159 lines
5.5 KiB
C
159 lines
5.5 KiB
C
/* $OpenBSD: udp_var.h,v 1.51 2024/02/03 22:50:09 mvs Exp $ */
|
|
/* $NetBSD: udp_var.h,v 1.12 1996/02/13 23:44:41 christos Exp $ */
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef _NETINET_UDP_VAR_H_
|
|
#define _NETINET_UDP_VAR_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
|
|
|
|
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_nosec; /* dropped for lack of ipsec */
|
|
u_long udps_fullsock; /* not delivered, input socket full */
|
|
u_long udps_pcbhashmiss; /* input packets missing pcb hash */
|
|
u_long udps_inswcsum; /* input software-csummed packets */
|
|
/* output statistics: */
|
|
u_long udps_opackets; /* total output packets */
|
|
u_long udps_outswcsum; /* output software-csummed packets */
|
|
};
|
|
|
|
/*
|
|
* Names for UDP sysctl objects
|
|
*/
|
|
#define UDPCTL_CHECKSUM 1 /* checksum UDP packets */
|
|
#define UDPCTL_BADDYNAMIC 2 /* return bad dynamic port bitmap */
|
|
#define UDPCTL_RECVSPACE 3 /* receive buffer space */
|
|
#define UDPCTL_SENDSPACE 4 /* send buffer space */
|
|
#define UDPCTL_STATS 5 /* UDP statistics */
|
|
#define UDPCTL_ROOTONLY 6 /* root only port bitmap */
|
|
#define UDPCTL_MAXID 7
|
|
|
|
#define UDPCTL_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ "checksum", CTLTYPE_INT }, \
|
|
{ "baddynamic", CTLTYPE_STRUCT }, \
|
|
{ "recvspace", CTLTYPE_INT }, \
|
|
{ "sendspace", CTLTYPE_INT }, \
|
|
{ "stats", CTLTYPE_STRUCT }, \
|
|
{ "rootonly", CTLTYPE_STRUCT }, \
|
|
}
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#include <sys/percpu.h>
|
|
|
|
enum udpstat_counters {
|
|
/* input statistics: */
|
|
udps_ipackets, /* total input packets */
|
|
udps_hdrops, /* packet shorter than header */
|
|
udps_badsum, /* checksum error */
|
|
udps_nosum, /* no checksum */
|
|
udps_badlen, /* data length larger than packet */
|
|
udps_noport, /* no socket on port */
|
|
udps_noportbcast, /* of above, arrived as broadcast */
|
|
udps_nosec, /* dropped for lack of ipsec */
|
|
udps_fullsock, /* not delivered, input socket full */
|
|
udps_pcbhashmiss, /* input packets missing pcb hash */
|
|
udps_inswcsum, /* input software-csummed packets */
|
|
/* output statistics: */
|
|
udps_opackets, /* total output packets */
|
|
udps_outswcsum, /* output software-csummed packets */
|
|
|
|
udps_ncounters
|
|
};
|
|
|
|
extern struct cpumem *udpcounters;
|
|
|
|
static inline void
|
|
udpstat_inc(enum udpstat_counters c)
|
|
{
|
|
counters_inc(udpcounters, c);
|
|
}
|
|
|
|
extern struct inpcbtable udbtable, udb6table;
|
|
extern struct udpstat udpstat;
|
|
|
|
extern const struct pr_usrreqs udp_usrreqs;
|
|
|
|
#ifdef INET6
|
|
extern const struct pr_usrreqs udp6_usrreqs;
|
|
#endif
|
|
|
|
#ifdef INET6
|
|
void udp6_ctlinput(int, struct sockaddr *, u_int, void *);
|
|
#endif /* INET6 */
|
|
void udp_ctlinput(int, struct sockaddr *, u_int, void *);
|
|
void udp_init(void);
|
|
int udp_input(struct mbuf **, int *, int, int);
|
|
#ifdef INET6
|
|
int udp6_output(struct inpcb *, struct mbuf *, struct mbuf *,
|
|
struct mbuf *);
|
|
#endif /* INET6 */
|
|
int udp_sysctl(int *, u_int, void *, size_t *, void *, size_t);
|
|
int udp_attach(struct socket *, int, int);
|
|
int udp_detach(struct socket *);
|
|
void udp_lock(struct socket *);
|
|
void udp_unlock(struct socket *);
|
|
int udp_locked(struct socket *);
|
|
int udp_bind(struct socket *, struct mbuf *, struct proc *);
|
|
int udp_connect(struct socket *, struct mbuf *);
|
|
int udp_disconnect(struct socket *);
|
|
int udp_shutdown(struct socket *);
|
|
int udp_send(struct socket *, struct mbuf *, struct mbuf *,
|
|
struct mbuf *);
|
|
#endif /* _KERNEL */
|
|
#endif /* _NETINET_UDP_VAR_H_ */
|