diff options
Diffstat (limited to 'net/rxrpc')
-rw-r--r-- | net/rxrpc/ar-internal.h | 119 | ||||
-rw-r--r-- | net/rxrpc/call_event.c | 30 | ||||
-rw-r--r-- | net/rxrpc/conn_event.c | 7 | ||||
-rw-r--r-- | net/rxrpc/input.c | 7 | ||||
-rw-r--r-- | net/rxrpc/peer_event.c | 7 | ||||
-rw-r--r-- | net/rxrpc/proc.c | 6 | ||||
-rw-r--r-- | net/rxrpc/recvmsg.c | 79 | ||||
-rw-r--r-- | net/rxrpc/sendmsg.c | 4 |
8 files changed, 128 insertions, 131 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 9fe264bec70c..9a2139ebd67d 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -810,100 +810,6 @@ static inline bool rxrpc_is_client_call(const struct rxrpc_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 */ extern unsigned int rxrpc_max_client_connections; @@ -1101,9 +1007,34 @@ 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 */ void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace, diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 2a65ac41055f..aa1c8eee6557 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -248,7 +248,18 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) if (anno_type != RXRPC_TX_ANNO_RETRANS) continue; + /* We need to reset the retransmission state, but we need to do + * so before we drop the lock as a new ACK/NAK may come in and + * confuse things + */ + annotation &= ~RXRPC_TX_ANNO_MASK; + annotation |= RXRPC_TX_ANNO_RESENT; + call->rxtx_annotations[ix] = annotation; + skb = call->rxtx_buffer[ix]; + if (!skb) + continue; + rxrpc_get_skb(skb, rxrpc_skb_got); spin_unlock_bh(&call->lock); @@ -262,24 +273,6 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) rxrpc_free_skb(skb, rxrpc_skb_freed); spin_lock_bh(&call->lock); - - /* We need to clear the retransmit state, but there are two - * things we need to be aware of: A new ACK/NAK might have been - * received and the packet might have been hard-ACK'd (in which - * case it will no longer be in the buffer). - */ - if (after(seq, call->tx_hard_ack)) { - annotation = call->rxtx_annotations[ix]; - anno_type = annotation & RXRPC_TX_ANNO_MASK; - if (anno_type == RXRPC_TX_ANNO_RETRANS || - anno_type == RXRPC_TX_ANNO_NAK) { - annotation &= ~RXRPC_TX_ANNO_MASK; - annotation |= RXRPC_TX_ANNO_UNACK; - } - annotation |= RXRPC_TX_ANNO_RESENT; - call->rxtx_annotations[ix] = annotation; - } - if (after(call->tx_hard_ack, seq)) seq = call->tx_hard_ack; } @@ -320,7 +313,6 @@ recheck_state: if (call->state == RXRPC_CALL_COMPLETE) { del_timer_sync(&call->timer); - rxrpc_notify_socket(call); goto out_put; } diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 06fcff2ebbba..447f55ca6886 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -173,10 +173,9 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn, else trace_rxrpc_rx_abort(call, serial, conn->abort_code); - if (rxrpc_set_call_completion(call, compl, - conn->abort_code, - conn->error)) - rxrpc_notify_socket(call); + rxrpc_set_call_completion(call, compl, + conn->abort_code, + conn->error); } } diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 3be4177baf70..299ac98e9754 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -275,7 +275,6 @@ static bool rxrpc_end_tx_phase(struct rxrpc_call *call, bool reply_begun, case RXRPC_CALL_SERVER_AWAIT_ACK: __rxrpc_call_completed(call); - rxrpc_notify_socket(call); state = call->state; break; @@ -1013,9 +1012,8 @@ static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb) _proto("Rx ABORT %%%u { %x }", sp->hdr.serial, abort_code); - if (rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED, - abort_code, -ECONNABORTED)) - rxrpc_notify_socket(call); + rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED, + abort_code, -ECONNABORTED); } /* @@ -1102,7 +1100,6 @@ static void rxrpc_input_implicit_end_call(struct rxrpc_sock *rx, spin_lock(&rx->incoming_lock); __rxrpc_disconnect_call(conn, call); spin_unlock(&rx->incoming_lock); - rxrpc_notify_socket(call); } /* diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index b1449d971883..a852f46d5234 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -271,6 +271,9 @@ static void rxrpc_store_error(struct rxrpc_peer *peer, break; case SO_EE_ORIGIN_ICMP6: + if (err == EACCES) + err = EHOSTUNREACH; + /* Fall through */ default: _proto("Rx Received error report { orig=%u }", ee->ee_origin); break; @@ -289,9 +292,7 @@ static void rxrpc_distribute_error(struct rxrpc_peer *peer, int error, hlist_for_each_entry_rcu(call, &peer->error_targets, error_link) { rxrpc_see_call(call); - if (call->state < RXRPC_CALL_COMPLETE && - rxrpc_set_call_completion(call, compl, 0, -error)) - rxrpc_notify_socket(call); + rxrpc_set_call_completion(call, compl, 0, -error); } } diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index 8b179e3c802a..543afd9bd664 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -68,7 +68,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) "Proto Local " " Remote " " SvID ConnID CallID End Use State Abort " - " UserID TxSeq TW RxSeq RW RxSerial RxTimo\n"); + " DebugId TxSeq TW RxSeq RW RxSerial RxTimo\n"); return 0; } @@ -100,7 +100,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) rx_hard_ack = READ_ONCE(call->rx_hard_ack); seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u" - " %-8.8s %08x %lx %08x %02x %08x %02x %08x %06lx\n", + " %-8.8s %08x %08x %08x %02x %08x %02x %08x %06lx\n", lbuff, rbuff, call->service_id, @@ -110,7 +110,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) atomic_read(&call->usage), rxrpc_call_states[call->state], call->abort_code, - call->user_call_ID, + call->debug_id, tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack, rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack, call->rx_serial, diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 8578c39ec839..2989742a4aa1 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -59,6 +59,85 @@ void rxrpc_notify_socket(struct rxrpc_call *call) } /* + * 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); + rxrpc_notify_socket(call); + 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 = false; + + if (call->state < RXRPC_CALL_COMPLETE) { + 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 = false; + + if (call->state < RXRPC_CALL_COMPLETE) { + 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. */ static int rxrpc_recvmsg_term(struct rxrpc_call *call, struct msghdr *msg) diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 5e9c43d4a314..1304b8608f56 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -261,10 +261,8 @@ 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, + rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, 0, ret); - rxrpc_notify_socket(call); goto out; } _debug("need instant resend %d", ret); |