1.\" Copyright (c) 2017, Chelsio Inc 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd June 3, 2019 26.Dt CCR 4 27.Os 28.Sh NAME 29.Nm ccr 30.Nd "Chelsio T6 crypto accelerator driver" 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following lines in your 34kernel configuration file: 35.Bd -ragged -offset indent 36.Cd "device ccr" 37.Cd "device cxgbe" 38.Ed 39.Pp 40To load the driver as a 41module at boot time, place the following line in 42.Xr loader.conf 5 : 43.Bd -literal -offset indent 44ccr_load="YES" 45.Ed 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for the crypto accelerator engine included on 50PCI Express Ethernet adapters based on the Chelsio Terminator 6 ASIC (T6). 51The driver accelerates AES-CBC, AES-CCM, AES-CTR, AES-GCM, AES-XTS, 52SHA1, SHA2-224, SHA2-256, SHA2-384, SHA2-512, 53SHA1-HMAC, SHA2-224-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, and SHA2-512-HMAC 54operations for 55.Xr crypto 4 56and 57.Xr ipsec 4 . 58The driver also supports chaining one of AES-CBC, AES-CTR, or AES-XTS with 59SHA1-HMAC, SHA2-224-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, or SHA2-512-HMAC for 60encrypt-then-authenticate operations. 61For further hardware information and questions related to hardware 62requirements, see 63.Pa http://www.chelsio.com/ . 64.Pp 65The 66.Nm 67driver attaches as a child of an existing Chelsio NIC device and thus 68requires that the 69.Xr cxgbe 4 70driver be active. 71.Sh HARDWARE 72The 73.Nm 74driver supports the crypto accelerator engine included on adapters 75based on the T6 ASIC: 76.Pp 77.Bl -bullet -compact 78.It 79Chelsio T6225-CR 80.It 81Chelsio T6225-SO-CR 82.It 83Chelsio T62100-LP-CR 84.It 85Chelsio T62100-SO-CR 86.It 87Chelsio T62100-CR 88.El 89.Sh SUPPORT 90For general information and support, 91go to the Chelsio support website at: 92.Pa http://www.chelsio.com/ . 93.Pp 94If an issue is identified with this driver with a supported adapter, 95email all the specific information related to the issue to 96.Aq Mt support@chelsio.com . 97.Sh SEE ALSO 98.Xr crypto 4 , 99.Xr cxgbe 4 , 100.Xr ipsec 4 101.Sh HISTORY 102The 103.Nm 104device driver first appeared in 105.Fx 12.0 . 106.Sh AUTHORS 107.An -nosplit 108The 109.Nm 110driver was written by 111.An John Baldwin Aq Mt jhb@FreeBSD.org . 112