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authorPaolo Abeni <pabeni@redhat.com>2015-10-20 10:28:45 +0200
committerDavid S. Miller <davem@davemloft.net>2015-10-23 02:54:54 -0700
commit7b1311807f3d3eb8bef3ccc53127838b3bea3771 (patch)
treeee60267627b26a4237aeb1eaf12279ba4eaf54a0 /net/dccp
parentc0c050c58d840994ba842ad1c338a98e7c12b764 (diff)
ipv4: implement support for NOPREFIXROUTE ifa flag for ipv4 address
Currently adding a new ipv4 address always cause the creation of the related network route, with default metric. When a host has multiple interfaces on the same network, multiple routes with the same metric are created. If the userspace wants to set specific metric on each routes, i.e. giving better metric to ethernet links in respect to Wi-Fi ones, the network routes must be deleted and recreated, which is error-prone. This patch implements the support for IFA_F_NOPREFIXROUTE for ipv4 address. When an address is added with such flag set, no associated network route is created, no network route is deleted when said IP is gone and it's up to the user space manage such route. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
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