/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * * Copyright 2008 Sun Microsystems, Inc. All rights reserved * * Author: Eric Barton * * Portals is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * * Portals is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Portals; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "socklnd.h" static int sock_timeout = 50; CFS_MODULE_PARM(sock_timeout, "i", int, 0644, "dead socket timeout (seconds)"); static int credits = 256; CFS_MODULE_PARM(credits, "i", int, 0444, "# concurrent sends"); static int peer_credits = 8; 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"); static int min_reconnectms = 1000; CFS_MODULE_PARM(min_reconnectms, "i", int, 0644, "min connection retry interval (mS)"); static int max_reconnectms = 60000; CFS_MODULE_PARM(max_reconnectms, "i", int, 0644, "max connection retry interval (mS)"); #if defined(__APPLE__) && !defined(__DARWIN8__) # define DEFAULT_EAGER_ACK 1 #else # define DEFAULT_EAGER_ACK 0 #endif static int eager_ack = DEFAULT_EAGER_ACK; CFS_MODULE_PARM(eager_ack, "i", int, 0644, "send tcp ack packets eagerly"); static int typed_conns = 1; CFS_MODULE_PARM(typed_conns, "i", int, 0444, "use different sockets for bulk"); static int min_bulk = (1<<10); CFS_MODULE_PARM(min_bulk, "i", int, 0644, "smallest 'large' message"); #ifdef __APPLE__ # ifdef __DARWIN8__ # define DEFAULT_BUFFER_SIZE (224*1024) # else # define DEFAULT_BUFFER_SIZE (1152 * 1024) # endif #else # define DEFAULT_BUFFER_SIZE 0 #endif static int tx_buffer_size = DEFAULT_BUFFER_SIZE; CFS_MODULE_PARM(tx_buffer_size, "i", int, 0644, "socket tx buffer size (0 for system default)"); static int rx_buffer_size = DEFAULT_BUFFER_SIZE; CFS_MODULE_PARM(rx_buffer_size, "i", int, 0644, "socket rx buffer size (0 for system default)"); static int nagle = 0; 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"); #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"); static int keepalive_intvl = 5; CFS_MODULE_PARM(keepalive_intvl, "i", int, 0644, "seconds between probes"); static int enable_csum = 0; CFS_MODULE_PARM(enable_csum, "i", int, 0644, "enable check sum"); static int inject_csum_error = 0; CFS_MODULE_PARM(inject_csum_error, "i", int, 0644, "set non-zero to inject a checksum error"); #ifdef CPU_AFFINITY static int enable_irq_affinity = 0; CFS_MODULE_PARM(enable_irq_affinity, "i", int, 0644, "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"); 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; CFS_MODULE_PARM(backoff_init, "i", int, 0644, "seconds for initial tcp backoff"); static int backoff_max = 3; CFS_MODULE_PARM(backoff_max, "i", int, 0644, "seconds for maximum tcp backoff"); #endif #if SOCKNAL_VERSION_DEBUG static int protocol = 3; CFS_MODULE_PARM(protocol, "i", int, 0644, "protocol version"); #endif 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 ksocknal_tunables.ksnd_irq_affinity = &enable_irq_affinity; #endif #ifdef SOCKNAL_BACKOFF ksocknal_tunables.ksnd_backoff_init = &backoff_init; ksocknal_tunables.ksnd_backoff_max = &backoff_max; #endif #if SOCKNAL_VERSION_DEBUG 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(); }