/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
#define rx_SecurityClassOf(conn) ((conn)->securityIndex)
#define rx_SecurityObjectOf(conn) ((conn)->securityObject)
+static_inline int
+rx_IsLoopbackAddr(afs_uint32 addr)
+{
+ return ((addr & 0xffff0000) == 0x7f000000);
+}
+
/*******************
* Macros callable by the user to further define attributes of a
* service. Must be called before rx_StartServer
/* Set the overload threshold and the overload error */
#define rx_SetBusyThreshold(threshold, code) (rx_BusyThreshold=(threshold),rx_BusyError=(code))
+/* Set the error to use for retrying a connection during MTU tuning */
+#define rx_SetMsgsizeRetryErr(conn, err) ((conn)->msgsizeRetryErr = (err))
+
/* If this flag is set,no new requests are processed by rx, all new requests are
returned with an error code of RX_CALL_DEAD ( transient error ) */
#define rx_SetRxTranquil() (rx_tranquil = 1)
#define rx_PutConnection(conn) rx_DestroyConnection(conn)
-/* A connection is an authenticated communication path, allowing
+/* A connection is an authenticated communication path, allowing
limited multiple asynchronous conversations. */
#ifdef KDUMP_RX_LOCK
struct rx_connection_rx_lock {
afs_uint32 serial; /* Next outgoing packet serial number */
afs_uint32 lastSerial; /* # of last packet received, for computing skew */
afs_int32 maxSerial; /* largest serial number seen on incoming packets */
-/* afs_int32 maxPacketSize; max packet size should be per-connection since */
- /* peer process could be restarted on us. Includes RX Header. */
+ afs_int32 lastPacketSize; /* last >max attempt */
+ afs_int32 lastPacketSizeSeq; /* seq number of attempt */
+ afs_int32 lastPingSize; /* last MTU ping attempt */
+ afs_int32 lastPingSizeSer; /* serial of last MTU ping attempt */
struct rxevent *challengeEvent; /* Scheduled when the server is challenging a */
struct rxevent *delayedAbortEvent; /* Scheduled to throttle looping client */
struct rxevent *checkReachEvent; /* Scheduled when checking reachability */
struct rx_service *service; /* used by servers only */
u_short serviceId; /* To stamp on requests (clients only) */
afs_uint32 refCount; /* Reference count */
- u_char flags; /* Defined below */
+ u_char flags; /* Defined below - (conn_data_lock) */
u_char type; /* Type of connection, defined below */
u_char secondsUntilPing; /* how often to ping for each active call */
u_char securityIndex; /* corresponds to the security class of the */
u_char ackRate; /* how many packets between ack requests */
u_char makeCallWaiters; /* how many rx_NewCalls are waiting */
afs_int32 idleDeadErr;
+ afs_int32 secondsUntilNatPing; /* how often to ping conn */
+ struct rxevent *natKeepAliveEvent; /* Scheduled to keep connection open */
+ afs_int32 msgsizeRetryErr;
int nSpecific; /* number entries in specific data */
void **specific; /* pointer to connection specific data */
};
u_short idleDeadTime; /* Time a server will wait for I/O to start up again */
u_char checkReach; /* Check for asymmetric clients? */
afs_int32 idleDeadErr;
+ int nSpecific; /* number entries in specific data */
+ void **specific; /* pointer to connection specific data */
+#ifdef RX_ENABLE_LOCKS
+ afs_kmutex_t svc_data_lock; /* protect specific data */
+#endif
+
};
#endif /* KDUMP_RX_LOCK */
int rtt; /* Smoothed round trip time, measured in milliseconds/8 */
int rtt_dev; /* Smoothed rtt mean difference, in milliseconds/4 */
struct clock timeout; /* Current retransmission delay */
+ int backedOff; /* Has the timeout been backed off due to a missing packet? */
int nSent; /* Total number of distinct data packets sent, not including retransmissions */
int reSends; /* Total number of retransmissions for this peer, since this structure was created */
afs_hyper_t bytesReceived; /* Number of bytes received from this peer */
struct rx_queue rpcStats; /* rpc statistic list */
int lastReachTime; /* Last time we verified reachability */
+ afs_int32 maxPacketSize; /* peer packetsize hint */
+
+#ifdef ADAPT_WINDOW
+ afs_int32 smRtt;
+ afs_int32 countDown;
+#endif
};
#ifndef KDUMP_RX_LOCK
/* Flag bits for connection structure */
-#define RX_CONN_MAKECALL_WAITING 1 /* rx_MakeCall is waiting for a channel */
+#define RX_CONN_MAKECALL_WAITING 1 /* rx_NewCall is waiting for a channel */
#define RX_CONN_DESTROY_ME 2 /* Destroy *client* connection after last call */
#define RX_CONN_USING_PACKET_CKSUM 4 /* non-zero header.spare field seen */
#define RX_CONN_KNOW_WINDOW 8 /* window size negotiation works */
#define RX_CONN_RESET 16 /* connection is reset, remove */
#define RX_CONN_BUSY 32 /* connection is busy; don't delete */
#define RX_CONN_ATTACHWAIT 64 /* attach waiting for peer->lastReach */
+#define RX_CONN_MAKECALL_ACTIVE 128 /* a thread is actively in rx_NewCall */
/* Type of connection, client or server */
#define RX_CLIENT_CONNECTION 0
* The following fields are accessed while the call is unlocked.
* These fields are used by the caller/server thread to marshall
* and unmarshall RPC data. The only time they may be changed by
- * other threads is when the RX_CALL_IOVEC_WAIT flag is set.
- *
+ * other threads is when the RX_CALL_IOVEC_WAIT flag is set.
+ *
* NOTE: Be sure that these fields start and end on a double
* word boundary. Otherwise threads that are changing
* adjacent fields will cause problems.
struct rxevent *resendEvent; /* If this is non-Null, there is a retransmission event pending */
struct rxevent *timeoutEvent; /* If this is non-Null, then there is an overall timeout for this call */
struct rxevent *keepAliveEvent; /* Scheduled periodically in active calls to keep call alive */
+ struct rxevent *growMTUEvent; /* Scheduled periodically in active calls to discover true maximum MTU */
struct rxevent *delayedAckEvent; /* Scheduled after all packets are received to send an ack if a reply or new call is not generated soon */
struct rxevent *delayedAbortEvent; /* Scheduled to throttle looping client */
int abortCode; /* error code from last RPC */
short refCDebug[RX_CALL_REFCOUNT_MAX];
#endif /* RX_REFCOUNT_CHECK */
- /*
+ /*
* iov, iovNBytes, iovMax, and iovNext are set in rxi_ReadvProc()
* and adjusted by rxi_FillReadVec(). iov does not own the buffers
* it refers to. The buffers belong to the packets stored in iovq.
afs_hyper_t bytesRcvd; /* Number bytes received */
u_short tqWaiters;
+#ifdef ADAPT_WINDOW
+ struct clock pingRequestTime;
+#endif
#ifdef RXDEBUG_PACKET
u_short tqc; /* packet count in tq */
u_short rqc; /* packet count in rq */
#define RX_STATE_ACTIVE 2 /* An active call; a process is dealing with this call */
#define RX_STATE_DALLY 3 /* Dallying after process is done with call */
#define RX_STATE_HOLD 4 /* Waiting for acks on reply data packets */
+#define RX_STATE_RESET 5 /* Call is being reset */
/* Call modes: the modes of a call in RX_STATE_ACTIVE state (process attached) */
#define RX_MODE_SENDING 1 /* Sending or ready to send */
#define RX_ACK_PING 6 /* This is a keep-alive ack */
#define RX_ACK_PING_RESPONSE 7 /* Ack'ing because we were pinged */
#define RX_ACK_DELAY 8 /* Ack generated since nothing has happened since receiving packet */
-#define RX_ACK_IDLE 9 /* Similar to RX_ACK_DELAY, but can
+#define RX_ACK_IDLE 9 /* Similar to RX_ACK_DELAY, but can
* be used to compute RTT */
+#define RX_ACK_MTU -1 /* will be rewritten to ACK_PING */
/* Packet acknowledgement type */
#define RX_ACK_TYPE_NACK 0 /* I Don't have this packet */
/* this shud be equal to VRESTARTING ( util/errors.h ) for old clients to work */
#define RX_RESTARTING (-100)
+typedef enum {
+ RX_SECIDX_NULL = 0,
+ RX_SECIDX_KAD = 2,
+ RX_SECIDX_GK = 4,
+ RX_SECIDX_K5 = 5,
+} rx_securityIndex;
+
struct rx_securityObjectStats {
char type; /* 0:unk 1:null,2:vab 3:kad */
char level;
/* Configuration settings */
-/* Enum for storing configuration variables which can be set via the
+/* Enum for storing configuration variables which can be set via the
* SetConfiguration method in the rx_securityClass, below
*/
};
struct rx_debugConn_vL {
- afs_int32 host;
+ afs_uint32 host;
afs_int32 cid;
afs_int32 serial;
afs_int32 callNumber[RX_MAXCALLS];
};
struct rx_debugConn {
- afs_int32 host;
+ afs_uint32 host;
afs_int32 cid;
afs_int32 serial;
afs_int32 callNumber[RX_MAXCALLS];
#ifdef AFS_NT40_ENV
extern int rx_DumpCalls(FILE *outputFile, char *cookie);
-
-#define rx_MutexIncrement(object, mutex) InterlockedIncrement(&object)
-#define rx_MutexAdd(object, addend, mutex) InterlockedExchangeAdd(&object, addend)
-#define rx_MutexDecrement(object, mutex) InterlockedDecrement(&object)
-#define rx_MutexAdd1Increment2(object1, addend, object2, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object1 += addend; \
- InterlockedIncrement(&object2); \
- MUTEX_EXIT(&mutex); \
- } while (0)
-#define rx_MutexAdd1Decrement2(object1, addend, object2, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object1 += addend; \
- InterlockedDecrement(&object2); \
- MUTEX_EXIT(&mutex); \
- } while (0)
-#else
-#define rx_MutexIncrement(object, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object++; \
- MUTEX_EXIT(&mutex); \
- } while(0)
-#define rx_MutexAdd(object, addend, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object += addend; \
- MUTEX_EXIT(&mutex); \
- } while(0)
-#define rx_MutexAdd1Increment2(object1, addend, object2, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object1 += addend; \
- object2++; \
- MUTEX_EXIT(&mutex); \
- } while(0)
-#define rx_MutexAdd1Decrement2(object1, addend, object2, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object1 += addend; \
- object2--; \
- MUTEX_EXIT(&mutex); \
- } while(0)
-#define rx_MutexDecrement(object, mutex) \
- do { \
- MUTEX_ENTER(&mutex); \
- object--; \
- MUTEX_EXIT(&mutex); \
- } while(0)
-#endif
+#endif
#endif /* _RX_ End of rx.h */
git://git.openafs.org / openafs.git / blobdiff