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-rw-r--r--include/linux/netdevice.h1
-rw-r--r--include/linux/tcp.h7
-rw-r--r--include/net/bluetooth/l2cap.h2
-rw-r--r--include/net/dst_metadata.h3
-rw-r--r--include/net/inet_sock.h12
5 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index a9e3bf42d287..d20891465247 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1322,6 +1322,7 @@ enum netdev_priv_flags {
#define IFF_L3MDEV_MASTER IFF_L3MDEV_MASTER
#define IFF_NO_QUEUE IFF_NO_QUEUE
#define IFF_OPENVSWITCH IFF_OPENVSWITCH
+#define IFF_L3MDEV_SLAVE IFF_L3MDEV_SLAVE
/**
* struct net_device - The DEVICE structure.
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c906f4534581..b386361ba3e8 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -397,6 +397,13 @@ static inline void fastopen_queue_tune(struct sock *sk, int backlog)
queue->fastopenq.max_qlen = min_t(unsigned int, backlog, somaxconn);
}
+static inline void tcp_move_syn(struct tcp_sock *tp,
+ struct request_sock *req)
+{
+ tp->saved_syn = req->saved_syn;
+ req->saved_syn = NULL;
+}
+
static inline void tcp_saved_syn_free(struct tcp_sock *tp)
{
kfree(tp->saved_syn);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index c98afc08cc26..52899291f401 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -275,6 +275,8 @@ struct l2cap_conn_rsp {
#define L2CAP_CR_AUTHORIZATION 0x0006
#define L2CAP_CR_BAD_KEY_SIZE 0x0007
#define L2CAP_CR_ENCRYPTION 0x0008
+#define L2CAP_CR_INVALID_SCID 0x0009
+#define L2CAP_CR_SCID_IN_USE 0x0010
/* connect/create channel status */
#define L2CAP_CS_NO_INFO 0x0000
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index ce009710120c..6816f0fa5693 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -63,12 +63,13 @@ static inline struct metadata_dst *tun_rx_dst(int md_size)
static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb)
{
struct metadata_dst *md_dst = skb_metadata_dst(skb);
- int md_size = md_dst->u.tun_info.options_len;
+ int md_size;
struct metadata_dst *new_md;
if (!md_dst)
return ERR_PTR(-EINVAL);
+ md_size = md_dst->u.tun_info.options_len;
new_md = metadata_dst_alloc(md_size, GFP_ATOMIC);
if (!new_md)
return ERR_PTR(-ENOMEM);
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index f5bf7310e334..2134e6d815bc 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -210,6 +210,18 @@ struct inet_sock {
#define IP_CMSG_ORIGDSTADDR BIT(6)
#define IP_CMSG_CHECKSUM BIT(7)
+/* SYNACK messages might be attached to request sockets.
+ * Some places want to reach the listener in this case.
+ */
+static inline struct sock *skb_to_full_sk(const struct sk_buff *skb)
+{
+ struct sock *sk = skb->sk;
+
+ if (sk && sk->sk_state == TCP_NEW_SYN_RECV)
+ sk = inet_reqsk(sk)->rsk_listener;
+ return sk;
+}
+
static inline struct inet_sock *inet_sk(const struct sock *sk)
{
return (struct inet_sock *)sk;