[please don't top post]
On Mon, Jun 21, 2010 at 11:57:39PM +0800, Lrj wrote:
> So after reading the link field of the descriptor, the hardware will update
> the RXDP register automaticly. And then the hardware set the "done" field of
> the current descriptor, am I right?
Yes, except that there's
So after reading the link field of the descriptor, the hardware will update
the RXDP register automaticly. And then the hardware set the "done" field of
the current descriptor, am I right?
Thank you.
On Mon, Jun 21, 2010 at 8:24 PM, Bob Copeland wrote:
> On Mon, Jun 21, 2010 at 5:04 AM, Lrj wr
On Mon, Jun 21, 2010 at 5:04 AM, Lrj wrote:
> If not, how the hardware knows the address of next rx descriptor while the
> RXDP register's value remains the first rx descriptor's address?
The hardware reads the link field of the current descriptor.
--
Bob Copeland %% www.bobcopeland.com
___
Hi,
I got a question while reading the aht5k_tasklet_rx():
> /* bail if HW is still using self-linked descriptor */
>
> if (ath5k_hw_get_rxdp(sc->ah) == bf->daddr)
> break;
>
> I searched all the ath5k codes, and found that the RXDP register was
set only by th