Hello, I am still reviewing your code. I apologize for the delay. I will have something for you by the end of the week.
Thanks, Carolyn >-----Original Message----- >From: 李昂 [mailto:[email protected]] >Sent: Tuesday, September 28, 2010 11:20 PM >To: Wyborny, Carolyn; [email protected] >Cc: 王龙; 和志华 >Subject: re: [E1000-devel] question about TX hardware >timestamping, it doesn't work > >Hey Carolyn: > > thanks for your respondence, the attachment is the >package of e1000e >driver(I have modified netdev.c), searching "li.ang" in the >netdev.c file, >you will find modification, it including initialization code & >registers I'm >writing to enable the hwtstamp feature. > > > >----- Original Message ----- >From: Wyborny, Carolyn [mailto:[email protected]] >Sent: 2010年9月28日 1:35 >To:??; [email protected] >Cc: ??; ??? >Subject: RE: [E1000-devel] question about TX hardware timestamping, it >doesn't work > >Hello, > >I apologize for the delay in responding. We do not officially >support the >time stamp feature on the 82574 device but we do know that people have >gotten it working. If the fields in the descriptor are zero, >its likely its >not being intialized correctly. I am not an expert on this >feature, but >I'll need some more information to try and assist. > >If you open a bug on Source Forge on this issue, we can store the data >gathered there. > >Can you send me your initialization code, or at least the >registers you are >writing to enable the feature and the values you are writing >to them. Also, >the exact fields you are writing in the tx descriptor and the values. > >Thanks, > >Carolyn >Carolyn Wyborny >Linux Development >LAN Access Division >Intel Corporation > > > >>-----Original Message----- >>From: ?? [mailto:[email protected]] >>Sent: Sunday, September 19, 2010 2:04 AM >>To: [email protected] >>Cc: ??; ??? >>Subject: [E1000-devel] question about TX hardware >>timestamping, it doesn't work >> >>Dear All: >> >> >> >> On 82574L Chipset, e1000e work well when I need RX >>hwtimestamp, but >>it doesn't work when I need TX hwtimestamp >> >> >> >> Legacy Transmit Descriptor Format is used, and I set >>the TS bit of >>ExtCMD to indicates to the 82574 to put a time stamp on the packet >>designated by the descriptor, of course, I also set the bit4 >>of TSYNCTXCTL >>to enable TX timestamp. >> >> >> >> But, it doesn't work, when I read bit0 of TSYNCTXCTL(TX >>timestamp >>valid bit) in the TX interrupt service routine(packet has been >>transmitted), >>I got zero, and TXSTMPL/H are also filled zero. >> >> >> >> Any advise to solve this problem is welcome >> >> >> >> [email protected] li.ang >> >> >> >> Thanks a lot >> >> > ------------------------------------------------------------------------------ Beautiful is writing same markup. Internet Explorer 9 supports standards for HTML5, CSS3, SVG 1.1, ECMAScript5, and DOM L2 & L3. Spend less time writing and rewriting code and more time creating great experiences on the web. Be a part of the beta today. http://p.sf.net/sfu/beautyoftheweb _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
