datapath/linux/compat/genetlink-openvswitch.c

   1 #include <net/genetlink.h>
   2 #include <linux/version.h>
   3
   4 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
   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
  25 int rpl___genl_register_family(struct rpl_genl_family *f)
  26 {
  27         int err;
  28
  29         f->compat_family.id = f->id;
  30         f->compat_family.hdrsize = f->hdrsize;
  31         strncpy(f->compat_family.name, f->name, GENL_NAMSIZ);
  32         f->compat_family.version = f->version;
  33         f->compat_family.maxattr = f->maxattr;
  34         f->compat_family.netnsok = f->netnsok;
  35 #ifdef HAVE_PARALLEL_OPS
  36         f->compat_family.parallel_ops = f->parallel_ops;
  37 #endif
  38         err = genl_register_family_with_ops(&f->compat_family,
  39                                             (struct genl_ops *) f->ops, f->n_ops);
  40         if (err)
  41                 goto error;
  42
  43         if (f->mcgrps) {
  44                 /* Need to Fix GROUP_ID() for more than one group. */
  45                 BUG_ON(f->n_mcgrps > 1);
  46                 err = genl_register_mc_group(&f->compat_family,
  47                                              (struct genl_multicast_group *) f->mcgrps);
  48                 if (err)
  49                         goto error;
  50         }
  51 error:
  52         return err;
  53
  54 }
  55 #endif /* kernel version < 3.13.0 */