[TIPC_NLA_MEDIA_PROP] = { .type = NLA_NESTED }
};
-static void bearer_disable(struct net *net, struct tipc_bearer *b_ptr);
+static void bearer_disable(struct net *net, struct tipc_bearer *b);
/**
* tipc_media_find - locates specified media object by name
void tipc_media_addr_printf(char *buf, int len, struct tipc_media_addr *a)
{
char addr_str[MAX_ADDR_STR];
- struct tipc_media *m_ptr;
+ struct tipc_media *m;
int ret;
- m_ptr = media_find_id(a->media_id);
+ m = media_find_id(a->media_id);
- if (m_ptr && !m_ptr->addr2str(a, addr_str, sizeof(addr_str)))
- ret = scnprintf(buf, len, "%s(%s)", m_ptr->name, addr_str);
+ if (m && !m->addr2str(a, addr_str, sizeof(addr_str)))
+ ret = scnprintf(buf, len, "%s(%s)", m->name, addr_str);
else {
u32 i;
struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
u32 i;
for (i = 0; i < MAX_BEARERS; i++) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (b_ptr && (!strcmp(b_ptr->name, name)))
- return b_ptr;
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (b && (!strcmp(b->name, name)))
+ return b;
}
return NULL;
}
void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
- if (b_ptr)
- tipc_disc_add_dest(b_ptr->link_req);
+ b = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
+ if (b)
+ tipc_disc_add_dest(b->link_req);
rcu_read_unlock();
}
void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
- if (b_ptr)
- tipc_disc_remove_dest(b_ptr->link_req);
+ b = rcu_dereference_rtnl(tn->bearer_list[bearer_id]);
+ if (b)
+ tipc_disc_remove_dest(b->link_req);
rcu_read_unlock();
}
struct nlattr *attr[])
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
- struct tipc_media *m_ptr;
+ struct tipc_bearer *b;
+ struct tipc_media *m;
struct tipc_bearer_names b_names;
char addr_string[16];
u32 bearer_id;
return -EINVAL;
}
- m_ptr = tipc_media_find(b_names.media_name);
- if (!m_ptr) {
+ m = tipc_media_find(b_names.media_name);
+ if (!m) {
pr_warn("Bearer <%s> rejected, media <%s> not registered\n",
name, b_names.media_name);
return -EINVAL;
}
if (priority == TIPC_MEDIA_LINK_PRI)
- priority = m_ptr->priority;
+ priority = m->priority;
restart:
bearer_id = MAX_BEARERS;
with_this_prio = 1;
for (i = MAX_BEARERS; i-- != 0; ) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (!b_ptr) {
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (!b) {
bearer_id = i;
continue;
}
- if (!strcmp(name, b_ptr->name)) {
+ if (!strcmp(name, b->name)) {
pr_warn("Bearer <%s> rejected, already enabled\n",
name);
return -EINVAL;
}
- if ((b_ptr->priority == priority) &&
+ if ((b->priority == priority) &&
(++with_this_prio > 2)) {
if (priority-- == 0) {
pr_warn("Bearer <%s> rejected, duplicate priority\n",
return -EINVAL;
}
- b_ptr = kzalloc(sizeof(*b_ptr), GFP_ATOMIC);
- if (!b_ptr)
+ b = kzalloc(sizeof(*b), GFP_ATOMIC);
+ if (!b)
return -ENOMEM;
- strcpy(b_ptr->name, name);
- b_ptr->media = m_ptr;
- res = m_ptr->enable_media(net, b_ptr, attr);
+ strcpy(b->name, name);
+ b->media = m;
+ res = m->enable_media(net, b, attr);
if (res) {
pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
name, -res);
return -EINVAL;
}
- b_ptr->identity = bearer_id;
- b_ptr->tolerance = m_ptr->tolerance;
- b_ptr->window = m_ptr->window;
- b_ptr->domain = disc_domain;
- b_ptr->net_plane = bearer_id + 'A';
- b_ptr->priority = priority;
+ b->identity = bearer_id;
+ b->tolerance = m->tolerance;
+ b->window = m->window;
+ b->domain = disc_domain;
+ b->net_plane = bearer_id + 'A';
+ b->priority = priority;
- res = tipc_disc_create(net, b_ptr, &b_ptr->bcast_addr);
+ res = tipc_disc_create(net, b, &b->bcast_addr);
if (res) {
- bearer_disable(net, b_ptr);
+ bearer_disable(net, b);
pr_warn("Bearer <%s> rejected, discovery object creation failed\n",
name);
return -EINVAL;
}
- rcu_assign_pointer(tn->bearer_list[bearer_id], b_ptr);
+ rcu_assign_pointer(tn->bearer_list[bearer_id], b);
pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
name,
/**
* tipc_reset_bearer - Reset all links established over this bearer
*/
-static int tipc_reset_bearer(struct net *net, struct tipc_bearer *b_ptr)
+static int tipc_reset_bearer(struct net *net, struct tipc_bearer *b)
{
- pr_info("Resetting bearer <%s>\n", b_ptr->name);
- tipc_node_delete_links(net, b_ptr->identity);
- tipc_disc_reset(net, b_ptr);
+ pr_info("Resetting bearer <%s>\n", b->name);
+ tipc_node_delete_links(net, b->identity);
+ tipc_disc_reset(net, b);
return 0;
}
*
* Note: This routine assumes caller holds RTNL lock.
*/
-static void bearer_disable(struct net *net, struct tipc_bearer *b_ptr)
+static void bearer_disable(struct net *net, struct tipc_bearer *b)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
u32 i;
- pr_info("Disabling bearer <%s>\n", b_ptr->name);
- b_ptr->media->disable_media(b_ptr);
+ pr_info("Disabling bearer <%s>\n", b->name);
+ b->media->disable_media(b);
- tipc_node_delete_links(net, b_ptr->identity);
- RCU_INIT_POINTER(b_ptr->media_ptr, NULL);
- if (b_ptr->link_req)
- tipc_disc_delete(b_ptr->link_req);
+ tipc_node_delete_links(net, b->identity);
+ RCU_INIT_POINTER(b->media_ptr, NULL);
+ if (b->link_req)
+ tipc_disc_delete(b->link_req);
for (i = 0; i < MAX_BEARERS; i++) {
- if (b_ptr == rtnl_dereference(tn->bearer_list[i])) {
+ if (b == rtnl_dereference(tn->bearer_list[i])) {
RCU_INIT_POINTER(tn->bearer_list[i], NULL);
break;
}
}
- kfree_rcu(b_ptr, rcu);
+ kfree_rcu(b, rcu);
}
int tipc_enable_l2_media(struct net *net, struct tipc_bearer *b,
/**
* tipc_l2_send_msg - send a TIPC packet out over an L2 interface
* @buf: the packet to be sent
- * @b_ptr: the bearer through which the packet is to be sent
+ * @b: the bearer through which the packet is to be sent
* @dest: peer destination address
*/
int tipc_l2_send_msg(struct net *net, struct sk_buff *skb,
static int tipc_l2_rcv_msg(struct sk_buff *buf, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
{
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
rcu_read_lock();
- b_ptr = rcu_dereference_rtnl(dev->tipc_ptr);
- if (likely(b_ptr)) {
+ b = rcu_dereference_rtnl(dev->tipc_ptr);
+ if (likely(b)) {
if (likely(buf->pkt_type <= PACKET_BROADCAST)) {
buf->next = NULL;
- tipc_rcv(dev_net(dev), buf, b_ptr);
+ tipc_rcv(dev_net(dev), buf, b);
rcu_read_unlock();
return NET_RX_SUCCESS;
}
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net *net = dev_net(dev);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
- b_ptr = rtnl_dereference(dev->tipc_ptr);
- if (!b_ptr)
+ b = rtnl_dereference(dev->tipc_ptr);
+ if (!b)
return NOTIFY_DONE;
- b_ptr->mtu = dev->mtu;
+ b->mtu = dev->mtu;
switch (evt) {
case NETDEV_CHANGE:
break;
case NETDEV_GOING_DOWN:
case NETDEV_CHANGEMTU:
- tipc_reset_bearer(net, b_ptr);
+ tipc_reset_bearer(net, b);
break;
case NETDEV_CHANGEADDR:
- b_ptr->media->raw2addr(b_ptr, &b_ptr->addr,
+ b->media->raw2addr(b, &b->addr,
(char *)dev->dev_addr);
- tipc_reset_bearer(net, b_ptr);
+ tipc_reset_bearer(net, b);
break;
case NETDEV_UNREGISTER:
case NETDEV_CHANGENAME:
- bearer_disable(dev_net(dev), b_ptr);
+ bearer_disable(dev_net(dev), b);
break;
}
return NOTIFY_OK;
void tipc_bearer_stop(struct net *net)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_bearer *b_ptr;
+ struct tipc_bearer *b;
u32 i;
for (i = 0; i < MAX_BEARERS; i++) {
- b_ptr = rtnl_dereference(tn->bearer_list[i]);
- if (b_ptr) {
- bearer_disable(net, b_ptr);
+ b = rtnl_dereference(tn->bearer_list[i]);
+ if (b) {
+ bearer_disable(net, b);
tn->bearer_list[i] = NULL;
}
}
*/
struct tipc_media {
int (*send_msg)(struct net *net, struct sk_buff *buf,
- struct tipc_bearer *b_ptr,
+ struct tipc_bearer *b,
struct tipc_media_addr *dest);
- int (*enable_media)(struct net *net, struct tipc_bearer *b_ptr,
+ int (*enable_media)(struct net *net, struct tipc_bearer *b,
struct nlattr *attr[]);
- void (*disable_media)(struct tipc_bearer *b_ptr);
+ void (*disable_media)(struct tipc_bearer *b);
int (*addr2str)(struct tipc_media_addr *addr,
char *strbuf,
int bufsz);
* TIPC routines available to supported media types
*/
-void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b_ptr);
+void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b);
/*
* Routines made available to TIPC by supported media types
* tipc_disc_init_msg - initialize a link setup message
* @net: the applicable net namespace
* @type: message type (request or response)
- * @b_ptr: ptr to bearer issuing message
+ * @b: ptr to bearer issuing message
*/
static void tipc_disc_init_msg(struct net *net, struct sk_buff *buf, u32 type,
- struct tipc_bearer *b_ptr)
+ struct tipc_bearer *b)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
struct tipc_msg *msg;
- u32 dest_domain = b_ptr->domain;
+ u32 dest_domain = b->domain;
msg = buf_msg(buf);
tipc_msg_init(tn->own_addr, msg, LINK_CONFIG, type,
msg_set_node_capabilities(msg, TIPC_NODE_CAPABILITIES);
msg_set_dest_domain(msg, dest_domain);
msg_set_bc_netid(msg, tn->net_id);
- b_ptr->media->addr2msg(msg_media_addr(msg), &b_ptr->addr);
+ b->media->addr2msg(msg_media_addr(msg), &b->addr);
}
/**
* disc_dupl_alert - issue node address duplication alert
- * @b_ptr: pointer to bearer detecting duplication
+ * @b: pointer to bearer detecting duplication
* @node_addr: duplicated node address
* @media_addr: media address advertised by duplicated node
*/
-static void disc_dupl_alert(struct tipc_bearer *b_ptr, u32 node_addr,
+static void disc_dupl_alert(struct tipc_bearer *b, u32 node_addr,
struct tipc_media_addr *media_addr)
{
char node_addr_str[16];
tipc_media_addr_printf(media_addr_str, sizeof(media_addr_str),
media_addr);
pr_warn("Duplicate %s using %s seen on <%s>\n", node_addr_str,
- media_addr_str, b_ptr->name);
+ media_addr_str, b->name);
}
/**
/**
* tipc_disc_create - create object to send periodic link setup requests
* @net: the applicable net namespace
- * @b_ptr: ptr to bearer issuing requests
+ * @b: ptr to bearer issuing requests
* @dest: destination address for request messages
* @dest_domain: network domain to which links can be established
*
* Returns 0 if successful, otherwise -errno.
*/
-int tipc_disc_create(struct net *net, struct tipc_bearer *b_ptr,
+int tipc_disc_create(struct net *net, struct tipc_bearer *b,
struct tipc_media_addr *dest)
{
struct tipc_link_req *req;
return -ENOMEM;
}
- tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b_ptr);
+ tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b);
memcpy(&req->dest, dest, sizeof(*dest));
req->net = net;
- req->bearer_id = b_ptr->identity;
- req->domain = b_ptr->domain;
+ req->bearer_id = b->identity;
+ req->domain = b->domain;
req->num_nodes = 0;
req->timer_intv = TIPC_LINK_REQ_INIT;
spin_lock_init(&req->lock);
setup_timer(&req->timer, disc_timeout, (unsigned long)req);
mod_timer(&req->timer, jiffies + req->timer_intv);
- b_ptr->link_req = req;
+ b->link_req = req;
skb = skb_clone(req->buf, GFP_ATOMIC);
if (skb)
tipc_bearer_xmit_skb(net, req->bearer_id, skb, &req->dest);
/**
* tipc_disc_reset - reset object to send periodic link setup requests
* @net: the applicable net namespace
- * @b_ptr: ptr to bearer issuing requests
+ * @b: ptr to bearer issuing requests
* @dest_domain: network domain to which links can be established
*/
-void tipc_disc_reset(struct net *net, struct tipc_bearer *b_ptr)
+void tipc_disc_reset(struct net *net, struct tipc_bearer *b)
{
- struct tipc_link_req *req = b_ptr->link_req;
+ struct tipc_link_req *req = b->link_req;
struct sk_buff *skb;
spin_lock_bh(&req->lock);
- tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b_ptr);
+ tipc_disc_init_msg(net, req->buf, DSC_REQ_MSG, b);
req->net = net;
- req->bearer_id = b_ptr->identity;
- req->domain = b_ptr->domain;
+ req->bearer_id = b->identity;
+ req->domain = b->domain;
req->num_nodes = 0;
req->timer_intv = TIPC_LINK_REQ_INIT;
mod_timer(&req->timer, jiffies + req->timer_intv);
static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
u16 rcvgap, int tolerance, int priority,
struct sk_buff_head *xmitq);
-static void link_print(struct tipc_link *l_ptr, const char *str);
+static void link_print(struct tipc_link *l, const char *str);
static void tipc_link_build_nack_msg(struct tipc_link *l,
struct sk_buff_head *xmitq);
static void tipc_link_build_bc_init_msg(struct tipc_link *l,
/**
* link_reset_stats - reset link statistics
- * @l_ptr: pointer to link
+ * @l: pointer to link
*/
void tipc_link_reset_stats(struct tipc_link *l)
{
bool tipc_link_is_failingover(struct tipc_link *l);
bool tipc_link_is_blocked(struct tipc_link *l);
void tipc_link_set_active(struct tipc_link *l, bool active);
-void tipc_link_reset(struct tipc_link *l_ptr);
+void tipc_link_reset(struct tipc_link *l);
void tipc_link_reset_stats(struct tipc_link *l);
int tipc_link_xmit(struct tipc_link *link, struct sk_buff_head *list,
struct sk_buff_head *xmitq);
struct tipc_node *tipc_node_create(struct net *net, u32 addr, u16 capabilities)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
- struct tipc_node *n_ptr, *temp_node;
+ struct tipc_node *n, *temp_node;
int i;
spin_lock_bh(&tn->node_list_lock);
- n_ptr = tipc_node_find(net, addr);
- if (n_ptr)
+ n = tipc_node_find(net, addr);
+ if (n)
goto exit;
- n_ptr = kzalloc(sizeof(*n_ptr), GFP_ATOMIC);
- if (!n_ptr) {
+ n = kzalloc(sizeof(*n), GFP_ATOMIC);
+ if (!n) {
pr_warn("Node creation failed, no memory\n");
goto exit;
}
- n_ptr->addr = addr;
- n_ptr->net = net;
- n_ptr->capabilities = capabilities;
- kref_init(&n_ptr->kref);
- rwlock_init(&n_ptr->lock);
- INIT_HLIST_NODE(&n_ptr->hash);
- INIT_LIST_HEAD(&n_ptr->list);
- INIT_LIST_HEAD(&n_ptr->publ_list);
- INIT_LIST_HEAD(&n_ptr->conn_sks);
- skb_queue_head_init(&n_ptr->bc_entry.namedq);
- skb_queue_head_init(&n_ptr->bc_entry.inputq1);
- __skb_queue_head_init(&n_ptr->bc_entry.arrvq);
- skb_queue_head_init(&n_ptr->bc_entry.inputq2);
+ n->addr = addr;
+ n->net = net;
+ n->capabilities = capabilities;
+ kref_init(&n->kref);
+ rwlock_init(&n->lock);
+ INIT_HLIST_NODE(&n->hash);
+ INIT_LIST_HEAD(&n->list);
+ INIT_LIST_HEAD(&n->publ_list);
+ INIT_LIST_HEAD(&n->conn_sks);
+ skb_queue_head_init(&n->bc_entry.namedq);
+ skb_queue_head_init(&n->bc_entry.inputq1);
+ __skb_queue_head_init(&n->bc_entry.arrvq);
+ skb_queue_head_init(&n->bc_entry.inputq2);
for (i = 0; i < MAX_BEARERS; i++)
- spin_lock_init(&n_ptr->links[i].lock);
- hlist_add_head_rcu(&n_ptr->hash, &tn->node_htable[tipc_hashfn(addr)]);
+ spin_lock_init(&n->links[i].lock);
+ hlist_add_head_rcu(&n->hash, &tn->node_htable[tipc_hashfn(addr)]);
list_for_each_entry_rcu(temp_node, &tn->node_list, list) {
- if (n_ptr->addr < temp_node->addr)
+ if (n->addr < temp_node->addr)
break;
}
- list_add_tail_rcu(&n_ptr->list, &temp_node->list);
- n_ptr->state = SELF_DOWN_PEER_LEAVING;
- n_ptr->signature = INVALID_NODE_SIG;
- n_ptr->active_links[0] = INVALID_BEARER_ID;
- n_ptr->active_links[1] = INVALID_BEARER_ID;
- if (!tipc_link_bc_create(net, tipc_own_addr(net), n_ptr->addr,
+ list_add_tail_rcu(&n->list, &temp_node->list);
+ n->state = SELF_DOWN_PEER_LEAVING;
+ n->signature = INVALID_NODE_SIG;
+ n->active_links[0] = INVALID_BEARER_ID;
+ n->active_links[1] = INVALID_BEARER_ID;
+ if (!tipc_link_bc_create(net, tipc_own_addr(net), n->addr,
U16_MAX,
tipc_link_window(tipc_bc_sndlink(net)),
- n_ptr->capabilities,
- &n_ptr->bc_entry.inputq1,
- &n_ptr->bc_entry.namedq,
+ n->capabilities,
+ &n->bc_entry.inputq1,
+ &n->bc_entry.namedq,
tipc_bc_sndlink(net),
- &n_ptr->bc_entry.link)) {
+ &n->bc_entry.link)) {
pr_warn("Broadcast rcv link creation failed, no memory\n");
- kfree(n_ptr);
- n_ptr = NULL;
+ kfree(n);
+ n = NULL;
goto exit;
}
- tipc_node_get(n_ptr);
- setup_timer(&n_ptr->timer, tipc_node_timeout, (unsigned long)n_ptr);
- n_ptr->keepalive_intv = U32_MAX;
+ tipc_node_get(n);
+ setup_timer(&n->timer, tipc_node_timeout, (unsigned long)n);
+ n->keepalive_intv = U32_MAX;
exit:
spin_unlock_bh(&tn->node_list_lock);
- return n_ptr;
+ return n;
}
static void tipc_node_calculate_timer(struct tipc_node *n, struct tipc_link *l)
projects / users / hch / configfs.git / commitdiff