struct sock;struct socket;struct rxrpc_call;struct rxrpc_peer;struct krb5_buffer;enum rxrpc_abort_reason; enum rxrpc_interruptibility {	RXRPC_INTERRUPTIBLE,	/* Call is interruptible */	RXRPC_PREINTERRUPTIBLE,	/* Call can be cancelled whilst waiting for a slot */	RXRPC_UNINTERRUPTIBLE,	/* Call should not be interruptible at all */}; enum rxrpc_oob_type {	RXRPC_OOB_CHALLENGE,	/* Security challenge for a connection */}; /* * Debug ID counter for tracing. */extern atomic_t rxrpc_debug_id; /* * Operations table for rxrpc to call out to a kernel application (e.g. kAFS). */struct rxrpc_kernel_ops {	void (*notify_new_call)(struct sock *sk, struct rxrpc_call *call,				unsigned long user_call_ID);	void (*discard_new_call)(struct rxrpc_call *call, unsigned long user_call_ID);	void (*user_attach_call)(struct rxrpc_call *call, unsigned long user_call_ID);	void (*notify_oob)(struct sock *sk, struct sk_buff *oob);}; typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,				  unsigned long);typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,				      unsigned long); void rxrpc_kernel_set_notifications(struct socket *sock,				    const struct rxrpc_kernel_ops *app_ops);struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,					   struct rxrpc_peer *peer,					   struct key *key,					   unsigned long user_call_ID,					   s64 tx_total_len,					   u32 hard_timeout,					   gfp_t gfp,					   rxrpc_notify_rx_t notify_rx,					   u16 service_id,					   bool upgrade,					   enum rxrpc_interruptibility interruptibility,					   unsigned int debug_id);int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,			   struct msghdr *, size_t,			   rxrpc_notify_end_tx_t);int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,			   struct iov_iter *, size_t *, bool, u32 *, u16 *);bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,			     u32, int, enum rxrpc_abort_reason);void rxrpc_kernel_shutdown_call(struct socket *sock, struct rxrpc_call *call);void rxrpc_kernel_put_call(struct socket *sock, struct rxrpc_call *call);struct rxrpc_peer *rxrpc_kernel_lookup_peer(struct socket *sock,					    struct sockaddr_rxrpc *srx, gfp_t gfp);void rxrpc_kernel_put_peer(struct rxrpc_peer *peer);struct rxrpc_peer *rxrpc_kernel_get_peer(struct rxrpc_peer *peer);struct rxrpc_peer *rxrpc_kernel_get_call_peer(struct socket *sock, struct rxrpc_call *call);const struct sockaddr_rxrpc *rxrpc_kernel_remote_srx(const struct rxrpc_peer *peer);const struct sockaddr *rxrpc_kernel_remote_addr(const struct rxrpc_peer *peer);unsigned long rxrpc_kernel_set_peer_data(struct rxrpc_peer *peer, unsigned long app_data);unsigned long rxrpc_kernel_get_peer_data(const struct rxrpc_peer *peer);unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *);int rxrpc_kernel_charge_accept(struct socket *sock, rxrpc_notify_rx_t notify_rx,			       unsigned long user_call_ID, gfp_t gfp,			       unsigned int debug_id);void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);int rxrpc_sock_set_security_keyring(struct sock *, struct key *);int rxrpc_sock_set_manage_response(struct sock *sk, bool set); enum rxrpc_oob_type rxrpc_kernel_query_oob(struct sk_buff *oob,					   struct rxrpc_peer **_peer,					   unsigned long *_peer_appdata);struct sk_buff *rxrpc_kernel_dequeue_oob(struct socket *sock,					 enum rxrpc_oob_type *_type);void rxrpc_kernel_free_oob(struct sk_buff *oob);void rxrpc_kernel_query_challenge(struct sk_buff *challenge,				  struct rxrpc_peer **_peer,				  unsigned long *_peer_appdata,				  u16 *_service_id, u8 *_security_index);int rxrpc_kernel_reject_challenge(struct sk_buff *challenge, u32 abort_code,				  int error, enum rxrpc_abort_reason why);int rxkad_kernel_respond_to_challenge(struct sk_buff *challenge);u32 rxgk_kernel_query_challenge(struct sk_buff *challenge);int rxgk_kernel_respond_to_challenge(struct sk_buff *challenge,				     struct krb5_buffer *appdata);u8 rxrpc_kernel_query_call_security(struct rxrpc_call *call,				    u16 *_service_id, u32 *_enctype); #endif /* _NET_RXRPC_H */