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110 lines
3.4 KiB
110 lines
3.4 KiB
/* |
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* Copyright (c) 2006 Oracle. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/sysctl.h> |
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#include <linux/proc_fs.h> |
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#include "rds.h" |
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static struct ctl_table_header *rds_sysctl_reg_table; |
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static unsigned long rds_sysctl_reconnect_min = 1; |
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static unsigned long rds_sysctl_reconnect_max = ~0UL; |
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unsigned long rds_sysctl_reconnect_min_jiffies; |
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unsigned long rds_sysctl_reconnect_max_jiffies = HZ; |
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unsigned int rds_sysctl_max_unacked_packets = 8; |
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unsigned int rds_sysctl_max_unacked_bytes = (16 << 20); |
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unsigned int rds_sysctl_ping_enable = 1; |
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static struct ctl_table rds_sysctl_rds_table[] = { |
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{ |
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.procname = "reconnect_min_delay_ms", |
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.data = &rds_sysctl_reconnect_min_jiffies, |
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.maxlen = sizeof(unsigned long), |
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.mode = 0644, |
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.proc_handler = proc_doulongvec_ms_jiffies_minmax, |
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.extra1 = &rds_sysctl_reconnect_min, |
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.extra2 = &rds_sysctl_reconnect_max_jiffies, |
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}, |
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{ |
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.procname = "reconnect_max_delay_ms", |
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.data = &rds_sysctl_reconnect_max_jiffies, |
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.maxlen = sizeof(unsigned long), |
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.mode = 0644, |
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.proc_handler = proc_doulongvec_ms_jiffies_minmax, |
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.extra1 = &rds_sysctl_reconnect_min_jiffies, |
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.extra2 = &rds_sysctl_reconnect_max, |
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}, |
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{ |
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.procname = "max_unacked_packets", |
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.data = &rds_sysctl_max_unacked_packets, |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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{ |
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.procname = "max_unacked_bytes", |
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.data = &rds_sysctl_max_unacked_bytes, |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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{ |
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.procname = "ping_enable", |
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.data = &rds_sysctl_ping_enable, |
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.maxlen = sizeof(int), |
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.mode = 0644, |
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.proc_handler = proc_dointvec, |
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}, |
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{ } |
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}; |
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void rds_sysctl_exit(void) |
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{ |
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unregister_net_sysctl_table(rds_sysctl_reg_table); |
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} |
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int rds_sysctl_init(void) |
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{ |
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rds_sysctl_reconnect_min = msecs_to_jiffies(1); |
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rds_sysctl_reconnect_min_jiffies = rds_sysctl_reconnect_min; |
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rds_sysctl_reg_table = |
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register_net_sysctl(&init_net, "net/rds", rds_sysctl_rds_table); |
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if (!rds_sysctl_reg_table) |
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return -ENOMEM; |
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return 0; |
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}
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