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