Thread (3 messages) 3 messages, 2 authors, 2022-05-02

Re: [PATCH] nfp: support VxLAN inner TSO with GSO_PARTIAL offload

From: patchwork-bot+netdevbpf@kernel.org
Date: 2022-05-02 11:10:16

Hello:

This patch was applied to netdev/net-next.git (master)
by Paolo Abeni [off-list ref]:

On Sun,  1 May 2022 08:11:50 +0900 you wrote:
From: Fei Qin <redacted>

VxLAN belongs to UDP-based encapsulation protocol. Inner TSO for VxLAN
packet with udpcsum requires offloading of outer header csum.

The device doesn't support outer header csum offload. However, inner TSO
for VxLAN with udpcsum can still work with GSO_PARTIAL offload, which
means outer udp csum computed by stack and inner tcp segmentation finished
by hardware. Thus, the patch enable features "NETIF_F_GSO_UDP_TUNNEL_CSUM"
and "NETIF_F_GSO_PARTIAL" and set gso_partial_features.

[...]
Here is the summary with links:
  - nfp: support VxLAN inner TSO with GSO_PARTIAL offload
    https://git.kernel.org/netdev/net-next/c/ae664d9d8559

You are awesome, thank you!
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