/* * Copyright (c) 2003, 2004 Jeffrey M. Hsu. All rights reserved. * Copyright (c) 2003, 2004 The DragonFly Project. All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Jeffrey M. Hsu. * * 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. Neither the name of The DragonFly Project 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 HOLDERS 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. */ /* * 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. 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 * $FreeBSD: src/sys/netinet/udp_var.h,v 1.22.2.1 2001/02/18 07:12:25 luigi Exp $ * $DragonFly: src/sys/netinet/udp_var.h,v 1.19 2008/11/11 10:46:58 sephe Exp $ */ #ifndef _NETINET_UDP_VAR_H_ #define _NETINET_UDP_VAR_H_ #ifndef _NETINET_IP_VAR_H_ #include <netinet/ip_var.h> #endif #ifndef _NETINET_UDP_H_ #include <netinet/udp.h> #endif /* * 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 /* * UDP Statistics. * * NOTE: Make sure this struct's size is multiple cache line size. */ struct udpstat { /* input statistics: */ u_long udps_ipackets; /* total input packets */ u_long udps_hdrops; /* packet shorter than header */ u_long udps_badsum; /* checksum error */ u_long udps_nosum; /* no checksum */ u_long udps_badlen; /* data length larger than packet */ u_long udps_noport; /* no socket on port */ u_long udps_noportbcast; /* of above, arrived as broadcast */ u_long udps_fullsock; /* not delivered, input socket full */ u_long udpps_pcbcachemiss; /* input packets missing pcb cache */ u_long udpps_pcbhashmiss; /* input packets not for hashed pcb */ /* output statistics: */ u_long udps_opackets; /* total output packets */ u_long udps_fastout; /* output packets on fast path */ /* of no socket on port, arrived as multicast */ u_long udps_noportmcast; u_long udps_pad[3]; /* pad to cache line size (64B) */ }; #ifdef _KERNEL CTASSERT((sizeof(struct udpstat) & __VM_CACHELINE_MASK) == 0); #endif /* * 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 _KERNEL #define INP_WASBOUND_NOTANY INP_FLAG_PROTO1 /* bound to non-null laddr */ #ifdef SYSCTL_DECL SYSCTL_DECL(_net_inet_udp); #endif #define udp_stat udpstat_percpu[mycpuid] extern struct pr_usrreqs udp_usrreqs; extern struct inpcbinfo udbinfo[MAXCPU]; extern u_long udp_sendspace; extern u_long udp_recvspace; extern struct udpstat udpstat_percpu[MAXCPU]; extern int log_in_vain; int udp_addrcpu (in_addr_t faddr, in_port_t fport, in_addr_t laddr, in_port_t lport); int udp_addrhash (in_addr_t faddr, in_port_t fport, in_addr_t laddr, in_port_t lport); struct lwkt_port *udp_addrport (in_addr_t faddr, in_port_t fport, in_addr_t laddr, in_port_t lport); void udp_ctlinput(netmsg_t msg); void udp_ctloutput(netmsg_t msg); void udp_init (void); void udp_thread_init (void); int udp_input (struct mbuf **, int *, int); void udp_notify (struct inpcb *inp, int error); void udp_shutdown (union netmsg *); struct lwkt_port *udp_ctlport (int, struct sockaddr *, void *, int *); struct lwkt_port *udp_initport(void); inp_notify_t udp_get_inpnotify(int, const struct sockaddr *, struct ip **, int *); #endif /* _KERNEL */ #endif
