From: Jakub Kicinski <kuba@kernel.org>
To: Fernando Fernandez Mancera <fmancera@suse.de>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
magnus.karlsson@intel.com, maciej.fijalkowski@intel.com,
sdf@fomichev.me, kerneljasonxing@gmail.com, fw@strlen.de
Subject: Re: [PATCH 1/2 bpf v2] xdp: add XDP extension to skb
Date: Tue, 28 Oct 2025 15:55:58 -0700 [thread overview]
Message-ID: <20251028155558.7c13b033@kernel.org> (raw)
In-Reply-To: <20251028183032.5350-1-fmancera@suse.de>
On Tue, 28 Oct 2025 19:30:31 +0100 Fernando Fernandez Mancera wrote:
> This patch adds a new skb extension for XDP representing the number of
> cq descriptors and a linked list of umem addresses.
>
> This is going to be used from the xsk skb destructor to put the umem
> addresses onto pool's completion queue.
This increases the size of skb extensions and burns a bit in every skb.
Unacceptable for a fallback / slowpath.
prev parent reply other threads:[~2025-10-28 22:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-28 18:30 [PATCH 1/2 bpf v2] xdp: add XDP extension to skb Fernando Fernandez Mancera
2025-10-28 18:30 ` [PATCH 2/2 bpf v2] xsk: avoid data corruption on cq descriptor number Fernando Fernandez Mancera
2025-10-28 23:01 ` Jakub Kicinski
2025-10-29 7:51 ` Fernando Fernandez Mancera
2025-10-29 23:22 ` Jakub Kicinski
2025-10-30 8:38 ` Fernando Fernandez Mancera
2025-10-30 1:05 ` Jason Xing
2025-10-28 22:55 ` Jakub Kicinski [this message]
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