/*
* net/tipc/port.c: TIPC port code
- *
- * Copyright (c) 2003-2005, Ericsson Research Canada
- * Copyright (c) 2004-2005, Wind River Systems
- * Copyright (c) 2005-2006, Ericsson AB
+ *
+ * Copyright (c) 1992-2007, Ericsson AB
+ * Copyright (c) 2004-2008, Wind River Systems
* All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
+ * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "addr.h"
#include "link.h"
#include "node.h"
-#include "port.h"
#include "name_table.h"
#include "user_reg.h"
#include "msg.h"
#define MAX_REJECT_SIZE 1024
-static struct sk_buff *msg_queue_head = 0;
-static struct sk_buff *msg_queue_tail = 0;
+static struct sk_buff *msg_queue_head = NULL;
+static struct sk_buff *msg_queue_tail = NULL;
-spinlock_t port_list_lock = SPIN_LOCK_UNLOCKED;
-static spinlock_t queue_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(tipc_port_list_lock);
+static DEFINE_SPINLOCK(queue_lock);
-LIST_HEAD(ports);
+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 void port_timeout(unsigned long ref);
-static inline u32 port_peernode(struct port *p_ptr)
+static u32 port_peernode(struct port *p_ptr)
{
return msg_destnode(&p_ptr->publ.phdr);
}
-static inline u32 port_peerport(struct port *p_ptr)
+static u32 port_peerport(struct port *p_ptr)
{
return msg_destport(&p_ptr->publ.phdr);
}
-static inline u32 port_out_seqno(struct port *p_ptr)
+static u32 port_out_seqno(struct port *p_ptr)
{
return msg_transp_seqno(&p_ptr->publ.phdr);
}
-static inline void port_set_out_seqno(struct port *p_ptr, u32 seqno)
-{
- msg_set_transp_seqno(&p_ptr->publ.phdr,seqno);
-}
-
-static inline void port_incr_out_seqno(struct port *p_ptr)
+static void port_incr_out_seqno(struct port *p_ptr)
{
struct tipc_msg *m = &p_ptr->publ.phdr;
struct sk_buff *buf;
struct sk_buff *ibuf = NULL;
struct port_list dports = {0, NULL, };
- struct port *oport = port_deref(ref);
+ struct port *oport = tipc_port_deref(ref);
int ext_targets;
int res;
/* Figure out where to send multicast message */
- ext_targets = nametbl_mc_translate(seq->type, seq->lower, seq->upper,
- TIPC_NODE_SCOPE, &dports);
-
- /* Send message to destinations (duplicate it only if necessary) */
+ 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) */
if (ext_targets) {
if (dports.count != 0) {
ibuf = skb_copy(buf, GFP_ATOMIC);
if (ibuf == NULL) {
- port_list_free(&dports);
+ tipc_port_list_free(&dports);
buf_discard(buf);
return -ENOMEM;
}
}
- res = bclink_send_msg(buf);
+ res = tipc_bclink_send_msg(buf);
if ((res < 0) && (dports.count != 0)) {
buf_discard(ibuf);
}
if (res >= 0) {
if (ibuf)
- port_recv_mcast(ibuf, &dports);
+ tipc_port_recv_mcast(ibuf, &dports);
} else {
- port_list_free(&dports);
+ tipc_port_list_free(&dports);
}
return res;
}
/**
- * port_recv_mcast - deliver multicast message to all destination ports
- *
+ * tipc_port_recv_mcast - deliver multicast message to all destination ports
+ *
* If there is no port list, perform a lookup to create one
*/
-void port_recv_mcast(struct sk_buff *buf, struct port_list *dp)
+void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp)
{
struct tipc_msg* msg;
struct port_list dports = {0, NULL, };
struct port_list *item = dp;
int cnt = 0;
- assert(buf);
msg = buf_msg(buf);
/* Create destination port list, if one wasn't supplied */
if (dp == NULL) {
- nametbl_mc_translate(msg_nametype(msg),
+ tipc_nametbl_mc_translate(msg_nametype(msg),
msg_namelower(msg),
msg_nameupper(msg),
TIPC_CLUSTER_SCOPE,
if (dp->count != 0) {
if (dp->count == 1) {
msg_set_destport(msg, dp->ports[0]);
- port_recv_msg(buf);
- port_list_free(dp);
+ tipc_port_recv_msg(buf);
+ tipc_port_list_free(dp);
return;
}
for (; cnt < dp->count; cnt++) {
struct sk_buff *b = skb_clone(buf, GFP_ATOMIC);
if (b == NULL) {
- warn("Buffer allocation failure\n");
+ warn("Unable to deliver multicast message(s)\n");
msg_dbg(msg, "LOST:");
goto exit;
}
item = item->next;
}
msg_set_destport(buf_msg(b),item->ports[index]);
- port_recv_msg(b);
+ tipc_port_recv_msg(b);
}
}
exit:
buf_discard(buf);
- port_list_free(dp);
+ tipc_port_list_free(dp);
}
/**
- * tipc_createport_raw - create a native TIPC port
- *
- * Returns local port reference
+ * tipc_createport_raw - create a generic TIPC port
+ *
+ * Returns pointer to (locked) TIPC port, or NULL if unable to create it
*/
-u32 tipc_createport_raw(void *usr_handle,
+struct tipc_port *tipc_createport_raw(void *usr_handle,
u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
void (*wakeup)(struct tipc_port *),
const u32 importance)
struct tipc_msg *msg;
u32 ref;
- p_ptr = kmalloc(sizeof(*p_ptr), GFP_ATOMIC);
- if (p_ptr == NULL) {
- warn("Memory squeeze; failed to create port\n");
- return 0;
+ p_ptr = kzalloc(sizeof(*p_ptr), GFP_ATOMIC);
+ if (!p_ptr) {
+ warn("Port creation failed, no memory\n");
+ return NULL;
}
- memset(p_ptr, 0, sizeof(*p_ptr));
- ref = ref_acquire(p_ptr, &p_ptr->publ.lock);
+ ref = tipc_ref_acquire(p_ptr, &p_ptr->publ.lock);
if (!ref) {
- warn("Reference Table Exhausted\n");
+ warn("Port creation failed, reference table exhausted\n");
kfree(p_ptr);
- return 0;
+ return NULL;
}
- 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);
- msg_set_orignode(msg, tipc_own_addr);
- msg_set_prevnode(msg, tipc_own_addr);
+ msg_init(msg, importance, TIPC_NAMED_MSG, LONG_H_SIZE, 0);
msg_set_origport(msg, ref);
- 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 = 0;
- p_ptr->max_pkt = MAX_PKT_DEFAULT;
+ p_ptr->congested_link = NULL;
p_ptr->dispatcher = dispatcher;
p_ptr->wakeup = wakeup;
- p_ptr->user_port = 0;
+ p_ptr->user_port = NULL;
k_init_timer(&p_ptr->timer, (Handler)port_timeout, ref);
- spin_lock_bh(&port_list_lock);
+ spin_lock_bh(&tipc_port_list_lock);
INIT_LIST_HEAD(&p_ptr->publications);
INIT_LIST_HEAD(&p_ptr->port_list);
list_add_tail(&p_ptr->port_list, &ports);
- spin_unlock_bh(&port_list_lock);
- port_unlock(p_ptr);
- return ref;
+ spin_unlock_bh(&tipc_port_list_lock);
+ return &(p_ptr->publ);
}
int tipc_deleteport(u32 ref)
{
struct port *p_ptr;
- struct sk_buff *buf = 0;
+ struct sk_buff *buf = NULL;
- tipc_withdraw(ref, 0, 0);
- p_ptr = port_lock(ref);
- if (!p_ptr)
+ tipc_withdraw(ref, 0, NULL);
+ p_ptr = tipc_port_lock(ref);
+ if (!p_ptr)
return -EINVAL;
- ref_discard(ref);
- port_unlock(p_ptr);
+ tipc_ref_discard(ref);
+ tipc_port_unlock(p_ptr);
k_cancel_timer(&p_ptr->timer);
if (p_ptr->publ.connected) {
buf = port_build_peer_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
- nodesub_unsubscribe(&p_ptr->subscription);
+ tipc_nodesub_unsubscribe(&p_ptr->subscription);
}
if (p_ptr->user_port) {
- reg_remove_port(p_ptr->user_port);
+ tipc_reg_remove_port(p_ptr->user_port);
kfree(p_ptr->user_port);
}
- spin_lock_bh(&port_list_lock);
+ spin_lock_bh(&tipc_port_list_lock);
list_del(&p_ptr->port_list);
list_del(&p_ptr->wait_list);
- spin_unlock_bh(&port_list_lock);
+ spin_unlock_bh(&tipc_port_list_lock);
k_term_timer(&p_ptr->timer);
kfree(p_ptr);
dbg("Deleted port %u\n", ref);
- net_route_msg(buf);
- return TIPC_OK;
+ tipc_net_route_msg(buf);
+ return 0;
}
/**
* tipc_get_port() - return port associated with 'ref'
- *
+ *
* Note: Port is not locked.
*/
struct tipc_port *tipc_get_port(const u32 ref)
{
- return (struct tipc_port *)ref_deref(ref);
+ return (struct tipc_port *)tipc_ref_deref(ref);
}
/**
struct port *p_ptr;
void * handle;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
- return 0;
+ return NULL;
handle = p_ptr->publ.usr_handle;
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
return handle;
}
-static inline int port_unreliable(struct port *p_ptr)
+static int port_unreliable(struct port *p_ptr)
{
return msg_src_droppable(&p_ptr->publ.phdr);
}
int tipc_portunreliable(u32 ref, unsigned int *isunreliable)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*isunreliable = port_unreliable(p_ptr);
- spin_unlock_bh(p_ptr->publ.lock);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
int tipc_set_portunreliable(u32 ref, unsigned int isunreliable)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
msg_set_src_droppable(&p_ptr->publ.phdr, (isunreliable != 0));
- port_unlock(p_ptr);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
-static inline int port_unreturnable(struct port *p_ptr)
+static int port_unreturnable(struct port *p_ptr)
{
return msg_dest_droppable(&p_ptr->publ.phdr);
}
int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*isunrejectable = port_unreturnable(p_ptr);
- spin_unlock_bh(p_ptr->publ.lock);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
msg_set_dest_droppable(&p_ptr->publ.phdr, (isunrejectable != 0));
- port_unlock(p_ptr);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
-/*
- * 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);
- msg_init(msg, usr, type, err, LONG_H_SIZE, destnode);
+ msg_init(msg, usr, type, LONG_H_SIZE, destnode);
+ msg_set_errcode(msg, err);
msg_set_destport(msg, destport);
msg_set_origport(msg, origport);
- msg_set_destnode(msg, destnode);
msg_set_orignode(msg, orignode);
msg_set_transp_seqno(msg, seqno);
msg_set_msgcnt(msg, ack);
return buf;
}
-int tipc_set_msg_option(struct tipc_port *tp_ptr, const char *opt, const u32 sz)
-{
- msg_expand(&tp_ptr->phdr, msg_destnode(&tp_ptr->phdr));
- msg_set_options(&tp_ptr->phdr, opt, sz);
- return TIPC_OK;
-}
-
int tipc_reject_msg(struct sk_buff *buf, u32 err)
{
struct tipc_msg *msg = buf_msg(buf);
return data_sz;
}
rmsg = buf_msg(rbuf);
- msg_init(rmsg, imp, msg_type(msg), err, hdr_sz, msg_orignode(msg));
+ msg_init(rmsg, imp, msg_type(msg), hdr_sz, msg_orignode(msg));
+ msg_set_errcode(rmsg, err);
msg_set_destport(rmsg, msg_origport(msg));
- msg_set_prevnode(rmsg, tipc_own_addr);
msg_set_origport(rmsg, msg_destport(msg));
- if (msg_short(msg))
+ if (msg_short(msg)) {
msg_set_orignode(rmsg, tipc_own_addr);
- else
+ /* leave name type & instance as zeroes */
+ } else {
msg_set_orignode(rmsg, msg_destnode(msg));
- 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);
+ msg_set_nametype(rmsg, msg_nametype(msg));
+ msg_set_nameinst(rmsg, msg_nameinst(msg));
+ }
+ msg_set_size(rmsg, data_sz + hdr_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)) {
- struct sk_buff *abuf = 0;
- struct port *p_ptr = port_lock(msg_destport(msg));
+ struct sk_buff *abuf = NULL;
+ struct port *p_ptr = tipc_port_lock(msg_destport(msg));
if (p_ptr) {
if (p_ptr->publ.connected)
abuf = port_build_self_abort_msg(p_ptr, err);
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
}
- net_route_msg(abuf);
+ tipc_net_route_msg(abuf);
}
/* send rejected message */
buf_discard(buf);
- net_route_msg(rbuf);
+ tipc_net_route_msg(rbuf);
return data_sz;
}
-int port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
- struct iovec const *msg_sect, u32 num_sect,
- int err)
+int tipc_port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
+ struct iovec const *msg_sect, u32 num_sect,
+ int err)
{
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;
static void port_timeout(unsigned long ref)
{
- struct port *p_ptr = port_lock(ref);
- struct sk_buff *buf = 0;
+ struct port *p_ptr = tipc_port_lock(ref);
+ struct sk_buff *buf = NULL;
- if (!p_ptr || !p_ptr->publ.connected)
+ if (!p_ptr)
+ return;
+
+ if (!p_ptr->publ.connected) {
+ tipc_port_unlock(p_ptr);
return;
+ }
/* Last probe answered ? */
if (p_ptr->probing_state == PROBING) {
tipc_own_addr,
CONN_MANAGER,
CONN_PROBE,
- TIPC_OK,
+ 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);
}
- port_unlock(p_ptr);
- net_route_msg(buf);
+ tipc_port_unlock(p_ptr);
+ tipc_net_route_msg(buf);
}
static void port_handle_node_down(unsigned long ref)
{
- struct port *p_ptr = port_lock(ref);
- struct sk_buff* buf = 0;
+ struct port *p_ptr = tipc_port_lock(ref);
+ struct sk_buff* buf = NULL;
if (!p_ptr)
return;
buf = port_build_self_abort_msg(p_ptr, TIPC_ERR_NO_NODE);
- port_unlock(p_ptr);
- net_route_msg(buf);
+ tipc_port_unlock(p_ptr);
+ tipc_net_route_msg(buf);
}
u32 imp = msg_importance(&p_ptr->publ.phdr);
if (!p_ptr->publ.connected)
- return 0;
+ return NULL;
if (imp < TIPC_CRITICAL_IMPORTANCE)
imp++;
return port_build_proto_msg(p_ptr->publ.ref,
port_peernode(p_ptr),
imp,
TIPC_CONN_MSG,
- err,
+ err,
p_ptr->last_in_seqno + 1,
0);
}
u32 imp = msg_importance(&p_ptr->publ.phdr);
if (!p_ptr->publ.connected)
- return 0;
+ return NULL;
if (imp < TIPC_CRITICAL_IMPORTANCE)
imp++;
return port_build_proto_msg(port_peerport(p_ptr),
tipc_own_addr,
imp,
TIPC_CONN_MSG,
- err,
+ err,
port_out_seqno(p_ptr),
0);
}
-void port_recv_proto_msg(struct sk_buff *buf)
+void tipc_port_recv_proto_msg(struct sk_buff *buf)
{
struct tipc_msg *msg = buf_msg(buf);
- struct port *p_ptr = port_lock(msg_destport(msg));
+ struct port *p_ptr = tipc_port_lock(msg_destport(msg));
u32 err = TIPC_OK;
- struct sk_buff *r_buf = 0;
- struct sk_buff *abort_buf = 0;
+ struct sk_buff *r_buf = NULL;
+ struct sk_buff *abort_buf = NULL;
msg_dbg(msg, "PORT<RECV<:");
}
}
if (msg_type(msg) == CONN_ACK) {
- int wakeup = port_congested(p_ptr) &&
+ int wakeup = tipc_port_congested(p_ptr) &&
p_ptr->publ.congested &&
p_ptr->wakeup;
p_ptr->acked += msg_msgcnt(msg);
- if (port_congested(p_ptr))
+ if (tipc_port_congested(p_ptr))
goto exit;
p_ptr->publ.congested = 0;
if (!wakeup)
}
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_HIGH_IMPORTANCE,
TIPC_CONN_MSG,
err,
0,
/* 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,
port_incr_out_seqno(p_ptr);
exit:
if (p_ptr)
- port_unlock(p_ptr);
- net_route_msg(r_buf);
- net_route_msg(abort_buf);
+ tipc_port_unlock(p_ptr);
+ tipc_net_route_msg(r_buf);
+ tipc_net_route_msg(abort_buf);
buf_discard(buf);
}
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
-struct sk_buff *port_get_ports(void)
+struct sk_buff *tipc_port_get_ports(void)
{
struct sk_buff *buf;
struct tlv_desc *rep_tlv;
struct port *p_ptr;
int str_len;
- buf = cfg_reply_alloc(TLV_SPACE(MAX_PORT_QUERY));
+ buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_PORT_QUERY));
if (!buf)
return NULL;
rep_tlv = (struct tlv_desc *)buf->data;
- printbuf_init(&pb, TLV_DATA(rep_tlv), MAX_PORT_QUERY);
- spin_lock_bh(&port_list_lock);
+ 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);
port_print(p_ptr, &pb, 0);
spin_unlock_bh(p_ptr->publ.lock);
}
- spin_unlock_bh(&port_list_lock);
- str_len = printbuf_validate(&pb);
+ spin_unlock_bh(&tipc_port_list_lock);
+ str_len = tipc_printbuf_validate(&pb);
skb_put(buf, TLV_SPACE(str_len));
TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len);
ref = *(u32 *)TLV_DATA(req_tlv_area);
ref = ntohl(ref);
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return cfg_reply_error_string("port not found");
- buf = cfg_reply_alloc(TLV_SPACE(MAX_PORT_STATS));
+ buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_PORT_STATS));
if (!buf) {
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
return NULL;
}
rep_tlv = (struct tlv_desc *)buf->data;
- printbuf_init(&pb, TLV_DATA(rep_tlv), MAX_PORT_STATS);
+ tipc_printbuf_init(&pb, TLV_DATA(rep_tlv), MAX_PORT_STATS);
port_print(p_ptr, &pb, 1);
/* NEED TO FILL IN ADDITIONAL PORT STATISTICS HERE */
- port_unlock(p_ptr);
- str_len = printbuf_validate(&pb);
+ tipc_port_unlock(p_ptr);
+ str_len = tipc_printbuf_validate(&pb);
skb_put(buf, TLV_SPACE(str_len));
TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len);
#endif
-void port_reinit(void)
+void tipc_port_reinit(void)
{
struct port *p_ptr;
struct tipc_msg *msg;
- spin_lock_bh(&port_list_lock);
+ spin_lock_bh(&tipc_port_list_lock);
list_for_each_entry(p_ptr, &ports, port_list) {
msg = &p_ptr->publ.phdr;
if (msg_orignode(msg) == tipc_own_addr)
break;
+ msg_set_prevnode(msg, tipc_own_addr);
msg_set_orignode(msg, tipc_own_addr);
}
- spin_unlock_bh(&port_list_lock);
+ spin_unlock_bh(&tipc_port_list_lock);
}
spin_lock_bh(&queue_lock);
buf = msg_queue_head;
- msg_queue_head = 0;
+ msg_queue_head = NULL;
spin_unlock_bh(&queue_lock);
while (buf) {
void *usr_handle;
int connected;
int published;
+ u32 message_type;
struct sk_buff *next = buf->next;
struct tipc_msg *msg = buf_msg(buf);
u32 dref = msg_destport(msg);
-
- p_ptr = port_lock(dref);
- if (!p_ptr) {
- /* Port deleted while msg in queue */
- tipc_reject_msg(buf, TIPC_ERR_NO_PORT);
- buf = next;
- continue;
- }
+
+ message_type = msg_type(msg);
+ if (message_type > TIPC_DIRECT_MSG)
+ goto reject; /* Unsupported message type */
+
+ p_ptr = tipc_port_lock(dref);
+ if (!p_ptr)
+ goto reject; /* Port deleted while msg in queue */
+
orig.ref = msg_origport(msg);
orig.node = msg_orignode(msg);
up_ptr = p_ptr->user_port;
if (unlikely(msg_errcode(msg)))
goto err;
- switch (msg_type(msg)) {
-
+ switch (message_type) {
+
case TIPC_CONN_MSG:{
tipc_conn_msg_event cb = up_ptr->conn_msg_cb;
u32 peer_port = port_peerport(p_ptr);
u32 peer_node = port_peernode(p_ptr);
- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
+ if (unlikely(!cb))
+ goto reject;
if (unlikely(!connected)) {
- if (unlikely(published))
+ if (tipc_connect2port(dref, &orig))
goto reject;
- tipc_connect2port(dref,&orig);
- }
- if (unlikely(msg_origport(msg) != peer_port))
- goto reject;
- if (unlikely(msg_orignode(msg) != peer_node))
+ } else if ((msg_origport(msg) != peer_port) ||
+ (msg_orignode(msg) != peer_node))
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),
case TIPC_DIRECT_MSG:{
tipc_msg_event cb = up_ptr->msg_cb;
- spin_unlock_bh(p_ptr->publ.lock);
- if (unlikely(connected))
- goto reject;
- if (unlikely(!cb))
+ tipc_port_unlock(p_ptr);
+ if (unlikely(!cb || connected))
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;
}
+ case TIPC_MCAST_MSG:
case TIPC_NAMED_MSG:{
tipc_named_msg_event cb = up_ptr->named_msg_cb;
- spin_unlock_bh(p_ptr->publ.lock);
- if (unlikely(connected))
- goto reject;
- if (unlikely(!cb))
- goto reject;
- if (unlikely(!published))
+ tipc_port_unlock(p_ptr);
+ if (unlikely(!cb || connected || !published))
goto reject;
dseq.type = msg_nametype(msg);
dseq.lower = msg_nameinst(msg);
- dseq.upper = dseq.lower;
+ 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;
buf = next;
continue;
err:
- switch (msg_type(msg)) {
-
+ 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);
- spin_unlock_bh(p_ptr->publ.lock);
- if (!connected || !cb)
+ tipc_port_unlock(p_ptr);
+ if (!cb || !connected)
break;
- if (msg_origport(msg) != peer_port)
- break;
- if (msg_orignode(msg) != peer_node)
+ if ((msg_origport(msg) != peer_port) ||
+ (msg_orignode(msg) != peer_node))
break;
tipc_disconnect(dref);
skb_pull(buf, msg_hdr_sz(msg));
case TIPC_DIRECT_MSG:{
tipc_msg_err_event cb = up_ptr->err_cb;
- spin_unlock_bh(p_ptr->publ.lock);
- if (connected || !cb)
+ tipc_port_unlock(p_ptr);
+ if (!cb || connected)
break;
skb_pull(buf, msg_hdr_sz(msg));
cb(usr_handle, dref, &buf, msg_data(msg),
msg_data_sz(msg), msg_errcode(msg), &orig);
break;
}
+ 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);
- if (connected || !cb)
+ tipc_port_unlock(p_ptr);
+ if (!cb || connected)
break;
dseq.type = msg_nametype(msg);
dseq.lower = msg_nameinst(msg);
- dseq.upper = dseq.lower;
+ 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;
}
msg_queue_tail = buf;
} else {
msg_queue_tail = msg_queue_head = buf;
- k_signal((Handler)port_dispatcher_sigh, 0);
+ tipc_k_signal((Handler)port_dispatcher_sigh, 0);
}
spin_unlock_bh(&queue_lock);
- return TIPC_OK;
+ return 0;
}
-/*
+/*
* Wake up port after congestion: Called with port locked,
- *
+ *
*/
static void port_wakeup_sh(unsigned long ref)
{
struct port *p_ptr;
struct user_port *up_ptr;
- tipc_continue_event cb = 0;
- void *uh = 0;
+ tipc_continue_event cb = NULL;
+ void *uh = NULL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (p_ptr) {
up_ptr = p_ptr->user_port;
if (up_ptr) {
cb = up_ptr->continue_event_cb;
uh = up_ptr->usr_handle;
}
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
}
if (cb)
cb(uh, ref);
static void port_wakeup(struct tipc_port *p_ptr)
{
- k_signal((Handler)port_wakeup_sh, p_ptr->ref);
+ tipc_k_signal((Handler)port_wakeup_sh, p_ptr->ref);
}
void tipc_acknowledge(u32 ref, u32 ack)
{
struct port *p_ptr;
- struct sk_buff *buf = 0;
+ struct sk_buff *buf = NULL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return;
if (p_ptr->publ.connected) {
tipc_own_addr,
CONN_MANAGER,
CONN_ACK,
- TIPC_OK,
+ TIPC_OK,
port_out_seqno(p_ptr),
ack);
}
- port_unlock(p_ptr);
- net_route_msg(buf);
+ tipc_port_unlock(p_ptr);
+ tipc_net_route_msg(buf);
}
/*
* 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;
- u32 ref;
+ struct port *p_ptr;
- up_ptr = (struct user_port *)kmalloc(sizeof(*up_ptr), GFP_ATOMIC);
- if (up_ptr == NULL) {
+ up_ptr = kmalloc(sizeof(*up_ptr), GFP_ATOMIC);
+ if (!up_ptr) {
+ warn("Port creation failed, no memory\n");
return -ENOMEM;
}
- ref = tipc_createport_raw(0, port_dispatcher, port_wakeup, importance);
- p_ptr = port_lock(ref);
+ p_ptr = (struct port *)tipc_createport_raw(NULL, port_dispatcher,
+ port_wakeup, importance);
if (!p_ptr) {
kfree(up_ptr);
return -ENOMEM;
up_ptr->conn_msg_cb = conn_msg_cb;
up_ptr->continue_event_cb = continue_event_cb;
INIT_LIST_HEAD(&up_ptr->uport_list);
- reg_add_port(up_ptr);
+ 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);
- port_unlock(p_ptr);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
int tipc_ownidentity(u32 ref, struct tipc_portid *id)
{
id->ref = ref;
id->node = tipc_own_addr;
- return TIPC_OK;
+ return 0;
}
int tipc_portimportance(u32 ref, unsigned int *importance)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*importance = (unsigned int)msg_importance(&p_ptr->publ.phdr);
- spin_unlock_bh(p_ptr->publ.lock);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
int tipc_set_portimportance(u32 ref, unsigned int imp)
if (imp > TIPC_CRITICAL_IMPORTANCE)
return -EINVAL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
msg_set_importance(&p_ptr->publ.phdr, (u32)imp);
- spin_unlock_bh(p_ptr->publ.lock);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
u32 key;
int res = -EINVAL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
+ if (!p_ptr)
+ return -EINVAL;
+
dbg("tipc_publ %u, p_ptr = %x, conn = %x, scope = %x, "
"lower = %u, upper = %u\n",
ref, p_ptr, p_ptr->publ.connected, scope, seq->lower, seq->upper);
- if (!p_ptr)
- return -EINVAL;
if (p_ptr->publ.connected)
goto exit;
if (seq->lower > seq->upper)
res = -EADDRINUSE;
goto exit;
}
- publ = nametbl_publish(seq->type, seq->lower, seq->upper,
- scope, p_ptr->publ.ref, key);
+ publ = tipc_nametbl_publish(seq->type, seq->lower, seq->upper,
+ scope, p_ptr->publ.ref, key);
if (publ) {
list_add(&publ->pport_list, &p_ptr->publications);
p_ptr->pub_count++;
p_ptr->publ.published = 1;
- res = TIPC_OK;
+ res = 0;
}
exit:
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
return res;
}
struct publication *publ;
struct publication *tpubl;
int res = -EINVAL;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
- if (!p_ptr->publ.published)
- goto exit;
if (!seq) {
- list_for_each_entry_safe(publ, tpubl,
+ list_for_each_entry_safe(publ, tpubl,
&p_ptr->publications, pport_list) {
- nametbl_withdraw(publ->type, publ->lower,
- publ->ref, publ->key);
+ tipc_nametbl_withdraw(publ->type, publ->lower,
+ publ->ref, publ->key);
}
- res = TIPC_OK;
+ res = 0;
} 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;
continue;
if (publ->upper != seq->upper)
break;
- nametbl_withdraw(publ->type, publ->lower,
- publ->ref, publ->key);
- res = TIPC_OK;
+ tipc_nametbl_withdraw(publ->type, publ->lower,
+ publ->ref, publ->key);
+ res = 0;
break;
}
}
if (list_empty(&p_ptr->publications))
p_ptr->publ.published = 0;
-exit:
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
return res;
}
struct tipc_msg *msg;
int res = -EINVAL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
if (p_ptr->publ.published || p_ptr->publ.connected)
p_ptr->publ.connected = 1;
k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
- nodesub_subscribe(&p_ptr->subscription,peer->node, (void *)ref,
+ tipc_nodesub_subscribe(&p_ptr->subscription,peer->node,
+ (void *)(unsigned long)ref,
(net_ev_handler)port_handle_node_down);
- res = TIPC_OK;
+ res = 0;
exit:
- port_unlock(p_ptr);
- p_ptr->max_pkt = link_get_max_pkt(peer->node, ref);
+ tipc_port_unlock(p_ptr);
+ p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref);
+ return res;
+}
+
+/**
+ * tipc_disconnect_port - disconnect port from peer
+ *
+ * Port must be locked.
+ */
+
+int tipc_disconnect_port(struct tipc_port *tp_ptr)
+{
+ int res;
+
+ if (tp_ptr->connected) {
+ tp_ptr->connected = 0;
+ /* let timer expire on it's own to avoid deadlock! */
+ tipc_nodesub_unsubscribe(
+ &((struct port *)tp_ptr)->subscription);
+ res = 0;
+ } else {
+ res = -ENOTCONN;
+ }
return res;
}
int tipc_disconnect(u32 ref)
{
struct port *p_ptr;
- int res = -ENOTCONN;
+ int res;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
- if (p_ptr->publ.connected) {
- p_ptr->publ.connected = 0;
- /* let timer expire on it's own to avoid deadlock! */
- nodesub_unsubscribe(&p_ptr->subscription);
- res = TIPC_OK;
- }
- port_unlock(p_ptr);
+ res = tipc_disconnect_port((struct tipc_port *)p_ptr);
+ tipc_port_unlock(p_ptr);
return res;
}
int tipc_shutdown(u32 ref)
{
struct port *p_ptr;
- struct sk_buff *buf = 0;
+ struct sk_buff *buf = NULL;
- p_ptr = port_lock(ref);
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
tipc_own_addr,
imp,
TIPC_CONN_MSG,
- TIPC_CONN_SHUTDOWN,
+ TIPC_CONN_SHUTDOWN,
port_out_seqno(p_ptr),
0);
}
- port_unlock(p_ptr);
- net_route_msg(buf);
+ tipc_port_unlock(p_ptr);
+ tipc_net_route_msg(buf);
return tipc_disconnect(ref);
}
int tipc_isconnected(u32 ref, int *isconnected)
{
struct port *p_ptr;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*isconnected = p_ptr->publ.connected;
- port_unlock(p_ptr);
- return TIPC_OK;
+ tipc_port_unlock(p_ptr);
+ return 0;
}
int tipc_peer(u32 ref, struct tipc_portid *peer)
{
struct port *p_ptr;
int res;
-
- p_ptr = port_lock(ref);
+
+ p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
if (p_ptr->publ.connected) {
peer->ref = port_peerport(p_ptr);
peer->node = port_peernode(p_ptr);
- res = TIPC_OK;
+ res = 0;
} else
res = -ENOTCONN;
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
return res;
}
int tipc_ref_valid(u32 ref)
{
/* Works irrespective of type */
- return !!ref_deref(ref);
+ return !!tipc_ref_deref(ref);
}
/*
- * port_recv_sections(): Concatenate and deliver sectioned
+ * tipc_port_recv_sections(): Concatenate and deliver sectioned
* message for this node.
*/
-int port_recv_sections(struct port *sender, unsigned int num_sect,
+int tipc_port_recv_sections(struct port *sender, unsigned int num_sect,
struct iovec const *msg_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))
- port_recv_msg(buf);
+ tipc_port_recv_msg(buf);
return res;
}
u32 destnode;
int res;
- p_ptr = port_deref(ref);
+ p_ptr = tipc_port_deref(ref);
if (!p_ptr || !p_ptr->publ.connected)
return -EINVAL;
p_ptr->publ.congested = 1;
- if (!port_congested(p_ptr)) {
+ if (!tipc_port_congested(p_ptr)) {
destnode = port_peernode(p_ptr);
if (likely(destnode != tipc_own_addr))
- res = link_send_sections_fast(p_ptr, msg_sect, num_sect,
- destnode);
+ res = tipc_link_send_sections_fast(p_ptr, msg_sect, num_sect,
+ destnode);
else
- res = port_recv_sections(p_ptr, num_sect, msg_sect);
+ res = tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
if (likely(res != -ELINKCONG)) {
port_incr_out_seqno(p_ptr);
return -ELINKCONG;
}
-/**
+/**
* tipc_send_buf - send message buffer on connection
*/
u32 hsz;
u32 sz;
u32 res;
-
- p_ptr = port_deref(ref);
+
+ p_ptr = tipc_port_deref(ref);
if (!p_ptr || !p_ptr->publ.connected)
return -EINVAL;
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 (!port_congested(p_ptr)) {
+ if (!tipc_port_congested(p_ptr)) {
if (likely(destnode != tipc_own_addr))
res = tipc_send_buf_fast(buf, destnode);
else {
- port_recv_msg(buf);
+ tipc_port_recv_msg(buf);
res = sz;
}
if (likely(res != -ELINKCONG)) {
* 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;
u32 destport = 0;
int res;
- p_ptr = port_deref(ref);
+ p_ptr = tipc_port_deref(ref);
if (!p_ptr || p_ptr->publ.connected)
return -EINVAL;
msg_set_lookup_scope(msg, addr_scope(domain));
if (importance <= TIPC_CRITICAL_IMPORTANCE)
msg_set_importance(msg,importance);
- destport = nametbl_translate(name->type, name->instance, &destnode);
+ destport = tipc_nametbl_translate(name->type, name->instance, &destnode);
msg_set_destnode(msg, destnode);
msg_set_destport(msg, destport);
if (likely(destport || destnode)) {
p_ptr->sent++;
if (likely(destnode == tipc_own_addr))
- return port_recv_sections(p_ptr, num_sect, msg_sect);
- res = link_send_sections_fast(p_ptr, msg_sect, num_sect,
- destnode);
+ 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))
return res;
if (port_unreliable(p_ptr)) {
}
return -ELINKCONG;
}
- return port_reject_sections(p_ptr, msg, msg_sect, num_sect,
- TIPC_ERR_NO_NAME);
+ return tipc_port_reject_sections(p_ptr, msg, msg_sect, num_sect,
+ TIPC_ERR_NO_NAME);
}
/**
* 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;
TIPC_PORT_IMPORTANCE);
}
-/**
+/**
* tipc_forward_buf2name - forward message buffer to port name
*/
u32 destport = 0;
int res;
- p_ptr = (struct port *)ref_deref(ref);
+ p_ptr = (struct port *)tipc_ref_deref(ref);
if (!p_ptr || p_ptr->publ.connected)
return -EINVAL;
msg_set_lookup_scope(msg, addr_scope(domain));
msg_set_hdr_sz(msg, LONG_H_SIZE);
msg_set_size(msg, LONG_H_SIZE + dsz);
- destport = nametbl_translate(name->type, name->instance, &destnode);
+ destport = tipc_nametbl_translate(name->type, name->instance, &destnode);
msg_set_destnode(msg, destnode);
msg_set_destport(msg, destport);
msg_dbg(msg, "forw2name ==> ");
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++;
if (destnode == tipc_own_addr)
- return port_recv_msg(buf);
+ return tipc_port_recv_msg(buf);
res = tipc_send_buf_fast(buf, destnode);
if (likely(res != -ELINKCONG))
return res;
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;
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;
struct tipc_msg *msg;
int res;
- p_ptr = port_deref(ref);
+ p_ptr = tipc_port_deref(ref);
if (!p_ptr || p_ptr->publ.connected)
return -EINVAL;
msg_set_importance(msg, importance);
p_ptr->sent++;
if (dest->node == tipc_own_addr)
- return port_recv_sections(p_ptr, num_sect, msg_sect);
- res = link_send_sections_fast(p_ptr, msg_sect, num_sect, dest->node);
+ 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))
return res;
if (port_unreliable(p_ptr)) {
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,
struct tipc_msg *msg;
int res;
- p_ptr = (struct port *)ref_deref(ref);
+ p_ptr = (struct port *)tipc_ref_deref(ref);
if (!p_ptr || p_ptr->publ.connected)
return -EINVAL;
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)
- return port_recv_msg(buf);
+ return tipc_port_recv_msg(buf);
res = tipc_send_buf_fast(buf, dest->node);
if (likely(res != -ELINKCONG))
return res;
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);
}