/*
- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
#include <net/if.h>
#include <net/route.h>
+#include <net/kpi_protocol.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#if IPSEC_ESP
#include <netinet6/esp.h>
#endif
-#include <netinet6/ipcomp.h>
#endif /* IPSEC */
static void in_dinit(struct domain *);
struct domain *inetdomain = NULL;
/* Thanks to PPP, this still needs to be exported */
-lck_mtx_t *inet_domain_mutex;
+lck_mtx_t *inet_domain_mutex;
static struct protosw inetsw[] = {
-{
- .pr_type = 0,
- .pr_protocol = 0,
- .pr_init = ip_init,
- .pr_drain = ip_drain,
- .pr_usrreqs = &nousrreqs,
-},
-{
- .pr_type = SOCK_DGRAM,
- .pr_protocol = IPPROTO_UDP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_PROTOLOCK|PR_PCBLOCK|
- PR_EVCONNINFO,
- .pr_input = udp_input,
- .pr_ctlinput = udp_ctlinput,
- .pr_ctloutput = udp_ctloutput,
- .pr_init = udp_init,
- .pr_usrreqs = &udp_usrreqs,
- .pr_lock = udp_lock,
- .pr_unlock = udp_unlock,
- .pr_getlock = udp_getlock,
-},
-{
- .pr_type = SOCK_STREAM,
- .pr_protocol = IPPROTO_TCP,
- .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_PCBLOCK|
- PR_PROTOLOCK|PR_DISPOSE|PR_EVCONNINFO,
- .pr_input = tcp_input,
- .pr_ctlinput = tcp_ctlinput,
- .pr_ctloutput = tcp_ctloutput,
- .pr_init = tcp_init,
- .pr_drain = tcp_drain,
- .pr_usrreqs = &tcp_usrreqs,
- .pr_lock = tcp_lock,
- .pr_unlock = tcp_unlock,
- .pr_getlock = tcp_getlock,
-},
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_RAW,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = rip_input,
- .pr_ctlinput = rip_ctlinput,
- .pr_ctloutput = rip_ctloutput,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_ICMP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = icmp_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
-{
- .pr_type = SOCK_DGRAM,
- .pr_protocol = IPPROTO_ICMP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = icmp_input,
- .pr_ctloutput = icmp_dgram_ctloutput,
- .pr_usrreqs = &icmp_dgram_usrreqs,
- .pr_unlock = rip_unlock,
-},
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_IGMP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = igmp_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_init = igmp_init,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
-#if MROUTING
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_RSVP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = rsvp_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
-#endif /* MROUTING */
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_GRE,
- .pr_flags = PR_ATOMIC|PR_ADDR,
- .pr_input = gre_input,
- .pr_ctlinput = rip_ctlinput,
- .pr_ctloutput = rip_ctloutput,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
+ {
+ .pr_type = 0,
+ .pr_protocol = 0,
+ .pr_init = ip_init,
+ .pr_drain = ip_drain,
+ .pr_usrreqs = &nousrreqs,
+ },
+ {
+ .pr_type = SOCK_DGRAM,
+ .pr_protocol = IPPROTO_UDP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK | PR_PCBLOCK |
+ PR_EVCONNINFO | PR_PRECONN_WRITE,
+ .pr_input = udp_input,
+ .pr_ctlinput = udp_ctlinput,
+ .pr_ctloutput = udp_ctloutput,
+ .pr_init = udp_init,
+ .pr_usrreqs = &udp_usrreqs,
+ .pr_lock = udp_lock,
+ .pr_unlock = udp_unlock,
+ .pr_getlock = udp_getlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_STREAM,
+ .pr_protocol = IPPROTO_TCP,
+ .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD | PR_PCBLOCK |
+ PR_PROTOLOCK | PR_DISPOSE | PR_EVCONNINFO |
+ PR_PRECONN_WRITE | PR_DATA_IDEMPOTENT,
+ .pr_input = tcp_input,
+ .pr_ctlinput = tcp_ctlinput,
+ .pr_ctloutput = tcp_ctloutput,
+ .pr_init = tcp_init,
+ .pr_drain = tcp_drain,
+ .pr_usrreqs = &tcp_usrreqs,
+ .pr_lock = tcp_lock,
+ .pr_unlock = tcp_unlock,
+ .pr_getlock = tcp_getlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_RAW,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_input = rip_input,
+ .pr_ctlinput = rip_ctlinput,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_ICMP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = icmp_input,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_DGRAM,
+ .pr_protocol = IPPROTO_ICMP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = icmp_input,
+ .pr_ctloutput = icmp_dgram_ctloutput,
+ .pr_usrreqs = &icmp_dgram_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_IGMP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = igmp_input,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_init = igmp_init,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_GRE,
+ .pr_flags = PR_ATOMIC | PR_ADDR,
+ .pr_input = gre_input,
+ .pr_ctlinput = rip_ctlinput,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
#if IPSEC
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_AH,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- .pr_input = ah4_input,
- .pr_usrreqs = &nousrreqs,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_AH,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK,
+ .pr_input = ah4_input,
+ .pr_usrreqs = &nousrreqs,
+ },
#if IPSEC_ESP
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_ESP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- .pr_input = esp4_input,
- .pr_usrreqs = &nousrreqs,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_ESP,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PROTOLOCK,
+ .pr_input = esp4_input,
+ .pr_usrreqs = &nousrreqs,
+ },
#endif /* IPSEC_ESP */
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_IPCOMP,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_PROTOLOCK,
- .pr_input = ipcomp4_input,
- .pr_usrreqs = &nousrreqs,
-},
#endif /* IPSEC */
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_IPV4,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap4_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_init = encap4_init,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_IPV4,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = encap4_input,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_init = encap4_init,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
#if INET6
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_IPV6,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = encap4_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_init = encap4_init,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_IPV6,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = encap4_input,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_init = encap4_init,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
#endif /* INET6 */
#if IPDIVERT
-{
- .pr_type = SOCK_RAW,
- .pr_protocol = IPPROTO_DIVERT,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_PCBLOCK,
- .pr_input = div_input,
- .pr_ctloutput = ip_ctloutput,
- .pr_init = div_init,
- .pr_usrreqs = &div_usrreqs,
- .pr_lock = div_lock,
- .pr_unlock = div_unlock,
- .pr_getlock = div_getlock,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_protocol = IPPROTO_DIVERT,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_PCBLOCK,
+ .pr_input = div_input,
+ .pr_ctloutput = ip_ctloutput,
+ .pr_init = div_init,
+ .pr_usrreqs = &div_usrreqs,
+ .pr_lock = div_lock,
+ .pr_unlock = div_unlock,
+ .pr_getlock = div_getlock,
+ },
#endif /* IPDIVERT */
/* raw wildcard */
-{
- .pr_type = SOCK_RAW,
- .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
- .pr_input = rip_input,
- .pr_ctloutput = rip_ctloutput,
- .pr_init = rip_init,
- .pr_usrreqs = &rip_usrreqs,
- .pr_unlock = rip_unlock,
-},
+ {
+ .pr_type = SOCK_RAW,
+ .pr_flags = PR_ATOMIC | PR_ADDR | PR_LASTHDR,
+ .pr_input = rip_input,
+ .pr_ctloutput = rip_ctloutput,
+ .pr_init = rip_init,
+ .pr_usrreqs = &rip_usrreqs,
+ .pr_unlock = rip_unlock,
+ .pr_update_last_owner = inp_update_last_owner,
+ .pr_copy_last_owner = inp_copy_last_owner,
+ },
};
-static int in_proto_count = (sizeof (inetsw) / sizeof (struct protosw));
+static int in_proto_count = (sizeof(inetsw) / sizeof(struct protosw));
struct domain inetdomain_s = {
- .dom_family = PF_INET,
- .dom_flags = DOM_REENTRANT,
- .dom_name = "internet",
- .dom_init = in_dinit,
- .dom_rtattach = in_inithead,
- .dom_rtoffset = 32,
- .dom_maxrtkey = sizeof (struct sockaddr_in),
- .dom_protohdrlen = sizeof (struct tcpiphdr),
+ .dom_family = PF_INET,
+ .dom_flags = DOM_REENTRANT,
+ .dom_name = "internet",
+ .dom_init = in_dinit,
+ .dom_rtattach = in_inithead,
+ .dom_rtoffset = 32,
+ .dom_maxrtkey = sizeof(struct sockaddr_in),
+ .dom_protohdrlen = sizeof(struct tcpiphdr),
};
/* Initialize the PF_INET domain, and add in the pre-defined protos */
inetdomain = dp;
+ /*
+ * Verify that the maximum possible tcp/ip header will still
+ * fit in a small mbuf because m_pullup only puls into 256
+ * byte mbuf
+ */
+ _CASSERT((sizeof(struct tcpiphdr) + TCP_MAXOLEN) <= _MHLEN);
+
/*
* Attach first, then initialize; ip_init() needs raw IP handler.
*/
- for (i = 0, pr = &inetsw[0]; i < in_proto_count; i++, pr++)
+ for (i = 0, pr = &inetsw[0]; i < in_proto_count; i++, pr++) {
net_add_proto(pr, dp, 0);
- for (i = 0, pr = &inetsw[0]; i < in_proto_count; i++, pr++)
+ }
+ for (i = 0, pr = &inetsw[0]; i < in_proto_count; i++, pr++) {
net_init_proto(pr, dp);
+ }
inet_domain_mutex = dp->dom_mtx;
ip_proto_input(protocol_family_t protocol, mbuf_t packet_list)
{
#pragma unused(protocol)
- mbuf_t packet;
- int how_many = 0 ;
- /* ip_input should handle a list of packets but does not yet */
- for (packet = packet_list; packet; packet = packet_list) {
- how_many++;
- packet_list = mbuf_nextpkt(packet);
- mbuf_setnextpkt(packet, NULL);
- ip_input(packet);
+ if (packet_list->m_nextpkt != NULL) {
+ ip_input_process_list(packet_list);
+ } else {
+ /*
+ * XXX remove this path if ip_input_process_list is proven
+ * to be stable and has minimum overhead on most platforms.
+ */
+ ip_input(packet_list);
}
}
SYSCTL_NODE(_net, PF_INET, inet,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "Internet Family");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "Internet Family");
SYSCTL_NODE(_net_inet, IPPROTO_IP, ip,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "IP");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "IP");
SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "ICMP");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "ICMP");
SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "UDP");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "UDP");
SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "TCP");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "TCP");
SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "IGMP");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "IGMP");
#if IPSEC
SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "IPSEC");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "IPSEC");
#endif /* IPSEC */
SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "RAW");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "RAW");
#if IPDIVERT
SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, div,
- CTLFLAG_RW|CTLFLAG_LOCKED, 0, "DIVERT");
+ CTLFLAG_RW | CTLFLAG_LOCKED, 0, "DIVERT");
#endif /* IPDIVERT */
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