Thread (2 messages) flat view 2 messages, 2 authors, 2023-07-19

Re: [PATCH net] igc: Prevent garbled TX queue with XDP ZEROCOPY

From: patchwork-bot+netdevbpf@kernel.org
Date: 2023-07-19 02:10:20
Also in: bpf

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Mon, 17 Jul 2023 10:54:44 -0700 you wrote:
From: Florian Kauer <redacted>

In normal operation, each populated queue item has
next_to_watch pointing to the last TX desc of the packet,
while each cleaned item has it set to 0. In particular,
next_to_use that points to the next (necessarily clean)
item to use has next_to_watch set to 0.

[...]
Here is the summary with links:
  - [net] igc: Prevent garbled TX queue with XDP ZEROCOPY
    https://git.kernel.org/netdev/net/c/78adb4bcf99e

You are awesome, thank you!
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