On Sat, Aug 22, 2015 at 4:57 PM, Guy Harris <[email protected]> wrote: > > On Aug 22, 2015, at 2:30 PM, Guy Harris <[email protected]> wrote: > >> So software that reads radiotap captures and that cares about 11ad >> information needs to have a workaround wherein frames lacking a DMG field >> (which means "all frames", currently, as there isn't yet a DMG field) and >> having a channel frequency in the 11ad range have an 11ad PHY and, if they >> have MCS or VHT fields, ignore all items in those fields that don't apply to >> 11ad and *perhaps* interpret the MCS value in the MCS field as if it were an >> 11ad MCS value rather than an 11n MCS value. > > Note that Channel's presence bit index is 3, XChannel's is 18, MCS's is 19, > and VHT's is 21, so by the time you see an MCS or VHT field you would already > have the channel frequency (if it's present) and thus, if you see an MCS or > VHT field, you would already know whether you have an 11ad frame and can > process it appropriately.
I agree. What I would like to do is take this a step at a time. I will update the change to include the prototype DMG/802.11ad structure addition to the phdr structure. Once that is in for review I can come up with a patch to assemble that information correctly and we can review it on the mailing list. -- Regards, Richard Sharpe (何以解憂？唯有杜康。--曹操) ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <[email protected]> Archives: https://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:[email protected]?subject=unsubscribe
