summaryrefslogtreecommitdiff
path: root/net/rxrpc/af_rxrpc.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/rxrpc/af_rxrpc.c')
-rw-r--r--net/rxrpc/af_rxrpc.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index e07c91acd904..32d544995dda 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -231,6 +231,8 @@ static int rxrpc_listen(struct socket *sock, int backlog)
* @srx: The address of the peer to contact
* @key: The security context to use (defaults to socket setting)
* @user_call_ID: The ID to use
+ * @gfp: The allocation constraints
+ * @notify_rx: Where to send notifications instead of socket queue
*
* Allow a kernel service to begin a call on the nominated socket. This just
* sets up all the internal tracking structures and allocates connection and
@@ -243,7 +245,8 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
struct sockaddr_rxrpc *srx,
struct key *key,
unsigned long user_call_ID,
- gfp_t gfp)
+ gfp_t gfp,
+ rxrpc_notify_rx_t notify_rx)
{
struct rxrpc_conn_parameters cp;
struct rxrpc_call *call;
@@ -270,6 +273,8 @@ struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock,
cp.exclusive = false;
cp.service_id = srx->srx_service;
call = rxrpc_new_client_call(rx, &cp, srx, user_call_ID, gfp);
+ if (!IS_ERR(call))
+ call->notify_rx = notify_rx;
release_sock(&rx->sk);
_leave(" = %p", call);
@@ -289,31 +294,27 @@ void rxrpc_kernel_end_call(struct socket *sock, struct rxrpc_call *call)
{
_enter("%d{%d}", call->debug_id, atomic_read(&call->usage));
rxrpc_remove_user_ID(rxrpc_sk(sock->sk), call);
+ rxrpc_purge_queue(&call->knlrecv_queue);
rxrpc_put_call(call);
}
EXPORT_SYMBOL(rxrpc_kernel_end_call);
/**
- * rxrpc_kernel_intercept_rx_messages - Intercept received RxRPC messages
+ * rxrpc_kernel_new_call_notification - Get notifications of new calls
* @sock: The socket to intercept received messages on
- * @interceptor: The function to pass the messages to
+ * @notify_new_call: Function to be called when new calls appear
*
- * Allow a kernel service to intercept messages heading for the Rx queue on an
- * RxRPC socket. They get passed to the specified function instead.
- * @interceptor should free the socket buffers it is given. @interceptor is
- * called with the socket receive queue spinlock held and softirqs disabled -
- * this ensures that the messages will be delivered in the right order.
+ * Allow a kernel service to be given notifications about new calls.
*/
-void rxrpc_kernel_intercept_rx_messages(struct socket *sock,
- rxrpc_interceptor_t interceptor)
+void rxrpc_kernel_new_call_notification(
+ struct socket *sock,
+ rxrpc_notify_new_call_t notify_new_call)
{
struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
- _enter("");
- rx->interceptor = interceptor;
+ rx->notify_new_call = notify_new_call;
}
-
-EXPORT_SYMBOL(rxrpc_kernel_intercept_rx_messages);
+EXPORT_SYMBOL(rxrpc_kernel_new_call_notification);
/*
* connect an RxRPC socket