| /* |
| * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Copyright (c) 2011, 2012, Intel Corporation. |
| * |
| * Author: Eric Barton <eric@bartonsoftware.com> |
| * |
| * 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; |
| module_param(sock_timeout, int, 0644); |
| MODULE_PARM_DESC(sock_timeout, "dead socket timeout (seconds)"); |
| |
| static int credits = 256; |
| module_param(credits, int, 0444); |
| MODULE_PARM_DESC(credits, "# concurrent sends"); |
| |
| static int peer_credits = 8; |
| module_param(peer_credits, int, 0444); |
| MODULE_PARM_DESC(peer_credits, "# concurrent sends to 1 peer"); |
| |
| static int peer_buffer_credits; |
| module_param(peer_buffer_credits, int, 0444); |
| MODULE_PARM_DESC(peer_buffer_credits, "# per-peer router buffer credits"); |
| |
| static int peer_timeout = 180; |
| module_param(peer_timeout, int, 0444); |
| MODULE_PARM_DESC(peer_timeout, "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; |
| module_param(nscheds, int, 0444); |
| MODULE_PARM_DESC(nscheds, "# scheduler daemons in each pool while starting"); |
| |
| static int nconnds = 4; |
| module_param(nconnds, int, 0444); |
| MODULE_PARM_DESC(nconnds, "# connection daemons while starting"); |
| |
| static int nconnds_max = 64; |
| module_param(nconnds_max, int, 0444); |
| MODULE_PARM_DESC(nconnds_max, "max # connection daemons"); |
| |
| static int min_reconnectms = 1000; |
| module_param(min_reconnectms, int, 0644); |
| MODULE_PARM_DESC(min_reconnectms, "min connection retry interval (mS)"); |
| |
| static int max_reconnectms = 60000; |
| module_param(max_reconnectms, int, 0644); |
| MODULE_PARM_DESC(max_reconnectms, "max connection retry interval (mS)"); |
| |
| # define DEFAULT_EAGER_ACK 0 |
| static int eager_ack = DEFAULT_EAGER_ACK; |
| module_param(eager_ack, int, 0644); |
| MODULE_PARM_DESC(eager_ack, "send tcp ack packets eagerly"); |
| |
| static int typed_conns = 1; |
| module_param(typed_conns, int, 0444); |
| MODULE_PARM_DESC(typed_conns, "use different sockets for bulk"); |
| |
| static int min_bulk = 1<<10; |
| module_param(min_bulk, int, 0644); |
| MODULE_PARM_DESC(min_bulk, "smallest 'large' message"); |
| |
| # define DEFAULT_BUFFER_SIZE 0 |
| static int tx_buffer_size = DEFAULT_BUFFER_SIZE; |
| module_param(tx_buffer_size, int, 0644); |
| MODULE_PARM_DESC(tx_buffer_size, "socket tx buffer size (0 for system default)"); |
| |
| static int rx_buffer_size = DEFAULT_BUFFER_SIZE; |
| module_param(rx_buffer_size, int, 0644); |
| MODULE_PARM_DESC(rx_buffer_size, "socket rx buffer size (0 for system default)"); |
| |
| static int nagle; |
| module_param(nagle, int, 0644); |
| MODULE_PARM_DESC(nagle, "enable NAGLE?"); |
| |
| static int round_robin = 1; |
| module_param(round_robin, int, 0644); |
| MODULE_PARM_DESC(round_robin, "Round robin for multiple interfaces"); |
| |
| static int keepalive = 30; |
| module_param(keepalive, int, 0644); |
| MODULE_PARM_DESC(keepalive, "# seconds before send keepalive"); |
| |
| static int keepalive_idle = 30; |
| module_param(keepalive_idle, int, 0644); |
| MODULE_PARM_DESC(keepalive_idle, "# idle seconds before probe"); |
| |
| #define DEFAULT_KEEPALIVE_COUNT 5 |
| static int keepalive_count = DEFAULT_KEEPALIVE_COUNT; |
| module_param(keepalive_count, int, 0644); |
| MODULE_PARM_DESC(keepalive_count, "# missed probes == dead"); |
| |
| static int keepalive_intvl = 5; |
| module_param(keepalive_intvl, int, 0644); |
| MODULE_PARM_DESC(keepalive_intvl, "seconds between probes"); |
| |
| static int enable_csum; |
| module_param(enable_csum, int, 0644); |
| MODULE_PARM_DESC(enable_csum, "enable check sum"); |
| |
| static int inject_csum_error; |
| module_param(inject_csum_error, int, 0644); |
| MODULE_PARM_DESC(inject_csum_error, "set non-zero to inject a checksum error"); |
| |
| static int nonblk_zcack = 1; |
| module_param(nonblk_zcack, int, 0644); |
| MODULE_PARM_DESC(nonblk_zcack, "always send ZC-ACK on non-blocking connection"); |
| |
| static unsigned int zc_min_payload = 16 << 10; |
| module_param(zc_min_payload, int, 0644); |
| MODULE_PARM_DESC(zc_min_payload, "minimum payload size to zero copy"); |
| |
| static unsigned int zc_recv; |
| module_param(zc_recv, int, 0644); |
| MODULE_PARM_DESC(zc_recv, "enable ZC recv for Chelsio driver"); |
| |
| static unsigned int zc_recv_min_nfrags = 16; |
| module_param(zc_recv_min_nfrags, int, 0644); |
| MODULE_PARM_DESC(zc_recv_min_nfrags, "minimum # of fragments to enable ZC recv"); |
| |
| #if SOCKNAL_VERSION_DEBUG |
| static int protocol = 3; |
| module_param(protocol, int, 0644); |
| MODULE_PARM_DESC(protocol, "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_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_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; |
| |
| #if SOCKNAL_VERSION_DEBUG |
| ksocknal_tunables.ksnd_protocol = &protocol; |
| #endif |
| |
| if (*ksocknal_tunables.ksnd_zc_min_payload < (2 << 10)) |
| *ksocknal_tunables.ksnd_zc_min_payload = 2 << 10; |
| |
| return 0; |
| }; |
