bgp: T5596: add new features from FRR 9

* Add BGP Software Version capability (draft-abraitis-bgp-version-capability)
  set protocols bgp neighbor 192.0.2.1 capability software-version

* Add BGP neighbor path-attribute treat-as-withdraw command
  set protocols bgp neighbor 192.0.2.1 path-attribute treat-as-withdraw

(cherry picked from commit d285355716708a46767c18661976906812da8a3c)

4 files changed, 43 insertions, 5 deletions

diff --git a/data/templates/frr/bgpd.frr.j2 b/data/templates/frr/bgpd.frr.j2
index e1c102e16..d724dbd79 100644
--- a/data/templates/frr/bgpd.frr.j2
+++ b/data/templates/frr/bgpd.frr.j2
@@ -29,13 +29,14 @@
  neighbor {{ neighbor }} bfd profile {{ config.bfd.profile }}
 {%     endif %}
 {% endif %}
-{% if config.capability is vyos_defined %}
-{%     if config.capability.dynamic is vyos_defined %}
+{% if config.capability.dynamic is vyos_defined %}
  neighbor {{ neighbor }} capability dynamic
-{%     endif %}
-{%     if config.capability.extended_nexthop is vyos_defined %}
+{% endif %}
+{% if config.capability.extended_nexthop is vyos_defined %}
  neighbor {{ neighbor }} capability extended-nexthop
-{%     endif %}
+{% endif %}
+{% if config.capability.software_version is vyos_defined %}
+ neighbor {{ neighbor }} capability software-version
 {% endif %}
 {% if config.description is vyos_defined %}
  neighbor {{ neighbor }} description {{ config.description }}
@@ -77,6 +78,9 @@
 {% if config.path_attribute.discard is vyos_defined %}
  neighbor {{ neighbor }} path-attribute discard {{ config.path_attribute.discard }}
 {% endif %}
+{% if config.path_attribute.treat_as_withdraw is vyos_defined %}
+ neighbor {{ neighbor }} path-attribute treat-as-withdraw {{ config.path_attribute.treat_as_withdraw }}
+{% endif %}
 {% if config.port is vyos_defined %}
  neighbor {{ neighbor }} port {{ config.port }}
 {% endif %}
diff --git a/interface-definitions/include/bgp/neighbor-capability.xml.i b/interface-definitions/include/bgp/neighbor-capability.xml.i
index 2bbfadf1f..c5ed3c840 100644
--- a/interface-definitions/include/bgp/neighbor-capability.xml.i
+++ b/interface-definitions/include/bgp/neighbor-capability.xml.i
@@ -16,6 +16,12 @@
         <valueless/>
       </properties>
     </leafNode>
+    <leafNode name="software-version">
+      <properties>
+        <help>Advertise Software Version capability to the peer</help>
+        <valueless/>
+      </properties>
+    </leafNode>
   </children>
 </node>
 <!-- include end -->
diff --git a/interface-definitions/include/bgp/neighbor-path-attribute.xml.i b/interface-definitions/include/bgp/neighbor-path-attribute.xml.i
index f4f2fcfa9..30568d8c6 100644
--- a/interface-definitions/include/bgp/neighbor-path-attribute.xml.i
+++ b/interface-definitions/include/bgp/neighbor-path-attribute.xml.i
@@ -16,6 +16,18 @@
         </constraint>
       </properties>
     </leafNode>
+    <leafNode name="treat-as-withdraw">
+      <properties>
+        <help>Treat-as-withdraw any incoming BGP UPDATE messages that contain the specified attribute</help>
+        <valueHelp>
+          <format>u32:1-255</format>
+          <description>Attribute number</description>
+        </valueHelp>
+        <constraint>
+          <validator name="numeric" argument="--range 1-255"/>
+        </constraint>
+      </properties>
+    </leafNode>
   </children>
 </node>
 <!-- include end -->
diff --git a/smoketest/scripts/cli/test_protocols_bgp.py b/smoketest/scripts/cli/test_protocols_bgp.py
index 77952d8d9..967958cab 100755
--- a/smoketest/scripts/cli/test_protocols_bgp.py
+++ b/smoketest/scripts/cli/test_protocols_bgp.py
@@ -44,6 +44,7 @@ neighbor_config = {
         'bfd'              : '',
         'cap_dynamic'      : '',
         'cap_ext_next'     : '',
+        'cap_ext_sver'     : '',
         'remote_as'        : '100',
         'adv_interv'       : '400',
         'passive'          : '',
@@ -71,6 +72,7 @@ neighbor_config = {
         'pfx_list_out'     : prefix_list_out,
         'no_send_comm_std' : '',
         'local_role'       : 'rs-client',
+        'p_attr_taw'       : '200',
         },
     '192.0.2.3' : {
         'advertise_map'    : route_map_in,
@@ -87,6 +89,7 @@ neighbor_config = {
         'exist_map'        : route_map_out,
         'cap_dynamic'      : '',
         'cap_ext_next'     : '',
+        'cap_ext_sver'     : '',
         'remote_as'        : '123',
         'adv_interv'       : '400',
         'passive'          : '',
@@ -137,6 +140,7 @@ peer_group_config = {
         'remote_as'        : '111',
         'graceful_rst_no'  : '',
         'port'             : '667',
+        'p_attr_taw'       : '126',
         },
     'foo-bar' : {
         'advertise_map'    : route_map_in,
@@ -217,6 +221,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
             self.assertIn(f' neighbor {peer} capability dynamic', frrconfig)
         if 'cap_ext_next' in peer_config:
             self.assertIn(f' neighbor {peer} capability extended-nexthop', frrconfig)
+        if 'cap_ext_sver' in peer_config:
+            self.assertIn(f' neighbor {peer} capability software-version', frrconfig)
         if 'description' in peer_config:
             self.assertIn(f' neighbor {peer} description {peer_config["description"]}', frrconfig)
         if 'no_cap_nego' in peer_config:
@@ -264,6 +270,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
             self.assertIn(f' neighbor {peer} addpath-tx-all-paths', frrconfig)
         if 'p_attr_discard' in peer_config:
             self.assertIn(f' neighbor {peer} path-attribute discard {peer_config["p_attr_discard"]}', frrconfig)
+        if 'p_attr_taw' in peer_config:
+            self.assertIn(f' neighbor {peer} path-attribute treat-as-withdraw {peer_config["p_attr_taw"]}', frrconfig)
         if 'addpath_per_as' in peer_config:
             self.assertIn(f' neighbor {peer} addpath-tx-bestpath-per-AS', frrconfig)
         if 'advertise_map' in peer_config:
@@ -390,6 +398,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
                 self.cli_set(base_path + ['neighbor', peer, 'capability', 'dynamic'])
             if 'cap_ext_next' in peer_config:
                 self.cli_set(base_path + ['neighbor', peer, 'capability', 'extended-nexthop'])
+            if 'cap_ext_sver' in peer_config:
+                self.cli_set(base_path + ['neighbor', peer, 'capability', 'software-version'])
             if 'description' in peer_config:
                 self.cli_set(base_path + ['neighbor', peer, 'description', peer_config["description"]])
             if 'no_cap_nego' in peer_config:
@@ -424,6 +434,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
                 self.cli_set(base_path + ['neighbor', peer, 'update-source', peer_config["update_src"]])
             if 'p_attr_discard' in peer_config:
                 self.cli_set(base_path + ['neighbor', peer, 'path-attribute', 'discard', peer_config["p_attr_discard"]])
+            if 'p_attr_taw' in peer_config:
+                self.cli_set(base_path + ['neighbor', peer, 'path-attribute', 'treat-as-withdraw', peer_config["p_attr_taw"]])
             if 'route_map_in' in peer_config:
                 self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'route-map', 'import', peer_config["route_map_in"]])
             if 'route_map_out' in peer_config:
@@ -490,6 +502,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
                 self.cli_set(base_path + ['peer-group', peer_group, 'capability', 'dynamic'])
             if 'cap_ext_next' in config:
                 self.cli_set(base_path + ['peer-group', peer_group, 'capability', 'extended-nexthop'])
+            if 'cap_ext_sver' in config:
+                self.cli_set(base_path + ['peer-group', peer_group, 'capability', 'software-version'])
             if 'description' in config:
                 self.cli_set(base_path + ['peer-group', peer_group, 'description', config["description"]])
             if 'no_cap_nego' in config:
@@ -544,6 +558,8 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase):
                 self.cli_set(base_path + ['peer-group', peer_group, 'disable-connected-check'])
             if 'p_attr_discard' in config:
                 self.cli_set(base_path + ['peer-group', peer_group, 'path-attribute', 'discard', config["p_attr_discard"]])
+            if 'p_attr_taw' in config:
+                self.cli_set(base_path + ['peer-group', peer_group, 'path-attribute', 'treat-as-withdraw', config["p_attr_taw"]])
 
             # Conditional advertisement
             if 'advertise_map' in config: