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 November 25, 2024 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 9 56consumers such as 57.Xr ktls 4 , 58.Xr geli 4 , 59and 60.Xr ipsec 4 . 61The driver also supports chaining one of AES-CBC, AES-CTR, or AES-XTS with 62SHA1-HMAC, SHA2-224-HMAC, SHA2-256-HMAC, SHA2-384-HMAC, or SHA2-512-HMAC for 63encrypt-then-authenticate operations. 64For further hardware information and questions related to hardware 65requirements, see 66.Pa http://www.chelsio.com/ . 67.Pp 68The 69.Nm 70driver attaches as a child of an existing Chelsio NIC device and thus 71requires that the 72.Xr cxgbe 4 73driver be active. 74.Sh HARDWARE 75The 76.Nm 77driver supports the crypto accelerator engine included on adapters 78based on the T6 ASIC: 79.Pp 80.Bl -bullet -compact 81.It 82Chelsio T6225-CR 83.It 84Chelsio T6225-SO-CR 85.It 86Chelsio T62100-LP-CR 87.It 88Chelsio T62100-SO-CR 89.It 90Chelsio T62100-CR 91.El 92.Sh SUPPORT 93For general information and support, 94go to the Chelsio support website at: 95.Pa http://www.chelsio.com/ . 96.Pp 97If an issue is identified with this driver with a supported adapter, 98email all the specific information related to the issue to 99.Aq Mt support@chelsio.com . 100.Sh SEE ALSO 101.Xr crypto 4 , 102.Xr cxgbe 4 , 103.Xr geli 4 , 104.Xr ipsec 4 , 105.Xr ktls 4 , 106.Xr crypto 7 , 107.Xr crypto 9 108.Sh HISTORY 109The 110.Nm 111device driver first appeared in 112.Fx 12.0 . 113.Sh AUTHORS 114.An -nosplit 115The 116.Nm 117driver was written by 118.An John Baldwin Aq Mt jhb@FreeBSD.org . 119