diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/tipc/port.c | 43 | ||||
-rw-r--r-- | net/tipc/port.h | 42 |
2 files changed, 44 insertions, 41 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c index b103d76..6adcdf9 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -1133,6 +1133,49 @@ int tipc_shutdown(u32 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 * message for this node. diff --git a/net/tipc/port.h b/net/tipc/port.h index f751807..9b88531 100644 --- a/net/tipc/port.h +++ b/net/tipc/port.h @@ -205,6 +205,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr); /* * 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, 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); } -/** - * 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 |