-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2011, 2012, Intel Corporation.
*
* Author: Eric Barton <eric@bartonsoftware.com>
*
CFS_MODULE_PARM(peer_credits, "i", int, 0444,
"# concurrent sends to 1 peer");
-static int peer_timeout = 0;
+static int peer_buffer_credits = 0;
+CFS_MODULE_PARM(peer_buffer_credits, "i", int, 0444,
+ "# per-peer router buffer credits");
+
+static int peer_timeout = 180;
CFS_MODULE_PARM(peer_timeout, "i", int, 0444,
"Seconds without aliveness news to declare peer dead (<=0 to disable)");
+/* Number of daemons in each thread pool which is percpt,
+ * we will estimate reasonable value based on CPUs if it's not set. */
+static unsigned int nscheds;
+CFS_MODULE_PARM(nscheds, "i", int, 0444,
+ "# scheduler daemons in each pool while starting");
+
static int nconnds = 4;
CFS_MODULE_PARM(nconnds, "i", int, 0444,
- "# connection daemons");
+ "# connection daemons while starting");
+
+static int nconnds_max = 64;
+CFS_MODULE_PARM(nconnds_max, "i", int, 0444,
+ "max # connection daemons");
static int min_reconnectms = 1000;
CFS_MODULE_PARM(min_reconnectms, "i", int, 0644,
CFS_MODULE_PARM(keepalive_idle, "i", int, 0644,
"# idle seconds before probe");
-#ifdef HAVE_BGL_SUPPORT
-#define DEFAULT_KEEPALIVE_COUNT 100
-#else
#define DEFAULT_KEEPALIVE_COUNT 5
-#endif
static int keepalive_count = DEFAULT_KEEPALIVE_COUNT;
CFS_MODULE_PARM(keepalive_count, "i", int, 0644,
"# missed probes == dead");
"enable IRQ affinity");
#endif
+static int nonblk_zcack = 1;
+CFS_MODULE_PARM(nonblk_zcack, "i", int, 0644,
+ "always send ZC-ACK on non-blocking connection");
+
static unsigned int zc_min_payload = (16 << 10);
CFS_MODULE_PARM(zc_min_payload, "i", int, 0644,
"minimum payload size to zero copy");
/* initialize ksocknal_tunables structure */
ksocknal_tunables.ksnd_timeout = &sock_timeout;
+ ksocknal_tunables.ksnd_nscheds = &nscheds;
ksocknal_tunables.ksnd_nconnds = &nconnds;
+ ksocknal_tunables.ksnd_nconnds_max = &nconnds_max;
ksocknal_tunables.ksnd_min_reconnectms = &min_reconnectms;
ksocknal_tunables.ksnd_max_reconnectms = &max_reconnectms;
ksocknal_tunables.ksnd_eager_ack = &eager_ack;
ksocknal_tunables.ksnd_keepalive_count = &keepalive_count;
ksocknal_tunables.ksnd_keepalive_intvl = &keepalive_intvl;
ksocknal_tunables.ksnd_credits = &credits;
- ksocknal_tunables.ksnd_peercredits = &peer_credits;
+ ksocknal_tunables.ksnd_peertxcredits = &peer_credits;
+ ksocknal_tunables.ksnd_peerrtrcredits = &peer_buffer_credits;
ksocknal_tunables.ksnd_peertimeout = &peer_timeout;
ksocknal_tunables.ksnd_enable_csum = &enable_csum;
ksocknal_tunables.ksnd_inject_csum_error = &inject_csum_error;
+ ksocknal_tunables.ksnd_nonblk_zcack = &nonblk_zcack;
ksocknal_tunables.ksnd_zc_min_payload = &zc_min_payload;
ksocknal_tunables.ksnd_zc_recv = &zc_recv;
ksocknal_tunables.ksnd_zc_recv_min_nfrags = &zc_recv_min_nfrags;
#ifdef CPU_AFFINITY
+ if (enable_irq_affinity) {
+ CWARN("irq_affinity is removed from socklnd because modern "
+ "computer always has fast CPUs and more cores than "
+ "# NICs, although you still can set irq_affinity by "
+ "another way, please check manual for details.\n");
+ }
ksocknal_tunables.ksnd_irq_affinity = &enable_irq_affinity;
#endif