From: Stanislav Fomichev <stfomichev@gmail.com>
To: Jason Xing <kerneljasonxing@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, bjorn@kernel.org, magnus.karlsson@intel.com,
maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com,
sdf@fomichev.me, ast@kernel.org, daniel@iogearbox.net,
hawk@kernel.org, john.fastabend@gmail.com, joe@dama.to,
willemdebruijn.kernel@gmail.com, bpf@vger.kernel.org,
netdev@vger.kernel.org, Jason Xing <kernelxing@tencent.com>
Subject: Re: [PATCH net-next v6 2/2] selftests/bpf: add a new test to check the consumer update case
Date: Thu, 3 Jul 2025 08:45:41 -0700 [thread overview]
Message-ID: <aGalpZSYcTMov4X0@mini-arch> (raw)
In-Reply-To: <20250703141712.33190-3-kerneljasonxing@gmail.com>
On 07/03, Jason Xing wrote:
> From: Jason Xing <kernelxing@tencent.com>
>
> The subtest sends 33 packets at one time on purpose to see if xsk
> exitting __xsk_generic_xmit() updates the global consumer of tx queue
> when reaching the max loop (max_tx_budget, 32 by default). The number 33
> can avoid xskq_cons_peek_desc() updates the consumer when it's about to
> quit sending, to accurately check if the issue that the first patch
> resolves remains. The new case will not check this issue in zero copy
> mode.
>
> Signed-off-by: Jason Xing <kernelxing@tencent.com>
> ---
> v6
> Link: https://lore.kernel.org/all/20250702112815.50746-1-kerneljasonxing@gmail.com/
> 1. filter out and skip TEST_MODE_ZC test.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
next prev parent reply other threads:[~2025-07-03 15:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-03 14:17 [PATCH net-next v6 0/2] net: xsk: update tx queue consumer Jason Xing
2025-07-03 14:17 ` [PATCH net-next v6 1/2] net: xsk: update tx queue consumer immediately after transmission Jason Xing
2025-07-03 14:17 ` [PATCH net-next v6 2/2] selftests/bpf: add a new test to check the consumer update case Jason Xing
2025-07-03 15:10 ` Maciej Fijalkowski
2025-07-03 15:45 ` Stanislav Fomichev [this message]
2025-07-09 1:40 ` [PATCH net-next v6 0/2] net: xsk: update tx queue consumer patchwork-bot+netdevbpf
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