#define rxrpc_queue_delayed_work(WS,D) \
queue_delayed_work(rxrpc_workqueue, (WS), (D))
-#define rxrpc_queue_call(CALL) rxrpc_queue_work(&(CALL)->processor)
-
struct rxrpc_connection;
+/*
+ * Mark applied to socket buffers.
+ */
+enum rxrpc_skb_mark {
+ RXRPC_SKB_MARK_DATA, /* data message */
+ RXRPC_SKB_MARK_FINAL_ACK, /* final ACK received message */
+ RXRPC_SKB_MARK_BUSY, /* server busy message */
+ RXRPC_SKB_MARK_REMOTE_ABORT, /* remote abort message */
+ RXRPC_SKB_MARK_LOCAL_ABORT, /* local abort message */
+ RXRPC_SKB_MARK_NET_ERROR, /* network error message */
+ RXRPC_SKB_MARK_LOCAL_ERROR, /* local error message */
+ RXRPC_SKB_MARK_NEW_CALL, /* local error message */
+};
+
/*
* sk_state for RxRPC sockets
*/
struct rxrpc_sock {
/* WARNING: sk has to be the first member */
struct sock sk;
- rxrpc_interceptor_t interceptor; /* kernel service Rx interceptor function */
+ rxrpc_notify_new_call_t notify_new_call; /* Func to notify of new call */
struct rxrpc_local *local; /* local endpoint */
struct list_head listen_link; /* link in the local endpoint's listen list */
struct list_head secureq; /* calls awaiting connection security clearance */
#define rxrpc_skb(__skb) ((struct rxrpc_skb_priv *) &(__skb)->cb)
-enum rxrpc_command {
- RXRPC_CMD_SEND_DATA, /* send data message */
- RXRPC_CMD_SEND_ABORT, /* request abort generation */
- RXRPC_CMD_ACCEPT, /* [server] accept incoming call */
- RXRPC_CMD_REJECT_BUSY, /* [server] reject a call as busy */
-};
-
/*
* RxRPC security module interface
*/
void *);
/* verify the security on a received packet */
- int (*verify_packet)(struct rxrpc_call *, struct sk_buff *, u32 *);
+ int (*verify_packet)(struct rxrpc_call *, struct sk_buff *,
+ rxrpc_seq_t, u16);
/* issue a challenge */
int (*issue_challenge)(struct rxrpc_connection *);
RXRPC_CALL_EXPECT_OOS, /* expect out of sequence packets */
RXRPC_CALL_IS_SERVICE, /* Call is service call */
RXRPC_CALL_EXPOSED, /* The call was exposed to the world */
+ RXRPC_CALL_RX_NO_MORE, /* Don't indicate MSG_MORE from recvmsg() */
};
/*
RXRPC_CALL_EV_ACCEPTED, /* incoming call accepted by userspace app */
RXRPC_CALL_EV_SECURED, /* incoming call's connection is now secure */
RXRPC_CALL_EV_POST_ACCEPT, /* need to post an "accept?" message to the app */
- RXRPC_CALL_EV_RELEASE, /* need to release the call's resources */
};
/*
RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */
RXRPC_CALL_SERVER_AWAIT_ACK, /* - server awaiting final ACK */
RXRPC_CALL_COMPLETE, /* - call complete */
- RXRPC_CALL_DEAD, /* - call is dead */
NR__RXRPC_CALL_STATES
};
struct rcu_head rcu;
struct rxrpc_connection *conn; /* connection carrying call */
struct rxrpc_peer *peer; /* Peer record for remote address */
- struct rxrpc_sock *socket; /* socket responsible */
+ struct rxrpc_sock __rcu *socket; /* socket responsible */
struct timer_list lifetimer; /* lifetime remaining on call */
- struct timer_list deadspan; /* reap timer for re-ACK'ing, etc */
struct timer_list ack_timer; /* ACK generation timer */
struct timer_list resend_timer; /* Tx resend timer */
- struct work_struct destroyer; /* call destroyer */
struct work_struct processor; /* packet processor and ACK generator */
+ rxrpc_notify_rx_t notify_rx; /* kernel service Rx notification function */
struct list_head link; /* link in master call list */
struct list_head chan_wait_link; /* Link in conn->waiting_calls */
struct hlist_node error_link; /* link in error distribution list */
struct rb_node sock_node; /* node in socket call tree */
struct sk_buff_head rx_queue; /* received packets */
struct sk_buff_head rx_oos_queue; /* packets received out of sequence */
+ struct sk_buff_head knlrecv_queue; /* Queue for kernel_recv [TODO: replace this] */
struct sk_buff *tx_pending; /* Tx socket buffer being filled */
wait_queue_head_t waitq; /* Wait queue for channel or Tx */
__be32 crypto_buf[2]; /* Temporary packet crypto buffer */
atomic_t skb_count; /* Outstanding packets on this call */
atomic_t sequence; /* Tx data packet sequence counter */
u16 service_id; /* service ID */
+ u8 security_ix; /* Security type */
u32 call_id; /* call ID on connection */
u32 cid; /* connection ID plus channel index */
int debug_id; /* debug ID for printks */
unsigned long ackr_window[RXRPC_ACKR_WINDOW_ASZ + 1];
};
+enum rxrpc_call_trace {
+ rxrpc_call_new_client,
+ rxrpc_call_new_service,
+ rxrpc_call_queued,
+ rxrpc_call_queued_ref,
+ rxrpc_call_seen,
+ rxrpc_call_got,
+ rxrpc_call_got_skb,
+ rxrpc_call_got_userid,
+ rxrpc_call_put,
+ rxrpc_call_put_skb,
+ rxrpc_call_put_userid,
+ rxrpc_call_put_noqueue,
+ rxrpc_call__nr_trace
+};
+
+extern const char rxrpc_call_traces[rxrpc_call__nr_trace][4];
+
#include <trace/events/rxrpc.h>
/*
* call_accept.c
*/
void rxrpc_accept_incoming_calls(struct rxrpc_local *);
-struct rxrpc_call *rxrpc_accept_call(struct rxrpc_sock *, unsigned long);
+struct rxrpc_call *rxrpc_accept_call(struct rxrpc_sock *, unsigned long,
+ rxrpc_notify_rx_t);
int rxrpc_reject_call(struct rxrpc_sock *);
/*
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;
extern struct list_head rxrpc_calls;
extern rwlock_t rxrpc_call_lock;
struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *,
struct rxrpc_connection *,
struct sk_buff *);
-void rxrpc_release_call(struct rxrpc_call *);
+void rxrpc_release_call(struct rxrpc_sock *, struct rxrpc_call *);
void rxrpc_release_calls_on_socket(struct rxrpc_sock *);
+bool __rxrpc_queue_call(struct rxrpc_call *);
+bool rxrpc_queue_call(struct rxrpc_call *);
void rxrpc_see_call(struct rxrpc_call *);
-void rxrpc_get_call(struct rxrpc_call *);
-void rxrpc_put_call(struct rxrpc_call *);
+void rxrpc_get_call(struct rxrpc_call *, enum rxrpc_call_trace);
+void rxrpc_put_call(struct rxrpc_call *, enum rxrpc_call_trace);
void rxrpc_get_call_for_skb(struct rxrpc_call *, struct sk_buff *);
void rxrpc_put_call_for_skb(struct rxrpc_call *, struct sk_buff *);
void __exit rxrpc_destroy_all_calls(void);
u32 abort_code,
int error)
{
- int ret;
+ bool ret;
write_lock_bh(&call->state_lock);
ret = __rxrpc_set_call_completion(call, compl, abort_code, error);
/*
* Record that a call successfully completed.
*/
-static inline void __rxrpc_call_completed(struct rxrpc_call *call)
+static inline bool __rxrpc_call_completed(struct rxrpc_call *call)
{
- __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
+ return __rxrpc_set_call_completion(call, RXRPC_CALL_SUCCEEDED, 0, 0);
}
-static inline void rxrpc_call_completed(struct rxrpc_call *call)
+static inline bool rxrpc_call_completed(struct rxrpc_call *call)
{
+ bool ret;
+
write_lock_bh(&call->state_lock);
- __rxrpc_call_completed(call);
+ 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(struct rxrpc_call *call,
+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(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;
}
-static inline bool rxrpc_abort_call(struct rxrpc_call *call,
- u32 abort_code, int 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(call, abort_code, error);
+ ret = __rxrpc_abort_call(why, call, seq, abort_code, error);
write_unlock_bh(&call->state_lock);
return ret;
}
}
}
-
static inline bool rxrpc_queue_conn(struct rxrpc_connection *conn)
{
if (!rxrpc_get_connection_maybe(conn))
extern unsigned int rxrpc_rx_window_size;
extern unsigned int rxrpc_rx_mtu;
extern unsigned int rxrpc_rx_jumbo_max;
+extern unsigned int rxrpc_resend_timeout;
extern const char *const rxrpc_pkts[];
extern const s8 rxrpc_ack_priority[];
/*
* output.c
*/
-extern unsigned int rxrpc_resend_timeout;
-
+int rxrpc_send_call_packet(struct rxrpc_call *, u8);
int rxrpc_send_data_packet(struct rxrpc_connection *, struct sk_buff *);
-int rxrpc_do_sendmsg(struct rxrpc_sock *, struct msghdr *, size_t);
/*
* peer_event.c
/*
* recvmsg.c
*/
-void rxrpc_remove_user_ID(struct rxrpc_sock *, struct rxrpc_call *);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
int rxrpc_init_client_conn_security(struct rxrpc_connection *);
int rxrpc_init_server_conn_security(struct rxrpc_connection *);
+/*
+ * sendmsg.c
+ */
+int rxrpc_do_sendmsg(struct rxrpc_sock *, struct msghdr *, size_t);
+
/*
* skbuff.c
*/
+void rxrpc_kernel_data_consumed(struct rxrpc_call *, struct sk_buff *);
void rxrpc_packet_destructor(struct sk_buff *);
void rxrpc_new_skb(struct sk_buff *);
void rxrpc_see_skb(struct sk_buff *);
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