Re: ipsec impact on performance

This article is old (turn of the century) but it may have numbers worth comparing to http://www.freeswan.org/freeswan_trees/CURRENT-TREE/doc/performance.html -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majord...@vger.kernel.org More

Re: ipsec impact on performance

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

Re: ipsec impact on performance

On (12/03/15 09:45), Steffen Klassert wrote: > 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)

Re: ipsec impact on performance

On Thu, Dec 03, 2015 at 06:38:20AM -0500, Sowmini Varadhan wrote: > On (12/03/15 09:45), Steffen Klassert wrote: > > pcrypt(echainiv(authenc(hmac(sha1-ssse3),cbc-aes-aesni))) > > > > Result: > > > > iperf -c 10.0.0.12 -t 60 > > > >

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[PATCH] crypto: fix kernel-doc warnings in crypto/aead.h

From: Randy Dunlap Fix 21 occurrences of this kernel-doc warning in : ..//include/crypto/aead.h:149: warning: No description found for parameter 'base' Signed-off-by: Randy Dunlap --- include/crypto/aead.h |1 + 1 file changed, 1

Re: ipsec impact on performance

On Thu, 2015-12-03 at 14:33 -0500, David Miller wrote: > From: Sowmini Varadhan > Date: Tue, 1 Dec 2015 12:59:53 -0500 > > > I instrumented iperf with and without ipsec, just using esp-null, > > and 1 thread, to keep things simple. I'm seeing some pretty dismal > >

Re: ipsec impact on performance

From: Sowmini Varadhan Date: Tue, 1 Dec 2015 12:59:53 -0500 > I instrumented iperf with and without ipsec, just using esp-null, > and 1 thread, to keep things simple. I'm seeing some pretty dismal > performance numbers with ipsec, and trying to think of ways to >

Re: ipsec impact on performance

On (12/03/15 14:33), David Miller wrote: > > Doesn't skb_cow_data() contribute significantly to the ESP base cost, > especially for TCP packets? Indeed. For esp-null, it's about half of the total time spent in esp_output (for one run that I just instrumented with perf tracepoints 2.5 ms