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From: "Yacin Belmihoub-Martel" <yacin.belmihoub-martel@silabs.com>
To: "Damien Riégel" <damien.riegel@silabs.com>, greybus-dev@lists.linaro.org
Cc: <linux-kernel@vger.kernel.org>, "Johan Hovold" <johan@kernel.org>,
	"Alex Elder" <elder@kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Silicon Labs Kernel Team" <linux-devel@silabs.com>
Subject: Re: [PATCH 08/14] greybus: cpc: add and validate sequence numbers
Date: Fri, 12 Dec 2025 13:34:43 -0500	[thread overview]
Message-ID: <DEWGDIH9C8LO.5T8EHIIMO6XL@silabs.com> (raw)
In-Reply-To: <20251212161308.25678-9-damien.riegel@silabs.com>

On Fri Dec 12, 2025 at 11:13 AM EST, Damien Riégel wrote:
> +void cpc_protocol_on_data(struct cpc_cport *cport, struct sk_buff *skb)
> +{
> +	[...]
> +	expected_seq = seq == cport->tcb.ack;
> +	if (expected_seq)
> +		cport->tcb.ack++;
> +	else
> +		dev_warn(cpc_hd_dev(cport->cpc_hd), "unexpected seq: %u, expected seq: %u\n", seq,
> +			 cport->tcb.ack);
> +	[...]
> +}

This warning can occur somewhat often due to retransmissions. Perhaps we
should change it to an `dev_info`.

Thanks,
-- 
Yacin Belmihoub-Martel
Silicon Laboratories


  reply	other threads:[~2025-12-12 18:34 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-12 16:12 [PATCH 00/14] greybus: introduce CPC as transport layer Damien Riégel
2025-12-12 16:12 ` [PATCH 01/14] greybus: cpc: add minimal CPC Host Device infrastructure Damien Riégel
2025-12-12 16:12 ` [PATCH 02/14] greybus: cpc: introduce CPC cport structure Damien Riégel
2025-12-12 16:12 ` [PATCH 03/14] greybus: cpc: use socket buffers instead of gb_message in TX path Damien Riégel
2025-12-12 16:12 ` [PATCH 04/14] greybus: cpc: pack cport ID in Greybus header Damien Riégel
2025-12-12 16:59   ` Yacin Belmihoub-Martel
2025-12-12 16:12 ` [PATCH 05/14] greybus: cpc: switch RX path to socket buffers Damien Riégel
2025-12-12 16:13 ` [PATCH 06/14] greybus: cpc: introduce CPC header structure Damien Riégel
2025-12-12 17:07   ` Yacin Belmihoub-Martel
2025-12-12 16:13 ` [PATCH 07/14] greybus: cpc: account for CPC header size in RX and TX path Damien Riégel
2025-12-12 16:13 ` [PATCH 08/14] greybus: cpc: add and validate sequence numbers Damien Riégel
2025-12-12 18:34   ` Yacin Belmihoub-Martel [this message]
2025-12-12 16:13 ` [PATCH 09/14] greybus: cpc: acknowledge all incoming messages Damien Riégel
2025-12-13 14:44   ` kernel test robot
2025-12-13 23:45   ` kernel test robot
2025-12-12 16:13 ` [PATCH 10/14] greybus: cpc: use holding queue instead of sending out immediately Damien Riégel
2025-12-12 16:13 ` [PATCH 11/14] greybus: cpc: honour remote's RX window Damien Riégel
2025-12-12 19:03   ` Yacin Belmihoub-Martel
2025-12-13  7:43   ` kernel test robot
2025-12-12 16:13 ` [PATCH 12/14] greybus: cpc: let host device drivers dequeue TX frames Damien Riégel
2025-12-12 16:13 ` [PATCH 13/14] greybus: cpc: add private data pointer in CPC Host Device Damien Riégel
2025-12-12 16:13 ` [PATCH 14/14] greybus: cpc: add CPC SDIO host driver Damien Riégel
2025-12-12 22:01   ` Yacin Belmihoub-Martel
2025-12-23  2:37     ` Damien Riégel
2025-12-13  9:02   ` kernel test robot
2025-12-13 19:40   ` kernel test robot

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