rxrpc: Split service connection code out into its own file

Split the service-specific connection code out into into its own file.  The
client-specific code has already been split out.  This will leave just the
common code in the original file.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 0 insertions, 132 deletions

diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index ab5c8c2960e4..8379e3748d13 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -61,138 +61,6 @@ struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp)
 }
 
 /*
- * get a record of an incoming connection
- */
-struct rxrpc_connection *rxrpc_incoming_connection(struct rxrpc_local *local,
-						   struct rxrpc_peer *peer,
-						   struct sk_buff *skb)
-{
-	struct rxrpc_connection *conn, *candidate = NULL;
-	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
-	struct rb_node *p, **pp;
-	const char *new = "old";
-	u32 epoch, cid;
-
-	_enter("");
-
-	ASSERT(sp->hdr.flags & RXRPC_CLIENT_INITIATED);
-
-	epoch = sp->hdr.epoch;
-	cid = sp->hdr.cid & RXRPC_CIDMASK;
-
-	/* search the connection list first */
-	read_lock_bh(&peer->conn_lock);
-
-	p = peer->service_conns.rb_node;
-	while (p) {
-		conn = rb_entry(p, struct rxrpc_connection, service_node);
-
-		_debug("maybe %x", conn->proto.cid);
-
-		if (epoch < conn->proto.epoch)
-			p = p->rb_left;
-		else if (epoch > conn->proto.epoch)
-			p = p->rb_right;
-		else if (cid < conn->proto.cid)
-			p = p->rb_left;
-		else if (cid > conn->proto.cid)
-			p = p->rb_right;
-		else
-			goto found_extant_connection;
-	}
-	read_unlock_bh(&peer->conn_lock);
-
-	/* not yet present - create a candidate for a new record and then
-	 * redo the search */
-	candidate = rxrpc_alloc_connection(GFP_NOIO);
-	if (!candidate) {
-		_leave(" = -ENOMEM");
-		return ERR_PTR(-ENOMEM);
-	}
-
-	candidate->proto.local		= local;
-	candidate->proto.epoch		= sp->hdr.epoch;
-	candidate->proto.cid		= sp->hdr.cid & RXRPC_CIDMASK;
-	candidate->proto.in_clientflag	= RXRPC_CLIENT_INITIATED;
-	candidate->params.local		= local;
-	candidate->params.peer		= peer;
-	candidate->params.service_id	= sp->hdr.serviceId;
-	candidate->security_ix		= sp->hdr.securityIndex;
-	candidate->out_clientflag	= 0;
-	candidate->state		= RXRPC_CONN_SERVICE;
-	if (candidate->params.service_id)
-		candidate->state	= RXRPC_CONN_SERVICE_UNSECURED;
-
-	write_lock_bh(&peer->conn_lock);
-
-	pp = &peer->service_conns.rb_node;
-	p = NULL;
-	while (*pp) {
-		p = *pp;
-		conn = rb_entry(p, struct rxrpc_connection, service_node);
-
-		if (epoch < conn->proto.epoch)
-			pp = &(*pp)->rb_left;
-		else if (epoch > conn->proto.epoch)
-			pp = &(*pp)->rb_right;
-		else if (cid < conn->proto.cid)
-			pp = &(*pp)->rb_left;
-		else if (cid > conn->proto.cid)
-			pp = &(*pp)->rb_right;
-		else
-			goto found_extant_second;
-	}
-
-	/* we can now add the new candidate to the list */
-	conn = candidate;
-	candidate = NULL;
-	rb_link_node(&conn->service_node, p, pp);
-	rb_insert_color(&conn->service_node, &peer->service_conns);
-	rxrpc_get_peer(peer);
-	rxrpc_get_local(local);
-
-	write_unlock_bh(&peer->conn_lock);
-
-	write_lock(&rxrpc_connection_lock);
-	list_add_tail(&conn->link, &rxrpc_connections);
-	write_unlock(&rxrpc_connection_lock);
-
-	new = "new";
-
-success:
-	_net("CONNECTION %s %d {%x}", new, conn->debug_id, conn->proto.cid);
-
-	_leave(" = %p {u=%d}", conn, atomic_read(&conn->usage));
-	return conn;
-
-	/* we found the connection in the list immediately */
-found_extant_connection:
-	if (sp->hdr.securityIndex != conn->security_ix) {
-		read_unlock_bh(&peer->conn_lock);
-		goto security_mismatch;
-	}
-	rxrpc_get_connection(conn);
-	read_unlock_bh(&peer->conn_lock);
-	goto success;
-
-	/* we found the connection on the second time through the list */
-found_extant_second:
-	if (sp->hdr.securityIndex != conn->security_ix) {
-		write_unlock_bh(&peer->conn_lock);
-		goto security_mismatch;
-	}
-	rxrpc_get_connection(conn);
-	write_unlock_bh(&peer->conn_lock);
-	kfree(candidate);
-	goto success;
-
-security_mismatch:
-	kfree(candidate);
-	_leave(" = -EKEYREJECTED");
-	return ERR_PTR(-EKEYREJECTED);
-}
-
-/*
  * find a connection based on transport and RxRPC connection ID for an incoming
  * packet
  */