On Mon, Oct 22, 2018 at 3:04 AM Mika Westerberg
wrote:
>
> Hi,
>
> On Sat, Oct 20, 2018 at 12:55:51PM -0500, Wenwen Wang wrote:
> > In tb_ctl_rx_callback(), the checksum of the received control packet is
> > calculated on 'pkg->buffer' through tb_crc() and saved to 'crc32', Then,
> > 'crc32' is co
On Sat, Oct 20, 2018 at 03:15:56PM -0500, Wenwen Wang wrote:
> In tb_ring_poll(), the flag of the frame, i.e.,
> 'ring->descriptors[ring->tail].flags', is checked to see whether the frame
> is completed. If yes, the frame including the flag will be read from the
> ring and returned to the caller. T
On Sat, Oct 20, 2018 at 02:47:49PM -0500, Wenwen Wang wrote:
> In ring_work(), the first while loop is used to collect all completed
> frames from the ring buffer. In each iteration of this loop, the flag of
> the frame, i.e., 'ring->descriptors[ring->tail].flags' is firstly check to
> see whether
Hi,
On Sat, Oct 20, 2018 at 01:38:18PM -0500, Wenwen Wang wrote:
> In icm_copy(), the packet id 'hdr->packet_id' is firstly compared against
> 'req->npackets'. If it is less than 'req->npackets', the received packet.
> i.e., 'pkg->buffer', is then copied to 'req->response + offset' through
> memcp
Hi,
On Sat, Oct 20, 2018 at 12:55:51PM -0500, Wenwen Wang wrote:
> In tb_ctl_rx_callback(), the checksum of the received control packet is
> calculated on 'pkg->buffer' through tb_crc() and saved to 'crc32', Then,
> 'crc32' is compared with the received checksum to confirm the integrity of
> the r
On Fri, Oct 19, 2018 at 04:25:01PM -0500, Wenwen Wang wrote:
> Hi Mika,
Hi,
> Thanks for your response. The current version of the code assumes that
> the Thunderbolt controller behaves as expected, e.g., the host
> controller should not touch the data after it is marked ready.
> However, it is n
On Sat, Oct 20, 2018 at 12:25 AM Wenwen Wang wrote:
>
> On Thu, Oct 18, 2018 at 4:13 AM Mika Westerberg
> wrote:
> >
> > Hi Wenwen,
> >
> > On Wed, Oct 17, 2018 at 09:00:29AM -0500, Wenwen Wang wrote:
> > > In tb_cfg_copy(), the header of the received control package, which is in
> > > the buffer
On Thu, Oct 18, 2018 at 4:13 AM Mika Westerberg
wrote:
>
> Hi Wenwen,
>
> On Wed, Oct 17, 2018 at 09:00:29AM -0500, Wenwen Wang wrote:
> > In tb_cfg_copy(), the header of the received control package, which is in
> > the buffer 'pkg->buffer', is firstly parsed through parse_header() to make
> > su
Hi Wenwen,
On Wed, Oct 17, 2018 at 09:00:29AM -0500, Wenwen Wang wrote:
> In tb_cfg_copy(), the header of the received control package, which is in
> the buffer 'pkg->buffer', is firstly parsed through parse_header() to make
> sure the header is in the expected format. In parse_header(), the heade
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