datapath/linux/compat/genetlink-openvswitch.c

   1 #include <net/genetlink.h>
   2 #include <linux/version.h>
   3
   4 #ifndef HAVE_GENL_NOTIFY_TAKES_FAMILY
   5
   6 #undef genl_notify
   7
   8 void rpl_genl_notify(struct rpl_genl_family *family, struct sk_buff *skb,
   9                      struct net *net, u32 portid, u32 group,
  10                      struct nlmsghdr *nlh, gfp_t flags)
  11 {
  12 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
  13         struct sock *sk = net->genl_sock;
  14         int report = 0;
  15
  16         if (nlh)
  17                 report = nlmsg_report(nlh);
  18
  19         nlmsg_notify(sk, skb, portid, group, report, flags);
  20 #else
  21         genl_notify(skb, net, portid, group, nlh, flags);
  22 #endif
  23 }
  24 EXPORT_SYMBOL_GPL(rpl_genl_notify);
  25
  26 int rpl___genl_register_family(struct rpl_genl_family *f)
  27 {
  28         int err;
  29
  30         f->compat_family.id = f->id;
  31         f->compat_family.hdrsize = f->hdrsize;
  32         strncpy(f->compat_family.name, f->name, GENL_NAMSIZ);
  33         f->compat_family.version = f->version;
  34         f->compat_family.maxattr = f->maxattr;
  35         f->compat_family.netnsok = f->netnsok;
  36 #ifdef HAVE_PARALLEL_OPS
  37         f->compat_family.parallel_ops = f->parallel_ops;
  38 #endif
  39         err = genl_register_family_with_ops(&f->compat_family,
  40                                             (struct genl_ops *) f->ops, f->n_ops);
  41         if (err)
  42                 goto error;
  43
  44         if (f->mcgrps) {
  45                 /* Need to Fix GROUP_ID() for more than one group. */
  46                 BUG_ON(f->n_mcgrps > 1);
  47                 err = genl_register_mc_group(&f->compat_family,
  48                                              (struct genl_multicast_group *) f->mcgrps);
  49                 if (err)
  50                         goto error;
  51         }
  52 error:
  53         return err;
  54
  55 }
  56 EXPORT_SYMBOL_GPL(rpl___genl_register_family);
  57
  58 #endif /* kernel version < 3.13.0 */