But when dpif-netdev is used does it store flows in both of the tables? I
mean why are we maintaining two tables?
struct classifier {
int n_rules; /* Total number of rules. */
struct hmap tables; */* Contains "struct cls_table"s. */*
};
struct dp_netdev {
..
..
struct hmap flow_table; * /* Flow table. */*
..
}
When a new flow (packet) is received does it look_up in classifier's table
or netdev's flow_table for match?
Thanks for your help
Bibrak
On Thu, Sep 8, 2011 at 7:04 PM, Ben Pfaff <b...@nicira.com> wrote:
> On Thu, Sep 08, 2011 at 06:10:45PM +0500, Bibrak Qamar wrote:
> > Ok now I have got some idea. In the classifier there is a data structure
> > which stores the rules, i.e
> >
> > struct classifier {
> > int n_rules; /* Total number of rules. */
> > struct hmap tables; /* Contains "struct cls_table"s. */
> > };
> >
> > And in the netdev there is also a data structure which stores the flows,
> i.e
> >
> >
> >
> > dp_netdev_lookup_flow
>
> That's the userspace implementation of the datapath. If you're using
> the Linux kernel module, nothing in dpif-netdev.c is used; the code in
> dpif-linux.c is used instead.
>
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