b3fc296326
and dom_sa_len members from struct domain. Pools of fixed-size objects are too rigid for sockaddr_dls, whose size can vary over a wide range. Return sockaddr_dl to its "historical" size. Now that I'm using malloc(9) instead of pool(9) to allocate sockaddr_dl, I can create a sockaddr_dl of any size in the kernel, so expanding sockaddr_dl is useless. Avoid using sizeof(struct sockaddr_dl) in the kernel. Introduce sockaddr_dl_alloc() for allocating & initializing an arbitrary sockaddr_dl on the heap. Add an argument, the sockaddr length, to sockaddr_alloc(), sockaddr_copy(), and sockaddr_dl_setaddr(). Constify: LLADDR() -> CLLADDR(). Where the kernel overwrites LLADDR(), use sockaddr_dl_setaddr(), instead. Used properly, sockaddr_dl_setaddr() will not overrun the end of the sockaddr.
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/* $NetBSD: at_var.h,v 1.7 2007/08/30 02:17:36 dyoung Exp $ */
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/*
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* Copyright (c) 1990,1991 Regents of The University of Michigan.
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* All Rights Reserved.
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation, and that the name of The University
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* of Michigan not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior
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* permission. This software is supplied as is without expressed or
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* implied warranties of any kind.
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*
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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*
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* Research Systems Unix Group
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* The University of Michigan
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* c/o Wesley Craig
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* 535 W. William Street
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* Ann Arbor, Michigan
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* +1-313-764-2278
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* netatalk@umich.edu
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*/
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#ifndef _NETATALK_AT_VAR_H_
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#define _NETATALK_AT_VAR_H_
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#include <sys/callout.h>
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/*
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* For phase2, we need to keep not only our address on an interface,
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* but also the legal networks on the interface.
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*/
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struct at_ifaddr {
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struct ifaddr aa_ifa;
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#define aa_ifp aa_ifa.ifa_ifp
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struct sockaddr_at aa_addr;
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struct sockaddr_at aa_broadaddr;
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#define aa_dstaddr aa_broadaddr;
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struct sockaddr_at aa_netmask;
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int aa_flags;
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u_short aa_firstnet, aa_lastnet;
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int aa_probcnt;
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TAILQ_ENTRY(at_ifaddr) aa_list; /* list of appletalk addresses */
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struct callout aa_probe_ch; /* for aarpprobe() */
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};
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struct at_aliasreq {
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char ifra_name[IFNAMSIZ];
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struct sockaddr_at ifra_addr;
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struct sockaddr_at ifra_broadaddr;
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#define ifra_dstaddr ifra_broadaddr
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struct sockaddr_at ifra_mask;
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};
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#define AA_SAT(aa) \
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(&(aa->aa_addr))
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#define satosat(sa) ((struct sockaddr_at *)(sa))
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#define satocsat(sa) ((const struct sockaddr_at *)(sa))
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#define AFA_ROUTE 0x0001
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#define AFA_PROBING 0x0002
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#define AFA_PHASE2 0x0004
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#ifdef _KERNEL
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int sockaddr_at_cmp(const struct sockaddr *, const struct sockaddr *);
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static inline void
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sockaddr_at_init1(struct sockaddr_at *sat, const struct at_addr *addr,
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uint8_t port)
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{
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sat->sat_port = port;
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sat->sat_addr = *addr;
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memset(&sat->sat_range, 0, sizeof(sat->sat_range));
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}
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static inline void
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sockaddr_at_init(struct sockaddr_at *sat, const struct at_addr *addr,
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uint8_t port)
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{
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sat->sat_family = AF_APPLETALK;
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sat->sat_len = sizeof(*sat);
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sockaddr_at_init1(sat, addr, port);
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}
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static inline struct sockaddr *
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sockaddr_at_alloc(const struct at_addr *addr, uint8_t port, int flags)
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{
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struct sockaddr *sa;
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sa = sockaddr_alloc(AF_APPLETALK, sizeof(struct sockaddr_at), flags);
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if (sa == NULL)
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return NULL;
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sockaddr_at_init1(satosat(sa), addr, port);
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return sa;
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}
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TAILQ_HEAD(at_ifaddrhead, at_ifaddr);
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extern struct at_ifaddrhead at_ifaddr;
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extern struct ifqueue atintrq1, atintrq2;
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#endif
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#endif /* !_NETATALK_AT_VAR_H_ */
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