Thread (3 messages) 3 messages, 3 authors, 2025-09-30

Re: [PATCH net] Revert "net/mlx5e: Update and set Xon/Xoff upon MTU set"

From: patchwork-bot+netdevbpf@kernel.org
Date: 2025-09-30 14:40:13
Also in: linux-rdma

Hello:

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

On Mon, 29 Sep 2025 11:15:29 -0700 you wrote:
This reverts commit ceddedc969f0532b7c62ca971ee50d519d2bc0cb.

Commit in question breaks the mapping of PGs to pools for some SKUs.
Specifically multi-host NICs seem to be shipped with a custom buffer
configuration which maps the lossy PG to pool 4. But the bad commit
overrides this with pool 0 which does not have sufficient buffer space
reserved. Resulting in ~40% packet loss. The commit also breaks BMC /
OOB connection completely (100% packet loss).

[...]
Here is the summary with links:
  - [net] Revert "net/mlx5e: Update and set Xon/Xoff upon MTU set"
    https://git.kernel.org/netdev/net-next/c/6f5dacf88a32

You are awesome, thank you!
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