summaryrefslogtreecommitdiff
path: root/python
diff options
context:
space:
mode:
authorChristian Poessinger <christian@poessinger.com>2019-08-02 11:33:35 +0200
committerChristian Poessinger <christian@poessinger.com>2019-08-02 11:38:27 +0200
commit0faeedf5c381659d62164ee503127bca0b6897fd (patch)
tree3db1e86329b3ec824c903133f3f873089d1680b2 /python
parente667ffa7721bca0672f53c2fc70accdeeaa3c72a (diff)
downloadvyos-1x-0faeedf5c381659d62164ee503127bca0b6897fd.tar.gz
vyos-1x-0faeedf5c381659d62164ee503127bca0b6897fd.zip
[bridge] T1156: first working implementation using Python and XML
Diffstat (limited to 'python')
-rw-r--r--python/vyos/configinterface.py77
1 files changed, 77 insertions, 0 deletions
diff --git a/python/vyos/configinterface.py b/python/vyos/configinterface.py
new file mode 100644
index 000000000..b0d766b9c
--- /dev/null
+++ b/python/vyos/configinterface.py
@@ -0,0 +1,77 @@
+# Copyright 2019 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
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# 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/>.
+
+import os
+
+def set_description(intf, desc):
+ """
+ Sets the interface secription reported usually by SNMP
+ """
+ with open('/sys/class/net/' + intf + '/ifalias', 'w') as f:
+ f.write(desc)
+
+
+def set_arp_cache_timeout(intf, tmoMS):
+ """
+ Configure the ARP cache entry timeout in milliseconds
+ """
+ with open('/proc/sys/net/ipv4/neigh/' + intf + '/base_reachable_time_ms', 'w') as f:
+ f.write(tmoMS)
+
+def set_multicast_querier(intf, enable):
+ """
+ Sets whether the bridge actively runs a multicast querier or not. When a
+ bridge receives a 'multicast host membership' query from another network host,
+ that host is tracked based on the time that the query was received plus the
+ multicast query interval time.
+
+ use enable=1 to enable or enable=0 to disable
+ """
+
+ if int(enable) >= 0 and int(enable) <= 1:
+ with open('/sys/devices/virtual/net/' + intf + '/bridge/multicast_querier', 'w') as f:
+ f.write(str(enable))
+ else:
+ raise ValueError("malformed configuration string on interface {}: enable={}".format(intf, enable))
+
+def set_link_detect(intf, enable):
+ """
+ 0 - Allow packets to be received for the address on this interface
+ even if interface is disabled or no carrier.
+
+ 1 - Ignore packets received if interface associated with the incoming
+ address is down.
+
+ 2 - Ignore packets received if interface associated with the incoming
+ address is down or has no carrier.
+
+ Kernel Source: Documentation/networking/ip-sysctl.txt
+ """
+
+ # Note can't use sysctl it is broken for vif name because of dots
+ # link_filter values:
+ # 0 - always receive
+ # 1 - ignore receive if admin_down
+ # 2 - ignore receive if admin_down or link down
+
+ with open('/proc/sys/net/ipv4/conf/' + intf + '/link_filter', 'w') as f:
+ if enable == True or enable == 1:
+ f.write('2')
+ if os.path.isfile('/usr/bin/vtysh'):
+ os.system('/usr/bin/vtysh -c "configure terminal" -c "interface {}" -c "link-detect"'.format(intf))
+ else:
+ f.write('1')
+ if os.path.isfile('/usr/bin/vtysh'):
+ os.system('/usr/bin/vtysh -c "configure terminal" -c "interface {}" -c "no link-detect"'.format(intf))