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sys/netinet/sctp_module.c
- This file was added.
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
markj: The file is missing a license header. | |||||
| * | |||||
| * Copyright (c) 2019-2020 The FreeBSD Foundation | |||||
| * | |||||
Not Done Inline Actionsnow 2020 emaste: now 2020 | |||||
| * 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, | |||||
Not Done Inline ActionsExtra newline. markj: Extra newline. | |||||
| .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, | |||||
Not Done Inline ActionsI think we could address this by keeping a set of 4 global flags which indicate whether the protocol tuple <socket type, domain> has been registered. Then we conditionalize deregistration on those flags. markj: I think we could address this by keeping a set of 4 global flags which indicate whether the… | |||||
| .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); | |||||
The file is missing a license header.