From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/net/sctp/protocol.c | 68 ++++++++++++++--------------------
1 files changed, 28 insertions(+), 40 deletions(-)
diff --git a/kernel/net/sctp/protocol.c b/kernel/net/sctp/protocol.c
index 7207a97..6e4ca83 100644
--- a/kernel/net/sctp/protocol.c
+++ b/kernel/net/sctp/protocol.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* SCTP kernel implementation
* (C) Copyright IBM Corp. 2001, 2004
* Copyright (c) 1999-2000 Cisco, Inc.
@@ -9,22 +10,6 @@
* This file is part of the SCTP kernel implementation
*
* Initialization/cleanup for SCTP protocol support.
- *
- * 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):
@@ -46,7 +31,7 @@
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/seq_file.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/highmem.h>
#include <linux/swap.h>
#include <linux/slab.h>
@@ -96,7 +81,7 @@
return;
}
- for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
+ in_dev_for_each_ifa_rcu(ifa, in_dev) {
/* Add the address to the local list. */
addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
if (addr) {
@@ -373,7 +358,7 @@
if (addr->v4.sin_addr.s_addr != htonl(INADDR_ANY) &&
ret != RTN_LOCAL &&
!sp->inet.freebind &&
- !net->ipv4.sysctl_ip_nonlocal_bind)
+ !READ_ONCE(net->ipv4.sysctl_ip_nonlocal_bind))
return 0;
if (ipv6_only_sock(sctp_opt2sk(sp)))
@@ -392,7 +377,7 @@
* Level 3 - private addresses.
* Level 4 - global addresses
* For INIT and INIT-ACK address list, let L be the level of
- * of requested destination address, sender and receiver
+ * requested destination address, sender and receiver
* SHOULD include all of its addresses with level greater
* than or equal to L.
*
@@ -1048,6 +1033,7 @@
.getname = inet_getname, /* Semantics are different. */
.poll = sctp_poll,
.ioctl = inet_ioctl,
+ .gettstamp = sock_gettstamp,
.listen = sctp_inet_listen,
.shutdown = inet_shutdown, /* Looks harmless. */
.setsockopt = sock_common_setsockopt, /* IP_SOL IP_OPTION is a problem */
@@ -1056,10 +1042,6 @@
.recvmsg = inet_recvmsg,
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_sock_common_setsockopt,
- .compat_getsockopt = compat_sock_common_getsockopt,
-#endif
};
/* Registration with AF_INET family. */
@@ -1113,10 +1095,6 @@
.net_header_len = sizeof(struct iphdr),
.sockaddr_len = sizeof(struct sockaddr_in),
.ip_options_len = sctp_v4_ip_options_len,
-#ifdef CONFIG_COMPAT
- .compat_setsockopt = compat_ip_setsockopt,
- .compat_getsockopt = compat_ip_getsockopt,
-#endif
};
struct sctp_pf *sctp_get_pf_specific(sa_family_t family)
@@ -1253,8 +1231,14 @@
/* Max.Burst - 4 */
net->sctp.max_burst = SCTP_DEFAULT_MAX_BURST;
+ /* Disable of Primary Path Switchover by default */
+ net->sctp.ps_retrans = SCTP_PS_RETRANS_MAX;
+
/* Enable pf state by default */
net->sctp.pf_enable = 1;
+
+ /* Ignore pf exposure feature by default */
+ net->sctp.pf_expose = SCTP_PF_EXPOSE_UNSET;
/* Association.Max.Retrans - 10 attempts
* Path.Max.Retrans - 5 attempts (per destination address)
@@ -1289,6 +1273,9 @@
/* Disable AUTH by default. */
net->sctp.auth_enable = 0;
+
+ /* Enable ECN by default. */
+ net->sctp.ecn_enable = 1;
/* Set SCOPE policy to enabled */
net->sctp.scope_policy = SCTP_SCOPE_POLICY_ENABLE;
@@ -1386,14 +1373,15 @@
/* Initialize the universe into something sensible. */
static __init int sctp_init(void)
{
- int i;
- int status = -EINVAL;
- unsigned long goal;
+ unsigned long nr_pages = totalram_pages();
unsigned long limit;
- int max_share;
- int order;
- int num_entries;
+ unsigned long goal;
int max_entry_order;
+ int num_entries;
+ int max_share;
+ int status;
+ int order;
+ int i;
sock_skb_cb_check_size(sizeof(struct sctp_ulpevent));
@@ -1448,10 +1436,10 @@
* The methodology is similar to that of the tcp hash tables.
* Though not identical. Start by getting a goal size
*/
- if (totalram_pages >= (128 * 1024))
- goal = totalram_pages >> (22 - PAGE_SHIFT);
+ if (nr_pages >= (128 * 1024))
+ goal = nr_pages >> (22 - PAGE_SHIFT);
else
- goal = totalram_pages >> (24 - PAGE_SHIFT);
+ goal = nr_pages >> (24 - PAGE_SHIFT);
/* Then compute the page order for said goal */
order = get_order(goal);
@@ -1501,10 +1489,10 @@
num_entries = (1UL << order) * PAGE_SIZE /
sizeof(struct sctp_bind_hashbucket);
- /* And finish by rounding it down to the nearest power of two
- * this wastes some memory of course, but its needed because
+ /* And finish by rounding it down to the nearest power of two.
+ * This wastes some memory of course, but it's needed because
* the hash function operates based on the assumption that
- * that the number of entries is a power of two
+ * the number of entries is a power of two.
*/
sctp_port_hashsize = rounddown_pow_of_two(num_entries);
--
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