/* * Copyright (c) 2008-2016 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 * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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@ */ /* * Copyright (c) 1982, 1986, 1989, 1993 * The Regents of the University of California. All rights reserved. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)udp_var.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET_UDP_VAR_H_ #define _NETINET_UDP_VAR_H_ #include <sys/appleapiopts.h> #include <sys/sysctl.h> /* * UDP kernel structures and variables. */ struct udpiphdr { struct ipovly ui_i; /* overlaid ip structure */ struct udphdr ui_u; /* udp header */ }; #define ui_x1 ui_i.ih_x1 #define ui_pr ui_i.ih_pr #define ui_len ui_i.ih_len #define ui_src ui_i.ih_src #define ui_dst ui_i.ih_dst #define ui_sport ui_u.uh_sport #define ui_dport ui_u.uh_dport #define ui_ulen ui_u.uh_ulen #define ui_sum ui_u.uh_sum #define ui_next ui_i.ih_next #define ui_prev ui_i.ih_prev struct udpstat { /* input statistics: */ u_int32_t udps_ipackets; /* total input packets */ u_int32_t udps_hdrops; /* packet shorter than header */ u_int32_t udps_badsum; /* checksum error */ u_int32_t udps_badlen; /* data length larger than packet */ u_int32_t udps_noport; /* no socket on port */ u_int32_t udps_noportbcast; /* of above, arrived as broadcast */ u_int32_t udps_fullsock; /* not delivered, input socket full */ u_int32_t udpps_pcbcachemiss; /* input packets missing pcb cache */ u_int32_t udpps_pcbhashmiss; /* input packets not for hashed pcb */ /* output statistics: */ u_int32_t udps_opackets; /* total output packets */ u_int32_t udps_fastout; /* output packets on fast path */ u_int32_t udps_nosum; /* no checksum */ u_int32_t udps_noportmcast; /* of no socket on port, multicast */ u_int32_t udps_filtermcast; /* blocked by multicast filter */ /* checksum statistics: */ u_int32_t udps_rcv_swcsum; /* udp swcksum (inbound), packets */ u_int32_t udps_rcv_swcsum_bytes; /* udp swcksum (inbound), bytes */ u_int32_t udps_rcv6_swcsum; /* udp6 swcksum (inbound), packets */ u_int32_t udps_rcv6_swcsum_bytes; /* udp6 swcksum (inbound), bytes */ u_int32_t udps_snd_swcsum; /* udp swcksum (outbound), packets */ u_int32_t udps_snd_swcsum_bytes; /* udp swcksum (outbound), bytes */ u_int32_t udps_snd6_swcsum; /* udp6 swcksum (outbound), packets */ u_int32_t udps_snd6_swcsum_bytes; /* udp6 swcksum (outbound), bytes */ }; /* * Names for UDP sysctl objects */ #define UDPCTL_CHECKSUM 1 /* checksum UDP packets */ #define UDPCTL_STATS 2 /* statistics (read-only) */ #define UDPCTL_MAXDGRAM 3 /* max datagram size */ #define UDPCTL_RECVSPACE 4 /* default receive buffer space */ #define UDPCTL_PCBLIST 5 /* list of PCBs for UDP sockets */ #define UDPCTL_MAXID 6 #ifdef BSD_KERNEL_PRIVATE #include <kern/locks.h> #include <sys/bitstring.h> #define UDPCTL_NAMES { \ { 0, 0 }, \ { "checksum", CTLTYPE_INT }, \ { "stats", CTLTYPE_STRUCT }, \ { "maxdgram", CTLTYPE_INT }, \ { "recvspace", CTLTYPE_INT }, \ { "pcblist", CTLTYPE_STRUCT }, \ } #define udp6stat udpstat #define udp6s_opackets udps_opackets SYSCTL_DECL(_net_inet_udp); struct udpstat_local { u_int64_t port_unreach; u_int64_t faithprefix; /* deprecated */ u_int64_t port0; u_int64_t badlength; u_int64_t badchksum; u_int64_t badmcast; u_int64_t cleanup; u_int64_t badipsec; }; extern struct pr_usrreqs udp_usrreqs; extern struct inpcbhead udb; extern struct inpcbinfo udbinfo; extern u_int32_t udp_sendspace; extern u_int32_t udp_recvspace; extern struct udpstat udpstat; extern int udp_log_in_vain; __BEGIN_DECLS extern void udp_ctlinput(int, struct sockaddr *, void *, struct ifnet *); extern int udp_ctloutput(struct socket *, struct sockopt *); extern void udp_init(struct protosw *, struct domain *); extern void udp_input(struct mbuf *, int); extern int udp_connectx_common(struct socket *, int, struct sockaddr *, struct sockaddr *, struct proc *, uint32_t, sae_associd_t, sae_connid_t *, uint32_t, void *, uint32_t, struct uio*, user_ssize_t *); extern void udp_notify(struct inpcb *inp, int errno); extern int udp_shutdown(struct socket *so); extern int udp_lock(struct socket *, int, void *); extern int udp_unlock(struct socket *, int, void *); extern lck_mtx_t *udp_getlock(struct socket *, int); extern void udp_get_ports_used(u_int32_t, int, u_int32_t, bitstr_t *); extern uint32_t udp_count_opportunistic(unsigned int, u_int32_t); extern uint32_t udp_find_anypcb_byaddr(struct ifaddr *); extern void udp_fill_keepalive_offload_frames(struct ifnet *, struct ifnet_keepalive_offload_frame *, u_int32_t, size_t, u_int32_t *); __END_DECLS #endif /* BSD_KERNEL_PRIVATE */ #endif /* _NETINET_UDP_VAR_H_ */