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From: Marcel Holtmann <marcel@holtmann.org>
To: Archie Pusaka <apusaka@google.com>
Cc: linux-bluetooth <linux-bluetooth@vger.kernel.org>,
	CrosBT Upstreaming <chromeos-bluetooth-upstreaming@chromium.org>,
	Archie Pusaka <apusaka@chromium.org>,
	Alain Michaud <alainm@chromium.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	open list <linux-kernel@vger.kernel.org>,
	netdev@vger.kernel.org
Subject: Re: [PATCH v1] Bluetooth: send proper config param to unknown config request
Date: Fri, 25 Sep 2020 18:11:27 +0200	[thread overview]
Message-ID: <83EE8429-0454-4348-9FDA-AC275C3D5B8E@holtmann.org> (raw)
In-Reply-To: <20200924234422.v1.1.Id1d24a896cd1d20f9ce7a4eb74523fe7896af89d@changeid>

Hi Archie,

> When receiving an L2CAP_CONFIGURATION_REQ with an unknown config
> type, currently we will reply with L2CAP_CONFIGURATION_RSP with
> a list of unknown types as the config param. However, this is not
> a correct format of config param.
> 
> As described in the bluetooth spec v5.2, Vol 3, Part A, Sec 5,
> the config param should consists of type, length, and optionally
> data.
> 
> This patch copies the length and data from the received
> L2CAP_CONFIGURATION_REQ and also appends them to the config param
> of the corresponding L2CAP_CONFIGURATION_RSP to match the format
> of the config param according to the spec.

any chance you could add btmon traces to the commit message to show the wrong behavior?

Regards

Marcel


      reply	other threads:[~2020-09-25 16:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 15:45 [PATCH v1] Bluetooth: send proper config param to unknown config request Archie Pusaka
2020-09-25 16:11 ` Marcel Holtmann [this message]

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