netdev - Re: [PATCH bpf-next 2/6] selftests/xsk: Add tail adjustment functionality to XDP

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Message-ID: <Z7dqhiWcXDszRSYF@mini-arch>
Date: Thu, 20 Feb 2025 09:46:46 -0800
From: Stanislav Fomichev <stfomichev@...il.com>
To: Tushar Vyavahare <tushar.vyavahare@...el.com>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, bjorn@...nel.org,
	magnus.karlsson@...el.com, maciej.fijalkowski@...el.com,
	jonathan.lemon@...il.com, davem@...emloft.net, kuba@...nel.org,
	pabeni@...hat.com, ast@...nel.org, daniel@...earbox.net
Subject: Re: [PATCH bpf-next 2/6] selftests/xsk: Add tail adjustment
 functionality to XDP

On 02/20, Tushar Vyavahare wrote:
> Introduce a new function, xsk_xdp_adjust_tail, within the XDP program to
> adjust the tail of packets. This function utilizes bpf_xdp_adjust_tail to
> modify the packet size dynamically based on the 'count' variable.
> 
> If the adjustment fails, the packet is dropped using XDP_DROP to ensure
> processing of only correctly modified packets.
> 
> Signed-off-by: Tushar Vyavahare <tushar.vyavahare@...el.com>

Any reason not to combine patches 2..5 into a single one? I looked
through each one briefly and it's a bit hard to follow when trying
to put everything together..