On 0, Marcel Holtmann <[email protected]> wrote:
> > we should possibly ping from 0 not 200 like normal ping :)
>
> I don't know why it is from 200, so I applied your patch. Thanks.
snip l2cap.c
...
/* Get next available identificator.
* 1 - 199 are used by kernel.
* 200 - 254 are used by utilities like l2ping,
* etc
*/
...
So probably a ident under 200 could interfere with kernel packets, but
as far as i can see kernel don't enforces using higher ids. So it seems
there is some more digging in the code necessary, to see whether there
is a problem in
Reading the specs it seems that id doesn't matter at all, because it is
intended for an connection oriented ping. And doing some field research,
i found that this modified l2ping works with the stack of my T610 but it
can't ping other bluez stacks, propabably because :
" ... The null identifier (0x0000) is defined as an illegal
identifier and must never be used as a destination end-point. ..."
BT 1.1 spec - page 261
so ident should be at least >= 1.
just my humble opinion
nicholas
p.s. sorry marcel for this dumbass mail copy, just too stupid for my MUA
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Hi Nicholas,
> > I don't know why it is from 200, so I applied your patch. Thanks.
>
> snip l2cap.c
> ...
> /* Get next available identificator.
> * 1 - 199 are used by kernel.
> * 200 - 254 are used by utilities like l2ping,
> * etc
> */
> ...
thanks for this information. I reverted the patch.
Regards
Marcel
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