I want just to understand how the function classifier_lookup__() works. Because i have the presentation and i need to explain to them about it, and i read your documents but there is nothing how this function works. I found that if there is no wildcard then it will go from the first condition in the function find_match_wc() and the other i didn't understand them. So can you please explain to me briefly about it. Thank you and have a nice day. On 11 Aug 2016 18:20, "Ben Pfaff" <b...@ovn.org> wrote:
> You're doing something wrong. The classifier finds a matching rule. > There's no need to "check" anything afterward. > > The classifier doesn't have any provision for finding a "different" > rule. > > On Thu, Aug 11, 2016 at 05:51:40PM +0200, Amrane Ait Zeouay wrote: > > No, I'm working with classifier to find the rule. So when the classifier > > found the rule I need to check that rule. But the problem is when i want > > the classifier to give me another rule different from the highest rule > that > > matches the flow. > > Thank you. > > On 11 Aug 2016 5:45 pm, "Ben Pfaff" <b...@ovn.org> wrote: > > > > > On Thu, Aug 11, 2016 at 01:14:38PM +0200, Amrane Ait Zeouay wrote: > > > > I'm working on Openvswitch version 2.5.0 for adding new fields, And I > > > found > > > > a problem with my implemntation in the function "find_match_wc()" > file > > > > lib/classifier.c, I want to know when the condition > "OVS_UNLIKELY(!wc)" > > > is > > > > used, and this condition too "!cmap_node_next(inode)" and the last > one > > > for > > > > looking for a rule using find_match(), because one time it was going > from > > > > "OVS_UNLIKELY(!wc)" and another time it went from > > > "!cmap_node_next(inode)" > > > > and this time is skipping everything and going for that > "finding_match()" > > > > > > You don't need to modify the classifier code to add a new field. > > > >
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