in_var.h (44e33a075818146eb289c39c3ca2817f54517c9f) in_var.h (1b193af6101e6c1d10c6e2c5486bd4bbb7252fc2)
1/*-
2 * Copyright (c) 1985, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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79
80
81#ifdef _KERNEL
82extern u_char inetctlerrmap[];
83
84/*
85 * Hash table for IP addresses.
86 */
1/*-
2 * Copyright (c) 1985, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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79
80
81#ifdef _KERNEL
82extern u_char inetctlerrmap[];
83
84/*
85 * Hash table for IP addresses.
86 */
87extern LIST_HEAD(in_ifaddrhashhead, in_ifaddr) *in_ifaddrhashtbl;
88extern TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead;
87TAILQ_HEAD(in_ifaddrhead, in_ifaddr);
88LIST_HEAD(in_ifaddrhashhead, in_ifaddr);
89#ifdef VIMAGE_GLOBALS
90extern struct in_ifaddrhashhead *in_ifaddrhashtbl;
91extern struct in_ifaddrhead in_ifaddrhead;
89extern u_long in_ifaddrhmask; /* mask for hash table */
92extern u_long in_ifaddrhmask; /* mask for hash table */
93#endif
90
91#define INADDR_NHASH_LOG2 9
92#define INADDR_NHASH (1 << INADDR_NHASH_LOG2)
93#define INADDR_HASHVAL(x) fnv_32_buf((&(x)), sizeof(x), FNV1_32_INIT)
94#define INADDR_HASH(x) \
95 (&V_in_ifaddrhashtbl[INADDR_HASHVAL(x) & V_in_ifaddrhmask])
96
97/*

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222#ifdef _KERNEL
223
224#ifdef SYSCTL_DECL
225SYSCTL_DECL(_net_inet);
226SYSCTL_DECL(_net_inet_ip);
227SYSCTL_DECL(_net_inet_raw);
228#endif
229
94
95#define INADDR_NHASH_LOG2 9
96#define INADDR_NHASH (1 << INADDR_NHASH_LOG2)
97#define INADDR_HASHVAL(x) fnv_32_buf((&(x)), sizeof(x), FNV1_32_INIT)
98#define INADDR_HASH(x) \
99 (&V_in_ifaddrhashtbl[INADDR_HASHVAL(x) & V_in_ifaddrhmask])
100
101/*

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226#ifdef _KERNEL
227
228#ifdef SYSCTL_DECL
229SYSCTL_DECL(_net_inet);
230SYSCTL_DECL(_net_inet_ip);
231SYSCTL_DECL(_net_inet_raw);
232#endif
233
230extern LIST_HEAD(in_multihead, in_multi) in_multihead;
234LIST_HEAD(in_multihead, in_multi);
235#ifdef VIMAGE_GLOBALS
236extern struct in_multihead in_multihead;
237#endif
231
232/*
233 * Lock macros for IPv4 layer multicast address lists. IPv4 lock goes
234 * before link layer multicast locks in the lock order. In most cases,
235 * consumers of IN_*_MULTI() macros should acquire the locks before
236 * calling them; users of the in_{add,del}multi() functions should not.
237 */
238extern struct mtx in_multi_mtx;

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239/*
240 * Lock macros for IPv4 layer multicast address lists. IPv4 lock goes
241 * before link layer multicast locks in the lock order. In most cases,
242 * consumers of IN_*_MULTI() macros should acquire the locks before
243 * calling them; users of the in_{add,del}multi() functions should not.
244 */
245extern struct mtx in_multi_mtx;

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