summaryrefslogtreecommitdiff
path: root/net/tipc/socket.c
diff options
context:
space:
mode:
authorJon Paul Maloy <jon.maloy@ericsson.com>2014-08-23 02:09:18 +0400
committerDavid S. Miller <davem@davemloft.net>2014-08-23 22:18:35 +0400
commit2e84c60b77e4dd96068f568a5971e681bb7e6b68 (patch)
treeae8e430bdf2e9986a3802a006435988c3d9a9991 /net/tipc/socket.c
parent0fc87aaebdfbf2c75112ce17aec093652c682acd (diff)
downloadlinux-2e84c60b77e4dd96068f568a5971e681bb7e6b68.tar.xz
tipc: remove include file port.h
We move the inline functions in the file port.h to socket.c, and modify their names accordingly. We move struct tipc_port and some macros to socket.h. Finally, we remove the file port.h. Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/socket.c')
-rw-r--r--net/tipc/socket.c123
1 files changed, 82 insertions, 41 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index ea33eab4fb9d..70eaceae1f8c 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -36,12 +36,12 @@
#include "core.h"
#include "ref.h"
-#include "port.h"
#include "name_table.h"
#include "node.h"
#include "link.h"
#include <linux/export.h>
#include "config.h"
+#include "socket.h"
#define SS_LISTENING -1 /* socket is listening */
#define SS_READY -2 /* socket is connectionless */
@@ -114,24 +114,65 @@ static struct proto tipc_proto_kern;
* - port reference
*/
-#include "socket.h"
+static u32 tsk_peer_node(struct tipc_port *p_ptr)
+{
+ return msg_destnode(&p_ptr->phdr);
+}
+
+static u32 tsk_peer_port(struct tipc_port *p_ptr)
+{
+ return msg_destport(&p_ptr->phdr);
+}
+
+static bool tsk_unreliable(struct tipc_port *port)
+{
+ return msg_src_droppable(&port->phdr) != 0;
+}
+
+static void tsk_set_unreliable(struct tipc_port *port, bool unreliable)
+{
+ msg_set_src_droppable(&port->phdr, unreliable ? 1 : 0);
+}
+
+static bool tsk_unreturnable(struct tipc_port *port)
+{
+ return msg_dest_droppable(&port->phdr) != 0;
+}
+
+static void tsk_set_unreturnable(struct tipc_port *port, bool unreturnable)
+{
+ msg_set_dest_droppable(&port->phdr, unreturnable ? 1 : 0);
+}
+
+static int tsk_importance(struct tipc_port *port)
+{
+ return msg_importance(&port->phdr);
+}
+
+static int tsk_set_importance(struct tipc_port *port, int imp)
+{
+ if (imp > TIPC_CRITICAL_IMPORTANCE)
+ return -EINVAL;
+ msg_set_importance(&port->phdr, (u32)imp);
+ return 0;
+}
/**
- * advance_rx_queue - discard first buffer in socket receive queue
+ * tsk_advance_rx_queue - discard first buffer in socket receive queue
*
* Caller must hold socket lock
*/
-static void advance_rx_queue(struct sock *sk)
+static void tsk_advance_rx_queue(struct sock *sk)
{
kfree_skb(__skb_dequeue(&sk->sk_receive_queue));
}
/**
- * reject_rx_queue - reject all buffers in socket receive queue
+ * tsk_rej_rx_queue - reject all buffers in socket receive queue
*
* Caller must hold socket lock
*/
-static void reject_rx_queue(struct sock *sk)
+static void tsk_rej_rx_queue(struct sock *sk)
{
struct sk_buff *buf;
u32 dnode;
@@ -142,14 +183,14 @@ static void reject_rx_queue(struct sock *sk)
}
}
-/* tipc_sk_peer_msg - verify if message was sent by connected port's peer
+/* tsk_peer_msg - verify if message was sent by connected port's peer
*
* Handles cases where the node's network address has changed from
* the default of <0.0.0> to its configured setting.
*/
-static bool tipc_sk_peer_msg(struct tipc_sock *tsk, struct tipc_msg *msg)
+static bool tsk_peer_msg(struct tipc_sock *tsk, struct tipc_msg *msg)
{
- u32 peer_port = tipc_port_peerport(&tsk->port);
+ u32 peer_port = tsk_peer_port(&tsk->port);
u32 orig_node;
u32 peer_node;
@@ -160,7 +201,7 @@ static bool tipc_sk_peer_msg(struct tipc_sock *tsk, struct tipc_msg *msg)
return false;
orig_node = msg_orignode(msg);
- peer_node = tipc_port_peernode(&tsk->port);
+ peer_node = tsk_peer_node(&tsk->port);
if (likely(orig_node == peer_node))
return true;
@@ -258,9 +299,9 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
atomic_set(&tsk->dupl_rcvcnt, 0);
if (sock->state == SS_READY) {
- tipc_port_set_unreturnable(port, true);
+ tsk_set_unreturnable(port, true);
if (sock->type == SOCK_DGRAM)
- tipc_port_set_unreliable(port, true);
+ tsk_set_unreliable(port, true);
}
return 0;
}
@@ -373,7 +414,7 @@ static int tipc_release(struct socket *sock)
* Reject all unreceived messages, except on an active connection
* (which disconnects locally & sends a 'FIN+' to peer)
*/
- dnode = tipc_port_peernode(port);
+ dnode = tsk_peer_node(port);
while (sock->state != SS_DISCONNECTING) {
buf = __skb_dequeue(&sk->sk_receive_queue);
if (buf == NULL)
@@ -398,7 +439,7 @@ static int tipc_release(struct socket *sock)
if (port->connected) {
buf = tipc_msg_create(TIPC_CRITICAL_IMPORTANCE, TIPC_CONN_MSG,
SHORT_H_SIZE, 0, dnode, tipc_own_addr,
- tipc_port_peerport(port),
+ tsk_peer_port(port),
port->ref, TIPC_ERR_NO_PORT);
if (buf)
tipc_link_xmit(buf, dnode, port->ref);
@@ -502,8 +543,8 @@ static int tipc_getname(struct socket *sock, struct sockaddr *uaddr,
if ((sock->state != SS_CONNECTED) &&
((peer != 2) || (sock->state != SS_DISCONNECTING)))
return -ENOTCONN;
- addr->addr.id.ref = tipc_port_peerport(&tsk->port);
- addr->addr.id.node = tipc_port_peernode(&tsk->port);
+ addr->addr.id.ref = tsk_peer_port(&tsk->port);
+ addr->addr.id.node = tsk_peer_node(&tsk->port);
} else {
addr->addr.id.ref = tsk->port.ref;
addr->addr.id.node = tipc_own_addr;
@@ -699,7 +740,7 @@ static int tipc_sk_proto_rcv(struct tipc_sock *tsk, u32 *dnode,
int conn_cong;
/* Ignore if connection cannot be validated: */
- if (!tipc_sk_peer_msg(tsk, msg))
+ if (!tsk_peer_msg(tsk, msg))
goto exit;
port->probing_state = TIPC_CONN_OK;
@@ -986,7 +1027,7 @@ static int tipc_send_stream(struct kiocb *iocb, struct socket *sock,
}
timeo = sock_sndtimeo(sk, m->msg_flags & MSG_DONTWAIT);
- dnode = tipc_port_peernode(port);
+ dnode = tsk_peer_node(port);
next:
mtu = port->max_pkt;
@@ -1161,8 +1202,8 @@ static void tipc_sk_send_ack(struct tipc_port *port, uint ack)
{
struct sk_buff *buf = NULL;
struct tipc_msg *msg;
- u32 peer_port = tipc_port_peerport(port);
- u32 dnode = tipc_port_peernode(port);
+ u32 peer_port = tsk_peer_port(port);
+ u32 dnode = tsk_peer_node(port);
if (!port->connected)
return;
@@ -1260,7 +1301,7 @@ restart:
/* Discard an empty non-errored message & try again */
if ((!sz) && (!err)) {
- advance_rx_queue(sk);
+ tsk_advance_rx_queue(sk);
goto restart;
}
@@ -1298,7 +1339,7 @@ restart:
tipc_sk_send_ack(port, tsk->rcv_unacked);
tsk->rcv_unacked = 0;
}
- advance_rx_queue(sk);
+ tsk_advance_rx_queue(sk);
}
exit:
release_sock(sk);
@@ -1360,7 +1401,7 @@ restart:
/* Discard an empty non-errored message & try again */
if ((!sz) && (!err)) {
- advance_rx_queue(sk);
+ tsk_advance_rx_queue(sk);
goto restart;
}
@@ -1409,7 +1450,7 @@ restart:
tipc_sk_send_ack(port, tsk->rcv_unacked);
tsk->rcv_unacked = 0;
}
- advance_rx_queue(sk);
+ tsk_advance_rx_queue(sk);
}
/* Loop around if more data is required */
@@ -1480,12 +1521,12 @@ static int filter_connect(struct tipc_sock *tsk, struct sk_buff **buf)
switch ((int)sock->state) {
case SS_CONNECTED:
/* Accept only connection-based messages sent by peer */
- if (tipc_sk_peer_msg(tsk, msg)) {
+ if (tsk_peer_msg(tsk, msg)) {
if (unlikely(msg_errcode(msg))) {
sock->state = SS_DISCONNECTING;
port->connected = 0;
/* let timer expire on it's own */
- tipc_node_remove_conn(tipc_port_peernode(port),
+ tipc_node_remove_conn(tsk_peer_node(port),
port->ref);
}
retval = TIPC_OK;
@@ -1919,13 +1960,13 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags)
* Reject any stray messages received by new socket
* before the socket lock was taken (very, very unlikely)
*/
- reject_rx_queue(new_sk);
+ tsk_rej_rx_queue(new_sk);
/* Connect new socket to it's peer */
tipc_sk_finish_conn(new_port, msg_origport(msg), msg_orignode(msg));
new_sock->state = SS_CONNECTED;
- tipc_port_set_importance(new_port, msg_importance(msg));
+ tsk_set_importance(new_port, msg_importance(msg));
if (msg_named(msg)) {
new_port->conn_type = msg_nametype(msg);
new_port->conn_instance = msg_nameinst(msg);
@@ -1938,7 +1979,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags)
if (!msg_data_sz(msg)) {
struct msghdr m = {NULL,};
- advance_rx_queue(sk);
+ tsk_advance_rx_queue(sk);
tipc_send_packet(NULL, new_sock, &m, 0);
} else {
__skb_dequeue(&sk->sk_receive_queue);
@@ -1990,11 +2031,11 @@ restart:
tipc_link_xmit(buf, dnode, port->ref);
tipc_node_remove_conn(dnode, port->ref);
} else {
- dnode = tipc_port_peernode(port);
+ dnode = tsk_peer_node(port);
buf = tipc_msg_create(TIPC_CRITICAL_IMPORTANCE,
TIPC_CONN_MSG, SHORT_H_SIZE,
0, dnode, tipc_own_addr,
- tipc_port_peerport(port),
+ tsk_peer_port(port),
port->ref, TIPC_CONN_SHUTDOWN);
tipc_link_xmit(buf, dnode, port->ref);
}
@@ -2040,8 +2081,8 @@ static void tipc_sk_timeout(unsigned long ref)
bh_unlock_sock(sk);
goto exit;
}
- peer_port = tipc_port_peerport(port);
- peer_node = tipc_port_peernode(port);
+ peer_port = tsk_peer_port(port);
+ peer_node = tsk_peer_node(port);
if (port->probing_state == TIPC_CONN_PROBING) {
/* Previous probe not answered -> self abort */
@@ -2132,8 +2173,8 @@ static int tipc_sk_show(struct tipc_port *port, char *buf,
ret = tipc_snprintf(buf, len, "%-10u:", port->ref);
if (port->connected) {
- u32 dport = tipc_port_peerport(port);
- u32 destnode = tipc_port_peernode(port);
+ u32 dport = tsk_peer_port(port);
+ u32 destnode = tsk_peer_node(port);
ret += tipc_snprintf(buf + ret, len - ret,
" connected to <%u.%u.%u:%u>",
@@ -2248,16 +2289,16 @@ static int tipc_setsockopt(struct socket *sock, int lvl, int opt,
switch (opt) {
case TIPC_IMPORTANCE:
- res = tipc_port_set_importance(port, value);
+ res = tsk_set_importance(port, value);
break;
case TIPC_SRC_DROPPABLE:
if (sock->type != SOCK_STREAM)
- tipc_port_set_unreliable(port, value);
+ tsk_set_unreliable(port, value);
else
res = -ENOPROTOOPT;
break;
case TIPC_DEST_DROPPABLE:
- tipc_port_set_unreturnable(port, value);
+ tsk_set_unreturnable(port, value);
break;
case TIPC_CONN_TIMEOUT:
tipc_sk(sk)->conn_timeout = value;
@@ -2307,13 +2348,13 @@ static int tipc_getsockopt(struct socket *sock, int lvl, int opt,
switch (opt) {
case TIPC_IMPORTANCE:
- value = tipc_port_importance(port);
+ value = tsk_importance(port);
break;
case TIPC_SRC_DROPPABLE:
- value = tipc_port_unreliable(port);
+ value = tsk_unreliable(port);
break;
case TIPC_DEST_DROPPABLE:
- value = tipc_port_unreturnable(port);
+ value = tsk_unreturnable(port);
break;
case TIPC_CONN_TIMEOUT:
value = tipc_sk(sk)->conn_timeout;