vpp: T8325: Migrate gre interface to 'interfaces vpp gre'

5 files changed, 142 insertions, 144 deletions

diff --git a/python/vyos/ifconfig/vpp/__init__.py b/python/vyos/ifconfig/vpp/__init__.py
index b0a477c28..7abe402c6 100644
--- a/python/vyos/ifconfig/vpp/__init__.py
+++ b/python/vyos/ifconfig/vpp/__init__.py
@@ -16,6 +16,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 from .bond import VPPBondInterface
+from .gre import VPPGREInterface
 from .interface import VPPInterface
 from .ipip import VPPIPIPInterface
 from .loopback import VPPLoopbackInterface
@@ -23,6 +24,7 @@ from .vxlan import VPPVXLANInterface
 
 __all__ = [
     'VPPBondInterface',
+    'VPPGREInterface',
     'VPPInterface',
     'VPPIPIPInterface',
     'VPPLoopbackInterface',
diff --git a/python/vyos/ifconfig/vpp/gre.py b/python/vyos/ifconfig/vpp/gre.py
new file mode 100644
index 000000000..e281574a2
--- /dev/null
+++ b/python/vyos/ifconfig/vpp/gre.py
@@ -0,0 +1,138 @@
+# VyOS implementation of VPP GRE interface
+#
+# Copyright (C) VyOS Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+from vyos.ifconfig import Interface
+from vyos.ifconfig.vpp.interface import VPPInterface
+
+
+class VPPGREInterface(Interface, VPPInterface):
+    """
+    Class representing a GRE (Generic Routing Encapsulation) interface.
+    """
+
+    # Mapping of tunnel types https://github.com/FDio/vpp/blob/stable/2406/src/plugins/gre/gre.api#L25-L35
+    TUNNEL_TYPE_MAP = {
+        'l3': 0,
+        'teb': 1,
+        'erspan': 2,
+    }
+
+    MODE_MAP = {
+        'point-to-point': 0,
+        'point-to-multipoint': 1,
+    }
+
+    def __init__(self, ifname, config):
+        self.ifname = ifname
+        self.instance = int(ifname.removeprefix('vppgre'))
+        self.vpp_ifname = f'gre{self.instance}'
+
+        # Initialize Interface (kernel) and VPP part
+        super().__init__(ifname)
+        VPPInterface.__init__(self, self.vpp_ifname)
+
+        self.index = self.vpp.get_sw_if_index(self.vpp_ifname)
+        self.state = 'up' if 'disable' not in config else 'down'
+        self.src_address = config.get('source_address')
+        self.dst_address = config.get('remote')
+        self.tunnel_type = self.TUNNEL_TYPE_MAP.get(config.get('tunnel_type'), 0)
+        self.mode = self.MODE_MAP.get(config.get('mode'), 0)
+
+    def _create(self):
+        pass
+
+    def get_gre(self):
+        tunnels = self.vpp.api.gre_tunnel_dump(sw_if_index=self.index)
+        return tunnels if tunnels else None
+
+    def add_gre(self):
+        """Create GRE interface
+        https://github.com/FDio/vpp/blob/stable/2406/src/plugins/gre/gre.api
+        Example:
+            from vyos.ifconfig.vpp import VPPGREInterface
+            a = VPPGREInterface(ifname='vppgre0', config)
+            a.add_gre()
+        """
+        self.vpp.api.gre_tunnel_add_del(
+            is_add=True,
+            tunnel={
+                'src': self.src_address,
+                'dst': self.dst_address,
+                'instance': self.instance,
+                'mode': self.mode,
+                'type': self.tunnel_type,
+            },
+        )
+        # Add LCP pair (kernel) interface
+        self.kernel_add()
+        # Set interface state
+        self.set_state(self.state)
+        self.set_admin_state(self.state)
+        self.index = self.vpp.get_sw_if_index(self.vpp_ifname)
+
+    def delete_gre(self):
+        """Delete GRE interface
+        Example:
+            from vyos.ifconfig.vpp import VPPGREInterface
+            a = VPPGREInterface(ifname='vppgre0', config)
+            a.delete_gre()
+        """
+        gre = self.get_gre()
+        if gre:
+            return self.vpp.api.gre_tunnel_add_del(
+                is_add=False,
+                tunnel={'src': gre.tunnel.src, 'dst': gre.tunnel.dst},
+            )
+
+    def kernel_add(self):
+        """Add LCP pair
+        Example:
+            from vyos.ifconfig.vpp import VPPGREInterface
+            a = VPPGREInterface(ifname='vppgre0', config)
+            a.kernel_add()
+        """
+        self.vpp.lcp_pair_add(self.vpp_ifname, self.ifname, 'tun')
+
+    def kernel_delete(self):
+        """Delete LCP pair
+        Example:
+            from vyos.ifconfig.vpp import VPPGREInterface
+            a = VPPGREInterface(ifname='vppgre0', config)
+            a.kernel_delete()
+        """
+        self.vpp.lcp_pair_del(self.vpp_ifname, self.ifname)
+
+    def remove(self):
+        if self.index:
+            # Delete lcp pair interface
+            if self.vpp.lcp_pair_find(vpp_name_hw=self.vpp_ifname):
+                self.kernel_delete()
+
+            # Delete gre interface
+            self.delete_gre()
+
+    def update(self, config):
+        # Add gre interface
+        self.add_gre()
+
+        # Set rx-mode
+        rx_mode = config.get('vpp_settings', {}).get('interface_rx_mode')
+        if rx_mode:
+            self.set_rx_mode(rx_mode)
+
+        super().update(config)
diff --git a/python/vyos/vpp/interface/__init__.py b/python/vyos/vpp/interface/__init__.py
index 4ae96f486..cdfb0c0b8 100644
--- a/python/vyos/vpp/interface/__init__.py
+++ b/python/vyos/vpp/interface/__init__.py
@@ -18,7 +18,6 @@
 from .bridge import BridgeInterface
 from .ethernet import EthernetInterface
 from .geneve import GeneveInterface
-from .gre import GREInterface
 from .interface import Interface
 from .wireguard import WireguardInterface
 from .xconnect import XconnectInterface
@@ -27,7 +26,6 @@ __all__ = [
     'BridgeInterface',
     'EthernetInterface',
     'GeneveInterface',
-    'GREInterface',
     'Interface',
     'WireguardInterface',
     'XconnectInterface',
diff --git a/python/vyos/vpp/interface/gre.py b/python/vyos/vpp/interface/gre.py
deleted file mode 100644
index bc278d2a0..000000000
--- a/python/vyos/vpp/interface/gre.py
+++ /dev/null
@@ -1,140 +0,0 @@
-# VyOS implementation of VPP GRE interface
-#
-# Copyright (C) VyOS Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-from vyos.vpp import VPPControl
-from vyos.vpp.interface.interface import Interface
-
-
-def show():
-    """Show GRE interface
-    Example:
-      from vyos.vpp.interface import gre
-      gre.show()
-    """
-    vpp = VPPControl()
-    return vpp.api.gre_tunnel_dump()
-
-
-class GREInterface(Interface):
-    """
-    Class representing a GRE (Generic Routing Encapsulation) interface.
-
-    Attributes:
-        ifname (str): The interface name.
-        source_address (str): The source IP address for the GRE tunnel.
-        remote (str): The remote IP address for the GRE tunnel.
-        tunnel_type (str): The type of GRE tunnel. Defaults to 'l3'.
-        mode (str): The mode of the GRE tunnel. Options are 'point-to-point' and 'point-to-multipoint'. Defaults to 'point-to-point'.
-        kernel_interface (str): The associated kernel interface. Defaults to an empty string.
-        instance (int): The instance number derived from the interface name.
-        vpp (VPPControl): An instance of the VPPControl class for interacting with the VPP API.
-    """
-
-    # Mapping of tunnel types https://github.com/FDio/vpp/blob/stable/2406/src/plugins/gre/gre.api#L25-L35
-    TUNNEL_TYPE_MAP = {
-        'l3': 0,
-        'teb': 1,
-        'erspan': 2,
-    }
-
-    MODE_MAP = {
-        'point-to-point': 0,
-        'point-to-multipoint': 1,
-    }
-
-    def __init__(
-        self,
-        ifname,
-        source_address,
-        remote,
-        tunnel_type: str = 'l3',
-        mode: str = 'point-to-point',
-        kernel_interface: str = '',
-        state: str = 'up',
-    ):
-        """
-        Initialize a GREInterface instance.
-
-        Args:
-            ifname (str): The interface name.
-            source_address (str): The source IP address for the GRE tunnel.
-            remote (str): The remote IP address for the GRE tunnel.
-            mode (str): The mode of the GRE tunnel. Options are 'point-to-point' and 'point-to-multipoint'. Defaults to 'point-to-point'.
-            tunnel_type (str): The type of GRE tunnel. Defaults to 'l3'.
-            kernel_interface (str): The associated kernel interface. Defaults to an empty string.
-            state (str): The state of the interface. Defaults to 'up'.
-        """
-        super().__init__(ifname)
-        self.instance = int(ifname.removeprefix('gre'))
-        self.ifname = ifname
-        self.src_address = source_address
-        self.dst_address = remote
-        self.tunnel_type = self.TUNNEL_TYPE_MAP[tunnel_type]
-        self.mode = self.MODE_MAP[mode]
-        self.kernel_interface = kernel_interface
-        self.initial_state = state
-
-    def add(self):
-        """Create GRE interface
-        https://github.com/FDio/vpp/blob/stable/2406/src/plugins/gre/gre.api
-        Example:
-            from vyos.vpp.interface import GREInterface
-            a = GREInterface(ifname='gre0', source_address='192.0.2.1', remote='203.0.113.25', tunnel_type='l3')
-            a.add()
-        """
-        self.vpp.api.gre_tunnel_add_del(
-            is_add=True,
-            tunnel={
-                'src': self.src_address,
-                'dst': self.dst_address,
-                'instance': self.instance,
-                'mode': self.mode,
-                'type': self.tunnel_type,
-            },
-        )
-        # Set interface state
-        self.set_state(self.initial_state)
-
-    def delete(self):
-        """Delete GRE interface
-        Example:
-            from vyos.vpp.interface import GREInterface
-            a = GREInterface(ifname='gre0', source_address='192.0.2.1', remote='203.0.113.25')
-            a.delete()
-        """
-        return self.vpp.api.gre_tunnel_add_del(
-            is_add=False, tunnel={'src': self.src_address, 'dst': self.dst_address}
-        )
-
-    def kernel_add(self):
-        """Add LCP pair
-        Example:
-            from vyos.vpp.interface import GREInterface
-            a = GREInterface(ifname='gre0', source_address='192.0.2.1', remote='203.0.113.25')
-            a.kernel_add()
-        """
-        self.vpp.lcp_pair_add(self.ifname, self.kernel_interface, 'tun')
-
-    def kernel_delete(self):
-        """Delete LCP pair
-        Example:
-            from vyos.vpp.interface import GREInterface
-            a = GREInterface(ifname='gre0', source_address='192.0.2.1', remote='203.0.113.25')
-            a.kernel_delete()
-        """
-        self.vpp.lcp_pair_del(self.ifname, self.kernel_interface)
diff --git a/python/vyos/vpp/interface/xconnect.py b/python/vyos/vpp/interface/xconnect.py
index 603f7f90b..dd61d7146 100644
--- a/python/vyos/vpp/interface/xconnect.py
+++ b/python/vyos/vpp/interface/xconnect.py
@@ -41,7 +41,7 @@ class XconnectInterface:
             a = XconnectInterface(ifname='xcon0', members=['eth0', 'vxlan0'])
             a.add_l2_xconnect()
         """
-        interface_transform_filter = ('vxlan', 'gre')
+        interface_transform_filter = ('vxlan', 'geneve')
         first_member = self.members[0].removeprefix('vpp')
         second_member = self.members[1].removeprefix('vpp')
         # Check if member in required filter to transform 'vxlanX' => 'vxlan_tunnelX'
@@ -72,7 +72,7 @@ class XconnectInterface:
             a = XconnectInterface(ifname='xcon0', members=['eth0', 'vxlan0'])
             a.del_l2_xconnect()
         """
-        interface_transform_filter = ('vxlan', 'gre')
+        interface_transform_filter = ('vxlan', 'geneve')
         first_member = self.members[0].removeprefix('vpp')
         second_member = self.members[1].removeprefix('vpp')
         # Check if member in required filter to transform 'vxlanX' => 'vxlan_tunnelX'