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charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"ovs-dev-bounces@openvswitch.org","Sender":"\"dev\" "},"content":"Add vtap mode to the Network_Function_Group mode enum. In vtap mode,\ntraffic is mirrored to the network function while continuing to flow\nto the original destination, enabling passive monitoring.\n\n- Add 'vtap' to mode enum in Network_Function_Group table\n- Make outport optional in Network_Function table (vtap only uses inport)\n\nSigned-off-by: Naveen Yerramneni \nAcked-by: Sragdhara Datta Chaudhuri \nAcked-by: Aditya Mehakare \n---\n ovn-nb.ovsschema | 7 +++--\n ovn-nb.xml | 75 ++++++++++++++++++++++++++++++++++++------------\n 2 files changed, 60 insertions(+), 22 deletions(-)","diff":"diff --git a/ovn-nb.ovsschema b/ovn-nb.ovsschema\nindex e5945b831..ac01ba986 100644\n--- a/ovn-nb.ovsschema\n+++ b/ovn-nb.ovsschema\n@@ -1,7 +1,7 @@\n {\n \"name\": \"OVN_Northbound\",\n \"version\": \"7.18.0\",\n- \"cksum\": \"1537030958 45190\",\n+ \"cksum\": \"369914400 45257\",\n \"tables\": {\n \"NB_Global\": {\n \"columns\": {\n@@ -208,7 +208,7 @@\n \"outport\": {\"type\": {\"key\": {\"type\": \"uuid\",\n \"refTable\": \"Logical_Switch_Port\",\n \"refType\": \"strong\"},\n- \"min\": 1, \"max\": 1}},\n+ \"min\": 0, \"max\": 1}},\n \"inport\": {\"type\": {\"key\": {\"type\": \"uuid\",\n \"refTable\": \"Logical_Switch_Port\",\n \"refType\": \"strong\"},\n@@ -245,7 +245,8 @@\n \"refType\": \"strong\"},\n \"min\": 0, \"max\": 1}},\n \"mode\": {\"type\": {\"key\": {\"type\": \"string\",\n- \"enum\": [\"set\", [\"inline\"]]}}},\n+ \"enum\": [\"set\", [\"inline\",\n+ \"vtap\"]]}}},\n \"id\": {\n \"type\": {\"key\": {\"type\": \"integer\",\n \"minInteger\": 1,\ndiff --git a/ovn-nb.xml b/ovn-nb.xml\nindex f1cd89509..ee12ad612 100644\n--- a/ovn-nb.xml\n+++ b/ovn-nb.xml\n@@ -6490,14 +6490,16 @@ or\n title=\"network function group\">\n

\n Each row contains a list of . Traffic\n- redirection is achieved by referencing a\n- Network_Function_Group from an . Health\n- monitoring of each Network_Function is performed based on\n- parameters defined in .\n- Traffic matching the ACL is redirected to one of the active\n- Network_Functions. If all are detected as down, traffic is\n- redirected to one of the Network_Functions regardless of\n- status.\n+ redirection/mirroring is achieved by referencing a\n+ Network_Function_Group from an . For\n+ inline mode, health monitoring of each\n+ Network_Function is performed based on parameters defined\n+ in . Health monitoring is\n+ not applicable for vtap mode; a vtap network function is\n+ always considered active as long as its port is bound.\n+ Traffic matching the ACL is redirected (inline) or mirrored (vtap) to\n+ one of the active Network_Functions. If all are detected\n+ as down, the fallback method is applied.\n

\n \n \n@@ -6513,8 +6515,9 @@ or\n Fallback setting when no active network functions are available.\n

\n Supports following fallback mechanisms.\n- If not specified, fail-close will be applied when no active Network\n- Functions are available.\n+ If not specified: for inline mode, fail-close is applied\n+ when no active Network Functions are available; for vtap\n+ mode, fallback is always fail-open.\n

\n \n
\n@@ -6542,13 +6545,34 @@ or\n \n \n Current active Network_Function. This column is populated by northd\n- based on health monitoring status.\n+ based on health monitoring status for inline mode. For\n+ vtap mode, health monitoring is not applicable; northd\n+ sets the active network function based on port binding status.\n \n \n \n- Traffic forwarding mode, with default and only value as \"inline\". The\n- \"inline\" mode means that the network function is directly in the path\n- of traffic, with traffic being redirected through it.\n+ Network Function insertion mode.\n+

\n+ Supports following modes.\n+

\n+\n+
\n+
inline
\n+
\n+

\n+ In this mode, traffic redirection happens inline through active\n+ Network Function ports.\n+

\n+
\n+\n+
vtap
\n+
\n+

\n+ In this mode, traffic is mirrored to active Network Function\n+ port.\n+

\n+
\n+
\n \n \n \n@@ -6560,8 +6584,11 @@ or\n \n \n

\n- Each row represents one network function entity. This contains a pair\n- of logical_switch_ports. Traffic that matches the ACL is redirected to\n+ Each row represents one network function entity. This contains a single\n+ logical switch port when deployed in vtap mode and pair of logical switch\n+ ports when deployed in inline mode.\n+\n+ In inline mode, traffic that matches the ACL is redirected to\n inport for from-lport ACLs and to outport\n for to-lport ACLs. Once the traffic is received on the other port, it\n continues through the standard OVN pipeline.\n@@ -6574,6 +6601,9 @@ or\n 1. The Network Function MUST NOT modify the packet headers.\n 2. The Network Function is not supported when used in conjunction with\n Load Balancer.\n+\n+ In vtap mode, traffic that matches the ACL is mirrored to\n+ inport in all cases.\n

\n \n \n@@ -6587,17 +6617,24 @@ or\n \n \n where request traffic for from-lport\n- ACL and response traffic for to-lport ACL is redirected.\n+ ACL and response traffic for to-lport ACL is redirected when\n+ network function is deployed in inline mode. In vtap mode, traffic\n+ matching both to-lport and from-lport ACLs is mirrored to the inport.\n \n \n \n where request traffic for to-lport ACL\n- and response traffic for from-lport ACL is redirected.\n+ and response traffic for from-lport ACL is redirected when\n+ network function is deployed in inline mode.\n+ This is not applicable when network function is deployed in vtap mode.\n \n \n \n associated with this network\n- function.\n+ function. Health check is applicable only for inline mode.\n+ It is not applicable when the network function is deployed in\n+ vtap mode; this column should be left unset for vtap\n+ network functions.\n \n \n \n","prefixes":["ovs-dev","v2","1/4"]}