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// SPDX-License-Identifier: GPL-2.0-or-later
/* Call state changing functions.
*
* Copyright (C) 2022 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
#include "ar-internal.h"
/*
* Transition a call to the complete state.
*/
bool rxrpc_set_call_completion(struct rxrpc_call *call,
enum rxrpc_call_completion compl,
u32 abort_code,
int error)
{
if (__rxrpc_call_state(call) == RXRPC_CALL_COMPLETE)
return false;
call->abort_code = abort_code;
call->error = error;
call->completion = compl;
/* Allow reader of completion state to operate locklessly */
rxrpc_set_call_state(call, RXRPC_CALL_COMPLETE);
trace_rxrpc_call_complete(call);
wake_up(&call->waitq);
rxrpc_notify_socket(call);
return true;
}
/*
* Record that a call successfully completed.
*/
bool rxrpc_call_completed(struct rxrpc_call *call)
{
return rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
}
/*
* Record that a call is locally aborted.
*/
bool rxrpc_abort_call(struct rxrpc_call *call, rxrpc_seq_t seq,
u32 abort_code, int error, enum rxrpc_abort_reason why)
{
trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
abort_code, error);
if (!rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
abort_code, error))
return false;
if (test_bit(RXRPC_CALL_EXPOSED, &call->flags))
rxrpc_send_abort_packet(call);
return true;
}
/*
* Record that a call errored out before even getting off the ground, thereby
* setting the state to allow it to be destroyed.
*/
void rxrpc_prefail_call(struct rxrpc_call *call, enum rxrpc_call_completion compl,
int error)
{
call->abort_code = RX_CALL_DEAD;
call->error = error;
call->completion = compl;
call->_state = RXRPC_CALL_COMPLETE;
trace_rxrpc_call_complete(call);
WARN_ON_ONCE(__test_and_set_bit(RXRPC_CALL_RELEASED, &call->flags));
}
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