1 files changed, 147 insertions, 159 deletions

diff --git a/net/tipc/port.c b/net/tipc/port.c
index 067bab2a0b98..6ff78f9c7d65 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -2,7 +2,7 @@
  * net/tipc/port.c: TIPC port code
  *
  * Copyright (c) 1992-2007, Ericsson AB
- * Copyright (c) 2004-2008, Wind River Systems
+ * Copyright (c) 2004-2008, 2010-2011, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -54,33 +54,19 @@ static DEFINE_SPINLOCK(queue_lock);
 
 static LIST_HEAD(ports);
 static void port_handle_node_down(unsigned long ref);
-static struct sk_buff *port_build_self_abort_msg(struct port *, u32 err);
-static struct sk_buff *port_build_peer_abort_msg(struct port *, u32 err);
+static struct sk_buff *port_build_self_abort_msg(struct tipc_port *, u32 err);
+static struct sk_buff *port_build_peer_abort_msg(struct tipc_port *, u32 err);
 static void port_timeout(unsigned long ref);
 
 
-static u32 port_peernode(struct port *p_ptr)
+static u32 port_peernode(struct tipc_port *p_ptr)
 {
-        return msg_destnode(&p_ptr->publ.phdr);
+        return msg_destnode(&p_ptr->phdr);
 }
 
-static u32 port_peerport(struct port *p_ptr)
+static u32 port_peerport(struct tipc_port *p_ptr)
 {
-        return msg_destport(&p_ptr->publ.phdr);
-}
-
-static u32 port_out_seqno(struct port *p_ptr)
-{
-        return msg_transp_seqno(&p_ptr->publ.phdr);
-}
-
-static void port_incr_out_seqno(struct port *p_ptr)
-{
-        struct tipc_msg *m = &p_ptr->publ.phdr;
-
-        if (likely(!msg_routed(m)))
-                return;
-        msg_set_transp_seqno(m, (msg_transp_seqno(m) + 1));
+        return msg_destport(&p_ptr->phdr);
 }
 
 /**
@@ -94,7 +80,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq,
         struct sk_buff *buf;
         struct sk_buff *ibuf = NULL;
         struct port_list dports = {0, NULL, };
-        struct port *oport = tipc_port_deref(ref);
+        struct tipc_port *oport = tipc_port_deref(ref);
         int ext_targets;
         int res;
 
@@ -103,7 +89,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq,
 
         /* Create multicast message */
 
-        hdr = &oport->publ.phdr;
+        hdr = &oport->phdr;
         msg_set_type(hdr, TIPC_MCAST_MSG);
         msg_set_nametype(hdr, seq->type);
         msg_set_namelower(hdr, seq->lower);
@@ -211,7 +197,7 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
                         void (*wakeup)(struct tipc_port *),
                         const u32 importance)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
         u32 ref;
 
@@ -220,21 +206,19 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
                 warn("Port creation failed, no memory\n");
                 return NULL;
         }
-        ref = tipc_ref_acquire(p_ptr, &p_ptr->publ.lock);
+        ref = tipc_ref_acquire(p_ptr, &p_ptr->lock);
         if (!ref) {
                 warn("Port creation failed, reference table exhausted\n");
                 kfree(p_ptr);
                 return NULL;
         }
 
-        p_ptr->publ.usr_handle = usr_handle;
-        p_ptr->publ.max_pkt = MAX_PKT_DEFAULT;
-        p_ptr->publ.ref = ref;
-        msg = &p_ptr->publ.phdr;
+        p_ptr->usr_handle = usr_handle;
+        p_ptr->max_pkt = MAX_PKT_DEFAULT;
+        p_ptr->ref = ref;
+        msg = &p_ptr->phdr;
         tipc_msg_init(msg, importance, TIPC_NAMED_MSG, LONG_H_SIZE, 0);
         msg_set_origport(msg, ref);
-        p_ptr->last_in_seqno = 41;
-        p_ptr->sent = 1;
         INIT_LIST_HEAD(&p_ptr->wait_list);
         INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
         p_ptr->dispatcher = dispatcher;
@@ -246,12 +230,12 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
         INIT_LIST_HEAD(&p_ptr->port_list);
         list_add_tail(&p_ptr->port_list, &ports);
         spin_unlock_bh(&tipc_port_list_lock);
-        return &(p_ptr->publ);
+        return p_ptr;
 }
 
 int tipc_deleteport(u32 ref)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct sk_buff *buf = NULL;
 
         tipc_withdraw(ref, 0, NULL);
@@ -263,7 +247,7 @@ int tipc_deleteport(u32 ref)
         tipc_port_unlock(p_ptr);
 
         k_cancel_timer(&p_ptr->timer);
-        if (p_ptr->publ.connected) {
+        if (p_ptr->connected) {
                 buf = port_build_peer_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
                 tipc_nodesub_unsubscribe(&p_ptr->subscription);
         }
@@ -279,14 +263,14 @@ int tipc_deleteport(u32 ref)
         return 0;
 }
 
-static int port_unreliable(struct port *p_ptr)
+static int port_unreliable(struct tipc_port *p_ptr)
 {
-        return msg_src_droppable(&p_ptr->publ.phdr);
+        return msg_src_droppable(&p_ptr->phdr);
 }
 
 int tipc_portunreliable(u32 ref, unsigned int *isunreliable)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
@@ -298,24 +282,24 @@ int tipc_portunreliable(u32 ref, unsigned int *isunreliable)
 
 int tipc_set_portunreliable(u32 ref, unsigned int isunreliable)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
-        msg_set_src_droppable(&p_ptr->publ.phdr, (isunreliable != 0));
+        msg_set_src_droppable(&p_ptr->phdr, (isunreliable != 0));
         tipc_port_unlock(p_ptr);
         return 0;
 }
 
-static int port_unreturnable(struct port *p_ptr)
+static int port_unreturnable(struct tipc_port *p_ptr)
 {
-        return msg_dest_droppable(&p_ptr->publ.phdr);
+        return msg_dest_droppable(&p_ptr->phdr);
 }
 
 int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
@@ -327,12 +311,12 @@ int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable)
 
 int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
-        msg_set_dest_droppable(&p_ptr->publ.phdr, (isunrejectable != 0));
+        msg_set_dest_droppable(&p_ptr->phdr, (isunrejectable != 0));
         tipc_port_unlock(p_ptr);
         return 0;
 }
@@ -345,7 +329,7 @@ int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
 static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode,
                                             u32 origport, u32 orignode,
                                             u32 usr, u32 type, u32 err,
-                                            u32 seqno, u32 ack)
+                                            u32 ack)
 {
         struct sk_buff *buf;
         struct tipc_msg *msg;
@@ -358,7 +342,6 @@ static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode,
                 msg_set_destport(msg, destport);
                 msg_set_origport(msg, origport);
                 msg_set_orignode(msg, orignode);
-                msg_set_transp_seqno(msg, seqno);
                 msg_set_msgcnt(msg, ack);
         }
         return buf;
@@ -413,10 +396,10 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
         /* send self-abort message when rejecting on a connected port */
         if (msg_connected(msg)) {
                 struct sk_buff *abuf = NULL;
-                struct port *p_ptr = tipc_port_lock(msg_destport(msg));
+                struct tipc_port *p_ptr = tipc_port_lock(msg_destport(msg));
 
                 if (p_ptr) {
-                        if (p_ptr->publ.connected)
+                        if (p_ptr->connected)
                                 abuf = port_build_self_abort_msg(p_ptr, err);
                         tipc_port_unlock(p_ptr);
                 }
@@ -429,7 +412,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
         return data_sz;
 }
 
-int tipc_port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
+int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr,
                               struct iovec const *msg_sect, u32 num_sect,
                               int err)
 {
@@ -446,13 +429,13 @@ int tipc_port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
 
 static void port_timeout(unsigned long ref)
 {
-        struct port *p_ptr = tipc_port_lock(ref);
+        struct tipc_port *p_ptr = tipc_port_lock(ref);
         struct sk_buff *buf = NULL;
 
         if (!p_ptr)
                 return;
 
-        if (!p_ptr->publ.connected) {
+        if (!p_ptr->connected) {
                 tipc_port_unlock(p_ptr);
                 return;
         }
@@ -463,14 +446,12 @@ static void port_timeout(unsigned long ref)
         } else {
                 buf = port_build_proto_msg(port_peerport(p_ptr),
                                            port_peernode(p_ptr),
-                                           p_ptr->publ.ref,
+                                           p_ptr->ref,
                                            tipc_own_addr,
                                            CONN_MANAGER,
                                            CONN_PROBE,
                                            TIPC_OK,
-                                           port_out_seqno(p_ptr),
                                            0);
-                port_incr_out_seqno(p_ptr);
                 p_ptr->probing_state = PROBING;
                 k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
         }
@@ -481,7 +462,7 @@ static void port_timeout(unsigned long ref)
 
 static void port_handle_node_down(unsigned long ref)
 {
-        struct port *p_ptr = tipc_port_lock(ref);
+        struct tipc_port *p_ptr = tipc_port_lock(ref);
         struct sk_buff *buf = NULL;
 
         if (!p_ptr)
@@ -492,73 +473,71 @@ static void port_handle_node_down(unsigned long ref)
 }
 
 
-static struct sk_buff *port_build_self_abort_msg(struct port *p_ptr, u32 err)
+static struct sk_buff *port_build_self_abort_msg(struct tipc_port *p_ptr, u32 err)
 {
-        u32 imp = msg_importance(&p_ptr->publ.phdr);
+        u32 imp = msg_importance(&p_ptr->phdr);
 
-        if (!p_ptr->publ.connected)
+        if (!p_ptr->connected)
                 return NULL;
         if (imp < TIPC_CRITICAL_IMPORTANCE)
                 imp++;
-        return port_build_proto_msg(p_ptr->publ.ref,
+        return port_build_proto_msg(p_ptr->ref,
                                     tipc_own_addr,
                                     port_peerport(p_ptr),
                                     port_peernode(p_ptr),
                                     imp,
                                     TIPC_CONN_MSG,
                                     err,
-                                    p_ptr->last_in_seqno + 1,
                                     0);
 }
 
 
-static struct sk_buff *port_build_peer_abort_msg(struct port *p_ptr, u32 err)
+static struct sk_buff *port_build_peer_abort_msg(struct tipc_port *p_ptr, u32 err)
 {
-        u32 imp = msg_importance(&p_ptr->publ.phdr);
+        u32 imp = msg_importance(&p_ptr->phdr);
 
-        if (!p_ptr->publ.connected)
+        if (!p_ptr->connected)
                 return NULL;
         if (imp < TIPC_CRITICAL_IMPORTANCE)
                 imp++;
         return port_build_proto_msg(port_peerport(p_ptr),
                                     port_peernode(p_ptr),
-                                    p_ptr->publ.ref,
+                                    p_ptr->ref,
                                     tipc_own_addr,
                                     imp,
                                     TIPC_CONN_MSG,
                                     err,
-                                    port_out_seqno(p_ptr),
                                     0);
 }
 
 void tipc_port_recv_proto_msg(struct sk_buff *buf)
 {
         struct tipc_msg *msg = buf_msg(buf);
-        struct port *p_ptr = tipc_port_lock(msg_destport(msg));
+        struct tipc_port *p_ptr = tipc_port_lock(msg_destport(msg));
         u32 err = TIPC_OK;
         struct sk_buff *r_buf = NULL;
         struct sk_buff *abort_buf = NULL;
 
         if (!p_ptr) {
                 err = TIPC_ERR_NO_PORT;
-        } else if (p_ptr->publ.connected) {
+        } else if (p_ptr->connected) {
                 if ((port_peernode(p_ptr) != msg_orignode(msg)) ||
                     (port_peerport(p_ptr) != msg_origport(msg))) {
                         err = TIPC_ERR_NO_PORT;
                 } else if (msg_type(msg) == CONN_ACK) {
                         int wakeup = tipc_port_congested(p_ptr) &&
-                                     p_ptr->publ.congested &&
+                                     p_ptr->congested &&
                                      p_ptr->wakeup;
                         p_ptr->acked += msg_msgcnt(msg);
                         if (tipc_port_congested(p_ptr))
                                 goto exit;
-                        p_ptr->publ.congested = 0;
+                        p_ptr->congested = 0;
                         if (!wakeup)
                                 goto exit;
-                        p_ptr->wakeup(&p_ptr->publ);
+                        p_ptr->wakeup(p_ptr);
                         goto exit;
                 }
-        } else if (p_ptr->publ.published) {
+        } else if (p_ptr->published) {
                 err = TIPC_ERR_NO_PORT;
         }
         if (err) {
@@ -569,7 +548,6 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf)
                                              TIPC_HIGH_IMPORTANCE,
                                              TIPC_CONN_MSG,
                                              err,
-                                             0,
                                              0);
                 goto exit;
         }
@@ -583,11 +561,9 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf)
                                              CONN_MANAGER,
                                              CONN_PROBE_REPLY,
                                              TIPC_OK,
-                                             port_out_seqno(p_ptr),
                                              0);
         }
         p_ptr->probing_state = CONFIRMED;
-        port_incr_out_seqno(p_ptr);
 exit:
         if (p_ptr)
                 tipc_port_unlock(p_ptr);
@@ -596,29 +572,29 @@ exit:
         buf_discard(buf);
 }
 
-static void port_print(struct port *p_ptr, struct print_buf *buf, int full_id)
+static void port_print(struct tipc_port *p_ptr, struct print_buf *buf, int full_id)
 {
         struct publication *publ;
 
         if (full_id)
                 tipc_printf(buf, "<%u.%u.%u:%u>:",
                             tipc_zone(tipc_own_addr), tipc_cluster(tipc_own_addr),
-                            tipc_node(tipc_own_addr), p_ptr->publ.ref);
+                            tipc_node(tipc_own_addr), p_ptr->ref);
         else
-                tipc_printf(buf, "%-10u:", p_ptr->publ.ref);
+                tipc_printf(buf, "%-10u:", p_ptr->ref);
 
-        if (p_ptr->publ.connected) {
+        if (p_ptr->connected) {
                 u32 dport = port_peerport(p_ptr);
                 u32 destnode = port_peernode(p_ptr);
 
                 tipc_printf(buf, " connected to <%u.%u.%u:%u>",
                             tipc_zone(destnode), tipc_cluster(destnode),
                             tipc_node(destnode), dport);
-                if (p_ptr->publ.conn_type != 0)
+                if (p_ptr->conn_type != 0)
                         tipc_printf(buf, " via {%u,%u}",
-                                    p_ptr->publ.conn_type,
-                                    p_ptr->publ.conn_instance);
-        } else if (p_ptr->publ.published) {
+                                    p_ptr->conn_type,
+                                    p_ptr->conn_instance);
+        } else if (p_ptr->published) {
                 tipc_printf(buf, " bound to");
                 list_for_each_entry(publ, &p_ptr->publications, pport_list) {
                         if (publ->lower == publ->upper)
@@ -639,7 +615,7 @@ struct sk_buff *tipc_port_get_ports(void)
         struct sk_buff *buf;
         struct tlv_desc *rep_tlv;
         struct print_buf pb;
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         int str_len;
 
         buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_PORT_QUERY));
@@ -650,9 +626,9 @@ struct sk_buff *tipc_port_get_ports(void)
         tipc_printbuf_init(&pb, TLV_DATA(rep_tlv), MAX_PORT_QUERY);
         spin_lock_bh(&tipc_port_list_lock);
         list_for_each_entry(p_ptr, &ports, port_list) {
-                spin_lock_bh(p_ptr->publ.lock);
+                spin_lock_bh(p_ptr->lock);
                 port_print(p_ptr, &pb, 0);
-                spin_unlock_bh(p_ptr->publ.lock);
+                spin_unlock_bh(p_ptr->lock);
         }
         spin_unlock_bh(&tipc_port_list_lock);
         str_len = tipc_printbuf_validate(&pb);
@@ -665,12 +641,12 @@ struct sk_buff *tipc_port_get_ports(void)
 
 void tipc_port_reinit(void)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
 
         spin_lock_bh(&tipc_port_list_lock);
         list_for_each_entry(p_ptr, &ports, port_list) {
-                msg = &p_ptr->publ.phdr;
+                msg = &p_ptr->phdr;
                 if (msg_orignode(msg) == tipc_own_addr)
                         break;
                 msg_set_prevnode(msg, tipc_own_addr);
@@ -695,7 +671,7 @@ static void port_dispatcher_sigh(void *dummy)
         spin_unlock_bh(&queue_lock);
 
         while (buf) {
-                struct port *p_ptr;
+                struct tipc_port *p_ptr;
                 struct user_port *up_ptr;
                 struct tipc_portid orig;
                 struct tipc_name_seq dseq;
@@ -720,8 +696,8 @@ static void port_dispatcher_sigh(void *dummy)
                 orig.node = msg_orignode(msg);
                 up_ptr = p_ptr->user_port;
                 usr_handle = up_ptr->usr_handle;
-                connected = p_ptr->publ.connected;
-                published = p_ptr->publ.published;
+                connected = p_ptr->connected;
+                published = p_ptr->published;
 
                 if (unlikely(msg_errcode(msg)))
                         goto err;
@@ -732,6 +708,7 @@ static void port_dispatcher_sigh(void *dummy)
                                 tipc_conn_msg_event cb = up_ptr->conn_msg_cb;
                                 u32 peer_port = port_peerport(p_ptr);
                                 u32 peer_node = port_peernode(p_ptr);
+                                u32 dsz;
 
                                 tipc_port_unlock(p_ptr);
                                 if (unlikely(!cb))
@@ -742,13 +719,14 @@ static void port_dispatcher_sigh(void *dummy)
                                 } else if ((msg_origport(msg) != peer_port) ||
                                            (msg_orignode(msg) != peer_node))
                                         goto reject;
-                                if (unlikely(++p_ptr->publ.conn_unacked >=
-                                             TIPC_FLOW_CONTROL_WIN))
+                                dsz = msg_data_sz(msg);
+                                if (unlikely(dsz &&
+                                             (++p_ptr->conn_unacked >=
+                                              TIPC_FLOW_CONTROL_WIN)))
                                         tipc_acknowledge(dref,
-                                                         p_ptr->publ.conn_unacked);
+                                                         p_ptr->conn_unacked);
                                 skb_pull(buf, msg_hdr_sz(msg));
-                                cb(usr_handle, dref, &buf, msg_data(msg),
-                                   msg_data_sz(msg));
+                                cb(usr_handle, dref, &buf, msg_data(msg), dsz);
                                 break;
                         }
                 case TIPC_DIRECT_MSG:{
@@ -872,7 +850,7 @@ static u32 port_dispatcher(struct tipc_port *dummy, struct sk_buff *buf)
 
 static void port_wakeup_sh(unsigned long ref)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct user_port *up_ptr;
         tipc_continue_event cb = NULL;
         void *uh = NULL;
@@ -898,14 +876,14 @@ static void port_wakeup(struct tipc_port *p_ptr)
 
 void tipc_acknowledge(u32 ref, u32 ack)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct sk_buff *buf = NULL;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return;
-        if (p_ptr->publ.connected) {
-                p_ptr->publ.conn_unacked -= ack;
+        if (p_ptr->connected) {
+                p_ptr->conn_unacked -= ack;
                 buf = port_build_proto_msg(port_peerport(p_ptr),
                                            port_peernode(p_ptr),
                                            ref,
@@ -913,7 +891,6 @@ void tipc_acknowledge(u32 ref, u32 ack)
                                            CONN_MANAGER,
                                            CONN_ACK,
                                            TIPC_OK,
-                                           port_out_seqno(p_ptr),
                                            ack);
         }
         tipc_port_unlock(p_ptr);
@@ -936,14 +913,14 @@ int tipc_createport(void *usr_handle,
                     u32 *portref)
 {
         struct user_port *up_ptr;
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         up_ptr = kmalloc(sizeof(*up_ptr), GFP_ATOMIC);
         if (!up_ptr) {
                 warn("Port creation failed, no memory\n");
                 return -ENOMEM;
         }
-        p_ptr = (struct port *)tipc_createport_raw(NULL, port_dispatcher,
+        p_ptr = (struct tipc_port *)tipc_createport_raw(NULL, port_dispatcher,
                                                    port_wakeup, importance);
         if (!p_ptr) {
                 kfree(up_ptr);
@@ -952,7 +929,7 @@ int tipc_createport(void *usr_handle,
 
         p_ptr->user_port = up_ptr;
         up_ptr->usr_handle = usr_handle;
-        up_ptr->ref = p_ptr->publ.ref;
+        up_ptr->ref = p_ptr->ref;
         up_ptr->err_cb = error_cb;
         up_ptr->named_err_cb = named_error_cb;
         up_ptr->conn_err_cb = conn_error_cb;
@@ -960,26 +937,26 @@ int tipc_createport(void *usr_handle,
         up_ptr->named_msg_cb = named_msg_cb;
         up_ptr->conn_msg_cb = conn_msg_cb;
         up_ptr->continue_event_cb = continue_event_cb;
-        *portref = p_ptr->publ.ref;
+        *portref = p_ptr->ref;
         tipc_port_unlock(p_ptr);
         return 0;
 }
 
 int tipc_portimportance(u32 ref, unsigned int *importance)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
-        *importance = (unsigned int)msg_importance(&p_ptr->publ.phdr);
+        *importance = (unsigned int)msg_importance(&p_ptr->phdr);
         tipc_port_unlock(p_ptr);
         return 0;
 }
 
 int tipc_set_portimportance(u32 ref, unsigned int imp)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
 
         if (imp > TIPC_CRITICAL_IMPORTANCE)
                 return -EINVAL;
@@ -987,7 +964,7 @@ int tipc_set_portimportance(u32 ref, unsigned int imp)
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
-        msg_set_importance(&p_ptr->publ.phdr, (u32)imp);
+        msg_set_importance(&p_ptr->phdr, (u32)imp);
         tipc_port_unlock(p_ptr);
         return 0;
 }
@@ -995,7 +972,7 @@ int tipc_set_portimportance(u32 ref, unsigned int imp)
 
 int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct publication *publ;
         u32 key;
         int res = -EINVAL;
@@ -1004,7 +981,7 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq)
         if (!p_ptr)
                 return -EINVAL;
 
-        if (p_ptr->publ.connected)
+        if (p_ptr->connected)
                 goto exit;
         if (seq->lower > seq->upper)
                 goto exit;
@@ -1016,11 +993,11 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq)
                 goto exit;
         }
         publ = tipc_nametbl_publish(seq->type, seq->lower, seq->upper,
-                                    scope, p_ptr->publ.ref, key);
+                                    scope, p_ptr->ref, key);
         if (publ) {
                 list_add(&publ->pport_list, &p_ptr->publications);
                 p_ptr->pub_count++;
-                p_ptr->publ.published = 1;
+                p_ptr->published = 1;
                 res = 0;
         }
 exit:
@@ -1030,7 +1007,7 @@ exit:
 
 int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct publication *publ;
         struct publication *tpubl;
         int res = -EINVAL;
@@ -1063,37 +1040,36 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq)
                 }
         }
         if (list_empty(&p_ptr->publications))
-                p_ptr->publ.published = 0;
+                p_ptr->published = 0;
         tipc_port_unlock(p_ptr);
         return res;
 }
 
 int tipc_connect2port(u32 ref, struct tipc_portid const *peer)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
         int res = -EINVAL;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
-        if (p_ptr->publ.published || p_ptr->publ.connected)
+        if (p_ptr->published || p_ptr->connected)
                 goto exit;
         if (!peer->ref)
                 goto exit;
 
-        msg = &p_ptr->publ.phdr;
+        msg = &p_ptr->phdr;
         msg_set_destnode(msg, peer->node);
         msg_set_destport(msg, peer->ref);
         msg_set_orignode(msg, tipc_own_addr);
-        msg_set_origport(msg, p_ptr->publ.ref);
-        msg_set_transp_seqno(msg, 42);
+        msg_set_origport(msg, p_ptr->ref);
         msg_set_type(msg, TIPC_CONN_MSG);
         msg_set_hdr_sz(msg, SHORT_H_SIZE);
 
         p_ptr->probing_interval = PROBING_INTERVAL;
         p_ptr->probing_state = CONFIRMED;
-        p_ptr->publ.connected = 1;
+        p_ptr->connected = 1;
         k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
 
         tipc_nodesub_subscribe(&p_ptr->subscription, peer->node,
@@ -1102,7 +1078,7 @@ int tipc_connect2port(u32 ref, struct tipc_portid const *peer)
         res = 0;
 exit:
         tipc_port_unlock(p_ptr);
-        p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref);
+        p_ptr->max_pkt = tipc_link_get_max_pkt(peer->node, ref);
         return res;
 }
 
@@ -1120,7 +1096,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr)
                 tp_ptr->connected = 0;
                 /* let timer expire on it's own to avoid deadlock! */
                 tipc_nodesub_unsubscribe(
-                        &((struct port *)tp_ptr)->subscription);
+                        &((struct tipc_port *)tp_ptr)->subscription);
                 res = 0;
         } else {
                 res = -ENOTCONN;
@@ -1135,7 +1111,7 @@ int tipc_disconnect_port(struct tipc_port *tp_ptr)
 
 int tipc_disconnect(u32 ref)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         int res;
 
         p_ptr = tipc_port_lock(ref);
@@ -1151,15 +1127,15 @@ int tipc_disconnect(u32 ref)
  */
 int tipc_shutdown(u32 ref)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct sk_buff *buf = NULL;
 
         p_ptr = tipc_port_lock(ref);
         if (!p_ptr)
                 return -EINVAL;
 
-        if (p_ptr->publ.connected) {
-                u32 imp = msg_importance(&p_ptr->publ.phdr);
+        if (p_ptr->connected) {
+                u32 imp = msg_importance(&p_ptr->phdr);
                 if (imp < TIPC_CRITICAL_IMPORTANCE)
                         imp++;
                 buf = port_build_proto_msg(port_peerport(p_ptr),
@@ -1169,7 +1145,6 @@ int tipc_shutdown(u32 ref)
                                            imp,
                                            TIPC_CONN_MSG,
                                            TIPC_CONN_SHUTDOWN,
-                                           port_out_seqno(p_ptr),
                                            0);
         }
         tipc_port_unlock(p_ptr);
@@ -1182,13 +1157,13 @@ int tipc_shutdown(u32 ref)
  *                        message for this node.
  */
 
-static int tipc_port_recv_sections(struct port *sender, unsigned int num_sect,
+static int tipc_port_recv_sections(struct tipc_port *sender, unsigned int num_sect,
                                    struct iovec const *msg_sect)
 {
         struct sk_buff *buf;
         int res;
 
-        res = tipc_msg_build(&sender->publ.phdr, msg_sect, num_sect,
+        res = tipc_msg_build(&sender->phdr, msg_sect, num_sect,
                         MAX_MSG_SIZE, !sender->user_port, &buf);
         if (likely(buf))
                 tipc_port_recv_msg(buf);
@@ -1201,15 +1176,15 @@ static int tipc_port_recv_sections(struct port *sender, unsigned int num_sect,
 
 int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         u32 destnode;
         int res;
 
         p_ptr = tipc_port_deref(ref);
-        if (!p_ptr || !p_ptr->publ.connected)
+        if (!p_ptr || !p_ptr->connected)
                 return -EINVAL;
 
-        p_ptr->publ.congested = 1;
+        p_ptr->congested = 1;
         if (!tipc_port_congested(p_ptr)) {
                 destnode = port_peernode(p_ptr);
                 if (likely(destnode != tipc_own_addr))
@@ -1219,14 +1194,14 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
                         res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
 
                 if (likely(res != -ELINKCONG)) {
-                        port_incr_out_seqno(p_ptr);
-                        p_ptr->publ.congested = 0;
-                        p_ptr->sent++;
+                        p_ptr->congested = 0;
+                        if (res > 0)
+                                p_ptr->sent++;
                         return res;
                 }
         }
         if (port_unreliable(p_ptr)) {
-                p_ptr->publ.congested = 0;
+                p_ptr->congested = 0;
                 /* Just calculate msg length and return */
                 return tipc_msg_calc_data_size(msg_sect, num_sect);
         }
@@ -1240,17 +1215,17 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect)
 int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
            unsigned int num_sect, struct iovec const *msg_sect)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
         u32 destnode = domain;
         u32 destport;
         int res;
 
         p_ptr = tipc_port_deref(ref);
-        if (!p_ptr || p_ptr->publ.connected)
+        if (!p_ptr || p_ptr->connected)
                 return -EINVAL;
 
-        msg = &p_ptr->publ.phdr;
+        msg = &p_ptr->phdr;
         msg_set_type(msg, TIPC_NAMED_MSG);
         msg_set_orignode(msg, tipc_own_addr);
         msg_set_origport(msg, ref);
@@ -1263,13 +1238,17 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
         msg_set_destport(msg, destport);
 
         if (likely(destport)) {
-                p_ptr->sent++;
                 if (likely(destnode == tipc_own_addr))
-                        return tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
-                res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect,
-                                                   destnode);
-                if (likely(res != -ELINKCONG))
+                        res = tipc_port_recv_sections(p_ptr, num_sect,
+                                                      msg_sect);
+                else
+                        res = tipc_link_send_sections_fast(p_ptr, msg_sect,
+                                                           num_sect, destnode);
+                if (likely(res != -ELINKCONG)) {
+                        if (res > 0)
+                                p_ptr->sent++;
                         return res;
+                }
                 if (port_unreliable(p_ptr)) {
                         /* Just calculate msg length and return */
                         return tipc_msg_calc_data_size(msg_sect, num_sect);
@@ -1287,27 +1266,32 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
 int tipc_send2port(u32 ref, struct tipc_portid const *dest,
            unsigned int num_sect, struct iovec const *msg_sect)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
         int res;
 
         p_ptr = tipc_port_deref(ref);
-        if (!p_ptr || p_ptr->publ.connected)
+        if (!p_ptr || p_ptr->connected)
                 return -EINVAL;
 
-        msg = &p_ptr->publ.phdr;
+        msg = &p_ptr->phdr;
         msg_set_type(msg, TIPC_DIRECT_MSG);
         msg_set_orignode(msg, tipc_own_addr);
         msg_set_origport(msg, ref);
         msg_set_destnode(msg, dest->node);
         msg_set_destport(msg, dest->ref);
         msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
-        p_ptr->sent++;
+
         if (dest->node == tipc_own_addr)
-                return tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
-        res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect, dest->node);
-        if (likely(res != -ELINKCONG))
+                res =  tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
+        else
+                res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect,
+                                                   dest->node);
+        if (likely(res != -ELINKCONG)) {
+                if (res > 0)
+                        p_ptr->sent++;
                 return res;
+        }
         if (port_unreliable(p_ptr)) {
                 /* Just calculate msg length and return */
                 return tipc_msg_calc_data_size(msg_sect, num_sect);
@@ -1322,15 +1306,15 @@ int tipc_send2port(u32 ref, struct tipc_portid const *dest,
 int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest,
                struct sk_buff *buf, unsigned int dsz)
 {
-        struct port *p_ptr;
+        struct tipc_port *p_ptr;
         struct tipc_msg *msg;
         int res;
 
-        p_ptr = (struct port *)tipc_ref_deref(ref);
-        if (!p_ptr || p_ptr->publ.connected)
+        p_ptr = (struct tipc_port *)tipc_ref_deref(ref);
+        if (!p_ptr || p_ptr->connected)
                 return -EINVAL;
 
-        msg = &p_ptr->publ.phdr;
+        msg = &p_ptr->phdr;
         msg_set_type(msg, TIPC_DIRECT_MSG);
         msg_set_orignode(msg, tipc_own_addr);
         msg_set_origport(msg, ref);
@@ -1343,12 +1327,16 @@ int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest,
 
         skb_push(buf, DIR_MSG_H_SIZE);
         skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE);
-        p_ptr->sent++;
+
         if (dest->node == tipc_own_addr)
-                return tipc_port_recv_msg(buf);
-        res = tipc_send_buf_fast(buf, dest->node);
-        if (likely(res != -ELINKCONG))
+                res = tipc_port_recv_msg(buf);
+        else
+                res = tipc_send_buf_fast(buf, dest->node);
+        if (likely(res != -ELINKCONG)) {
+                if (res > 0)
+                        p_ptr->sent++;
                 return res;
+        }
         if (port_unreliable(p_ptr))
                 return dsz;
         return -ELINKCONG;