Date: Sun, 29 Nov 2009 16:51:09 -0700 From: Brett Glass <brett@lariat.net> To: pyunyh@gmail.com Cc: freebsd-usb@freebsd.org Subject: Re: usb/140883: [axe] USB gigabit ethernet hangs after short period of traffic Message-ID: <200911300004.RAA15864@lariat.net> In-Reply-To: <20091129213831.GB1128@michelle.cdnetworks.com> References: <200911290250.nAT2o3L7086305@freefall.freebsd.org> <20091129213831.GB1128@michelle.cdnetworks.com>
next in thread | previous in thread | raw e-mail | index | archive | help
At 02:38 PM 11/29/2009, Pyun YongHyeon wrote: >I'm not sure buffer size allowed in driver is 4K. Long time ago I >increased Rx buffer size to 16KB from 2KB for 88178/88772. That >change was essential to get 220Mbps for 88178/88772 on Rx. The >patch was not made into 8.0-RELEASE though. If not, it certainly ought to get into 8.1-RELEASE and 7.3-RELEASE... so long as it doesn't cause the USB stack to freeze up. 16 KB is a much more reasonable buffer size. By the way, I've done some stress testing with the patch I posted, and it seems very solid. It appears that the AX88772A chip can safely be treated like an AX88772. --Brett Glass
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200911300004.RAA15864>