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-rw-r--r--net/tipc/Kconfig12
-rw-r--r--net/tipc/addr.c15
-rw-r--r--net/tipc/addr.h17
-rw-r--r--net/tipc/bcast.c47
-rw-r--r--net/tipc/bcast.h3
-rw-r--r--net/tipc/bearer.c116
-rw-r--r--net/tipc/bearer.h73
-rw-r--r--net/tipc/config.c31
-rw-r--r--net/tipc/core.c9
-rw-r--r--net/tipc/core.h4
-rw-r--r--net/tipc/discover.c140
-rw-r--r--net/tipc/discover.h9
-rw-r--r--net/tipc/link.c130
-rw-r--r--net/tipc/link.h29
-rw-r--r--net/tipc/msg.c41
-rw-r--r--net/tipc/msg.h64
-rw-r--r--net/tipc/name_distr.c18
-rw-r--r--net/tipc/net.c32
-rw-r--r--net/tipc/net.h19
-rw-r--r--net/tipc/node.c125
-rw-r--r--net/tipc/node.h36
-rw-r--r--net/tipc/node_subscr.c21
-rw-r--r--net/tipc/node_subscr.h3
-rw-r--r--net/tipc/port.c306
-rw-r--r--net/tipc/port.h73
-rw-r--r--net/tipc/socket.c76
-rw-r--r--net/tipc/subscr.c13
27 files changed, 644 insertions, 818 deletions
diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig
index 0436927369f..2c5954b8593 100644
--- a/net/tipc/Kconfig
+++ b/net/tipc/Kconfig
@@ -29,18 +29,6 @@ config TIPC_ADVANCED
Saying Y here will open some advanced configuration for TIPC.
Most users do not need to bother; if unsure, just say N.
-config TIPC_NODES
- int "Maximum number of nodes in a cluster"
- depends on TIPC_ADVANCED
- range 8 2047
- default "255"
- help
- Specifies how many nodes can be supported in a TIPC cluster.
- Can range from 8 to 2047 nodes; default is 255.
-
- Setting this to a smaller value saves some memory;
- setting it to higher allows for more nodes.
-
config TIPC_PORTS
int "Maximum number of ports in a node"
depends on TIPC_ADVANCED
diff --git a/net/tipc/addr.c b/net/tipc/addr.c
index 88463d9a6f1..a6fdab33877 100644
--- a/net/tipc/addr.c
+++ b/net/tipc/addr.c
@@ -2,7 +2,7 @@
* net/tipc/addr.c: TIPC address utility routines
*
* Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 2004-2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@
* tipc_addr_domain_valid - validates a network domain address
*
* Accepts <Z.C.N>, <Z.C.0>, <Z.0.0>, and <0.0.0>,
- * where Z, C, and N are non-zero and do not exceed the configured limits.
+ * where Z, C, and N are non-zero.
*
* Returns 1 if domain address is valid, otherwise 0
*/
@@ -51,10 +51,6 @@ int tipc_addr_domain_valid(u32 addr)
u32 n = tipc_node(addr);
u32 c = tipc_cluster(addr);
u32 z = tipc_zone(addr);
- u32 max_nodes = tipc_max_nodes;
-
- if (n > max_nodes)
- return 0;
if (n && (!z || !c))
return 0;
@@ -66,8 +62,7 @@ int tipc_addr_domain_valid(u32 addr)
/**
* tipc_addr_node_valid - validates a proposed network address for this node
*
- * Accepts <Z.C.N>, where Z, C, and N are non-zero and do not exceed
- * the configured limits.
+ * Accepts <Z.C.N>, where Z, C, and N are non-zero.
*
* Returns 1 if address can be used, otherwise 0
*/
@@ -81,9 +76,9 @@ int tipc_in_scope(u32 domain, u32 addr)
{
if (!domain || (domain == addr))
return 1;
- if (domain == (addr & 0xfffff000u)) /* domain <Z.C.0> */
+ if (domain == tipc_cluster_mask(addr)) /* domain <Z.C.0> */
return 1;
- if (domain == (addr & 0xff000000u)) /* domain <Z.0.0> */
+ if (domain == tipc_zone_mask(addr)) /* domain <Z.0.0> */
return 1;
return 0;
}
diff --git a/net/tipc/addr.h b/net/tipc/addr.h
index 2490fadd0ca..8971aba99ae 100644
--- a/net/tipc/addr.h
+++ b/net/tipc/addr.h
@@ -37,6 +37,16 @@
#ifndef _TIPC_ADDR_H
#define _TIPC_ADDR_H
+static inline u32 tipc_zone_mask(u32 addr)
+{
+ return addr & 0xff000000u;
+}
+
+static inline u32 tipc_cluster_mask(u32 addr)
+{
+ return addr & 0xfffff000u;
+}
+
static inline int in_own_cluster(u32 addr)
{
return !((addr ^ tipc_own_addr) >> 12);
@@ -49,14 +59,13 @@ static inline int in_own_cluster(u32 addr)
* after a network hop.
*/
-static inline int addr_domain(int sc)
+static inline u32 addr_domain(u32 sc)
{
if (likely(sc == TIPC_NODE_SCOPE))
return tipc_own_addr;
if (sc == TIPC_CLUSTER_SCOPE)
- return tipc_addr(tipc_zone(tipc_own_addr),
- tipc_cluster(tipc_own_addr), 0);
- return tipc_addr(tipc_zone(tipc_own_addr), 0, 0);
+ return tipc_cluster_mask(tipc_own_addr);
+ return tipc_zone_mask(tipc_own_addr);
}
int tipc_addr_domain_valid(u32);
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index 70ab5ef4876..7dc1dc7151e 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2004-2006, Ericsson AB
* Copyright (c) 2004, Intel Corporation.
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -61,8 +61,8 @@
*/
struct bcbearer_pair {
- struct bearer *primary;
- struct bearer *secondary;
+ struct tipc_bearer *primary;
+ struct tipc_bearer *secondary;
};
/**
@@ -81,7 +81,7 @@ struct bcbearer_pair {
*/
struct bcbearer {
- struct bearer bearer;
+ struct tipc_bearer bearer;
struct media media;
struct bcbearer_pair bpairs[MAX_BEARERS];
struct bcbearer_pair bpairs_temp[TIPC_MAX_LINK_PRI + 1];
@@ -93,6 +93,7 @@ struct bcbearer {
* struct bclink - link used for broadcast messages
* @link: (non-standard) broadcast link structure
* @node: (non-standard) node structure representing b'cast link's peer node
+ * @retransmit_to: node that most recently requested a retransmit
*
* Handles sequence numbering, fragmentation, bundling, etc.
*/
@@ -100,6 +101,7 @@ struct bcbearer {
struct bclink {
struct link link;
struct tipc_node node;
+ struct tipc_node *retransmit_to;
};
@@ -184,6 +186,17 @@ static int bclink_ack_allowed(u32 n)
/**
+ * tipc_bclink_retransmit_to - get most recent node to request retransmission
+ *
+ * Called with bc_lock locked
+ */
+
+struct tipc_node *tipc_bclink_retransmit_to(void)
+{
+ return bclink->retransmit_to;
+}
+
+/**
* bclink_retransmit_pkt - retransmit broadcast packets
* @after: sequence number of last packet to *not* retransmit
* @to: sequence number of last packet to retransmit
@@ -285,6 +298,7 @@ static void bclink_send_nack(struct tipc_node *n_ptr)
msg = buf_msg(buf);
tipc_msg_init(msg, BCAST_PROTOCOL, STATE_MSG,
INT_H_SIZE, n_ptr->addr);
+ msg_set_non_seq(msg, 1);
msg_set_mc_netid(msg, tipc_net_id);
msg_set_bcast_ack(msg, mod(n_ptr->bclink.last_in));
msg_set_bcgap_after(msg, n_ptr->bclink.gap_after);
@@ -405,8 +419,6 @@ int tipc_bclink_send_msg(struct sk_buff *buf)
else
bclink_set_last_sent();
- if (bcl->out_queue_size > bcl->stats.max_queue_sz)
- bcl->stats.max_queue_sz = bcl->out_queue_size;
bcl->stats.queue_sz_counts++;
bcl->stats.accu_queue_sz += bcl->out_queue_size;
@@ -444,10 +456,9 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf)
tipc_node_unlock(node);
spin_lock_bh(&bc_lock);
bcl->stats.recv_nacks++;
- bcl->owner->next = node; /* remember requestor */
+ bclink->retransmit_to = node;
bclink_retransmit_pkt(msg_bcgap_after(msg),
msg_bcgap_to(msg));
- bcl->owner->next = NULL;
spin_unlock_bh(&bc_lock);
} else {
tipc_bclink_peek_nack(msg_destnode(msg),
@@ -574,8 +585,8 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
bcbearer->remains = tipc_bcast_nmap;
for (bp_index = 0; bp_index < MAX_BEARERS; bp_index++) {
- struct bearer *p = bcbearer->bpairs[bp_index].primary;
- struct bearer *s = bcbearer->bpairs[bp_index].secondary;
+ struct tipc_bearer *p = bcbearer->bpairs[bp_index].primary;
+ struct tipc_bearer *s = bcbearer->bpairs[bp_index].secondary;
if (!p)
break; /* no more bearers to try */
@@ -584,11 +595,11 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
if (bcbearer->remains_new.count == bcbearer->remains.count)
continue; /* bearer pair doesn't add anything */
- if (p->publ.blocked ||
- p->media->send_msg(buf, &p->publ, &p->media->bcast_addr)) {
+ if (p->blocked ||
+ p->media->send_msg(buf, p, &p->media->bcast_addr)) {
/* unable to send on primary bearer */
- if (!s || s->publ.blocked ||
- s->media->send_msg(buf, &s->publ,
+ if (!s || s->blocked ||
+ s->media->send_msg(buf, s,
&s->media->bcast_addr)) {
/* unable to send on either bearer */
continue;
@@ -633,7 +644,7 @@ void tipc_bcbearer_sort(void)
memset(bp_temp, 0, sizeof(bcbearer->bpairs_temp));
for (b_index = 0; b_index < MAX_BEARERS; b_index++) {
- struct bearer *b = &tipc_bearers[b_index];
+ struct tipc_bearer *b = &tipc_bearers[b_index];
if (!b->active || !b->nodes.count)
continue;
@@ -682,12 +693,12 @@ void tipc_bcbearer_sort(void)
void tipc_bcbearer_push(void)
{
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
spin_lock_bh(&bc_lock);
b_ptr = &bcbearer->bearer;
- if (b_ptr->publ.blocked) {
- b_ptr->publ.blocked = 0;
+ if (b_ptr->blocked) {
+ b_ptr->blocked = 0;
tipc_bearer_lock_push(b_ptr);
}
spin_unlock_bh(&bc_lock);
diff --git a/net/tipc/bcast.h b/net/tipc/bcast.h
index 51f8c5326ce..500c97f1c85 100644
--- a/net/tipc/bcast.h
+++ b/net/tipc/bcast.h
@@ -2,7 +2,7 @@
* net/tipc/bcast.h: Include file for TIPC broadcast code
*
* Copyright (c) 2003-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -90,6 +90,7 @@ void tipc_port_list_free(struct port_list *pl_ptr);
int tipc_bclink_init(void);
void tipc_bclink_stop(void);
+struct tipc_node *tipc_bclink_retransmit_to(void);
void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked);
int tipc_bclink_send_msg(struct sk_buff *buf);
void tipc_bclink_recv_pkt(struct sk_buff *buf);
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 837b7a46788..411719feb80 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -2,7 +2,7 @@
* net/tipc/bearer.c: TIPC bearer code
*
* Copyright (c) 1996-2006, Ericsson AB
- * Copyright (c) 2004-2006, Wind River Systems
+ * Copyright (c) 2004-2006, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,7 +44,7 @@
static struct media media_list[MAX_MEDIA];
static u32 media_count;
-struct bearer tipc_bearers[MAX_BEARERS];
+struct tipc_bearer tipc_bearers[MAX_BEARERS];
/**
* media_name_valid - validate media name
@@ -158,7 +158,6 @@ int tipc_register_media(u32 media_type,
m_ptr->disable_bearer = disable;
m_ptr->addr2str = addr2str;
memcpy(&m_ptr->bcast_addr, bcast_addr, sizeof(*bcast_addr));
- m_ptr->bcast = 1;
strcpy(m_ptr->name, name);
m_ptr->priority = bearer_priority;
m_ptr->tolerance = link_tolerance;
@@ -278,13 +277,13 @@ static int bearer_name_validate(const char *name,
* bearer_find - locates bearer object with matching bearer name
*/
-static struct bearer *bearer_find(const char *name)
+static struct tipc_bearer *bearer_find(const char *name)
{
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
u32 i;
for (i = 0, b_ptr = tipc_bearers; i < MAX_BEARERS; i++, b_ptr++) {
- if (b_ptr->active && (!strcmp(b_ptr->publ.name, name)))
+ if (b_ptr->active && (!strcmp(b_ptr->name, name)))
return b_ptr;
}
return NULL;
@@ -294,16 +293,16 @@ static struct bearer *bearer_find(const char *name)
* tipc_bearer_find_interface - locates bearer object with matching interface name
*/
-struct bearer *tipc_bearer_find_interface(const char *if_name)
+struct tipc_bearer *tipc_bearer_find_interface(const char *if_name)
{
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
char *b_if_name;
u32 i;
for (i = 0, b_ptr = tipc_bearers; i < MAX_BEARERS; i++, b_ptr++) {
if (!b_ptr->active)
continue;
- b_if_name = strchr(b_ptr->publ.name, ':') + 1;
+ b_if_name = strchr(b_ptr->name, ':') + 1;
if (!strcmp(b_if_name, if_name))
return b_ptr;
}
@@ -318,7 +317,7 @@ struct sk_buff *tipc_bearer_get_names(void)
{
struct sk_buff *buf;
struct media *m_ptr;
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
int i, j;
buf = tipc_cfg_reply_alloc(MAX_BEARERS * TLV_SPACE(TIPC_MAX_BEARER_NAME));
@@ -331,8 +330,8 @@ struct sk_buff *tipc_bearer_get_names(void)
b_ptr = &tipc_bearers[j];
if (b_ptr->active && (b_ptr->media == m_ptr)) {
tipc_cfg_append_tlv(buf, TIPC_TLV_BEARER_NAME,
- b_ptr->publ.name,
- strlen(b_ptr->publ.name) + 1);
+ b_ptr->name,
+ strlen(b_ptr->name) + 1);
}
}
}
@@ -340,14 +339,14 @@ struct sk_buff *tipc_bearer_get_names(void)
return buf;
}
-void tipc_bearer_add_dest(struct bearer *b_ptr, u32 dest)
+void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest)
{
tipc_nmap_add(&b_ptr->nodes, dest);
tipc_disc_update_link_req(b_ptr->link_req);
tipc_bcbearer_sort();
}
-void tipc_bearer_remove_dest(struct bearer *b_ptr, u32 dest)
+void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest)
{
tipc_nmap_remove(&b_ptr->nodes, dest);
tipc_disc_update_link_req(b_ptr->link_req);
@@ -362,12 +361,12 @@ void tipc_bearer_remove_dest(struct bearer *b_ptr, u32 dest)
* bearer.lock must be taken before calling
* Returns binary true(1) ore false(0)
*/
-static int bearer_push(struct bearer *b_ptr)
+static int bearer_push(struct tipc_bearer *b_ptr)
{
u32 res = 0;
struct link *ln, *tln;
- if (b_ptr->publ.blocked)
+ if (b_ptr->blocked)
return 0;
while (!list_empty(&b_ptr->cong_links) && (res != PUSH_FAILED)) {
@@ -382,13 +381,13 @@ static int bearer_push(struct bearer *b_ptr)
return list_empty(&b_ptr->cong_links);
}
-void tipc_bearer_lock_push(struct bearer *b_ptr)
+void tipc_bearer_lock_push(struct tipc_bearer *b_ptr)
{
int res;
- spin_lock_bh(&b_ptr->publ.lock);
+ spin_lock_bh(&b_ptr->lock);
res = bearer_push(b_ptr);
- spin_unlock_bh(&b_ptr->publ.lock);
+ spin_unlock_bh(&b_ptr->lock);
if (res)
tipc_bcbearer_push();
}
@@ -398,16 +397,14 @@ void tipc_bearer_lock_push(struct bearer *b_ptr)
* Interrupt enabling new requests after bearer congestion or blocking:
* See bearer_send().
*/
-void tipc_continue(struct tipc_bearer *tb_ptr)
+void tipc_continue(struct tipc_bearer *b_ptr)
{
- struct bearer *b_ptr = (struct bearer *)tb_ptr;
-
- spin_lock_bh(&b_ptr->publ.lock);
+ spin_lock_bh(&b_ptr->lock);
b_ptr->continue_count++;
if (!list_empty(&b_ptr->cong_links))
tipc_k_signal((Handler)tipc_bearer_lock_push, (unsigned long)b_ptr);
- b_ptr->publ.blocked = 0;
- spin_unlock_bh(&b_ptr->publ.lock);
+ b_ptr->blocked = 0;
+ spin_unlock_bh(&b_ptr->lock);
}
/*
@@ -418,7 +415,7 @@ void tipc_continue(struct tipc_bearer *tb_ptr)
* bearer.lock is busy
*/
-static void tipc_bearer_schedule_unlocked(struct bearer *b_ptr, struct link *l_ptr)
+static void tipc_bearer_schedule_unlocked(struct tipc_bearer *b_ptr, struct link *l_ptr)
{
list_move_tail(&l_ptr->link_list, &b_ptr->cong_links);
}
@@ -431,11 +428,11 @@ static void tipc_bearer_schedule_unlocked(struct bearer *b_ptr, struct link *l_p
* bearer.lock is free
*/
-void tipc_bearer_schedule(struct bearer *b_ptr, struct link *l_ptr)
+void tipc_bearer_schedule(struct tipc_bearer *b_ptr, struct link *l_ptr)
{
- spin_lock_bh(&b_ptr->publ.lock);
+ spin_lock_bh(&b_ptr->lock);
tipc_bearer_schedule_unlocked(b_ptr, l_ptr);
- spin_unlock_bh(&b_ptr->publ.lock);
+ spin_unlock_bh(&b_ptr->lock);
}
@@ -444,18 +441,18 @@ void tipc_bearer_schedule(struct bearer *b_ptr, struct link *l_ptr)
* and if there is, try to resolve it before returning.
* 'tipc_net_lock' is read_locked when this function is called
*/
-int tipc_bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr)
+int tipc_bearer_resolve_congestion(struct tipc_bearer *b_ptr, struct link *l_ptr)
{
int res = 1;
if (list_empty(&b_ptr->cong_links))
return 1;
- spin_lock_bh(&b_ptr->publ.lock);
+ spin_lock_bh(&b_ptr->lock);
if (!bearer_push(b_ptr)) {
tipc_bearer_schedule_unlocked(b_ptr, l_ptr);
res = 0;
}
- spin_unlock_bh(&b_ptr->publ.lock);
+ spin_unlock_bh(&b_ptr->lock);
return res;
}
@@ -463,9 +460,9 @@ int tipc_bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr)
* tipc_bearer_congested - determines if bearer is currently congested
*/
-int tipc_bearer_congested(struct bearer *b_ptr, struct link *l_ptr)
+int tipc_bearer_congested(struct tipc_bearer *b_ptr, struct link *l_ptr)
{
- if (unlikely(b_ptr->publ.blocked))
+ if (unlikely(b_ptr->blocked))
return 1;
if (likely(list_empty(&b_ptr->cong_links)))
return 0;
@@ -476,9 +473,9 @@ int tipc_bearer_congested(struct bearer *b_ptr, struct link *l_ptr)
* tipc_enable_bearer - enable bearer with the given name
*/
-int tipc_enable_bearer(const char *name, u32 bcast_scope, u32 priority)
+int tipc_enable_bearer(const char *name, u32 disc_domain, u32 priority)
{
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
struct media *m_ptr;
struct bearer_name b_name;
char addr_string[16];
@@ -496,9 +493,9 @@ int tipc_enable_bearer(const char *name, u32 bcast_scope, u32 priority)
warn("Bearer <%s> rejected, illegal name\n", name);
return -EINVAL;
}
- if (!tipc_addr_domain_valid(bcast_scope) ||
- !tipc_in_scope(bcast_scope, tipc_own_addr)) {
- warn("Bearer <%s> rejected, illegal broadcast scope\n", name);
+ if (!tipc_addr_domain_valid(disc_domain) ||
+ !tipc_in_scope(disc_domain, tipc_own_addr)) {
+ warn("Bearer <%s> rejected, illegal discovery domain\n", name);
return -EINVAL;
}
if ((priority < TIPC_MIN_LINK_PRI ||
@@ -528,7 +525,7 @@ restart:
bearer_id = i;
continue;
}
- if (!strcmp(name, tipc_bearers[i].publ.name)) {
+ if (!strcmp(name, tipc_bearers[i].name)) {
warn("Bearer <%s> rejected, already enabled\n", name);
goto failed;
}
@@ -551,8 +548,8 @@ restart:
}
b_ptr = &tipc_bearers[bearer_id];
- strcpy(b_ptr->publ.name, name);
- res = m_ptr->enable_bearer(&b_ptr->publ);
+ strcpy(b_ptr->name, name);
+ res = m_ptr->enable_bearer(b_ptr);
if (res) {
warn("Bearer <%s> rejected, enable failure (%d)\n", name, -res);
goto failed;
@@ -562,18 +559,15 @@ restart:
b_ptr->media = m_ptr;
b_ptr->net_plane = bearer_id + 'A';
b_ptr->active = 1;
- b_ptr->detect_scope = bcast_scope;
b_ptr->priority = priority;
INIT_LIST_HEAD(&b_ptr->cong_links);
INIT_LIST_HEAD(&b_ptr->links);
- if (m_ptr->bcast) {
- b_ptr->link_req = tipc_disc_init_link_req(b_ptr, &m_ptr->bcast_addr,
- bcast_scope, 2);
- }
- spin_lock_init(&b_ptr->publ.lock);
+ b_ptr->link_req = tipc_disc_init_link_req(b_ptr, &m_ptr->bcast_addr,
+ disc_domain);
+ spin_lock_init(&b_ptr->lock);
write_unlock_bh(&tipc_net_lock);
info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
- name, tipc_addr_string_fill(addr_string, bcast_scope), priority);
+ name, tipc_addr_string_fill(addr_string, disc_domain), priority);
return 0;
failed:
write_unlock_bh(&tipc_net_lock);
@@ -587,7 +581,7 @@ failed:
int tipc_block_bearer(const char *name)
{
- struct bearer *b_ptr = NULL;
+ struct tipc_bearer *b_ptr = NULL;
struct link *l_ptr;
struct link *temp_l_ptr;
@@ -600,8 +594,8 @@ int tipc_block_bearer(const char *name)
}
info("Blocking bearer <%s>\n", name);
- spin_lock_bh(&b_ptr->publ.lock);
- b_ptr->publ.blocked = 1;
+ spin_lock_bh(&b_ptr->lock);
+ b_ptr->blocked = 1;
list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) {
struct tipc_node *n_ptr = l_ptr->owner;
@@ -609,7 +603,7 @@ int tipc_block_bearer(const char *name)
tipc_link_reset(l_ptr);
spin_unlock_bh(&n_ptr->lock);
}
- spin_unlock_bh(&b_ptr->publ.lock);
+ spin_unlock_bh(&b_ptr->lock);
read_unlock_bh(&tipc_net_lock);
return 0;
}
@@ -620,27 +614,27 @@ int tipc_block_bearer(const char *name)
* Note: This routine assumes caller holds tipc_net_lock.
*/
-static void bearer_disable(struct bearer *b_ptr)
+static void bearer_disable(struct tipc_bearer *b_ptr)
{
struct link *l_ptr;
struct link *temp_l_ptr;
- info("Disabling bearer <%s>\n", b_ptr->publ.name);
+ info("Disabling bearer <%s>\n", b_ptr->name);
tipc_disc_stop_link_req(b_ptr->link_req);
- spin_lock_bh(&b_ptr->publ.lock);
+ spin_lock_bh(&b_ptr->lock);
b_ptr->link_req = NULL;
- b_ptr->publ.blocked = 1;
- b_ptr->media->disable_bearer(&b_ptr->publ);
+ b_ptr->blocked = 1;
+ b_ptr->media->disable_bearer(b_ptr);
list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) {
tipc_link_delete(l_ptr);
}
- spin_unlock_bh(&b_ptr->publ.lock);
- memset(b_ptr, 0, sizeof(struct bearer));
+ spin_unlock_bh(&b_ptr->lock);
+ memset(b_ptr, 0, sizeof(struct tipc_bearer));
}
int tipc_disable_bearer(const char *name)
{
- struct bearer *b_ptr;
+ struct tipc_bearer *b_ptr;
int res;
write_lock_bh(&tipc_net_lock);
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 85f451d5aac..31d6172b20f 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -2,7 +2,7 @@
* net/tipc/bearer.h: Include file for TIPC bearer code
*
* Copyright (c) 1996-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * Copyright (c) 2005, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -61,26 +61,7 @@ struct tipc_media_addr {
} dev_addr;
};
-/**
- * struct tipc_bearer - TIPC bearer info available to media code
- * @usr_handle: pointer to additional media-specific information about bearer
- * @mtu: max packet size bearer can support
- * @blocked: non-zero if bearer is blocked
- * @lock: spinlock for controlling access to bearer
- * @addr: media-specific address associated with bearer
- * @name: bearer name (format = media:interface)
- *
- * Note: TIPC initializes "name" and "lock" fields; media code is responsible
- * for initialization all other fields when a bearer is enabled.
- */
-struct tipc_bearer {
- void *usr_handle;
- u32 mtu;
- int blocked;
- spinlock_t lock;
- struct tipc_media_addr addr;
- char name[TIPC_MAX_BEARER_NAME];
-};
+struct tipc_bearer;
/**
* struct media - TIPC media information available to internal users
@@ -89,7 +70,6 @@ struct tipc_bearer {
* @disable_bearer: routine which disables a bearer
* @addr2str: routine which converts bearer's address to string form
* @bcast_addr: media address used in broadcasting
- * @bcast: non-zero if media supports broadcasting [currently mandatory]
* @priority: default link (and bearer) priority
* @tolerance: default time (in ms) before declaring link failure
* @window: default window (in packets) before declaring link congestion
@@ -106,7 +86,6 @@ struct media {
char *(*addr2str)(struct tipc_media_addr *a,
char *str_buf, int str_size);
struct tipc_media_addr bcast_addr;
- int bcast;
u32 priority;
u32 tolerance;
u32 window;
@@ -115,11 +94,15 @@ struct media {
};
/**
- * struct bearer - TIPC bearer information available to internal users
- * @publ: bearer information available to privileged users
+ * struct tipc_bearer - TIPC bearer structure
+ * @usr_handle: pointer to additional media-specific information about bearer
+ * @mtu: max packet size bearer can support
+ * @blocked: non-zero if bearer is blocked
+ * @lock: spinlock for controlling access to bearer
+ * @addr: media-specific address associated with bearer
+ * @name: bearer name (format = media:interface)
* @media: ptr to media structure associated with bearer
* @priority: default link priority for bearer
- * @detect_scope: network address mask used during automatic link creation
* @identity: array index of this bearer within TIPC bearer array
* @link_req: ptr to (optional) structure making periodic link setup requests
* @links: list of non-congested links associated with bearer
@@ -128,13 +111,20 @@ struct media {
* @active: non-zero if bearer structure is represents a bearer
* @net_plane: network plane ('A' through 'H') currently associated with bearer
* @nodes: indicates which nodes in cluster can be reached through bearer
+ *
+ * Note: media-specific code is responsible for initialization of the fields
+ * indicated below when a bearer is enabled; TIPC's generic bearer code takes
+ * care of initializing all other fields.
*/
-
-struct bearer {
- struct tipc_bearer publ;
+struct tipc_bearer {
+ void *usr_handle; /* initalized by media */
+ u32 mtu; /* initalized by media */
+ int blocked; /* initalized by media */
+ struct tipc_media_addr addr; /* initalized by media */
+ char name[TIPC_MAX_BEARER_NAME];
+ spinlock_t lock;
struct media *media;
u32 priority;
- u32 detect_scope;
u32 identity;
struct link_req *link_req;
struct list_head links;
@@ -152,7 +142,7 @@ struct bearer_name {
struct link;
-extern struct bearer tipc_bearers[];
+extern struct tipc_bearer tipc_bearers[];
/*
* TIPC routines available to supported media types
@@ -173,7 +163,7 @@ void tipc_recv_msg(struct sk_buff *buf, struct tipc_bearer *tb_ptr);
int tipc_block_bearer(const char *name);
void tipc_continue(struct tipc_bearer *tb_ptr);
-int tipc_enable_bearer(const char *bearer_name, u32 bcast_scope, u32 priority);
+int tipc_enable_bearer(const char *bearer_name, u32 disc_domain, u32 priority);
int tipc_disable_bearer(const char *name);
/*
@@ -186,14 +176,14 @@ void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a);
struct sk_buff *tipc_media_get_names(void);
struct sk_buff *tipc_bearer_get_names(void);
-void tipc_bearer_add_dest(struct bearer *b_ptr, u32 dest);
-void tipc_bearer_remove_dest(struct bearer *b_ptr, u32 dest);
-void tipc_bearer_schedule(struct bearer *b_ptr, struct link *l_ptr);
-struct bearer *tipc_bearer_find_interface(const char *if_name);
-int tipc_bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr);
-int tipc_bearer_congested(struct bearer *b_ptr, struct link *l_ptr);
+void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest);
+void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest);
+void tipc_bearer_schedule(struct tipc_bearer *b_ptr, struct link *l_ptr);
+struct tipc_bearer *tipc_bearer_find_interface(const char *if_name);
+int tipc_bearer_resolve_congestion(struct tipc_bearer *b_ptr, struct link *l_ptr);
+int tipc_bearer_congested(struct tipc_bearer *b_ptr, struct link *l_ptr);
void tipc_bearer_stop(void);
-void tipc_bearer_lock_push(struct bearer *b_ptr);
+void tipc_bearer_lock_push(struct tipc_bearer *b_ptr);
/**
@@ -214,10 +204,11 @@ void tipc_bearer_lock_push(struct bearer *b_ptr);
* and let TIPC's link code deal with the undelivered message.
*/
-static inline int tipc_bearer_send(struct bearer *b_ptr, struct sk_buff *buf,
+static inline int tipc_bearer_send(struct tipc_bearer *b_ptr,
+ struct sk_buff *buf,
struct tipc_media_addr *dest)
{
- return !b_ptr->media->send_msg(buf, &b_ptr->publ, dest);
+ return !b_ptr->media->send_msg(buf, b_ptr, dest);
}
#endif /* _TIPC_BEARER_H */
diff --git a/net/tipc/config.c b/net/tipc/config.c
index e16750dcf3c..b25a396b7e1 100644
--- a/net/tipc/config.c
+++ b/net/tipc/config.c
@@ -2,7 +2,7 @@
* net/tipc/config.c: TIPC configuration management code
*
* Copyright (c) 2002-2006, Ericsson AB
- * Copyright (c) 2004-2007, Wind River Systems
+ * Copyright (c) 2004-2007, 2010-2011, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -148,7 +148,7 @@ static struct sk_buff *cfg_enable_bearer(void)
args = (struct tipc_bearer_config *)TLV_DATA(req_tlv_area);
if (tipc_enable_bearer(args->name,
- ntohl(args->detect_scope),
+ ntohl(args->disc_domain),
ntohl(args->priority)))
return tipc_cfg_reply_error_string("unable to enable bearer");
@@ -260,25 +260,6 @@ static struct sk_buff *cfg_set_max_ports(void)
return tipc_cfg_reply_none();
}
-static struct sk_buff *cfg_set_max_nodes(void)
-{
- u32 value;
-
- if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
- return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
- value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
- if (value == tipc_max_nodes)
- return tipc_cfg_reply_none();
- if (value != delimit(value, 8, 2047))
- return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
- " (max nodes must be 8-2047)");
- if (tipc_mode == TIPC_NET_MODE)
- return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
- " (cannot change max nodes once TIPC has joined a network)");
- tipc_max_nodes = value;
- return tipc_cfg_reply_none();
-}
-
static struct sk_buff *cfg_set_netid(void)
{
u32 value;
@@ -397,9 +378,6 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_SET_MAX_SUBSCR:
rep_tlv_buf = cfg_set_max_subscriptions();
break;
- case TIPC_CMD_SET_MAX_NODES:
- rep_tlv_buf = cfg_set_max_nodes();
- break;
case TIPC_CMD_SET_NETID:
rep_tlv_buf = cfg_set_netid();
break;
@@ -415,9 +393,6 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_GET_MAX_SUBSCR:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_subscriptions);
break;
- case TIPC_CMD_GET_MAX_NODES:
- rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_nodes);
- break;
case TIPC_CMD_GET_NETID:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id);
break;
@@ -431,6 +406,8 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
case TIPC_CMD_GET_MAX_SLAVES:
case TIPC_CMD_SET_MAX_CLUSTERS:
case TIPC_CMD_GET_MAX_CLUSTERS:
+ case TIPC_CMD_SET_MAX_NODES:
+ case TIPC_CMD_GET_MAX_NODES:
rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
" (obsolete command)");
break;
diff --git a/net/tipc/core.c b/net/tipc/core.c
in