/*
* net/tipc/name_distr.c: TIPC name distribution code
- *
+ *
* Copyright (c) 2000-2006, Ericsson AB
* Copyright (c) 2005, Wind River Systems
* All rights reserved.
* @upper: name sequence upper bound
* @ref: publishing port reference
* @key: publication key
- *
+ *
* ===> All fields are stored in network byte order. <===
- *
+ *
* First 3 fields identify (name or) name sequence being published.
* Reference field uniquely identifies port that published name sequence.
* Key field uniquely identifies publication, in the event a port has
* multiple publications of the same name sequence.
- *
- * Note: There is no field that identifies the publishing node because it is
+ *
+ * Note: There is no field that identifies the publishing node because it is
* the same for all items contained within a publication message.
*/
struct distr_item {
- u32 type;
- u32 lower;
- u32 upper;
- u32 ref;
- u32 key;
+ __be32 type;
+ __be32 lower;
+ __be32 upper;
+ __be32 ref;
+ __be32 key;
};
/**
- * List of externally visible publications by this node --
+ * List of externally visible publications by this node --
* that is, all publications having scope > TIPC_NODE_SCOPE.
*/
static LIST_HEAD(publ_root);
-static u32 publ_cnt = 0;
+static u32 publ_cnt = 0;
/**
* publ_to_item - add publication info to a publication message
static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
{
- struct sk_buff *buf = buf_acquire(LONG_H_SIZE + size);
+ struct sk_buff *buf = buf_acquire(LONG_H_SIZE + size);
struct tipc_msg *msg;
if (buf != NULL) {
msg = buf_msg(buf);
- msg_init(msg, NAME_DISTRIBUTOR, type, TIPC_OK,
+ msg_init(msg, NAME_DISTRIBUTOR, type, TIPC_OK,
LONG_H_SIZE, dest);
msg_set_size(msg, LONG_H_SIZE + size);
}
struct sk_buff *buf;
struct distr_item *item;
- list_add(&publ->local_list, &publ_root);
+ list_add_tail(&publ->local_list, &publ_root);
publ_cnt++;
buf = named_prepare_buf(PUBLICATION, ITEM_SIZE, 0);
u32 rest;
u32 max_item_buf;
- read_lock_bh(&tipc_nametbl_lock);
+ read_lock_bh(&tipc_nametbl_lock);
max_item_buf = TIPC_MAX_USER_MSG_SIZE / ITEM_SIZE;
max_item_buf *= ITEM_SIZE;
rest = publ_cnt * ITEM_SIZE;
if (!buf) {
left = (rest <= max_item_buf) ? rest : max_item_buf;
rest -= left;
- buf = named_prepare_buf(PUBLICATION, left, node);
+ buf = named_prepare_buf(PUBLICATION, left, node);
if (!buf) {
warn("Bulk publication distribution failure\n");
goto exit;
if (!left) {
msg_set_link_selector(buf_msg(buf), node);
dbg("tipc_named_node_up: sending publish msg to "
- "<%u.%u.%u>\n", tipc_zone(node),
+ "<%u.%u.%u>\n", tipc_zone(node),
tipc_cluster(node), tipc_node(node));
tipc_link_send(buf, node, node);
buf = NULL;
}
}
exit:
- read_unlock_bh(&tipc_nametbl_lock);
+ read_unlock_bh(&tipc_nametbl_lock);
}
/**
* node_is_down - remove publication associated with a failed node
- *
- * Invoked for each publication issued by a newly failed node.
+ *
+ * Invoked for each publication issued by a newly failed node.
* Removes publication structure from name table & deletes it.
* In rare cases the link may have come back up again when this
* function is called, and we have two items representing the same
{
struct publication *p;
- write_lock_bh(&tipc_nametbl_lock);
- dbg("node_is_down: withdrawing %u, %u, %u\n",
+ write_lock_bh(&tipc_nametbl_lock);
+ dbg("node_is_down: withdrawing %u, %u, %u\n",
publ->type, publ->lower, publ->upper);
- publ->key += 1222345;
- p = tipc_nametbl_remove_publ(publ->type, publ->lower,
+ publ->key += 1222345;
+ p = tipc_nametbl_remove_publ(publ->type, publ->lower,
publ->node, publ->ref, publ->key);
write_unlock_bh(&tipc_nametbl_lock);
- if (p != publ) {
+ if (p != publ) {
err("Unable to remove publication from failed node\n"
"(type=%u, lower=%u, node=0x%x, ref=%u, key=%u)\n",
publ->type, publ->lower, publ->node, publ->ref, publ->key);
struct distr_item *item = (struct distr_item *)msg_data(msg);
u32 count = msg_data_sz(msg) / ITEM_SIZE;
- write_lock_bh(&tipc_nametbl_lock);
+ write_lock_bh(&tipc_nametbl_lock);
while (count--) {
if (msg_type(msg) == PUBLICATION) {
- dbg("tipc_named_recv: got publication for %u, %u, %u\n",
+ dbg("tipc_named_recv: got publication for %u, %u, %u\n",
ntohl(item->type), ntohl(item->lower),
ntohl(item->upper));
- publ = tipc_nametbl_insert_publ(ntohl(item->type),
+ publ = tipc_nametbl_insert_publ(ntohl(item->type),
ntohl(item->lower),
ntohl(item->upper),
TIPC_CLUSTER_SCOPE,
- msg_orignode(msg),
+ msg_orignode(msg),
ntohl(item->ref),
ntohl(item->key));
if (publ) {
- tipc_nodesub_subscribe(&publ->subscr,
- msg_orignode(msg),
+ tipc_nodesub_subscribe(&publ->subscr,
+ msg_orignode(msg),
publ,
(net_ev_handler)node_is_down);
}
} else if (msg_type(msg) == WITHDRAWAL) {
- dbg("tipc_named_recv: got withdrawl for %u, %u, %u\n",
+ dbg("tipc_named_recv: got withdrawl for %u, %u, %u\n",
ntohl(item->type), ntohl(item->lower),
ntohl(item->upper));
publ = tipc_nametbl_remove_publ(ntohl(item->type),
if (publ) {
tipc_nodesub_unsubscribe(&publ->subscr);
- kfree(publ);
+ kfree(publ);
} else {
err("Unable to remove publication by node 0x%x\n"
"(type=%u, lower=%u, ref=%u, key=%u)\n",
}
item++;
}
- write_unlock_bh(&tipc_nametbl_lock);
+ write_unlock_bh(&tipc_nametbl_lock);
buf_discard(buf);
}
/**
* tipc_named_reinit - re-initialize local publication list
- *
+ *
* This routine is called whenever TIPC networking is (re)enabled.
* All existing publications by this node that have "cluster" or "zone" scope
* are updated to reflect the node's current network address.
{
struct publication *publ;
- write_lock_bh(&tipc_nametbl_lock);
+ write_lock_bh(&tipc_nametbl_lock);
list_for_each_entry(publ, &publ_root, local_list) {
if (publ->node == tipc_own_addr)
break;
publ->node = tipc_own_addr;
}
- write_unlock_bh(&tipc_nametbl_lock);
+ write_unlock_bh(&tipc_nametbl_lock);
}
projects / linux-drm-fsl-dcu.git / blobdiff