/* 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; 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 */ }; /* * Debug ID counter for tracing. */ extern atomic_t rxrpc_debug_id; 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); typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, unsigned long); typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); void rxrpc_kernel_new_call_notification(struct socket *, rxrpc_notify_new_call_t, rxrpc_discard_new_call_t); struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, struct sockaddr_rxrpc *, struct key *, unsigned long, s64, gfp_t, rxrpc_notify_rx_t, bool, enum rxrpc_interruptibility, unsigned int); 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 *, bool, u32 *, u16 *); bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, u32, int, const char *); void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, struct sockaddr_rxrpc *); u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *); int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, rxrpc_user_attach_call_t, unsigned long, gfp_t, unsigned int); void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *, ktime_t *); bool rxrpc_kernel_call_is_complete(struct rxrpc_call *); void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *, unsigned long); #endif /* _NET_RXRPC_H */