datapath: Add support for kernels 3.13

[sliver-openvswitch.git] / datapath / linux / compat / include / net / genetlink.h

diff --git a/datapath/linux/compat/include/net/genetlink.h b/datapath/linux/compat/include/net/genetlink.h
index 09ee23b..9f425e5 100644 (file)
--- a/datapath/linux/compat/include/net/genetlink.h
+++ b/datapath/linux/compat/include/net/genetlink.h
@@ -17,8 +17,84 @@
 #define portid pid
 #endif
 
-extern void genl_notify(struct sk_buff *skb, struct net *net, u32 portid,
-                       u32 group, struct nlmsghdr *nlh, gfp_t flags);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)
+struct rpl_genl_family {
+       struct genl_family      compat_family;
+       unsigned int            id;
+       unsigned int            hdrsize;
+       char                    name[GENL_NAMSIZ];
+       unsigned int            version;
+       unsigned int            maxattr;
+       bool                    netnsok;
+       bool                    parallel_ops;
+       int                     (*pre_doit)(const struct genl_ops *ops,
+                                           struct sk_buff *skb,
+                                           struct genl_info *info);
+       void                    (*post_doit)(const struct genl_ops *ops,
+                                            struct sk_buff *skb,
+                                            struct genl_info *info);
+       struct nlattr **        attrbuf;        /* private */
+       const struct genl_ops * ops;            /* private */
+       const struct genl_multicast_group *mcgrps; /* private */
+       unsigned int            n_ops;          /* private */
+       unsigned int            n_mcgrps;       /* private */
+       unsigned int            mcgrp_offset;   /* private */
+       struct list_head        family_list;    /* private */
+       struct module           *module;
+};
+
+#define genl_family rpl_genl_family
+#define genl_notify rpl_genl_notify
+void genl_notify(struct genl_family *family,
+                struct sk_buff *skb, struct net *net, u32 portid, u32 group,
+                struct nlmsghdr *nlh, gfp_t flags);
+
+static inline void *rpl_genlmsg_put(struct sk_buff *skb, u32 portid, u32 seq,
+                                   struct genl_family *family, int flags, u8 cmd)
+{
+       return genlmsg_put(skb, portid, seq, &family->compat_family, flags, cmd);
+}
+
+#define genlmsg_put rpl_genlmsg_put
+
+static inline int rpl_genl_unregister_family(struct genl_family *family)
+{
+       return genl_unregister_family(&family->compat_family);
+}
+#define genl_unregister_family rpl_genl_unregister_family
+
+#define genl_set_err rpl_genl_set_err
+static inline int genl_set_err(struct genl_family *family, struct net *net,
+                              u32 portid, u32 group, int code)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
+       netlink_set_err(net->genl_sock, portid, group, code);
+       return 0;
+#else
+       return netlink_set_err(net->genl_sock, portid, group, code);
+#endif
+}
+
+#define genlmsg_multicast_netns rpl_genlmsg_multicast_netns
+static inline int genlmsg_multicast_netns(struct genl_family *family,
+                                         struct net *net, struct sk_buff *skb,
+                                         u32 portid, unsigned int group, gfp_t flags)
+{
+       return nlmsg_multicast(net->genl_sock, skb, portid, group, flags);
+}
+
+
+#define __genl_register_family rpl___genl_register_family
+int rpl___genl_register_family(struct genl_family *family);
+
+#define genl_register_family rpl_genl_register_family
+static inline int rpl_genl_register_family(struct genl_family *family)
+{
+       family->module = THIS_MODULE;
+       return rpl___genl_register_family(family);
+}
+
+#endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(3,14,0)
 static inline struct sk_buff *genlmsg_new_unicast(size_t payload,