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tipc: Un-inline port routine for processing incoming messages

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Converts a non-trivial routine from inline to non-inline form
to avoid bloating the TIPC code base with 6 copies of its body.

This change is essentially cosmetic, and doesn't change existing
TIPC behavior.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Allan Stephens 2011-11-09 13:29:18 -05:00 committed by Paul Gortmaker
parent b58343f9ea
commit 9b641251ae
2 changed files with 44 additions and 41 deletions
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43
net/tipc/port.c
View file

@ -1133,6 +1133,49 @@ int tipc_shutdown(u32 ref)
return tipc_disconnect(ref); return tipc_disconnect(ref);
} }
/**
* tipc_port_recv_msg - receive message from lower layer and deliver to port user
*/
int tipc_port_recv_msg(struct sk_buff *buf)
{
struct tipc_port *p_ptr;
struct tipc_msg *msg = buf_msg(buf);
u32 destport = msg_destport(msg);
u32 dsz = msg_data_sz(msg);
u32 err;
/* forward unresolved named message */
if (unlikely(!destport)) {
tipc_net_route_msg(buf);
return dsz;
}
/* validate destination & pass to port, otherwise reject message */
p_ptr = tipc_port_lock(destport);
if (likely(p_ptr)) {
if (likely(p_ptr->connected)) {
if ((unlikely(msg_origport(msg) !=
tipc_peer_port(p_ptr))) ||
(unlikely(msg_orignode(msg) !=
tipc_peer_node(p_ptr))) ||
(unlikely(!msg_connected(msg)))) {
err = TIPC_ERR_NO_PORT;
tipc_port_unlock(p_ptr);
goto reject;
}
}
err = p_ptr->dispatcher(p_ptr, buf);
tipc_port_unlock(p_ptr);
if (likely(!err))
return dsz;
} else {
err = TIPC_ERR_NO_PORT;
}
reject:
return tipc_reject_msg(buf, err);
}
/* /*
* tipc_port_recv_sections(): Concatenate and deliver sectioned * tipc_port_recv_sections(): Concatenate and deliver sectioned
* message for this node. * message for this node.

42
net/tipc/port.h
View file

@ -205,6 +205,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr);
/* /*
* TIPC messaging routines * TIPC messaging routines
*/ */
int tipc_port_recv_msg(struct sk_buff *buf);
int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect, int tipc_send(u32 portref, unsigned int num_sect, struct iovec const *msg_sect,
unsigned int total_len); unsigned int total_len);
@ -271,45 +272,4 @@ static inline int tipc_port_congested(struct tipc_port *p_ptr)
return (p_ptr->sent - p_ptr->acked) >= (TIPC_FLOW_CONTROL_WIN * 2); return (p_ptr->sent - p_ptr->acked) >= (TIPC_FLOW_CONTROL_WIN * 2);
} }
/**
* tipc_port_recv_msg - receive message from lower layer and deliver to port user
*/
static inline int tipc_port_recv_msg(struct sk_buff *buf)
{
struct tipc_port *p_ptr;
struct tipc_msg *msg = buf_msg(buf);
u32 destport = msg_destport(msg);
u32 dsz = msg_data_sz(msg);
u32 err;
/* forward unresolved named message */
if (unlikely(!destport)) {
tipc_net_route_msg(buf);
return dsz;
}
/* validate destination & pass to port, otherwise reject message */
p_ptr = tipc_port_lock(destport);
if (likely(p_ptr)) {
if (likely(p_ptr->connected)) {
if ((unlikely(msg_origport(msg) != tipc_peer_port(p_ptr))) ||
(unlikely(msg_orignode(msg) != tipc_peer_node(p_ptr))) ||
(unlikely(!msg_connected(msg)))) {
err = TIPC_ERR_NO_PORT;
tipc_port_unlock(p_ptr);
goto reject;
}
}
err = p_ptr->dispatcher(p_ptr, buf);
tipc_port_unlock(p_ptr);
if (likely(!err))
return dsz;
} else {
err = TIPC_ERR_NO_PORT;
}
reject:
return tipc_reject_msg(buf, err);
}
#endif #endif