xref: /openbmc/linux/include/net/af_rxrpc.h (revision a25e21f0bcd25673b91b97b9805db33350feec0f)
1651350d1SDavid Howells /* RxRPC kernel service interface definitions
217926a79SDavid Howells  *
3651350d1SDavid Howells  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
417926a79SDavid Howells  * Written by David Howells (dhowells@redhat.com)
517926a79SDavid Howells  *
617926a79SDavid Howells  * This program is free software; you can redistribute it and/or
717926a79SDavid Howells  * modify it under the terms of the GNU General Public License
817926a79SDavid Howells  * as published by the Free Software Foundation; either version
917926a79SDavid Howells  * 2 of the License, or (at your option) any later version.
1017926a79SDavid Howells  */
1117926a79SDavid Howells 
1217926a79SDavid Howells #ifndef _NET_RXRPC_H
1317926a79SDavid Howells #define _NET_RXRPC_H
1417926a79SDavid Howells 
1517926a79SDavid Howells #include <linux/rxrpc.h>
1617926a79SDavid Howells 
174de48af6SDavid Howells struct key;
184de48af6SDavid Howells struct sock;
194de48af6SDavid Howells struct socket;
20651350d1SDavid Howells struct rxrpc_call;
21651350d1SDavid Howells 
22c038a58cSDavid Howells /*
23c038a58cSDavid Howells  * Call completion condition (state == RXRPC_CALL_COMPLETE).
24c038a58cSDavid Howells  */
25c038a58cSDavid Howells enum rxrpc_call_completion {
26c038a58cSDavid Howells 	RXRPC_CALL_SUCCEEDED,		/* - Normal termination */
27c038a58cSDavid Howells 	RXRPC_CALL_REMOTELY_ABORTED,	/* - call aborted by peer */
28c038a58cSDavid Howells 	RXRPC_CALL_LOCALLY_ABORTED,	/* - call aborted locally on error or close */
29c038a58cSDavid Howells 	RXRPC_CALL_LOCAL_ERROR,		/* - call failed due to local error */
30c038a58cSDavid Howells 	RXRPC_CALL_NETWORK_ERROR,	/* - call terminated by network error */
31c038a58cSDavid Howells 	NR__RXRPC_CALL_COMPLETIONS
32c038a58cSDavid Howells };
33c038a58cSDavid Howells 
34*a25e21f0SDavid Howells /*
35*a25e21f0SDavid Howells  * Debug ID counter for tracing.
36*a25e21f0SDavid Howells  */
37*a25e21f0SDavid Howells extern atomic_t rxrpc_debug_id;
38*a25e21f0SDavid Howells 
39d001648eSDavid Howells typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
40d001648eSDavid Howells 				  unsigned long);
41e833251aSDavid Howells typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
42e833251aSDavid Howells 				      unsigned long);
4300e90712SDavid Howells typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
4400e90712SDavid Howells 					unsigned long);
4500e90712SDavid Howells typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
4600e90712SDavid Howells typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
47651350d1SDavid Howells 
48d001648eSDavid Howells void rxrpc_kernel_new_call_notification(struct socket *,
4900e90712SDavid Howells 					rxrpc_notify_new_call_t,
5000e90712SDavid Howells 					rxrpc_discard_new_call_t);
51cd2cf63aSJoe Perches struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
52651350d1SDavid Howells 					   struct sockaddr_rxrpc *,
53651350d1SDavid Howells 					   struct key *,
54651350d1SDavid Howells 					   unsigned long,
55e754eba6SDavid Howells 					   s64,
56d001648eSDavid Howells 					   gfp_t,
57a68f4a27SDavid Howells 					   rxrpc_notify_rx_t,
58*a25e21f0SDavid Howells 					   bool,
59*a25e21f0SDavid Howells 					   unsigned int);
604de48af6SDavid Howells int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
61e833251aSDavid Howells 			   struct msghdr *, size_t,
62e833251aSDavid Howells 			   rxrpc_notify_end_tx_t);
63d001648eSDavid Howells int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
64a68f4a27SDavid Howells 			   void *, size_t, size_t *, bool, u32 *, u16 *);
6584a4c09cSDavid Howells bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
665a42976dSDavid Howells 			     u32, int, const char *);
674de48af6SDavid Howells void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
688324f0bcSDavid Howells void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
698324f0bcSDavid Howells 			   struct sockaddr_rxrpc *);
70f4d15fb6SDavid Howells u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
7100e90712SDavid Howells int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
72*a25e21f0SDavid Howells 			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
73*a25e21f0SDavid Howells 			       unsigned int);
74e754eba6SDavid Howells void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
75c038a58cSDavid Howells int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
76c038a58cSDavid Howells 			    struct sockaddr_rxrpc *, struct key *);
77c038a58cSDavid Howells int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *,
78c038a58cSDavid Howells 			    enum rxrpc_call_completion *, u32 *);
79f4d15fb6SDavid Howells u32 rxrpc_kernel_check_life(struct socket *, struct rxrpc_call *);
80651350d1SDavid Howells 
8117926a79SDavid Howells #endif /* _NET_RXRPC_H */
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