svn commit: r311225 - head/sys/netinet

[George Neville-Neil]

On 7 Jan 2017, at 14:23, George Neville-Neil wrote:

> On 4 Jan 2017, at 13:26, Mark Johnston wrote:
>
>> On Wed, Jan 04, 2017 at 02:19:13AM +0000, George V. Neville-Neil 
>> wrote:
>>> Author: gnn
>>> Date: Wed Jan  4 02:19:13 2017
>>> New Revision: 311225
>>> URL: https://svnweb.freebsd.org/changeset/base/311225
>>>
>>> Log:
>>>   Fix DTrace TCP tracepoints to not use mtod() as it is both 
>>> unnecessary and
>>>   dangerous.  Those wanting data from an mbuf should use DTrace 
>>> itself to get
>>>   the data.
>>
>> I think you also need to update the types in in_kdtrace.c, and add a
>> translator for struct mbuf * to ipinfo_t.
>
> Fair points.
>

Actually, following up to myself, this does not need to be done just 
yet.  The pkt_info stuff is currently always NULL.  I'm working on a 
copyoutmbuf() subroutine that will make all of this much cleaner.

Best,
George