tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: if_wm.c workqueue



Hi,

On 2022/05/26 11:20, Emmanuel Dreyfus wrote:
On Thu, May 26, 2022 at 10:28:03AM +0900, Kengo NAKAHARA wrote:
When hw.wm0.txrx_workqueue is set to 1, receive and transmit processing
of wm0 uses workqueue(9) instead of softint(9), that is, the processing
can be preempted.  As a result, userland process can run even if wm0
receives packets at very high rate.  However, that may causes degradation
of throughput and latency.

Right, the behavior seems desirable, however the thing seems to have
rotten. The interface will not work once enabled.

Hmm, could you send me the result of "dmesg | grep wm0" ?


Thanks,

--
//////////////////////////////////////////////////////////////////////
Internet Initiative Japan Inc.

Device Engineering Section,
Product Division,
Technology Unit

Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>




Home | Main Index | Thread Index | Old Index