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| author | yongari <yongari@FreeBSD.org> | 2010-10-04 20:49:38 +0000 |
|---|---|---|
| committer | yongari <yongari@FreeBSD.org> | 2010-10-04 20:49:38 +0000 |
| commit | e6d97121eaa093c2b3f9ab09c5f2a56ae39b806f (patch) | |
| tree | 9fc1ec924d04684c530ea835e0f0f2d4d7a999c9 /sys/dev/usb/controller/usb_controller.c | |
| parent | 3bbacb240e75ca4266dba7678b9250f24179b689 (diff) | |
| download | FreeBSD-src-e6d97121eaa093c2b3f9ab09c5f2a56ae39b806f.zip FreeBSD-src-e6d97121eaa093c2b3f9ab09c5f2a56ae39b806f.tar.gz | |
Move updating TX packet counter to the inside of send loop. axe(4)
controllers combine multiple TX requests into single one if there
is room in TX buffer of controller. Updating TX packet counter at
the end of TX completion resulted in incorrect TX packet counter as
axe(4) thought it sent 1 packet. There is no easy way to know how
many combined TX were completed in the callback.
Because this change updates TX packet counter before actual
transmission, it may not be ideal one. But I believe it's better
than showing fake 8kpps under high TX load. With this change, TX
shows 221kpps on Linksus USB200M.
Diffstat (limited to 'sys/dev/usb/controller/usb_controller.c')
0 files changed, 0 insertions, 0 deletions
