1 files changed, 101 insertions, 0 deletions
diff --git a/backport-include/net/genetlink.h b/backport-include/net/genetlink.h
new file mode 100644
index 0000000..4458a10
--- /dev/null
+++ b/backport-include/net/genetlink.h
@@ -0,0 +1,101 @@
+#ifndef __BACKPORT_NET_GENETLINK_H
+#define __BACKPORT_NET_GENETLINK_H
+#include_next <net/genetlink.h>
+
+/* this is for patches we apply */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
+#define genl_info_snd_portid(__genl_info) (__genl_info->snd_pid)
+#else
+#define genl_info_snd_portid(__genl_info) (__genl_info->snd_portid)
+#endif
+
+#ifndef GENLMSG_DEFAULT_SIZE
+#define GENLMSG_DEFAULT_SIZE (NLMSG_DEFAULT_SIZE - GENL_HDRLEN)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)
+#define genl_dump_check_consistent(cb, user_hdr, family)
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
+struct compat_genl_info {
+	struct genl_info *info;
+
+	u32 snd_seq;
+	u32 snd_pid;
+	struct genlmsghdr *genlhdr;
+	struct nlattr **attrs;
+	void *user_ptr[2];
+};
+#define genl_info compat_genl_info
+
+struct compat_genl_ops {
+	struct genl_ops ops;
+
+	u8 cmd;
+	u8 internal_flags;
+	unsigned int flags;
+	const struct nla_policy *policy;
+
+	int (*doit)(struct sk_buff *skb, struct genl_info *info);
+	int (*dumpit)(struct sk_buff *skb, struct netlink_callback *cb);
+	int (*done)(struct netlink_callback *cb);
+};
+#define genl_ops compat_genl_ops
+
+struct compat_genl_family {
+	struct genl_family family;
+
+	struct list_head list;
+
+	unsigned int id, hdrsize, version, maxattr;
+	const char *name;
+	bool netnsok;
+
+	struct nlattr **attrbuf;
+
+	int (*pre_doit)(struct genl_ops *ops, struct sk_buff *skb,
+			struct genl_info *info);
+
+	void (*post_doit)(struct genl_ops *ops, struct sk_buff *skb,
+			  struct genl_info *info);
+};
+
+#define genl_family compat_genl_family
+
+#define genl_register_family_with_ops compat_genl_register_family_with_ops
+
+int genl_register_family_with_ops(struct genl_family *family,
+				  struct genl_ops *ops, size_t n_ops);
+
+#define genl_unregister_family compat_genl_unregister_family
+
+int genl_unregister_family(struct genl_family *family);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#define genl_info_net(_info) genl_info_net((_info)->info)
+#endif
+
+#define genlmsg_reply(_msg, _info) genlmsg_reply(_msg, (_info)->info)
+#define genlmsg_put(_skb, _pid, _seq, _fam, _flags, _cmd) genlmsg_put(_skb, _pid, _seq, &(_fam)->family, _flags, _cmd)
+#define genl_register_mc_group(_fam, _grp) genl_register_mc_group(&(_fam)->family, _grp)
+#define genl_unregister_mc_group(_fam, _grp) genl_unregister_mc_group(&(_fam)->family, _grp)
+#endif /* < 2.6.37 */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
+/*
+ * struct genl_multicast_group was made netns aware through
+ * patch "genetlink: make netns aware" by johannes, we just
+ * force this to always use the default init_net
+ */
+#define genl_info_net(x) &init_net
+/* Just use init_net for older kernels */
+#define get_net_ns_by_pid(x) &init_net
+
+/* net namespace is lost */
+#define genlmsg_multicast_netns(a, b, c, d, e)	genlmsg_multicast(b, c, d, e)
+#define genlmsg_multicast_allns(a, b, c, d)	genlmsg_multicast(a, b, c, d)
+#define genlmsg_unicast(net, skb, pid)	genlmsg_unicast(skb, pid)
+#endif
+
+#endif /* __BACKPORT_NET_GENETLINK_H */