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 June 3, 2019 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 indent 38.Cd "device ccr" 39.Cd "device cxgbe" 40.Ed 41.Pp 42To load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46ccr_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for the crypto accelerator engine included on 52PCI Express Ethernet adapters based on the Chelsio Terminator 6 ASIC (T6). 53The driver accelerates AES-CBC, AES-CCM, AES-CTR, AES-GCM, AES-XTS, 54SHA1, SHA2-224, SHA2-256, SHA2-384, SHA2-512, 55SHA1-HMAC, SHA2-224-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, and SHA2-512-HMAC 56operations for 57.Xr crypto 4 58and 59.Xr ipsec 4 . 60The driver also supports chaining one of AES-CBC, AES-CTR, or AES-XTS with 61SHA1-HMAC, SHA2-224-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, or SHA2-512-HMAC for 62encrypt-then-authenticate operations. 63For further hardware information and questions related to hardware 64requirements, see 65.Pa http://www.chelsio.com/ . 66.Pp 67The 68.Nm 69driver attaches as a child of an existing Chelsio NIC device and thus 70requires that the 71.Xr cxgbe 4 72driver be active. 73.Sh HARDWARE 74The 75.Nm 76driver supports the crypto accelerator engine included on adapters 77based on the T6 ASIC: 78.Pp 79.Bl -bullet -compact 80.It 81Chelsio T6225-CR 82.It 83Chelsio T6225-SO-CR 84.It 85Chelsio T62100-LP-CR 86.It 87Chelsio T62100-SO-CR 88.It 89Chelsio T62100-CR 90.El 91.Sh SUPPORT 92For general information and support, 93go to the Chelsio support website at: 94.Pa http://www.chelsio.com/ . 95.Pp 96If an issue is identified with this driver with a supported adapter, 97email all the specific information related to the issue to 98.Aq Mt support@chelsio.com . 99.Sh SEE ALSO 100.Xr crypto 4 , 101.Xr cxgbe 4 , 102.Xr ipsec 4 103.Sh HISTORY 104The 105.Nm 106device driver first appeared in 107.Fx 12.0 . 108.Sh AUTHORS 109.An -nosplit 110The 111.Nm 112driver was written by 113.An John Baldwin Aq Mt jhb@FreeBSD.org . 114