Thread (3 messages) 3 messages, 3 authors, 2025-07-22

Re: [PATCH net-next v2] ibmveth: Add multi buffers rx replenishment hcall support

From: patchwork-bot+netdevbpf@kernel.org
Date: 2025-07-22 13:19:56
Also in: linuxppc-dev

Hello:

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

On Sat, 19 Jul 2025 05:13:56 -0400 you wrote:
This patch enables batched RX buffer replenishment in ibmveth by
using the new firmware-supported h_add_logical_lan_buffers() hcall
 to submit up to 8 RX buffers in a single call, instead of repeatedly
calling the single-buffer h_add_logical_lan_buffer() hcall.

During the probe, with the patch, the driver queries ILLAN attributes
to detect IBMVETH_ILLAN_RX_MULTI_BUFF_SUPPORT bit. If the attribute is
present, rx_buffers_per_hcall is set to 8, enabling batched replenishment.
Otherwise, it defaults to 1, preserving the original upstream behavior
 with no change in code flow for unsupported systems.

[...]
Here is the summary with links:
  - [net-next,v2] ibmveth: Add multi buffers rx replenishment hcall support
    https://git.kernel.org/netdev/net-next/c/2094200b5f77

You are awesome, thank you!
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