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-rw-r--r--net/rxrpc/ar-internal.h116
-rw-r--r--net/rxrpc/call_accept.c19
-rw-r--r--net/rxrpc/call_event.c42
-rw-r--r--net/rxrpc/call_object.c43
-rw-r--r--net/rxrpc/conn_client.c2
-rw-r--r--net/rxrpc/conn_event.c50
-rw-r--r--net/rxrpc/conn_object.c4
-rw-r--r--net/rxrpc/input.c68
-rw-r--r--net/rxrpc/output.c27
-rw-r--r--net/rxrpc/peer_event.c24
-rw-r--r--net/rxrpc/proc.c3
-rw-r--r--net/rxrpc/recvmsg.c12
12 files changed, 226 insertions, 184 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index c761124961cc..ce6afd931e91 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -289,8 +289,6 @@ enum rxrpc_conn_proto_state {
RXRPC_CONN_SERVICE, /* Service secured connection */
RXRPC_CONN_REMOTELY_ABORTED, /* Conn aborted by peer */
RXRPC_CONN_LOCALLY_ABORTED, /* Conn aborted locally */
- RXRPC_CONN_NETWORK_ERROR, /* Conn terminated by network error */
- RXRPC_CONN_LOCAL_ERROR, /* Conn terminated by local error */
RXRPC_CONN__NR_STATES
};
@@ -344,7 +342,6 @@ struct rxrpc_connection {
enum rxrpc_conn_proto_state state : 8; /* current state of connection */
u32 local_abort; /* local abort code */
u32 remote_abort; /* remote abort code */
- int error; /* local error incurred */
int debug_id; /* debug ID for printks */
atomic_t serial; /* packet serial number counter */
unsigned int hi_serial; /* highest serial number received */
@@ -411,13 +408,22 @@ enum rxrpc_call_state {
RXRPC_CALL_SERVER_ACK_REQUEST, /* - server pending ACK of request */
RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */
RXRPC_CALL_SERVER_AWAIT_ACK, /* - server awaiting final ACK */
- RXRPC_CALL_COMPLETE, /* - call completed */
+ RXRPC_CALL_COMPLETE, /* - call complete */
+ RXRPC_CALL_DEAD, /* - call is dead */
+ NR__RXRPC_CALL_STATES
+};
+
+/*
+ * Call completion condition (state == RXRPC_CALL_COMPLETE).
+ */
+enum rxrpc_call_completion {
+ RXRPC_CALL_SUCCEEDED, /* - Normal termination */
RXRPC_CALL_SERVER_BUSY, /* - call rejected by busy server */
RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
+ RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
- RXRPC_CALL_DEAD, /* - call is dead */
- NR__RXRPC_CALL_STATES
+ NR__RXRPC_CALL_COMPLETIONS
};
/*
@@ -451,14 +457,13 @@ struct rxrpc_call {
unsigned long events;
spinlock_t lock;
rwlock_t state_lock; /* lock for state transition */
+ u32 abort_code; /* Local/remote abort code */
+ int error; /* Local error incurred */
+ enum rxrpc_call_state state : 8; /* current state of call */
+ enum rxrpc_call_completion completion : 8; /* Call completion condition */
atomic_t usage;
atomic_t skb_count; /* Outstanding packets on this call */
atomic_t sequence; /* Tx data packet sequence counter */
- u32 local_abort; /* local abort code */
- u32 remote_abort; /* remote abort code */
- int error_report; /* Network error (ICMP/local transport) */
- int error; /* Local error incurred */
- enum rxrpc_call_state state : 8; /* current state of call */
u16 service_id; /* service ID */
u32 call_id; /* call ID on connection */
u32 cid; /* connection ID plus channel index */
@@ -493,20 +498,6 @@ struct rxrpc_call {
unsigned long ackr_window[RXRPC_ACKR_WINDOW_ASZ + 1];
};
-/*
- * locally abort an RxRPC call
- */
-static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
-{
- write_lock_bh(&call->state_lock);
- if (call->state < RXRPC_CALL_COMPLETE) {
- call->local_abort = abort_code;
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- set_bit(RXRPC_CALL_EV_ABORT, &call->events);
- }
- write_unlock_bh(&call->state_lock);
-}
-
#include <trace/events/rxrpc.h>
/*
@@ -534,6 +525,8 @@ void rxrpc_process_call(struct work_struct *);
/*
* call_object.c
*/
+extern const char *const rxrpc_call_states[];
+extern const char *const rxrpc_call_completions[];
extern unsigned int rxrpc_max_call_lifetime;
extern unsigned int rxrpc_dead_call_expiry;
extern struct kmem_cache *rxrpc_call_jar;
@@ -564,6 +557,78 @@ 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;
+ 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)
+{
+ int 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 void __rxrpc_call_completed(struct rxrpc_call *call)
+{
+ __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
+}
+
+static inline void rxrpc_call_completed(struct rxrpc_call *call)
+{
+ write_lock_bh(&call->state_lock);
+ __rxrpc_call_completed(call);
+ write_unlock_bh(&call->state_lock);
+}
+
+/*
+ * Record that a call is locally aborted.
+ */
+static inline bool __rxrpc_abort_call(struct rxrpc_call *call,
+ u32 abort_code, int error)
+{
+ if (__rxrpc_set_call_completion(call,
+ RXRPC_CALL_LOCALLY_ABORTED,
+ abort_code, error)) {
+ set_bit(RXRPC_CALL_EV_ABORT, &call->events);
+ return true;
+ }
+ return false;
+}
+
+static inline bool rxrpc_abort_call(struct rxrpc_call *call,
+ u32 abort_code, int error)
+{
+ bool ret;
+
+ write_lock_bh(&call->state_lock);
+ ret = __rxrpc_abort_call(call, abort_code, error);
+ write_unlock_bh(&call->state_lock);
+ return ret;
+}
+
+/*
* conn_client.c
*/
extern unsigned int rxrpc_max_client_connections;
@@ -778,7 +843,6 @@ static inline void rxrpc_put_peer(struct rxrpc_peer *peer)
/*
* proc.c
*/
-extern const char *const rxrpc_call_states[];
extern const struct file_operations rxrpc_call_seq_fops;
extern const struct file_operations rxrpc_connection_seq_fops;
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 669ac79d3b44..ef9ef0d6c917 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -329,12 +329,8 @@ struct rxrpc_call *rxrpc_accept_call(struct rxrpc_sock *rx,
case RXRPC_CALL_SERVER_ACCEPTING:
call->state = RXRPC_CALL_SERVER_RECV_REQUEST;
break;
- case RXRPC_CALL_REMOTELY_ABORTED:
- case RXRPC_CALL_LOCALLY_ABORTED:
- ret = -ECONNABORTED;
- goto out_release;
- case RXRPC_CALL_NETWORK_ERROR:
- ret = call->conn->error;
+ case RXRPC_CALL_COMPLETE:
+ ret = call->error;
goto out_release;
case RXRPC_CALL_DEAD:
ret = -ETIME;
@@ -403,17 +399,14 @@ int rxrpc_reject_call(struct rxrpc_sock *rx)
write_lock_bh(&call->state_lock);
switch (call->state) {
case RXRPC_CALL_SERVER_ACCEPTING:
- call->state = RXRPC_CALL_SERVER_BUSY;
+ __rxrpc_set_call_completion(call, RXRPC_CALL_SERVER_BUSY,
+ 0, ECONNABORTED);
if (test_and_set_bit(RXRPC_CALL_EV_REJECT_BUSY, &call->events))
rxrpc_queue_call(call);
ret = 0;
goto out_release;
- case RXRPC_CALL_REMOTELY_ABORTED:
- case RXRPC_CALL_LOCALLY_ABORTED:
- ret = -ECONNABORTED;
- goto out_release;
- case RXRPC_CALL_NETWORK_ERROR:
- ret = call->conn->error;
+ case RXRPC_CALL_COMPLETE:
+ ret = call->error;
goto out_release;
case RXRPC_CALL_DEAD:
ret = -ETIME;
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 5292bcfd8816..94c7751fd99a 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -95,7 +95,7 @@ cancel_timer:
_debug("cancel timer %%%u", serial);
try_to_del_timer_sync(&call->ack_timer);
read_lock_bh(&call->state_lock);
- if (call->state <= RXRPC_CALL_COMPLETE &&
+ if (call->state < RXRPC_CALL_COMPLETE &&
!test_and_set_bit(RXRPC_CALL_EV_ACK, &call->events))
rxrpc_queue_call(call);
read_unlock_bh(&call->state_lock);
@@ -123,7 +123,7 @@ static void rxrpc_set_resend(struct rxrpc_call *call, u8 resend,
unsigned long resend_at)
{
read_lock_bh(&call->state_lock);
- if (call->state >= RXRPC_CALL_COMPLETE)
+ if (call->state == RXRPC_CALL_COMPLETE)
resend = 0;
if (resend & 1) {
@@ -230,7 +230,7 @@ static void rxrpc_resend_timer(struct rxrpc_call *call)
_enter("%d,%d,%d",
call->acks_tail, call->acks_unacked, call->acks_head);
- if (call->state >= RXRPC_CALL_COMPLETE)
+ if (call->state == RXRPC_CALL_COMPLETE)
return;
resend = 0;
@@ -711,7 +711,7 @@ all_acked:
break;
case RXRPC_CALL_SERVER_AWAIT_ACK:
_debug("srv complete");
- call->state = RXRPC_CALL_COMPLETE;
+ __rxrpc_call_completed(call);
post_ACK = true;
break;
case RXRPC_CALL_CLIENT_SEND_REQUEST:
@@ -875,24 +875,22 @@ skip_msg_init:
clear_bit(RXRPC_CALL_EV_REJECT_BUSY, &call->events);
clear_bit(RXRPC_CALL_EV_ABORT, &call->events);
- error = call->error_report;
- if (error < RXRPC_LOCAL_ERROR_OFFSET) {
+ if (call->completion == RXRPC_CALL_NETWORK_ERROR) {
mark = RXRPC_SKB_MARK_NET_ERROR;
_debug("post net error %d", error);
} else {
mark = RXRPC_SKB_MARK_LOCAL_ERROR;
- error -= RXRPC_LOCAL_ERROR_OFFSET;
_debug("post net local error %d", error);
}
- if (rxrpc_post_message(call, mark, error, true) < 0)
+ if (rxrpc_post_message(call, mark, call->error, true) < 0)
goto no_mem;
clear_bit(RXRPC_CALL_EV_RCVD_ERROR, &call->events);
goto kill_ACKs;
}
if (test_bit(RXRPC_CALL_EV_CONN_ABORT, &call->events)) {
- ASSERTCMP(call->state, >, RXRPC_CALL_COMPLETE);
+ ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
clear_bit(RXRPC_CALL_EV_REJECT_BUSY, &call->events);
clear_bit(RXRPC_CALL_EV_ABORT, &call->events);
@@ -900,7 +898,7 @@ skip_msg_init:
_debug("post conn abort");
if (rxrpc_post_message(call, RXRPC_SKB_MARK_LOCAL_ERROR,
- call->conn->error, true) < 0)
+ call->error, true) < 0)
goto no_mem;
clear_bit(RXRPC_CALL_EV_CONN_ABORT, &call->events);
goto kill_ACKs;
@@ -913,13 +911,13 @@ skip_msg_init:
}
if (test_bit(RXRPC_CALL_EV_ABORT, &call->events)) {
- ASSERTCMP(call->state, >, RXRPC_CALL_COMPLETE);
+ ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
if (rxrpc_post_message(call, RXRPC_SKB_MARK_LOCAL_ERROR,
- ECONNABORTED, true) < 0)
+ call->error, true) < 0)
goto no_mem;
whdr.type = RXRPC_PACKET_TYPE_ABORT;
- data = htonl(call->local_abort);
+ data = htonl(call->abort_code);
iov[1].iov_base = &data;
iov[1].iov_len = sizeof(data);
genbit = RXRPC_CALL_EV_ABORT;
@@ -979,13 +977,7 @@ skip_msg_init:
}
if (test_bit(RXRPC_CALL_EV_LIFE_TIMER, &call->events)) {
- write_lock_bh(&call->state_lock);
- if (call->state <= RXRPC_CALL_COMPLETE) {
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = RX_CALL_TIMEOUT;
- set_bit(RXRPC_CALL_EV_ABORT, &call->events);
- }
- write_unlock_bh(&call->state_lock);
+ rxrpc_abort_call(call, RX_CALL_TIMEOUT, ETIME);
_debug("post timeout");
if (rxrpc_post_message(call, RXRPC_SKB_MARK_LOCAL_ERROR,
@@ -998,7 +990,8 @@ skip_msg_init:
/* deal with assorted inbound messages */
if (!skb_queue_empty(&call->rx_queue)) {
- switch (rxrpc_process_rx_queue(call, &abort_code)) {
+ ret = rxrpc_process_rx_queue(call, &abort_code);
+ switch (ret) {
case 0:
case -EAGAIN:
break;
@@ -1007,7 +1000,7 @@ skip_msg_init:
case -EKEYEXPIRED:
case -EKEYREJECTED:
case -EPROTO:
- rxrpc_abort_call(call, abort_code);
+ rxrpc_abort_call(call, abort_code, -ret);
goto kill_ACKs;
}
}
@@ -1232,10 +1225,7 @@ send_message_2:
goto kill_ACKs;
case RXRPC_CALL_EV_ACK_FINAL:
- write_lock_bh(&call->state_lock);
- if (call->state == RXRPC_CALL_CLIENT_FINAL_ACK)
- call->state = RXRPC_CALL_COMPLETE;
- write_unlock_bh(&call->state_lock);
+ rxrpc_call_completed(call);
goto kill_ACKs;
default:
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index e7cbcc4a87cf..852c30dc7b75 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -30,7 +30,7 @@ unsigned int rxrpc_max_call_lifetime = 60 * HZ;
unsigned int rxrpc_dead_call_expiry = 2 * HZ;
const char *const rxrpc_call_states[NR__RXRPC_CALL_STATES] = {
- [RXRPC_CALL_UNINITIALISED] = "Uninit",
+ [RXRPC_CALL_UNINITIALISED] = "Uninit ",
[RXRPC_CALL_CLIENT_AWAIT_CONN] = "ClWtConn",
[RXRPC_CALL_CLIENT_SEND_REQUEST] = "ClSndReq",
[RXRPC_CALL_CLIENT_AWAIT_REPLY] = "ClAwtRpl",
@@ -43,11 +43,16 @@ const char *const rxrpc_call_states[NR__RXRPC_CALL_STATES] = {
[RXRPC_CALL_SERVER_SEND_REPLY] = "SvSndRpl",
[RXRPC_CALL_SERVER_AWAIT_ACK] = "SvAwtACK",
[RXRPC_CALL_COMPLETE] = "Complete",
+ [RXRPC_CALL_DEAD] = "Dead ",
+};
+
+const char *const rxrpc_call_completions[NR__RXRPC_CALL_COMPLETIONS] = {
+ [RXRPC_CALL_SUCCEEDED] = "Complete",
[RXRPC_CALL_SERVER_BUSY] = "SvBusy ",
[RXRPC_CALL_REMOTELY_ABORTED] = "RmtAbort",
[RXRPC_CALL_LOCALLY_ABORTED] = "LocAbort",
+ [RXRPC_CALL_LOCAL_ERROR] = "LocError",
[RXRPC_CALL_NETWORK_ERROR] = "NetError",
- [RXRPC_CALL_DEAD] = "Dead ",
};
struct kmem_cache *rxrpc_call_jar;
@@ -358,7 +363,7 @@ struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx,
_debug("CALL: %u { %s }",
call->debug_id, rxrpc_call_states[call->state]);
- if (call->state >= RXRPC_CALL_COMPLETE) {
+ if (call->state == RXRPC_CALL_COMPLETE) {
__rxrpc_disconnect_call(conn, call);
} else {
spin_unlock(&conn->channel_lock);
@@ -472,8 +477,7 @@ void rxrpc_release_call(struct rxrpc_call *call)
if (call->state < RXRPC_CALL_COMPLETE &&
call->state != RXRPC_CALL_CLIENT_FINAL_ACK) {
_debug("+++ ABORTING STATE %d +++\n", call->state);
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = RX_CALL_DEAD;
+ __rxrpc_abort_call(call, RX_CALL_DEAD, ECONNRESET);
}
write_unlock_bh(&call->state_lock);
@@ -538,20 +542,13 @@ static void rxrpc_mark_call_released(struct rxrpc_call *call)
write_lock(&call->state_lock);
if (call->state < RXRPC_CALL_DEAD) {
- sched = false;
- if (call->state < RXRPC_CALL_COMPLETE) {
- _debug("abort call %p", call);
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = RX_CALL_DEAD;
- if (!test_and_set_bit(RXRPC_CALL_EV_ABORT, &call->events))
- sched = true;
- }
+ sched = __rxrpc_abort_call(call, RX_CALL_DEAD, ECONNRESET);
if (!test_and_set_bit(RXRPC_CALL_EV_RELEASE, &call->events))
sched = true;
- if (sched)
- rxrpc_queue_call(call);
}
write_unlock(&call->state_lock);
+ if (sched)
+ rxrpc_queue_call(call);
}
/*
@@ -749,16 +746,13 @@ static void rxrpc_call_life_expired(unsigned long _call)
{
struct rxrpc_call *call = (struct rxrpc_call *) _call;
+ _enter("{%d}", call->debug_id);
+
if (call->state >= RXRPC_CALL_COMPLETE)
return;
- _enter("{%d}", call->debug_id);
- read_lock_bh(&call->state_lock);
- if (call->state < RXRPC_CALL_COMPLETE) {
- set_bit(RXRPC_CALL_EV_LIFE_TIMER, &call->events);
- rxrpc_queue_call(call);
- }
- read_unlock_bh(&call->state_lock);
+ set_bit(RXRPC_CALL_EV_LIFE_TIMER, &call->events);
+ rxrpc_queue_call(call);
}
/*
@@ -791,9 +785,6 @@ static void rxrpc_ack_time_expired(unsigned long _call)
if (call->state >= RXRPC_CALL_COMPLETE)
return;
- read_lock_bh(&call->state_lock);
- if (call->state < RXRPC_CALL_COMPLETE &&
- !test_and_set_bit(RXRPC_CALL_EV_ACK, &call->events))
+ if (!test_and_set_bit(RXRPC_CALL_EV_ACK, &call->events))
rxrpc_queue_call(call);
- read_unlock_bh(&call->state_lock);
}
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index 349402b08e5a..44850a2d90b5 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -741,7 +741,7 @@ void rxrpc_disconnect_client_call(struct rxrpc_call *call)
* terminal retransmission without requiring access to the call.
*/
if (test_bit(RXRPC_CALL_EXPOSED, &call->flags)) {
- _debug("exposed %u,%u", call->call_id, call->local_abort);
+ _debug("exposed %u,%u", call->call_id, call->abort_code);
__rxrpc_disconnect_call(conn, call);
}
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index bb81801fb805..bcea99c73b40 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -27,8 +27,8 @@
/*
* Retransmit terminal ACK or ABORT of the previous call.
*/
-static void rxrpc_conn_retransmit(struct rxrpc_connection *conn,
- struct sk_buff *skb)
+static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
+ struct sk_buff *skb)
{
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
struct rxrpc_channel *chan;
@@ -135,14 +135,21 @@ static void rxrpc_conn_retransmit(struct rxrpc_connection *conn,
/*
* pass a connection-level abort onto all calls on that connection
*/
-static void rxrpc_abort_calls(struct rxrpc_connection *conn, int state,
- u32 abort_code)
+static void rxrpc_abort_calls(struct rxrpc_connection *conn,
+ enum rxrpc_call_completion compl,
+ u32 abort_code, int error)
{
struct rxrpc_call *call;
- int i;
+ bool queue;
+ int i, bit;
_enter("{%d},%x", conn->debug_id, abort_code);
+ if (compl == RXRPC_CALL_LOCALLY_ABORTED)
+ bit = RXRPC_CALL_EV_CONN_ABORT;
+ else
+ bit = RXRPC_CALL_EV_RCVD_ABORT;
+
spin_lock(&conn->channel_lock);
for (i = 0; i < RXRPC_MAXCALLS; i++) {
@@ -151,20 +158,14 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn, int state,
lockdep_is_held(&conn->channel_lock));
if (call) {
write_lock_bh(&call->state_lock);
- if (call->state <= RXRPC_CALL_COMPLETE) {
- call->state = state;
- if (state == RXRPC_CALL_LOCALLY_ABORTED) {
- call->local_abort = conn->local_abort;
- set_bit(RXRPC_CALL_EV_CONN_ABORT,
- &call->events);
- } else {
- call->remote_abort = conn->remote_abort;
- set_bit(RXRPC_CALL_EV_RCVD_ABORT,
- &call->events);
- }
- rxrpc_queue_call(call);
+ if (rxrpc_set_call_completion(call, compl, abort_code,
+ error)) {
+ set_bit(bit, &call->events);
+ queue = true;
}
write_unlock_bh(&call->state_lock);
+ if (queue)
+ rxrpc_queue_call(call);
}
}
@@ -190,17 +191,16 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
/* generate a connection-level abort */
spin_lock_bh(&conn->state_lock);
- if (conn->state < RXRPC_CONN_REMOTELY_ABORTED) {
- conn->state = RXRPC_CONN_LOCALLY_ABORTED;
- conn->error = error;
- spin_unlock_bh(&conn->state_lock);
- } else {
+ if (conn->state >= RXRPC_CONN_REMOTELY_ABORTED) {
spin_unlock_bh(&conn->state_lock);
_leave(" = 0 [already dead]");
return 0;
}
- rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, abort_code);
+ conn->state = RXRPC_CONN_LOCALLY_ABORTED;
+ spin_unlock_bh(&conn->state_lock);
+
+ rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, abort_code, error);
msg.msg_name = &conn->params.peer->srx.transport;
msg.msg_namelen = conn->params.peer->srx.transport_len;
@@ -280,7 +280,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_DATA:
case RXRPC_PACKET_TYPE_ACK:
- rxrpc_conn_retransmit(conn, skb);
+ rxrpc_conn_retransmit_call(conn, skb);
rxrpc_free_skb(skb);
return 0;
@@ -291,7 +291,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
_proto("Rx ABORT %%%u { ac=%d }", sp->hdr.serial, abort_code);
conn->state = RXRPC_CONN_REMOTELY_ABORTED;
- rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED,
+ rxrpc_abort_calls(conn, 0, RXRPC_CALL_REMOTELY_ABORTED,
abort_code);
return -ECONNABORTED;
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 5b45b6c367e7..9c6685b97e70 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -165,8 +165,8 @@ void __rxrpc_disconnect_call(struct rxrpc_connection *conn,
* through the channel, whilst disposing of the actual call record.
*/
chan->last_service_id = call->service_id;
- if (call->local_abort) {
- chan->last_abort = call->local_abort;
+ if (call->abort_code) {
+ chan->last_abort = call->abort_code;
chan->last_type = RXRPC_PACKET_TYPE_ABORT;
} else {
chan->last_seq = call->rx_data_eaten;
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 5e683dd21ab9..af49c2992c4a 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -341,14 +341,13 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
abort_code = ntohl(wtmp);
_proto("Rx ABORT %%%u { %x }", sp->hdr.serial, abort_code);
- write_lock_bh(&call->state_lock);
- if (call->state < RXRPC_CALL_COMPLETE) {
- call->state = RXRPC_CALL_REMOTELY_ABORTED;
- call->remote_abort = abort_code;
+ if (__rxrpc_set_call_completion(call,
+ RXRPC_CALL_REMOTELY_ABORTED,
+ abort_code, ECONNABORTED)) {
set_bit(RXRPC_CALL_EV_RCVD_ABORT, &call->events);
rxrpc_queue_call(call);
}
- goto free_packet_unlock;
+ goto free_packet;
case RXRPC_PACKET_TYPE_BUSY:
_proto("Rx BUSY %%%u", sp->hdr.serial);
@@ -359,7 +358,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb)
write_lock_bh(&call->state_lock);
switch (call->state) {
case RXRPC_CALL_CLIENT_SEND_REQUEST:
- call->state = RXRPC_CALL_SERVER_BUSY;
+ __rxrpc_set_call_completion(call,
+ RXRPC_CALL_SERVER_BUSY,
+ 0, EBUSY);
set_bit(RXRPC_CALL_EV_RCVD_BUSY, &call->events);
rxrpc_queue_call(call);
case RXRPC_CALL_SERVER_BUSY:
@@ -415,12 +416,8 @@ protocol_error:
_debug("protocol error");
write_lock_bh(&call->state_lock);
protocol_error_locked:
- if (call->state <= RXRPC_CALL_COMPLETE) {
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = RX_PROTOCOL_ERROR;
- set_bit(RXRPC_CALL_EV_ABORT, &call->events);
+ if (__rxrpc_abort_call(call, RX_PROTOCOL_ERROR, EPROTO))
rxrpc_queue_call(call);
- }
free_packet_unlock:
write_unlock_bh(&call->state_lock);
free_packet:
@@ -486,14 +483,8 @@ protocol_error:
_debug("protocol error");
rxrpc_free_skb(part);
rxrpc_free_skb(jumbo);
- write_lock_bh(&call->state_lock);
- if (call->state <= RXRPC_CALL_COMPLETE) {
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = RX_PROTOCOL_ERROR;
- set_bit(RXRPC_CALL_EV_ABORT, &call->events);
+ if (rxrpc_abort_call(call, RX_PROTOCOL_ERROR, EPROTO))
rxrpc_queue_call(call);
- }
- write_unlock_bh(&call->state_lock);
_leave("");
}
@@ -514,26 +505,28 @@ static void rxrpc_post_packet_to_call(struct rxrpc_call *call,
read_lock(&call->state_lock);
switch (call->state) {
- case RXRPC_CALL_LOCALLY_ABORTED:
- if (!test_and_set_bit(RXRPC_CALL_EV_ABORT, &call->events)) {
- rxrpc_queue_call(call);
- goto free_unlock;
- }
- case RXRPC_CALL_REMOTELY_ABORTED:
- case RXRPC_CALL_NETWORK_ERROR:
case RXRPC_CALL_DEAD:
goto dead_call;
+
case RXRPC_CALL_COMPLETE:
- case RXRPC_CALL_CLIENT_FINAL_ACK:
- /* complete server call */
- if (rxrpc_conn_is_service(call->conn))
+ switch (call->completion) {
+ case RXRPC_CALL_LOCALLY_ABORTED:
+ if (!test_and_set_bit(RXRPC_CALL_EV_ABORT,
+ &call->events)) {
+ rxrpc_queue_call(call);
+ goto free_unlock;
+ }
+ default:
goto dead_call;
- /* resend last packet of a completed call */
- _debug("final ack again");
- rxrpc_get_call(call);
- set_bit(RXRPC_CALL_EV_ACK_FINAL, &call->events);
- rxrpc_queue_call(call);
- goto free_unlock;
+ case RXRPC_CALL_SUCCEEDED:
+ if (rxrpc_conn_is_service(call->conn))
+ goto dead_call;
+ goto resend_final_ack;
+ }
+
+ case RXRPC_CALL_CLIENT_FINAL_ACK:
+ goto resend_final_ack;
+
default:
break;
}
@@ -550,6 +543,13 @@ static void rxrpc_post_packet_to_call(struct rxrpc_call *call,
rxrpc_put_call(call);
goto done;
+resend_final_ack:
+ _debug("final ack again");
+ rxrpc_get_call(call);
+ set_bit(RXRPC_CALL_EV_ACK_FINAL, &call->events);
+ rxrpc_queue_call(call);
+ goto free_unlock;
+
dead_call:
if (sp->hdr.type != RXRPC_PACKET_TYPE_ABORT) {
skb->priority = RX_CALL_DEAD;
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 8a9917cba6fe..036e1112b0c5 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -115,12 +115,12 @@ static int rxrpc_sendmsg_cmsg(struct msghdr *msg,
*/
static void rxrpc_send_abort(struct rxrpc_call *call, u32 abort_code)
{
+ if (call->state >= RXRPC_CALL_COMPLETE)
+ return;
+
write_lock_bh(&call->state_lock);
- if (call->state <= RXRPC_CALL_COMPLETE) {
- call->state = RXRPC_CALL_LOCALLY_ABORTED;
- call->local_abort = abort_code;
- set_bit(RXRPC_CALL_EV_ABORT, &call->events);
+ if (__rxrpc_abort_call(call, abort_code, ECONNABORTED)) {
del_timer_sync(&call->resend_timer);
del_timer_sync(&call->ack_timer);
clear_bit(RXRPC_CALL_EV_RESEND_TIMER, &call->events);
@@ -212,7 +212,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
if (call->state >= RXRPC_CALL_COMPLETE) {
/* it's too late for this call */
- ret = -ECONNRESET;
+ ret = -ESHUTDOWN;
} else if (cmd == RXRPC_CMD_SEND_ABORT) {
rxrpc_send_abort(call, abort_code);
ret = 0;
@@ -295,8 +295,7 @@ void rxrpc_kernel_abort_call(struct rxrpc_call *call, u32 abort_code)
_debug("CALL %d USR %lx ST %d on CONN %p",
call->debug_id, call->user_call_ID, call->state, call->conn);
- if (call->state < RXRPC_CALL_COMPLETE)
- rxrpc_send_abort(call, abort_code);
+ rxrpc_send_abort(call, abort_code);
release_sock(&call->socket->sk);
_leave("");
@@ -640,8 +639,8 @@ static int rxrpc_send_data(struct rxrpc_sock *rx,
/* check for the far side aborting the call or a network error
* occurring */
- if (call->state > RXRPC_CALL_COMPLETE)
- goto call_aborted;
+ if (call->state == RXRPC_CALL_COMPLETE)
+ goto call_terminated;
/* add the packet to the send queue if it's now full */
if (sp->remain <= 0 ||
@@ -702,15 +701,9 @@ out:
_leave(" = %d", ret);
return ret;
-call_aborted:
+call_terminated:
rxrpc_free_skb(skb);
- if (call->state == RXRPC_CALL_NETWORK_ERROR)
- ret = call->error_report < RXRPC_LOCAL_ERROR_OFFSET ?
- call->error_report :
- call->error_report - RXRPC_LOCAL_ERROR_OFFSET;
- else
- ret = -ECONNABORTED;
- _leave(" = %d", ret);
+ _leave(" = %d", -call->error);
return ret;
maybe_error:
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 8940674b5e08..865078d76ad3 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -248,13 +248,21 @@ void rxrpc_peer_error_distributor(struct work_struct *work)
struct rxrpc_peer *peer =
container_of(work, struct rxrpc_peer, error_distributor);
struct rxrpc_call *call;
- int error_report;
+ enum rxrpc_call_completion compl;
+ bool queue;
+ int error;
_enter("");
- error_report = READ_ONCE(peer->error_report);
+ error = READ_ONCE(peer->error_report);
+ if (error < RXRPC_LOCAL_ERROR_OFFSET) {
+ compl = RXRPC_CALL_NETWORK_ERROR;
+ } else {
+ compl = RXRPC_CALL_LOCAL_ERROR;
+ error -= RXRPC_LOCAL_ERROR_OFFSET;
+ }
- _debug("ISSUE ERROR %d", error_report);
+ _debug("ISSUE ERROR %s %d", rxrpc_call_completions[compl], error);
spin_lock_bh(&peer->lock);
@@ -263,15 +271,15 @@ void rxrpc_peer_error_distributor(struct work_struct *work)
struct rxrpc_call, error_link);
hlist_del_init(&call->error_link);
+ queue = false;
write_lock(&call->state_lock);
- if (call->state != RXRPC_CALL_COMPLETE &&
- call->state < RXRPC_CALL_NETWORK_ERROR) {
- call->error_report = error_report;
- call->state = RXRPC_CALL_NETWORK_ERROR;
+ if (__rxrpc_set_call_completion(call, compl, 0, error)) {
set_bit(RXRPC_CALL_EV_RCVD_ERROR, &call->events);
- rxrpc_queue_call(call);
+ queue = true;
}
write_unlock(&call->state_lock);
+ if (queue)
+ rxrpc_queue_call(call);
}
spin_unlock_bh(&peer->lock);
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 060fb4892c39..82c64055449d 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -22,7 +22,6 @@ static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
[RXRPC_CONN_SERVICE] = "SvSecure",
[RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort",
[RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort",
- [RXRPC_CONN_NETWORK_ERROR] = "NetError",
};
/*
@@ -94,7 +93,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
rxrpc_is_service_call(call) ? "Svc" : "Clt",
atomic_read(&call->usage),
rxrpc_call_states[call->state],
- call->remote_abort ?: call->local_abort,
+ call->abort_code,
call->user_call_ID);
return 0;
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index b964c2d49a88..96d98a3a7087 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -294,12 +294,17 @@ receive_non_data_message:
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_BUSY, 0, &abort_code);
break;
case RXRPC_SKB_MARK_REMOTE_ABORT:
- abort_code = call->remote_abort;
+ abort_code = call->abort_code;
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_ABORT, 4, &abort_code);
break;
case RXRPC_SKB_MARK_LOCAL_ABORT:
- abort_code = call->local_abort;
+ abort_code = call->abort_code;
ret = put_cmsg(msg, SOL_RXRPC, RXRPC_ABORT, 4, &abort_code);
+ if (call->error) {
+ abort_code = call->error;
+ ret = put_cmsg(msg, SOL_RXRPC, RXRPC_LOCAL_ERROR, 4,
+ &abort_code);
+ }
break;
case RXRPC_SKB_MARK_NET_ERROR:
_debug("RECV NET ERROR %d", sp->error);
@@ -392,9 +397,8 @@ u32 rxrpc_kernel_get_abort_code(struct sk_buff *skb)
switch (skb->mark) {
case RXRPC_SKB_MARK_REMOTE_ABORT:
- return sp->call->remote_abort;
case RXRPC_SKB_MARK_LOCAL_ABORT:
- return sp->call->local_abort;
+ return sp->call->abort_code;
default:
BUG();
}