Re: pcap_inject() an Ethernet's FCS

[David Crowcroft <david.crowcroft () googlemail com>]

Hello, Guy,

> > Does anyone have an example program in C-language that uses the
> > pcap_inject() funtion of the libpcap library?
>
> I've attached some programs I've written as quick tests.

It looks like you either forgot to attach the files, or majordomo
stripped them off your e-mail. (plese resend them off-list to me, if
necessary).


> > For instance, do I need to calculate the FCS in the Ethernet frames I
> > send?
>
> *Probably* not, at least in most cases.

Is there a portable way of deciding whether I *need* to do it? (I
assume that by default, "you don't need to calculate it", right?

Thanks a lot,
David
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