X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=net%2Ftipc%2Fport.c;h=5d2b9ce84d0a1016ecc7fe076b31da8b232a6849;hb=d09f51b6997f3f443c5741bc696651e479576715;hp=b7f3199523caaf846d0aa1479c69888426374040;hpb=bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb;p=linux-2.6-omap-h63xx.git diff --git a/net/tipc/port.c b/net/tipc/port.c index b7f3199523c..5d2b9ce84d0 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -1,8 +1,8 @@ /* * net/tipc/port.c: TIPC port code - * - * Copyright (c) 1992-2006, Ericsson AB - * Copyright (c) 2004-2005, Wind River Systems + * + * Copyright (c) 1992-2007, Ericsson AB + * Copyright (c) 2004-2007, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -126,8 +126,8 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, u32 domain, ext_targets = tipc_nametbl_mc_translate(seq->type, seq->lower, seq->upper, TIPC_NODE_SCOPE, &dports); - - /* Send message to destinations (duplicate it only if necessary) */ + + /* Send message to destinations (duplicate it only if necessary) */ if (ext_targets) { if (dports.count != 0) { @@ -157,7 +157,7 @@ int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, u32 domain, /** * tipc_port_recv_mcast - deliver multicast message to all destination ports - * + * * If there is no port list, perform a lookup to create one */ @@ -213,7 +213,7 @@ exit: /** * tipc_createport_raw - create a native TIPC port - * + * * Returns local port reference */ @@ -239,6 +239,8 @@ u32 tipc_createport_raw(void *usr_handle, } tipc_port_lock(ref); + 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; msg_init(msg, DATA_LOW, TIPC_NAMED_MSG, TIPC_OK, LONG_H_SIZE, 0); @@ -248,11 +250,9 @@ u32 tipc_createport_raw(void *usr_handle, msg_set_importance(msg,importance); p_ptr->last_in_seqno = 41; p_ptr->sent = 1; - p_ptr->publ.usr_handle = usr_handle; INIT_LIST_HEAD(&p_ptr->wait_list); INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list); p_ptr->congested_link = NULL; - p_ptr->max_pkt = MAX_PKT_DEFAULT; p_ptr->dispatcher = dispatcher; p_ptr->wakeup = wakeup; p_ptr->user_port = NULL; @@ -273,7 +273,7 @@ int tipc_deleteport(u32 ref) tipc_withdraw(ref, 0, NULL); p_ptr = tipc_port_lock(ref); - if (!p_ptr) + if (!p_ptr) return -EINVAL; tipc_ref_discard(ref); @@ -302,7 +302,7 @@ int tipc_deleteport(u32 ref) /** * tipc_get_port() - return port associated with 'ref' - * + * * Note: Port is not locked. */ @@ -336,7 +336,7 @@ static int port_unreliable(struct port *p_ptr) int tipc_portunreliable(u32 ref, unsigned int *isunreliable) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -348,7 +348,7 @@ int tipc_portunreliable(u32 ref, unsigned int *isunreliable) int tipc_set_portunreliable(u32 ref, unsigned int isunreliable) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -365,7 +365,7 @@ static int port_unreturnable(struct port *p_ptr) int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -377,7 +377,7 @@ int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable) int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -386,19 +386,19 @@ int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable) return TIPC_OK; } -/* - * port_build_proto_msg(): build a port level protocol - * or a connection abortion message. Called with +/* + * port_build_proto_msg(): build a port level protocol + * or a connection abortion message. Called with * tipc_port lock on. */ static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode, u32 origport, u32 orignode, - u32 usr, u32 type, u32 err, + u32 usr, u32 type, u32 err, u32 seqno, u32 ack) { struct sk_buff *buf; struct tipc_msg *msg; - + buf = buf_acquire(LONG_H_SIZE); if (buf) { msg = buf_msg(buf); @@ -461,10 +461,10 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err) msg_set_orignode(rmsg, tipc_own_addr); else msg_set_orignode(rmsg, msg_destnode(msg)); - msg_set_size(rmsg, data_sz + hdr_sz); + msg_set_size(rmsg, data_sz + hdr_sz); msg_set_nametype(rmsg, msg_nametype(msg)); msg_set_nameinst(rmsg, msg_nameinst(msg)); - memcpy(rbuf->data + hdr_sz, msg_data(msg), data_sz); + skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz); /* send self-abort message when rejecting on a connected port */ if (msg_connected(msg)) { @@ -492,7 +492,7 @@ int tipc_port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr, struct sk_buff *buf; int res; - res = msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE, + res = msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE, !p_ptr->user_port, &buf); if (!buf) return res; @@ -523,7 +523,7 @@ static void port_timeout(unsigned long ref) tipc_own_addr, CONN_MANAGER, CONN_PROBE, - TIPC_OK, + TIPC_OK, port_out_seqno(p_ptr), 0); port_incr_out_seqno(p_ptr); @@ -562,7 +562,7 @@ static struct sk_buff *port_build_self_abort_msg(struct port *p_ptr, u32 err) port_peernode(p_ptr), imp, TIPC_CONN_MSG, - err, + err, p_ptr->last_in_seqno + 1, 0); } @@ -582,7 +582,7 @@ static struct sk_buff *port_build_peer_abort_msg(struct port *p_ptr, u32 err) tipc_own_addr, imp, TIPC_CONN_MSG, - err, + err, port_out_seqno(p_ptr), 0); } @@ -613,7 +613,7 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf) } } if (msg_type(msg) == CONN_ACK) { - int wakeup = tipc_port_congested(p_ptr) && + int wakeup = tipc_port_congested(p_ptr) && p_ptr->publ.congested && p_ptr->wakeup; p_ptr->acked += msg_msgcnt(msg); @@ -630,8 +630,8 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf) } if (err) { r_buf = port_build_proto_msg(msg_origport(msg), - msg_orignode(msg), - msg_destport(msg), + msg_orignode(msg), + msg_destport(msg), tipc_own_addr, DATA_HIGH, TIPC_CONN_MSG, @@ -643,10 +643,10 @@ void tipc_port_recv_proto_msg(struct sk_buff *buf) /* All is fine */ if (msg_type(msg) == CONN_PROBE) { - r_buf = port_build_proto_msg(msg_origport(msg), - msg_orignode(msg), - msg_destport(msg), - tipc_own_addr, + r_buf = port_build_proto_msg(msg_origport(msg), + msg_orignode(msg), + msg_destport(msg), + tipc_own_addr, CONN_MANAGER, CONN_PROBE_REPLY, TIPC_OK, @@ -665,39 +665,39 @@ exit: static void port_print(struct port *p_ptr, struct print_buf *buf, int full_id) { - struct publication *publ; + struct publication *publ; if (full_id) - tipc_printf(buf, "<%u.%u.%u:%u>:", + 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->publ.ref); else tipc_printf(buf, "%-10u:", p_ptr->publ.ref); - if (p_ptr->publ.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) - tipc_printf(buf, " via {%u,%u}", - p_ptr->publ.conn_type, - p_ptr->publ.conn_instance); - } - else if (p_ptr->publ.published) { - tipc_printf(buf, " bound to"); - list_for_each_entry(publ, &p_ptr->publications, pport_list) { + if (p_ptr->publ.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) + tipc_printf(buf, " via {%u,%u}", + p_ptr->publ.conn_type, + p_ptr->publ.conn_instance); + } + else if (p_ptr->publ.published) { + tipc_printf(buf, " bound to"); + list_for_each_entry(publ, &p_ptr->publications, pport_list) { if (publ->lower == publ->upper) tipc_printf(buf, " {%u,%u}", publ->type, publ->lower); else - tipc_printf(buf, " {%u,%u,%u}", publ->type, + tipc_printf(buf, " {%u,%u,%u}", publ->type, publ->lower, publ->upper); - } - } - tipc_printf(buf, "\n"); + } + } + tipc_printf(buf, "\n"); } #define MAX_PORT_QUERY 32768 @@ -818,7 +818,7 @@ static void port_dispatcher_sigh(void *dummy) struct sk_buff *next = buf->next; struct tipc_msg *msg = buf_msg(buf); u32 dref = msg_destport(msg); - + message_type = msg_type(msg); if (message_type > TIPC_DIRECT_MSG) goto reject; /* Unsupported message type */ @@ -838,7 +838,7 @@ static void port_dispatcher_sigh(void *dummy) goto err; switch (message_type) { - + case TIPC_CONN_MSG:{ tipc_conn_msg_event cb = up_ptr->conn_msg_cb; u32 peer_port = port_peerport(p_ptr); @@ -856,9 +856,9 @@ static void port_dispatcher_sigh(void *dummy) goto reject; if (unlikely(!cb)) goto reject; - if (unlikely(++p_ptr->publ.conn_unacked >= + if (unlikely(++p_ptr->publ.conn_unacked >= TIPC_FLOW_CONTROL_WIN)) - tipc_acknowledge(dref, + tipc_acknowledge(dref, p_ptr->publ.conn_unacked); skb_pull(buf, msg_hdr_sz(msg)); cb(usr_handle, dref, &buf, msg_data(msg), @@ -874,7 +874,7 @@ static void port_dispatcher_sigh(void *dummy) if (unlikely(!cb)) goto reject; skb_pull(buf, msg_hdr_sz(msg)); - cb(usr_handle, dref, &buf, msg_data(msg), + cb(usr_handle, dref, &buf, msg_data(msg), msg_data_sz(msg), msg_importance(msg), &orig); break; @@ -895,7 +895,7 @@ static void port_dispatcher_sigh(void *dummy) dseq.upper = (message_type == TIPC_NAMED_MSG) ? dseq.lower : msg_nameupper(msg); skb_pull(buf, msg_hdr_sz(msg)); - cb(usr_handle, dref, &buf, msg_data(msg), + cb(usr_handle, dref, &buf, msg_data(msg), msg_data_sz(msg), msg_importance(msg), &orig, &dseq); break; @@ -907,9 +907,9 @@ static void port_dispatcher_sigh(void *dummy) continue; err: switch (message_type) { - + case TIPC_CONN_MSG:{ - tipc_conn_shutdown_event cb = + tipc_conn_shutdown_event cb = up_ptr->conn_err_cb; u32 peer_port = port_peerport(p_ptr); u32 peer_node = port_peernode(p_ptr); @@ -940,7 +940,7 @@ err: } case TIPC_MCAST_MSG: case TIPC_NAMED_MSG:{ - tipc_named_msg_err_event cb = + tipc_named_msg_err_event cb = up_ptr->named_err_cb; spin_unlock_bh(p_ptr->publ.lock); @@ -951,7 +951,7 @@ err: dseq.upper = (message_type == TIPC_NAMED_MSG) ? dseq.lower : msg_nameupper(msg); skb_pull(buf, msg_hdr_sz(msg)); - cb(usr_handle, dref, &buf, msg_data(msg), + cb(usr_handle, dref, &buf, msg_data(msg), msg_data_sz(msg), msg_errcode(msg), &dseq); break; } @@ -986,9 +986,9 @@ static u32 port_dispatcher(struct tipc_port *dummy, struct sk_buff *buf) return TIPC_OK; } -/* +/* * Wake up port after congestion: Called with port locked, - * + * */ static void port_wakeup_sh(unsigned long ref) @@ -1033,7 +1033,7 @@ void tipc_acknowledge(u32 ref, u32 ack) tipc_own_addr, CONN_MANAGER, CONN_ACK, - TIPC_OK, + TIPC_OK, port_out_seqno(p_ptr), ack); } @@ -1046,20 +1046,20 @@ void tipc_acknowledge(u32 ref, u32 ack) * registry if non-zero user_ref. */ -int tipc_createport(u32 user_ref, - void *usr_handle, - unsigned int importance, - tipc_msg_err_event error_cb, - tipc_named_msg_err_event named_error_cb, - tipc_conn_shutdown_event conn_error_cb, - tipc_msg_event msg_cb, - tipc_named_msg_event named_msg_cb, - tipc_conn_msg_event conn_msg_cb, +int tipc_createport(u32 user_ref, + void *usr_handle, + unsigned int importance, + tipc_msg_err_event error_cb, + tipc_named_msg_err_event named_error_cb, + tipc_conn_shutdown_event conn_error_cb, + tipc_msg_event msg_cb, + tipc_named_msg_event named_msg_cb, + tipc_conn_msg_event conn_msg_cb, tipc_continue_event continue_event_cb,/* May be zero */ u32 *portref) { struct user_port *up_ptr; - struct port *p_ptr; + struct port *p_ptr; u32 ref; up_ptr = kmalloc(sizeof(*up_ptr), GFP_ATOMIC); @@ -1088,7 +1088,7 @@ int tipc_createport(u32 user_ref, INIT_LIST_HEAD(&up_ptr->uport_list); tipc_reg_add_port(up_ptr); *portref = p_ptr->publ.ref; - dbg(" tipc_createport: %x with ref %u\n", p_ptr, p_ptr->publ.ref); + dbg(" tipc_createport: %x with ref %u\n", p_ptr, p_ptr->publ.ref); tipc_port_unlock(p_ptr); return TIPC_OK; } @@ -1103,7 +1103,7 @@ int tipc_ownidentity(u32 ref, struct tipc_portid *id) int tipc_portimportance(u32 ref, unsigned int *importance) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -1172,19 +1172,19 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) struct publication *publ; struct publication *tpubl; int res = -EINVAL; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; if (!seq) { - list_for_each_entry_safe(publ, tpubl, + list_for_each_entry_safe(publ, tpubl, &p_ptr->publications, pport_list) { - tipc_nametbl_withdraw(publ->type, publ->lower, + tipc_nametbl_withdraw(publ->type, publ->lower, publ->ref, publ->key); } res = TIPC_OK; } else { - list_for_each_entry_safe(publ, tpubl, + list_for_each_entry_safe(publ, tpubl, &p_ptr->publications, pport_list) { if (publ->scope != scope) continue; @@ -1194,7 +1194,7 @@ int tipc_withdraw(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) continue; if (publ->upper != seq->upper) break; - tipc_nametbl_withdraw(publ->type, publ->lower, + tipc_nametbl_withdraw(publ->type, publ->lower, publ->ref, publ->key); res = TIPC_OK; break; @@ -1243,7 +1243,7 @@ int tipc_connect2port(u32 ref, struct tipc_portid const *peer) res = TIPC_OK; exit: tipc_port_unlock(p_ptr); - p_ptr->max_pkt = tipc_link_get_max_pkt(peer->node, ref); + p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref); return res; } @@ -1292,7 +1292,7 @@ int tipc_shutdown(u32 ref) tipc_own_addr, imp, TIPC_CONN_MSG, - TIPC_CONN_SHUTDOWN, + TIPC_CONN_SHUTDOWN, port_out_seqno(p_ptr), 0); } @@ -1304,7 +1304,7 @@ int tipc_shutdown(u32 ref) int tipc_isconnected(u32 ref, int *isconnected) { struct port *p_ptr; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -1317,7 +1317,7 @@ int tipc_peer(u32 ref, struct tipc_portid *peer) { struct port *p_ptr; int res; - + p_ptr = tipc_port_lock(ref); if (!p_ptr) return -EINVAL; @@ -1348,7 +1348,7 @@ int tipc_port_recv_sections(struct port *sender, unsigned int num_sect, { struct sk_buff *buf; int res; - + res = msg_build(&sender->publ.phdr, msg_sect, num_sect, MAX_MSG_SIZE, !sender->user_port, &buf); if (likely(buf)) @@ -1394,7 +1394,7 @@ int tipc_send(u32 ref, unsigned int num_sect, struct iovec const *msg_sect) return -ELINKCONG; } -/** +/** * tipc_send_buf - send message buffer on connection */ @@ -1406,7 +1406,7 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz) u32 hsz; u32 sz; u32 res; - + p_ptr = tipc_port_deref(ref); if (!p_ptr || !p_ptr->publ.connected) return -EINVAL; @@ -1419,7 +1419,7 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz) return -ENOMEM; skb_push(buf, hsz); - memcpy(buf->data, (unchar *)msg, hsz); + skb_copy_to_linear_data(buf, msg, hsz); destnode = msg_destnode(msg); p_ptr->publ.congested = 1; if (!tipc_port_congested(p_ptr)) { @@ -1447,12 +1447,12 @@ int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz) * tipc_forward2name - forward message sections to port name */ -int tipc_forward2name(u32 ref, - struct tipc_name const *name, +int tipc_forward2name(u32 ref, + struct tipc_name const *name, u32 domain, - u32 num_sect, + u32 num_sect, struct iovec const *msg_sect, - struct tipc_portid const *orig, + struct tipc_portid const *orig, unsigned int importance) { struct port *p_ptr; @@ -1483,7 +1483,7 @@ int tipc_forward2name(u32 ref, 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, + res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect, destnode); if (likely(res != -ELINKCONG)) return res; @@ -1493,7 +1493,7 @@ int tipc_forward2name(u32 ref, } return -ELINKCONG; } - return tipc_port_reject_sections(p_ptr, msg, msg_sect, num_sect, + return tipc_port_reject_sections(p_ptr, msg, msg_sect, num_sect, TIPC_ERR_NO_NAME); } @@ -1501,10 +1501,10 @@ int tipc_forward2name(u32 ref, * tipc_send2name - send message sections to port name */ -int tipc_send2name(u32 ref, +int tipc_send2name(u32 ref, struct tipc_name const *name, - unsigned int domain, - unsigned int num_sect, + unsigned int domain, + unsigned int num_sect, struct iovec const *msg_sect) { struct tipc_portid orig; @@ -1515,7 +1515,7 @@ int tipc_send2name(u32 ref, TIPC_PORT_IMPORTANCE); } -/** +/** * tipc_forward_buf2name - forward message buffer to port name */ @@ -1555,7 +1555,7 @@ int tipc_forward_buf2name(u32 ref, if (skb_cow(buf, LONG_H_SIZE)) return -ENOMEM; skb_push(buf, LONG_H_SIZE); - memcpy(buf->data, (unchar *)msg, LONG_H_SIZE); + skb_copy_to_linear_data(buf, msg, LONG_H_SIZE); msg_dbg(buf_msg(buf),"PREP:"); if (likely(destport || destnode)) { p_ptr->sent++; @@ -1571,14 +1571,14 @@ int tipc_forward_buf2name(u32 ref, return tipc_reject_msg(buf, TIPC_ERR_NO_NAME); } -/** +/** * tipc_send_buf2name - send message buffer to port name */ -int tipc_send_buf2name(u32 ref, - struct tipc_name const *dest, +int tipc_send_buf2name(u32 ref, + struct tipc_name const *dest, u32 domain, - struct sk_buff *buf, + struct sk_buff *buf, unsigned int dsz) { struct tipc_portid orig; @@ -1589,15 +1589,15 @@ int tipc_send_buf2name(u32 ref, TIPC_PORT_IMPORTANCE); } -/** +/** * tipc_forward2port - forward message sections to port identity */ int tipc_forward2port(u32 ref, struct tipc_portid const *dest, - unsigned int num_sect, + unsigned int num_sect, struct iovec const *msg_sect, - struct tipc_portid const *orig, + struct tipc_portid const *orig, unsigned int importance) { struct port *p_ptr; @@ -1630,24 +1630,24 @@ int tipc_forward2port(u32 ref, return -ELINKCONG; } -/** - * tipc_send2port - send message sections to port identity +/** + * tipc_send2port - send message sections to port identity */ -int tipc_send2port(u32 ref, +int tipc_send2port(u32 ref, struct tipc_portid const *dest, - unsigned int num_sect, + unsigned int num_sect, struct iovec const *msg_sect) { struct tipc_portid orig; orig.ref = ref; orig.node = tipc_own_addr; - return tipc_forward2port(ref, dest, num_sect, msg_sect, &orig, + return tipc_forward2port(ref, dest, num_sect, msg_sect, &orig, TIPC_PORT_IMPORTANCE); } -/** +/** * tipc_forward_buf2port - forward message buffer to port identity */ int tipc_forward_buf2port(u32 ref, @@ -1679,7 +1679,7 @@ int tipc_forward_buf2port(u32 ref, return -ENOMEM; skb_push(buf, DIR_MSG_H_SIZE); - memcpy(buf->data, (unchar *)msg, DIR_MSG_H_SIZE); + skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE); msg_dbg(msg, "buf2port: "); p_ptr->sent++; if (dest->node == tipc_own_addr) @@ -1692,20 +1692,20 @@ int tipc_forward_buf2port(u32 ref, return -ELINKCONG; } -/** +/** * tipc_send_buf2port - send message buffer to port identity */ -int tipc_send_buf2port(u32 ref, +int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest, - struct sk_buff *buf, + struct sk_buff *buf, unsigned int dsz) { struct tipc_portid orig; orig.ref = ref; orig.node = tipc_own_addr; - return tipc_forward_buf2port(ref, dest, buf, dsz, &orig, + return tipc_forward_buf2port(ref, dest, buf, dsz, &orig, TIPC_PORT_IMPORTANCE); }