# Re: \[PATCH net-next\] net: optimize netif\_is\_l3\_master() and netif\_is\_l3\_slave()

- From: patchwork-bot+netdevbpf@kernel.org
- Date: 2026-09-03 01:41:46 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/09/17501600
- Thread: https://ratatoskr.run/netdev/2026/08/17486157/t.md

```text
Hello:

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

On Mon, 31 Aug 2026 15:41:29 +0000 you wrote:
> IFF_L3MDEV_MASTER and IFF_L3MDEV_SLAVE flags are only set and used
> by the VRF driver (CONFIG_NET_VRF).
> 
> netif_is_l3_master() and netif_is_l3_slave() are called in multiple
> performance-critical fast paths (such as GRO, IP routing/FIB lookups,
> TCP/UDP processing, etc.).
> 
> [...]

Here is the summary with links:
  - [net-next] net: optimize netif_is_l3_master() and netif_is_l3_slave()
    https://git.kernel.org/netdev/net-next/c/4187c29c2abd

You are awesome, thank you!
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```