Re: [PATCH] net: mark skb NAPI IDs independently of busy polling

[Jakub Kicinski]

On Thu,  5 Nov 2026 15:16:08 +0800 Ding Meng wrote:
> +  interface index will be returned only if CONFIG_SKB_MARK_NAPI_ID is
> +  enabled and the driver is using NAPI. This hidden configuration is
> +  selected automatically by busy-poll support and by drivers that need
> +  skb NAPI IDs to resolve deferred hardware timestamps. Drivers that
> +  use deferred timestamp conversion must select it so the networking
> +  stack can find the device and call its timestamp callback even when
> +  busy polling is disabled. The struct contains also two other fields,
> +  but they are reserved and undefined.

Just take napi_id from under CONFIG_NET_RX_BUSY_POLL instead of
complicating everyone's lives.
-- 
pw-bot: cr