diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 36e43bd..890158e 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1456,6 +1456,8 @@ enum netdev_priv_flags {
  *	@netdev_ops:	Includes several pointers to callbacks,
  *			if one wants to override the ndo_*() functions
  *	@ethtool_ops:	Management operations
+ *	@ndisc_ops:	Includes callbacks for different IPv6 neighbour
+ *			discovery handling. Necessary for e.g. 6LoWPAN.
  *	@header_ops:	Includes callbacks for creating,parsing,caching,etc
  *			of Layer 2 headers.
  *
@@ -1672,6 +1674,9 @@ struct net_device {
 #ifdef CONFIG_NET_L3_MASTER_DEV
 	const struct l3mdev_ops	*l3mdev_ops;
 #endif
+#if IS_ENABLED(CONFIG_IPV6)
+	const struct ndisc_ops *ndisc_ops;
+#endif
 
 	const struct header_ops *header_ops;
 
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index c8962ad..a5e2767 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -58,6 +58,7 @@ struct inet6_dev;
 struct net_device;
 struct net_proto_family;
 struct sk_buff;
+struct prefix_info;
 
 extern struct neigh_table nd_tbl;
 
@@ -110,9 +111,182 @@ struct ndisc_options {
 
 #define NDISC_OPT_SPACE(len) (((len)+2+7)&~7)
 
-struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
+struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
+					  u8 *opt, int opt_len,
 					  struct ndisc_options *ndopts);
 
+#define NDISC_OPS_REDIRECT_DATA_SPACE	2
+
+/*
+ * This structure defines the hooks for IPv6 neighbour discovery.
+ * The following hooks can be defined; unless noted otherwise, they are
+ * optional and can be filled with a null pointer.
+ *
+ * int (*is_useropt)(u8 nd_opt_type):
+ *     This function is called when IPv6 decide RA userspace options. if
+ *     this function returns 1 then the option given by nd_opt_type will
+ *     be handled as userspace option additional to the IPv6 options.
+ *
+ * int (*parse_options)(const struct net_device *dev,
+ *			struct nd_opt_hdr *nd_opt,
+ *			struct ndisc_options *ndopts):
+ *     This function is called while parsing ndisc ops and put each position
+ *     as pointer into ndopts. If this function return unequal 0, then this
+ *     function took care about the ndisc option, if 0 then the IPv6 ndisc
+ *     option parser will take care about that option.
+ *
+ * void (*update)(const struct net_device *dev, struct neighbour *n,
+ *		  u32 flags, u8 icmp6_type,
+ *		  const struct ndisc_options *ndopts):
+ *     This function is called when IPv6 ndisc updates the neighbour cache
+ *     entry. Additional options which can be updated may be previously
+ *     parsed by parse_opts callback and accessible over ndopts parameter.
+ *
+ * int (*opt_addr_space)(const struct net_device *dev, u8 icmp6_type,
+ *			 struct neighbour *neigh, u8 *ha_buf,
+ *			 u8 **ha):
+ *     This function is called when the necessary option space will be
+ *     calculated before allocating a skb. The parameters neigh, ha_buf
+ *     abd ha are available on NDISC_REDIRECT messages only.
+ *
+ * void (*fill_addr_option)(const struct net_device *dev,
+ *			    struct sk_buff *skb, u8 icmp6_type,
+ *			    const u8 *ha):
+ *     This function is called when the skb will finally fill the option
+ *     fields inside skb. NOTE: this callback should fill the option
+ *     fields to the skb which are previously indicated by opt_space
+ *     parameter. That means the decision to add such option should
+ *     not lost between these two callbacks, e.g. protected by interface
+ *     up state.
+ *
+ * void (*prefix_rcv_add_addr)(struct net *net, struct net_device *dev,
+ *			       const struct prefix_info *pinfo,
+ *			       struct inet6_dev *in6_dev,
+ *			       struct in6_addr *addr,
+ *			       int addr_type, u32 addr_flags,
+ *			       bool sllao, bool tokenized,
+ *			       __u32 valid_lft, u32 prefered_lft,
+ *			       bool dev_addr_generated):
+ *     This function is called when a RA messages is received with valid
+ *     PIO option fields and an IPv6 address will be added to the interface
+ *     for autoconfiguration. The parameter dev_addr_generated reports about
+ *     if the address was based on dev->dev_addr or not. This can be used
+ *     to add a second address if link-layer operates with two link layer
+ *     addresses. E.g. 802.15.4 6LoWPAN.
+ */
+struct ndisc_ops {
+	int	(*is_useropt)(u8 nd_opt_type);
+	int	(*parse_options)(const struct net_device *dev,
+				 struct nd_opt_hdr *nd_opt,
+				 struct ndisc_options *ndopts);
+	void	(*update)(const struct net_device *dev, struct neighbour *n,
+			  u32 flags, u8 icmp6_type,
+			  const struct ndisc_options *ndopts);
+	int	(*opt_addr_space)(const struct net_device *dev, u8 icmp6_type,
+				  struct neighbour *neigh, u8 *ha_buf,
+				  u8 **ha);
+	void	(*fill_addr_option)(const struct net_device *dev,
+				    struct sk_buff *skb, u8 icmp6_type,
+				    const u8 *ha);
+	void	(*prefix_rcv_add_addr)(struct net *net, struct net_device *dev,
+				       const struct prefix_info *pinfo,
+				       struct inet6_dev *in6_dev,
+				       struct in6_addr *addr,
+				       int addr_type, u32 addr_flags,
+				       bool sllao, bool tokenized,
+				       __u32 valid_lft, u32 prefered_lft,
+				       bool dev_addr_generated);
+};
+
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int ndisc_ops_is_useropt(const struct net_device *dev,
+				       u8 nd_opt_type)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->is_useropt)
+		return dev->ndisc_ops->is_useropt(nd_opt_type);
+	else
+		return 0;
+}
+
+static inline int ndisc_ops_parse_options(const struct net_device *dev,
+					  struct nd_opt_hdr *nd_opt,
+					  struct ndisc_options *ndopts)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->parse_options)
+		return dev->ndisc_ops->parse_options(dev, nd_opt, ndopts);
+	else
+		return 0;
+}
+
+static inline void ndisc_ops_update(const struct net_device *dev,
+					  struct neighbour *n, u32 flags,
+					  u8 icmp6_type,
+					  const struct ndisc_options *ndopts)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->update)
+		dev->ndisc_ops->update(dev, n, flags, icmp6_type, ndopts);
+}
+
+static inline int ndisc_ops_opt_addr_space(const struct net_device *dev,
+					   u8 icmp6_type)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->opt_addr_space &&
+	    icmp6_type != NDISC_REDIRECT)
+		return dev->ndisc_ops->opt_addr_space(dev, icmp6_type, NULL,
+						      NULL, NULL);
+	else
+		return 0;
+}
+
+static inline int ndisc_ops_redirect_opt_addr_space(const struct net_device *dev,
+						    struct neighbour *neigh,
+						    u8 *ha_buf, u8 **ha)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->opt_addr_space)
+		return dev->ndisc_ops->opt_addr_space(dev, NDISC_REDIRECT,
+						      neigh, ha_buf, ha);
+	else
+		return 0;
+}
+
+static inline void ndisc_ops_fill_addr_option(const struct net_device *dev,
+					      struct sk_buff *skb,
+					      u8 icmp6_type)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->fill_addr_option &&
+	    icmp6_type != NDISC_REDIRECT)
+		dev->ndisc_ops->fill_addr_option(dev, skb, icmp6_type, NULL);
+}
+
+static inline void ndisc_ops_fill_redirect_addr_option(const struct net_device *dev,
+						       struct sk_buff *skb,
+						       const u8 *ha)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->fill_addr_option)
+		dev->ndisc_ops->fill_addr_option(dev, skb, NDISC_REDIRECT, ha);
+}
+
+static inline void ndisc_ops_prefix_rcv_add_addr(struct net *net,
+						 struct net_device *dev,
+						 const struct prefix_info *pinfo,
+						 struct inet6_dev *in6_dev,
+						 struct in6_addr *addr,
+						 int addr_type, u32 addr_flags,
+						 bool sllao, bool tokenized,
+						 __u32 valid_lft,
+						 u32 prefered_lft,
+						 bool dev_addr_generated)
+{
+	if (dev->ndisc_ops && dev->ndisc_ops->prefix_rcv_add_addr)
+		dev->ndisc_ops->prefix_rcv_add_addr(net, dev, pinfo, in6_dev,
+						    addr, addr_type,
+						    addr_flags, sllao,
+						    tokenized, valid_lft,
+						    prefered_lft,
+						    dev_addr_generated);
+}
+#endif
+
 /*
  * Return the padding between the option length and the start of the
  * link addr.  Currently only IP-over-InfiniBand needs this, although
@@ -132,11 +306,25 @@ static inline int __ndisc_opt_addr_space(unsigned char addr_len, int pad)
 	return NDISC_OPT_SPACE(addr_len + pad);
 }
 
-static inline int ndisc_opt_addr_space(struct net_device *dev)
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int ndisc_opt_addr_space(struct net_device *dev, u8 icmp6_type)
+{
+	return __ndisc_opt_addr_space(dev->addr_len,
+				      ndisc_addr_option_pad(dev->type)) +
+		ndisc_ops_opt_addr_space(dev, icmp6_type);
+}
+
+static inline int ndisc_redirect_opt_addr_space(struct net_device *dev,
+						struct neighbour *neigh,
+						u8 *ops_data_buf,
+						u8 **ops_data)
 {
 	return __ndisc_opt_addr_space(dev->addr_len,
-				      ndisc_addr_option_pad(dev->type));
+				      ndisc_addr_option_pad(dev->type)) +
+		ndisc_ops_redirect_opt_addr_space(dev, neigh, ops_data_buf,
+						  ops_data);
 }
+#endif
 
 static inline u8 *__ndisc_opt_addr_data(struct nd_opt_hdr *p,
 					unsigned char addr_len, int prepad)
@@ -205,6 +393,9 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target);
 int ndisc_mc_map(const struct in6_addr *addr, char *buf, struct net_device *dev,
 		 int dir);
 
+void ndisc_update(const struct net_device *dev, struct neighbour *neigh,
+		  const u8 *lladdr, u8 new, u32 flags, u8 icmp6_type,
+		  struct ndisc_options *ndopts);
 
 /*
  *	IGMP
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 0ca31e1..2d678c0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2531,7 +2531,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
 
 	if (pinfo->autoconf && in6_dev->cnf.autoconf) {
 		struct in6_addr addr;
-		bool tokenized = false;
+		bool tokenized = false, dev_addr_generated = false;
 
 		if (pinfo->prefix_len == 64) {
 			memcpy(&addr, &pinfo->prefix, 8);
@@ -2550,6 +2550,8 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
 			} else if (ipv6_generate_eui64(addr.s6_addr + 8, dev) &&
 				   ipv6_inherit_eui64(addr.s6_addr + 8, in6_dev)) {
 				goto put;
+			} else {
+				dev_addr_generated = true;
 			}
 			goto ok;
 		}
@@ -2565,6 +2567,15 @@ ok:
 						   prefered_lft);
 		if (err)
 			goto put;
+
+		/* Ignore error case here because previous prefix add addr was
+		 * successful which will be notified.
+		 */
+		ndisc_ops_prefix_rcv_add_addr(net, dev, pinfo, in6_dev, &addr,
+					      addr_type, addr_flags, sllao,
+					      tokenized, valid_lft,
+					      prefered_lft,
+					      dev_addr_generated);
 	}
 	inet6_prefix_notify(RTM_NEWPREFIX, in6_dev, pinfo);
 put:
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index a7b9468..2f4afd1 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -172,10 +172,19 @@ static void __ndisc_fill_addr_option(struct sk_buff *skb, int type, void *data,
 }
 
 static inline void ndisc_fill_addr_option(struct sk_buff *skb, int type,
-					  void *data)
+					  void *data, u8 icmp6_type)
 {
 	__ndisc_fill_addr_option(skb, type, data, skb->dev->addr_len,
 				 ndisc_addr_option_pad(skb->dev->type));
+	ndisc_ops_fill_addr_option(skb->dev, skb, icmp6_type);
+}
+
+static inline void ndisc_fill_redirect_addr_option(struct sk_buff *skb,
+						   void *ha,
+						   const u8 *ops_data)
+{
+	ndisc_fill_addr_option(skb, ND_OPT_TARGET_LL_ADDR, ha, NDISC_REDIRECT);
+	ndisc_ops_fill_redirect_addr_option(skb->dev, skb, ops_data);
 }
 
 static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
@@ -191,24 +200,28 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
 	return cur <= end && cur->nd_opt_type == type ? cur : NULL;
 }
 
-static inline int ndisc_is_useropt(struct nd_opt_hdr *opt)
+static inline int ndisc_is_useropt(const struct net_device *dev,
+				   struct nd_opt_hdr *opt)
 {
 	return opt->nd_opt_type == ND_OPT_RDNSS ||
-		opt->nd_opt_type == ND_OPT_DNSSL;
+		opt->nd_opt_type == ND_OPT_DNSSL ||
+		ndisc_ops_is_useropt(dev, opt->nd_opt_type);
 }
 
-static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
+static struct nd_opt_hdr *ndisc_next_useropt(const struct net_device *dev,
+					     struct nd_opt_hdr *cur,
 					     struct nd_opt_hdr *end)
 {
 	if (!cur || !end || cur >= end)
 		return NULL;
 	do {
 		cur = ((void *)cur) + (cur->nd_opt_len << 3);
-	} while (cur < end && !ndisc_is_useropt(cur));
-	return cur <= end && ndisc_is_useropt(cur) ? cur : NULL;
+	} while (cur < end && !ndisc_is_useropt(dev, cur));
+	return cur <= end && ndisc_is_useropt(dev, cur) ? cur : NULL;
 }
 
-struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
+struct ndisc_options *ndisc_parse_options(const struct net_device *dev,
+					  u8 *opt, int opt_len,
 					  struct ndisc_options *ndopts)
 {
 	struct nd_opt_hdr *nd_opt = (struct nd_opt_hdr *)opt;
@@ -223,6 +236,8 @@ struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
 		l = nd_opt->nd_opt_len << 3;
 		if (opt_len < l || l == 0)
 			return NULL;
+		if (ndisc_ops_parse_options(dev, nd_opt, ndopts))
+			goto next_opt;
 		switch (nd_opt->nd_opt_type) {
 		case ND_OPT_SOURCE_LL_ADDR:
 		case ND_OPT_TARGET_LL_ADDR:
@@ -249,7 +264,7 @@ struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
 			break;
 #endif
 		default:
-			if (ndisc_is_useropt(nd_opt)) {
+			if (ndisc_is_useropt(dev, nd_opt)) {
 				ndopts->nd_useropts_end = nd_opt;
 				if (!ndopts->nd_useropts)
 					ndopts->nd_useropts = nd_opt;
@@ -266,6 +281,7 @@ struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
 					  nd_opt->nd_opt_len);
 			}
 		}
+next_opt:
 		opt_len -= l;
 		nd_opt = ((void *)nd_opt) + l;
 	}
@@ -515,7 +531,8 @@ void ndisc_send_na(struct net_device *dev, const struct in6_addr *daddr,
 	if (!dev->addr_len)
 		inc_opt = 0;
 	if (inc_opt)
-		optlen += ndisc_opt_addr_space(dev);
+		optlen += ndisc_opt_addr_space(dev,
+					       NDISC_NEIGHBOUR_ADVERTISEMENT);
 
 	skb = ndisc_alloc_skb(dev, sizeof(*msg) + optlen);
 	if (!skb)
@@ -534,8 +551,8 @@ void ndisc_send_na(struct net_device *dev, const struct in6_addr *daddr,
 
 	if (inc_opt)
 		ndisc_fill_addr_option(skb, ND_OPT_TARGET_LL_ADDR,
-				       dev->dev_addr);
-
+				       dev->dev_addr,
+				       NDISC_NEIGHBOUR_ADVERTISEMENT);
 
 	ndisc_send_skb(skb, daddr, src_addr);
 }
@@ -580,7 +597,8 @@ void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit,
 	if (ipv6_addr_any(saddr))
 		inc_opt = false;
 	if (inc_opt)
-		optlen += ndisc_opt_addr_space(dev);
+		optlen += ndisc_opt_addr_space(dev,
+					       NDISC_NEIGHBOUR_SOLICITATION);
 
 	skb = ndisc_alloc_skb(dev, sizeof(*msg) + optlen);
 	if (!skb)
@@ -596,7 +614,8 @@ void ndisc_send_ns(struct net_device *dev, const struct in6_addr *solicit,
 
 	if (inc_opt)
 		ndisc_fill_addr_option(skb, ND_OPT_SOURCE_LL_ADDR,
-				       dev->dev_addr);
+				       dev->dev_addr,
+				       NDISC_NEIGHBOUR_SOLICITATION);
 
 	ndisc_send_skb(skb, daddr, saddr);
 }
@@ -632,7 +651,7 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
 	}
 #endif
 	if (send_sllao)
-		optlen += ndisc_opt_addr_space(dev);
+		optlen += ndisc_opt_addr_space(dev, NDISC_ROUTER_SOLICITATION);
 
 	skb = ndisc_alloc_skb(dev, sizeof(*msg) + optlen);
 	if (!skb)
@@ -647,7 +666,8 @@ void ndisc_send_rs(struct net_device *dev, const struct in6_addr *saddr,
 
 	if (send_sllao)
 		ndisc_fill_addr_option(skb, ND_OPT_SOURCE_LL_ADDR,
-				       dev->dev_addr);
+				       dev->dev_addr,
+				       NDISC_ROUTER_SOLICITATION);
 
 	ndisc_send_skb(skb, daddr, saddr);
 }
@@ -708,6 +728,15 @@ static int pndisc_is_router(const void *pkey,
 	return ret;
 }
 
+void ndisc_update(const struct net_device *dev, struct neighbour *neigh,
+		  const u8 *lladdr, u8 new, u32 flags, u8 icmp6_type,
+		  struct ndisc_options *ndopts)
+{
+	neigh_update(neigh, lladdr, new, flags);
+	/* report ndisc ops about neighbour update */
+	ndisc_ops_update(dev, neigh, flags, icmp6_type, ndopts);
+}
+
 static void ndisc_recv_ns(struct sk_buff *skb)
 {
 	struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
@@ -744,7 +773,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 		return;
 	}
 
-	if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
+	if (!ndisc_parse_options(dev, msg->opt, ndoptlen, &ndopts)) {
 		ND_PRINTK(2, warn, "NS: invalid ND options\n");
 		return;
 	}
@@ -862,9 +891,10 @@ have_ifp:
 	neigh = __neigh_lookup(&nd_tbl, saddr, dev,
 			       !inc || lladdr || !dev->addr_len);
 	if (neigh)
-		neigh_update(neigh, lladdr, NUD_STALE,
+		ndisc_update(dev, neigh, lladdr, NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|
-			     NEIGH_UPDATE_F_OVERRIDE);
+			     NEIGH_UPDATE_F_OVERRIDE,
+			     NDISC_NEIGHBOUR_SOLICITATION, &ndopts);
 	if (neigh || !dev->header_ops) {
 		ndisc_send_na(dev, saddr, &msg->target, !!is_router,
 			      true, (ifp != NULL && inc), inc);
@@ -917,7 +947,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
 	    idev->cnf.drop_unsolicited_na)
 		return;
 
-	if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) {
+	if (!ndisc_parse_options(dev, msg->opt, ndoptlen, &ndopts)) {
 		ND_PRINTK(2, warn, "NS: invalid ND option\n");
 		return;
 	}
@@ -973,12 +1003,13 @@ static void ndisc_recv_na(struct sk_buff *skb)
 			goto out;
 		}
 
-		neigh_update(neigh, lladdr,
+		ndisc_update(dev, neigh, lladdr,
 			     msg->icmph.icmp6_solicited ? NUD_REACHABLE : NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 			     (msg->icmph.icmp6_override ? NEIGH_UPDATE_F_OVERRIDE : 0)|
 			     NEIGH_UPDATE_F_OVERRIDE_ISROUTER|
-			     (msg->icmph.icmp6_router ? NEIGH_UPDATE_F_ISROUTER : 0));
+			     (msg->icmph.icmp6_router ? NEIGH_UPDATE_F_ISROUTER : 0),
+			     NDISC_NEIGHBOUR_ADVERTISEMENT, &ndopts);
 
 		if ((old_flags & ~neigh->flags) & NTF_ROUTER) {
 			/*
@@ -1023,7 +1054,7 @@ static void ndisc_recv_rs(struct sk_buff *skb)
 		goto out;
 
 	/* Parse ND options */
-	if (!ndisc_parse_options(rs_msg->opt, ndoptlen, &ndopts)) {
+	if (!ndisc_parse_options(skb->dev, rs_msg->opt, ndoptlen, &ndopts)) {
 		ND_PRINTK(2, notice, "NS: invalid ND option, ignored\n");
 		goto out;
 	}
@@ -1037,10 +1068,11 @@ static void ndisc_recv_rs(struct sk_buff *skb)
 
 	neigh = __neigh_lookup(&nd_tbl, saddr, skb->dev, 1);
 	if (neigh) {
-		neigh_update(neigh, lladdr, NUD_STALE,
+		ndisc_update(skb->dev, neigh, lladdr, NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 			     NEIGH_UPDATE_F_OVERRIDE|
-			     NEIGH_UPDATE_F_OVERRIDE_ISROUTER);
+			     NEIGH_UPDATE_F_OVERRIDE_ISROUTER,
+			     NDISC_ROUTER_SOLICITATION, &ndopts);
 		neigh_release(neigh);
 	}
 out:
@@ -1141,7 +1173,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 		return;
 	}
 
-	if (!ndisc_parse_options(opt, optlen, &ndopts)) {
+	if (!ndisc_parse_options(skb->dev, opt, optlen, &ndopts)) {
 		ND_PRINTK(2, warn, "RA: invalid ND options\n");
 		return;
 	}
@@ -1335,11 +1367,12 @@ skip_linkparms:
 				goto out;
 			}
 		}
-		neigh_update(neigh, lladdr, NUD_STALE,
+		ndisc_update(skb->dev, neigh, lladdr, NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 			     NEIGH_UPDATE_F_OVERRIDE|
 			     NEIGH_UPDATE_F_OVERRIDE_ISROUTER|
-			     NEIGH_UPDATE_F_ISROUTER);
+			     NEIGH_UPDATE_F_ISROUTER,
+			     NDISC_ROUTER_ADVERTISEMENT, &ndopts);
 	}
 
 	if (!ipv6_accept_ra(in6_dev)) {
@@ -1427,7 +1460,8 @@ skip_routeinfo:
 		struct nd_opt_hdr *p;
 		for (p = ndopts.nd_useropts;
 		     p;
-		     p = ndisc_next_useropt(p, ndopts.nd_useropts_end)) {
+		     p = ndisc_next_useropt(skb->dev, p,
+					    ndopts.nd_useropts_end)) {
 			ndisc_ra_useropt(skb, p);
 		}
 	}
@@ -1465,7 +1499,7 @@ static void ndisc_redirect_rcv(struct sk_buff *skb)
 		return;
 	}
 
-	if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts))
+	if (!ndisc_parse_options(skb->dev, msg->opt, ndoptlen, &ndopts))
 		return;
 
 	if (!ndopts.nd_opts_rh) {
@@ -1510,7 +1544,8 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
 	struct dst_entry *dst;
 	struct flowi6 fl6;
 	int rd_len;
-	u8 ha_buf[MAX_ADDR_LEN], *ha = NULL;
+	u8 ha_buf[MAX_ADDR_LEN], *ha = NULL,
+	   ops_data_buf[NDISC_OPS_REDIRECT_DATA_SPACE], *ops_data = NULL;
 	int oif = l3mdev_fib_oif(dev);
 	bool ret;
 
@@ -1569,7 +1604,9 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
 			memcpy(ha_buf, neigh->ha, dev->addr_len);
 			read_unlock_bh(&neigh->lock);
 			ha = ha_buf;
-			optlen += ndisc_opt_addr_space(dev);
+			optlen += ndisc_redirect_opt_addr_space(dev, neigh,
+								ops_data_buf,
+								&ops_data);
 		} else
 			read_unlock_bh(&neigh->lock);
 
@@ -1600,7 +1637,7 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target)
 	 */
 
 	if (ha)
-		ndisc_fill_addr_option(buff, ND_OPT_TARGET_LL_ADDR, ha);
+		ndisc_fill_redirect_addr_option(buff, ha, ops_data);
 
 	/*
 	 *	build redirect option and copy skb over to the new packet.
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c6ae6f9..af6f711 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2200,7 +2200,7 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu
 	 *	first-hop router for the specified ICMP Destination Address.
 	 */
 
-	if (!ndisc_parse_options(msg->opt, optlen, &ndopts)) {
+	if (!ndisc_parse_options(skb->dev, msg->opt, optlen, &ndopts)) {
 		net_dbg_ratelimited("rt6_redirect: invalid ND options\n");
 		return;
 	}
@@ -2235,12 +2235,12 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu
 	 *	We have finally decided to accept it.
 	 */
 
-	neigh_update(neigh, lladdr, NUD_STALE,
+	ndisc_update(skb->dev, neigh, lladdr, NUD_STALE,
 		     NEIGH_UPDATE_F_WEAK_OVERRIDE|
 		     NEIGH_UPDATE_F_OVERRIDE|
 		     (on_link ? 0 : (NEIGH_UPDATE_F_OVERRIDE_ISROUTER|
-				     NEIGH_UPDATE_F_ISROUTER))
-		     );
+				     NEIGH_UPDATE_F_ISROUTER)),
+		     NDISC_REDIRECT, &ndopts);
 
 	nrt = ip6_rt_cache_alloc(rt, &msg->dest, NULL);
 	if (!nrt)
