From: "Starke, Daniel" <daniel.starke@siemens.com>
To: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Cc: linux-serial <linux-serial@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 3/9] tty: n_gsm: add missing description to gsm_config
Date: Thu, 6 Apr 2023 05:26:01 +0000 [thread overview]
Message-ID: <AS4PR10MB5895ADDAF211A669CCF7F8C5E0919@AS4PR10MB5895.EURPRD10.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <9d7289fe-7a3-2cfe-b023-a892528044e4@linux.intel.com>
> > + unsigned int mru; /* Maximum incoming frame payload size */
> > + unsigned int mtu; /* Maximum outgoing frame payload size */
>
> I'm used to "payload" referring in networking context to "useful" part of
> the frame but MTU/MRU probably includes headers too? Maybe just say
> "frame size"?
Just frame size is incorrect, as the basic/advanced option mode header and
byte stuffing do not count against this number. See 'gsm0_receive' and
'gsm1_receive' and also ch. 5.7.2 of the standard. The outgoing limit is
applied in 'gsm_dlci_data_output' and 'gsm_dlci_data_output_framed'.
Link: https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1516
Best regards,
Daniel Starke
next prev parent reply other threads:[~2023-04-06 5:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-05 5:47 [PATCH 1/9] tty: n_gsm: fix redundant assignment of gsm->encoding D. Starke
2023-04-05 5:47 ` [PATCH 2/9] tty: n_gsm: add restart parameter to DLC specific ioctl config D. Starke
2023-04-05 8:15 ` Ilpo Järvinen
2023-04-06 5:17 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 3/9] tty: n_gsm: add missing description to gsm_config D. Starke
2023-04-05 8:18 ` Ilpo Järvinen
2023-04-06 5:26 ` Starke, Daniel [this message]
2023-04-05 5:47 ` [PATCH 4/9] tty: n_gsm: fix unneeded initialization of ret in gsm_dlci_config D. Starke
2023-04-05 8:23 ` Ilpo Järvinen
2023-04-06 5:31 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 5/9] tty: n_gsm: add open_error counter to gsm_mux D. Starke
2023-04-05 8:41 ` Ilpo Järvinen
2023-04-06 5:42 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 6/9] tty: n_gsm: increase malformed counter for malformed control frames D. Starke
2023-04-05 8:44 ` Ilpo Järvinen
2023-04-06 5:45 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 7/9] tty: n_gsm: increase gsm_mux unsupported counted where appropriate D. Starke
2023-04-05 9:00 ` Ilpo Järvinen
2023-04-06 5:57 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 8/9] tty: n_gsm: add DLCI specific rx/tx statistics D. Starke
2023-04-05 9:13 ` Ilpo Järvinen
2023-04-06 6:02 ` Starke, Daniel
2023-04-05 5:47 ` [PATCH 9/9] tty: n_gsm: cleanup gsm_control_command and gsm_control_reply D. Starke
2023-04-05 9:15 ` Ilpo Järvinen
2023-04-06 6:04 ` Starke, Daniel
2023-04-05 8:16 ` [PATCH 1/9] tty: n_gsm: fix redundant assignment of gsm->encoding Ilpo Järvinen
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