Greg Huber <[email protected]> writes:
>
> The upper layers obviously work so I'm sure it's something in my driver.
netstat -s output might give some clue. Most packet drop
points have a counter.
>
> I have turned on as much debugging in the kernel as I could find, but
> I get no messages. Could someone please let me know if
> there is additional debugging I should consider or if there is a
> dynamic way to turn on debugging in L2 and/or L3.
The usual is to just add printks to the kernel source code until you
find where the packet is dropped.
Or perhaps check in __kfree_skb if the skb is coming from your
driver and force a backtrace with show_stack().
-Andi
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