sorry about this ;)
I can however inform anyone who is interested that
1) PacketGetNetType() works just fine on WinXP using my Orinoco wireless PC Silver card
2) The link speed DOES change, so there is no need to re-init the pcap adapter, by simply calling
PacketGetNetType() again will get you a correct value.
3) I'm using WinCap 3.0 (latest available from the winpcap homepage).
Loris Degioanni wrote:
Hi,
I'm having problem with the PacketGetNetType() function of Packet.dll. I realize this isn't part of the WinPCap libs, but at least WinPCap depends on them.
I call PacketGetNetType() and the LinkSpeed is ALWAYS
100000000 (100 mbps), which isn't true. I've tried these on
several machines, 1 with 100 mbps, 1 with 10 mbps card and
1 with a WLAN card (11 mbps). They all report 100 mbps.
Which OS/WinPcap version are you using?
Am I doing something wrong or is this a known bug in the packet routine?
Also, I would like to know if this routine is cached anyway? I want
to use it to graph the linkspeed of my WLAN card where the speed
varies, so if I call PacketGetNetType(), will I have to "re-open" the
pcap object before each call? I was thinking maybe the linkspeed was
simply put into a private variable at init and then simply returned from
that when you call PacketGetNetType()
PacketGetNetType retrieves that value from the NIC driver by means of an OID call mediated by the packet driver. I think that you shouldn't need to reopen the handle, but I never tried and this could depend on the particular NIC.
Loris
Any help is appreciated, thanks in advance!
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