On Wed, Dec 02, 2015 at 07:05:38AM -0500, Sowmini Varadhan wrote: > On (12/02/15 07:53), Steffen Klassert wrote: > > > > I'm currently working on a GRO/GSO codepath for IPsec too. The GRO part > > works already. I decapsulate/decrypt the packets on layer2 with a esp GRO > > callback function and reinject them into napi_gro_receive(). So in case > > the decapsulated packet is TCP, GRO can aggregate big packets. > > Would you be able to share your patch with me? I'd like to give that a try > just to get preliminary numbers (and I could massage it as needed > for transport mode too). I've got the final bits to work today, I can do async crypto now. I can push the patches to a public tree after some polishing. But I have to warn, it has still bugs and no usefull commit messages. I did a first test with forwaring esp in tunnel mode. The crypto algorithm I used was: pcrypt(echainiv(authenc(hmac(sha1-ssse3),cbc-aes-aesni))) Result: iperf -c 10.0.0.12 -t 60 ------------------------------------------------------------ Client connecting to 10.0.0.12, TCP port 5001 TCP window size: 45.0 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.0.12 port 39380 connected with 10.0.0.12 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-60.0 sec 32.8 GBytes 4.70 Gbits/sec I provide more informatios as soon as the code is available. > > > Another thing, I thought about setting up an IPsec BoF/workshop at > > netdev1.1. My main topic is GRO/GSO for IPsec. I'll send out a mail > > to the list later this week to see if there is enough interest and > > maybe some additional topics. > > Sounds like an excellent idea. I'm certainly interested. Great, than we are at least two :) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html