From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/net/sctp/sysctl.c | 111 +++++++++++++++++++++++++++----------------------------
1 files changed, 55 insertions(+), 56 deletions(-)
diff --git a/kernel/net/sctp/sysctl.c b/kernel/net/sctp/sysctl.c
index 33ca5b7..c16c809 100644
--- a/kernel/net/sctp/sysctl.c
+++ b/kernel/net/sctp/sysctl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* SCTP kernel implementation
* (C) Copyright IBM Corp. 2002, 2004
* Copyright (c) 2002 Intel Corp.
@@ -5,22 +6,6 @@
* This file is part of the SCTP kernel implementation
*
* Sysctl related interfaces for SCTP.
- *
- * This SCTP implementation is free software;
- * you can redistribute it and/or modify it under the terms of
- * the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This SCTP implementation 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 GNU CC; see the file COPYING. If not, see
- * <http://www.gnu.org/licenses/>.
*
* Please send any bug reports or fixes you make to the
* email address(es):
@@ -40,10 +25,7 @@
#include <net/sctp/sctp.h>
#include <linux/sysctl.h>
-static int zero = 0;
-static int one = 1;
static int timer_max = 86400000; /* ms in one day */
-static int int_max = INT_MAX;
static int sack_timer_min = 1;
static int sack_timer_max = 500;
static int addr_scope_max = SCTP_SCOPE_POLICY_MAX;
@@ -52,6 +34,8 @@
static int rto_beta_min = 0;
static int rto_alpha_max = 1000;
static int rto_beta_max = 1000;
+static int pf_expose_max = SCTP_PF_EXPOSE_MAX;
+static int ps_retrans_max = SCTP_PS_RETRANS_MAX;
static unsigned long max_autoclose_min = 0;
static unsigned long max_autoclose_max =
@@ -59,20 +43,15 @@
? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
+static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static struct ctl_table sctp_table[] = {
{
@@ -107,7 +86,7 @@
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
+ .extra1 = SYSCTL_ONE,
.extra2 = &timer_max
},
{
@@ -116,7 +95,7 @@
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_sctp_do_rto_min,
- .extra1 = &one,
+ .extra1 = SYSCTL_ONE,
.extra2 = &init_net.sctp.rto_max
},
{
@@ -152,8 +131,8 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &int_max
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_INT_MAX,
},
{
.procname = "cookie_preserve_enable",
@@ -175,7 +154,7 @@
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
+ .extra1 = SYSCTL_ONE,
.extra2 = &timer_max
},
{
@@ -193,7 +172,7 @@
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
+ .extra1 = SYSCTL_ONE,
.extra2 = &timer_max
},
{
@@ -202,8 +181,8 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
+ .extra1 = SYSCTL_ONE,
+ .extra2 = SYSCTL_INT_MAX,
},
{
.procname = "path_max_retrans",
@@ -211,8 +190,8 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
+ .extra1 = SYSCTL_ONE,
+ .extra2 = SYSCTL_INT_MAX,
},
{
.procname = "max_init_retransmits",
@@ -220,8 +199,8 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
+ .extra1 = SYSCTL_ONE,
+ .extra2 = SYSCTL_INT_MAX,
},
{
.procname = "pf_retrans",
@@ -229,8 +208,17 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
- .extra2 = &int_max
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = &init_net.sctp.ps_retrans,
+ },
+ {
+ .procname = "ps_retrans",
+ .data = &init_net.sctp.ps_retrans,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &init_net.sctp.pf_retrans,
+ .extra2 = &ps_retrans_max,
},
{
.procname = "sndbuf_policy",
@@ -296,12 +284,19 @@
.proc_handler = proc_dointvec,
},
{
+ .procname = "ecn_enable",
+ .data = &init_net.sctp.ecn_enable,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "addr_scope_policy",
.data = &init_net.sctp.scope_policy,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
+ .extra1 = SYSCTL_ZERO,
.extra2 = &addr_scope_max,
},
{
@@ -310,7 +305,7 @@
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
- .extra1 = &one,
+ .extra1 = SYSCTL_ONE,
.extra2 = &rwnd_scale_max,
},
{
@@ -329,13 +324,21 @@
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "pf_expose",
+ .data = &init_net.sctp.pf_expose,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = &pf_expose_max,
+ },
{ /* sentinel */ }
};
static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
struct ctl_table tbl;
@@ -380,8 +383,7 @@
}
static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
unsigned int min = *(unsigned int *) ctl->extra1;
@@ -409,8 +411,7 @@
}
static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
unsigned int min = *(unsigned int *) ctl->extra1;
@@ -438,8 +439,7 @@
}
static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (write)
pr_warn_once("Changing rto_alpha or rto_beta may lead to "
@@ -449,8 +449,7 @@
}
static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
struct ctl_table tbl;
--
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