T4163: Add BGP Monitoring Protocol BMP feature

Add BMP feature.
BMP (BGP Monitoring Protocol, RFC 7854) is used to send monitoring
data from BGP routers to network management entities

https://docs.frrouting.org/en/latest/bmp.html

Example:

set system frr bmp
commit
run restart bgp

set protocols bgp system-as '65001'
set protocols bgp neighbor 192.0.2.11 address-family ipv4-unicast
set protocols bgp neighbor 192.0.2.11 remote-as '65001'

set protocols bgp bmp mirror-buffer-limit '256000000'
set protocols bgp bmp target foo address '127.0.0.1'
set protocols bgp bmp target foo port '5000'
set protocols bgp bmp target foo min-retry '1000'
set protocols bgp bmp target foo max-retry '2000'
set protocols bgp bmp target foo mirror
set protocols bgp bmp target foo monitor ipv4-unicast post-policy
set protocols bgp bmp target foo monitor ipv4-unicast pre-policy
set protocols bgp bmp target foo monitor ipv6-unicast post-policy
set protocols bgp bmp target foo monitor ipv6-unicast pre-policy

2 files changed, 100 insertions, 0 deletions

diff --git a/interface-definitions/include/bgp/bmp-monitor-afi-policy.xml.i b/interface-definitions/include/bgp/bmp-monitor-afi-policy.xml.i
new file mode 100644
index 000000000..261d60232
--- /dev/null
+++ b/interface-definitions/include/bgp/bmp-monitor-afi-policy.xml.i
@@ -0,0 +1,14 @@
+<!-- include start from bgp/bmp-monitor-afi-policy.xml.i -->
+<leafNode name="pre-policy">
+  <properties>
+    <help>Send state before policy and filter processing</help>
+    <valueless/>
+  </properties>
+</leafNode>
+<leafNode name="post-policy">
+  <properties>
+    <help>Send state with policy and filters applied</help>
+    <valueless/>
+  </properties>
+</leafNode>
+<!-- include end -->
diff --git a/interface-definitions/include/bgp/protocol-common-config.xml.i b/interface-definitions/include/bgp/protocol-common-config.xml.i
index c379ba95c..dce61ee77 100644
--- a/interface-definitions/include/bgp/protocol-common-config.xml.i
+++ b/interface-definitions/include/bgp/protocol-common-config.xml.i
@@ -909,6 +909,92 @@
     </node>
   </children>
 </node>
+<node name="bmp">
+  <properties>
+    <help>BGP Monitoring Protocol (BMP)</help>
+  </properties>
+  <children>
+    <leafNode name="mirror-buffer-limit">
+      <properties>
+        <help>Maximum memory used for buffered mirroring messages (in bytes)</help>
+        <valueHelp>
+          <format>u32:0-4294967294</format>
+          <description>Limit in bytes</description>
+        </valueHelp>
+        <constraint>
+          <validator name="numeric" argument="--range 0-4294967294"/>
+        </constraint>
+      </properties>
+    </leafNode>
+    <tagNode name="target">
+      <properties>
+        <help>BMP target</help>
+      </properties>
+      <children>
+        #include <include/address-ipv4-ipv6-single.xml.i>
+        #include <include/port-number.xml.i>
+        <leafNode name="port">
+          <defaultValue>5000</defaultValue>
+        </leafNode>
+        <leafNode name="min-retry">
+          <properties>
+            <help>Minimum connection retry interval (in milliseconds)</help>
+            <valueHelp>
+              <format>u32:100-86400000</format>
+              <description>Minimum connection retry interval</description>
+            </valueHelp>
+            <constraint>
+              <validator name="numeric" argument="--range 100-86400000"/>
+            </constraint>
+          </properties>
+          <defaultValue>1000</defaultValue>
+        </leafNode>
+        <leafNode name="max-retry">
+          <properties>
+            <help>Maximum connection retry interval</help>
+            <valueHelp>
+              <format>u32:100-4294967295</format>
+              <description>Maximum connection retry interval</description>
+            </valueHelp>
+            <constraint>
+              <validator name="numeric" argument="--range 100-86400000"/>
+            </constraint>
+          </properties>
+          <defaultValue>2000</defaultValue>
+        </leafNode>
+        <leafNode name="mirror">
+          <properties>
+            <help>Send BMP route mirroring messages</help>
+            <valueless/>
+          </properties>
+        </leafNode>
+        <node name="monitor">
+          <properties>
+            <help>Send BMP route monitoring messages</help>
+          </properties>
+          <children>
+            <node name="ipv4-unicast">
+              <properties>
+                <help>Address family IPv4 unicast</help>
+              </properties>
+              <children>
+                #include <include/bgp/bmp-monitor-afi-policy.xml.i>
+              </children>
+            </node>
+            <node name="ipv6-unicast">
+              <properties>
+                <help>Address family IPv6 unicast</help>
+              </properties>
+              <children>
+                #include <include/bgp/bmp-monitor-afi-policy.xml.i>
+              </children>
+            </node>
+          </children>
+        </node>
+      </children>
+    </tagNode>
+  </children>
+</node>
 <tagNode name="interface">
   <properties>
     <help>Configure interface related parameters, e.g. MPLS</help>