#include <net/netns/generic.h>
#include <net/sock.h>
#include <net/af_rxrpc.h>
+#include <keys/rxrpc-type.h>
#include "protocol.h"
#if 0
#define rxrpc_queue_delayed_work(WS,D) \
queue_delayed_work(rxrpc_workqueue, (WS), (D))
+struct key_preparsed_payload;
struct rxrpc_connection;
/*
struct work_struct service_conn_reaper;
struct timer_list service_conn_reap_timer;
- unsigned int nr_client_conns;
- unsigned int nr_active_client_conns;
- bool kill_all_client_conns;
bool live;
+
+ bool kill_all_client_conns;
+ atomic_t nr_client_conns;
spinlock_t client_conn_cache_lock; /* Lock for ->*_client_conns */
spinlock_t client_conn_discard_lock; /* Prevent multiple discarders */
- struct list_head waiting_client_conns;
- struct list_head active_client_conns;
struct list_head idle_client_conns;
struct work_struct client_conn_reaper;
struct timer_list client_conn_reap_timer;
/* Clean up a security service */
void (*exit)(void);
+ /* Parse the information from a server key */
+ int (*preparse_server_key)(struct key_preparsed_payload *);
+
+ /* Clean up the preparse buffer after parsing a server key */
+ void (*free_preparse_server_key)(struct key_preparsed_payload *);
+
+ /* Destroy the payload of a server key */
+ void (*destroy_server_key)(struct key *);
+
+ /* Describe a server key */
+ void (*describe_server_key)(const struct key *, struct seq_file *);
+
/* initialise a connection's security */
- int (*init_connection_security)(struct rxrpc_connection *);
+ int (*init_connection_security)(struct rxrpc_connection *,
+ struct rxrpc_key_token *);
- /* prime a connection's packet security */
- int (*prime_packet_security)(struct rxrpc_connection *);
+ /* Work out how much data we can store in a packet, given an estimate
+ * of the amount of data remaining.
+ */
+ int (*how_much_data)(struct rxrpc_call *, size_t,
+ size_t *, size_t *, size_t *);
/* impose security on a packet */
- int (*secure_packet)(struct rxrpc_call *,
- struct sk_buff *,
- size_t,
- void *);
+ int (*secure_packet)(struct rxrpc_call *, struct sk_buff *, size_t);
/* verify the security on a received packet */
int (*verify_packet)(struct rxrpc_call *, struct sk_buff *,
struct rw_semaphore defrag_sem; /* control re-enablement of IP DF bit */
struct sk_buff_head reject_queue; /* packets awaiting rejection */
struct sk_buff_head event_queue; /* endpoint event packets awaiting processing */
- struct rb_root client_conns; /* Client connections by socket params */
- spinlock_t client_conns_lock; /* Lock for client_conns */
+ struct rb_root client_bundles; /* Client connection bundles by socket params */
+ spinlock_t client_bundles_lock; /* Lock for client_bundles */
spinlock_t lock; /* access lock */
rwlock_t services_lock; /* lock for services list */
int debug_id; /* debug ID for printks */
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_IN_CLIENT_CONNS, /* Conn is in local->client_conns */
- RXRPC_CONN_EXPOSED, /* Conn has extra ref for exposure */
RXRPC_CONN_DONT_REUSE, /* Don't reuse this connection */
- RXRPC_CONN_COUNTED, /* Counted by rxrpc_nr_client_conns */
RXRPC_CONN_PROBING_FOR_UPGRADE, /* Probing for service upgrade */
RXRPC_CONN_FINAL_ACK_0, /* Need final ACK for channel 0 */
RXRPC_CONN_FINAL_ACK_1, /* Need final ACK for channel 1 */
RXRPC_CONN_EV_CHALLENGE, /* Send challenge packet */
};
-/*
- * The connection cache state.
- */
-enum rxrpc_conn_cache_state {
- RXRPC_CONN_CLIENT_INACTIVE, /* Conn is not yet listed */
- RXRPC_CONN_CLIENT_WAITING, /* Conn is on wait list, waiting for capacity */
- RXRPC_CONN_CLIENT_ACTIVE, /* Conn is on active list, doing calls */
- RXRPC_CONN_CLIENT_UPGRADE, /* Conn is on active list, probing for upgrade */
- RXRPC_CONN_CLIENT_CULLED, /* Conn is culled and delisted, doing calls */
- RXRPC_CONN_CLIENT_IDLE, /* Conn is on idle list, doing mostly nothing */
- RXRPC_CONN__NR_CACHE_STATES
-};
-
/*
* The connection protocol state.
*/
RXRPC_CONN__NR_STATES
};
+/*
+ * RxRPC client connection bundle.
+ */
+struct rxrpc_bundle {
+ struct rxrpc_conn_parameters params;
+ atomic_t usage;
+ unsigned int debug_id;
+ bool try_upgrade; /* True if the bundle is attempting upgrade */
+ bool alloc_conn; /* True if someone's getting a conn */
+ short alloc_error; /* Error from last conn allocation */
+ spinlock_t channel_lock;
+ 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 */
+ struct rxrpc_connection *conns[4]; /* The connections in the bundle (max 4) */
+};
+
/*
* RxRPC connection definition
* - matched by { local, peer, epoch, conn_id, direction }
struct rcu_head rcu;
struct list_head cache_link;
- spinlock_t channel_lock;
- unsigned char active_chans; /* Mask of active channels */
-#define RXRPC_ACTIVE_CHANS_MASK ((1 << RXRPC_MAXCALLS) - 1)
- struct list_head waiting_calls; /* Calls waiting for 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 timer_list timer; /* Conn event timer */
struct work_struct processor; /* connection event processor */
- union {
- struct rb_node client_node; /* Node in local->client_conns */
- struct rb_node service_node; /* Node in peer->service_conns */
- };
+ struct rxrpc_bundle *bundle; /* Client connection bundle */
+ struct rb_node service_node; /* Node in peer->service_conns */
struct list_head proc_link; /* link in procfs list */
struct list_head link; /* link in master connection list */
struct sk_buff_head rx_queue; /* received conn-level packets */
+
const struct rxrpc_security *security; /* applied security module */
- struct key *server_key; /* security for this service */
- struct crypto_sync_skcipher *cipher; /* encryption handle */
- struct rxrpc_crypt csum_iv; /* packet checksum base */
+ union {
+ struct {
+ struct crypto_sync_skcipher *cipher; /* encryption handle */
+ struct rxrpc_crypt csum_iv; /* packet checksum base */
+ u32 nonce; /* response re-use preventer */
+ } rxkad;
+ };
unsigned long flags;
unsigned long events;
unsigned long idle_timestamp; /* Time at which last became idle */
spinlock_t state_lock; /* state-change lock */
- enum rxrpc_conn_cache_state cache_state;
enum rxrpc_conn_proto_state state; /* current state of connection */
u32 abort_code; /* Abort code of connection abort */
int debug_id; /* debug ID for printks */
atomic_t serial; /* packet serial number counter */
unsigned int hi_serial; /* highest serial number received */
- u32 security_nonce; /* response re-use preventer */
u32 service_id; /* Service ID, possibly upgraded */
- u8 size_align; /* data size alignment (for security) */
- u8 security_size; /* security header size */
u8 security_ix; /* security type */
u8 out_clientflag; /* RXRPC_CLIENT_INITIATED if we are client */
+ u8 bundle_shift; /* Index into bundle->avail_chans */
short error; /* Local error code */
};
RXRPC_CALL_RX_HEARD, /* The peer responded at least once to this call */
RXRPC_CALL_RX_UNDERRUN, /* Got data underrun */
RXRPC_CALL_DISCONNECTED, /* The call has been disconnected */
+ RXRPC_CALL_KERNEL, /* The call was made by the kernel */
+ RXRPC_CALL_UPGRADE, /* Service upgrade was requested for the call */
};
/*
struct work_struct processor; /* Event processor */
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 list_head chan_wait_link; /* Link in conn->bundle->waiting_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 */
u32 normal; /* Max time since last call packet (msec) */
} timeouts;
u8 nr_timeouts; /* Number of timeouts specified */
+ bool kernel; /* T if kernel is making the call */
enum rxrpc_interruptibility interruptibility; /* How is interruptible is the call? */
};
/*
* conn_client.c
*/
-extern unsigned int rxrpc_max_client_connections;
extern unsigned int rxrpc_reap_client_connections;
extern unsigned long rxrpc_conn_idle_client_expiry;
extern unsigned long rxrpc_conn_idle_client_fast_expiry;
extern struct idr rxrpc_client_conn_ids;
void rxrpc_destroy_client_conn_ids(void);
+struct rxrpc_bundle *rxrpc_get_bundle(struct rxrpc_bundle *);
+void rxrpc_put_bundle(struct rxrpc_bundle *);
int rxrpc_connect_call(struct rxrpc_sock *, struct rxrpc_call *,
struct rxrpc_conn_parameters *, struct sockaddr_rxrpc *,
gfp_t);
void rxrpc_expose_client_call(struct rxrpc_call *);
-void rxrpc_disconnect_client_call(struct rxrpc_call *);
+void rxrpc_disconnect_client_call(struct rxrpc_bundle *, struct rxrpc_call *);
void rxrpc_put_client_conn(struct rxrpc_connection *);
void rxrpc_discard_expired_client_conns(struct work_struct *);
void rxrpc_destroy_all_client_connections(struct rxrpc_net *);
* conn_event.c
*/
void rxrpc_process_connection(struct work_struct *);
+void rxrpc_process_delayed_final_acks(struct rxrpc_connection *, bool);
/*
* conn_object.c
void rxrpc_kill_connection(struct rxrpc_connection *);
bool rxrpc_queue_conn(struct rxrpc_connection *);
void rxrpc_see_connection(struct rxrpc_connection *);
-void rxrpc_get_connection(struct rxrpc_connection *);
+struct rxrpc_connection *rxrpc_get_connection(struct rxrpc_connection *);
struct rxrpc_connection *rxrpc_get_connection_maybe(struct rxrpc_connection *);
void rxrpc_put_service_conn(struct rxrpc_connection *);
void rxrpc_service_connection_reaper(struct work_struct *);
struct sk_buff *);
struct rxrpc_connection *rxrpc_prealloc_service_connection(struct rxrpc_net *, gfp_t);
void rxrpc_new_incoming_connection(struct rxrpc_sock *, struct rxrpc_connection *,
- const struct rxrpc_security *, struct key *,
- struct sk_buff *);
+ const struct rxrpc_security *, struct sk_buff *);
void rxrpc_unpublish_service_conn(struct rxrpc_connection *);
/*
* key.c
*/
extern struct key_type key_type_rxrpc;
-extern struct key_type key_type_rxrpc_s;
int rxrpc_request_key(struct rxrpc_sock *, sockptr_t , int);
-int rxrpc_server_keyring(struct rxrpc_sock *, sockptr_t, int);
int rxrpc_get_server_data_key(struct rxrpc_connection *, const void *, time64_t,
u32);
* security.c
*/
int __init rxrpc_init_security(void);
+const struct rxrpc_security *rxrpc_security_lookup(u8);
void rxrpc_exit_security(void);
int rxrpc_init_client_conn_security(struct rxrpc_connection *);
-bool rxrpc_look_up_server_security(struct rxrpc_local *, struct rxrpc_sock *,
- const struct rxrpc_security **, struct key **,
- struct sk_buff *);
+const struct rxrpc_security *rxrpc_get_incoming_security(struct rxrpc_sock *,
+ struct sk_buff *);
+struct key *rxrpc_look_up_server_security(struct rxrpc_connection *,
+ struct sk_buff *, u32, u32);
/*
* sendmsg.c
*/
int rxrpc_do_sendmsg(struct rxrpc_sock *, struct msghdr *, size_t);
+/*
+ * server_key.c
+ */
+extern struct key_type key_type_rxrpc_s;
+
+int rxrpc_server_keyring(struct rxrpc_sock *, sockptr_t, int);
+
/*
* skbuff.c
*/
projects / linux-2.6-microblaze.git / blobdiff