[ovs-dev] [PATCH v4 3/5] ofproto-dpif-xlate: More robust wildcarding for select group.
Jarno Rajahalme
jrajahalme at nicira.com
Tue Mar 24 18:29:26 UTC 2015
> On Mar 24, 2015, at 9:53 AM, Ben Pfaff <blp at nicira.com> wrote:
>
> On Thu, Mar 19, 2015 at 06:03:27PM -0700, Jarno Rajahalme wrote:
>> The flow key should be the same regardless of whether a live bucket is
>> found or not, as it would be confusing that the flow key would be
>> different (different mask bits) after the last group bucket goes dead.
>>
>> In general, the megaflow algorithm expects the mask bits be set as
>> soon as we read the header bits, regardless of what happens
>> afterwards.
>>
>> Also, use flow_mask_hash_fields() instead of individually setting mask
>> fields. This immediately brings in IPv6 support, and helps keeping
>> masks in sync with potential algorithm changes to flow hashing
>> functions.
>>
>> Found by inspection.
>>
>> Signed-off-by: Jarno Rajahalme <jrajahalme at nicira.com>
>
> Beautiful. A bug fix that removes code. Thank you!
>
> Acked-by: Ben Pfaff <blp at nicira.com <mailto:blp at nicira.com>>
Thank you for your kind review. Pushed to master,
Jarno
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