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 19 /* 20 * Debug ID counter for tracing. 21 */ 22 extern atomic_t rxrpc_debug_id; 23 24 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, 25 unsigned long); 26 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, 27 unsigned long); 28 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, 29 unsigned long); 30 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); 31 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); 32 33 void rxrpc_kernel_new_call_notification(struct socket *, 34 rxrpc_notify_new_call_t, 35 rxrpc_discard_new_call_t); 36 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, 37 struct sockaddr_rxrpc *, 38 struct key *, 39 unsigned long, 40 s64, 41 gfp_t, 42 rxrpc_notify_rx_t, 43 bool, 44 bool, 45 unsigned int); 46 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, 47 struct msghdr *, size_t, 48 rxrpc_notify_end_tx_t); 49 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, 50 struct iov_iter *, bool, u32 *, u16 *); 51 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, 52 u32, int, const char *); 53 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); 54 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, 55 struct sockaddr_rxrpc *); 56 u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *); 57 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, 58 rxrpc_user_attach_call_t, unsigned long, gfp_t, 59 unsigned int); 60 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); 61 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *, 62 u32 *); 63 void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *); 64 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); 65 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *, 66 ktime_t *); 67 bool rxrpc_kernel_call_is_complete(struct rxrpc_call *); 68 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *, 69 unsigned long); 70 71 #endif /* _NET_RXRPC_H */ 72