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https://github.com/GNS3/gns3-server.git
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61020d3bbc
Markers no longer disqualify the kernel datapath. They ride the NIO like on the relay path and attach to the veth host end through uBridge's marker add_kernel/delete_kernel/enable_kernel commands (AF_PACKET taps, same BPF/direction/signal semantics as the relay mark filter). - base_node: marker anchors are now polymorphic (relay bridge name or kernel veth host interface); the reconcile loop is datapath-agnostic and DockerVM overrides the add/delete/enable primitives to translate the commands. Marker-name validation extracted for both add paths. - docker_vm: kernel NIO connect/update apply markers on the veth anchor; link deletion tears markers down explicitly (the veth survives the link, unlike a relay bridge whose death drops its filters). - controller: eligibility and start_marker no longer exclude markers or project-level marker definitions; the kernel NIO carries the capture node's marker specs. - NIO creation accepts markers on kernel NIOs (filters still rejected).
68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
#
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# Copyright (C) 2026 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Interface for kernel-datapath bridge NIOs.
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A NIO of this type instructs the node to enslave its adapter's veth host end
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into the named Linux kernel bridge instead of wiring a uBridge UDP relay.
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Frames then flow entirely in the kernel (veth -> bridge -> veth). Packet
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filters are not available on this datapath (they live in the uBridge relay);
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markers and packet capture are served by uBridge's AF_PACKET modules on the
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veth host end (marker add_kernel / capture start_kernel).
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"""
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from .nio import NIO
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class NIOBridge(NIO):
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"""
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Kernel-bridge NIO.
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:param bridge: name of the per-link Linux kernel bridge
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"""
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def __init__(self, bridge):
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super().__init__()
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self._bridge = bridge
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@property
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def bridge(self):
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"""
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Returns the kernel bridge name.
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:returns: bridge name
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"""
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return self._bridge
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def __str__(self):
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return "NIO bridge"
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def asdict(self):
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return {
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"type": "nio_bridge",
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"bridge": self._bridge,
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"suspend": self._suspended,
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"filters": self._filters,
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"markers": self._markers,
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}
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