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tipc: convert legacy nl node dump to nl compat

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Convert TIPC_CMD_GET_NODES to compat dumpit and remove global node
counter solely used by the legacy API.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe
2015-02-09 09:50:13 +01:00
committed by David S. Miller
parent 5bfc335a63
commit 4b28cb581d
4 changed files with 22 additions and 60 deletions
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54
net/tipc/node.c
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@@ -120,7 +120,6 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr)
list_add_tail_rcu(&n_ptr->list, &temp_node->list);
n_ptr->action_flags = TIPC_WAIT_PEER_LINKS_DOWN;
n_ptr->signature = INVALID_NODE_SIG;
tn->num_nodes++;
exit:
spin_unlock_bh(&tn->node_list_lock);
return n_ptr;
@@ -131,8 +130,6 @@ static void tipc_node_delete(struct tipc_net *tn, struct tipc_node *n_ptr)
list_del_rcu(&n_ptr->list);
hlist_del_rcu(&n_ptr->hash);
kfree_rcu(n_ptr, rcu);
tn->num_nodes--;
}
void tipc_node_stop(struct net *net)
@@ -407,57 +404,6 @@ static void node_lost_contact(struct tipc_node *n_ptr)
}
}
struct sk_buff *tipc_node_get_nodes(struct net *net, const void *req_tlv_area,
int req_tlv_space)
{
struct tipc_net *tn = net_generic(net, tipc_net_id);
u32 domain;
struct sk_buff *buf;
struct tipc_node *n_ptr;
struct tipc_node_info node_info;
u32 payload_size;
if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_NET_ADDR))
return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
domain = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
if (!tipc_addr_domain_valid(domain))
return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
" (network address)");
spin_lock_bh(&tn->node_list_lock);
if (!tn->num_nodes) {
spin_unlock_bh(&tn->node_list_lock);
return tipc_cfg_reply_none();
}
/* For now, get space for all other nodes */
payload_size = TLV_SPACE(sizeof(node_info)) * tn->num_nodes;
if (payload_size > 32768u) {
spin_unlock_bh(&tn->node_list_lock);
return tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
" (too many nodes)");
}
spin_unlock_bh(&tn->node_list_lock);
buf = tipc_cfg_reply_alloc(payload_size);
if (!buf)
return NULL;
/* Add TLVs for all nodes in scope */
rcu_read_lock();
list_for_each_entry_rcu(n_ptr, &tn->node_list, list) {
if (!tipc_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, sizeof(node_info));
}
rcu_read_unlock();
return buf;
}
/**
* tipc_node_get_linkname - get the name of a link
*