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📄 if_ether.c(41.26 KB)
📄 if_ether.h(4.62 KB)
📄 igmp.c(98.93 KB)
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📄 in.c(43.68 KB)
📄 in.h(25.81 KB)
📄 in_cksum.c(4.09 KB)
📄 in_debug.c(3.48 KB)
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📄 in_pcb.c(90.89 KB)
📄 in_pcb.h(34.46 KB)
📄 in_pcbgroup.c(17.28 KB)
📄 in_prot.c(2.35 KB)
📄 in_proto.c(9.36 KB)
📄 in_rmx.c(4.99 KB)
📄 in_rss.c(11.27 KB)
📄 in_rss.h(2.42 KB)
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📄 in_var.h(15.4 KB)
📄 ip.h(7.37 KB)
📄 ip6.h(8.93 KB)
📄 ip_carp.c(53.25 KB)
📄 ip_carp.h(6.79 KB)
📄 ip_divert.c(21.74 KB)
📄 ip_divert.h(2.32 KB)
📄 ip_dummynet.h(8.94 KB)
📄 ip_ecn.c(5.83 KB)
📄 ip_ecn.h(2.1 KB)
📄 ip_encap.c(10.59 KB)
📄 ip_encap.h(3.13 KB)
📄 ip_fastfwd.c(13.79 KB)
📄 ip_fw.h(34.29 KB)
📄 ip_gre.c(15.28 KB)
📄 ip_icmp.c(31.15 KB)
📄 ip_icmp.h(8.52 KB)
📄 ip_id.c(9.78 KB)
📄 ip_input.c(37.16 KB)
📄 ip_mroute.c(75.86 KB)
📄 ip_mroute.h(13.66 KB)
📄 ip_options.c(19.9 KB)
📄 ip_options.h(2.61 KB)
📄 ip_output.c(40.67 KB)
📄 ip_reass.c(22.42 KB)
📄 ip_var.h(11.48 KB)
📁 khelp
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📄 pim.h(4.25 KB)
📄 pim_var.h(3.14 KB)
📄 raw_ip.c(28.58 KB)
📄 sctp.h(22.97 KB)
📄 sctp_asconf.c(100.05 KB)
📄 sctp_asconf.h(3.31 KB)
📄 sctp_auth.c(50.44 KB)
📄 sctp_auth.h(8.52 KB)
📄 sctp_bsd_addr.c(13.89 KB)
📄 sctp_bsd_addr.h(2.45 KB)
📄 sctp_cc_functions.c(68.75 KB)
📄 sctp_constants.h(34.12 KB)
📄 sctp_crc32.c(4.5 KB)
📄 sctp_crc32.h(2.07 KB)
📄 sctp_header.h(17.48 KB)
📄 sctp_indata.c(175.36 KB)
📄 sctp_indata.h(4.18 KB)
📄 sctp_input.c(183.57 KB)
📄 sctp_input.h(2.43 KB)
📄 sctp_kdtrace.c(7.51 KB)
📄 sctp_kdtrace.h(3.6 KB)
📄 sctp_lock_bsd.h(15.64 KB)
📄 sctp_module.c(5.16 KB)
📄 sctp_os.h(2.73 KB)
📄 sctp_os_bsd.h(15.04 KB)
📄 sctp_output.c(362.89 KB)
📄 sctp_output.h(6.38 KB)
📄 sctp_pcb.c(198.87 KB)
📄 sctp_pcb.h(19.31 KB)
📄 sctp_peeloff.c(5.74 KB)
📄 sctp_peeloff.h(2.05 KB)
📄 sctp_ss_functions.c(30.72 KB)
📄 sctp_structs.h(38.29 KB)
📄 sctp_syscalls.c(13.94 KB)
📄 sctp_sysctl.c(37.45 KB)
📄 sctp_sysctl.h(22.9 KB)
📄 sctp_timer.c(47.92 KB)
📄 sctp_timer.h(3.07 KB)
📄 sctp_uio.h(38.07 KB)
📄 sctp_usrreq.c(216.08 KB)
📄 sctp_var.h(12.21 KB)
📄 sctputil.c(212.13 KB)
📄 sctputil.h(11.69 KB)
📄 siftr.c(45.2 KB)
📄 tcp.h(18.3 KB)
📄 tcp_debug.c(5.9 KB)
📄 tcp_debug.h(2.65 KB)
📄 tcp_fastopen.c(37.98 KB)
📄 tcp_fastopen.h(3.7 KB)
📄 tcp_fsm.h(4.25 KB)
📄 tcp_hostcache.c(21.43 KB)
📄 tcp_hostcache.h(2.92 KB)
📄 tcp_hpts.c(57.55 KB)
📄 tcp_hpts.h(9.89 KB)
📄 tcp_input.c(115.95 KB)
📄 tcp_log_buf.c(76.37 KB)
📄 tcp_log_buf.h(14.88 KB)
📄 tcp_lro.c(36.38 KB)
📄 tcp_lro.h(4.43 KB)
📄 tcp_offload.c(5.48 KB)
📄 tcp_offload.h(2.09 KB)
📄 tcp_output.c(60.16 KB)
📄 tcp_pcap.c(12.67 KB)
📄 tcp_pcap.h(1.76 KB)
📄 tcp_ratelimit.c(43.8 KB)
📄 tcp_ratelimit.h(5.07 KB)
📄 tcp_reass.c(30.75 KB)
📄 tcp_sack.c(26.74 KB)
📄 tcp_seq.h(3.57 KB)
📁 tcp_stacks
📄 tcp_stats.c(8.47 KB)
📄 tcp_subr.c(92.74 KB)
📄 tcp_syncache.c(73 KB)
📄 tcp_syncache.h(5.16 KB)
📄 tcp_timer.c(31.04 KB)
📄 tcp_timer.h(9.29 KB)
📄 tcp_timewait.c(19.06 KB)
📄 tcp_usrreq.c(71.35 KB)
📄 tcp_var.h(43.48 KB)
📄 tcpip.h(2.29 KB)
📄 toecore.c(13.51 KB)
📄 toecore.h(5.13 KB)
📄 udp.h(2.49 KB)
📄 udp_usrreq.c(44.57 KB)
📄 udp_var.h(6.48 KB)
📄 udplite.h(1.91 KB)

Editing: sctp_module.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2019-2020 The FreeBSD Foundation
 *
 * This software was developed by Mark Johnston under sponsorship from
 * the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "opt_inet.h"
#include "opt_inet6.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/protosw.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/sctp.h>
#include <netinet/sctp_pcb.h>
#include <netinet/sctp_var.h>
#include <netinet/sctp_os_bsd.h>

#include <netinet6/ip6_var.h>
#include <netinet6/sctp6_var.h>

#ifdef INET
extern struct domain inetdomain;

struct protosw sctp_stream_protosw = {
	.pr_type =		SOCK_STREAM,
	.pr_domain =		&inetdomain,
	.pr_protocol =		IPPROTO_SCTP,
	.pr_flags =		PR_CONNREQUIRED|PR_WANTRCVD|PR_LASTHDR,
	.pr_input =		sctp_input,
	.pr_ctlinput =		sctp_ctlinput,
	.pr_ctloutput =		sctp_ctloutput,
	.pr_drain =		sctp_drain,
	.pr_usrreqs =		&sctp_usrreqs,
};

struct protosw sctp_seqpacket_protosw = {
	.pr_type =		SOCK_SEQPACKET,
	.pr_domain =		&inetdomain,
	.pr_protocol =		IPPROTO_SCTP,
	.pr_flags =		PR_WANTRCVD|PR_LASTHDR,
	.pr_input =		sctp_input,
	.pr_ctlinput =		sctp_ctlinput,
	.pr_ctloutput =		sctp_ctloutput,
	.pr_drain =		sctp_drain,
	.pr_usrreqs =		&sctp_usrreqs,
};
#endif

#ifdef INET6
extern struct domain inet6domain;

struct protosw sctp6_stream_protosw = {
	.pr_type =		SOCK_STREAM,
	.pr_domain =		&inet6domain,
	.pr_protocol =		IPPROTO_SCTP,
	.pr_flags =		PR_CONNREQUIRED|PR_WANTRCVD|PR_LASTHDR,
	.pr_input =		sctp6_input,
	.pr_ctlinput =		sctp6_ctlinput,
	.pr_ctloutput =		sctp_ctloutput,
	.pr_init =		sctp_init,
	.pr_drain =		sctp_drain,
	.pr_usrreqs =		&sctp6_usrreqs,
};

struct protosw sctp6_seqpacket_protosw = {
	.pr_type =		SOCK_SEQPACKET,
	.pr_domain =		&inet6domain,
	.pr_protocol =		IPPROTO_SCTP,
	.pr_flags =		PR_WANTRCVD|PR_LASTHDR,
	.pr_input =		sctp6_input,
	.pr_ctlinput =		sctp6_ctlinput,
	.pr_ctloutput =		sctp_ctloutput,
#ifndef INET	/* Do not call initialization and drain routines twice. */
	.pr_init =		sctp_init,
	.pr_drain =		sctp_drain,
#endif
	.pr_usrreqs =		&sctp6_usrreqs,
};
#endif

static int
sctp_module_load(void)
{
	int error;

#ifdef INET
	error = pf_proto_register(PF_INET, &sctp_stream_protosw);
	if (error != 0)
		return (error);
	error = pf_proto_register(PF_INET, &sctp_seqpacket_protosw);
	if (error != 0)
		return (error);
	error = ipproto_register(IPPROTO_SCTP);
	if (error != 0)
		return (error);
#endif
#ifdef INET6
	error = pf_proto_register(PF_INET6, &sctp6_stream_protosw);
	if (error != 0)
		return (error);
	error = pf_proto_register(PF_INET6, &sctp6_seqpacket_protosw);
	if (error != 0)
		return (error);
	error = ip6proto_register(IPPROTO_SCTP);
	if (error != 0)
		return (error);
#endif
	error = sctp_syscalls_init();
	if (error != 0)
		return (error);
	return (0);
}

static int __unused
sctp_module_unload(void)
{

(void)sctp_syscalls_uninit();

#ifdef INET
	(void)ipproto_unregister(IPPROTO_SCTP);
	(void)pf_proto_unregister(PF_INET, IPPROTO_SCTP, SOCK_STREAM);
	(void)pf_proto_unregister(PF_INET, IPPROTO_SCTP, SOCK_SEQPACKET);
#endif
#ifdef INET6
	(void)ip6proto_unregister(IPPROTO_SCTP);
	(void)pf_proto_unregister(PF_INET6, IPPROTO_SCTP, SOCK_STREAM);
	(void)pf_proto_unregister(PF_INET6, IPPROTO_SCTP, SOCK_SEQPACKET);
#endif
	return (0);
}

static int
sctp_modload(struct module *module, int cmd, void *arg)
{
	int error;

switch (cmd) {
	case MOD_LOAD:
		error = sctp_module_load();
		break;
	case MOD_UNLOAD:
		/*
		 * Unloading SCTP is currently unsupported.  Currently, SCTP
		 * iterator threads are not stopped during unload.
		 */
		error = EOPNOTSUPP;
		break;
	default:
		error = 0;
		break;
	}
	return (error);
}

static moduledata_t sctp_mod = {
	"sctp",
	&sctp_modload,
	NULL,
};

DECLARE_MODULE(sctp, sctp_mod, SI_SUB_PROTO_IFATTACHDOMAIN, SI_ORDER_ANY);
MODULE_VERSION(sctp, 1);

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Editing: sctp_module.c

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