CFS_MODULE_PARM(peer_credits, "i", int, 0444,
"# concurrent sends to 1 peer");
+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)");
+
static int nconnds = 4;
CFS_MODULE_PARM(nconnds, "i", int, 0444,
"# connection daemons");
CFS_MODULE_PARM(nagle, "i", int, 0644,
"enable NAGLE?");
+static int round_robin = 1;
+CFS_MODULE_PARM(round_robin, "i", int, 0644,
+ "Round robin for multiple interfaces");
+
+static int keepalive = 30;
+CFS_MODULE_PARM(keepalive, "i", int, 0644,
+ "# seconds before send keepalive");
+
static int keepalive_idle = 30;
CFS_MODULE_PARM(keepalive_idle, "i", int, 0644,
"# idle seconds before probe");
"enable IRQ affinity");
#endif
-static unsigned int zc_min_frag = (2<<10);
-CFS_MODULE_PARM(zc_min_frag, "i", int, 0644,
- "minimum fragment to zero copy");
+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");
+
+static unsigned int zc_recv = 0;
+CFS_MODULE_PARM(zc_recv, "i", int, 0644,
+ "enable ZC recv for Chelsio driver");
+
+static unsigned int zc_recv_min_nfrags = 16;
+CFS_MODULE_PARM(zc_recv_min_nfrags, "i", int, 0644,
+ "minimum # of fragments to enable ZC recv");
#ifdef SOCKNAL_BACKOFF
static int backoff_init = 3;
#endif
#if SOCKNAL_VERSION_DEBUG
-static int protocol = 2;
+static int protocol = 3;
CFS_MODULE_PARM(protocol, "i", int, 0644,
"protocol version");
#endif
-ksock_tunables_t ksocknal_tunables = {
- .ksnd_timeout = &sock_timeout,
- .ksnd_credits = &credits,
- .ksnd_peercredits = &peer_credits,
- .ksnd_nconnds = &nconnds,
- .ksnd_min_reconnectms = &min_reconnectms,
- .ksnd_max_reconnectms = &max_reconnectms,
- .ksnd_eager_ack = &eager_ack,
- .ksnd_typed_conns = &typed_conns,
- .ksnd_min_bulk = &min_bulk,
- .ksnd_tx_buffer_size = &tx_buffer_size,
- .ksnd_rx_buffer_size = &rx_buffer_size,
- .ksnd_nagle = &nagle,
- .ksnd_keepalive_idle = &keepalive_idle,
- .ksnd_keepalive_count = &keepalive_count,
- .ksnd_keepalive_intvl = &keepalive_intvl,
- .ksnd_enable_csum = &enable_csum,
- .ksnd_inject_csum_error = &inject_csum_error,
- .ksnd_zc_min_frag = &zc_min_frag,
+ksock_tunables_t ksocknal_tunables;
+
+int ksocknal_tunables_init(void)
+{
+
+ /* initialize ksocknal_tunables structure */
+ ksocknal_tunables.ksnd_timeout = &sock_timeout;
+ ksocknal_tunables.ksnd_nconnds = &nconnds;
+ ksocknal_tunables.ksnd_min_reconnectms = &min_reconnectms;
+ ksocknal_tunables.ksnd_max_reconnectms = &max_reconnectms;
+ ksocknal_tunables.ksnd_eager_ack = &eager_ack;
+ ksocknal_tunables.ksnd_typed_conns = &typed_conns;
+ ksocknal_tunables.ksnd_min_bulk = &min_bulk;
+ ksocknal_tunables.ksnd_tx_buffer_size = &tx_buffer_size;
+ ksocknal_tunables.ksnd_rx_buffer_size = &rx_buffer_size;
+ ksocknal_tunables.ksnd_nagle = &nagle;
+ ksocknal_tunables.ksnd_round_robin = &round_robin;
+ ksocknal_tunables.ksnd_keepalive = &keepalive;
+ ksocknal_tunables.ksnd_keepalive_idle = &keepalive_idle;
+ ksocknal_tunables.ksnd_keepalive_count = &keepalive_count;
+ ksocknal_tunables.ksnd_keepalive_intvl = &keepalive_intvl;
+ ksocknal_tunables.ksnd_credits = &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
- .ksnd_irq_affinity = &enable_irq_affinity,
+ ksocknal_tunables.ksnd_irq_affinity = &enable_irq_affinity;
#endif
+
#ifdef SOCKNAL_BACKOFF
- .ksnd_backoff_init = &backoff_init,
- .ksnd_backoff_max = &backoff_max,
+ ksocknal_tunables.ksnd_backoff_init = &backoff_init;
+ ksocknal_tunables.ksnd_backoff_max = &backoff_max;
#endif
+
#if SOCKNAL_VERSION_DEBUG
- .ksnd_protocol = &protocol,
+ ksocknal_tunables.ksnd_protocol = &protocol;
#endif
+
+#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
+ ksocknal_tunables.ksnd_sysctl = NULL;
+#endif
+
+ if (*ksocknal_tunables.ksnd_zc_min_payload < (2 << 10))
+ *ksocknal_tunables.ksnd_zc_min_payload = (2 << 10);
+
+ /* initialize platform-sepcific tunables */
+ return ksocknal_lib_tunables_init();
};
+void ksocknal_tunables_fini(void)
+{
+ ksocknal_lib_tunables_fini();
+}