1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* RxRPC kernel service interface definitions 3 * 4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 5 * Written by David Howells (dhowells@redhat.com) 6 */ 7 8 #ifndef _NET_RXRPC_H 9 #define _NET_RXRPC_H 10 11 #include <linux/rxrpc.h> 12 #include <linux/ktime.h> 13 14 struct key; 15 struct sock; 16 struct socket; 17 struct rxrpc_call; 18 enum rxrpc_abort_reason; 19 20 enum rxrpc_interruptibility { 21 RXRPC_INTERRUPTIBLE, /* Call is interruptible */ 22 RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */ 23 RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */ 24 }; 25 26 /* 27 * Debug ID counter for tracing. 28 */ 29 extern atomic_t rxrpc_debug_id; 30 31 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, 32 unsigned long); 33 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, 34 unsigned long); 35 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, 36 unsigned long); 37 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); 38 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); 39 40 void rxrpc_kernel_new_call_notification(struct socket *, 41 rxrpc_notify_new_call_t, 42 rxrpc_discard_new_call_t); 43 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, 44 struct sockaddr_rxrpc *, 45 struct key *, 46 unsigned long, 47 s64, 48 gfp_t, 49 rxrpc_notify_rx_t, 50 bool, 51 enum rxrpc_interruptibility, 52 unsigned int); 53 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, 54 struct msghdr *, size_t, 55 rxrpc_notify_end_tx_t); 56 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, 57 struct iov_iter *, size_t *, bool, u32 *, u16 *); 58 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, 59 u32, int, enum rxrpc_abort_reason); 60 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); 61 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, 62 struct sockaddr_rxrpc *); 63 bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *); 64 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, 65 rxrpc_user_attach_call_t, unsigned long, gfp_t, 66 unsigned int); 67 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); 68 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); 69 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); 70 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *, 71 unsigned long); 72 73 int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val); 74 int rxrpc_sock_set_security_keyring(struct sock *, struct key *); 75 76 #endif /* _NET_RXRPC_H */ 77