From: Stanislav Fomichev <stfomichev@gmail.com>
To: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, netdev@vger.kernel.org,
magnus.karlsson@intel.com, kerneljasonxing@gmail.com
Subject: Re: [PATCH v2 bpf-next 1/3] xsk: avoid overwriting skb fields for multi-buffer traffic
Date: Thu, 25 Sep 2025 11:28:47 -0700 [thread overview]
Message-ID: <aNWJ37JhjDf8ExwY@mini-arch> (raw)
In-Reply-To: <20250925160009.2474816-2-maciej.fijalkowski@intel.com>
On 09/25, Maciej Fijalkowski wrote:
> We are unnecessarily setting a bunch of skb fields per each processed
> descriptor, which is redundant for fragmented frames.
>
> Let us set these respective members for first fragment only. To address
> both paths that we have within xsk_build_skb(), move assignments onto
> xsk_set_destructor_arg() and rename it to xsk_skb_init_misc().
>
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
next prev parent reply other threads:[~2025-09-25 18:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-25 16:00 [PATCH v2 bpf-next 0/3] xsk: refactors around generic xmit side Maciej Fijalkowski
2025-09-25 16:00 ` [PATCH v2 bpf-next 1/3] xsk: avoid overwriting skb fields for multi-buffer traffic Maciej Fijalkowski
2025-09-25 18:28 ` Stanislav Fomichev [this message]
2025-09-25 23:45 ` Jason Xing
2025-09-25 16:00 ` [PATCH v2 bpf-next 2/3] xsk: remove @first_frag from xsk_build_skb() Maciej Fijalkowski
2025-09-25 18:28 ` Stanislav Fomichev
2025-09-26 0:09 ` Jason Xing
2025-09-25 16:00 ` [PATCH v2 bpf-next 3/3] xsk: wrap generic metadata handling onto separate function Maciej Fijalkowski
2025-09-26 19:48 ` [PATCH v2 bpf-next 0/3] xsk: refactors around generic xmit side Martin KaFai Lau
2025-09-26 20:54 ` Jakub Kicinski
2025-09-26 21:00 ` patchwork-bot+netdevbpf
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