Re: [patch] getsockopt.2, packet.7: improve sockopt documentation for packet sockets

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As far as I'm concerned, it is.
Thanks, Neil.

Cheers,
Carsten

"Michael Kerrisk (man-pages)" <mtk.manpages@xxxxxxxxx> schrieb:

>Hi Carsten,
>
>On Tue, Apr 29, 2014 at 12:51 PM, Neil Horman <nhorman@xxxxxxxxxxxxx> wrote:
>> On Mon, Apr 28, 2014 at 08:12:30PM +0200, Carsten Andrich wrote:
>>> Am Montag, den 28.04.2014, 13:28 -0400 schrieb Neil Horman:
>>> > Rather than 'lingernig' perhaps more exact language to indicate that positive
>>> > action is required from the application.  Perhaps:
>>> >
>>> > Packets in the WRONG_FORMAT state block the kernel from sending it and subsequent
>>> > packets on the ring.  Packet in the WRONG_FORMAT state must be moved to the
>>> > AVAILABLE or SEND_REQUEST state (after correcting format errors), so that the
>>> > next application call to send() properly transmits the frame.
>>>
>>> Thanks for the suggestion! I incorporated it into the following updated
>>> PACKET_LOSS description:
>>> When a malformed packet is encountered on a transmit ring, the default
>>> is to reset its tp_status to TP_STATUS_WRONG_FORMAT and abort the
>>> transmission immediately.  The malformed  packet  blocks  itself  and
>>> subsequent enqueued  packets from being sent.  The format error must be
>>> fixed, the associated tp_status reset to TP_STATUS_SEND_REQUEST and the
>>> transmission process restarted via send(2).  However, if PACKET_LOSS is
>>> set, any malformed packet will be skipped, its tp_status reset to
>>> TP_STATUS_AVAILABLE, and the transmission process continued.
>>>
>>> IMHO this should go into the PACKET_TX_RING description, but I'd like to
>>> defer that until I have a little more spare time on my hands, so I can
>>> tackle the entire PACKET_MMAP-related part of the man-page in a single
>>> effort.
>>>
>>> Updated patch follows.
>>>
>>> Cheers,
>>> Carsten
>>>
>>
>> Acked-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
>
>So, with Neil's Ack, is this patch ready to apply now?
>
>Cheers,
>
>Michael
>
>
>-- 
>Michael Kerrisk
>Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
>Linux/UNIX System Programming Training: http://man7.org/training/
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