/*
* net/tipc/port.c: TIPC port code
*
- * Copyright (c) 1992-2007, Ericsson AB
+ * Copyright (c) 1992-2007, 2014, Ericsson AB
* Copyright (c) 2004-2008, 2010-2013, Wind River Systems
* All rights reserved.
*
#include "config.h"
#include "port.h"
#include "name_table.h"
+#include "socket.h"
/* Connection management: */
#define PROBING_INTERVAL 3600000 /* [ms] => 1 h */
void (*wakeup)(struct tipc_port *),
const u32 importance)
{
- struct tipc_port *p_ptr;
+ struct tipc_port *p_ptr = tipc_sk_port(sk);
struct tipc_msg *msg;
u32 ref;
- p_ptr = kzalloc(sizeof(*p_ptr), GFP_ATOMIC);
- if (!p_ptr) {
- pr_warn("Port creation failed, no memory\n");
- return NULL;
- }
ref = tipc_ref_acquire(p_ptr, &p_ptr->lock);
if (!ref) {
- pr_warn("Port creation failed, ref. table exhausted\n");
- kfree(p_ptr);
+ pr_warn("Port registration failed, ref. table exhausted\n");
return NULL;
}
- p_ptr->sk = sk;
p_ptr->max_pkt = MAX_PKT_DEFAULT;
p_ptr->ref = ref;
INIT_LIST_HEAD(&p_ptr->wait_list);
list_del(&p_ptr->wait_list);
spin_unlock_bh(&tipc_port_list_lock);
k_term_timer(&p_ptr->timer);
- kfree(p_ptr);
tipc_net_route_msg(buf);
return 0;
}
/*
* net/tipc/socket.c: TIPC socket API
*
- * Copyright (c) 2001-2007, 2012 Ericsson AB
+ * Copyright (c) 2001-2007, 2012-2014, Ericsson AB
* Copyright (c) 2004-2008, 2010-2013, Wind River Systems
* All rights reserved.
*
#include "port.h"
#include <linux/export.h>
-#include <net/sock.h>
#define SS_LISTENING -1 /* socket is listening */
#define SS_READY -2 /* socket is connectionless */
#define CONN_TIMEOUT_DEFAULT 8000 /* default connect timeout = 8s */
-struct tipc_sock {
- struct sock sk;
- struct tipc_port *p;
- unsigned int conn_timeout;
-};
-
-#define tipc_sk(sk) ((struct tipc_sock *)(sk))
-#define tipc_sk_port(sk) (tipc_sk(sk)->p)
static int backlog_rcv(struct sock *sk, struct sk_buff *skb);
static u32 dispatch(struct tipc_port *tport, struct sk_buff *buf);
* - port reference
*/
+#include "socket.h"
+
/**
* advance_rx_queue - discard first buffer in socket receive queue
*
sk->sk_rcvbuf = sysctl_tipc_rmem[1];
sk->sk_data_ready = tipc_data_ready;
sk->sk_write_space = tipc_write_space;
- tipc_sk(sk)->p = tp_ptr;
tipc_sk(sk)->conn_timeout = CONN_TIMEOUT_DEFAULT;
spin_unlock_bh(tp_ptr->lock);
int *uaddr_len, int peer)
{
struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr;
- struct tipc_sock *tsock = tipc_sk(sock->sk);
+ struct tipc_port *port = tipc_sk_port(sock->sk);
memset(addr, 0, sizeof(*addr));
if (peer) {
if ((sock->state != SS_CONNECTED) &&
((peer != 2) || (sock->state != SS_DISCONNECTING)))
return -ENOTCONN;
-
- addr->addr.id.ref = tipc_port_peerport(tsock->p);
- addr->addr.id.node = tipc_port_peernode(tsock->p);
+ addr->addr.id.ref = tipc_port_peerport(port);
+ addr->addr.id.node = tipc_port_peernode(port);
} else {
- addr->addr.id.ref = tsock->p->ref;
+ addr->addr.id.ref = port->ref;
addr->addr.id.node = tipc_own_addr;
}
*/
static int auto_connect(struct socket *sock, struct tipc_msg *msg)
{
- struct tipc_sock *tsock = tipc_sk(sock->sk);
- struct tipc_port *p_ptr;
+ struct tipc_port *p_ptr = tipc_sk_port(sock->sk);
struct tipc_portid peer;
peer.ref = msg_origport(msg);
peer.node = msg_orignode(msg);
- p_ptr = tipc_port_deref(tsock->p->ref);
+ p_ptr = tipc_port_deref(p_ptr->ref);
if (!p_ptr)
return -EINVAL;
/**
* filter_connect - Handle all incoming messages for a connection-based socket
- * @tsock: TIPC socket
+ * @port: TIPC port
* @msg: message
*
* Returns TIPC error status code and socket error status code
* once it encounters some errors
*/
-static u32 filter_connect(struct tipc_sock *tsock, struct sk_buff **buf)
+static u32 filter_connect(struct tipc_port *port, struct sk_buff **buf)
{
- struct socket *sock = tsock->sk.sk_socket;
+ struct sock *sk = tipc_port_to_sk(port);
+ struct socket *sock = sk->sk_socket;
struct tipc_msg *msg = buf_msg(*buf);
- struct sock *sk = &tsock->sk;
+
u32 retval = TIPC_ERR_NO_PORT;
int res;
switch ((int)sock->state) {
case SS_CONNECTED:
/* Accept only connection-based messages sent by peer */
- if (msg_connected(msg) && tipc_port_peer_msg(tsock->p, msg)) {
+ if (msg_connected(msg) && tipc_port_peer_msg(port, msg)) {
if (unlikely(msg_errcode(msg))) {
sock->state = SS_DISCONNECTING;
- __tipc_port_disconnect(tsock->p);
+ __tipc_port_disconnect(port);
}
retval = TIPC_OK;
}
if (msg_connected(msg))
return TIPC_ERR_NO_PORT;
} else {
- res = filter_connect(tipc_sk(sk), &buf);
+ res = filter_connect(tipc_sk_port(sk), &buf);
if (res != TIPC_OK || buf == NULL)
return res;
}
*
* Returns TIPC error status code (TIPC_OK if message is not to be rejected)
*/
-static u32 dispatch(struct tipc_port *tport, struct sk_buff *buf)
+static u32 dispatch(struct tipc_port *port, struct sk_buff *buf)
{
- struct sock *sk = tport->sk;
+ struct sock *sk = tipc_port_to_sk(port);
u32 res;
/*
*
* Called with port lock already taken.
*/
-static void wakeupdispatch(struct tipc_port *tport)
+static void wakeupdispatch(struct tipc_port *port)
{
- struct sock *sk = tport->sk;
-
+ struct sock *sk = tipc_port_to_sk(port);
sk->sk_write_space(sk);
}
{
struct sock *new_sk, *sk = sock->sk;
struct sk_buff *buf;
- struct tipc_sock *new_tsock;
- struct tipc_port *new_tport;
+ struct tipc_port *new_port;
struct tipc_msg *msg;
struct tipc_portid peer;
u32 new_ref;
res = -EINVAL;
goto exit;
}
-
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
res = tipc_wait_for_accept(sock, timeo);
if (res)
goto exit;
new_sk = new_sock->sk;
- new_tsock = tipc_sk(new_sk);
- new_tport = new_tsock->p;
- new_ref = new_tport->ref;
+ new_port = tipc_sk_port(new_sk);
+ new_ref = new_port->ref;
msg = buf_msg(buf);
/* we lock on new_sk; but lockdep sees the lock on sk */
tipc_set_portimportance(new_ref, msg_importance(msg));
if (msg_named(msg)) {
- new_tport->conn_type = msg_nametype(msg);
- new_tport->conn_instance = msg_nameinst(msg);
+ new_port->conn_type = msg_nametype(msg);
+ new_port->conn_instance = msg_nameinst(msg);
}
/*
skb_set_owner_r(buf, new_sk);
}
release_sock(new_sk);
-
exit:
release_sock(sk);
return res;
--- /dev/null
+/* net/tipc/socket.h: Include file for TIPC socket code
+ *
+ * Copyright (c) 2014, Ericsson AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _TIPC_SOCK_H
+#define _TIPC_SOCK_H
+
+#include "port.h"
+#include <net/sock.h>
+
+/**
+ * struct tipc_sock - TIPC socket structure
+ * @sk: socket - interacts with 'port' and with user via the socket API
+ * @port: port - interacts with 'sk' and with the rest of the TIPC stack
+ * @peer_name: the peer of the connection, if any
+ * @conn_timeout: the time we can wait for an unresponded setup request
+ */
+
+struct tipc_sock {
+ struct sock sk;
+ struct tipc_port port;
+ unsigned int conn_timeout;
+};
+
+static inline struct tipc_sock *tipc_sk(const struct sock *sk)
+{
+ return container_of(sk, struct tipc_sock, sk);
+}
+
+static inline struct tipc_port *tipc_sk_port(const struct sock *sk)
+{
+ return &(tipc_sk(sk)->port);
+}
+
+static inline struct sock *tipc_port_to_sk(const struct tipc_port *port)
+{
+ return &(container_of(port, struct tipc_sock, port))->sk;
+}
+
+#endif
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff