Hi,
> I am trying to write an ethernet level driver,
> something that I can capture all the frames/packets
> at the driver level and/or below. I simply am going
> to filter for a particular frame type, if my frame,
> do some magic and put back in the stack (network),
> if not my frame type, drop.
why do u want to capture packets at driver/kernel
level ?
You can use the raw socket interface at the
application layer and
capture packets in user space.
u can use like socket(.... , SOCK_RAW, ...).
raw sockets are processed before it is delivered to
any other sockets, so there is nonting like remove
from stack, and put back.
Yes, u will add delay in delivery of these frames to
the final socket because u are going to access them
from user space.
Regards,
Parav Pandit
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