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-rw-r--r--python/vyos/ifconfig/control.py14
-rw-r--r--python/vyos/ifconfig/ethernet.py26
-rw-r--r--python/vyos/ifconfig/interface.py167
-rw-r--r--python/vyos/ifconfig/vxlan.py66
4 files changed, 202 insertions, 71 deletions
diff --git a/python/vyos/ifconfig/control.py b/python/vyos/ifconfig/control.py
index c8366cb58..7402da55a 100644
--- a/python/vyos/ifconfig/control.py
+++ b/python/vyos/ifconfig/control.py
@@ -1,4 +1,4 @@
-# Copyright 2019-2021 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2019-2023 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -49,6 +49,18 @@ class Control(Section):
return popen(command, self.debug)
def _cmd(self, command):
+ import re
+ if 'netns' in self.config:
+ # This command must be executed from default netns 'ip link set dev X netns X'
+ # exclude set netns cmd from netns to avoid:
+ # failed to run command: ip netns exec ns01 ip link set dev veth20 netns ns01
+ pattern = r'ip link set dev (\S+) netns (\S+)'
+ matches = re.search(pattern, command)
+ if matches and matches.group(2) == self.config['netns']:
+ # Command already includes netns and matches desired namespace:
+ command = command
+ else:
+ command = f'ip netns exec {self.config["netns"]} {command}'
return cmd(command, self.debug)
def _get_command(self, config, name):
diff --git a/python/vyos/ifconfig/ethernet.py b/python/vyos/ifconfig/ethernet.py
index 24ce3a803..285542057 100644
--- a/python/vyos/ifconfig/ethernet.py
+++ b/python/vyos/ifconfig/ethernet.py
@@ -57,6 +57,10 @@ class EthernetIf(Interface):
'validate': lambda v: assert_list(v, ['on', 'off']),
'possible': lambda i, v: EthernetIf.feature(i, 'gso', v),
},
+ 'hw-tc-offload': {
+ 'validate': lambda v: assert_list(v, ['on', 'off']),
+ 'possible': lambda i, v: EthernetIf.feature(i, 'hw-tc-offload', v),
+ },
'lro': {
'validate': lambda v: assert_list(v, ['on', 'off']),
'possible': lambda i, v: EthernetIf.feature(i, 'lro', v),
@@ -222,6 +226,25 @@ class EthernetIf(Interface):
print('Adapter does not support changing generic-segmentation-offload settings!')
return False
+ def set_hw_tc_offload(self, state):
+ """
+ Enable hardware TC flow offload. State can be either True or False.
+ Example:
+ >>> from vyos.ifconfig import EthernetIf
+ >>> i = EthernetIf('eth0')
+ >>> i.set_hw_tc_offload(True)
+ """
+ if not isinstance(state, bool):
+ raise ValueError('Value out of range')
+
+ enabled, fixed = self.ethtool.get_hw_tc_offload()
+ if enabled != state:
+ if not fixed:
+ return self.set_interface('hw-tc-offload', 'on' if state else 'off')
+ else:
+ print('Adapter does not support changing hw-tc-offload settings!')
+ return False
+
def set_lro(self, state):
"""
Enable Large Receive offload. State can be either True or False.
@@ -358,6 +381,9 @@ class EthernetIf(Interface):
# GSO (generic segmentation offload)
self.set_gso(dict_search('offload.gso', config) != None)
+ # GSO (generic segmentation offload)
+ self.set_hw_tc_offload(dict_search('offload.hw-tc-offload', config) != None)
+
# LRO (large receive offload)
self.set_lro(dict_search('offload.lro', config) != None)
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index 41ce352ad..050095364 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -38,7 +38,9 @@ from vyos.utils.dict import dict_search
from vyos.utils.file import read_file
from vyos.utils.network import get_interface_config
from vyos.utils.network import get_interface_namespace
+from vyos.utils.network import is_netns_interface
from vyos.utils.process import is_systemd_service_active
+from vyos.utils.process import run
from vyos.template import is_ipv4
from vyos.template import is_ipv6
from vyos.utils.network import is_intf_addr_assigned
@@ -138,9 +140,6 @@ class Interface(Control):
'validate': assert_mtu,
'shellcmd': 'ip link set dev {ifname} mtu {value}',
},
- 'netns': {
- 'shellcmd': 'ip link set dev {ifname} netns {value}',
- },
'vrf': {
'convert': lambda v: f'master {v}' if v else 'nomaster',
'shellcmd': 'ip link set dev {ifname} {value}',
@@ -175,10 +174,6 @@ class Interface(Control):
'validate': assert_boolean,
'location': '/proc/sys/net/ipv4/conf/{ifname}/bc_forwarding',
},
- 'rp_filter': {
- 'validate': lambda flt: assert_range(flt,0,3),
- 'location': '/proc/sys/net/ipv4/conf/{ifname}/rp_filter',
- },
'ipv6_accept_ra': {
'validate': lambda ara: assert_range(ara,0,3),
'location': '/proc/sys/net/ipv6/conf/{ifname}/accept_ra',
@@ -252,9 +247,6 @@ class Interface(Control):
'ipv4_directed_broadcast': {
'location': '/proc/sys/net/ipv4/conf/{ifname}/bc_forwarding',
},
- 'rp_filter': {
- 'location': '/proc/sys/net/ipv4/conf/{ifname}/rp_filter',
- },
'ipv6_accept_ra': {
'location': '/proc/sys/net/ipv6/conf/{ifname}/accept_ra',
},
@@ -286,8 +278,11 @@ class Interface(Control):
}
@classmethod
- def exists(cls, ifname):
- return os.path.exists(f'/sys/class/net/{ifname}')
+ def exists(cls, ifname: str, netns: str=None) -> bool:
+ cmd = f'ip link show dev {ifname}'
+ if netns:
+ cmd = f'ip netns exec {netns} {cmd}'
+ return run(cmd) == 0
@classmethod
def get_config(cls):
@@ -355,7 +350,13 @@ class Interface(Control):
self.vrrp = VRRP(ifname)
def _create(self):
+ # Do not create interface that already exist or exists in netns
+ netns = self.config.get('netns', None)
+ if self.exists(f'{self.ifname}', netns=netns):
+ return
+
cmd = 'ip link add dev {ifname} type {type}'.format(**self.config)
+ if 'netns' in self.config: cmd = f'ip netns exec {netns} {cmd}'
self._cmd(cmd)
def remove(self):
@@ -390,6 +391,9 @@ class Interface(Control):
# after interface removal no other commands should be allowed
# to be called and instead should raise an Exception:
cmd = 'ip link del dev {ifname}'.format(**self.config)
+ # for delete we can't get data from self.config{'netns'}
+ netns = get_interface_namespace(self.ifname)
+ if netns: cmd = f'ip netns exec {netns} {cmd}'
return self._cmd(cmd)
def _set_vrf_ct_zone(self, vrf):
@@ -397,6 +401,10 @@ class Interface(Control):
Add/Remove rules in nftables to associate traffic in VRF to an
individual conntack zone
"""
+ # Don't allow for netns yet
+ if 'netns' in self.config:
+ return None
+
if vrf:
# Get routing table ID for VRF
vrf_table_id = get_interface_config(vrf).get('linkinfo', {}).get(
@@ -540,36 +548,30 @@ class Interface(Control):
if prev_state == 'up':
self.set_admin_state('up')
- def del_netns(self, netns):
- """
- Remove interface from given NETNS.
- """
-
- # If NETNS does not exist then there is nothing to delete
+ def del_netns(self, netns: str) -> bool:
+ """ Remove interface from given network namespace """
+ # If network namespace does not exist then there is nothing to delete
if not os.path.exists(f'/run/netns/{netns}'):
- return None
-
- # As a PoC we only allow 'dummy' interfaces
- if 'dum' not in self.ifname:
- return None
+ return False
- # Check if interface realy exists in namespace
- if get_interface_namespace(self.ifname) != None:
- self._cmd(f'ip netns exec {get_interface_namespace(self.ifname)} ip link del dev {self.ifname}')
- return
+ # Check if interface exists in network namespace
+ if is_netns_interface(self.ifname, netns):
+ self._cmd(f'ip netns exec {netns} ip link del dev {self.ifname}')
+ return True
+ return False
- def set_netns(self, netns):
+ def set_netns(self, netns: str) -> bool:
"""
- Add interface from given NETNS.
+ Add interface from given network namespace
Example:
>>> from vyos.ifconfig import Interface
>>> Interface('dum0').set_netns('foo')
"""
+ self._cmd(f'ip link set dev {self.ifname} netns {netns}')
+ return True
- self.set_interface('netns', netns)
-
- def set_vrf(self, vrf):
+ def set_vrf(self, vrf: str) -> bool:
"""
Add/Remove interface from given VRF instance.
@@ -581,10 +583,11 @@ class Interface(Control):
tmp = self.get_interface('vrf')
if tmp == vrf:
- return None
+ return False
self.set_interface('vrf', vrf)
self._set_vrf_ct_zone(vrf)
+ return True
def set_arp_cache_tmo(self, tmo):
"""
@@ -621,6 +624,10 @@ class Interface(Control):
>>> from vyos.ifconfig import Interface
>>> Interface('eth0').set_tcp_ipv4_mss(1340)
"""
+ # Don't allow for netns yet
+ if 'netns' in self.config:
+ return None
+
self._cleanup_mss_rules('raw', self.ifname)
nft_prefix = 'nft add rule raw VYOS_TCP_MSS'
base_cmd = f'oifname "{self.ifname}" tcp flags & (syn|rst) == syn'
@@ -641,6 +648,10 @@ class Interface(Control):
>>> from vyos.ifconfig import Interface
>>> Interface('eth0').set_tcp_mss(1320)
"""
+ # Don't allow for netns yet
+ if 'netns' in self.config:
+ return None
+
self._cleanup_mss_rules('ip6 raw', self.ifname)
nft_prefix = 'nft add rule ip6 raw VYOS_TCP_MSS'
base_cmd = f'oifname "{self.ifname}" tcp flags & (syn|rst) == syn'
@@ -745,40 +756,36 @@ class Interface(Control):
return None
return self.set_interface('ipv4_directed_broadcast', forwarding)
- def set_ipv4_source_validation(self, value):
- """
- Help prevent attacks used by Spoofing IP Addresses. Reverse path
- filtering is a Kernel feature that, when enabled, is designed to ensure
- packets that are not routable to be dropped. The easiest example of this
- would be and IP Address of the range 10.0.0.0/8, a private IP Address,
- being received on the Internet facing interface of the router.
+ def _cleanup_ipv4_source_validation_rules(self, ifname):
+ results = self._cmd(f'nft -a list chain ip raw vyos_rpfilter').split("\n")
+ for line in results:
+ if f'iifname "{ifname}"' in line:
+ handle_search = re.search('handle (\d+)', line)
+ if handle_search:
+ self._cmd(f'nft delete rule ip raw vyos_rpfilter handle {handle_search[1]}')
- As per RFC3074.
+ def set_ipv4_source_validation(self, mode):
"""
- if value == 'strict':
- value = 1
- elif value == 'loose':
- value = 2
- else:
- value = 0
-
- all_rp_filter = int(read_file('/proc/sys/net/ipv4/conf/all/rp_filter'))
- if all_rp_filter > value:
- global_setting = 'disable'
- if all_rp_filter == 1: global_setting = 'strict'
- elif all_rp_filter == 2: global_setting = 'loose'
-
- from vyos.base import Warning
- Warning(f'Global source-validation is set to "{global_setting}", this '\
- f'overrides per interface setting on "{self.ifname}"!')
+ Set IPv4 reverse path validation
- tmp = self.get_interface('rp_filter')
- if int(tmp) == value:
+ Example:
+ >>> from vyos.ifconfig import Interface
+ >>> Interface('eth0').set_ipv4_source_validation('strict')
+ """
+ # Don't allow for netns yet
+ if 'netns' in self.config:
return None
- return self.set_interface('rp_filter', value)
+
+ self._cleanup_ipv4_source_validation_rules(self.ifname)
+ nft_prefix = f'nft insert rule ip raw vyos_rpfilter iifname "{self.ifname}"'
+ if mode in ['strict', 'loose']:
+ self._cmd(f"{nft_prefix} counter return")
+ if mode == 'strict':
+ self._cmd(f"{nft_prefix} fib saddr . iif oif 0 counter drop")
+ elif mode == 'loose':
+ self._cmd(f"{nft_prefix} fib saddr oif 0 counter drop")
def _cleanup_ipv6_source_validation_rules(self, ifname):
- commands = []
results = self._cmd(f'nft -a list chain ip6 raw vyos_rpfilter').split("\n")
for line in results:
if f'iifname "{ifname}"' in line:
@@ -794,8 +801,14 @@ class Interface(Control):
>>> from vyos.ifconfig import Interface
>>> Interface('eth0').set_ipv6_source_validation('strict')
"""
+ # Don't allow for netns yet
+ if 'netns' in self.config:
+ return None
+
self._cleanup_ipv6_source_validation_rules(self.ifname)
- nft_prefix = f'nft add rule ip6 raw vyos_rpfilter iifname "{self.ifname}"'
+ nft_prefix = f'nft insert rule ip6 raw vyos_rpfilter iifname "{self.ifname}"'
+ if mode in ['strict', 'loose']:
+ self._cmd(f"{nft_prefix} counter return")
if mode == 'strict':
self._cmd(f"{nft_prefix} fib saddr . iif oif 0 counter drop")
elif mode == 'loose':
@@ -1143,13 +1156,17 @@ class Interface(Control):
if addr in self._addr:
return False
+ # get interface network namespace if specified
+ netns = self.config.get('netns', None)
+
# add to interface
if addr == 'dhcp':
self.set_dhcp(True)
elif addr == 'dhcpv6':
self.set_dhcpv6(True)
- elif not is_intf_addr_assigned(self.ifname, addr):
- tmp = f'ip addr add {addr} dev {self.ifname}'
+ elif not is_intf_addr_assigned(self.ifname, addr, netns=netns):
+ netns_cmd = f'ip netns exec {netns}' if netns else ''
+ tmp = f'{netns_cmd} ip addr add {addr} dev {self.ifname}'
# Add broadcast address for IPv4
if is_ipv4(addr): tmp += ' brd +'
@@ -1189,13 +1206,17 @@ class Interface(Control):
if not addr:
raise ValueError()
+ # get interface network namespace if specified
+ netns = self.config.get('netns', None)
+
# remove from interface
if addr == 'dhcp':
self.set_dhcp(False)
elif addr == 'dhcpv6':
self.set_dhcpv6(False)
- elif is_intf_addr_assigned(self.ifname, addr):
- self._cmd(f'ip addr del "{addr}" dev "{self.ifname}"')
+ elif is_intf_addr_assigned(self.ifname, addr, netns=netns):
+ netns_cmd = f'ip netns exec {netns}' if netns else ''
+ self._cmd(f'{netns_cmd} ip addr del {addr} dev {self.ifname}')
else:
return False
@@ -1215,8 +1236,11 @@ class Interface(Control):
self.set_dhcp(False)
self.set_dhcpv6(False)
+ netns = get_interface_namespace(self.ifname)
+ netns_cmd = f'ip netns exec {netns}' if netns else ''
+ cmd = f'{netns_cmd} ip addr flush dev {self.ifname}'
# flush all addresses
- self._cmd(f'ip addr flush dev "{self.ifname}"')
+ self._cmd(cmd)
def add_to_bridge(self, bridge_dict):
"""
@@ -1371,6 +1395,11 @@ class Interface(Control):
# - https://man7.org/linux/man-pages/man8/tc-mirred.8.html
# Depening if we are the source or the target interface of the port
# mirror we need to setup some variables.
+
+ # Don't allow for netns yet
+ if 'netns' in self.config:
+ return None
+
source_if = self.config['ifname']
mirror_config = None
@@ -1471,8 +1500,8 @@ class Interface(Control):
# Since the interface is pushed onto a separate logical stack
# Configure NETNS
if dict_search('netns', config) != None:
- self.set_netns(config.get('netns', ''))
- return
+ if not is_netns_interface(self.ifname, self.config['netns']):
+ self.set_netns(config.get('netns', ''))
else:
self.del_netns(config.get('netns', ''))
diff --git a/python/vyos/ifconfig/vxlan.py b/python/vyos/ifconfig/vxlan.py
index 6a9911588..1fe5db7cd 100644
--- a/python/vyos/ifconfig/vxlan.py
+++ b/python/vyos/ifconfig/vxlan.py
@@ -1,4 +1,4 @@
-# Copyright 2019-2022 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2019-2023 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -13,9 +13,15 @@
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
+from json import loads
+
from vyos import ConfigError
+from vyos.configdict import list_diff
from vyos.ifconfig import Interface
+from vyos.utils.assertion import assert_list
from vyos.utils.dict import dict_search
+from vyos.utils.network import get_interface_config
+from vyos.utils.network import get_vxlan_vlan_tunnels
@Interface.register
class VXLANIf(Interface):
@@ -49,6 +55,13 @@ class VXLANIf(Interface):
}
}
+ _command_set = {**Interface._command_set, **{
+ 'vlan_tunnel': {
+ 'validate': lambda v: assert_list(v, ['on', 'off']),
+ 'shellcmd': 'bridge link set dev {ifname} vlan_tunnel {value}',
+ },
+ }}
+
def _create(self):
# This table represents a mapping from VyOS internal config dict to
# arguments used by iproute2. For more information please refer to:
@@ -99,3 +112,54 @@ class VXLANIf(Interface):
cmd = f'bridge fdb append to 00:00:00:00:00:00 dst {remote} ' \
'port {port} dev {ifname}'
self._cmd(cmd.format(**self.config))
+
+ def set_vlan_vni_mapping(self, state):
+ """
+ Controls whether vlan to tunnel mapping is enabled on the port.
+ By default this flag is off.
+ """
+ if not isinstance(state, bool):
+ raise ValueError('Value out of range')
+
+ cur_vlan_ids = []
+ if 'vlan_to_vni_removed' in self.config:
+ cur_vlan_ids = self.config['vlan_to_vni_removed']
+ for vlan in cur_vlan_ids:
+ self._cmd(f'bridge vlan del dev {self.ifname} vid {vlan}')
+
+ # Determine current OS Kernel vlan_tunnel setting - only adjust when needed
+ tmp = get_interface_config(self.ifname)
+ cur_state = 'on' if dict_search(f'linkinfo.info_slave_data.vlan_tunnel', tmp) == True else 'off'
+ new_state = 'on' if state else 'off'
+ if cur_state != new_state:
+ self.set_interface('vlan_tunnel', new_state)
+
+ # Determine current OS Kernel configured VLANs
+ os_configured_vlan_ids = get_vxlan_vlan_tunnels(self.ifname)
+
+ if 'vlan_to_vni' in self.config:
+ add_vlan = list_diff(list(self.config['vlan_to_vni'].keys()), os_configured_vlan_ids)
+
+ for vlan, vlan_config in self.config['vlan_to_vni'].items():
+ # VLAN mapping already exists - skip
+ if vlan not in add_vlan:
+ continue
+
+ vni = vlan_config['vni']
+ # The following commands must be run one after another,
+ # they can not be combined with linux 6.1 and iproute2 6.1
+ self._cmd(f'bridge vlan add dev {self.ifname} vid {vlan}')
+ self._cmd(f'bridge vlan add dev {self.ifname} vid {vlan} tunnel_info id {vni}')
+
+ def update(self, config):
+ """ General helper function which works on a dictionary retrived by
+ get_config_dict(). It's main intention is to consolidate the scattered
+ interface setup code and provide a single point of entry when workin
+ on any interface. """
+
+ # call base class last
+ super().update(config)
+
+ # Enable/Disable VLAN tunnel mapping
+ # This is only possible after the interface was assigned to the bridge
+ self.set_vlan_vni_mapping(dict_search('vlan_to_vni', config) != None)
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-09 09:25:46 +0000