your patch is better, pls ignore my patch, it has some bugs.
and I have a question, have you considered that situasion: and(or(and(or))), it have 'or' in 2 level. I do not know how to deal with the conjunction of 'or' in level 2. 在 2018/2/3 18:12, Numan Siddique 写道:
On Sat, Feb 3, 2018 at 4:37 AM, Ben Pfaff <[email protected] <mailto:[email protected]>> wrote:On Wed, Oct 18, 2017 at 10:39:12AM +0800, wei wrote: > This patch convert ovn-sb lflow match expr "(1 or 2) and (3 or 4)" to > match 1 aciton connjunction(1, 1/2) > match 2 aciton connjunction(1, 1/2) > match 3 aciton connjunction(1, 2/2) > match 4 aciton connjunction(1, 2/2) > match conj_id=1, action=XXX > > NOT support nested conjunction, only use conjunction action in situation "or in level 0" > Like (1 or 2) and (3 or ((4 or 5) and (6 or 7))), (4 or 5) and (6 or 7) will not be converted conjunction action, > We could call this situation as "or in level 1", in this situation (4 or 5) and (6 or 7) will be crossproduct, > so (1 or 2) and (3 or ((4 or 5) and (6 or 7))) -> (1 or 2) and (3 or (4 and 6) or (4 and 7) or (5 and 6) or (5 and 7)) > > In openstack, security group rule will match remote security group and tcp port, like > match=(ip4.src == $as_ip4_6a8f4283_ba60_4d1c_9dec_28d027eadef2 && tcp.dst >= 10000 && tcp.dst <= 20000)) > > Use this patch, the number of flows will be significantly reduced > > Signed-off-by: wei <[email protected] <mailto:[email protected]>> I'm awfully sorry that I took far too long to review this. Somehow I missed it, even though it is a really important topic. This patch causes numerous test failures: 2316: ovn -- 4-term mixed expression normalization FAILED (ovn.at:483 <http://ovn.at:483>) 2321: ovn -- 4-term string expressions to flows FAILED (ovn.at:515 <http://ovn.at:515>) 2320: ovn -- 4-term numeric expressions to flows FAILED (ovn.at:508 <http://ovn.at:508>) 2314: ovn -- 4-term numeric expression normalization FAILED (ovn.at:471 <http://ovn.at:471>) 2322: ovn -- 4-term mixed expressions to flows FAILED (ovn.at:522 <http://ovn.at:522>) 2315: ovn -- 4-term string expression normalization FAILED (ovn.at:477 <http://ovn.at:477>) 2318: ovn -- 5-term string expression normalization FAILED (ovn.at:495 <http://ovn.at:495>) 2319: ovn -- 5-term mixed expression normalization FAILED (ovn.at:501 <http://ovn.at:501>) 2324: ovn -- converting expressions to flows -- string fields FAILED (ovn.at:560 <http://ovn.at:560>) 2317: ovn -- 5-term numeric expression normalization FAILED (ovn.at:489 <http://ovn.at:489>) 2358: ovn -- ACL logging FAILED (ovn.at:5955 <http://ovn.at:5955>) which all take the following form: # -*- compilation -*- 2314. ovn.at:470 <http://ovn.at:470>: testing ovn -- 4-term numeric expression normalization ... ../../tests/ovn.at:471 <http://ovn.at:471>: ovstest test-ovn exhaustive --operation=normalize --nvars=3 --svars=0 --bits=1 4 --- /dev/null 2017-07-26 15:46:07.674034656 -0700 +++ /home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/2314/stderr 2018-02-02 15:05:06.998858676 -0800 @@ -0,0 +1,2 @@ +test-ovn: ../tests/test-ovn.c:874: assertion expr_is_normalized(modified) failed in test_tree_shape_exhaustively() +/home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/2314/test-source: line 27: 18216 Aborted (core dumped) ovstest test-ovn exhaustive --operation=normalize --nvars=3 --svars=0 --bits=1 4 --- - 2018-02-02 15:05:07.018262584 -0800 +++ /home/blp/nicira/ovs/_build/tests/testsuite.dir/at-groups/2314/stdout 2018-02-02 15:05:07.002858553 -0800 @@ -1,2 +1 @@ -Tested normalizing 1874026 expressions of 4 terminals with 3 numeric vars (each 1 bits) in terms of operators == != < <= > >=. ../../tests/ovn.at:471 <http://ovn.at:471>: exit code was 134, expected 0 2314. ovn.at:470 <http://ovn.at:470>: 2314. ovn -- 4-term numeric expression normalization (ovn.at:470 <http://ovn.at:470>): FAILED (ovn.at:471 <http://ovn.at:471>) There is another patch that purports to improve the same thing: https://patchwork.ozlabs.org/patch/868639/ <https://patchwork.ozlabs.org/patch/868639/> I'm going to look at that one soon, too.Oops. I missed this patch completely. Else I would have tried this first before working myself on this feature.Thanks Numan _______________________________________________ dev mailing list [email protected] <mailto:[email protected]> https://mail.openvswitch.org/mailman/listinfo/ovs-dev <https://mail.openvswitch.org/mailman/listinfo/ovs-dev>
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