From: Numan Siddique <num...@ovn.org>
Also added a few comments in the port security related functions
in controller/lflow.c
Fixes: 94974a02bfd5("northd: Add generic port security logical flows.")
Signed-off-by: Numan Siddique <num...@ovn.org>
---
controller/lflow.c | 16 +++++++++++++++-
tests/ovn-northd.at | 2 +-
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/controller/lflow.c b/controller/lflow.c
index e968231492..7a3419305a 100644
--- a/controller/lflow.c
+++ b/controller/lflow.c
@@ -2731,7 +2731,13 @@ lflow_handle_flows_for_lport(const struct
sbrec_port_binding *pb,
return false;
}
- /* Program the port security flows. */
+ /* Program the port security flows.
+ * Note: All the port security OF rules are added using the 'uuid'
+ * of the port binding. Right now port binding 'uuid' is used in
+ * the logical flow table (l_ctx_out->flow_table) only for port
+ * security flows. Later if new flows are added using the
+ * port binding'uuid', then this function should handle it properly.
+ */
ofctrl_remove_flows(l_ctx_out->flow_table, &pb->header_.uuid);
if (pb->n_port_security && shash_find(l_ctx_in->binding_lports,
@@ -3399,6 +3405,10 @@ build_out_port_sec_ip4_flows(const struct
sbrec_port_binding *pb,
struct ovn_desired_flow_table *flow_table)
{
if (!ps_addr->n_ipv4_addrs && !ps_addr->n_ipv6_addrs) {
+ /* No IPv4 and no IPv6 addresses in the port security.
+ * Both IPv4 and IPv6 traffic should be delivered to the
+ * lport. build_out_port_sec_no_ip_flows() takes care of
+ * adding the required flow(s) to allow. */
return;
}
@@ -3493,6 +3503,10 @@ build_out_port_sec_ip6_flows(const struct
sbrec_port_binding *pb,
struct ovn_desired_flow_table *flow_table)
{
if (!ps_addr->n_ipv4_addrs && !ps_addr->n_ipv6_addrs) {
+ /* No IPv4 and no IPv6 addresses in the port security.
+ * Both IPv4 and IPv6 traffic should be delivered to the
+ * lport. build_out_port_sec_no_ip_flows() takes care of
+ * adding the required flow(s) to allow. */
return;
}
diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
index 0912e3bec4..5bd0935e72 100644
--- a/tests/ovn-northd.at
+++ b/tests/ovn-northd.at
@@ -7404,8 +7404,8 @@ AT_CHECK([cat sw0flows | grep -e port_sec | sort | sed
's/table=./table=?/' ], [
table=? (ls_in_check_port_sec), priority=100 , match=(eth.src[[40]]),
action=(drop;)
table=? (ls_in_check_port_sec), priority=100 , match=(vlan.present),
action=(drop;)
table=? (ls_in_check_port_sec), priority=50 , match=(1),
action=(reg0[[15]] = check_in_port_sec(); next;)
- table=? (ls_in_check_port_sec), priority=50 , match=(inport == "sw0p1"),
action=(reg0[[14]] = 1; next(pipeline=ingress, table=16);)
table=? (ls_in_check_port_sec), priority=70 , match=(inport ==
"localnetport"), action=(set_queue(10); reg0[[15]] = check_in_port_sec(); next;)
+ table=? (ls_in_check_port_sec), priority=70 , match=(inport == "sw0p1"),
action=(reg0[[14]] = 1; next(pipeline=ingress, table=16);)
table=? (ls_in_check_port_sec), priority=70 , match=(inport == "sw0p2"),
action=(set_queue(10); reg0[[15]] = check_in_port_sec(); next;)
table=? (ls_in_apply_port_sec), priority=0 , match=(1), action=(next;)
table=? (ls_in_apply_port_sec), priority=50 , match=(reg0[[15]] == 1),
action=(drop;)
--
2.35.3
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