Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index ddfbb59..b2f715c 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -2,6 +2,8 @@
#ifndef _NDISC_H
#define _NDISC_H
+#include <net/ipv6_stubs.h>
+
/*
* ICMP codes for neighbour discovery messages
*/
@@ -38,6 +40,7 @@
ND_OPT_RDNSS = 25, /* RFC5006 */
ND_OPT_DNSSL = 31, /* RFC6106 */
ND_OPT_6CO = 34, /* RFC6775 */
+ ND_OPT_CAPTIVE_PORTAL = 37, /* RFC7710 */
__ND_OPT_MAX
};
@@ -379,6 +382,14 @@
return ___neigh_lookup_noref(&nd_tbl, neigh_key_eq128, ndisc_hashfn, pkey, dev);
}
+static inline
+struct neighbour *__ipv6_neigh_lookup_noref_stub(struct net_device *dev,
+ const void *pkey)
+{
+ return ___neigh_lookup_noref(ipv6_stub->nd_tbl, neigh_key_eq128,
+ ndisc_hashfn, pkey, dev);
+}
+
static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, const void *pkey)
{
struct neighbour *n;
@@ -409,6 +420,36 @@
rcu_read_unlock_bh();
}
+static inline void __ipv6_confirm_neigh_stub(struct net_device *dev,
+ const void *pkey)
+{
+ struct neighbour *n;
+
+ rcu_read_lock_bh();
+ n = __ipv6_neigh_lookup_noref_stub(dev, pkey);
+ if (n) {
+ unsigned long now = jiffies;
+
+ /* avoid dirtying neighbour */
+ if (n->confirmed != now)
+ n->confirmed = now;
+ }
+ rcu_read_unlock_bh();
+}
+
+/* uses ipv6_stub and is meant for use outside of IPv6 core */
+static inline struct neighbour *ip_neigh_gw6(struct net_device *dev,
+ const void *addr)
+{
+ struct neighbour *neigh;
+
+ neigh = __ipv6_neigh_lookup_noref_stub(dev, addr);
+ if (unlikely(!neigh))
+ neigh = __neigh_create(ipv6_stub->nd_tbl, addr, dev, false);
+
+ return neigh;
+}
+
int ndisc_init(void);
int ndisc_late_init(void);