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authorRobert Shearman <rshearma@brocade.com>2016-02-19 09:43:16 +0000
committerDavid S. Miller <davem@davemloft.net>2016-02-21 22:00:28 -0500
commit745041e2aaf1d668f293aaab4b0f6ad7daa056a5 (patch)
tree74e23fcbb1a49a34efe08a4cdb2fa3ea910c3123 /net/mpls
parente817af27e01f9294055a441d1034bbc353ee39d2 (diff)
downloadlinux-745041e2aaf1d668f293aaab4b0f6ad7daa056a5.tar.bz2
lwtunnel: autoload of lwt modules
The lwt implementations using net devices can autoload using the existing mechanism using IFLA_INFO_KIND. However, there's no mechanism that lwt modules not using net devices can use. Therefore, add the ability to autoload modules registering lwt operations for lwt implementations not using a net device so that users don't have to manually load the modules. Only users with the CAP_NET_ADMIN capability can cause modules to be loaded, which is ensured by rtnetlink_rcv_msg rejecting non-RTM_GETxxx messages for users without this capability, and by lwtunnel_build_state not being called in response to RTM_GETxxx messages. Signed-off-by: Robert Shearman <rshearma@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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