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 17 struct rxrpc_call; 18 19 /* 20 * the mark applied to socket buffers that may be intercepted 21 */ 22 enum { 23 RXRPC_SKB_MARK_DATA, /* data message */ 24 RXRPC_SKB_MARK_FINAL_ACK, /* final ACK received message */ 25 RXRPC_SKB_MARK_BUSY, /* server busy message */ 26 RXRPC_SKB_MARK_REMOTE_ABORT, /* remote abort message */ 27 RXRPC_SKB_MARK_NET_ERROR, /* network error message */ 28 RXRPC_SKB_MARK_LOCAL_ERROR, /* local error message */ 29 RXRPC_SKB_MARK_NEW_CALL, /* local error message */ 30 }; 31 32 typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long, 33 struct sk_buff *); 34 extern void rxrpc_kernel_intercept_rx_messages(struct socket *, 35 rxrpc_interceptor_t); 36 extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, 37 struct sockaddr_rxrpc *, 38 struct key *, 39 unsigned long, 40 gfp_t); 41 extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, 42 size_t); 43 extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32); 44 extern void rxrpc_kernel_end_call(struct rxrpc_call *); 45 extern bool rxrpc_kernel_is_data_last(struct sk_buff *); 46 extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *); 47 extern int rxrpc_kernel_get_error_number(struct sk_buff *); 48 extern void rxrpc_kernel_data_delivered(struct sk_buff *); 49 extern void rxrpc_kernel_free_skb(struct sk_buff *); 50 extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, 51 unsigned long); 52 extern int rxrpc_kernel_reject_call(struct socket *); 53 54 #endif /* _NET_RXRPC_H */ 55