1 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h
index 2cd9901ee5c7..15d85fe12bbd 100644
--- a/include/linux/mroute6.h
+++ b/include/linux/mroute6.h
@@ -188,6 +188,9 @@ struct mif_device
 struct mfc6_cache
 {
         struct mfc6_cache *next;                /* Next entry on cache line     */
+#ifdef CONFIG_NET_NS
+        struct net *mfc6_net;
+#endif
         struct in6_addr mf6c_mcastgrp;                  /* Group the entry belongs to   */
         struct in6_addr mf6c_origin;                    /* Source of packet             */
         mifi_t mf6c_parent;                     /* Source interface             */
@@ -210,6 +213,18 @@ struct mfc6_cache
         } mfc_un;
 };
 
+static inline
+struct net *mfc6_net(const struct mfc6_cache *mfc)
+{
+        return read_pnet(&mfc->mfc6_net);
+}
+
+static inline
+void mfc6_net_set(struct mfc6_cache *mfc, struct net *net)
+{
+        write_pnet(&mfc->mfc6_net, hold_net(net));
+}
+
 #define MFC_STATIC              1
 #define MFC_NOTIFY              2