mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-10-14 10:27:12 +08:00
Move files to match FreeBSD layout
This commit is contained in:
Sebastian Huber
562
freebsd/sys/netinet/sctp_bsd_addr.c
Normal file
562
freebsd/sys/netinet/sctp_bsd_addr.c
Normal file
@@ -0,0 +1,562 @@
|
||||
#include <freebsd/machine/rtems-bsd-config.h>
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|
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/*-
|
||||
* Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* a) Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
*
|
||||
* b) Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* c) Neither the name of Cisco Systems, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
||||
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
||||
* THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
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||||
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||||
/* $KAME: sctp_output.c,v 1.46 2005/03/06 16:04:17 itojun Exp $ */
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#include <freebsd/sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <freebsd/netinet/sctp_os.h>
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#include <freebsd/netinet/sctp_var.h>
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#include <freebsd/netinet/sctp_pcb.h>
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#include <freebsd/netinet/sctp_header.h>
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#include <freebsd/netinet/sctputil.h>
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#include <freebsd/netinet/sctp_output.h>
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#include <freebsd/netinet/sctp_bsd_addr.h>
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#include <freebsd/netinet/sctp_uio.h>
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#include <freebsd/netinet/sctputil.h>
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#include <freebsd/netinet/sctp_timer.h>
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#include <freebsd/netinet/sctp_asconf.h>
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#include <freebsd/netinet/sctp_sysctl.h>
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#include <freebsd/netinet/sctp_indata.h>
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#include <freebsd/sys/unistd.h>
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/* Declare all of our malloc named types */
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MALLOC_DEFINE(SCTP_M_MAP, "sctp_map", "sctp asoc map descriptor");
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MALLOC_DEFINE(SCTP_M_STRMI, "sctp_stri", "sctp stream in array");
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MALLOC_DEFINE(SCTP_M_STRMO, "sctp_stro", "sctp stream out array");
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MALLOC_DEFINE(SCTP_M_ASC_ADDR, "sctp_aadr", "sctp asconf address");
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MALLOC_DEFINE(SCTP_M_ASC_IT, "sctp_a_it", "sctp asconf iterator");
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MALLOC_DEFINE(SCTP_M_AUTH_CL, "sctp_atcl", "sctp auth chunklist");
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MALLOC_DEFINE(SCTP_M_AUTH_KY, "sctp_atky", "sctp auth key");
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MALLOC_DEFINE(SCTP_M_AUTH_HL, "sctp_athm", "sctp auth hmac list");
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MALLOC_DEFINE(SCTP_M_AUTH_IF, "sctp_athi", "sctp auth info");
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MALLOC_DEFINE(SCTP_M_STRESET, "sctp_stre", "sctp stream reset");
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MALLOC_DEFINE(SCTP_M_CMSG, "sctp_cmsg", "sctp CMSG buffer");
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MALLOC_DEFINE(SCTP_M_COPYAL, "sctp_cpal", "sctp copy all");
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MALLOC_DEFINE(SCTP_M_VRF, "sctp_vrf", "sctp vrf struct");
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MALLOC_DEFINE(SCTP_M_IFA, "sctp_ifa", "sctp ifa struct");
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MALLOC_DEFINE(SCTP_M_IFN, "sctp_ifn", "sctp ifn struct");
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MALLOC_DEFINE(SCTP_M_TIMW, "sctp_timw", "sctp time block");
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MALLOC_DEFINE(SCTP_M_MVRF, "sctp_mvrf", "sctp mvrf pcb list");
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MALLOC_DEFINE(SCTP_M_ITER, "sctp_iter", "sctp iterator control");
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MALLOC_DEFINE(SCTP_M_SOCKOPT, "sctp_socko", "sctp socket option");
|
||||
|
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/* Global NON-VNET structure that controls the iterator */
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||||
struct iterator_control sctp_it_ctl;
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||||
static int __sctp_thread_based_iterator_started = 0;
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||||
|
||||
|
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static void
|
||||
sctp_cleanup_itqueue(void)
|
||||
{
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||||
struct sctp_iterator *it;
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||||
|
||||
while ((it = TAILQ_FIRST(&sctp_it_ctl.iteratorhead)) != NULL) {
|
||||
if (it->function_atend != NULL) {
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||||
(*it->function_atend) (it->pointer, it->val);
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||||
}
|
||||
TAILQ_REMOVE(&sctp_it_ctl.iteratorhead, it, sctp_nxt_itr);
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SCTP_FREE(it, SCTP_M_ITER);
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||||
}
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}
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|
||||
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void
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sctp_wakeup_iterator(void)
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||||
{
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wakeup(&sctp_it_ctl.iterator_running);
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}
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static void
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sctp_iterator_thread(void *v)
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{
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||||
SCTP_IPI_ITERATOR_WQ_LOCK();
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||||
while (1) {
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||||
msleep(&sctp_it_ctl.iterator_running,
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||||
&sctp_it_ctl.ipi_iterator_wq_mtx,
|
||||
0, "waiting_for_work", 0);
|
||||
if (sctp_it_ctl.iterator_flags & SCTP_ITERATOR_MUST_EXIT) {
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||||
SCTP_IPI_ITERATOR_WQ_DESTROY();
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||||
SCTP_ITERATOR_LOCK_DESTROY();
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sctp_cleanup_itqueue();
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__sctp_thread_based_iterator_started = 0;
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kthread_exit();
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}
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sctp_iterator_worker();
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}
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}
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void
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sctp_startup_iterator(void)
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{
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if (__sctp_thread_based_iterator_started) {
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/* You only get one */
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return;
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}
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/* init the iterator head */
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__sctp_thread_based_iterator_started = 1;
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sctp_it_ctl.iterator_running = 0;
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sctp_it_ctl.iterator_flags = 0;
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sctp_it_ctl.cur_it = NULL;
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SCTP_ITERATOR_LOCK_INIT();
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SCTP_IPI_ITERATOR_WQ_INIT();
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TAILQ_INIT(&sctp_it_ctl.iteratorhead);
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int ret;
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||||
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ret = kproc_create(sctp_iterator_thread,
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||||
(void *)NULL,
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||||
&sctp_it_ctl.thread_proc,
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RFPROC,
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||||
SCTP_KTHREAD_PAGES,
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||||
SCTP_KTRHEAD_NAME);
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}
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#ifdef INET6
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void
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sctp_gather_internal_ifa_flags(struct sctp_ifa *ifa)
|
||||
{
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struct in6_ifaddr *ifa6;
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||||
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ifa6 = (struct in6_ifaddr *)ifa->ifa;
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||||
ifa->flags = ifa6->ia6_flags;
|
||||
if (!MODULE_GLOBAL(ip6_use_deprecated)) {
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||||
if (ifa->flags &
|
||||
IN6_IFF_DEPRECATED) {
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||||
ifa->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;
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||||
} else {
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ifa->localifa_flags &= ~SCTP_ADDR_IFA_UNUSEABLE;
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||||
}
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||||
} else {
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||||
ifa->localifa_flags &= ~SCTP_ADDR_IFA_UNUSEABLE;
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}
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||||
if (ifa->flags &
|
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(IN6_IFF_DETACHED |
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IN6_IFF_ANYCAST |
|
||||
IN6_IFF_NOTREADY)) {
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||||
ifa->localifa_flags |= SCTP_ADDR_IFA_UNUSEABLE;
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||||
} else {
|
||||
ifa->localifa_flags &= ~SCTP_ADDR_IFA_UNUSEABLE;
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||||
}
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||||
}
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||||
|
||||
#endif /* INET6 */
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static uint32_t
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sctp_is_desired_interface_type(struct ifaddr *ifa)
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{
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||||
int result;
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/* check the interface type to see if it's one we care about */
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switch (ifa->ifa_ifp->if_type) {
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case IFT_ETHER:
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||||
case IFT_ISO88023:
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case IFT_ISO88024:
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||||
case IFT_ISO88025:
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case IFT_ISO88026:
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case IFT_STARLAN:
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case IFT_P10:
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case IFT_P80:
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case IFT_HY:
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case IFT_FDDI:
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case IFT_XETHER:
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case IFT_ISDNBASIC:
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case IFT_ISDNPRIMARY:
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case IFT_PTPSERIAL:
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case IFT_OTHER:
|
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case IFT_PPP:
|
||||
case IFT_LOOP:
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case IFT_SLIP:
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case IFT_GIF:
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case IFT_L2VLAN:
|
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case IFT_IP:
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case IFT_IPOVERCDLC:
|
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case IFT_IPOVERCLAW:
|
||||
case IFT_VIRTUALIPADDRESS:
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result = 1;
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break;
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default:
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result = 0;
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}
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return (result);
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}
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static void
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sctp_init_ifns_for_vrf(int vrfid)
|
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{
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/*
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* Here we must apply ANY locks needed by the IFN we access and also
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* make sure we lock any IFA that exists as we float through the
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* list of IFA's
|
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*/
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struct ifnet *ifn;
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struct ifaddr *ifa;
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struct in6_ifaddr *ifa6;
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struct sctp_ifa *sctp_ifa;
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uint32_t ifa_flags;
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IFNET_RLOCK();
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TAILQ_FOREACH(ifn, &MODULE_GLOBAL(ifnet), if_list) {
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IF_ADDR_LOCK(ifn);
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TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) {
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if (ifa->ifa_addr == NULL) {
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continue;
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}
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if ((ifa->ifa_addr->sa_family != AF_INET) && (ifa->ifa_addr->sa_family != AF_INET6)) {
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/* non inet/inet6 skip */
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continue;
|
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}
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if (ifa->ifa_addr->sa_family == AF_INET6) {
|
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if (IN6_IS_ADDR_UNSPECIFIED(&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr)) {
|
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/* skip unspecifed addresses */
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continue;
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}
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} else {
|
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if (((struct sockaddr_in *)ifa->ifa_addr)->sin_addr.s_addr == 0) {
|
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continue;
|
||||
}
|
||||
}
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if (sctp_is_desired_interface_type(ifa) == 0) {
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/* non desired type */
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continue;
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}
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if (ifa->ifa_addr->sa_family == AF_INET6) {
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ifa6 = (struct in6_ifaddr *)ifa;
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ifa_flags = ifa6->ia6_flags;
|
||||
} else {
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ifa_flags = 0;
|
||||
}
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||||
sctp_ifa = sctp_add_addr_to_vrf(vrfid,
|
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(void *)ifn,
|
||||
ifn->if_index,
|
||||
ifn->if_type,
|
||||
ifn->if_xname,
|
||||
(void *)ifa,
|
||||
ifa->ifa_addr,
|
||||
ifa_flags,
|
||||
0);
|
||||
if (sctp_ifa) {
|
||||
sctp_ifa->localifa_flags &= ~SCTP_ADDR_DEFER_USE;
|
||||
}
|
||||
}
|
||||
IF_ADDR_UNLOCK(ifn);
|
||||
}
|
||||
IFNET_RUNLOCK();
|
||||
}
|
||||
|
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void
|
||||
sctp_init_vrf_list(int vrfid)
|
||||
{
|
||||
if (vrfid > SCTP_MAX_VRF_ID)
|
||||
/* can't do that */
|
||||
return;
|
||||
|
||||
/* Don't care about return here */
|
||||
(void)sctp_allocate_vrf(vrfid);
|
||||
|
||||
/*
|
||||
* Now we need to build all the ifn's for this vrf and there
|
||||
* addresses
|
||||
*/
|
||||
sctp_init_ifns_for_vrf(vrfid);
|
||||
}
|
||||
|
||||
void
|
||||
sctp_addr_change(struct ifaddr *ifa, int cmd)
|
||||
{
|
||||
uint32_t ifa_flags = 0;
|
||||
|
||||
/*
|
||||
* BSD only has one VRF, if this changes we will need to hook in the
|
||||
* right things here to get the id to pass to the address managment
|
||||
* routine.
|
||||
*/
|
||||
if (SCTP_BASE_VAR(first_time) == 0) {
|
||||
/* Special test to see if my ::1 will showup with this */
|
||||
SCTP_BASE_VAR(first_time) = 1;
|
||||
sctp_init_ifns_for_vrf(SCTP_DEFAULT_VRFID);
|
||||
}
|
||||
if ((cmd != RTM_ADD) && (cmd != RTM_DELETE)) {
|
||||
/* don't know what to do with this */
|
||||
return;
|
||||
}
|
||||
if (ifa->ifa_addr == NULL) {
|
||||
return;
|
||||
}
|
||||
if ((ifa->ifa_addr->sa_family != AF_INET) && (ifa->ifa_addr->sa_family != AF_INET6)) {
|
||||
/* non inet/inet6 skip */
|
||||
return;
|
||||
}
|
||||
if (ifa->ifa_addr->sa_family == AF_INET6) {
|
||||
ifa_flags = ((struct in6_ifaddr *)ifa)->ia6_flags;
|
||||
if (IN6_IS_ADDR_UNSPECIFIED(&((struct sockaddr_in6 *)ifa->ifa_addr)->sin6_addr)) {
|
||||
/* skip unspecifed addresses */
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
if (((struct sockaddr_in *)ifa->ifa_addr)->sin_addr.s_addr == 0) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if (sctp_is_desired_interface_type(ifa) == 0) {
|
||||
/* non desired type */
|
||||
return;
|
||||
}
|
||||
if (cmd == RTM_ADD) {
|
||||
(void)sctp_add_addr_to_vrf(SCTP_DEFAULT_VRFID, (void *)ifa->ifa_ifp,
|
||||
ifa->ifa_ifp->if_index, ifa->ifa_ifp->if_type,
|
||||
ifa->ifa_ifp->if_xname,
|
||||
(void *)ifa, ifa->ifa_addr, ifa_flags, 1);
|
||||
} else {
|
||||
|
||||
sctp_del_addr_from_vrf(SCTP_DEFAULT_VRFID, ifa->ifa_addr,
|
||||
ifa->ifa_ifp->if_index,
|
||||
ifa->ifa_ifp->if_xname
|
||||
);
|
||||
/*
|
||||
* We don't bump refcount here so when it completes the
|
||||
* final delete will happen.
|
||||
*/
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
sctp_add_or_del_interfaces(int (*pred) (struct ifnet *), int add){
|
||||
struct ifnet *ifn;
|
||||
struct ifaddr *ifa;
|
||||
|
||||
IFNET_RLOCK();
|
||||
TAILQ_FOREACH(ifn, &MODULE_GLOBAL(ifnet), if_list) {
|
||||
if (!(*pred) (ifn)) {
|
||||
continue;
|
||||
}
|
||||
TAILQ_FOREACH(ifa, &ifn->if_addrlist, ifa_list) {
|
||||
sctp_addr_change(ifa, add ? RTM_ADD : RTM_DELETE);
|
||||
}
|
||||
}
|
||||
IFNET_RUNLOCK();
|
||||
}
|
||||
|
||||
struct mbuf *
|
||||
sctp_get_mbuf_for_msg(unsigned int space_needed, int want_header,
|
||||
int how, int allonebuf, int type)
|
||||
{
|
||||
struct mbuf *m = NULL;
|
||||
|
||||
m = m_getm2(NULL, space_needed, how, type, want_header ? M_PKTHDR : 0);
|
||||
if (m == NULL) {
|
||||
/* bad, no memory */
|
||||
return (m);
|
||||
}
|
||||
if (allonebuf) {
|
||||
int siz;
|
||||
|
||||
if (SCTP_BUF_IS_EXTENDED(m)) {
|
||||
siz = SCTP_BUF_EXTEND_SIZE(m);
|
||||
} else {
|
||||
if (want_header)
|
||||
siz = MHLEN;
|
||||
else
|
||||
siz = MLEN;
|
||||
}
|
||||
if (siz < space_needed) {
|
||||
m_freem(m);
|
||||
return (NULL);
|
||||
}
|
||||
}
|
||||
if (SCTP_BUF_NEXT(m)) {
|
||||
sctp_m_freem(SCTP_BUF_NEXT(m));
|
||||
SCTP_BUF_NEXT(m) = NULL;
|
||||
}
|
||||
#ifdef SCTP_MBUF_LOGGING
|
||||
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_MBUF_LOGGING_ENABLE) {
|
||||
if (SCTP_BUF_IS_EXTENDED(m)) {
|
||||
sctp_log_mb(m, SCTP_MBUF_IALLOC);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return (m);
|
||||
}
|
||||
|
||||
|
||||
#ifdef SCTP_PACKET_LOGGING
|
||||
void
|
||||
sctp_packet_log(struct mbuf *m, int length)
|
||||
{
|
||||
int *lenat, thisone;
|
||||
void *copyto;
|
||||
uint32_t *tick_tock;
|
||||
int total_len;
|
||||
int grabbed_lock = 0;
|
||||
int value, newval, thisend, thisbegin;
|
||||
|
||||
/*
|
||||
* Buffer layout. -sizeof this entry (total_len) -previous end
|
||||
* (value) -ticks of log (ticks) o -ip packet o -as logged -
|
||||
* where this started (thisbegin) x <--end points here
|
||||
*/
|
||||
total_len = SCTP_SIZE32((length + (4 * sizeof(int))));
|
||||
/* Log a packet to the buffer. */
|
||||
if (total_len > SCTP_PACKET_LOG_SIZE) {
|
||||
/* Can't log this packet I have not a buffer big enough */
|
||||
return;
|
||||
}
|
||||
if (length < (int)(SCTP_MIN_V4_OVERHEAD + sizeof(struct sctp_cookie_ack_chunk))) {
|
||||
return;
|
||||
}
|
||||
atomic_add_int(&SCTP_BASE_VAR(packet_log_writers), 1);
|
||||
try_again:
|
||||
if (SCTP_BASE_VAR(packet_log_writers) > SCTP_PKTLOG_WRITERS_NEED_LOCK) {
|
||||
SCTP_IP_PKTLOG_LOCK();
|
||||
grabbed_lock = 1;
|
||||
again_locked:
|
||||
value = SCTP_BASE_VAR(packet_log_end);
|
||||
newval = SCTP_BASE_VAR(packet_log_end) + total_len;
|
||||
if (newval >= SCTP_PACKET_LOG_SIZE) {
|
||||
/* we wrapped */
|
||||
thisbegin = 0;
|
||||
thisend = total_len;
|
||||
} else {
|
||||
thisbegin = SCTP_BASE_VAR(packet_log_end);
|
||||
thisend = newval;
|
||||
}
|
||||
if (!(atomic_cmpset_int(&SCTP_BASE_VAR(packet_log_end), value, thisend))) {
|
||||
goto again_locked;
|
||||
}
|
||||
} else {
|
||||
value = SCTP_BASE_VAR(packet_log_end);
|
||||
newval = SCTP_BASE_VAR(packet_log_end) + total_len;
|
||||
if (newval >= SCTP_PACKET_LOG_SIZE) {
|
||||
/* we wrapped */
|
||||
thisbegin = 0;
|
||||
thisend = total_len;
|
||||
} else {
|
||||
thisbegin = SCTP_BASE_VAR(packet_log_end);
|
||||
thisend = newval;
|
||||
}
|
||||
if (!(atomic_cmpset_int(&SCTP_BASE_VAR(packet_log_end), value, thisend))) {
|
||||
goto try_again;
|
||||
}
|
||||
}
|
||||
/* Sanity check */
|
||||
if (thisend >= SCTP_PACKET_LOG_SIZE) {
|
||||
printf("Insanity stops a log thisbegin:%d thisend:%d writers:%d lock:%d end:%d\n",
|
||||
thisbegin,
|
||||
thisend,
|
||||
SCTP_BASE_VAR(packet_log_writers),
|
||||
grabbed_lock,
|
||||
SCTP_BASE_VAR(packet_log_end));
|
||||
SCTP_BASE_VAR(packet_log_end) = 0;
|
||||
goto no_log;
|
||||
|
||||
}
|
||||
lenat = (int *)&SCTP_BASE_VAR(packet_log_buffer)[thisbegin];
|
||||
*lenat = total_len;
|
||||
lenat++;
|
||||
*lenat = value;
|
||||
lenat++;
|
||||
tick_tock = (uint32_t *) lenat;
|
||||
lenat++;
|
||||
*tick_tock = sctp_get_tick_count();
|
||||
copyto = (void *)lenat;
|
||||
thisone = thisend - sizeof(int);
|
||||
lenat = (int *)&SCTP_BASE_VAR(packet_log_buffer)[thisone];
|
||||
*lenat = thisbegin;
|
||||
if (grabbed_lock) {
|
||||
SCTP_IP_PKTLOG_UNLOCK();
|
||||
grabbed_lock = 0;
|
||||
}
|
||||
m_copydata(m, 0, length, (caddr_t)copyto);
|
||||
no_log:
|
||||
if (grabbed_lock) {
|
||||
SCTP_IP_PKTLOG_UNLOCK();
|
||||
}
|
||||
atomic_subtract_int(&SCTP_BASE_VAR(packet_log_writers), 1);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
sctp_copy_out_packet_log(uint8_t * target, int length)
|
||||
{
|
||||
/*
|
||||
* We wind through the packet log starting at start copying up to
|
||||
* length bytes out. We return the number of bytes copied.
|
||||
*/
|
||||
int tocopy, this_copy;
|
||||
int *lenat;
|
||||
int did_delay = 0;
|
||||
|
||||
tocopy = length;
|
||||
if (length < (int)(2 * sizeof(int))) {
|
||||
/* not enough room */
|
||||
return (0);
|
||||
}
|
||||
if (SCTP_PKTLOG_WRITERS_NEED_LOCK) {
|
||||
atomic_add_int(&SCTP_BASE_VAR(packet_log_writers), SCTP_PKTLOG_WRITERS_NEED_LOCK);
|
||||
again:
|
||||
if ((did_delay == 0) && (SCTP_BASE_VAR(packet_log_writers) != SCTP_PKTLOG_WRITERS_NEED_LOCK)) {
|
||||
/*
|
||||
* we delay here for just a moment hoping the
|
||||
* writer(s) that were present when we entered will
|
||||
* have left and we only have locking ones that will
|
||||
* contend with us for the lock. This does not
|
||||
* assure 100% access, but its good enough for a
|
||||
* logging facility like this.
|
||||
*/
|
||||
did_delay = 1;
|
||||
DELAY(10);
|
||||
goto again;
|
||||
}
|
||||
}
|
||||
SCTP_IP_PKTLOG_LOCK();
|
||||
lenat = (int *)target;
|
||||
*lenat = SCTP_BASE_VAR(packet_log_end);
|
||||
lenat++;
|
||||
this_copy = min((length - sizeof(int)), SCTP_PACKET_LOG_SIZE);
|
||||
memcpy((void *)lenat, (void *)SCTP_BASE_VAR(packet_log_buffer), this_copy);
|
||||
if (SCTP_PKTLOG_WRITERS_NEED_LOCK) {
|
||||
atomic_subtract_int(&SCTP_BASE_VAR(packet_log_writers),
|
||||
SCTP_PKTLOG_WRITERS_NEED_LOCK);
|
||||
}
|
||||
SCTP_IP_PKTLOG_UNLOCK();
|
||||
return (this_copy + sizeof(int));
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user