On Mon, May 15, 2006 at 11:57:12PM -0700, David S. Miller ([EMAIL PROTECTED])
wrote:
> From: Evgeniy Polyakov <[EMAIL PROTECTED]>
> Date: Tue, 16 May 2006 10:19:09 +0400
>
> > +static int netchannel_convert_skb_ipv4(struct sk_buff *skb, struct
> > unetchannel *unc)
> > +{
> ...
> > + switch (unc->proto) {
> > + case IPPROTO_TCP:
> ...
> > + case IPPROTO_UDP:
> ...
>
> Why do people write code like this?
>
> Port location is protocol agnostic, there are always 2
> 16-bit ports at beginning of header without exception.
>
> Without this, ICMP would be useless :-)
And what if we use ESP which would place it's hashed sequence number as
port?
--
Evgeniy Polyakov
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