netdev - [PATCH net-next 0/3] gro: Fixes for tunnels and GRO

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Message-ID: <1435871054-635096-1-git-send-email-tom@herbertland.com>
Date:	Thu, 2 Jul 2015 14:04:11 -0700
From:	Tom Herbert <tom@...bertland.com>
To:	<davem@...emloft.net>, <netdev@...r.kernel.org>
Subject: [PATCH net-next 0/3] gro: Fixes for tunnels and GRO

This patch set addresses some issue related to tunneling and GRO:

- Ensure headers are pull into skb->head when putting 1st packet onto
  GRO list
- Fix remote checksum offload to properly deal with frag0 in GRO.
- Add support for GRO at VXLAN tunnel (call gro_cells)

Testing: Ran one netperf TCP_STREAM to highlight impact of different
configurations:

GUE
  Zero UDP checksum
    4628.42 MBps
  UDP checksums enabled
    6800.51 MBps
  UDP checksums and remote checksum offload
    7663.82 MBps
  UDP checksums and remote checksum offload using no-partial
    7287.25 MBps

VXLAN
  Zero UDP checksum
    4112.02
  UDP checksums enabled
    6785.80 MBps
  UDP checksums and remote checksum offload
    7075.56 MBps
    

Tom Herbert (3):
  gro: Pull headers into skb head for 1st skb in gro list
  gro: Fix remcsum offload to deal with frags in GRO
  vxlan: GRO support at tunnel layer

 drivers/net/vxlan.c       | 31 +++++++++++++++----------------
 include/linux/netdevice.h | 44 ++++++++++++++++++++++++++++++++------------
 net/core/dev.c            |  4 ++++
 net/ipv4/fou.c            | 25 +++++++++----------------
 4 files changed, 60 insertions(+), 44 deletions(-)

-- 
1.8.1

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