Re: [RFC 1/2] Bluetooth: Header changes for ERTM state machine replacement

[Ulisses Furquim <ulisses@xxxxxxxxxxxxxx>]

Hi Mat,

On Fri, Feb 24, 2012 at 9:32 PM, Mat Martineau <mathewm@xxxxxxxxxxxxxx> wrote:
> Ulisses -
>
>
> On 2/24/2012 9:39 AM, Ulisses Furquim wrote:
>>
>> Hi Mat,
>>
>> On Thu, Feb 23, 2012 at 6:37 PM, Mat Martineau<mathewm@xxxxxxxxxxxxxx>
>>  wrote:
>>>
>>> This change affects data structures storing ERTM state and control
>>> fields, and adds new definitions for states and events.  An
>>> l2cap_seq_list structure is added for tracking ERTM sequence numbers
>>> without repeated memory allocations.  Control fields are carried in
>>> the bt_skb_cb struct rather than constantly doing shift and mask
>>> operations.
>>>
>>> Signed-off-by: Mat Martineau<mathewm@xxxxxxxxxxxxxx>
>>> ---
>>>  include/net/bluetooth/bluetooth.h |   14 ++-
>>>  include/net/bluetooth/l2cap.h     |  260
>>> +++++++++----------------------------
>>>  2 files changed, 73 insertions(+), 201 deletions(-)
>>
>>
>> <snip>
>>
>>> diff --git a/include/net/bluetooth/l2cap.h
>>> b/include/net/bluetooth/l2cap.h
>>> index d6d8ec8..a499b60 100644
>>> --- a/include/net/bluetooth/l2cap.h
>>> +++ b/include/net/bluetooth/l2cap.h
>>
>>
>> <snip>
>>
>>> @@ -645,200 +664,43 @@ static inline bool l2cap_clear_timer(struct
>>> l2cap_chan *chan,
>>>
>>>  #define __set_chan_timer(c, t) l2cap_set_timer(c,&c->chan_timer, (t))
>>>  #define __clear_chan_timer(c) l2cap_clear_timer(c,&c->chan_timer)
>>
>>
>> Are these two still needed? I saw you moved others to l2cap_core.c
>> which is fine but what about these?
>
>
> Since these macros are unrelated to ERTM, that would be a separate patch.

You're right, sorry.

> I think all the macros traditionally land in the header files because there
> are no #defines in the l2cap*.c files.  However, I see that many other .c
> files in net/bluetooth do have #defines.
>
> It's not that I "moved" the other macros, as much as my ported code had
> static functions instead.  I tried to minimize changes to the ported code
> rather than minimize changes to the upstream code.

Yes, I saw the static functions there and I like it better there than
in l2cap.h, really.

Regards,

-- 
Ulisses Furquim
ProFUSION embedded systems
http://profusion.mobi
Mobile: +55 19 9250 0942
Skype: ulissesffs
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