18 #include "socket.h"
35  * @peer: peer whose socket reference counter should be decreased
36  * @sock: the RCU protected peer socket
41  * Return: true if the socket was released, false otherwise
49  * ovpn_socket_release - release resources owned by socket user
50  * @peer: peer whose socket should be released
53  * and wants to drop its link to the socket.
58  * In case of TCP, releasing the socket will cause dropping
74 	/* release may be invoked after socket was detached */  in ovpn_socket_release()
80 	 * detached socket.  in ovpn_socket_release()
82 	 * Holding the lock ensures that a socket with refcnt 0 is fully  in ovpn_socket_release()
116 			      struct socket *sock,  in ovpn_socket_attach()
128  * ovpn_socket_new - create a new socket and initialize it
129  * @sock: the kernel socket to embed
130  * @peer: the peer reachable via this socket
132  * Return: an openvpn socket on success or a negative error code otherwise
134 struct ovpn_socket *ovpn_socket_new(struct socket *sock, struct ovpn_peer *peer)  in ovpn_socket_new()
142 	/* a TCP socket can only be owned by a single peer, therefore there  in ovpn_socket_new()
150 	/* a UDP socket can be shared across multiple peers, but we must make  in ovpn_socket_new()
156 		/* socket owned by other encapsulation module */  in ovpn_socket_new()
165 			/* socket owned by another ovpn instance, we can't use it */  in ovpn_socket_new()
172 			/* this socket is already owned by this instance,  in ovpn_socket_new()
178 				 * the refcnt to 0 and detaching the socket  in ovpn_socket_new()
192 	/* socket is not owned: attach to this ovpn instance */  in ovpn_socket_new()
211 		/* in UDP we only link the ovpn instance since the socket is  in ovpn_socket_new()
223 	 * using the same socket.  in ovpn_socket_new()