svn commit: r257535 - head/sys/netgraph

Mark R V Murray mark at grondar.org
Sat Nov 2 09:44:47 UTC 2013


On 2 Nov 2013, at 09:32, Mark R V Murray <mark at grondar.org> wrote:
>> Mark - did you initially mean the address of the mbuf m_data pointer,
>> or the data payload itself?
> 
> As Bruce says - the address of payload data itself. We don’t have 12-byte pointers in FreeBSD. :-)

Cancel that.

The address passed must be the address of the m_data field in the mbuf structure. The harvested data is 12 bytes from that address forward, so not the data pointed to by that m_data pointer but the pointer value itself and some following junk too.

M
-- 
Mark R V Murray

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