Currently in physical_run() we added per-port loopback prevention
flows for all lports. The flows are actually required only for
local ports on the chassis. This change greatly reduces number of
flows in table 34.
Signed-off-by: Han Zhou <zhou...@gmail.com>
---
ovn/controller/physical.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/ovn/controller/physical.c b/ovn/controller/physical.c
index 657c3e2..1f11e48 100644
--- a/ovn/controller/physical.c
+++ b/ovn/controller/physical.c
@@ -384,6 +384,18 @@ physical_run(struct controller_ctx *ctx, enum mf_field_id
mff_ovn_geneve,
ofctrl_add_flow(flow_table, OFTABLE_LOCAL_OUTPUT, 100, &match,
&ofpacts);
+ /* Table 34, Priority 100.
+ * =======================
+ *
+ * Drop packets whose logical inport and outport are the same. */
+ match_init_catchall(&match);
+ ofpbuf_clear(&ofpacts);
+ match_set_metadata(&match, htonll(binding->datapath->tunnel_key));
+ match_set_reg(&match, MFF_LOG_INPORT - MFF_REG0,
binding->tunnel_key);
+ match_set_reg(&match, MFF_LOG_OUTPORT - MFF_REG0,
binding->tunnel_key);
+ ofctrl_add_flow(flow_table, OFTABLE_DROP_LOOPBACK, 100,
+ &match, &ofpacts);
+
/* Table 64, Priority 100.
* =======================
*
@@ -469,18 +481,6 @@ physical_run(struct controller_ctx *ctx, enum mf_field_id
mff_ovn_geneve,
ofctrl_add_flow(flow_table, OFTABLE_REMOTE_OUTPUT, 100,
&match, &ofpacts);
}
-
- /* Table 34, Priority 100.
- * =======================
- *
- * Drop packets whose logical inport and outport are the same. */
- match_init_catchall(&match);
- ofpbuf_clear(&ofpacts);
- match_set_metadata(&match, htonll(binding->datapath->tunnel_key));
- match_set_reg(&match, MFF_LOG_INPORT - MFF_REG0, binding->tunnel_key);
- match_set_reg(&match, MFF_LOG_OUTPORT - MFF_REG0, binding->tunnel_key);
- ofctrl_add_flow(flow_table, OFTABLE_DROP_LOOPBACK, 100,
- &match, &ofpacts);
}
/* Handle output to multicast groups, in tables 32 and 33. */
--
2.1.0
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