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af_rxrpc.h

af_rxrpc.h 1.9 KB
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  1. /* RxRPC kernel service interface definitions
    2. 

  2.  *
    3. 

  3.  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
    4. 

  4.  * Written by David Howells (dhowells@redhat.com)
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or
    7. 

  7.  * modify it under the terms of the GNU General Public License
    8. 

  8.  * as published by the Free Software Foundation; either version
    9. 

  9.  * 2 of the License, or (at your option) any later version.
    10. 

  10.  */
    11. 

  11. 

  12. #ifndef _NET_RXRPC_H
    13. 

  13. #define _NET_RXRPC_H
    14. 

  14. 

  15. #include <linux/rxrpc.h>
    16. 

  16. 

  17. struct rxrpc_call;
    18. 

  18. 

  19. /*
    20. 

  20.  * the mark applied to socket buffers that may be intercepted
    21. 

  21.  */
    22. 

  22. enum {
    23. 

  23. 	RXRPC_SKB_MARK_DATA,		/* data message */
    24. 

  24. 	RXRPC_SKB_MARK_FINAL_ACK,	/* final ACK received message */
    25. 

  25. 	RXRPC_SKB_MARK_BUSY,		/* server busy message */
    26. 

  26. 	RXRPC_SKB_MARK_REMOTE_ABORT,	/* remote abort message */
    27. 

  27. 	RXRPC_SKB_MARK_NET_ERROR,	/* network error message */
    28. 

  28. 	RXRPC_SKB_MARK_LOCAL_ERROR,	/* local error message */
    29. 

  29. 	RXRPC_SKB_MARK_NEW_CALL,	/* local error message */
    30. 

  30. };
    31. 

  31. 

  32. typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
    33. 

  33. 				    struct sk_buff *);
    34. 

  34. extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
    35. 

  35. 					       rxrpc_interceptor_t);
    36. 

  36. extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
    37. 

  37. 						  struct sockaddr_rxrpc *,
    38. 

  38. 						  struct key *,
    39. 

  39. 						  unsigned long,
    40. 

  40. 						  gfp_t);
    41. 

  41. extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
    42. 

  42. 				  size_t);
    43. 

  43. extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
    44. 

  44. extern void rxrpc_kernel_end_call(struct rxrpc_call *);
    45. 

  45. extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
    46. 

  46. extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
    47. 

  47. extern int rxrpc_kernel_get_error_number(struct sk_buff *);
    48. 

  48. extern void rxrpc_kernel_data_delivered(struct sk_buff *);
    49. 

  49. extern void rxrpc_kernel_free_skb(struct sk_buff *);
    50. 

  50. extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
    51. 

  51. 						   unsigned long);
    52. 

  52. extern int rxrpc_kernel_reject_call(struct socket *);
    53. 

  53. 

  54. #endif /* _NET_RXRPC_H */
    55. 

  55.