/*
* 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
* Normally we wait and send a hard ack when the receiver consumes the packet */
EXT struct clock rx_softAckDelay;
-/* Variable to allow introduction of network unreliability */
-#ifdef RXDEBUG
+#if defined(RXDEBUG) || defined(AFS_NT40_ENV)
+/* Variable to allow introduction of network unreliability; exported from libafsrpc */
EXT int rx_intentionallyDroppedPacketsPer100 GLOBALSINIT(0); /* Dropped on Send */
EXT int rx_intentionallyDroppedOnReadPer100 GLOBALSINIT(0); /* Dropped on Read */
#endif
/*
* Variables to control RX overload management. When the number of calls
* waiting for a thread exceed the threshold, new calls are aborted
- * with the busy error.
+ * with the busy error.
*/
EXT int rx_BusyThreshold GLOBALSINIT(-1); /* default is disabled */
EXT int rx_BusyError GLOBALSINIT(-1);
#define RX_REAP_TIME 60 /* Check for tossable connections every 60 seconds */
#endif
-#define RX_FAST_ACK_RATE 1 /* as of 3.4, ask for an ack every
+#define RX_FAST_ACK_RATE 1 /* as of 3.4, ask for an ack every
* other packet. */
-EXT int rx_minPeerTimeout GLOBALSINIT(350); /* in milliseconds */
+EXT int rx_minPeerTimeout GLOBALSINIT(2); /* in milliseconds */
EXT int rx_minWindow GLOBALSINIT(1);
EXT int rx_maxWindow GLOBALSINIT(65535); /* twind is u_short */
EXT int rx_initReceiveWindow GLOBALSINIT(16); /* how much to accept */
struct rx_queue queue;
int len; /* local queue length */
int delta; /* number of new packets alloc'd locally since last sync w/ global queue */
-
+
/* FPQ stats */
int checkin_ops;
int checkin_xfer;
* in which the first tier is thread-specific, and the second tier is
* a global free packet queue */
EXT struct rx_queue rx_freePacketQueue;
+#ifdef RX_TRACK_PACKETS
#define RX_FPQ_MARK_FREE(p) \
do { \
if ((p)->flags & RX_PKTFLAG_FREE) \
(p)->flags = 0; /* clear RX_PKTFLAG_FREE, initialize the rest */ \
(p)->header.flags = 0; \
} while(0)
+#else
+#define RX_FPQ_MARK_FREE(p) \
+ do { \
+ (p)->length = 0; \
+ (p)->niovecs = 0; \
+ } while(0)
+#define RX_FPQ_MARK_USED(p) \
+ do { \
+ (p)->flags = 0; /* clear RX_PKTFLAG_FREE, initialize the rest */ \
+ (p)->header.flags = 0; \
+ } while(0)
+#endif
#define RX_PACKET_IOV_INIT(p) \
do { \
(p)->wirevec[0].iov_base = (char *)((p)->wirehead); \
EXT int rx_TSFPQGlobSize GLOBALSINIT(3); /* number of packets to transfer between global and local queues in one op */
EXT int rx_TSFPQLocalMax GLOBALSINIT(15); /* max number of packets on local FPQ before returning a glob to the global pool */
EXT int rx_TSFPQMaxProcs GLOBALSINIT(0); /* max number of threads expected */
-EXT void rxi_MorePacketsTSFPQ(int apackets, int flush_global, int num_keep_local); /* more flexible packet alloc function */
-EXT void rxi_AdjustLocalPacketsTSFPQ(int num_keep_local, int allow_overcommit); /* adjust thread-local queue length, for places where we know how many packets we will need a priori */
-EXT void rxi_FlushLocalPacketsTSFPQ(void); /* flush all thread-local packets to global queue */
#define RX_TS_FPQ_FLUSH_GLOBAL 1
#define RX_TS_FPQ_PULL_GLOBAL 1
#define RX_TS_FPQ_ALLOW_OVERCOMMIT 1
* also set minimum values of 15 and 3. Given the algorithms, the number of buffers allocated
* by each call to AllocPacketBufs() will increase indefinitely without a cap on the transfer
* glob size. A cap of 64 is selected because that will produce an allocation of greater than
- * three times that amount which is greater than half of ncalls * maxReceiveWindow.
+ * three times that amount which is greater than half of ncalls * maxReceiveWindow.
* Must be called under rx_packets_mutex.
*/
#define RX_TS_FPQ_COMPUTE_LIMITS \
rx_TSFPQLocalMax = newmax; \
rx_TSFPQGlobSize = newglob; \
} while(0)
-/* record the number of packets allocated by this thread
+/* record the number of packets allocated by this thread
* and stored in the thread local queue */
#define RX_TS_FPQ_LOCAL_ALLOC(rx_ts_info_p,num_alloc) \
do { \
(rx_ts_info_p)->_FPQ.lalloc_ops++; \
(rx_ts_info_p)->_FPQ.lalloc_xfer += num_alloc; \
} while (0)
-/* record the number of packets allocated by this thread
+/* record the number of packets allocated by this thread
* and stored in the global queue */
#define RX_TS_FPQ_GLOBAL_ALLOC(rx_ts_info_p,num_alloc) \
do { \
(rx_ts_info_p)->_FPQ.checkin_xfer++; \
} while(0)
/* check multiple packets into the thread-specific free packet queue */
-/* num_transfer must equal length of (q); it is not a means of checking
- * in part of (q). passing num_transfer just saves us instructions
+/* num_transfer must equal length of (q); it is not a means of checking
+ * in part of (q). passing num_transfer just saves us instructions
* since caller already knows length of (q) for other reasons */
#define RX_TS_FPQ_QCHECKIN(rx_ts_info_p,num_transfer,q) \
do { \
#define rxi_KeepAliveOff(call) rxevent_Cancel((call)->keepAliveEvent, call, RX_CALL_REFCOUNT_ALIVE)
#define rxi_NatKeepAliveOff(conn) rxevent_Cancel((conn)->natKeepAliveEvent, (struct rx_call*)0, 0)
-#define rxi_AllocSecurityObject() (struct rx_securityClass *) rxi_Alloc(sizeof(struct rx_securityClass))
+#define rxi_AllocSecurityObject() rxi_Alloc(sizeof(struct rx_securityClass))
#define rxi_FreeSecurityObject(obj) rxi_Free(obj, sizeof(struct rx_securityClass))
-#define rxi_AllocService() (struct rx_service *) rxi_Alloc(sizeof(struct rx_service))
-#define rxi_FreeService(obj) rxi_Free(obj, sizeof(struct rx_service))
-#define rxi_AllocPeer() (struct rx_peer *) rxi_Alloc(sizeof(struct rx_peer))
+#define rxi_AllocService() rxi_Alloc(sizeof(struct rx_service))
+#define rxi_FreeService(obj) \
+do { \
+ MUTEX_DESTROY(&(obj)->svc_data_lock); \
+ rxi_Free((obj), sizeof(struct rx_service)); \
+} while (0)
+#define rxi_AllocPeer() rxi_Alloc(sizeof(struct rx_peer))
#define rxi_FreePeer(peer) rxi_Free(peer, sizeof(struct rx_peer))
-#define rxi_AllocConnection() (struct rx_connection *) rxi_Alloc(sizeof(struct rx_connection))
+#define rxi_AllocConnection() rxi_Alloc(sizeof(struct rx_connection))
#define rxi_FreeConnection(conn) (rxi_Free(conn, sizeof(struct rx_connection)))
EXT afs_int32 rx_stats_active GLOBALSINIT(1); /* boolean - rx statistics gathering */
#define dpf(args) FSLog args
#else
#define dpf(args) do { if (rx_debugFile) rxi_DebugPrint args; } while (0)
-#endif
+#endif
#endif
#define rx_Log_event rxevent_debugFile
-
-EXT char *rx_packetTypes[RX_N_PACKET_TYPES] GLOBALSINIT(RX_PACKET_TYPES); /* Strings defined in rx.h */
#else
#define dpf(args)
#endif /* RXDEBUG */
+EXT char *rx_packetTypes[RX_N_PACKET_TYPES] GLOBALSINIT(RX_PACKET_TYPES); /* Strings defined in rx.h */
+
#ifndef KERNEL
/*
* Counter used to implement connection specific data
#if defined(AFS_PTHREAD_ENV)
EXT int rxi_fcfs_thread_num GLOBALSINIT(0);
EXT pthread_key_t rx_thread_id_key;
-/* keep track of pthread numbers - protected by rx_stats_mutex,
+/* keep track of pthread numbers - protected by rx_stats_mutex,
* except in rx_Init() before mutex exists! */
EXT int rxi_pthread_hinum GLOBALSINIT(0);
#else