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rxrpc: Move the call completion handling out of line

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Move the handling of call completion out of line so that the next patch can
add more code in that area.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
This commit is contained in:
David Howells 2020-06-03 22:21:16 +01:00
parent bdc48fa11e
commit 3067bf8c59
3 changed files with 103 additions and 98 deletions
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119
net/rxrpc/ar-internal.h
View File

@ -809,100 +809,6 @@ static inline bool rxrpc_is_client_call(const struct rxrpc_call *call)
return !rxrpc_is_service_call(call);
}
/*
* Transition a call to the complete state.
*/
static inline bool __rxrpc_set_call_completion(struct rxrpc_call *call,
enum rxrpc_call_completion compl,
u32 abort_code,
int error)
{
if (call->state < RXRPC_CALL_COMPLETE) {
call->abort_code = abort_code;
call->error = error;
call->completion = compl,
call->state = RXRPC_CALL_COMPLETE;
trace_rxrpc_call_complete(call);
wake_up(&call->waitq);
return true;
}
return false;
}
static inline bool rxrpc_set_call_completion(struct rxrpc_call *call,
enum rxrpc_call_completion compl,
u32 abort_code,
int error)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_set_call_completion(call, compl, abort_code, error);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* Record that a call successfully completed.
*/
static inline bool __rxrpc_call_completed(struct rxrpc_call *call)
{
return __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
}
static inline bool rxrpc_call_completed(struct rxrpc_call *call)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_call_completed(call);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* Record that a call is locally aborted.
*/
static inline bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call,
rxrpc_seq_t seq,
u32 abort_code, int error)
{
trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
abort_code, error);
return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
abort_code, error);
}
static inline bool rxrpc_abort_call(const char *why, struct rxrpc_call *call,
rxrpc_seq_t seq, u32 abort_code, int error)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_abort_call(why, call, seq, abort_code, error);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* Abort a call due to a protocol error.
*/
static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call,
struct sk_buff *skb,
const char *eproto_why,
const char *why,
u32 abort_code)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
trace_rxrpc_rx_eproto(call, sp->hdr.serial, eproto_why);
return rxrpc_abort_call(why, call, sp->hdr.seq, abort_code, -EPROTO);
}
#define rxrpc_abort_eproto(call, skb, eproto_why, abort_why, abort_code) \
__rxrpc_abort_eproto((call), (skb), tracepoint_string(eproto_why), \
(abort_why), (abort_code))
/*
* conn_client.c
*/
@ -1101,8 +1007,33 @@ extern const struct seq_operations rxrpc_peer_seq_ops;
* recvmsg.c
*/
void rxrpc_notify_socket(struct rxrpc_call *);
bool __rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int);
bool rxrpc_set_call_completion(struct rxrpc_call *, enum rxrpc_call_completion, u32, int);
bool __rxrpc_call_completed(struct rxrpc_call *);
bool rxrpc_call_completed(struct rxrpc_call *);
bool __rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int);
bool rxrpc_abort_call(const char *, struct rxrpc_call *, rxrpc_seq_t, u32, int);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
* Abort a call due to a protocol error.
*/
static inline bool __rxrpc_abort_eproto(struct rxrpc_call *call,
struct sk_buff *skb,
const char *eproto_why,
const char *why,
u32 abort_code)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
trace_rxrpc_rx_eproto(call, sp->hdr.serial, eproto_why);
return rxrpc_abort_call(why, call, sp->hdr.seq, abort_code, -EPROTO);
}
#define rxrpc_abort_eproto(call, skb, eproto_why, abort_why, abort_code) \
__rxrpc_abort_eproto((call), (skb), tracepoint_string(eproto_why), \
(abort_why), (abort_code))
/*
* rtt.c
*/

74
net/rxrpc/recvmsg.c
View File

@ -58,6 +58,80 @@ void rxrpc_notify_socket(struct rxrpc_call *call)
_leave("");
}
/*
* 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 (call->state < RXRPC_CALL_COMPLETE) {
call->abort_code = abort_code;
call->error = error;
call->completion = compl,
call->state = RXRPC_CALL_COMPLETE;
trace_rxrpc_call_complete(call);
wake_up(&call->waitq);
return true;
}
return false;
}
bool rxrpc_set_call_completion(struct rxrpc_call *call,
enum rxrpc_call_completion compl,
u32 abort_code,
int error)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_set_call_completion(call, compl, abort_code, error);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* 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);
}
bool rxrpc_call_completed(struct rxrpc_call *call)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_call_completed(call);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* Record that a call is locally aborted.
*/
bool __rxrpc_abort_call(const char *why, struct rxrpc_call *call,
rxrpc_seq_t seq, u32 abort_code, int error)
{
trace_rxrpc_abort(call->debug_id, why, call->cid, call->call_id, seq,
abort_code, error);
return __rxrpc_set_call_completion(call, RXRPC_CALL_LOCALLY_ABORTED,
abort_code, error);
}
bool rxrpc_abort_call(const char *why, struct rxrpc_call *call,
rxrpc_seq_t seq, u32 abort_code, int error)
{
bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_abort_call(why, call, seq, abort_code, error);
write_unlock_bh(&call->state_lock);
return ret;
}
/*
* Pass a call terminating message to userspace.
*/

8
net/rxrpc/sendmsg.c
View File

@ -261,10 +261,10 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
case -ENETUNREACH:
case -EHOSTUNREACH:
case -ECONNREFUSED:
rxrpc_set_call_completion(call,
RXRPC_CALL_LOCAL_ERROR,
0, ret);
rxrpc_notify_socket(call);
if (rxrpc_set_call_completion(call,
RXRPC_CALL_LOCAL_ERROR,
0, ret))
rxrpc_notify_socket(call);
goto out;
}
_debug("need instant resend %d", ret);