[Bug 1266749] [NEW] openvswitch-datapath-dkms fails to build with 3.13 kernel

[James Page]

Public bug reported:

Fair amount of refactoring in multicast networking in the new upstream
API:

  CC [M]  /var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.o
In file included from /var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:52:0:
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/compat/include/net/genetlink.h:20:13: error: conflicting types for ‘genl_notify’
 extern void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
             ^
In file included from /var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/compat/include/net/genetlink.h:7:0,
                 from /var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:52:
include/net/genetlink.h:176:6: note: previous declaration of ‘genl_notify’ was here
 void genl_notify(struct genl_family *family,
      ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c: In function ‘ovs_notify’:
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:73:10: error: ‘struct genl_multicast_group’ has no member named ‘id’
       grp->id, info->nlhdr, GFP_KERNEL);
          ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c: In function ‘ovs_flow_cmd_new_or_set’:
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:1387:32: error: ‘struct genl_multicast_group’ has no member named ‘id’
     ovs_dp_flow_multicast_group.id, PTR_ERR(reply));
                                ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c: In function ‘ovs_dp_cmd_set’:
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:1831:36: error: ‘struct genl_multicast_group’ has no member named ‘id’
     ovs_dp_datapath_multicast_group.id, err);
                                    ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c: In function ‘dp_register_genl’:
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:2328:19: error: macro "genl_register_family_with_ops" passed 3 arguments, but takes just 2
           f->n_ops);
                   ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:2327:9: error: ‘genl_register_family_with_ops’ undeclared (first use in this function)
   err = genl_register_family_with_ops(f->family, f->ops,
         ^
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:2327:9: note: each undeclared identifier is reported only once for each function it appears in
/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.c:2334:4: error: implicit declaration of function ‘genl_register_mc_group’ [-Werror=implicit-function-declaration]
    err = genl_register_mc_group(f->family, f->group);
    ^
cc1: some warnings being treated as errors
make[2]: *** [/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux/datapath.o] Error 1
make[1]: *** [_module_/var/lib/dkms/openvswitch/2.0.1+git20140106/source/datapath/linux] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-3.13.0-0-generic'
make: *** [default] Error 2

** Affects: openvswitch (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  openvswitch-datapath-dkms fails to build with 3.13 kernel

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