[RXRPC_CALL_CLIENT_SEND_REQUEST] = "ClSndReq",
[RXRPC_CALL_CLIENT_AWAIT_REPLY] = "ClAwtRpl",
[RXRPC_CALL_CLIENT_RECV_REPLY] = "ClRcvRpl",
- [RXRPC_CALL_CLIENT_FINAL_ACK] = "ClFnlACK",
[RXRPC_CALL_SERVER_PREALLOC] = "SvPrealc",
[RXRPC_CALL_SERVER_SECURING] = "SvSecure",
[RXRPC_CALL_SERVER_ACCEPTING] = "SvAccept",
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_queued_ref] = "QUR",
[rxrpc_call_seen] = "SEE",
[rxrpc_call_got] = "GOT",
- [rxrpc_call_got_skb] = "Gsk",
[rxrpc_call_got_userid] = "Gus",
[rxrpc_call_put] = "PUT",
- [rxrpc_call_put_skb] = "Psk",
[rxrpc_call_put_userid] = "Pus",
[rxrpc_call_put_noqueue] = "PNQ",
};
LIST_HEAD(rxrpc_calls);
DEFINE_RWLOCK(rxrpc_call_lock);
-static void rxrpc_call_life_expired(unsigned long _call);
-static void rxrpc_ack_time_expired(unsigned long _call);
-static void rxrpc_resend_time_expired(unsigned long _call);
+static void rxrpc_call_timer_expired(unsigned long _call)
+{
+ struct rxrpc_call *call = (struct rxrpc_call *)_call;
+
+ _enter("%d", call->debug_id);
+
+ if (call->state < RXRPC_CALL_COMPLETE)
+ rxrpc_queue_call(call);
+}
/*
* find an extant server call
if (!call)
return NULL;
- call->acks_winsz = 16;
- call->acks_window = kmalloc(call->acks_winsz * sizeof(unsigned long),
+ call->rxtx_buffer = kcalloc(RXRPC_RXTX_BUFF_SIZE,
+ sizeof(struct sk_buff *),
gfp);
- if (!call->acks_window) {
- kmem_cache_free(rxrpc_call_jar, call);
- return NULL;
- }
+ if (!call->rxtx_buffer)
+ goto nomem;
- setup_timer(&call->lifetimer, &rxrpc_call_life_expired,
- (unsigned long) call);
- setup_timer(&call->ack_timer, &rxrpc_ack_time_expired,
- (unsigned long) call);
- setup_timer(&call->resend_timer, &rxrpc_resend_time_expired,
- (unsigned long) call);
+ call->rxtx_annotations = kcalloc(RXRPC_RXTX_BUFF_SIZE, sizeof(u8), gfp);
+ if (!call->rxtx_annotations)
+ goto nomem_2;
+
+ setup_timer(&call->timer, rxrpc_call_timer_expired,
+ (unsigned long)call);
INIT_WORK(&call->processor, &rxrpc_process_call);
INIT_LIST_HEAD(&call->link);
INIT_LIST_HEAD(&call->chan_wait_link);
INIT_LIST_HEAD(&call->accept_link);
- skb_queue_head_init(&call->rx_queue);
- skb_queue_head_init(&call->rx_oos_queue);
- skb_queue_head_init(&call->knlrecv_queue);
+ INIT_LIST_HEAD(&call->recvmsg_link);
+ INIT_LIST_HEAD(&call->sock_link);
init_waitqueue_head(&call->waitq);
spin_lock_init(&call->lock);
rwlock_init(&call->state_lock);
memset(&call->sock_node, 0xed, sizeof(call->sock_node));
- call->rx_data_expect = 1;
- call->rx_data_eaten = 0;
- call->rx_first_oos = 0;
- call->ackr_win_top = call->rx_data_eaten + 1 + rxrpc_rx_window_size;
- call->creation_jif = jiffies;
+ /* Leave space in the ring to handle a maxed-out jumbo packet */
+ call->rx_winsize = RXRPC_RXTX_BUFF_SIZE - 1 - 46;
+ call->tx_winsize = 16;
+ call->rx_expect_next = 1;
return call;
+
+nomem_2:
+ kfree(call->rxtx_buffer);
+nomem:
+ kmem_cache_free(rxrpc_call_jar, call);
+ return NULL;
}
/*
* Allocate a new client call.
*/
-static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
- struct sockaddr_rxrpc *srx,
+static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx,
gfp_t gfp)
{
struct rxrpc_call *call;
_enter("");
- ASSERT(rx->local != NULL);
-
call = rxrpc_alloc_call(gfp);
if (!call)
return ERR_PTR(-ENOMEM);
call->state = RXRPC_CALL_CLIENT_AWAIT_CONN;
- call->rx_data_post = 1;
call->service_id = srx->srx_service;
- rcu_assign_pointer(call->socket, rx);
_leave(" = %p", call);
return call;
}
/*
- * Begin client call.
+ * Initiate the call ack/resend/expiry timer.
*/
-static int rxrpc_begin_client_call(struct rxrpc_call *call,
- struct rxrpc_conn_parameters *cp,
- struct sockaddr_rxrpc *srx,
- gfp_t gfp)
+static void rxrpc_start_call_timer(struct rxrpc_call *call)
{
- int ret;
-
- /* Set up or get a connection record and set the protocol parameters,
- * including channel number and call ID.
- */
- ret = rxrpc_connect_call(call, cp, srx, gfp);
- if (ret < 0)
- return ret;
-
- spin_lock(&call->conn->params.peer->lock);
- hlist_add_head(&call->error_link, &call->conn->params.peer->error_targets);
- spin_unlock(&call->conn->params.peer->lock);
-
- call->lifetimer.expires = jiffies + rxrpc_max_call_lifetime;
- add_timer(&call->lifetimer);
- return 0;
+ unsigned long expire_at;
+
+ expire_at = jiffies + rxrpc_max_call_lifetime;
+ call->expire_at = expire_at;
+ call->ack_at = expire_at;
+ call->resend_at = expire_at;
+ call->timer.expires = expire_at;
+ add_timer(&call->timer);
}
/*
_enter("%p,%lx", rx, user_call_ID);
- call = rxrpc_alloc_client_call(rx, srx, gfp);
+ call = rxrpc_alloc_client_call(srx, gfp);
if (IS_ERR(call)) {
_leave(" = %ld", PTR_ERR(call));
return call;
goto found_user_ID_now_present;
}
+ rcu_assign_pointer(call->socket, rx);
rxrpc_get_call(call, rxrpc_call_got_userid);
rb_link_node(&call->sock_node, parent, pp);
rb_insert_color(&call->sock_node, &rx->calls);
+ list_add(&call->sock_link, &rx->sock_calls);
+
write_unlock(&rx->call_lock);
- write_lock_bh(&rxrpc_call_lock);
+ write_lock(&rxrpc_call_lock);
list_add_tail(&call->link, &rxrpc_calls);
- write_unlock_bh(&rxrpc_call_lock);
+ write_unlock(&rxrpc_call_lock);
- ret = rxrpc_begin_client_call(call, cp, srx, gfp);
+ /* Set up or get a connection record and set the protocol parameters,
+ * including channel number and call ID.
+ */
+ ret = rxrpc_connect_call(call, cp, srx, gfp);
if (ret < 0)
goto error;
+ spin_lock_bh(&call->conn->params.peer->lock);
+ hlist_add_head(&call->error_link,
+ &call->conn->params.peer->error_targets);
+ spin_unlock_bh(&call->conn->params.peer->lock);
+
+ rxrpc_start_call_timer(call);
+
_net("CALL new %d on CONN %d", call->debug_id, call->conn->debug_id);
_leave(" = %p [new]", call);
write_unlock(&rx->call_lock);
rxrpc_put_call(call, rxrpc_call_put_userid);
- write_lock_bh(&rxrpc_call_lock);
+ write_lock(&rxrpc_call_lock);
list_del_init(&call->link);
- write_unlock_bh(&rxrpc_call_lock);
+ write_unlock(&rxrpc_call_lock);
error_out:
__rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
}
/*
- * set up an incoming call
- * - called in process context with IRQs enabled
+ * Set up an incoming call. call->conn points to the connection.
+ * This is called in BH context and isn't allowed to fail.
*/
-struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx,
- struct rxrpc_connection *conn,
- struct sk_buff *skb)
+void rxrpc_incoming_call(struct rxrpc_sock *rx,
+ struct rxrpc_call *call,
+ struct sk_buff *skb)
{
+ struct rxrpc_connection *conn = call->conn;
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
- struct rxrpc_call *call, *candidate;
- const void *here = __builtin_return_address(0);
- u32 call_id, chan;
-
- _enter(",%d", conn->debug_id);
-
- ASSERT(rx != NULL);
-
- candidate = rxrpc_alloc_call(GFP_NOIO);
- if (!candidate)
- return ERR_PTR(-EBUSY);
+ u32 chan;
- trace_rxrpc_call(candidate, rxrpc_call_new_service,
- atomic_read(&candidate->usage), here, NULL);
+ _enter(",%d", call->conn->debug_id);
- chan = sp->hdr.cid & RXRPC_CHANNELMASK;
- candidate->conn = conn;
- candidate->peer = conn->params.peer;
- candidate->cid = sp->hdr.cid;
- candidate->call_id = sp->hdr.callNumber;
- candidate->security_ix = sp->hdr.securityIndex;
- candidate->rx_data_post = 0;
- candidate->state = RXRPC_CALL_SERVER_ACCEPTING;
- candidate->flags |= (1 << RXRPC_CALL_IS_SERVICE);
- if (conn->security_ix > 0)
- candidate->state = RXRPC_CALL_SERVER_SECURING;
- rcu_assign_pointer(candidate->socket, rx);
-
- spin_lock(&conn->channel_lock);
-
- /* set the channel for this call */
- call = rcu_dereference_protected(conn->channels[chan].call,
- lockdep_is_held(&conn->channel_lock));
-
- _debug("channel[%u] is %p", candidate->cid & RXRPC_CHANNELMASK, call);
- if (call && call->call_id == sp->hdr.callNumber) {
- /* already set; must've been a duplicate packet */
- _debug("extant call [%d]", call->state);
- ASSERTCMP(call->conn, ==, conn);
-
- 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);
- case RXRPC_CALL_REMOTELY_ABORTED:
- read_unlock(&call->state_lock);
- goto aborted_call;
- default:
- rxrpc_get_call(call, rxrpc_call_got);
- read_unlock(&call->state_lock);
- goto extant_call;
- }
- }
-
- if (call) {
- /* it seems the channel is still in use from the previous call
- * - ditch the old binding if its call is now complete */
- _debug("CALL: %u { %s }",
- call->debug_id, rxrpc_call_states[call->state]);
-
- if (call->state == RXRPC_CALL_COMPLETE) {
- __rxrpc_disconnect_call(conn, call);
- } else {
- spin_unlock(&conn->channel_lock);
- kmem_cache_free(rxrpc_call_jar, candidate);
- _leave(" = -EBUSY");
- return ERR_PTR(-EBUSY);
- }
- }
-
- /* check the call number isn't duplicate */
- _debug("check dup");
- call_id = sp->hdr.callNumber;
-
- /* We just ignore calls prior to the current call ID. Terminated calls
- * are handled via the connection.
+ rcu_assign_pointer(call->socket, rx);
+ call->call_id = sp->hdr.callNumber;
+ call->service_id = sp->hdr.serviceId;
+ call->cid = sp->hdr.cid;
+ call->state = RXRPC_CALL_SERVER_ACCEPTING;
+ if (sp->hdr.securityIndex > 0)
+ call->state = RXRPC_CALL_SERVER_SECURING;
+
+ /* Set the channel for this call. We don't get channel_lock as we're
+ * only defending against the data_ready handler (which we're called
+ * from) and the RESPONSE packet parser (which is only really
+ * interested in call_counter and can cope with a disagreement with the
+ * call pointer).
*/
- if (call_id <= conn->channels[chan].call_counter)
- goto old_call; /* TODO: Just drop packet */
-
- /* Temporary: Mirror the backlog prealloc ref (TODO: use prealloc) */
- rxrpc_get_call(candidate, rxrpc_call_got);
-
- /* make the call available */
- _debug("new call");
- call = candidate;
- candidate = NULL;
- conn->channels[chan].call_counter = call_id;
+ chan = sp->hdr.cid & RXRPC_CHANNELMASK;
+ conn->channels[chan].call_counter = call->call_id;
+ conn->channels[chan].call_id = call->call_id;
rcu_assign_pointer(conn->channels[chan].call, call);
- rxrpc_get_connection(conn);
- rxrpc_get_peer(call->peer);
- spin_unlock(&conn->channel_lock);
spin_lock(&conn->params.peer->lock);
hlist_add_head(&call->error_link, &conn->params.peer->error_targets);
spin_unlock(&conn->params.peer->lock);
- write_lock_bh(&rxrpc_call_lock);
- list_add_tail(&call->link, &rxrpc_calls);
- write_unlock_bh(&rxrpc_call_lock);
-
- call->service_id = conn->params.service_id;
-
_net("CALL incoming %d on CONN %d", call->debug_id, call->conn->debug_id);
- call->lifetimer.expires = jiffies + rxrpc_max_call_lifetime;
- add_timer(&call->lifetimer);
- _leave(" = %p {%d} [new]", call, call->debug_id);
- return call;
-
-extant_call:
- spin_unlock(&conn->channel_lock);
- kmem_cache_free(rxrpc_call_jar, candidate);
- _leave(" = %p {%d} [extant]", call, call ? call->debug_id : -1);
- return call;
-
-aborted_call:
- spin_unlock(&conn->channel_lock);
- kmem_cache_free(rxrpc_call_jar, candidate);
- _leave(" = -ECONNABORTED");
- return ERR_PTR(-ECONNABORTED);
-
-old_call:
- spin_unlock(&conn->channel_lock);
- kmem_cache_free(rxrpc_call_jar, candidate);
- _leave(" = -ECONNRESET [old]");
- return ERR_PTR(-ECONNRESET);
+ rxrpc_start_call_timer(call);
+ _leave("");
}
/*
}
/*
- * Note the addition of a ref on a call for a socket buffer.
+ * Detach a call from its owning socket.
*/
-void rxrpc_get_call_for_skb(struct rxrpc_call *call, struct sk_buff *skb)
+void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
{
- const void *here = __builtin_return_address(0);
- int n = atomic_inc_return(&call->usage);
+ struct rxrpc_connection *conn = call->conn;
+ bool put = false;
+ int i;
- trace_rxrpc_call(call, rxrpc_call_got_skb, n, here, skb);
-}
+ _enter("{%d,%d}", call->debug_id, atomic_read(&call->usage));
-/*
- * detach a call from a socket and set up for release
- */
-void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
-{
- _enter("{%d,%d,%d,%d}",
- call->debug_id, atomic_read(&call->usage),
- atomic_read(&call->ackr_not_idle),
- call->rx_first_oos);
+ ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
rxrpc_see_call(call);
BUG();
spin_unlock_bh(&call->lock);
- /* dissociate from the socket
- * - the socket's ref on the call is passed to the death timer
- */
- _debug("RELEASE CALL %p (%d)", call, call->debug_id);
+ del_timer_sync(&call->timer);
- if (call->peer) {
- spin_lock(&call->peer->lock);
- hlist_del_init(&call->error_link);
- spin_unlock(&call->peer->lock);
- }
+ /* Make sure we don't get any more notifications */
+ write_lock_bh(&rx->recvmsg_lock);
- write_lock_bh(&rx->call_lock);
- if (!list_empty(&call->accept_link)) {
+ if (!list_empty(&call->recvmsg_link)) {
_debug("unlinking once-pending call %p { e=%lx f=%lx }",
call, call->events, call->flags);
- ASSERT(!test_bit(RXRPC_CALL_HAS_USERID, &call->flags));
- list_del_init(&call->accept_link);
- sk_acceptq_removed(&rx->sk);
- } else if (test_bit(RXRPC_CALL_HAS_USERID, &call->flags)) {
+ list_del(&call->recvmsg_link);
+ put = true;
+ }
+
+ /* list_empty() must return false in rxrpc_notify_socket() */
+ call->recvmsg_link.next = NULL;
+ call->recvmsg_link.prev = NULL;
+
+ write_unlock_bh(&rx->recvmsg_lock);
+ if (put)
+ rxrpc_put_call(call, rxrpc_call_put);
+
+ write_lock(&rx->call_lock);
+
+ if (test_and_clear_bit(RXRPC_CALL_HAS_USERID, &call->flags)) {
rb_erase(&call->sock_node, &rx->calls);
memset(&call->sock_node, 0xdd, sizeof(call->sock_node));
- clear_bit(RXRPC_CALL_HAS_USERID, &call->flags);
rxrpc_put_call(call, rxrpc_call_put_userid);
}
- write_unlock_bh(&rx->call_lock);
-
- /* free up the channel for reuse */
- if (call->state == RXRPC_CALL_CLIENT_FINAL_ACK) {
- clear_bit(RXRPC_CALL_EV_ACK_FINAL, &call->events);
- rxrpc_send_call_packet(call, RXRPC_PACKET_TYPE_ACK);
- rxrpc_call_completed(call);
- } else {
- write_lock_bh(&call->state_lock);
-
- if (call->state < RXRPC_CALL_COMPLETE) {
- _debug("+++ ABORTING STATE %d +++\n", call->state);
- __rxrpc_abort_call("SKT", call, 0, RX_CALL_DEAD, ECONNRESET);
- clear_bit(RXRPC_CALL_EV_ACK_FINAL, &call->events);
- rxrpc_send_call_packet(call, RXRPC_PACKET_TYPE_ABORT);
- }
-
- write_unlock_bh(&call->state_lock);
- }
- if (call->conn)
+ list_del(&call->sock_link);
+ write_unlock(&rx->call_lock);
+
+ _debug("RELEASE CALL %p (%d CONN %p)", call, call->debug_id, conn);
+
+ if (conn)
rxrpc_disconnect_call(call);
- /* clean up the Rx queue */
- if (!skb_queue_empty(&call->rx_queue) ||
- !skb_queue_empty(&call->rx_oos_queue)) {
- struct rxrpc_skb_priv *sp;
- struct sk_buff *skb;
-
- _debug("purge Rx queues");
-
- spin_lock_bh(&call->lock);
- while ((skb = skb_dequeue(&call->rx_queue)) ||
- (skb = skb_dequeue(&call->rx_oos_queue))) {
- spin_unlock_bh(&call->lock);
-
- sp = rxrpc_skb(skb);
- _debug("- zap %s %%%u #%u",
- rxrpc_pkts[sp->hdr.type],
- sp->hdr.serial, sp->hdr.seq);
- rxrpc_free_skb(skb);
- spin_lock_bh(&call->lock);
- }
- spin_unlock_bh(&call->lock);
+ for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++) {
+ rxrpc_free_skb(call->rxtx_buffer[i]);
+ call->rxtx_buffer[i] = NULL;
}
- rxrpc_purge_queue(&call->knlrecv_queue);
-
- del_timer_sync(&call->resend_timer);
- del_timer_sync(&call->ack_timer);
- del_timer_sync(&call->lifetimer);
/* We have to release the prealloc backlog ref */
if (rxrpc_is_service_call(call))
void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
{
struct rxrpc_call *call;
- struct rb_node *p;
_enter("%p", rx);
- read_lock_bh(&rx->call_lock);
-
- /* kill the not-yet-accepted incoming calls */
- list_for_each_entry(call, &rx->secureq, accept_link) {
- rxrpc_release_call(rx, call);
- }
-
- list_for_each_entry(call, &rx->acceptq, accept_link) {
- rxrpc_release_call(rx, call);
- }
-
- /* mark all the calls as no longer wanting incoming packets */
- for (p = rb_first(&rx->calls); p; p = rb_next(p)) {
- call = rb_entry(p, struct rxrpc_call, sock_node);
+ while (!list_empty(&rx->sock_calls)) {
+ call = list_entry(rx->sock_calls.next,
+ struct rxrpc_call, sock_link);
+ rxrpc_get_call(call, rxrpc_call_got);
+ rxrpc_abort_call("SKT", call, 0, RX_CALL_DEAD, ECONNRESET);
+ rxrpc_send_call_packet(call, RXRPC_PACKET_TYPE_ABORT);
rxrpc_release_call(rx, call);
+ rxrpc_put_call(call, rxrpc_call_put);
}
- read_unlock_bh(&rx->call_lock);
_leave("");
}
ASSERTCMP(n, >=, 0);
if (n == 0) {
_debug("call %d dead", call->debug_id);
- rxrpc_cleanup_call(call);
- }
-}
+ ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
-/*
- * Release a call ref held by a socket buffer.
- */
-void rxrpc_put_call_for_skb(struct rxrpc_call *call, struct sk_buff *skb)
-{
- const void *here = __builtin_return_address(0);
- int n;
+ write_lock(&rxrpc_call_lock);
+ list_del_init(&call->link);
+ write_unlock(&rxrpc_call_lock);
- n = atomic_dec_return(&call->usage);
- trace_rxrpc_call(call, rxrpc_call_put_skb, n, here, skb);
- ASSERTCMP(n, >=, 0);
- if (n == 0) {
- _debug("call %d dead", call->debug_id);
rxrpc_cleanup_call(call);
}
}
{
struct rxrpc_call *call = container_of(rcu, struct rxrpc_call, rcu);
- rxrpc_purge_queue(&call->rx_queue);
- rxrpc_purge_queue(&call->knlrecv_queue);
rxrpc_put_peer(call->peer);
+ kfree(call->rxtx_buffer);
+ kfree(call->rxtx_annotations);
kmem_cache_free(rxrpc_call_jar, call);
}
*/
void rxrpc_cleanup_call(struct rxrpc_call *call)
{
- _net("DESTROY CALL %d", call->debug_id);
+ int i;
- write_lock_bh(&rxrpc_call_lock);
- list_del_init(&call->link);
- write_unlock_bh(&rxrpc_call_lock);
+ _net("DESTROY CALL %d", call->debug_id);
memset(&call->sock_node, 0xcd, sizeof(call->sock_node));
- del_timer_sync(&call->lifetimer);
- del_timer_sync(&call->ack_timer);
- del_timer_sync(&call->resend_timer);
+ del_timer_sync(&call->timer);
ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
ASSERT(test_bit(RXRPC_CALL_RELEASED, &call->flags));
- ASSERT(!work_pending(&call->processor));
ASSERTCMP(call->conn, ==, NULL);
- if (call->acks_window) {
- _debug("kill Tx window %d",
- CIRC_CNT(call->acks_head, call->acks_tail,
- call->acks_winsz));
- smp_mb();
- while (CIRC_CNT(call->acks_head, call->acks_tail,
- call->acks_winsz) > 0) {
- struct rxrpc_skb_priv *sp;
- unsigned long _skb;
-
- _skb = call->acks_window[call->acks_tail] & ~1;
- sp = rxrpc_skb((struct sk_buff *)_skb);
- _debug("+++ clear Tx %u", sp->hdr.seq);
- rxrpc_free_skb((struct sk_buff *)_skb);
- call->acks_tail =
- (call->acks_tail + 1) & (call->acks_winsz - 1);
- }
-
- kfree(call->acks_window);
- }
+ /* Clean up the Rx/Tx buffer */
+ for (i = 0; i < RXRPC_RXTX_BUFF_SIZE; i++)
+ rxrpc_free_skb(call->rxtx_buffer[i]);
rxrpc_free_skb(call->tx_pending);
- rxrpc_purge_queue(&call->rx_queue);
- ASSERT(skb_queue_empty(&call->rx_oos_queue));
- rxrpc_purge_queue(&call->knlrecv_queue);
call_rcu(&call->rcu, rxrpc_rcu_destroy_call);
}
if (list_empty(&rxrpc_calls))
return;
-
- write_lock_bh(&rxrpc_call_lock);
+
+ write_lock(&rxrpc_call_lock);
while (!list_empty(&rxrpc_calls)) {
call = list_entry(rxrpc_calls.next, struct rxrpc_call, link);
rxrpc_see_call(call);
list_del_init(&call->link);
- pr_err("Call %p still in use (%d,%d,%s,%lx,%lx)!\n",
+ pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
call, atomic_read(&call->usage),
- atomic_read(&call->ackr_not_idle),
rxrpc_call_states[call->state],
call->flags, call->events);
- if (!skb_queue_empty(&call->rx_queue))
- pr_err("Rx queue occupied\n");
- if (!skb_queue_empty(&call->rx_oos_queue))
- pr_err("OOS queue occupied\n");
- write_unlock_bh(&rxrpc_call_lock);
+ write_unlock(&rxrpc_call_lock);
cond_resched();
- write_lock_bh(&rxrpc_call_lock);
+ write_lock(&rxrpc_call_lock);
}
- write_unlock_bh(&rxrpc_call_lock);
- _leave("");
-}
-
-/*
- * handle call lifetime being exceeded
- */
-static void rxrpc_call_life_expired(unsigned long _call)
-{
- struct rxrpc_call *call = (struct rxrpc_call *) _call;
-
- _enter("{%d}", call->debug_id);
-
- rxrpc_see_call(call);
- if (call->state >= RXRPC_CALL_COMPLETE)
- return;
-
- set_bit(RXRPC_CALL_EV_LIFE_TIMER, &call->events);
- rxrpc_queue_call(call);
-}
-
-/*
- * handle resend timer expiry
- * - may not take call->state_lock as this can deadlock against del_timer_sync()
- */
-static void rxrpc_resend_time_expired(unsigned long _call)
-{
- struct rxrpc_call *call = (struct rxrpc_call *) _call;
-
- _enter("{%d}", call->debug_id);
-
- rxrpc_see_call(call);
- if (call->state >= RXRPC_CALL_COMPLETE)
- return;
-
- clear_bit(RXRPC_CALL_RUN_RTIMER, &call->flags);
- if (!test_and_set_bit(RXRPC_CALL_EV_RESEND_TIMER, &call->events))
- rxrpc_queue_call(call);
-}
-
-/*
- * handle ACK timer expiry
- */
-static void rxrpc_ack_time_expired(unsigned long _call)
-{
- struct rxrpc_call *call = (struct rxrpc_call *) _call;
-
- _enter("{%d}", call->debug_id);
-
- rxrpc_see_call(call);
- if (call->state >= RXRPC_CALL_COMPLETE)
- return;
-
- if (!test_and_set_bit(RXRPC_CALL_EV_ACK, &call->events))
- rxrpc_queue_call(call);
+ write_unlock(&rxrpc_call_lock);
}
projects / linux-2.6-microblaze.git / blobdiff