* net/tipc/port.c: TIPC port code
*
* Copyright (c) 1992-2007, Ericsson AB
- * Copyright (c) 2004-2007, Wind River Systems
+ * Copyright (c) 2004-2008, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "core.h"
#include "config.h"
-#include "dbg.h"
#include "port.h"
-#include "addr.h"
-#include "link.h"
-#include "node.h"
#include "name_table.h"
-#include "user_reg.h"
-#include "msg.h"
-#include "bcast.h"
/* Connection management: */
#define PROBING_INTERVAL 3600000 /* [ms] => 1 h */
#define MAX_REJECT_SIZE 1024
-static struct sk_buff *msg_queue_head = NULL;
-static struct sk_buff *msg_queue_tail = NULL;
+static struct sk_buff *msg_queue_head;
+static struct sk_buff *msg_queue_tail;
DEFINE_SPINLOCK(tipc_port_list_lock);
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 port *, u32 err);
+static struct sk_buff *port_build_peer_abort_msg(struct port *, u32 err);
static void port_timeout(unsigned long ref);
* tipc_multicast - send a multicast message to local and remote destinations
*/
-int tipc_multicast(u32 ref, struct tipc_name_seq const *seq, u32 domain,
+int tipc_multicast(u32 ref, struct tipc_name_seq const *seq,
u32 num_sect, struct iovec const *msg_sect)
{
struct tipc_msg *hdr;
msg_set_namelower(hdr, seq->lower);
msg_set_nameupper(hdr, seq->upper);
msg_set_hdr_sz(hdr, MCAST_H_SIZE);
- res = msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
+ res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
!oport->user_port, &buf);
if (unlikely(!buf))
return res;
}
}
res = tipc_bclink_send_msg(buf);
- if ((res < 0) && (dports.count != 0)) {
+ if ((res < 0) && (dports.count != 0))
buf_discard(ibuf);
- }
} else {
ibuf = buf;
}
void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp)
{
- struct tipc_msg* msg;
+ struct tipc_msg *msg;
struct port_list dports = {0, NULL, };
struct port_list *item = dp;
int cnt = 0;
if (b == NULL) {
warn("Unable to deliver multicast message(s)\n");
- msg_dbg(msg, "LOST:");
goto exit;
}
- if ((index == 0) && (cnt != 0)) {
+ if ((index == 0) && (cnt != 0))
item = item->next;
- }
- msg_set_destport(buf_msg(b),item->ports[index]);
+ msg_set_destport(buf_msg(b), item->ports[index]);
tipc_port_recv_msg(b);
}
}
}
/**
- * tipc_createport_raw - create a native TIPC port
+ * tipc_createport_raw - create a generic TIPC port
*
- * Returns local port reference
+ * 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)
p_ptr = kzalloc(sizeof(*p_ptr), GFP_ATOMIC);
if (!p_ptr) {
warn("Port creation failed, no memory\n");
- return 0;
+ return NULL;
}
ref = tipc_ref_acquire(p_ptr, &p_ptr->publ.lock);
if (!ref) {
warn("Port creation failed, reference table exhausted\n");
kfree(p_ptr);
- return 0;
+ return NULL;
}
- 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, 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);
+ tipc_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;
INIT_LIST_HEAD(&p_ptr->wait_list);
INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
- p_ptr->congested_link = NULL;
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);
- return ref;
+ return &(p_ptr->publ);
}
int tipc_deleteport(u32 ref)
buf = port_build_peer_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
tipc_nodesub_unsubscribe(&p_ptr->subscription);
}
- if (p_ptr->user_port) {
- tipc_reg_remove_port(p_ptr->user_port);
- kfree(p_ptr->user_port);
- }
+ kfree(p_ptr->user_port);
spin_lock_bh(&tipc_port_list_lock);
list_del(&p_ptr->port_list);
spin_unlock_bh(&tipc_port_list_lock);
k_term_timer(&p_ptr->timer);
kfree(p_ptr);
- dbg("Deleted port %u\n", ref);
tipc_net_route_msg(buf);
- return TIPC_OK;
-}
-
-/**
- * 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 *)tipc_ref_deref(ref);
-}
-
-/**
- * tipc_get_handle - return user handle associated to port 'ref'
- */
-
-void *tipc_get_handle(const u32 ref)
-{
- struct port *p_ptr;
- void * handle;
-
- p_ptr = tipc_port_lock(ref);
- if (!p_ptr)
- return NULL;
- handle = p_ptr->publ.usr_handle;
- tipc_port_unlock(p_ptr);
- return handle;
+ return 0;
}
static int port_unreliable(struct port *p_ptr)
return -EINVAL;
*isunreliable = port_unreliable(p_ptr);
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
int tipc_set_portunreliable(u32 ref, unsigned int isunreliable)
return -EINVAL;
msg_set_src_droppable(&p_ptr->publ.phdr, (isunreliable != 0));
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
static int port_unreturnable(struct port *p_ptr)
return -EINVAL;
*isunrejectable = port_unreturnable(p_ptr);
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
return -EINVAL;
msg_set_dest_droppable(&p_ptr->publ.phdr, (isunrejectable != 0));
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
/*
struct sk_buff *buf;
struct tipc_msg *msg;
- buf = buf_acquire(LONG_H_SIZE);
+ buf = tipc_buf_acquire(LONG_H_SIZE);
if (buf) {
msg = buf_msg(buf);
- msg_init(msg, usr, type, err, LONG_H_SIZE, destnode);
+ tipc_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);
- msg_dbg(msg, "PORT>SEND>:");
}
return buf;
}
data_sz = MAX_REJECT_SIZE;
if (msg_connected(msg) && (imp < TIPC_CRITICAL_IMPORTANCE))
imp++;
- msg_dbg(msg, "port->rej: ");
/* discard rejected message if it shouldn't be returned to sender */
if (msg_errcode(msg) || msg_dest_droppable(msg)) {
hdr_sz = MCAST_H_SIZE;
else
hdr_sz = LONG_H_SIZE;
- rbuf = buf_acquire(data_sz + hdr_sz);
+ rbuf = tipc_buf_acquire(data_sz + hdr_sz);
if (rbuf == NULL) {
buf_discard(buf);
return data_sz;
}
rmsg = buf_msg(rbuf);
- msg_init(rmsg, imp, msg_type(msg), err, hdr_sz, msg_orignode(msg));
+ tipc_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_nametype(rmsg, msg_nametype(msg));
+ msg_set_nameinst(rmsg, msg_nameinst(msg));
+ }
msg_set_size(rmsg, data_sz + hdr_sz);
- msg_set_nametype(rmsg, msg_nametype(msg));
- msg_set_nameinst(rmsg, msg_nameinst(msg));
skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz);
/* send self-abort message when rejecting on a connected port */
struct sk_buff *buf;
int res;
- res = msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
+ res = tipc_msg_build(hdr, msg_sect, num_sect, MAX_MSG_SIZE,
!p_ptr->user_port, &buf);
if (!buf)
return res;
static void port_handle_node_down(unsigned long ref)
{
struct port *p_ptr = tipc_port_lock(ref);
- struct sk_buff* buf = NULL;
+ struct sk_buff *buf = NULL;
if (!p_ptr)
return;
struct sk_buff *r_buf = NULL;
struct sk_buff *abort_buf = NULL;
- msg_dbg(msg, "PORT<RECV<:");
-
if (!p_ptr) {
err = TIPC_ERR_NO_PORT;
} else if (p_ptr->publ.connected) {
- if (port_peernode(p_ptr) != msg_orignode(msg))
- err = TIPC_ERR_NO_PORT;
- if (port_peerport(p_ptr) != msg_origport(msg))
+ if ((port_peernode(p_ptr) != msg_orignode(msg)) ||
+ (port_peerport(p_ptr) != msg_origport(msg))) {
err = TIPC_ERR_NO_PORT;
- if (!err && msg_routed(msg)) {
- u32 seqno = msg_transp_seqno(msg);
- u32 myno = ++p_ptr->last_in_seqno;
- if (seqno != myno) {
- err = TIPC_ERR_NO_PORT;
- abort_buf = port_build_self_abort_msg(p_ptr, err);
- }
- }
- if (msg_type(msg) == CONN_ACK) {
+ } else if (msg_type(msg) == CONN_ACK) {
int wakeup = tipc_port_congested(p_ptr) &&
p_ptr->publ.congested &&
p_ptr->wakeup;
tipc_printf(buf, " via {%u,%u}",
p_ptr->publ.conn_type,
p_ptr->publ.conn_instance);
- }
- else if (p_ptr->publ.published) {
+ } 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)
return buf;
}
-#if 0
-
-#define MAX_PORT_STATS 2000
-
-struct sk_buff *port_show_stats(const void *req_tlv_area, int req_tlv_space)
-{
- u32 ref;
- struct port *p_ptr;
- struct sk_buff *buf;
- struct tlv_desc *rep_tlv;
- struct print_buf pb;
- int str_len;
-
- if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_PORT_REF))
- return cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
-
- ref = *(u32 *)TLV_DATA(req_tlv_area);
- ref = ntohl(ref);
-
- p_ptr = tipc_port_lock(ref);
- if (!p_ptr)
- return cfg_reply_error_string("port not found");
-
- buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_PORT_STATS));
- if (!buf) {
- tipc_port_unlock(p_ptr);
- return NULL;
- }
- rep_tlv = (struct tlv_desc *)buf->data;
-
- 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 */
- 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);
-
- return buf;
-}
-
-#endif
-
void tipc_port_reinit(void)
{
struct port *p_ptr;
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);
u32 peer_node = port_peernode(p_ptr);
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))
- goto reject;
- if (unlikely(!cb))
+ } 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))
tipc_msg_event cb = up_ptr->msg_cb;
tipc_port_unlock(p_ptr);
- if (unlikely(connected))
- goto reject;
- if (unlikely(!cb))
+ if (unlikely(!cb || connected))
goto reject;
skb_pull(buf, msg_hdr_sz(msg));
cb(usr_handle, dref, &buf, msg_data(msg),
tipc_named_msg_event cb = up_ptr->named_msg_cb;
tipc_port_unlock(p_ptr);
- if (unlikely(connected))
- goto reject;
- if (unlikely(!cb))
- goto reject;
- if (unlikely(!published))
+ if (unlikely(!cb || connected || !published))
goto reject;
dseq.type = msg_nametype(msg);
dseq.lower = msg_nameinst(msg);
u32 peer_node = port_peernode(p_ptr);
tipc_port_unlock(p_ptr);
- if (!connected || !cb)
+ 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));
tipc_msg_err_event cb = up_ptr->err_cb;
tipc_port_unlock(p_ptr);
- if (connected || !cb)
+ if (!cb || connected)
break;
skb_pull(buf, msg_hdr_sz(msg));
cb(usr_handle, dref, &buf, msg_data(msg),
up_ptr->named_err_cb;
tipc_port_unlock(p_ptr);
- if (connected || !cb)
+ if (!cb || connected)
break;
dseq.type = msg_nametype(msg);
dseq.lower = msg_nameinst(msg);
tipc_k_signal((Handler)port_dispatcher_sigh, 0);
}
spin_unlock_bh(&queue_lock);
- return TIPC_OK;
+ return 0;
}
/*
}
/*
- * tipc_createport(): user level call. Will add port to
- * registry if non-zero user_ref.
+ * tipc_createport(): user level call.
*/
-int tipc_createport(u32 user_ref,
- void *usr_handle,
+int tipc_createport(void *usr_handle,
unsigned int importance,
tipc_msg_err_event error_cb,
tipc_named_msg_err_event named_error_cb,
{
struct user_port *up_ptr;
struct port *p_ptr;
- u32 ref;
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);
+ p_ptr = (struct port *)tipc_createport_raw(NULL, port_dispatcher,
+ port_wakeup, importance);
if (!p_ptr) {
kfree(up_ptr);
return -ENOMEM;
}
p_ptr->user_port = up_ptr;
- up_ptr->user_ref = user_ref;
up_ptr->usr_handle = usr_handle;
up_ptr->ref = p_ptr->publ.ref;
up_ptr->err_cb = error_cb;
up_ptr->named_msg_cb = named_msg_cb;
up_ptr->conn_msg_cb = conn_msg_cb;
up_ptr->continue_event_cb = continue_event_cb;
- 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);
tipc_port_unlock(p_ptr);
- return TIPC_OK;
-}
-
-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)
return -EINVAL;
*importance = (unsigned int)msg_importance(&p_ptr->publ.phdr);
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
int tipc_set_portimportance(u32 ref, unsigned int imp)
return -EINVAL;
msg_set_importance(&p_ptr->publ.phdr, (u32)imp);
tipc_port_unlock(p_ptr);
- return TIPC_OK;
+ return 0;
}
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->publ.connected)
goto exit;
if (seq->lower > seq->upper)
list_add(&publ->pport_list, &p_ptr->publications);
p_ptr->pub_count++;
p_ptr->publ.published = 1;
- res = TIPC_OK;
+ res = 0;
}
exit:
tipc_port_unlock(p_ptr);
tipc_nametbl_withdraw(publ->type, publ->lower,
publ->ref, publ->key);
}
- res = TIPC_OK;
+ res = 0;
} else {
list_for_each_entry_safe(publ, tpubl,
&p_ptr->publications, pport_list) {
break;
tipc_nametbl_withdraw(publ->type, publ->lower,
publ->ref, publ->key);
- res = TIPC_OK;
+ res = 0;
break;
}
}
msg_set_origport(msg, p_ptr->publ.ref);
msg_set_transp_seqno(msg, 42);
msg_set_type(msg, TIPC_CONN_MSG);
- if (!may_route(peer->node))
- msg_set_hdr_sz(msg, SHORT_H_SIZE);
- else
- msg_set_hdr_sz(msg, LONG_H_SIZE);
+ msg_set_hdr_sz(msg, SHORT_H_SIZE);
p_ptr->probing_interval = PROBING_INTERVAL;
p_ptr->probing_state = CONFIRMED;
p_ptr->publ.connected = 1;
k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
- tipc_nodesub_subscribe(&p_ptr->subscription,peer->node,
+ 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:
tipc_port_unlock(p_ptr);
p_ptr->publ.max_pkt = tipc_link_get_max_pkt(peer->node, ref);
/* let timer expire on it's own to avoid deadlock! */
tipc_nodesub_unsubscribe(
&((struct port *)tp_ptr)->subscription);
- res = TIPC_OK;
+ res = 0;
} else {
res = -ENOTCONN;
}
return tipc_disconnect(ref);
}
-int tipc_isconnected(u32 ref, int *isconnected)
-{
- struct port *p_ptr;
-
- p_ptr = tipc_port_lock(ref);
- if (!p_ptr)
- return -EINVAL;
- *isconnected = p_ptr->publ.connected;
- tipc_port_unlock(p_ptr);
- return TIPC_OK;
-}
-
-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;
- if (p_ptr->publ.connected) {
- peer->ref = port_peerport(p_ptr);
- peer->node = port_peernode(p_ptr);
- res = TIPC_OK;
- } else
- res = -ENOTCONN;
- tipc_port_unlock(p_ptr);
- return res;
-}
-
-int tipc_ref_valid(u32 ref)
-{
- /* Works irrespective of type */
- return !!tipc_ref_deref(ref);
-}
-
-
/*
* tipc_port_recv_sections(): Concatenate and deliver sectioned
* message for this node.
*/
-int tipc_port_recv_sections(struct port *sender, unsigned int num_sect,
- struct iovec const *msg_sect)
+static 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,
+ res = tipc_msg_build(&sender->publ.phdr, msg_sect, num_sect,
MAX_MSG_SIZE, !sender->user_port, &buf);
if (likely(buf))
tipc_port_recv_msg(buf);
if (port_unreliable(p_ptr)) {
p_ptr->publ.congested = 0;
/* Just calculate msg length and return */
- return msg_calc_data_size(msg_sect, num_sect);
+ return tipc_msg_calc_data_size(msg_sect, num_sect);
}
return -ELINKCONG;
}
/**
- * tipc_send_buf - send message buffer on connection
- */
-
-int tipc_send_buf(u32 ref, struct sk_buff *buf, unsigned int dsz)
-{
- struct port *p_ptr;
- struct tipc_msg *msg;
- u32 destnode;
- u32 hsz;
- u32 sz;
- u32 res;
-
- p_ptr = tipc_port_deref(ref);
- if (!p_ptr || !p_ptr->publ.connected)
- return -EINVAL;
-
- msg = &p_ptr->publ.phdr;
- hsz = msg_hdr_sz(msg);
- sz = hsz + dsz;
- msg_set_size(msg, sz);
- if (skb_cow(buf, hsz))
- return -ENOMEM;
-
- skb_push(buf, hsz);
- skb_copy_to_linear_data(buf, msg, hsz);
- destnode = msg_destnode(msg);
- p_ptr->publ.congested = 1;
- if (!tipc_port_congested(p_ptr)) {
- if (likely(destnode != tipc_own_addr))
- res = tipc_send_buf_fast(buf, destnode);
- else {
- tipc_port_recv_msg(buf);
- res = sz;
- }
- if (likely(res != -ELINKCONG)) {
- port_incr_out_seqno(p_ptr);
- p_ptr->sent++;
- p_ptr->publ.congested = 0;
- return res;
- }
- }
- if (port_unreliable(p_ptr)) {
- p_ptr->publ.congested = 0;
- return dsz;
- }
- return -ELINKCONG;
-}
-
-/**
- * tipc_forward2name - forward message sections to port name
+ * tipc_send2name - send message sections to port name
*/
-int tipc_forward2name(u32 ref,
- struct tipc_name const *name,
- u32 domain,
- u32 num_sect,
- struct iovec const *msg_sect,
- struct tipc_portid const *orig,
- unsigned int importance)
+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_msg *msg;
u32 destnode = domain;
- u32 destport = 0;
+ u32 destport;
int res;
p_ptr = tipc_port_deref(ref);
msg = &p_ptr->publ.phdr;
msg_set_type(msg, TIPC_NAMED_MSG);
- msg_set_orignode(msg, orig->node);
- msg_set_origport(msg, orig->ref);
+ msg_set_orignode(msg, tipc_own_addr);
+ msg_set_origport(msg, ref);
msg_set_hdr_sz(msg, LONG_H_SIZE);
msg_set_nametype(msg, name->type);
msg_set_nameinst(msg, name->instance);
- msg_set_lookup_scope(msg, addr_scope(domain));
- if (importance <= TIPC_CRITICAL_IMPORTANCE)
- msg_set_importance(msg,importance);
+ msg_set_lookup_scope(msg, tipc_addr_scope(domain));
destport = tipc_nametbl_translate(name->type, name->instance, &destnode);
msg_set_destnode(msg, destnode);
msg_set_destport(msg, destport);
- if (likely(destport || destnode)) {
+ if (likely(destport)) {
p_ptr->sent++;
if (likely(destnode == tipc_own_addr))
return tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
return res;
if (port_unreliable(p_ptr)) {
/* Just calculate msg length and return */
- return msg_calc_data_size(msg_sect, num_sect);
+ return tipc_msg_calc_data_size(msg_sect, num_sect);
}
return -ELINKCONG;
}
}
/**
- * tipc_send2name - send message sections to port name
- */
-
-int tipc_send2name(u32 ref,
- struct tipc_name const *name,
- unsigned int domain,
- unsigned int num_sect,
- struct iovec const *msg_sect)
-{
- struct tipc_portid orig;
-
- orig.ref = ref;
- orig.node = tipc_own_addr;
- return tipc_forward2name(ref, name, domain, num_sect, msg_sect, &orig,
- TIPC_PORT_IMPORTANCE);
-}
-
-/**
- * tipc_forward_buf2name - forward message buffer to port name
- */
-
-int tipc_forward_buf2name(u32 ref,
- struct tipc_name const *name,
- u32 domain,
- struct sk_buff *buf,
- unsigned int dsz,
- struct tipc_portid const *orig,
- unsigned int importance)
-{
- struct port *p_ptr;
- struct tipc_msg *msg;
- u32 destnode = domain;
- u32 destport = 0;
- int res;
-
- p_ptr = (struct port *)tipc_ref_deref(ref);
- if (!p_ptr || p_ptr->publ.connected)
- return -EINVAL;
-
- msg = &p_ptr->publ.phdr;
- if (importance <= TIPC_CRITICAL_IMPORTANCE)
- msg_set_importance(msg, importance);
- msg_set_type(msg, TIPC_NAMED_MSG);
- msg_set_orignode(msg, orig->node);
- msg_set_origport(msg, orig->ref);
- msg_set_nametype(msg, name->type);
- msg_set_nameinst(msg, name->instance);
- 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 = 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);
- 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 tipc_port_recv_msg(buf);
- res = tipc_send_buf_fast(buf, destnode);
- if (likely(res != -ELINKCONG))
- return res;
- if (port_unreliable(p_ptr))
- return dsz;
- return -ELINKCONG;
- }
- 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,
- u32 domain,
- struct sk_buff *buf,
- unsigned int dsz)
-{
- struct tipc_portid orig;
-
- orig.ref = ref;
- orig.node = tipc_own_addr;
- return tipc_forward_buf2name(ref, dest, domain, buf, dsz, &orig,
- TIPC_PORT_IMPORTANCE);
-}
-
-/**
- * tipc_forward2port - forward message sections to port identity
+ * tipc_send2port - send message sections to port identity
*/
-int tipc_forward2port(u32 ref,
- struct tipc_portid const *dest,
- unsigned int num_sect,
- struct iovec const *msg_sect,
- struct tipc_portid const *orig,
- unsigned int importance)
+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_msg *msg;
msg = &p_ptr->publ.phdr;
msg_set_type(msg, TIPC_DIRECT_MSG);
- msg_set_orignode(msg, orig->node);
- msg_set_origport(msg, orig->ref);
+ 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);
- if (importance <= TIPC_CRITICAL_IMPORTANCE)
- msg_set_importance(msg, importance);
p_ptr->sent++;
if (dest->node == tipc_own_addr)
return tipc_port_recv_sections(p_ptr, num_sect, msg_sect);
return res;
if (port_unreliable(p_ptr)) {
/* Just calculate msg length and return */
- return msg_calc_data_size(msg_sect, num_sect);
+ return tipc_msg_calc_data_size(msg_sect, num_sect);
}
return -ELINKCONG;
}
/**
- * tipc_send2port - send message sections to port identity
+ * tipc_send_buf2port - send message buffer to port identity
*/
-int tipc_send2port(u32 ref,
- struct tipc_portid const *dest,
- 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,
- TIPC_PORT_IMPORTANCE);
-}
-
-/**
- * tipc_forward_buf2port - forward message buffer to port identity
- */
-int tipc_forward_buf2port(u32 ref,
- struct tipc_portid const *dest,
- struct sk_buff *buf,
- unsigned int dsz,
- struct tipc_portid const *orig,
- unsigned int importance)
+int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest,
+ struct sk_buff *buf, unsigned int dsz)
{
struct port *p_ptr;
struct tipc_msg *msg;
msg = &p_ptr->publ.phdr;
msg_set_type(msg, TIPC_DIRECT_MSG);
- msg_set_orignode(msg, orig->node);
- msg_set_origport(msg, orig->ref);
+ 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);
- if (importance <= TIPC_CRITICAL_IMPORTANCE)
- msg_set_importance(msg, importance);
msg_set_size(msg, DIR_MSG_H_SIZE + dsz);
if (skb_cow(buf, DIR_MSG_H_SIZE))
return -ENOMEM;
skb_push(buf, 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 tipc_port_recv_msg(buf);
return -ELINKCONG;
}
-/**
- * tipc_send_buf2port - send message buffer to port identity
- */
-
-int tipc_send_buf2port(u32 ref,
- struct tipc_portid const *dest,
- 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,
- TIPC_PORT_IMPORTANCE);
-}
-
Code Review / linux-2.6.git / blobdiff