Re: [tcpdump-workers] Hardware Timestamping Problem

2016-06-09 Thread Guenter Ebermann
> Am 10.06.2016 um 01:35 schrieb Guy Harris : > > On Jun 9, 2016, at 4:09 PM, Guenter Ebermann > wrote: > >> >>> Am 10.06.2016 um 00:13 schrieb Guy Harris : >>> >>> But that doesn't mean that the packets time stamped by the hardware whe

Re: [tcpdump-workers] Hardware Timestamping Problem

2016-06-09 Thread Guenter Ebermann
> Am 10.06.2016 um 00:13 schrieb Guy Harris : > > But that doesn't mean that the packets time stamped by the hardware when > transmitted will be delivered to the PF_PACKET sockets used by libpcap *with > the hardware time stamp as the time stamp*. > > In order make that happen, if hardware tra

Re: [tcpdump-workers] Hardware Timestamping Problem

2016-06-09 Thread Guenter Ebermann
> Am 09.06.2016 um 15:47 schrieb Michael Richardson : > > Guenter Ebermann wrote: >> Hardware timestamping of sending/receiving buffer descriptors is done >> by NIC. > > Receiving I understand. > > Are you sure that the hardware is going to timestamp sent pa

Re: [tcpdump-workers] Hardware Timestamping Problem

2016-06-08 Thread Guenter Ebermann
> Am 08.06.2016 um 23:10 schrieb Michael Richardson : > > Christian Rupp wrote: >> The Timestamp when tcpdump grabs the package off of the receiver is 36 >> seconds( +/- innaccuracy, here roughly +/- 5-10 µs) after the timestamp when >> tcpdump grabs the package of the sender. resulting in an a

Re: [tcpdump-workers] Link type FlexRay

2016-01-21 Thread Guenter Ebermann
2016-01-20 20:50 GMT+01:00 Guy Harris : > On Jan 20, 2016, at 7:38 AM, Guenter Ebermann > wrote: > >> I have a first draft of the packet-specification available: >> https://bugs.wireshark.org/bugzilla/attachment.cgi?id=14264 > > So it looks as if the extra low-level f

Re: [tcpdump-workers] Link type FlexRay

2016-01-20 Thread Guenter Ebermann
Hi, I have a first draft of the packet-specification available: https://bugs.wireshark.org/bugzilla/attachment.cgi?id=14264 The specification is available as an attachment to the following wireshark bugzilla entry: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12033 This first draft does n

Re: [tcpdump-workers] Link type FlexRay

2016-01-19 Thread Guenter Ebermann
> Am 20.01.2016 um 03:00 schrieb Guy Harris : > > On Jan 19, 2016, at 5:50 PM, Guy Harris wrote: > >> OK, so the new format is that the frame begins with a measurement header, >> which is followed by the bitstream from the bus? Yes. It only contains additional information. The idea is that th

Re: [tcpdump-workers] Link type FlexRay

2016-01-19 Thread Guenter Ebermann
2016-01-15 21:35 GMT+01:00 Guy Harris : > > On Jan 15, 2016, at 10:44 AM, Guenter Ebermann > wrote: > > I don't know whether Hannes still works at X2E. You might want to try > sending an e-mail to him asking whether a format for DLT_FLEXRAY was ever > defined - and

[tcpdump-workers] Link type FlexRay

2016-01-15 Thread Guenter Ebermann
Hi, For which type of frame was the LINKTYPE_FLEXRAY 210 allocated? The file https://github.com/the-tcpdump-group/libpcap/blob/master/pcap-common.c simply state that: /* * FlexRay automotive bus - http://www.flexray.com/ - as requested * by Hannes Kaelber . */ #define LINKTYPE_FLEXRAY 210 Als