Merge branch 'ipv6-sr-perf-improvements'
authorDavid S. Miller <davem@davemloft.net>
Fri, 24 Mar 2017 21:47:32 +0000 (14:47 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Mar 2017 21:47:32 +0000 (14:47 -0700)
commitf106d164720af76ef97c3d1e92901bf85f93aeb8
tree4e67bff13827d3aa72f90e7fb0f4dc70c16ef40d
parent3b1af93cf193ca4a94df5f01f480a9d820a194bb
parentaf4a2209b1344939eaac11f269c261d347cbc3ee
Merge branch 'ipv6-sr-perf-improvements'

David Lebrun says:

====================
Performances improvement for IPv6 Segment Routing

This patch series improves the performances of IPv6 SR by optimizing skb head
reallocation and extending the use of dst_cache. The overall performances improve
by 35%.

Before patch series (SRH encap):
Result: OK: 7348320(c7347271+d1048) usec, 5000000 (1000byte,0frags)
  680427pps 5443Mb/sec (5443416000bps) errors: 0

After patch series (SRH encap):
Result: OK: 4774543(c4774084+d459) usec, 5000000 (1000byte,0frags)
  1047220pps 8377Mb/sec (8377760000bps) errors: 0

Baseline for plain IPv6 forwarding:
Result: OK: 4244144(c4243722+d422) usec, 5000000 (1000byte,0frags)
  1178093pps 9424Mb/sec (9424744000bps) errors: 0
====================

Signed-off-by: David S. Miller <davem@davemloft.net>