crypto_request.9 (68f6800ce05c386ff045b4416d8595d09c4d8fdd) | crypto_request.9 (74d3f1b63dbea05038e966cf4bb69a01b0589500) |
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1.\" Copyright (c) 2020, Chelsio Inc 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions are met: 5.\" 6.\" 1. Redistributions of source code must retain the above copyright notice, 7.\" this list of conditions and the following disclaimer. 8.\" --- 24 unchanged lines hidden (view full) --- 33.Dd February 8, 2021 34.Dt CRYPTO_REQUEST 9 35.Os 36.Sh NAME 37.Nm crypto_request 38.Nd symmetric cryptographic operations 39.Sh SYNOPSIS 40.In opencrypto/cryptodev.h | 1.\" Copyright (c) 2020, Chelsio Inc 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions are met: 5.\" 6.\" 1. Redistributions of source code must retain the above copyright notice, 7.\" this list of conditions and the following disclaimer. 8.\" --- 24 unchanged lines hidden (view full) --- 33.Dd February 8, 2021 34.Dt CRYPTO_REQUEST 9 35.Os 36.Sh NAME 37.Nm crypto_request 38.Nd symmetric cryptographic operations 39.Sh SYNOPSIS 40.In opencrypto/cryptodev.h |
41.Ft "struct cryptop *" 42.Fn crypto_clonereq "crypto_session_t cses" "struct cryptop *crp" "int how" |
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41.Ft int 42.Fn crypto_dispatch "struct cryptop *crp" 43.Ft int 44.Fn crypto_dispatch_async "struct cryptop *crp" "int flags" 45.Ft void 46.Fn crypto_dispatch_batch "struct cryptopq *crpq" "int flags" 47.Ft void 48.Fn crypto_destroyreq "struct cryptop *crp" --- 22 unchanged lines hidden (view full) --- 71.Sh DESCRIPTION 72Each symmetric cryptographic operation in the kernel is described by 73an instance of 74.Vt struct cryptop 75and is associated with an active session. 76.Pp 77Requests can either be allocated dynamically or use caller-supplied 78storage. | 43.Ft int 44.Fn crypto_dispatch "struct cryptop *crp" 45.Ft int 46.Fn crypto_dispatch_async "struct cryptop *crp" "int flags" 47.Ft void 48.Fn crypto_dispatch_batch "struct cryptopq *crpq" "int flags" 49.Ft void 50.Fn crypto_destroyreq "struct cryptop *crp" --- 22 unchanged lines hidden (view full) --- 73.Sh DESCRIPTION 74Each symmetric cryptographic operation in the kernel is described by 75an instance of 76.Vt struct cryptop 77and is associated with an active session. 78.Pp 79Requests can either be allocated dynamically or use caller-supplied 80storage. |
79Dynamically allocated requests should be allocated by | 81Dynamically allocated requests should be allocated by either |
80.Fn crypto_getreq | 82.Fn crypto_getreq |
83or 84.Fn crypto_clonereq , |
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81and freed by 82.Fn crypto_freereq 83once the request has completed. 84Requests using caller-supplied storage should be initialized by 85.Fn crypto_initreq 86at the start of each operation and destroyed by 87.Fn crypto_destroyreq 88once the request has completed. 89.Pp | 85and freed by 86.Fn crypto_freereq 87once the request has completed. 88Requests using caller-supplied storage should be initialized by 89.Fn crypto_initreq 90at the start of each operation and destroyed by 91.Fn crypto_destroyreq 92once the request has completed. 93.Pp |
90For both 91.Fn crypto_getreq | 94For 95.Fn crypto_clonereq , 96.Fn crypto_getreq , |
92and 93.Fn crypto_initreq , 94.Fa cses 95is a reference to an active session. 96For | 97and 98.Fn crypto_initreq , 99.Fa cses 100is a reference to an active session. 101For |
102.Fn crypto_clonereq 103and |
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97.Fn crypto_getreq , 98.Fa how 99is passed to 100.Xr malloc 9 101and should be set to either 102.Dv M_NOWAIT 103or 104.Dv M_WAITOK . 105.Pp | 104.Fn crypto_getreq , 105.Fa how 106is passed to 107.Xr malloc 9 108and should be set to either 109.Dv M_NOWAIT 110or 111.Dv M_WAITOK . 112.Pp |
113.Fn crypto_clonereq 114allocates a new request that inherits request inputs such as request buffers 115from the original 116.Fa crp 117request. 118However, the new request is associated with the 119.Fa cses 120session rather than inheriting the session from 121.Fa crp . 122.Fa crp 123must not be a completed request. 124.Pp |
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106Once a request has been initialized, 107the caller should set fields in the structure to describe 108request-specific parameters. 109Unused fields should be left as-is. 110.Pp 111The 112.Fn crypto_dispatch , 113.Fn crypto_dispatch_async , --- 414 unchanged lines hidden --- | 125Once a request has been initialized, 126the caller should set fields in the structure to describe 127request-specific parameters. 128Unused fields should be left as-is. 129.Pp 130The 131.Fn crypto_dispatch , 132.Fn crypto_dispatch_async , --- 414 unchanged lines hidden --- |