From: Jeff Kirsher <jeffrey.t.kirs...@intel.com> Date: Wed, 24 Jan 2018 08:59:23 -0800
> On Tue, Jan 23, 2018 at 10:20 AM, Jeff Kirsher > <jeffrey.t.kirs...@intel.com> wrote: >> This series contains updates to ixgbe only. >> >> Shannon Nelson provides an implementation of the ipsec hardware offload >> feature for the ixgbe driver for these devices: x540, x550, 82599. >> >> The ixgbe NICs support ipsec offload for 1024 Rx and 1024 Tx Security >> Associations (SAs), using up to 128 inbound IP addresses, and using the >> rfc4106(gcm(aes)) encryption. This code does not yet support checksum >> offload, or TSO in conjunction with the ipsec offload - those will be >> added in the future. >> >> This code shows improvements in both packet throughput and CPU utilization. >> For example, here are some quicky numbers that show the magnitude of the >> performance gain on a single run of "iperf -c <dest>" with the ipsec >> offload on both ends of a point-to-point connection: >> >> 9.4 Gbps - normal case >> 7.6 Gbps - ipsec with offload >> 343 Mbps - ipsec no offload > > Dave, looks like you pulled this in as well, correct? I did not > receive notification. My bad, I thought I did say I pulled it. :-)
