# Re: \[PATCH RFC v3 0/5\] Support fraglist GRO/GSO

- From: David Miller \<davem@davemloft.net\>
- Date: 2019-09-19 11:18:25 
- List: netdev
- Page: https://ratatoskr.run/netdev/2019/09/11147953
- Thread: https://ratatoskr.run/netdev/2019/09/11147879/t.md

```text
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 19 Sep 2019 13:01:25 +0200

> If the packet data of all the fraglist GRO skbs are backed by a
> page fragment then we could just do the same by iterating with
> skb_walk_frags(). I'm not a driver expert and might be misstaken,
> but it looks like that could be done with existing hardware that
> supports segmentation offload.

Having to add frag list as well as page frag iterating in a driver is
quite a bit of logic, and added complexity.

If the frag list SKBs are indeed backed by a page, you could just as
easily coalesce everything into the page frag array of the first SKB.
```