From: Daniel Borkmann <daniel@iogearbox.net>
To: Jakub Kicinski <kuba@kernel.org>, Jakub Sitnicki <jakub@cloudflare.com>
Cc: "David S. Miller" <davem@davemloft.net>,
David Ahern <dsahern@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Martin KaFai Lau <martin.lau@kernel.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org,
kernel-team@cloudflare.com
Subject: Re: [PATCH net] net: Clear skb metadata before LWT xmit
Date: Thu, 14 May 2026 09:04:43 +0200 [thread overview]
Message-ID: <dff89f5d-01ff-4869-bff2-5c5b285cf578@iogearbox.net> (raw)
In-Reply-To: <20260513172612.6dcc5887@kernel.org>
On 5/14/26 2:26 AM, Jakub Kicinski wrote:
> On Wed, 13 May 2026 11:17:12 +0200 Jakub Sitnicki wrote:
>> I actually wanted to double-check with you and Daniel - is consuming
>> metadata from TC egress supposed to be supported?
>
> Not AFAIK, let's see if Daniel has a use case in mind.
The only case I can think of would be if someone uses metadata
within the tc(x) layer, so from either tc ingress then xmit totc egress or vice versa in order to store BPF-related data in
front, but iiuc that should still work with your patch.
next prev parent reply other threads:[~2026-05-14 7:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-28 19:44 [PATCH net] net: Clear skb metadata before LWT xmit Jakub Sitnicki
2026-05-01 0:31 ` Jakub Kicinski
2026-05-13 9:17 ` Jakub Sitnicki
2026-05-14 0:26 ` Jakub Kicinski
2026-05-14 7:04 ` Daniel Borkmann [this message]
2026-05-14 7:18 ` Daniel Borkmann
2026-05-14 10:49 ` Jakub Sitnicki
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