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-rw-r--r--include/net/inet_common.h2
-rw-r--r--include/net/netfilter/nf_tables.h2
-rw-r--r--include/net/vxlan.h18
3 files changed, 20 insertions, 2 deletions
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index fe7994c48b75..b2828a06a5a6 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -37,6 +37,8 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int inet_ctl_sock_create(struct sock **sk, unsigned short family,
unsigned short type, unsigned char protocol,
struct net *net);
+int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
+ int *addr_len);
static inline void inet_ctl_sock_destroy(struct sock *sk)
{
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 845c596bf594..3ae969e3acf0 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -396,14 +396,12 @@ struct nft_rule {
/**
* struct nft_trans - nf_tables object update in transaction
*
- * @rcu_head: rcu head to defer release of transaction data
* @list: used internally
* @msg_type: message type
* @ctx: transaction context
* @data: internal information related to the transaction
*/
struct nft_trans {
- struct rcu_head rcu_head;
struct list_head list;
int msg_type;
struct nft_ctx ctx;
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index d5f59f3fc35d..57cccd0052e5 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -8,6 +8,12 @@
#define VNI_HASH_BITS 10
#define VNI_HASH_SIZE (1<<VNI_HASH_BITS)
+/* VXLAN protocol header */
+struct vxlanhdr {
+ __be32 vx_flags;
+ __be32 vx_vni;
+};
+
struct vxlan_sock;
typedef void (vxlan_rcv_t)(struct vxlan_sock *vh, struct sk_buff *skb, __be32 key);
@@ -45,6 +51,18 @@ 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)
+{
+ if ((skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) &&
+ (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 true;
+}
+
/* IP header + UDP + VXLAN + Ethernet header */
#define VXLAN_HEADROOM (20 + 8 + 8 + 14)
/* IPv6 header + UDP + VXLAN + Ethernet header */