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net: bridge: vlan: add rtm definitions and dump support

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This patch adds vlan rtm definitions:
 - NEWVLAN: to be used for creating vlans, setting options and
   notifications
 - DELVLAN: to be used for deleting vlans
 - GETVLAN: used for dumping vlan information

Dumping vlans which can span multiple messages is added now with basic
information (vid and flags). We use nlmsg_parse() to validate the header
length in order to be able to extend the message with filtering
attributes later.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov
2020-01-14 19:56:09 +02:00
committed by David S. Miller
parent 8f4cc940a1
commit 8dcea18708
6 changed files with 203 additions and 1 deletions
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2
net/bridge/br_netlink.c
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@@ -1657,6 +1657,7 @@ int __init br_netlink_init(void)
int err;
br_mdb_init();
br_vlan_rtnl_init();
rtnl_af_register(&br_af_ops);
err = rtnl_link_register(&br_link_ops);
@@ -1674,6 +1675,7 @@ out_af:
void br_netlink_fini(void)
{
br_mdb_uninit();
br_vlan_rtnl_uninit();
rtnl_af_unregister(&br_af_ops);
rtnl_link_unregister(&br_link_ops);
}