On Sun, May 13, 2018 at 9:24 AM, Jason A. Donenfeld wrote:
> On Sat, May 12, 2018 at 4:07 AM, Md. Islam wrote:
>> I'm not an expert on this, but it looks about right.
>
> Really? Even zeroing between headers_start and headers_end? With the
> latest RHEL 7.5 kernel's i40e driver, doing this result
On Sat, May 12, 2018 at 4:07 AM, Md. Islam wrote:
> I'm not an expert on this, but it looks about right.
Really? Even zeroing between headers_start and headers_end? With the
latest RHEL 7.5 kernel's i40e driver, doing this results in a crash in
kfree. It's possible redhat is putting something sil
I'm not an expert on this, but it looks about right. You can take a
look at build_skb() or __build_skb(). It shows the fields that needs
to be set before passing to netif_receive_skb/netif_rx.
On Fri, May 11, 2018 at 6:56 PM, Jason A. Donenfeld wrote:
> Hey Netdev,
>
> A UDP skb comes in via the
Hey Netdev,
A UDP skb comes in via the encap_rcv interface. I do a lot of wild
things to the bytes in the skb -- change where the head starts, modify
a few fragments, decrypt some stuff, trim off some things at the end,
etc. In other words, I'm decapsulating the skb in a pretty intense
way. I bene
