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[NET] TIPC: Fix whitespace errors.

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki
2007-02-09 23:25:21 +09:00
committed by David S. Miller
parent cca5172a7e
commit c430728526
44 changed files with 1200 additions and 1200 deletions
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216
net/tipc/node.c
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@@ -1,6 +1,6 @@
/*
* net/tipc/node.c: TIPC node management routines
*
*
* Copyright (c) 2000-2006, Ericsson AB
* Copyright (c) 2005-2006, Wind River Systems
* All rights reserved.
@@ -58,7 +58,7 @@ struct node *tipc_node_create(u32 addr)
{
struct cluster *c_ptr;
struct node *n_ptr;
struct node **curr_node;
struct node **curr_node;
n_ptr = kzalloc(sizeof(*n_ptr),GFP_ATOMIC);
if (!n_ptr) {
@@ -74,16 +74,16 @@ struct node *tipc_node_create(u32 addr)
kfree(n_ptr);
return NULL;
}
n_ptr->addr = addr;
spin_lock_init(&n_ptr->lock);
spin_lock_init(&n_ptr->lock);
INIT_LIST_HEAD(&n_ptr->nsub);
n_ptr->owner = c_ptr;
tipc_cltr_attach_node(c_ptr, n_ptr);
n_ptr->last_router = -1;
/* Insert node into ordered list */
for (curr_node = &tipc_nodes; *curr_node;
for (curr_node = &tipc_nodes; *curr_node;
curr_node = &(*curr_node)->next) {
if (addr < (*curr_node)->addr) {
n_ptr->next = *curr_node;
@@ -116,7 +116,7 @@ void tipc_node_delete(struct node *n_ptr)
/**
* tipc_node_link_up - handle addition of link
*
*
* Link becomes active (alone or shared) or standby, depending on its priority.
*/
@@ -128,19 +128,19 @@ void tipc_node_link_up(struct node *n_ptr, struct link *l_ptr)
info("Established link <%s> on network plane %c\n",
l_ptr->name, l_ptr->b_ptr->net_plane);
if (!active[0]) {
dbg(" link %x into %x/%x\n", l_ptr, &active[0], &active[1]);
active[0] = active[1] = l_ptr;
node_established_contact(n_ptr);
return;
}
if (l_ptr->priority < active[0]->priority) {
if (l_ptr->priority < active[0]->priority) {
info("New link <%s> becomes standby\n", l_ptr->name);
return;
}
tipc_link_send_duplicate(active[0], l_ptr);
if (l_ptr->priority == active[0]->priority) {
if (l_ptr->priority == active[0]->priority) {
active[0] = l_ptr;
return;
}
@@ -160,17 +160,17 @@ static void node_select_active_links(struct node *n_ptr)
u32 i;
u32 highest_prio = 0;
active[0] = active[1] = NULL;
active[0] = active[1] = NULL;
for (i = 0; i < MAX_BEARERS; i++) {
struct link *l_ptr = n_ptr->links[i];
struct link *l_ptr = n_ptr->links[i];
if (!l_ptr || !tipc_link_is_up(l_ptr) ||
(l_ptr->priority < highest_prio))
continue;
if (l_ptr->priority > highest_prio) {
highest_prio = l_ptr->priority;
highest_prio = l_ptr->priority;
active[0] = active[1] = l_ptr;
} else {
active[1] = l_ptr;
@@ -203,15 +203,15 @@ void tipc_node_link_down(struct node *n_ptr, struct link *l_ptr)
active[1] = active[0];
if (active[0] == l_ptr)
node_select_active_links(n_ptr);
if (tipc_node_is_up(n_ptr))
if (tipc_node_is_up(n_ptr))
tipc_link_changeover(l_ptr);
else
else
node_lost_contact(n_ptr);
}
int tipc_node_has_active_links(struct node *n_ptr)
{
return (n_ptr &&
return (n_ptr &&
((n_ptr->active_links[0]) || (n_ptr->active_links[1])));
}
@@ -236,28 +236,28 @@ struct node *tipc_node_attach_link(struct link *l_ptr)
if (!n_ptr)
n_ptr = tipc_node_create(l_ptr->addr);
if (n_ptr) {
if (n_ptr) {
u32 bearer_id = l_ptr->b_ptr->identity;
char addr_string[16];
if (n_ptr->link_cnt >= 2) {
if (n_ptr->link_cnt >= 2) {
char addr_string[16];
err("Attempt to create third link to %s\n",
err("Attempt to create third link to %s\n",
addr_string_fill(addr_string, n_ptr->addr));
return NULL;
}
return NULL;
}
if (!n_ptr->links[bearer_id]) {
n_ptr->links[bearer_id] = l_ptr;
tipc_net.zones[tipc_zone(l_ptr->addr)]->links++;
n_ptr->link_cnt++;
return n_ptr;
}
err("Attempt to establish second link on <%s> to %s \n",
l_ptr->b_ptr->publ.name,
if (!n_ptr->links[bearer_id]) {
n_ptr->links[bearer_id] = l_ptr;
tipc_net.zones[tipc_zone(l_ptr->addr)]->links++;
n_ptr->link_cnt++;
return n_ptr;
}
err("Attempt to establish second link on <%s> to %s \n",
l_ptr->b_ptr->publ.name,
addr_string_fill(addr_string, l_ptr->addr));
}
}
return NULL;
}
@@ -272,17 +272,17 @@ void tipc_node_detach_link(struct node *n_ptr, struct link *l_ptr)
* Routing table management - five cases to handle:
*
* 1: A link towards a zone/cluster external node comes up.
* => Send a multicast message updating routing tables of all
* system nodes within own cluster that the new destination
* can be reached via this node.
* => Send a multicast message updating routing tables of all
* system nodes within own cluster that the new destination
* can be reached via this node.
* (node.establishedContact()=>cluster.multicastNewRoute())
*
* 2: A link towards a slave node comes up.
* => Send a multicast message updating routing tables of all
* system nodes within own cluster that the new destination
* can be reached via this node.
* => Send a multicast message updating routing tables of all
* system nodes within own cluster that the new destination
* can be reached via this node.
* (node.establishedContact()=>cluster.multicastNewRoute())
* => Send a message to the slave node about existence
* => Send a message to the slave node about existence
* of all system nodes within cluster:
* (node.establishedContact()=>cluster.sendLocalRoutes())
*
@@ -292,13 +292,13 @@ void tipc_node_detach_link(struct node *n_ptr, struct link *l_ptr)
* nodes which can be reached via this node.
* (node.establishedContact()==>network.sendExternalRoutes())
* (node.establishedContact()==>network.sendSlaveRoutes())
* => Send messages to all directly connected slave nodes
* => Send messages to all directly connected slave nodes
* containing information about the existence of the new node
* (node.establishedContact()=>cluster.multicastNewRoute())
*
*
* 4: The link towards a zone/cluster external node or slave
* node goes down.
* => Send a multcast message updating routing tables of all
* => Send a multcast message updating routing tables of all
* nodes within cluster that the new destination can not any
* longer be reached via this node.
* (node.lostAllLinks()=>cluster.bcastLostRoute())
@@ -308,7 +308,7 @@ void tipc_node_detach_link(struct node *n_ptr, struct link *l_ptr)
* routing tables. Note: This is a completely node
* local operation.
* (node.lostAllLinks()=>network.removeAsRouter())
* => Send messages to all directly connected slave nodes
* => Send messages to all directly connected slave nodes
* containing information about loss of the node
* (node.establishedContact()=>cluster.multicastLostRoute())
*
@@ -319,12 +319,12 @@ static void node_established_contact(struct node *n_ptr)
struct cluster *c_ptr;
dbg("node_established_contact:-> %x\n", n_ptr->addr);
if (!tipc_node_has_active_routes(n_ptr) && in_own_cluster(n_ptr->addr)) {
if (!tipc_node_has_active_routes(n_ptr) && in_own_cluster(n_ptr->addr)) {
tipc_k_signal((Handler)tipc_named_node_up, n_ptr->addr);
}
/* Syncronize broadcast acks */
n_ptr->bclink.acked = tipc_bclink_get_last_sent();
/* Syncronize broadcast acks */
n_ptr->bclink.acked = tipc_bclink_get_last_sent();
if (is_slave(tipc_own_addr))
return;
@@ -333,11 +333,11 @@ static void node_established_contact(struct node *n_ptr)
c_ptr = tipc_cltr_find(tipc_own_addr);
if (!c_ptr)
c_ptr = tipc_cltr_create(tipc_own_addr);
if (c_ptr)
tipc_cltr_bcast_new_route(c_ptr, n_ptr->addr, 1,
if (c_ptr)
tipc_cltr_bcast_new_route(c_ptr, n_ptr->addr, 1,
tipc_max_nodes);
return;
}
}
c_ptr = n_ptr->owner;
if (is_slave(n_ptr->addr)) {
@@ -367,26 +367,26 @@ static void node_lost_contact(struct node *n_ptr)
char addr_string[16];
u32 i;
/* Clean up broadcast reception remains */
n_ptr->bclink.gap_after = n_ptr->bclink.gap_to = 0;
while (n_ptr->bclink.deferred_head) {
struct sk_buff* buf = n_ptr->bclink.deferred_head;
n_ptr->bclink.deferred_head = buf->next;
buf_discard(buf);
}
if (n_ptr->bclink.defragm) {
buf_discard(n_ptr->bclink.defragm);
n_ptr->bclink.defragm = NULL;
}
if (in_own_cluster(n_ptr->addr) && n_ptr->bclink.supported) {
tipc_bclink_acknowledge(n_ptr, mod(n_ptr->bclink.acked + 10000));
}
/* Clean up broadcast reception remains */
n_ptr->bclink.gap_after = n_ptr->bclink.gap_to = 0;
while (n_ptr->bclink.deferred_head) {
struct sk_buff* buf = n_ptr->bclink.deferred_head;
n_ptr->bclink.deferred_head = buf->next;
buf_discard(buf);
}
if (n_ptr->bclink.defragm) {
buf_discard(n_ptr->bclink.defragm);
n_ptr->bclink.defragm = NULL;
}
if (in_own_cluster(n_ptr->addr) && n_ptr->bclink.supported) {
tipc_bclink_acknowledge(n_ptr, mod(n_ptr->bclink.acked + 10000));
}
/* Update routing tables */
/* Update routing tables */
if (is_slave(tipc_own_addr)) {
tipc_net_remove_as_router(n_ptr->addr);
} else {
if (!in_own_cluster(n_ptr->addr)) {
if (!in_own_cluster(n_ptr->addr)) {
/* Case 4 (see above) */
c_ptr = tipc_cltr_find(tipc_own_addr);
tipc_cltr_bcast_lost_route(c_ptr, n_ptr->addr, 1,
@@ -399,7 +399,7 @@ static void node_lost_contact(struct node *n_ptr)
tipc_max_nodes);
} else {
if (n_ptr->bclink.supported) {
tipc_nmap_remove(&tipc_cltr_bcast_nodes,
tipc_nmap_remove(&tipc_cltr_bcast_nodes,
n_ptr->addr);
if (n_ptr->addr < tipc_own_addr)
tipc_own_tag--;
@@ -414,13 +414,13 @@ static void node_lost_contact(struct node *n_ptr)
if (tipc_node_has_active_routes(n_ptr))
return;
info("Lost contact with %s\n",
info("Lost contact with %s\n",
addr_string_fill(addr_string, n_ptr->addr));
/* Abort link changeover */
for (i = 0; i < MAX_BEARERS; i++) {
struct link *l_ptr = n_ptr->links[i];
if (!l_ptr)
if (!l_ptr)
continue;
l_ptr->reset_checkpoint = l_ptr->next_in_no;
l_ptr->exp_msg_count = 0;
@@ -429,7 +429,7 @@ static void node_lost_contact(struct node *n_ptr)
/* Notify subscribers */
list_for_each_entry_safe(ns, tns, &n_ptr->nsub, nodesub_list) {
ns->node = NULL;
ns->node = NULL;
list_del_init(&ns->nodesub_list);
tipc_k_signal((Handler)ns->handle_node_down,
(unsigned long)ns->usr_handle);
@@ -438,7 +438,7 @@ static void node_lost_contact(struct node *n_ptr)
/**
* tipc_node_select_next_hop - find the next-hop node for a message
*
*
* Called by when cluster local lookup has failed.
*/
@@ -447,13 +447,13 @@ struct node *tipc_node_select_next_hop(u32 addr, u32 selector)
struct node *n_ptr;
u32 router_addr;
if (!tipc_addr_domain_valid(addr))
return NULL;
if (!tipc_addr_domain_valid(addr))
return NULL;
/* Look for direct link to destination processsor */
n_ptr = tipc_node_find(addr);
if (n_ptr && tipc_node_has_active_links(n_ptr))
return n_ptr;
return n_ptr;
/* Cluster local system nodes *must* have direct links */
if (!is_slave(addr) && in_own_cluster(addr))
@@ -461,10 +461,10 @@ struct node *tipc_node_select_next_hop(u32 addr, u32 selector)
/* Look for cluster local router with direct link to node */
router_addr = tipc_node_select_router(n_ptr, selector);
if (router_addr)
return tipc_node_select(router_addr, selector);
if (router_addr)
return tipc_node_select(router_addr, selector);
/* Slave nodes can only be accessed within own cluster via a
/* Slave nodes can only be accessed within own cluster via a
known router with direct link -- if no router was found,give up */
if (is_slave(addr))
return NULL;
@@ -473,20 +473,20 @@ struct node *tipc_node_select_next_hop(u32 addr, u32 selector)
addr = tipc_addr(tipc_zone(addr), tipc_cluster(addr), 0);
n_ptr = tipc_net_select_remote_node(addr, selector);
if (n_ptr && tipc_node_has_active_links(n_ptr))
return n_ptr;
return n_ptr;
/* Last resort -- look for any router to anywhere in remote zone */
router_addr = tipc_net_select_router(addr, selector);
if (router_addr)
return tipc_node_select(router_addr, selector);
if (router_addr)
return tipc_node_select(router_addr, selector);
return NULL;
return NULL;
}
/**
* tipc_node_select_router - select router to reach specified node
*
* Uses a deterministic and fair algorithm for selecting router node.
*
* Uses a deterministic and fair algorithm for selecting router node.
*/
u32 tipc_node_select_router(struct node *n_ptr, u32 ref)
@@ -496,8 +496,8 @@ u32 tipc_node_select_router(struct node *n_ptr, u32 ref)
u32 start;
u32 r;
if (!n_ptr)
return 0;
if (!n_ptr)
return 0;
if (n_ptr->last_router < 0)
return 0;
@@ -531,10 +531,10 @@ void tipc_node_add_router(struct node *n_ptr, u32 router)
{
u32 r_num = tipc_node(router);
n_ptr->routers[r_num / 32] =
n_ptr->routers[r_num / 32] =
((1 << (r_num % 32)) | n_ptr->routers[r_num / 32]);
n_ptr->last_router = tipc_max_nodes / 32;
while ((--n_ptr->last_router >= 0) &&
while ((--n_ptr->last_router >= 0) &&
!n_ptr->routers[n_ptr->last_router]);
}
@@ -548,7 +548,7 @@ void tipc_node_remove_router(struct node *n_ptr, u32 router)
n_ptr->routers[r_num / 32] =
((~(1 << (r_num % 32))) & (n_ptr->routers[r_num / 32]));
n_ptr->last_router = tipc_max_nodes / 32;
while ((--n_ptr->last_router >= 0) &&
while ((--n_ptr->last_router >= 0) &&
!n_ptr->routers[n_ptr->last_router]);
if (!tipc_node_is_up(n_ptr))
@@ -562,7 +562,7 @@ void node_print(struct print_buf *buf, struct node *n_ptr, char *str)
tipc_printf(buf, "\n\n%s", str);
for (i = 0; i < MAX_BEARERS; i++) {
if (!n_ptr->links[i])
if (!n_ptr->links[i])
continue;
tipc_printf(buf, "Links[%u]: %x, ", i, n_ptr->links[i]);
}
@@ -590,7 +590,7 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)
u32 domain;
struct sk_buff *buf;
struct node *n_ptr;
struct tipc_node_info node_info;
struct tipc_node_info node_info;
u32 payload_size;
if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR))
@@ -601,10 +601,10 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)
return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
" (network address)");
if (!tipc_nodes)
return tipc_cfg_reply_none();
if (!tipc_nodes)
return tipc_cfg_reply_none();
/* For now, get space for all other nodes
/* For now, get space for all other nodes
(will need to modify this when slave nodes are supported */
payload_size = TLV_SPACE(sizeof(node_info)) * (tipc_max_nodes - 1);
@@ -620,9 +620,9 @@ struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)
for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) {
if (!in_scope(domain, n_ptr->addr))
continue;
node_info.addr = htonl(n_ptr->addr);
node_info.up = htonl(tipc_node_is_up(n_ptr));
tipc_cfg_append_tlv(buf, TIPC_TLV_NODE_INFO,
node_info.addr = htonl(n_ptr->addr);
node_info.up = htonl(tipc_node_is_up(n_ptr));
tipc_cfg_append_tlv(buf, TIPC_TLV_NODE_INFO,
&node_info, sizeof(node_info));
}
@@ -634,7 +634,7 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space)
u32 domain;
struct sk_buff *buf;
struct node *n_ptr;
struct tipc_link_info link_info;
struct tipc_link_info link_info;
u32 payload_size;
if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR))
@@ -645,9 +645,9 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space)
return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
" (network address)");
if (tipc_mode != TIPC_NET_MODE)
return tipc_cfg_reply_none();
if (tipc_mode != TIPC_NET_MODE)
return tipc_cfg_reply_none();
/* Get space for all unicast links + multicast link */
payload_size = TLV_SPACE(sizeof(link_info)) *
@@ -661,27 +661,27 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space)
/* Add TLV for broadcast link */
link_info.dest = htonl(tipc_own_addr & 0xfffff00);
link_info.up = htonl(1);
sprintf(link_info.str, tipc_bclink_name);
link_info.dest = htonl(tipc_own_addr & 0xfffff00);
link_info.up = htonl(1);
sprintf(link_info.str, tipc_bclink_name);
tipc_cfg_append_tlv(buf, TIPC_TLV_LINK_INFO, &link_info, sizeof(link_info));
/* Add TLVs for any other links in scope */
for (n_ptr = tipc_nodes; n_ptr; n_ptr = n_ptr->next) {
u32 i;
u32 i;
if (!in_scope(domain, n_ptr->addr))
continue;
for (i = 0; i < MAX_BEARERS; i++) {
if (!n_ptr->links[i])
continue;
link_info.dest = htonl(n_ptr->addr);
link_info.up = htonl(tipc_link_is_up(n_ptr->links[i]));
strcpy(link_info.str, n_ptr->links[i]->name);
tipc_cfg_append_tlv(buf, TIPC_TLV_LINK_INFO,
for (i = 0; i < MAX_BEARERS; i++) {
if (!n_ptr->links[i])
continue;
link_info.dest = htonl(n_ptr->addr);
link_info.up = htonl(tipc_link_is_up(n_ptr->links[i]));
strcpy(link_info.str, n_ptr->links[i]->name);
tipc_cfg_append_tlv(buf, TIPC_TLV_LINK_INFO,
&link_info, sizeof(link_info));
}
}
}
return buf;