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From: Konstantin Ananyev <konstantin.ananyev@huawei.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
	Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: RE: BPF elf examples
Date: Tue, 21 Oct 2025 11:30:23 +0000	[thread overview]
Message-ID: <bcc95778767444e28a21d2575a41bd9f@huawei.com> (raw)
In-Reply-To: <20251020131631.2a6a0de3@phoenix.lan>


> While looking in more detail at BPF use of VLA, went down a rabbit hole
> because there are no tests and no examples of loading a BPF program using
> the elf_load API's in BPF.
> 
> Tried using AI to generate tests, and as usual it sort of worked but the
> example code generated won't load or work. Is there anywhere to find working
> DPDK examples of using BPF load? 

app/test-pmd/bpf_cmd.c calls rte_bpf_eth_rx_elf_load/ rte_bpf_eth_tx_elf_load,
which in turn calls rte_bpf_elf_load().
Though it is a good point, will think can we add a UT for it too.

  reply	other threads:[~2025-10-21 11:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-20 20:16 BPF elf examples Stephen Hemminger
2025-10-21 11:30 ` Konstantin Ananyev [this message]
2025-10-21 11:42 ` Marat Khalili
2025-10-21 13:38   ` Stephen Hemminger

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