This is a preliminary patch to rework OVN QoS implementation in order to
configure it through OVS QoS table instead of running tc command
directly bypassing OVS.

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
 controller/binding.c | 7 ++++++-
 northd/northd.c      | 8 ++++++++
 ovn-sb.xml           | 5 +++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/controller/binding.c b/controller/binding.c
index b9bcb5389..6854a162d 100644
--- a/controller/binding.c
+++ b/controller/binding.c
@@ -142,6 +142,7 @@ static void update_lport_tracking(const struct 
sbrec_port_binding *pb,
 struct qos_queue {
     struct hmap_node node;
 
+    char *network;
     char *port;
     bool stale;
 
@@ -210,6 +211,7 @@ qos_queue_gc(const struct sbrec_port_binding *pb, struct 
hmap *queue_map)
     HMAP_FOR_EACH_SAFE (q, node, queue_map) {
         if (q->stale) {
             hmap_remove(queue_map, &q->node);
+            free(q->network);
             free(q->port);
             free(q);
         }
@@ -221,6 +223,7 @@ destroy_qos_map(struct hmap *qos_map)
 {
     struct qos_queue *q;
     HMAP_FOR_EACH_POP (q, node, qos_map) {
+        free(q->network);
         free(q->port);
         free(q);
     }
@@ -234,8 +237,9 @@ get_qos_queue(const struct sbrec_port_binding *pb, struct 
hmap *queue_map)
     uint32_t max_rate = smap_get_int(&pb->options, "qos_max_rate", 0);
     uint32_t burst = smap_get_int(&pb->options, "qos_burst", 0);
     uint32_t queue_id = smap_get_int(&pb->options, "qdisc_queue_id", 0);
+    const char *network = smap_get(&pb->options, "qos_physical_network");
 
-    if ((!min_rate && !max_rate && !burst) || !queue_id) {
+    if ((!min_rate && !max_rate && !burst) || !queue_id || !network) {
         /* Qos is not configured for this port. */
         return;
     }
@@ -246,6 +250,7 @@ get_qos_queue(const struct sbrec_port_binding *pb, struct 
hmap *queue_map)
     if (!q) {
         q = xzalloc(sizeof *q);
         hmap_insert(queue_map, &q->node, hash);
+        q->network = xstrdup(network);
         q->port = xstrdup(pb->logical_port);
         q->min_rate = min_rate;
         q->max_rate = max_rate;
diff --git a/northd/northd.c b/northd/northd.c
index 25df0957e..53217347d 100644
--- a/northd/northd.c
+++ b/northd/northd.c
@@ -3505,7 +3505,15 @@ ovn_port_update_sbrec(struct ovsdb_idl_txn *ovnsb_txn,
             }
 
             smap_clone(&options, &op->nbsp->options);
+
             if (queue_id) {
+                if (op->od->n_localnet_ports) {
+                    struct ovn_port *port = op->od->localnet_ports[0];
+                    const char *physical_network = smap_get(
+                            &port->nbsp->options, "network_name");
+                    smap_add(&options, "qos_physical_network",
+                             physical_network);
+                }
                 smap_add_format(&options,
                                 "qdisc_queue_id", "%d", queue_id);
             }
diff --git a/ovn-sb.xml b/ovn-sb.xml
index 8ca206109..d8c726dfa 100644
--- a/ovn-sb.xml
+++ b/ovn-sb.xml
@@ -3654,6 +3654,11 @@ tcp.flags = RST;
         interface, in bits.
       </column>
 
+      <column name="options" key="qos_physical_network">
+        If set, indicates the name of the egress network name where traffic
+        shaping will be applied.
+      </column>
+
       <column name="options" key="qdisc_queue_id"
               type='{"type": "integer", "minInteger": 1, "maxInteger": 61440}'>
         Indicates the queue number on the physical device. This is same as the
-- 
2.40.1

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