Thanks for your quick reply. It's really helpful. You know, I am trying to compare the timestamp of each packet and measure the sum of transmit delay and queuing delay. with so small round up time, it looks like I can not use this one from the ath5k_tx_status.
Any better idea? Thanks. Ethan On Tue, Jan 26, 2010 at 2:25 PM, Derek Smithies <de...@indranet.co.nz> wrote: > Hi, > ts_tstamp is the lowest 16 bits of the 64bit timestamp. > > The time is in microseconds, so ts_tstamp wraps round every 32.768ms. > > The 64bit timestamp wraps around every 580 000 years > > ts_tstamp is from the 64bit timestamp from the radio card, and is totally > different to jiffies from the kernel. > > Derek. > > > On Tue, 26 Jan 2010, Xingang Zhang wrote: > >> Hello, >> >> I am wondering how to interpret the meaning of ts_tstamp? I can tell >> it's u16 from hardware, but have no idea how to compare that with the >> value of jiffies or some other time from kernel. >> >> Thanks for any input. >> >> Best, >> >> Ethan >> >> > > -- > Derek Smithies Ph.D. > IndraNet Technologies Ltd. > ph +64 3 365 6485 > Web: http://www.indranet-technologies.com/ > > "The only thing IE should be used for is to download Fire Fox" > > "My favorite language is call STAR. It's extremely concise. It has > exactly one verb '*', which does exactly what I want at the moment." > --Larry Wall > -- Xingang Zhang 387 Wymount Terrace Provo, UT 84604 _______________________________________________ ath5k-devel mailing list ath5k-devel@lists.ath5k.org https://lists.ath5k.org/mailman/listinfo/ath5k-devel
