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.\" $FreeBSD$ 26.\" 27.Dd May 16, 2017 28.Dt CCR 4 29.Os 30.Sh NAME 31.Nm ccr 32.Nd "Chelsio T6 crypto accelerator driver" 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your 36kernel configuration file: 37.Bd -ragged -offset indeunt 38.Cd "device ccr" 39.Ed 40.Pp 41To load the driver as a 42module at boot time, place the following line in 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45ccr_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50driver provides support for the crypto accelerator engine included on 51PCI Express Ethernet adapters based on the Chelsio Terminator 6 ASIC (T6). 52The driver accelerates AES-CBC, AES-CTR, AES-GCM, AES-XTS, SHA1-HMAC, 53SHA2-256-HMAC, SHA2-384-HMAC, and SHA2-512-HMAC operations for 54.Xr crypto 4 55and 56.Xr ipsec 4 . 57The driver also supports chaining one of AES-CBC, AES-CTR, or AES-XTS with 58SHA1-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, or SHA2-512-HMAC for 59encrypt-then-authenticate operations. 60For further hardware information and questions related to hardware 61requirements, see 62.Pa http://www.chelsio.com/ . 63.Pp 64The 65.Nm 66driver attaches as a child of an existing Chelsio NIC device and thus 67requires that the 68.Xr cxgbe 4 69driver be active. 70.Sh HARDWARE 71The 72.Nm 73driver supports the crypto accelerator engine included on adapters 74based on the T6 ASIC: 75.Pp 76.Bl -bullet -compact 77.It 78Chelsio T6225-CR 79.It 80Chelsio T6225-SO-CR 81.It 82Chelsio T62100-LP-CR 83.It 84Chelsio T62100-SO-CR 85.It 86Chelsio T62100-CR 87.El 88.Sh SUPPORT 89For general information and support, 90go to the Chelsio support website at: 91.Pa http://www.chelsio.com/ . 92.Pp 93If an issue is identified with this driver with a supported adapter, 94email all the specific information related to the issue to 95.Aq Mt support@chelsio.com . 96.Sh SEE ALSO 97.Xr crypto 4 , 98.Xr cxgbe 4 , 99.Xr ipsec 4 100.Sh HISTORY 101The 102.Nm 103device driver first appeared in 104.Fx 12.0 . 105.Sh AUTHORS 106.An -nosplit 107The 108.Nm 109driver was written by 110.An John Baldwin Aq Mt jhb@FreeBSD.org . 111