1 /* RxRPC kernel service interface definitions 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 */ 11 12 #ifndef _NET_RXRPC_H 13 #define _NET_RXRPC_H 14 15 #include <linux/rxrpc.h> 16 #include <linux/ktime.h> 17 18 struct key; 19 struct sock; 20 struct socket; 21 struct rxrpc_call; 22 23 /* 24 * Debug ID counter for tracing. 25 */ 26 extern atomic_t rxrpc_debug_id; 27 28 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, 29 unsigned long); 30 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, 31 unsigned long); 32 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, 33 unsigned long); 34 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); 35 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); 36 37 void rxrpc_kernel_new_call_notification(struct socket *, 38 rxrpc_notify_new_call_t, 39 rxrpc_discard_new_call_t); 40 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, 41 struct sockaddr_rxrpc *, 42 struct key *, 43 unsigned long, 44 s64, 45 gfp_t, 46 rxrpc_notify_rx_t, 47 bool, 48 bool, 49 unsigned int); 50 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, 51 struct msghdr *, size_t, 52 rxrpc_notify_end_tx_t); 53 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, 54 struct iov_iter *, bool, u32 *, u16 *); 55 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, 56 u32, int, const char *); 57 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *); 58 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *, 59 struct sockaddr_rxrpc *); 60 u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *); 61 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, 62 rxrpc_user_attach_call_t, unsigned long, gfp_t, 63 unsigned int); 64 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); 65 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *, 66 u32 *); 67 void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *); 68 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); 69 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *, 70 ktime_t *); 71 bool rxrpc_kernel_call_is_complete(struct rxrpc_call *); 72 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *, 73 unsigned long); 74 75 #endif /* _NET_RXRPC_H */ 76