4 files changed, 38 insertions, 12 deletions

diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index af10c2cf8a1d..6c92415311ca 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -27,10 +27,18 @@ struct genl_info;
  * @maxattr: maximum number of attributes supported
  * @netnsok: set to true if the family can handle network
  *      namespaces and should be presented in all of them
+ * @parallel_ops: operations can be called in parallel and aren't
+ *      synchronized by the core genetlink code
  * @pre_doit: called before an operation's doit callback, it may
  *      do additional, common, filtering and return an error
  * @post_doit: called after an operation's doit callback, it may
  *      undo operations done by pre_doit, for example release locks
+ * @mcast_bind: a socket bound to the given multicast group (which
+ *      is given as the offset into the groups array)
+ * @mcast_unbind: a socket was unbound from the given multicast group.
+ *      Note that unbind() will not be called symmetrically if the
+ *      generic netlink family is removed while there are still open
+ *      sockets.
  * @attrbuf: buffer to store parsed attributes
  * @family_list: family list
  * @mcgrps: multicast groups used by this family (private)
@@ -53,6 +61,8 @@ struct genl_family {
         void                    (*post_doit)(const struct genl_ops *ops,
                                              struct sk_buff *skb,
                                              struct genl_info *info);
+        int                     (*mcast_bind)(struct net *net, int group);
+        void                    (*mcast_unbind)(struct net *net, int group);
         struct nlattr **        attrbuf;        /* private */
         const struct genl_ops * ops;            /* private */
         const struct genl_multicast_group *mcgrps; /* private */
@@ -395,11 +405,11 @@ static inline int genl_set_err(struct genl_family *family, struct net *net,
 }
 
 static inline int genl_has_listeners(struct genl_family *family,
-                                     struct sock *sk, unsigned int group)
+                                     struct net *net, unsigned int group)
 {
         if (WARN_ON_ONCE(group >= family->n_mcgrps))
                 return -EINVAL;
         group = family->mcgrp_offset + group;
-        return netlink_has_listeners(sk, group);
+        return netlink_has_listeners(net->genl_sock, group);
 }
 #endif  /* __NET_GENERIC_NETLINK_H */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 58d719ddaa60..29c7be8808d5 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1270,8 +1270,7 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
  *
  * @IEEE80211_KEY_FLAG_GENERATE_IV: This flag should be set by the
  *      driver to indicate that it requires IV generation for this
- *      particular key. Setting this flag does not necessarily mean that SKBs
- *      will have sufficient tailroom for ICV or MIC.
+ *      particular key.
  * @IEEE80211_KEY_FLAG_GENERATE_MMIC: This flag should be set by
  *      the driver for a TKIP key if it requires Michael MIC
  *      generation in software.
@@ -1283,9 +1282,7 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
  * @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver
  *      if space should be prepared for the IV, but the IV
  *      itself should not be generated. Do not set together with
- *      @IEEE80211_KEY_FLAG_GENERATE_IV on the same key. Setting this flag does
- *      not necessarily mean that SKBs will have sufficient tailroom for ICV or
- *      MIC.
+ *      @IEEE80211_KEY_FLAG_GENERATE_IV on the same key.
  * @IEEE80211_KEY_FLAG_RX_MGMT: This key will be used to decrypt received
  *      management frames. The flag can help drivers that have a hardware
  *      crypto implementation that doesn't deal with management frames
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index eb070b3674a1..76f708486aae 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -190,7 +190,6 @@ struct neigh_hash_table {
 
 
 struct neigh_table {
-        struct neigh_table      *next;
         int                     family;
         int                     entry_size;
         int                     key_len;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 57cccd0052e5..903461aa5644 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -1,6 +1,9 @@
 #ifndef __NET_VXLAN_H
 #define __NET_VXLAN_H 1
 
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/if_vlan.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
 #include <linux/udp.h>
@@ -51,16 +54,33 @@ int vxlan_xmit_skb(struct vxlan_sock *vs,
                    __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
                    __be16 src_port, __be16 dst_port, __be32 vni, bool xnet);
 
-static inline bool vxlan_gso_check(struct sk_buff *skb)
+static inline netdev_features_t vxlan_features_check(struct sk_buff *skb,
+                                                     netdev_features_t features)
 {
-        if ((skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) &&
+        u8 l4_hdr = 0;
+
+        if (!skb->encapsulation)
+                return features;
+
+        switch (vlan_get_protocol(skb)) {
+        case htons(ETH_P_IP):
+                l4_hdr = ip_hdr(skb)->protocol;
+                break;
+        case htons(ETH_P_IPV6):
+                l4_hdr = ipv6_hdr(skb)->nexthdr;
+                break;
+        default:
+                return features;;
+        }
+
+        if ((l4_hdr == IPPROTO_UDP) &&
             (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
              skb->inner_protocol != htons(ETH_P_TEB) ||
              (skb_inner_mac_header(skb) - skb_transport_header(skb) !=
               sizeof(struct udphdr) + sizeof(struct vxlanhdr))))
-                return false;
+                return features & ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
 
-        return true;
+        return features;
 }
 
 /* IP header + UDP + VXLAN + Ethernet header */