This patch set adds UDP checksum configuration via netlink and
Remote Checksum Offload for Geneve,
v2:
- Fix type in commi log
v3:
- Fix issue of taking sizeof a pointer instead of the actual object (for real)
Testing (10Gbps mlx4):
Single connection TCP_STREAM in netperf
- No UDP checksums, no RCO
4371.9 Mbpos
- UDP checksums enabled, no RCO
7263.4 Mbps
- UDP checksums enabled, RCO enabled
7607.6 Mbps
200 TCP_RR streams
- No UDP checksums, no RCO
55.05% CPU utilization
879284.9 tps
184/231/742 50/90/99% latencies
- UDP checksums enabled, no RCO
55.46% CPU utilization
901785 tps
176/222/738 50/90/99% latencies
- UDP checksums enabled, RCO enabled
52.36% CPU utilization
910582 tps
174/218/706 50/90/99% latencies
Tom Herbert (3):
rco: Clean up casting errors
geneve: UDP checksum configuration via netlink
geneve: Remote Checksum Offload support
drivers/net/geneve.c | 249 ++++++++++++++++++++++++++++++++++++++-----
include/net/checksum.h | 3 +-
include/net/geneve.h | 22 +++-
include/uapi/linux/if_link.h | 6 ++
4 files changed, 246 insertions(+), 34 deletions(-)
--
2.4.6
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