diff options
-rw-r--r-- | include/net/tcp.h | 3 | ||||
-rw-r--r-- | net/ipv4/inet_connection_sock.c | 14 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 85f1d7ff6e8b..ac52633e7061 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -2154,6 +2154,9 @@ struct tcp_ulp_ops { /* diagnostic */ int (*get_info)(const struct sock *sk, struct sk_buff *skb); size_t (*get_info_size)(const struct sock *sk); + /* clone ulp */ + void (*clone)(const struct request_sock *req, struct sock *newsk, + const gfp_t priority); char name[TCP_ULP_NAME_MAX]; struct module *owner; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 18c0d5bffe12..6a691fd04398 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -770,6 +770,18 @@ void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req, } EXPORT_SYMBOL_GPL(inet_csk_reqsk_queue_hash_add); +static void inet_clone_ulp(const struct request_sock *req, struct sock *newsk, + const gfp_t priority) +{ + struct inet_connection_sock *icsk = inet_csk(newsk); + + if (!icsk->icsk_ulp_ops) + return; + + if (icsk->icsk_ulp_ops->clone) + icsk->icsk_ulp_ops->clone(req, newsk, priority); +} + /** * inet_csk_clone_lock - clone an inet socket, and lock its clone * @sk: the socket to clone @@ -810,6 +822,8 @@ struct sock *inet_csk_clone_lock(const struct sock *sk, /* Deinitialize accept_queue to trap illegal accesses. */ memset(&newicsk->icsk_accept_queue, 0, sizeof(newicsk->icsk_accept_queue)); + inet_clone_ulp(req, newsk, priority); + security_inet_csk_clone(newsk, req); } return newsk; |