bool live;
- bool kill_all_client_conns;
atomic_t nr_client_conns;
- spinlock_t client_conn_cache_lock; /* Lock for ->*_client_conns */
- struct mutex client_conn_discard_lock; /* Prevent multiple discarders */
- struct list_head idle_client_conns;
- struct work_struct client_conn_reaper;
- struct timer_list client_conn_reap_timer;
struct hlist_head local_endpoints;
struct mutex local_mutex; /* Lock for ->local_endpoints */
struct list_head sock_calls; /* List of calls owned by this socket */
struct list_head to_be_accepted; /* calls awaiting acceptance */
struct list_head recvmsg_q; /* Calls awaiting recvmsg's attention */
- rwlock_t recvmsg_lock; /* Lock for recvmsg_q */
+ spinlock_t recvmsg_lock; /* Lock for recvmsg_q */
struct key *key; /* security for this socket */
struct key *securities; /* list of server security descriptors */
struct rb_root calls; /* User ID -> call mapping */
struct socket *socket; /* my UDP socket */
struct task_struct *io_thread;
struct completion io_thread_ready; /* Indication that the I/O thread started */
- struct rxrpc_sock __rcu *service; /* Service(s) listening on this endpoint */
+ struct rxrpc_sock *service; /* Service(s) listening on this endpoint */
struct rw_semaphore defrag_sem; /* control re-enablement of IP DF bit */
+#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
+ struct sk_buff_head rx_delay_queue; /* Delay injection queue */
+#endif
struct sk_buff_head rx_queue; /* Received packets */
struct list_head conn_attend_q; /* Conns requiring immediate attention */
struct list_head call_attend_q; /* Calls requiring immediate attention */
+
struct rb_root client_bundles; /* Client connection bundles by socket params */
spinlock_t client_bundles_lock; /* Lock for client_bundles */
+ bool kill_all_client_conns;
+ struct list_head idle_client_conns;
+ struct timer_list client_conn_reap_timer;
+ unsigned long client_conn_flags;
+#define RXRPC_CLIENT_CONN_REAP_TIMER 0 /* The client conn reap timer expired */
+
spinlock_t lock; /* access lock */
rwlock_t services_lock; /* lock for services list */
int debug_id; /* debug ID for printks */
bool dead;
bool service_closed; /* Service socket closed */
struct idr conn_ids; /* List of connection IDs */
- spinlock_t conn_lock; /* Lock for client connection pool */
+ struct list_head new_client_calls; /* Newly created client calls need connection */
+ spinlock_t client_call_lock; /* Lock for ->new_client_calls */
struct sockaddr_rxrpc srx; /* local address */
};
* Bits in the connection flags.
*/
enum rxrpc_conn_flag {
- RXRPC_CONN_HAS_IDR, /* Has a client conn ID assigned */
RXRPC_CONN_IN_SERVICE_CONNS, /* Conn is in peer->service_conns */
RXRPC_CONN_DONT_REUSE, /* Don't reuse this connection */
RXRPC_CONN_PROBING_FOR_UPGRADE, /* Probing for service upgrade */
*/
enum rxrpc_conn_proto_state {
RXRPC_CONN_UNUSED, /* Connection not yet attempted */
+ RXRPC_CONN_CLIENT_UNSECURED, /* Client connection needs security init */
RXRPC_CONN_CLIENT, /* Client connection */
RXRPC_CONN_SERVICE_PREALLOC, /* Service connection preallocation */
RXRPC_CONN_SERVICE_UNSECURED, /* Service unsecured connection */
u32 security_level; /* Security level selected */
u16 service_id; /* Service ID for this connection */
bool try_upgrade; /* True if the bundle is attempting upgrade */
- bool alloc_conn; /* True if someone's getting a conn */
bool exclusive; /* T if conn is exclusive */
bool upgrade; /* T if service ID can be upgraded */
- short alloc_error; /* Error from last conn allocation */
- spinlock_t channel_lock;
+ unsigned short alloc_error; /* Error from last conn allocation */
struct rb_node local_node; /* Node in local->client_conns */
struct list_head waiting_calls; /* Calls waiting for channels */
unsigned long avail_chans; /* Mask of available channels */
unsigned char act_chans; /* Mask of active channels */
struct rxrpc_channel {
unsigned long final_ack_at; /* Time at which to issue final ACK */
- struct rxrpc_call __rcu *call; /* Active call */
+ struct rxrpc_call *call; /* Active call */
unsigned int call_debug_id; /* call->debug_id */
u32 call_id; /* ID of current call */
u32 call_counter; /* Call ID counter */
struct list_head link; /* link in master connection list */
struct sk_buff_head rx_queue; /* received conn-level packets */
+ struct mutex security_lock; /* Lock for security management */
const struct rxrpc_security *security; /* applied security module */
union {
struct {
RXRPC_CALL_KERNEL, /* The call was made by the kernel */
RXRPC_CALL_UPGRADE, /* Service upgrade was requested for the call */
RXRPC_CALL_EXCLUSIVE, /* The call uses a once-only connection */
- RXRPC_CALL_RX_IS_IDLE, /* Reception is idle - send an ACK */
+ RXRPC_CALL_RX_IS_IDLE, /* recvmsg() is idle - send an ACK */
+ RXRPC_CALL_RECVMSG_READ_ALL, /* recvmsg() read all of the received data */
};
/*
struct work_struct destroyer; /* In-process-context destroyer */
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->bundle->waiting_calls */
+ struct list_head wait_link; /* Link in local->new_client_calls */
struct hlist_node error_link; /* link in error distribution list */
struct list_head accept_link; /* Link in rx->acceptq */
struct list_head recvmsg_link; /* Link in rx->recvmsg_q */
unsigned long flags;
unsigned long events;
spinlock_t notify_lock; /* Kernel notification lock */
- rwlock_t state_lock; /* lock for state transition */
unsigned int send_abort_why; /* Why the abort [enum rxrpc_abort_reason] */
s32 send_abort; /* Abort code to be sent */
short send_abort_err; /* Error to be associated with the abort */
rxrpc_seq_t send_abort_seq; /* DATA packet that incurred the abort (or 0) */
s32 abort_code; /* Local/remote abort code */
int error; /* Local error incurred */
- enum rxrpc_call_state state; /* current state of call */
+ enum rxrpc_call_state _state; /* Current state of call (needs barrier) */
enum rxrpc_call_completion completion; /* Call completion condition */
refcount_t ref;
u8 security_ix; /* Security type */
/* Receive-phase ACK management (ACKs we send). */
u8 ackr_reason; /* reason to ACK */
rxrpc_serial_t ackr_serial; /* serial of packet being ACK'd */
- atomic64_t ackr_window; /* Base (in LSW) and top (in MSW) of SACK window */
- atomic_t ackr_nr_unacked; /* Number of unacked packets */
+ rxrpc_seq_t ackr_window; /* Base of SACK window */
+ rxrpc_seq_t ackr_wtop; /* Base of SACK window */
+ unsigned int ackr_nr_unacked; /* Number of unacked packets */
atomic_t ackr_nr_consumed; /* Number of packets needing hard ACK */
struct {
#define RXRPC_SACK_SIZE 256
struct sockaddr_rxrpc *,
struct rxrpc_call_params *, gfp_t,
unsigned int);
+void rxrpc_start_call_timer(struct rxrpc_call *call);
void rxrpc_incoming_call(struct rxrpc_sock *, struct rxrpc_call *,
struct sk_buff *);
void rxrpc_release_call(struct rxrpc_sock *, struct rxrpc_call *);
}
/*
+ * call_state.c
+ */
+bool rxrpc_set_call_completion(struct rxrpc_call *call,
+ enum rxrpc_call_completion compl,
+ u32 abort_code,
+ int error);
+bool rxrpc_call_completed(struct rxrpc_call *call);
+bool rxrpc_abort_call(struct rxrpc_call *call, rxrpc_seq_t seq,
+ u32 abort_code, int error, enum rxrpc_abort_reason why);
+void rxrpc_prefail_call(struct rxrpc_call *call, enum rxrpc_call_completion compl,
+ int error);
+
+static inline void rxrpc_set_call_state(struct rxrpc_call *call,
+ enum rxrpc_call_state state)
+{
+ /* Order write of completion info before write of ->state. */
+ smp_store_release(&call->_state, state);
+ wake_up(&call->waitq);
+}
+
+static inline enum rxrpc_call_state __rxrpc_call_state(const struct rxrpc_call *call)
+{
+ return call->_state; /* Only inside I/O thread */
+}
+
+static inline bool __rxrpc_call_is_complete(const struct rxrpc_call *call)
+{
+ return __rxrpc_call_state(call) == RXRPC_CALL_COMPLETE;
+}
+
+static inline enum rxrpc_call_state rxrpc_call_state(const struct rxrpc_call *call)
+{
+ /* Order read ->state before read of completion info. */
+ return smp_load_acquire(&call->_state);
+}
+
+static inline bool rxrpc_call_is_complete(const struct rxrpc_call *call)
+{
+ return rxrpc_call_state(call) == RXRPC_CALL_COMPLETE;
+}
+
+static inline bool rxrpc_call_has_failed(const struct rxrpc_call *call)
+{
+ return rxrpc_call_is_complete(call) && call->completion != RXRPC_CALL_SUCCEEDED;
+}
+
+/*
* conn_client.c
*/
extern unsigned int rxrpc_reap_client_connections;
extern unsigned long rxrpc_conn_idle_client_expiry;
extern unsigned long rxrpc_conn_idle_client_fast_expiry;
-void rxrpc_destroy_client_conn_ids(struct rxrpc_local *local);
+void rxrpc_purge_client_connections(struct rxrpc_local *local);
struct rxrpc_bundle *rxrpc_get_bundle(struct rxrpc_bundle *, enum rxrpc_bundle_trace);
void rxrpc_put_bundle(struct rxrpc_bundle *, enum rxrpc_bundle_trace);
-int rxrpc_connect_call(struct rxrpc_call *call, gfp_t gfp);
+int rxrpc_look_up_bundle(struct rxrpc_call *call, gfp_t gfp);
+void rxrpc_connect_client_calls(struct rxrpc_local *local);
void rxrpc_expose_client_call(struct rxrpc_call *);
void rxrpc_disconnect_client_call(struct rxrpc_bundle *, struct rxrpc_call *);
void rxrpc_deactivate_bundle(struct rxrpc_bundle *bundle);
void rxrpc_put_client_conn(struct rxrpc_connection *, enum rxrpc_conn_trace);
-void rxrpc_discard_expired_client_conns(struct work_struct *);
-void rxrpc_destroy_all_client_connections(struct rxrpc_net *);
+void rxrpc_discard_expired_client_conns(struct rxrpc_local *local);
void rxrpc_clean_up_local_conns(struct rxrpc_local *);
/*
extern unsigned int rxrpc_rx_window_size;
extern unsigned int rxrpc_rx_mtu;
extern unsigned int rxrpc_rx_jumbo_max;
+#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
+extern unsigned long rxrpc_inject_rx_delay;
+#endif
/*
* net_ns.c
* 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(struct rxrpc_call *call, rxrpc_seq_t seq,
- u32 abort_code, int error, enum rxrpc_abort_reason why);
-bool rxrpc_abort_call(struct rxrpc_call *call, rxrpc_seq_t seq,
- u32 abort_code, int error, enum rxrpc_abort_reason why);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
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