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ofproto/bond: Implement bond megaflow using recirculation

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Infrastructure to enable megaflow support for bond ports using
recirculation. This patch adds the following features:
* Generate RECIRC action when bond can benefit from recirculation.
* Populate post recirculation rules in a hidden table. Currently table 254.
* Uses post recirculation rules for bond rebalancing
* A recirculation implementation in dpif-netdev.

The goal of this patch is to be able to megaflow bond outputs and
thus greatly improve performance. However, this patch does not
actually improve the megaflow generation. It is left for a later commit.

Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Andy Zhou
2014-03-05 15:27:31 -08:00
parent ebed9f7859
commit adcf00ba35
20 changed files with 910 additions and 143 deletions
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7
lib/ofp-util.h
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@@ -246,6 +246,13 @@ enum ofputil_flow_mod_flags {
OFPUTIL_FF_CHECK_OVERLAP = 1 << 3, /* All versions. */
OFPUTIL_FF_EMERG = 1 << 4, /* OpenFlow 1.0 only. */
OFPUTIL_FF_RESET_COUNTS = 1 << 5, /* OpenFlow 1.2+. */
/* Flags that are only set by OVS for its internal use. Cannot be set via
* OpenFlow. */
OFPUTIL_FF_HIDDEN_FIELDS = 1 << 6, /* Allow hidden match fields to be
set or modified. */
OFPUTIL_FF_NO_READONLY = 1 << 7, /* Allow rules within read only tables
to be modified */
};
/* Protocol-independent flow_mod.