/*
* 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
#include "addr.h"
#include "link.h"
#include "node.h"
-#include "port.h"
#include "name_table.h"
#include "user_reg.h"
#include "msg.h"
static struct sk_buff *msg_queue_head = NULL;
static struct sk_buff *msg_queue_tail = NULL;
-spinlock_t tipc_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);
static LIST_HEAD(ports);
static void port_handle_node_down(unsigned long ref);
return msg_transp_seqno(&p_ptr->publ.phdr);
}
-static void port_set_out_seqno(struct port *p_ptr, u32 seqno)
-{
- msg_set_transp_seqno(&p_ptr->publ.phdr,seqno);
-}
-
static void port_incr_out_seqno(struct port *p_ptr)
{
struct tipc_msg *m = &p_ptr->publ.phdr;
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) {
/**
* tipc_port_recv_mcast - deliver multicast message to all destination ports
- *
+ *
* If there is no port list, perform a lookup to create one
*/
struct port_list *item = dp;
int cnt = 0;
- assert(buf);
msg = buf_msg(buf);
/* Create destination port list, if one wasn't supplied */
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;
}
}
/**
- * tipc_createport_raw - create a native TIPC port
- *
- * Returns local port reference
+ * tipc_createport_raw - create a generic TIPC port
+ *
+ * Returns port reference, or 0 if unable to create it
+ *
+ * Note: The newly created port is returned in the locked state.
*/
u32 tipc_createport_raw(void *usr_handle,
u32 (*dispatcher)(struct tipc_port *, struct sk_buff *),
void (*wakeup)(struct tipc_port *),
- const u32 importance)
+ const u32 importance,
+ struct tipc_port **tp_ptr)
{
struct port *p_ptr;
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");
+ p_ptr = kzalloc(sizeof(*p_ptr), GFP_ATOMIC);
+ if (!p_ptr) {
+ warn("Port creation failed, no memory\n");
return 0;
}
- memset(p_ptr, 0, sizeof(*p_ptr));
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;
}
- 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);
+ msg_init(msg, TIPC_LOW_IMPORTANCE, TIPC_NAMED_MSG, TIPC_OK, LONG_H_SIZE,
+ 0);
msg_set_orignode(msg, tipc_own_addr);
msg_set_prevnode(msg, tipc_own_addr);
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 = NULL;
- p_ptr->max_pkt = MAX_PKT_DEFAULT;
p_ptr->dispatcher = dispatcher;
p_ptr->wakeup = wakeup;
p_ptr->user_port = NULL;
INIT_LIST_HEAD(&p_ptr->port_list);
list_add_tail(&p_ptr->port_list, &ports);
spin_unlock_bh(&tipc_port_list_lock);
- tipc_port_unlock(p_ptr);
+ *tp_ptr = &p_ptr->publ;
return ref;
}
tipc_withdraw(ref, 0, NULL);
p_ptr = tipc_port_lock(ref);
- if (!p_ptr)
+ if (!p_ptr)
return -EINVAL;
tipc_ref_discard(ref);
/**
* tipc_get_port() - return port associated with 'ref'
- *
+ *
* Note: Port is not locked.
*/
int tipc_portunreliable(u32 ref, unsigned int *isunreliable)
{
struct port *p_ptr;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*isunreliable = port_unreliable(p_ptr);
- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
return TIPC_OK;
}
int tipc_set_portunreliable(u32 ref, unsigned int isunreliable)
{
struct port *p_ptr;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
int tipc_portunreturnable(u32 ref, unsigned int *isunrejectable)
{
struct port *p_ptr;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
*isunrejectable = port_unreturnable(p_ptr);
- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
return TIPC_OK;
}
int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
{
struct port *p_ptr;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
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);
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);
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)) {
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;
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) {
buf = port_build_self_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
tipc_own_addr,
CONN_MANAGER,
CONN_PROBE,
- TIPC_OK,
+ TIPC_OK,
port_out_seqno(p_ptr),
0);
port_incr_out_seqno(p_ptr);
port_peernode(p_ptr),
imp,
TIPC_CONN_MSG,
- err,
+ err,
p_ptr->last_in_seqno + 1,
0);
}
tipc_own_addr,
imp,
TIPC_CONN_MSG,
- err,
+ err,
port_out_seqno(p_ptr),
0);
}
}
}
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);
}
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,
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
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(&tipc_port_list_lock);
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);
-
+
+ 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) {
- /* Port deleted while msg in queue */
- tipc_reject_msg(buf, TIPC_ERR_NO_PORT);
- buf = next;
- continue;
- }
+ 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(!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);
+ tipc_port_unlock(p_ptr);
if (unlikely(connected))
goto reject;
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;
}
+ 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);
+ tipc_port_unlock(p_ptr);
if (unlikely(connected))
goto reject;
if (unlikely(!cb))
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);
+ tipc_port_unlock(p_ptr);
if (!connected || !cb)
break;
if (msg_origport(msg) != peer_port)
case TIPC_DIRECT_MSG:{
tipc_msg_err_event cb = up_ptr->err_cb;
- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
if (connected || !cb)
break;
skb_pull(buf, msg_hdr_sz(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);
+ tipc_port_unlock(p_ptr);
if (connected || !cb)
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;
}
return TIPC_OK;
}
-/*
+/*
* Wake up port after congestion: Called with port locked,
- *
+ *
*/
static void port_wakeup_sh(unsigned long ref)
tipc_own_addr,
CONN_MANAGER,
CONN_ACK,
- TIPC_OK,
+ TIPC_OK,
port_out_seqno(p_ptr),
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;
+ struct tipc_port *tp_ptr;
u32 ref;
- 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(NULL, port_dispatcher, port_wakeup, importance);
- p_ptr = tipc_port_lock(ref);
- if (!p_ptr) {
+ ref = tipc_createport_raw(NULL, port_dispatcher, port_wakeup,
+ importance, &tp_ptr);
+ if (ref == 0) {
kfree(up_ptr);
return -ENOMEM;
}
+ p_ptr = (struct port *)tp_ptr;
p_ptr->user_port = up_ptr;
up_ptr->user_ref = 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;
}
int tipc_portimportance(u32 ref, unsigned int *importance)
{
struct port *p_ptr;
-
+
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);
+ tipc_port_unlock(p_ptr);
return TIPC_OK;
}
if (!p_ptr)
return -EINVAL;
msg_set_importance(&p_ptr->publ.phdr, (u32)imp);
- spin_unlock_bh(p_ptr->publ.lock);
+ tipc_port_unlock(p_ptr);
return TIPC_OK;
}
int res = -EINVAL;
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)
struct publication *publ;
struct publication *tpubl;
int res = -EINVAL;
-
+
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) {
- 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;
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;
}
if (list_empty(&p_ptr->publications))
p_ptr->publ.published = 0;
-exit:
tipc_port_unlock(p_ptr);
return res;
}
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;
+}
+
+/**
+ * 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 = TIPC_OK;
+ } else {
+ res = -ENOTCONN;
+ }
return res;
}
int tipc_disconnect(u32 ref)
{
struct port *p_ptr;
- int res = -ENOTCONN;
+ int res;
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! */
- tipc_nodesub_unsubscribe(&p_ptr->subscription);
- res = TIPC_OK;
- }
+ res = tipc_disconnect_port((struct tipc_port *)p_ptr);
tipc_port_unlock(p_ptr);
return res;
}
tipc_own_addr,
imp,
TIPC_CONN_MSG,
- TIPC_CONN_SHUTDOWN,
+ TIPC_CONN_SHUTDOWN,
port_out_seqno(p_ptr),
0);
}
int tipc_isconnected(u32 ref, int *isconnected)
{
struct port *p_ptr;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
{
struct port *p_ptr;
int res;
-
+
p_ptr = tipc_port_lock(ref);
if (!p_ptr)
return -EINVAL;
{
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))
return -ELINKCONG;
}
-/**
+/**
* tipc_send_buf - send message buffer on connection
*/
u32 hsz;
u32 sz;
u32 res;
-
+
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 (!tipc_port_congested(p_ptr)) {
* 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;
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;
}
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);
}
* 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
*/
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++;
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;
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,
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 -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);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff