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author | Takashi Iwai <tiwai@suse.de> | 2023-03-03 16:20:56 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2023-03-03 16:20:56 +0300 |
commit | 26ed1d29fc44f3f2f0c396c1392abefac5f0454e (patch) | |
tree | ffba9ebddf759f04cbeca8adace5cc8093c58c2d /net/rxrpc/call_state.c | |
parent | e97fc9cffbb9f372b53b42c36cd7b20aab44a554 (diff) | |
parent | 7933b90b42896f5b6596e6a829bb31c5121fc2a9 (diff) | |
download | linux-26ed1d29fc44f3f2f0c396c1392abefac5f0454e.tar.xz |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'net/rxrpc/call_state.c')
-rw-r--r-- | net/rxrpc/call_state.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/net/rxrpc/call_state.c b/net/rxrpc/call_state.c new file mode 100644 index 000000000000..6afb54373ebb --- /dev/null +++ b/net/rxrpc/call_state.c @@ -0,0 +1,69 @@ +// 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)); +} |