Herbert Xu wrote:
On Mon, Jun 08, 2009 at 10:04:47AM -0700, Sridhar Samudrala wrote:
OK. Can we use skb_segment() to do IP fragmentation of UDP packets?
It should be able to.
Unfortunately, this doesn't work for UDP without any changes.
skb_segment() currently adds transport header to
each segmented skb. But when we are using IP fragmentation, only the
first fragment should include the UDP
header.
We either need to fix skb_segment() to handle IP fragmentation or write
a new skb_fragment(). I will look into
this when i get some time.
Thanks
Sridhar
The function itself looks protocol independent and if it is simply
splitting large skb into a list of mtu sized skb's, can we fixup the
ip header differently for UDP packets(id and frag_off) in inet_gso_segment
and ipv6_gso_segment?
Yes that's the idea.
Cheers,
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