diff options
Diffstat (limited to 'include/net/af_rxrpc.h')
| -rw-r--r-- | include/net/af_rxrpc.h | 131 |
1 files changed, 96 insertions, 35 deletions
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h index 03e6e9453623..0fb4c41c9bbf 100644 --- a/include/net/af_rxrpc.h +++ b/include/net/af_rxrpc.h @@ -1,54 +1,115 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* RxRPC kernel service interface definitions * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _NET_RXRPC_H #define _NET_RXRPC_H #include <linux/rxrpc.h> +#include <linux/ktime.h> +struct key; +struct sock; +struct socket; struct rxrpc_call; +struct rxrpc_peer; +struct krb5_buffer; +enum rxrpc_abort_reason; + +enum rxrpc_interruptibility { + RXRPC_INTERRUPTIBLE, /* Call is interruptible */ + RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */ + RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */ +}; + +enum rxrpc_oob_type { + RXRPC_OOB_CHALLENGE, /* Security challenge for a connection */ +}; /* - * the mark applied to socket buffers that may be intercepted + * Debug ID counter for tracing. */ -enum { - RXRPC_SKB_MARK_DATA, /* data message */ - RXRPC_SKB_MARK_FINAL_ACK, /* final ACK received message */ - RXRPC_SKB_MARK_BUSY, /* server busy message */ - RXRPC_SKB_MARK_REMOTE_ABORT, /* remote abort message */ - RXRPC_SKB_MARK_NET_ERROR, /* network error message */ - RXRPC_SKB_MARK_LOCAL_ERROR, /* local error message */ - RXRPC_SKB_MARK_NEW_CALL, /* local error message */ +extern atomic_t rxrpc_debug_id; + +/* + * Operations table for rxrpc to call out to a kernel application (e.g. kAFS). + */ +struct rxrpc_kernel_ops { + void (*notify_new_call)(struct sock *sk, struct rxrpc_call *call, + unsigned long user_call_ID); + void (*discard_new_call)(struct rxrpc_call *call, unsigned long user_call_ID); + void (*user_attach_call)(struct rxrpc_call *call, unsigned long user_call_ID); + void (*notify_oob)(struct sock *sk, struct sk_buff *oob); }; -typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long, - struct sk_buff *); -extern void rxrpc_kernel_intercept_rx_messages(struct socket *, - rxrpc_interceptor_t); -extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *, - struct sockaddr_rxrpc *, - struct key *, - unsigned long, - gfp_t); -extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, - size_t); -extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32); -extern void rxrpc_kernel_end_call(struct rxrpc_call *); -extern bool rxrpc_kernel_is_data_last(struct sk_buff *); -extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *); -extern int rxrpc_kernel_get_error_number(struct sk_buff *); -extern void rxrpc_kernel_data_delivered(struct sk_buff *); -extern void rxrpc_kernel_free_skb(struct sk_buff *); -extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, - unsigned long); -extern int rxrpc_kernel_reject_call(struct socket *); +typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, + unsigned long); +typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, + unsigned long); + +void rxrpc_kernel_set_notifications(struct socket *sock, + const struct rxrpc_kernel_ops *app_ops); +struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, + struct rxrpc_peer *peer, + struct key *key, + unsigned long user_call_ID, + s64 tx_total_len, + u32 hard_timeout, + gfp_t gfp, + rxrpc_notify_rx_t notify_rx, + u16 service_id, + bool upgrade, + enum rxrpc_interruptibility interruptibility, + unsigned int debug_id); +int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, + struct msghdr *, size_t, + rxrpc_notify_end_tx_t); +int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, + struct iov_iter *, size_t *, bool, u32 *, u16 *); +bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, + u32, int, enum rxrpc_abort_reason); +void rxrpc_kernel_shutdown_call(struct socket *sock, struct rxrpc_call *call); +void rxrpc_kernel_put_call(struct socket *sock, struct rxrpc_call *call); +struct rxrpc_peer *rxrpc_kernel_lookup_peer(struct socket *sock, + struct sockaddr_rxrpc *srx, gfp_t gfp); +void rxrpc_kernel_put_peer(struct rxrpc_peer *peer); +struct rxrpc_peer *rxrpc_kernel_get_peer(struct rxrpc_peer *peer); +struct rxrpc_peer *rxrpc_kernel_get_call_peer(struct socket *sock, struct rxrpc_call *call); +const struct sockaddr_rxrpc *rxrpc_kernel_remote_srx(const struct rxrpc_peer *peer); +const struct sockaddr *rxrpc_kernel_remote_addr(const struct rxrpc_peer *peer); +unsigned long rxrpc_kernel_set_peer_data(struct rxrpc_peer *peer, unsigned long app_data); +unsigned long rxrpc_kernel_get_peer_data(const struct rxrpc_peer *peer); +unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *); +int rxrpc_kernel_charge_accept(struct socket *sock, rxrpc_notify_rx_t notify_rx, + unsigned long user_call_ID, gfp_t gfp, + unsigned int debug_id); +void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); +bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); + +int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val); +int rxrpc_sock_set_security_keyring(struct sock *, struct key *); +int rxrpc_sock_set_manage_response(struct sock *sk, bool set); + +enum rxrpc_oob_type rxrpc_kernel_query_oob(struct sk_buff *oob, + struct rxrpc_peer **_peer, + unsigned long *_peer_appdata); +struct sk_buff *rxrpc_kernel_dequeue_oob(struct socket *sock, + enum rxrpc_oob_type *_type); +void rxrpc_kernel_free_oob(struct sk_buff *oob); +void rxrpc_kernel_query_challenge(struct sk_buff *challenge, + struct rxrpc_peer **_peer, + unsigned long *_peer_appdata, + u16 *_service_id, u8 *_security_index); +int rxrpc_kernel_reject_challenge(struct sk_buff *challenge, u32 abort_code, + int error, enum rxrpc_abort_reason why); +int rxkad_kernel_respond_to_challenge(struct sk_buff *challenge); +u32 rxgk_kernel_query_challenge(struct sk_buff *challenge); +int rxgk_kernel_respond_to_challenge(struct sk_buff *challenge, + struct krb5_buffer *appdata); +u8 rxrpc_kernel_query_call_security(struct rxrpc_call *call, + u16 *_service_id, u32 *_enctype); #endif /* _NET_RXRPC_H */ |