From: Jakub Kicinski <kuba@kernel.org>
To: Ding Meng <meng.ding@siemens.com>
Cc: netdev@vger.kernel.org,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Jonathan Corbet <corbet@lwn.net>,
Andrew Lunn <andrew+netdev@lunn.ch>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Richard Cochran <richardcochran@gmail.com>,
florian.bezdeka@siemens.com, jan.kiszka@siemens.com,
wq.wang@siemens.com, p@1g4.org, gerhard@engleder-embedded.com,
Jason Xing <kerneljasonxing@gmail.com>,
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Randy Dunlap <rdunlap@infradead.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
Jiri Olsa <jolsa@kernel.org>,
Emil Tsalapatis <emil@etsalapatis.com>,
Ihor Solodrai <ihor.solodrai@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@fomichev.me>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
intel-wired-lan@lists.osuosl.org,
linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH] net: mark skb NAPI IDs independently of busy polling
Date: Tue, 10 Nov 2026 13:45:39 -0800 [thread overview]
Message-ID: <20261110134539.12d860ef@kernel.org> (raw)
In-Reply-To: <20261105071706.7043-1-meng.ding@siemens.com>
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
next prev parent reply other threads:[~2026-11-10 21:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 7:16 [PATCH] net: mark skb NAPI IDs independently of busy polling Ding Meng
2026-11-05 8:04 ` bot+bpf-ci
2026-11-05 8:04 ` bot+bpf-ci
2026-11-05 18:36 ` Jacob Keller
2026-11-05 22:29 ` Paul Moses
2026-11-06 2:03 ` Paul Moses
2026-11-06 5:50 ` Ding Meng
2026-11-06 6:36 ` Paul Moses
2026-11-10 19:32 ` Gerhard Engleder
2026-11-10 21:45 ` Jakub Kicinski [this message]
2026-11-12 4:33 ` Ding Meng
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